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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/qlogic/qlcnic | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic')
21 files changed, 32929 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/Makefile b/drivers/net/ethernet/qlogic/qlcnic/Makefile new file mode 100644 index 000000000..dbaeab344 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for Qlogic 1G/10G Ethernet Driver for CNA devices +# + +obj-$(CONFIG_QLCNIC) := qlcnic.o + +qlcnic-y := qlcnic_hw.o qlcnic_main.o qlcnic_init.o \ + qlcnic_ethtool.o qlcnic_ctx.o qlcnic_io.o \ + qlcnic_sysfs.o qlcnic_minidump.o qlcnic_83xx_hw.o \ + qlcnic_83xx_init.o qlcnic_83xx_vnic.o \ + qlcnic_sriov_common.o + +qlcnic-$(CONFIG_QLCNIC_SRIOV) += qlcnic_sriov_pf.o + +qlcnic-$(CONFIG_QLCNIC_DCB) += qlcnic_dcb.o diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h new file mode 100644 index 000000000..be7abee16 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -0,0 +1,2418 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef _QLCNIC_H_ +#define _QLCNIC_H_ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ip.h> +#include <linux/in.h> +#include <linux/tcp.h> +#include <linux/skbuff.h> +#include <linux/firmware.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/timer.h> +#include <linux/irq.h> +#include <linux/vmalloc.h> +#include <linux/io.h> +#include <asm/byteorder.h> +#include <linux/bitops.h> +#include <linux/if_vlan.h> + +#include "qlcnic_hdr.h" +#include "qlcnic_hw.h" +#include "qlcnic_83xx_hw.h" +#include "qlcnic_dcb.h" + +#define _QLCNIC_LINUX_MAJOR 5 +#define _QLCNIC_LINUX_MINOR 3 +#define _QLCNIC_LINUX_SUBVERSION 66 +#define QLCNIC_LINUX_VERSIONID "5.3.66" +#define QLCNIC_DRV_IDC_VER 0x01 +#define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ + (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) + +#define QLCNIC_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c)) +#define _major(v) (((v) >> 24) & 0xff) +#define _minor(v) (((v) >> 16) & 0xff) +#define _build(v) ((v) & 0xffff) + +/* version in image has weird encoding: + * 7:0 - major + * 15:8 - minor + * 31:16 - build (little endian) + */ +#define QLCNIC_DECODE_VERSION(v) \ + QLCNIC_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16)) + +#define QLCNIC_MIN_FW_VERSION QLCNIC_VERSION_CODE(4, 4, 2) +#define QLCNIC_NUM_FLASH_SECTORS (64) +#define QLCNIC_FLASH_SECTOR_SIZE (64 * 1024) +#define QLCNIC_FLASH_TOTAL_SIZE (QLCNIC_NUM_FLASH_SECTORS \ + * QLCNIC_FLASH_SECTOR_SIZE) + +#define RCV_DESC_RINGSIZE(rds_ring) \ + (sizeof(struct rcv_desc) * (rds_ring)->num_desc) +#define RCV_BUFF_RINGSIZE(rds_ring) \ + (sizeof(struct qlcnic_rx_buffer) * rds_ring->num_desc) +#define STATUS_DESC_RINGSIZE(sds_ring) \ + (sizeof(struct status_desc) * (sds_ring)->num_desc) +#define TX_BUFF_RINGSIZE(tx_ring) \ + (sizeof(struct qlcnic_cmd_buffer) * tx_ring->num_desc) +#define TX_DESC_RINGSIZE(tx_ring) \ + (sizeof(struct cmd_desc_type0) * tx_ring->num_desc) + +#define QLCNIC_P3P_A0 0x50 +#define QLCNIC_P3P_C0 0x58 + +#define QLCNIC_IS_REVISION_P3P(REVISION) (REVISION >= QLCNIC_P3P_A0) + +#define FIRST_PAGE_GROUP_START 0 +#define FIRST_PAGE_GROUP_END 0x100000 + +#define P3P_MAX_MTU (9600) +#define P3P_MIN_MTU (68) +#define QLCNIC_MAX_ETHERHDR 32 /* This contains some padding */ + +#define QLCNIC_P3P_RX_BUF_MAX_LEN (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN) +#define QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN (QLCNIC_MAX_ETHERHDR + P3P_MAX_MTU) +#define QLCNIC_CT_DEFAULT_RX_BUF_LEN 2048 +#define QLCNIC_LRO_BUFFER_EXTRA 2048 + +/* Tx defines */ +#define QLCNIC_MAX_FRAGS_PER_TX 14 +#define MAX_TSO_HEADER_DESC 2 +#define MGMT_CMD_DESC_RESV 4 +#define TX_STOP_THRESH ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \ + + MGMT_CMD_DESC_RESV) +#define QLCNIC_MAX_TX_TIMEOUTS 2 + +/* Driver will use 1 Tx ring in INT-x/MSI/SRIOV mode. */ +#define QLCNIC_SINGLE_RING 1 +#define QLCNIC_DEF_SDS_RINGS 4 +#define QLCNIC_DEF_TX_RINGS 4 +#define QLCNIC_MAX_VNIC_TX_RINGS 4 +#define QLCNIC_MAX_VNIC_SDS_RINGS 4 +#define QLCNIC_83XX_MINIMUM_VECTOR 3 +#define QLCNIC_82XX_MINIMUM_VECTOR 2 + +enum qlcnic_queue_type { + QLCNIC_TX_QUEUE = 1, + QLCNIC_RX_QUEUE, +}; + +/* Operational mode for driver */ +#define QLCNIC_VNIC_MODE 0xFF +#define QLCNIC_DEFAULT_MODE 0x0 + +/* Virtual NIC function count */ +#define QLC_DEFAULT_VNIC_COUNT 8 +#define QLC_84XX_VNIC_COUNT 16 + +/* + * Following are the states of the Phantom. Phantom will set them and + * Host will read to check if the fields are correct. + */ +#define PHAN_INITIALIZE_FAILED 0xffff +#define PHAN_INITIALIZE_COMPLETE 0xff01 + +/* Host writes the following to notify that it has done the init-handshake */ +#define PHAN_INITIALIZE_ACK 0xf00f +#define PHAN_PEG_RCV_INITIALIZED 0xff01 + +#define NUM_RCV_DESC_RINGS 3 + +#define RCV_RING_NORMAL 0 +#define RCV_RING_JUMBO 1 + +#define MIN_CMD_DESCRIPTORS 64 +#define MIN_RCV_DESCRIPTORS 64 +#define MIN_JUMBO_DESCRIPTORS 32 + +#define MAX_CMD_DESCRIPTORS 1024 +#define MAX_RCV_DESCRIPTORS_1G 4096 +#define MAX_RCV_DESCRIPTORS_10G 8192 +#define MAX_RCV_DESCRIPTORS_VF 2048 +#define MAX_JUMBO_RCV_DESCRIPTORS_1G 512 +#define MAX_JUMBO_RCV_DESCRIPTORS_10G 1024 + +#define DEFAULT_RCV_DESCRIPTORS_1G 2048 +#define DEFAULT_RCV_DESCRIPTORS_10G 4096 +#define DEFAULT_RCV_DESCRIPTORS_VF 1024 +#define MAX_RDS_RINGS 2 + +#define get_next_index(index, length) \ + (((index) + 1) & ((length) - 1)) + +/* + * Following data structures describe the descriptors that will be used. + * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when + * we are doing LSO (above the 1500 size packet) only. + */ +struct cmd_desc_type0 { + u8 tcp_hdr_offset; /* For LSO only */ + u8 ip_hdr_offset; /* For LSO only */ + __le16 flags_opcode; /* 15:13 unused, 12:7 opcode, 6:0 flags */ + __le32 nfrags__length; /* 31:8 total len, 7:0 frag count */ + + __le64 addr_buffer2; + + __le16 encap_descr; /* 15:10 offset of outer L3 header, + * 9:6 number of 32bit words in outer L3 header, + * 5 offload outer L4 checksum, + * 4 offload outer L3 checksum, + * 3 Inner L4 type, TCP=0, UDP=1, + * 2 Inner L3 type, IPv4=0, IPv6=1, + * 1 Outer L3 type,IPv4=0, IPv6=1, + * 0 type of encapsulation, GRE=0, VXLAN=1 + */ + __le16 mss; + u8 port_ctxid; /* 7:4 ctxid 3:0 port */ + u8 hdr_length; /* LSO only : MAC+IP+TCP Hdr size */ + u8 outer_hdr_length; /* Encapsulation only */ + u8 rsvd1; + + __le64 addr_buffer3; + __le64 addr_buffer1; + + __le16 buffer_length[4]; + + __le64 addr_buffer4; + + u8 eth_addr[ETH_ALEN]; + __le16 vlan_TCI; /* In case of encapsulation, + * this is for outer VLAN + */ + +} __attribute__ ((aligned(64))); + +/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */ +struct rcv_desc { + __le16 reference_handle; + __le16 reserved; + __le32 buffer_length; /* allocated buffer length (usually 2K) */ + __le64 addr_buffer; +} __packed; + +struct status_desc { + __le64 status_desc_data[2]; +} __attribute__ ((aligned(16))); + +/* UNIFIED ROMIMAGE */ +#define QLCNIC_UNI_FW_MIN_SIZE 0xc8000 +#define QLCNIC_UNI_DIR_SECT_PRODUCT_TBL 0x0 +#define QLCNIC_UNI_DIR_SECT_BOOTLD 0x6 +#define QLCNIC_UNI_DIR_SECT_FW 0x7 + +/*Offsets */ +#define QLCNIC_UNI_CHIP_REV_OFF 10 +#define QLCNIC_UNI_FLAGS_OFF 11 +#define QLCNIC_UNI_BIOS_VERSION_OFF 12 +#define QLCNIC_UNI_BOOTLD_IDX_OFF 27 +#define QLCNIC_UNI_FIRMWARE_IDX_OFF 29 + +struct uni_table_desc{ + __le32 findex; + __le32 num_entries; + __le32 entry_size; + __le32 reserved[5]; +}; + +struct uni_data_desc{ + __le32 findex; + __le32 size; + __le32 reserved[5]; +}; + +/* Flash Defines and Structures */ +#define QLCNIC_FLT_LOCATION 0x3F1000 +#define QLCNIC_FDT_LOCATION 0x3F0000 +#define QLCNIC_B0_FW_IMAGE_REGION 0x74 +#define QLCNIC_C0_FW_IMAGE_REGION 0x97 +#define QLCNIC_BOOTLD_REGION 0X72 +struct qlcnic_flt_header { + u16 version; + u16 len; + u16 checksum; + u16 reserved; +}; + +struct qlcnic_flt_entry { + u8 region; + u8 reserved0; + u8 attrib; + u8 reserved1; + u32 size; + u32 start_addr; + u32 end_addr; +}; + +/* Flash Descriptor Table */ +struct qlcnic_fdt { + u32 valid; + u16 ver; + u16 len; + u16 cksum; + u16 unused; + u8 model[16]; + u8 mfg_id; + u16 id; + u8 flag; + u8 erase_cmd; + u8 alt_erase_cmd; + u8 write_enable_cmd; + u8 write_enable_bits; + u8 write_statusreg_cmd; + u8 unprotected_sec_cmd; + u8 read_manuf_cmd; + u32 block_size; + u32 alt_block_size; + u32 flash_size; + u32 write_enable_data; + u8 readid_addr_len; + u8 write_disable_bits; + u8 read_dev_id_len; + u8 chip_erase_cmd; + u16 read_timeo; + u8 protected_sec_cmd; + u8 resvd[65]; +}; +/* Magic number to let user know flash is programmed */ +#define QLCNIC_BDINFO_MAGIC 0x12345678 + +#define QLCNIC_BRDTYPE_P3P_REF_QG 0x0021 +#define QLCNIC_BRDTYPE_P3P_HMEZ 0x0022 +#define QLCNIC_BRDTYPE_P3P_10G_CX4_LP 0x0023 +#define QLCNIC_BRDTYPE_P3P_4_GB 0x0024 +#define QLCNIC_BRDTYPE_P3P_IMEZ 0x0025 +#define QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS 0x0026 +#define QLCNIC_BRDTYPE_P3P_10000_BASE_T 0x0027 +#define QLCNIC_BRDTYPE_P3P_XG_LOM 0x0028 +#define QLCNIC_BRDTYPE_P3P_4_GB_MM 0x0029 +#define QLCNIC_BRDTYPE_P3P_10G_SFP_CT 0x002a +#define QLCNIC_BRDTYPE_P3P_10G_SFP_QT 0x002b +#define QLCNIC_BRDTYPE_P3P_10G_CX4 0x0031 +#define QLCNIC_BRDTYPE_P3P_10G_XFP 0x0032 +#define QLCNIC_BRDTYPE_P3P_10G_TP 0x0080 + +#define QLCNIC_MSIX_TABLE_OFFSET 0x44 + +/* Flash memory map */ +#define QLCNIC_BRDCFG_START 0x4000 /* board config */ +#define QLCNIC_BOOTLD_START 0x10000 /* bootld */ +#define QLCNIC_IMAGE_START 0x43000 /* compressed image */ +#define QLCNIC_USER_START 0x3E8000 /* Firmware info */ + +#define QLCNIC_FW_VERSION_OFFSET (QLCNIC_USER_START+0x408) +#define QLCNIC_FW_SIZE_OFFSET (QLCNIC_USER_START+0x40c) +#define QLCNIC_FW_SERIAL_NUM_OFFSET (QLCNIC_USER_START+0x81c) +#define QLCNIC_BIOS_VERSION_OFFSET (QLCNIC_USER_START+0x83c) + +#define QLCNIC_BRDTYPE_OFFSET (QLCNIC_BRDCFG_START+0x8) +#define QLCNIC_FW_MAGIC_OFFSET (QLCNIC_BRDCFG_START+0x128) + +#define QLCNIC_FW_MIN_SIZE (0x3fffff) +#define QLCNIC_UNIFIED_ROMIMAGE 0 +#define QLCNIC_FLASH_ROMIMAGE 1 +#define QLCNIC_UNKNOWN_ROMIMAGE 0xff + +#define QLCNIC_UNIFIED_ROMIMAGE_NAME "phanfw.bin" +#define QLCNIC_FLASH_ROMIMAGE_NAME "flash" + +extern char qlcnic_driver_name[]; + +extern int qlcnic_use_msi; +extern int qlcnic_use_msi_x; +extern int qlcnic_auto_fw_reset; +extern int qlcnic_load_fw_file; + +/* Number of status descriptors to handle per interrupt */ +#define MAX_STATUS_HANDLE (64) + +/* + * qlcnic_skb_frag{} is to contain mapping info for each SG list. This + * has to be freed when DMA is complete. This is part of qlcnic_tx_buffer{}. + */ +struct qlcnic_skb_frag { + u64 dma; + u64 length; +}; + +/* Following defines are for the state of the buffers */ +#define QLCNIC_BUFFER_FREE 0 +#define QLCNIC_BUFFER_BUSY 1 + +/* + * There will be one qlcnic_buffer per skb packet. These will be + * used to save the dma info for pci_unmap_page() + */ +struct qlcnic_cmd_buffer { + struct sk_buff *skb; + struct qlcnic_skb_frag frag_array[MAX_SKB_FRAGS + 1]; + u32 frag_count; +}; + +/* In rx_buffer, we do not need multiple fragments as is a single buffer */ +struct qlcnic_rx_buffer { + u16 ref_handle; + struct sk_buff *skb; + struct list_head list; + u64 dma; +}; + +/* Board types */ +#define QLCNIC_GBE 0x01 +#define QLCNIC_XGBE 0x02 + +/* + * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is + * adjusted based on configured MTU. + */ +#define QLCNIC_INTR_COAL_TYPE_RX 1 +#define QLCNIC_INTR_COAL_TYPE_TX 2 +#define QLCNIC_INTR_COAL_TYPE_RX_TX 3 + +#define QLCNIC_DEF_INTR_COALESCE_RX_TIME_US 3 +#define QLCNIC_DEF_INTR_COALESCE_RX_PACKETS 256 + +#define QLCNIC_DEF_INTR_COALESCE_TX_TIME_US 64 +#define QLCNIC_DEF_INTR_COALESCE_TX_PACKETS 64 + +#define QLCNIC_INTR_DEFAULT 0x04 +#define QLCNIC_CONFIG_INTR_COALESCE 3 +#define QLCNIC_DEV_INFO_SIZE 2 + +struct qlcnic_nic_intr_coalesce { + u8 type; + u8 sts_ring_mask; + u16 rx_packets; + u16 rx_time_us; + u16 tx_packets; + u16 tx_time_us; + u16 flag; + u32 timer_out; +}; + +struct qlcnic_83xx_dump_template_hdr { + u32 type; + u32 offset; + u32 size; + u32 cap_mask; + u32 num_entries; + u32 version; + u32 timestamp; + u32 checksum; + u32 drv_cap_mask; + u32 sys_info[3]; + u32 saved_state[16]; + u32 cap_sizes[8]; + u32 ocm_wnd_reg[16]; + u32 rsvd[]; +}; + +struct qlcnic_82xx_dump_template_hdr { + u32 type; + u32 offset; + u32 size; + u32 cap_mask; + u32 num_entries; + u32 version; + u32 timestamp; + u32 checksum; + u32 drv_cap_mask; + u32 sys_info[3]; + u32 saved_state[16]; + u32 cap_sizes[8]; + u32 rsvd[7]; + u32 capabilities; + u32 rsvd1[]; +}; + +#define QLC_PEX_DMA_READ_SIZE (PAGE_SIZE * 16) + +struct qlcnic_fw_dump { + u8 clr; /* flag to indicate if dump is cleared */ + bool enable; /* enable/disable dump */ + u32 size; /* total size of the dump */ + u32 cap_mask; /* Current capture mask */ + void *data; /* dump data area */ + void *tmpl_hdr; + dma_addr_t phys_addr; + void *dma_buffer; + bool use_pex_dma; + /* Read only elements which are common between 82xx and 83xx + * template header. Update these values immediately after we read + * template header from Firmware + */ + u32 tmpl_hdr_size; + u32 version; + u32 num_entries; + u32 offset; +}; + +/* + * One hardware_context{} per adapter + * contains interrupt info as well shared hardware info. + */ +struct qlcnic_hardware_context { + void __iomem *pci_base0; + void __iomem *ocm_win_crb; + + unsigned long pci_len0; + + rwlock_t crb_lock; + struct mutex mem_lock; + + u8 revision_id; + u8 pci_func; + u8 linkup; + u8 loopback_state; + u8 beacon_state; + u8 has_link_events; + u8 fw_type; + u8 physical_port; + u8 reset_context; + u8 msix_supported; + u8 max_mac_filters; + u8 mc_enabled; + u8 max_mc_count; + u8 diag_test; + u8 num_msix; + u8 nic_mode; + int diag_cnt; + + u16 max_uc_count; + u16 port_type; + u16 board_type; + u16 supported_type; + + u32 link_speed; + u16 link_duplex; + u16 link_autoneg; + u16 module_type; + + u16 op_mode; + u16 switch_mode; + u16 max_tx_ques; + u16 max_rx_ques; + u16 max_mtu; + u32 msg_enable; + u16 total_nic_func; + u16 max_pci_func; + u32 max_vnic_func; + u32 total_pci_func; + + u32 capabilities; + u32 extra_capability[3]; + u32 temp; + u32 int_vec_bit; + u32 fw_hal_version; + u32 port_config; + struct qlcnic_hardware_ops *hw_ops; + struct qlcnic_nic_intr_coalesce coal; + struct qlcnic_fw_dump fw_dump; + struct qlcnic_fdt fdt; + struct qlc_83xx_reset reset; + struct qlc_83xx_idc idc; + struct qlc_83xx_fw_info *fw_info; + struct qlcnic_intrpt_config *intr_tbl; + struct qlcnic_sriov *sriov; + u32 *reg_tbl; + u32 *ext_reg_tbl; + u32 mbox_aen[QLC_83XX_MBX_AEN_CNT]; + u32 mbox_reg[4]; + struct qlcnic_mailbox *mailbox; + u8 extend_lb_time; + u8 phys_port_id[ETH_ALEN]; + u8 lb_mode; + struct device *hwmon_dev; + u32 post_mode; + bool run_post; +}; + +struct qlcnic_adapter_stats { + u64 xmitcalled; + u64 xmitfinished; + u64 rxdropped; + u64 txdropped; + u64 csummed; + u64 rx_pkts; + u64 lro_pkts; + u64 rxbytes; + u64 txbytes; + u64 lrobytes; + u64 lso_frames; + u64 encap_lso_frames; + u64 encap_tx_csummed; + u64 encap_rx_csummed; + u64 xmit_on; + u64 xmit_off; + u64 skb_alloc_failure; + u64 null_rxbuf; + u64 rx_dma_map_error; + u64 tx_dma_map_error; + u64 spurious_intr; + u64 mac_filter_limit_overrun; + u64 mbx_spurious_intr; +}; + +/* + * Rcv Descriptor Context. One such per Rcv Descriptor. There may + * be one Rcv Descriptor for normal packets, one for jumbo and may be others. + */ +struct qlcnic_host_rds_ring { + void __iomem *crb_rcv_producer; + struct rcv_desc *desc_head; + struct qlcnic_rx_buffer *rx_buf_arr; + u32 num_desc; + u32 producer; + u32 dma_size; + u32 skb_size; + u32 flags; + struct list_head free_list; + spinlock_t lock; + dma_addr_t phys_addr; +} ____cacheline_internodealigned_in_smp; + +struct qlcnic_host_sds_ring { + u32 consumer; + u32 num_desc; + void __iomem *crb_sts_consumer; + + struct qlcnic_host_tx_ring *tx_ring; + struct status_desc *desc_head; + struct qlcnic_adapter *adapter; + struct napi_struct napi; + struct list_head free_list[NUM_RCV_DESC_RINGS]; + + void __iomem *crb_intr_mask; + int irq; + + dma_addr_t phys_addr; + char name[IFNAMSIZ + 12]; +} ____cacheline_internodealigned_in_smp; + +struct qlcnic_tx_queue_stats { + u64 xmit_on; + u64 xmit_off; + u64 xmit_called; + u64 xmit_finished; + u64 tx_bytes; +}; + +struct qlcnic_host_tx_ring { + int irq; + void __iomem *crb_intr_mask; + char name[IFNAMSIZ + 12]; + u16 ctx_id; + + u32 state; + u32 producer; + u32 sw_consumer; + u32 num_desc; + + struct qlcnic_tx_queue_stats tx_stats; + + void __iomem *crb_cmd_producer; + struct cmd_desc_type0 *desc_head; + struct qlcnic_adapter *adapter; + struct napi_struct napi; + struct qlcnic_cmd_buffer *cmd_buf_arr; + __le32 *hw_consumer; + + dma_addr_t phys_addr; + dma_addr_t hw_cons_phys_addr; + struct netdev_queue *txq; + /* Lock to protect Tx descriptors cleanup */ + spinlock_t tx_clean_lock; +} ____cacheline_internodealigned_in_smp; + +/* + * Receive context. There is one such structure per instance of the + * receive processing. Any state information that is relevant to + * the receive, and is must be in this structure. The global data may be + * present elsewhere. + */ +struct qlcnic_recv_context { + struct qlcnic_host_rds_ring *rds_rings; + struct qlcnic_host_sds_ring *sds_rings; + u32 state; + u16 context_id; + u16 virt_port; +}; + +/* HW context creation */ + +#define QLCNIC_OS_CRB_RETRY_COUNT 4000 + +#define QLCNIC_CDRP_CMD_BIT 0x80000000 + +/* + * All responses must have the QLCNIC_CDRP_CMD_BIT cleared + * in the crb QLCNIC_CDRP_CRB_OFFSET. + */ +#define QLCNIC_CDRP_FORM_RSP(rsp) (rsp) +#define QLCNIC_CDRP_IS_RSP(rsp) (((rsp) & QLCNIC_CDRP_CMD_BIT) == 0) + +#define QLCNIC_CDRP_RSP_OK 0x00000001 +#define QLCNIC_CDRP_RSP_FAIL 0x00000002 +#define QLCNIC_CDRP_RSP_TIMEOUT 0x00000003 + +/* + * All commands must have the QLCNIC_CDRP_CMD_BIT set in + * the crb QLCNIC_CDRP_CRB_OFFSET. + */ +#define QLCNIC_CDRP_FORM_CMD(cmd) (QLCNIC_CDRP_CMD_BIT | (cmd)) + +#define QLCNIC_RCODE_SUCCESS 0 +#define QLCNIC_RCODE_INVALID_ARGS 6 +#define QLCNIC_RCODE_NOT_SUPPORTED 9 +#define QLCNIC_RCODE_NOT_PERMITTED 10 +#define QLCNIC_RCODE_NOT_IMPL 15 +#define QLCNIC_RCODE_INVALID 16 +#define QLCNIC_RCODE_TIMEOUT 17 +#define QLCNIC_DESTROY_CTX_RESET 0 + +/* + * Capabilities Announced + */ +#define QLCNIC_CAP0_LEGACY_CONTEXT (1) +#define QLCNIC_CAP0_LEGACY_MN (1 << 2) +#define QLCNIC_CAP0_LSO (1 << 6) +#define QLCNIC_CAP0_JUMBO_CONTIGUOUS (1 << 7) +#define QLCNIC_CAP0_LRO_CONTIGUOUS (1 << 8) +#define QLCNIC_CAP0_VALIDOFF (1 << 11) +#define QLCNIC_CAP0_LRO_MSS (1 << 21) +#define QLCNIC_CAP0_TX_MULTI (1 << 22) + +/* + * Context state + */ +#define QLCNIC_HOST_CTX_STATE_FREED 0 +#define QLCNIC_HOST_CTX_STATE_ACTIVE 2 + +/* + * Rx context + */ + +struct qlcnic_hostrq_sds_ring { + __le64 host_phys_addr; /* Ring base addr */ + __le32 ring_size; /* Ring entries */ + __le16 msi_index; + __le16 rsvd; /* Padding */ +} __packed; + +struct qlcnic_hostrq_rds_ring { + __le64 host_phys_addr; /* Ring base addr */ + __le64 buff_size; /* Packet buffer size */ + __le32 ring_size; /* Ring entries */ + __le32 ring_kind; /* Class of ring */ +} __packed; + +struct qlcnic_hostrq_rx_ctx { + __le64 host_rsp_dma_addr; /* Response dma'd here */ + __le32 capabilities[4]; /* Flag bit vector */ + __le32 host_int_crb_mode; /* Interrupt crb usage */ + __le32 host_rds_crb_mode; /* RDS crb usage */ + /* These ring offsets are relative to data[0] below */ + __le32 rds_ring_offset; /* Offset to RDS config */ + __le32 sds_ring_offset; /* Offset to SDS config */ + __le16 num_rds_rings; /* Count of RDS rings */ + __le16 num_sds_rings; /* Count of SDS rings */ + __le16 valid_field_offset; + u8 txrx_sds_binding; + u8 msix_handler; + u8 reserved[128]; /* reserve space for future expansion*/ + /* MUST BE 64-bit aligned. + The following is packed: + - N hostrq_rds_rings + - N hostrq_sds_rings */ + char data[]; +} __packed; + +struct qlcnic_cardrsp_rds_ring{ + __le32 host_producer_crb; /* Crb to use */ + __le32 rsvd1; /* Padding */ +} __packed; + +struct qlcnic_cardrsp_sds_ring { + __le32 host_consumer_crb; /* Crb to use */ + __le32 interrupt_crb; /* Crb to use */ +} __packed; + +struct qlcnic_cardrsp_rx_ctx { + /* These ring offsets are relative to data[0] below */ + __le32 rds_ring_offset; /* Offset to RDS config */ + __le32 sds_ring_offset; /* Offset to SDS config */ + __le32 host_ctx_state; /* Starting State */ + __le32 num_fn_per_port; /* How many PCI fn share the port */ + __le16 num_rds_rings; /* Count of RDS rings */ + __le16 num_sds_rings; /* Count of SDS rings */ + __le16 context_id; /* Handle for context */ + u8 phys_port; /* Physical id of port */ + u8 virt_port; /* Virtual/Logical id of port */ + u8 reserved[128]; /* save space for future expansion */ + /* MUST BE 64-bit aligned. + The following is packed: + - N cardrsp_rds_rings + - N cardrs_sds_rings */ + char data[]; +} __packed; + +#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \ + (sizeof(HOSTRQ_RX) + \ + (rds_rings)*(sizeof(struct qlcnic_hostrq_rds_ring)) + \ + (sds_rings)*(sizeof(struct qlcnic_hostrq_sds_ring))) + +#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) \ + (sizeof(CARDRSP_RX) + \ + (rds_rings)*(sizeof(struct qlcnic_cardrsp_rds_ring)) + \ + (sds_rings)*(sizeof(struct qlcnic_cardrsp_sds_ring))) + +/* + * Tx context + */ + +struct qlcnic_hostrq_cds_ring { + __le64 host_phys_addr; /* Ring base addr */ + __le32 ring_size; /* Ring entries */ + __le32 rsvd; /* Padding */ +} __packed; + +struct qlcnic_hostrq_tx_ctx { + __le64 host_rsp_dma_addr; /* Response dma'd here */ + __le64 cmd_cons_dma_addr; /* */ + __le64 dummy_dma_addr; /* */ + __le32 capabilities[4]; /* Flag bit vector */ + __le32 host_int_crb_mode; /* Interrupt crb usage */ + __le32 rsvd1; /* Padding */ + __le16 rsvd2; /* Padding */ + __le16 interrupt_ctl; + __le16 msi_index; + __le16 rsvd3; /* Padding */ + struct qlcnic_hostrq_cds_ring cds_ring; /* Desc of cds ring */ + u8 reserved[128]; /* future expansion */ +} __packed; + +struct qlcnic_cardrsp_cds_ring { + __le32 host_producer_crb; /* Crb to use */ + __le32 interrupt_crb; /* Crb to use */ +} __packed; + +struct qlcnic_cardrsp_tx_ctx { + __le32 host_ctx_state; /* Starting state */ + __le16 context_id; /* Handle for context */ + u8 phys_port; /* Physical id of port */ + u8 virt_port; /* Virtual/Logical id of port */ + struct qlcnic_cardrsp_cds_ring cds_ring; /* Card cds settings */ + u8 reserved[128]; /* future expansion */ +} __packed; + +#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX) (sizeof(HOSTRQ_TX)) +#define SIZEOF_CARDRSP_TX(CARDRSP_TX) (sizeof(CARDRSP_TX)) + +/* CRB */ + +#define QLCNIC_HOST_RDS_CRB_MODE_UNIQUE 0 +#define QLCNIC_HOST_RDS_CRB_MODE_SHARED 1 +#define QLCNIC_HOST_RDS_CRB_MODE_CUSTOM 2 +#define QLCNIC_HOST_RDS_CRB_MODE_MAX 3 + +#define QLCNIC_HOST_INT_CRB_MODE_UNIQUE 0 +#define QLCNIC_HOST_INT_CRB_MODE_SHARED 1 +#define QLCNIC_HOST_INT_CRB_MODE_NORX 2 +#define QLCNIC_HOST_INT_CRB_MODE_NOTX 3 +#define QLCNIC_HOST_INT_CRB_MODE_NORXTX 4 + + +/* MAC */ + +#define MC_COUNT_P3P 38 + +#define QLCNIC_MAC_NOOP 0 +#define QLCNIC_MAC_ADD 1 +#define QLCNIC_MAC_DEL 2 +#define QLCNIC_MAC_VLAN_ADD 3 +#define QLCNIC_MAC_VLAN_DEL 4 + +enum qlcnic_mac_type { + QLCNIC_UNICAST_MAC, + QLCNIC_MULTICAST_MAC, + QLCNIC_BROADCAST_MAC, +}; + +struct qlcnic_mac_vlan_list { + struct list_head list; + uint8_t mac_addr[ETH_ALEN+2]; + u16 vlan_id; + enum qlcnic_mac_type mac_type; +}; + +/* MAC Learn */ +#define NO_MAC_LEARN 0 +#define DRV_MAC_LEARN 1 +#define FDB_MAC_LEARN 2 + +#define QLCNIC_HOST_REQUEST 0x13 +#define QLCNIC_REQUEST 0x14 + +#define QLCNIC_MAC_EVENT 0x1 + +#define QLCNIC_IP_UP 2 +#define QLCNIC_IP_DOWN 3 + +#define QLCNIC_ILB_MODE 0x1 +#define QLCNIC_ELB_MODE 0x2 +#define QLCNIC_LB_MODE_MASK 0x3 + +#define QLCNIC_LINKEVENT 0x1 +#define QLCNIC_LB_RESPONSE 0x2 +#define QLCNIC_IS_LB_CONFIGURED(VAL) \ + (VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE)) + +/* + * Driver --> Firmware + */ +#define QLCNIC_H2C_OPCODE_CONFIG_RSS 0x1 +#define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE 0x3 +#define QLCNIC_H2C_OPCODE_CONFIG_LED 0x4 +#define QLCNIC_H2C_OPCODE_LRO_REQUEST 0x7 +#define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE 0xc +#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 0x12 + +#define QLCNIC_H2C_OPCODE_GET_LINKEVENT 0x15 +#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING 0x17 +#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 0x18 +#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK 0x13 + +/* + * Firmware --> Driver + */ + +#define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK 0x8f +#define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE 0x8D +#define QLCNIC_C2H_OPCODE_GET_DCB_AEN 0x90 + +#define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */ +#define VPORT_MISS_MODE_ACCEPT_ALL 1 /* accept all packets */ +#define VPORT_MISS_MODE_ACCEPT_MULTI 2 /* accept unmatched multicast */ + +#define QLCNIC_LRO_REQUEST_CLEANUP 4 + +/* Capabilites received */ +#define QLCNIC_FW_CAPABILITY_TSO BIT_1 +#define QLCNIC_FW_CAPABILITY_BDG BIT_8 +#define QLCNIC_FW_CAPABILITY_FVLANTX BIT_9 +#define QLCNIC_FW_CAPABILITY_HW_LRO BIT_10 +#define QLCNIC_FW_CAPABILITY_2_MULTI_TX BIT_4 +#define QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK BIT_27 +#define QLCNIC_FW_CAPABILITY_MORE_CAPS BIT_31 + +#define QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG BIT_2 +#define QLCNIC_FW_CAP2_HW_LRO_IPV6 BIT_3 +#define QLCNIC_FW_CAPABILITY_SET_DRV_VER BIT_5 +#define QLCNIC_FW_CAPABILITY_2_BEACON BIT_7 +#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG BIT_9 +#define QLCNIC_FW_CAPABILITY_2_EXT_ISCSI_DUMP BIT_13 + +#define QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD BIT_0 +#define QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD BIT_1 +#define QLCNIC_83XX_FW_CAPAB_ENCAP_CKO_OFFLOAD BIT_4 + +/* module types */ +#define LINKEVENT_MODULE_NOT_PRESENT 1 +#define LINKEVENT_MODULE_OPTICAL_UNKNOWN 2 +#define LINKEVENT_MODULE_OPTICAL_SRLR 3 +#define LINKEVENT_MODULE_OPTICAL_LRM 4 +#define LINKEVENT_MODULE_OPTICAL_SFP_1G 5 +#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE 6 +#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN 7 +#define LINKEVENT_MODULE_TWINAX 8 + +#define LINKSPEED_10GBPS 10000 +#define LINKSPEED_1GBPS 1000 +#define LINKSPEED_100MBPS 100 +#define LINKSPEED_10MBPS 10 + +#define LINKSPEED_ENCODED_10MBPS 0 +#define LINKSPEED_ENCODED_100MBPS 1 +#define LINKSPEED_ENCODED_1GBPS 2 + +#define LINKEVENT_AUTONEG_DISABLED 0 +#define LINKEVENT_AUTONEG_ENABLED 1 + +#define LINKEVENT_HALF_DUPLEX 0 +#define LINKEVENT_FULL_DUPLEX 1 + +#define LINKEVENT_LINKSPEED_MBPS 0 +#define LINKEVENT_LINKSPEED_ENCODED 1 + +/* firmware response header: + * 63:58 - message type + * 57:56 - owner + * 55:53 - desc count + * 52:48 - reserved + * 47:40 - completion id + * 39:32 - opcode + * 31:16 - error code + * 15:00 - reserved + */ +#define qlcnic_get_nic_msg_opcode(msg_hdr) \ + ((msg_hdr >> 32) & 0xFF) + +struct qlcnic_fw_msg { + union { + struct { + u64 hdr; + u64 body[7]; + }; + u64 words[8]; + }; +}; + +struct qlcnic_nic_req { + __le64 qhdr; + __le64 req_hdr; + __le64 words[6]; +} __packed; + +struct qlcnic_mac_req { + u8 op; + u8 tag; + u8 mac_addr[6]; +}; + +struct qlcnic_vlan_req { + __le16 vlan_id; + __le16 rsvd[3]; +} __packed; + +struct qlcnic_ipaddr { + __be32 ipv4; + __be32 ipv6[4]; +}; + +#define QLCNIC_MSI_ENABLED 0x02 +#define QLCNIC_MSIX_ENABLED 0x04 +#define QLCNIC_LRO_ENABLED 0x01 +#define QLCNIC_LRO_DISABLED 0x00 +#define QLCNIC_BRIDGE_ENABLED 0X10 +#define QLCNIC_DIAG_ENABLED 0x20 +#define QLCNIC_ESWITCH_ENABLED 0x40 +#define QLCNIC_ADAPTER_INITIALIZED 0x80 +#define QLCNIC_TAGGING_ENABLED 0x100 +#define QLCNIC_MACSPOOF 0x200 +#define QLCNIC_MAC_OVERRIDE_DISABLED 0x400 +#define QLCNIC_PROMISC_DISABLED 0x800 +#define QLCNIC_NEED_FLR 0x1000 +#define QLCNIC_FW_RESET_OWNER 0x2000 +#define QLCNIC_FW_HANG 0x4000 +#define QLCNIC_FW_LRO_MSS_CAP 0x8000 +#define QLCNIC_TX_INTR_SHARED 0x10000 +#define QLCNIC_APP_CHANGED_FLAGS 0x20000 +#define QLCNIC_HAS_PHYS_PORT_ID 0x40000 +#define QLCNIC_TSS_RSS 0x80000 + +#define QLCNIC_VLAN_FILTERING 0x800000 + +#define QLCNIC_IS_MSI_FAMILY(adapter) \ + ((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED)) +#define QLCNIC_IS_TSO_CAPABLE(adapter) \ + ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) + +#define QLCNIC_BEACON_EANBLE 0xC +#define QLCNIC_BEACON_DISABLE 0xD + +#define QLCNIC_BEACON_ON 2 +#define QLCNIC_BEACON_OFF 0 + +#define QLCNIC_MSIX_TBL_SPACE 8192 +#define QLCNIC_PCI_REG_MSIX_TBL 0x44 +#define QLCNIC_MSIX_TBL_PGSIZE 4096 + +#define QLCNIC_ADAPTER_UP_MAGIC 777 + +#define __QLCNIC_FW_ATTACHED 0 +#define __QLCNIC_DEV_UP 1 +#define __QLCNIC_RESETTING 2 +#define __QLCNIC_START_FW 4 +#define __QLCNIC_AER 5 +#define __QLCNIC_DIAG_RES_ALLOC 6 +#define __QLCNIC_LED_ENABLE 7 +#define __QLCNIC_ELB_INPROGRESS 8 +#define __QLCNIC_MULTI_TX_UNIQUE 9 +#define __QLCNIC_SRIOV_ENABLE 10 +#define __QLCNIC_SRIOV_CAPABLE 11 +#define __QLCNIC_MBX_POLL_ENABLE 12 +#define __QLCNIC_DIAG_MODE 13 +#define __QLCNIC_MAINTENANCE_MODE 16 + +#define QLCNIC_INTERRUPT_TEST 1 +#define QLCNIC_LOOPBACK_TEST 2 +#define QLCNIC_LED_TEST 3 + +#define QLCNIC_FILTER_AGE 80 +#define QLCNIC_READD_AGE 20 +#define QLCNIC_LB_MAX_FILTERS 64 +#define QLCNIC_LB_BUCKET_SIZE 32 +#define QLCNIC_ILB_MAX_RCV_LOOP 10 + +struct qlcnic_filter { + struct hlist_node fnode; + u8 faddr[ETH_ALEN]; + u16 vlan_id; + unsigned long ftime; +}; + +struct qlcnic_filter_hash { + struct hlist_head *fhead; + u8 fnum; + u16 fmax; + u16 fbucket_size; +}; + +/* Mailbox specific data structures */ +struct qlcnic_mailbox { + struct workqueue_struct *work_q; + struct qlcnic_adapter *adapter; + const struct qlcnic_mbx_ops *ops; + struct work_struct work; + struct completion completion; + struct list_head cmd_q; + unsigned long status; + spinlock_t queue_lock; /* Mailbox queue lock */ + spinlock_t aen_lock; /* Mailbox response/AEN lock */ + u32 rsp_status; + u32 num_cmds; +}; + +struct qlcnic_adapter { + struct qlcnic_hardware_context *ahw; + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_tx_ring *tx_ring; + struct net_device *netdev; + struct pci_dev *pdev; + + unsigned long state; + u32 flags; + + u16 num_txd; + u16 num_rxd; + u16 num_jumbo_rxd; + u16 max_rxd; + u16 max_jumbo_rxd; + + u8 max_rds_rings; + + u8 max_sds_rings; /* max sds rings supported by adapter */ + u8 max_tx_rings; /* max tx rings supported by adapter */ + + u8 drv_tx_rings; /* max tx rings supported by driver */ + u8 drv_sds_rings; /* max sds rings supported by driver */ + + u8 drv_tss_rings; /* tss ring input */ + u8 drv_rss_rings; /* rss ring input */ + + u8 rx_csum; + u8 portnum; + + u8 fw_wait_cnt; + u8 fw_fail_cnt; + u8 tx_timeo_cnt; + u8 need_fw_reset; + u8 reset_ctx_cnt; + + u16 is_up; + u16 rx_pvid; + u16 tx_pvid; + + u32 irq; + u32 heartbeat; + + u8 dev_state; + u8 reset_ack_timeo; + u8 dev_init_timeo; + + u8 mac_addr[ETH_ALEN]; + + u64 dev_rst_time; + bool drv_mac_learn; + bool fdb_mac_learn; + bool rx_mac_learn; + unsigned long vlans[BITS_TO_LONGS(VLAN_N_VID)]; + u8 flash_mfg_id; + struct qlcnic_npar_info *npars; + struct qlcnic_eswitch *eswitch; + struct qlcnic_nic_template *nic_ops; + + struct qlcnic_adapter_stats stats; + struct list_head mac_list; + + void __iomem *tgt_mask_reg; + void __iomem *tgt_status_reg; + void __iomem *crb_int_state_reg; + void __iomem *isr_int_vec; + + struct msix_entry *msix_entries; + struct workqueue_struct *qlcnic_wq; + struct delayed_work fw_work; + struct delayed_work idc_aen_work; + struct delayed_work mbx_poll_work; + struct qlcnic_dcb *dcb; + + struct qlcnic_filter_hash fhash; + struct qlcnic_filter_hash rx_fhash; + struct list_head vf_mc_list; + + spinlock_t mac_learn_lock; + /* spinlock for catching rcv filters for eswitch traffic */ + spinlock_t rx_mac_learn_lock; + u32 file_prd_off; /*File fw product offset*/ + u32 fw_version; + u32 offload_flags; + const struct firmware *fw; +}; + +struct qlcnic_info_le { + __le16 pci_func; + __le16 op_mode; /* 1 = Priv, 2 = NP, 3 = NP passthru */ + __le16 phys_port; + __le16 switch_mode; /* 0 = disabled, 1 = int, 2 = ext */ + + __le32 capabilities; + u8 max_mac_filters; + u8 reserved1; + __le16 max_mtu; + + __le16 max_tx_ques; + __le16 max_rx_ques; + __le16 min_tx_bw; + __le16 max_tx_bw; + __le32 op_type; + __le16 max_bw_reg_offset; + __le16 max_linkspeed_reg_offset; + __le32 capability1; + __le32 capability2; + __le32 capability3; + __le16 max_tx_mac_filters; + __le16 max_rx_mcast_mac_filters; + __le16 max_rx_ucast_mac_filters; + __le16 max_rx_ip_addr; + __le16 max_rx_lro_flow; + __le16 max_rx_status_rings; + __le16 max_rx_buf_rings; + __le16 max_tx_vlan_keys; + u8 total_pf; + u8 total_rss_engines; + __le16 max_vports; + __le16 linkstate_reg_offset; + __le16 bit_offsets; + __le16 max_local_ipv6_addrs; + __le16 max_remote_ipv6_addrs; + u8 reserved2[56]; +} __packed; + +struct qlcnic_info { + u16 pci_func; + u16 op_mode; + u16 phys_port; + u16 switch_mode; + u32 capabilities; + u8 max_mac_filters; + u16 max_mtu; + u16 max_tx_ques; + u16 max_rx_ques; + u16 min_tx_bw; + u16 max_tx_bw; + u32 op_type; + u16 max_bw_reg_offset; + u16 max_linkspeed_reg_offset; + u32 capability1; + u32 capability2; + u32 capability3; + u16 max_tx_mac_filters; + u16 max_rx_mcast_mac_filters; + u16 max_rx_ucast_mac_filters; + u16 max_rx_ip_addr; + u16 max_rx_lro_flow; + u16 max_rx_status_rings; + u16 max_rx_buf_rings; + u16 max_tx_vlan_keys; + u8 total_pf; + u8 total_rss_engines; + u16 max_vports; + u16 linkstate_reg_offset; + u16 bit_offsets; + u16 max_local_ipv6_addrs; + u16 max_remote_ipv6_addrs; +}; + +struct qlcnic_pci_info_le { + __le16 id; /* pci function id */ + __le16 active; /* 1 = Enabled */ + __le16 type; /* 1 = NIC, 2 = FCoE, 3 = iSCSI */ + __le16 default_port; /* default port number */ + + __le16 tx_min_bw; /* Multiple of 100mbpc */ + __le16 tx_max_bw; + __le16 reserved1[2]; + + u8 mac[ETH_ALEN]; + __le16 func_count; + u8 reserved2[104]; + +} __packed; + +struct qlcnic_pci_info { + u16 id; + u16 active; + u16 type; + u16 default_port; + u16 tx_min_bw; + u16 tx_max_bw; + u8 mac[ETH_ALEN]; + u16 func_count; +}; + +struct qlcnic_npar_info { + bool eswitch_status; + u16 pvid; + u16 min_bw; + u16 max_bw; + u8 phy_port; + u8 type; + u8 active; + u8 enable_pm; + u8 dest_npar; + u8 discard_tagged; + u8 mac_override; + u8 mac_anti_spoof; + u8 promisc_mode; + u8 offload_flags; + u8 pci_func; + u8 mac[ETH_ALEN]; +}; + +struct qlcnic_eswitch { + u8 port; + u8 active_vports; + u8 active_vlans; + u8 active_ucast_filters; + u8 max_ucast_filters; + u8 max_active_vlans; + + u32 flags; +#define QLCNIC_SWITCH_ENABLE BIT_1 +#define QLCNIC_SWITCH_VLAN_FILTERING BIT_2 +#define QLCNIC_SWITCH_PROMISC_MODE BIT_3 +#define QLCNIC_SWITCH_PORT_MIRRORING BIT_4 +}; + + +#define MAX_BW 100 /* % of link speed */ +#define MIN_BW 1 /* % of link speed */ +#define MAX_VLAN_ID 4095 +#define MIN_VLAN_ID 2 +#define DEFAULT_MAC_LEARN 1 + +#define IS_VALID_VLAN(vlan) (vlan >= MIN_VLAN_ID && vlan < MAX_VLAN_ID) +#define IS_VALID_BW(bw) (bw <= MAX_BW) + +struct qlcnic_pci_func_cfg { + u16 func_type; + u16 min_bw; + u16 max_bw; + u16 port_num; + u8 pci_func; + u8 func_state; + u8 def_mac_addr[ETH_ALEN]; +}; + +struct qlcnic_npar_func_cfg { + u32 fw_capab; + u16 port_num; + u16 min_bw; + u16 max_bw; + u16 max_tx_queues; + u16 max_rx_queues; + u8 pci_func; + u8 op_mode; +}; + +struct qlcnic_pm_func_cfg { + u8 pci_func; + u8 action; + u8 dest_npar; + u8 reserved[5]; +}; + +struct qlcnic_esw_func_cfg { + u16 vlan_id; + u8 op_mode; + u8 op_type; + u8 pci_func; + u8 host_vlan_tag; + u8 promisc_mode; + u8 discard_tagged; + u8 mac_override; + u8 mac_anti_spoof; + u8 offload_flags; + u8 reserved[5]; +}; + +#define QLCNIC_STATS_VERSION 1 +#define QLCNIC_STATS_PORT 1 +#define QLCNIC_STATS_ESWITCH 2 +#define QLCNIC_QUERY_RX_COUNTER 0 +#define QLCNIC_QUERY_TX_COUNTER 1 +#define QLCNIC_STATS_NOT_AVAIL 0xffffffffffffffffULL +#define QLCNIC_FILL_STATS(VAL1) \ + (((VAL1) == QLCNIC_STATS_NOT_AVAIL) ? 0 : VAL1) +#define QLCNIC_MAC_STATS 1 +#define QLCNIC_ESW_STATS 2 + +#define QLCNIC_ADD_ESW_STATS(VAL1, VAL2)\ +do { \ + if (((VAL1) == QLCNIC_STATS_NOT_AVAIL) && \ + ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \ + (VAL1) = (VAL2); \ + else if (((VAL1) != QLCNIC_STATS_NOT_AVAIL) && \ + ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \ + (VAL1) += (VAL2); \ +} while (0) + +struct qlcnic_mac_statistics_le { + __le64 mac_tx_frames; + __le64 mac_tx_bytes; + __le64 mac_tx_mcast_pkts; + __le64 mac_tx_bcast_pkts; + __le64 mac_tx_pause_cnt; + __le64 mac_tx_ctrl_pkt; + __le64 mac_tx_lt_64b_pkts; + __le64 mac_tx_lt_127b_pkts; + __le64 mac_tx_lt_255b_pkts; + __le64 mac_tx_lt_511b_pkts; + __le64 mac_tx_lt_1023b_pkts; + __le64 mac_tx_lt_1518b_pkts; + __le64 mac_tx_gt_1518b_pkts; + __le64 rsvd1[3]; + + __le64 mac_rx_frames; + __le64 mac_rx_bytes; + __le64 mac_rx_mcast_pkts; + __le64 mac_rx_bcast_pkts; + __le64 mac_rx_pause_cnt; + __le64 mac_rx_ctrl_pkt; + __le64 mac_rx_lt_64b_pkts; + __le64 mac_rx_lt_127b_pkts; + __le64 mac_rx_lt_255b_pkts; + __le64 mac_rx_lt_511b_pkts; + __le64 mac_rx_lt_1023b_pkts; + __le64 mac_rx_lt_1518b_pkts; + __le64 mac_rx_gt_1518b_pkts; + __le64 rsvd2[3]; + + __le64 mac_rx_length_error; + __le64 mac_rx_length_small; + __le64 mac_rx_length_large; + __le64 mac_rx_jabber; + __le64 mac_rx_dropped; + __le64 mac_rx_crc_error; + __le64 mac_align_error; +} __packed; + +struct qlcnic_mac_statistics { + u64 mac_tx_frames; + u64 mac_tx_bytes; + u64 mac_tx_mcast_pkts; + u64 mac_tx_bcast_pkts; + u64 mac_tx_pause_cnt; + u64 mac_tx_ctrl_pkt; + u64 mac_tx_lt_64b_pkts; + u64 mac_tx_lt_127b_pkts; + u64 mac_tx_lt_255b_pkts; + u64 mac_tx_lt_511b_pkts; + u64 mac_tx_lt_1023b_pkts; + u64 mac_tx_lt_1518b_pkts; + u64 mac_tx_gt_1518b_pkts; + u64 rsvd1[3]; + u64 mac_rx_frames; + u64 mac_rx_bytes; + u64 mac_rx_mcast_pkts; + u64 mac_rx_bcast_pkts; + u64 mac_rx_pause_cnt; + u64 mac_rx_ctrl_pkt; + u64 mac_rx_lt_64b_pkts; + u64 mac_rx_lt_127b_pkts; + u64 mac_rx_lt_255b_pkts; + u64 mac_rx_lt_511b_pkts; + u64 mac_rx_lt_1023b_pkts; + u64 mac_rx_lt_1518b_pkts; + u64 mac_rx_gt_1518b_pkts; + u64 rsvd2[3]; + u64 mac_rx_length_error; + u64 mac_rx_length_small; + u64 mac_rx_length_large; + u64 mac_rx_jabber; + u64 mac_rx_dropped; + u64 mac_rx_crc_error; + u64 mac_align_error; +}; + +struct qlcnic_esw_stats_le { + __le16 context_id; + __le16 version; + __le16 size; + __le16 unused; + __le64 unicast_frames; + __le64 multicast_frames; + __le64 broadcast_frames; + __le64 dropped_frames; + __le64 errors; + __le64 local_frames; + __le64 numbytes; + __le64 rsvd[3]; +} __packed; + +struct __qlcnic_esw_statistics { + u16 context_id; + u16 version; + u16 size; + u16 unused; + u64 unicast_frames; + u64 multicast_frames; + u64 broadcast_frames; + u64 dropped_frames; + u64 errors; + u64 local_frames; + u64 numbytes; + u64 rsvd[3]; +}; + +struct qlcnic_esw_statistics { + struct __qlcnic_esw_statistics rx; + struct __qlcnic_esw_statistics tx; +}; + +#define QLCNIC_FORCE_FW_DUMP_KEY 0xdeadfeed +#define QLCNIC_ENABLE_FW_DUMP 0xaddfeed +#define QLCNIC_DISABLE_FW_DUMP 0xbadfeed +#define QLCNIC_FORCE_FW_RESET 0xdeaddead +#define QLCNIC_SET_QUIESCENT 0xadd00010 +#define QLCNIC_RESET_QUIESCENT 0xadd00020 + +struct _cdrp_cmd { + u32 num; + u32 *arg; +}; + +struct qlcnic_cmd_args { + struct completion completion; + struct list_head list; + struct _cdrp_cmd req; + struct _cdrp_cmd rsp; + atomic_t rsp_status; + int pay_size; + u32 rsp_opcode; + u32 total_cmds; + u32 op_type; + u32 type; + u32 cmd_op; + u32 *hdr; /* Back channel message header */ + u32 *pay; /* Back channel message payload */ + u8 func_num; +}; + +int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter); +int qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config); +int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *, u64 off, u64 data); +int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *, u64 off, u64 *data); + +#define ADDR_IN_RANGE(addr, low, high) \ + (((addr) < (high)) && ((addr) >= (low))) + +#define QLCRD32(adapter, off, err) \ + (adapter->ahw->hw_ops->read_reg)(adapter, off, err) + +#define QLCWR32(adapter, off, val) \ + adapter->ahw->hw_ops->write_reg(adapter, off, val) + +int qlcnic_pcie_sem_lock(struct qlcnic_adapter *, int, u32); +void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *, int); + +#define qlcnic_rom_lock(a) \ + qlcnic_pcie_sem_lock((a), 2, QLCNIC_ROM_LOCK_ID) +#define qlcnic_rom_unlock(a) \ + qlcnic_pcie_sem_unlock((a), 2) +#define qlcnic_phy_lock(a) \ + qlcnic_pcie_sem_lock((a), 3, QLCNIC_PHY_LOCK_ID) +#define qlcnic_phy_unlock(a) \ + qlcnic_pcie_sem_unlock((a), 3) +#define qlcnic_sw_lock(a) \ + qlcnic_pcie_sem_lock((a), 6, 0) +#define qlcnic_sw_unlock(a) \ + qlcnic_pcie_sem_unlock((a), 6) +#define crb_win_lock(a) \ + qlcnic_pcie_sem_lock((a), 7, QLCNIC_CRB_WIN_LOCK_ID) +#define crb_win_unlock(a) \ + qlcnic_pcie_sem_unlock((a), 7) + +#define __QLCNIC_MAX_LED_RATE 0xf +#define __QLCNIC_MAX_LED_STATE 0x2 + +#define MAX_CTL_CHECK 1000 + +void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter); +void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter); +int qlcnic_dump_fw(struct qlcnic_adapter *); +int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *); +bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *); + +/* Functions from qlcnic_init.c */ +void qlcnic_schedule_work(struct qlcnic_adapter *, work_func_t, int); +int qlcnic_load_firmware(struct qlcnic_adapter *adapter); +int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter); +void qlcnic_request_firmware(struct qlcnic_adapter *adapter); +void qlcnic_release_firmware(struct qlcnic_adapter *adapter); +int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter); +int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter); +int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter); + +int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp); +int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, + u8 *bytes, size_t size); +int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter); +void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter); + +void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *, u32); + +int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter); +void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter); + +int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter); +void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter); + +void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter); +void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter); +void qlcnic_release_tx_buffers(struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); + +int qlcnic_check_fw_status(struct qlcnic_adapter *adapter); +void qlcnic_watchdog_task(struct work_struct *work); +void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, + struct qlcnic_host_rds_ring *rds_ring, u8 ring_id); +void qlcnic_set_multi(struct net_device *netdev); +void qlcnic_flush_mcast_mac(struct qlcnic_adapter *); +int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16, + enum qlcnic_mac_type); +int qlcnic_nic_del_mac(struct qlcnic_adapter *, const u8 *); +void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter); +int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *); + +int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu); +int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *, u32); +int qlcnic_change_mtu(struct net_device *netdev, int new_mtu); +netdev_features_t qlcnic_fix_features(struct net_device *netdev, + netdev_features_t features); +int qlcnic_set_features(struct net_device *netdev, netdev_features_t features); +int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable); +void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *); + +/* Functions from qlcnic_ethtool.c */ +int qlcnic_check_loopback_buff(unsigned char *, u8 []); +int qlcnic_do_lb_test(struct qlcnic_adapter *, u8); + +/* Functions from qlcnic_main.c */ +int qlcnic_reset_context(struct qlcnic_adapter *); +void qlcnic_diag_free_res(struct net_device *netdev, int); +int qlcnic_diag_alloc_res(struct net_device *netdev, int); +netdev_tx_t qlcnic_xmit_frame(struct sk_buff *, struct net_device *); +void qlcnic_set_tx_ring_count(struct qlcnic_adapter *, u8); +void qlcnic_set_sds_ring_count(struct qlcnic_adapter *, u8); +int qlcnic_setup_rings(struct qlcnic_adapter *); +int qlcnic_validate_rings(struct qlcnic_adapter *, __u32, int); +void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter); +int qlcnic_enable_msix(struct qlcnic_adapter *, u32); +void qlcnic_set_drv_version(struct qlcnic_adapter *); + +/* eSwitch management functions */ +int qlcnic_config_switch_port(struct qlcnic_adapter *, + struct qlcnic_esw_func_cfg *); + +int qlcnic_get_eswitch_port_config(struct qlcnic_adapter *, + struct qlcnic_esw_func_cfg *); +int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8); +int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8, + struct __qlcnic_esw_statistics *); +int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8, + struct __qlcnic_esw_statistics *); +int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8); +int qlcnic_get_mac_stats(struct qlcnic_adapter *, struct qlcnic_mac_statistics *); + +void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd); + +int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *, int); +void qlcnic_free_sds_rings(struct qlcnic_recv_context *); +void qlcnic_advert_link_change(struct qlcnic_adapter *, int); +void qlcnic_free_tx_rings(struct qlcnic_adapter *); +int qlcnic_alloc_tx_rings(struct qlcnic_adapter *, struct net_device *); +void qlcnic_dump_mbx(struct qlcnic_adapter *, struct qlcnic_cmd_args *); + +void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); +void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); +void qlcnic_82xx_add_sysfs(struct qlcnic_adapter *adapter); +void qlcnic_82xx_remove_sysfs(struct qlcnic_adapter *adapter); + +int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); +int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); +void qlcnic_set_vlan_config(struct qlcnic_adapter *, + struct qlcnic_esw_func_cfg *); +void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *, + struct qlcnic_esw_func_cfg *); +int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *); +void qlcnic_down(struct qlcnic_adapter *, struct net_device *); +int qlcnic_up(struct qlcnic_adapter *, struct net_device *); +void __qlcnic_down(struct qlcnic_adapter *, struct net_device *); +void qlcnic_detach(struct qlcnic_adapter *); +void qlcnic_teardown_intr(struct qlcnic_adapter *); +int qlcnic_attach(struct qlcnic_adapter *); +int __qlcnic_up(struct qlcnic_adapter *, struct net_device *); +void qlcnic_restore_indev_addr(struct net_device *, unsigned long); + +int qlcnic_check_temp(struct qlcnic_adapter *); +int qlcnic_init_pci_info(struct qlcnic_adapter *); +int qlcnic_set_default_offload_settings(struct qlcnic_adapter *); +int qlcnic_reset_npar_config(struct qlcnic_adapter *); +int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *); +int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter, u16 port); +int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, u16 port); +int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter); +int qlcnic_read_mac_addr(struct qlcnic_adapter *); +int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int); +void qlcnic_set_netdev_features(struct qlcnic_adapter *, + struct qlcnic_esw_func_cfg *); +void qlcnic_sriov_vf_set_multi(struct net_device *); +int qlcnic_is_valid_nic_func(struct qlcnic_adapter *, u8); +int qlcnic_get_pci_func_type(struct qlcnic_adapter *, u16, u16 *, u16 *, + u16 *); + +/* + * QLOGIC Board information + */ + +#define QLCNIC_MAX_BOARD_NAME_LEN 100 +struct qlcnic_board_info { + unsigned short vendor; + unsigned short device; + unsigned short sub_vendor; + unsigned short sub_device; + char short_name[QLCNIC_MAX_BOARD_NAME_LEN]; +}; + +static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring) +{ + if (likely(tx_ring->producer < tx_ring->sw_consumer)) + return tx_ring->sw_consumer - tx_ring->producer; + else + return tx_ring->sw_consumer + tx_ring->num_desc - + tx_ring->producer; +} + +struct qlcnic_nic_template { + int (*config_bridged_mode) (struct qlcnic_adapter *, u32); + int (*config_led) (struct qlcnic_adapter *, u32, u32); + int (*start_firmware) (struct qlcnic_adapter *); + int (*init_driver) (struct qlcnic_adapter *); + void (*request_reset) (struct qlcnic_adapter *, u32); + void (*cancel_idc_work) (struct qlcnic_adapter *); + int (*napi_add)(struct qlcnic_adapter *, struct net_device *); + void (*napi_del)(struct qlcnic_adapter *); + void (*config_ipaddr)(struct qlcnic_adapter *, __be32, int); + irqreturn_t (*clear_legacy_intr)(struct qlcnic_adapter *); + int (*shutdown)(struct pci_dev *); + int (*resume)(struct qlcnic_adapter *); +}; + +struct qlcnic_mbx_ops { + int (*enqueue_cmd) (struct qlcnic_adapter *, + struct qlcnic_cmd_args *, unsigned long *); + void (*dequeue_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *); + void (*decode_resp) (struct qlcnic_adapter *, struct qlcnic_cmd_args *); + void (*encode_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *); + void (*nofity_fw) (struct qlcnic_adapter *, u8); +}; + +int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *); +void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *); +void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx); +void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx); +void qlcnic_update_stats(struct qlcnic_adapter *); + +/* Adapter hardware abstraction */ +struct qlcnic_hardware_ops { + void (*read_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); + void (*write_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); + int (*read_reg) (struct qlcnic_adapter *, ulong, int *); + int (*write_reg) (struct qlcnic_adapter *, ulong, u32); + void (*get_ocm_win) (struct qlcnic_hardware_context *); + int (*get_mac_address) (struct qlcnic_adapter *, u8 *, u8); + int (*setup_intr) (struct qlcnic_adapter *); + int (*alloc_mbx_args)(struct qlcnic_cmd_args *, + struct qlcnic_adapter *, u32); + int (*mbx_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *); + void (*get_func_no) (struct qlcnic_adapter *); + int (*api_lock) (struct qlcnic_adapter *); + void (*api_unlock) (struct qlcnic_adapter *); + void (*add_sysfs) (struct qlcnic_adapter *); + void (*remove_sysfs) (struct qlcnic_adapter *); + void (*process_lb_rcv_ring_diag) (struct qlcnic_host_sds_ring *); + int (*create_rx_ctx) (struct qlcnic_adapter *); + int (*create_tx_ctx) (struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *, int); + void (*del_rx_ctx) (struct qlcnic_adapter *); + void (*del_tx_ctx) (struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); + int (*setup_link_event) (struct qlcnic_adapter *, int); + int (*get_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *, u8); + int (*get_pci_info) (struct qlcnic_adapter *, struct qlcnic_pci_info *); + int (*set_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *); + int (*change_macvlan) (struct qlcnic_adapter *, u8*, u16, u8); + void (*napi_enable) (struct qlcnic_adapter *); + void (*napi_disable) (struct qlcnic_adapter *); + int (*config_intr_coal) (struct qlcnic_adapter *, + struct ethtool_coalesce *); + int (*config_rss) (struct qlcnic_adapter *, int); + int (*config_hw_lro) (struct qlcnic_adapter *, int); + int (*config_loopback) (struct qlcnic_adapter *, u8); + int (*clear_loopback) (struct qlcnic_adapter *, u8); + int (*config_promisc_mode) (struct qlcnic_adapter *, u32); + void (*change_l2_filter)(struct qlcnic_adapter *adapter, u64 *addr, + u16 vlan, struct qlcnic_host_tx_ring *tx_ring); + int (*get_board_info) (struct qlcnic_adapter *); + void (*set_mac_filter_count) (struct qlcnic_adapter *); + void (*free_mac_list) (struct qlcnic_adapter *); + int (*read_phys_port_id) (struct qlcnic_adapter *); + pci_ers_result_t (*io_error_detected) (struct pci_dev *, + pci_channel_state_t); + pci_ers_result_t (*io_slot_reset) (struct pci_dev *); + void (*io_resume) (struct pci_dev *); + void (*get_beacon_state)(struct qlcnic_adapter *); + void (*enable_sds_intr) (struct qlcnic_adapter *, + struct qlcnic_host_sds_ring *); + void (*disable_sds_intr) (struct qlcnic_adapter *, + struct qlcnic_host_sds_ring *); + void (*enable_tx_intr) (struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); + void (*disable_tx_intr) (struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); + u32 (*get_saved_state)(void *, u32); + void (*set_saved_state)(void *, u32, u32); + void (*cache_tmpl_hdr_values)(struct qlcnic_fw_dump *); + u32 (*get_cap_size)(void *, int); + void (*set_sys_info)(void *, int, u32); + void (*store_cap_mask)(void *, u32); + bool (*encap_rx_offload) (struct qlcnic_adapter *adapter); + bool (*encap_tx_offload) (struct qlcnic_adapter *adapter); +}; + +extern struct qlcnic_nic_template qlcnic_vf_ops; + +static inline bool qlcnic_83xx_encap_tx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->extra_capability[0] & + QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD; +} + +static inline bool qlcnic_83xx_encap_rx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->extra_capability[0] & + QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD; +} + +static inline bool qlcnic_82xx_encap_tx_offload(struct qlcnic_adapter *adapter) +{ + return false; +} + +static inline bool qlcnic_82xx_encap_rx_offload(struct qlcnic_adapter *adapter) +{ + return false; +} + +static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->encap_rx_offload(adapter); +} + +static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->encap_tx_offload(adapter); +} + +static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter) +{ + return adapter->nic_ops->start_firmware(adapter); +} + +static inline void qlcnic_read_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + adapter->ahw->hw_ops->read_crb(adapter, buf, offset, size); +} + +static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size); +} + +static inline int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, + u8 *mac, u8 function) +{ + return adapter->ahw->hw_ops->get_mac_address(adapter, mac, function); +} + +static inline int qlcnic_setup_intr(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->setup_intr(adapter); +} + +static inline int qlcnic_alloc_mbx_args(struct qlcnic_cmd_args *mbx, + struct qlcnic_adapter *adapter, u32 arg) +{ + return adapter->ahw->hw_ops->alloc_mbx_args(mbx, adapter, arg); +} + +static inline int qlcnic_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + if (adapter->ahw->hw_ops->mbx_cmd) + return adapter->ahw->hw_ops->mbx_cmd(adapter, cmd); + + return -EIO; +} + +static inline void qlcnic_get_func_no(struct qlcnic_adapter *adapter) +{ + adapter->ahw->hw_ops->get_func_no(adapter); +} + +static inline int qlcnic_api_lock(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->api_lock(adapter); +} + +static inline void qlcnic_api_unlock(struct qlcnic_adapter *adapter) +{ + adapter->ahw->hw_ops->api_unlock(adapter); +} + +static inline void qlcnic_add_sysfs(struct qlcnic_adapter *adapter) +{ + if (adapter->ahw->hw_ops->add_sysfs) + adapter->ahw->hw_ops->add_sysfs(adapter); +} + +static inline void qlcnic_remove_sysfs(struct qlcnic_adapter *adapter) +{ + if (adapter->ahw->hw_ops->remove_sysfs) + adapter->ahw->hw_ops->remove_sysfs(adapter); +} + +static inline void +qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) +{ + sds_ring->adapter->ahw->hw_ops->process_lb_rcv_ring_diag(sds_ring); +} + +static inline int qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->create_rx_ctx(adapter); +} + +static inline int qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *ptr, + int ring) +{ + return adapter->ahw->hw_ops->create_tx_ctx(adapter, ptr, ring); +} + +static inline void qlcnic_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->del_rx_ctx(adapter); +} + +static inline void qlcnic_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *ptr) +{ + return adapter->ahw->hw_ops->del_tx_ctx(adapter, ptr); +} + +static inline int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, + int enable) +{ + return adapter->ahw->hw_ops->setup_link_event(adapter, enable); +} + +static inline int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *info, u8 id) +{ + return adapter->ahw->hw_ops->get_nic_info(adapter, info, id); +} + +static inline int qlcnic_get_pci_info(struct qlcnic_adapter *adapter, + struct qlcnic_pci_info *info) +{ + return adapter->ahw->hw_ops->get_pci_info(adapter, info); +} + +static inline int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *info) +{ + return adapter->ahw->hw_ops->set_nic_info(adapter, info); +} + +static inline int qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, + u8 *addr, u16 id, u8 cmd) +{ + return adapter->ahw->hw_ops->change_macvlan(adapter, addr, id, cmd); +} + +static inline int qlcnic_napi_add(struct qlcnic_adapter *adapter, + struct net_device *netdev) +{ + return adapter->nic_ops->napi_add(adapter, netdev); +} + +static inline void qlcnic_napi_del(struct qlcnic_adapter *adapter) +{ + adapter->nic_ops->napi_del(adapter); +} + +static inline void qlcnic_napi_enable(struct qlcnic_adapter *adapter) +{ + adapter->ahw->hw_ops->napi_enable(adapter); +} + +static inline int __qlcnic_shutdown(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + + return adapter->nic_ops->shutdown(pdev); +} + +static inline int __qlcnic_resume(struct qlcnic_adapter *adapter) +{ + return adapter->nic_ops->resume(adapter); +} + +static inline void qlcnic_napi_disable(struct qlcnic_adapter *adapter) +{ + adapter->ahw->hw_ops->napi_disable(adapter); +} + +static inline int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) +{ + return adapter->ahw->hw_ops->config_intr_coal(adapter, ethcoal); +} + +static inline int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable) +{ + return adapter->ahw->hw_ops->config_rss(adapter, enable); +} + +static inline int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, + int enable) +{ + return adapter->ahw->hw_ops->config_hw_lro(adapter, enable); +} + +static inline int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + return adapter->ahw->hw_ops->config_loopback(adapter, mode); +} + +static inline int qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + return adapter->ahw->hw_ops->clear_loopback(adapter, mode); +} + +static inline int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, + u32 mode) +{ + return adapter->ahw->hw_ops->config_promisc_mode(adapter, mode); +} + +static inline void qlcnic_change_filter(struct qlcnic_adapter *adapter, + u64 *addr, u16 vlan, + struct qlcnic_host_tx_ring *tx_ring) +{ + adapter->ahw->hw_ops->change_l2_filter(adapter, addr, vlan, tx_ring); +} + +static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->get_board_info(adapter); +} + +static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->free_mac_list(adapter); +} + +static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter) +{ + if (adapter->ahw->hw_ops->set_mac_filter_count) + adapter->ahw->hw_ops->set_mac_filter_count(adapter); +} + +static inline void qlcnic_get_beacon_state(struct qlcnic_adapter *adapter) +{ + adapter->ahw->hw_ops->get_beacon_state(adapter); +} + +static inline void qlcnic_read_phys_port_id(struct qlcnic_adapter *adapter) +{ + if (adapter->ahw->hw_ops->read_phys_port_id) + adapter->ahw->hw_ops->read_phys_port_id(adapter); +} + +static inline u32 qlcnic_get_saved_state(struct qlcnic_adapter *adapter, + void *t_hdr, u32 index) +{ + return adapter->ahw->hw_ops->get_saved_state(t_hdr, index); +} + +static inline void qlcnic_set_saved_state(struct qlcnic_adapter *adapter, + void *t_hdr, u32 index, u32 value) +{ + adapter->ahw->hw_ops->set_saved_state(t_hdr, index, value); +} + +static inline void qlcnic_cache_tmpl_hdr_values(struct qlcnic_adapter *adapter, + struct qlcnic_fw_dump *fw_dump) +{ + adapter->ahw->hw_ops->cache_tmpl_hdr_values(fw_dump); +} + +static inline u32 qlcnic_get_cap_size(struct qlcnic_adapter *adapter, + void *tmpl_hdr, int index) +{ + return adapter->ahw->hw_ops->get_cap_size(tmpl_hdr, index); +} + +static inline void qlcnic_set_sys_info(struct qlcnic_adapter *adapter, + void *tmpl_hdr, int idx, u32 value) +{ + adapter->ahw->hw_ops->set_sys_info(tmpl_hdr, idx, value); +} + +static inline void qlcnic_store_cap_mask(struct qlcnic_adapter *adapter, + void *tmpl_hdr, u32 mask) +{ + adapter->ahw->hw_ops->store_cap_mask(tmpl_hdr, mask); +} + +static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter, + u32 key) +{ + if (adapter->nic_ops->request_reset) + adapter->nic_ops->request_reset(adapter, key); +} + +static inline void qlcnic_cancel_idc_work(struct qlcnic_adapter *adapter) +{ + if (adapter->nic_ops->cancel_idc_work) + adapter->nic_ops->cancel_idc_work(adapter); +} + +static inline irqreturn_t +qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) +{ + return adapter->nic_ops->clear_legacy_intr(adapter); +} + +static inline int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, + u32 rate) +{ + return adapter->nic_ops->config_led(adapter, state, rate); +} + +static inline void qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, + __be32 ip, int cmd) +{ + adapter->nic_ops->config_ipaddr(adapter, ip, cmd); +} + +static inline bool qlcnic_check_multi_tx(struct qlcnic_adapter *adapter) +{ + return test_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); +} + +static inline void +qlcnic_82xx_enable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) + writel(0x0, tx_ring->crb_intr_mask); +} + +static inline void +qlcnic_82xx_disable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) + writel(1, tx_ring->crb_intr_mask); +} + +static inline void +qlcnic_83xx_enable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + writel(0, tx_ring->crb_intr_mask); +} + +static inline void +qlcnic_83xx_disable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + writel(1, tx_ring->crb_intr_mask); +} + +/* Enable MSI-x and INT-x interrupts */ +static inline void +qlcnic_83xx_enable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + writel(0, sds_ring->crb_intr_mask); +} + +/* Disable MSI-x and INT-x interrupts */ +static inline void +qlcnic_83xx_disable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + writel(1, sds_ring->crb_intr_mask); +} + +static inline void qlcnic_disable_multi_tx(struct qlcnic_adapter *adapter) +{ + test_and_clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); + adapter->drv_tx_rings = QLCNIC_SINGLE_RING; +} + +/* When operating in a muti tx mode, driver needs to write 0x1 + * to src register, instead of 0x0 to disable receiving interrupt. + */ +static inline void +qlcnic_82xx_disable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test && + (adapter->flags & QLCNIC_MSIX_ENABLED)) + writel(0x1, sds_ring->crb_intr_mask); + else + writel(0, sds_ring->crb_intr_mask); +} + +static inline void qlcnic_enable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + if (adapter->ahw->hw_ops->enable_sds_intr) + adapter->ahw->hw_ops->enable_sds_intr(adapter, sds_ring); +} + +static inline void +qlcnic_disable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + if (adapter->ahw->hw_ops->disable_sds_intr) + adapter->ahw->hw_ops->disable_sds_intr(adapter, sds_ring); +} + +static inline void qlcnic_enable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + if (adapter->ahw->hw_ops->enable_tx_intr) + adapter->ahw->hw_ops->enable_tx_intr(adapter, tx_ring); +} + +static inline void qlcnic_disable_tx_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + if (adapter->ahw->hw_ops->disable_tx_intr) + adapter->ahw->hw_ops->disable_tx_intr(adapter, tx_ring); +} + +/* When operating in a muti tx mode, driver needs to write 0x0 + * to src register, instead of 0x1 to enable receiving interrupts. + */ +static inline void +qlcnic_82xx_enable_sds_intr(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring) +{ + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test && + (adapter->flags & QLCNIC_MSIX_ENABLED)) + writel(0, sds_ring->crb_intr_mask); + else + writel(0x1, sds_ring->crb_intr_mask); + + if (!QLCNIC_IS_MSI_FAMILY(adapter)) + writel(0xfbff, adapter->tgt_mask_reg); +} + +static inline int qlcnic_get_diag_lock(struct qlcnic_adapter *adapter) +{ + return test_and_set_bit(__QLCNIC_DIAG_MODE, &adapter->state); +} + +static inline void qlcnic_release_diag_lock(struct qlcnic_adapter *adapter) +{ + clear_bit(__QLCNIC_DIAG_MODE, &adapter->state); +} + +static inline int qlcnic_check_diag_status(struct qlcnic_adapter *adapter) +{ + return test_bit(__QLCNIC_DIAG_MODE, &adapter->state); +} + +extern const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops; +extern const struct ethtool_ops qlcnic_ethtool_ops; +extern const struct ethtool_ops qlcnic_ethtool_failed_ops; + +#define QLCDB(adapter, lvl, _fmt, _args...) do { \ + if (NETIF_MSG_##lvl & adapter->ahw->msg_enable) \ + printk(KERN_INFO "%s: %s: " _fmt, \ + dev_name(&adapter->pdev->dev), \ + __func__, ##_args); \ + } while (0) + +#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 +#define PCI_DEVICE_ID_QLOGIC_QLE834X 0x8030 +#define PCI_DEVICE_ID_QLOGIC_VF_QLE834X 0x8430 +#define PCI_DEVICE_ID_QLOGIC_QLE8830 0x8830 +#define PCI_DEVICE_ID_QLOGIC_VF_QLE8C30 0x8C30 +#define PCI_DEVICE_ID_QLOGIC_QLE844X 0x8040 +#define PCI_DEVICE_ID_QLOGIC_VF_QLE844X 0x8440 + +static inline bool qlcnic_82xx_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + return (device == PCI_DEVICE_ID_QLOGIC_QLE824X) ? true : false; +} + +static inline bool qlcnic_84xx_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + + return ((device == PCI_DEVICE_ID_QLOGIC_QLE844X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X)) ? true : false; +} + +static inline bool qlcnic_83xx_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + bool status; + + status = ((device == PCI_DEVICE_ID_QLOGIC_QLE834X) || + (device == PCI_DEVICE_ID_QLOGIC_QLE8830) || + (device == PCI_DEVICE_ID_QLOGIC_QLE844X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false; + + return status; +} + +static inline bool qlcnic_sriov_pf_check(struct qlcnic_adapter *adapter) +{ + return (adapter->ahw->op_mode == QLCNIC_SRIOV_PF_FUNC) ? true : false; +} + +static inline bool qlcnic_sriov_vf_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + bool status; + + status = ((device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false; + + return status; +} + +static inline bool qlcnic_83xx_pf_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + + return (device == PCI_DEVICE_ID_QLOGIC_QLE834X) ? true : false; +} + +static inline bool qlcnic_83xx_vf_check(struct qlcnic_adapter *adapter) +{ + unsigned short device = adapter->pdev->device; + + return ((device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) || + (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false; +} + +static inline bool qlcnic_sriov_check(struct qlcnic_adapter *adapter) +{ + bool status; + + status = (qlcnic_sriov_pf_check(adapter) || + qlcnic_sriov_vf_check(adapter)) ? true : false; + + return status; +} + +static inline u32 qlcnic_get_vnic_func_count(struct qlcnic_adapter *adapter) +{ + if (qlcnic_84xx_check(adapter)) + return QLC_84XX_VNIC_COUNT; + else + return QLC_DEFAULT_VNIC_COUNT; +} + +static inline void qlcnic_swap32_buffer(u32 *buffer, int count) +{ +#if defined(__BIG_ENDIAN) + u32 *tmp = buffer; + int i; + + for (i = 0; i < count; i++) { + *tmp = swab32(*tmp); + tmp++; + } +#endif +} + +#ifdef CONFIG_QLCNIC_HWMON +void qlcnic_register_hwmon_dev(struct qlcnic_adapter *); +void qlcnic_unregister_hwmon_dev(struct qlcnic_adapter *); +#else +static inline void qlcnic_register_hwmon_dev(struct qlcnic_adapter *adapter) +{ + return; +} +static inline void qlcnic_unregister_hwmon_dev(struct qlcnic_adapter *adapter) +{ + return; +} +#endif +#endif /* __QLCNIC_H_ */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c new file mode 100644 index 000000000..2fd5c6fdb --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -0,0 +1,4241 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/if_vlan.h> +#include <linux/ipv6.h> +#include <linux/ethtool.h> +#include <linux/interrupt.h> +#include <linux/aer.h> + +#include "qlcnic.h" +#include "qlcnic_sriov.h" + +static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *); +static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8); +static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8, + struct qlcnic_cmd_args *); +static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *); +static irqreturn_t qlcnic_83xx_handle_aen(int, void *); +static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *, + pci_channel_state_t); +static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *); +static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *); +static void qlcnic_83xx_io_resume(struct pci_dev *); +static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8); +static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *); +static int qlcnic_83xx_resume(struct qlcnic_adapter *); +static int qlcnic_83xx_shutdown(struct pci_dev *); +static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *); + +#define RSS_HASHTYPE_IP_TCP 0x3 +#define QLC_83XX_FW_MBX_CMD 0 +#define QLC_SKIP_INACTIVE_PCI_REGS 7 +#define QLC_MAX_LEGACY_FUNC_SUPP 8 + +/* 83xx Module type */ +#define QLC_83XX_MODULE_FIBRE_10GBASE_LRM 0x1 /* 10GBase-LRM */ +#define QLC_83XX_MODULE_FIBRE_10GBASE_LR 0x2 /* 10GBase-LR */ +#define QLC_83XX_MODULE_FIBRE_10GBASE_SR 0x3 /* 10GBase-SR */ +#define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP 0x4 /* 10GE passive + * copper(compliant) + */ +#define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP 0x5 /* 10GE active limiting + * copper(compliant) + */ +#define QLC_83XX_MODULE_DA_10GE_LEGACY_CP 0x6 /* 10GE passive copper + * (legacy, best effort) + */ +#define QLC_83XX_MODULE_FIBRE_1000BASE_SX 0x7 /* 1000Base-SX */ +#define QLC_83XX_MODULE_FIBRE_1000BASE_LX 0x8 /* 1000Base-LX */ +#define QLC_83XX_MODULE_FIBRE_1000BASE_CX 0x9 /* 1000Base-CX */ +#define QLC_83XX_MODULE_TP_1000BASE_T 0xa /* 1000Base-T*/ +#define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP 0xb /* 1GE passive copper + * (legacy, best effort) + */ +#define QLC_83XX_MODULE_UNKNOWN 0xf /* Unknown module type */ + +/* Port types */ +#define QLC_83XX_10_CAPABLE BIT_8 +#define QLC_83XX_100_CAPABLE BIT_9 +#define QLC_83XX_1G_CAPABLE BIT_10 +#define QLC_83XX_10G_CAPABLE BIT_11 +#define QLC_83XX_AUTONEG_ENABLE BIT_15 + +static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { + {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1}, + {QLCNIC_CMD_CONFIG_INTRPT, 18, 34}, + {QLCNIC_CMD_CREATE_RX_CTX, 136, 27}, + {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, + {QLCNIC_CMD_CREATE_TX_CTX, 54, 18}, + {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1}, + {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1}, + {QLCNIC_CMD_INTRPT_TEST, 22, 12}, + {QLCNIC_CMD_SET_MTU, 3, 1}, + {QLCNIC_CMD_READ_PHY, 4, 2}, + {QLCNIC_CMD_WRITE_PHY, 5, 1}, + {QLCNIC_CMD_READ_HW_REG, 4, 1}, + {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, + {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, + {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, + {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, + {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, + {QLCNIC_CMD_GET_PCI_INFO, 1, 129}, + {QLCNIC_CMD_GET_NIC_INFO, 2, 19}, + {QLCNIC_CMD_SET_NIC_INFO, 32, 1}, + {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, + {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, + {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, + {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, + {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, + {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, + {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1}, + {QLCNIC_CMD_CONFIG_PORT, 4, 1}, + {QLCNIC_CMD_TEMP_SIZE, 1, 4}, + {QLCNIC_CMD_GET_TEMP_HDR, 5, 5}, + {QLCNIC_CMD_GET_LINK_EVENT, 2, 1}, + {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3}, + {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1}, + {QLCNIC_CMD_CONFIGURE_RSS, 14, 1}, + {QLCNIC_CMD_CONFIGURE_LED, 2, 1}, + {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1}, + {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1}, + {QLCNIC_CMD_GET_STATISTICS, 2, 80}, + {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1}, + {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2}, + {QLCNIC_CMD_GET_LINK_STATUS, 2, 4}, + {QLCNIC_CMD_IDC_ACK, 5, 1}, + {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1}, + {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1}, + {QLCNIC_CMD_SET_LED_CONFIG, 5, 1}, + {QLCNIC_CMD_GET_LED_CONFIG, 1, 5}, + {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1}, + {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26}, + {QLCNIC_CMD_CONFIG_VPORT, 4, 4}, + {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1}, + {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, + {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50}, + {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1}, + {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1}, +}; + +const u32 qlcnic_83xx_ext_reg_tbl[] = { + 0x38CC, /* Global Reset */ + 0x38F0, /* Wildcard */ + 0x38FC, /* Informant */ + 0x3038, /* Host MBX ctrl */ + 0x303C, /* FW MBX ctrl */ + 0x355C, /* BOOT LOADER ADDRESS REG */ + 0x3560, /* BOOT LOADER SIZE REG */ + 0x3564, /* FW IMAGE ADDR REG */ + 0x1000, /* MBX intr enable */ + 0x1200, /* Default Intr mask */ + 0x1204, /* Default Interrupt ID */ + 0x3780, /* QLC_83XX_IDC_MAJ_VERSION */ + 0x3784, /* QLC_83XX_IDC_DEV_STATE */ + 0x3788, /* QLC_83XX_IDC_DRV_PRESENCE */ + 0x378C, /* QLC_83XX_IDC_DRV_ACK */ + 0x3790, /* QLC_83XX_IDC_CTRL */ + 0x3794, /* QLC_83XX_IDC_DRV_AUDIT */ + 0x3798, /* QLC_83XX_IDC_MIN_VERSION */ + 0x379C, /* QLC_83XX_RECOVER_DRV_LOCK */ + 0x37A0, /* QLC_83XX_IDC_PF_0 */ + 0x37A4, /* QLC_83XX_IDC_PF_1 */ + 0x37A8, /* QLC_83XX_IDC_PF_2 */ + 0x37AC, /* QLC_83XX_IDC_PF_3 */ + 0x37B0, /* QLC_83XX_IDC_PF_4 */ + 0x37B4, /* QLC_83XX_IDC_PF_5 */ + 0x37B8, /* QLC_83XX_IDC_PF_6 */ + 0x37BC, /* QLC_83XX_IDC_PF_7 */ + 0x37C0, /* QLC_83XX_IDC_PF_8 */ + 0x37C4, /* QLC_83XX_IDC_PF_9 */ + 0x37C8, /* QLC_83XX_IDC_PF_10 */ + 0x37CC, /* QLC_83XX_IDC_PF_11 */ + 0x37D0, /* QLC_83XX_IDC_PF_12 */ + 0x37D4, /* QLC_83XX_IDC_PF_13 */ + 0x37D8, /* QLC_83XX_IDC_PF_14 */ + 0x37DC, /* QLC_83XX_IDC_PF_15 */ + 0x37E0, /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */ + 0x37E4, /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */ + 0x37F0, /* QLC_83XX_DRV_OP_MODE */ + 0x37F4, /* QLC_83XX_VNIC_STATE */ + 0x3868, /* QLC_83XX_DRV_LOCK */ + 0x386C, /* QLC_83XX_DRV_UNLOCK */ + 0x3504, /* QLC_83XX_DRV_LOCK_ID */ + 0x34A4, /* QLC_83XX_ASIC_TEMP */ +}; + +const u32 qlcnic_83xx_reg_tbl[] = { + 0x34A8, /* PEG_HALT_STAT1 */ + 0x34AC, /* PEG_HALT_STAT2 */ + 0x34B0, /* FW_HEARTBEAT */ + 0x3500, /* FLASH LOCK_ID */ + 0x3528, /* FW_CAPABILITIES */ + 0x3538, /* Driver active, DRV_REG0 */ + 0x3540, /* Device state, DRV_REG1 */ + 0x3544, /* Driver state, DRV_REG2 */ + 0x3548, /* Driver scratch, DRV_REG3 */ + 0x354C, /* Device partition info, DRV_REG4 */ + 0x3524, /* Driver IDC ver, DRV_REG5 */ + 0x3550, /* FW_VER_MAJOR */ + 0x3554, /* FW_VER_MINOR */ + 0x3558, /* FW_VER_SUB */ + 0x359C, /* NPAR STATE */ + 0x35FC, /* FW_IMG_VALID */ + 0x3650, /* CMD_PEG_STATE */ + 0x373C, /* RCV_PEG_STATE */ + 0x37B4, /* ASIC TEMP */ + 0x356C, /* FW API */ + 0x3570, /* DRV OP MODE */ + 0x3850, /* FLASH LOCK */ + 0x3854, /* FLASH UNLOCK */ +}; + +static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = { + .read_crb = qlcnic_83xx_read_crb, + .write_crb = qlcnic_83xx_write_crb, + .read_reg = qlcnic_83xx_rd_reg_indirect, + .write_reg = qlcnic_83xx_wrt_reg_indirect, + .get_mac_address = qlcnic_83xx_get_mac_address, + .setup_intr = qlcnic_83xx_setup_intr, + .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, + .mbx_cmd = qlcnic_83xx_issue_cmd, + .get_func_no = qlcnic_83xx_get_func_no, + .api_lock = qlcnic_83xx_cam_lock, + .api_unlock = qlcnic_83xx_cam_unlock, + .add_sysfs = qlcnic_83xx_add_sysfs, + .remove_sysfs = qlcnic_83xx_remove_sysfs, + .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, + .create_rx_ctx = qlcnic_83xx_create_rx_ctx, + .create_tx_ctx = qlcnic_83xx_create_tx_ctx, + .del_rx_ctx = qlcnic_83xx_del_rx_ctx, + .del_tx_ctx = qlcnic_83xx_del_tx_ctx, + .setup_link_event = qlcnic_83xx_setup_link_event, + .get_nic_info = qlcnic_83xx_get_nic_info, + .get_pci_info = qlcnic_83xx_get_pci_info, + .set_nic_info = qlcnic_83xx_set_nic_info, + .change_macvlan = qlcnic_83xx_sre_macaddr_change, + .napi_enable = qlcnic_83xx_napi_enable, + .napi_disable = qlcnic_83xx_napi_disable, + .config_intr_coal = qlcnic_83xx_config_intr_coal, + .config_rss = qlcnic_83xx_config_rss, + .config_hw_lro = qlcnic_83xx_config_hw_lro, + .config_promisc_mode = qlcnic_83xx_nic_set_promisc, + .change_l2_filter = qlcnic_83xx_change_l2_filter, + .get_board_info = qlcnic_83xx_get_port_info, + .set_mac_filter_count = qlcnic_83xx_set_mac_filter_count, + .free_mac_list = qlcnic_82xx_free_mac_list, + .io_error_detected = qlcnic_83xx_io_error_detected, + .io_slot_reset = qlcnic_83xx_io_slot_reset, + .io_resume = qlcnic_83xx_io_resume, + .get_beacon_state = qlcnic_83xx_get_beacon_state, + .enable_sds_intr = qlcnic_83xx_enable_sds_intr, + .disable_sds_intr = qlcnic_83xx_disable_sds_intr, + .enable_tx_intr = qlcnic_83xx_enable_tx_intr, + .disable_tx_intr = qlcnic_83xx_disable_tx_intr, + .get_saved_state = qlcnic_83xx_get_saved_state, + .set_saved_state = qlcnic_83xx_set_saved_state, + .cache_tmpl_hdr_values = qlcnic_83xx_cache_tmpl_hdr_values, + .get_cap_size = qlcnic_83xx_get_cap_size, + .set_sys_info = qlcnic_83xx_set_sys_info, + .store_cap_mask = qlcnic_83xx_store_cap_mask, + .encap_rx_offload = qlcnic_83xx_encap_rx_offload, + .encap_tx_offload = qlcnic_83xx_encap_tx_offload, +}; + +static struct qlcnic_nic_template qlcnic_83xx_ops = { + .config_bridged_mode = qlcnic_config_bridged_mode, + .config_led = qlcnic_config_led, + .request_reset = qlcnic_83xx_idc_request_reset, + .cancel_idc_work = qlcnic_83xx_idc_exit, + .napi_add = qlcnic_83xx_napi_add, + .napi_del = qlcnic_83xx_napi_del, + .config_ipaddr = qlcnic_83xx_config_ipaddr, + .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, + .shutdown = qlcnic_83xx_shutdown, + .resume = qlcnic_83xx_resume, +}; + +void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw) +{ + ahw->hw_ops = &qlcnic_83xx_hw_ops; + ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; + ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; +} + +int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter) +{ + u32 fw_major, fw_minor, fw_build; + struct pci_dev *pdev = adapter->pdev; + + fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); + fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); + fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); + adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); + + dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n", + QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); + + return adapter->fw_version; +} + +static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) +{ + void __iomem *base; + u32 val; + + base = adapter->ahw->pci_base0 + + QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func); + writel(addr, base); + val = readl(base); + if (val != addr) + return -EIO; + + return 0; +} + +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, + int *err) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + *err = __qlcnic_set_win_base(adapter, (u32) addr); + if (!*err) { + return QLCRDX(ahw, QLCNIC_WILDCARD); + } else { + dev_err(&adapter->pdev->dev, + "%s failed, addr = 0x%lx\n", __func__, addr); + return -EIO; + } +} + +int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, + u32 data) +{ + int err; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + err = __qlcnic_set_win_base(adapter, (u32) addr); + if (!err) { + QLCWRX(ahw, QLCNIC_WILDCARD, data); + return 0; + } else { + dev_err(&adapter->pdev->dev, + "%s failed, addr = 0x%x data = 0x%x\n", + __func__, (int)addr, data); + return err; + } +} + +static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + /* MSI-X enablement failed, use legacy interrupt */ + adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR; + adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK; + adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR; + adapter->msix_entries[0].vector = adapter->pdev->irq; + dev_info(&adapter->pdev->dev, "using legacy interrupt\n"); +} + +static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter) +{ + int num_msix; + + num_msix = adapter->drv_sds_rings; + + /* account for AEN interrupt MSI-X based interrupts */ + num_msix += 1; + + if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) + num_msix += adapter->drv_tx_rings; + + return num_msix; +} + +int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err, i, num_msix; + + if (adapter->flags & QLCNIC_TSS_RSS) { + err = qlcnic_setup_tss_rss_intr(adapter); + if (err < 0) + return err; + num_msix = ahw->num_msix; + } else { + num_msix = qlcnic_83xx_calculate_msix_vector(adapter); + + err = qlcnic_enable_msix(adapter, num_msix); + if (err == -ENOMEM) + return err; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) { + num_msix = ahw->num_msix; + } else { + if (qlcnic_sriov_vf_check(adapter)) + return -EINVAL; + num_msix = 1; + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; + adapter->drv_tx_rings = QLCNIC_SINGLE_RING; + } + } + + /* setup interrupt mapping table for fw */ + ahw->intr_tbl = + vzalloc(array_size(num_msix, + sizeof(struct qlcnic_intrpt_config))); + if (!ahw->intr_tbl) + return -ENOMEM; + + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { + if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) { + dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n", + ahw->pci_func); + return -EOPNOTSUPP; + } + + qlcnic_83xx_enable_legacy(adapter); + } + + for (i = 0; i < num_msix; i++) { + if (adapter->flags & QLCNIC_MSIX_ENABLED) + ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; + else + ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX; + ahw->intr_tbl[i].id = i; + ahw->intr_tbl[i].src = 0; + } + + return 0; +} + +static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter) +{ + writel(0, adapter->tgt_mask_reg); +} + +static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter) +{ + if (adapter->tgt_mask_reg) + writel(1, adapter->tgt_mask_reg); +} + +static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter + *adapter) +{ + u32 mask; + + /* Mailbox in MSI-x mode and Legacy Interrupt share the same + * source register. We could be here before contexts are created + * and sds_ring->crb_intr_mask has not been initialized, calculate + * BAR offset for Interrupt Source Register + */ + mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); + writel(0, adapter->ahw->pci_base0 + mask); +} + +void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter) +{ + u32 mask; + + mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); + writel(1, adapter->ahw->pci_base0 + mask); + QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0); +} + +static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + int i; + + if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) + return; + + for (i = 0; i < cmd->rsp.num; i++) + cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i)); +} + +irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter) +{ + u32 intr_val; + struct qlcnic_hardware_context *ahw = adapter->ahw; + int retries = 0; + + intr_val = readl(adapter->tgt_status_reg); + + if (!QLC_83XX_VALID_INTX_BIT31(intr_val)) + return IRQ_NONE; + + if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) { + adapter->stats.spurious_intr++; + return IRQ_NONE; + } + /* The barrier is required to ensure writes to the registers */ + wmb(); + + /* clear the interrupt trigger control register */ + writel_relaxed(0, adapter->isr_int_vec); + intr_val = readl(adapter->isr_int_vec); + do { + intr_val = readl(adapter->tgt_status_reg); + if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func) + break; + retries++; + } while (QLC_83XX_VALID_INTX_BIT30(intr_val) && + (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY)); + + return IRQ_HANDLED; +} + +static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx) +{ + mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; + complete(&mbx->completion); +} + +static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter) +{ + u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + unsigned long flags; + + spin_lock_irqsave(&mbx->aen_lock, flags); + resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); + if (!(resp & QLCNIC_SET_OWNER)) + goto out; + + event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); + if (event & QLCNIC_MBX_ASYNC_EVENT) { + __qlcnic_83xx_process_aen(adapter); + } else { + if (mbx->rsp_status != rsp_status) + qlcnic_83xx_notify_mbx_response(mbx); + } +out: + qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); + spin_unlock_irqrestore(&mbx->aen_lock, flags); +} + +irqreturn_t qlcnic_83xx_intr(int irq, void *data) +{ + struct qlcnic_adapter *adapter = data; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE) + return IRQ_NONE; + + qlcnic_83xx_poll_process_aen(adapter); + + if (ahw->diag_test) { + if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) + ahw->diag_cnt++; + qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); + return IRQ_HANDLED; + } + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); + } else { + sds_ring = &adapter->recv_ctx->sds_rings[0]; + napi_schedule(&sds_ring->napi); + } + + return IRQ_HANDLED; +} + +irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data) +{ + struct qlcnic_host_sds_ring *sds_ring = data; + struct qlcnic_adapter *adapter = sds_ring->adapter; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + goto done; + + if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE) + return IRQ_NONE; + +done: + adapter->ahw->diag_cnt++; + qlcnic_enable_sds_intr(adapter, sds_ring); + + return IRQ_HANDLED; +} + +void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter) +{ + u32 num_msix; + + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) + qlcnic_83xx_set_legacy_intr_mask(adapter); + + qlcnic_83xx_disable_mbx_intr(adapter); + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + num_msix = adapter->ahw->num_msix - 1; + else + num_msix = 0; + + msleep(20); + + if (adapter->msix_entries) { + synchronize_irq(adapter->msix_entries[num_msix].vector); + free_irq(adapter->msix_entries[num_msix].vector, adapter); + } +} + +int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter) +{ + irq_handler_t handler; + u32 val; + int err = 0; + unsigned long flags = 0; + + if (!(adapter->flags & QLCNIC_MSI_ENABLED) && + !(adapter->flags & QLCNIC_MSIX_ENABLED)) + flags |= IRQF_SHARED; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) { + handler = qlcnic_83xx_handle_aen; + val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector; + err = request_irq(val, handler, flags, "qlcnic-MB", adapter); + if (err) { + dev_err(&adapter->pdev->dev, + "failed to register MBX interrupt\n"); + return err; + } + } else { + handler = qlcnic_83xx_intr; + val = adapter->msix_entries[0].vector; + err = request_irq(val, handler, flags, "qlcnic", adapter); + if (err) { + dev_err(&adapter->pdev->dev, + "failed to register INTx interrupt\n"); + return err; + } + qlcnic_83xx_clear_legacy_intr_mask(adapter); + } + + /* Enable mailbox interrupt */ + qlcnic_83xx_enable_mbx_interrupt(adapter); + + return err; +} + +void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter) +{ + u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT); + adapter->ahw->pci_func = (val >> 24) & 0xff; +} + +int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter) +{ + void __iomem *addr; + u32 val, limit = 0; + + struct qlcnic_hardware_context *ahw = adapter->ahw; + + addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func); + do { + val = readl(addr); + if (val) { + /* write the function number to register */ + QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, + ahw->pci_func); + return 0; + } + usleep_range(1000, 2000); + } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT); + + return -EIO; +} + +void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) +{ + void __iomem *addr; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func); + readl(addr); +} + +void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + int ret = 0; + u32 data; + + if (qlcnic_api_lock(adapter)) { + dev_err(&adapter->pdev->dev, + "%s: failed to acquire lock. addr offset 0x%x\n", + __func__, (u32)offset); + return; + } + + data = QLCRD32(adapter, (u32) offset, &ret); + qlcnic_api_unlock(adapter); + + if (ret == -EIO) { + dev_err(&adapter->pdev->dev, + "%s: failed. addr offset 0x%x\n", + __func__, (u32)offset); + return; + } + memcpy(buf, &data, size); +} + +void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + u32 data; + + memcpy(&data, buf, size); + qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data); +} + +int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int status; + + status = qlcnic_83xx_get_port_config(adapter); + if (status) { + dev_err(&adapter->pdev->dev, + "Get Port Info failed\n"); + } else { + + if (ahw->port_config & QLC_83XX_10G_CAPABLE) { + ahw->port_type = QLCNIC_XGBE; + } else if (ahw->port_config & QLC_83XX_10_CAPABLE || + ahw->port_config & QLC_83XX_100_CAPABLE || + ahw->port_config & QLC_83XX_1G_CAPABLE) { + ahw->port_type = QLCNIC_GBE; + } else { + ahw->port_type = QLCNIC_XGBE; + } + + if (QLC_83XX_AUTONEG(ahw->port_config)) + ahw->link_autoneg = AUTONEG_ENABLE; + + } + return status; +} + +static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u16 act_pci_fn = ahw->total_nic_func; + u16 count; + + ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT; + if (act_pci_fn <= 2) + count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) / + act_pci_fn; + else + count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) / + act_pci_fn; + ahw->max_uc_count = count; +} + +void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter) +{ + u32 val; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8); + else + val = BIT_2; + + QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val); + qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); +} + +void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter, + const struct pci_device_id *ent) +{ + u32 op_mode, priv_level; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + ahw->fw_hal_version = 2; + qlcnic_get_func_no(adapter); + + if (qlcnic_sriov_vf_check(adapter)) { + qlcnic_sriov_vf_set_ops(adapter); + return; + } + + /* Determine function privilege level */ + op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); + if (op_mode == QLC_83XX_DEFAULT_OPMODE) + priv_level = QLCNIC_MGMT_FUNC; + else + priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, + ahw->pci_func); + + if (priv_level == QLCNIC_NON_PRIV_FUNC) { + ahw->op_mode = QLCNIC_NON_PRIV_FUNC; + dev_info(&adapter->pdev->dev, + "HAL Version: %d Non Privileged function\n", + ahw->fw_hal_version); + adapter->nic_ops = &qlcnic_vf_ops; + } else { + if (pci_find_ext_capability(adapter->pdev, + PCI_EXT_CAP_ID_SRIOV)) + set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state); + adapter->nic_ops = &qlcnic_83xx_ops; + } +} + +static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, + u32 data[]); +static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, + u32 data[]); + +void qlcnic_dump_mbx(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + int i; + + if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) + return; + + dev_info(&adapter->pdev->dev, + "Host MBX regs(%d)\n", cmd->req.num); + for (i = 0; i < cmd->req.num; i++) { + if (i && !(i % 8)) + pr_info("\n"); + pr_info("%08x ", cmd->req.arg[i]); + } + pr_info("\n"); + dev_info(&adapter->pdev->dev, + "FW MBX regs(%d)\n", cmd->rsp.num); + for (i = 0; i < cmd->rsp.num; i++) { + if (i && !(i % 8)) + pr_info("\n"); + pr_info("%08x ", cmd->rsp.arg[i]); + } + pr_info("\n"); +} + +static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int opcode = LSW(cmd->req.arg[0]); + unsigned long max_loops; + + max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP; + + for (; max_loops; max_loops--) { + if (atomic_read(&cmd->rsp_status) == + QLC_83XX_MBX_RESPONSE_ARRIVED) + return; + + udelay(1); + } + + dev_err(&adapter->pdev->dev, + "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode); + flush_workqueue(ahw->mailbox->work_q); + return; +} + +int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + struct qlcnic_hardware_context *ahw = adapter->ahw; + int cmd_type, err, opcode; + unsigned long timeout; + + if (!mbx) + return -EIO; + + opcode = LSW(cmd->req.arg[0]); + cmd_type = cmd->type; + err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout); + if (err) { + dev_err(&adapter->pdev->dev, + "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, opcode, cmd->type, ahw->pci_func, + ahw->op_mode); + return err; + } + + switch (cmd_type) { + case QLC_83XX_MBX_CMD_WAIT: + if (!wait_for_completion_timeout(&cmd->completion, timeout)) { + dev_err(&adapter->pdev->dev, + "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, opcode, cmd_type, ahw->pci_func, + ahw->op_mode); + flush_workqueue(mbx->work_q); + } + break; + case QLC_83XX_MBX_CMD_NO_WAIT: + return 0; + case QLC_83XX_MBX_CMD_BUSY_WAIT: + qlcnic_83xx_poll_for_mbx_completion(adapter, cmd); + break; + default: + dev_err(&adapter->pdev->dev, + "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, opcode, cmd_type, ahw->pci_func, + ahw->op_mode); + qlcnic_83xx_detach_mailbox_work(adapter); + } + + return cmd->rsp_opcode; +} + +int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, + struct qlcnic_adapter *adapter, u32 type) +{ + int i, size; + u32 temp; + const struct qlcnic_mailbox_metadata *mbx_tbl; + + memset(mbx, 0, sizeof(struct qlcnic_cmd_args)); + mbx_tbl = qlcnic_83xx_mbx_tbl; + size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl); + for (i = 0; i < size; i++) { + if (type == mbx_tbl[i].cmd) { + mbx->op_type = QLC_83XX_FW_MBX_CMD; + mbx->req.num = mbx_tbl[i].in_args; + mbx->rsp.num = mbx_tbl[i].out_args; + mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), + GFP_ATOMIC); + if (!mbx->req.arg) + return -ENOMEM; + mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), + GFP_ATOMIC); + if (!mbx->rsp.arg) { + kfree(mbx->req.arg); + mbx->req.arg = NULL; + return -ENOMEM; + } + temp = adapter->ahw->fw_hal_version << 29; + mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp); + mbx->cmd_op = type; + return 0; + } + } + + dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n", + __func__, type); + return -EINVAL; +} + +void qlcnic_83xx_idc_aen_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter; + struct qlcnic_cmd_args cmd; + int i, err = 0; + + adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work); + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK); + if (err) + return; + + for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++) + cmd.req.arg[i] = adapter->ahw->mbox_aen[i]; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_info(&adapter->pdev->dev, + "%s: Mailbox IDC ACK failed.\n", __func__); + qlcnic_free_mbx_args(&cmd); +} + +static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, + u32 data[]) +{ + dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n", + QLCNIC_MBX_RSP(data[0])); + clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status); + return; +} + +static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 event[QLC_83XX_MBX_AEN_CNT]; + int i; + + for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) + event[i] = readl(QLCNIC_MBX_FW(ahw, i)); + + switch (QLCNIC_MBX_RSP(event[0])) { + + case QLCNIC_MBX_LINK_EVENT: + qlcnic_83xx_handle_link_aen(adapter, event); + break; + case QLCNIC_MBX_COMP_EVENT: + qlcnic_83xx_handle_idc_comp_aen(adapter, event); + break; + case QLCNIC_MBX_REQUEST_EVENT: + for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) + adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]); + queue_delayed_work(adapter->qlcnic_wq, + &adapter->idc_aen_work, 0); + break; + case QLCNIC_MBX_TIME_EXTEND_EVENT: + ahw->extend_lb_time = event[1] >> 8 & 0xf; + break; + case QLCNIC_MBX_BC_EVENT: + qlcnic_sriov_handle_bc_event(adapter, event[1]); + break; + case QLCNIC_MBX_SFP_INSERT_EVENT: + dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n", + QLCNIC_MBX_RSP(event[0])); + break; + case QLCNIC_MBX_SFP_REMOVE_EVENT: + dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n", + QLCNIC_MBX_RSP(event[0])); + break; + case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT: + qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]); + break; + default: + dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n", + QLCNIC_MBX_RSP(event[0])); + break; + } + + QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); +} + +static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) +{ + u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + unsigned long flags; + + spin_lock_irqsave(&mbx->aen_lock, flags); + resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL); + if (resp & QLCNIC_SET_OWNER) { + event = readl(QLCNIC_MBX_FW(ahw, 0)); + if (event & QLCNIC_MBX_ASYNC_EVENT) { + __qlcnic_83xx_process_aen(adapter); + } else { + if (mbx->rsp_status != rsp_status) + qlcnic_83xx_notify_mbx_response(mbx); + } + } + spin_unlock_irqrestore(&mbx->aen_lock, flags); +} + +static void qlcnic_83xx_mbx_poll_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter; + + adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work); + + if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) + return; + + qlcnic_83xx_process_aen(adapter); + queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, + (HZ / 10)); +} + +void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter) +{ + if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) + return; + + INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work); + queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0); +} + +void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter) +{ + if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) + return; + cancel_delayed_work_sync(&adapter->mbx_poll_work); +} + +static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter) +{ + int index, i, err, sds_mbx_size; + u32 *buf, intrpt_id, intr_mask; + u16 context_id; + u8 num_sds; + struct qlcnic_cmd_args cmd; + struct qlcnic_host_sds_ring *sds; + struct qlcnic_sds_mbx sds_mbx; + struct qlcnic_add_rings_mbx_out *mbx_out; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + sds_mbx_size = sizeof(struct qlcnic_sds_mbx); + context_id = recv_ctx->context_id; + num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS; + err = ahw->hw_ops->alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_ADD_RCV_RINGS); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to alloc mbx args %d\n", err); + return err; + } + + cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16); + + /* set up status rings, mbx 2-81 */ + index = 2; + for (i = 8; i < adapter->drv_sds_rings; i++) { + memset(&sds_mbx, 0, sds_mbx_size); + sds = &recv_ctx->sds_rings[i]; + sds->consumer = 0; + memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); + sds_mbx.phy_addr_low = LSD(sds->phys_addr); + sds_mbx.phy_addr_high = MSD(sds->phys_addr); + sds_mbx.sds_ring_size = sds->num_desc; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + intrpt_id = ahw->intr_tbl[i].id; + else + intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); + + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) + sds_mbx.intrpt_id = intrpt_id; + else + sds_mbx.intrpt_id = 0xffff; + sds_mbx.intrpt_val = 0; + buf = &cmd.req.arg[index]; + memcpy(buf, &sds_mbx, sds_mbx_size); + index += sds_mbx_size / sizeof(u32); + } + + /* send the mailbox command */ + err = ahw->hw_ops->mbx_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to add rings %d\n", err); + goto out; + } + + mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1]; + index = 0; + /* status descriptor ring */ + for (i = 8; i < adapter->drv_sds_rings; i++) { + sds = &recv_ctx->sds_rings[i]; + sds->crb_sts_consumer = ahw->pci_base0 + + mbx_out->host_csmr[index]; + if (adapter->flags & QLCNIC_MSIX_ENABLED) + intr_mask = ahw->intr_tbl[i].src; + else + intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); + + sds->crb_intr_mask = ahw->pci_base0 + intr_mask; + index++; + } +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter) +{ + int err; + u32 temp = 0; + struct qlcnic_cmd_args cmd; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) + return; + + if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) + cmd.req.arg[0] |= (0x3 << 29); + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp); + + cmd.req.arg[1] = recv_ctx->context_id | temp; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to destroy rx ctx in firmware\n"); + + recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; + qlcnic_free_mbx_args(&cmd); +} + +int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter) +{ + int i, err, index, sds_mbx_size, rds_mbx_size; + u8 num_sds, num_rds; + u32 *buf, intrpt_id, intr_mask, cap = 0; + struct qlcnic_host_sds_ring *sds; + struct qlcnic_host_rds_ring *rds; + struct qlcnic_sds_mbx sds_mbx; + struct qlcnic_rds_mbx rds_mbx; + struct qlcnic_cmd_args cmd; + struct qlcnic_rcv_mbx_out *mbx_out; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_hardware_context *ahw = adapter->ahw; + num_rds = adapter->max_rds_rings; + + if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS) + num_sds = adapter->drv_sds_rings; + else + num_sds = QLCNIC_MAX_SDS_RINGS; + + sds_mbx_size = sizeof(struct qlcnic_sds_mbx); + rds_mbx_size = sizeof(struct qlcnic_rds_mbx); + cap = QLCNIC_CAP0_LEGACY_CONTEXT; + + if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) + cap |= QLC_83XX_FW_CAP_LRO_MSS; + + /* set mailbox hdr and capabilities */ + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_CREATE_RX_CTX); + if (err) + return err; + + if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) + cmd.req.arg[0] |= (0x3 << 29); + + cmd.req.arg[1] = cap; + cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) | + (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16); + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_pf_set_interface_id_create_rx_ctx(adapter, + &cmd.req.arg[6]); + /* set up status rings, mbx 8-57/87 */ + index = QLC_83XX_HOST_SDS_MBX_IDX; + for (i = 0; i < num_sds; i++) { + memset(&sds_mbx, 0, sds_mbx_size); + sds = &recv_ctx->sds_rings[i]; + sds->consumer = 0; + memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); + sds_mbx.phy_addr_low = LSD(sds->phys_addr); + sds_mbx.phy_addr_high = MSD(sds->phys_addr); + sds_mbx.sds_ring_size = sds->num_desc; + if (adapter->flags & QLCNIC_MSIX_ENABLED) + intrpt_id = ahw->intr_tbl[i].id; + else + intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) + sds_mbx.intrpt_id = intrpt_id; + else + sds_mbx.intrpt_id = 0xffff; + sds_mbx.intrpt_val = 0; + buf = &cmd.req.arg[index]; + memcpy(buf, &sds_mbx, sds_mbx_size); + index += sds_mbx_size / sizeof(u32); + } + /* set up receive rings, mbx 88-111/135 */ + index = QLCNIC_HOST_RDS_MBX_IDX; + rds = &recv_ctx->rds_rings[0]; + rds->producer = 0; + memset(&rds_mbx, 0, rds_mbx_size); + rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr); + rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr); + rds_mbx.reg_ring_sz = rds->dma_size; + rds_mbx.reg_ring_len = rds->num_desc; + /* Jumbo ring */ + rds = &recv_ctx->rds_rings[1]; + rds->producer = 0; + rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr); + rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr); + rds_mbx.jmb_ring_sz = rds->dma_size; + rds_mbx.jmb_ring_len = rds->num_desc; + buf = &cmd.req.arg[index]; + memcpy(buf, &rds_mbx, rds_mbx_size); + + /* send the mailbox command */ + err = ahw->hw_ops->mbx_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to create Rx ctx in firmware%d\n", err); + goto out; + } + mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1]; + recv_ctx->context_id = mbx_out->ctx_id; + recv_ctx->state = mbx_out->state; + recv_ctx->virt_port = mbx_out->vport_id; + dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n", + recv_ctx->context_id, recv_ctx->state); + /* Receive descriptor ring */ + /* Standard ring */ + rds = &recv_ctx->rds_rings[0]; + rds->crb_rcv_producer = ahw->pci_base0 + + mbx_out->host_prod[0].reg_buf; + /* Jumbo ring */ + rds = &recv_ctx->rds_rings[1]; + rds->crb_rcv_producer = ahw->pci_base0 + + mbx_out->host_prod[0].jmb_buf; + /* status descriptor ring */ + for (i = 0; i < num_sds; i++) { + sds = &recv_ctx->sds_rings[i]; + sds->crb_sts_consumer = ahw->pci_base0 + + mbx_out->host_csmr[i]; + if (adapter->flags & QLCNIC_MSIX_ENABLED) + intr_mask = ahw->intr_tbl[i].src; + else + intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); + sds->crb_intr_mask = ahw->pci_base0 + intr_mask; + } + + if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS) + err = qlcnic_83xx_add_rings(adapter); +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + struct qlcnic_cmd_args cmd; + u32 temp = 0; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) + return; + + if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) + cmd.req.arg[0] |= (0x3 << 29); + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp); + + cmd.req.arg[1] = tx_ring->ctx_id | temp; + if (qlcnic_issue_cmd(adapter, &cmd)) + dev_err(&adapter->pdev->dev, + "Failed to destroy tx ctx in firmware\n"); + qlcnic_free_mbx_args(&cmd); +} + +int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx, int ring) +{ + int err; + u16 msix_id; + u32 *buf, intr_mask, temp = 0; + struct qlcnic_cmd_args cmd; + struct qlcnic_tx_mbx mbx; + struct qlcnic_tx_mbx_out *mbx_out; + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 msix_vector; + + /* Reset host resources */ + tx->producer = 0; + tx->sw_consumer = 0; + *(tx->hw_consumer) = 0; + + memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx)); + + /* setup mailbox inbox registerss */ + mbx.phys_addr_low = LSD(tx->phys_addr); + mbx.phys_addr_high = MSD(tx->phys_addr); + mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr); + mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr); + mbx.size = tx->num_desc; + if (adapter->flags & QLCNIC_MSIX_ENABLED) { + if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) + msix_vector = adapter->drv_sds_rings + ring; + else + msix_vector = adapter->drv_sds_rings - 1; + msix_id = ahw->intr_tbl[msix_vector].id; + } else { + msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); + } + + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) + mbx.intr_id = msix_id; + else + mbx.intr_id = 0xffff; + mbx.src = 0; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); + if (err) + return err; + + if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) + cmd.req.arg[0] |= (0x3 << 29); + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp); + + cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT; + cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp; + + buf = &cmd.req.arg[6]; + memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx)); + /* send the mailbox command*/ + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + netdev_err(adapter->netdev, + "Failed to create Tx ctx in firmware 0x%x\n", err); + goto out; + } + mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2]; + tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod; + tx->ctx_id = mbx_out->ctx_id; + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { + intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src; + tx->crb_intr_mask = ahw->pci_base0 + intr_mask; + } + netdev_info(adapter->netdev, + "Tx Context[0x%x] Created, state:0x%x\n", + tx->ctx_id, mbx_out->state); +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test, + u8 num_sds_ring) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_rds_ring *rds_ring; + u16 adapter_state = adapter->is_up; + u8 ring; + int ret; + + netif_device_detach(netdev); + + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + qlcnic_detach(adapter); + + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; + adapter->ahw->diag_test = test; + adapter->ahw->linkup = 0; + + ret = qlcnic_attach(adapter); + if (ret) { + netif_device_attach(netdev); + return ret; + } + + ret = qlcnic_fw_create_ctx(adapter); + if (ret) { + qlcnic_detach(adapter); + if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) { + adapter->drv_sds_rings = num_sds_ring; + qlcnic_attach(adapter); + } + netif_device_attach(netdev); + return ret; + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx->rds_rings[ring]; + qlcnic_post_rx_buffers(adapter, rds_ring, ring); + } + + if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &adapter->recv_ctx->sds_rings[ring]; + qlcnic_enable_sds_intr(adapter, sds_ring); + } + } + + if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { + adapter->ahw->loopback_state = 0; + adapter->ahw->hw_ops->setup_link_event(adapter, 1); + } + + set_bit(__QLCNIC_DEV_UP, &adapter->state); + return 0; +} + +static void qlcnic_83xx_diag_free_res(struct net_device *netdev, + u8 drv_sds_rings) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_host_sds_ring *sds_ring; + int ring; + + clear_bit(__QLCNIC_DEV_UP, &adapter->state); + if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &adapter->recv_ctx->sds_rings[ring]; + if (adapter->flags & QLCNIC_MSIX_ENABLED) + qlcnic_disable_sds_intr(adapter, sds_ring); + } + } + + qlcnic_fw_destroy_ctx(adapter); + qlcnic_detach(adapter); + + adapter->ahw->diag_test = 0; + adapter->drv_sds_rings = drv_sds_rings; + + if (qlcnic_attach(adapter)) + goto out; + + if (netif_running(netdev)) + __qlcnic_up(adapter, netdev); + +out: + netif_device_attach(netdev); +} + +static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + u8 beacon_state; + int err = 0; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG); + if (!err) { + err = qlcnic_issue_cmd(adapter, &cmd); + if (!err) { + beacon_state = cmd.rsp.arg[4]; + if (beacon_state == QLCNIC_BEACON_DISABLE) + ahw->beacon_state = QLC_83XX_BEACON_OFF; + else if (beacon_state == QLC_83XX_ENABLE_BEACON) + ahw->beacon_state = QLC_83XX_BEACON_ON; + } + } else { + netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n", + err); + } + + qlcnic_free_mbx_args(&cmd); + + return; +} + +int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state, + u32 beacon) +{ + struct qlcnic_cmd_args cmd; + u32 mbx_in; + int i, status = 0; + + if (state) { + /* Get LED configuration */ + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_GET_LED_CONFIG); + if (status) + return status; + + status = qlcnic_issue_cmd(adapter, &cmd); + if (status) { + dev_err(&adapter->pdev->dev, + "Get led config failed.\n"); + goto mbx_err; + } else { + for (i = 0; i < 4; i++) + adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1]; + } + qlcnic_free_mbx_args(&cmd); + /* Set LED Configuration */ + mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) | + LSW(QLC_83XX_LED_CONFIG); + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_SET_LED_CONFIG); + if (status) + return status; + + cmd.req.arg[1] = mbx_in; + cmd.req.arg[2] = mbx_in; + cmd.req.arg[3] = mbx_in; + if (beacon) + cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON; + status = qlcnic_issue_cmd(adapter, &cmd); + if (status) { + dev_err(&adapter->pdev->dev, + "Set led config failed.\n"); + } +mbx_err: + qlcnic_free_mbx_args(&cmd); + return status; + + } else { + /* Restoring default LED configuration */ + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_SET_LED_CONFIG); + if (status) + return status; + + cmd.req.arg[1] = adapter->ahw->mbox_reg[0]; + cmd.req.arg[2] = adapter->ahw->mbox_reg[1]; + cmd.req.arg[3] = adapter->ahw->mbox_reg[2]; + if (beacon) + cmd.req.arg[4] = adapter->ahw->mbox_reg[3]; + status = qlcnic_issue_cmd(adapter, &cmd); + if (status) + dev_err(&adapter->pdev->dev, + "Restoring led config failed.\n"); + qlcnic_free_mbx_args(&cmd); + return status; + } +} + +int qlcnic_83xx_set_led(struct net_device *netdev, + enum ethtool_phys_id_state state) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err = -EIO, active = 1; + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + netdev_warn(netdev, + "LED test is not supported in non-privileged mode\n"); + return -EOPNOTSUPP; + } + + switch (state) { + case ETHTOOL_ID_ACTIVE: + if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) + return -EBUSY; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + break; + + err = qlcnic_83xx_config_led(adapter, active, 0); + if (err) + netdev_err(netdev, "Failed to set LED blink state\n"); + break; + case ETHTOOL_ID_INACTIVE: + active = 0; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + break; + + err = qlcnic_83xx_config_led(adapter, active, 0); + if (err) + netdev_err(netdev, "Failed to reset LED blink state\n"); + break; + + default: + return -EINVAL; + } + + if (!active || err) + clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); + + return err; +} + +void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_cmd_args cmd; + int status; + + if (qlcnic_sriov_vf_check(adapter)) + return; + + if (enable) + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_INIT_NIC_FUNC); + else + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_STOP_NIC_FUNC); + + if (status) + return; + + cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES; + + if (adapter->dcb) + cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN; + + status = qlcnic_issue_cmd(adapter, &cmd); + if (status) + dev_err(&adapter->pdev->dev, + "Failed to %s in NIC IDC function event.\n", + (enable ? "register" : "unregister")); + + qlcnic_free_mbx_args(&cmd); +} + +static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter) +{ + struct qlcnic_cmd_args cmd; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG); + if (err) + return err; + + cmd.req.arg[1] = adapter->ahw->port_config; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_info(&adapter->pdev->dev, "Set Port Config failed.\n"); + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter) +{ + struct qlcnic_cmd_args cmd; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG); + if (err) + return err; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_info(&adapter->pdev->dev, "Get Port config failed\n"); + else + adapter->ahw->port_config = cmd.rsp.arg[1]; + qlcnic_free_mbx_args(&cmd); + return err; +} + +int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable) +{ + int err; + u32 temp; + struct qlcnic_cmd_args cmd; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT); + if (err) + return err; + + temp = adapter->recv_ctx->context_id << 16; + cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_info(&adapter->pdev->dev, + "Setup linkevent mailbox failed\n"); + qlcnic_free_mbx_args(&cmd); + return err; +} + +static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter, + u32 *interface_id) +{ + if (qlcnic_sriov_pf_check(adapter)) { + qlcnic_alloc_lb_filters_mem(adapter); + qlcnic_pf_set_interface_id_promisc(adapter, interface_id); + adapter->rx_mac_learn = true; + } else { + if (!qlcnic_sriov_vf_check(adapter)) + *interface_id = adapter->recv_ctx->context_id << 16; + } +} + +int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) +{ + struct qlcnic_cmd_args *cmd = NULL; + u32 temp = 0; + int err; + + if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) + return -EIO; + + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (!cmd) + return -ENOMEM; + + err = qlcnic_alloc_mbx_args(cmd, adapter, + QLCNIC_CMD_CONFIGURE_MAC_RX_MODE); + if (err) + goto out; + + cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; + qlcnic_83xx_set_interface_id_promisc(adapter, &temp); + + if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter)) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + + cmd->req.arg[1] = mode | temp; + err = qlcnic_issue_cmd(adapter, cmd); + if (!err) + return err; + + qlcnic_free_mbx_args(cmd); + +out: + kfree(cmd); + return err; +} + +int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + u8 drv_sds_rings = adapter->drv_sds_rings; + u8 drv_tx_rings = adapter->drv_tx_rings; + int ret = 0, loop = 0; + + if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + netdev_warn(netdev, + "Loopback test not supported in non privileged mode\n"); + return -ENOTSUPP; + } + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, "Device is resetting\n"); + return -EBUSY; + } + + if (qlcnic_get_diag_lock(adapter)) { + netdev_info(netdev, "Device is in diagnostics mode\n"); + return -EBUSY; + } + + netdev_info(netdev, "%s loopback test in progress\n", + mode == QLCNIC_ILB_MODE ? "internal" : "external"); + + ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST, + drv_sds_rings); + if (ret) + goto fail_diag_alloc; + + ret = qlcnic_83xx_set_lb_mode(adapter, mode); + if (ret) + goto free_diag_res; + + /* Poll for link up event before running traffic */ + do { + msleep(QLC_83XX_LB_MSLEEP_COUNT); + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + ret = -EBUSY; + goto free_diag_res; + } + if (loop++ > QLC_83XX_LB_WAIT_COUNT) { + netdev_info(netdev, + "Firmware didn't sent link up event to loopback request\n"); + ret = -ETIMEDOUT; + qlcnic_83xx_clear_lb_mode(adapter, mode); + goto free_diag_res; + } + } while ((adapter->ahw->linkup && ahw->has_link_events) != 1); + + ret = qlcnic_do_lb_test(adapter, mode); + + qlcnic_83xx_clear_lb_mode(adapter, mode); + +free_diag_res: + qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); + +fail_diag_alloc: + adapter->drv_sds_rings = drv_sds_rings; + adapter->drv_tx_rings = drv_tx_rings; + qlcnic_release_diag_lock(adapter); + return ret; +} + +static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter, + u32 *max_wait_count) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int temp; + + netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n", + ahw->extend_lb_time); + temp = ahw->extend_lb_time * 1000; + *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT; + ahw->extend_lb_time = 0; +} + +static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct net_device *netdev = adapter->netdev; + u32 config, max_wait_count; + int status = 0, loop = 0; + + ahw->extend_lb_time = 0; + max_wait_count = QLC_83XX_LB_WAIT_COUNT; + status = qlcnic_83xx_get_port_config(adapter); + if (status) + return status; + + config = ahw->port_config; + + /* Check if port is already in loopback mode */ + if ((config & QLC_83XX_CFG_LOOPBACK_HSS) || + (config & QLC_83XX_CFG_LOOPBACK_EXT)) { + netdev_err(netdev, + "Port already in Loopback mode.\n"); + return -EINPROGRESS; + } + + set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + + if (mode == QLCNIC_ILB_MODE) + ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS; + if (mode == QLCNIC_ELB_MODE) + ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT; + + status = qlcnic_83xx_set_port_config(adapter); + if (status) { + netdev_err(netdev, + "Failed to Set Loopback Mode = 0x%x.\n", + ahw->port_config); + ahw->port_config = config; + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return status; + } + + /* Wait for Link and IDC Completion AEN */ + do { + msleep(QLC_83XX_LB_MSLEEP_COUNT); + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return -EBUSY; + } + + if (ahw->extend_lb_time) + qlcnic_extend_lb_idc_cmpltn_wait(adapter, + &max_wait_count); + + if (loop++ > max_wait_count) { + netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", + __func__); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + qlcnic_83xx_clear_lb_mode(adapter, mode); + return -ETIMEDOUT; + } + } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); + + qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, + QLCNIC_MAC_ADD); + return status; +} + +static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 config = ahw->port_config, max_wait_count; + struct net_device *netdev = adapter->netdev; + int status = 0, loop = 0; + + ahw->extend_lb_time = 0; + max_wait_count = QLC_83XX_LB_WAIT_COUNT; + set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + if (mode == QLCNIC_ILB_MODE) + ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS; + if (mode == QLCNIC_ELB_MODE) + ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT; + + status = qlcnic_83xx_set_port_config(adapter); + if (status) { + netdev_err(netdev, + "Failed to Clear Loopback Mode = 0x%x.\n", + ahw->port_config); + ahw->port_config = config; + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return status; + } + + /* Wait for Link and IDC Completion AEN */ + do { + msleep(QLC_83XX_LB_MSLEEP_COUNT); + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return -EBUSY; + } + + if (ahw->extend_lb_time) + qlcnic_extend_lb_idc_cmpltn_wait(adapter, + &max_wait_count); + + if (loop++ > max_wait_count) { + netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", + __func__); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return -ETIMEDOUT; + } + } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); + + qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, + QLCNIC_MAC_DEL); + return status; +} + +static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, + u32 *interface_id) +{ + if (qlcnic_sriov_pf_check(adapter)) { + qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id); + } else { + if (!qlcnic_sriov_vf_check(adapter)) + *interface_id = adapter->recv_ctx->context_id << 16; + } +} + +void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, + int mode) +{ + int err; + u32 temp = 0, temp_ip; + struct qlcnic_cmd_args cmd; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_CONFIGURE_IP_ADDR); + if (err) + return; + + qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp); + + if (mode == QLCNIC_IP_UP) + cmd.req.arg[1] = 1 | temp; + else + cmd.req.arg[1] = 2 | temp; + + /* + * Adapter needs IP address in network byte order. + * But hardware mailbox registers go through writel(), hence IP address + * gets swapped on big endian architecture. + * To negate swapping of writel() on big endian architecture + * use swab32(value). + */ + + temp_ip = swab32(ntohl(ip)); + memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32)); + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) + dev_err(&adapter->netdev->dev, + "could not notify %s IP 0x%x request\n", + (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip); + + qlcnic_free_mbx_args(&cmd); +} + +int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode) +{ + int err; + u32 temp, arg1; + struct qlcnic_cmd_args cmd; + int lro_bit_mask; + + lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0); + + if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) + return 0; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO); + if (err) + return err; + + temp = adapter->recv_ctx->context_id << 16; + arg1 = lro_bit_mask | temp; + cmd.req.arg[1] = arg1; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_info(&adapter->pdev->dev, "LRO config failed\n"); + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable) +{ + int err; + u32 word; + struct qlcnic_cmd_args cmd; + const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, + 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, + 0x255b0ec26d5a56daULL }; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS); + if (err) + return err; + /* + * RSS request: + * bits 3-0: Rsvd + * 5-4: hash_type_ipv4 + * 7-6: hash_type_ipv6 + * 8: enable + * 9: use indirection table + * 16-31: indirection table mask + */ + word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | + ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | + ((u32)(enable & 0x1) << 8) | + ((0x7ULL) << 16); + cmd.req.arg[1] = (adapter->recv_ctx->context_id); + cmd.req.arg[2] = word; + memcpy(&cmd.req.arg[4], key, sizeof(key)); + + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err) + dev_info(&adapter->pdev->dev, "RSS config failed\n"); + qlcnic_free_mbx_args(&cmd); + + return err; + +} + +static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter, + u32 *interface_id) +{ + if (qlcnic_sriov_pf_check(adapter)) { + qlcnic_pf_set_interface_id_macaddr(adapter, interface_id); + } else { + if (!qlcnic_sriov_vf_check(adapter)) + *interface_id = adapter->recv_ctx->context_id << 16; + } +} + +int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, + u16 vlan_id, u8 op) +{ + struct qlcnic_cmd_args *cmd = NULL; + struct qlcnic_macvlan_mbx mv; + u32 *buf, temp = 0; + int err; + + if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) + return -EIO; + + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (!cmd) + return -ENOMEM; + + err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); + if (err) + goto out; + + cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; + + if (vlan_id) + op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? + QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; + + cmd->req.arg[1] = op | (1 << 8); + qlcnic_83xx_set_interface_id_macaddr(adapter, &temp); + cmd->req.arg[1] |= temp; + mv.vlan = vlan_id; + mv.mac_addr0 = addr[0]; + mv.mac_addr1 = addr[1]; + mv.mac_addr2 = addr[2]; + mv.mac_addr3 = addr[3]; + mv.mac_addr4 = addr[4]; + mv.mac_addr5 = addr[5]; + buf = &cmd->req.arg[2]; + memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); + err = qlcnic_issue_cmd(adapter, cmd); + if (!err) + return err; + + qlcnic_free_mbx_args(cmd); +out: + kfree(cmd); + return err; +} + +void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr, + u16 vlan_id, + struct qlcnic_host_tx_ring *tx_ring) +{ + u8 mac[ETH_ALEN]; + memcpy(&mac, addr, ETH_ALEN); + qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD); +} + +static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac, + u8 type, struct qlcnic_cmd_args *cmd) +{ + switch (type) { + case QLCNIC_SET_STATION_MAC: + case QLCNIC_SET_FAC_DEF_MAC: + memcpy(&cmd->req.arg[2], mac, sizeof(u32)); + memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16)); + break; + } + cmd->req.arg[1] = type; +} + +int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, + u8 function) +{ + int err, i; + struct qlcnic_cmd_args cmd; + u32 mac_low, mac_high; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); + if (err) + return err; + + qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd); + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err == QLCNIC_RCODE_SUCCESS) { + mac_low = cmd.rsp.arg[1]; + mac_high = cmd.rsp.arg[2]; + + for (i = 0; i < 2; i++) + mac[i] = (u8) (mac_high >> ((1 - i) * 8)); + for (i = 2; i < 6; i++) + mac[i] = (u8) (mac_low >> ((5 - i) * 8)); + } else { + dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n", + err); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + struct qlcnic_cmd_args cmd; + u16 temp; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); + if (err) + return err; + + temp = adapter->recv_ctx->context_id; + cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; + temp = coal->rx_time_us; + cmd.req.arg[2] = coal->rx_packets | temp << 16; + cmd.req.arg[3] = coal->flag; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) + netdev_err(adapter->netdev, + "failed to set interrupt coalescing parameters\n"); + + qlcnic_free_mbx_args(&cmd); + + return err; +} + +static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + struct qlcnic_cmd_args cmd; + u16 temp; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); + if (err) + return err; + + temp = adapter->tx_ring->ctx_id; + cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; + temp = coal->tx_time_us; + cmd.req.arg[2] = coal->tx_packets | temp << 16; + cmd.req.arg[3] = coal->flag; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) + netdev_err(adapter->netdev, + "failed to set interrupt coalescing parameters\n"); + + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter) +{ + int err = 0; + + err = qlcnic_83xx_set_rx_intr_coal(adapter); + if (err) + netdev_err(adapter->netdev, + "failed to set Rx coalescing parameters\n"); + + err = qlcnic_83xx_set_tx_intr_coal(adapter); + if (err) + netdev_err(adapter->netdev, + "failed to set Tx coalescing parameters\n"); + + return err; +} + +int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + u32 rx_coalesce_usecs, rx_max_frames; + u32 tx_coalesce_usecs, tx_max_frames; + int err; + + if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) + return -EIO; + + tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; + tx_max_frames = ethcoal->tx_max_coalesced_frames; + rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; + rx_max_frames = ethcoal->rx_max_coalesced_frames; + coal->flag = QLCNIC_INTR_DEFAULT; + + if ((coal->rx_time_us == rx_coalesce_usecs) && + (coal->rx_packets == rx_max_frames)) { + coal->type = QLCNIC_INTR_COAL_TYPE_TX; + coal->tx_time_us = tx_coalesce_usecs; + coal->tx_packets = tx_max_frames; + } else if ((coal->tx_time_us == tx_coalesce_usecs) && + (coal->tx_packets == tx_max_frames)) { + coal->type = QLCNIC_INTR_COAL_TYPE_RX; + coal->rx_time_us = rx_coalesce_usecs; + coal->rx_packets = rx_max_frames; + } else { + coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX; + coal->rx_time_us = rx_coalesce_usecs; + coal->rx_packets = rx_max_frames; + coal->tx_time_us = tx_coalesce_usecs; + coal->tx_packets = tx_max_frames; + } + + switch (coal->type) { + case QLCNIC_INTR_COAL_TYPE_RX: + err = qlcnic_83xx_set_rx_intr_coal(adapter); + break; + case QLCNIC_INTR_COAL_TYPE_TX: + err = qlcnic_83xx_set_tx_intr_coal(adapter); + break; + case QLCNIC_INTR_COAL_TYPE_RX_TX: + err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); + break; + default: + err = -EINVAL; + netdev_err(adapter->netdev, + "Invalid Interrupt coalescing type\n"); + break; + } + + return err; +} + +static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, + u32 data[]) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u8 link_status, duplex; + /* link speed */ + link_status = LSB(data[3]) & 1; + if (link_status) { + ahw->link_speed = MSW(data[2]); + duplex = LSB(MSW(data[3])); + if (duplex) + ahw->link_duplex = DUPLEX_FULL; + else + ahw->link_duplex = DUPLEX_HALF; + } else { + ahw->link_speed = SPEED_UNKNOWN; + ahw->link_duplex = DUPLEX_UNKNOWN; + } + + ahw->link_autoneg = MSB(MSW(data[3])); + ahw->module_type = MSB(LSW(data[3])); + ahw->has_link_events = 1; + ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK; + qlcnic_advert_link_change(adapter, link_status); +} + +static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data) +{ + u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; + struct qlcnic_adapter *adapter = data; + struct qlcnic_mailbox *mbx; + unsigned long flags; + + mbx = adapter->ahw->mailbox; + spin_lock_irqsave(&mbx->aen_lock, flags); + resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); + if (!(resp & QLCNIC_SET_OWNER)) + goto out; + + event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); + if (event & QLCNIC_MBX_ASYNC_EVENT) { + __qlcnic_83xx_process_aen(adapter); + } else { + if (mbx->rsp_status != rsp_status) + qlcnic_83xx_notify_mbx_response(mbx); + else + adapter->stats.mbx_spurious_intr++; + } + +out: + mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); + writel(0, adapter->ahw->pci_base0 + mask); + spin_unlock_irqrestore(&mbx->aen_lock, flags); + return IRQ_HANDLED; +} + +int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *nic) +{ + int i, err = -EIO; + struct qlcnic_cmd_args cmd; + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { + dev_err(&adapter->pdev->dev, + "%s: Error, invoked by non management func\n", + __func__); + return err; + } + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); + if (err) + return err; + + cmd.req.arg[1] = (nic->pci_func << 16); + cmd.req.arg[2] = 0x1 << 16; + cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16); + cmd.req.arg[4] = nic->capabilities; + cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16); + cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16); + cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16); + for (i = 8; i < 32; i++) + cmd.req.arg[i] = 0; + + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err != QLCNIC_RCODE_SUCCESS) { + dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n", + err); + err = -EIO; + } + + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info, u8 func_id) +{ + int err; + u32 temp; + u8 op = 0; + struct qlcnic_cmd_args cmd; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); + if (err) + return err; + + if (func_id != ahw->pci_func) { + temp = func_id << 16; + cmd.req.arg[1] = op | BIT_31 | temp; + } else { + cmd.req.arg[1] = ahw->pci_func << 16; + } + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_info(&adapter->pdev->dev, + "Failed to get nic info %d\n", err); + goto out; + } + + npar_info->op_type = cmd.rsp.arg[1]; + npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF; + npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16; + npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF; + npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16; + npar_info->capabilities = cmd.rsp.arg[4]; + npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF; + npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16; + npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF; + npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16; + npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF; + npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16; + if (cmd.rsp.arg[8] & 0x1) + npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1; + if (cmd.rsp.arg[8] & 0x10000) { + temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17; + npar_info->max_linkspeed_reg_offset = temp; + } + + memcpy(ahw->extra_capability, &cmd.rsp.arg[16], + sizeof(ahw->extra_capability)); + +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type, + u16 *nic, u16 *fcoe, u16 *iscsi) +{ + struct device *dev = &adapter->pdev->dev; + int err = 0; + + switch (type) { + case QLCNIC_TYPE_NIC: + (*nic)++; + break; + case QLCNIC_TYPE_FCOE: + (*fcoe)++; + break; + case QLCNIC_TYPE_ISCSI: + (*iscsi)++; + break; + default: + dev_err(dev, "%s: Unknown PCI type[%x]\n", + __func__, type); + err = -EIO; + } + + return err; +} + +int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, + struct qlcnic_pci_info *pci_info) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct device *dev = &adapter->pdev->dev; + u16 nic = 0, fcoe = 0, iscsi = 0; + struct qlcnic_cmd_args cmd; + int i, err = 0, j = 0; + u32 temp; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); + if (err) + return err; + + err = qlcnic_issue_cmd(adapter, &cmd); + + ahw->total_nic_func = 0; + if (err == QLCNIC_RCODE_SUCCESS) { + ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF; + for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) { + pci_info->id = cmd.rsp.arg[i] & 0xFFFF; + pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; + i++; + if (!pci_info->active) { + i += QLC_SKIP_INACTIVE_PCI_REGS; + continue; + } + pci_info->type = cmd.rsp.arg[i] & 0xFFFF; + err = qlcnic_get_pci_func_type(adapter, pci_info->type, + &nic, &fcoe, &iscsi); + temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; + pci_info->default_port = temp; + i++; + pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF; + temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; + pci_info->tx_max_bw = temp; + i = i + 2; + memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2); + i++; + memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2); + i = i + 3; + } + } else { + dev_err(dev, "Failed to get PCI Info, error = %d\n", err); + err = -EIO; + } + + ahw->total_nic_func = nic; + ahw->total_pci_func = nic + fcoe + iscsi; + if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { + dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", + __func__, ahw->total_nic_func, ahw->total_pci_func); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type) +{ + int i, index, err; + u8 max_ints; + u32 val, temp, type; + struct qlcnic_cmd_args cmd; + + max_ints = adapter->ahw->num_msix - 1; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT); + if (err) + return err; + + cmd.req.arg[1] = max_ints; + + if (qlcnic_sriov_vf_check(adapter)) + cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16; + + for (i = 0, index = 2; i < max_ints; i++) { + type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; + val = type | (adapter->ahw->intr_tbl[i].type << 4); + if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) + val |= (adapter->ahw->intr_tbl[i].id << 16); + cmd.req.arg[index++] = val; + } + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to configure interrupts 0x%x\n", err); + goto out; + } + + max_ints = cmd.rsp.arg[1]; + for (i = 0, index = 2; i < max_ints; i++, index += 2) { + val = cmd.rsp.arg[index]; + if (LSB(val)) { + dev_info(&adapter->pdev->dev, + "Can't configure interrupt %d\n", + adapter->ahw->intr_tbl[i].id); + continue; + } + if (op_type) { + adapter->ahw->intr_tbl[i].id = MSW(val); + adapter->ahw->intr_tbl[i].enabled = 1; + temp = cmd.rsp.arg[index + 1]; + adapter->ahw->intr_tbl[i].src = temp; + } else { + adapter->ahw->intr_tbl[i].id = i; + adapter->ahw->intr_tbl[i].enabled = 0; + adapter->ahw->intr_tbl[i].src = 0; + } + } +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter) +{ + int id, timeout = 0; + u32 status = 0; + + while (status == 0) { + status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK); + if (status) + break; + + if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) { + id = QLC_SHARED_REG_RD32(adapter, + QLCNIC_FLASH_LOCK_OWNER); + dev_err(&adapter->pdev->dev, + "%s: failed, lock held by %d\n", __func__, id); + return -EIO; + } + usleep_range(1000, 2000); + } + + QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum); + return 0; +} + +void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter) +{ + QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK); + QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF); +} + +int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, + u32 flash_addr, u8 *p_data, + int count) +{ + u32 word, range, flash_offset, addr = flash_addr, ret; + ulong indirect_add, direct_window; + int i, err = 0; + + flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); + if (addr & 0x3) { + dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); + return -EIO; + } + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW, + (addr & 0xFFFF0000)); + + range = flash_offset + (count * sizeof(u32)); + /* Check if data is spread across multiple sectors */ + if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { + + /* Multi sector read */ + for (i = 0; i < count; i++) { + indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; + + word = ret; + *(u32 *)p_data = word; + p_data = p_data + 4; + addr = addr + 4; + flash_offset = flash_offset + 4; + + if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { + direct_window = QLC_83XX_FLASH_DIRECT_WINDOW; + /* This write is needed once for each sector */ + qlcnic_83xx_wrt_reg_indirect(adapter, + direct_window, + (addr)); + flash_offset = 0; + } + } + } else { + /* Single sector read */ + for (i = 0; i < count; i++) { + indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; + + word = ret; + *(u32 *)p_data = word; + p_data = p_data + 4; + addr = addr + 4; + } + } + + return 0; +} + +static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) +{ + u32 status; + int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; + int err = 0; + + do { + status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); + if (err == -EIO) + return err; + + if ((status & QLC_83XX_FLASH_STATUS_READY) == + QLC_83XX_FLASH_STATUS_READY) + break; + + usleep_range(1000, 1100); + } while (--retries); + + if (!retries) + return -EIO; + + return 0; +} + +int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter) +{ + int ret; + u32 cmd; + cmd = adapter->ahw->fdt.write_statusreg_cmd; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd)); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, + adapter->ahw->fdt.write_enable_bits); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) + return -EIO; + + return 0; +} + +int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) +{ + int ret; + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | + adapter->ahw->fdt.write_statusreg_cmd)); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, + adapter->ahw->fdt.write_disable_bits); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) + return -EIO; + + return 0; +} + +int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) +{ + int ret, err = 0; + u32 mfg_id; + + if (qlcnic_83xx_lock_flash(adapter)) + return -EIO; + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_READ_CTRL); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + + mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) { + qlcnic_83xx_unlock_flash(adapter); + return err; + } + + adapter->flash_mfg_id = (mfg_id & 0xFF); + qlcnic_83xx_unlock_flash(adapter); + + return 0; +} + +int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter) +{ + int count, fdt_size, ret = 0; + + fdt_size = sizeof(struct qlcnic_fdt); + count = fdt_size / sizeof(u32); + + if (qlcnic_83xx_lock_flash(adapter)) + return -EIO; + + memset(&adapter->ahw->fdt, 0, fdt_size); + ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION, + (u8 *)&adapter->ahw->fdt, + count); + qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count); + qlcnic_83xx_unlock_flash(adapter); + return ret; +} + +int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter, + u32 sector_start_addr) +{ + u32 reversed_addr, addr1, addr2, cmd; + int ret = -EIO; + + if (qlcnic_83xx_lock_flash(adapter) != 0) + return -EIO; + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_enable_flash_write(adapter); + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + dev_err(&adapter->pdev->dev, + "%s failed at %d\n", + __func__, __LINE__); + return ret; + } + } + + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + + addr1 = (sector_start_addr & 0xFF) << 16; + addr2 = (sector_start_addr & 0xFF0000) >> 16; + reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00); + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, + reversed_addr); + cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd; + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd); + else + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_OEM_ERASE_SIG); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_LAST_ERASE_MS_VAL); + + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_disable_flash_write(adapter); + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return ret; + } + } + + qlcnic_83xx_unlock_flash(adapter); + + return 0; +} + +int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr, + u32 *p_data) +{ + int ret = -EIO; + u32 addr1 = 0x00800000 | (addr >> 2); + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_LAST_ERASE_MS_VAL); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + + return 0; +} + +int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, + u32 *p_data, int count) +{ + u32 temp; + int ret = -EIO, err = 0; + + if ((count < QLC_83XX_FLASH_WRITE_MIN) || + (count > QLC_83XX_FLASH_WRITE_MAX)) { + dev_err(&adapter->pdev->dev, + "%s: Invalid word count\n", __func__); + return -EIO; + } + + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, + (temp | QLC_83XX_FLASH_SPI_CTRL)); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_ADDR_TEMP_VAL); + + /* First DWORD write */ + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_FIRST_MS_PATTERN); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + + count--; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL); + /* Second to N-1 DWORD writes */ + while (count != 1) { + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, + *p_data++); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_SECOND_MS_PATTERN); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + count--; + } + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_ADDR_TEMP_VAL | + (addr >> 2)); + /* Last DWORD write */ + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_LAST_MS_PATTERN); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s: failed at %d\n", __func__, __LINE__); + return -EIO; + } + + ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); + if (err == -EIO) + return err; + + if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { + dev_err(&adapter->pdev->dev, "%s: failed at %d\n", + __func__, __LINE__); + /* Operation failed, clear error bit */ + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + + qlcnic_83xx_wrt_reg_indirect(adapter, + QLC_83XX_FLASH_SPI_CONTROL, + (temp | QLC_83XX_FLASH_SPI_CTRL)); + } + + return 0; +} + +static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter) +{ + u32 val, id; + + val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); + + /* Check if recovery need to be performed by the calling function */ + if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) { + val = val & ~0x3F; + val = val | ((adapter->portnum << 2) | + QLC_83XX_NEED_DRV_LOCK_RECOVERY); + QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); + dev_info(&adapter->pdev->dev, + "%s: lock recovery initiated\n", __func__); + mdelay(QLC_83XX_DRV_LOCK_RECOVERY_DELAY); + val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); + id = ((val >> 2) & 0xF); + if (id == adapter->portnum) { + val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK; + val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS; + QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); + /* Force release the lock */ + QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); + /* Clear recovery bits */ + val = val & ~0x3F; + QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); + dev_info(&adapter->pdev->dev, + "%s: lock recovery completed\n", __func__); + } else { + dev_info(&adapter->pdev->dev, + "%s: func %d to resume lock recovery process\n", + __func__, id); + } + } else { + dev_info(&adapter->pdev->dev, + "%s: lock recovery initiated by other functions\n", + __func__); + } +} + +int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter) +{ + u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0; + int max_attempt = 0; + + while (status == 0) { + status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK); + if (status) + break; + + mdelay(QLC_83XX_DRV_LOCK_WAIT_DELAY); + i++; + + if (i == 1) + temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + + if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) { + val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + if (val == temp) { + id = val & 0xFF; + dev_info(&adapter->pdev->dev, + "%s: lock to be recovered from %d\n", + __func__, id); + qlcnic_83xx_recover_driver_lock(adapter); + i = 0; + max_attempt++; + } else { + dev_err(&adapter->pdev->dev, + "%s: failed to get lock\n", __func__); + return -EIO; + } + } + + /* Force exit from while loop after few attempts */ + if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) { + dev_err(&adapter->pdev->dev, + "%s: failed to get lock\n", __func__); + return -EIO; + } + } + + val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + lock_alive_counter = val >> 8; + lock_alive_counter++; + val = lock_alive_counter << 8 | adapter->portnum; + QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); + + return 0; +} + +void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter) +{ + u32 val, lock_alive_counter, id; + + val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + id = val & 0xFF; + lock_alive_counter = val >> 8; + + if (id != adapter->portnum) + dev_err(&adapter->pdev->dev, + "%s:Warning func %d is unlocking lock owned by %d\n", + __func__, adapter->portnum, id); + + val = (lock_alive_counter << 8) | 0xFF; + QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); + QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); +} + +int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, + u32 *data, u32 count) +{ + int i, j, ret = 0; + u32 temp; + + /* Check alignment */ + if (addr & 0xF) + return -EIO; + + mutex_lock(&adapter->ahw->mem_lock); + qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0); + + for (i = 0; i < count; i++, addr += 16) { + if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET, + QLCNIC_ADDR_QDR_NET_MAX)) || + (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET, + QLCNIC_ADDR_DDR_NET_MAX)))) { + mutex_unlock(&adapter->ahw->mem_lock); + return -EIO; + } + + qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr); + qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++); + qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++); + qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++); + qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++); + qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE); + qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL); + + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + /* Status check failure */ + if (j >= MAX_CTL_CHECK) { + printk_ratelimited(KERN_WARNING + "MS memory write failed\n"); + mutex_unlock(&adapter->ahw->mem_lock); + return -EIO; + } + } + + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, + u8 *p_data, int count) +{ + u32 word, addr = flash_addr, ret; + ulong indirect_addr; + int i, err = 0; + + if (qlcnic_83xx_lock_flash(adapter) != 0) + return -EIO; + + if (addr & 0x3) { + dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + + for (i = 0; i < count; i++) { + if (qlcnic_83xx_wrt_reg_indirect(adapter, + QLC_83XX_FLASH_DIRECT_WINDOW, + (addr))) { + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + + indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); + ret = QLCRD32(adapter, indirect_addr, &err); + if (err == -EIO) { + qlcnic_83xx_unlock_flash(adapter); + return err; + } + + word = ret; + *(u32 *)p_data = word; + p_data = p_data + 4; + addr = addr + 4; + } + + qlcnic_83xx_unlock_flash(adapter); + + return 0; +} + +void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + u32 config; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); + if (err) + return; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_info(&adapter->pdev->dev, + "Get Link Status Command failed: 0x%x\n", err); + goto out; + } else { + config = cmd.rsp.arg[3]; + + switch (QLC_83XX_SFP_MODULE_TYPE(config)) { + case QLC_83XX_MODULE_FIBRE_1000BASE_SX: + case QLC_83XX_MODULE_FIBRE_1000BASE_LX: + case QLC_83XX_MODULE_FIBRE_1000BASE_CX: + case QLC_83XX_MODULE_TP_1000BASE_T: + ahw->port_type = QLCNIC_GBE; + break; + default: + ahw->port_type = QLCNIC_XGBE; + } + } +out: + qlcnic_free_mbx_args(&cmd); +} + +int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter) +{ + u8 pci_func; + int err; + u32 config = 0, state; + struct qlcnic_cmd_args cmd; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (qlcnic_sriov_vf_check(adapter)) + pci_func = adapter->portnum; + else + pci_func = ahw->pci_func; + + state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func)); + if (!QLC_83xx_FUNC_VAL(state, pci_func)) { + dev_info(&adapter->pdev->dev, "link state down\n"); + return config; + } + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); + if (err) + return err; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_info(&adapter->pdev->dev, + "Get Link Status Command failed: 0x%x\n", err); + goto out; + } else { + config = cmd.rsp.arg[1]; + switch (QLC_83XX_CURRENT_LINK_SPEED(config)) { + case QLC_83XX_10M_LINK: + ahw->link_speed = SPEED_10; + break; + case QLC_83XX_100M_LINK: + ahw->link_speed = SPEED_100; + break; + case QLC_83XX_1G_LINK: + ahw->link_speed = SPEED_1000; + break; + case QLC_83XX_10G_LINK: + ahw->link_speed = SPEED_10000; + break; + default: + ahw->link_speed = 0; + break; + } + config = cmd.rsp.arg[3]; + switch (QLC_83XX_SFP_MODULE_TYPE(config)) { + case QLC_83XX_MODULE_FIBRE_10GBASE_LRM: + case QLC_83XX_MODULE_FIBRE_10GBASE_LR: + case QLC_83XX_MODULE_FIBRE_10GBASE_SR: + ahw->supported_type = PORT_FIBRE; + ahw->port_type = QLCNIC_XGBE; + break; + case QLC_83XX_MODULE_FIBRE_1000BASE_SX: + case QLC_83XX_MODULE_FIBRE_1000BASE_LX: + case QLC_83XX_MODULE_FIBRE_1000BASE_CX: + ahw->supported_type = PORT_FIBRE; + ahw->port_type = QLCNIC_GBE; + break; + case QLC_83XX_MODULE_TP_1000BASE_T: + ahw->supported_type = PORT_TP; + ahw->port_type = QLCNIC_GBE; + break; + case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP: + case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP: + case QLC_83XX_MODULE_DA_10GE_LEGACY_CP: + case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP: + ahw->supported_type = PORT_DA; + ahw->port_type = QLCNIC_XGBE; + break; + default: + ahw->supported_type = PORT_OTHER; + ahw->port_type = QLCNIC_XGBE; + } + if (config & 1) + err = 1; + } +out: + qlcnic_free_mbx_args(&cmd); + return config; +} + +int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter, + struct ethtool_link_ksettings *ecmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 config = 0; + int status = 0; + u32 supported, advertising; + + if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { + /* Get port configuration info */ + status = qlcnic_83xx_get_port_info(adapter); + /* Get Link Status related info */ + config = qlcnic_83xx_test_link(adapter); + ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config); + } + + /* hard code until there is a way to get it from flash */ + ahw->board_type = QLCNIC_BRDTYPE_83XX_10G; + + if (netif_running(adapter->netdev) && ahw->has_link_events) { + ecmd->base.speed = ahw->link_speed; + ecmd->base.duplex = ahw->link_duplex; + ecmd->base.autoneg = ahw->link_autoneg; + } else { + ecmd->base.speed = SPEED_UNKNOWN; + ecmd->base.duplex = DUPLEX_UNKNOWN; + ecmd->base.autoneg = AUTONEG_DISABLE; + } + + supported = (SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Full | + SUPPORTED_10000baseT_Full | + SUPPORTED_Autoneg); + + ethtool_convert_link_mode_to_legacy_u32(&advertising, + ecmd->link_modes.advertising); + + if (ecmd->base.autoneg == AUTONEG_ENABLE) { + if (ahw->port_config & QLC_83XX_10_CAPABLE) + advertising |= SUPPORTED_10baseT_Full; + if (ahw->port_config & QLC_83XX_100_CAPABLE) + advertising |= SUPPORTED_100baseT_Full; + if (ahw->port_config & QLC_83XX_1G_CAPABLE) + advertising |= SUPPORTED_1000baseT_Full; + if (ahw->port_config & QLC_83XX_10G_CAPABLE) + advertising |= SUPPORTED_10000baseT_Full; + if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE) + advertising |= ADVERTISED_Autoneg; + } else { + switch (ahw->link_speed) { + case SPEED_10: + advertising = SUPPORTED_10baseT_Full; + break; + case SPEED_100: + advertising = SUPPORTED_100baseT_Full; + break; + case SPEED_1000: + advertising = SUPPORTED_1000baseT_Full; + break; + case SPEED_10000: + advertising = SUPPORTED_10000baseT_Full; + break; + default: + break; + } + + } + + switch (ahw->supported_type) { + case PORT_FIBRE: + supported |= SUPPORTED_FIBRE; + advertising |= ADVERTISED_FIBRE; + ecmd->base.port = PORT_FIBRE; + break; + case PORT_TP: + supported |= SUPPORTED_TP; + advertising |= ADVERTISED_TP; + ecmd->base.port = PORT_TP; + break; + case PORT_DA: + supported |= SUPPORTED_FIBRE; + advertising |= ADVERTISED_FIBRE; + ecmd->base.port = PORT_DA; + break; + default: + supported |= SUPPORTED_FIBRE; + advertising |= ADVERTISED_FIBRE; + ecmd->base.port = PORT_OTHER; + break; + } + ecmd->base.phy_address = ahw->physical_port; + + ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, + advertising); + + return status; +} + +int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter, + const struct ethtool_link_ksettings *ecmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 config = adapter->ahw->port_config; + int status = 0; + + /* 83xx devices do not support Half duplex */ + if (ecmd->base.duplex == DUPLEX_HALF) { + netdev_info(adapter->netdev, + "Half duplex mode not supported\n"); + return -EINVAL; + } + + if (ecmd->base.autoneg) { + ahw->port_config |= QLC_83XX_AUTONEG_ENABLE; + ahw->port_config |= (QLC_83XX_100_CAPABLE | + QLC_83XX_1G_CAPABLE | + QLC_83XX_10G_CAPABLE); + } else { /* force speed */ + ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE; + switch (ecmd->base.speed) { + case SPEED_10: + ahw->port_config &= ~(QLC_83XX_100_CAPABLE | + QLC_83XX_1G_CAPABLE | + QLC_83XX_10G_CAPABLE); + ahw->port_config |= QLC_83XX_10_CAPABLE; + break; + case SPEED_100: + ahw->port_config &= ~(QLC_83XX_10_CAPABLE | + QLC_83XX_1G_CAPABLE | + QLC_83XX_10G_CAPABLE); + ahw->port_config |= QLC_83XX_100_CAPABLE; + break; + case SPEED_1000: + ahw->port_config &= ~(QLC_83XX_10_CAPABLE | + QLC_83XX_100_CAPABLE | + QLC_83XX_10G_CAPABLE); + ahw->port_config |= QLC_83XX_1G_CAPABLE; + break; + case SPEED_10000: + ahw->port_config &= ~(QLC_83XX_10_CAPABLE | + QLC_83XX_100_CAPABLE | + QLC_83XX_1G_CAPABLE); + ahw->port_config |= QLC_83XX_10G_CAPABLE; + break; + default: + return -EINVAL; + } + } + status = qlcnic_83xx_set_port_config(adapter); + if (status) { + netdev_info(adapter->netdev, + "Failed to Set Link Speed and autoneg.\n"); + ahw->port_config = config; + } + + return status; +} + +static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd, + u64 *data, int index) +{ + u32 low, hi; + u64 val; + + low = cmd->rsp.arg[index]; + hi = cmd->rsp.arg[index + 1]; + val = (((u64) low) | (((u64) hi) << 32)); + *data++ = val; + return data; +} + +static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd, u64 *data, + int type, int *ret) +{ + int err, k, total_regs; + + *ret = 0; + err = qlcnic_issue_cmd(adapter, cmd); + if (err != QLCNIC_RCODE_SUCCESS) { + dev_info(&adapter->pdev->dev, + "Error in get statistics mailbox command\n"); + *ret = -EIO; + return data; + } + total_regs = cmd->rsp.num; + switch (type) { + case QLC_83XX_STAT_MAC: + /* fill in MAC tx counters */ + for (k = 2; k < 28; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* skip 24 bytes of reserved area */ + /* fill in MAC rx counters */ + for (k += 6; k < 60; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* skip 24 bytes of reserved area */ + /* fill in MAC rx frame stats */ + for (k += 6; k < 80; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* fill in eSwitch stats */ + for (; k < total_regs; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + break; + case QLC_83XX_STAT_RX: + for (k = 2; k < 8; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* skip 8 bytes of reserved data */ + for (k += 2; k < 24; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* skip 8 bytes containing RE1FBQ error data */ + for (k += 2; k < total_regs; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + break; + case QLC_83XX_STAT_TX: + for (k = 2; k < 10; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + /* skip 8 bytes of reserved data */ + for (k += 2; k < total_regs; k += 2) + data = qlcnic_83xx_copy_stats(cmd, data, k); + break; + default: + dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n"); + *ret = -EIO; + } + return data; +} + +void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data) +{ + struct qlcnic_cmd_args cmd; + struct net_device *netdev = adapter->netdev; + int ret = 0; + + ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS); + if (ret) + return; + /* Get Tx stats */ + cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16); + cmd.rsp.num = QLC_83XX_TX_STAT_REGS; + data = qlcnic_83xx_fill_stats(adapter, &cmd, data, + QLC_83XX_STAT_TX, &ret); + if (ret) { + netdev_err(netdev, "Error getting Tx stats\n"); + goto out; + } + /* Get MAC stats */ + cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16); + cmd.rsp.num = QLC_83XX_MAC_STAT_REGS; + memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); + data = qlcnic_83xx_fill_stats(adapter, &cmd, data, + QLC_83XX_STAT_MAC, &ret); + if (ret) { + netdev_err(netdev, "Error getting MAC stats\n"); + goto out; + } + /* Get Rx stats */ + cmd.req.arg[1] = adapter->recv_ctx->context_id << 16; + cmd.rsp.num = QLC_83XX_RX_STAT_REGS; + memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); + data = qlcnic_83xx_fill_stats(adapter, &cmd, data, + QLC_83XX_STAT_RX, &ret); + if (ret) + netdev_err(netdev, "Error getting Rx stats\n"); +out: + qlcnic_free_mbx_args(&cmd); +} + +#define QLCNIC_83XX_ADD_PORT0 BIT_0 +#define QLCNIC_83XX_ADD_PORT1 BIT_1 +#define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */ +int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter) +{ + struct qlcnic_cmd_args cmd; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP); + if (err) + return err; + + cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1); + cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE; + cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "failed to issue extend iSCSI minidump capability\n"); + + return err; +} + +int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter) +{ + u32 major, minor, sub; + + major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); + minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); + sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); + + if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) { + dev_info(&adapter->pdev->dev, "%s: Reg test failed\n", + __func__); + return 1; + } + return 0; +} + +inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter) +{ + return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) * + sizeof(*adapter->ahw->ext_reg_tbl)) + + (ARRAY_SIZE(qlcnic_83xx_reg_tbl) * + sizeof(*adapter->ahw->reg_tbl)); +} + +int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) +{ + int i, j = 0; + + for (i = QLCNIC_DEV_INFO_SIZE + 1; + j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++) + regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j); + + for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++) + regs_buff[i++] = QLCRDX(adapter->ahw, j); + return i; +} + +int qlcnic_83xx_interrupt_test(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + u8 val, drv_sds_rings = adapter->drv_sds_rings; + u8 drv_tx_rings = adapter->drv_tx_rings; + u32 data; + u16 intrpt_id, id; + int ret; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, "Device is resetting\n"); + return -EBUSY; + } + + if (qlcnic_get_diag_lock(adapter)) { + netdev_info(netdev, "Device in diagnostics mode\n"); + return -EBUSY; + } + + ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST, + drv_sds_rings); + if (ret) + goto fail_diag_irq; + + ahw->diag_cnt = 0; + ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); + if (ret) + goto fail_mbx_args; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + intrpt_id = ahw->intr_tbl[0].id; + else + intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); + + cmd.req.arg[1] = 1; + cmd.req.arg[2] = intrpt_id; + cmd.req.arg[3] = BIT_0; + + ret = qlcnic_issue_cmd(adapter, &cmd); + data = cmd.rsp.arg[2]; + id = LSW(data); + val = LSB(MSW(data)); + if (id != intrpt_id) + dev_info(&adapter->pdev->dev, + "Interrupt generated: 0x%x, requested:0x%x\n", + id, intrpt_id); + if (val) + dev_err(&adapter->pdev->dev, + "Interrupt test error: 0x%x\n", val); + if (ret) + goto done; + + msleep(20); + ret = !ahw->diag_cnt; + +done: + qlcnic_free_mbx_args(&cmd); + +fail_mbx_args: + qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); + +fail_diag_irq: + adapter->drv_sds_rings = drv_sds_rings; + adapter->drv_tx_rings = drv_tx_rings; + qlcnic_release_diag_lock(adapter); + return ret; +} + +void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter, + struct ethtool_pauseparam *pause) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int status = 0; + u32 config; + + status = qlcnic_83xx_get_port_config(adapter); + if (status) { + dev_err(&adapter->pdev->dev, + "%s: Get Pause Config failed\n", __func__); + return; + } + config = ahw->port_config; + if (config & QLC_83XX_CFG_STD_PAUSE) { + switch (MSW(config)) { + case QLC_83XX_TX_PAUSE: + pause->tx_pause = 1; + break; + case QLC_83XX_RX_PAUSE: + pause->rx_pause = 1; + break; + case QLC_83XX_TX_RX_PAUSE: + default: + /* Backward compatibility for existing + * flash definitions + */ + pause->tx_pause = 1; + pause->rx_pause = 1; + } + } + + if (QLC_83XX_AUTONEG(config)) + pause->autoneg = 1; +} + +int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, + struct ethtool_pauseparam *pause) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int status = 0; + u32 config; + + status = qlcnic_83xx_get_port_config(adapter); + if (status) { + dev_err(&adapter->pdev->dev, + "%s: Get Pause Config failed.\n", __func__); + return status; + } + config = ahw->port_config; + + if (ahw->port_type == QLCNIC_GBE) { + if (pause->autoneg) + ahw->port_config |= QLC_83XX_ENABLE_AUTONEG; + if (!pause->autoneg) + ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG; + } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) { + return -EOPNOTSUPP; + } + + if (!(config & QLC_83XX_CFG_STD_PAUSE)) + ahw->port_config |= QLC_83XX_CFG_STD_PAUSE; + + if (pause->rx_pause && pause->tx_pause) { + ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE; + } else if (pause->rx_pause && !pause->tx_pause) { + ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE; + ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE; + } else if (pause->tx_pause && !pause->rx_pause) { + ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE; + ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE; + } else if (!pause->rx_pause && !pause->tx_pause) { + ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE | + QLC_83XX_CFG_STD_PAUSE); + } + status = qlcnic_83xx_set_port_config(adapter); + if (status) { + dev_err(&adapter->pdev->dev, + "%s: Set Pause Config failed.\n", __func__); + ahw->port_config = config; + } + return status; +} + +static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) +{ + int ret, err = 0; + u32 temp; + + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, + QLC_83XX_FLASH_OEM_READ_SIG); + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, + QLC_83XX_FLASH_READ_CTRL); + ret = qlcnic_83xx_poll_flash_status_reg(adapter); + if (ret) + return -EIO; + + temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) + return err; + + return temp & 0xFF; +} + +int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) +{ + int status; + + status = qlcnic_83xx_read_flash_status_reg(adapter); + if (status == -EIO) { + dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n", + __func__); + return 1; + } + return 0; +} + +static int qlcnic_83xx_shutdown(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + qlcnic_cancel_idc_work(adapter); + + if (netif_running(netdev)) + qlcnic_down(adapter, netdev); + + qlcnic_83xx_disable_mbx_intr(adapter); + cancel_delayed_work_sync(&adapter->idc_aen_work); + + return pci_save_state(pdev); +} + +static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlc_83xx_idc *idc = &ahw->idc; + int err = 0; + + err = qlcnic_83xx_idc_init(adapter); + if (err) + return err; + + if (ahw->nic_mode == QLCNIC_VNIC_MODE) { + if (ahw->op_mode == QLCNIC_MGMT_FUNC) { + qlcnic_83xx_set_vnic_opmode(adapter); + } else { + err = qlcnic_83xx_check_vnic_state(adapter); + if (err) + return err; + } + } + + err = qlcnic_83xx_idc_reattach_driver(adapter); + if (err) + return err; + + qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, + idc->delay); + return err; +} + +void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx) +{ + reinit_completion(&mbx->completion); + set_bit(QLC_83XX_MBX_READY, &mbx->status); +} + +void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx) +{ + if (!mbx) + return; + + destroy_workqueue(mbx->work_q); + kfree(mbx); +} + +static inline void +qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED); + + if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { + qlcnic_free_mbx_args(cmd); + kfree(cmd); + return; + } + complete(&cmd->completion); +} + +static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + struct list_head *head = &mbx->cmd_q; + struct qlcnic_cmd_args *cmd = NULL; + + spin_lock_bh(&mbx->queue_lock); + + while (!list_empty(head)) { + cmd = list_entry(head->next, struct qlcnic_cmd_args, list); + dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n", + __func__, cmd->cmd_op); + list_del(&cmd->list); + mbx->num_cmds--; + qlcnic_83xx_notify_cmd_completion(adapter, cmd); + } + + spin_unlock_bh(&mbx->queue_lock); +} + +static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + u32 host_mbx_ctrl; + + if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) + return -EBUSY; + + host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL); + if (host_mbx_ctrl) { + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + ahw->idc.collect_dump = 1; + return -EIO; + } + + return 0; +} + +static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter, + u8 issue_cmd) +{ + if (issue_cmd) + QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER); + else + QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); +} + +static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + + spin_lock_bh(&mbx->queue_lock); + + list_del(&cmd->list); + mbx->num_cmds--; + + spin_unlock_bh(&mbx->queue_lock); + + qlcnic_83xx_notify_cmd_completion(adapter, cmd); +} + +static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp; + struct qlcnic_hardware_context *ahw = adapter->ahw; + int i, j; + + if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) { + mbx_cmd = cmd->req.arg[0]; + writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); + for (i = 1; i < cmd->req.num; i++) + writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i)); + } else { + fw_hal_version = ahw->fw_hal_version; + hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32); + total_size = cmd->pay_size + hdr_size; + tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16; + mbx_cmd = tmp | fw_hal_version << 29; + writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); + + /* Back channel specific operations bits */ + mbx_cmd = 0x1 | 1 << 4; + + if (qlcnic_sriov_pf_check(adapter)) + mbx_cmd |= cmd->func_num << 5; + + writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1)); + + for (i = 2, j = 0; j < hdr_size; i++, j++) + writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i)); + for (j = 0; j < cmd->pay_size; j++, i++) + writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i)); + } +} + +void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + + if (!mbx) + return; + + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + complete(&mbx->completion); + cancel_work_sync(&mbx->work); + flush_workqueue(mbx->work_q); + qlcnic_83xx_flush_mbx_queue(adapter); +} + +static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd, + unsigned long *timeout) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + + if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) { + atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT); + init_completion(&cmd->completion); + cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN; + + spin_lock_bh(&mbx->queue_lock); + + list_add_tail(&cmd->list, &mbx->cmd_q); + mbx->num_cmds++; + cmd->total_cmds = mbx->num_cmds; + *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT; + queue_work(mbx->work_q, &mbx->work); + + spin_unlock_bh(&mbx->queue_lock); + + return 0; + } + + return -EBUSY; +} + +static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + u8 mac_cmd_rcode; + u32 fw_data; + + if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) { + fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2)); + mac_cmd_rcode = (u8)fw_data; + if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE || + mac_cmd_rcode == QLC_83XX_MAC_PRESENT || + mac_cmd_rcode == QLC_83XX_MAC_ABSENT) { + cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; + return QLCNIC_RCODE_SUCCESS; + } + } + + return -EINVAL; +} + +static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct device *dev = &adapter->pdev->dev; + u8 mbx_err_code; + u32 fw_data; + + fw_data = readl(QLCNIC_MBX_FW(ahw, 0)); + mbx_err_code = QLCNIC_MBX_STATUS(fw_data); + qlcnic_83xx_get_mbx_data(adapter, cmd); + + switch (mbx_err_code) { + case QLCNIC_MBX_RSP_OK: + case QLCNIC_MBX_PORT_RSP_OK: + cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; + break; + default: + if (!qlcnic_83xx_check_mac_rcode(adapter, cmd)) + break; + + dev_err(dev, "%s: Mailbox command failed, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x, error=0x%x\n", + __func__, cmd->cmd_op, cmd->type, ahw->pci_func, + ahw->op_mode, mbx_err_code); + cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED; + qlcnic_dump_mbx(adapter, cmd); + } + + return; +} + +static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 offset; + + offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); + dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x", + readl(ahw->pci_base0 + offset), + QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL), + QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL), + QLCRDX(ahw, QLCNIC_FW_MBX_CTRL)); +} + +static void qlcnic_83xx_mailbox_worker(struct work_struct *work) +{ + struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox, + work); + struct qlcnic_adapter *adapter = mbx->adapter; + const struct qlcnic_mbx_ops *mbx_ops = mbx->ops; + struct device *dev = &adapter->pdev->dev; + struct list_head *head = &mbx->cmd_q; + struct qlcnic_hardware_context *ahw; + struct qlcnic_cmd_args *cmd = NULL; + unsigned long flags; + + ahw = adapter->ahw; + + while (true) { + if (qlcnic_83xx_check_mbx_status(adapter)) { + qlcnic_83xx_flush_mbx_queue(adapter); + return; + } + + spin_lock_irqsave(&mbx->aen_lock, flags); + mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT; + spin_unlock_irqrestore(&mbx->aen_lock, flags); + + spin_lock_bh(&mbx->queue_lock); + + if (list_empty(head)) { + spin_unlock_bh(&mbx->queue_lock); + return; + } + cmd = list_entry(head->next, struct qlcnic_cmd_args, list); + + spin_unlock_bh(&mbx->queue_lock); + + mbx_ops->encode_cmd(adapter, cmd); + mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST); + + if (wait_for_completion_timeout(&mbx->completion, + QLC_83XX_MBX_TIMEOUT)) { + mbx_ops->decode_resp(adapter, cmd); + mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION); + } else { + dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n", + __func__, cmd->cmd_op, cmd->type, ahw->pci_func, + ahw->op_mode); + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + qlcnic_dump_mailbox_registers(adapter); + qlcnic_83xx_get_mbx_data(adapter, cmd); + qlcnic_dump_mbx(adapter, cmd); + qlcnic_83xx_idc_request_reset(adapter, + QLCNIC_FORCE_FW_DUMP_KEY); + cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT; + } + mbx_ops->dequeue_cmd(adapter, cmd); + } +} + +static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = { + .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd, + .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd, + .decode_resp = qlcnic_83xx_decode_mbx_rsp, + .encode_cmd = qlcnic_83xx_encode_mbx_cmd, + .nofity_fw = qlcnic_83xx_signal_mbx_cmd, +}; + +int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx; + + ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL); + if (!ahw->mailbox) + return -ENOMEM; + + mbx = ahw->mailbox; + mbx->ops = &qlcnic_83xx_mbx_ops; + mbx->adapter = adapter; + + spin_lock_init(&mbx->queue_lock); + spin_lock_init(&mbx->aen_lock); + INIT_LIST_HEAD(&mbx->cmd_q); + init_completion(&mbx->completion); + + mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox"); + if (mbx->work_q == NULL) { + kfree(mbx); + return -ENOMEM; + } + + INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker); + set_bit(QLC_83XX_MBX_READY, &mbx->status); + return 0; +} + +static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + + if (state == pci_channel_io_normal) + return PCI_ERS_RESULT_RECOVERED; + + set_bit(__QLCNIC_AER, &adapter->state); + set_bit(__QLCNIC_RESETTING, &adapter->state); + + qlcnic_83xx_aer_stop_poll_work(adapter); + + pci_save_state(pdev); + pci_disable_device(pdev); + + return PCI_ERS_RESULT_NEED_RESET; +} + +static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + int err = 0; + + pdev->error_state = pci_channel_io_normal; + err = pci_enable_device(pdev); + if (err) + goto disconnect; + + pci_set_power_state(pdev, PCI_D0); + pci_set_master(pdev); + pci_restore_state(pdev); + + err = qlcnic_83xx_aer_reset(adapter); + if (err == 0) + return PCI_ERS_RESULT_RECOVERED; +disconnect: + clear_bit(__QLCNIC_AER, &adapter->state); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return PCI_ERS_RESULT_DISCONNECT; +} + +static void qlcnic_83xx_io_resume(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + + if (test_and_clear_bit(__QLCNIC_AER, &adapter->state)) + qlcnic_83xx_aer_start_poll_work(adapter); +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h new file mode 100644 index 000000000..6f1d9c1fd --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h @@ -0,0 +1,666 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef __QLCNIC_83XX_HW_H +#define __QLCNIC_83XX_HW_H + +#include <linux/types.h> +#include <linux/etherdevice.h> + +#include "qlcnic_hw.h" + +#define QLCNIC_83XX_BAR0_LENGTH 0x4000 + +/* Directly mapped registers */ +#define QLC_83XX_CRB_WIN_BASE 0x3800 +#define QLC_83XX_CRB_WIN_FUNC(f) (QLC_83XX_CRB_WIN_BASE+((f)*4)) +#define QLC_83XX_SEM_LOCK_BASE 0x3840 +#define QLC_83XX_SEM_UNLOCK_BASE 0x3844 +#define QLC_83XX_SEM_LOCK_FUNC(f) (QLC_83XX_SEM_LOCK_BASE+((f)*8)) +#define QLC_83XX_SEM_UNLOCK_FUNC(f) (QLC_83XX_SEM_UNLOCK_BASE+((f)*8)) +#define QLC_83XX_LINK_STATE(f) (0x3698+((f) > 7 ? 4 : 0)) +#define QLC_83XX_LINK_SPEED(f) (0x36E0+(((f) >> 2) * 4)) +#define QLC_83XX_LINK_SPEED_FACTOR 10 +#define QLC_83xx_FUNC_VAL(v, f) ((v) & (1 << (f * 4))) +#define QLC_83XX_INTX_PTR 0x38C0 +#define QLC_83XX_INTX_TRGR 0x38C4 +#define QLC_83XX_INTX_MASK 0x38C8 + +#define QLC_83XX_DRV_LOCK_WAIT_COUNTER 100 +#define QLC_83XX_DRV_LOCK_WAIT_DELAY 20 +#define QLC_83XX_NEED_DRV_LOCK_RECOVERY 1 +#define QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS 2 +#define QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT 3 +#define QLC_83XX_DRV_LOCK_RECOVERY_DELAY 200 +#define QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK 0x3 +#define QLC_83XX_LB_WAIT_COUNT 250 +#define QLC_83XX_LB_MSLEEP_COUNT 20 +#define QLC_83XX_NO_NIC_RESOURCE 0x5 +#define QLC_83XX_MAC_PRESENT 0xC +#define QLC_83XX_MAC_ABSENT 0xD + + +#define QLC_83XX_FLASH_SECTOR_SIZE (64 * 1024) + +/* PEG status definitions */ +#define QLC_83XX_CMDPEG_COMPLETE 0xff01 +#define QLC_83XX_VALID_INTX_BIT30(val) ((val) & BIT_30) +#define QLC_83XX_VALID_INTX_BIT31(val) ((val) & BIT_31) +#define QLC_83XX_INTX_FUNC(val) ((val) & 0xFF) +#define QLC_83XX_LEGACY_INTX_MAX_RETRY 100 +#define QLC_83XX_LEGACY_INTX_DELAY 4 +#define QLC_83XX_REG_DESC 1 +#define QLC_83XX_LRO_DESC 2 +#define QLC_83XX_CTRL_DESC 3 +#define QLC_83XX_FW_CAPABILITY_TSO BIT_6 +#define QLC_83XX_FW_CAP_LRO_MSS BIT_17 +#define QLC_83XX_HOST_RDS_MODE_UNIQUE 0 +#define QLC_83XX_HOST_SDS_MBX_IDX 8 + +#define QLCNIC_HOST_RDS_MBX_IDX 88 + +/* Pause control registers */ +#define QLC_83XX_SRE_SHIM_REG 0x0D200284 +#define QLC_83XX_PORT0_THRESHOLD 0x0B2003A4 +#define QLC_83XX_PORT1_THRESHOLD 0x0B2013A4 +#define QLC_83XX_PORT0_TC_MC_REG 0x0B200388 +#define QLC_83XX_PORT1_TC_MC_REG 0x0B201388 +#define QLC_83XX_PORT0_TC_STATS 0x0B20039C +#define QLC_83XX_PORT1_TC_STATS 0x0B20139C +#define QLC_83XX_PORT2_IFB_THRESHOLD 0x0B200704 +#define QLC_83XX_PORT3_IFB_THRESHOLD 0x0B201704 + +/* Peg PC status registers */ +#define QLC_83XX_CRB_PEG_NET_0 0x3400003c +#define QLC_83XX_CRB_PEG_NET_1 0x3410003c +#define QLC_83XX_CRB_PEG_NET_2 0x3420003c +#define QLC_83XX_CRB_PEG_NET_3 0x3430003c +#define QLC_83XX_CRB_PEG_NET_4 0x34b0003c + +/* Firmware image definitions */ +#define QLC_83XX_BOOTLOADER_FLASH_ADDR 0x10000 +#define QLC_83XX_FW_FILE_NAME "83xx_fw.bin" +#define QLC_83XX_POST_FW_FILE_NAME "83xx_post_fw.bin" +#define QLC_84XX_FW_FILE_NAME "84xx_fw.bin" +#define QLC_83XX_BOOT_FROM_FLASH 0 +#define QLC_83XX_BOOT_FROM_FILE 0x12345678 + +#define QLC_FW_FILE_NAME_LEN 20 +#define QLC_83XX_MAX_RESET_SEQ_ENTRIES 16 + +#define QLC_83XX_MBX_POST_BC_OP 0x1 +#define QLC_83XX_MBX_COMPLETION 0x0 +#define QLC_83XX_MBX_REQUEST 0x1 + +#define QLC_83XX_MBX_TIMEOUT (5 * HZ) +#define QLC_83XX_MBX_CMD_LOOP 5000000 + +/* status descriptor mailbox data + * @phy_addr_{low|high}: physical address of buffer + * @sds_ring_size: buffer size + * @intrpt_id: interrupt id + * @intrpt_val: source of interrupt + */ +struct qlcnic_sds_mbx { + u32 phy_addr_low; + u32 phy_addr_high; + u32 rsvd1[4]; +#if defined(__LITTLE_ENDIAN) + u16 sds_ring_size; + u16 rsvd2; + u16 rsvd3[2]; + u16 intrpt_id; + u8 intrpt_val; + u8 rsvd4; +#elif defined(__BIG_ENDIAN) + u16 rsvd2; + u16 sds_ring_size; + u16 rsvd3[2]; + u8 rsvd4; + u8 intrpt_val; + u16 intrpt_id; +#endif + u32 rsvd5; +} __packed; + +/* receive descriptor buffer data + * phy_addr_reg_{low|high}: physical address of regular buffer + * phy_addr_jmb_{low|high}: physical address of jumbo buffer + * reg_ring_sz: size of regular buffer + * reg_ring_len: no. of entries in regular buffer + * jmb_ring_len: no. of entries in jumbo buffer + * jmb_ring_sz: size of jumbo buffer + */ +struct qlcnic_rds_mbx { + u32 phy_addr_reg_low; + u32 phy_addr_reg_high; + u32 phy_addr_jmb_low; + u32 phy_addr_jmb_high; +#if defined(__LITTLE_ENDIAN) + u16 reg_ring_sz; + u16 reg_ring_len; + u16 jmb_ring_sz; + u16 jmb_ring_len; +#elif defined(__BIG_ENDIAN) + u16 reg_ring_len; + u16 reg_ring_sz; + u16 jmb_ring_len; + u16 jmb_ring_sz; +#endif +} __packed; + +/* host producers for regular and jumbo rings */ +struct __host_producer_mbx { + u32 reg_buf; + u32 jmb_buf; +} __packed; + +/* Receive context mailbox data outbox registers + * @state: state of the context + * @vport_id: virtual port id + * @context_id: receive context id + * @num_pci_func: number of pci functions of the port + * @phy_port: physical port id + */ +struct qlcnic_rcv_mbx_out { +#if defined(__LITTLE_ENDIAN) + u8 rcv_num; + u8 sts_num; + u16 ctx_id; + u8 state; + u8 num_pci_func; + u8 phy_port; + u8 vport_id; +#elif defined(__BIG_ENDIAN) + u16 ctx_id; + u8 sts_num; + u8 rcv_num; + u8 vport_id; + u8 phy_port; + u8 num_pci_func; + u8 state; +#endif + u32 host_csmr[QLCNIC_MAX_SDS_RINGS]; + struct __host_producer_mbx host_prod[QLCNIC_MAX_SDS_RINGS]; +} __packed; + +struct qlcnic_add_rings_mbx_out { +#if defined(__LITTLE_ENDIAN) + u8 rcv_num; + u8 sts_num; + u16 ctx_id; +#elif defined(__BIG_ENDIAN) + u16 ctx_id; + u8 sts_num; + u8 rcv_num; +#endif + u32 host_csmr[QLCNIC_MAX_SDS_RINGS]; + struct __host_producer_mbx host_prod[QLCNIC_MAX_SDS_RINGS]; +} __packed; + +/* Transmit context mailbox inbox registers + * @phys_addr_{low|high}: DMA address of the transmit buffer + * @cnsmr_index_{low|high}: host consumer index + * @size: legth of transmit buffer ring + * @intr_id: interrupt id + * @src: src of interrupt + */ +struct qlcnic_tx_mbx { + u32 phys_addr_low; + u32 phys_addr_high; + u32 cnsmr_index_low; + u32 cnsmr_index_high; +#if defined(__LITTLE_ENDIAN) + u16 size; + u16 intr_id; + u8 src; + u8 rsvd[3]; +#elif defined(__BIG_ENDIAN) + u16 intr_id; + u16 size; + u8 rsvd[3]; + u8 src; +#endif +} __packed; + +/* Transmit context mailbox outbox registers + * @host_prod: host producer index + * @ctx_id: transmit context id + * @state: state of the transmit context + */ + +struct qlcnic_tx_mbx_out { + u32 host_prod; +#if defined(__LITTLE_ENDIAN) + u16 ctx_id; + u8 state; + u8 rsvd; +#elif defined(__BIG_ENDIAN) + u8 rsvd; + u8 state; + u16 ctx_id; +#endif +} __packed; + +struct qlcnic_intrpt_config { + u8 type; + u8 enabled; + u16 id; + u32 src; +}; + +struct qlcnic_macvlan_mbx { +#if defined(__LITTLE_ENDIAN) + u8 mac_addr0; + u8 mac_addr1; + u8 mac_addr2; + u8 mac_addr3; + u8 mac_addr4; + u8 mac_addr5; + u16 vlan; +#elif defined(__BIG_ENDIAN) + u8 mac_addr3; + u8 mac_addr2; + u8 mac_addr1; + u8 mac_addr0; + u16 vlan; + u8 mac_addr5; + u8 mac_addr4; +#endif +}; + +struct qlc_83xx_fw_info { + const struct firmware *fw; + char fw_file_name[QLC_FW_FILE_NAME_LEN]; +}; + +struct qlc_83xx_reset { + struct qlc_83xx_reset_hdr *hdr; + int seq_index; + int seq_error; + int array_index; + u32 array[QLC_83XX_MAX_RESET_SEQ_ENTRIES]; + u8 *buff; + u8 *stop_offset; + u8 *start_offset; + u8 *init_offset; + u8 seq_end; + u8 template_end; +}; + +#define QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY 0x1 +#define QLC_83XX_IDC_GRACEFULL_RESET 0x2 +#define QLC_83XX_IDC_DISABLE_FW_DUMP 0x4 +#define QLC_83XX_IDC_TIMESTAMP 0 +#define QLC_83XX_IDC_DURATION 1 +#define QLC_83XX_IDC_INIT_TIMEOUT_SECS 30 +#define QLC_83XX_IDC_RESET_ACK_TIMEOUT_SECS 10 +#define QLC_83XX_IDC_RESET_TIMEOUT_SECS 10 +#define QLC_83XX_IDC_QUIESCE_ACK_TIMEOUT_SECS 20 +#define QLC_83XX_IDC_FW_POLL_DELAY (1 * HZ) +#define QLC_83XX_IDC_FW_FAIL_THRESH 2 +#define QLC_83XX_IDC_MAX_FUNC_PER_PARTITION_INFO 8 +#define QLC_83XX_IDC_MAX_CNA_FUNCTIONS 16 +#define QLC_83XX_IDC_MAJOR_VERSION 1 +#define QLC_83XX_IDC_MINOR_VERSION 0 +#define QLC_83XX_IDC_FLASH_PARAM_ADDR 0x3e8020 + +struct qlcnic_adapter; +struct qlcnic_fw_dump; + +struct qlc_83xx_idc { + int (*state_entry) (struct qlcnic_adapter *); + u64 sec_counter; + u64 delay; + unsigned long status; + int err_code; + int collect_dump; + u8 curr_state; + u8 prev_state; + u8 vnic_state; + u8 vnic_wait_limit; + u8 quiesce_req; + u8 delay_reset; + char **name; +}; + +enum qlcnic_vlan_operations { + QLC_VLAN_ADD = 0, + QLC_VLAN_DELETE +}; + +/* Device States */ +enum qlcnic_83xx_states { + QLC_83XX_IDC_DEV_UNKNOWN, + QLC_83XX_IDC_DEV_COLD, + QLC_83XX_IDC_DEV_INIT, + QLC_83XX_IDC_DEV_READY, + QLC_83XX_IDC_DEV_NEED_RESET, + QLC_83XX_IDC_DEV_NEED_QUISCENT, + QLC_83XX_IDC_DEV_FAILED, + QLC_83XX_IDC_DEV_QUISCENT +}; + +#define QLCNIC_MBX_RSP(reg) LSW(reg) +#define QLCNIC_MBX_NUM_REGS(reg) (MSW(reg) & 0x1FF) +#define QLCNIC_MBX_STATUS(reg) (((reg) >> 25) & 0x7F) +#define QLCNIC_MBX_HOST(ahw, i) ((ahw)->pci_base0 + ((i) * 4)) +#define QLCNIC_MBX_FW(ahw, i) ((ahw)->pci_base0 + 0x800 + ((i) * 4)) + +/* Mailbox process AEN count */ +#define QLC_83XX_IDC_COMP_AEN 3 +#define QLC_83XX_MBX_AEN_CNT 5 +#define QLC_83XX_MODULE_LOADED 1 +#define QLC_83XX_MBX_READY 2 +#define QLC_83XX_MBX_AEN_ACK 3 +#define QLC_83XX_SFP_PRESENT(data) ((data) & 3) +#define QLC_83XX_SFP_ERR(data) (((data) >> 2) & 3) +#define QLC_83XX_SFP_MODULE_TYPE(data) (((data) >> 4) & 0x1F) +#define QLC_83XX_SFP_CU_LENGTH(data) (LSB((data) >> 16)) +#define QLC_83XX_SFP_TX_FAULT(data) ((data) & BIT_10) +#define QLC_83XX_LINK_STATS(data) ((data) & BIT_0) +#define QLC_83XX_CURRENT_LINK_SPEED(data) (((data) >> 3) & 7) +#define QLC_83XX_LINK_PAUSE(data) (((data) >> 6) & 3) +#define QLC_83XX_LINK_LB(data) (((data) >> 8) & 7) +#define QLC_83XX_LINK_FEC(data) ((data) & BIT_12) +#define QLC_83XX_LINK_EEE(data) ((data) & BIT_13) +#define QLC_83XX_DCBX(data) (((data) >> 28) & 7) +#define QLC_83XX_AUTONEG(data) ((data) & BIT_15) +#define QLC_83XX_TX_PAUSE 0x10 +#define QLC_83XX_RX_PAUSE 0x20 +#define QLC_83XX_TX_RX_PAUSE 0x30 +#define QLC_83XX_CFG_STD_PAUSE (1 << 5) +#define QLC_83XX_CFG_STD_TX_PAUSE (1 << 20) +#define QLC_83XX_CFG_STD_RX_PAUSE (2 << 20) +#define QLC_83XX_CFG_STD_TX_RX_PAUSE (3 << 20) +#define QLC_83XX_ENABLE_AUTONEG (1 << 15) +#define QLC_83XX_CFG_LOOPBACK_HSS (2 << 1) +#define QLC_83XX_CFG_LOOPBACK_PHY (3 << 1) +#define QLC_83XX_CFG_LOOPBACK_EXT (4 << 1) + +/* LED configuration settings */ +#define QLC_83XX_ENABLE_BEACON 0xe +#define QLC_83XX_BEACON_ON 1 +#define QLC_83XX_BEACON_OFF 0 +#define QLC_83XX_LED_RATE 0xff +#define QLC_83XX_LED_ACT (1 << 10) +#define QLC_83XX_LED_MOD (0 << 13) +#define QLC_83XX_LED_CONFIG (QLC_83XX_LED_RATE | QLC_83XX_LED_ACT | \ + QLC_83XX_LED_MOD) + +#define QLC_83XX_10M_LINK 1 +#define QLC_83XX_100M_LINK 2 +#define QLC_83XX_1G_LINK 3 +#define QLC_83XX_10G_LINK 4 +#define QLC_83XX_STAT_TX 3 +#define QLC_83XX_STAT_RX 2 +#define QLC_83XX_STAT_MAC 1 +#define QLC_83XX_TX_STAT_REGS 14 +#define QLC_83XX_RX_STAT_REGS 40 +#define QLC_83XX_MAC_STAT_REGS 94 + +#define QLC_83XX_GET_FUNC_PRIVILEGE(VAL, FN) (0x3 & ((VAL) >> (FN * 2))) +#define QLC_83XX_SET_FUNC_OPMODE(VAL, FN) ((VAL) << (FN * 2)) +#define QLC_83XX_DEFAULT_OPMODE 0x55555555 +#define QLC_83XX_PRIVLEGED_FUNC 0x1 +#define QLC_83XX_VIRTUAL_FUNC 0x2 + +#define QLC_83XX_LB_MAX_FILTERS 2048 +#define QLC_83XX_LB_BUCKET_SIZE 256 +#define QLC_83XX_MINIMUM_VECTOR 3 +#define QLC_83XX_MAX_MC_COUNT 38 +#define QLC_83XX_MAX_UC_COUNT 4096 + +#define QLC_83XX_PVID_STRIP_CAPABILITY BIT_22 +#define QLC_83XX_GET_FUNC_MODE_FROM_NPAR_INFO(val) (val & 0x80000000) +#define QLC_83XX_GET_LRO_CAPABILITY(val) (val & 0x20) +#define QLC_83XX_GET_LSO_CAPABILITY(val) (val & 0x40) +#define QLC_83XX_GET_HW_LRO_CAPABILITY(val) (val & 0x400) +#define QLC_83XX_GET_VLAN_ALIGN_CAPABILITY(val) (val & 0x4000) +#define QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(val) (val & 0x20000) +#define QLC_83XX_ESWITCH_CAPABILITY BIT_23 +#define QLC_83XX_SRIOV_MODE 0x1 +#define QLCNIC_BRDTYPE_83XX_10G 0x0083 + +#define QLC_83XX_FLASH_SPI_STATUS 0x2808E010 +#define QLC_83XX_FLASH_SPI_CONTROL 0x2808E014 +#define QLC_83XX_FLASH_STATUS 0x42100004 +#define QLC_83XX_FLASH_CONTROL 0x42110004 +#define QLC_83XX_FLASH_ADDR 0x42110008 +#define QLC_83XX_FLASH_WRDATA 0x4211000C +#define QLC_83XX_FLASH_RDDATA 0x42110018 +#define QLC_83XX_FLASH_DIRECT_WINDOW 0x42110030 +#define QLC_83XX_FLASH_DIRECT_DATA(DATA) (0x42150000 | (0x0000FFFF&DATA)) +#define QLC_83XX_FLASH_SECTOR_ERASE_CMD 0xdeadbeef +#define QLC_83XX_FLASH_WRITE_CMD 0xdacdacda +#define QLC_83XX_FLASH_BULK_WRITE_CMD 0xcadcadca +#define QLC_83XX_FLASH_READ_RETRY_COUNT 5000 +#define QLC_83XX_FLASH_STATUS_READY 0x6 +#define QLC_83XX_FLASH_WRITE_MIN 2 +#define QLC_83XX_FLASH_WRITE_MAX 64 +#define QLC_83XX_FLASH_STATUS_REG_POLL_DELAY 1 +#define QLC_83XX_ERASE_MODE 1 +#define QLC_83XX_WRITE_MODE 2 +#define QLC_83XX_BULK_WRITE_MODE 3 +#define QLC_83XX_FLASH_FDT_WRITE_DEF_SIG 0xFD0100 +#define QLC_83XX_FLASH_FDT_ERASE_DEF_SIG 0xFD0300 +#define QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL 0xFD009F +#define QLC_83XX_FLASH_OEM_ERASE_SIG 0xFD03D8 +#define QLC_83XX_FLASH_OEM_WRITE_SIG 0xFD0101 +#define QLC_83XX_FLASH_OEM_READ_SIG 0xFD0005 +#define QLC_83XX_FLASH_ADDR_TEMP_VAL 0x00800000 +#define QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL 0x00800001 +#define QLC_83XX_FLASH_WRDATA_DEF 0x0 +#define QLC_83XX_FLASH_READ_CTRL 0x3F +#define QLC_83XX_FLASH_SPI_CTRL 0x4 +#define QLC_83XX_FLASH_FIRST_ERASE_MS_VAL 0x2 +#define QLC_83XX_FLASH_SECOND_ERASE_MS_VAL 0x5 +#define QLC_83XX_FLASH_LAST_ERASE_MS_VAL 0x3D +#define QLC_83XX_FLASH_FIRST_MS_PATTERN 0x43 +#define QLC_83XX_FLASH_SECOND_MS_PATTERN 0x7F +#define QLC_83XX_FLASH_LAST_MS_PATTERN 0x7D +#define QLC_83xx_FLASH_MAX_WAIT_USEC 100 +#define QLC_83XX_FLASH_LOCK_TIMEOUT 10000 + +enum qlc_83xx_mbx_cmd_type { + QLC_83XX_MBX_CMD_WAIT = 0, + QLC_83XX_MBX_CMD_NO_WAIT, + QLC_83XX_MBX_CMD_BUSY_WAIT, +}; + +enum qlc_83xx_mbx_response_states { + QLC_83XX_MBX_RESPONSE_WAIT = 0, + QLC_83XX_MBX_RESPONSE_ARRIVED, +}; + +#define QLC_83XX_MBX_RESPONSE_FAILED 0x2 +#define QLC_83XX_MBX_RESPONSE_UNKNOWN 0x3 + +/* Additional registers in 83xx */ +enum qlc_83xx_ext_regs { + QLCNIC_GLOBAL_RESET = 0, + QLCNIC_WILDCARD, + QLCNIC_INFORMANT, + QLCNIC_HOST_MBX_CTRL, + QLCNIC_FW_MBX_CTRL, + QLCNIC_BOOTLOADER_ADDR, + QLCNIC_BOOTLOADER_SIZE, + QLCNIC_FW_IMAGE_ADDR, + QLCNIC_MBX_INTR_ENBL, + QLCNIC_DEF_INT_MASK, + QLCNIC_DEF_INT_ID, + QLC_83XX_IDC_MAJ_VERSION, + QLC_83XX_IDC_DEV_STATE, + QLC_83XX_IDC_DRV_PRESENCE, + QLC_83XX_IDC_DRV_ACK, + QLC_83XX_IDC_CTRL, + QLC_83XX_IDC_DRV_AUDIT, + QLC_83XX_IDC_MIN_VERSION, + QLC_83XX_RECOVER_DRV_LOCK, + QLC_83XX_IDC_PF_0, + QLC_83XX_IDC_PF_1, + QLC_83XX_IDC_PF_2, + QLC_83XX_IDC_PF_3, + QLC_83XX_IDC_PF_4, + QLC_83XX_IDC_PF_5, + QLC_83XX_IDC_PF_6, + QLC_83XX_IDC_PF_7, + QLC_83XX_IDC_PF_8, + QLC_83XX_IDC_PF_9, + QLC_83XX_IDC_PF_10, + QLC_83XX_IDC_PF_11, + QLC_83XX_IDC_PF_12, + QLC_83XX_IDC_PF_13, + QLC_83XX_IDC_PF_14, + QLC_83XX_IDC_PF_15, + QLC_83XX_IDC_DEV_PARTITION_INFO_1, + QLC_83XX_IDC_DEV_PARTITION_INFO_2, + QLC_83XX_DRV_OP_MODE, + QLC_83XX_VNIC_STATE, + QLC_83XX_DRV_LOCK, + QLC_83XX_DRV_UNLOCK, + QLC_83XX_DRV_LOCK_ID, + QLC_83XX_ASIC_TEMP, +}; + +/* Initialize/Stop NIC command bit definitions */ +#define QLC_REGISTER_LB_IDC BIT_0 +#define QLC_REGISTER_DCB_AEN BIT_1 +#define QLC_83XX_MULTI_TENANCY_INFO BIT_29 +#define QLC_INIT_FW_RESOURCES BIT_31 + +/* 83xx funcitons */ +int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *); +int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *, struct qlcnic_cmd_args *); +int qlcnic_83xx_setup_intr(struct qlcnic_adapter *); +void qlcnic_83xx_get_func_no(struct qlcnic_adapter *); +int qlcnic_83xx_cam_lock(struct qlcnic_adapter *); +void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *); +int qlcnic_send_ctrl_op(struct qlcnic_adapter *, struct qlcnic_cmd_args *, u32); +void qlcnic_83xx_add_sysfs(struct qlcnic_adapter *); +void qlcnic_83xx_remove_sysfs(struct qlcnic_adapter *); +void qlcnic_83xx_write_crb(struct qlcnic_adapter *, char *, loff_t, size_t); +void qlcnic_83xx_read_crb(struct qlcnic_adapter *, char *, loff_t, size_t); +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong, int *); +int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32); +int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32); +int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *, int); +int qlcnic_83xx_config_rss(struct qlcnic_adapter *, int); +void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr, + u16 vlan, struct qlcnic_host_tx_ring *ring); +int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info *); +int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *); +void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *, int); + +int qlcnic_83xx_napi_add(struct qlcnic_adapter *, struct net_device *); +void qlcnic_83xx_napi_del(struct qlcnic_adapter *); +void qlcnic_83xx_napi_enable(struct qlcnic_adapter *); +void qlcnic_83xx_napi_disable(struct qlcnic_adapter *); +int qlcnic_83xx_config_led(struct qlcnic_adapter *, u32, u32); +int qlcnic_ind_wr(struct qlcnic_adapter *, u32, u32); +int qlcnic_ind_rd(struct qlcnic_adapter *, u32); +int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *); +int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *, int); +void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *); +void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); +int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *, struct qlcnic_info *, u8); +int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *, int); +void qlcnic_83xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *); +int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *, bool); +int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *, u8 *, u16, u8); +int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *, u8 *, u8); +int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *, + struct qlcnic_adapter *, u32); +void qlcnic_free_mbx_args(struct qlcnic_cmd_args *); +void qlcnic_set_npar_data(struct qlcnic_adapter *, const struct qlcnic_info *, + struct qlcnic_info *); +int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *, + struct ethtool_coalesce *); +int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *); +int qlcnic_83xx_get_port_info(struct qlcnic_adapter *); +void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *); +void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *); +irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *); +irqreturn_t qlcnic_83xx_intr(int, void *); +irqreturn_t qlcnic_83xx_tmp_intr(int, void *); +void qlcnic_83xx_check_vf(struct qlcnic_adapter *, + const struct pci_device_id *); +int qlcnic_83xx_config_default_opmode(struct qlcnic_adapter *); +int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *); +void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *); +void qlcnic_83xx_register_map(struct qlcnic_hardware_context *); +void qlcnic_83xx_idc_aen_work(struct work_struct *); +void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *, __be32, int); + +int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *, u32); +int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *, u32, u32 *, int); +int qlcnic_83xx_flash_write32(struct qlcnic_adapter *, u32, u32 *); +int qlcnic_83xx_lock_flash(struct qlcnic_adapter *); +void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *); +int qlcnic_83xx_save_flash_status(struct qlcnic_adapter *); +int qlcnic_83xx_restore_flash_status(struct qlcnic_adapter *, int); +int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *); +int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *); +int qlcnic_83xx_flash_read32(struct qlcnic_adapter *, u32, u8 *, int); +int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *, + u32, u8 *, int); +int qlcnic_83xx_init(struct qlcnic_adapter *, int); +int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *); +void qlcnic_83xx_idc_poll_dev_state(struct work_struct *); +void qlcnic_83xx_idc_exit(struct qlcnic_adapter *); +void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *, u32); +int qlcnic_83xx_lock_driver(struct qlcnic_adapter *); +void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *); +int qlcnic_83xx_set_default_offload_settings(struct qlcnic_adapter *); +int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *); +int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *, int); +int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *); +int qlcnic_83xx_get_vnic_vport_info(struct qlcnic_adapter *, + struct qlcnic_info *, u8); +int qlcnic_83xx_get_vnic_pf_info(struct qlcnic_adapter *, struct qlcnic_info *); +int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *, int, int *); + +void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *); +void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data); +int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *); +int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter, + struct ethtool_link_ksettings *ecmd); +int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter, + const struct ethtool_link_ksettings *ecmd); +void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *, + struct ethtool_pauseparam *); +int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *, + struct ethtool_pauseparam *); +int qlcnic_83xx_test_link(struct qlcnic_adapter *); +void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter); +int qlcnic_83xx_reg_test(struct qlcnic_adapter *); +int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *); +int qlcnic_83xx_get_registers(struct qlcnic_adapter *, u32 *); +int qlcnic_83xx_loopback_test(struct net_device *, u8); +int qlcnic_83xx_interrupt_test(struct net_device *); +int qlcnic_83xx_set_led(struct net_device *, enum ethtool_phys_id_state); +int qlcnic_83xx_flash_test(struct qlcnic_adapter *); +int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *); +int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *); +void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *); +void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *); +int qlcnic_83xx_idc_init(struct qlcnic_adapter *); +int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *); +int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *); +int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *); +void qlcnic_83xx_aer_stop_poll_work(struct qlcnic_adapter *); +int qlcnic_83xx_aer_reset(struct qlcnic_adapter *); +void qlcnic_83xx_aer_start_poll_work(struct qlcnic_adapter *); +u32 qlcnic_83xx_get_saved_state(void *, u32); +void qlcnic_83xx_set_saved_state(void *, u32, u32); +void qlcnic_83xx_cache_tmpl_hdr_values(struct qlcnic_fw_dump *); +u32 qlcnic_83xx_get_cap_size(void *, int); +void qlcnic_83xx_set_sys_info(void *, int, u32); +void qlcnic_83xx_store_cap_mask(void *, u32); +int qlcnic_ms_mem_write128(struct qlcnic_adapter *, u64, u32 *, u32); +#endif diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c new file mode 100644 index 000000000..beeeec851 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -0,0 +1,2600 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include "qlcnic_sriov.h" +#include "qlcnic.h" +#include "qlcnic_hw.h" + +/* Reset template definitions */ +#define QLC_83XX_RESTART_TEMPLATE_SIZE 0x2000 +#define QLC_83XX_RESET_TEMPLATE_ADDR 0x4F0000 +#define QLC_83XX_RESET_SEQ_VERSION 0x0101 + +#define QLC_83XX_OPCODE_NOP 0x0000 +#define QLC_83XX_OPCODE_WRITE_LIST 0x0001 +#define QLC_83XX_OPCODE_READ_WRITE_LIST 0x0002 +#define QLC_83XX_OPCODE_POLL_LIST 0x0004 +#define QLC_83XX_OPCODE_POLL_WRITE_LIST 0x0008 +#define QLC_83XX_OPCODE_READ_MODIFY_WRITE 0x0010 +#define QLC_83XX_OPCODE_SEQ_PAUSE 0x0020 +#define QLC_83XX_OPCODE_SEQ_END 0x0040 +#define QLC_83XX_OPCODE_TMPL_END 0x0080 +#define QLC_83XX_OPCODE_POLL_READ_LIST 0x0100 + +/* EPORT control registers */ +#define QLC_83XX_RESET_CONTROL 0x28084E50 +#define QLC_83XX_RESET_REG 0x28084E60 +#define QLC_83XX_RESET_PORT0 0x28084E70 +#define QLC_83XX_RESET_PORT1 0x28084E80 +#define QLC_83XX_RESET_PORT2 0x28084E90 +#define QLC_83XX_RESET_PORT3 0x28084EA0 +#define QLC_83XX_RESET_SRESHIM 0x28084EB0 +#define QLC_83XX_RESET_EPGSHIM 0x28084EC0 +#define QLC_83XX_RESET_ETHERPCS 0x28084ED0 + +static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter); +static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev); +static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter); +static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev); +static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *); +static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *); + +/* Template header */ +struct qlc_83xx_reset_hdr { +#if defined(__LITTLE_ENDIAN) + u16 version; + u16 signature; + u16 size; + u16 entries; + u16 hdr_size; + u16 checksum; + u16 init_offset; + u16 start_offset; +#elif defined(__BIG_ENDIAN) + u16 signature; + u16 version; + u16 entries; + u16 size; + u16 checksum; + u16 hdr_size; + u16 start_offset; + u16 init_offset; +#endif +} __packed; + +/* Command entry header. */ +struct qlc_83xx_entry_hdr { +#if defined(__LITTLE_ENDIAN) + u16 cmd; + u16 size; + u16 count; + u16 delay; +#elif defined(__BIG_ENDIAN) + u16 size; + u16 cmd; + u16 delay; + u16 count; +#endif +} __packed; + +/* Generic poll command */ +struct qlc_83xx_poll { + u32 mask; + u32 status; +} __packed; + +/* Read modify write command */ +struct qlc_83xx_rmw { + u32 mask; + u32 xor_value; + u32 or_value; +#if defined(__LITTLE_ENDIAN) + u8 shl; + u8 shr; + u8 index_a; + u8 rsvd; +#elif defined(__BIG_ENDIAN) + u8 rsvd; + u8 index_a; + u8 shr; + u8 shl; +#endif +} __packed; + +/* Generic command with 2 DWORD */ +struct qlc_83xx_entry { + u32 arg1; + u32 arg2; +} __packed; + +/* Generic command with 4 DWORD */ +struct qlc_83xx_quad_entry { + u32 dr_addr; + u32 dr_value; + u32 ar_addr; + u32 ar_value; +} __packed; +static const char *const qlc_83xx_idc_states[] = { + "Unknown", + "Cold", + "Init", + "Ready", + "Need Reset", + "Need Quiesce", + "Failed", + "Quiesce" +}; + +static int +qlcnic_83xx_idc_check_driver_presence_reg(struct qlcnic_adapter *adapter) +{ + u32 val; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + if ((val & 0xFFFF)) + return 1; + else + return 0; +} + +static void qlcnic_83xx_idc_log_state_history(struct qlcnic_adapter *adapter) +{ + u32 cur, prev; + cur = adapter->ahw->idc.curr_state; + prev = adapter->ahw->idc.prev_state; + + dev_info(&adapter->pdev->dev, + "current state = %s, prev state = %s\n", + adapter->ahw->idc.name[cur], + adapter->ahw->idc.name[prev]); +} + +static int qlcnic_83xx_idc_update_audit_reg(struct qlcnic_adapter *adapter, + u8 mode, int lock) +{ + u32 val; + int seconds; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); + val |= (adapter->portnum & 0xf); + val |= mode << 7; + if (mode) + seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; + else + seconds = jiffies / HZ; + + val |= seconds << 8; + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT, val); + adapter->ahw->idc.sec_counter = jiffies / HZ; + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static void qlcnic_83xx_idc_update_minor_version(struct qlcnic_adapter *adapter) +{ + u32 val; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION); + val = val & ~(0x3 << (adapter->portnum * 2)); + val = val | (QLC_83XX_IDC_MINOR_VERSION << (adapter->portnum * 2)); + QLCWRX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION, val); +} + +static int qlcnic_83xx_idc_update_major_version(struct qlcnic_adapter *adapter, + int lock) +{ + u32 val; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); + val = val & ~0xFF; + val = val | QLC_83XX_IDC_MAJOR_VERSION; + QLCWRX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION, val); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int +qlcnic_83xx_idc_update_drv_presence_reg(struct qlcnic_adapter *adapter, + int status, int lock) +{ + u32 val; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + + if (status) + val = val | (1 << adapter->portnum); + else + val = val & ~(1 << adapter->portnum); + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); + qlcnic_83xx_idc_update_minor_version(adapter); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int qlcnic_83xx_idc_check_major_version(struct qlcnic_adapter *adapter) +{ + u32 val; + u8 version; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); + version = val & 0xFF; + + if (version != QLC_83XX_IDC_MAJOR_VERSION) { + dev_info(&adapter->pdev->dev, + "%s:mismatch. version 0x%x, expected version 0x%x\n", + __func__, version, QLC_83XX_IDC_MAJOR_VERSION); + return -EIO; + } + + return 0; +} + +static int qlcnic_83xx_idc_clear_registers(struct qlcnic_adapter *adapter, + int lock) +{ + u32 val; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, 0); + /* Clear graceful reset bit */ + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val &= ~QLC_83XX_IDC_GRACEFULL_RESET; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int qlcnic_83xx_idc_update_drv_ack_reg(struct qlcnic_adapter *adapter, + int flag, int lock) +{ + u32 val; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); + if (flag) + val = val | (1 << adapter->portnum); + else + val = val & ~(1 << adapter->portnum); + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, val); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int qlcnic_83xx_idc_check_timeout(struct qlcnic_adapter *adapter, + int time_limit) +{ + u64 seconds; + + seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; + if (seconds <= time_limit) + return 0; + else + return -EBUSY; +} + +/** + * qlcnic_83xx_idc_check_reset_ack_reg + * + * @adapter: adapter structure + * + * Check ACK wait limit and clear the functions which failed to ACK + * + * Return 0 if all functions have acknowledged the reset request. + **/ +static int qlcnic_83xx_idc_check_reset_ack_reg(struct qlcnic_adapter *adapter) +{ + int timeout; + u32 ack, presence, val; + + timeout = QLC_83XX_IDC_RESET_TIMEOUT_SECS; + ack = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); + presence = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + dev_info(&adapter->pdev->dev, + "%s: ack = 0x%x, presence = 0x%x\n", __func__, ack, presence); + if (!((ack & presence) == presence)) { + if (qlcnic_83xx_idc_check_timeout(adapter, timeout)) { + /* Clear functions which failed to ACK */ + dev_info(&adapter->pdev->dev, + "%s: ACK wait exceeds time limit\n", __func__); + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + val = val & ~(ack ^ presence); + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); + dev_info(&adapter->pdev->dev, + "%s: updated drv presence reg = 0x%x\n", + __func__, val); + qlcnic_83xx_unlock_driver(adapter); + return 0; + + } else { + return 1; + } + } else { + dev_info(&adapter->pdev->dev, + "%s: Reset ACK received from all functions\n", + __func__); + return 0; + } +} + +/** + * qlcnic_83xx_idc_tx_soft_reset + * + * @adapter: adapter structure + * + * Handle context deletion and recreation request from transmit routine + * + * Returns -EBUSY or Success (0) + * + **/ +static int qlcnic_83xx_idc_tx_soft_reset(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + netif_device_detach(netdev); + qlcnic_down(adapter, netdev); + qlcnic_up(adapter, netdev); + netif_device_attach(netdev); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + netdev_info(adapter->netdev, "%s: soft reset complete.\n", __func__); + + return 0; +} + +/** + * qlcnic_83xx_idc_detach_driver + * + * @adapter: adapter structure + * Detach net interface, stop TX and cleanup resources before the HW reset. + * Returns: None + * + **/ +static void qlcnic_83xx_idc_detach_driver(struct qlcnic_adapter *adapter) +{ + int i; + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + qlcnic_83xx_detach_mailbox_work(adapter); + + /* Disable mailbox interrupt */ + qlcnic_83xx_disable_mbx_intr(adapter); + qlcnic_down(adapter, netdev); + for (i = 0; i < adapter->ahw->num_msix; i++) { + adapter->ahw->intr_tbl[i].id = i; + adapter->ahw->intr_tbl[i].enabled = 0; + adapter->ahw->intr_tbl[i].src = 0; + } + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_sriov_pf_reset(adapter); +} + +/** + * qlcnic_83xx_idc_attach_driver + * + * @adapter: adapter structure + * + * Re-attach and re-enable net interface + * Returns: None + * + **/ +static void qlcnic_83xx_idc_attach_driver(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + if (netif_running(netdev)) { + if (qlcnic_up(adapter, netdev)) + goto done; + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } +done: + netif_device_attach(netdev); +} + +static int qlcnic_83xx_idc_enter_failed_state(struct qlcnic_adapter *adapter, + int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + qlcnic_83xx_idc_clear_registers(adapter, 0); + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_FAILED); + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + qlcnic_83xx_idc_log_state_history(adapter); + dev_info(&adapter->pdev->dev, "Device will enter failed state\n"); + + return 0; +} + +static int qlcnic_83xx_idc_enter_init_state(struct qlcnic_adapter *adapter, + int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_INIT); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int qlcnic_83xx_idc_enter_need_quiesce(struct qlcnic_adapter *adapter, + int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, + QLC_83XX_IDC_DEV_NEED_QUISCENT); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int +qlcnic_83xx_idc_enter_need_reset_state(struct qlcnic_adapter *adapter, int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, + QLC_83XX_IDC_DEV_NEED_RESET); + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static int qlcnic_83xx_idc_enter_ready_state(struct qlcnic_adapter *adapter, + int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_READY); + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +/** + * qlcnic_83xx_idc_find_reset_owner_id + * + * @adapter: adapter structure + * + * NIC gets precedence over ISCSI and ISCSI has precedence over FCOE. + * Within the same class, function with lowest PCI ID assumes ownership + * + * Returns: reset owner id or failure indication (-EIO) + * + **/ +static int qlcnic_83xx_idc_find_reset_owner_id(struct qlcnic_adapter *adapter) +{ + u32 reg, reg1, reg2, i, j, owner, class; + + reg1 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_1); + reg2 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_2); + owner = QLCNIC_TYPE_NIC; + i = 0; + j = 0; + reg = reg1; + + do { + class = (((reg & (0xF << j * 4)) >> j * 4) & 0x3); + if (class == owner) + break; + if (i == (QLC_83XX_IDC_MAX_FUNC_PER_PARTITION_INFO - 1)) { + reg = reg2; + j = 0; + } else { + j++; + } + + if (i == (QLC_83XX_IDC_MAX_CNA_FUNCTIONS - 1)) { + if (owner == QLCNIC_TYPE_NIC) + owner = QLCNIC_TYPE_ISCSI; + else if (owner == QLCNIC_TYPE_ISCSI) + owner = QLCNIC_TYPE_FCOE; + else if (owner == QLCNIC_TYPE_FCOE) + return -EIO; + reg = reg1; + j = 0; + i = 0; + } + } while (i++ < QLC_83XX_IDC_MAX_CNA_FUNCTIONS); + + return i; +} + +static int qlcnic_83xx_idc_restart_hw(struct qlcnic_adapter *adapter, int lock) +{ + int ret = 0; + + ret = qlcnic_83xx_restart_hw(adapter); + + if (ret) { + qlcnic_83xx_idc_enter_failed_state(adapter, lock); + } else { + qlcnic_83xx_idc_clear_registers(adapter, lock); + ret = qlcnic_83xx_idc_enter_ready_state(adapter, lock); + } + + return ret; +} + +static int qlcnic_83xx_idc_check_fan_failure(struct qlcnic_adapter *adapter) +{ + u32 status; + + status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); + + if (status & QLCNIC_RCODE_FATAL_ERROR) { + dev_err(&adapter->pdev->dev, + "peg halt status1=0x%x\n", status); + if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { + dev_err(&adapter->pdev->dev, + "On board active cooling fan failed. " + "Device has been halted.\n"); + dev_err(&adapter->pdev->dev, + "Replace the adapter.\n"); + return -EIO; + } + } + + return 0; +} + +int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) +{ + int err; + + qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); + qlcnic_83xx_enable_mbx_interrupt(adapter); + + qlcnic_83xx_initialize_nic(adapter, 1); + + err = qlcnic_sriov_pf_reinit(adapter); + if (err) + return err; + + qlcnic_83xx_enable_mbx_interrupt(adapter); + + if (qlcnic_83xx_configure_opmode(adapter)) { + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + return -EIO; + } + + if (adapter->nic_ops->init_driver(adapter)) { + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + return -EIO; + } + + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); + + qlcnic_dcb_get_info(adapter->dcb); + qlcnic_83xx_idc_attach_driver(adapter); + + return 0; +} + +static void qlcnic_83xx_idc_update_idc_params(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 1); + qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); + set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); + + ahw->idc.quiesce_req = 0; + ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; + ahw->idc.err_code = 0; + ahw->idc.collect_dump = 0; + ahw->reset_context = 0; + adapter->tx_timeo_cnt = 0; + ahw->idc.delay_reset = 0; + + clear_bit(__QLCNIC_RESETTING, &adapter->state); +} + +/** + * qlcnic_83xx_idc_ready_state_entry + * + * @adapter: adapter structure + * + * Perform ready state initialization, this routine will get invoked only + * once from READY state. + * + * Returns: Error code or Success(0) + * + **/ +int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) { + qlcnic_83xx_idc_update_idc_params(adapter); + /* Re-attach the device if required */ + if ((ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || + (ahw->idc.prev_state == QLC_83XX_IDC_DEV_INIT)) { + if (qlcnic_83xx_idc_reattach_driver(adapter)) + return -EIO; + } + } + + return 0; +} + +/** + * qlcnic_83xx_idc_vnic_pf_entry + * + * @adapter: adapter structure + * + * Ensure vNIC mode privileged function starts only after vNIC mode is + * enabled by management function. + * If vNIC mode is ready, start initialization. + * + * Returns: -EIO or 0 + * + **/ +int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *adapter) +{ + u32 state; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + /* Privileged function waits till mgmt function enables VNIC mode */ + state = QLCRDX(adapter->ahw, QLC_83XX_VNIC_STATE); + if (state != QLCNIC_DEV_NPAR_OPER) { + if (!ahw->idc.vnic_wait_limit--) { + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + return -EIO; + } + dev_info(&adapter->pdev->dev, "vNIC mode disabled\n"); + return -EIO; + + } else { + /* Perform one time initialization from ready state */ + if (ahw->idc.vnic_state != QLCNIC_DEV_NPAR_OPER) { + qlcnic_83xx_idc_update_idc_params(adapter); + + /* If the previous state is UNKNOWN, device will be + already attached properly by Init routine*/ + if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_UNKNOWN) { + if (qlcnic_83xx_idc_reattach_driver(adapter)) + return -EIO; + } + adapter->ahw->idc.vnic_state = QLCNIC_DEV_NPAR_OPER; + dev_info(&adapter->pdev->dev, "vNIC mode enabled\n"); + } + } + + return 0; +} + +static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter) +{ + adapter->ahw->idc.err_code = -EIO; + dev_err(&adapter->pdev->dev, + "%s: Device in unknown state\n", __func__); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return 0; +} + +/** + * qlcnic_83xx_idc_cold_state + * + * @adapter: adapter structure + * + * If HW is up and running device will enter READY state. + * If firmware image from host needs to be loaded, device is + * forced to start with the file firmware image. + * + * Returns: Error code or Success(0) + * + **/ +static int qlcnic_83xx_idc_cold_state_handler(struct qlcnic_adapter *adapter) +{ + qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 0); + qlcnic_83xx_idc_update_audit_reg(adapter, 1, 0); + + if (qlcnic_load_fw_file) { + qlcnic_83xx_idc_restart_hw(adapter, 0); + } else { + if (qlcnic_83xx_check_hw_status(adapter)) { + qlcnic_83xx_idc_enter_failed_state(adapter, 0); + return -EIO; + } else { + qlcnic_83xx_idc_enter_ready_state(adapter, 0); + } + } + return 0; +} + +/** + * qlcnic_83xx_idc_init_state + * + * @adapter: adapter structure + * + * Reset owner will restart the device from this state. + * Device will enter failed state if it remains + * in this state for more than DEV_INIT time limit. + * + * Returns: Error code or Success(0) + * + **/ +static int qlcnic_83xx_idc_init_state(struct qlcnic_adapter *adapter) +{ + int timeout, ret = 0; + u32 owner; + + timeout = QLC_83XX_IDC_INIT_TIMEOUT_SECS; + if (adapter->ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) { + owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); + if (adapter->ahw->pci_func == owner) + ret = qlcnic_83xx_idc_restart_hw(adapter, 1); + } else { + ret = qlcnic_83xx_idc_check_timeout(adapter, timeout); + } + + return ret; +} + +/** + * qlcnic_83xx_idc_ready_state + * + * @adapter: adapter structure + * + * Perform IDC protocol specicifed actions after monitoring device state and + * events. + * + * Returns: Error code or Success(0) + * + **/ +static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + int ret = 0; + u32 val; + + /* Perform NIC configuration based ready state entry actions */ + if (ahw->idc.state_entry(adapter)) + return -EIO; + + if (qlcnic_check_temp(adapter)) { + if (ahw->temp == QLCNIC_TEMP_PANIC) { + qlcnic_83xx_idc_check_fan_failure(adapter); + dev_err(&adapter->pdev->dev, + "Error: device temperature %d above limits\n", + adapter->ahw->temp); + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + set_bit(__QLCNIC_RESETTING, &adapter->state); + qlcnic_83xx_idc_detach_driver(adapter); + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + return -EIO; + } + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + ret = qlcnic_83xx_check_heartbeat(adapter); + if (ret) { + adapter->flags |= QLCNIC_FW_HANG; + if (!(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + set_bit(__QLCNIC_RESETTING, &adapter->state); + qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); + } else { + netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", + __func__); + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + } + return -EIO; + } + + if ((val & QLC_83XX_IDC_GRACEFULL_RESET) || ahw->idc.collect_dump) { + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + + /* Move to need reset state and prepare for reset */ + qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); + return ret; + } + + /* Check for soft reset request */ + if (ahw->reset_context && + !(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { + adapter->ahw->reset_context = 0; + qlcnic_83xx_idc_tx_soft_reset(adapter); + return ret; + } + + /* Move to need quiesce state if requested */ + if (adapter->ahw->idc.quiesce_req) { + qlcnic_83xx_idc_enter_need_quiesce(adapter, 1); + qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); + return ret; + } + + return ret; +} + +/** + * qlcnic_83xx_idc_need_reset_state + * + * @adapter: adapter structure + * + * Device will remain in this state until: + * Reset request ACK's are received from all the functions + * Wait time exceeds max time limit + * + * Returns: Error code or Success(0) + * + **/ +static int qlcnic_83xx_idc_need_reset_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + int ret = 0; + + if (adapter->ahw->idc.prev_state != QLC_83XX_IDC_DEV_NEED_RESET) { + qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); + set_bit(__QLCNIC_RESETTING, &adapter->state); + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + if (adapter->ahw->nic_mode == QLCNIC_VNIC_MODE) + qlcnic_83xx_disable_vnic_mode(adapter, 1); + + if (qlcnic_check_diag_status(adapter)) { + dev_info(&adapter->pdev->dev, + "%s: Wait for diag completion\n", __func__); + adapter->ahw->idc.delay_reset = 1; + return 0; + } else { + qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); + qlcnic_83xx_idc_detach_driver(adapter); + } + } + + if (qlcnic_check_diag_status(adapter)) { + dev_info(&adapter->pdev->dev, + "%s: Wait for diag completion\n", __func__); + return -1; + } else { + if (adapter->ahw->idc.delay_reset) { + qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); + qlcnic_83xx_idc_detach_driver(adapter); + adapter->ahw->idc.delay_reset = 0; + } + + /* Check for ACK from other functions */ + ret = qlcnic_83xx_idc_check_reset_ack_reg(adapter); + if (ret) { + dev_info(&adapter->pdev->dev, + "%s: Waiting for reset ACK\n", __func__); + return -1; + } + } + + /* Transit to INIT state and restart the HW */ + qlcnic_83xx_idc_enter_init_state(adapter, 1); + + return ret; +} + +static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter) +{ + dev_err(&adapter->pdev->dev, "%s: TBD\n", __func__); + return 0; +} + +static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 val, owner; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { + owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); + if (ahw->pci_func == owner) { + qlcnic_83xx_stop_hw(adapter); + qlcnic_dump_fw(adapter); + } + } + + netdev_warn(adapter->netdev, "%s: Reboot will be required to recover the adapter!!\n", + __func__); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + ahw->idc.err_code = -EIO; + + return; +} + +static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter) +{ + dev_info(&adapter->pdev->dev, "%s: TBD\n", __func__); + return 0; +} + +static int qlcnic_83xx_idc_check_state_validity(struct qlcnic_adapter *adapter, + u32 state) +{ + u32 cur, prev, next; + + cur = adapter->ahw->idc.curr_state; + prev = adapter->ahw->idc.prev_state; + next = state; + + if ((next < QLC_83XX_IDC_DEV_COLD) || + (next > QLC_83XX_IDC_DEV_QUISCENT)) { + dev_err(&adapter->pdev->dev, + "%s: curr %d, prev %d, next state %d is invalid\n", + __func__, cur, prev, state); + return 1; + } + + if ((cur == QLC_83XX_IDC_DEV_UNKNOWN) && + (prev == QLC_83XX_IDC_DEV_UNKNOWN)) { + if ((next != QLC_83XX_IDC_DEV_COLD) && + (next != QLC_83XX_IDC_DEV_READY)) { + dev_err(&adapter->pdev->dev, + "%s: failed, cur %d prev %d next %d\n", + __func__, cur, prev, next); + return 1; + } + } + + if (next == QLC_83XX_IDC_DEV_INIT) { + if ((prev != QLC_83XX_IDC_DEV_INIT) && + (prev != QLC_83XX_IDC_DEV_COLD) && + (prev != QLC_83XX_IDC_DEV_NEED_RESET)) { + dev_err(&adapter->pdev->dev, + "%s: failed, cur %d prev %d next %d\n", + __func__, cur, prev, next); + return 1; + } + } + + return 0; +} + +#define QLC_83XX_ENCAP_TYPE_VXLAN BIT_1 +#define QLC_83XX_MATCH_ENCAP_ID BIT_2 +#define QLC_83XX_SET_VXLAN_UDP_DPORT BIT_3 +#define QLC_83XX_VXLAN_UDP_DPORT(PORT) ((PORT & 0xffff) << 16) + +#define QLCNIC_ENABLE_INGRESS_ENCAP_PARSING 1 +#define QLCNIC_DISABLE_INGRESS_ENCAP_PARSING 0 + +int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter, u16 port) +{ + struct qlcnic_cmd_args cmd; + int ret = 0; + + memset(&cmd, 0, sizeof(cmd)); + + ret = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_INIT_NIC_FUNC); + if (ret) + return ret; + + cmd.req.arg[1] = QLC_83XX_MULTI_TENANCY_INFO; + cmd.req.arg[2] = QLC_83XX_ENCAP_TYPE_VXLAN | + QLC_83XX_SET_VXLAN_UDP_DPORT | + QLC_83XX_VXLAN_UDP_DPORT(port); + + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) + netdev_err(adapter->netdev, + "Failed to set VXLAN port %d in adapter\n", + port); + + qlcnic_free_mbx_args(&cmd); + + return ret; +} + +int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, u16 port) +{ + struct qlcnic_cmd_args cmd; + int ret = 0; + + memset(&cmd, 0, sizeof(cmd)); + + ret = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_SET_INGRESS_ENCAP); + if (ret) + return ret; + + cmd.req.arg[1] = port ? QLCNIC_ENABLE_INGRESS_ENCAP_PARSING : + QLCNIC_DISABLE_INGRESS_ENCAP_PARSING; + + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) + netdev_err(adapter->netdev, + "Failed to %s VXLAN parsing for port %d\n", + port ? "enable" : "disable", port); + else + netdev_info(adapter->netdev, + "%s VXLAN parsing for port %d\n", + port ? "Enabled" : "Disabled", port); + + qlcnic_free_mbx_args(&cmd); + + return ret; +} + +static void qlcnic_83xx_periodic_tasks(struct qlcnic_adapter *adapter) +{ + if (adapter->fhash.fnum) + qlcnic_prune_lb_filters(adapter); +} + +/** + * qlcnic_83xx_idc_poll_dev_state + * + * @work: kernel work queue structure used to schedule the function + * + * Poll device state periodically and perform state specific + * actions defined by Inter Driver Communication (IDC) protocol. + * + * Returns: None + * + **/ +void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work) +{ + struct qlcnic_adapter *adapter; + u32 state; + + adapter = container_of(work, struct qlcnic_adapter, fw_work.work); + state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); + + if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { + qlcnic_83xx_idc_log_state_history(adapter); + adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; + } else { + adapter->ahw->idc.curr_state = state; + } + + switch (adapter->ahw->idc.curr_state) { + case QLC_83XX_IDC_DEV_READY: + qlcnic_83xx_idc_ready_state(adapter); + break; + case QLC_83XX_IDC_DEV_NEED_RESET: + qlcnic_83xx_idc_need_reset_state(adapter); + break; + case QLC_83XX_IDC_DEV_NEED_QUISCENT: + qlcnic_83xx_idc_need_quiesce_state(adapter); + break; + case QLC_83XX_IDC_DEV_FAILED: + qlcnic_83xx_idc_failed_state(adapter); + return; + case QLC_83XX_IDC_DEV_INIT: + qlcnic_83xx_idc_init_state(adapter); + break; + case QLC_83XX_IDC_DEV_QUISCENT: + qlcnic_83xx_idc_quiesce_state(adapter); + break; + default: + qlcnic_83xx_idc_unknown_state(adapter); + return; + } + adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state; + qlcnic_83xx_periodic_tasks(adapter); + + /* Re-schedule the function */ + if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status)) + qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, + adapter->ahw->idc.delay); +} + +static void qlcnic_83xx_setup_idc_parameters(struct qlcnic_adapter *adapter) +{ + u32 idc_params, val; + + if (qlcnic_83xx_flash_read32(adapter, QLC_83XX_IDC_FLASH_PARAM_ADDR, + (u8 *)&idc_params, 1)) { + dev_info(&adapter->pdev->dev, + "%s:failed to get IDC params from flash\n", __func__); + adapter->dev_init_timeo = QLC_83XX_IDC_INIT_TIMEOUT_SECS; + adapter->reset_ack_timeo = QLC_83XX_IDC_RESET_TIMEOUT_SECS; + } else { + adapter->dev_init_timeo = idc_params & 0xFFFF; + adapter->reset_ack_timeo = ((idc_params >> 16) & 0xFFFF); + } + + adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; + adapter->ahw->idc.prev_state = QLC_83XX_IDC_DEV_UNKNOWN; + adapter->ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; + adapter->ahw->idc.err_code = 0; + adapter->ahw->idc.collect_dump = 0; + adapter->ahw->idc.name = (char **)qlc_83xx_idc_states; + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); + + /* Check if reset recovery is disabled */ + if (!qlcnic_auto_fw_reset) { + /* Propagate do not reset request to other functions */ + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val = val | QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + } +} + +static int +qlcnic_83xx_idc_first_to_load_function_handler(struct qlcnic_adapter *adapter) +{ + u32 state, val; + + if (qlcnic_83xx_lock_driver(adapter)) + return -EIO; + + /* Clear driver lock register */ + QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, 0); + if (qlcnic_83xx_idc_update_major_version(adapter, 0)) { + qlcnic_83xx_unlock_driver(adapter); + return -EIO; + } + + state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); + if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { + qlcnic_83xx_unlock_driver(adapter); + return -EIO; + } + + if (state != QLC_83XX_IDC_DEV_COLD && qlcnic_load_fw_file) { + QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, + QLC_83XX_IDC_DEV_COLD); + state = QLC_83XX_IDC_DEV_COLD; + } + + adapter->ahw->idc.curr_state = state; + /* First to load function should cold boot the device */ + if (state == QLC_83XX_IDC_DEV_COLD) + qlcnic_83xx_idc_cold_state_handler(adapter); + + /* Check if reset recovery is enabled */ + if (qlcnic_auto_fw_reset) { + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val = val & ~QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + } + + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +int qlcnic_83xx_idc_init(struct qlcnic_adapter *adapter) +{ + int ret = -EIO; + + qlcnic_83xx_setup_idc_parameters(adapter); + + if (qlcnic_83xx_get_reset_instruction_template(adapter)) + return ret; + + if (!qlcnic_83xx_idc_check_driver_presence_reg(adapter)) { + if (qlcnic_83xx_idc_first_to_load_function_handler(adapter)) + return -EIO; + } else { + if (qlcnic_83xx_idc_check_major_version(adapter)) + return -EIO; + } + + qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); + + return 0; +} + +void qlcnic_83xx_idc_exit(struct qlcnic_adapter *adapter) +{ + int id; + u32 val; + + while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + usleep_range(10000, 11000); + + id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + id = id & 0xFF; + + if (id == adapter->portnum) { + dev_err(&adapter->pdev->dev, + "%s: wait for lock recovery.. %d\n", __func__, id); + msleep(20); + id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); + id = id & 0xFF; + } + + /* Clear driver presence bit */ + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + val = val & ~(1 << adapter->portnum); + QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); + clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + + cancel_delayed_work_sync(&adapter->fw_work); +} + +void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key) +{ + u32 val; + + if (qlcnic_sriov_vf_check(adapter)) + return; + + if (qlcnic_83xx_lock_driver(adapter)) { + dev_err(&adapter->pdev->dev, + "%s:failed, please retry\n", __func__); + return; + } + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { + netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", + __func__); + qlcnic_83xx_idc_enter_failed_state(adapter, 0); + qlcnic_83xx_unlock_driver(adapter); + return; + } + + if (key == QLCNIC_FORCE_FW_RESET) { + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val = val | QLC_83XX_IDC_GRACEFULL_RESET; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + } else if (key == QLCNIC_FORCE_FW_DUMP_KEY) { + adapter->ahw->idc.collect_dump = 1; + } + + qlcnic_83xx_unlock_driver(adapter); + return; +} + +static int qlcnic_83xx_copy_bootloader(struct qlcnic_adapter *adapter) +{ + u8 *p_cache; + u32 src, size; + u64 dest; + int ret = -EIO; + + src = QLC_83XX_BOOTLOADER_FLASH_ADDR; + dest = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_ADDR); + size = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_SIZE); + + /* alignment check */ + if (size & 0xF) + size = (size + 16) & ~0xF; + + p_cache = vzalloc(size); + if (p_cache == NULL) + return -ENOMEM; + + ret = qlcnic_83xx_lockless_flash_read32(adapter, src, p_cache, + size / sizeof(u32)); + if (ret) { + vfree(p_cache); + return ret; + } + /* 16 byte write to MS memory */ + ret = qlcnic_ms_mem_write128(adapter, dest, (u32 *)p_cache, + size / 16); + if (ret) { + vfree(p_cache); + return ret; + } + vfree(p_cache); + + return ret; +} + +static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) +{ + struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; + const struct firmware *fw = fw_info->fw; + u32 dest, *p_cache, *temp; + int i, ret = -EIO; + __le32 *temp_le; + u8 data[16]; + size_t size; + u64 addr; + + temp = vzalloc(fw->size); + if (!temp) { + release_firmware(fw); + fw_info->fw = NULL; + return -ENOMEM; + } + + temp_le = (__le32 *)fw->data; + + /* FW image in file is in little endian, swap the data to nullify + * the effect of writel() operation on big endian platform. + */ + for (i = 0; i < fw->size / sizeof(u32); i++) + temp[i] = __le32_to_cpu(temp_le[i]); + + dest = QLCRDX(adapter->ahw, QLCNIC_FW_IMAGE_ADDR); + size = (fw->size & ~0xF); + p_cache = temp; + addr = (u64)dest; + + ret = qlcnic_ms_mem_write128(adapter, addr, + p_cache, size / 16); + if (ret) { + dev_err(&adapter->pdev->dev, "MS memory write failed\n"); + goto exit; + } + + /* alignment check */ + if (fw->size & 0xF) { + addr = dest + size; + for (i = 0; i < (fw->size & 0xF); i++) + data[i] = ((u8 *)temp)[size + i]; + for (; i < 16; i++) + data[i] = 0; + ret = qlcnic_ms_mem_write128(adapter, addr, + (u32 *)data, 1); + if (ret) { + dev_err(&adapter->pdev->dev, + "MS memory write failed\n"); + goto exit; + } + } + +exit: + release_firmware(fw); + fw_info->fw = NULL; + vfree(temp); + + return ret; +} + +static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) +{ + int i, j; + u32 val = 0, val1 = 0, reg = 0; + int err = 0; + + val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG, &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "SRE-Shim Ctrl:0x%x\n", val); + + for (j = 0; j < 2; j++) { + if (j == 0) { + dev_info(&adapter->pdev->dev, + "Port 0 RxB Pause Threshold Regs[TC7..TC0]:"); + reg = QLC_83XX_PORT0_THRESHOLD; + } else if (j == 1) { + dev_info(&adapter->pdev->dev, + "Port 1 RxB Pause Threshold Regs[TC7..TC0]:"); + reg = QLC_83XX_PORT1_THRESHOLD; + } + for (i = 0; i < 8; i++) { + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "0x%x ", val); + } + dev_info(&adapter->pdev->dev, "\n"); + } + + for (j = 0; j < 2; j++) { + if (j == 0) { + dev_info(&adapter->pdev->dev, + "Port 0 RxB TC Max Cell Registers[4..1]:"); + reg = QLC_83XX_PORT0_TC_MC_REG; + } else if (j == 1) { + dev_info(&adapter->pdev->dev, + "Port 1 RxB TC Max Cell Registers[4..1]:"); + reg = QLC_83XX_PORT1_TC_MC_REG; + } + for (i = 0; i < 4; i++) { + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "0x%x ", val); + } + dev_info(&adapter->pdev->dev, "\n"); + } + + for (j = 0; j < 2; j++) { + if (j == 0) { + dev_info(&adapter->pdev->dev, + "Port 0 RxB Rx TC Stats[TC7..TC0]:"); + reg = QLC_83XX_PORT0_TC_STATS; + } else if (j == 1) { + dev_info(&adapter->pdev->dev, + "Port 1 RxB Rx TC Stats[TC7..TC0]:"); + reg = QLC_83XX_PORT1_TC_STATS; + } + for (i = 7; i >= 0; i--) { + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; + val &= ~(0x7 << 29); /* Reset bits 29 to 31 */ + QLCWR32(adapter, reg, (val | (i << 29))); + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "0x%x ", val); + } + dev_info(&adapter->pdev->dev, "\n"); + } + + val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, &err); + if (err == -EIO) + return; + val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, + "IFB-Pause Thresholds: Port 2:0x%x, Port 3:0x%x\n", + val, val1); +} + + +static void qlcnic_83xx_disable_pause_frames(struct qlcnic_adapter *adapter) +{ + u32 reg = 0, i, j; + + if (qlcnic_83xx_lock_driver(adapter)) { + dev_err(&adapter->pdev->dev, + "%s:failed to acquire driver lock\n", __func__); + return; + } + + qlcnic_83xx_dump_pause_control_regs(adapter); + QLCWR32(adapter, QLC_83XX_SRE_SHIM_REG, 0x0); + + for (j = 0; j < 2; j++) { + if (j == 0) + reg = QLC_83XX_PORT0_THRESHOLD; + else if (j == 1) + reg = QLC_83XX_PORT1_THRESHOLD; + + for (i = 0; i < 8; i++) + QLCWR32(adapter, reg + (i * 0x4), 0x0); + } + + for (j = 0; j < 2; j++) { + if (j == 0) + reg = QLC_83XX_PORT0_TC_MC_REG; + else if (j == 1) + reg = QLC_83XX_PORT1_TC_MC_REG; + + for (i = 0; i < 4; i++) + QLCWR32(adapter, reg + (i * 0x4), 0x03FF03FF); + } + + QLCWR32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, 0); + QLCWR32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, 0); + dev_info(&adapter->pdev->dev, + "Disabled pause frames successfully on all ports\n"); + qlcnic_83xx_unlock_driver(adapter); +} + +static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) +{ + QLCWR32(adapter, QLC_83XX_RESET_REG, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT0, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT1, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT2, 0); + QLCWR32(adapter, QLC_83XX_RESET_PORT3, 0); + QLCWR32(adapter, QLC_83XX_RESET_SRESHIM, 0); + QLCWR32(adapter, QLC_83XX_RESET_EPGSHIM, 0); + QLCWR32(adapter, QLC_83XX_RESET_ETHERPCS, 0); + QLCWR32(adapter, QLC_83XX_RESET_CONTROL, 1); +} + +static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) +{ + u32 heartbeat, peg_status; + int retries, ret = -EIO, err = 0; + + retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; + p_dev->heartbeat = QLC_SHARED_REG_RD32(p_dev, + QLCNIC_PEG_ALIVE_COUNTER); + + do { + msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); + heartbeat = QLC_SHARED_REG_RD32(p_dev, + QLCNIC_PEG_ALIVE_COUNTER); + if (heartbeat != p_dev->heartbeat) { + ret = QLCNIC_RCODE_SUCCESS; + break; + } + } while (--retries); + + if (ret) { + dev_err(&p_dev->pdev->dev, "firmware hang detected\n"); + qlcnic_83xx_take_eport_out_of_reset(p_dev); + qlcnic_83xx_disable_pause_frames(p_dev); + peg_status = QLC_SHARED_REG_RD32(p_dev, + QLCNIC_PEG_HALT_STATUS1); + dev_info(&p_dev->pdev->dev, "Dumping HW/FW registers\n" + "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" + "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" + "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" + "PEG_NET_4_PC: 0x%x\n", peg_status, + QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS2), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4, &err)); + + if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) + dev_err(&p_dev->pdev->dev, + "Device is being reset err code 0x00006700.\n"); + } + + return ret; +} + +static int qlcnic_83xx_check_cmd_peg_status(struct qlcnic_adapter *p_dev) +{ + int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; + u32 val; + + do { + val = QLC_SHARED_REG_RD32(p_dev, QLCNIC_CMDPEG_STATE); + if (val == QLC_83XX_CMDPEG_COMPLETE) + return 0; + msleep(QLCNIC_CMDPEG_CHECK_DELAY); + } while (--retries); + + dev_err(&p_dev->pdev->dev, "%s: failed, state = 0x%x\n", __func__, val); + return -EIO; +} + +static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) +{ + int err; + + err = qlcnic_83xx_check_cmd_peg_status(p_dev); + if (err) + return err; + + err = qlcnic_83xx_check_heartbeat(p_dev); + if (err) + return err; + + return err; +} + +static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, + int duration, u32 mask, u32 status) +{ + int timeout_error, err = 0; + u32 value; + u8 retries; + + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; + retries = duration / 10; + + do { + if ((value & mask) != status) { + timeout_error = 1; + msleep(duration / 10); + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; + } else { + timeout_error = 0; + break; + } + } while (retries--); + + if (timeout_error) { + p_dev->ahw->reset.seq_error++; + dev_err(&p_dev->pdev->dev, + "%s: Timeout Err, entry_num = %d\n", + __func__, p_dev->ahw->reset.seq_index); + dev_err(&p_dev->pdev->dev, + "0x%08x 0x%08x 0x%08x\n", + value, mask, status); + } + + return timeout_error; +} + +static int qlcnic_83xx_reset_template_checksum(struct qlcnic_adapter *p_dev) +{ + u32 sum = 0; + u16 *buff = (u16 *)p_dev->ahw->reset.buff; + int count = p_dev->ahw->reset.hdr->size / sizeof(u16); + + while (count-- > 0) + sum += *buff++; + + while (sum >> 16) + sum = (sum & 0xFFFF) + (sum >> 16); + + if (~sum) { + return 0; + } else { + dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); + return -1; + } +} + +static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) +{ + struct qlcnic_hardware_context *ahw = p_dev->ahw; + u32 addr, count, prev_ver, curr_ver; + u8 *p_buff; + + if (ahw->reset.buff != NULL) { + prev_ver = p_dev->fw_version; + curr_ver = qlcnic_83xx_get_fw_version(p_dev); + if (curr_ver > prev_ver) + kfree(ahw->reset.buff); + else + return 0; + } + + ahw->reset.seq_error = 0; + ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL); + if (ahw->reset.buff == NULL) + return -ENOMEM; + + p_buff = p_dev->ahw->reset.buff; + addr = QLC_83XX_RESET_TEMPLATE_ADDR; + count = sizeof(struct qlc_83xx_reset_hdr) / sizeof(u32); + + /* Copy template header from flash */ + if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { + dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); + return -EIO; + } + ahw->reset.hdr = (struct qlc_83xx_reset_hdr *)ahw->reset.buff; + addr = QLC_83XX_RESET_TEMPLATE_ADDR + ahw->reset.hdr->hdr_size; + p_buff = ahw->reset.buff + ahw->reset.hdr->hdr_size; + count = (ahw->reset.hdr->size - ahw->reset.hdr->hdr_size) / sizeof(u32); + + /* Copy rest of the template */ + if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { + dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); + return -EIO; + } + + if (qlcnic_83xx_reset_template_checksum(p_dev)) + return -EIO; + /* Get Stop, Start and Init command offsets */ + ahw->reset.init_offset = ahw->reset.buff + ahw->reset.hdr->init_offset; + ahw->reset.start_offset = ahw->reset.buff + + ahw->reset.hdr->start_offset; + ahw->reset.stop_offset = ahw->reset.buff + ahw->reset.hdr->hdr_size; + return 0; +} + +/* Read Write HW register command */ +static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, + u32 raddr, u32 waddr) +{ + int err = 0; + u32 value; + + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; + qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); +} + +/* Read Modify Write HW register command */ +static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, + u32 raddr, u32 waddr, + struct qlc_83xx_rmw *p_rmw_hdr) +{ + int err = 0; + u32 value; + + if (p_rmw_hdr->index_a) { + value = p_dev->ahw->reset.array[p_rmw_hdr->index_a]; + } else { + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; + } + + value &= p_rmw_hdr->mask; + value <<= p_rmw_hdr->shl; + value >>= p_rmw_hdr->shr; + value |= p_rmw_hdr->or_value; + value ^= p_rmw_hdr->xor_value; + qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); +} + +/* Write HW register command */ +static void qlcnic_83xx_write_list(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + int i; + struct qlc_83xx_entry *entry; + + entry = (struct qlc_83xx_entry *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + + for (i = 0; i < p_hdr->count; i++, entry++) { + qlcnic_83xx_wrt_reg_indirect(p_dev, entry->arg1, + entry->arg2); + if (p_hdr->delay) + udelay((u32)(p_hdr->delay)); + } +} + +/* Read and Write instruction */ +static void qlcnic_83xx_read_write_list(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + int i; + struct qlc_83xx_entry *entry; + + entry = (struct qlc_83xx_entry *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + + for (i = 0; i < p_hdr->count; i++, entry++) { + qlcnic_83xx_read_write_crb_reg(p_dev, entry->arg1, + entry->arg2); + if (p_hdr->delay) + udelay((u32)(p_hdr->delay)); + } +} + +/* Poll HW register command */ +static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + long delay; + struct qlc_83xx_entry *entry; + struct qlc_83xx_poll *poll; + int i, err = 0; + unsigned long arg1, arg2; + + poll = (struct qlc_83xx_poll *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + + entry = (struct qlc_83xx_entry *)((char *)poll + + sizeof(struct qlc_83xx_poll)); + delay = (long)p_hdr->delay; + + if (!delay) { + for (i = 0; i < p_hdr->count; i++, entry++) + qlcnic_83xx_poll_reg(p_dev, entry->arg1, + delay, poll->mask, + poll->status); + } else { + for (i = 0; i < p_hdr->count; i++, entry++) { + arg1 = entry->arg1; + arg2 = entry->arg2; + if (delay) { + if (qlcnic_83xx_poll_reg(p_dev, + arg1, delay, + poll->mask, + poll->status)){ + QLCRD32(p_dev, arg1, &err); + if (err == -EIO) + return; + QLCRD32(p_dev, arg2, &err); + if (err == -EIO) + return; + } + } + } + } +} + +/* Poll and write HW register command */ +static void qlcnic_83xx_poll_write_list(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + int i; + long delay; + struct qlc_83xx_quad_entry *entry; + struct qlc_83xx_poll *poll; + + poll = (struct qlc_83xx_poll *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + entry = (struct qlc_83xx_quad_entry *)((char *)poll + + sizeof(struct qlc_83xx_poll)); + delay = (long)p_hdr->delay; + + for (i = 0; i < p_hdr->count; i++, entry++) { + qlcnic_83xx_wrt_reg_indirect(p_dev, entry->dr_addr, + entry->dr_value); + qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, + entry->ar_value); + if (delay) + qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, + poll->mask, poll->status); + } +} + +/* Read Modify Write register command */ +static void qlcnic_83xx_read_modify_write(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + int i; + struct qlc_83xx_entry *entry; + struct qlc_83xx_rmw *rmw_hdr; + + rmw_hdr = (struct qlc_83xx_rmw *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + + entry = (struct qlc_83xx_entry *)((char *)rmw_hdr + + sizeof(struct qlc_83xx_rmw)); + + for (i = 0; i < p_hdr->count; i++, entry++) { + qlcnic_83xx_rmw_crb_reg(p_dev, entry->arg1, + entry->arg2, rmw_hdr); + if (p_hdr->delay) + udelay((u32)(p_hdr->delay)); + } +} + +static void qlcnic_83xx_pause(struct qlc_83xx_entry_hdr *p_hdr) +{ + if (p_hdr->delay) + mdelay((u32)((long)p_hdr->delay)); +} + +/* Read and poll register command */ +static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, + struct qlc_83xx_entry_hdr *p_hdr) +{ + long delay; + int index, i, j, err; + struct qlc_83xx_quad_entry *entry; + struct qlc_83xx_poll *poll; + unsigned long addr; + + poll = (struct qlc_83xx_poll *)((char *)p_hdr + + sizeof(struct qlc_83xx_entry_hdr)); + + entry = (struct qlc_83xx_quad_entry *)((char *)poll + + sizeof(struct qlc_83xx_poll)); + delay = (long)p_hdr->delay; + + for (i = 0; i < p_hdr->count; i++, entry++) { + qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, + entry->ar_value); + if (delay) { + if (!qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, + poll->mask, poll->status)){ + index = p_dev->ahw->reset.array_index; + addr = entry->dr_addr; + j = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return; + + p_dev->ahw->reset.array[index++] = j; + + if (index == QLC_83XX_MAX_RESET_SEQ_ENTRIES) + p_dev->ahw->reset.array_index = 1; + } + } + } +} + +static inline void qlcnic_83xx_seq_end(struct qlcnic_adapter *p_dev) +{ + p_dev->ahw->reset.seq_end = 1; +} + +static void qlcnic_83xx_template_end(struct qlcnic_adapter *p_dev) +{ + p_dev->ahw->reset.template_end = 1; + if (p_dev->ahw->reset.seq_error == 0) + dev_err(&p_dev->pdev->dev, + "HW restart process completed successfully.\n"); + else + dev_err(&p_dev->pdev->dev, + "HW restart completed with timeout errors.\n"); +} + +/** +* qlcnic_83xx_exec_template_cmd +* +* @p_dev: adapter structure +* @p_buff: Poiter to instruction template +* +* Template provides instructions to stop, restart and initalize firmware. +* These instructions are abstracted as a series of read, write and +* poll operations on hardware registers. Register information and operation +* specifics are not exposed to the driver. Driver reads the template from +* flash and executes the instructions located at pre-defined offsets. +* +* Returns: None +* */ +static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev, + char *p_buff) +{ + int index, entries; + struct qlc_83xx_entry_hdr *p_hdr; + char *entry = p_buff; + + p_dev->ahw->reset.seq_end = 0; + p_dev->ahw->reset.template_end = 0; + entries = p_dev->ahw->reset.hdr->entries; + index = p_dev->ahw->reset.seq_index; + + for (; (!p_dev->ahw->reset.seq_end) && (index < entries); index++) { + p_hdr = (struct qlc_83xx_entry_hdr *)entry; + + switch (p_hdr->cmd) { + case QLC_83XX_OPCODE_NOP: + break; + case QLC_83XX_OPCODE_WRITE_LIST: + qlcnic_83xx_write_list(p_dev, p_hdr); + break; + case QLC_83XX_OPCODE_READ_WRITE_LIST: + qlcnic_83xx_read_write_list(p_dev, p_hdr); + break; + case QLC_83XX_OPCODE_POLL_LIST: + qlcnic_83xx_poll_list(p_dev, p_hdr); + break; + case QLC_83XX_OPCODE_POLL_WRITE_LIST: + qlcnic_83xx_poll_write_list(p_dev, p_hdr); + break; + case QLC_83XX_OPCODE_READ_MODIFY_WRITE: + qlcnic_83xx_read_modify_write(p_dev, p_hdr); + break; + case QLC_83XX_OPCODE_SEQ_PAUSE: + qlcnic_83xx_pause(p_hdr); + break; + case QLC_83XX_OPCODE_SEQ_END: + qlcnic_83xx_seq_end(p_dev); + break; + case QLC_83XX_OPCODE_TMPL_END: + qlcnic_83xx_template_end(p_dev); + break; + case QLC_83XX_OPCODE_POLL_READ_LIST: + qlcnic_83xx_poll_read_list(p_dev, p_hdr); + break; + default: + dev_err(&p_dev->pdev->dev, + "%s: Unknown opcode 0x%04x in template %d\n", + __func__, p_hdr->cmd, index); + break; + } + entry += p_hdr->size; + cond_resched(); + } + p_dev->ahw->reset.seq_index = index; +} + +static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev) +{ + p_dev->ahw->reset.seq_index = 0; + + qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.stop_offset); + if (p_dev->ahw->reset.seq_end != 1) + dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); +} + +static void qlcnic_83xx_start_hw(struct qlcnic_adapter *p_dev) +{ + qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.start_offset); + if (p_dev->ahw->reset.template_end != 1) + dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); +} + +static void qlcnic_83xx_init_hw(struct qlcnic_adapter *p_dev) +{ + qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.init_offset); + if (p_dev->ahw->reset.seq_end != 1) + dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); +} + +/* POST FW related definations*/ +#define QLC_83XX_POST_SIGNATURE_REG 0x41602014 +#define QLC_83XX_POST_MODE_REG 0x41602018 +#define QLC_83XX_POST_FAST_MODE 0 +#define QLC_83XX_POST_MEDIUM_MODE 1 +#define QLC_83XX_POST_SLOW_MODE 2 + +/* POST Timeout values in milliseconds */ +#define QLC_83XX_POST_FAST_MODE_TIMEOUT 690 +#define QLC_83XX_POST_MED_MODE_TIMEOUT 2930 +#define QLC_83XX_POST_SLOW_MODE_TIMEOUT 7500 + +/* POST result values */ +#define QLC_83XX_POST_PASS 0xfffffff0 +#define QLC_83XX_POST_ASIC_STRESS_TEST_FAIL 0xffffffff +#define QLC_83XX_POST_DDR_TEST_FAIL 0xfffffffe +#define QLC_83XX_POST_ASIC_MEMORY_TEST_FAIL 0xfffffffc +#define QLC_83XX_POST_FLASH_TEST_FAIL 0xfffffff8 + +static int qlcnic_83xx_run_post(struct qlcnic_adapter *adapter) +{ + struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; + struct device *dev = &adapter->pdev->dev; + int timeout, count, ret = 0; + u32 signature; + + /* Set timeout values with extra 2 seconds of buffer */ + switch (adapter->ahw->post_mode) { + case QLC_83XX_POST_FAST_MODE: + timeout = QLC_83XX_POST_FAST_MODE_TIMEOUT + 2000; + break; + case QLC_83XX_POST_MEDIUM_MODE: + timeout = QLC_83XX_POST_MED_MODE_TIMEOUT + 2000; + break; + case QLC_83XX_POST_SLOW_MODE: + timeout = QLC_83XX_POST_SLOW_MODE_TIMEOUT + 2000; + break; + default: + return -EINVAL; + } + + strncpy(fw_info->fw_file_name, QLC_83XX_POST_FW_FILE_NAME, + QLC_FW_FILE_NAME_LEN); + + ret = request_firmware(&fw_info->fw, fw_info->fw_file_name, dev); + if (ret) { + dev_err(dev, "POST firmware can not be loaded, skipping POST\n"); + return 0; + } + + ret = qlcnic_83xx_copy_fw_file(adapter); + if (ret) + return ret; + + /* clear QLC_83XX_POST_SIGNATURE_REG register */ + qlcnic_ind_wr(adapter, QLC_83XX_POST_SIGNATURE_REG, 0); + + /* Set POST mode */ + qlcnic_ind_wr(adapter, QLC_83XX_POST_MODE_REG, + adapter->ahw->post_mode); + + QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, + QLC_83XX_BOOT_FROM_FILE); + + qlcnic_83xx_start_hw(adapter); + + count = 0; + do { + msleep(100); + count += 100; + + signature = qlcnic_ind_rd(adapter, QLC_83XX_POST_SIGNATURE_REG); + if (signature == QLC_83XX_POST_PASS) + break; + } while (timeout > count); + + if (timeout <= count) { + dev_err(dev, "POST timed out, signature = 0x%08x\n", signature); + return -EIO; + } + + switch (signature) { + case QLC_83XX_POST_PASS: + dev_info(dev, "POST passed, Signature = 0x%08x\n", signature); + break; + case QLC_83XX_POST_ASIC_STRESS_TEST_FAIL: + dev_err(dev, "POST failed, Test case : ASIC STRESS TEST, Signature = 0x%08x\n", + signature); + ret = -EIO; + break; + case QLC_83XX_POST_DDR_TEST_FAIL: + dev_err(dev, "POST failed, Test case : DDT TEST, Signature = 0x%08x\n", + signature); + ret = -EIO; + break; + case QLC_83XX_POST_ASIC_MEMORY_TEST_FAIL: + dev_err(dev, "POST failed, Test case : ASIC MEMORY TEST, Signature = 0x%08x\n", + signature); + ret = -EIO; + break; + case QLC_83XX_POST_FLASH_TEST_FAIL: + dev_err(dev, "POST failed, Test case : FLASH TEST, Signature = 0x%08x\n", + signature); + ret = -EIO; + break; + default: + dev_err(dev, "POST failed, Test case : INVALID, Signature = 0x%08x\n", + signature); + ret = -EIO; + break; + } + + return ret; +} + +static int qlcnic_83xx_load_fw_image_from_host(struct qlcnic_adapter *adapter) +{ + struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; + int err = -EIO; + + if (request_firmware(&fw_info->fw, fw_info->fw_file_name, + &(adapter->pdev->dev))) { + dev_err(&adapter->pdev->dev, + "No file FW image, loading flash FW image.\n"); + QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, + QLC_83XX_BOOT_FROM_FLASH); + } else { + if (qlcnic_83xx_copy_fw_file(adapter)) + return err; + QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, + QLC_83XX_BOOT_FROM_FILE); + } + + return 0; +} + +static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter) +{ + u32 val; + int err = -EIO; + + qlcnic_83xx_stop_hw(adapter); + + /* Collect FW register dump if required */ + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + if (!(val & QLC_83XX_IDC_GRACEFULL_RESET)) + qlcnic_dump_fw(adapter); + + if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { + netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", + __func__); + qlcnic_83xx_idc_enter_failed_state(adapter, 1); + return err; + } + + qlcnic_83xx_init_hw(adapter); + + if (qlcnic_83xx_copy_bootloader(adapter)) + return err; + + /* Check if POST needs to be run */ + if (adapter->ahw->run_post) { + err = qlcnic_83xx_run_post(adapter); + if (err) + return err; + + /* No need to run POST in next reset sequence */ + adapter->ahw->run_post = false; + + /* Again reset the adapter to load regular firmware */ + qlcnic_83xx_stop_hw(adapter); + qlcnic_83xx_init_hw(adapter); + + err = qlcnic_83xx_copy_bootloader(adapter); + if (err) + return err; + } + + /* Boot either flash image or firmware image from host file system */ + if (qlcnic_load_fw_file == 1) { + err = qlcnic_83xx_load_fw_image_from_host(adapter); + if (err) + return err; + } else { + QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, + QLC_83XX_BOOT_FROM_FLASH); + } + + qlcnic_83xx_start_hw(adapter); + if (qlcnic_83xx_check_hw_status(adapter)) + return -EIO; + + return 0; +} + +static int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter) +{ + int err; + struct qlcnic_info nic_info; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); + if (err) + return -EIO; + + ahw->physical_port = (u8) nic_info.phys_port; + ahw->switch_mode = nic_info.switch_mode; + ahw->max_tx_ques = nic_info.max_tx_ques; + ahw->max_rx_ques = nic_info.max_rx_ques; + ahw->capabilities = nic_info.capabilities; + ahw->max_mac_filters = nic_info.max_mac_filters; + ahw->max_mtu = nic_info.max_mtu; + + /* eSwitch capability indicates vNIC mode. + * vNIC and SRIOV are mutually exclusive operational modes. + * If SR-IOV capability is detected, SR-IOV physical function + * will get initialized in default mode. + * SR-IOV virtual function initialization follows a + * different code path and opmode. + * SRIOV mode has precedence over vNIC mode. + */ + if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state)) + return QLC_83XX_DEFAULT_OPMODE; + + if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) + return QLCNIC_VNIC_MODE; + + return QLC_83XX_DEFAULT_OPMODE; +} + +int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u16 max_sds_rings, max_tx_rings; + int ret; + + ret = qlcnic_83xx_get_nic_configuration(adapter); + if (ret == -EIO) + return -EIO; + + if (ret == QLCNIC_VNIC_MODE) { + ahw->nic_mode = QLCNIC_VNIC_MODE; + + if (qlcnic_83xx_config_vnic_opmode(adapter)) + return -EIO; + + max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; + max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS; + } else if (ret == QLC_83XX_DEFAULT_OPMODE) { + ahw->nic_mode = QLCNIC_DEFAULT_MODE; + adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; + ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; + max_sds_rings = QLCNIC_MAX_SDS_RINGS; + max_tx_rings = QLCNIC_MAX_TX_RINGS; + } else { + dev_err(&adapter->pdev->dev, "%s: Invalid opmode %d\n", + __func__, ret); + return -EIO; + } + + adapter->max_sds_rings = min(ahw->max_rx_ques, max_sds_rings); + adapter->max_tx_rings = min(ahw->max_tx_ques, max_tx_rings); + + return 0; +} + +static void qlcnic_83xx_config_buff_descriptors(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (ahw->port_type == QLCNIC_XGBE) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + + } else if (ahw->port_type == QLCNIC_GBE) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; + } + adapter->num_txd = MAX_CMD_DESCRIPTORS; + adapter->max_rds_rings = MAX_RDS_RINGS; +} + +static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter) +{ + int err = -EIO; + + qlcnic_83xx_get_minidump_template(adapter); + if (qlcnic_83xx_get_port_info(adapter)) + return err; + + qlcnic_83xx_config_buff_descriptors(adapter); + adapter->ahw->msix_supported = !!qlcnic_use_msi_x; + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + + dev_info(&adapter->pdev->dev, "HAL Version: %d\n", + adapter->ahw->fw_hal_version); + + return 0; +} + +#define IS_QLC_83XX_USED(a, b, c) (((1 << a->portnum) & b) || ((c >> 6) & 0x1)) +static void qlcnic_83xx_clear_function_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_cmd_args cmd; + u32 presence_mask, audit_mask; + int status; + + presence_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); + audit_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); + + if (IS_QLC_83XX_USED(adapter, presence_mask, audit_mask)) { + status = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_STOP_NIC_FUNC); + if (status) + return; + + cmd.req.arg[1] = BIT_31; + status = qlcnic_issue_cmd(adapter, &cmd); + if (status) + dev_err(&adapter->pdev->dev, + "Failed to clean up the function resources\n"); + qlcnic_free_mbx_args(&cmd); + } +} + +static int qlcnic_83xx_get_fw_info(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct pci_dev *pdev = adapter->pdev; + struct qlc_83xx_fw_info *fw_info; + int err = 0; + + ahw->fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL); + if (!ahw->fw_info) { + err = -ENOMEM; + } else { + fw_info = ahw->fw_info; + switch (pdev->device) { + case PCI_DEVICE_ID_QLOGIC_QLE834X: + case PCI_DEVICE_ID_QLOGIC_QLE8830: + strncpy(fw_info->fw_file_name, QLC_83XX_FW_FILE_NAME, + QLC_FW_FILE_NAME_LEN); + break; + case PCI_DEVICE_ID_QLOGIC_QLE844X: + strncpy(fw_info->fw_file_name, QLC_84XX_FW_FILE_NAME, + QLC_FW_FILE_NAME_LEN); + break; + default: + dev_err(&pdev->dev, "%s: Invalid device id\n", + __func__); + err = -EINVAL; + break; + } + } + + return err; +} + +static void qlcnic_83xx_init_rings(struct qlcnic_adapter *adapter) +{ + u8 rx_cnt = QLCNIC_DEF_SDS_RINGS; + u8 tx_cnt = QLCNIC_DEF_TX_RINGS; + + adapter->max_tx_rings = QLCNIC_MAX_TX_RINGS; + adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; + + if (!adapter->ahw->msix_supported) { + rx_cnt = QLCNIC_SINGLE_RING; + tx_cnt = QLCNIC_SINGLE_RING; + } + + /* compute and set drv sds rings */ + qlcnic_set_tx_ring_count(adapter, tx_cnt); + qlcnic_set_sds_ring_count(adapter, rx_cnt); +} + +int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err = 0; + + adapter->rx_mac_learn = false; + ahw->msix_supported = !!qlcnic_use_msi_x; + + /* Check if POST needs to be run */ + switch (qlcnic_load_fw_file) { + case 2: + ahw->post_mode = QLC_83XX_POST_FAST_MODE; + ahw->run_post = true; + break; + case 3: + ahw->post_mode = QLC_83XX_POST_MEDIUM_MODE; + ahw->run_post = true; + break; + case 4: + ahw->post_mode = QLC_83XX_POST_SLOW_MODE; + ahw->run_post = true; + break; + default: + ahw->run_post = false; + break; + } + + qlcnic_83xx_init_rings(adapter); + + err = qlcnic_83xx_init_mailbox_work(adapter); + if (err) + goto exit; + + if (qlcnic_sriov_vf_check(adapter)) { + err = qlcnic_sriov_vf_init(adapter, pci_using_dac); + if (err) + goto detach_mbx; + else + return err; + } + + if (qlcnic_83xx_read_flash_descriptor_table(adapter) || + qlcnic_83xx_read_flash_mfg_id(adapter)) { + dev_err(&adapter->pdev->dev, "Failed reading flash mfg id\n"); + err = -ENOTRECOVERABLE; + goto detach_mbx; + } + + err = qlcnic_83xx_check_hw_status(adapter); + if (err) + goto detach_mbx; + + err = qlcnic_83xx_get_fw_info(adapter); + if (err) + goto detach_mbx; + + err = qlcnic_83xx_idc_init(adapter); + if (err) + goto detach_mbx; + + err = qlcnic_setup_intr(adapter); + if (err) { + dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); + goto disable_intr; + } + + INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); + + err = qlcnic_83xx_setup_mbx_intr(adapter); + if (err) + goto disable_mbx_intr; + + qlcnic_83xx_clear_function_resources(adapter); + + err = qlcnic_dcb_enable(adapter->dcb); + if (err) { + qlcnic_dcb_free(adapter->dcb); + goto disable_mbx_intr; + } + + qlcnic_83xx_initialize_nic(adapter, 1); + qlcnic_dcb_get_info(adapter->dcb); + + /* Configure default, SR-IOV or Virtual NIC mode of operation */ + err = qlcnic_83xx_configure_opmode(adapter); + if (err) + goto disable_mbx_intr; + + + /* Perform operating mode specific initialization */ + err = adapter->nic_ops->init_driver(adapter); + if (err) + goto disable_mbx_intr; + + /* Periodically monitor device status */ + qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); + return 0; + +disable_mbx_intr: + qlcnic_83xx_free_mbx_intr(adapter); + +disable_intr: + qlcnic_teardown_intr(adapter); + +detach_mbx: + qlcnic_83xx_detach_mailbox_work(adapter); + qlcnic_83xx_free_mailbox(ahw->mailbox); + ahw->mailbox = NULL; +exit: + return err; +} + +void qlcnic_83xx_aer_stop_poll_work(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlc_83xx_idc *idc = &ahw->idc; + + clear_bit(QLC_83XX_MBX_READY, &idc->status); + cancel_delayed_work_sync(&adapter->fw_work); + + if (ahw->nic_mode == QLCNIC_VNIC_MODE) + qlcnic_83xx_disable_vnic_mode(adapter, 1); + + qlcnic_83xx_idc_detach_driver(adapter); + qlcnic_83xx_initialize_nic(adapter, 0); + + cancel_delayed_work_sync(&adapter->idc_aen_work); +} + +int qlcnic_83xx_aer_reset(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlc_83xx_idc *idc = &ahw->idc; + int ret = 0; + u32 owner; + + /* Mark the previous IDC state as NEED_RESET so + * that state_entry() will perform the reattachment + * and bringup the device + */ + idc->prev_state = QLC_83XX_IDC_DEV_NEED_RESET; + owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); + if (ahw->pci_func == owner) { + ret = qlcnic_83xx_restart_hw(adapter); + if (ret < 0) + return ret; + qlcnic_83xx_idc_clear_registers(adapter, 0); + } + + ret = idc->state_entry(adapter); + return ret; +} + +void qlcnic_83xx_aer_start_poll_work(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlc_83xx_idc *idc = &ahw->idc; + u32 owner; + + idc->prev_state = QLC_83XX_IDC_DEV_READY; + owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); + if (ahw->pci_func == owner) + qlcnic_83xx_idc_enter_ready_state(adapter, 0); + + qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, 0); +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c new file mode 100644 index 000000000..c4297aea7 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c @@ -0,0 +1,284 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include "qlcnic.h" +#include "qlcnic_hw.h" + +static int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock) +{ + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER); + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (lock) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + } + + QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER); + ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER; + + if (lock) + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter) +{ + u8 id; + int ret = -EBUSY; + u32 data = QLCNIC_MGMT_FUNC; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (qlcnic_83xx_lock_driver(adapter)) + return ret; + + id = ahw->pci_func; + data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); + data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) | + QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id); + + QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data); + + qlcnic_83xx_unlock_driver(adapter); + + return 0; +} + +static void +qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (ahw->port_type == QLCNIC_XGBE) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + + } else if (ahw->port_type == QLCNIC_GBE) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; + } + adapter->num_txd = MAX_CMD_DESCRIPTORS; + adapter->max_rds_rings = MAX_RDS_RINGS; +} + + +/** + * qlcnic_83xx_init_mgmt_vnic + * + * @adapter: adapter structure + * Management virtual NIC sets the operational mode of other vNIC's and + * configures embedded switch (ESWITCH). + * Returns: Success(0) or error code. + * + **/ +static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct device *dev = &adapter->pdev->dev; + struct qlcnic_npar_info *npar; + int i, err = -EIO; + + qlcnic_83xx_get_minidump_template(adapter); + + if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) { + if (qlcnic_init_pci_info(adapter)) + return err; + + npar = adapter->npars; + + for (i = 0; i < ahw->total_nic_func; i++, npar++) { + dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n", + npar->pci_func, npar->active, npar->type, + npar->phy_port, npar->min_bw, npar->max_bw, + npar->mac); + } + + dev_info(dev, "Max functions = %d, active functions = %d\n", + ahw->max_pci_func, ahw->total_nic_func); + + if (qlcnic_83xx_set_vnic_opmode(adapter)) + return err; + + if (qlcnic_set_default_offload_settings(adapter)) + return err; + } else { + if (qlcnic_reset_npar_config(adapter)) + return err; + } + + if (qlcnic_83xx_get_port_info(adapter)) + return err; + + qlcnic_83xx_config_vnic_buff_descriptors(adapter); + ahw->msix_supported = qlcnic_use_msi_x ? 1 : 0; + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + qlcnic_83xx_enable_vnic_mode(adapter, 1); + + dev_info(dev, "HAL Version: %d, Management function\n", + ahw->fw_hal_version); + + return 0; +} + +static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter) +{ + int err = -EIO; + + qlcnic_83xx_get_minidump_template(adapter); + if (qlcnic_83xx_get_port_info(adapter)) + return err; + + qlcnic_83xx_config_vnic_buff_descriptors(adapter); + adapter->ahw->msix_supported = !!qlcnic_use_msi_x; + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + + dev_info(&adapter->pdev->dev, + "HAL Version: %d, Privileged function\n", + adapter->ahw->fw_hal_version); + return 0; +} + +static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter) +{ + int err = -EIO; + + qlcnic_83xx_get_fw_version(adapter); + if (qlcnic_set_eswitch_port_config(adapter)) + return err; + + if (qlcnic_83xx_get_port_info(adapter)) + return err; + + qlcnic_83xx_config_vnic_buff_descriptors(adapter); + adapter->ahw->msix_supported = !!qlcnic_use_msi_x; + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + + dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n", + adapter->ahw->fw_hal_version); + + return 0; +} + +/** + * qlcnic_83xx_vnic_opmode + * + * @adapter: adapter structure + * Identify virtual NIC operational modes. + * + * Returns: Success(0) or error code. + * + **/ +int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) +{ + u32 op_mode, priv_level; + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_nic_template *nic_ops = adapter->nic_ops; + + qlcnic_get_func_no(adapter); + op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); + + if (op_mode == QLC_83XX_DEFAULT_OPMODE) + priv_level = QLCNIC_MGMT_FUNC; + else + priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, + ahw->pci_func); + switch (priv_level) { + case QLCNIC_NON_PRIV_FUNC: + ahw->op_mode = QLCNIC_NON_PRIV_FUNC; + ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; + nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; + break; + case QLCNIC_PRIV_FUNC: + ahw->op_mode = QLCNIC_PRIV_FUNC; + ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry; + nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; + break; + case QLCNIC_MGMT_FUNC: + ahw->op_mode = QLCNIC_MGMT_FUNC; + ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; + nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; + break; + default: + dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n"); + return -EIO; + } + + if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) { + adapter->flags |= QLCNIC_ESWITCH_ENABLED; + if (adapter->drv_mac_learn) + adapter->rx_mac_learn = true; + } else { + adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; + adapter->rx_mac_learn = false; + } + + ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER; + ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO; + + return 0; +} + +int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlc_83xx_idc *idc = &ahw->idc; + u32 state; + + state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); + while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) { + idc->vnic_wait_limit--; + msleep(1000); + state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); + } + + if (state != QLCNIC_DEV_NPAR_OPER) { + dev_err(&adapter->pdev->dev, + "vNIC mode not operational, state check timed out.\n"); + return -EIO; + } + + return 0; +} + +int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *adapter, + int func, int *port_id) +{ + struct qlcnic_info nic_info; + int err = 0; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + + err = qlcnic_get_nic_info(adapter, &nic_info, func); + if (err) + return err; + + if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY) + *port_id = nic_info.phys_port; + else + err = -EIO; + + if (!err) + adapter->eswitch[*port_id].flags |= QLCNIC_SWITCH_ENABLE; + + return err; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c new file mode 100644 index 000000000..eb827b86e --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -0,0 +1,1435 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include "qlcnic.h" + +static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = { + {QLCNIC_CMD_CREATE_RX_CTX, 4, 1}, + {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, + {QLCNIC_CMD_CREATE_TX_CTX, 4, 1}, + {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1}, + {QLCNIC_CMD_INTRPT_TEST, 4, 1}, + {QLCNIC_CMD_SET_MTU, 4, 1}, + {QLCNIC_CMD_READ_PHY, 4, 2}, + {QLCNIC_CMD_WRITE_PHY, 5, 1}, + {QLCNIC_CMD_READ_HW_REG, 4, 1}, + {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, + {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, + {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, + {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, + {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, + {QLCNIC_CMD_GET_PCI_INFO, 4, 1}, + {QLCNIC_CMD_GET_NIC_INFO, 4, 1}, + {QLCNIC_CMD_SET_NIC_INFO, 4, 1}, + {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, + {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, + {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, + {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, + {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, + {QLCNIC_CMD_GET_MAC_STATS, 4, 1}, + {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, + {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1}, + {QLCNIC_CMD_CONFIG_PORT, 4, 1}, + {QLCNIC_CMD_TEMP_SIZE, 4, 4}, + {QLCNIC_CMD_GET_TEMP_HDR, 4, 1}, + {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1}, + {QLCNIC_CMD_GET_LED_STATUS, 4, 2}, + {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3}, + {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, + {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1}, +}; + +static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw) +{ + return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) | + (0xcafe << 16); +} + +/* Allocate mailbox registers */ +int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, + struct qlcnic_adapter *adapter, u32 type) +{ + int i, size; + const struct qlcnic_mailbox_metadata *mbx_tbl; + + mbx_tbl = qlcnic_mbx_tbl; + size = ARRAY_SIZE(qlcnic_mbx_tbl); + for (i = 0; i < size; i++) { + if (type == mbx_tbl[i].cmd) { + mbx->req.num = mbx_tbl[i].in_args; + mbx->rsp.num = mbx_tbl[i].out_args; + mbx->req.arg = kcalloc(mbx->req.num, + sizeof(u32), GFP_ATOMIC); + if (!mbx->req.arg) + return -ENOMEM; + mbx->rsp.arg = kcalloc(mbx->rsp.num, + sizeof(u32), GFP_ATOMIC); + if (!mbx->rsp.arg) { + kfree(mbx->req.arg); + mbx->req.arg = NULL; + return -ENOMEM; + } + mbx->req.arg[0] = type; + break; + } + } + return 0; +} + +/* Free up mailbox registers */ +void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd) +{ + kfree(cmd->req.arg); + cmd->req.arg = NULL; + kfree(cmd->rsp.arg); + cmd->rsp.arg = NULL; +} + +static u32 +qlcnic_poll_rsp(struct qlcnic_adapter *adapter) +{ + u32 rsp; + int timeout = 0, err = 0; + + do { + /* give atleast 1ms for firmware to respond */ + mdelay(1); + + if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT) + return QLCNIC_CDRP_RSP_TIMEOUT; + + rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err); + } while (!QLCNIC_CDRP_IS_RSP(rsp)); + + return rsp; +} + +int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + int i, err = 0; + u32 rsp; + u32 signature; + struct pci_dev *pdev = adapter->pdev; + struct qlcnic_hardware_context *ahw = adapter->ahw; + const char *fmt; + + signature = qlcnic_get_cmd_signature(ahw); + + /* Acquire semaphore before accessing CRB */ + if (qlcnic_api_lock(adapter)) { + cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; + return cmd->rsp.arg[0]; + } + + QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature); + for (i = 1; i < cmd->req.num; i++) + QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]); + QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, + QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0])); + rsp = qlcnic_poll_rsp(adapter); + + if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) { + dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp); + cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; + } else if (rsp == QLCNIC_CDRP_RSP_FAIL) { + cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err); + switch (cmd->rsp.arg[0]) { + case QLCNIC_RCODE_INVALID_ARGS: + fmt = "CDRP invalid args: [%d]\n"; + break; + case QLCNIC_RCODE_NOT_SUPPORTED: + case QLCNIC_RCODE_NOT_IMPL: + fmt = "CDRP command not supported: [%d]\n"; + break; + case QLCNIC_RCODE_NOT_PERMITTED: + fmt = "CDRP requested action not permitted: [%d]\n"; + break; + case QLCNIC_RCODE_INVALID: + fmt = "CDRP invalid or unknown cmd received: [%d]\n"; + break; + case QLCNIC_RCODE_TIMEOUT: + fmt = "CDRP command timeout: [%d]\n"; + break; + default: + fmt = "CDRP command failed: [%d]\n"; + break; + } + dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]); + qlcnic_dump_mbx(adapter, cmd); + } else if (rsp == QLCNIC_CDRP_RSP_OK) + cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS; + + for (i = 1; i < cmd->rsp.num; i++) + cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err); + + /* Release semaphore */ + qlcnic_api_unlock(adapter); + return cmd->rsp.arg[0]; +} + +int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd) +{ + struct qlcnic_cmd_args cmd; + u32 arg1, arg2, arg3; + char drv_string[12]; + int err = 0; + + memset(drv_string, 0, sizeof(drv_string)); + snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d", + _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR, + _QLCNIC_LINUX_SUBVERSION); + + err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd); + if (err) + return err; + + memcpy(&arg1, drv_string, sizeof(u32)); + memcpy(&arg2, drv_string + 4, sizeof(u32)); + memcpy(&arg3, drv_string + 8, sizeof(u32)); + + cmd.req.arg[1] = arg1; + cmd.req.arg[2] = arg2; + cmd.req.arg[3] = arg3; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_info(&adapter->pdev->dev, + "Failed to set driver version in firmware\n"); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + return err; +} + +int +qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu) +{ + int err = 0; + struct qlcnic_cmd_args cmd; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE) + return err; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU); + if (err) + return err; + + cmd.req.arg[1] = recv_ctx->context_id; + cmd.req.arg[2] = mtu; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, "Failed to set mtu\n"); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + return err; +} + +int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_hardware_context *ahw = adapter->ahw; + dma_addr_t hostrq_phys_addr, cardrsp_phys_addr; + struct net_device *netdev = adapter->netdev; + u32 temp_intr_crb_mode, temp_rds_crb_mode; + struct qlcnic_cardrsp_rds_ring *prsp_rds; + struct qlcnic_cardrsp_sds_ring *prsp_sds; + struct qlcnic_hostrq_rds_ring *prq_rds; + struct qlcnic_hostrq_sds_ring *prq_sds; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_cardrsp_rx_ctx *prsp; + struct qlcnic_hostrq_rx_ctx *prq; + u8 i, nrds_rings, nsds_rings; + struct qlcnic_cmd_args cmd; + size_t rq_size, rsp_size; + u32 cap, reg, val, reg2; + u64 phys_addr; + u16 temp_u16; + void *addr; + int err; + + nrds_rings = adapter->max_rds_rings; + nsds_rings = adapter->drv_sds_rings; + + rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings, + nsds_rings); + rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings, + nsds_rings); + + addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size, + &hostrq_phys_addr, GFP_KERNEL); + if (addr == NULL) + return -ENOMEM; + prq = addr; + + addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size, + &cardrsp_phys_addr, GFP_KERNEL); + if (addr == NULL) { + err = -ENOMEM; + goto out_free_rq; + } + prsp = addr; + + prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr); + + cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN + | QLCNIC_CAP0_VALIDOFF); + cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS); + + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) { + cap |= QLCNIC_CAP0_TX_MULTI; + } else { + temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler); + prq->valid_field_offset = cpu_to_le16(temp_u16); + prq->txrx_sds_binding = nsds_rings - 1; + temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED; + prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode); + temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE; + prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode); + } + + prq->capabilities[0] = cpu_to_le32(cap); + + prq->num_rds_rings = cpu_to_le16(nrds_rings); + prq->num_sds_rings = cpu_to_le16(nsds_rings); + prq->rds_ring_offset = 0; + + val = le32_to_cpu(prq->rds_ring_offset) + + (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings); + prq->sds_ring_offset = cpu_to_le32(val); + + prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data + + le32_to_cpu(prq->rds_ring_offset)); + + for (i = 0; i < nrds_rings; i++) { + rds_ring = &recv_ctx->rds_rings[i]; + rds_ring->producer = 0; + prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr); + prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc); + prq_rds[i].ring_kind = cpu_to_le32(i); + prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size); + } + + prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data + + le32_to_cpu(prq->sds_ring_offset)); + + for (i = 0; i < nsds_rings; i++) { + sds_ring = &recv_ctx->sds_rings[i]; + sds_ring->consumer = 0; + memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring)); + prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr); + prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc); + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) + prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id); + else + prq_sds[i].msi_index = cpu_to_le16(i); + } + + phys_addr = hostrq_phys_addr; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX); + if (err) + goto out_free_rsp; + + cmd.req.arg[1] = MSD(phys_addr); + cmd.req.arg[2] = LSD(phys_addr); + cmd.req.arg[3] = rq_size; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to create rx ctx in firmware%d\n", err); + goto out_free_rsp; + } + + prsp_rds = ((struct qlcnic_cardrsp_rds_ring *) + &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]); + + for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) { + rds_ring = &recv_ctx->rds_rings[i]; + reg = le32_to_cpu(prsp_rds[i].host_producer_crb); + rds_ring->crb_rcv_producer = ahw->pci_base0 + reg; + } + + prsp_sds = ((struct qlcnic_cardrsp_sds_ring *) + &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]); + + for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) { + sds_ring = &recv_ctx->sds_rings[i]; + reg = le32_to_cpu(prsp_sds[i].host_consumer_crb); + if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) + reg2 = ahw->intr_tbl[i].src; + else + reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb); + + sds_ring->crb_intr_mask = ahw->pci_base0 + reg2; + sds_ring->crb_sts_consumer = ahw->pci_base0 + reg; + } + + recv_ctx->state = le32_to_cpu(prsp->host_ctx_state); + recv_ctx->context_id = le16_to_cpu(prsp->context_id); + recv_ctx->virt_port = prsp->virt_port; + + netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n", + recv_ctx->context_id, recv_ctx->state); + qlcnic_free_mbx_args(&cmd); + +out_free_rsp: + dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp, + cardrsp_phys_addr); +out_free_rq: + dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr); + + return err; +} + +void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter) +{ + int err; + struct qlcnic_cmd_args cmd; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX); + if (err) + return; + + cmd.req.arg[1] = recv_ctx->context_id; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to destroy rx ctx in firmware\n"); + + recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; + qlcnic_free_mbx_args(&cmd); +} + +int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring, + int ring) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct net_device *netdev = adapter->netdev; + struct qlcnic_hostrq_tx_ctx *prq; + struct qlcnic_hostrq_cds_ring *prq_cds; + struct qlcnic_cardrsp_tx_ctx *prsp; + struct qlcnic_cmd_args cmd; + u32 temp, intr_mask, temp_int_crb_mode; + dma_addr_t rq_phys_addr, rsp_phys_addr; + int temp_nsds_rings, index, err; + void *rq_addr, *rsp_addr; + size_t rq_size, rsp_size; + u64 phys_addr; + u16 msix_id; + + /* reset host resources */ + tx_ring->producer = 0; + tx_ring->sw_consumer = 0; + *(tx_ring->hw_consumer) = 0; + + rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx); + rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size, + &rq_phys_addr, GFP_KERNEL); + if (!rq_addr) + return -ENOMEM; + + rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx); + rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size, + &rsp_phys_addr, GFP_KERNEL); + if (!rsp_addr) { + err = -ENOMEM; + goto out_free_rq; + } + + prq = rq_addr; + prsp = rsp_addr; + + prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr); + + temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN | + QLCNIC_CAP0_LSO); + if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) + temp |= QLCNIC_CAP0_TX_MULTI; + + prq->capabilities[0] = cpu_to_le32(temp); + + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) { + temp_nsds_rings = adapter->drv_sds_rings; + index = temp_nsds_rings + ring; + msix_id = ahw->intr_tbl[index].id; + prq->msi_index = cpu_to_le16(msix_id); + } else { + temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED; + prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode); + prq->msi_index = 0; + } + + prq->interrupt_ctl = 0; + prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr); + + prq_cds = &prq->cds_ring; + + prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr); + prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc); + + phys_addr = rq_phys_addr; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); + if (err) + goto out_free_rsp; + + cmd.req.arg[1] = MSD(phys_addr); + cmd.req.arg[2] = LSD(phys_addr); + cmd.req.arg[3] = rq_size; + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err == QLCNIC_RCODE_SUCCESS) { + tx_ring->state = le32_to_cpu(prsp->host_ctx_state); + temp = le32_to_cpu(prsp->cds_ring.host_producer_crb); + tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp; + tx_ring->ctx_id = le16_to_cpu(prsp->context_id); + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test && + (adapter->flags & QLCNIC_MSIX_ENABLED)) { + index = adapter->drv_sds_rings + ring; + intr_mask = ahw->intr_tbl[index].src; + tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask; + } + + netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n", + tx_ring->ctx_id, tx_ring->state); + } else { + netdev_err(netdev, "Failed to create tx ctx in firmware%d\n", + err); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + +out_free_rsp: + dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr, + rsp_phys_addr); +out_free_rq: + dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr); + + return err; +} + +void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + struct qlcnic_cmd_args cmd; + int ret; + + ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX); + if (ret) + return; + + cmd.req.arg[1] = tx_ring->ctx_id; + if (qlcnic_issue_cmd(adapter, &cmd)) + dev_err(&adapter->pdev->dev, + "Failed to destroy tx ctx in firmware\n"); + qlcnic_free_mbx_args(&cmd); +} + +int +qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config) +{ + int err; + struct qlcnic_cmd_args cmd; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT); + if (err) + return err; + + cmd.req.arg[1] = config; + err = qlcnic_issue_cmd(adapter, &cmd); + qlcnic_free_mbx_args(&cmd); + return err; +} + +int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter) +{ + void *addr; + int err, ring; + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + __le32 *ptr; + + struct pci_dev *pdev = adapter->pdev; + + recv_ctx = adapter->recv_ctx; + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32), + &tx_ring->hw_cons_phys_addr, + GFP_KERNEL); + if (ptr == NULL) { + err = -ENOMEM; + goto err_out_free; + } + + tx_ring->hw_consumer = ptr; + /* cmd desc ring */ + addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring), + &tx_ring->phys_addr, + GFP_KERNEL); + if (addr == NULL) { + err = -ENOMEM; + goto err_out_free; + } + + tx_ring->desc_head = addr; + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + addr = dma_alloc_coherent(&adapter->pdev->dev, + RCV_DESC_RINGSIZE(rds_ring), + &rds_ring->phys_addr, GFP_KERNEL); + if (addr == NULL) { + err = -ENOMEM; + goto err_out_free; + } + rds_ring->desc_head = addr; + + } + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + + addr = dma_alloc_coherent(&adapter->pdev->dev, + STATUS_DESC_RINGSIZE(sds_ring), + &sds_ring->phys_addr, GFP_KERNEL); + if (addr == NULL) { + err = -ENOMEM; + goto err_out_free; + } + sds_ring->desc_head = addr; + } + + return 0; + +err_out_free: + qlcnic_free_hw_resources(adapter); + return err; +} + +int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev) +{ + int i, err, ring; + + if (dev->flags & QLCNIC_NEED_FLR) { + err = pci_reset_function(dev->pdev); + if (err) { + dev_err(&dev->pdev->dev, + "Adapter reset failed (%d). Please reboot\n", + err); + return err; + } + dev->flags &= ~QLCNIC_NEED_FLR; + } + + if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) { + if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { + err = qlcnic_83xx_config_intrpt(dev, 1); + if (err) + return err; + } + } + + if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) && + qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) { + err = qlcnic_82xx_mq_intrpt(dev, 1); + if (err) + return err; + } + + err = qlcnic_fw_cmd_create_rx_ctx(dev); + if (err) + goto err_out; + + for (ring = 0; ring < dev->drv_tx_rings; ring++) { + err = qlcnic_fw_cmd_create_tx_ctx(dev, + &dev->tx_ring[ring], + ring); + if (err) { + qlcnic_fw_cmd_del_rx_ctx(dev); + if (ring == 0) + goto err_out; + + for (i = 0; i < ring; i++) + qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]); + + goto err_out; + } + } + + set_bit(__QLCNIC_FW_ATTACHED, &dev->state); + + return 0; + +err_out: + if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) && + qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) + qlcnic_82xx_config_intrpt(dev, 0); + + if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) { + if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) + qlcnic_83xx_config_intrpt(dev, 0); + } + + return err; +} + +void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter) +{ + int ring; + + if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) { + qlcnic_fw_cmd_del_rx_ctx(adapter); + for (ring = 0; ring < adapter->drv_tx_rings; ring++) + qlcnic_fw_cmd_del_tx_ctx(adapter, + &adapter->tx_ring[ring]); + + if (qlcnic_82xx_check(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED) && + qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) + qlcnic_82xx_config_intrpt(adapter, 0); + + if (qlcnic_83xx_check(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED)) { + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) + qlcnic_83xx_config_intrpt(adapter, 0); + } + /* Allow dma queues to drain after context reset */ + mdelay(20); + } +} + +void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + int ring; + + recv_ctx = adapter->recv_ctx; + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + if (tx_ring->hw_consumer != NULL) { + dma_free_coherent(&adapter->pdev->dev, sizeof(u32), + tx_ring->hw_consumer, + tx_ring->hw_cons_phys_addr); + + tx_ring->hw_consumer = NULL; + } + + if (tx_ring->desc_head != NULL) { + dma_free_coherent(&adapter->pdev->dev, + TX_DESC_RINGSIZE(tx_ring), + tx_ring->desc_head, + tx_ring->phys_addr); + tx_ring->desc_head = NULL; + } + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + + if (rds_ring->desc_head != NULL) { + dma_free_coherent(&adapter->pdev->dev, + RCV_DESC_RINGSIZE(rds_ring), + rds_ring->desc_head, + rds_ring->phys_addr); + rds_ring->desc_head = NULL; + } + } + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + + if (sds_ring->desc_head != NULL) { + dma_free_coherent(&adapter->pdev->dev, + STATUS_DESC_RINGSIZE(sds_ring), + sds_ring->desc_head, + sds_ring->phys_addr); + sds_ring->desc_head = NULL; + } + } +} + +int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct net_device *netdev = adapter->netdev; + struct qlcnic_cmd_args cmd; + u32 type, val; + int i, err = 0; + + for (i = 0; i < ahw->num_msix; i++) { + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_MQ_TX_CONFIG_INTR); + if (err) + return err; + type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; + val = type | (ahw->intr_tbl[i].type << 4); + if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) + val |= (ahw->intr_tbl[i].id << 16); + cmd.req.arg[1] = val; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + netdev_err(netdev, "Failed to %s interrupts %d\n", + op_type == QLCNIC_INTRPT_ADD ? "Add" : + "Delete", err); + qlcnic_free_mbx_args(&cmd); + return err; + } + val = cmd.rsp.arg[1]; + if (LSB(val)) { + netdev_info(netdev, + "failed to configure interrupt for %d\n", + ahw->intr_tbl[i].id); + continue; + } + if (op_type) { + ahw->intr_tbl[i].id = MSW(val); + ahw->intr_tbl[i].enabled = 1; + ahw->intr_tbl[i].src = cmd.rsp.arg[2]; + } else { + ahw->intr_tbl[i].id = i; + ahw->intr_tbl[i].enabled = 0; + ahw->intr_tbl[i].src = 0; + } + qlcnic_free_mbx_args(&cmd); + } + + return err; +} + +int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, + u8 function) +{ + int err, i; + struct qlcnic_cmd_args cmd; + u32 mac_low, mac_high; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); + if (err) + return err; + + cmd.req.arg[1] = function | BIT_8; + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err == QLCNIC_RCODE_SUCCESS) { + mac_low = cmd.rsp.arg[1]; + mac_high = cmd.rsp.arg[2]; + + for (i = 0; i < 2; i++) + mac[i] = (u8) (mac_high >> ((1 - i) * 8)); + for (i = 2; i < 6; i++) + mac[i] = (u8) (mac_low >> ((5 - i) * 8)); + } else { + dev_err(&adapter->pdev->dev, + "Failed to get mac address%d\n", err); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); + return err; +} + +/* Get info of a NIC partition */ +int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info, u8 func_id) +{ + int err; + dma_addr_t nic_dma_t; + const struct qlcnic_info_le *nic_info; + void *nic_info_addr; + struct qlcnic_cmd_args cmd; + size_t nic_size = sizeof(struct qlcnic_info_le); + + nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size, + &nic_dma_t, GFP_KERNEL); + if (!nic_info_addr) + return -ENOMEM; + + nic_info = nic_info_addr; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); + if (err) + goto out_free_dma; + + cmd.req.arg[1] = MSD(nic_dma_t); + cmd.req.arg[2] = LSD(nic_dma_t); + cmd.req.arg[3] = (func_id << 16 | nic_size); + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) { + dev_err(&adapter->pdev->dev, + "Failed to get nic info%d\n", err); + err = -EIO; + } else { + npar_info->pci_func = le16_to_cpu(nic_info->pci_func); + npar_info->op_mode = le16_to_cpu(nic_info->op_mode); + npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw); + npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw); + npar_info->phys_port = le16_to_cpu(nic_info->phys_port); + npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode); + npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques); + npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques); + npar_info->capabilities = le32_to_cpu(nic_info->capabilities); + npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu); + } + + qlcnic_free_mbx_args(&cmd); +out_free_dma: + dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr, + nic_dma_t); + + return err; +} + +/* Configure a NIC partition */ +int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *nic) +{ + int err = -EIO; + dma_addr_t nic_dma_t; + void *nic_info_addr; + struct qlcnic_cmd_args cmd; + struct qlcnic_info_le *nic_info; + size_t nic_size = sizeof(struct qlcnic_info_le); + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + return err; + + nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size, + &nic_dma_t, GFP_KERNEL); + if (!nic_info_addr) + return -ENOMEM; + + nic_info = nic_info_addr; + + nic_info->pci_func = cpu_to_le16(nic->pci_func); + nic_info->op_mode = cpu_to_le16(nic->op_mode); + nic_info->phys_port = cpu_to_le16(nic->phys_port); + nic_info->switch_mode = cpu_to_le16(nic->switch_mode); + nic_info->capabilities = cpu_to_le32(nic->capabilities); + nic_info->max_mac_filters = nic->max_mac_filters; + nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques); + nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques); + nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw); + nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw); + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); + if (err) + goto out_free_dma; + + cmd.req.arg[1] = MSD(nic_dma_t); + cmd.req.arg[2] = LSD(nic_dma_t); + cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size); + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err != QLCNIC_RCODE_SUCCESS) { + dev_err(&adapter->pdev->dev, + "Failed to set nic info%d\n", err); + err = -EIO; + } + + qlcnic_free_mbx_args(&cmd); +out_free_dma: + dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr, + nic_dma_t); + + return err; +} + +/* Get PCI Info of a partition */ +int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter, + struct qlcnic_pci_info *pci_info) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + size_t npar_size = sizeof(struct qlcnic_pci_info_le); + size_t pci_size = npar_size * ahw->max_vnic_func; + u16 nic = 0, fcoe = 0, iscsi = 0; + struct qlcnic_pci_info_le *npar; + struct qlcnic_cmd_args cmd; + dma_addr_t pci_info_dma_t; + void *pci_info_addr; + int err = 0, i; + + pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size, + &pci_info_dma_t, GFP_KERNEL); + if (!pci_info_addr) + return -ENOMEM; + + npar = pci_info_addr; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); + if (err) + goto out_free_dma; + + cmd.req.arg[1] = MSD(pci_info_dma_t); + cmd.req.arg[2] = LSD(pci_info_dma_t); + cmd.req.arg[3] = pci_size; + err = qlcnic_issue_cmd(adapter, &cmd); + + ahw->total_nic_func = 0; + if (err == QLCNIC_RCODE_SUCCESS) { + for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) { + pci_info->id = le16_to_cpu(npar->id); + pci_info->active = le16_to_cpu(npar->active); + if (!pci_info->active) + continue; + pci_info->type = le16_to_cpu(npar->type); + err = qlcnic_get_pci_func_type(adapter, pci_info->type, + &nic, &fcoe, &iscsi); + pci_info->default_port = + le16_to_cpu(npar->default_port); + pci_info->tx_min_bw = + le16_to_cpu(npar->tx_min_bw); + pci_info->tx_max_bw = + le16_to_cpu(npar->tx_max_bw); + memcpy(pci_info->mac, npar->mac, ETH_ALEN); + } + } else { + dev_err(&adapter->pdev->dev, + "Failed to get PCI Info%d\n", err); + err = -EIO; + } + + ahw->total_nic_func = nic; + ahw->total_pci_func = nic + fcoe + iscsi; + if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { + dev_err(&adapter->pdev->dev, + "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", + __func__, ahw->total_nic_func, ahw->total_pci_func); + err = -EIO; + } + qlcnic_free_mbx_args(&cmd); +out_free_dma: + dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr, + pci_info_dma_t); + + return err; +} + +/* Configure eSwitch for port mirroring */ +int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id, + u8 enable_mirroring, u8 pci_func) +{ + struct device *dev = &adapter->pdev->dev; + struct qlcnic_cmd_args cmd; + int err = -EIO; + u32 arg1; + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC || + !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) { + dev_err(&adapter->pdev->dev, "%s: Not a management function\n", + __func__); + return err; + } + + arg1 = id | (enable_mirroring ? BIT_4 : 0); + arg1 |= pci_func << 8; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_SET_PORTMIRRORING); + if (err) + return err; + + cmd.req.arg[1] = arg1; + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err != QLCNIC_RCODE_SUCCESS) + dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n", + pci_func, id); + else + dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n", + pci_func, id); + qlcnic_free_mbx_args(&cmd); + + return err; +} + +int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func, + const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { + + size_t stats_size = sizeof(struct qlcnic_esw_stats_le); + struct qlcnic_esw_stats_le *stats; + dma_addr_t stats_dma_t; + void *stats_addr; + u32 arg1; + struct qlcnic_cmd_args cmd; + int err; + + if (esw_stats == NULL) + return -ENOMEM; + + if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) && + (func != adapter->ahw->pci_func)) { + dev_err(&adapter->pdev->dev, + "Not privilege to query stats for func=%d", func); + return -EIO; + } + + stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size, + &stats_dma_t, GFP_KERNEL); + if (!stats_addr) + return -ENOMEM; + + arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12; + arg1 |= rx_tx << 15 | stats_size << 16; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_GET_ESWITCH_STATS); + if (err) + goto out_free_dma; + + cmd.req.arg[1] = arg1; + cmd.req.arg[2] = MSD(stats_dma_t); + cmd.req.arg[3] = LSD(stats_dma_t); + err = qlcnic_issue_cmd(adapter, &cmd); + + if (!err) { + stats = stats_addr; + esw_stats->context_id = le16_to_cpu(stats->context_id); + esw_stats->version = le16_to_cpu(stats->version); + esw_stats->size = le16_to_cpu(stats->size); + esw_stats->multicast_frames = + le64_to_cpu(stats->multicast_frames); + esw_stats->broadcast_frames = + le64_to_cpu(stats->broadcast_frames); + esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames); + esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames); + esw_stats->local_frames = le64_to_cpu(stats->local_frames); + esw_stats->errors = le64_to_cpu(stats->errors); + esw_stats->numbytes = le64_to_cpu(stats->numbytes); + } + + qlcnic_free_mbx_args(&cmd); +out_free_dma: + dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr, + stats_dma_t); + + return err; +} + +/* This routine will retrieve the MAC statistics from firmware */ +int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter, + struct qlcnic_mac_statistics *mac_stats) +{ + struct qlcnic_mac_statistics_le *stats; + struct qlcnic_cmd_args cmd; + size_t stats_size = sizeof(struct qlcnic_mac_statistics_le); + dma_addr_t stats_dma_t; + void *stats_addr; + int err; + + if (mac_stats == NULL) + return -ENOMEM; + + stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size, + &stats_dma_t, GFP_KERNEL); + if (!stats_addr) + return -ENOMEM; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS); + if (err) + goto out_free_dma; + + cmd.req.arg[1] = stats_size << 16; + cmd.req.arg[2] = MSD(stats_dma_t); + cmd.req.arg[3] = LSD(stats_dma_t); + err = qlcnic_issue_cmd(adapter, &cmd); + if (!err) { + stats = stats_addr; + mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames); + mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes); + mac_stats->mac_tx_mcast_pkts = + le64_to_cpu(stats->mac_tx_mcast_pkts); + mac_stats->mac_tx_bcast_pkts = + le64_to_cpu(stats->mac_tx_bcast_pkts); + mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames); + mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes); + mac_stats->mac_rx_mcast_pkts = + le64_to_cpu(stats->mac_rx_mcast_pkts); + mac_stats->mac_rx_length_error = + le64_to_cpu(stats->mac_rx_length_error); + mac_stats->mac_rx_length_small = + le64_to_cpu(stats->mac_rx_length_small); + mac_stats->mac_rx_length_large = + le64_to_cpu(stats->mac_rx_length_large); + mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber); + mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped); + mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error); + } else { + dev_err(&adapter->pdev->dev, + "%s: Get mac stats failed, err=%d.\n", __func__, err); + } + + qlcnic_free_mbx_args(&cmd); + +out_free_dma: + dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr, + stats_dma_t); + + return err; +} + +int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch, + const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) { + + struct __qlcnic_esw_statistics port_stats; + u8 i; + int ret = -EIO; + + if (esw_stats == NULL) + return -ENOMEM; + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + return -EIO; + if (adapter->npars == NULL) + return -EIO; + + memset(esw_stats, 0, sizeof(u64)); + esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL; + esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL; + esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL; + esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL; + esw_stats->errors = QLCNIC_STATS_NOT_AVAIL; + esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL; + esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL; + esw_stats->context_id = eswitch; + + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + if (adapter->npars[i].phy_port != eswitch) + continue; + + memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics)); + if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func, + rx_tx, &port_stats)) + continue; + + esw_stats->size = port_stats.size; + esw_stats->version = port_stats.version; + QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames, + port_stats.unicast_frames); + QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames, + port_stats.multicast_frames); + QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames, + port_stats.broadcast_frames); + QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames, + port_stats.dropped_frames); + QLCNIC_ADD_ESW_STATS(esw_stats->errors, + port_stats.errors); + QLCNIC_ADD_ESW_STATS(esw_stats->local_frames, + port_stats.local_frames); + QLCNIC_ADD_ESW_STATS(esw_stats->numbytes, + port_stats.numbytes); + ret = 0; + } + return ret; +} + +int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw, + const u8 port, const u8 rx_tx) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + int err; + u32 arg1; + + if (ahw->op_mode != QLCNIC_MGMT_FUNC) + return -EIO; + + if (func_esw == QLCNIC_STATS_PORT) { + if (port >= ahw->max_vnic_func) + goto err_ret; + } else if (func_esw == QLCNIC_STATS_ESWITCH) { + if (port >= QLCNIC_NIU_MAX_XG_PORTS) + goto err_ret; + } else { + goto err_ret; + } + + if (rx_tx > QLCNIC_QUERY_TX_COUNTER) + goto err_ret; + + arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12; + arg1 |= BIT_14 | rx_tx << 15; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_GET_ESWITCH_STATS); + if (err) + return err; + + cmd.req.arg[1] = arg1; + err = qlcnic_issue_cmd(adapter, &cmd); + qlcnic_free_mbx_args(&cmd); + return err; + +err_ret: + dev_err(&adapter->pdev->dev, + "Invalid args func_esw %d port %d rx_ctx %d\n", + func_esw, port, rx_tx); + return -EIO; +} + +static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter, + u32 *arg1, u32 *arg2) +{ + struct device *dev = &adapter->pdev->dev; + struct qlcnic_cmd_args cmd; + u8 pci_func = *arg1 >> 8; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG); + if (err) + return err; + + cmd.req.arg[1] = *arg1; + err = qlcnic_issue_cmd(adapter, &cmd); + *arg1 = cmd.rsp.arg[1]; + *arg2 = cmd.rsp.arg[2]; + qlcnic_free_mbx_args(&cmd); + + if (err == QLCNIC_RCODE_SUCCESS) + dev_info(dev, "Get eSwitch port config for vNIC function %d\n", + pci_func); + else + dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n", + pci_func); + return err; +} +/* Configure eSwitch port +op_mode = 0 for setting default port behavior +op_mode = 1 for setting vlan id +op_mode = 2 for deleting vlan id +op_type = 0 for vlan_id +op_type = 1 for port vlan_id +*/ +int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg) +{ + struct device *dev = &adapter->pdev->dev; + struct qlcnic_cmd_args cmd; + int err = -EIO, index; + u32 arg1, arg2 = 0; + u8 pci_func; + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { + dev_err(&adapter->pdev->dev, "%s: Not a management function\n", + __func__); + return err; + } + + pci_func = esw_cfg->pci_func; + index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return err; + arg1 = (adapter->npars[index].phy_port & BIT_0); + arg1 |= (pci_func << 8); + + if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2)) + return err; + arg1 &= ~(0x0ff << 8); + arg1 |= (pci_func << 8); + arg1 &= ~(BIT_2 | BIT_3); + switch (esw_cfg->op_mode) { + case QLCNIC_PORT_DEFAULTS: + arg1 |= (BIT_4 | BIT_6 | BIT_7); + arg2 |= (BIT_0 | BIT_1); + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) + arg2 |= (BIT_2 | BIT_3); + if (!(esw_cfg->discard_tagged)) + arg1 &= ~BIT_4; + if (!(esw_cfg->promisc_mode)) + arg1 &= ~BIT_6; + if (!(esw_cfg->mac_override)) + arg1 &= ~BIT_7; + if (!(esw_cfg->mac_anti_spoof)) + arg2 &= ~BIT_0; + if (!(esw_cfg->offload_flags & BIT_0)) + arg2 &= ~(BIT_1 | BIT_2 | BIT_3); + if (!(esw_cfg->offload_flags & BIT_1)) + arg2 &= ~BIT_2; + if (!(esw_cfg->offload_flags & BIT_2)) + arg2 &= ~BIT_3; + break; + case QLCNIC_ADD_VLAN: + arg1 &= ~(0x0ffff << 16); + arg1 |= (BIT_2 | BIT_5); + arg1 |= (esw_cfg->vlan_id << 16); + break; + case QLCNIC_DEL_VLAN: + arg1 |= (BIT_3 | BIT_5); + arg1 &= ~(0x0ffff << 16); + break; + default: + dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n", + __func__, esw_cfg->op_mode); + return err; + } + + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_CONFIGURE_ESWITCH); + if (err) + return err; + + cmd.req.arg[1] = arg1; + cmd.req.arg[2] = arg2; + err = qlcnic_issue_cmd(adapter, &cmd); + qlcnic_free_mbx_args(&cmd); + + if (err != QLCNIC_RCODE_SUCCESS) + dev_err(dev, "Failed to configure eswitch for vNIC function %d\n", + pci_func); + else + dev_info(dev, "Configured eSwitch for vNIC function %d\n", + pci_func); + + return err; +} + +int +qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg) +{ + u32 arg1, arg2; + int index; + u8 phy_port; + + if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) { + index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func); + if (index < 0) + return -EIO; + phy_port = adapter->npars[index].phy_port; + } else { + phy_port = adapter->ahw->physical_port; + } + arg1 = phy_port; + arg1 |= (esw_cfg->pci_func << 8); + if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2)) + return -EIO; + + esw_cfg->discard_tagged = !!(arg1 & BIT_4); + esw_cfg->host_vlan_tag = !!(arg1 & BIT_5); + esw_cfg->promisc_mode = !!(arg1 & BIT_6); + esw_cfg->mac_override = !!(arg1 & BIT_7); + esw_cfg->vlan_id = LSW(arg1 >> 16); + esw_cfg->mac_anti_spoof = (arg2 & 0x1); + esw_cfg->offload_flags = ((arg2 >> 1) & 0x7); + + return 0; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c new file mode 100644 index 000000000..4d638f60f --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c @@ -0,0 +1,1146 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/types.h> +#include "qlcnic.h" + +#define QLC_DCB_NUM_PARAM 3 +#define QLC_DCB_LOCAL_IDX 0 +#define QLC_DCB_OPER_IDX 1 +#define QLC_DCB_PEER_IDX 2 + +#define QLC_DCB_GET_MAP(V) (1 << V) + +#define QLC_DCB_FW_VER 0x2 +#define QLC_DCB_MAX_TC 0x8 +#define QLC_DCB_MAX_APP 0x8 +#define QLC_DCB_MAX_PRIO QLC_DCB_MAX_TC +#define QLC_DCB_MAX_PG QLC_DCB_MAX_TC + +#define QLC_DCB_TSA_SUPPORT(V) (V & 0x1) +#define QLC_DCB_ETS_SUPPORT(V) ((V >> 1) & 0x1) +#define QLC_DCB_VERSION_SUPPORT(V) ((V >> 2) & 0xf) +#define QLC_DCB_MAX_NUM_TC(V) ((V >> 20) & 0xf) +#define QLC_DCB_MAX_NUM_ETS_TC(V) ((V >> 24) & 0xf) +#define QLC_DCB_MAX_NUM_PFC_TC(V) ((V >> 28) & 0xf) +#define QLC_DCB_GET_TC_PRIO(X, P) ((X >> (P * 3)) & 0x7) +#define QLC_DCB_GET_PGID_PRIO(X, P) ((X >> (P * 8)) & 0xff) +#define QLC_DCB_GET_BWPER_PG(X, P) ((X >> (P * 8)) & 0xff) +#define QLC_DCB_GET_TSA_PG(X, P) ((X >> (P * 8)) & 0xff) +#define QLC_DCB_GET_PFC_PRIO(X, P) (((X >> 24) >> P) & 0x1) +#define QLC_DCB_GET_PROTO_ID_APP(X) ((X >> 8) & 0xffff) +#define QLC_DCB_GET_SELECTOR_APP(X) (X & 0xff) + +#define QLC_DCB_LOCAL_PARAM_FWID 0x3 +#define QLC_DCB_OPER_PARAM_FWID 0x1 +#define QLC_DCB_PEER_PARAM_FWID 0x2 + +#define QLC_83XX_DCB_GET_NUMAPP(X) ((X >> 2) & 0xf) +#define QLC_83XX_DCB_TSA_VALID(X) (X & 0x1) +#define QLC_83XX_DCB_PFC_VALID(X) ((X >> 1) & 0x1) +#define QLC_83XX_DCB_GET_PRIOMAP_APP(X) (X >> 24) + +#define QLC_82XX_DCB_GET_NUMAPP(X) ((X >> 12) & 0xf) +#define QLC_82XX_DCB_TSA_VALID(X) ((X >> 4) & 0x1) +#define QLC_82XX_DCB_PFC_VALID(X) ((X >> 5) & 0x1) +#define QLC_82XX_DCB_GET_PRIOVAL_APP(X) ((X >> 24) & 0x7) +#define QLC_82XX_DCB_GET_PRIOMAP_APP(X) (1 << X) +#define QLC_82XX_DCB_PRIO_TC_MAP (0x76543210) + +static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops; + +static void qlcnic_dcb_aen_work(struct work_struct *); +static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *); + +static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *); +static void __qlcnic_dcb_free(struct qlcnic_dcb *); +static int __qlcnic_dcb_attach(struct qlcnic_dcb *); +static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *, char *); +static void __qlcnic_dcb_get_info(struct qlcnic_dcb *); + +static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *); +static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8); +static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *); +static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *, void *); + +static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *); +static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8); +static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *); +static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *, void *); + +struct qlcnic_dcb_capability { + bool tsa_capability; + bool ets_capability; + u8 max_num_tc; + u8 max_ets_tc; + u8 max_pfc_tc; + u8 dcb_capability; +}; + +struct qlcnic_dcb_param { + u32 hdr_prio_pfc_map[2]; + u32 prio_pg_map[2]; + u32 pg_bw_map[2]; + u32 pg_tsa_map[2]; + u32 app[QLC_DCB_MAX_APP]; +}; + +struct qlcnic_dcb_mbx_params { + /* 1st local, 2nd operational 3rd remote */ + struct qlcnic_dcb_param type[3]; + u32 prio_tc_map; +}; + +struct qlcnic_82xx_dcb_param_mbx_le { + __le32 hdr_prio_pfc_map[2]; + __le32 prio_pg_map[2]; + __le32 pg_bw_map[2]; + __le32 pg_tsa_map[2]; + __le32 app[QLC_DCB_MAX_APP]; +}; + +enum qlcnic_dcb_selector { + QLC_SELECTOR_DEF = 0x0, + QLC_SELECTOR_ETHER, + QLC_SELECTOR_TCP, + QLC_SELECTOR_UDP, +}; + +enum qlcnic_dcb_prio_type { + QLC_PRIO_NONE = 0, + QLC_PRIO_GROUP, + QLC_PRIO_LINK, +}; + +enum qlcnic_dcb_pfc_type { + QLC_PFC_DISABLED = 0, + QLC_PFC_FULL, + QLC_PFC_TX, + QLC_PFC_RX +}; + +struct qlcnic_dcb_prio_cfg { + bool valid; + enum qlcnic_dcb_pfc_type pfc_type; +}; + +struct qlcnic_dcb_pg_cfg { + bool valid; + u8 total_bw_percent; /* of Link/ port BW */ + u8 prio_count; + u8 tsa_type; +}; + +struct qlcnic_dcb_tc_cfg { + bool valid; + struct qlcnic_dcb_prio_cfg prio_cfg[QLC_DCB_MAX_PRIO]; + enum qlcnic_dcb_prio_type prio_type; /* always prio_link */ + u8 link_percent; /* % of link bandwidth */ + u8 bwg_percent; /* % of BWG's bandwidth */ + u8 up_tc_map; + u8 pgid; +}; + +struct qlcnic_dcb_app { + bool valid; + enum qlcnic_dcb_selector selector; + u16 protocol; + u8 priority; +}; + +struct qlcnic_dcb_cee { + struct qlcnic_dcb_tc_cfg tc_cfg[QLC_DCB_MAX_TC]; + struct qlcnic_dcb_pg_cfg pg_cfg[QLC_DCB_MAX_PG]; + struct qlcnic_dcb_app app[QLC_DCB_MAX_APP]; + bool tc_param_valid; + bool pfc_mode_enable; +}; + +struct qlcnic_dcb_cfg { + /* 0 - local, 1 - operational, 2 - remote */ + struct qlcnic_dcb_cee type[QLC_DCB_NUM_PARAM]; + struct qlcnic_dcb_capability capability; + u32 version; +}; + +static const struct qlcnic_dcb_ops qlcnic_83xx_dcb_ops = { + .init_dcbnl_ops = __qlcnic_init_dcbnl_ops, + .free = __qlcnic_dcb_free, + .attach = __qlcnic_dcb_attach, + .query_hw_capability = __qlcnic_dcb_query_hw_capability, + .get_info = __qlcnic_dcb_get_info, + + .get_hw_capability = qlcnic_83xx_dcb_get_hw_capability, + .query_cee_param = qlcnic_83xx_dcb_query_cee_param, + .get_cee_cfg = qlcnic_83xx_dcb_get_cee_cfg, + .aen_handler = qlcnic_83xx_dcb_aen_handler, +}; + +static const struct qlcnic_dcb_ops qlcnic_82xx_dcb_ops = { + .init_dcbnl_ops = __qlcnic_init_dcbnl_ops, + .free = __qlcnic_dcb_free, + .attach = __qlcnic_dcb_attach, + .query_hw_capability = __qlcnic_dcb_query_hw_capability, + .get_info = __qlcnic_dcb_get_info, + + .get_hw_capability = qlcnic_82xx_dcb_get_hw_capability, + .query_cee_param = qlcnic_82xx_dcb_query_cee_param, + .get_cee_cfg = qlcnic_82xx_dcb_get_cee_cfg, + .aen_handler = qlcnic_82xx_dcb_aen_handler, +}; + +static u8 qlcnic_dcb_get_num_app(struct qlcnic_adapter *adapter, u32 val) +{ + if (qlcnic_82xx_check(adapter)) + return QLC_82XX_DCB_GET_NUMAPP(val); + else + return QLC_83XX_DCB_GET_NUMAPP(val); +} + +static inline u8 qlcnic_dcb_pfc_hdr_valid(struct qlcnic_adapter *adapter, + u32 val) +{ + if (qlcnic_82xx_check(adapter)) + return QLC_82XX_DCB_PFC_VALID(val); + else + return QLC_83XX_DCB_PFC_VALID(val); +} + +static inline u8 qlcnic_dcb_tsa_hdr_valid(struct qlcnic_adapter *adapter, + u32 val) +{ + if (qlcnic_82xx_check(adapter)) + return QLC_82XX_DCB_TSA_VALID(val); + else + return QLC_83XX_DCB_TSA_VALID(val); +} + +static inline u8 qlcnic_dcb_get_prio_map_app(struct qlcnic_adapter *adapter, + u32 val) +{ + if (qlcnic_82xx_check(adapter)) + return QLC_82XX_DCB_GET_PRIOMAP_APP(val); + else + return QLC_83XX_DCB_GET_PRIOMAP_APP(val); +} + +static int qlcnic_dcb_prio_count(u8 up_tc_map) +{ + int j; + + for (j = 0; j < QLC_DCB_MAX_TC; j++) + if (up_tc_map & QLC_DCB_GET_MAP(j)) + break; + + return j; +} + +static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *dcb) +{ + if (test_bit(QLCNIC_DCB_STATE, &dcb->state)) + dcb->adapter->netdev->dcbnl_ops = &qlcnic_dcbnl_ops; +} + +static void qlcnic_set_dcb_ops(struct qlcnic_adapter *adapter) +{ + if (qlcnic_82xx_check(adapter)) + adapter->dcb->ops = &qlcnic_82xx_dcb_ops; + else if (qlcnic_83xx_check(adapter)) + adapter->dcb->ops = &qlcnic_83xx_dcb_ops; +} + +int qlcnic_register_dcb(struct qlcnic_adapter *adapter) +{ + struct qlcnic_dcb *dcb; + + if (qlcnic_sriov_vf_check(adapter)) + return 0; + + dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC); + if (!dcb) + return -ENOMEM; + + adapter->dcb = dcb; + dcb->adapter = adapter; + qlcnic_set_dcb_ops(adapter); + dcb->state = 0; + + return 0; +} + +static void __qlcnic_dcb_free(struct qlcnic_dcb *dcb) +{ + struct qlcnic_adapter *adapter; + + if (!dcb) + return; + + adapter = dcb->adapter; + + while (test_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) + usleep_range(10000, 11000); + + cancel_delayed_work_sync(&dcb->aen_work); + + if (dcb->wq) { + destroy_workqueue(dcb->wq); + dcb->wq = NULL; + } + + kfree(dcb->cfg); + dcb->cfg = NULL; + kfree(dcb->param); + dcb->param = NULL; + kfree(dcb); + adapter->dcb = NULL; +} + +static void __qlcnic_dcb_get_info(struct qlcnic_dcb *dcb) +{ + qlcnic_dcb_get_hw_capability(dcb); + qlcnic_dcb_get_cee_cfg(dcb); +} + +static int __qlcnic_dcb_attach(struct qlcnic_dcb *dcb) +{ + int err = 0; + + INIT_DELAYED_WORK(&dcb->aen_work, qlcnic_dcb_aen_work); + + dcb->wq = create_singlethread_workqueue("qlcnic-dcb"); + if (!dcb->wq) { + dev_err(&dcb->adapter->pdev->dev, + "DCB workqueue allocation failed. DCB will be disabled\n"); + return -1; + } + + dcb->cfg = kzalloc(sizeof(struct qlcnic_dcb_cfg), GFP_ATOMIC); + if (!dcb->cfg) { + err = -ENOMEM; + goto out_free_wq; + } + + dcb->param = kzalloc(sizeof(struct qlcnic_dcb_mbx_params), GFP_ATOMIC); + if (!dcb->param) { + err = -ENOMEM; + goto out_free_cfg; + } + + return 0; +out_free_cfg: + kfree(dcb->cfg); + dcb->cfg = NULL; + +out_free_wq: + destroy_workqueue(dcb->wq); + dcb->wq = NULL; + + return err; +} + +static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf) +{ + struct qlcnic_adapter *adapter = dcb->adapter; + struct qlcnic_cmd_args cmd; + u32 mbx_out; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_CAP); + if (err) + return err; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to query DCBX capability, err %d\n", err); + } else { + mbx_out = cmd.rsp.arg[1]; + if (buf) + memcpy(buf, &mbx_out, sizeof(u32)); + } + + qlcnic_free_mbx_args(&cmd); + + return err; +} + +static int __qlcnic_dcb_get_capability(struct qlcnic_dcb *dcb, u32 *val) +{ + struct qlcnic_dcb_capability *cap = &dcb->cfg->capability; + u32 mbx_out; + int err; + + memset(cap, 0, sizeof(struct qlcnic_dcb_capability)); + + err = qlcnic_dcb_query_hw_capability(dcb, (char *)val); + if (err) + return err; + + mbx_out = *val; + if (QLC_DCB_TSA_SUPPORT(mbx_out)) + cap->tsa_capability = true; + + if (QLC_DCB_ETS_SUPPORT(mbx_out)) + cap->ets_capability = true; + + cap->max_num_tc = QLC_DCB_MAX_NUM_TC(mbx_out); + cap->max_ets_tc = QLC_DCB_MAX_NUM_ETS_TC(mbx_out); + cap->max_pfc_tc = QLC_DCB_MAX_NUM_PFC_TC(mbx_out); + + if (cap->max_num_tc > QLC_DCB_MAX_TC || + cap->max_ets_tc > cap->max_num_tc || + cap->max_pfc_tc > cap->max_num_tc) { + dev_err(&dcb->adapter->pdev->dev, "Invalid DCB configuration\n"); + return -EINVAL; + } + + return err; +} + +static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb) +{ + struct qlcnic_dcb_cfg *cfg = dcb->cfg; + struct qlcnic_dcb_capability *cap; + u32 mbx_out; + int err; + + err = __qlcnic_dcb_get_capability(dcb, &mbx_out); + if (err) + return err; + + cap = &cfg->capability; + cap->dcb_capability = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_LLD_MANAGED; + + if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) + set_bit(QLCNIC_DCB_STATE, &dcb->state); + + return err; +} + +static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *dcb, + char *buf, u8 type) +{ + u16 size = sizeof(struct qlcnic_82xx_dcb_param_mbx_le); + struct qlcnic_adapter *adapter = dcb->adapter; + struct qlcnic_82xx_dcb_param_mbx_le *prsp_le; + struct device *dev = &adapter->pdev->dev; + dma_addr_t cardrsp_phys_addr; + struct qlcnic_dcb_param rsp; + struct qlcnic_cmd_args cmd; + u64 phys_addr; + void *addr; + int err, i; + + switch (type) { + case QLC_DCB_LOCAL_PARAM_FWID: + case QLC_DCB_OPER_PARAM_FWID: + case QLC_DCB_PEER_PARAM_FWID: + break; + default: + dev_err(dev, "Invalid parameter type %d\n", type); + return -EINVAL; + } + + addr = dma_alloc_coherent(dev, size, &cardrsp_phys_addr, GFP_KERNEL); + if (addr == NULL) + return -ENOMEM; + + prsp_le = addr; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); + if (err) + goto out_free_rsp; + + phys_addr = cardrsp_phys_addr; + cmd.req.arg[1] = size | (type << 16); + cmd.req.arg[2] = MSD(phys_addr); + cmd.req.arg[3] = LSD(phys_addr); + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(dev, "Failed to query DCBX parameter, err %d\n", err); + goto out; + } + + memset(&rsp, 0, sizeof(struct qlcnic_dcb_param)); + rsp.hdr_prio_pfc_map[0] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[0]); + rsp.hdr_prio_pfc_map[1] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[1]); + rsp.prio_pg_map[0] = le32_to_cpu(prsp_le->prio_pg_map[0]); + rsp.prio_pg_map[1] = le32_to_cpu(prsp_le->prio_pg_map[1]); + rsp.pg_bw_map[0] = le32_to_cpu(prsp_le->pg_bw_map[0]); + rsp.pg_bw_map[1] = le32_to_cpu(prsp_le->pg_bw_map[1]); + rsp.pg_tsa_map[0] = le32_to_cpu(prsp_le->pg_tsa_map[0]); + rsp.pg_tsa_map[1] = le32_to_cpu(prsp_le->pg_tsa_map[1]); + + for (i = 0; i < QLC_DCB_MAX_APP; i++) + rsp.app[i] = le32_to_cpu(prsp_le->app[i]); + + if (buf) + memcpy(buf, &rsp, size); +out: + qlcnic_free_mbx_args(&cmd); + +out_free_rsp: + dma_free_coherent(dev, size, addr, cardrsp_phys_addr); + + return err; +} + +static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb) +{ + struct qlcnic_dcb_mbx_params *mbx; + int err; + + mbx = dcb->param; + if (!mbx) + return 0; + + err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[0], + QLC_DCB_LOCAL_PARAM_FWID); + if (err) + return err; + + err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[1], + QLC_DCB_OPER_PARAM_FWID); + if (err) + return err; + + err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[2], + QLC_DCB_PEER_PARAM_FWID); + if (err) + return err; + + mbx->prio_tc_map = QLC_82XX_DCB_PRIO_TC_MAP; + + qlcnic_dcb_data_cee_param_map(dcb->adapter); + + return err; +} + +static void qlcnic_dcb_aen_work(struct work_struct *work) +{ + struct qlcnic_dcb *dcb; + + dcb = container_of(work, struct qlcnic_dcb, aen_work.work); + + qlcnic_dcb_get_cee_cfg(dcb); + clear_bit(QLCNIC_DCB_AEN_MODE, &dcb->state); +} + +static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data) +{ + if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) + return; + + queue_delayed_work(dcb->wq, &dcb->aen_work, 0); +} + +static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb) +{ + struct qlcnic_dcb_capability *cap = &dcb->cfg->capability; + u32 mbx_out; + int err; + + err = __qlcnic_dcb_get_capability(dcb, &mbx_out); + if (err) + return err; + + if (mbx_out & BIT_2) + cap->dcb_capability = DCB_CAP_DCBX_VER_CEE; + if (mbx_out & BIT_3) + cap->dcb_capability |= DCB_CAP_DCBX_VER_IEEE; + if (cap->dcb_capability) + cap->dcb_capability |= DCB_CAP_DCBX_LLD_MANAGED; + + if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability) + set_bit(QLCNIC_DCB_STATE, &dcb->state); + + return err; +} + +static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *dcb, + char *buf, u8 idx) +{ + struct qlcnic_adapter *adapter = dcb->adapter; + struct qlcnic_dcb_mbx_params mbx_out; + int err, i, j, k, max_app, size; + struct qlcnic_dcb_param *each; + struct qlcnic_cmd_args cmd; + u32 val; + char *p; + + size = 0; + memset(&mbx_out, 0, sizeof(struct qlcnic_dcb_mbx_params)); + memset(buf, 0, sizeof(struct qlcnic_dcb_mbx_params)); + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM); + if (err) + return err; + + cmd.req.arg[0] |= QLC_DCB_FW_VER << 29; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to query DCBX param, err %d\n", err); + goto out; + } + + mbx_out.prio_tc_map = cmd.rsp.arg[1]; + p = memcpy(buf, &mbx_out, sizeof(u32)); + k = 2; + p += sizeof(u32); + + for (j = 0; j < QLC_DCB_NUM_PARAM; j++) { + each = &mbx_out.type[j]; + + each->hdr_prio_pfc_map[0] = cmd.rsp.arg[k++]; + each->hdr_prio_pfc_map[1] = cmd.rsp.arg[k++]; + each->prio_pg_map[0] = cmd.rsp.arg[k++]; + each->prio_pg_map[1] = cmd.rsp.arg[k++]; + each->pg_bw_map[0] = cmd.rsp.arg[k++]; + each->pg_bw_map[1] = cmd.rsp.arg[k++]; + each->pg_tsa_map[0] = cmd.rsp.arg[k++]; + each->pg_tsa_map[1] = cmd.rsp.arg[k++]; + val = each->hdr_prio_pfc_map[0]; + + max_app = qlcnic_dcb_get_num_app(adapter, val); + for (i = 0; i < max_app; i++) + each->app[i] = cmd.rsp.arg[i + k]; + + size = 16 * sizeof(u32); + memcpy(p, &each->hdr_prio_pfc_map[0], size); + p += size; + if (j == 0) + k = 18; + else + k = 34; + } +out: + qlcnic_free_mbx_args(&cmd); + + return err; +} + +static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb) +{ + int err; + + err = qlcnic_dcb_query_cee_param(dcb, (char *)dcb->param, 0); + if (err) + return err; + + qlcnic_dcb_data_cee_param_map(dcb->adapter); + + return err; +} + +static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data) +{ + u32 *val = data; + + if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state)) + return; + + if (*val & BIT_8) + set_bit(QLCNIC_DCB_STATE, &dcb->state); + else + clear_bit(QLCNIC_DCB_STATE, &dcb->state); + + queue_delayed_work(dcb->wq, &dcb->aen_work, 0); +} + +static void qlcnic_dcb_fill_cee_tc_params(struct qlcnic_dcb_mbx_params *mbx, + struct qlcnic_dcb_param *each, + struct qlcnic_dcb_cee *type) +{ + struct qlcnic_dcb_tc_cfg *tc_cfg; + u8 i, tc, pgid; + + for (i = 0; i < QLC_DCB_MAX_PRIO; i++) { + tc = QLC_DCB_GET_TC_PRIO(mbx->prio_tc_map, i); + tc_cfg = &type->tc_cfg[tc]; + tc_cfg->valid = true; + tc_cfg->up_tc_map |= QLC_DCB_GET_MAP(i); + + if (QLC_DCB_GET_PFC_PRIO(each->hdr_prio_pfc_map[1], i) && + type->pfc_mode_enable) { + tc_cfg->prio_cfg[i].valid = true; + tc_cfg->prio_cfg[i].pfc_type = QLC_PFC_FULL; + } + + if (i < 4) + pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[0], i); + else + pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[1], i); + + tc_cfg->pgid = pgid; + + tc_cfg->prio_type = QLC_PRIO_LINK; + type->pg_cfg[tc_cfg->pgid].prio_count++; + } +} + +static void qlcnic_dcb_fill_cee_pg_params(struct qlcnic_dcb_param *each, + struct qlcnic_dcb_cee *type) +{ + struct qlcnic_dcb_pg_cfg *pg_cfg; + u8 i, tsa, bw_per; + + for (i = 0; i < QLC_DCB_MAX_PG; i++) { + pg_cfg = &type->pg_cfg[i]; + pg_cfg->valid = true; + + if (i < 4) { + bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[0], i); + tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[0], i); + } else { + bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[1], i); + tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[1], i); + } + + pg_cfg->total_bw_percent = bw_per; + pg_cfg->tsa_type = tsa; + } +} + +static void +qlcnic_dcb_fill_cee_app_params(struct qlcnic_adapter *adapter, u8 idx, + struct qlcnic_dcb_param *each, + struct qlcnic_dcb_cee *type) +{ + struct qlcnic_dcb_app *app; + u8 i, num_app, map, cnt; + struct dcb_app new_app; + + num_app = qlcnic_dcb_get_num_app(adapter, each->hdr_prio_pfc_map[0]); + for (i = 0; i < num_app; i++) { + app = &type->app[i]; + app->valid = true; + + /* Only for CEE (-1) */ + app->selector = QLC_DCB_GET_SELECTOR_APP(each->app[i]) - 1; + new_app.selector = app->selector; + app->protocol = QLC_DCB_GET_PROTO_ID_APP(each->app[i]); + new_app.protocol = app->protocol; + map = qlcnic_dcb_get_prio_map_app(adapter, each->app[i]); + cnt = qlcnic_dcb_prio_count(map); + + if (cnt >= QLC_DCB_MAX_TC) + cnt = 0; + + app->priority = cnt; + new_app.priority = cnt; + + if (idx == QLC_DCB_OPER_IDX && adapter->netdev->dcbnl_ops) + dcb_setapp(adapter->netdev, &new_app); + } +} + +static void qlcnic_dcb_map_cee_params(struct qlcnic_adapter *adapter, u8 idx) +{ + struct qlcnic_dcb_mbx_params *mbx = adapter->dcb->param; + struct qlcnic_dcb_param *each = &mbx->type[idx]; + struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; + struct qlcnic_dcb_cee *type = &cfg->type[idx]; + + type->tc_param_valid = false; + type->pfc_mode_enable = false; + memset(type->tc_cfg, 0, + sizeof(struct qlcnic_dcb_tc_cfg) * QLC_DCB_MAX_TC); + memset(type->pg_cfg, 0, + sizeof(struct qlcnic_dcb_pg_cfg) * QLC_DCB_MAX_TC); + + if (qlcnic_dcb_pfc_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) && + cfg->capability.max_pfc_tc) + type->pfc_mode_enable = true; + + if (qlcnic_dcb_tsa_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) && + cfg->capability.max_ets_tc) + type->tc_param_valid = true; + + qlcnic_dcb_fill_cee_tc_params(mbx, each, type); + qlcnic_dcb_fill_cee_pg_params(each, type); + qlcnic_dcb_fill_cee_app_params(adapter, idx, each, type); +} + +static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *adapter) +{ + int i; + + for (i = 0; i < QLC_DCB_NUM_PARAM; i++) + qlcnic_dcb_map_cee_params(adapter, i); + + dcbnl_cee_notify(adapter->netdev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0); +} + +static u8 qlcnic_dcb_get_state(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + return test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state); +} + +static void qlcnic_dcb_get_perm_hw_addr(struct net_device *netdev, u8 *addr) +{ + memcpy(addr, netdev->perm_addr, netdev->addr_len); +} + +static void +qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio, + u8 *pgid, u8 *bw_per, u8 *up_tc_map) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_tc_cfg *tc_cfg, *temp; + struct qlcnic_dcb_cee *type; + u8 i, cnt, pg; + + type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; + *prio = *pgid = *bw_per = *up_tc_map = 0; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || + !type->tc_param_valid) + return; + + if (tc < 0 || (tc >= QLC_DCB_MAX_TC)) + return; + + tc_cfg = &type->tc_cfg[tc]; + if (!tc_cfg->valid) + return; + + *pgid = tc_cfg->pgid; + *prio = tc_cfg->prio_type; + *up_tc_map = tc_cfg->up_tc_map; + pg = *pgid; + + for (i = 0, cnt = 0; i < QLC_DCB_MAX_TC; i++) { + temp = &type->tc_cfg[i]; + if (temp->valid && (pg == temp->pgid)) + cnt++; + } + + tc_cfg->bwg_percent = (100 / cnt); + *bw_per = tc_cfg->bwg_percent; +} + +static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid, + u8 *bw_pct) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_pg_cfg *pgcfg; + struct qlcnic_dcb_cee *type; + + *bw_pct = 0; + type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || + !type->tc_param_valid) + return; + + if (pgid < 0 || pgid >= QLC_DCB_MAX_PG) + return; + + pgcfg = &type->pg_cfg[pgid]; + if (!pgcfg->valid) + return; + + *bw_pct = pgcfg->total_bw_percent; +} + +static void qlcnic_dcb_get_pfc_cfg(struct net_device *netdev, int prio, + u8 *setting) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_tc_cfg *tc_cfg; + u8 val = QLC_DCB_GET_MAP(prio); + struct qlcnic_dcb_cee *type; + u8 i; + + *setting = 0; + type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) || + !type->pfc_mode_enable) + return; + + for (i = 0; i < QLC_DCB_MAX_TC; i++) { + tc_cfg = &type->tc_cfg[i]; + if (!tc_cfg->valid) + continue; + + if ((val & tc_cfg->up_tc_map) && (tc_cfg->prio_cfg[prio].valid)) + *setting = tc_cfg->prio_cfg[prio].pfc_type; + } +} + +static u8 qlcnic_dcb_get_capability(struct net_device *netdev, int capid, + u8 *cap) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 1; + + switch (capid) { + case DCB_CAP_ATTR_PG: + case DCB_CAP_ATTR_UP2TC: + case DCB_CAP_ATTR_PFC: + case DCB_CAP_ATTR_GSP: + *cap = true; + break; + case DCB_CAP_ATTR_PG_TCS: + case DCB_CAP_ATTR_PFC_TCS: + *cap = 0x80; /* 8 priorities for PGs */ + break; + case DCB_CAP_ATTR_DCBX: + *cap = adapter->dcb->cfg->capability.dcb_capability; + break; + default: + *cap = false; + } + + return 0; +} + +static int qlcnic_dcb_get_num_tcs(struct net_device *netdev, int attr, u8 *num) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return -EINVAL; + + switch (attr) { + case DCB_NUMTCS_ATTR_PG: + *num = cfg->capability.max_ets_tc; + return 0; + case DCB_NUMTCS_ATTR_PFC: + *num = cfg->capability.max_pfc_tc; + return 0; + default: + return -EINVAL; + } +} + +static int qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct dcb_app app = { + .selector = idtype, + .protocol = id, + }; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return -EINVAL; + + return dcb_getapp(netdev, &app); +} + +static u8 qlcnic_dcb_get_pfc_state(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb *dcb = adapter->dcb; + + if (!test_bit(QLCNIC_DCB_STATE, &dcb->state)) + return 0; + + return dcb->cfg->type[QLC_DCB_OPER_IDX].pfc_mode_enable; +} + +static u8 qlcnic_dcb_get_dcbx(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 0; + + return cfg->capability.dcb_capability; +} + +static u8 qlcnic_dcb_get_feat_cfg(struct net_device *netdev, int fid, u8 *flag) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cee *type; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 1; + + type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX]; + *flag = 0; + + switch (fid) { + case DCB_FEATCFG_ATTR_PG: + if (type->tc_param_valid) + *flag |= DCB_FEATCFG_ENABLE; + else + *flag |= DCB_FEATCFG_ERROR; + break; + case DCB_FEATCFG_ATTR_PFC: + if (type->pfc_mode_enable) { + if (type->tc_cfg[0].prio_cfg[0].pfc_type) + *flag |= DCB_FEATCFG_ENABLE; + } else { + *flag |= DCB_FEATCFG_ERROR; + } + break; + case DCB_FEATCFG_ATTR_APP: + *flag |= DCB_FEATCFG_ENABLE; + break; + default: + netdev_err(netdev, "Invalid Feature ID %d\n", fid); + return 1; + } + + return 0; +} + +static inline void +qlcnic_dcb_get_pg_tc_cfg_rx(struct net_device *netdev, int prio, u8 *prio_type, + u8 *pgid, u8 *bw_pct, u8 *up_map) +{ + *prio_type = *pgid = *bw_pct = *up_map = 0; +} + +static inline void +qlcnic_dcb_get_pg_bwg_cfg_rx(struct net_device *netdev, int pgid, u8 *bw_pct) +{ + *bw_pct = 0; +} + +static int qlcnic_dcb_peer_app_info(struct net_device *netdev, + struct dcb_peer_app_info *info, + u16 *app_count) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cee *peer; + int i; + + memset(info, 0, sizeof(*info)); + *app_count = 0; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 0; + + peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; + + for (i = 0; i < QLC_DCB_MAX_APP; i++) { + if (peer->app[i].valid) + (*app_count)++; + } + + return 0; +} + +static int qlcnic_dcb_peer_app_table(struct net_device *netdev, + struct dcb_app *table) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cee *peer; + struct qlcnic_dcb_app *app; + int i, j; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 0; + + peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; + + for (i = 0, j = 0; i < QLC_DCB_MAX_APP; i++) { + app = &peer->app[i]; + if (!app->valid) + continue; + + table[j].selector = app->selector; + table[j].priority = app->priority; + table[j++].protocol = app->protocol; + } + + return 0; +} + +static int qlcnic_dcb_cee_peer_get_pg(struct net_device *netdev, + struct cee_pg *pg) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cee *peer; + u8 i, j, k, map; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 0; + + peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX]; + + for (i = 0, j = 0; i < QLC_DCB_MAX_PG; i++) { + if (!peer->pg_cfg[i].valid) + continue; + + pg->pg_bw[j] = peer->pg_cfg[i].total_bw_percent; + + for (k = 0; k < QLC_DCB_MAX_TC; k++) { + if (peer->tc_cfg[i].valid && + (peer->tc_cfg[i].pgid == i)) { + map = peer->tc_cfg[i].up_tc_map; + pg->prio_pg[j++] = map; + break; + } + } + } + + return 0; +} + +static int qlcnic_dcb_cee_peer_get_pfc(struct net_device *netdev, + struct cee_pfc *pfc) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg; + struct qlcnic_dcb_tc_cfg *tc; + struct qlcnic_dcb_cee *peer; + u8 i, setting, prio; + + pfc->pfc_en = 0; + + if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) + return 0; + + peer = &cfg->type[QLC_DCB_PEER_IDX]; + + for (i = 0; i < QLC_DCB_MAX_TC; i++) { + tc = &peer->tc_cfg[i]; + prio = qlcnic_dcb_prio_count(tc->up_tc_map); + + setting = 0; + qlcnic_dcb_get_pfc_cfg(netdev, prio, &setting); + if (setting) + pfc->pfc_en |= QLC_DCB_GET_MAP(i); + } + + pfc->tcs_supported = cfg->capability.max_pfc_tc; + + return 0; +} + +static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops = { + .getstate = qlcnic_dcb_get_state, + .getpermhwaddr = qlcnic_dcb_get_perm_hw_addr, + .getpgtccfgtx = qlcnic_dcb_get_pg_tc_cfg_tx, + .getpgbwgcfgtx = qlcnic_dcb_get_pg_bwg_cfg_tx, + .getpfccfg = qlcnic_dcb_get_pfc_cfg, + .getcap = qlcnic_dcb_get_capability, + .getnumtcs = qlcnic_dcb_get_num_tcs, + .getapp = qlcnic_dcb_get_app, + .getpfcstate = qlcnic_dcb_get_pfc_state, + .getdcbx = qlcnic_dcb_get_dcbx, + .getfeatcfg = qlcnic_dcb_get_feat_cfg, + + .getpgtccfgrx = qlcnic_dcb_get_pg_tc_cfg_rx, + .getpgbwgcfgrx = qlcnic_dcb_get_pg_bwg_cfg_rx, + + .peer_getappinfo = qlcnic_dcb_peer_app_info, + .peer_getapptable = qlcnic_dcb_peer_app_table, + .cee_peer_getpg = qlcnic_dcb_cee_peer_get_pg, + .cee_peer_getpfc = qlcnic_dcb_cee_peer_get_pfc, +}; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h new file mode 100644 index 000000000..22afa2be8 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h @@ -0,0 +1,114 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef __QLCNIC_DCBX_H +#define __QLCNIC_DCBX_H + +#define QLCNIC_DCB_STATE 0 +#define QLCNIC_DCB_AEN_MODE 1 + +#ifdef CONFIG_QLCNIC_DCB +int qlcnic_register_dcb(struct qlcnic_adapter *); +#else +static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter) +{ return 0; } +#endif + +struct qlcnic_dcb; + +struct qlcnic_dcb_ops { + int (*query_hw_capability) (struct qlcnic_dcb *, char *); + int (*get_hw_capability) (struct qlcnic_dcb *); + int (*query_cee_param) (struct qlcnic_dcb *, char *, u8); + void (*init_dcbnl_ops) (struct qlcnic_dcb *); + void (*aen_handler) (struct qlcnic_dcb *, void *); + int (*get_cee_cfg) (struct qlcnic_dcb *); + void (*get_info) (struct qlcnic_dcb *); + int (*attach) (struct qlcnic_dcb *); + void (*free) (struct qlcnic_dcb *); +}; + +struct qlcnic_dcb { + struct qlcnic_dcb_mbx_params *param; + struct qlcnic_adapter *adapter; + struct delayed_work aen_work; + struct workqueue_struct *wq; + const struct qlcnic_dcb_ops *ops; + struct qlcnic_dcb_cfg *cfg; + unsigned long state; +}; + +static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->get_hw_capability) + return dcb->ops->get_hw_capability(dcb); + + return -EOPNOTSUPP; +} + +static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->free) + dcb->ops->free(dcb); +} + +static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->attach) + return dcb->ops->attach(dcb); + + return -EOPNOTSUPP; +} + +static inline int +qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf) +{ + if (dcb && dcb->ops->query_hw_capability) + return dcb->ops->query_hw_capability(dcb, buf); + + return -EOPNOTSUPP; +} + +static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->get_info) + dcb->ops->get_info(dcb); +} + +static inline int +qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type) +{ + if (dcb && dcb->ops->query_cee_param) + return dcb->ops->query_cee_param(dcb, buf, type); + + return -EOPNOTSUPP; +} + +static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->get_cee_cfg) + return dcb->ops->get_cee_cfg(dcb); + + return -EOPNOTSUPP; +} + +static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg) +{ + if (dcb && dcb->ops->aen_handler) + dcb->ops->aen_handler(dcb, msg); +} + +static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb) +{ + if (dcb && dcb->ops->init_dcbnl_ops) + dcb->ops->init_dcbnl_ops(dcb); +} + +static inline int qlcnic_dcb_enable(struct qlcnic_dcb *dcb) +{ + return dcb ? qlcnic_dcb_attach(dcb) : 0; +} +#endif diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c new file mode 100644 index 000000000..d8f0863b3 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -0,0 +1,1882 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/io.h> +#include <linux/netdevice.h> +#include <linux/ethtool.h> + +#include "qlcnic.h" + +struct qlcnic_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define QLC_SIZEOF(m) sizeof_field(struct qlcnic_adapter, m) +#define QLC_OFF(m) offsetof(struct qlcnic_adapter, m) +static const u32 qlcnic_fw_dump_level[] = { + 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff +}; + +static const struct qlcnic_stats qlcnic_gstrings_stats[] = { + {"xmit_on", QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)}, + {"xmit_off", QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)}, + {"xmit_called", QLC_SIZEOF(stats.xmitcalled), + QLC_OFF(stats.xmitcalled)}, + {"xmit_finished", QLC_SIZEOF(stats.xmitfinished), + QLC_OFF(stats.xmitfinished)}, + {"tx dma map error", QLC_SIZEOF(stats.tx_dma_map_error), + QLC_OFF(stats.tx_dma_map_error)}, + {"tx_bytes", QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)}, + {"tx_dropped", QLC_SIZEOF(stats.txdropped), QLC_OFF(stats.txdropped)}, + {"rx dma map error", QLC_SIZEOF(stats.rx_dma_map_error), + QLC_OFF(stats.rx_dma_map_error)}, + {"rx_pkts", QLC_SIZEOF(stats.rx_pkts), QLC_OFF(stats.rx_pkts)}, + {"rx_bytes", QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)}, + {"rx_dropped", QLC_SIZEOF(stats.rxdropped), QLC_OFF(stats.rxdropped)}, + {"null rxbuf", QLC_SIZEOF(stats.null_rxbuf), QLC_OFF(stats.null_rxbuf)}, + {"csummed", QLC_SIZEOF(stats.csummed), QLC_OFF(stats.csummed)}, + {"lro_pkts", QLC_SIZEOF(stats.lro_pkts), QLC_OFF(stats.lro_pkts)}, + {"lrobytes", QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)}, + {"lso_frames", QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)}, + {"encap_lso_frames", QLC_SIZEOF(stats.encap_lso_frames), + QLC_OFF(stats.encap_lso_frames)}, + {"encap_tx_csummed", QLC_SIZEOF(stats.encap_tx_csummed), + QLC_OFF(stats.encap_tx_csummed)}, + {"encap_rx_csummed", QLC_SIZEOF(stats.encap_rx_csummed), + QLC_OFF(stats.encap_rx_csummed)}, + {"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure), + QLC_OFF(stats.skb_alloc_failure)}, + {"mac_filter_limit_overrun", QLC_SIZEOF(stats.mac_filter_limit_overrun), + QLC_OFF(stats.mac_filter_limit_overrun)}, + {"spurious intr", QLC_SIZEOF(stats.spurious_intr), + QLC_OFF(stats.spurious_intr)}, + {"mbx spurious intr", QLC_SIZEOF(stats.mbx_spurious_intr), + QLC_OFF(stats.mbx_spurious_intr)}, +}; + +static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = { + "tx unicast frames", + "tx multicast frames", + "tx broadcast frames", + "tx dropped frames", + "tx errors", + "tx local frames", + "tx numbytes", + "rx unicast frames", + "rx multicast frames", + "rx broadcast frames", + "rx dropped frames", + "rx errors", + "rx local frames", + "rx numbytes", +}; + +static const char qlcnic_83xx_tx_stats_strings[][ETH_GSTRING_LEN] = { + "ctx_tx_bytes", + "ctx_tx_pkts", + "ctx_tx_errors", + "ctx_tx_dropped_pkts", + "ctx_tx_num_buffers", +}; + +static const char qlcnic_83xx_mac_stats_strings[][ETH_GSTRING_LEN] = { + "mac_tx_frames", + "mac_tx_bytes", + "mac_tx_mcast_pkts", + "mac_tx_bcast_pkts", + "mac_tx_pause_cnt", + "mac_tx_ctrl_pkt", + "mac_tx_lt_64b_pkts", + "mac_tx_lt_127b_pkts", + "mac_tx_lt_255b_pkts", + "mac_tx_lt_511b_pkts", + "mac_tx_lt_1023b_pkts", + "mac_tx_lt_1518b_pkts", + "mac_tx_gt_1518b_pkts", + "mac_rx_frames", + "mac_rx_bytes", + "mac_rx_mcast_pkts", + "mac_rx_bcast_pkts", + "mac_rx_pause_cnt", + "mac_rx_ctrl_pkt", + "mac_rx_lt_64b_pkts", + "mac_rx_lt_127b_pkts", + "mac_rx_lt_255b_pkts", + "mac_rx_lt_511b_pkts", + "mac_rx_lt_1023b_pkts", + "mac_rx_lt_1518b_pkts", + "mac_rx_gt_1518b_pkts", + "mac_rx_length_error", + "mac_rx_length_small", + "mac_rx_length_large", + "mac_rx_jabber", + "mac_rx_dropped", + "mac_crc_error", + "mac_align_error", + "eswitch_frames", + "eswitch_bytes", + "eswitch_multicast_frames", + "eswitch_broadcast_frames", + "eswitch_unicast_frames", + "eswitch_error_free_frames", + "eswitch_error_free_bytes", +}; + +#define QLCNIC_STATS_LEN ARRAY_SIZE(qlcnic_gstrings_stats) + +static const char qlcnic_tx_queue_stats_strings[][ETH_GSTRING_LEN] = { + "xmit_on", + "xmit_off", + "xmit_called", + "xmit_finished", + "tx_bytes", +}; + +#define QLCNIC_TX_STATS_LEN ARRAY_SIZE(qlcnic_tx_queue_stats_strings) + +static const char qlcnic_83xx_rx_stats_strings[][ETH_GSTRING_LEN] = { + "ctx_rx_bytes", + "ctx_rx_pkts", + "ctx_lro_pkt_cnt", + "ctx_ip_csum_error", + "ctx_rx_pkts_wo_ctx", + "ctx_rx_pkts_drop_wo_sds_on_card", + "ctx_rx_pkts_drop_wo_sds_on_host", + "ctx_rx_osized_pkts", + "ctx_rx_pkts_dropped_wo_rds", + "ctx_rx_unexpected_mcast_pkts", + "ctx_invalid_mac_address", + "ctx_rx_rds_ring_prim_attempted", + "ctx_rx_rds_ring_prim_success", + "ctx_num_lro_flows_added", + "ctx_num_lro_flows_removed", + "ctx_num_lro_flows_active", + "ctx_pkts_dropped_unknown", +}; + +static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = { + "Register_Test_on_offline", + "Link_Test_on_offline", + "Interrupt_Test_offline", + "Internal_Loopback_offline", + "External_Loopback_offline", + "EEPROM_Test_offline" +}; + +#define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test) + +static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter) +{ + return ARRAY_SIZE(qlcnic_gstrings_stats) + + ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) + + QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings; +} + +static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter) +{ + return ARRAY_SIZE(qlcnic_gstrings_stats) + + ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) + + ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) + + ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) + + QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings; +} + +static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter) +{ + int len = -1; + + if (qlcnic_82xx_check(adapter)) { + len = qlcnic_82xx_statistics(adapter); + if (adapter->flags & QLCNIC_ESWITCH_ENABLED) + len += ARRAY_SIZE(qlcnic_device_gstrings_stats); + } else if (qlcnic_83xx_check(adapter)) { + len = qlcnic_83xx_statistics(adapter); + } + + return len; +} + +#define QLCNIC_TX_INTR_NOT_CONFIGURED 0X78563412 + +#define QLCNIC_MAX_EEPROM_LEN 1024 + +static const u32 diag_registers[] = { + QLCNIC_CMDPEG_STATE, + QLCNIC_RCVPEG_STATE, + QLCNIC_FW_CAPABILITIES, + QLCNIC_CRB_DRV_ACTIVE, + QLCNIC_CRB_DEV_STATE, + QLCNIC_CRB_DRV_STATE, + QLCNIC_CRB_DRV_SCRATCH, + QLCNIC_CRB_DEV_PARTITION_INFO, + QLCNIC_CRB_DRV_IDC_VER, + QLCNIC_PEG_ALIVE_COUNTER, + QLCNIC_PEG_HALT_STATUS1, + QLCNIC_PEG_HALT_STATUS2, + -1 +}; + + +static const u32 ext_diag_registers[] = { + CRB_XG_STATE_P3P, + ISR_INT_STATE_REG, + QLCNIC_CRB_PEG_NET_0+0x3c, + QLCNIC_CRB_PEG_NET_1+0x3c, + QLCNIC_CRB_PEG_NET_2+0x3c, + QLCNIC_CRB_PEG_NET_4+0x3c, + -1 +}; + +#define QLCNIC_MGMT_API_VERSION 3 +#define QLCNIC_ETHTOOL_REGS_VER 4 + +static inline int qlcnic_get_ring_regs_len(struct qlcnic_adapter *adapter) +{ + int ring_regs_cnt = (adapter->drv_tx_rings * 5) + + (adapter->max_rds_rings * 2) + + (adapter->drv_sds_rings * 3) + 5; + return ring_regs_cnt * sizeof(u32); +} + +static int qlcnic_get_regs_len(struct net_device *dev) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u32 len; + + if (qlcnic_83xx_check(adapter)) + len = qlcnic_83xx_get_regs_len(adapter); + else + len = sizeof(ext_diag_registers) + sizeof(diag_registers); + + len += ((QLCNIC_DEV_INFO_SIZE + 2) * sizeof(u32)); + len += qlcnic_get_ring_regs_len(adapter); + return len; +} + +static int qlcnic_get_eeprom_len(struct net_device *dev) +{ + return QLCNIC_FLASH_TOTAL_SIZE; +} + +static void +qlcnic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u32 fw_major, fw_minor, fw_build; + fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); + fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); + fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); + snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), + "%d.%d.%d", fw_major, fw_minor, fw_build); + + strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), + sizeof(drvinfo->bus_info)); + strlcpy(drvinfo->driver, qlcnic_driver_name, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, QLCNIC_LINUX_VERSIONID, + sizeof(drvinfo->version)); +} + +static int qlcnic_82xx_get_link_ksettings(struct qlcnic_adapter *adapter, + struct ethtool_link_ksettings *ecmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 speed, reg; + int check_sfp_module = 0, err = 0; + u16 pcifn = ahw->pci_func; + u32 supported, advertising; + + /* read which mode */ + if (adapter->ahw->port_type == QLCNIC_GBE) { + supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Half | + SUPPORTED_1000baseT_Full); + + advertising = (ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full | + ADVERTISED_1000baseT_Half | + ADVERTISED_1000baseT_Full); + + ecmd->base.speed = adapter->ahw->link_speed; + ecmd->base.duplex = adapter->ahw->link_duplex; + ecmd->base.autoneg = adapter->ahw->link_autoneg; + + } else if (adapter->ahw->port_type == QLCNIC_XGBE) { + u32 val = 0; + val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err); + + if (val == QLCNIC_PORT_MODE_802_3_AP) { + supported = SUPPORTED_1000baseT_Full; + advertising = ADVERTISED_1000baseT_Full; + } else { + supported = SUPPORTED_10000baseT_Full; + advertising = ADVERTISED_10000baseT_Full; + } + + if (netif_running(adapter->netdev) && ahw->has_link_events) { + if (ahw->linkup) { + reg = QLCRD32(adapter, + P3P_LINK_SPEED_REG(pcifn), &err); + speed = P3P_LINK_SPEED_VAL(pcifn, reg); + ahw->link_speed = speed * P3P_LINK_SPEED_MHZ; + } + + ecmd->base.speed = ahw->link_speed; + ecmd->base.autoneg = ahw->link_autoneg; + ecmd->base.duplex = ahw->link_duplex; + goto skip; + } + + ecmd->base.speed = SPEED_UNKNOWN; + ecmd->base.duplex = DUPLEX_UNKNOWN; + ecmd->base.autoneg = AUTONEG_DISABLE; + } else + return -EIO; + +skip: + ecmd->base.phy_address = adapter->ahw->physical_port; + + switch (adapter->ahw->board_type) { + case QLCNIC_BRDTYPE_P3P_REF_QG: + case QLCNIC_BRDTYPE_P3P_4_GB: + case QLCNIC_BRDTYPE_P3P_4_GB_MM: + supported |= SUPPORTED_Autoneg; + advertising |= ADVERTISED_Autoneg; + fallthrough; + case QLCNIC_BRDTYPE_P3P_10G_CX4: + case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: + case QLCNIC_BRDTYPE_P3P_10000_BASE_T: + supported |= SUPPORTED_TP; + advertising |= ADVERTISED_TP; + ecmd->base.port = PORT_TP; + ecmd->base.autoneg = adapter->ahw->link_autoneg; + break; + case QLCNIC_BRDTYPE_P3P_IMEZ: + case QLCNIC_BRDTYPE_P3P_XG_LOM: + case QLCNIC_BRDTYPE_P3P_HMEZ: + supported |= SUPPORTED_MII; + advertising |= ADVERTISED_MII; + ecmd->base.port = PORT_MII; + ecmd->base.autoneg = AUTONEG_DISABLE; + break; + case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS: + case QLCNIC_BRDTYPE_P3P_10G_SFP_CT: + case QLCNIC_BRDTYPE_P3P_10G_SFP_QT: + advertising |= ADVERTISED_TP; + supported |= SUPPORTED_TP; + check_sfp_module = netif_running(adapter->netdev) && + ahw->has_link_events; + fallthrough; + case QLCNIC_BRDTYPE_P3P_10G_XFP: + supported |= SUPPORTED_FIBRE; + advertising |= ADVERTISED_FIBRE; + ecmd->base.port = PORT_FIBRE; + ecmd->base.autoneg = AUTONEG_DISABLE; + break; + case QLCNIC_BRDTYPE_P3P_10G_TP: + if (adapter->ahw->port_type == QLCNIC_XGBE) { + ecmd->base.autoneg = AUTONEG_DISABLE; + supported |= (SUPPORTED_FIBRE | SUPPORTED_TP); + advertising |= + (ADVERTISED_FIBRE | ADVERTISED_TP); + ecmd->base.port = PORT_FIBRE; + check_sfp_module = netif_running(adapter->netdev) && + ahw->has_link_events; + } else { + ecmd->base.autoneg = AUTONEG_ENABLE; + supported |= (SUPPORTED_TP | SUPPORTED_Autoneg); + advertising |= + (ADVERTISED_TP | ADVERTISED_Autoneg); + ecmd->base.port = PORT_TP; + } + break; + default: + dev_err(&adapter->pdev->dev, "Unsupported board model %d\n", + adapter->ahw->board_type); + return -EIO; + } + + if (check_sfp_module) { + switch (adapter->ahw->module_type) { + case LINKEVENT_MODULE_OPTICAL_UNKNOWN: + case LINKEVENT_MODULE_OPTICAL_SRLR: + case LINKEVENT_MODULE_OPTICAL_LRM: + case LINKEVENT_MODULE_OPTICAL_SFP_1G: + ecmd->base.port = PORT_FIBRE; + break; + case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE: + case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN: + case LINKEVENT_MODULE_TWINAX: + ecmd->base.port = PORT_TP; + break; + default: + ecmd->base.port = PORT_OTHER; + } + } + + ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, + advertising); + + return 0; +} + +static int qlcnic_get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *ecmd) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + + if (qlcnic_82xx_check(adapter)) + return qlcnic_82xx_get_link_ksettings(adapter, ecmd); + else if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_get_link_ksettings(adapter, ecmd); + + return -EIO; +} + + +static int qlcnic_set_port_config(struct qlcnic_adapter *adapter, + const struct ethtool_link_ksettings *ecmd) +{ + u32 ret = 0, config = 0; + /* read which mode */ + if (ecmd->base.duplex) + config |= 0x1; + + if (ecmd->base.autoneg) + config |= 0x2; + + switch (ecmd->base.speed) { + case SPEED_10: + config |= (0 << 8); + break; + case SPEED_100: + config |= (1 << 8); + break; + case SPEED_1000: + config |= (10 << 8); + break; + default: + return -EIO; + } + + ret = qlcnic_fw_cmd_set_port(adapter, config); + + if (ret == QLCNIC_RCODE_NOT_SUPPORTED) + return -EOPNOTSUPP; + else if (ret) + return -EIO; + return ret; +} + +static int qlcnic_set_link_ksettings(struct net_device *dev, + const struct ethtool_link_ksettings *ecmd) +{ + u32 ret = 0; + struct qlcnic_adapter *adapter = netdev_priv(dev); + + if (qlcnic_83xx_check(adapter)) + qlcnic_83xx_get_port_type(adapter); + + if (adapter->ahw->port_type != QLCNIC_GBE) + return -EOPNOTSUPP; + + if (qlcnic_83xx_check(adapter)) + ret = qlcnic_83xx_set_link_ksettings(adapter, ecmd); + else + ret = qlcnic_set_port_config(adapter, ecmd); + + if (!ret) + return ret; + + adapter->ahw->link_speed = ecmd->base.speed; + adapter->ahw->link_duplex = ecmd->base.duplex; + adapter->ahw->link_autoneg = ecmd->base.autoneg; + + if (!netif_running(dev)) + return 0; + + dev->netdev_ops->ndo_stop(dev); + return dev->netdev_ops->ndo_open(dev); +} + +static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter, + u32 *regs_buff) +{ + int i, j = 0, err = 0; + + for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++) + regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]); + j = 0; + while (ext_diag_registers[j] != -1) + regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++], + &err); + return i; +} + +static void +qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_rds_ring *rds_rings; + struct qlcnic_host_tx_ring *tx_ring; + u32 *regs_buff = p; + int ring, i = 0; + + memset(p, 0, qlcnic_get_regs_len(dev)); + + regs->version = (QLCNIC_ETHTOOL_REGS_VER << 24) | + (adapter->ahw->revision_id << 16) | (adapter->pdev)->device; + + regs_buff[0] = (0xcafe0000 | (QLCNIC_DEV_INFO_SIZE & 0xffff)); + regs_buff[1] = QLCNIC_MGMT_API_VERSION; + + if (adapter->ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) + regs_buff[2] = adapter->ahw->max_vnic_func; + + if (qlcnic_82xx_check(adapter)) + i = qlcnic_82xx_get_registers(adapter, regs_buff); + else + i = qlcnic_83xx_get_registers(adapter, regs_buff); + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) + return; + + /* Marker btw regs and TX ring count */ + regs_buff[i++] = 0xFFEFCDAB; + + regs_buff[i++] = adapter->drv_tx_rings; /* No. of TX ring */ + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + regs_buff[i++] = le32_to_cpu(*(tx_ring->hw_consumer)); + regs_buff[i++] = tx_ring->sw_consumer; + regs_buff[i++] = readl(tx_ring->crb_cmd_producer); + regs_buff[i++] = tx_ring->producer; + if (tx_ring->crb_intr_mask) + regs_buff[i++] = readl(tx_ring->crb_intr_mask); + else + regs_buff[i++] = QLCNIC_TX_INTR_NOT_CONFIGURED; + } + + regs_buff[i++] = adapter->max_rds_rings; /* No. of RX ring */ + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_rings = &recv_ctx->rds_rings[ring]; + regs_buff[i++] = readl(rds_rings->crb_rcv_producer); + regs_buff[i++] = rds_rings->producer; + } + + regs_buff[i++] = adapter->drv_sds_rings; /* No. of SDS ring */ + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &(recv_ctx->sds_rings[ring]); + regs_buff[i++] = readl(sds_ring->crb_sts_consumer); + regs_buff[i++] = sds_ring->consumer; + regs_buff[i++] = readl(sds_ring->crb_intr_mask); + } +} + +static u32 qlcnic_test_link(struct net_device *dev) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + int err = 0; + u32 val; + + if (qlcnic_83xx_check(adapter)) { + val = qlcnic_83xx_test_link(adapter); + return (val & 1) ? 0 : 1; + } + val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err); + if (err == -EIO) + return err; + val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val); + return (val == XG_LINK_UP_P3P) ? 0 : 1; +} + +static int +qlcnic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, + u8 *bytes) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + int offset; + int ret = -1; + + if (qlcnic_83xx_check(adapter)) + return 0; + if (eeprom->len == 0) + return -EINVAL; + + eeprom->magic = (adapter->pdev)->vendor | + ((adapter->pdev)->device << 16); + offset = eeprom->offset; + + if (qlcnic_82xx_check(adapter)) + ret = qlcnic_rom_fast_read_words(adapter, offset, bytes, + eeprom->len); + if (ret < 0) + return ret; + + return 0; +} + +static void +qlcnic_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + + ring->rx_pending = adapter->num_rxd; + ring->rx_jumbo_pending = adapter->num_jumbo_rxd; + ring->tx_pending = adapter->num_txd; + + ring->rx_max_pending = adapter->max_rxd; + ring->rx_jumbo_max_pending = adapter->max_jumbo_rxd; + ring->tx_max_pending = MAX_CMD_DESCRIPTORS; +} + +static u32 +qlcnic_validate_ringparam(u32 val, u32 min, u32 max, char *r_name) +{ + u32 num_desc; + num_desc = max(val, min); + num_desc = min(num_desc, max); + num_desc = roundup_pow_of_two(num_desc); + + if (val != num_desc) { + printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n", + qlcnic_driver_name, r_name, num_desc, val); + } + + return num_desc; +} + +static int +qlcnic_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u16 num_rxd, num_jumbo_rxd, num_txd; + + if (ring->rx_mini_pending) + return -EOPNOTSUPP; + + num_rxd = qlcnic_validate_ringparam(ring->rx_pending, + MIN_RCV_DESCRIPTORS, adapter->max_rxd, "rx"); + + num_jumbo_rxd = qlcnic_validate_ringparam(ring->rx_jumbo_pending, + MIN_JUMBO_DESCRIPTORS, adapter->max_jumbo_rxd, + "rx jumbo"); + + num_txd = qlcnic_validate_ringparam(ring->tx_pending, + MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx"); + + if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd && + num_jumbo_rxd == adapter->num_jumbo_rxd) + return 0; + + adapter->num_rxd = num_rxd; + adapter->num_jumbo_rxd = num_jumbo_rxd; + adapter->num_txd = num_txd; + + return qlcnic_reset_context(adapter); +} + +static int qlcnic_validate_ring_count(struct qlcnic_adapter *adapter, + u8 rx_ring, u8 tx_ring) +{ + if (rx_ring == 0 || tx_ring == 0) + return -EINVAL; + + if (rx_ring != 0) { + if (rx_ring > adapter->max_sds_rings) { + netdev_err(adapter->netdev, + "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n", + rx_ring, adapter->max_sds_rings); + return -EINVAL; + } + } + + if (tx_ring != 0) { + if (tx_ring > adapter->max_tx_rings) { + netdev_err(adapter->netdev, + "Invalid ring count, Tx ring count %d should not be greater than max %d driver Tx rings.\n", + tx_ring, adapter->max_tx_rings); + return -EINVAL; + } + } + + return 0; +} + +static void qlcnic_get_channels(struct net_device *dev, + struct ethtool_channels *channel) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + + channel->max_rx = adapter->max_sds_rings; + channel->max_tx = adapter->max_tx_rings; + channel->rx_count = adapter->drv_sds_rings; + channel->tx_count = adapter->drv_tx_rings; +} + +static int qlcnic_set_channels(struct net_device *dev, + struct ethtool_channels *channel) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + int err; + + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { + netdev_err(dev, "No RSS/TSS support in non MSI-X mode\n"); + return -EINVAL; + } + + if (channel->other_count || channel->combined_count) + return -EINVAL; + + err = qlcnic_validate_ring_count(adapter, channel->rx_count, + channel->tx_count); + if (err) + return err; + + if (adapter->drv_sds_rings != channel->rx_count) { + err = qlcnic_validate_rings(adapter, channel->rx_count, + QLCNIC_RX_QUEUE); + if (err) { + netdev_err(dev, "Unable to configure %u SDS rings\n", + channel->rx_count); + return err; + } + adapter->drv_rss_rings = channel->rx_count; + } + + if (adapter->drv_tx_rings != channel->tx_count) { + err = qlcnic_validate_rings(adapter, channel->tx_count, + QLCNIC_TX_QUEUE); + if (err) { + netdev_err(dev, "Unable to configure %u Tx rings\n", + channel->tx_count); + return err; + } + adapter->drv_tss_rings = channel->tx_count; + } + + adapter->flags |= QLCNIC_TSS_RSS; + + err = qlcnic_setup_rings(adapter); + netdev_info(dev, "Allocated %d SDS rings and %d Tx rings\n", + adapter->drv_sds_rings, adapter->drv_tx_rings); + + return err; +} + +static void +qlcnic_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int port = adapter->ahw->physical_port; + int err = 0; + __u32 val; + + if (qlcnic_83xx_check(adapter)) { + qlcnic_83xx_get_pauseparam(adapter, pause); + return; + } + if (adapter->ahw->port_type == QLCNIC_GBE) { + if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) + return; + /* get flow control settings */ + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return; + pause->rx_pause = qlcnic_gb_get_rx_flowctl(val); + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return; + switch (port) { + case 0: + pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val)); + break; + case 1: + pause->tx_pause = !(qlcnic_gb_get_gb1_mask(val)); + break; + case 2: + pause->tx_pause = !(qlcnic_gb_get_gb2_mask(val)); + break; + case 3: + default: + pause->tx_pause = !(qlcnic_gb_get_gb3_mask(val)); + break; + } + } else if (adapter->ahw->port_type == QLCNIC_XGBE) { + if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) + return; + pause->rx_pause = 1; + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return; + if (port == 0) + pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val)); + else + pause->tx_pause = !(qlcnic_xg_get_xg1_mask(val)); + } else { + dev_err(&netdev->dev, "Unknown board type: %x\n", + adapter->ahw->port_type); + } +} + +static int +qlcnic_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int port = adapter->ahw->physical_port; + int err = 0; + __u32 val; + + if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_set_pauseparam(adapter, pause); + + /* read mode */ + if (adapter->ahw->port_type == QLCNIC_GBE) { + if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) + return -EIO; + /* set flow control */ + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return err; + + if (pause->rx_pause) + qlcnic_gb_rx_flowctl(val); + else + qlcnic_gb_unset_rx_flowctl(val); + + QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), + val); + QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val); + /* set autoneg */ + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return err; + switch (port) { + case 0: + if (pause->tx_pause) + qlcnic_gb_unset_gb0_mask(val); + else + qlcnic_gb_set_gb0_mask(val); + break; + case 1: + if (pause->tx_pause) + qlcnic_gb_unset_gb1_mask(val); + else + qlcnic_gb_set_gb1_mask(val); + break; + case 2: + if (pause->tx_pause) + qlcnic_gb_unset_gb2_mask(val); + else + qlcnic_gb_set_gb2_mask(val); + break; + case 3: + default: + if (pause->tx_pause) + qlcnic_gb_unset_gb3_mask(val); + else + qlcnic_gb_set_gb3_mask(val); + break; + } + QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, val); + } else if (adapter->ahw->port_type == QLCNIC_XGBE) { + if (!pause->rx_pause || pause->autoneg) + return -EOPNOTSUPP; + + if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) + return -EIO; + + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return err; + if (port == 0) { + if (pause->tx_pause) + qlcnic_xg_unset_xg0_mask(val); + else + qlcnic_xg_set_xg0_mask(val); + } else { + if (pause->tx_pause) + qlcnic_xg_unset_xg1_mask(val); + else + qlcnic_xg_set_xg1_mask(val); + } + QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, val); + } else { + dev_err(&netdev->dev, "Unknown board type: %x\n", + adapter->ahw->port_type); + } + return 0; +} + +static int qlcnic_reg_test(struct net_device *dev) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u32 data_read; + int err = 0; + + if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_reg_test(adapter); + + data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err); + if (err == -EIO) + return err; + if ((data_read & 0xffff) != adapter->pdev->vendor) + return 1; + + return 0; +} + +static int qlcnic_eeprom_test(struct net_device *dev) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + + if (qlcnic_82xx_check(adapter)) + return 0; + + return qlcnic_83xx_flash_test(adapter); +} + +static int qlcnic_get_sset_count(struct net_device *dev, int sset) +{ + + struct qlcnic_adapter *adapter = netdev_priv(dev); + switch (sset) { + case ETH_SS_TEST: + return QLCNIC_TEST_LEN; + case ETH_SS_STATS: + return qlcnic_dev_statistics_len(adapter); + default: + return -EOPNOTSUPP; + } +} + +static int qlcnic_irq_test(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + int ret, drv_sds_rings = adapter->drv_sds_rings; + int drv_tx_rings = adapter->drv_tx_rings; + + if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_interrupt_test(netdev); + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EIO; + + ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST); + if (ret) + goto clear_diag_irq; + + ahw->diag_cnt = 0; + ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); + if (ret) + goto free_diag_res; + + cmd.req.arg[1] = ahw->pci_func; + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) + goto done; + + usleep_range(1000, 12000); + ret = !ahw->diag_cnt; + +done: + qlcnic_free_mbx_args(&cmd); + +free_diag_res: + qlcnic_diag_free_res(netdev, drv_sds_rings); + +clear_diag_irq: + adapter->drv_sds_rings = drv_sds_rings; + adapter->drv_tx_rings = drv_tx_rings; + clear_bit(__QLCNIC_RESETTING, &adapter->state); + + return ret; +} + +#define QLCNIC_ILB_PKT_SIZE 64 +#define QLCNIC_NUM_ILB_PKT 16 +#define QLCNIC_ILB_MAX_RCV_LOOP 10 +#define QLCNIC_LB_PKT_POLL_DELAY_MSEC 1 +#define QLCNIC_LB_PKT_POLL_COUNT 20 + +static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[]) +{ + unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00}; + + memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE); + + memcpy(data, mac, ETH_ALEN); + memcpy(data + ETH_ALEN, mac, ETH_ALEN); + + memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data)); +} + +int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]) +{ + unsigned char buff[QLCNIC_ILB_PKT_SIZE]; + qlcnic_create_loopback_buff(buff, mac); + return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE); +} + +int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0]; + struct sk_buff *skb; + int i, loop, cnt = 0; + + for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) { + skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE); + if (!skb) + goto error; + qlcnic_create_loopback_buff(skb->data, adapter->mac_addr); + skb_put(skb, QLCNIC_ILB_PKT_SIZE); + adapter->ahw->diag_cnt = 0; + qlcnic_xmit_frame(skb, adapter->netdev); + loop = 0; + + do { + msleep(QLCNIC_LB_PKT_POLL_DELAY_MSEC); + qlcnic_process_rcv_ring_diag(sds_ring); + if (loop++ > QLCNIC_LB_PKT_POLL_COUNT) + break; + } while (!adapter->ahw->diag_cnt); + + dev_kfree_skb_any(skb); + + if (!adapter->ahw->diag_cnt) + dev_warn(&adapter->pdev->dev, + "LB Test: packet #%d was not received\n", + i + 1); + else + cnt++; + } + if (cnt != i) { +error: + dev_err(&adapter->pdev->dev, + "LB Test: failed, TX[%d], RX[%d]\n", i, cnt); + if (mode != QLCNIC_ILB_MODE) + dev_warn(&adapter->pdev->dev, + "WARNING: Please check loopback cable\n"); + return -1; + } + return 0; +} + +static int qlcnic_loopback_test(struct net_device *netdev, u8 mode) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int drv_tx_rings = adapter->drv_tx_rings; + int drv_sds_rings = adapter->drv_sds_rings; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_hardware_context *ahw = adapter->ahw; + int loop = 0; + int ret; + + if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_loopback_test(netdev, mode); + + if (!(ahw->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) { + dev_info(&adapter->pdev->dev, + "Firmware do not support loopback test\n"); + return -EOPNOTSUPP; + } + + dev_warn(&adapter->pdev->dev, "%s loopback test in progress\n", + mode == QLCNIC_ILB_MODE ? "internal" : "external"); + if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + dev_warn(&adapter->pdev->dev, + "Loopback test not supported in nonprivileged mode\n"); + return 0; + } + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST); + if (ret) + goto clear_it; + + sds_ring = &adapter->recv_ctx->sds_rings[0]; + ret = qlcnic_set_lb_mode(adapter, mode); + if (ret) + goto free_res; + + ahw->diag_cnt = 0; + do { + msleep(500); + qlcnic_process_rcv_ring_diag(sds_ring); + if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) { + netdev_info(netdev, + "Firmware didn't sent link up event to loopback request\n"); + ret = -ETIMEDOUT; + goto free_res; + } else if (adapter->ahw->diag_cnt) { + ret = adapter->ahw->diag_cnt; + goto free_res; + } + } while (!QLCNIC_IS_LB_CONFIGURED(ahw->loopback_state)); + + ret = qlcnic_do_lb_test(adapter, mode); + + qlcnic_clear_lb_mode(adapter, mode); + + free_res: + qlcnic_diag_free_res(netdev, drv_sds_rings); + + clear_it: + adapter->drv_sds_rings = drv_sds_rings; + adapter->drv_tx_rings = drv_tx_rings; + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return ret; +} + +static void +qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, + u64 *data) +{ + memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN); + + data[0] = qlcnic_reg_test(dev); + if (data[0]) + eth_test->flags |= ETH_TEST_FL_FAILED; + + data[1] = (u64) qlcnic_test_link(dev); + if (data[1]) + eth_test->flags |= ETH_TEST_FL_FAILED; + + if (eth_test->flags & ETH_TEST_FL_OFFLINE) { + data[2] = qlcnic_irq_test(dev); + if (data[2]) + eth_test->flags |= ETH_TEST_FL_FAILED; + + data[3] = qlcnic_loopback_test(dev, QLCNIC_ILB_MODE); + if (data[3]) + eth_test->flags |= ETH_TEST_FL_FAILED; + + if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) { + data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE); + if (data[4]) + eth_test->flags |= ETH_TEST_FL_FAILED; + eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; + } + + data[5] = qlcnic_eeprom_test(dev); + if (data[5]) + eth_test->flags |= ETH_TEST_FL_FAILED; + } +} + +static void +qlcnic_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + int index, i, num_stats; + + switch (stringset) { + case ETH_SS_TEST: + memcpy(data, *qlcnic_gstrings_test, + QLCNIC_TEST_LEN * ETH_GSTRING_LEN); + break; + case ETH_SS_STATS: + num_stats = ARRAY_SIZE(qlcnic_tx_queue_stats_strings); + for (i = 0; i < adapter->drv_tx_rings; i++) { + for (index = 0; index < num_stats; index++) { + sprintf(data, "tx_queue_%d %s", i, + qlcnic_tx_queue_stats_strings[index]); + data += ETH_GSTRING_LEN; + } + } + + for (index = 0; index < QLCNIC_STATS_LEN; index++) { + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_gstrings_stats[index].stat_string, + ETH_GSTRING_LEN); + } + + if (qlcnic_83xx_check(adapter)) { + num_stats = ARRAY_SIZE(qlcnic_83xx_tx_stats_strings); + for (i = 0; i < num_stats; i++, index++) + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_83xx_tx_stats_strings[i], + ETH_GSTRING_LEN); + num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings); + for (i = 0; i < num_stats; i++, index++) + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_83xx_mac_stats_strings[i], + ETH_GSTRING_LEN); + num_stats = ARRAY_SIZE(qlcnic_83xx_rx_stats_strings); + for (i = 0; i < num_stats; i++, index++) + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_83xx_rx_stats_strings[i], + ETH_GSTRING_LEN); + return; + } else { + num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings); + for (i = 0; i < num_stats; i++, index++) + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_83xx_mac_stats_strings[i], + ETH_GSTRING_LEN); + } + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return; + num_stats = ARRAY_SIZE(qlcnic_device_gstrings_stats); + for (i = 0; i < num_stats; index++, i++) { + memcpy(data + index * ETH_GSTRING_LEN, + qlcnic_device_gstrings_stats[i], + ETH_GSTRING_LEN); + } + } +} + +static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type) +{ + if (type == QLCNIC_MAC_STATS) { + struct qlcnic_mac_statistics *mac_stats = + (struct qlcnic_mac_statistics *)stats; + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_frames); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bytes); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_mcast_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bcast_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_pause_cnt); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_ctrl_pkt); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_64b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_127b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_255b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_511b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1023b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1518b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_gt_1518b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_frames); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bytes); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_mcast_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bcast_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_pause_cnt); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_ctrl_pkt); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_64b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_127b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_255b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_511b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1023b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1518b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_gt_1518b_pkts); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_error); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_small); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_large); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_jabber); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_dropped); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_crc_error); + *data++ = QLCNIC_FILL_STATS(mac_stats->mac_align_error); + } else if (type == QLCNIC_ESW_STATS) { + struct __qlcnic_esw_statistics *esw_stats = + (struct __qlcnic_esw_statistics *)stats; + *data++ = QLCNIC_FILL_STATS(esw_stats->unicast_frames); + *data++ = QLCNIC_FILL_STATS(esw_stats->multicast_frames); + *data++ = QLCNIC_FILL_STATS(esw_stats->broadcast_frames); + *data++ = QLCNIC_FILL_STATS(esw_stats->dropped_frames); + *data++ = QLCNIC_FILL_STATS(esw_stats->errors); + *data++ = QLCNIC_FILL_STATS(esw_stats->local_frames); + *data++ = QLCNIC_FILL_STATS(esw_stats->numbytes); + } + return data; +} + +void qlcnic_update_stats(struct qlcnic_adapter *adapter) +{ + struct qlcnic_tx_queue_stats tx_stats; + struct qlcnic_host_tx_ring *tx_ring; + int ring; + + memset(&tx_stats, 0, sizeof(tx_stats)); + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + tx_stats.xmit_on += tx_ring->tx_stats.xmit_on; + tx_stats.xmit_off += tx_ring->tx_stats.xmit_off; + tx_stats.xmit_called += tx_ring->tx_stats.xmit_called; + tx_stats.xmit_finished += tx_ring->tx_stats.xmit_finished; + tx_stats.tx_bytes += tx_ring->tx_stats.tx_bytes; + } + + adapter->stats.xmit_on = tx_stats.xmit_on; + adapter->stats.xmit_off = tx_stats.xmit_off; + adapter->stats.xmitcalled = tx_stats.xmit_called; + adapter->stats.xmitfinished = tx_stats.xmit_finished; + adapter->stats.txbytes = tx_stats.tx_bytes; +} + +static u64 *qlcnic_fill_tx_queue_stats(u64 *data, void *stats) +{ + struct qlcnic_host_tx_ring *tx_ring; + + tx_ring = (struct qlcnic_host_tx_ring *)stats; + + *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_on); + *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_off); + *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_called); + *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_finished); + *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.tx_bytes); + + return data; +} + +static void qlcnic_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_esw_statistics port_stats; + struct qlcnic_mac_statistics mac_stats; + int index, ret, length, size, ring; + char *p; + + memset(data, 0, stats->n_stats * sizeof(u64)); + + for (ring = 0, index = 0; ring < adapter->drv_tx_rings; ring++) { + if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { + tx_ring = &adapter->tx_ring[ring]; + data = qlcnic_fill_tx_queue_stats(data, tx_ring); + qlcnic_update_stats(adapter); + } else { + data += QLCNIC_TX_STATS_LEN; + } + } + + length = QLCNIC_STATS_LEN; + for (index = 0; index < length; index++) { + p = (char *)adapter + qlcnic_gstrings_stats[index].stat_offset; + size = qlcnic_gstrings_stats[index].sizeof_stat; + *data++ = (size == sizeof(u64)) ? (*(u64 *)p) : ((*(u32 *)p)); + } + + if (qlcnic_83xx_check(adapter)) { + if (adapter->ahw->linkup) + qlcnic_83xx_get_stats(adapter, data); + return; + } else { + /* Retrieve MAC statistics from firmware */ + memset(&mac_stats, 0, sizeof(struct qlcnic_mac_statistics)); + qlcnic_get_mac_stats(adapter, &mac_stats); + data = qlcnic_fill_stats(data, &mac_stats, QLCNIC_MAC_STATS); + } + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return; + + memset(&port_stats, 0, sizeof(struct qlcnic_esw_statistics)); + ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func, + QLCNIC_QUERY_RX_COUNTER, &port_stats.rx); + if (ret) + return; + + data = qlcnic_fill_stats(data, &port_stats.rx, QLCNIC_ESW_STATS); + ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func, + QLCNIC_QUERY_TX_COUNTER, &port_stats.tx); + if (ret) + return; + + qlcnic_fill_stats(data, &port_stats.tx, QLCNIC_ESW_STATS); +} + +static int qlcnic_set_led(struct net_device *dev, + enum ethtool_phys_id_state state) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + int drv_sds_rings = adapter->drv_sds_rings; + int err = -EIO, active = 1; + + if (qlcnic_83xx_check(adapter)) + return qlcnic_83xx_set_led(dev, state); + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + netdev_warn(dev, "LED test not supported for non " + "privilege function\n"); + return -EOPNOTSUPP; + } + + switch (state) { + case ETHTOOL_ID_ACTIVE: + if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) + return -EBUSY; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + break; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST)) + break; + set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state); + } + + if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) { + err = 0; + break; + } + + dev_err(&adapter->pdev->dev, + "Failed to set LED blink state.\n"); + break; + + case ETHTOOL_ID_INACTIVE: + active = 0; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + break; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST)) + break; + set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state); + } + + if (adapter->nic_ops->config_led(adapter, 0, 0xf)) + dev_err(&adapter->pdev->dev, + "Failed to reset LED blink state.\n"); + + break; + + default: + return -EINVAL; + } + + if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state)) + qlcnic_diag_free_res(dev, drv_sds_rings); + + if (!active || err) + clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); + + return err; +} + +static void +qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u32 wol_cfg; + int err = 0; + + if (qlcnic_83xx_check(adapter)) + return; + wol->supported = 0; + wol->wolopts = 0; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return; + if (wol_cfg & (1UL << adapter->portnum)) + wol->supported |= WAKE_MAGIC; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (wol_cfg & (1UL << adapter->portnum)) + wol->wolopts |= WAKE_MAGIC; +} + +static int +qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + u32 wol_cfg; + int err = 0; + + if (qlcnic_83xx_check(adapter)) + return -EOPNOTSUPP; + if (wol->wolopts & ~WAKE_MAGIC) + return -EINVAL; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return err; + if (!(wol_cfg & (1 << adapter->portnum))) + return -EOPNOTSUPP; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; + if (wol->wolopts & WAKE_MAGIC) + wol_cfg |= 1UL << adapter->portnum; + else + wol_cfg &= ~(1UL << adapter->portnum); + + QLCWR32(adapter, QLCNIC_WOL_CONFIG, wol_cfg); + + return 0; +} + +/* + * Set the coalescing parameters. Currently only normal is supported. + * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the + * firmware coalescing to default. + */ +static int qlcnic_set_intr_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) + return -EINVAL; + + /* + * Return Error if unsupported values or + * unsupported parameters are set. + */ + if (ethcoal->rx_coalesce_usecs > 0xffff || + ethcoal->rx_max_coalesced_frames > 0xffff || + ethcoal->tx_coalesce_usecs > 0xffff || + ethcoal->tx_max_coalesced_frames > 0xffff) + return -EINVAL; + + err = qlcnic_config_intr_coalesce(adapter, ethcoal); + + return err; +} + +static int qlcnic_get_intr_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return -EINVAL; + + ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us; + ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets; + ethcoal->tx_coalesce_usecs = adapter->ahw->coal.tx_time_us; + ethcoal->tx_max_coalesced_frames = adapter->ahw->coal.tx_packets; + + return 0; +} + +static u32 qlcnic_get_msglevel(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + return adapter->ahw->msg_enable; +} + +static void qlcnic_set_msglevel(struct net_device *netdev, u32 msglvl) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + adapter->ahw->msg_enable = msglvl; +} + +int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + u32 val; + + if (qlcnic_84xx_check(adapter)) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val &= ~QLC_83XX_IDC_DISABLE_FW_DUMP; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + + qlcnic_83xx_unlock_driver(adapter); + } else { + fw_dump->enable = true; + } + + dev_info(&adapter->pdev->dev, "FW dump enabled\n"); + + return 0; +} + +static int qlcnic_disable_fw_dump_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + u32 val; + + if (qlcnic_84xx_check(adapter)) { + if (qlcnic_83xx_lock_driver(adapter)) + return -EBUSY; + + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + val |= QLC_83XX_IDC_DISABLE_FW_DUMP; + QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); + + qlcnic_83xx_unlock_driver(adapter); + } else { + fw_dump->enable = false; + } + + dev_info(&adapter->pdev->dev, "FW dump disabled\n"); + + return 0; +} + +bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + bool state; + u32 val; + + if (qlcnic_84xx_check(adapter)) { + val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); + state = (val & QLC_83XX_IDC_DISABLE_FW_DUMP) ? false : true; + } else { + state = fw_dump->enable; + } + + return state; +} + +static int +qlcnic_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + + if (!fw_dump->tmpl_hdr) { + netdev_err(adapter->netdev, "FW Dump not supported\n"); + return -ENOTSUPP; + } + + if (fw_dump->clr) + dump->len = fw_dump->tmpl_hdr_size + fw_dump->size; + else + dump->len = 0; + + if (!qlcnic_check_fw_dump_state(adapter)) + dump->flag = ETH_FW_DUMP_DISABLE; + else + dump->flag = fw_dump->cap_mask; + + dump->version = adapter->fw_version; + return 0; +} + +static int +qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, + void *buffer) +{ + int i, copy_sz; + u32 *hdr_ptr; + __le32 *data; + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + + if (!fw_dump->tmpl_hdr) { + netdev_err(netdev, "FW Dump not supported\n"); + return -ENOTSUPP; + } + + if (!fw_dump->clr) { + netdev_info(netdev, "Dump not available\n"); + return -EINVAL; + } + + /* Copy template header first */ + copy_sz = fw_dump->tmpl_hdr_size; + hdr_ptr = (u32 *)fw_dump->tmpl_hdr; + data = buffer; + for (i = 0; i < copy_sz/sizeof(u32); i++) + *data++ = cpu_to_le32(*hdr_ptr++); + + /* Copy captured dump data */ + memcpy(buffer + copy_sz, fw_dump->data, fw_dump->size); + dump->len = copy_sz + fw_dump->size; + dump->flag = fw_dump->cap_mask; + + /* Free dump area once data has been captured */ + vfree(fw_dump->data); + fw_dump->data = NULL; + fw_dump->clr = 0; + netdev_info(netdev, "extracted the FW dump Successfully\n"); + return 0; +} + +static int qlcnic_set_dump_mask(struct qlcnic_adapter *adapter, u32 mask) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + struct net_device *netdev = adapter->netdev; + + if (!qlcnic_check_fw_dump_state(adapter)) { + netdev_info(netdev, + "Can not change driver mask to 0x%x. FW dump not enabled\n", + mask); + return -EOPNOTSUPP; + } + + fw_dump->cap_mask = mask; + + /* Store new capture mask in template header as well*/ + qlcnic_store_cap_mask(adapter, fw_dump->tmpl_hdr, mask); + + netdev_info(netdev, "Driver mask changed to: 0x%x\n", mask); + return 0; +} + +static int +qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + bool valid_mask = false; + int i, ret = 0; + + switch (val->flag) { + case QLCNIC_FORCE_FW_DUMP_KEY: + if (!fw_dump->tmpl_hdr) { + netdev_err(netdev, "FW dump not supported\n"); + ret = -EOPNOTSUPP; + break; + } + + if (!qlcnic_check_fw_dump_state(adapter)) { + netdev_info(netdev, "FW dump not enabled\n"); + ret = -EOPNOTSUPP; + break; + } + + if (fw_dump->clr) { + netdev_info(netdev, + "Previous dump not cleared, not forcing dump\n"); + break; + } + + netdev_info(netdev, "Forcing a FW dump\n"); + qlcnic_dev_request_reset(adapter, val->flag); + break; + case QLCNIC_DISABLE_FW_DUMP: + if (!fw_dump->tmpl_hdr) { + netdev_err(netdev, "FW dump not supported\n"); + ret = -EOPNOTSUPP; + break; + } + + ret = qlcnic_disable_fw_dump_state(adapter); + break; + + case QLCNIC_ENABLE_FW_DUMP: + if (!fw_dump->tmpl_hdr) { + netdev_err(netdev, "FW dump not supported\n"); + ret = -EOPNOTSUPP; + break; + } + + ret = qlcnic_enable_fw_dump_state(adapter); + break; + + case QLCNIC_FORCE_FW_RESET: + netdev_info(netdev, "Forcing a FW reset\n"); + qlcnic_dev_request_reset(adapter, val->flag); + adapter->flags &= ~QLCNIC_FW_RESET_OWNER; + break; + + case QLCNIC_SET_QUIESCENT: + case QLCNIC_RESET_QUIESCENT: + if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) + netdev_info(netdev, "Device is in non-operational state\n"); + break; + + default: + if (!fw_dump->tmpl_hdr) { + netdev_err(netdev, "FW dump not supported\n"); + ret = -EOPNOTSUPP; + break; + } + + for (i = 0; i < ARRAY_SIZE(qlcnic_fw_dump_level); i++) { + if (val->flag == qlcnic_fw_dump_level[i]) { + valid_mask = true; + break; + } + } + + if (valid_mask) { + ret = qlcnic_set_dump_mask(adapter, val->flag); + } else { + netdev_info(netdev, "Invalid dump level: 0x%x\n", + val->flag); + ret = -EINVAL; + } + } + return ret; +} + +const struct ethtool_ops qlcnic_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, + .get_drvinfo = qlcnic_get_drvinfo, + .get_regs_len = qlcnic_get_regs_len, + .get_regs = qlcnic_get_regs, + .get_link = ethtool_op_get_link, + .get_eeprom_len = qlcnic_get_eeprom_len, + .get_eeprom = qlcnic_get_eeprom, + .get_ringparam = qlcnic_get_ringparam, + .set_ringparam = qlcnic_set_ringparam, + .get_channels = qlcnic_get_channels, + .set_channels = qlcnic_set_channels, + .get_pauseparam = qlcnic_get_pauseparam, + .set_pauseparam = qlcnic_set_pauseparam, + .get_wol = qlcnic_get_wol, + .set_wol = qlcnic_set_wol, + .self_test = qlcnic_diag_test, + .get_strings = qlcnic_get_strings, + .get_ethtool_stats = qlcnic_get_ethtool_stats, + .get_sset_count = qlcnic_get_sset_count, + .get_coalesce = qlcnic_get_intr_coalesce, + .set_coalesce = qlcnic_set_intr_coalesce, + .set_phys_id = qlcnic_set_led, + .set_msglevel = qlcnic_set_msglevel, + .get_msglevel = qlcnic_get_msglevel, + .get_dump_flag = qlcnic_get_dump_flag, + .get_dump_data = qlcnic_get_dump_data, + .set_dump = qlcnic_set_dump, + .get_link_ksettings = qlcnic_get_link_ksettings, + .set_link_ksettings = qlcnic_set_link_ksettings, +}; + +const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, + .get_drvinfo = qlcnic_get_drvinfo, + .get_regs_len = qlcnic_get_regs_len, + .get_regs = qlcnic_get_regs, + .get_link = ethtool_op_get_link, + .get_eeprom_len = qlcnic_get_eeprom_len, + .get_eeprom = qlcnic_get_eeprom, + .get_ringparam = qlcnic_get_ringparam, + .set_ringparam = qlcnic_set_ringparam, + .get_channels = qlcnic_get_channels, + .get_pauseparam = qlcnic_get_pauseparam, + .get_wol = qlcnic_get_wol, + .get_strings = qlcnic_get_strings, + .get_ethtool_stats = qlcnic_get_ethtool_stats, + .get_sset_count = qlcnic_get_sset_count, + .get_coalesce = qlcnic_get_intr_coalesce, + .set_coalesce = qlcnic_set_intr_coalesce, + .set_msglevel = qlcnic_set_msglevel, + .get_msglevel = qlcnic_get_msglevel, + .get_link_ksettings = qlcnic_get_link_ksettings, +}; + +const struct ethtool_ops qlcnic_ethtool_failed_ops = { + .get_drvinfo = qlcnic_get_drvinfo, + .set_msglevel = qlcnic_set_msglevel, + .get_msglevel = qlcnic_get_msglevel, + .set_dump = qlcnic_set_dump, + .get_link_ksettings = qlcnic_get_link_ksettings, +}; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h new file mode 100644 index 000000000..83a586d6f --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h @@ -0,0 +1,947 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef __QLCNIC_HDR_H_ +#define __QLCNIC_HDR_H_ + +#include <linux/kernel.h> +#include <linux/types.h> + +#include "qlcnic_hw.h" + +/* + * The basic unit of access when reading/writing control registers. + */ + +enum { + QLCNIC_HW_H0_CH_HUB_ADR = 0x05, + QLCNIC_HW_H1_CH_HUB_ADR = 0x0E, + QLCNIC_HW_H2_CH_HUB_ADR = 0x03, + QLCNIC_HW_H3_CH_HUB_ADR = 0x01, + QLCNIC_HW_H4_CH_HUB_ADR = 0x06, + QLCNIC_HW_H5_CH_HUB_ADR = 0x07, + QLCNIC_HW_H6_CH_HUB_ADR = 0x08 +}; + +/* Hub 0 */ +enum { + QLCNIC_HW_MN_CRB_AGT_ADR = 0x15, + QLCNIC_HW_MS_CRB_AGT_ADR = 0x25 +}; + +/* Hub 1 */ +enum { + QLCNIC_HW_PS_CRB_AGT_ADR = 0x73, + QLCNIC_HW_SS_CRB_AGT_ADR = 0x20, + QLCNIC_HW_RPMX3_CRB_AGT_ADR = 0x0b, + QLCNIC_HW_QMS_CRB_AGT_ADR = 0x00, + QLCNIC_HW_SQGS0_CRB_AGT_ADR = 0x01, + QLCNIC_HW_SQGS1_CRB_AGT_ADR = 0x02, + QLCNIC_HW_SQGS2_CRB_AGT_ADR = 0x03, + QLCNIC_HW_SQGS3_CRB_AGT_ADR = 0x04, + QLCNIC_HW_C2C0_CRB_AGT_ADR = 0x58, + QLCNIC_HW_C2C1_CRB_AGT_ADR = 0x59, + QLCNIC_HW_C2C2_CRB_AGT_ADR = 0x5a, + QLCNIC_HW_RPMX2_CRB_AGT_ADR = 0x0a, + QLCNIC_HW_RPMX4_CRB_AGT_ADR = 0x0c, + QLCNIC_HW_RPMX7_CRB_AGT_ADR = 0x0f, + QLCNIC_HW_RPMX9_CRB_AGT_ADR = 0x12, + QLCNIC_HW_SMB_CRB_AGT_ADR = 0x18 +}; + +/* Hub 2 */ +enum { + QLCNIC_HW_NIU_CRB_AGT_ADR = 0x31, + QLCNIC_HW_I2C0_CRB_AGT_ADR = 0x19, + QLCNIC_HW_I2C1_CRB_AGT_ADR = 0x29, + + QLCNIC_HW_SN_CRB_AGT_ADR = 0x10, + QLCNIC_HW_I2Q_CRB_AGT_ADR = 0x20, + QLCNIC_HW_LPC_CRB_AGT_ADR = 0x22, + QLCNIC_HW_ROMUSB_CRB_AGT_ADR = 0x21, + QLCNIC_HW_QM_CRB_AGT_ADR = 0x66, + QLCNIC_HW_SQG0_CRB_AGT_ADR = 0x60, + QLCNIC_HW_SQG1_CRB_AGT_ADR = 0x61, + QLCNIC_HW_SQG2_CRB_AGT_ADR = 0x62, + QLCNIC_HW_SQG3_CRB_AGT_ADR = 0x63, + QLCNIC_HW_RPMX1_CRB_AGT_ADR = 0x09, + QLCNIC_HW_RPMX5_CRB_AGT_ADR = 0x0d, + QLCNIC_HW_RPMX6_CRB_AGT_ADR = 0x0e, + QLCNIC_HW_RPMX8_CRB_AGT_ADR = 0x11 +}; + +/* Hub 3 */ +enum { + QLCNIC_HW_PH_CRB_AGT_ADR = 0x1A, + QLCNIC_HW_SRE_CRB_AGT_ADR = 0x50, + QLCNIC_HW_EG_CRB_AGT_ADR = 0x51, + QLCNIC_HW_RPMX0_CRB_AGT_ADR = 0x08 +}; + +/* Hub 4 */ +enum { + QLCNIC_HW_PEGN0_CRB_AGT_ADR = 0x40, + QLCNIC_HW_PEGN1_CRB_AGT_ADR, + QLCNIC_HW_PEGN2_CRB_AGT_ADR, + QLCNIC_HW_PEGN3_CRB_AGT_ADR, + QLCNIC_HW_PEGNI_CRB_AGT_ADR, + QLCNIC_HW_PEGND_CRB_AGT_ADR, + QLCNIC_HW_PEGNC_CRB_AGT_ADR, + QLCNIC_HW_PEGR0_CRB_AGT_ADR, + QLCNIC_HW_PEGR1_CRB_AGT_ADR, + QLCNIC_HW_PEGR2_CRB_AGT_ADR, + QLCNIC_HW_PEGR3_CRB_AGT_ADR, + QLCNIC_HW_PEGN4_CRB_AGT_ADR +}; + +/* Hub 5 */ +enum { + QLCNIC_HW_PEGS0_CRB_AGT_ADR = 0x40, + QLCNIC_HW_PEGS1_CRB_AGT_ADR, + QLCNIC_HW_PEGS2_CRB_AGT_ADR, + QLCNIC_HW_PEGS3_CRB_AGT_ADR, + QLCNIC_HW_PEGSI_CRB_AGT_ADR, + QLCNIC_HW_PEGSD_CRB_AGT_ADR, + QLCNIC_HW_PEGSC_CRB_AGT_ADR +}; + +/* Hub 6 */ +enum { + QLCNIC_HW_CAS0_CRB_AGT_ADR = 0x46, + QLCNIC_HW_CAS1_CRB_AGT_ADR = 0x47, + QLCNIC_HW_CAS2_CRB_AGT_ADR = 0x48, + QLCNIC_HW_CAS3_CRB_AGT_ADR = 0x49, + QLCNIC_HW_NCM_CRB_AGT_ADR = 0x16, + QLCNIC_HW_TMR_CRB_AGT_ADR = 0x17, + QLCNIC_HW_XDMA_CRB_AGT_ADR = 0x05, + QLCNIC_HW_OCM0_CRB_AGT_ADR = 0x06, + QLCNIC_HW_OCM1_CRB_AGT_ADR = 0x07 +}; + +/* Floaters - non existent modules */ +#define QLCNIC_HW_EFC_RPMX0_CRB_AGT_ADR 0x67 + +/* This field defines PCI/X adr [25:20] of agents on the CRB */ +enum { + QLCNIC_HW_PX_MAP_CRB_PH = 0, + QLCNIC_HW_PX_MAP_CRB_PS, + QLCNIC_HW_PX_MAP_CRB_MN, + QLCNIC_HW_PX_MAP_CRB_MS, + QLCNIC_HW_PX_MAP_CRB_PGR1, + QLCNIC_HW_PX_MAP_CRB_SRE, + QLCNIC_HW_PX_MAP_CRB_NIU, + QLCNIC_HW_PX_MAP_CRB_QMN, + QLCNIC_HW_PX_MAP_CRB_SQN0, + QLCNIC_HW_PX_MAP_CRB_SQN1, + QLCNIC_HW_PX_MAP_CRB_SQN2, + QLCNIC_HW_PX_MAP_CRB_SQN3, + QLCNIC_HW_PX_MAP_CRB_QMS, + QLCNIC_HW_PX_MAP_CRB_SQS0, + QLCNIC_HW_PX_MAP_CRB_SQS1, + QLCNIC_HW_PX_MAP_CRB_SQS2, + QLCNIC_HW_PX_MAP_CRB_SQS3, + QLCNIC_HW_PX_MAP_CRB_PGN0, + QLCNIC_HW_PX_MAP_CRB_PGN1, + QLCNIC_HW_PX_MAP_CRB_PGN2, + QLCNIC_HW_PX_MAP_CRB_PGN3, + QLCNIC_HW_PX_MAP_CRB_PGND, + QLCNIC_HW_PX_MAP_CRB_PGNI, + QLCNIC_HW_PX_MAP_CRB_PGS0, + QLCNIC_HW_PX_MAP_CRB_PGS1, + QLCNIC_HW_PX_MAP_CRB_PGS2, + QLCNIC_HW_PX_MAP_CRB_PGS3, + QLCNIC_HW_PX_MAP_CRB_PGSD, + QLCNIC_HW_PX_MAP_CRB_PGSI, + QLCNIC_HW_PX_MAP_CRB_SN, + QLCNIC_HW_PX_MAP_CRB_PGR2, + QLCNIC_HW_PX_MAP_CRB_EG, + QLCNIC_HW_PX_MAP_CRB_PH2, + QLCNIC_HW_PX_MAP_CRB_PS2, + QLCNIC_HW_PX_MAP_CRB_CAM, + QLCNIC_HW_PX_MAP_CRB_CAS0, + QLCNIC_HW_PX_MAP_CRB_CAS1, + QLCNIC_HW_PX_MAP_CRB_CAS2, + QLCNIC_HW_PX_MAP_CRB_C2C0, + QLCNIC_HW_PX_MAP_CRB_C2C1, + QLCNIC_HW_PX_MAP_CRB_TIMR, + QLCNIC_HW_PX_MAP_CRB_PGR3, + QLCNIC_HW_PX_MAP_CRB_RPMX1, + QLCNIC_HW_PX_MAP_CRB_RPMX2, + QLCNIC_HW_PX_MAP_CRB_RPMX3, + QLCNIC_HW_PX_MAP_CRB_RPMX4, + QLCNIC_HW_PX_MAP_CRB_RPMX5, + QLCNIC_HW_PX_MAP_CRB_RPMX6, + QLCNIC_HW_PX_MAP_CRB_RPMX7, + QLCNIC_HW_PX_MAP_CRB_XDMA, + QLCNIC_HW_PX_MAP_CRB_I2Q, + QLCNIC_HW_PX_MAP_CRB_ROMUSB, + QLCNIC_HW_PX_MAP_CRB_CAS3, + QLCNIC_HW_PX_MAP_CRB_RPMX0, + QLCNIC_HW_PX_MAP_CRB_RPMX8, + QLCNIC_HW_PX_MAP_CRB_RPMX9, + QLCNIC_HW_PX_MAP_CRB_OCM0, + QLCNIC_HW_PX_MAP_CRB_OCM1, + QLCNIC_HW_PX_MAP_CRB_SMB, + QLCNIC_HW_PX_MAP_CRB_I2C0, + QLCNIC_HW_PX_MAP_CRB_I2C1, + QLCNIC_HW_PX_MAP_CRB_LPC, + QLCNIC_HW_PX_MAP_CRB_PGNC, + QLCNIC_HW_PX_MAP_CRB_PGR0 +}; + +#define BIT_0 0x1 +#define BIT_1 0x2 +#define BIT_2 0x4 +#define BIT_3 0x8 +#define BIT_4 0x10 +#define BIT_5 0x20 +#define BIT_6 0x40 +#define BIT_7 0x80 +#define BIT_8 0x100 +#define BIT_9 0x200 +#define BIT_10 0x400 +#define BIT_11 0x800 +#define BIT_12 0x1000 +#define BIT_13 0x2000 +#define BIT_14 0x4000 +#define BIT_15 0x8000 +#define BIT_16 0x10000 +#define BIT_17 0x20000 +#define BIT_18 0x40000 +#define BIT_19 0x80000 +#define BIT_20 0x100000 +#define BIT_21 0x200000 +#define BIT_22 0x400000 +#define BIT_23 0x800000 +#define BIT_24 0x1000000 +#define BIT_25 0x2000000 +#define BIT_26 0x4000000 +#define BIT_27 0x8000000 +#define BIT_28 0x10000000 +#define BIT_29 0x20000000 +#define BIT_30 0x40000000 +#define BIT_31 0x80000000 + +/* This field defines CRB adr [31:20] of the agents */ + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_MN \ + ((QLCNIC_HW_H0_CH_HUB_ADR << 7) | QLCNIC_HW_MN_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PH \ + ((QLCNIC_HW_H0_CH_HUB_ADR << 7) | QLCNIC_HW_PH_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_MS \ + ((QLCNIC_HW_H0_CH_HUB_ADR << 7) | QLCNIC_HW_MS_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PS \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_PS_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SS \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SS_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX3_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_QMS \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_QMS_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQS0 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SQGS0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQS1 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SQGS1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQS2 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SQGS2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQS3 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SQGS3_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_C2C0 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_C2C0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_C2C1 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_C2C1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX4_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX7_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9 \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX9_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SMB \ + ((QLCNIC_HW_H1_CH_HUB_ADR << 7) | QLCNIC_HW_SMB_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_NIU \ + ((QLCNIC_HW_H2_CH_HUB_ADR << 7) | QLCNIC_HW_NIU_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0 \ + ((QLCNIC_HW_H2_CH_HUB_ADR << 7) | QLCNIC_HW_I2C0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1 \ + ((QLCNIC_HW_H2_CH_HUB_ADR << 7) | QLCNIC_HW_I2C1_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SRE \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_SRE_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_EG \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_EG_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_QMN \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_QM_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_SQG0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_SQG1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_SQG2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_SQG3_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX5_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX6_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_RPMX8_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_CAS0 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_CAS0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_CAS1 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_CAS1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_CAS2 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_CAS2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_CAS3 \ + ((QLCNIC_HW_H3_CH_HUB_ADR << 7) | QLCNIC_HW_CAS3_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGNI_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGND \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGND_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGN0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGN1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGN2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGN3_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGN4_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGNC_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGR0 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGR0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGR1 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGR1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGR2 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGR2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGR3 \ + ((QLCNIC_HW_H4_CH_HUB_ADR << 7) | QLCNIC_HW_PEGR3_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGSI_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGSD \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGSD_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0 \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGS0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1 \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGS1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2 \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGS2_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3 \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGS3_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_PGSC \ + ((QLCNIC_HW_H5_CH_HUB_ADR << 7) | QLCNIC_HW_PEGSC_CRB_AGT_ADR) + +#define QLCNIC_HW_CRB_HUB_AGT_ADR_CAM \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_NCM_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_TMR_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_XDMA_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_SN \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_SN_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_I2Q_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_ROMUSB_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0 \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_OCM0_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_OCM1 \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_OCM1_CRB_AGT_ADR) +#define QLCNIC_HW_CRB_HUB_AGT_ADR_LPC \ + ((QLCNIC_HW_H6_CH_HUB_ADR << 7) | QLCNIC_HW_LPC_CRB_AGT_ADR) + +#define QLCNIC_SRE_MISC (QLCNIC_CRB_SRE + 0x0002c) + +#define QLCNIC_I2Q_CLR_PCI_HI (QLCNIC_CRB_I2Q + 0x00034) + +#define ROMUSB_GLB (QLCNIC_CRB_ROMUSB + 0x00000) +#define ROMUSB_ROM (QLCNIC_CRB_ROMUSB + 0x10000) + +#define QLCNIC_ROMUSB_GLB_STATUS (ROMUSB_GLB + 0x0004) +#define QLCNIC_ROMUSB_GLB_SW_RESET (ROMUSB_GLB + 0x0008) +#define QLCNIC_ROMUSB_GLB_PAD_GPIO_I (ROMUSB_GLB + 0x000c) +#define QLCNIC_ROMUSB_GLB_CAS_RST (ROMUSB_GLB + 0x0038) +#define QLCNIC_ROMUSB_GLB_TEST_MUX_SEL (ROMUSB_GLB + 0x0044) +#define QLCNIC_ROMUSB_GLB_PEGTUNE_DONE (ROMUSB_GLB + 0x005c) +#define QLCNIC_ROMUSB_GLB_CHIP_CLK_CTRL (ROMUSB_GLB + 0x00A8) + +#define QLCNIC_ROMUSB_GPIO(n) (ROMUSB_GLB + 0x60 + (4 * (n))) + +#define QLCNIC_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004) +#define QLCNIC_ROMUSB_ROM_ADDRESS (ROMUSB_ROM + 0x0008) +#define QLCNIC_ROMUSB_ROM_WDATA (ROMUSB_ROM + 0x000c) +#define QLCNIC_ROMUSB_ROM_ABYTE_CNT (ROMUSB_ROM + 0x0010) +#define QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014) +#define QLCNIC_ROMUSB_ROM_RDATA (ROMUSB_ROM + 0x0018) + +/****************************************************************************** +* +* Definitions specific to M25P flash +* +******************************************************************************* +*/ + +/* all are 1MB windows */ + +#define QLCNIC_PCI_CRB_WINDOWSIZE 0x00100000 +#define QLCNIC_PCI_CRB_WINDOW(A) \ + (QLCNIC_PCI_CRBSPACE + (A)*QLCNIC_PCI_CRB_WINDOWSIZE) + +#define QLCNIC_CRB_NIU QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_NIU) +#define QLCNIC_CRB_SRE QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_SRE) +#define QLCNIC_CRB_ROMUSB \ + QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_ROMUSB) +#define QLCNIC_CRB_EPG QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_EG) +#define QLCNIC_CRB_I2Q QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_I2Q) +#define QLCNIC_CRB_TIMER QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_TIMR) +#define QLCNIC_CRB_I2C0 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_I2C0) +#define QLCNIC_CRB_SMB QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_SMB) +#define QLCNIC_CRB_MAX QLCNIC_PCI_CRB_WINDOW(64) + +#define QLCNIC_CRB_PCIX_HOST QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PH) +#define QLCNIC_CRB_PCIX_HOST2 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PH2) +#define QLCNIC_CRB_PEG_NET_0 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGN0) +#define QLCNIC_CRB_PEG_NET_1 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGN1) +#define QLCNIC_CRB_PEG_NET_2 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGN2) +#define QLCNIC_CRB_PEG_NET_3 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGN3) +#define QLCNIC_CRB_PEG_NET_4 QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_SQS2) +#define QLCNIC_CRB_PEG_NET_D QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGND) +#define QLCNIC_CRB_PEG_NET_I QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PGNI) +#define QLCNIC_CRB_DDR_NET QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_MN) +#define QLCNIC_CRB_QDR_NET QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_SN) + +#define QLCNIC_CRB_PCIX_MD QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_PS) +#define QLCNIC_CRB_PCIE QLCNIC_CRB_PCIX_MD + +#define ISR_INT_VECTOR (QLCNIC_PCIX_PS_REG(PCIX_INT_VECTOR)) +#define ISR_INT_MASK (QLCNIC_PCIX_PS_REG(PCIX_INT_MASK)) +#define ISR_INT_MASK_SLOW (QLCNIC_PCIX_PS_REG(PCIX_INT_MASK)) +#define ISR_INT_TARGET_STATUS (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS)) +#define ISR_INT_TARGET_MASK (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK)) +#define ISR_INT_TARGET_STATUS_F1 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F1)) +#define ISR_INT_TARGET_MASK_F1 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F1)) +#define ISR_INT_TARGET_STATUS_F2 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F2)) +#define ISR_INT_TARGET_MASK_F2 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F2)) +#define ISR_INT_TARGET_STATUS_F3 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F3)) +#define ISR_INT_TARGET_MASK_F3 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F3)) +#define ISR_INT_TARGET_STATUS_F4 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F4)) +#define ISR_INT_TARGET_MASK_F4 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F4)) +#define ISR_INT_TARGET_STATUS_F5 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F5)) +#define ISR_INT_TARGET_MASK_F5 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F5)) +#define ISR_INT_TARGET_STATUS_F6 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F6)) +#define ISR_INT_TARGET_MASK_F6 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F6)) +#define ISR_INT_TARGET_STATUS_F7 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_STATUS_F7)) +#define ISR_INT_TARGET_MASK_F7 (QLCNIC_PCIX_PS_REG(PCIX_TARGET_MASK_F7)) + +#define QLCNIC_PCI_OCM0_2M (0x000c0000UL) +#define QLCNIC_PCI_CRBSPACE (0x06000000UL) +#define QLCNIC_PCI_CAMQM (0x04800000UL) +#define QLCNIC_PCI_CAMQM_END (0x04800800UL) +#define QLCNIC_PCI_CAMQM_2M_BASE (0x000ff800UL) + +#define QLCNIC_CRB_CAM QLCNIC_PCI_CRB_WINDOW(QLCNIC_HW_PX_MAP_CRB_CAM) + +#define QLCNIC_ADDR_DDR_NET (0x0000000000000000ULL) +#define QLCNIC_ADDR_DDR_NET_MAX (0x000000000fffffffULL) +#define QLCNIC_ADDR_OCM0 (0x0000000200000000ULL) +#define QLCNIC_ADDR_OCM0_MAX (0x00000002000fffffULL) +#define QLCNIC_ADDR_OCM1 (0x0000000200400000ULL) +#define QLCNIC_ADDR_OCM1_MAX (0x00000002004fffffULL) +#define QLCNIC_ADDR_QDR_NET (0x0000000300000000ULL) +#define QLCNIC_ADDR_QDR_NET_MAX (0x0000000307ffffffULL) + +/* + * Register offsets for MN + */ +#define QLCNIC_MIU_CONTROL (0x000) +#define QLCNIC_MIU_MN_CONTROL (QLCNIC_CRB_DDR_NET+QLCNIC_MIU_CONTROL) + +/* 200ms delay in each loop */ +#define QLCNIC_NIU_PHY_WAITLEN 200000 +/* 10 seconds before we give up */ +#define QLCNIC_NIU_PHY_WAITMAX 50 +#define QLCNIC_NIU_MAX_GBE_PORTS 4 +#define QLCNIC_NIU_MAX_XG_PORTS 2 + +#define QLCNIC_NIU_MODE (QLCNIC_CRB_NIU + 0x00000) +#define QLCNIC_NIU_GB_PAUSE_CTL (QLCNIC_CRB_NIU + 0x0030c) +#define QLCNIC_NIU_XG_PAUSE_CTL (QLCNIC_CRB_NIU + 0x00098) + +#define QLCNIC_NIU_GB_MAC_CONFIG_0(I) \ + (QLCNIC_CRB_NIU + 0x30000 + (I)*0x10000) +#define QLCNIC_NIU_GB_MAC_CONFIG_1(I) \ + (QLCNIC_CRB_NIU + 0x30004 + (I)*0x10000) + +#define MAX_CTL_CHECK 1000 +#define TEST_AGT_CTRL (0x00) + +#define TA_CTL_START BIT_0 +#define TA_CTL_ENABLE BIT_1 +#define TA_CTL_WRITE BIT_2 +#define TA_CTL_BUSY BIT_3 + +/* XG Link status */ +#define XG_LINK_UP 0x10 +#define XG_LINK_DOWN 0x20 + +#define XG_LINK_UP_P3P 0x01 +#define XG_LINK_DOWN_P3P 0x02 +#define XG_LINK_STATE_P3P_MASK 0xf +#define XG_LINK_STATE_P3P(pcifn, val) \ + (((val) >> ((pcifn) * 4)) & XG_LINK_STATE_P3P_MASK) + +#define P3P_LINK_SPEED_MHZ 100 +#define P3P_LINK_SPEED_MASK 0xff +#define P3P_LINK_SPEED_REG(pcifn) \ + (CRB_PF_LINK_SPEED_1 + (((pcifn) / 4) * 4)) +#define P3P_LINK_SPEED_VAL(pcifn, reg) \ + (((reg) >> (8 * ((pcifn) & 0x3))) & P3P_LINK_SPEED_MASK) + +#define QLCNIC_CAM_RAM_BASE (QLCNIC_CRB_CAM + 0x02000) +#define QLCNIC_CAM_RAM(reg) (QLCNIC_CAM_RAM_BASE + (reg)) +#define QLCNIC_ROM_LOCK_ID (QLCNIC_CAM_RAM(0x100)) +#define QLCNIC_PHY_LOCK_ID (QLCNIC_CAM_RAM(0x120)) +#define QLCNIC_CRB_WIN_LOCK_ID (QLCNIC_CAM_RAM(0x124)) + +#define NIC_CRB_BASE (QLCNIC_CAM_RAM(0x200)) +#define NIC_CRB_BASE_2 (QLCNIC_CAM_RAM(0x700)) +#define QLCNIC_REG(X) (NIC_CRB_BASE+(X)) +#define QLCNIC_REG_2(X) (NIC_CRB_BASE_2+(X)) + +#define QLCNIC_CDRP_MAX_ARGS 4 +#define QLCNIC_CDRP_ARG(i) (QLCNIC_REG(0x18 + ((i) * 4))) + +#define QLCNIC_CDRP_CRB_OFFSET (QLCNIC_REG(0x18)) +#define QLCNIC_SIGN_CRB_OFFSET (QLCNIC_REG(0x28)) + +#define CRB_XG_STATE_P3P (QLCNIC_REG(0x98)) +#define CRB_PF_LINK_SPEED_1 (QLCNIC_REG(0xe8)) +#define CRB_DRIVER_VERSION (QLCNIC_REG(0x2a0)) + +#define CRB_FW_CAPABILITIES_2 (QLCNIC_CAM_RAM(0x12c)) + +/* + * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address + * which can be read by the Phantom host to get producer/consumer indexes from + * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following + * registers will be used for the addresses of the ring's shared memory + * on the Phantom. + */ + +#define qlcnic_get_temp_val(x) ((x) >> 16) +#define qlcnic_get_temp_state(x) ((x) & 0xffff) +#define qlcnic_encode_temp(val, state) (((val) << 16) | (state)) + +/* + * Temperature control. + */ +enum { + QLCNIC_TEMP_NORMAL = 0x1, /* Normal operating range */ + QLCNIC_TEMP_WARN, /* Sound alert, temperature getting high */ + QLCNIC_TEMP_PANIC /* Fatal error, hardware has shut down. */ +}; + + +/* Lock IDs for PHY lock */ +#define PHY_LOCK_DRIVER 0x44524956 + +#define PCIX_INT_VECTOR (0x10100) +#define PCIX_INT_MASK (0x10104) + +#define PCIX_OCM_WINDOW (0x10800) +#define PCIX_OCM_WINDOW_REG(func) (PCIX_OCM_WINDOW + 0x4 * (func)) + +#define PCIX_TARGET_STATUS (0x10118) +#define PCIX_TARGET_STATUS_F1 (0x10160) +#define PCIX_TARGET_STATUS_F2 (0x10164) +#define PCIX_TARGET_STATUS_F3 (0x10168) +#define PCIX_TARGET_STATUS_F4 (0x10360) +#define PCIX_TARGET_STATUS_F5 (0x10364) +#define PCIX_TARGET_STATUS_F6 (0x10368) +#define PCIX_TARGET_STATUS_F7 (0x1036c) + +#define PCIX_TARGET_MASK (0x10128) +#define PCIX_TARGET_MASK_F1 (0x10170) +#define PCIX_TARGET_MASK_F2 (0x10174) +#define PCIX_TARGET_MASK_F3 (0x10178) +#define PCIX_TARGET_MASK_F4 (0x10370) +#define PCIX_TARGET_MASK_F5 (0x10374) +#define PCIX_TARGET_MASK_F6 (0x10378) +#define PCIX_TARGET_MASK_F7 (0x1037c) + +#define PCIX_MSI_F(i) (0x13000+((i)*4)) + +#define QLCNIC_PCIX_PH_REG(reg) (QLCNIC_CRB_PCIE + (reg)) +#define QLCNIC_PCIX_PS_REG(reg) (QLCNIC_CRB_PCIX_MD + (reg)) +#define QLCNIC_PCIE_REG(reg) (QLCNIC_CRB_PCIE + (reg)) + +#define PCIE_SEM0_LOCK (0x1c000) +#define PCIE_SEM0_UNLOCK (0x1c004) +#define PCIE_SEM_LOCK(N) (PCIE_SEM0_LOCK + 8*(N)) +#define PCIE_SEM_UNLOCK(N) (PCIE_SEM0_UNLOCK + 8*(N)) + +#define PCIE_SETUP_FUNCTION (0x12040) +#define PCIE_SETUP_FUNCTION2 (0x12048) +#define PCIE_MISCCFG_RC (0x1206c) +#define PCIE_TGT_SPLIT_CHICKEN (0x12080) +#define PCIE_CHICKEN3 (0x120c8) + +#define ISR_INT_STATE_REG (QLCNIC_PCIX_PS_REG(PCIE_MISCCFG_RC)) +#define PCIE_MAX_MASTER_SPLIT (0x14048) + +#define QLCNIC_PORT_MODE_NONE 0 +#define QLCNIC_PORT_MODE_XG 1 +#define QLCNIC_PORT_MODE_GB 2 +#define QLCNIC_PORT_MODE_802_3_AP 3 +#define QLCNIC_PORT_MODE_AUTO_NEG 4 +#define QLCNIC_PORT_MODE_AUTO_NEG_1G 5 +#define QLCNIC_PORT_MODE_AUTO_NEG_XG 6 +#define QLCNIC_PORT_MODE_ADDR (QLCNIC_CAM_RAM(0x24)) +#define QLCNIC_WOL_PORT_MODE (QLCNIC_CAM_RAM(0x198)) + +#define QLCNIC_WOL_CONFIG_NV (QLCNIC_CAM_RAM(0x184)) +#define QLCNIC_WOL_CONFIG (QLCNIC_CAM_RAM(0x188)) + +#define QLCNIC_PEG_TUNE_MN_PRESENT 0x1 +#define QLCNIC_PEG_TUNE_CAPABILITY (QLCNIC_CAM_RAM(0x02c)) + +#define QLCNIC_DMA_WATCHDOG_CTRL (QLCNIC_CAM_RAM(0x14)) +#define QLCNIC_ROM_DEV_INIT_TIMEOUT (0x3e885c) +#define QLCNIC_ROM_DRV_RESET_TIMEOUT (0x3e8860) + +/* Device State */ +#define QLCNIC_DEV_COLD 0x1 +#define QLCNIC_DEV_INITIALIZING 0x2 +#define QLCNIC_DEV_READY 0x3 +#define QLCNIC_DEV_NEED_RESET 0x4 +#define QLCNIC_DEV_NEED_QUISCENT 0x5 +#define QLCNIC_DEV_FAILED 0x6 +#define QLCNIC_DEV_QUISCENT 0x7 + +#define QLCNIC_DEV_BADBAD 0xbad0bad0 + +#define QLCNIC_DEV_NPAR_NON_OPER 0 /* NON Operational */ +#define QLCNIC_DEV_NPAR_OPER 1 /* NPAR Operational */ +#define QLCNIC_DEV_NPAR_OPER_TIMEO 30 /* Operational time out */ + +#define QLC_DEV_SET_REF_CNT(VAL, FN) ((VAL) |= (1 << (FN * 4))) +#define QLC_DEV_CLR_REF_CNT(VAL, FN) ((VAL) &= ~(1 << (FN * 4))) +#define QLC_DEV_SET_RST_RDY(VAL, FN) ((VAL) |= (1 << (FN * 4))) +#define QLC_DEV_SET_QSCNT_RDY(VAL, FN) ((VAL) |= (2 << (FN * 4))) +#define QLC_DEV_CLR_RST_QSCNT(VAL, FN) ((VAL) &= ~(3 << (FN * 4))) + +#define QLC_DEV_GET_DRV(VAL, FN) (0xf & ((VAL) >> (FN * 4))) +#define QLC_DEV_SET_DRV(VAL, FN) ((VAL) << (FN * 4)) + +#define QLCNIC_TYPE_NIC 1 +#define QLCNIC_TYPE_FCOE 2 +#define QLCNIC_TYPE_ISCSI 3 + +#define QLCNIC_RCODE_DRIVER_INFO 0x20000000 +#define QLCNIC_RCODE_DRIVER_CAN_RELOAD BIT_30 +#define QLCNIC_RCODE_FATAL_ERROR BIT_31 +#define QLCNIC_FWERROR_PEGNUM(code) ((code) & 0xff) +#define QLCNIC_FWERROR_CODE(code) ((code >> 8) & 0x1fffff) +#define QLCNIC_FWERROR_FAN_FAILURE 0x16 + +#define FW_POLL_DELAY (1 * HZ) +#define FW_FAIL_THRESH 2 + +#define QLCNIC_RESET_TIMEOUT_SECS 10 +#define QLCNIC_INIT_TIMEOUT_SECS 30 +#define QLCNIC_RCVPEG_CHECK_RETRY_COUNT 2000 +#define QLCNIC_RCVPEG_CHECK_DELAY 10 +#define QLCNIC_CMDPEG_CHECK_RETRY_COUNT 60 +#define QLCNIC_CMDPEG_CHECK_DELAY 500 +#define QLCNIC_HEARTBEAT_PERIOD_MSECS 200 +#define QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT 10 + +#define QLCNIC_MAX_MC_COUNT 38 +#define QLCNIC_MAX_UC_COUNT 512 +#define QLCNIC_WATCHDOG_TIMEOUTVALUE 5 + +#define ISR_MSI_INT_TRIGGER(FUNC) (QLCNIC_PCIX_PS_REG(PCIX_MSI_F(FUNC))) +#define ISR_LEGACY_INT_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200) + +/* + * PCI Interrupt Vector Values. + */ +#define PCIX_INT_VECTOR_BIT_F0 0x0080 +#define PCIX_INT_VECTOR_BIT_F1 0x0100 +#define PCIX_INT_VECTOR_BIT_F2 0x0200 +#define PCIX_INT_VECTOR_BIT_F3 0x0400 +#define PCIX_INT_VECTOR_BIT_F4 0x0800 +#define PCIX_INT_VECTOR_BIT_F5 0x1000 +#define PCIX_INT_VECTOR_BIT_F6 0x2000 +#define PCIX_INT_VECTOR_BIT_F7 0x4000 + +struct qlcnic_legacy_intr_set { + u32 int_vec_bit; + u32 tgt_status_reg; + u32 tgt_mask_reg; + u32 pci_int_reg; +}; + +#define QLCNIC_MSIX_BASE 0x132110 +#define QLCNIC_MAX_VLAN_FILTERS 64 + +#define FLASH_ROM_WINDOW 0x42110030 +#define FLASH_ROM_DATA 0x42150000 + +#define QLCNIC_FW_DUMP_REG1 0x00130060 +#define QLCNIC_FW_DUMP_REG2 0x001e0000 +#define QLCNIC_FLASH_SEM2_LK 0x0013C010 +#define QLCNIC_FLASH_SEM2_ULK 0x0013C014 +#define QLCNIC_FLASH_LOCK_ID 0x001B2100 + +/* PCI function operational mode */ +enum { + QLCNIC_MGMT_FUNC = 0, + QLCNIC_PRIV_FUNC = 1, + QLCNIC_NON_PRIV_FUNC = 2, + QLCNIC_SRIOV_PF_FUNC = 3, + QLCNIC_SRIOV_VF_FUNC = 4, + QLCNIC_UNKNOWN_FUNC_MODE = 5 +}; + +enum { + QLCNIC_PORT_DEFAULTS = 0, + QLCNIC_ADD_VLAN = 1, + QLCNIC_DEL_VLAN = 2 +}; + +#define QLC_DEV_DRV_DEFAULT 0x11111111 + +#define LSB(x) ((uint8_t)(x)) +#define MSB(x) ((uint8_t)((uint16_t)(x) >> 8)) + +#define LSW(x) ((uint16_t)((uint32_t)(x))) +#define MSW(x) ((uint16_t)((uint32_t)(x) >> 16)) + +#define LSD(x) ((uint32_t)((uint64_t)(x))) +#define MSD(x) ((uint32_t)((((uint64_t)(x)) >> 16) >> 16)) + +#define QLCNIC_MS_CTRL 0x41000090 +#define QLCNIC_MS_ADDR_LO 0x41000094 +#define QLCNIC_MS_ADDR_HI 0x41000098 +#define QLCNIC_MS_WRTDATA_LO 0x410000A0 +#define QLCNIC_MS_WRTDATA_HI 0x410000A4 +#define QLCNIC_MS_WRTDATA_ULO 0x410000B0 +#define QLCNIC_MS_WRTDATA_UHI 0x410000B4 +#define QLCNIC_MS_RDDATA_LO 0x410000A8 +#define QLCNIC_MS_RDDATA_HI 0x410000AC +#define QLCNIC_MS_RDDATA_ULO 0x410000B8 +#define QLCNIC_MS_RDDATA_UHI 0x410000BC + +#define QLCNIC_TA_WRITE_ENABLE (TA_CTL_ENABLE | TA_CTL_WRITE) +#define QLCNIC_TA_WRITE_START (TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE) +#define QLCNIC_TA_START_ENABLE (TA_CTL_START | TA_CTL_ENABLE) + +#define QLCNIC_LEGACY_INTR_CONFIG \ +{ \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F0, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F1, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F1, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F1, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F2, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F2, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F2, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F3, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F3, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F3, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F4, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F4, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F4, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F5, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F5, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F5, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F6, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F6, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F6, }, \ + \ + { \ + .int_vec_bit = PCIX_INT_VECTOR_BIT_F7, \ + .tgt_status_reg = ISR_INT_TARGET_STATUS_F7, \ + .tgt_mask_reg = ISR_INT_TARGET_MASK_F7, }, \ +} + +/* NIU REGS */ + +#define _qlcnic_crb_get_bit(var, bit) ((var >> bit) & 0x1) + +/* + * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3) + * + * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable + * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream + * Bit 2 : enable_rx => 1:enable frame recv, 0:disable + * Bit 3 : rx_synced => R/O: recv enable synched to recv stream + * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable + * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore + * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal + * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op + * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op + * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op + * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op + * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op + */ +#define qlcnic_gb_rx_flowctl(config_word) \ + ((config_word) |= 1 << 5) +#define qlcnic_gb_get_rx_flowctl(config_word) \ + _qlcnic_crb_get_bit((config_word), 5) +#define qlcnic_gb_unset_rx_flowctl(config_word) \ + ((config_word) &= ~(1 << 5)) + +/* + * NIU GB Pause Ctl Register + */ + +#define qlcnic_gb_set_gb0_mask(config_word) \ + ((config_word) |= 1 << 0) +#define qlcnic_gb_set_gb1_mask(config_word) \ + ((config_word) |= 1 << 2) +#define qlcnic_gb_set_gb2_mask(config_word) \ + ((config_word) |= 1 << 4) +#define qlcnic_gb_set_gb3_mask(config_word) \ + ((config_word) |= 1 << 6) + +#define qlcnic_gb_get_gb0_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 0) +#define qlcnic_gb_get_gb1_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 2) +#define qlcnic_gb_get_gb2_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 4) +#define qlcnic_gb_get_gb3_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 6) + +#define qlcnic_gb_unset_gb0_mask(config_word) \ + ((config_word) &= ~(1 << 0)) +#define qlcnic_gb_unset_gb1_mask(config_word) \ + ((config_word) &= ~(1 << 2)) +#define qlcnic_gb_unset_gb2_mask(config_word) \ + ((config_word) &= ~(1 << 4)) +#define qlcnic_gb_unset_gb3_mask(config_word) \ + ((config_word) &= ~(1 << 6)) + +/* + * NIU XG Pause Ctl Register + * + * Bit 0 : xg0_mask => 1:disable tx pause frames + * Bit 1 : xg0_request => 1:request single pause frame + * Bit 2 : xg0_on_off => 1:request is pause on, 0:off + * Bit 3 : xg1_mask => 1:disable tx pause frames + * Bit 4 : xg1_request => 1:request single pause frame + * Bit 5 : xg1_on_off => 1:request is pause on, 0:off + */ + +#define qlcnic_xg_set_xg0_mask(config_word) \ + ((config_word) |= 1 << 0) +#define qlcnic_xg_set_xg1_mask(config_word) \ + ((config_word) |= 1 << 3) + +#define qlcnic_xg_get_xg0_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 0) +#define qlcnic_xg_get_xg1_mask(config_word) \ + _qlcnic_crb_get_bit((config_word), 3) + +#define qlcnic_xg_unset_xg0_mask(config_word) \ + ((config_word) &= ~(1 << 0)) +#define qlcnic_xg_unset_xg1_mask(config_word) \ + ((config_word) &= ~(1 << 3)) + +/* + * NIU XG Pause Ctl Register + * + * Bit 0 : xg0_mask => 1:disable tx pause frames + * Bit 1 : xg0_request => 1:request single pause frame + * Bit 2 : xg0_on_off => 1:request is pause on, 0:off + * Bit 3 : xg1_mask => 1:disable tx pause frames + * Bit 4 : xg1_request => 1:request single pause frame + * Bit 5 : xg1_on_off => 1:request is pause on, 0:off + */ + +/* + * PHY-Specific MII control/status registers. + */ +#define QLCNIC_NIU_GB_MII_MGMT_ADDR_AUTONEG 4 +#define QLCNIC_NIU_GB_MII_MGMT_ADDR_PHY_STATUS 17 + +/* + * PHY-Specific Status Register (reg 17). + * + * Bit 0 : jabber => 1:jabber detected, 0:not + * Bit 1 : polarity => 1:polarity reversed, 0:normal + * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled + * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled + * Bit 4 : energydetect => 1:sleep, 0:active + * Bit 5 : downshift => 1:downshift, 0:no downshift + * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover) + * Bits 7-9 : cablelen => not valid in 10Mb/s mode + * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m + * Bit 10 : link => 1:link up, 0:link down + * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet + * Bit 12 : pagercvd => 1:page received, 0:page not received + * Bit 13 : duplex => 1:full duplex, 0:half duplex + * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd + */ + +#define qlcnic_get_phy_speed(config_word) (((config_word) >> 14) & 0x03) + +#define qlcnic_set_phy_speed(config_word, val) \ + ((config_word) |= ((val & 0x03) << 14)) +#define qlcnic_set_phy_duplex(config_word) \ + ((config_word) |= 1 << 13) +#define qlcnic_clear_phy_duplex(config_word) \ + ((config_word) &= ~(1 << 13)) + +#define qlcnic_get_phy_link(config_word) \ + _qlcnic_crb_get_bit(config_word, 10) +#define qlcnic_get_phy_duplex(config_word) \ + _qlcnic_crb_get_bit(config_word, 13) + +#define QLCNIC_NIU_NON_PROMISC_MODE 0 +#define QLCNIC_NIU_PROMISC_MODE 1 +#define QLCNIC_NIU_ALLMULTI_MODE 2 + +#define QLCNIC_PCIE_SEM_TIMEOUT 10000 + +struct crb_128M_2M_sub_block_map { + unsigned valid; + unsigned start_128M; + unsigned end_128M; + unsigned start_2M; +}; + +struct crb_128M_2M_block_map{ + struct crb_128M_2M_sub_block_map sub_block[16]; +}; +#endif /* __QLCNIC_HDR_H_ */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c new file mode 100644 index 000000000..e1b8490be --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -0,0 +1,1689 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/slab.h> +#include <net/ip.h> +#include <linux/bitops.h> + +#include "qlcnic.h" +#include "qlcnic_hdr.h" + +#define MASK(n) ((1ULL<<(n))-1) +#define OCM_WIN_P3P(addr) (addr & 0xffc0000) + +#define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) + +#define CRB_BLK(off) ((off >> 20) & 0x3f) +#define CRB_SUBBLK(off) ((off >> 16) & 0xf) +#define CRB_WINDOW_2M (0x130060) +#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) +#define CRB_INDIRECT_2M (0x1e0000UL) + +struct qlcnic_ms_reg_ctrl { + u32 ocm_window; + u32 control; + u32 hi; + u32 low; + u32 rd[4]; + u32 wd[4]; + u64 off; +}; + +#ifndef readq +static inline u64 readq(void __iomem *addr) +{ + return readl(addr) | (((u64) readl(addr + 4)) << 32LL); +} +#endif + +#ifndef writeq +static inline void writeq(u64 val, void __iomem *addr) +{ + writel(((u32) (val)), (addr)); + writel(((u32) (val >> 32)), (addr + 4)); +} +#endif + +static struct crb_128M_2M_block_map +crb_128M_2M_map[64] __cacheline_aligned_in_smp = { + {{{0, 0, 0, 0} } }, /* 0: PCI */ + {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ + {1, 0x0110000, 0x0120000, 0x130000}, + {1, 0x0120000, 0x0122000, 0x124000}, + {1, 0x0130000, 0x0132000, 0x126000}, + {1, 0x0140000, 0x0142000, 0x128000}, + {1, 0x0150000, 0x0152000, 0x12a000}, + {1, 0x0160000, 0x0170000, 0x110000}, + {1, 0x0170000, 0x0172000, 0x12e000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x01e0000, 0x01e0800, 0x122000}, + {0, 0x0000000, 0x0000000, 0x000000} } }, + {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ + {{{0, 0, 0, 0} } }, /* 3: */ + {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ + {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ + {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ + {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ + {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x08f0000, 0x08f2000, 0x172000} } }, + {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x09f0000, 0x09f2000, 0x176000} } }, + {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x0af0000, 0x0af2000, 0x17a000} } }, + {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, + {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ + {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ + {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ + {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ + {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ + {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ + {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ + {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ + {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ + {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ + {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ + {{{0, 0, 0, 0} } }, /* 23: */ + {{{0, 0, 0, 0} } }, /* 24: */ + {{{0, 0, 0, 0} } }, /* 25: */ + {{{0, 0, 0, 0} } }, /* 26: */ + {{{0, 0, 0, 0} } }, /* 27: */ + {{{0, 0, 0, 0} } }, /* 28: */ + {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ + {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ + {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ + {{{0} } }, /* 32: PCI */ + {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ + {1, 0x2110000, 0x2120000, 0x130000}, + {1, 0x2120000, 0x2122000, 0x124000}, + {1, 0x2130000, 0x2132000, 0x126000}, + {1, 0x2140000, 0x2142000, 0x128000}, + {1, 0x2150000, 0x2152000, 0x12a000}, + {1, 0x2160000, 0x2170000, 0x110000}, + {1, 0x2170000, 0x2172000, 0x12e000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000}, + {0, 0x0000000, 0x0000000, 0x000000} } }, + {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ + {{{0} } }, /* 35: */ + {{{0} } }, /* 36: */ + {{{0} } }, /* 37: */ + {{{0} } }, /* 38: */ + {{{0} } }, /* 39: */ + {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ + {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ + {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ + {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ + {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ + {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ + {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ + {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ + {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ + {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ + {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ + {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ + {{{0} } }, /* 52: */ + {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ + {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ + {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ + {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ + {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ + {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ + {{{0} } }, /* 59: I2C0 */ + {{{0} } }, /* 60: I2C1 */ + {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ + {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ + {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ +}; + +/* + * top 12 bits of crb internal address (hub, agent) + */ +static const unsigned crb_hub_agt[64] = { + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PS, + QLCNIC_HW_CRB_HUB_AGT_ADR_MN, + QLCNIC_HW_CRB_HUB_AGT_ADR_MS, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SRE, + QLCNIC_HW_CRB_HUB_AGT_ADR_NIU, + QLCNIC_HW_CRB_HUB_AGT_ADR_QMN, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2, + QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, + QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, + QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4, + QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGND, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI, + QLCNIC_HW_CRB_HUB_AGT_ADR_SN, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_EG, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PS, + QLCNIC_HW_CRB_HUB_AGT_ADR_CAM, + 0, + 0, + 0, + 0, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7, + QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q, + QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8, + QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9, + QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_SMB, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0, + QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1, + 0, + QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC, + 0, +}; + +/* PCI Windowing for DDR regions. */ + +#define QLCNIC_PCIE_SEM_TIMEOUT 10000 + +static void qlcnic_read_window_reg(u32 addr, void __iomem *bar0, u32 *data) +{ + u32 dest; + void __iomem *val; + + dest = addr & 0xFFFF0000; + val = bar0 + QLCNIC_FW_DUMP_REG1; + writel(dest, val); + readl(val); + val = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr); + *data = readl(val); +} + +static void qlcnic_write_window_reg(u32 addr, void __iomem *bar0, u32 data) +{ + u32 dest; + void __iomem *val; + + dest = addr & 0xFFFF0000; + val = bar0 + QLCNIC_FW_DUMP_REG1; + writel(dest, val); + readl(val); + val = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr); + writel(data, val); + readl(val); +} + +int +qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) +{ + int timeout = 0, err = 0, done = 0; + + while (!done) { + done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)), + &err); + if (done == 1) + break; + if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { + if (id_reg) { + done = QLCRD32(adapter, id_reg, &err); + if (done != -1) + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock held by=%d\n", + sem, done); + else + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock", + sem); + } else { + dev_err(&adapter->pdev->dev, + "Failed to acquire sem=%d lock", sem); + } + return -EIO; + } + udelay(1200); + } + + if (id_reg) + QLCWR32(adapter, id_reg, adapter->portnum); + + return 0; +} + +void +qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) +{ + int err = 0; + + QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)), &err); +} + +int qlcnic_ind_rd(struct qlcnic_adapter *adapter, u32 addr) +{ + int err = 0; + u32 data; + + if (qlcnic_82xx_check(adapter)) + qlcnic_read_window_reg(addr, adapter->ahw->pci_base0, &data); + else { + data = QLCRD32(adapter, addr, &err); + if (err == -EIO) + return err; + } + return data; +} + +int qlcnic_ind_wr(struct qlcnic_adapter *adapter, u32 addr, u32 data) +{ + int ret = 0; + + if (qlcnic_82xx_check(adapter)) + qlcnic_write_window_reg(addr, adapter->ahw->pci_base0, data); + else + ret = qlcnic_83xx_wrt_reg_indirect(adapter, addr, data); + + return ret; +} + +static int +qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, + struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) +{ + u32 i, producer; + struct qlcnic_cmd_buffer *pbuf; + struct cmd_desc_type0 *cmd_desc; + struct qlcnic_host_tx_ring *tx_ring; + + i = 0; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return -EIO; + + tx_ring = &adapter->tx_ring[0]; + __netif_tx_lock_bh(tx_ring->txq); + + producer = tx_ring->producer; + + if (nr_desc >= qlcnic_tx_avail(tx_ring)) { + netif_tx_stop_queue(tx_ring->txq); + smp_mb(); + if (qlcnic_tx_avail(tx_ring) > nr_desc) { + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) + netif_tx_wake_queue(tx_ring->txq); + } else { + adapter->stats.xmit_off++; + __netif_tx_unlock_bh(tx_ring->txq); + return -EBUSY; + } + } + + do { + cmd_desc = &cmd_desc_arr[i]; + + pbuf = &tx_ring->cmd_buf_arr[producer]; + pbuf->skb = NULL; + pbuf->frag_count = 0; + + memcpy(&tx_ring->desc_head[producer], + cmd_desc, sizeof(struct cmd_desc_type0)); + + producer = get_next_index(producer, tx_ring->num_desc); + i++; + + } while (i != nr_desc); + + tx_ring->producer = producer; + + qlcnic_update_cmd_producer(tx_ring); + + __netif_tx_unlock_bh(tx_ring->txq); + + return 0; +} + +int qlcnic_82xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, + u16 vlan_id, u8 op) +{ + struct qlcnic_nic_req req; + struct qlcnic_mac_req *mac_req; + struct qlcnic_vlan_req *vlan_req; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); + + word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + mac_req = (struct qlcnic_mac_req *)&req.words[0]; + mac_req->op = op; + memcpy(mac_req->mac_addr, addr, ETH_ALEN); + + vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; + vlan_req->vlan_id = cpu_to_le16(vlan_id); + + return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); +} + +int qlcnic_nic_del_mac(struct qlcnic_adapter *adapter, const u8 *addr) +{ + struct qlcnic_mac_vlan_list *cur; + struct list_head *head; + int err = -EINVAL; + + /* Delete MAC from the existing list */ + list_for_each(head, &adapter->mac_list) { + cur = list_entry(head, struct qlcnic_mac_vlan_list, list); + if (ether_addr_equal(addr, cur->mac_addr)) { + err = qlcnic_sre_macaddr_change(adapter, cur->mac_addr, + 0, QLCNIC_MAC_DEL); + if (err) + return err; + list_del(&cur->list); + kfree(cur); + return err; + } + } + return err; +} + +int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan, + enum qlcnic_mac_type mac_type) +{ + struct qlcnic_mac_vlan_list *cur; + struct list_head *head; + + /* look up if already exists */ + list_for_each(head, &adapter->mac_list) { + cur = list_entry(head, struct qlcnic_mac_vlan_list, list); + if (ether_addr_equal(addr, cur->mac_addr) && + cur->vlan_id == vlan) + return 0; + } + + cur = kzalloc(sizeof(*cur), GFP_ATOMIC); + if (cur == NULL) + return -ENOMEM; + + memcpy(cur->mac_addr, addr, ETH_ALEN); + + if (qlcnic_sre_macaddr_change(adapter, + cur->mac_addr, vlan, QLCNIC_MAC_ADD)) { + kfree(cur); + return -EIO; + } + + cur->vlan_id = vlan; + cur->mac_type = mac_type; + + list_add_tail(&cur->list, &adapter->mac_list); + return 0; +} + +void qlcnic_flush_mcast_mac(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mac_vlan_list *cur; + struct list_head *head, *tmp; + + list_for_each_safe(head, tmp, &adapter->mac_list) { + cur = list_entry(head, struct qlcnic_mac_vlan_list, list); + if (cur->mac_type != QLCNIC_MULTICAST_MAC) + continue; + + qlcnic_sre_macaddr_change(adapter, cur->mac_addr, + cur->vlan_id, QLCNIC_MAC_DEL); + list_del(&cur->list); + kfree(cur); + } +} + +static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct netdev_hw_addr *ha; + static const u8 bcast_addr[ETH_ALEN] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + }; + u32 mode = VPORT_MISS_MODE_DROP; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return; + + qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan, + QLCNIC_UNICAST_MAC); + qlcnic_nic_add_mac(adapter, bcast_addr, vlan, QLCNIC_BROADCAST_MAC); + + if (netdev->flags & IFF_PROMISC) { + if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + } else if ((netdev->flags & IFF_ALLMULTI) || + (netdev_mc_count(netdev) > ahw->max_mc_count)) { + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + } else if (!netdev_mc_empty(netdev)) { + qlcnic_flush_mcast_mac(adapter); + netdev_for_each_mc_addr(ha, netdev) + qlcnic_nic_add_mac(adapter, ha->addr, vlan, + QLCNIC_MULTICAST_MAC); + } + + /* configure unicast MAC address, if there is not sufficient space + * to store all the unicast addresses then enable promiscuous mode + */ + if (netdev_uc_count(netdev) > ahw->max_uc_count) { + mode = VPORT_MISS_MODE_ACCEPT_ALL; + } else if (!netdev_uc_empty(netdev)) { + netdev_for_each_uc_addr(ha, netdev) + qlcnic_nic_add_mac(adapter, ha->addr, vlan, + QLCNIC_UNICAST_MAC); + } + + if (mode == VPORT_MISS_MODE_ACCEPT_ALL && + !adapter->fdb_mac_learn) { + qlcnic_alloc_lb_filters_mem(adapter); + adapter->drv_mac_learn = 1; + if (adapter->flags & QLCNIC_ESWITCH_ENABLED) + adapter->rx_mac_learn = true; + } else { + adapter->drv_mac_learn = 0; + adapter->rx_mac_learn = false; + } + + qlcnic_nic_set_promisc(adapter, mode); +} + +void qlcnic_set_multi(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return; + + if (qlcnic_sriov_vf_check(adapter)) + qlcnic_sriov_vf_set_multi(netdev); + else + __qlcnic_set_multi(netdev, 0); +} + +int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) +{ + struct qlcnic_nic_req req; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE | + ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(mode); + + return qlcnic_send_cmd_descs(adapter, + (struct cmd_desc_type0 *)&req, 1); +} + +void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter) +{ + struct list_head *head = &adapter->mac_list; + struct qlcnic_mac_vlan_list *cur; + + while (!list_empty(head)) { + cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); + qlcnic_sre_macaddr_change(adapter, + cur->mac_addr, 0, QLCNIC_MAC_DEL); + list_del(&cur->list); + kfree(cur); + } +} + +void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter) +{ + struct qlcnic_filter *tmp_fil; + struct hlist_node *n; + struct hlist_head *head; + int i; + unsigned long expires; + u8 cmd; + + for (i = 0; i < adapter->fhash.fbucket_size; i++) { + head = &(adapter->fhash.fhead[i]); + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : + QLCNIC_MAC_DEL; + expires = tmp_fil->ftime + QLCNIC_FILTER_AGE * HZ; + if (time_before(expires, jiffies)) { + qlcnic_sre_macaddr_change(adapter, + tmp_fil->faddr, + tmp_fil->vlan_id, + cmd); + spin_lock_bh(&adapter->mac_learn_lock); + adapter->fhash.fnum--; + hlist_del(&tmp_fil->fnode); + spin_unlock_bh(&adapter->mac_learn_lock); + kfree(tmp_fil); + } + } + } + for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) { + head = &(adapter->rx_fhash.fhead[i]); + + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) + { + expires = tmp_fil->ftime + QLCNIC_FILTER_AGE * HZ; + if (time_before(expires, jiffies)) { + spin_lock_bh(&adapter->rx_mac_learn_lock); + adapter->rx_fhash.fnum--; + hlist_del(&tmp_fil->fnode); + spin_unlock_bh(&adapter->rx_mac_learn_lock); + kfree(tmp_fil); + } + } + } +} + +void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) +{ + struct qlcnic_filter *tmp_fil; + struct hlist_node *n; + struct hlist_head *head; + int i; + u8 cmd; + + for (i = 0; i < adapter->fhash.fbucket_size; i++) { + head = &(adapter->fhash.fhead[i]); + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + cmd = tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL : + QLCNIC_MAC_DEL; + qlcnic_sre_macaddr_change(adapter, + tmp_fil->faddr, + tmp_fil->vlan_id, + cmd); + spin_lock_bh(&adapter->mac_learn_lock); + adapter->fhash.fnum--; + hlist_del(&tmp_fil->fnode); + spin_unlock_bh(&adapter->mac_learn_lock); + kfree(tmp_fil); + } + } +} + +static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag) +{ + struct qlcnic_nic_req req; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | + ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32)); + + req.words[0] = cpu_to_le64(flag); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n", + flag ? "Set" : "Reset"); + return rv; +} + +int qlcnic_82xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + if (qlcnic_set_fw_loopback(adapter, mode)) + return -EIO; + + if (qlcnic_nic_set_promisc(adapter, + VPORT_MISS_MODE_ACCEPT_ALL)) { + qlcnic_set_fw_loopback(adapter, 0); + return -EIO; + } + + msleep(1000); + return 0; +} + +int qlcnic_82xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + struct net_device *netdev = adapter->netdev; + + mode = VPORT_MISS_MODE_DROP; + qlcnic_set_fw_loopback(adapter, 0); + + if (netdev->flags & IFF_PROMISC) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + else if (netdev->flags & IFF_ALLMULTI) + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + + qlcnic_nic_set_promisc(adapter, mode); + msleep(1000); + return 0; +} + +int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *adapter) +{ + u8 mac[ETH_ALEN]; + int ret; + + ret = qlcnic_get_mac_address(adapter, mac, + adapter->ahw->physical_port); + if (ret) + return ret; + + memcpy(adapter->ahw->phys_port_id, mac, ETH_ALEN); + adapter->flags |= QLCNIC_HAS_PHYS_PORT_ID; + + return 0; +} + +int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_req req; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE | + ((u64) adapter->portnum << 16)); + + req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32); + req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets | + ((u64) adapter->ahw->coal.rx_time_us) << 16); + req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out | + ((u64) adapter->ahw->coal.type) << 32 | + ((u64) adapter->ahw->coal.sts_ring_mask) << 40); + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send interrupt coalescing parameters\n"); + + return rv; +} + +/* Send the interrupt coalescing parameter set by ethtool to the card. */ +int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *adapter, + struct ethtool_coalesce *ethcoal) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + int rv; + + coal->flag = QLCNIC_INTR_DEFAULT; + coal->rx_time_us = ethcoal->rx_coalesce_usecs; + coal->rx_packets = ethcoal->rx_max_coalesced_frames; + + rv = qlcnic_82xx_set_rx_coalesce(adapter); + + if (rv) + netdev_err(adapter->netdev, + "Failed to set Rx coalescing parameters\n"); + + return rv; +} + +#define QLCNIC_ENABLE_IPV4_LRO BIT_0 +#define QLCNIC_ENABLE_IPV6_LRO (BIT_1 | BIT_9) + +int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + word = 0; + if (enable) { + word = QLCNIC_ENABLE_IPV4_LRO; + if (adapter->ahw->extra_capability[0] & + QLCNIC_FW_CAP2_HW_LRO_IPV6) + word |= QLCNIC_ENABLE_IPV6_LRO; + } + + req.words[0] = cpu_to_le64(word); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send configure hw lro request\n"); + + return rv; +} + +int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING | + ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(enable); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "Could not send configure bridge mode request\n"); + + adapter->flags ^= QLCNIC_BRIDGE_ENABLED; + + return rv; +} + + +#define QLCNIC_RSS_HASHTYPE_IP_TCP 0x3 +#define QLCNIC_ENABLE_TYPE_C_RSS BIT_10 +#define QLCNIC_RSS_FEATURE_FLAG (1ULL << 63) +#define QLCNIC_RSS_IND_TABLE_MASK 0x7ULL + +int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int i, rv; + + static const u64 key[] = { + 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, + 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, + 0x255b0ec26d5a56daULL + }; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + /* + * RSS request: + * bits 3-0: hash_method + * 5-4: hash_type_ipv4 + * 7-6: hash_type_ipv6 + * 8: enable + * 9: use indirection table + * 10: type-c rss + * 11: udp rss + * 47-12: reserved + * 62-48: indirection table mask + * 63: feature flag + */ + word = ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 4) | + ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 6) | + ((u64)(enable & 0x1) << 8) | + ((u64)QLCNIC_RSS_IND_TABLE_MASK << 48) | + (u64)QLCNIC_ENABLE_TYPE_C_RSS | + (u64)QLCNIC_RSS_FEATURE_FLAG; + + req.words[0] = cpu_to_le64(word); + for (i = 0; i < 5; i++) + req.words[i+1] = cpu_to_le64(key[i]); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, "could not configure RSS\n"); + + return rv; +} + +void qlcnic_82xx_config_ipaddr(struct qlcnic_adapter *adapter, + __be32 ip, int cmd) +{ + struct qlcnic_nic_req req; + struct qlcnic_ipaddr *ipa; + u64 word; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(cmd); + ipa = (struct qlcnic_ipaddr *)&req.words[1]; + ipa->ipv4 = ip; + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not notify %s IP 0x%x request\n", + (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip); +} + +int qlcnic_82xx_linkevent_request(struct qlcnic_adapter *adapter, int enable) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + req.words[0] = cpu_to_le64(enable | (enable << 8)); + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not configure link notification\n"); + + return rv; +} + +static int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter) +{ + struct qlcnic_nic_req req; + u64 word; + int rv; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return 0; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_LRO_REQUEST | + ((u64)adapter->portnum << 16) | + ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ; + + req.req_hdr = cpu_to_le64(word); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->netdev->dev, + "could not cleanup lro flows\n"); + + return rv; +} + +/* + * qlcnic_change_mtu - Change the Maximum Transfer Unit + * @returns 0 on success, negative on failure + */ + +int qlcnic_change_mtu(struct net_device *netdev, int mtu) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int rc = 0; + + rc = qlcnic_fw_cmd_set_mtu(adapter, mtu); + + if (!rc) + netdev->mtu = mtu; + + return rc; +} + +static netdev_features_t qlcnic_process_flags(struct qlcnic_adapter *adapter, + netdev_features_t features) +{ + u32 offload_flags = adapter->offload_flags; + + if (offload_flags & BIT_0) { + features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM; + adapter->rx_csum = 1; + if (QLCNIC_IS_TSO_CAPABLE(adapter)) { + if (!(offload_flags & BIT_1)) + features &= ~NETIF_F_TSO; + else + features |= NETIF_F_TSO; + + if (!(offload_flags & BIT_2)) + features &= ~NETIF_F_TSO6; + else + features |= NETIF_F_TSO6; + } + } else { + features &= ~(NETIF_F_RXCSUM | + NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM); + + if (QLCNIC_IS_TSO_CAPABLE(adapter)) + features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + adapter->rx_csum = 0; + } + + return features; +} + +netdev_features_t qlcnic_fix_features(struct net_device *netdev, + netdev_features_t features) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + netdev_features_t changed; + + if (qlcnic_82xx_check(adapter) && + (adapter->flags & QLCNIC_ESWITCH_ENABLED)) { + if (adapter->flags & QLCNIC_APP_CHANGED_FLAGS) { + features = qlcnic_process_flags(adapter, features); + } else { + changed = features ^ netdev->features; + features ^= changed & (NETIF_F_RXCSUM | + NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | + NETIF_F_TSO | + NETIF_F_TSO6); + } + } + + if (!(features & NETIF_F_RXCSUM)) + features &= ~NETIF_F_LRO; + + return features; +} + + +int qlcnic_set_features(struct net_device *netdev, netdev_features_t features) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + netdev_features_t changed = netdev->features ^ features; + int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0; + + if (!(changed & NETIF_F_LRO)) + return 0; + + netdev->features ^= NETIF_F_LRO; + + if (qlcnic_config_hw_lro(adapter, hw_lro)) + return -EIO; + + if (!hw_lro && qlcnic_82xx_check(adapter)) { + if (qlcnic_send_lro_cleanup(adapter)) + return -EIO; + } + + return 0; +} + +/* + * Changes the CRB window to the specified window. + */ + /* Returns < 0 if off is not valid, + * 1 if window access is needed. 'off' is set to offset from + * CRB space in 128M pci map + * 0 if no window access is needed. 'off' is set to 2M addr + * In: 'off' is offset from base in 128M pci map + */ +static int qlcnic_pci_get_crb_addr_2M(struct qlcnic_hardware_context *ahw, + ulong off, void __iomem **addr) +{ + const struct crb_128M_2M_sub_block_map *m; + + if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE)) + return -EINVAL; + + off -= QLCNIC_PCI_CRBSPACE; + + /* + * Try direct map + */ + m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; + + if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { + *addr = ahw->pci_base0 + m->start_2M + + (off - m->start_128M); + return 0; + } + + /* + * Not in direct map, use crb window + */ + *addr = ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16)); + return 1; +} + +/* + * In: 'off' is offset from CRB space in 128M pci map + * Out: 'off' is 2M pci map addr + * side effect: lock crb window + */ +static int +qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) +{ + u32 window; + void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M; + + off -= QLCNIC_PCI_CRBSPACE; + + window = CRB_HI(off); + if (window == 0) { + dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); + return -EIO; + } + + writel(window, addr); + if (readl(addr) != window) { + if (printk_ratelimit()) + dev_warn(&adapter->pdev->dev, + "failed to set CRB window to %d off 0x%lx\n", + window, off); + return -EIO; + } + return 0; +} + +int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, + u32 data) +{ + unsigned long flags; + int rv; + void __iomem *addr = NULL; + + rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); + + if (rv == 0) { + writel(data, addr); + return 0; + } + + if (rv > 0) { + /* indirect access */ + write_lock_irqsave(&adapter->ahw->crb_lock, flags); + crb_win_lock(adapter); + rv = qlcnic_pci_set_crbwindow_2M(adapter, off); + if (!rv) + writel(data, addr); + crb_win_unlock(adapter); + write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); + return rv; + } + + dev_err(&adapter->pdev->dev, + "%s: invalid offset: 0x%016lx\n", __func__, off); + dump_stack(); + return -EIO; +} + +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off, + int *err) +{ + unsigned long flags; + int rv; + u32 data = -1; + void __iomem *addr = NULL; + + rv = qlcnic_pci_get_crb_addr_2M(adapter->ahw, off, &addr); + + if (rv == 0) + return readl(addr); + + if (rv > 0) { + /* indirect access */ + write_lock_irqsave(&adapter->ahw->crb_lock, flags); + crb_win_lock(adapter); + if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) + data = readl(addr); + crb_win_unlock(adapter); + write_unlock_irqrestore(&adapter->ahw->crb_lock, flags); + return data; + } + + dev_err(&adapter->pdev->dev, + "%s: invalid offset: 0x%016lx\n", __func__, off); + dump_stack(); + return -1; +} + +void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *ahw, + u32 offset) +{ + void __iomem *addr = NULL; + + WARN_ON(qlcnic_pci_get_crb_addr_2M(ahw, offset, &addr)); + + return addr; +} + +static int qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, + u32 window, u64 off, u64 *data, int op) +{ + void __iomem *addr; + u32 start; + + mutex_lock(&adapter->ahw->mem_lock); + + writel(window, adapter->ahw->ocm_win_crb); + /* read back to flush */ + readl(adapter->ahw->ocm_win_crb); + start = QLCNIC_PCI_OCM0_2M + off; + + addr = adapter->ahw->pci_base0 + start; + + if (op == 0) /* read */ + *data = readq(addr); + else /* write */ + writeq(*data, addr); + + /* Set window to 0 */ + writel(0, adapter->ahw->ocm_win_crb); + readl(adapter->ahw->ocm_win_crb); + + mutex_unlock(&adapter->ahw->mem_lock); + return 0; +} + +static void +qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) +{ + void __iomem *addr = adapter->ahw->pci_base0 + + QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); + + mutex_lock(&adapter->ahw->mem_lock); + *data = readq(addr); + mutex_unlock(&adapter->ahw->mem_lock); +} + +static void +qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) +{ + void __iomem *addr = adapter->ahw->pci_base0 + + QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM); + + mutex_lock(&adapter->ahw->mem_lock); + writeq(data, addr); + mutex_unlock(&adapter->ahw->mem_lock); +} + + + +/* Set MS memory control data for different adapters */ +static void qlcnic_set_ms_controls(struct qlcnic_adapter *adapter, u64 off, + struct qlcnic_ms_reg_ctrl *ms) +{ + ms->control = QLCNIC_MS_CTRL; + ms->low = QLCNIC_MS_ADDR_LO; + ms->hi = QLCNIC_MS_ADDR_HI; + if (off & 0xf) { + ms->wd[0] = QLCNIC_MS_WRTDATA_LO; + ms->rd[0] = QLCNIC_MS_RDDATA_LO; + ms->wd[1] = QLCNIC_MS_WRTDATA_HI; + ms->rd[1] = QLCNIC_MS_RDDATA_HI; + ms->wd[2] = QLCNIC_MS_WRTDATA_ULO; + ms->wd[3] = QLCNIC_MS_WRTDATA_UHI; + ms->rd[2] = QLCNIC_MS_RDDATA_ULO; + ms->rd[3] = QLCNIC_MS_RDDATA_UHI; + } else { + ms->wd[0] = QLCNIC_MS_WRTDATA_ULO; + ms->rd[0] = QLCNIC_MS_RDDATA_ULO; + ms->wd[1] = QLCNIC_MS_WRTDATA_UHI; + ms->rd[1] = QLCNIC_MS_RDDATA_UHI; + ms->wd[2] = QLCNIC_MS_WRTDATA_LO; + ms->wd[3] = QLCNIC_MS_WRTDATA_HI; + ms->rd[2] = QLCNIC_MS_RDDATA_LO; + ms->rd[3] = QLCNIC_MS_RDDATA_HI; + } + + ms->ocm_window = OCM_WIN_P3P(off); + ms->off = GET_MEM_OFFS_2M(off); +} + +int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data) +{ + int j, ret = 0; + u32 temp, off8; + struct qlcnic_ms_reg_ctrl ms; + + /* Only 64-bit aligned access */ + if (off & 7) + return -EIO; + + memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); + if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, + QLCNIC_ADDR_QDR_NET_MAX) || + ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, + QLCNIC_ADDR_DDR_NET_MAX))) + return -EIO; + + qlcnic_set_ms_controls(adapter, off, &ms); + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) + return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, + ms.off, &data, 1); + + off8 = off & ~0xf; + + mutex_lock(&adapter->ahw->mem_lock); + + qlcnic_ind_wr(adapter, ms.low, off8); + qlcnic_ind_wr(adapter, ms.hi, 0); + + qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); + qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = qlcnic_ind_rd(adapter, ms.control); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + ret = -EIO; + goto done; + } + + /* This is the modify part of read-modify-write */ + qlcnic_ind_wr(adapter, ms.wd[0], qlcnic_ind_rd(adapter, ms.rd[0])); + qlcnic_ind_wr(adapter, ms.wd[1], qlcnic_ind_rd(adapter, ms.rd[1])); + /* This is the write part of read-modify-write */ + qlcnic_ind_wr(adapter, ms.wd[2], data & 0xffffffff); + qlcnic_ind_wr(adapter, ms.wd[3], (data >> 32) & 0xffffffff); + + qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_ENABLE); + qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_WRITE_START); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = qlcnic_ind_rd(adapter, ms.control); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + if (printk_ratelimit()) + dev_err(&adapter->pdev->dev, + "failed to write through agent\n"); + ret = -EIO; + } else + ret = 0; + +done: + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) +{ + int j, ret; + u32 temp, off8; + u64 val; + struct qlcnic_ms_reg_ctrl ms; + + /* Only 64-bit aligned access */ + if (off & 7) + return -EIO; + if (!(ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET, + QLCNIC_ADDR_QDR_NET_MAX) || + ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, + QLCNIC_ADDR_DDR_NET_MAX))) + return -EIO; + + memset(&ms, 0, sizeof(struct qlcnic_ms_reg_ctrl)); + qlcnic_set_ms_controls(adapter, off, &ms); + + if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) + return qlcnic_pci_mem_access_direct(adapter, ms.ocm_window, + ms.off, data, 0); + + mutex_lock(&adapter->ahw->mem_lock); + + off8 = off & ~0xf; + + qlcnic_ind_wr(adapter, ms.low, off8); + qlcnic_ind_wr(adapter, ms.hi, 0); + + qlcnic_ind_wr(adapter, ms.control, TA_CTL_ENABLE); + qlcnic_ind_wr(adapter, ms.control, QLCNIC_TA_START_ENABLE); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + temp = qlcnic_ind_rd(adapter, ms.control); + if ((temp & TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + if (printk_ratelimit()) + dev_err(&adapter->pdev->dev, + "failed to read through agent\n"); + ret = -EIO; + } else { + + temp = qlcnic_ind_rd(adapter, ms.rd[3]); + val = (u64)temp << 32; + val |= qlcnic_ind_rd(adapter, ms.rd[2]); + *data = val; + ret = 0; + } + + mutex_unlock(&adapter->ahw->mem_lock); + + return ret; +} + +int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) +{ + int offset, board_type, magic, err = 0; + struct pci_dev *pdev = adapter->pdev; + + offset = QLCNIC_FW_MAGIC_OFFSET; + if (qlcnic_rom_fast_read(adapter, offset, &magic)) + return -EIO; + + if (magic != QLCNIC_BDINFO_MAGIC) { + dev_err(&pdev->dev, "invalid board config, magic=%08x\n", + magic); + return -EIO; + } + + offset = QLCNIC_BRDTYPE_OFFSET; + if (qlcnic_rom_fast_read(adapter, offset, &board_type)) + return -EIO; + + adapter->ahw->board_type = board_type; + + if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { + u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I, &err); + if (err == -EIO) + return err; + if ((gpio & 0x8000) == 0) + board_type = QLCNIC_BRDTYPE_P3P_10G_TP; + } + + switch (board_type) { + case QLCNIC_BRDTYPE_P3P_HMEZ: + case QLCNIC_BRDTYPE_P3P_XG_LOM: + case QLCNIC_BRDTYPE_P3P_10G_CX4: + case QLCNIC_BRDTYPE_P3P_10G_CX4_LP: + case QLCNIC_BRDTYPE_P3P_IMEZ: + case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS: + case QLCNIC_BRDTYPE_P3P_10G_SFP_CT: + case QLCNIC_BRDTYPE_P3P_10G_SFP_QT: + case QLCNIC_BRDTYPE_P3P_10G_XFP: + case QLCNIC_BRDTYPE_P3P_10000_BASE_T: + adapter->ahw->port_type = QLCNIC_XGBE; + break; + case QLCNIC_BRDTYPE_P3P_REF_QG: + case QLCNIC_BRDTYPE_P3P_4_GB: + case QLCNIC_BRDTYPE_P3P_4_GB_MM: + adapter->ahw->port_type = QLCNIC_GBE; + break; + case QLCNIC_BRDTYPE_P3P_10G_TP: + adapter->ahw->port_type = (adapter->portnum < 2) ? + QLCNIC_XGBE : QLCNIC_GBE; + break; + default: + dev_err(&pdev->dev, "unknown board type %x\n", board_type); + adapter->ahw->port_type = QLCNIC_XGBE; + break; + } + + return 0; +} + +static int +qlcnic_wol_supported(struct qlcnic_adapter *adapter) +{ + u32 wol_cfg; + int err = 0; + + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (wol_cfg & (1UL << adapter->portnum)) { + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; + if (wol_cfg & (1 << adapter->portnum)) + return 1; + } + + return 0; +} + +int qlcnic_82xx_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) +{ + struct qlcnic_nic_req req; + int rv; + u64 word; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + + word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(((u64)rate << 32) | adapter->portnum); + req.words[1] = cpu_to_le64(state); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv) + dev_err(&adapter->pdev->dev, "LED configuration failed.\n"); + + return rv; +} + +void qlcnic_82xx_get_beacon_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_cmd_args cmd; + u8 beacon_state; + int err = 0; + + if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_BEACON) { + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_GET_LED_STATUS); + if (!err) { + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + netdev_err(adapter->netdev, + "Failed to get current beacon state, err=%d\n", + err); + } else { + beacon_state = cmd.rsp.arg[1]; + if (beacon_state == QLCNIC_BEACON_DISABLE) + ahw->beacon_state = QLCNIC_BEACON_OFF; + else if (beacon_state == QLCNIC_BEACON_EANBLE) + ahw->beacon_state = QLCNIC_BEACON_ON; + } + } + qlcnic_free_mbx_args(&cmd); + } + + return; +} + +void qlcnic_82xx_get_func_no(struct qlcnic_adapter *adapter) +{ + void __iomem *msix_base_addr; + u32 func; + u32 msix_base; + + pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); + msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE; + msix_base = readl(msix_base_addr); + func = (func - msix_base) / QLCNIC_MSIX_TBL_PGSIZE; + adapter->ahw->pci_func = func; +} + +void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + int err = 0; + u32 data; + u64 qmdata; + + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { + qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); + memcpy(buf, &qmdata, size); + } else { + data = QLCRD32(adapter, offset, &err); + memcpy(buf, &data, size); + } +} + +void qlcnic_82xx_write_crb(struct qlcnic_adapter *adapter, char *buf, + loff_t offset, size_t size) +{ + u32 data; + u64 qmdata; + + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { + memcpy(&qmdata, buf, size); + qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); + } else { + memcpy(&data, buf, size); + QLCWR32(adapter, offset, data); + } +} + +int qlcnic_82xx_api_lock(struct qlcnic_adapter *adapter) +{ + return qlcnic_pcie_sem_lock(adapter, 5, 0); +} + +void qlcnic_82xx_api_unlock(struct qlcnic_adapter *adapter) +{ + qlcnic_pcie_sem_unlock(adapter, 5); +} + +int qlcnic_82xx_shutdown(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + + qlcnic_cancel_idc_work(adapter); + + if (netif_running(netdev)) + qlcnic_down(adapter, netdev); + + qlcnic_clr_all_drv_state(adapter, 0); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + + if (qlcnic_wol_supported(adapter)) + device_wakeup_enable(&pdev->dev); + + return 0; +} + +int qlcnic_82xx_resume(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err; + + err = qlcnic_start_firmware(adapter); + if (err) { + dev_err(&adapter->pdev->dev, "failed to start firmware\n"); + return err; + } + + if (netif_running(netdev)) { + err = qlcnic_up(adapter, netdev); + if (!err) + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + + netif_device_attach(netdev); + qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); + return err; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h new file mode 100644 index 000000000..601d22495 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h @@ -0,0 +1,226 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef __QLCNIC_HW_H +#define __QLCNIC_HW_H + +/* Common registers in 83xx and 82xx */ +enum qlcnic_regs { + QLCNIC_PEG_HALT_STATUS1 = 0, + QLCNIC_PEG_HALT_STATUS2, + QLCNIC_PEG_ALIVE_COUNTER, + QLCNIC_FLASH_LOCK_OWNER, + QLCNIC_FW_CAPABILITIES, + QLCNIC_CRB_DRV_ACTIVE, + QLCNIC_CRB_DEV_STATE, + QLCNIC_CRB_DRV_STATE, + QLCNIC_CRB_DRV_SCRATCH, + QLCNIC_CRB_DEV_PARTITION_INFO, + QLCNIC_CRB_DRV_IDC_VER, + QLCNIC_FW_VERSION_MAJOR, + QLCNIC_FW_VERSION_MINOR, + QLCNIC_FW_VERSION_SUB, + QLCNIC_CRB_DEV_NPAR_STATE, + QLCNIC_FW_IMG_VALID, + QLCNIC_CMDPEG_STATE, + QLCNIC_RCVPEG_STATE, + QLCNIC_ASIC_TEMP, + QLCNIC_FW_API, + QLCNIC_DRV_OP_MODE, + QLCNIC_FLASH_LOCK, + QLCNIC_FLASH_UNLOCK, +}; + +/* Read from an address offset from BAR0, existing registers */ +#define QLC_SHARED_REG_RD32(a, addr) \ + readl(((a)->ahw->pci_base0) + ((a)->ahw->reg_tbl[addr])) + +/* Write to an address offset from BAR0, existing registers */ +#define QLC_SHARED_REG_WR32(a, addr, value) \ + writel(value, ((a)->ahw->pci_base0) + ((a)->ahw->reg_tbl[addr])) + +/* Read from a direct address offset from BAR0, additional registers */ +#define QLCRDX(ahw, addr) \ + readl(((ahw)->pci_base0) + ((ahw)->ext_reg_tbl[addr])) + +/* Write to a direct address offset from BAR0, additional registers */ +#define QLCWRX(ahw, addr, value) \ + writel(value, (((ahw)->pci_base0) + ((ahw)->ext_reg_tbl[addr]))) + +#define QLCNIC_CMD_CONFIGURE_IP_ADDR 0x1 +#define QLCNIC_CMD_CONFIG_INTRPT 0x2 +#define QLCNIC_CMD_CREATE_RX_CTX 0x7 +#define QLCNIC_CMD_DESTROY_RX_CTX 0x8 +#define QLCNIC_CMD_CREATE_TX_CTX 0x9 +#define QLCNIC_CMD_DESTROY_TX_CTX 0xa +#define QLCNIC_CMD_CONFIGURE_LRO 0xC +#define QLCNIC_CMD_CONFIGURE_MAC_LEARNING 0xD +#define QLCNIC_CMD_GET_STATISTICS 0xF +#define QLCNIC_CMD_INTRPT_TEST 0x11 +#define QLCNIC_CMD_SET_MTU 0x12 +#define QLCNIC_CMD_READ_PHY 0x13 +#define QLCNIC_CMD_WRITE_PHY 0x14 +#define QLCNIC_CMD_READ_HW_REG 0x15 +#define QLCNIC_CMD_GET_FLOW_CTL 0x16 +#define QLCNIC_CMD_SET_FLOW_CTL 0x17 +#define QLCNIC_CMD_READ_MAX_MTU 0x18 +#define QLCNIC_CMD_READ_MAX_LRO 0x19 +#define QLCNIC_CMD_MAC_ADDRESS 0x1f +#define QLCNIC_CMD_GET_PCI_INFO 0x20 +#define QLCNIC_CMD_GET_NIC_INFO 0x21 +#define QLCNIC_CMD_SET_NIC_INFO 0x22 +#define QLCNIC_CMD_GET_ESWITCH_CAPABILITY 0x24 +#define QLCNIC_CMD_TOGGLE_ESWITCH 0x25 +#define QLCNIC_CMD_GET_ESWITCH_STATUS 0x26 +#define QLCNIC_CMD_SET_PORTMIRRORING 0x27 +#define QLCNIC_CMD_CONFIGURE_ESWITCH 0x28 +#define QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG 0x29 +#define QLCNIC_CMD_GET_ESWITCH_STATS 0x2a +#define QLCNIC_CMD_CONFIG_PORT 0x2e +#define QLCNIC_CMD_TEMP_SIZE 0x2f +#define QLCNIC_CMD_GET_TEMP_HDR 0x30 +#define QLCNIC_CMD_BC_EVENT_SETUP 0x31 +#define QLCNIC_CMD_CONFIG_VPORT 0x32 +#define QLCNIC_CMD_DCB_QUERY_CAP 0x34 +#define QLCNIC_CMD_DCB_QUERY_PARAM 0x35 +#define QLCNIC_CMD_GET_MAC_STATS 0x37 +#define QLCNIC_CMD_82XX_SET_DRV_VER 0x38 +#define QLCNIC_CMD_MQ_TX_CONFIG_INTR 0x39 +#define QLCNIC_CMD_GET_LED_STATUS 0x3C +#define QLCNIC_CMD_CONFIGURE_RSS 0x41 +#define QLCNIC_CMD_CONFIG_INTR_COAL 0x43 +#define QLCNIC_CMD_CONFIGURE_LED 0x44 +#define QLCNIC_CMD_CONFIG_MAC_VLAN 0x45 +#define QLCNIC_CMD_GET_LINK_EVENT 0x48 +#define QLCNIC_CMD_CONFIGURE_MAC_RX_MODE 0x49 +#define QLCNIC_CMD_CONFIGURE_HW_LRO 0x4A +#define QLCNIC_CMD_SET_INGRESS_ENCAP 0x4E +#define QLCNIC_CMD_INIT_NIC_FUNC 0x60 +#define QLCNIC_CMD_STOP_NIC_FUNC 0x61 +#define QLCNIC_CMD_IDC_ACK 0x63 +#define QLCNIC_CMD_SET_PORT_CONFIG 0x66 +#define QLCNIC_CMD_GET_PORT_CONFIG 0x67 +#define QLCNIC_CMD_GET_LINK_STATUS 0x68 +#define QLCNIC_CMD_SET_LED_CONFIG 0x69 +#define QLCNIC_CMD_GET_LED_CONFIG 0x6A +#define QLCNIC_CMD_83XX_SET_DRV_VER 0x6F +#define QLCNIC_CMD_ADD_RCV_RINGS 0x0B +#define QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP 0x37 + +#define QLCNIC_INTRPT_INTX 1 +#define QLCNIC_INTRPT_MSIX 3 +#define QLCNIC_INTRPT_ADD 1 +#define QLCNIC_INTRPT_DEL 2 + +#define QLCNIC_GET_CURRENT_MAC 1 +#define QLCNIC_SET_STATION_MAC 2 +#define QLCNIC_GET_DEFAULT_MAC 3 +#define QLCNIC_GET_FAC_DEF_MAC 4 +#define QLCNIC_SET_FAC_DEF_MAC 5 + +#define QLCNIC_MBX_LINK_EVENT 0x8001 +#define QLCNIC_MBX_BC_EVENT 0x8002 +#define QLCNIC_MBX_COMP_EVENT 0x8100 +#define QLCNIC_MBX_REQUEST_EVENT 0x8101 +#define QLCNIC_MBX_TIME_EXTEND_EVENT 0x8102 +#define QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT 0x8110 +#define QLCNIC_MBX_SFP_INSERT_EVENT 0x8130 +#define QLCNIC_MBX_SFP_REMOVE_EVENT 0x8131 + +struct qlcnic_mailbox_metadata { + u32 cmd; + u32 in_args; + u32 out_args; +}; + +/* Mailbox ownership */ +#define QLCNIC_GET_OWNER(val) ((val) & (BIT_0 | BIT_1)) + +#define QLCNIC_SET_OWNER 1 +#define QLCNIC_CLR_OWNER 0 +#define QLCNIC_MBX_TIMEOUT 5000 + +#define QLCNIC_MBX_RSP_OK 1 +#define QLCNIC_MBX_PORT_RSP_OK 0x1a +#define QLCNIC_MBX_ASYNC_EVENT BIT_15 + +/* Set HW Tx ring limit for 82xx adapter. */ +#define QLCNIC_MAX_HW_TX_RINGS 8 +#define QLCNIC_MAX_HW_VNIC_TX_RINGS 4 +#define QLCNIC_MAX_TX_RINGS 8 +#define QLCNIC_MAX_SDS_RINGS 8 + +struct qlcnic_pci_info; +struct qlcnic_info; +struct qlcnic_cmd_args; +struct ethtool_stats; +struct pci_device_id; +struct qlcnic_host_sds_ring; +struct qlcnic_host_tx_ring; +struct qlcnic_hardware_context; +struct qlcnic_adapter; +struct qlcnic_fw_dump; + +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong, int *); +int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *, ulong, u32); +int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int); +int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32); +int qlcnic_82xx_napi_add(struct qlcnic_adapter *adapter, + struct net_device *netdev); +void qlcnic_82xx_get_beacon_state(struct qlcnic_adapter *); +void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, + u64 *uaddr, u16 vlan_id, + struct qlcnic_host_tx_ring *tx_ring); +int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *, + struct ethtool_coalesce *); +int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *); +int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int); +void qlcnic_82xx_config_ipaddr(struct qlcnic_adapter *adapter, + __be32, int); +int qlcnic_82xx_linkevent_request(struct qlcnic_adapter *adapter, int); +void qlcnic_82xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring); +int qlcnic_82xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8); +int qlcnic_82xx_set_lb_mode(struct qlcnic_adapter *, u8); +void qlcnic_82xx_write_crb(struct qlcnic_adapter *, char *, loff_t, size_t); +void qlcnic_82xx_read_crb(struct qlcnic_adapter *, char *, loff_t, size_t); +int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *); +int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *, int); +int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *, u8); +int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *); +int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *tx_ring, int); +void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *); +void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *, + struct qlcnic_host_tx_ring *); +int qlcnic_82xx_sre_macaddr_change(struct qlcnic_adapter *, u8 *, u16, u8); +int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *, u8*, u8); +int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *, struct qlcnic_info *, u8); +int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *); +int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info*); +int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *, + struct qlcnic_adapter *, u32); +int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *, ulong, u32); +int qlcnic_82xx_get_board_info(struct qlcnic_adapter *); +int qlcnic_82xx_config_led(struct qlcnic_adapter *, u32, u32); +void qlcnic_82xx_get_func_no(struct qlcnic_adapter *); +int qlcnic_82xx_api_lock(struct qlcnic_adapter *); +void qlcnic_82xx_api_unlock(struct qlcnic_adapter *); +void qlcnic_82xx_napi_enable(struct qlcnic_adapter *); +void qlcnic_82xx_napi_disable(struct qlcnic_adapter *); +void qlcnic_82xx_napi_del(struct qlcnic_adapter *); +int qlcnic_82xx_shutdown(struct pci_dev *); +int qlcnic_82xx_resume(struct qlcnic_adapter *); +void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed); +void qlcnic_fw_poll_work(struct work_struct *work); + +u32 qlcnic_82xx_get_saved_state(void *, u32); +void qlcnic_82xx_set_saved_state(void *, u32, u32); +void qlcnic_82xx_cache_tmpl_hdr_values(struct qlcnic_fw_dump *); +u32 qlcnic_82xx_get_cap_size(void *, int); +void qlcnic_82xx_set_sys_info(void *, int, u32); +void qlcnic_82xx_store_cap_mask(void *, u32); +#endif /* __QLCNIC_HW_H_ */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c new file mode 100644 index 000000000..aa7ee43f9 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c @@ -0,0 +1,1304 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include "qlcnic.h" +#include "qlcnic_hw.h" + +struct crb_addr_pair { + u32 addr; + u32 data; +}; + +#define QLCNIC_MAX_CRB_XFORM 60 +static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM]; + +#define crb_addr_transform(name) \ + (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \ + QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20) + +#define QLCNIC_ADDR_ERROR (0xffffffff) + +static int +qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter); + +static void crb_addr_transform_setup(void) +{ + crb_addr_transform(XDMA); + crb_addr_transform(TIMR); + crb_addr_transform(SRE); + crb_addr_transform(SQN3); + crb_addr_transform(SQN2); + crb_addr_transform(SQN1); + crb_addr_transform(SQN0); + crb_addr_transform(SQS3); + crb_addr_transform(SQS2); + crb_addr_transform(SQS1); + crb_addr_transform(SQS0); + crb_addr_transform(RPMX7); + crb_addr_transform(RPMX6); + crb_addr_transform(RPMX5); + crb_addr_transform(RPMX4); + crb_addr_transform(RPMX3); + crb_addr_transform(RPMX2); + crb_addr_transform(RPMX1); + crb_addr_transform(RPMX0); + crb_addr_transform(ROMUSB); + crb_addr_transform(SN); + crb_addr_transform(QMN); + crb_addr_transform(QMS); + crb_addr_transform(PGNI); + crb_addr_transform(PGND); + crb_addr_transform(PGN3); + crb_addr_transform(PGN2); + crb_addr_transform(PGN1); + crb_addr_transform(PGN0); + crb_addr_transform(PGSI); + crb_addr_transform(PGSD); + crb_addr_transform(PGS3); + crb_addr_transform(PGS2); + crb_addr_transform(PGS1); + crb_addr_transform(PGS0); + crb_addr_transform(PS); + crb_addr_transform(PH); + crb_addr_transform(NIU); + crb_addr_transform(I2Q); + crb_addr_transform(EG); + crb_addr_transform(MN); + crb_addr_transform(MS); + crb_addr_transform(CAS2); + crb_addr_transform(CAS1); + crb_addr_transform(CAS0); + crb_addr_transform(CAM); + crb_addr_transform(C2C1); + crb_addr_transform(C2C0); + crb_addr_transform(SMB); + crb_addr_transform(OCM0); + crb_addr_transform(I2C0); +} + +void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_rx_buffer *rx_buf; + int i, ring; + + recv_ctx = adapter->recv_ctx; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + for (i = 0; i < rds_ring->num_desc; ++i) { + rx_buf = &(rds_ring->rx_buf_arr[i]); + if (rx_buf->skb == NULL) + continue; + + pci_unmap_single(adapter->pdev, + rx_buf->dma, + rds_ring->dma_size, + PCI_DMA_FROMDEVICE); + + dev_kfree_skb_any(rx_buf->skb); + } + } +} + +void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_rx_buffer *rx_buf; + int i, ring; + + recv_ctx = adapter->recv_ctx; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + + INIT_LIST_HEAD(&rds_ring->free_list); + + rx_buf = rds_ring->rx_buf_arr; + for (i = 0; i < rds_ring->num_desc; i++) { + list_add_tail(&rx_buf->list, + &rds_ring->free_list); + rx_buf++; + } + } +} + +void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring) +{ + struct qlcnic_cmd_buffer *cmd_buf; + struct qlcnic_skb_frag *buffrag; + int i, j; + + spin_lock(&tx_ring->tx_clean_lock); + + cmd_buf = tx_ring->cmd_buf_arr; + for (i = 0; i < tx_ring->num_desc; i++) { + buffrag = cmd_buf->frag_array; + if (buffrag->dma) { + pci_unmap_single(adapter->pdev, buffrag->dma, + buffrag->length, PCI_DMA_TODEVICE); + buffrag->dma = 0ULL; + } + for (j = 1; j < cmd_buf->frag_count; j++) { + buffrag++; + if (buffrag->dma) { + pci_unmap_page(adapter->pdev, buffrag->dma, + buffrag->length, + PCI_DMA_TODEVICE); + buffrag->dma = 0ULL; + } + } + if (cmd_buf->skb) { + dev_kfree_skb_any(cmd_buf->skb); + cmd_buf->skb = NULL; + } + cmd_buf++; + } + + spin_unlock(&tx_ring->tx_clean_lock); +} + +void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + int ring; + + recv_ctx = adapter->recv_ctx; + + if (recv_ctx->rds_rings == NULL) + return; + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + vfree(rds_ring->rx_buf_arr); + rds_ring->rx_buf_arr = NULL; + } + kfree(recv_ctx->rds_rings); +} + +int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_rx_buffer *rx_buf; + int ring, i; + + recv_ctx = adapter->recv_ctx; + + rds_ring = kcalloc(adapter->max_rds_rings, + sizeof(struct qlcnic_host_rds_ring), GFP_KERNEL); + if (rds_ring == NULL) + goto err_out; + + recv_ctx->rds_rings = rds_ring; + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + switch (ring) { + case RCV_RING_NORMAL: + rds_ring->num_desc = adapter->num_rxd; + rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN; + rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; + break; + + case RCV_RING_JUMBO: + rds_ring->num_desc = adapter->num_jumbo_rxd; + rds_ring->dma_size = + QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN; + + if (adapter->ahw->capabilities & + QLCNIC_FW_CAPABILITY_HW_LRO) + rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA; + + rds_ring->skb_size = + rds_ring->dma_size + NET_IP_ALIGN; + break; + } + rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring)); + if (rds_ring->rx_buf_arr == NULL) + goto err_out; + + INIT_LIST_HEAD(&rds_ring->free_list); + /* + * Now go through all of them, set reference handles + * and put them in the queues. + */ + rx_buf = rds_ring->rx_buf_arr; + for (i = 0; i < rds_ring->num_desc; i++) { + list_add_tail(&rx_buf->list, + &rds_ring->free_list); + rx_buf->ref_handle = i; + rx_buf++; + } + spin_lock_init(&rds_ring->lock); + } + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + sds_ring->irq = adapter->msix_entries[ring].vector; + sds_ring->adapter = adapter; + sds_ring->num_desc = adapter->num_rxd; + if (qlcnic_82xx_check(adapter)) { + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) + sds_ring->tx_ring = &adapter->tx_ring[ring]; + else + sds_ring->tx_ring = &adapter->tx_ring[0]; + } + for (i = 0; i < NUM_RCV_DESC_RINGS; i++) + INIT_LIST_HEAD(&sds_ring->free_list[i]); + } + + return 0; + +err_out: + qlcnic_free_sw_resources(adapter); + return -ENOMEM; +} + +/* + * Utility to translate from internal Phantom CRB address + * to external PCI CRB address. + */ +static u32 qlcnic_decode_crb_addr(u32 addr) +{ + int i; + u32 base_addr, offset, pci_base; + + crb_addr_transform_setup(); + + pci_base = QLCNIC_ADDR_ERROR; + base_addr = addr & 0xfff00000; + offset = addr & 0x000fffff; + + for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) { + if (crb_addr_xform[i] == base_addr) { + pci_base = i << 20; + break; + } + } + if (pci_base == QLCNIC_ADDR_ERROR) + return pci_base; + else + return pci_base + offset; +} + +#define QLCNIC_MAX_ROM_WAIT_USEC 100 + +static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) +{ + long timeout = 0; + long done = 0; + int err = 0; + + cond_resched(); + while (done == 0) { + done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err); + done &= 2; + if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { + dev_err(&adapter->pdev->dev, + "Timeout reached waiting for rom done"); + return -EIO; + } + udelay(1); + } + return 0; +} + +static int do_rom_fast_read(struct qlcnic_adapter *adapter, + u32 addr, u32 *valp) +{ + int err = 0; + + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb); + if (qlcnic_wait_rom_done(adapter)) { + dev_err(&adapter->pdev->dev, "Error waiting for rom done\n"); + return -EIO; + } + /* reset abyte_cnt and dummy_byte_cnt */ + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0); + udelay(10); + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); + + *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err); + if (err == -EIO) + return err; + return 0; +} + +static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, + u8 *bytes, size_t size) +{ + int addridx; + int ret = 0; + + for (addridx = addr; addridx < (addr + size); addridx += 4) { + int v; + ret = do_rom_fast_read(adapter, addridx, &v); + if (ret != 0) + break; + *(__le32 *)bytes = cpu_to_le32(v); + bytes += 4; + } + + return ret; +} + +int +qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, + u8 *bytes, size_t size) +{ + int ret; + + ret = qlcnic_rom_lock(adapter); + if (ret < 0) + return ret; + + ret = do_rom_fast_read_words(adapter, addr, bytes, size); + + qlcnic_rom_unlock(adapter); + return ret; +} + +int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) +{ + int ret; + + if (qlcnic_rom_lock(adapter) != 0) + return -EIO; + + ret = do_rom_fast_read(adapter, addr, valp); + qlcnic_rom_unlock(adapter); + return ret; +} + +int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) +{ + int addr, err = 0; + int i, n, init_delay; + struct crb_addr_pair *buf; + unsigned offset; + u32 off, val; + struct pci_dev *pdev = adapter->pdev; + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0); + QLC_SHARED_REG_WR32(adapter, QLCNIC_RCVPEG_STATE, 0); + + /* Halt all the indiviual PEGs and other blocks */ + /* disable all I2Q */ + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x10, 0x0); + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x14, 0x0); + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x18, 0x0); + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x1c, 0x0); + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x20, 0x0); + QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x24, 0x0); + + /* disable all niu interrupts */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0x40, 0xff); + /* disable xge rx/tx */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0x70000, 0x00); + /* disable xg1 rx/tx */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0x80000, 0x00); + /* disable sideband mac */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0x90000, 0x00); + /* disable ap0 mac */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0xa0000, 0x00); + /* disable ap1 mac */ + QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00); + + /* halt sre */ + val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err); + if (err == -EIO) + return err; + QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1))); + + /* halt epg */ + QLCWR32(adapter, QLCNIC_CRB_EPG + 0x1300, 0x1); + + /* halt timers */ + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x0, 0x0); + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x8, 0x0); + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x10, 0x0); + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x18, 0x0); + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x100, 0x0); + QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x200, 0x0); + /* halt pegs */ + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, 1); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, 1); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, 1); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, 1); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1); + msleep(20); + + /* big hammer don't reset CAM block on reset */ + QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff); + + /* Init HW CRB block */ + if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || + qlcnic_rom_fast_read(adapter, 4, &n) != 0) { + dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); + return -EIO; + } + offset = n & 0xffffU; + n = (n >> 16) & 0xffffU; + + if (n >= 1024) { + dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n"); + return -EIO; + } + + buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + for (i = 0; i < n; i++) { + if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || + qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { + kfree(buf); + return -EIO; + } + + buf[i].addr = addr; + buf[i].data = val; + } + + for (i = 0; i < n; i++) { + + off = qlcnic_decode_crb_addr(buf[i].addr); + if (off == QLCNIC_ADDR_ERROR) { + dev_err(&pdev->dev, "CRB init value out of range %x\n", + buf[i].addr); + continue; + } + off += QLCNIC_PCI_CRBSPACE; + + if (off & 1) + continue; + + /* skipping cold reboot MAGIC */ + if (off == QLCNIC_CAM_RAM(0x1fc)) + continue; + if (off == (QLCNIC_CRB_I2C0 + 0x1c)) + continue; + if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */ + continue; + if (off == (ROMUSB_GLB + 0xa8)) + continue; + if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ + continue; + if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ + continue; + if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ + continue; + if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET) + continue; + /* skip the function enable register */ + if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION)) + continue; + if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2)) + continue; + if ((off & 0x0ff00000) == QLCNIC_CRB_SMB) + continue; + + init_delay = 1; + /* After writing this register, HW needs time for CRB */ + /* to quiet down (else crb_window returns 0xffffffff) */ + if (off == QLCNIC_ROMUSB_GLB_SW_RESET) + init_delay = 1000; + + QLCWR32(adapter, off, buf[i].data); + + msleep(init_delay); + } + kfree(buf); + + /* Initialize protocol process engine */ + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0); + usleep_range(1000, 1500); + + QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); + QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); + + return 0; +} + +static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) +{ + u32 val; + int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; + + do { + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE); + + switch (val) { + case PHAN_INITIALIZE_COMPLETE: + case PHAN_INITIALIZE_ACK: + return 0; + case PHAN_INITIALIZE_FAILED: + goto out_err; + default: + break; + } + + msleep(QLCNIC_CMDPEG_CHECK_DELAY); + + } while (--retries); + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, + PHAN_INITIALIZE_FAILED); + +out_err: + dev_err(&adapter->pdev->dev, "Command Peg initialization not " + "complete, state: 0x%x.\n", val); + return -EIO; +} + +static int +qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) +{ + u32 val; + int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT; + + do { + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE); + + if (val == PHAN_PEG_RCV_INITIALIZED) + return 0; + + msleep(QLCNIC_RCVPEG_CHECK_DELAY); + + } while (--retries); + + dev_err(&adapter->pdev->dev, "Receive Peg initialization not complete, state: 0x%x.\n", + val); + return -EIO; +} + +int +qlcnic_check_fw_status(struct qlcnic_adapter *adapter) +{ + int err; + + err = qlcnic_cmd_peg_ready(adapter); + if (err) + return err; + + err = qlcnic_receive_peg_ready(adapter); + if (err) + return err; + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK); + + return err; +} + +int +qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) { + + int timeo; + u32 val; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO); + val = QLC_DEV_GET_DRV(val, adapter->portnum); + if ((val & 0x3) != QLCNIC_TYPE_NIC) { + dev_err(&adapter->pdev->dev, + "Not an Ethernet NIC func=%u\n", val); + return -EIO; + } + adapter->ahw->physical_port = (val >> 2); + if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo)) + timeo = QLCNIC_INIT_TIMEOUT_SECS; + + adapter->dev_init_timeo = timeo; + + if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo)) + timeo = QLCNIC_RESET_TIMEOUT_SECS; + + adapter->reset_ack_timeo = timeo; + + return 0; +} + +static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region, + struct qlcnic_flt_entry *region_entry) +{ + struct qlcnic_flt_header flt_hdr; + struct qlcnic_flt_entry *flt_entry; + int i = 0, ret; + u32 entry_size; + + memset(region_entry, 0, sizeof(struct qlcnic_flt_entry)); + ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION, + (u8 *)&flt_hdr, + sizeof(struct qlcnic_flt_header)); + if (ret) { + dev_warn(&adapter->pdev->dev, + "error reading flash layout header\n"); + return -EIO; + } + + entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header); + flt_entry = vzalloc(entry_size); + if (flt_entry == NULL) + return -EIO; + + ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION + + sizeof(struct qlcnic_flt_header), + (u8 *)flt_entry, entry_size); + if (ret) { + dev_warn(&adapter->pdev->dev, + "error reading flash layout entries\n"); + goto err_out; + } + + while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) { + if (flt_entry[i].region == region) + break; + i++; + } + if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) { + dev_warn(&adapter->pdev->dev, + "region=%x not found in %d regions\n", region, i); + ret = -EIO; + goto err_out; + } + memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry)); + +err_out: + vfree(flt_entry); + return ret; +} + +int +qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) +{ + struct qlcnic_flt_entry fw_entry; + u32 ver = -1, min_ver; + int ret; + + if (adapter->ahw->revision_id == QLCNIC_P3P_C0) + ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION, + &fw_entry); + else + ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION, + &fw_entry); + + if (!ret) + /* 0-4:-signature, 4-8:-fw version */ + qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4, + (int *)&ver); + else + qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, + (int *)&ver); + + ver = QLCNIC_DECODE_VERSION(ver); + min_ver = QLCNIC_MIN_FW_VERSION; + + if (ver < min_ver) { + dev_err(&adapter->pdev->dev, + "firmware version %d.%d.%d unsupported." + "Min supported version %d.%d.%d\n", + _major(ver), _minor(ver), _build(ver), + _major(min_ver), _minor(min_ver), _build(min_ver)); + return -EINVAL; + } + + return 0; +} + +static int +qlcnic_has_mn(struct qlcnic_adapter *adapter) +{ + u32 capability = 0; + int err = 0; + + capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err); + if (err == -EIO) + return err; + if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) + return 1; + + return 0; +} + +static +struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section) +{ + u32 i, entries; + struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; + entries = le32_to_cpu(directory->num_entries); + + for (i = 0; i < entries; i++) { + + u32 offs = le32_to_cpu(directory->findex) + + i * le32_to_cpu(directory->entry_size); + u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8)); + + if (tab_type == section) + return (struct uni_table_desc *) &unirom[offs]; + } + + return NULL; +} + +#define FILEHEADER_SIZE (14 * 4) + +static int +qlcnic_validate_header(struct qlcnic_adapter *adapter) +{ + const u8 *unirom = adapter->fw->data; + struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; + u32 entries, entry_size, tab_size, fw_file_size; + + fw_file_size = adapter->fw->size; + + if (fw_file_size < FILEHEADER_SIZE) + return -EINVAL; + + entries = le32_to_cpu(directory->num_entries); + entry_size = le32_to_cpu(directory->entry_size); + tab_size = le32_to_cpu(directory->findex) + (entries * entry_size); + + if (fw_file_size < tab_size) + return -EINVAL; + + return 0; +} + +static int +qlcnic_validate_bootld(struct qlcnic_adapter *adapter) +{ + struct uni_table_desc *tab_desc; + struct uni_data_desc *descr; + u32 offs, tab_size, data_size, idx; + const u8 *unirom = adapter->fw->data; + __le32 temp; + + temp = *((__le32 *)&unirom[adapter->file_prd_off] + + QLCNIC_UNI_BOOTLD_IDX_OFF); + idx = le32_to_cpu(temp); + tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD); + + if (!tab_desc) + return -EINVAL; + + tab_size = le32_to_cpu(tab_desc->findex) + + le32_to_cpu(tab_desc->entry_size) * (idx + 1); + + if (adapter->fw->size < tab_size) + return -EINVAL; + + offs = le32_to_cpu(tab_desc->findex) + + le32_to_cpu(tab_desc->entry_size) * idx; + descr = (struct uni_data_desc *)&unirom[offs]; + + data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size); + + if (adapter->fw->size < data_size) + return -EINVAL; + + return 0; +} + +static int +qlcnic_validate_fw(struct qlcnic_adapter *adapter) +{ + struct uni_table_desc *tab_desc; + struct uni_data_desc *descr; + const u8 *unirom = adapter->fw->data; + u32 offs, tab_size, data_size, idx; + __le32 temp; + + temp = *((__le32 *)&unirom[adapter->file_prd_off] + + QLCNIC_UNI_FIRMWARE_IDX_OFF); + idx = le32_to_cpu(temp); + tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW); + + if (!tab_desc) + return -EINVAL; + + tab_size = le32_to_cpu(tab_desc->findex) + + le32_to_cpu(tab_desc->entry_size) * (idx + 1); + + if (adapter->fw->size < tab_size) + return -EINVAL; + + offs = le32_to_cpu(tab_desc->findex) + + le32_to_cpu(tab_desc->entry_size) * idx; + descr = (struct uni_data_desc *)&unirom[offs]; + data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size); + + if (adapter->fw->size < data_size) + return -EINVAL; + + return 0; +} + +static int +qlcnic_validate_product_offs(struct qlcnic_adapter *adapter) +{ + struct uni_table_desc *ptab_descr; + const u8 *unirom = adapter->fw->data; + int mn_present = qlcnic_has_mn(adapter); + u32 entries, entry_size, tab_size, i; + __le32 temp; + + ptab_descr = qlcnic_get_table_desc(unirom, + QLCNIC_UNI_DIR_SECT_PRODUCT_TBL); + if (!ptab_descr) + return -EINVAL; + + entries = le32_to_cpu(ptab_descr->num_entries); + entry_size = le32_to_cpu(ptab_descr->entry_size); + tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size); + + if (adapter->fw->size < tab_size) + return -EINVAL; + +nomn: + for (i = 0; i < entries; i++) { + + u32 flags, file_chiprev, offs; + u8 chiprev = adapter->ahw->revision_id; + u32 flagbit; + + offs = le32_to_cpu(ptab_descr->findex) + + i * le32_to_cpu(ptab_descr->entry_size); + temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF); + flags = le32_to_cpu(temp); + temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF); + file_chiprev = le32_to_cpu(temp); + + flagbit = mn_present ? 1 : 2; + + if ((chiprev == file_chiprev) && + ((1ULL << flagbit) & flags)) { + adapter->file_prd_off = offs; + return 0; + } + } + if (mn_present) { + mn_present = 0; + goto nomn; + } + return -EINVAL; +} + +static int +qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter) +{ + if (qlcnic_validate_header(adapter)) { + dev_err(&adapter->pdev->dev, + "unified image: header validation failed\n"); + return -EINVAL; + } + + if (qlcnic_validate_product_offs(adapter)) { + dev_err(&adapter->pdev->dev, + "unified image: product validation failed\n"); + return -EINVAL; + } + + if (qlcnic_validate_bootld(adapter)) { + dev_err(&adapter->pdev->dev, + "unified image: bootld validation failed\n"); + return -EINVAL; + } + + if (qlcnic_validate_fw(adapter)) { + dev_err(&adapter->pdev->dev, + "unified image: firmware validation failed\n"); + return -EINVAL; + } + + return 0; +} + +static +struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter, + u32 section, u32 idx_offset) +{ + const u8 *unirom = adapter->fw->data; + struct uni_table_desc *tab_desc; + u32 offs, idx; + __le32 temp; + + temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset); + idx = le32_to_cpu(temp); + + tab_desc = qlcnic_get_table_desc(unirom, section); + + if (tab_desc == NULL) + return NULL; + + offs = le32_to_cpu(tab_desc->findex) + + le32_to_cpu(tab_desc->entry_size) * idx; + + return (struct uni_data_desc *)&unirom[offs]; +} + +static u8 * +qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter) +{ + u32 offs = QLCNIC_BOOTLD_START; + struct uni_data_desc *data_desc; + + data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD, + QLCNIC_UNI_BOOTLD_IDX_OFF); + + if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) + offs = le32_to_cpu(data_desc->findex); + + return (u8 *)&adapter->fw->data[offs]; +} + +static u8 * +qlcnic_get_fw_offs(struct qlcnic_adapter *adapter) +{ + u32 offs = QLCNIC_IMAGE_START; + struct uni_data_desc *data_desc; + + data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, + QLCNIC_UNI_FIRMWARE_IDX_OFF); + if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) + offs = le32_to_cpu(data_desc->findex); + + return (u8 *)&adapter->fw->data[offs]; +} + +static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter) +{ + struct uni_data_desc *data_desc; + const u8 *unirom = adapter->fw->data; + + data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, + QLCNIC_UNI_FIRMWARE_IDX_OFF); + + if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) + return le32_to_cpu(data_desc->size); + else + return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]); +} + +static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter) +{ + struct uni_data_desc *fw_data_desc; + const struct firmware *fw = adapter->fw; + u32 major, minor, sub; + __le32 version_offset; + const u8 *ver_str; + int i, ret; + + if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) { + version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]; + return le32_to_cpu(version_offset); + } + + fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, + QLCNIC_UNI_FIRMWARE_IDX_OFF); + ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) + + le32_to_cpu(fw_data_desc->size) - 17; + + for (i = 0; i < 12; i++) { + if (!strncmp(&ver_str[i], "REV=", 4)) { + ret = sscanf(&ver_str[i+4], "%u.%u.%u ", + &major, &minor, &sub); + if (ret != 3) + return 0; + else + return major + (minor << 8) + (sub << 16); + } + } + + return 0; +} + +static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter) +{ + const struct firmware *fw = adapter->fw; + u32 bios_ver, prd_off = adapter->file_prd_off; + u8 *version_offset; + __le32 temp; + + if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) { + version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]; + return le32_to_cpu(*(__le32 *)version_offset); + } + + temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF); + bios_ver = le32_to_cpu(temp); + + return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); +} + +static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) +{ + if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID)) + dev_info(&adapter->pdev->dev, "Resetting rom_lock\n"); + + qlcnic_pcie_sem_unlock(adapter, 2); +} + +static int +qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter) +{ + u32 heartbeat, ret = -EIO; + int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; + + adapter->heartbeat = QLC_SHARED_REG_RD32(adapter, + QLCNIC_PEG_ALIVE_COUNTER); + + do { + msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); + heartbeat = QLC_SHARED_REG_RD32(adapter, + QLCNIC_PEG_ALIVE_COUNTER); + if (heartbeat != adapter->heartbeat) { + ret = QLCNIC_RCODE_SUCCESS; + break; + } + } while (--retries); + + return ret; +} + +int +qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) +{ + if ((adapter->flags & QLCNIC_FW_HANG) || + qlcnic_check_fw_hearbeat(adapter)) { + qlcnic_rom_lock_recovery(adapter); + return 1; + } + + if (adapter->need_fw_reset) + return 1; + + if (adapter->fw) + return 1; + + return 0; +} + +static const char *fw_name[] = { + QLCNIC_UNIFIED_ROMIMAGE_NAME, + QLCNIC_FLASH_ROMIMAGE_NAME, +}; + +int +qlcnic_load_firmware(struct qlcnic_adapter *adapter) +{ + __le64 *ptr64; + u32 i, flashaddr, size; + const struct firmware *fw = adapter->fw; + struct pci_dev *pdev = adapter->pdev; + + dev_info(&pdev->dev, "loading firmware from %s\n", + fw_name[adapter->ahw->fw_type]); + + if (fw) { + u64 data; + + size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; + + ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter); + flashaddr = QLCNIC_BOOTLD_START; + + for (i = 0; i < size; i++) { + data = le64_to_cpu(ptr64[i]); + + if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) + return -EIO; + + flashaddr += 8; + } + + size = qlcnic_get_fw_size(adapter) / 8; + + ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter); + flashaddr = QLCNIC_IMAGE_START; + + for (i = 0; i < size; i++) { + data = le64_to_cpu(ptr64[i]); + + if (qlcnic_pci_mem_write_2M(adapter, + flashaddr, data)) + return -EIO; + + flashaddr += 8; + } + + size = qlcnic_get_fw_size(adapter) % 8; + if (size) { + data = le64_to_cpu(ptr64[i]); + + if (qlcnic_pci_mem_write_2M(adapter, + flashaddr, data)) + return -EIO; + } + + } else { + u64 data; + u32 hi, lo; + int ret; + struct qlcnic_flt_entry bootld_entry; + + ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION, + &bootld_entry); + if (!ret) { + size = bootld_entry.size / 8; + flashaddr = bootld_entry.start_addr; + } else { + size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; + flashaddr = QLCNIC_BOOTLD_START; + dev_info(&pdev->dev, + "using legacy method to get flash fw region"); + } + + for (i = 0; i < size; i++) { + if (qlcnic_rom_fast_read(adapter, + flashaddr, (int *)&lo) != 0) + return -EIO; + if (qlcnic_rom_fast_read(adapter, + flashaddr + 4, (int *)&hi) != 0) + return -EIO; + + data = (((u64)hi << 32) | lo); + + if (qlcnic_pci_mem_write_2M(adapter, + flashaddr, data)) + return -EIO; + + flashaddr += 8; + } + } + usleep_range(1000, 1500); + + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020); + QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e); + return 0; +} + +static int +qlcnic_validate_firmware(struct qlcnic_adapter *adapter) +{ + u32 val; + u32 ver, bios, min_size; + struct pci_dev *pdev = adapter->pdev; + const struct firmware *fw = adapter->fw; + u8 fw_type = adapter->ahw->fw_type; + + if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) { + if (qlcnic_validate_unified_romimage(adapter)) + return -EINVAL; + + min_size = QLCNIC_UNI_FW_MIN_SIZE; + } else { + val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]); + if (val != QLCNIC_BDINFO_MAGIC) + return -EINVAL; + + min_size = QLCNIC_FW_MIN_SIZE; + } + + if (fw->size < min_size) + return -EINVAL; + + val = qlcnic_get_fw_version(adapter); + ver = QLCNIC_DECODE_VERSION(val); + + if (ver < QLCNIC_MIN_FW_VERSION) { + dev_err(&pdev->dev, + "%s: firmware version %d.%d.%d unsupported\n", + fw_name[fw_type], _major(ver), _minor(ver), _build(ver)); + return -EINVAL; + } + + val = qlcnic_get_bios_version(adapter); + qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios); + if (val != bios) { + dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", + fw_name[fw_type]); + return -EINVAL; + } + + QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC); + return 0; +} + +static void +qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter) +{ + u8 fw_type; + + switch (adapter->ahw->fw_type) { + case QLCNIC_UNKNOWN_ROMIMAGE: + fw_type = QLCNIC_UNIFIED_ROMIMAGE; + break; + + case QLCNIC_UNIFIED_ROMIMAGE: + default: + fw_type = QLCNIC_FLASH_ROMIMAGE; + break; + } + + adapter->ahw->fw_type = fw_type; +} + + + +void qlcnic_request_firmware(struct qlcnic_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + int rc; + + adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE; + +next: + qlcnic_get_next_fwtype(adapter); + + if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) { + adapter->fw = NULL; + } else { + rc = request_firmware(&adapter->fw, + fw_name[adapter->ahw->fw_type], + &pdev->dev); + if (rc != 0) + goto next; + + rc = qlcnic_validate_firmware(adapter); + if (rc != 0) { + release_firmware(adapter->fw); + usleep_range(1000, 1500); + goto next; + } + } +} + + +void +qlcnic_release_firmware(struct qlcnic_adapter *adapter) +{ + release_firmware(adapter->fw); + adapter->fw = NULL; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c new file mode 100644 index 000000000..7260e57d7 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -0,0 +1,2231 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/netdevice.h> +#include <linux/if_vlan.h> +#include <net/ip.h> +#include <linux/ipv6.h> +#include <net/checksum.h> +#include <linux/printk.h> + +#include "qlcnic.h" + +#define QLCNIC_TX_ETHER_PKT 0x01 +#define QLCNIC_TX_TCP_PKT 0x02 +#define QLCNIC_TX_UDP_PKT 0x03 +#define QLCNIC_TX_IP_PKT 0x04 +#define QLCNIC_TX_TCP_LSO 0x05 +#define QLCNIC_TX_TCP_LSO6 0x06 +#define QLCNIC_TX_ENCAP_PKT 0x07 +#define QLCNIC_TX_ENCAP_LSO 0x08 +#define QLCNIC_TX_TCPV6_PKT 0x0b +#define QLCNIC_TX_UDPV6_PKT 0x0c + +#define QLCNIC_FLAGS_VLAN_TAGGED 0x10 +#define QLCNIC_FLAGS_VLAN_OOB 0x40 + +#define qlcnic_set_tx_vlan_tci(cmd_desc, v) \ + (cmd_desc)->vlan_TCI = cpu_to_le16(v); +#define qlcnic_set_cmd_desc_port(cmd_desc, var) \ + ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) +#define qlcnic_set_cmd_desc_ctxid(cmd_desc, var) \ + ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0)) + +#define qlcnic_set_tx_port(_desc, _port) \ + ((_desc)->port_ctxid = ((_port) & 0xf) | (((_port) << 4) & 0xf0)) + +#define qlcnic_set_tx_flags_opcode(_desc, _flags, _opcode) \ + ((_desc)->flags_opcode |= \ + cpu_to_le16(((_flags) & 0x7f) | (((_opcode) & 0x3f) << 7))) + +#define qlcnic_set_tx_frags_len(_desc, _frags, _len) \ + ((_desc)->nfrags__length = \ + cpu_to_le32(((_frags) & 0xff) | (((_len) & 0xffffff) << 8))) + +/* owner bits of status_desc */ +#define STATUS_OWNER_HOST (0x1ULL << 56) +#define STATUS_OWNER_PHANTOM (0x2ULL << 56) + +/* Status descriptor: + 0-3 port, 4-7 status, 8-11 type, 12-27 total_length + 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset + 53-55 desc_cnt, 56-57 owner, 58-63 opcode + */ +#define qlcnic_get_sts_port(sts_data) \ + ((sts_data) & 0x0F) +#define qlcnic_get_sts_status(sts_data) \ + (((sts_data) >> 4) & 0x0F) +#define qlcnic_get_sts_type(sts_data) \ + (((sts_data) >> 8) & 0x0F) +#define qlcnic_get_sts_totallength(sts_data) \ + (((sts_data) >> 12) & 0xFFFF) +#define qlcnic_get_sts_refhandle(sts_data) \ + (((sts_data) >> 28) & 0xFFFF) +#define qlcnic_get_sts_prot(sts_data) \ + (((sts_data) >> 44) & 0x0F) +#define qlcnic_get_sts_pkt_offset(sts_data) \ + (((sts_data) >> 48) & 0x1F) +#define qlcnic_get_sts_desc_cnt(sts_data) \ + (((sts_data) >> 53) & 0x7) +#define qlcnic_get_sts_opcode(sts_data) \ + (((sts_data) >> 58) & 0x03F) + +#define qlcnic_get_lro_sts_refhandle(sts_data) \ + ((sts_data) & 0x07FFF) +#define qlcnic_get_lro_sts_length(sts_data) \ + (((sts_data) >> 16) & 0x0FFFF) +#define qlcnic_get_lro_sts_l2_hdr_offset(sts_data) \ + (((sts_data) >> 32) & 0x0FF) +#define qlcnic_get_lro_sts_l4_hdr_offset(sts_data) \ + (((sts_data) >> 40) & 0x0FF) +#define qlcnic_get_lro_sts_timestamp(sts_data) \ + (((sts_data) >> 48) & 0x1) +#define qlcnic_get_lro_sts_type(sts_data) \ + (((sts_data) >> 49) & 0x7) +#define qlcnic_get_lro_sts_push_flag(sts_data) \ + (((sts_data) >> 52) & 0x1) +#define qlcnic_get_lro_sts_seq_number(sts_data) \ + ((sts_data) & 0x0FFFFFFFF) +#define qlcnic_get_lro_sts_mss(sts_data1) \ + ((sts_data1 >> 32) & 0x0FFFF) + +#define qlcnic_83xx_get_lro_sts_mss(sts) ((sts) & 0xffff) + +/* opcode field in status_desc */ +#define QLCNIC_SYN_OFFLOAD 0x03 +#define QLCNIC_RXPKT_DESC 0x04 +#define QLCNIC_OLD_RXPKT_DESC 0x3f +#define QLCNIC_RESPONSE_DESC 0x05 +#define QLCNIC_LRO_DESC 0x12 + +#define QLCNIC_TCP_HDR_SIZE 20 +#define QLCNIC_TCP_TS_OPTION_SIZE 12 +#define QLCNIC_FETCH_RING_ID(handle) ((handle) >> 63) +#define QLCNIC_DESC_OWNER_FW cpu_to_le64(STATUS_OWNER_PHANTOM) + +#define QLCNIC_TCP_TS_HDR_SIZE (QLCNIC_TCP_HDR_SIZE + QLCNIC_TCP_TS_OPTION_SIZE) + +/* for status field in status_desc */ +#define STATUS_CKSUM_LOOP 0 +#define STATUS_CKSUM_OK 2 + +#define qlcnic_83xx_pktln(sts) ((sts >> 32) & 0x3FFF) +#define qlcnic_83xx_hndl(sts) ((sts >> 48) & 0x7FFF) +#define qlcnic_83xx_csum_status(sts) ((sts >> 39) & 7) +#define qlcnic_83xx_opcode(sts) ((sts >> 42) & 0xF) +#define qlcnic_83xx_vlan_tag(sts) (((sts) >> 48) & 0xFFFF) +#define qlcnic_83xx_lro_pktln(sts) (((sts) >> 32) & 0x3FFF) +#define qlcnic_83xx_l2_hdr_off(sts) (((sts) >> 16) & 0xFF) +#define qlcnic_83xx_l4_hdr_off(sts) (((sts) >> 24) & 0xFF) +#define qlcnic_83xx_pkt_cnt(sts) (((sts) >> 16) & 0x7) +#define qlcnic_83xx_is_tstamp(sts) (((sts) >> 40) & 1) +#define qlcnic_83xx_is_psh_bit(sts) (((sts) >> 41) & 1) +#define qlcnic_83xx_is_ip_align(sts) (((sts) >> 46) & 1) +#define qlcnic_83xx_has_vlan_tag(sts) (((sts) >> 47) & 1) + +static int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, + int max); + +static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *, + struct qlcnic_host_rds_ring *, + u16, u16); + +static inline u8 qlcnic_mac_hash(u64 mac, u16 vlan) +{ + return (u8)((mac & 0xff) ^ ((mac >> 40) & 0xff) ^ (vlan & 0xff)); +} + +static inline u32 qlcnic_get_ref_handle(struct qlcnic_adapter *adapter, + u16 handle, u8 ring_id) +{ + if (qlcnic_83xx_check(adapter)) + return handle | (ring_id << 15); + else + return handle; +} + +static inline int qlcnic_82xx_is_lb_pkt(u64 sts_data) +{ + return (qlcnic_get_sts_status(sts_data) == STATUS_CKSUM_LOOP) ? 1 : 0; +} + +static void qlcnic_delete_rx_list_mac(struct qlcnic_adapter *adapter, + struct qlcnic_filter *fil, + void *addr, u16 vlan_id) +{ + int ret; + u8 op; + + op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (ret) + return; + + op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (!ret) { + hlist_del(&fil->fnode); + adapter->rx_fhash.fnum--; + } +} + +static struct qlcnic_filter *qlcnic_find_mac_filter(struct hlist_head *head, + void *addr, u16 vlan_id) +{ + struct qlcnic_filter *tmp_fil = NULL; + struct hlist_node *n; + + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + if (ether_addr_equal(tmp_fil->faddr, addr) && + tmp_fil->vlan_id == vlan_id) + return tmp_fil; + } + + return NULL; +} + +static void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, + struct sk_buff *skb, int loopback_pkt, u16 vlan_id) +{ + struct ethhdr *phdr = (struct ethhdr *)(skb->data); + struct qlcnic_filter *fil, *tmp_fil; + struct hlist_head *head; + unsigned long time; + u64 src_addr = 0; + u8 hindex, op; + int ret; + + if (!qlcnic_sriov_pf_check(adapter) || (vlan_id == 0xffff)) + vlan_id = 0; + + memcpy(&src_addr, phdr->h_source, ETH_ALEN); + hindex = qlcnic_mac_hash(src_addr, vlan_id) & + (adapter->fhash.fbucket_size - 1); + + if (loopback_pkt) { + if (adapter->rx_fhash.fnum >= adapter->rx_fhash.fmax) + return; + + head = &(adapter->rx_fhash.fhead[hindex]); + + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { + time = tmp_fil->ftime; + if (time_after(jiffies, QLCNIC_READD_AGE * HZ + time)) + tmp_fil->ftime = jiffies; + return; + } + + fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); + if (!fil) + return; + + fil->ftime = jiffies; + memcpy(fil->faddr, &src_addr, ETH_ALEN); + fil->vlan_id = vlan_id; + spin_lock(&adapter->rx_mac_learn_lock); + hlist_add_head(&(fil->fnode), head); + adapter->rx_fhash.fnum++; + spin_unlock(&adapter->rx_mac_learn_lock); + } else { + head = &adapter->fhash.fhead[hindex]; + + spin_lock(&adapter->mac_learn_lock); + + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { + op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; + ret = qlcnic_sre_macaddr_change(adapter, + (u8 *)&src_addr, + vlan_id, op); + if (!ret) { + hlist_del(&tmp_fil->fnode); + adapter->fhash.fnum--; + } + + spin_unlock(&adapter->mac_learn_lock); + + return; + } + + spin_unlock(&adapter->mac_learn_lock); + + head = &adapter->rx_fhash.fhead[hindex]; + + spin_lock(&adapter->rx_mac_learn_lock); + + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) + qlcnic_delete_rx_list_mac(adapter, tmp_fil, &src_addr, + vlan_id); + + spin_unlock(&adapter->rx_mac_learn_lock); + } +} + +void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, + u16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) +{ + struct cmd_desc_type0 *hwdesc; + struct qlcnic_nic_req *req; + struct qlcnic_mac_req *mac_req; + struct qlcnic_vlan_req *vlan_req; + u32 producer; + u64 word; + + producer = tx_ring->producer; + hwdesc = &tx_ring->desc_head[tx_ring->producer]; + + req = (struct qlcnic_nic_req *)hwdesc; + memset(req, 0, sizeof(struct qlcnic_nic_req)); + req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23); + + word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16); + req->req_hdr = cpu_to_le64(word); + + mac_req = (struct qlcnic_mac_req *)&(req->words[0]); + mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; + memcpy(mac_req->mac_addr, uaddr, ETH_ALEN); + + vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; + vlan_req->vlan_id = cpu_to_le16(vlan_id); + + tx_ring->producer = get_next_index(producer, tx_ring->num_desc); + smp_mb(); +} + +static void qlcnic_send_filter(struct qlcnic_adapter *adapter, + struct cmd_desc_type0 *first_desc, + struct sk_buff *skb, + struct qlcnic_host_tx_ring *tx_ring) +{ + struct vlan_ethhdr *vh = (struct vlan_ethhdr *)(skb->data); + struct ethhdr *phdr = (struct ethhdr *)(skb->data); + u16 protocol = ntohs(skb->protocol); + struct qlcnic_filter *fil, *tmp_fil; + struct hlist_head *head; + struct hlist_node *n; + u64 src_addr = 0; + u16 vlan_id = 0; + u8 hindex, hval; + + if (ether_addr_equal(phdr->h_source, adapter->mac_addr)) + return; + + if (adapter->flags & QLCNIC_VLAN_FILTERING) { + if (protocol == ETH_P_8021Q) { + vh = skb_vlan_eth_hdr(skb); + vlan_id = ntohs(vh->h_vlan_TCI); + } else if (skb_vlan_tag_present(skb)) { + vlan_id = skb_vlan_tag_get(skb); + } + } + + memcpy(&src_addr, phdr->h_source, ETH_ALEN); + hval = qlcnic_mac_hash(src_addr, vlan_id); + hindex = hval & (adapter->fhash.fbucket_size - 1); + head = &(adapter->fhash.fhead[hindex]); + + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + if (ether_addr_equal(tmp_fil->faddr, (u8 *)&src_addr) && + tmp_fil->vlan_id == vlan_id) { + if (jiffies > (QLCNIC_READD_AGE * HZ + tmp_fil->ftime)) + qlcnic_change_filter(adapter, &src_addr, + vlan_id, tx_ring); + tmp_fil->ftime = jiffies; + return; + } + } + + if (unlikely(adapter->fhash.fnum >= adapter->fhash.fmax)) { + adapter->stats.mac_filter_limit_overrun++; + return; + } + + fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); + if (!fil) + return; + + qlcnic_change_filter(adapter, &src_addr, vlan_id, tx_ring); + fil->ftime = jiffies; + fil->vlan_id = vlan_id; + memcpy(fil->faddr, &src_addr, ETH_ALEN); + spin_lock(&adapter->mac_learn_lock); + hlist_add_head(&(fil->fnode), head); + adapter->fhash.fnum++; + spin_unlock(&adapter->mac_learn_lock); +} + +#define QLCNIC_ENCAP_VXLAN_PKT BIT_0 +#define QLCNIC_ENCAP_OUTER_L3_IP6 BIT_1 +#define QLCNIC_ENCAP_INNER_L3_IP6 BIT_2 +#define QLCNIC_ENCAP_INNER_L4_UDP BIT_3 +#define QLCNIC_ENCAP_DO_L3_CSUM BIT_4 +#define QLCNIC_ENCAP_DO_L4_CSUM BIT_5 + +static int qlcnic_tx_encap_pkt(struct qlcnic_adapter *adapter, + struct cmd_desc_type0 *first_desc, + struct sk_buff *skb, + struct qlcnic_host_tx_ring *tx_ring) +{ + u8 opcode = 0, inner_hdr_len = 0, outer_hdr_len = 0, total_hdr_len = 0; + int copied, copy_len, descr_size; + u32 producer = tx_ring->producer; + struct cmd_desc_type0 *hwdesc; + u16 flags = 0, encap_descr = 0; + + opcode = QLCNIC_TX_ETHER_PKT; + encap_descr = QLCNIC_ENCAP_VXLAN_PKT; + + if (skb_is_gso(skb)) { + inner_hdr_len = skb_inner_transport_header(skb) + + inner_tcp_hdrlen(skb) - + skb_inner_mac_header(skb); + + /* VXLAN header size = 8 */ + outer_hdr_len = skb_transport_offset(skb) + 8 + + sizeof(struct udphdr); + first_desc->outer_hdr_length = outer_hdr_len; + total_hdr_len = inner_hdr_len + outer_hdr_len; + encap_descr |= QLCNIC_ENCAP_DO_L3_CSUM | + QLCNIC_ENCAP_DO_L4_CSUM; + first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); + first_desc->hdr_length = inner_hdr_len; + + /* Copy inner and outer headers in Tx descriptor(s) + * If total_hdr_len > cmd_desc_type0, use multiple + * descriptors + */ + copied = 0; + descr_size = (int)sizeof(struct cmd_desc_type0); + while (copied < total_hdr_len) { + copy_len = min(descr_size, (total_hdr_len - copied)); + hwdesc = &tx_ring->desc_head[producer]; + tx_ring->cmd_buf_arr[producer].skb = NULL; + skb_copy_from_linear_data_offset(skb, copied, + (char *)hwdesc, + copy_len); + copied += copy_len; + producer = get_next_index(producer, tx_ring->num_desc); + } + + tx_ring->producer = producer; + + /* Make sure updated tx_ring->producer is visible + * for qlcnic_tx_avail() + */ + smp_mb(); + adapter->stats.encap_lso_frames++; + + opcode = QLCNIC_TX_ENCAP_LSO; + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (inner_ip_hdr(skb)->version == 6) { + if (inner_ipv6_hdr(skb)->nexthdr == IPPROTO_UDP) + encap_descr |= QLCNIC_ENCAP_INNER_L4_UDP; + } else { + if (inner_ip_hdr(skb)->protocol == IPPROTO_UDP) + encap_descr |= QLCNIC_ENCAP_INNER_L4_UDP; + } + + adapter->stats.encap_tx_csummed++; + opcode = QLCNIC_TX_ENCAP_PKT; + } + + /* Prepare first 16 bits of byte offset 16 of Tx descriptor */ + if (ip_hdr(skb)->version == 6) + encap_descr |= QLCNIC_ENCAP_OUTER_L3_IP6; + + /* outer IP header's size in 32bit words size*/ + encap_descr |= (skb_network_header_len(skb) >> 2) << 6; + + /* outer IP header offset */ + encap_descr |= skb_network_offset(skb) << 10; + first_desc->encap_descr = cpu_to_le16(encap_descr); + + first_desc->tcp_hdr_offset = skb_inner_transport_header(skb) - + skb->data; + first_desc->ip_hdr_offset = skb_inner_network_offset(skb); + + qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); + + return 0; +} + +static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter, + struct cmd_desc_type0 *first_desc, struct sk_buff *skb, + struct qlcnic_host_tx_ring *tx_ring) +{ + u8 l4proto, opcode = 0, hdr_len = 0, tag_vlan = 0; + u16 flags = 0, vlan_tci = 0; + int copied, offset, copy_len, size; + struct cmd_desc_type0 *hwdesc; + struct vlan_ethhdr *vh; + u16 protocol = ntohs(skb->protocol); + u32 producer = tx_ring->producer; + + if (protocol == ETH_P_8021Q) { + vh = skb_vlan_eth_hdr(skb); + flags = QLCNIC_FLAGS_VLAN_TAGGED; + vlan_tci = ntohs(vh->h_vlan_TCI); + protocol = ntohs(vh->h_vlan_encapsulated_proto); + tag_vlan = 1; + } else if (skb_vlan_tag_present(skb)) { + flags = QLCNIC_FLAGS_VLAN_OOB; + vlan_tci = skb_vlan_tag_get(skb); + tag_vlan = 1; + } + if (unlikely(adapter->tx_pvid)) { + if (tag_vlan && !(adapter->flags & QLCNIC_TAGGING_ENABLED)) + return -EIO; + if (tag_vlan && (adapter->flags & QLCNIC_TAGGING_ENABLED)) + goto set_flags; + + flags = QLCNIC_FLAGS_VLAN_OOB; + vlan_tci = adapter->tx_pvid; + } +set_flags: + qlcnic_set_tx_vlan_tci(first_desc, vlan_tci); + qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); + + if (*(skb->data) & BIT_0) { + flags |= BIT_0; + memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); + } + opcode = QLCNIC_TX_ETHER_PKT; + if (skb_is_gso(skb)) { + hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); + first_desc->hdr_length = hdr_len; + opcode = (protocol == ETH_P_IPV6) ? QLCNIC_TX_TCP_LSO6 : + QLCNIC_TX_TCP_LSO; + + /* For LSO, we need to copy the MAC/IP/TCP headers into + * the descriptor ring */ + copied = 0; + offset = 2; + + if (flags & QLCNIC_FLAGS_VLAN_OOB) { + first_desc->hdr_length += VLAN_HLEN; + first_desc->tcp_hdr_offset = VLAN_HLEN; + first_desc->ip_hdr_offset = VLAN_HLEN; + + /* Only in case of TSO on vlan device */ + flags |= QLCNIC_FLAGS_VLAN_TAGGED; + + /* Create a TSO vlan header template for firmware */ + hwdesc = &tx_ring->desc_head[producer]; + tx_ring->cmd_buf_arr[producer].skb = NULL; + + copy_len = min((int)sizeof(struct cmd_desc_type0) - + offset, hdr_len + VLAN_HLEN); + + vh = (struct vlan_ethhdr *)((char *) hwdesc + 2); + skb_copy_from_linear_data(skb, vh, 12); + vh->h_vlan_proto = htons(ETH_P_8021Q); + vh->h_vlan_TCI = htons(vlan_tci); + + skb_copy_from_linear_data_offset(skb, 12, + (char *)vh + 16, + copy_len - 16); + copied = copy_len - VLAN_HLEN; + offset = 0; + producer = get_next_index(producer, tx_ring->num_desc); + } + + while (copied < hdr_len) { + size = (int)sizeof(struct cmd_desc_type0) - offset; + copy_len = min(size, (hdr_len - copied)); + hwdesc = &tx_ring->desc_head[producer]; + tx_ring->cmd_buf_arr[producer].skb = NULL; + skb_copy_from_linear_data_offset(skb, copied, + (char *)hwdesc + + offset, copy_len); + copied += copy_len; + offset = 0; + producer = get_next_index(producer, tx_ring->num_desc); + } + + tx_ring->producer = producer; + smp_mb(); + adapter->stats.lso_frames++; + + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (protocol == ETH_P_IP) { + l4proto = ip_hdr(skb)->protocol; + + if (l4proto == IPPROTO_TCP) + opcode = QLCNIC_TX_TCP_PKT; + else if (l4proto == IPPROTO_UDP) + opcode = QLCNIC_TX_UDP_PKT; + } else if (protocol == ETH_P_IPV6) { + l4proto = ipv6_hdr(skb)->nexthdr; + + if (l4proto == IPPROTO_TCP) + opcode = QLCNIC_TX_TCPV6_PKT; + else if (l4proto == IPPROTO_UDP) + opcode = QLCNIC_TX_UDPV6_PKT; + } + } + first_desc->tcp_hdr_offset += skb_transport_offset(skb); + first_desc->ip_hdr_offset += skb_network_offset(skb); + qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); + + return 0; +} + +static int qlcnic_map_tx_skb(struct pci_dev *pdev, struct sk_buff *skb, + struct qlcnic_cmd_buffer *pbuf) +{ + struct qlcnic_skb_frag *nf; + skb_frag_t *frag; + int i, nr_frags; + dma_addr_t map; + + nr_frags = skb_shinfo(skb)->nr_frags; + nf = &pbuf->frag_array[0]; + + map = pci_map_single(pdev, skb->data, skb_headlen(skb), + PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(pdev, map)) + goto out_err; + + nf->dma = map; + nf->length = skb_headlen(skb); + + for (i = 0; i < nr_frags; i++) { + frag = &skb_shinfo(skb)->frags[i]; + nf = &pbuf->frag_array[i+1]; + map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), + DMA_TO_DEVICE); + if (dma_mapping_error(&pdev->dev, map)) + goto unwind; + + nf->dma = map; + nf->length = skb_frag_size(frag); + } + + return 0; + +unwind: + while (--i >= 0) { + nf = &pbuf->frag_array[i+1]; + pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); + } + + nf = &pbuf->frag_array[0]; + pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); + +out_err: + return -ENOMEM; +} + +static void qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb, + struct qlcnic_cmd_buffer *pbuf) +{ + struct qlcnic_skb_frag *nf = &pbuf->frag_array[0]; + int i, nr_frags = skb_shinfo(skb)->nr_frags; + + for (i = 0; i < nr_frags; i++) { + nf = &pbuf->frag_array[i+1]; + pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); + } + + nf = &pbuf->frag_array[0]; + pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); + pbuf->skb = NULL; +} + +static inline void qlcnic_clear_cmddesc(u64 *desc) +{ + desc[0] = 0ULL; + desc[2] = 0ULL; + desc[7] = 0ULL; +} + +netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_cmd_buffer *pbuf; + struct qlcnic_skb_frag *buffrag; + struct cmd_desc_type0 *hwdesc, *first_desc; + struct pci_dev *pdev; + struct ethhdr *phdr; + int i, k, frag_count, delta = 0; + u32 producer, num_txd; + u16 protocol; + bool l4_is_udp = false; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + netif_tx_stop_all_queues(netdev); + return NETDEV_TX_BUSY; + } + + if (adapter->flags & QLCNIC_MACSPOOF) { + phdr = (struct ethhdr *)skb->data; + if (!ether_addr_equal(phdr->h_source, adapter->mac_addr)) + goto drop_packet; + } + + tx_ring = &adapter->tx_ring[skb_get_queue_mapping(skb)]; + num_txd = tx_ring->num_desc; + + frag_count = skb_shinfo(skb)->nr_frags + 1; + + /* 14 frags supported for normal packet and + * 32 frags supported for TSO packet + */ + if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) { + for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++) + delta += skb_frag_size(&skb_shinfo(skb)->frags[i]); + + if (!__pskb_pull_tail(skb, delta)) + goto drop_packet; + + frag_count = 1 + skb_shinfo(skb)->nr_frags; + } + + if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { + netif_tx_stop_queue(tx_ring->txq); + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { + netif_tx_start_queue(tx_ring->txq); + } else { + tx_ring->tx_stats.xmit_off++; + return NETDEV_TX_BUSY; + } + } + + producer = tx_ring->producer; + pbuf = &tx_ring->cmd_buf_arr[producer]; + pdev = adapter->pdev; + first_desc = &tx_ring->desc_head[producer]; + hwdesc = &tx_ring->desc_head[producer]; + qlcnic_clear_cmddesc((u64 *)hwdesc); + + if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { + adapter->stats.tx_dma_map_error++; + goto drop_packet; + } + + pbuf->skb = skb; + pbuf->frag_count = frag_count; + + qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); + qlcnic_set_tx_port(first_desc, adapter->portnum); + + for (i = 0; i < frag_count; i++) { + k = i % 4; + + if ((k == 0) && (i > 0)) { + /* move to next desc.*/ + producer = get_next_index(producer, num_txd); + hwdesc = &tx_ring->desc_head[producer]; + qlcnic_clear_cmddesc((u64 *)hwdesc); + tx_ring->cmd_buf_arr[producer].skb = NULL; + } + + buffrag = &pbuf->frag_array[i]; + hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); + switch (k) { + case 0: + hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); + break; + case 1: + hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); + break; + case 2: + hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); + break; + case 3: + hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); + break; + } + } + + tx_ring->producer = get_next_index(producer, num_txd); + smp_mb(); + + protocol = ntohs(skb->protocol); + if (protocol == ETH_P_IP) + l4_is_udp = ip_hdr(skb)->protocol == IPPROTO_UDP; + else if (protocol == ETH_P_IPV6) + l4_is_udp = ipv6_hdr(skb)->nexthdr == IPPROTO_UDP; + + /* Check if it is a VXLAN packet */ + if (!skb->encapsulation || !l4_is_udp || + !qlcnic_encap_tx_offload(adapter)) { + if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb, + tx_ring))) + goto unwind_buff; + } else { + if (unlikely(qlcnic_tx_encap_pkt(adapter, first_desc, + skb, tx_ring))) + goto unwind_buff; + } + + if (adapter->drv_mac_learn) + qlcnic_send_filter(adapter, first_desc, skb, tx_ring); + + tx_ring->tx_stats.tx_bytes += skb->len; + tx_ring->tx_stats.xmit_called++; + + /* Ensure writes are complete before HW fetches Tx descriptors */ + wmb(); + qlcnic_update_cmd_producer(tx_ring); + + return NETDEV_TX_OK; + +unwind_buff: + qlcnic_unmap_buffers(pdev, skb, pbuf); +drop_packet: + adapter->stats.txdropped++; + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; +} + +void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) +{ + struct net_device *netdev = adapter->netdev; + + if (adapter->ahw->linkup && !linkup) { + netdev_info(netdev, "NIC Link is down\n"); + adapter->ahw->linkup = 0; + netif_carrier_off(netdev); + } else if (!adapter->ahw->linkup && linkup) { + adapter->ahw->linkup = 1; + + /* Do not advertise Link up to the stack if device + * is in loopback mode + */ + if (qlcnic_83xx_check(adapter) && adapter->ahw->lb_mode) { + netdev_info(netdev, "NIC Link is up for loopback test\n"); + return; + } + + netdev_info(netdev, "NIC Link is up\n"); + netif_carrier_on(netdev); + } +} + +static int qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, + struct qlcnic_host_rds_ring *rds_ring, + struct qlcnic_rx_buffer *buffer) +{ + struct sk_buff *skb; + dma_addr_t dma; + struct pci_dev *pdev = adapter->pdev; + + skb = netdev_alloc_skb(adapter->netdev, rds_ring->skb_size); + if (!skb) { + adapter->stats.skb_alloc_failure++; + return -ENOMEM; + } + + skb_reserve(skb, NET_IP_ALIGN); + dma = pci_map_single(pdev, skb->data, + rds_ring->dma_size, PCI_DMA_FROMDEVICE); + + if (pci_dma_mapping_error(pdev, dma)) { + adapter->stats.rx_dma_map_error++; + dev_kfree_skb_any(skb); + return -ENOMEM; + } + + buffer->skb = skb; + buffer->dma = dma; + + return 0; +} + +static void qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, + struct qlcnic_host_rds_ring *rds_ring, + u8 ring_id) +{ + struct rcv_desc *pdesc; + struct qlcnic_rx_buffer *buffer; + int count = 0; + uint32_t producer, handle; + struct list_head *head; + + if (!spin_trylock(&rds_ring->lock)) + return; + + producer = rds_ring->producer; + head = &rds_ring->free_list; + while (!list_empty(head)) { + buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); + + if (!buffer->skb) { + if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) + break; + } + count++; + list_del(&buffer->list); + + /* make a rcv descriptor */ + pdesc = &rds_ring->desc_head[producer]; + handle = qlcnic_get_ref_handle(adapter, + buffer->ref_handle, ring_id); + pdesc->reference_handle = cpu_to_le16(handle); + pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); + pdesc->addr_buffer = cpu_to_le64(buffer->dma); + producer = get_next_index(producer, rds_ring->num_desc); + } + if (count) { + rds_ring->producer = producer; + writel((producer - 1) & (rds_ring->num_desc - 1), + rds_ring->crb_rcv_producer); + } + spin_unlock(&rds_ring->lock); +} + +static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter, + struct qlcnic_host_tx_ring *tx_ring, + int budget) +{ + u32 sw_consumer, hw_consumer; + int i, done, count = 0; + struct qlcnic_cmd_buffer *buffer; + struct pci_dev *pdev = adapter->pdev; + struct net_device *netdev = adapter->netdev; + struct qlcnic_skb_frag *frag; + + if (!spin_trylock(&tx_ring->tx_clean_lock)) + return 1; + + sw_consumer = tx_ring->sw_consumer; + hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); + + while (sw_consumer != hw_consumer) { + buffer = &tx_ring->cmd_buf_arr[sw_consumer]; + if (buffer->skb) { + frag = &buffer->frag_array[0]; + pci_unmap_single(pdev, frag->dma, frag->length, + PCI_DMA_TODEVICE); + frag->dma = 0ULL; + for (i = 1; i < buffer->frag_count; i++) { + frag++; + pci_unmap_page(pdev, frag->dma, frag->length, + PCI_DMA_TODEVICE); + frag->dma = 0ULL; + } + tx_ring->tx_stats.xmit_finished++; + dev_kfree_skb_any(buffer->skb); + buffer->skb = NULL; + } + + sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); + if (++count >= budget) + break; + } + + tx_ring->sw_consumer = sw_consumer; + + if (count && netif_running(netdev)) { + smp_mb(); + if (netif_tx_queue_stopped(tx_ring->txq) && + netif_carrier_ok(netdev)) { + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { + netif_tx_wake_queue(tx_ring->txq); + tx_ring->tx_stats.xmit_on++; + } + } + adapter->tx_timeo_cnt = 0; + } + /* + * If everything is freed up to consumer then check if the ring is full + * If the ring is full then check if more needs to be freed and + * schedule the call back again. + * + * This happens when there are 2 CPUs. One could be freeing and the + * other filling it. If the ring is full when we get out of here and + * the card has already interrupted the host then the host can miss the + * interrupt. + * + * There is still a possible race condition and the host could miss an + * interrupt. The card has to take care of this. + */ + hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); + done = (sw_consumer == hw_consumer); + + spin_unlock(&tx_ring->tx_clean_lock); + + return done; +} + +static int qlcnic_poll(struct napi_struct *napi, int budget) +{ + int tx_complete, work_done; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_adapter *adapter; + struct qlcnic_host_tx_ring *tx_ring; + + sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi); + adapter = sds_ring->adapter; + tx_ring = sds_ring->tx_ring; + + tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, + budget); + work_done = qlcnic_process_rcv_ring(sds_ring, budget); + + /* Check if we need a repoll */ + if (!tx_complete) + work_done = budget; + + if (work_done < budget) { + napi_complete_done(&sds_ring->napi, work_done); + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + qlcnic_enable_sds_intr(adapter, sds_ring); + qlcnic_enable_tx_intr(adapter, tx_ring); + } + } + + return work_done; +} + +static int qlcnic_tx_poll(struct napi_struct *napi, int budget) +{ + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_adapter *adapter; + int work_done; + + tx_ring = container_of(napi, struct qlcnic_host_tx_ring, napi); + adapter = tx_ring->adapter; + + work_done = qlcnic_process_cmd_ring(adapter, tx_ring, budget); + if (work_done) { + napi_complete(&tx_ring->napi); + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + qlcnic_enable_tx_intr(adapter, tx_ring); + } else { + /* As qlcnic_process_cmd_ring() returned 0, we need a repoll*/ + work_done = budget; + } + + return work_done; +} + +static int qlcnic_rx_poll(struct napi_struct *napi, int budget) +{ + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_adapter *adapter; + int work_done; + + sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi); + adapter = sds_ring->adapter; + + work_done = qlcnic_process_rcv_ring(sds_ring, budget); + + if (work_done < budget) { + napi_complete_done(&sds_ring->napi, work_done); + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + return work_done; +} + +static void qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, + struct qlcnic_fw_msg *msg) +{ + u32 cable_OUI; + u16 cable_len, link_speed; + u8 link_status, module, duplex, autoneg, lb_status = 0; + struct net_device *netdev = adapter->netdev; + + adapter->ahw->has_link_events = 1; + + cable_OUI = msg->body[1] & 0xffffffff; + cable_len = (msg->body[1] >> 32) & 0xffff; + link_speed = (msg->body[1] >> 48) & 0xffff; + + link_status = msg->body[2] & 0xff; + duplex = (msg->body[2] >> 16) & 0xff; + autoneg = (msg->body[2] >> 24) & 0xff; + lb_status = (msg->body[2] >> 32) & 0x3; + + module = (msg->body[2] >> 8) & 0xff; + if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) + dev_info(&netdev->dev, + "unsupported cable: OUI 0x%x, length %d\n", + cable_OUI, cable_len); + else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) + dev_info(&netdev->dev, "unsupported cable length %d\n", + cable_len); + + if (!link_status && (lb_status == QLCNIC_ILB_MODE || + lb_status == QLCNIC_ELB_MODE)) + adapter->ahw->loopback_state |= QLCNIC_LINKEVENT; + + qlcnic_advert_link_change(adapter, link_status); + + if (duplex == LINKEVENT_FULL_DUPLEX) + adapter->ahw->link_duplex = DUPLEX_FULL; + else + adapter->ahw->link_duplex = DUPLEX_HALF; + + adapter->ahw->module_type = module; + adapter->ahw->link_autoneg = autoneg; + + if (link_status) { + adapter->ahw->link_speed = link_speed; + } else { + adapter->ahw->link_speed = SPEED_UNKNOWN; + adapter->ahw->link_duplex = DUPLEX_UNKNOWN; + } +} + +static void qlcnic_handle_fw_message(int desc_cnt, int index, + struct qlcnic_host_sds_ring *sds_ring) +{ + struct qlcnic_fw_msg msg; + struct status_desc *desc; + struct qlcnic_adapter *adapter; + struct device *dev; + int i = 0, opcode, ret; + + while (desc_cnt > 0 && i < 8) { + desc = &sds_ring->desc_head[index]; + msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]); + msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]); + + index = get_next_index(index, sds_ring->num_desc); + desc_cnt--; + } + + adapter = sds_ring->adapter; + dev = &adapter->pdev->dev; + opcode = qlcnic_get_nic_msg_opcode(msg.body[0]); + + switch (opcode) { + case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE: + qlcnic_handle_linkevent(adapter, &msg); + break; + case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK: + ret = (u32)(msg.body[1]); + switch (ret) { + case 0: + adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE; + break; + case 1: + dev_info(dev, "loopback already in progress\n"); + adapter->ahw->diag_cnt = -EINPROGRESS; + break; + case 2: + dev_info(dev, "loopback cable is not connected\n"); + adapter->ahw->diag_cnt = -ENODEV; + break; + default: + dev_info(dev, + "loopback configure request failed, err %x\n", + ret); + adapter->ahw->diag_cnt = -EIO; + break; + } + break; + case QLCNIC_C2H_OPCODE_GET_DCB_AEN: + qlcnic_dcb_aen_handler(adapter->dcb, (void *)&msg); + break; + default: + break; + } +} + +static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, + struct qlcnic_host_rds_ring *ring, + u16 index, u16 cksum) +{ + struct qlcnic_rx_buffer *buffer; + struct sk_buff *skb; + + buffer = &ring->rx_buf_arr[index]; + if (unlikely(buffer->skb == NULL)) { + WARN_ON(1); + return NULL; + } + + pci_unmap_single(adapter->pdev, buffer->dma, ring->dma_size, + PCI_DMA_FROMDEVICE); + + skb = buffer->skb; + if (likely((adapter->netdev->features & NETIF_F_RXCSUM) && + (cksum == STATUS_CKSUM_OK || cksum == STATUS_CKSUM_LOOP))) { + adapter->stats.csummed++; + skb->ip_summed = CHECKSUM_UNNECESSARY; + } else { + skb_checksum_none_assert(skb); + } + + + buffer->skb = NULL; + + return skb; +} + +static inline int qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, + struct sk_buff *skb, u16 *vlan_tag) +{ + struct ethhdr *eth_hdr; + + if (!__vlan_get_tag(skb, vlan_tag)) { + eth_hdr = (struct ethhdr *)skb->data; + memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2); + skb_pull(skb, VLAN_HLEN); + } + if (!adapter->rx_pvid) + return 0; + + if (*vlan_tag == adapter->rx_pvid) { + /* Outer vlan tag. Packet should follow non-vlan path */ + *vlan_tag = 0xffff; + return 0; + } + if (adapter->flags & QLCNIC_TAGGING_ENABLED) + return 0; + + return -EINVAL; +} + +static struct qlcnic_rx_buffer * +qlcnic_process_rcv(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring, int ring, + u64 sts_data0) +{ + struct net_device *netdev = adapter->netdev; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_rx_buffer *buffer; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + int index, length, cksum, pkt_offset, is_lb_pkt; + u16 vid = 0xffff, t_vid; + + if (unlikely(ring >= adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_get_sts_refhandle(sts_data0); + if (unlikely(index >= rds_ring->num_desc)) + return NULL; + + buffer = &rds_ring->rx_buf_arr[index]; + length = qlcnic_get_sts_totallength(sts_data0); + cksum = qlcnic_get_sts_status(sts_data0); + pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); + if (!skb) + return buffer; + + if (adapter->rx_mac_learn) { + t_vid = 0; + is_lb_pkt = qlcnic_82xx_is_lb_pkt(sts_data0); + qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid); + } + + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); + + if (pkt_offset) + skb_pull(skb, pkt_offset); + + if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { + adapter->stats.rxdropped++; + dev_kfree_skb(skb); + return buffer; + } + + skb->protocol = eth_type_trans(skb, netdev); + + if (vid != 0xffff) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); + + napi_gro_receive(&sds_ring->napi, skb); + + adapter->stats.rx_pkts++; + adapter->stats.rxbytes += length; + + return buffer; +} + +#define QLC_TCP_HDR_SIZE 20 +#define QLC_TCP_TS_OPTION_SIZE 12 +#define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE) + +static struct qlcnic_rx_buffer * +qlcnic_process_lro(struct qlcnic_adapter *adapter, + int ring, u64 sts_data0, u64 sts_data1) +{ + struct net_device *netdev = adapter->netdev; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_rx_buffer *buffer; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + struct iphdr *iph; + struct ipv6hdr *ipv6h; + struct tcphdr *th; + bool push, timestamp; + int index, l2_hdr_offset, l4_hdr_offset, is_lb_pkt; + u16 lro_length, length, data_offset, t_vid, vid = 0xffff; + u32 seq_number; + + if (unlikely(ring >= adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_get_lro_sts_refhandle(sts_data0); + if (unlikely(index >= rds_ring->num_desc)) + return NULL; + + buffer = &rds_ring->rx_buf_arr[index]; + + timestamp = qlcnic_get_lro_sts_timestamp(sts_data0); + lro_length = qlcnic_get_lro_sts_length(sts_data0); + l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0); + l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0); + push = qlcnic_get_lro_sts_push_flag(sts_data0); + seq_number = qlcnic_get_lro_sts_seq_number(sts_data1); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); + if (!skb) + return buffer; + + if (adapter->rx_mac_learn) { + t_vid = 0; + is_lb_pkt = qlcnic_82xx_is_lb_pkt(sts_data0); + qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid); + } + + if (timestamp) + data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE; + else + data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE; + + skb_put(skb, lro_length + data_offset); + skb_pull(skb, l2_hdr_offset); + + if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) { + adapter->stats.rxdropped++; + dev_kfree_skb(skb); + return buffer; + } + + skb->protocol = eth_type_trans(skb, netdev); + + if (ntohs(skb->protocol) == ETH_P_IPV6) { + ipv6h = (struct ipv6hdr *)skb->data; + th = (struct tcphdr *)(skb->data + sizeof(struct ipv6hdr)); + length = (th->doff << 2) + lro_length; + ipv6h->payload_len = htons(length); + } else { + iph = (struct iphdr *)skb->data; + th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); + length = (iph->ihl << 2) + (th->doff << 2) + lro_length; + csum_replace2(&iph->check, iph->tot_len, htons(length)); + iph->tot_len = htons(length); + } + + th->psh = push; + th->seq = htonl(seq_number); + length = skb->len; + + if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) { + skb_shinfo(skb)->gso_size = qlcnic_get_lro_sts_mss(sts_data1); + if (skb->protocol == htons(ETH_P_IPV6)) + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; + else + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; + } + + if (vid != 0xffff) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); + netif_receive_skb(skb); + + adapter->stats.lro_pkts++; + adapter->stats.lrobytes += length; + + return buffer; +} + +static int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) +{ + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_adapter *adapter = sds_ring->adapter; + struct list_head *cur; + struct status_desc *desc; + struct qlcnic_rx_buffer *rxbuf; + int opcode, desc_cnt, count = 0; + u64 sts_data0, sts_data1; + u8 ring; + u32 consumer = sds_ring->consumer; + + while (count < max) { + desc = &sds_ring->desc_head[consumer]; + sts_data0 = le64_to_cpu(desc->status_desc_data[0]); + + if (!(sts_data0 & STATUS_OWNER_HOST)) + break; + + desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); + opcode = qlcnic_get_sts_opcode(sts_data0); + switch (opcode) { + case QLCNIC_RXPKT_DESC: + case QLCNIC_OLD_RXPKT_DESC: + case QLCNIC_SYN_OFFLOAD: + ring = qlcnic_get_sts_type(sts_data0); + rxbuf = qlcnic_process_rcv(adapter, sds_ring, ring, + sts_data0); + break; + case QLCNIC_LRO_DESC: + ring = qlcnic_get_lro_sts_type(sts_data0); + sts_data1 = le64_to_cpu(desc->status_desc_data[1]); + rxbuf = qlcnic_process_lro(adapter, ring, sts_data0, + sts_data1); + break; + case QLCNIC_RESPONSE_DESC: + qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); + default: + goto skip; + } + WARN_ON(desc_cnt > 1); + + if (likely(rxbuf)) + list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); + else + adapter->stats.null_rxbuf++; +skip: + for (; desc_cnt > 0; desc_cnt--) { + desc = &sds_ring->desc_head[consumer]; + desc->status_desc_data[0] = QLCNIC_DESC_OWNER_FW; + consumer = get_next_index(consumer, sds_ring->num_desc); + } + count++; + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx->rds_rings[ring]; + if (!list_empty(&sds_ring->free_list[ring])) { + list_for_each(cur, &sds_ring->free_list[ring]) { + rxbuf = list_entry(cur, struct qlcnic_rx_buffer, + list); + qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf); + } + spin_lock(&rds_ring->lock); + list_splice_tail_init(&sds_ring->free_list[ring], + &rds_ring->free_list); + spin_unlock(&rds_ring->lock); + } + + qlcnic_post_rx_buffers_nodb(adapter, rds_ring, ring); + } + + if (count) { + sds_ring->consumer = consumer; + writel(consumer, sds_ring->crb_sts_consumer); + } + + return count; +} + +void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, + struct qlcnic_host_rds_ring *rds_ring, u8 ring_id) +{ + struct rcv_desc *pdesc; + struct qlcnic_rx_buffer *buffer; + int count = 0; + u32 producer, handle; + struct list_head *head; + + producer = rds_ring->producer; + head = &rds_ring->free_list; + + while (!list_empty(head)) { + + buffer = list_entry(head->next, struct qlcnic_rx_buffer, list); + + if (!buffer->skb) { + if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer)) + break; + } + + count++; + list_del(&buffer->list); + + /* make a rcv descriptor */ + pdesc = &rds_ring->desc_head[producer]; + pdesc->addr_buffer = cpu_to_le64(buffer->dma); + handle = qlcnic_get_ref_handle(adapter, buffer->ref_handle, + ring_id); + pdesc->reference_handle = cpu_to_le16(handle); + pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); + producer = get_next_index(producer, rds_ring->num_desc); + } + + if (count) { + rds_ring->producer = producer; + writel((producer-1) & (rds_ring->num_desc-1), + rds_ring->crb_rcv_producer); + } +} + +static void dump_skb(struct sk_buff *skb, struct qlcnic_adapter *adapter) +{ + if (adapter->ahw->msg_enable & NETIF_MSG_DRV) { + char prefix[30]; + + scnprintf(prefix, sizeof(prefix), "%s: %s: ", + dev_name(&adapter->pdev->dev), __func__); + + print_hex_dump_debug(prefix, DUMP_PREFIX_NONE, 16, 1, + skb->data, skb->len, true); + } +} + +static void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, int ring, + u64 sts_data0) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + int index, length, cksum, pkt_offset; + + if (unlikely(ring >= adapter->max_rds_rings)) + return; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_get_sts_refhandle(sts_data0); + length = qlcnic_get_sts_totallength(sts_data0); + if (unlikely(index >= rds_ring->num_desc)) + return; + + cksum = qlcnic_get_sts_status(sts_data0); + pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); + if (!skb) + return; + + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); + + if (pkt_offset) + skb_pull(skb, pkt_offset); + + if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr)) + adapter->ahw->diag_cnt++; + else + dump_skb(skb, adapter); + + dev_kfree_skb_any(skb); + adapter->stats.rx_pkts++; + adapter->stats.rxbytes += length; + + return; +} + +void qlcnic_82xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) +{ + struct qlcnic_adapter *adapter = sds_ring->adapter; + struct status_desc *desc; + u64 sts_data0; + int ring, opcode, desc_cnt; + + u32 consumer = sds_ring->consumer; + + desc = &sds_ring->desc_head[consumer]; + sts_data0 = le64_to_cpu(desc->status_desc_data[0]); + + if (!(sts_data0 & STATUS_OWNER_HOST)) + return; + + desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); + opcode = qlcnic_get_sts_opcode(sts_data0); + switch (opcode) { + case QLCNIC_RESPONSE_DESC: + qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); + break; + default: + ring = qlcnic_get_sts_type(sts_data0); + qlcnic_process_rcv_diag(adapter, ring, sts_data0); + break; + } + + for (; desc_cnt > 0; desc_cnt--) { + desc = &sds_ring->desc_head[consumer]; + desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); + consumer = get_next_index(consumer, sds_ring->num_desc); + } + + sds_ring->consumer = consumer; + writel(consumer, sds_ring->crb_sts_consumer); +} + +int qlcnic_82xx_napi_add(struct qlcnic_adapter *adapter, + struct net_device *netdev) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_tx_ring *tx_ring; + + if (qlcnic_alloc_sds_rings(recv_ctx, adapter->drv_sds_rings)) + return -ENOMEM; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + if (qlcnic_check_multi_tx(adapter) && + !adapter->ahw->diag_test) { + netif_napi_add(netdev, &sds_ring->napi, qlcnic_rx_poll, + NAPI_POLL_WEIGHT); + } else { + if (ring == (adapter->drv_sds_rings - 1)) + netif_napi_add(netdev, &sds_ring->napi, + qlcnic_poll, + NAPI_POLL_WEIGHT); + else + netif_napi_add(netdev, &sds_ring->napi, + qlcnic_rx_poll, + NAPI_POLL_WEIGHT); + } + } + + if (qlcnic_alloc_tx_rings(adapter, netdev)) { + qlcnic_free_sds_rings(recv_ctx); + return -ENOMEM; + } + + if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + netif_tx_napi_add(netdev, &tx_ring->napi, qlcnic_tx_poll, + NAPI_POLL_WEIGHT); + } + } + + return 0; +} + +void qlcnic_82xx_napi_del(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_tx_ring *tx_ring; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + netif_napi_del(&sds_ring->napi); + } + + qlcnic_free_sds_rings(adapter->recv_ctx); + + if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + netif_napi_del(&tx_ring->napi); + } + } + + qlcnic_free_tx_rings(adapter); +} + +void qlcnic_82xx_napi_enable(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + napi_enable(&sds_ring->napi); + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + if (qlcnic_check_multi_tx(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED) && + !adapter->ahw->diag_test) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + napi_enable(&tx_ring->napi); + qlcnic_enable_tx_intr(adapter, tx_ring); + } + } +} + +void qlcnic_82xx_napi_disable(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + qlcnic_disable_sds_intr(adapter, sds_ring); + napi_synchronize(&sds_ring->napi); + napi_disable(&sds_ring->napi); + } + + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !adapter->ahw->diag_test && + qlcnic_check_multi_tx(adapter)) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + qlcnic_disable_tx_intr(adapter, tx_ring); + napi_synchronize(&tx_ring->napi); + napi_disable(&tx_ring->napi); + } + } +} + +#define QLC_83XX_NORMAL_LB_PKT (1ULL << 36) +#define QLC_83XX_LRO_LB_PKT (1ULL << 46) + +static inline int qlcnic_83xx_is_lb_pkt(u64 sts_data, int lro_pkt) +{ + if (lro_pkt) + return (sts_data & QLC_83XX_LRO_LB_PKT) ? 1 : 0; + else + return (sts_data & QLC_83XX_NORMAL_LB_PKT) ? 1 : 0; +} + +#define QLCNIC_ENCAP_LENGTH_MASK 0x7f + +static inline u8 qlcnic_encap_length(u64 sts_data) +{ + return sts_data & QLCNIC_ENCAP_LENGTH_MASK; +} + +static struct qlcnic_rx_buffer * +qlcnic_83xx_process_rcv(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring, + u8 ring, u64 sts_data[]) +{ + struct net_device *netdev = adapter->netdev; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_rx_buffer *buffer; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + int index, length, cksum, is_lb_pkt; + u16 vid = 0xffff; + int err; + + if (unlikely(ring >= adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_83xx_hndl(sts_data[0]); + if (unlikely(index >= rds_ring->num_desc)) + return NULL; + + buffer = &rds_ring->rx_buf_arr[index]; + length = qlcnic_83xx_pktln(sts_data[0]); + cksum = qlcnic_83xx_csum_status(sts_data[1]); + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); + if (!skb) + return buffer; + + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); + + err = qlcnic_check_rx_tagging(adapter, skb, &vid); + + if (adapter->rx_mac_learn) { + is_lb_pkt = qlcnic_83xx_is_lb_pkt(sts_data[1], 0); + qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, vid); + } + + if (unlikely(err)) { + adapter->stats.rxdropped++; + dev_kfree_skb(skb); + return buffer; + } + + skb->protocol = eth_type_trans(skb, netdev); + + if (qlcnic_encap_length(sts_data[1]) && + skb->ip_summed == CHECKSUM_UNNECESSARY) { + skb->csum_level = 1; + adapter->stats.encap_rx_csummed++; + } + + if (vid != 0xffff) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); + + napi_gro_receive(&sds_ring->napi, skb); + + adapter->stats.rx_pkts++; + adapter->stats.rxbytes += length; + + return buffer; +} + +static struct qlcnic_rx_buffer * +qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter, + u8 ring, u64 sts_data[]) +{ + struct net_device *netdev = adapter->netdev; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_rx_buffer *buffer; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + struct iphdr *iph; + struct ipv6hdr *ipv6h; + struct tcphdr *th; + bool push; + int l2_hdr_offset, l4_hdr_offset; + int index, is_lb_pkt; + u16 lro_length, length, data_offset, gso_size; + u16 vid = 0xffff; + int err; + + if (unlikely(ring >= adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_83xx_hndl(sts_data[0]); + if (unlikely(index >= rds_ring->num_desc)) + return NULL; + + buffer = &rds_ring->rx_buf_arr[index]; + + lro_length = qlcnic_83xx_lro_pktln(sts_data[0]); + l2_hdr_offset = qlcnic_83xx_l2_hdr_off(sts_data[1]); + l4_hdr_offset = qlcnic_83xx_l4_hdr_off(sts_data[1]); + push = qlcnic_83xx_is_psh_bit(sts_data[1]); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); + if (!skb) + return buffer; + + if (qlcnic_83xx_is_tstamp(sts_data[1])) + data_offset = l4_hdr_offset + QLCNIC_TCP_TS_HDR_SIZE; + else + data_offset = l4_hdr_offset + QLCNIC_TCP_HDR_SIZE; + + skb_put(skb, lro_length + data_offset); + skb_pull(skb, l2_hdr_offset); + + err = qlcnic_check_rx_tagging(adapter, skb, &vid); + + if (adapter->rx_mac_learn) { + is_lb_pkt = qlcnic_83xx_is_lb_pkt(sts_data[1], 1); + qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, vid); + } + + if (unlikely(err)) { + adapter->stats.rxdropped++; + dev_kfree_skb(skb); + return buffer; + } + + skb->protocol = eth_type_trans(skb, netdev); + if (ntohs(skb->protocol) == ETH_P_IPV6) { + ipv6h = (struct ipv6hdr *)skb->data; + th = (struct tcphdr *)(skb->data + sizeof(struct ipv6hdr)); + + length = (th->doff << 2) + lro_length; + ipv6h->payload_len = htons(length); + } else { + iph = (struct iphdr *)skb->data; + th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); + length = (iph->ihl << 2) + (th->doff << 2) + lro_length; + csum_replace2(&iph->check, iph->tot_len, htons(length)); + iph->tot_len = htons(length); + } + + th->psh = push; + length = skb->len; + + if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) { + gso_size = qlcnic_83xx_get_lro_sts_mss(sts_data[0]); + skb_shinfo(skb)->gso_size = gso_size; + if (skb->protocol == htons(ETH_P_IPV6)) + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; + else + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; + } + + if (vid != 0xffff) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); + + netif_receive_skb(skb); + + adapter->stats.lro_pkts++; + adapter->stats.lrobytes += length; + return buffer; +} + +static int qlcnic_83xx_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, + int max) +{ + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_adapter *adapter = sds_ring->adapter; + struct list_head *cur; + struct status_desc *desc; + struct qlcnic_rx_buffer *rxbuf = NULL; + u8 ring; + u64 sts_data[2]; + int count = 0, opcode; + u32 consumer = sds_ring->consumer; + + while (count < max) { + desc = &sds_ring->desc_head[consumer]; + sts_data[1] = le64_to_cpu(desc->status_desc_data[1]); + opcode = qlcnic_83xx_opcode(sts_data[1]); + if (!opcode) + break; + sts_data[0] = le64_to_cpu(desc->status_desc_data[0]); + ring = QLCNIC_FETCH_RING_ID(sts_data[0]); + + switch (opcode) { + case QLC_83XX_REG_DESC: + rxbuf = qlcnic_83xx_process_rcv(adapter, sds_ring, + ring, sts_data); + break; + case QLC_83XX_LRO_DESC: + rxbuf = qlcnic_83xx_process_lro(adapter, ring, + sts_data); + break; + default: + dev_info(&adapter->pdev->dev, + "Unknown opcode: 0x%x\n", opcode); + goto skip; + } + + if (likely(rxbuf)) + list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); + else + adapter->stats.null_rxbuf++; +skip: + desc = &sds_ring->desc_head[consumer]; + /* Reset the descriptor */ + desc->status_desc_data[1] = 0; + consumer = get_next_index(consumer, sds_ring->num_desc); + count++; + } + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx->rds_rings[ring]; + if (!list_empty(&sds_ring->free_list[ring])) { + list_for_each(cur, &sds_ring->free_list[ring]) { + rxbuf = list_entry(cur, struct qlcnic_rx_buffer, + list); + qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf); + } + spin_lock(&rds_ring->lock); + list_splice_tail_init(&sds_ring->free_list[ring], + &rds_ring->free_list); + spin_unlock(&rds_ring->lock); + } + qlcnic_post_rx_buffers_nodb(adapter, rds_ring, ring); + } + if (count) { + sds_ring->consumer = consumer; + writel(consumer, sds_ring->crb_sts_consumer); + } + return count; +} + +static int qlcnic_83xx_msix_sriov_vf_poll(struct napi_struct *napi, int budget) +{ + int tx_complete; + int work_done; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_adapter *adapter; + struct qlcnic_host_tx_ring *tx_ring; + + sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi); + adapter = sds_ring->adapter; + /* tx ring count = 1 */ + tx_ring = adapter->tx_ring; + + tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, budget); + work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget); + + /* Check if we need a repoll */ + if (!tx_complete) + work_done = budget; + + if (work_done < budget) { + napi_complete_done(&sds_ring->napi, work_done); + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + return work_done; +} + +static int qlcnic_83xx_poll(struct napi_struct *napi, int budget) +{ + int tx_complete; + int work_done; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_adapter *adapter; + struct qlcnic_host_tx_ring *tx_ring; + + sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi); + adapter = sds_ring->adapter; + /* tx ring count = 1 */ + tx_ring = adapter->tx_ring; + + tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, budget); + work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget); + + /* Check if we need a repoll */ + if (!tx_complete) + work_done = budget; + + if (work_done < budget) { + napi_complete_done(&sds_ring->napi, work_done); + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + return work_done; +} + +static int qlcnic_83xx_msix_tx_poll(struct napi_struct *napi, int budget) +{ + int work_done; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_adapter *adapter; + + tx_ring = container_of(napi, struct qlcnic_host_tx_ring, napi); + adapter = tx_ring->adapter; + work_done = qlcnic_process_cmd_ring(adapter, tx_ring, budget); + if (work_done) { + napi_complete(&tx_ring->napi); + if (test_bit(__QLCNIC_DEV_UP , &adapter->state)) + qlcnic_enable_tx_intr(adapter, tx_ring); + } else { + /* need a repoll */ + work_done = budget; + } + + return work_done; +} + +static int qlcnic_83xx_rx_poll(struct napi_struct *napi, int budget) +{ + int work_done; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_adapter *adapter; + + sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi); + adapter = sds_ring->adapter; + work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget); + if (work_done < budget) { + napi_complete_done(&sds_ring->napi, work_done); + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + return work_done; +} + +void qlcnic_83xx_napi_enable(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + napi_enable(&sds_ring->napi); + if (adapter->flags & QLCNIC_MSIX_ENABLED) + qlcnic_enable_sds_intr(adapter, sds_ring); + } + + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + napi_enable(&tx_ring->napi); + qlcnic_enable_tx_intr(adapter, tx_ring); + } + } +} + +void qlcnic_83xx_napi_disable(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_tx_ring *tx_ring; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + if (adapter->flags & QLCNIC_MSIX_ENABLED) + qlcnic_disable_sds_intr(adapter, sds_ring); + napi_synchronize(&sds_ring->napi); + napi_disable(&sds_ring->napi); + } + + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + qlcnic_disable_tx_intr(adapter, tx_ring); + napi_synchronize(&tx_ring->napi); + napi_disable(&tx_ring->napi); + } + } +} + +int qlcnic_83xx_napi_add(struct qlcnic_adapter *adapter, + struct net_device *netdev) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (qlcnic_alloc_sds_rings(recv_ctx, adapter->drv_sds_rings)) + return -ENOMEM; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + if (adapter->flags & QLCNIC_MSIX_ENABLED) { + if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) + netif_napi_add(netdev, &sds_ring->napi, + qlcnic_83xx_rx_poll, + NAPI_POLL_WEIGHT); + else + netif_napi_add(netdev, &sds_ring->napi, + qlcnic_83xx_msix_sriov_vf_poll, + NAPI_POLL_WEIGHT); + + } else { + netif_napi_add(netdev, &sds_ring->napi, + qlcnic_83xx_poll, + NAPI_POLL_WEIGHT); + } + } + + if (qlcnic_alloc_tx_rings(adapter, netdev)) { + qlcnic_free_sds_rings(recv_ctx); + return -ENOMEM; + } + + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + netif_tx_napi_add(netdev, &tx_ring->napi, + qlcnic_83xx_msix_tx_poll, + NAPI_POLL_WEIGHT); + } + } + + return 0; +} + +void qlcnic_83xx_napi_del(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_tx_ring *tx_ring; + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + netif_napi_del(&sds_ring->napi); + } + + qlcnic_free_sds_rings(adapter->recv_ctx); + + if ((adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + netif_napi_del(&tx_ring->napi); + } + } + + qlcnic_free_tx_rings(adapter); +} + +static void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *adapter, + int ring, u64 sts_data[]) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + int index, length; + + if (unlikely(ring >= adapter->max_rds_rings)) + return; + + rds_ring = &recv_ctx->rds_rings[ring]; + index = qlcnic_83xx_hndl(sts_data[0]); + if (unlikely(index >= rds_ring->num_desc)) + return; + + length = qlcnic_83xx_pktln(sts_data[0]); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); + if (!skb) + return; + + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); + + if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr)) + adapter->ahw->diag_cnt++; + else + dump_skb(skb, adapter); + + dev_kfree_skb_any(skb); + return; +} + +void qlcnic_83xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) +{ + struct qlcnic_adapter *adapter = sds_ring->adapter; + struct status_desc *desc; + u64 sts_data[2]; + int ring, opcode; + u32 consumer = sds_ring->consumer; + + desc = &sds_ring->desc_head[consumer]; + sts_data[0] = le64_to_cpu(desc->status_desc_data[0]); + sts_data[1] = le64_to_cpu(desc->status_desc_data[1]); + opcode = qlcnic_83xx_opcode(sts_data[1]); + if (!opcode) + return; + + ring = QLCNIC_FETCH_RING_ID(sts_data[0]); + qlcnic_83xx_process_rcv_diag(adapter, ring, sts_data); + desc = &sds_ring->desc_head[consumer]; + desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); + consumer = get_next_index(consumer, sds_ring->num_desc); + sds_ring->consumer = consumer; + writel(consumer, sds_ring->crb_sts_consumer); +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c new file mode 100644 index 000000000..44b745293 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -0,0 +1,4284 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/vmalloc.h> +#include <linux/interrupt.h> +#include <linux/swab.h> +#include <linux/dma-mapping.h> +#include <linux/if_vlan.h> +#include <net/ip.h> +#include <linux/ipv6.h> +#include <linux/inetdevice.h> +#include <linux/aer.h> +#include <linux/log2.h> +#include <linux/pci.h> +#include <net/vxlan.h> + +#include "qlcnic.h" +#include "qlcnic_sriov.h" +#include "qlcnic_hw.h" + +MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(QLCNIC_LINUX_VERSIONID); +MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); + +char qlcnic_driver_name[] = "qlcnic"; +static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " + "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; + +static int qlcnic_mac_learn; +module_param(qlcnic_mac_learn, int, 0444); +MODULE_PARM_DESC(qlcnic_mac_learn, + "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); + +int qlcnic_use_msi = 1; +MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); +module_param_named(use_msi, qlcnic_use_msi, int, 0444); + +int qlcnic_use_msi_x = 1; +MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); +module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); + +int qlcnic_auto_fw_reset = 1; +MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); +module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); + +int qlcnic_load_fw_file; +MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); +module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); + +static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); +static void qlcnic_remove(struct pci_dev *pdev); +static int qlcnic_open(struct net_device *netdev); +static int qlcnic_close(struct net_device *netdev); +static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); +static void qlcnic_attach_work(struct work_struct *work); +static void qlcnic_fwinit_work(struct work_struct *work); + +static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); +static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); + +static irqreturn_t qlcnic_tmp_intr(int irq, void *data); +static irqreturn_t qlcnic_intr(int irq, void *data); +static irqreturn_t qlcnic_msi_intr(int irq, void *data); +static irqreturn_t qlcnic_msix_intr(int irq, void *data); +static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); + +static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); +static int qlcnic_start_firmware(struct qlcnic_adapter *); + +static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); +static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); +static int qlcnicvf_start_firmware(struct qlcnic_adapter *); +static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); +static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); + +static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); +static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); +static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); +static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); +static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); +static void qlcnic_82xx_io_resume(struct pci_dev *); +static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); +static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, + pci_channel_state_t); +static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) + return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; + else + return 1; +} + +/* PCI Device ID Table */ +#define ENTRY(device) \ + {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ + .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} + +static const struct pci_device_id qlcnic_pci_tbl[] = { + ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), + ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), + ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), + ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), + ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), + ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), + ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), + {0,} +}; + +MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); + + +inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) +{ + writel(tx_ring->producer, tx_ring->crb_cmd_producer); +} + +static const u32 msi_tgt_status[8] = { + ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, + ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, + ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, + ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 +}; + +static const u32 qlcnic_reg_tbl[] = { + 0x1B20A8, /* PEG_HALT_STAT1 */ + 0x1B20AC, /* PEG_HALT_STAT2 */ + 0x1B20B0, /* FW_HEARTBEAT */ + 0x1B2100, /* LOCK ID */ + 0x1B2128, /* FW_CAPABILITIES */ + 0x1B2138, /* drv active */ + 0x1B2140, /* dev state */ + 0x1B2144, /* drv state */ + 0x1B2148, /* drv scratch */ + 0x1B214C, /* dev partition info */ + 0x1B2174, /* drv idc ver */ + 0x1B2150, /* fw version major */ + 0x1B2154, /* fw version minor */ + 0x1B2158, /* fw version sub */ + 0x1B219C, /* npar state */ + 0x1B21FC, /* FW_IMG_VALID */ + 0x1B2250, /* CMD_PEG_STATE */ + 0x1B233C, /* RCV_PEG_STATE */ + 0x1B23B4, /* ASIC TEMP */ + 0x1B216C, /* FW api */ + 0x1B2170, /* drv op mode */ + 0x13C010, /* flash lock */ + 0x13C014, /* flash unlock */ +}; + +static const struct qlcnic_board_info qlcnic_boards[] = { + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE844X, + 0x0, + 0x0, + "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x24e, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x243, + "8300 Series Single Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x24a, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x246, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x252, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x26e, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x260, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x266, + "8300 Series Single Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x269, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + PCI_VENDOR_ID_QLOGIC, + 0x271, + "8300 Series Dual Port 10GbE Converged Network Adapter " + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE834X, + 0x0, 0x0, "8300 Series 1/10GbE Controller" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE8830, + 0x0, + 0x0, + "8830 Series 1/10GbE Controller" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x203, + "8200 Series Single Port 10GbE Converged Network Adapter" + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x207, + "8200 Series Dual Port 10GbE Converged Network Adapter" + "(TCP/IP Networking)" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x20b, + "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x20c, + "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x20f, + "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + 0x103c, 0x3733, + "NC523SFP 10Gb 2-port Server Adapter" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + 0x103c, 0x3346, + "CN1000Q Dual Port Converged Network Adapter" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + PCI_VENDOR_ID_QLOGIC, + 0x210, + "QME8242-k 10GbE Dual Port Mezzanine Card" }, + { PCI_VENDOR_ID_QLOGIC, + PCI_DEVICE_ID_QLOGIC_QLE824X, + 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, +}; + +#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) + +static const +struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; + +int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) +{ + int size = sizeof(struct qlcnic_host_sds_ring) * count; + + recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); + + return recv_ctx->sds_rings == NULL; +} + +void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) +{ + kfree(recv_ctx->sds_rings); + recv_ctx->sds_rings = NULL; +} + +int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct pci_dev *pdev = adapter->pdev; + u8 mac_addr[ETH_ALEN]; + int ret; + + ret = qlcnic_get_mac_address(adapter, mac_addr, + adapter->ahw->pci_func); + if (ret) + return ret; + + memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); + memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); + + /* set station address */ + + if (!is_valid_ether_addr(netdev->dev_addr)) + dev_warn(&pdev->dev, "Bad MAC address %pM.\n", + netdev->dev_addr); + + return 0; +} + +static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mac_vlan_list *cur; + struct list_head *head; + + list_for_each(head, &adapter->mac_list) { + cur = list_entry(head, struct qlcnic_mac_vlan_list, list); + if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { + qlcnic_sre_macaddr_change(adapter, cur->mac_addr, + 0, QLCNIC_MAC_DEL); + list_del(&cur->list); + kfree(cur); + return; + } + } +} + +static int qlcnic_set_mac(struct net_device *netdev, void *p) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (qlcnic_sriov_vf_check(adapter)) + return -EINVAL; + + if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) + return -EOPNOTSUPP; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EINVAL; + + if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && + ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) + return 0; + + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + netif_device_detach(netdev); + qlcnic_napi_disable(adapter); + } + + qlcnic_delete_adapter_mac(adapter); + memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + qlcnic_set_multi(adapter->netdev); + + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + netif_device_attach(netdev); + qlcnic_napi_enable(adapter); + } + return 0; +} + +static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *netdev, + const unsigned char *addr, u16 vid) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err = -EOPNOTSUPP; + + if (!adapter->fdb_mac_learn) + return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); + + if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || + qlcnic_sriov_check(adapter)) { + if (is_unicast_ether_addr(addr)) { + err = dev_uc_del(netdev, addr); + if (!err) + err = qlcnic_nic_del_mac(adapter, addr); + } else if (is_multicast_ether_addr(addr)) { + err = dev_mc_del(netdev, addr); + } else { + err = -EINVAL; + } + } + return err; +} + +static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *netdev, + const unsigned char *addr, u16 vid, u16 flags, + struct netlink_ext_ack *extack) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err = 0; + + if (!adapter->fdb_mac_learn) + return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && + !qlcnic_sriov_check(adapter)) { + pr_info("%s: FDB e-switch is not enabled\n", __func__); + return -EOPNOTSUPP; + } + + if (ether_addr_equal(addr, adapter->mac_addr)) + return err; + + if (is_unicast_ether_addr(addr)) { + if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) + err = dev_uc_add_excl(netdev, addr); + else + err = -ENOMEM; + } else if (is_multicast_ether_addr(addr)) { + err = dev_mc_add_excl(netdev, addr); + } else { + err = -EINVAL; + } + + return err; +} + +static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, + struct net_device *netdev, + struct net_device *filter_dev, int *idx) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err = 0; + + if (!adapter->fdb_mac_learn) + return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); + + if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || + qlcnic_sriov_check(adapter)) + err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); + + return err; +} + +static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) +{ + while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + usleep_range(10000, 11000); + + if (!adapter->fw_work.work.func) + return; + + cancel_delayed_work_sync(&adapter->fw_work); +} + +static int qlcnic_get_phys_port_id(struct net_device *netdev, + struct netdev_phys_item_id *ppid) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) + return -EOPNOTSUPP; + + ppid->id_len = sizeof(ahw->phys_port_id); + memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); + + return 0; +} + +static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table) +{ + struct qlcnic_adapter *adapter = netdev_priv(dev); + struct udp_tunnel_info ti; + int err; + + udp_tunnel_nic_get_port(dev, table, 0, &ti); + if (ti.port) { + err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port)); + if (err) + return err; + } + + return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port)); +} + +static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = { + .sync_table = qlcnic_udp_tunnel_sync, + .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP, + .tables = { + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, + }, +}; + +static netdev_features_t qlcnic_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features) +{ + features = vlan_features_check(skb, features); + return vxlan_features_check(skb, features); +} + +static const struct net_device_ops qlcnic_netdev_ops = { + .ndo_open = qlcnic_open, + .ndo_stop = qlcnic_close, + .ndo_start_xmit = qlcnic_xmit_frame, + .ndo_get_stats = qlcnic_get_stats, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_rx_mode = qlcnic_set_multi, + .ndo_set_mac_address = qlcnic_set_mac, + .ndo_change_mtu = qlcnic_change_mtu, + .ndo_fix_features = qlcnic_fix_features, + .ndo_set_features = qlcnic_set_features, + .ndo_tx_timeout = qlcnic_tx_timeout, + .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, + .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, + .ndo_fdb_add = qlcnic_fdb_add, + .ndo_fdb_del = qlcnic_fdb_del, + .ndo_fdb_dump = qlcnic_fdb_dump, + .ndo_get_phys_port_id = qlcnic_get_phys_port_id, + .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, + .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, + .ndo_features_check = qlcnic_features_check, +#ifdef CONFIG_QLCNIC_SRIOV + .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, + .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, + .ndo_get_vf_config = qlcnic_sriov_get_vf_config, + .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, + .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, +#endif +}; + +static const struct net_device_ops qlcnic_netdev_failed_ops = { + .ndo_open = qlcnic_open, +}; + +static struct qlcnic_nic_template qlcnic_ops = { + .config_bridged_mode = qlcnic_config_bridged_mode, + .config_led = qlcnic_82xx_config_led, + .start_firmware = qlcnic_82xx_start_firmware, + .request_reset = qlcnic_82xx_dev_request_reset, + .cancel_idc_work = qlcnic_82xx_cancel_idc_work, + .napi_add = qlcnic_82xx_napi_add, + .napi_del = qlcnic_82xx_napi_del, + .config_ipaddr = qlcnic_82xx_config_ipaddr, + .shutdown = qlcnic_82xx_shutdown, + .resume = qlcnic_82xx_resume, + .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, +}; + +struct qlcnic_nic_template qlcnic_vf_ops = { + .config_bridged_mode = qlcnicvf_config_bridged_mode, + .config_led = qlcnicvf_config_led, + .start_firmware = qlcnicvf_start_firmware +}; + +static struct qlcnic_hardware_ops qlcnic_hw_ops = { + .read_crb = qlcnic_82xx_read_crb, + .write_crb = qlcnic_82xx_write_crb, + .read_reg = qlcnic_82xx_hw_read_wx_2M, + .write_reg = qlcnic_82xx_hw_write_wx_2M, + .get_mac_address = qlcnic_82xx_get_mac_address, + .setup_intr = qlcnic_82xx_setup_intr, + .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, + .mbx_cmd = qlcnic_82xx_issue_cmd, + .get_func_no = qlcnic_82xx_get_func_no, + .api_lock = qlcnic_82xx_api_lock, + .api_unlock = qlcnic_82xx_api_unlock, + .add_sysfs = qlcnic_82xx_add_sysfs, + .remove_sysfs = qlcnic_82xx_remove_sysfs, + .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, + .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, + .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, + .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, + .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, + .setup_link_event = qlcnic_82xx_linkevent_request, + .get_nic_info = qlcnic_82xx_get_nic_info, + .get_pci_info = qlcnic_82xx_get_pci_info, + .set_nic_info = qlcnic_82xx_set_nic_info, + .change_macvlan = qlcnic_82xx_sre_macaddr_change, + .napi_enable = qlcnic_82xx_napi_enable, + .napi_disable = qlcnic_82xx_napi_disable, + .config_intr_coal = qlcnic_82xx_config_intr_coalesce, + .config_rss = qlcnic_82xx_config_rss, + .config_hw_lro = qlcnic_82xx_config_hw_lro, + .config_loopback = qlcnic_82xx_set_lb_mode, + .clear_loopback = qlcnic_82xx_clear_lb_mode, + .config_promisc_mode = qlcnic_82xx_nic_set_promisc, + .change_l2_filter = qlcnic_82xx_change_filter, + .get_board_info = qlcnic_82xx_get_board_info, + .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, + .free_mac_list = qlcnic_82xx_free_mac_list, + .read_phys_port_id = qlcnic_82xx_read_phys_port_id, + .io_error_detected = qlcnic_82xx_io_error_detected, + .io_slot_reset = qlcnic_82xx_io_slot_reset, + .io_resume = qlcnic_82xx_io_resume, + .get_beacon_state = qlcnic_82xx_get_beacon_state, + .enable_sds_intr = qlcnic_82xx_enable_sds_intr, + .disable_sds_intr = qlcnic_82xx_disable_sds_intr, + .enable_tx_intr = qlcnic_82xx_enable_tx_intr, + .disable_tx_intr = qlcnic_82xx_disable_tx_intr, + .get_saved_state = qlcnic_82xx_get_saved_state, + .set_saved_state = qlcnic_82xx_set_saved_state, + .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, + .get_cap_size = qlcnic_82xx_get_cap_size, + .set_sys_info = qlcnic_82xx_set_sys_info, + .store_cap_mask = qlcnic_82xx_store_cap_mask, + .encap_rx_offload = qlcnic_82xx_encap_rx_offload, + .encap_tx_offload = qlcnic_82xx_encap_tx_offload, +}; + +static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + if (qlcnic_82xx_check(adapter) && + (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { + test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); + return 0; + } else { + return 1; + } +} + +static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, + int queue_type) +{ + int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; + + if (queue_type == QLCNIC_RX_QUEUE) + max_rings = adapter->max_sds_rings; + else if (queue_type == QLCNIC_TX_QUEUE) + max_rings = adapter->max_tx_rings; + + num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), + max_rings)); + + if (ring_cnt > num_rings) + return num_rings; + else + return ring_cnt; +} + +void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) +{ + /* 83xx adapter does not have max_tx_rings intialized in probe */ + if (adapter->max_tx_rings) + adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, + QLCNIC_TX_QUEUE); + else + adapter->drv_tx_rings = tx_cnt; +} + +void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) +{ + /* 83xx adapter does not have max_sds_rings intialized in probe */ + if (adapter->max_sds_rings) + adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, + QLCNIC_RX_QUEUE); + else + adapter->drv_sds_rings = rx_cnt; +} + +int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + int num_msix = 0, err = 0, vector; + + adapter->flags &= ~QLCNIC_TSS_RSS; + + if (adapter->drv_tss_rings > 0) + num_msix += adapter->drv_tss_rings; + else + num_msix += adapter->drv_tx_rings; + + if (adapter->drv_rss_rings > 0) + num_msix += adapter->drv_rss_rings; + else + num_msix += adapter->drv_sds_rings; + + if (qlcnic_83xx_check(adapter)) + num_msix += 1; + + if (!adapter->msix_entries) { + adapter->msix_entries = kcalloc(num_msix, + sizeof(struct msix_entry), + GFP_KERNEL); + if (!adapter->msix_entries) + return -ENOMEM; + } + + for (vector = 0; vector < num_msix; vector++) + adapter->msix_entries[vector].entry = vector; + +restore: + err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); + if (err == -ENOSPC) { + if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) + return err; + + netdev_info(adapter->netdev, + "Unable to allocate %d MSI-X vectors, Available vectors %d\n", + num_msix, err); + + num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; + + /* Set rings to 0 so we can restore original TSS/RSS count */ + adapter->drv_tss_rings = 0; + adapter->drv_rss_rings = 0; + + if (qlcnic_83xx_check(adapter)) + num_msix += 1; + + netdev_info(adapter->netdev, + "Restoring %d Tx, %d SDS rings for total %d vectors.\n", + adapter->drv_tx_rings, adapter->drv_sds_rings, + num_msix); + + goto restore; + } else if (err < 0) { + return err; + } + + adapter->ahw->num_msix = num_msix; + if (adapter->drv_tss_rings > 0) + adapter->drv_tx_rings = adapter->drv_tss_rings; + + if (adapter->drv_rss_rings > 0) + adapter->drv_sds_rings = adapter->drv_rss_rings; + + return 0; +} + +int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) +{ + struct pci_dev *pdev = adapter->pdev; + int err, vector; + + if (!adapter->msix_entries) { + adapter->msix_entries = kcalloc(num_msix, + sizeof(struct msix_entry), + GFP_KERNEL); + if (!adapter->msix_entries) + return -ENOMEM; + } + + adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); + + if (adapter->ahw->msix_supported) { +enable_msix: + for (vector = 0; vector < num_msix; vector++) + adapter->msix_entries[vector].entry = vector; + + err = pci_enable_msix_range(pdev, + adapter->msix_entries, 1, num_msix); + + if (err == num_msix) { + adapter->flags |= QLCNIC_MSIX_ENABLED; + adapter->ahw->num_msix = num_msix; + dev_info(&pdev->dev, "using msi-x interrupts\n"); + return 0; + } else if (err > 0) { + pci_disable_msix(pdev); + + dev_info(&pdev->dev, + "Unable to allocate %d MSI-X vectors, Available vectors %d\n", + num_msix, err); + + if (qlcnic_82xx_check(adapter)) { + num_msix = rounddown_pow_of_two(err); + if (err < QLCNIC_82XX_MINIMUM_VECTOR) + return -ENOSPC; + } else { + num_msix = rounddown_pow_of_two(err - 1); + num_msix += 1; + if (err < QLCNIC_83XX_MINIMUM_VECTOR) + return -ENOSPC; + } + + if (qlcnic_82xx_check(adapter) && + !qlcnic_check_multi_tx(adapter)) { + adapter->drv_sds_rings = num_msix; + adapter->drv_tx_rings = QLCNIC_SINGLE_RING; + } else { + /* Distribute vectors equally */ + adapter->drv_tx_rings = num_msix / 2; + adapter->drv_sds_rings = adapter->drv_tx_rings; + } + + if (num_msix) { + dev_info(&pdev->dev, + "Trying to allocate %d MSI-X interrupt vectors\n", + num_msix); + goto enable_msix; + } + } else { + dev_info(&pdev->dev, + "Unable to allocate %d MSI-X vectors, err=%d\n", + num_msix, err); + return err; + } + } + + return -EIO; +} + +static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) +{ + int num_msix; + + num_msix = adapter->drv_sds_rings; + + if (qlcnic_check_multi_tx(adapter)) + num_msix += adapter->drv_tx_rings; + else + num_msix += QLCNIC_SINGLE_RING; + + return num_msix; +} + +static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) +{ + int err = 0; + u32 offset, mask_reg; + const struct qlcnic_legacy_intr_set *legacy_intrp; + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct pci_dev *pdev = adapter->pdev; + + if (qlcnic_use_msi && !pci_enable_msi(pdev)) { + adapter->flags |= QLCNIC_MSI_ENABLED; + offset = msi_tgt_status[adapter->ahw->pci_func]; + adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, + offset); + dev_info(&pdev->dev, "using msi interrupts\n"); + adapter->msix_entries[0].vector = pdev->irq; + return err; + } + + if (qlcnic_use_msi || qlcnic_use_msi_x) + return -EOPNOTSUPP; + + legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; + adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; + offset = legacy_intrp->tgt_status_reg; + adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); + mask_reg = legacy_intrp->tgt_mask_reg; + adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); + adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); + adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); + dev_info(&pdev->dev, "using legacy interrupts\n"); + adapter->msix_entries[0].vector = pdev->irq; + return err; +} + +static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) +{ + int num_msix, err = 0; + + if (adapter->flags & QLCNIC_TSS_RSS) { + err = qlcnic_setup_tss_rss_intr(adapter); + if (err < 0) + return err; + num_msix = adapter->ahw->num_msix; + } else { + num_msix = qlcnic_82xx_calculate_msix_vector(adapter); + + err = qlcnic_enable_msix(adapter, num_msix); + if (err == -ENOMEM) + return err; + + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { + qlcnic_disable_multi_tx(adapter); + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; + + err = qlcnic_enable_msi_legacy(adapter); + if (err) + return err; + } + } + + return 0; +} + +int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err, i; + + if (qlcnic_check_multi_tx(adapter) && + !ahw->diag_test && + (adapter->flags & QLCNIC_MSIX_ENABLED)) { + ahw->intr_tbl = + vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), + ahw->num_msix)); + if (!ahw->intr_tbl) + return -ENOMEM; + + for (i = 0; i < ahw->num_msix; i++) { + ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; + ahw->intr_tbl[i].id = i; + ahw->intr_tbl[i].src = 0; + } + + err = qlcnic_82xx_config_intrpt(adapter, 1); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to configure Interrupt for %d vector\n", + ahw->num_msix); + return err; + } + + return 0; +} + +void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) +{ + if (adapter->flags & QLCNIC_MSIX_ENABLED) + pci_disable_msix(adapter->pdev); + if (adapter->flags & QLCNIC_MSI_ENABLED) + pci_disable_msi(adapter->pdev); + + kfree(adapter->msix_entries); + adapter->msix_entries = NULL; + + if (adapter->ahw->intr_tbl) { + vfree(adapter->ahw->intr_tbl); + adapter->ahw->intr_tbl = NULL; + } +} + +static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) +{ + if (ahw->pci_base0 != NULL) + iounmap(ahw->pci_base0); +} + +static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_pci_info *pci_info; + int ret; + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { + switch (ahw->port_type) { + case QLCNIC_GBE: + ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; + break; + case QLCNIC_XGBE: + ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; + break; + } + return 0; + } + + if (ahw->op_mode == QLCNIC_MGMT_FUNC) + return 0; + + pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); + if (!pci_info) + return -ENOMEM; + + ret = qlcnic_get_pci_info(adapter, pci_info); + kfree(pci_info); + return ret; +} + +static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) +{ + bool ret = false; + + if (qlcnic_84xx_check(adapter)) { + ret = true; + } else if (qlcnic_83xx_check(adapter)) { + if (adapter->ahw->extra_capability[0] & + QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) + ret = true; + else + ret = false; + } + + return ret; +} + +int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_pci_info *pci_info; + int i, id = 0, ret = 0, j = 0; + u16 act_pci_func; + u8 pfn; + + pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); + if (!pci_info) + return -ENOMEM; + + ret = qlcnic_get_pci_info(adapter, pci_info); + if (ret) + goto err_pci_info; + + act_pci_func = ahw->total_nic_func; + + adapter->npars = kcalloc(act_pci_func, + sizeof(struct qlcnic_npar_info), + GFP_KERNEL); + if (!adapter->npars) { + ret = -ENOMEM; + goto err_pci_info; + } + + adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, + sizeof(struct qlcnic_eswitch), + GFP_KERNEL); + if (!adapter->eswitch) { + ret = -ENOMEM; + goto err_npars; + } + + for (i = 0; i < ahw->max_vnic_func; i++) { + pfn = pci_info[i].id; + + if (pfn >= ahw->max_vnic_func) { + ret = -EINVAL; + dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", + __func__, pfn, ahw->max_vnic_func); + goto err_eswitch; + } + + if (!pci_info[i].active || + (pci_info[i].type != QLCNIC_TYPE_NIC)) + continue; + + if (qlcnic_port_eswitch_cfg_capability(adapter)) { + if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, + &id)) + adapter->npars[j].eswitch_status = true; + else + continue; + } else { + adapter->npars[j].eswitch_status = true; + } + + adapter->npars[j].pci_func = pfn; + adapter->npars[j].active = (u8)pci_info[i].active; + adapter->npars[j].type = (u8)pci_info[i].type; + adapter->npars[j].phy_port = (u8)pci_info[i].default_port; + adapter->npars[j].min_bw = pci_info[i].tx_min_bw; + adapter->npars[j].max_bw = pci_info[i].tx_max_bw; + + memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); + j++; + } + + /* Update eSwitch status for adapters without per port eSwitch + * configuration capability + */ + if (!qlcnic_port_eswitch_cfg_capability(adapter)) { + for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) + adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; + } + + kfree(pci_info); + return 0; + +err_eswitch: + kfree(adapter->eswitch); + adapter->eswitch = NULL; +err_npars: + kfree(adapter->npars); + adapter->npars = NULL; +err_pci_info: + kfree(pci_info); + + return ret; +} + +static int +qlcnic_set_function_modes(struct qlcnic_adapter *adapter) +{ + u8 id; + int ret; + u32 data = QLCNIC_MGMT_FUNC; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + ret = qlcnic_api_lock(adapter); + if (ret) + goto err_lock; + + id = ahw->pci_func; + data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); + data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | + QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); + QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); + qlcnic_api_unlock(adapter); +err_lock: + return ret; +} + +static void qlcnic_check_vf(struct qlcnic_adapter *adapter, + const struct pci_device_id *ent) +{ + u32 op_mode, priv_level; + + /* Determine FW API version */ + adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, + QLCNIC_FW_API); + + /* Find PCI function number */ + qlcnic_get_func_no(adapter); + + /* Determine function privilege level */ + op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); + if (op_mode == QLC_DEV_DRV_DEFAULT) + priv_level = QLCNIC_MGMT_FUNC; + else + priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); + + if (priv_level == QLCNIC_NON_PRIV_FUNC) { + adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; + dev_info(&adapter->pdev->dev, + "HAL Version: %d Non Privileged function\n", + adapter->ahw->fw_hal_version); + adapter->nic_ops = &qlcnic_vf_ops; + } else + adapter->nic_ops = &qlcnic_ops; +} + +#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL +#define QLCNIC_83XX_BAR0_LENGTH 0x4000 +static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) +{ + switch (dev_id) { + case PCI_DEVICE_ID_QLOGIC_QLE824X: + *bar = QLCNIC_82XX_BAR0_LENGTH; + break; + case PCI_DEVICE_ID_QLOGIC_QLE834X: + case PCI_DEVICE_ID_QLOGIC_QLE8830: + case PCI_DEVICE_ID_QLOGIC_QLE844X: + case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: + case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: + case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: + *bar = QLCNIC_83XX_BAR0_LENGTH; + break; + default: + *bar = 0; + } +} + +static int qlcnic_setup_pci_map(struct pci_dev *pdev, + struct qlcnic_hardware_context *ahw) +{ + u32 offset; + void __iomem *mem_ptr0 = NULL; + unsigned long mem_len, pci_len0 = 0, bar0_len; + + /* remap phys address */ + mem_len = pci_resource_len(pdev, 0); + + qlcnic_get_bar_length(pdev->device, &bar0_len); + if (mem_len >= bar0_len) { + + mem_ptr0 = pci_ioremap_bar(pdev, 0); + if (mem_ptr0 == NULL) { + dev_err(&pdev->dev, "failed to map PCI bar 0\n"); + return -EIO; + } + pci_len0 = mem_len; + } else { + return -EIO; + } + + dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); + + ahw->pci_base0 = mem_ptr0; + ahw->pci_len0 = pci_len0; + offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); + qlcnic_get_ioaddr(ahw, offset); + + return 0; +} + +static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, + int index) +{ + struct pci_dev *pdev = adapter->pdev; + unsigned short subsystem_vendor; + bool ret = true; + + subsystem_vendor = pdev->subsystem_vendor; + + if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || + pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { + if (qlcnic_boards[index].sub_vendor == subsystem_vendor && + qlcnic_boards[index].sub_device == pdev->subsystem_device) + ret = true; + else + ret = false; + } + + return ret; +} + +static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) +{ + struct pci_dev *pdev = adapter->pdev; + int i, found = 0; + + for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { + if (qlcnic_boards[i].vendor == pdev->vendor && + qlcnic_boards[i].device == pdev->device && + qlcnic_validate_subsystem_id(adapter, i)) { + found = 1; + break; + } + } + + if (!found) + sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); + else + sprintf(name, "%pM: %s" , adapter->mac_addr, + qlcnic_boards[i].short_name); +} + +static void +qlcnic_check_options(struct qlcnic_adapter *adapter) +{ + int err; + u32 fw_major, fw_minor, fw_build, prev_fw_version; + struct pci_dev *pdev = adapter->pdev; + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; + + prev_fw_version = adapter->fw_version; + + fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); + fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); + fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); + + adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); + + err = qlcnic_get_board_info(adapter); + if (err) { + dev_err(&pdev->dev, "Error getting board config info.\n"); + return; + } + if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { + if (fw_dump->tmpl_hdr == NULL || + adapter->fw_version > prev_fw_version) { + vfree(fw_dump->tmpl_hdr); + if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) + dev_info(&pdev->dev, + "Supports FW dump capability\n"); + } + } + + dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", + QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); + + if (adapter->ahw->port_type == QLCNIC_XGBE) { + if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; + } else { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; + } + + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + + } else if (adapter->ahw->port_type == QLCNIC_GBE) { + adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; + } + + adapter->ahw->msix_supported = !!qlcnic_use_msi_x; + + adapter->num_txd = MAX_CMD_DESCRIPTORS; + + adapter->max_rds_rings = MAX_RDS_RINGS; +} + +static int +qlcnic_initialize_nic(struct qlcnic_adapter *adapter) +{ + struct qlcnic_info nic_info; + int err = 0; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); + if (err) + return err; + + adapter->ahw->physical_port = (u8)nic_info.phys_port; + adapter->ahw->switch_mode = nic_info.switch_mode; + adapter->ahw->max_tx_ques = nic_info.max_tx_ques; + adapter->ahw->max_rx_ques = nic_info.max_rx_ques; + adapter->ahw->capabilities = nic_info.capabilities; + + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { + u32 temp; + temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); + if (err == -EIO) + return err; + adapter->ahw->extra_capability[0] = temp; + } else { + adapter->ahw->extra_capability[0] = 0; + } + + adapter->ahw->max_mac_filters = nic_info.max_mac_filters; + adapter->ahw->max_mtu = nic_info.max_mtu; + + if (adapter->ahw->capabilities & BIT_6) { + adapter->flags |= QLCNIC_ESWITCH_ENABLED; + adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; + adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; + adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; + + dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); + } else { + adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; + adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; + adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; + adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; + } + + return err; +} + +void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg) +{ + if (esw_cfg->discard_tagged) + adapter->flags &= ~QLCNIC_TAGGING_ENABLED; + else + adapter->flags |= QLCNIC_TAGGING_ENABLED; + + if (esw_cfg->vlan_id) { + adapter->rx_pvid = esw_cfg->vlan_id; + adapter->tx_pvid = esw_cfg->vlan_id; + } else { + adapter->rx_pvid = 0; + adapter->tx_pvid = 0; + } +} + +static int +qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err; + + if (qlcnic_sriov_vf_check(adapter)) { + err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); + if (err) { + netdev_err(netdev, + "Cannot add VLAN filter for VLAN id %d, err=%d", + vid, err); + return err; + } + } + + set_bit(vid, adapter->vlans); + return 0; +} + +static int +qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err; + + if (qlcnic_sriov_vf_check(adapter)) { + err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); + if (err) { + netdev_err(netdev, + "Cannot delete VLAN filter for VLAN id %d, err=%d", + vid, err); + return err; + } + } + + qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); + clear_bit(vid, adapter->vlans); + return 0; +} + +void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg) +{ + adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | + QLCNIC_PROMISC_DISABLED); + + if (esw_cfg->mac_anti_spoof) + adapter->flags |= QLCNIC_MACSPOOF; + + if (!esw_cfg->mac_override) + adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; + + if (!esw_cfg->promisc_mode) + adapter->flags |= QLCNIC_PROMISC_DISABLED; +} + +int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) +{ + struct qlcnic_esw_func_cfg esw_cfg; + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return 0; + + esw_cfg.pci_func = adapter->ahw->pci_func; + if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) + return -EIO; + qlcnic_set_vlan_config(adapter, &esw_cfg); + qlcnic_set_eswitch_port_features(adapter, &esw_cfg); + qlcnic_set_netdev_features(adapter, &esw_cfg); + + return 0; +} + +void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg) +{ + struct net_device *netdev = adapter->netdev; + + if (qlcnic_83xx_check(adapter)) + return; + + adapter->offload_flags = esw_cfg->offload_flags; + adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; + netdev_update_features(netdev); + adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; +} + +static int +qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) +{ + u32 op_mode, priv_level; + int err = 0; + + err = qlcnic_initialize_nic(adapter); + if (err) + return err; + + if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) + return 0; + + op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); + priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); + + if (op_mode == QLC_DEV_DRV_DEFAULT) + priv_level = QLCNIC_MGMT_FUNC; + else + priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); + + if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { + if (priv_level == QLCNIC_MGMT_FUNC) { + adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; + err = qlcnic_init_pci_info(adapter); + if (err) + return err; + /* Set privilege level for other functions */ + qlcnic_set_function_modes(adapter); + dev_info(&adapter->pdev->dev, + "HAL Version: %d, Management function\n", + adapter->ahw->fw_hal_version); + } else if (priv_level == QLCNIC_PRIV_FUNC) { + adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; + dev_info(&adapter->pdev->dev, + "HAL Version: %d, Privileged function\n", + adapter->ahw->fw_hal_version); + } + } else { + adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; + } + + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + + return err; +} + +int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) +{ + struct qlcnic_esw_func_cfg esw_cfg; + struct qlcnic_npar_info *npar; + u8 i; + + if (adapter->need_fw_reset) + return 0; + + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + if (!adapter->npars[i].eswitch_status) + continue; + + memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); + esw_cfg.pci_func = adapter->npars[i].pci_func; + esw_cfg.mac_override = BIT_0; + esw_cfg.promisc_mode = BIT_0; + if (qlcnic_82xx_check(adapter)) { + esw_cfg.offload_flags = BIT_0; + if (QLCNIC_IS_TSO_CAPABLE(adapter)) + esw_cfg.offload_flags |= (BIT_1 | BIT_2); + } + if (qlcnic_config_switch_port(adapter, &esw_cfg)) + return -EIO; + npar = &adapter->npars[i]; + npar->pvid = esw_cfg.vlan_id; + npar->mac_override = esw_cfg.mac_override; + npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; + npar->discard_tagged = esw_cfg.discard_tagged; + npar->promisc_mode = esw_cfg.promisc_mode; + npar->offload_flags = esw_cfg.offload_flags; + } + + return 0; +} + + +static int +qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, + struct qlcnic_npar_info *npar, int pci_func) +{ + struct qlcnic_esw_func_cfg esw_cfg; + esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; + esw_cfg.pci_func = pci_func; + esw_cfg.vlan_id = npar->pvid; + esw_cfg.mac_override = npar->mac_override; + esw_cfg.discard_tagged = npar->discard_tagged; + esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; + esw_cfg.offload_flags = npar->offload_flags; + esw_cfg.promisc_mode = npar->promisc_mode; + if (qlcnic_config_switch_port(adapter, &esw_cfg)) + return -EIO; + + esw_cfg.op_mode = QLCNIC_ADD_VLAN; + if (qlcnic_config_switch_port(adapter, &esw_cfg)) + return -EIO; + + return 0; +} + +int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) +{ + int i, err; + struct qlcnic_npar_info *npar; + struct qlcnic_info nic_info; + u8 pci_func; + + if (qlcnic_82xx_check(adapter)) + if (!adapter->need_fw_reset) + return 0; + + /* Set the NPAR config data after FW reset */ + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + npar = &adapter->npars[i]; + pci_func = npar->pci_func; + if (!adapter->npars[i].eswitch_status) + continue; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); + if (err) + return err; + nic_info.min_tx_bw = npar->min_bw; + nic_info.max_tx_bw = npar->max_bw; + err = qlcnic_set_nic_info(adapter, &nic_info); + if (err) + return err; + + if (npar->enable_pm) { + err = qlcnic_config_port_mirroring(adapter, + npar->dest_npar, 1, + pci_func); + if (err) + return err; + } + err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); + if (err) + return err; + } + return 0; +} + +static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) +{ + u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; + u32 npar_state; + + if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) + return 0; + + npar_state = QLC_SHARED_REG_RD32(adapter, + QLCNIC_CRB_DEV_NPAR_STATE); + while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { + msleep(1000); + npar_state = QLC_SHARED_REG_RD32(adapter, + QLCNIC_CRB_DEV_NPAR_STATE); + } + if (!npar_opt_timeo) { + dev_err(&adapter->pdev->dev, + "Waiting for NPAR state to operational timeout\n"); + return -EIO; + } + return 0; +} + +static int +qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) +{ + int err; + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || + adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + return 0; + + err = qlcnic_set_default_offload_settings(adapter); + if (err) + return err; + + err = qlcnic_reset_npar_config(adapter); + if (err) + return err; + + qlcnic_dev_set_npar_ready(adapter); + + return err; +} + +static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) +{ + int err; + + err = qlcnic_can_start_firmware(adapter); + if (err < 0) + return err; + else if (!err) + goto check_fw_status; + + if (qlcnic_load_fw_file) + qlcnic_request_firmware(adapter); + else { + err = qlcnic_check_flash_fw_ver(adapter); + if (err) + goto err_out; + + adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; + } + + err = qlcnic_need_fw_reset(adapter); + if (err == 0) + goto check_fw_status; + + err = qlcnic_pinit_from_rom(adapter); + if (err) + goto err_out; + + err = qlcnic_load_firmware(adapter); + if (err) + goto err_out; + + qlcnic_release_firmware(adapter); + QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); + +check_fw_status: + err = qlcnic_check_fw_status(adapter); + if (err) + goto err_out; + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); + qlcnic_idc_debug_info(adapter, 1); + err = qlcnic_check_eswitch_mode(adapter); + if (err) { + dev_err(&adapter->pdev->dev, + "Memory allocation failed for eswitch\n"); + goto err_out; + } + err = qlcnic_set_mgmt_operations(adapter); + if (err) + goto err_out; + + qlcnic_check_options(adapter); + adapter->need_fw_reset = 0; + + qlcnic_release_firmware(adapter); + return 0; + +err_out: + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); + dev_err(&adapter->pdev->dev, "Device state set to failed\n"); + + qlcnic_release_firmware(adapter); + return err; +} + +static int +qlcnic_request_irq(struct qlcnic_adapter *adapter) +{ + irq_handler_t handler; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + int err, ring, num_sds_rings; + + unsigned long flags = 0; + struct net_device *netdev = adapter->netdev; + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { + if (qlcnic_82xx_check(adapter)) + handler = qlcnic_tmp_intr; + else + handler = qlcnic_83xx_tmp_intr; + if (!QLCNIC_IS_MSI_FAMILY(adapter)) + flags |= IRQF_SHARED; + + } else { + if (adapter->flags & QLCNIC_MSIX_ENABLED) + handler = qlcnic_msix_intr; + else if (adapter->flags & QLCNIC_MSI_ENABLED) + handler = qlcnic_msi_intr; + else { + flags |= IRQF_SHARED; + if (qlcnic_82xx_check(adapter)) + handler = qlcnic_intr; + else + handler = qlcnic_83xx_intr; + } + } + adapter->irq = netdev->irq; + + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { + if (qlcnic_82xx_check(adapter) || + (qlcnic_83xx_check(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED))) { + num_sds_rings = adapter->drv_sds_rings; + for (ring = 0; ring < num_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + if (qlcnic_82xx_check(adapter) && + !qlcnic_check_multi_tx(adapter) && + (ring == (num_sds_rings - 1))) { + if (!(adapter->flags & + QLCNIC_MSIX_ENABLED)) + snprintf(sds_ring->name, + sizeof(sds_ring->name), + "qlcnic"); + else + snprintf(sds_ring->name, + sizeof(sds_ring->name), + "%s-tx-0-rx-%d", + netdev->name, ring); + } else { + snprintf(sds_ring->name, + sizeof(sds_ring->name), + "%s-rx-%d", + netdev->name, ring); + } + err = request_irq(sds_ring->irq, handler, flags, + sds_ring->name, sds_ring); + if (err) + return err; + } + } + if ((qlcnic_82xx_check(adapter) && + qlcnic_check_multi_tx(adapter)) || + (qlcnic_83xx_check(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { + handler = qlcnic_msix_tx_intr; + for (ring = 0; ring < adapter->drv_tx_rings; + ring++) { + tx_ring = &adapter->tx_ring[ring]; + snprintf(tx_ring->name, sizeof(tx_ring->name), + "%s-tx-%d", netdev->name, ring); + err = request_irq(tx_ring->irq, handler, flags, + tx_ring->name, tx_ring); + if (err) + return err; + } + } + } + return 0; +} + +static void +qlcnic_free_irq(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + + if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { + if (qlcnic_82xx_check(adapter) || + (qlcnic_83xx_check(adapter) && + (adapter->flags & QLCNIC_MSIX_ENABLED))) { + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + free_irq(sds_ring->irq, sds_ring); + } + } + if ((qlcnic_83xx_check(adapter) && + !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || + (qlcnic_82xx_check(adapter) && + qlcnic_check_multi_tx(adapter))) { + for (ring = 0; ring < adapter->drv_tx_rings; + ring++) { + tx_ring = &adapter->tx_ring[ring]; + if (tx_ring->irq) + free_irq(tx_ring->irq, tx_ring); + } + } + } +} + +static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) +{ + u32 capab = 0; + + if (qlcnic_82xx_check(adapter)) { + if (adapter->ahw->extra_capability[0] & + QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) + adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; + } else { + capab = adapter->ahw->capabilities; + if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) + adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; + } +} + +static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err; + + /* Initialize interrupt coalesce parameters */ + ahw->coal.flag = QLCNIC_INTR_DEFAULT; + + if (qlcnic_83xx_check(adapter)) { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; + ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; + ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + + err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); + } else { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + + err = qlcnic_82xx_set_rx_coalesce(adapter); + } + + return err; +} + +int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) +{ + int ring; + struct qlcnic_host_rds_ring *rds_ring; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return -EIO; + + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + return 0; + + if (qlcnic_set_eswitch_port_config(adapter)) + return -EIO; + + qlcnic_get_lro_mss_capability(adapter); + + if (qlcnic_fw_create_ctx(adapter)) + return -EIO; + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx->rds_rings[ring]; + qlcnic_post_rx_buffers(adapter, rds_ring, ring); + } + + qlcnic_set_multi(netdev); + qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); + + adapter->ahw->linkup = 0; + + if (adapter->drv_sds_rings > 1) + qlcnic_config_rss(adapter, 1); + + qlcnic_config_def_intr_coalesce(adapter); + + if (netdev->features & NETIF_F_LRO) + qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); + + set_bit(__QLCNIC_DEV_UP, &adapter->state); + qlcnic_napi_enable(adapter); + + qlcnic_linkevent_request(adapter, 1); + + adapter->ahw->reset_context = 0; + netif_tx_start_all_queues(netdev); + return 0; +} + +int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) +{ + int err = 0; + + rtnl_lock(); + if (netif_running(netdev)) + err = __qlcnic_up(adapter, netdev); + rtnl_unlock(); + + return err; +} + +void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) +{ + int ring; + + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) + return; + + smp_mb(); + netif_carrier_off(netdev); + adapter->ahw->linkup = 0; + netif_tx_disable(netdev); + + qlcnic_free_mac_list(adapter); + + if (adapter->fhash.fnum) + qlcnic_delete_lb_filters(adapter); + + qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); + if (qlcnic_sriov_vf_check(adapter)) + qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); + + qlcnic_napi_disable(adapter); + + qlcnic_fw_destroy_ctx(adapter); + adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; + + qlcnic_reset_rx_buffers_list(adapter); + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) + qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); +} + +/* Usage: During suspend and firmware recovery module */ + +void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) +{ + rtnl_lock(); + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + rtnl_unlock(); + +} + +int +qlcnic_attach(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct pci_dev *pdev = adapter->pdev; + int err; + + if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) + return 0; + + err = qlcnic_napi_add(adapter, netdev); + if (err) + return err; + + err = qlcnic_alloc_sw_resources(adapter); + if (err) { + dev_err(&pdev->dev, "Error in setting sw resources\n"); + goto err_out_napi_del; + } + + err = qlcnic_alloc_hw_resources(adapter); + if (err) { + dev_err(&pdev->dev, "Error in setting hw resources\n"); + goto err_out_free_sw; + } + + err = qlcnic_request_irq(adapter); + if (err) { + dev_err(&pdev->dev, "failed to setup interrupt\n"); + goto err_out_free_hw; + } + + qlcnic_create_sysfs_entries(adapter); + + if (qlcnic_encap_rx_offload(adapter)) + udp_tunnel_nic_reset_ntf(netdev); + + adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; + return 0; + +err_out_free_hw: + qlcnic_free_hw_resources(adapter); +err_out_free_sw: + qlcnic_free_sw_resources(adapter); +err_out_napi_del: + qlcnic_napi_del(adapter); + return err; +} + +void qlcnic_detach(struct qlcnic_adapter *adapter) +{ + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + + qlcnic_remove_sysfs_entries(adapter); + + qlcnic_free_hw_resources(adapter); + qlcnic_release_rx_buffers(adapter); + qlcnic_free_irq(adapter); + qlcnic_napi_del(adapter); + qlcnic_free_sw_resources(adapter); + + adapter->is_up = 0; +} + +void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_host_sds_ring *sds_ring; + int drv_tx_rings = adapter->drv_tx_rings; + int ring; + + clear_bit(__QLCNIC_DEV_UP, &adapter->state); + if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &adapter->recv_ctx->sds_rings[ring]; + qlcnic_disable_sds_intr(adapter, sds_ring); + } + } + + qlcnic_fw_destroy_ctx(adapter); + + qlcnic_detach(adapter); + + adapter->ahw->diag_test = 0; + adapter->drv_sds_rings = drv_sds_rings; + adapter->drv_tx_rings = drv_tx_rings; + + if (qlcnic_attach(adapter)) + goto out; + + if (netif_running(netdev)) + __qlcnic_up(adapter, netdev); +out: + netif_device_attach(netdev); +} + +static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err = 0; + + adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), + GFP_KERNEL); + if (!adapter->recv_ctx) { + err = -ENOMEM; + goto err_out; + } + + if (qlcnic_83xx_check(adapter)) { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; + ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; + ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + } else { + ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; + ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; + ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; + } + + /* clear stats */ + memset(&adapter->stats, 0, sizeof(adapter->stats)); +err_out: + return err; +} + +static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + + kfree(adapter->recv_ctx); + adapter->recv_ctx = NULL; + + if (fw_dump->tmpl_hdr) { + vfree(fw_dump->tmpl_hdr); + fw_dump->tmpl_hdr = NULL; + } + + if (fw_dump->dma_buffer) { + dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, + fw_dump->dma_buffer, fw_dump->phys_addr); + fw_dump->dma_buffer = NULL; + } + + kfree(adapter->ahw->reset.buff); + adapter->ahw->fw_dump.tmpl_hdr = NULL; +} + +int qlcnic_diag_alloc_res(struct net_device *netdev, int test) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_rds_ring *rds_ring; + int ring; + int ret; + + netif_device_detach(netdev); + + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + qlcnic_detach(adapter); + + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; + adapter->ahw->diag_test = test; + adapter->ahw->linkup = 0; + + ret = qlcnic_attach(adapter); + if (ret) { + netif_device_attach(netdev); + return ret; + } + + ret = qlcnic_fw_create_ctx(adapter); + if (ret) { + qlcnic_detach(adapter); + netif_device_attach(netdev); + return ret; + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx->rds_rings[ring]; + qlcnic_post_rx_buffers(adapter, rds_ring, ring); + } + + if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &adapter->recv_ctx->sds_rings[ring]; + qlcnic_enable_sds_intr(adapter, sds_ring); + } + } + + if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { + adapter->ahw->loopback_state = 0; + qlcnic_linkevent_request(adapter, 1); + } + + set_bit(__QLCNIC_DEV_UP, &adapter->state); + + return 0; +} + +/* Reset context in hardware only */ +static int +qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + netif_device_detach(netdev); + + qlcnic_down(adapter, netdev); + + qlcnic_up(adapter, netdev); + + netif_device_attach(netdev); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); + return 0; +} + +int +qlcnic_reset_context(struct qlcnic_adapter *adapter) +{ + int err = 0; + struct net_device *netdev = adapter->netdev; + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { + + netif_device_detach(netdev); + + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + qlcnic_detach(adapter); + + if (netif_running(netdev)) { + err = qlcnic_attach(adapter); + if (!err) { + __qlcnic_up(adapter, netdev); + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + } + + netif_device_attach(netdev); + } + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return err; +} + +static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u16 act_pci_fn = ahw->total_nic_func; + u16 count; + + ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; + if (act_pci_fn <= 2) + count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / + act_pci_fn; + else + count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / + act_pci_fn; + ahw->max_uc_count = count; +} + +static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, + u8 tx_queues, u8 rx_queues) +{ + struct net_device *netdev = adapter->netdev; + int err = 0; + + if (tx_queues) { + err = netif_set_real_num_tx_queues(netdev, tx_queues); + if (err) { + netdev_err(netdev, "failed to set %d Tx queues\n", + tx_queues); + return err; + } + } + + if (rx_queues) { + err = netif_set_real_num_rx_queues(netdev, rx_queues); + if (err) + netdev_err(netdev, "failed to set %d Rx queues\n", + rx_queues); + } + + return err; +} + +int +qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, + int pci_using_dac) +{ + int err; + struct pci_dev *pdev = adapter->pdev; + + adapter->rx_csum = 1; + adapter->ahw->mc_enabled = 0; + qlcnic_set_mac_filter_count(adapter); + + netdev->netdev_ops = &qlcnic_netdev_ops; + netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; + + qlcnic_change_mtu(netdev, netdev->mtu); + + netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? + &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; + + netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_IPV6_CSUM | NETIF_F_GRO | + NETIF_F_HW_VLAN_CTAG_RX); + netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM); + + if (QLCNIC_IS_TSO_CAPABLE(adapter)) { + netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); + netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); + } + + if (pci_using_dac) { + netdev->features |= NETIF_F_HIGHDMA; + netdev->vlan_features |= NETIF_F_HIGHDMA; + } + + if (qlcnic_vlan_tx_check(adapter)) + netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); + + if (qlcnic_sriov_vf_check(adapter)) + netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) + netdev->features |= NETIF_F_LRO; + + if (qlcnic_encap_tx_offload(adapter)) { + netdev->features |= NETIF_F_GSO_UDP_TUNNEL; + + /* encapsulation Tx offload supported by Adapter */ + netdev->hw_enc_features = NETIF_F_IP_CSUM | + NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_TSO | + NETIF_F_TSO6; + } + + if (qlcnic_encap_rx_offload(adapter)) { + netdev->hw_enc_features |= NETIF_F_RXCSUM; + + netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; + } + + netdev->hw_features = netdev->features; + netdev->priv_flags |= IFF_UNICAST_FLT; + netdev->irq = adapter->msix_entries[0].vector; + + /* MTU range: 68 - 9600 */ + netdev->min_mtu = P3P_MIN_MTU; + netdev->max_mtu = P3P_MAX_MTU; + + err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, + adapter->drv_sds_rings); + if (err) + return err; + + qlcnic_dcb_init_dcbnl_ops(adapter->dcb); + + err = register_netdev(netdev); + if (err) { + dev_err(&pdev->dev, "failed to register net device\n"); + return err; + } + + return 0; +} + +static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) +{ + if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && + !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) + *pci_using_dac = 1; + else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && + !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) + *pci_using_dac = 0; + else { + dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); + return -EIO; + } + + return 0; +} + +void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) +{ + int ring; + struct qlcnic_host_tx_ring *tx_ring; + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + if (tx_ring) { + vfree(tx_ring->cmd_buf_arr); + tx_ring->cmd_buf_arr = NULL; + } + } + kfree(adapter->tx_ring); +} + +int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, + struct net_device *netdev) +{ + int ring, vector, index; + struct qlcnic_host_tx_ring *tx_ring; + struct qlcnic_cmd_buffer *cmd_buf_arr; + + tx_ring = kcalloc(adapter->drv_tx_rings, + sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); + if (tx_ring == NULL) + return -ENOMEM; + + adapter->tx_ring = tx_ring; + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + tx_ring->num_desc = adapter->num_txd; + tx_ring->txq = netdev_get_tx_queue(netdev, ring); + cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); + if (cmd_buf_arr == NULL) { + qlcnic_free_tx_rings(adapter); + return -ENOMEM; + } + tx_ring->cmd_buf_arr = cmd_buf_arr; + spin_lock_init(&tx_ring->tx_clean_lock); + } + + if (qlcnic_83xx_check(adapter) || + (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + tx_ring->adapter = adapter; + if (adapter->flags & QLCNIC_MSIX_ENABLED) { + index = adapter->drv_sds_rings + ring; + vector = adapter->msix_entries[index].vector; + tx_ring->irq = vector; + } + } + } + + return 0; +} + +void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 fw_cmd = 0; + + if (qlcnic_82xx_check(adapter)) + fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; + else if (qlcnic_83xx_check(adapter)) + fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; + + if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) + qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); +} + +/* Reset firmware API lock */ +static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) +{ + qlcnic_api_lock(adapter); + qlcnic_api_unlock(adapter); +} + + +static int +qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct net_device *netdev = NULL; + struct qlcnic_adapter *adapter = NULL; + struct qlcnic_hardware_context *ahw; + int err, pci_using_dac = -1; + char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ + + err = pci_enable_device(pdev); + if (err) + return err; + + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + err = -ENODEV; + goto err_out_disable_pdev; + } + + err = qlcnic_set_dma_mask(pdev, &pci_using_dac); + if (err) + goto err_out_disable_pdev; + + err = pci_request_regions(pdev, qlcnic_driver_name); + if (err) + goto err_out_disable_pdev; + + pci_set_master(pdev); + pci_enable_pcie_error_reporting(pdev); + + ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); + if (!ahw) { + err = -ENOMEM; + goto err_out_free_res; + } + + switch (ent->device) { + case PCI_DEVICE_ID_QLOGIC_QLE824X: + ahw->hw_ops = &qlcnic_hw_ops; + ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; + break; + case PCI_DEVICE_ID_QLOGIC_QLE834X: + case PCI_DEVICE_ID_QLOGIC_QLE8830: + case PCI_DEVICE_ID_QLOGIC_QLE844X: + qlcnic_83xx_register_map(ahw); + break; + case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: + case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: + case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: + qlcnic_sriov_vf_register_map(ahw); + break; + default: + err = -EINVAL; + goto err_out_free_hw_res; + } + + err = qlcnic_setup_pci_map(pdev, ahw); + if (err) + goto err_out_free_hw_res; + + netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), + QLCNIC_MAX_TX_RINGS); + if (!netdev) { + err = -ENOMEM; + goto err_out_iounmap; + } + + SET_NETDEV_DEV(netdev, &pdev->dev); + + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->ahw = ahw; + + adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); + if (adapter->qlcnic_wq == NULL) { + err = -ENOMEM; + dev_err(&pdev->dev, "Failed to create workqueue\n"); + goto err_out_free_netdev; + } + + err = qlcnic_alloc_adapter_resources(adapter); + if (err) + goto err_out_free_wq; + + adapter->dev_rst_time = jiffies; + ahw->revision_id = pdev->revision; + ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); + if (qlcnic_mac_learn == FDB_MAC_LEARN) + adapter->fdb_mac_learn = true; + else if (qlcnic_mac_learn == DRV_MAC_LEARN) + adapter->drv_mac_learn = true; + + rwlock_init(&adapter->ahw->crb_lock); + mutex_init(&adapter->ahw->mem_lock); + + INIT_LIST_HEAD(&adapter->mac_list); + + qlcnic_register_dcb(adapter); + + if (qlcnic_82xx_check(adapter)) { + qlcnic_check_vf(adapter, ent); + adapter->portnum = adapter->ahw->pci_func; + qlcnic_reset_api_lock(adapter); + err = qlcnic_start_firmware(adapter); + if (err) { + dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" + "\t\tIf reboot doesn't help, try flashing the card\n"); + goto err_out_maintenance_mode; + } + + /* compute and set default and max tx/sds rings */ + if (adapter->ahw->msix_supported) { + if (qlcnic_check_multi_tx_capability(adapter) == 1) + qlcnic_set_tx_ring_count(adapter, + QLCNIC_SINGLE_RING); + else + qlcnic_set_tx_ring_count(adapter, + QLCNIC_DEF_TX_RINGS); + qlcnic_set_sds_ring_count(adapter, + QLCNIC_DEF_SDS_RINGS); + } else { + qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); + qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); + } + + err = qlcnic_setup_idc_param(adapter); + if (err) + goto err_out_free_hw; + + adapter->flags |= QLCNIC_NEED_FLR; + + } else if (qlcnic_83xx_check(adapter)) { + qlcnic_83xx_check_vf(adapter, ent); + adapter->portnum = adapter->ahw->pci_func; + err = qlcnic_83xx_init(adapter, pci_using_dac); + if (err) { + switch (err) { + case -ENOTRECOVERABLE: + dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); + dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); + goto err_out_free_hw; + case -ENOMEM: + dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); + goto err_out_free_hw; + case -EOPNOTSUPP: + dev_err(&pdev->dev, "Adapter initialization failed\n"); + goto err_out_free_hw; + default: + dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); + goto err_out_maintenance_mode; + } + } + + if (qlcnic_sriov_vf_check(adapter)) + return 0; + } else { + dev_err(&pdev->dev, + "%s: failed. Please Reboot\n", __func__); + err = -ENODEV; + goto err_out_free_hw; + } + + if (qlcnic_read_mac_addr(adapter)) + dev_warn(&pdev->dev, "failed to read mac addr\n"); + + qlcnic_read_phys_port_id(adapter); + + if (adapter->portnum == 0) { + qlcnic_get_board_name(adapter, board_name); + + pr_info("%s: %s Board Chip rev 0x%x\n", + module_name(THIS_MODULE), + board_name, adapter->ahw->revision_id); + } + + if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && + !!qlcnic_use_msi) + dev_warn(&pdev->dev, + "Device does not support MSI interrupts\n"); + + if (qlcnic_82xx_check(adapter)) { + err = qlcnic_dcb_enable(adapter->dcb); + if (err) { + qlcnic_dcb_free(adapter->dcb); + dev_err(&pdev->dev, "Failed to enable DCB\n"); + goto err_out_free_hw; + } + + qlcnic_dcb_get_info(adapter->dcb); + err = qlcnic_setup_intr(adapter); + + if (err) { + dev_err(&pdev->dev, "Failed to setup interrupt\n"); + goto err_out_disable_msi; + } + } + + err = qlcnic_get_act_pci_func(adapter); + if (err) + goto err_out_disable_mbx_intr; + + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); + + err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); + if (err) + goto err_out_disable_mbx_intr; + + pci_set_drvdata(pdev, adapter); + + if (qlcnic_82xx_check(adapter)) + qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, + FW_POLL_DELAY); + + switch (adapter->ahw->port_type) { + case QLCNIC_GBE: + dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", + adapter->netdev->name); + break; + case QLCNIC_XGBE: + dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", + adapter->netdev->name); + break; + } + + if (adapter->drv_mac_learn) + qlcnic_alloc_lb_filters_mem(adapter); + + qlcnic_add_sysfs(adapter); + qlcnic_register_hwmon_dev(adapter); + return 0; + +err_out_disable_mbx_intr: + if (qlcnic_83xx_check(adapter)) + qlcnic_83xx_free_mbx_intr(adapter); + +err_out_disable_msi: + qlcnic_teardown_intr(adapter); + qlcnic_cancel_idc_work(adapter); + qlcnic_clr_all_drv_state(adapter, 0); + +err_out_free_hw: + qlcnic_free_adapter_resources(adapter); + +err_out_free_wq: + destroy_workqueue(adapter->qlcnic_wq); + +err_out_free_netdev: + free_netdev(netdev); + +err_out_iounmap: + qlcnic_cleanup_pci_map(ahw); + +err_out_free_hw_res: + kfree(ahw); + +err_out_free_res: + pci_disable_pcie_error_reporting(pdev); + pci_release_regions(pdev); + +err_out_disable_pdev: + pci_disable_device(pdev); + return err; + +err_out_maintenance_mode: + set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); + netdev->netdev_ops = &qlcnic_netdev_failed_ops; + netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; + ahw->port_type = QLCNIC_XGBE; + + if (qlcnic_83xx_check(adapter)) + adapter->tgt_status_reg = NULL; + else + ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; + + err = register_netdev(netdev); + + if (err) { + dev_err(&pdev->dev, "Failed to register net device\n"); + qlcnic_clr_all_drv_state(adapter, 0); + goto err_out_free_hw; + } + + pci_set_drvdata(pdev, adapter); + qlcnic_add_sysfs(adapter); + + return 0; +} + +static void qlcnic_remove(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter; + struct net_device *netdev; + struct qlcnic_hardware_context *ahw; + + adapter = pci_get_drvdata(pdev); + if (adapter == NULL) + return; + + netdev = adapter->netdev; + + qlcnic_cancel_idc_work(adapter); + qlcnic_sriov_pf_disable(adapter); + ahw = adapter->ahw; + + unregister_netdev(netdev); + qlcnic_sriov_cleanup(adapter); + + if (qlcnic_83xx_check(adapter)) { + qlcnic_83xx_initialize_nic(adapter, 0); + cancel_delayed_work_sync(&adapter->idc_aen_work); + qlcnic_83xx_free_mbx_intr(adapter); + qlcnic_83xx_detach_mailbox_work(adapter); + qlcnic_83xx_free_mailbox(ahw->mailbox); + kfree(ahw->fw_info); + } + + qlcnic_dcb_free(adapter->dcb); + qlcnic_detach(adapter); + kfree(adapter->npars); + kfree(adapter->eswitch); + + if (qlcnic_82xx_check(adapter)) + qlcnic_clr_all_drv_state(adapter, 0); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + + qlcnic_free_lb_filters_mem(adapter); + + qlcnic_teardown_intr(adapter); + + qlcnic_remove_sysfs(adapter); + + qlcnic_unregister_hwmon_dev(adapter); + + qlcnic_cleanup_pci_map(adapter->ahw); + + qlcnic_release_firmware(adapter); + + pci_disable_pcie_error_reporting(pdev); + pci_release_regions(pdev); + pci_disable_device(pdev); + + if (adapter->qlcnic_wq) { + destroy_workqueue(adapter->qlcnic_wq); + adapter->qlcnic_wq = NULL; + } + + qlcnic_free_adapter_resources(adapter); + kfree(ahw); + free_netdev(netdev); +} + +static void qlcnic_shutdown(struct pci_dev *pdev) +{ + if (__qlcnic_shutdown(pdev)) + return; + + pci_disable_device(pdev); +} + +static int __maybe_unused qlcnic_suspend(struct device *dev_d) +{ + return __qlcnic_shutdown(to_pci_dev(dev_d)); +} + +static int __maybe_unused qlcnic_resume(struct device *dev_d) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); + + return __qlcnic_resume(adapter); +} + +static int qlcnic_open(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int err; + + if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { + netdev_err(netdev, "%s: Device is in non-operational state\n", + __func__); + + return -EIO; + } + + netif_carrier_off(netdev); + + err = qlcnic_attach(adapter); + if (err) + return err; + + err = __qlcnic_up(adapter, netdev); + if (err) + qlcnic_detach(adapter); + + return err; +} + +/* + * qlcnic_close - Disables a network interface entry point + */ +static int qlcnic_close(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + __qlcnic_down(adapter, netdev); + + return 0; +} + +#define QLCNIC_VF_LB_BUCKET_SIZE 1 + +void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) +{ + void *head; + int i; + struct net_device *netdev = adapter->netdev; + u32 filter_size = 0; + u16 act_pci_func = 0; + + if (adapter->fhash.fmax && adapter->fhash.fhead) + return; + + act_pci_func = adapter->ahw->total_nic_func; + spin_lock_init(&adapter->mac_learn_lock); + spin_lock_init(&adapter->rx_mac_learn_lock); + + if (qlcnic_sriov_vf_check(adapter)) { + filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; + adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; + } else if (qlcnic_82xx_check(adapter)) { + filter_size = QLCNIC_LB_MAX_FILTERS; + adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; + } else { + filter_size = QLC_83XX_LB_MAX_FILTERS; + adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; + } + + head = kcalloc(adapter->fhash.fbucket_size, + sizeof(struct hlist_head), GFP_ATOMIC); + + if (!head) + return; + + adapter->fhash.fmax = (filter_size / act_pci_func); + adapter->fhash.fhead = head; + + netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", + act_pci_func, adapter->fhash.fmax); + + for (i = 0; i < adapter->fhash.fbucket_size; i++) + INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); + + adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; + + head = kcalloc(adapter->rx_fhash.fbucket_size, + sizeof(struct hlist_head), GFP_ATOMIC); + + if (!head) + return; + + adapter->rx_fhash.fmax = (filter_size / act_pci_func); + adapter->rx_fhash.fhead = head; + + for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) + INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); +} + +static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) +{ + if (adapter->fhash.fmax) + kfree(adapter->fhash.fhead); + + adapter->fhash.fhead = NULL; + adapter->fhash.fmax = 0; + + if (adapter->rx_fhash.fmax) + kfree(adapter->rx_fhash.fhead); + + adapter->rx_fhash.fmax = 0; + adapter->rx_fhash.fhead = NULL; +} + +int qlcnic_check_temp(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u32 temp_state, temp_val, temp = 0; + int rv = 0; + + if (qlcnic_83xx_check(adapter)) + temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); + + if (qlcnic_82xx_check(adapter)) + temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); + + temp_state = qlcnic_get_temp_state(temp); + temp_val = qlcnic_get_temp_val(temp); + + if (temp_state == QLCNIC_TEMP_PANIC) { + dev_err(&netdev->dev, + "Device temperature %d degrees C exceeds" + " maximum allowed. Hardware has been shut down.\n", + temp_val); + rv = 1; + } else if (temp_state == QLCNIC_TEMP_WARN) { + if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { + dev_err(&netdev->dev, + "Device temperature %d degrees C " + "exceeds operating range." + " Immediate action needed.\n", + temp_val); + } + } else { + if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { + dev_info(&netdev->dev, + "Device temperature is now %d degrees C" + " in normal range.\n", temp_val); + } + } + adapter->ahw->temp = temp_state; + return rv; +} + +static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) +{ + int i; + + for (i = 0; i < tx_ring->num_desc; i++) { + pr_info("TX Desc: %d\n", i); + print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, + &tx_ring->desc_head[i], + sizeof(struct cmd_desc_type0), true); + } +} + +static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct net_device *netdev = adapter->netdev; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + int ring; + + if (!netdev || !netif_running(netdev)) + return; + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + if (!rds_ring) + continue; + netdev_info(netdev, + "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", + ring, readl(rds_ring->crb_rcv_producer), + rds_ring->producer, rds_ring->num_desc); + } + + for (ring = 0; ring < adapter->drv_sds_rings; ring++) { + sds_ring = &(recv_ctx->sds_rings[ring]); + if (!sds_ring) + continue; + netdev_info(netdev, + "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", + ring, readl(sds_ring->crb_sts_consumer), + sds_ring->consumer, readl(sds_ring->crb_intr_mask), + sds_ring->num_desc); + } + + for (ring = 0; ring < adapter->drv_tx_rings; ring++) { + tx_ring = &adapter->tx_ring[ring]; + if (!tx_ring) + continue; + netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", + ring, tx_ring->ctx_id); + netdev_info(netdev, + "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", + tx_ring->tx_stats.xmit_finished, + tx_ring->tx_stats.xmit_called, + tx_ring->tx_stats.xmit_on, + tx_ring->tx_stats.xmit_off); + + if (tx_ring->crb_intr_mask) + netdev_info(netdev, "crb_intr_mask=%d\n", + readl(tx_ring->crb_intr_mask)); + + netdev_info(netdev, + "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", + readl(tx_ring->crb_cmd_producer), + tx_ring->producer, tx_ring->sw_consumer, + le32_to_cpu(*(tx_ring->hw_consumer))); + + netdev_info(netdev, "Total desc=%d, Available desc=%d\n", + tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); + + if (netif_msg_tx_err(adapter->ahw)) + dump_tx_ring_desc(tx_ring); + } + +} + +static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + return; + + qlcnic_dump_rings(adapter); + + if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || + netif_msg_tx_err(adapter->ahw)) { + netdev_err(netdev, "Tx timeout, reset the adapter.\n"); + if (qlcnic_82xx_check(adapter)) + adapter->need_fw_reset = 1; + else if (qlcnic_83xx_check(adapter)) + qlcnic_83xx_idc_request_reset(adapter, + QLCNIC_FORCE_FW_DUMP_KEY); + } else { + netdev_err(netdev, "Tx timeout, reset adapter context.\n"); + adapter->ahw->reset_context = 1; + } +} + +static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct net_device_stats *stats = &netdev->stats; + + if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) + qlcnic_update_stats(adapter); + + stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; + stats->tx_packets = adapter->stats.xmitfinished; + stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; + stats->tx_bytes = adapter->stats.txbytes; + stats->rx_dropped = adapter->stats.rxdropped; + stats->tx_dropped = adapter->stats.txdropped; + + return stats; +} + +static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) +{ + u32 status; + + status = readl(adapter->isr_int_vec); + + if (!(status & adapter->ahw->int_vec_bit)) + return IRQ_NONE; + + /* check interrupt state machine, to be sure */ + status = readl(adapter->crb_int_state_reg); + if (!ISR_LEGACY_INT_TRIGGERED(status)) + return IRQ_NONE; + + writel(0xffffffff, adapter->tgt_status_reg); + /* read twice to ensure write is flushed */ + readl(adapter->isr_int_vec); + readl(adapter->isr_int_vec); + + return IRQ_HANDLED; +} + +static irqreturn_t qlcnic_tmp_intr(int irq, void *data) +{ + struct qlcnic_host_sds_ring *sds_ring = data; + struct qlcnic_adapter *adapter = sds_ring->adapter; + + if (adapter->flags & QLCNIC_MSIX_ENABLED) + goto done; + else if (adapter->flags & QLCNIC_MSI_ENABLED) { + writel(0xffffffff, adapter->tgt_status_reg); + goto done; + } + + if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) + return IRQ_NONE; + +done: + adapter->ahw->diag_cnt++; + qlcnic_enable_sds_intr(adapter, sds_ring); + return IRQ_HANDLED; +} + +static irqreturn_t qlcnic_intr(int irq, void *data) +{ + struct qlcnic_host_sds_ring *sds_ring = data; + struct qlcnic_adapter *adapter = sds_ring->adapter; + + if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) + return IRQ_NONE; + + napi_schedule(&sds_ring->napi); + + return IRQ_HANDLED; +} + +static irqreturn_t qlcnic_msi_intr(int irq, void *data) +{ + struct qlcnic_host_sds_ring *sds_ring = data; + struct qlcnic_adapter *adapter = sds_ring->adapter; + + /* clear interrupt */ + writel(0xffffffff, adapter->tgt_status_reg); + + napi_schedule(&sds_ring->napi); + return IRQ_HANDLED; +} + +static irqreturn_t qlcnic_msix_intr(int irq, void *data) +{ + struct qlcnic_host_sds_ring *sds_ring = data; + + napi_schedule(&sds_ring->napi); + return IRQ_HANDLED; +} + +static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) +{ + struct qlcnic_host_tx_ring *tx_ring = data; + + napi_schedule(&tx_ring->napi); + return IRQ_HANDLED; +} + +static void +qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) +{ + u32 val; + + val = adapter->portnum & 0xf; + val |= encoding << 7; + val |= (jiffies - adapter->dev_rst_time) << 8; + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); + adapter->dev_rst_time = jiffies; +} + +static int +qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) +{ + u32 val; + + WARN_ON(state != QLCNIC_DEV_NEED_RESET && + state != QLCNIC_DEV_NEED_QUISCENT); + + if (qlcnic_api_lock(adapter)) + return -EIO; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + + if (state == QLCNIC_DEV_NEED_RESET) + QLC_DEV_SET_RST_RDY(val, adapter->portnum); + else if (state == QLCNIC_DEV_NEED_QUISCENT) + QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + + qlcnic_api_unlock(adapter); + + return 0; +} + +static int +qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) +{ + u32 val; + + if (qlcnic_api_lock(adapter)) + return -EBUSY; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + + qlcnic_api_unlock(adapter); + + return 0; +} + +void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) +{ + u32 val; + + if (qlcnic_api_lock(adapter)) + goto err; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); + QLC_DEV_CLR_REF_CNT(val, adapter->portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); + + if (failed) { + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_FAILED); + dev_info(&adapter->pdev->dev, + "Device state set to Failed. Please Reboot\n"); + } else if (!(val & 0x11111111)) + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_COLD); + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + + qlcnic_api_unlock(adapter); +err: + adapter->fw_fail_cnt = 0; + adapter->flags &= ~QLCNIC_FW_HANG; + clear_bit(__QLCNIC_START_FW, &adapter->state); + clear_bit(__QLCNIC_RESETTING, &adapter->state); +} + +/* Grab api lock, before checking state */ +static int +qlcnic_check_drv_state(struct qlcnic_adapter *adapter) +{ + int act, state, active_mask; + struct qlcnic_hardware_context *ahw = adapter->ahw; + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); + + if (adapter->flags & QLCNIC_FW_RESET_OWNER) { + active_mask = (~(1 << (ahw->pci_func * 4))); + act = act & active_mask; + } + + if (((state & 0x11111111) == (act & 0x11111111)) || + ((act & 0x11111111) == ((state >> 1) & 0x11111111))) + return 0; + else + return 1; +} + +static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) +{ + u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); + + if (val != QLCNIC_DRV_IDC_VER) { + dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" + " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); + } + + return 0; +} + +static int +qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) +{ + u32 val, prev_state; + u8 dev_init_timeo = adapter->dev_init_timeo; + u8 portnum = adapter->portnum; + u8 ret; + + if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) + return 1; + + if (qlcnic_api_lock(adapter)) + return -1; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); + if (!(val & (1 << (portnum * 4)))) { + QLC_DEV_SET_REF_CNT(val, portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); + } + + prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + QLCDB(adapter, HW, "Device state = %u\n", prev_state); + + switch (prev_state) { + case QLCNIC_DEV_COLD: + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_INITIALIZING); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, + QLCNIC_DRV_IDC_VER); + qlcnic_idc_debug_info(adapter, 0); + qlcnic_api_unlock(adapter); + return 1; + + case QLCNIC_DEV_READY: + ret = qlcnic_check_idc_ver(adapter); + qlcnic_api_unlock(adapter); + return ret; + + case QLCNIC_DEV_NEED_RESET: + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + QLC_DEV_SET_RST_RDY(val, portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + break; + + case QLCNIC_DEV_NEED_QUISCENT: + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + QLC_DEV_SET_QSCNT_RDY(val, portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + break; + + case QLCNIC_DEV_FAILED: + dev_err(&adapter->pdev->dev, "Device in failed state.\n"); + qlcnic_api_unlock(adapter); + return -1; + + case QLCNIC_DEV_INITIALIZING: + case QLCNIC_DEV_QUISCENT: + break; + } + + qlcnic_api_unlock(adapter); + + do { + msleep(1000); + prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + + if (prev_state == QLCNIC_DEV_QUISCENT) + continue; + } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); + + if (!dev_init_timeo) { + dev_err(&adapter->pdev->dev, + "Waiting for device to initialize timeout\n"); + return -1; + } + + if (qlcnic_api_lock(adapter)) + return -1; + + val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); + QLC_DEV_CLR_RST_QSCNT(val, portnum); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); + + ret = qlcnic_check_idc_ver(adapter); + qlcnic_api_unlock(adapter); + + return ret; +} + +static void +qlcnic_fwinit_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter = container_of(work, + struct qlcnic_adapter, fw_work.work); + u32 dev_state = 0xf; + u32 val; + + if (qlcnic_api_lock(adapter)) + goto err_ret; + + dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (dev_state == QLCNIC_DEV_QUISCENT || + dev_state == QLCNIC_DEV_NEED_QUISCENT) { + qlcnic_api_unlock(adapter); + qlcnic_schedule_work(adapter, qlcnic_fwinit_work, + FW_POLL_DELAY * 2); + return; + } + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + qlcnic_api_unlock(adapter); + goto wait_npar; + } + + if (dev_state == QLCNIC_DEV_INITIALIZING || + dev_state == QLCNIC_DEV_READY) { + dev_info(&adapter->pdev->dev, "Detected state change from " + "DEV_NEED_RESET, skipping ack check\n"); + goto skip_ack_check; + } + + if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { + dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", + adapter->reset_ack_timeo); + goto skip_ack_check; + } + + if (!qlcnic_check_drv_state(adapter)) { +skip_ack_check: + dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + + if (dev_state == QLCNIC_DEV_NEED_RESET) { + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_INITIALIZING); + set_bit(__QLCNIC_START_FW, &adapter->state); + QLCDB(adapter, DRV, "Restarting fw\n"); + qlcnic_idc_debug_info(adapter, 0); + val = QLC_SHARED_REG_RD32(adapter, + QLCNIC_CRB_DRV_STATE); + QLC_DEV_SET_RST_RDY(val, adapter->portnum); + QLC_SHARED_REG_WR32(adapter, + QLCNIC_CRB_DRV_STATE, val); + } + + qlcnic_api_unlock(adapter); + + rtnl_lock(); + if (qlcnic_check_fw_dump_state(adapter) && + (adapter->flags & QLCNIC_FW_RESET_OWNER)) { + QLCDB(adapter, DRV, "Take FW dump\n"); + qlcnic_dump_fw(adapter); + adapter->flags |= QLCNIC_FW_HANG; + } + rtnl_unlock(); + + adapter->flags &= ~QLCNIC_FW_RESET_OWNER; + if (!adapter->nic_ops->start_firmware(adapter)) { + qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); + adapter->fw_wait_cnt = 0; + return; + } + goto err_ret; + } + + qlcnic_api_unlock(adapter); + +wait_npar: + dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); + + switch (dev_state) { + case QLCNIC_DEV_READY: + if (!qlcnic_start_firmware(adapter)) { + qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); + adapter->fw_wait_cnt = 0; + return; + } + case QLCNIC_DEV_FAILED: + break; + default: + qlcnic_schedule_work(adapter, + qlcnic_fwinit_work, FW_POLL_DELAY); + return; + } + +err_ret: + dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " + "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); + netif_device_attach(adapter->netdev); + qlcnic_clr_all_drv_state(adapter, 0); +} + +static void +qlcnic_detach_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter = container_of(work, + struct qlcnic_adapter, fw_work.work); + struct net_device *netdev = adapter->netdev; + u32 status; + + netif_device_detach(netdev); + + /* Dont grab rtnl lock during Quiscent mode */ + if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + } else + qlcnic_down(adapter, netdev); + + status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); + + if (status & QLCNIC_RCODE_FATAL_ERROR) { + dev_err(&adapter->pdev->dev, + "Detaching the device: peg halt status1=0x%x\n", + status); + + if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { + dev_err(&adapter->pdev->dev, + "On board active cooling fan failed. " + "Device has been halted.\n"); + dev_err(&adapter->pdev->dev, + "Replace the adapter.\n"); + } + + goto err_ret; + } + + if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { + dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", + adapter->ahw->temp); + goto err_ret; + } + + /* Dont ack if this instance is the reset owner */ + if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { + if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { + dev_err(&adapter->pdev->dev, + "Failed to set driver state," + "detaching the device.\n"); + goto err_ret; + } + } + + adapter->fw_wait_cnt = 0; + + qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); + + return; + +err_ret: + netif_device_attach(netdev); + qlcnic_clr_all_drv_state(adapter, 1); +} + +/*Transit NPAR state to NON Operational */ +static void +qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) +{ + u32 state; + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); + if (state == QLCNIC_DEV_NPAR_NON_OPER) + return; + + if (qlcnic_api_lock(adapter)) + return; + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, + QLCNIC_DEV_NPAR_NON_OPER); + qlcnic_api_unlock(adapter); +} + +static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, + u32 key) +{ + u32 state, xg_val = 0, gb_val = 0; + + qlcnic_xg_set_xg0_mask(xg_val); + qlcnic_xg_set_xg1_mask(xg_val); + QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); + qlcnic_gb_set_gb0_mask(gb_val); + qlcnic_gb_set_gb1_mask(gb_val); + qlcnic_gb_set_gb2_mask(gb_val); + qlcnic_gb_set_gb3_mask(gb_val); + QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); + dev_info(&adapter->pdev->dev, "Pause control frames disabled" + " on all ports\n"); + adapter->need_fw_reset = 1; + + if (qlcnic_api_lock(adapter)) + return; + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + + if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { + netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", + __func__); + qlcnic_api_unlock(adapter); + + return; + } + + if (state == QLCNIC_DEV_READY) { + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_NEED_RESET); + adapter->flags |= QLCNIC_FW_RESET_OWNER; + QLCDB(adapter, DRV, "NEED_RESET state set\n"); + qlcnic_idc_debug_info(adapter, 0); + } + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, + QLCNIC_DEV_NPAR_NON_OPER); + qlcnic_api_unlock(adapter); +} + +/* Transit to NPAR READY state from NPAR NOT READY state */ +static void +qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) +{ + if (qlcnic_api_lock(adapter)) + return; + + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, + QLCNIC_DEV_NPAR_OPER); + QLCDB(adapter, DRV, "NPAR operational state set\n"); + + qlcnic_api_unlock(adapter); +} + +void qlcnic_schedule_work(struct qlcnic_adapter *adapter, + work_func_t func, int delay) +{ + if (test_bit(__QLCNIC_AER, &adapter->state)) + return; + + INIT_DELAYED_WORK(&adapter->fw_work, func); + queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, + round_jiffies_relative(delay)); +} + +static void +qlcnic_attach_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter = container_of(work, + struct qlcnic_adapter, fw_work.work); + struct net_device *netdev = adapter->netdev; + u32 npar_state; + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { + npar_state = QLC_SHARED_REG_RD32(adapter, + QLCNIC_CRB_DEV_NPAR_STATE); + if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) + qlcnic_clr_all_drv_state(adapter, 0); + else if (npar_state != QLCNIC_DEV_NPAR_OPER) + qlcnic_schedule_work(adapter, qlcnic_attach_work, + FW_POLL_DELAY); + else + goto attach; + QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); + return; + } +attach: + qlcnic_dcb_get_info(adapter->dcb); + + if (netif_running(netdev)) { + if (qlcnic_up(adapter, netdev)) + goto done; + + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + +done: + netif_device_attach(netdev); + adapter->fw_fail_cnt = 0; + adapter->flags &= ~QLCNIC_FW_HANG; + clear_bit(__QLCNIC_RESETTING, &adapter->state); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); + + if (!qlcnic_clr_drv_state(adapter)) + qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, + FW_POLL_DELAY); +} + +static int +qlcnic_check_health(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; + u32 state = 0, heartbeat; + u32 peg_status; + int err = 0; + + if (qlcnic_check_temp(adapter)) + goto detach; + + if (adapter->need_fw_reset) + qlcnic_dev_request_reset(adapter, 0); + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_NEED_RESET) { + qlcnic_set_npar_non_operational(adapter); + adapter->need_fw_reset = 1; + } else if (state == QLCNIC_DEV_NEED_QUISCENT) + goto detach; + + heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + if (heartbeat != adapter->heartbeat) { + adapter->heartbeat = heartbeat; + adapter->fw_fail_cnt = 0; + if (adapter->need_fw_reset) + goto detach; + + if (ahw->reset_context && qlcnic_auto_fw_reset) + qlcnic_reset_hw_context(adapter); + + return 0; + } + + if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) + return 0; + + adapter->flags |= QLCNIC_FW_HANG; + + qlcnic_dev_request_reset(adapter, 0); + + if (qlcnic_auto_fw_reset) + clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); + + dev_err(&adapter->pdev->dev, "firmware hang detected\n"); + peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); + dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" + "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" + "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" + "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" + "PEG_NET_4_PC: 0x%x\n", + peg_status, + QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); + if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) + dev_err(&adapter->pdev->dev, + "Firmware aborted with error code 0x00006700. " + "Device is being reset.\n"); +detach: + adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : + QLCNIC_DEV_NEED_RESET; + + if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, + &adapter->state)) { + + qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); + QLCDB(adapter, DRV, "fw recovery scheduled.\n"); + } else if (!qlcnic_auto_fw_reset && fw_dump->enable && + adapter->flags & QLCNIC_FW_RESET_OWNER) { + qlcnic_dump_fw(adapter); + } + + return 1; +} + +void qlcnic_fw_poll_work(struct work_struct *work) +{ + struct qlcnic_adapter *adapter = container_of(work, + struct qlcnic_adapter, fw_work.work); + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + goto reschedule; + + + if (qlcnic_check_health(adapter)) + return; + + if (adapter->fhash.fnum) + qlcnic_prune_lb_filters(adapter); + +reschedule: + qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); +} + +static int qlcnic_is_first_func(struct pci_dev *pdev) +{ + struct pci_dev *oth_pdev; + int val = pdev->devfn; + + while (val-- > 0) { + oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr + (pdev->bus), pdev->bus->number, + PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); + if (!oth_pdev) + continue; + + if (oth_pdev->current_state != PCI_D3cold) { + pci_dev_put(oth_pdev); + return 0; + } + pci_dev_put(oth_pdev); + } + return 1; +} + +static int qlcnic_attach_func(struct pci_dev *pdev) +{ + int err, first_func; + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + + pdev->error_state = pci_channel_io_normal; + + err = pci_enable_device(pdev); + if (err) + return err; + + pci_set_master(pdev); + pci_restore_state(pdev); + + first_func = qlcnic_is_first_func(pdev); + + if (qlcnic_api_lock(adapter)) + return -EINVAL; + + if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { + adapter->need_fw_reset = 1; + set_bit(__QLCNIC_START_FW, &adapter->state); + QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_INITIALIZING); + QLCDB(adapter, DRV, "Restarting fw\n"); + } + qlcnic_api_unlock(adapter); + + err = qlcnic_start_firmware(adapter); + if (err) + return err; + + qlcnic_clr_drv_state(adapter); + kfree(adapter->msix_entries); + adapter->msix_entries = NULL; + err = qlcnic_setup_intr(adapter); + + if (err) { + kfree(adapter->msix_entries); + netdev_err(netdev, "failed to setup interrupt\n"); + return err; + } + + if (netif_running(netdev)) { + err = qlcnic_attach(adapter); + if (err) { + qlcnic_clr_all_drv_state(adapter, 1); + clear_bit(__QLCNIC_AER, &adapter->state); + netif_device_attach(netdev); + return err; + } + + err = qlcnic_up(adapter, netdev); + if (err) + goto done; + + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + done: + netif_device_attach(netdev); + return err; +} + +static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + + if (state == pci_channel_io_normal) + return PCI_ERS_RESULT_RECOVERED; + + set_bit(__QLCNIC_AER, &adapter->state); + netif_device_detach(netdev); + + cancel_delayed_work_sync(&adapter->fw_work); + + if (netif_running(netdev)) + qlcnic_down(adapter, netdev); + + qlcnic_detach(adapter); + qlcnic_teardown_intr(adapter); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + + pci_save_state(pdev); + pci_disable_device(pdev); + + return PCI_ERS_RESULT_NEED_RESET; +} + +static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) +{ + pci_ers_result_t res; + + rtnl_lock(); + res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : + PCI_ERS_RESULT_RECOVERED; + rtnl_unlock(); + + return res; +} + +static void qlcnic_82xx_io_resume(struct pci_dev *pdev) +{ + u32 state; + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, + &adapter->state)) + qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, + FW_POLL_DELAY); +} + +static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; + + if (hw_ops->io_error_detected) { + return hw_ops->io_error_detected(pdev, state); + } else { + dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } +} + +static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; + + if (hw_ops->io_slot_reset) { + return hw_ops->io_slot_reset(pdev); + } else { + dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } +} + +static void qlcnic_io_resume(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; + + if (hw_ops->io_resume) + hw_ops->io_resume(pdev); + else + dev_err(&pdev->dev, "AER resume handler not registered.\n"); +} + + +static int +qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) +{ + int err; + + err = qlcnic_can_start_firmware(adapter); + if (err) + return err; + + err = qlcnic_check_npar_opertional(adapter); + if (err) + return err; + + err = qlcnic_initialize_nic(adapter); + if (err) + return err; + + qlcnic_check_options(adapter); + + err = qlcnic_set_eswitch_port_config(adapter); + if (err) + return err; + + adapter->need_fw_reset = 0; + + return err; +} + +int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, + int queue_type) +{ + struct net_device *netdev = adapter->netdev; + char buf[8]; + + if (queue_type == QLCNIC_RX_QUEUE) + strcpy(buf, "SDS"); + else + strcpy(buf, "Tx"); + + if (!is_power_of_2(ring_cnt)) { + netdev_err(netdev, "%s rings value should be a power of 2\n", + buf); + return -EINVAL; + } + + if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && + !qlcnic_check_multi_tx(adapter)) { + netdev_err(netdev, "No Multi Tx queue support\n"); + return -EINVAL; + } + + if (ring_cnt > num_online_cpus()) { + netdev_err(netdev, + "%s value[%u] should not be higher than, number of online CPUs\n", + buf, num_online_cpus()); + return -EINVAL; + } + + return 0; +} + +int qlcnic_setup_rings(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u8 tx_rings, rx_rings; + int err; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + tx_rings = adapter->drv_tss_rings; + rx_rings = adapter->drv_rss_rings; + + netif_device_detach(netdev); + + err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); + if (err) + goto done; + + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + qlcnic_detach(adapter); + + if (qlcnic_83xx_check(adapter)) { + qlcnic_83xx_free_mbx_intr(adapter); + qlcnic_83xx_enable_mbx_poll(adapter); + } + + qlcnic_teardown_intr(adapter); + + err = qlcnic_setup_intr(adapter); + if (err) { + kfree(adapter->msix_entries); + netdev_err(netdev, "failed to setup interrupt\n"); + return err; + } + + /* Check if we need to update real_num_{tx|rx}_queues because + * qlcnic_setup_intr() may change Tx/Rx rings size + */ + if ((tx_rings != adapter->drv_tx_rings) || + (rx_rings != adapter->drv_sds_rings)) { + err = qlcnic_set_real_num_queues(adapter, + adapter->drv_tx_rings, + adapter->drv_sds_rings); + if (err) + goto done; + } + + if (qlcnic_83xx_check(adapter)) { + qlcnic_83xx_initialize_nic(adapter, 1); + err = qlcnic_83xx_setup_mbx_intr(adapter); + qlcnic_83xx_disable_mbx_poll(adapter); + if (err) { + dev_err(&adapter->pdev->dev, + "failed to setup mbx interrupt\n"); + goto done; + } + } + + if (netif_running(netdev)) { + err = qlcnic_attach(adapter); + if (err) + goto done; + err = __qlcnic_up(adapter, netdev); + if (err) + goto done; + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } +done: + netif_device_attach(netdev); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return err; +} + +#ifdef CONFIG_INET + +#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) + +static void +qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, + struct net_device *dev, unsigned long event) +{ + const struct in_ifaddr *ifa; + struct in_device *indev; + + indev = in_dev_get(dev); + if (!indev) + return; + + in_dev_for_each_ifa_rtnl(ifa, indev) { + switch (event) { + case NETDEV_UP: + qlcnic_config_ipaddr(adapter, + ifa->ifa_address, QLCNIC_IP_UP); + break; + case NETDEV_DOWN: + qlcnic_config_ipaddr(adapter, + ifa->ifa_address, QLCNIC_IP_DOWN); + break; + default: + break; + } + } + + in_dev_put(indev); +} + +void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct net_device *dev; + u16 vid; + + qlcnic_config_indev_addr(adapter, netdev, event); + + rcu_read_lock(); + for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { + dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); + if (!dev) + continue; + qlcnic_config_indev_addr(adapter, dev, event); + } + rcu_read_unlock(); +} + +static int qlcnic_netdev_event(struct notifier_block *this, + unsigned long event, void *ptr) +{ + struct qlcnic_adapter *adapter; + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + +recheck: + if (dev == NULL) + goto done; + + if (is_vlan_dev(dev)) { + dev = vlan_dev_real_dev(dev); + goto recheck; + } + + if (!is_qlcnic_netdev(dev)) + goto done; + + adapter = netdev_priv(dev); + + if (!adapter) + goto done; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) + goto done; + + qlcnic_config_indev_addr(adapter, dev, event); +done: + return NOTIFY_DONE; +} + +static int +qlcnic_inetaddr_event(struct notifier_block *this, + unsigned long event, void *ptr) +{ + struct qlcnic_adapter *adapter; + struct net_device *dev; + + struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; + + dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; + +recheck: + if (dev == NULL) + goto done; + + if (is_vlan_dev(dev)) { + dev = vlan_dev_real_dev(dev); + goto recheck; + } + + if (!is_qlcnic_netdev(dev)) + goto done; + + adapter = netdev_priv(dev); + + if (!adapter) + goto done; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) + goto done; + + switch (event) { + case NETDEV_UP: + qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); + + break; + case NETDEV_DOWN: + qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); + + break; + default: + break; + } + +done: + return NOTIFY_DONE; +} + +static struct notifier_block qlcnic_netdev_cb = { + .notifier_call = qlcnic_netdev_event, +}; + +static struct notifier_block qlcnic_inetaddr_cb = { + .notifier_call = qlcnic_inetaddr_event, +}; +#else +void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) +{ } +#endif +static const struct pci_error_handlers qlcnic_err_handler = { + .error_detected = qlcnic_io_error_detected, + .slot_reset = qlcnic_io_slot_reset, + .resume = qlcnic_io_resume, +}; + +static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); + +static struct pci_driver qlcnic_driver = { + .name = qlcnic_driver_name, + .id_table = qlcnic_pci_tbl, + .probe = qlcnic_probe, + .remove = qlcnic_remove, + .driver.pm = &qlcnic_pm_ops, + .shutdown = qlcnic_shutdown, + .err_handler = &qlcnic_err_handler, +#ifdef CONFIG_QLCNIC_SRIOV + .sriov_configure = qlcnic_pci_sriov_configure, +#endif + +}; + +static int __init qlcnic_init_module(void) +{ + int ret; + + printk(KERN_INFO "%s\n", qlcnic_driver_string); + +#ifdef CONFIG_INET + register_netdevice_notifier(&qlcnic_netdev_cb); + register_inetaddr_notifier(&qlcnic_inetaddr_cb); +#endif + + ret = pci_register_driver(&qlcnic_driver); + if (ret) { +#ifdef CONFIG_INET + unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); + unregister_netdevice_notifier(&qlcnic_netdev_cb); +#endif + } + + return ret; +} + +module_init(qlcnic_init_module); + +static void __exit qlcnic_exit_module(void) +{ + pci_unregister_driver(&qlcnic_driver); + +#ifdef CONFIG_INET + unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); + unregister_netdevice_notifier(&qlcnic_netdev_cb); +#endif +} + +module_exit(qlcnic_exit_module); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c new file mode 100644 index 000000000..7ecb3dfe3 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -0,0 +1,1455 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <net/ip.h> + +#include "qlcnic.h" +#include "qlcnic_hdr.h" +#include "qlcnic_83xx_hw.h" +#include "qlcnic_hw.h" + +#define QLC_83XX_MINIDUMP_FLASH 0x520000 +#define QLC_83XX_OCM_INDEX 3 +#define QLC_83XX_PCI_INDEX 0 +#define QLC_83XX_DMA_ENGINE_INDEX 8 + +static const u32 qlcnic_ms_read_data[] = { + 0x410000A8, 0x410000AC, 0x410000B8, 0x410000BC +}; + +#define QLCNIC_DUMP_WCRB BIT_0 +#define QLCNIC_DUMP_RWCRB BIT_1 +#define QLCNIC_DUMP_ANDCRB BIT_2 +#define QLCNIC_DUMP_ORCRB BIT_3 +#define QLCNIC_DUMP_POLLCRB BIT_4 +#define QLCNIC_DUMP_RD_SAVE BIT_5 +#define QLCNIC_DUMP_WRT_SAVED BIT_6 +#define QLCNIC_DUMP_MOD_SAVE_ST BIT_7 +#define QLCNIC_DUMP_SKIP BIT_7 + +#define QLCNIC_DUMP_MASK_MAX 0xff + +struct qlcnic_pex_dma_descriptor { + u32 read_data_size; + u32 dma_desc_cmd; + u32 src_addr_low; + u32 src_addr_high; + u32 dma_bus_addr_low; + u32 dma_bus_addr_high; + u32 rsvd[6]; +} __packed; + +struct qlcnic_common_entry_hdr { + u32 type; + u32 offset; + u32 cap_size; +#if defined(__LITTLE_ENDIAN) + u8 mask; + u8 rsvd[2]; + u8 flags; +#else + u8 flags; + u8 rsvd[2]; + u8 mask; +#endif +} __packed; + +struct __crb { + u32 addr; +#if defined(__LITTLE_ENDIAN) + u8 stride; + u8 rsvd1[3]; +#else + u8 rsvd1[3]; + u8 stride; +#endif + u32 data_size; + u32 no_ops; + u32 rsvd2[4]; +} __packed; + +struct __ctrl { + u32 addr; +#if defined(__LITTLE_ENDIAN) + u8 stride; + u8 index_a; + u16 timeout; +#else + u16 timeout; + u8 index_a; + u8 stride; +#endif + u32 data_size; + u32 no_ops; +#if defined(__LITTLE_ENDIAN) + u8 opcode; + u8 index_v; + u8 shl_val; + u8 shr_val; +#else + u8 shr_val; + u8 shl_val; + u8 index_v; + u8 opcode; +#endif + u32 val1; + u32 val2; + u32 val3; +} __packed; + +struct __cache { + u32 addr; +#if defined(__LITTLE_ENDIAN) + u16 stride; + u16 init_tag_val; +#else + u16 init_tag_val; + u16 stride; +#endif + u32 size; + u32 no_ops; + u32 ctrl_addr; + u32 ctrl_val; + u32 read_addr; +#if defined(__LITTLE_ENDIAN) + u8 read_addr_stride; + u8 read_addr_num; + u8 rsvd1[2]; +#else + u8 rsvd1[2]; + u8 read_addr_num; + u8 read_addr_stride; +#endif +} __packed; + +struct __ocm { + u8 rsvd[8]; + u32 size; + u32 no_ops; + u8 rsvd1[8]; + u32 read_addr; + u32 read_addr_stride; +} __packed; + +struct __mem { + u32 desc_card_addr; + u32 dma_desc_cmd; + u32 start_dma_cmd; + u32 rsvd[3]; + u32 addr; + u32 size; +} __packed; + +struct __mux { + u32 addr; + u8 rsvd[4]; + u32 size; + u32 no_ops; + u32 val; + u32 val_stride; + u32 read_addr; + u8 rsvd2[4]; +} __packed; + +struct __queue { + u32 sel_addr; +#if defined(__LITTLE_ENDIAN) + u16 stride; + u8 rsvd[2]; +#else + u8 rsvd[2]; + u16 stride; +#endif + u32 size; + u32 no_ops; + u8 rsvd2[8]; + u32 read_addr; +#if defined(__LITTLE_ENDIAN) + u8 read_addr_stride; + u8 read_addr_cnt; + u8 rsvd3[2]; +#else + u8 rsvd3[2]; + u8 read_addr_cnt; + u8 read_addr_stride; +#endif +} __packed; + +struct __pollrd { + u32 sel_addr; + u32 read_addr; + u32 sel_val; +#if defined(__LITTLE_ENDIAN) + u16 sel_val_stride; + u16 no_ops; +#else + u16 no_ops; + u16 sel_val_stride; +#endif + u32 poll_wait; + u32 poll_mask; + u32 data_size; + u8 rsvd[4]; +} __packed; + +struct __mux2 { + u32 sel_addr1; + u32 sel_addr2; + u32 sel_val1; + u32 sel_val2; + u32 no_ops; + u32 sel_val_mask; + u32 read_addr; +#if defined(__LITTLE_ENDIAN) + u8 sel_val_stride; + u8 data_size; + u8 rsvd[2]; +#else + u8 rsvd[2]; + u8 data_size; + u8 sel_val_stride; +#endif +} __packed; + +struct __pollrdmwr { + u32 addr1; + u32 addr2; + u32 val1; + u32 val2; + u32 poll_wait; + u32 poll_mask; + u32 mod_mask; + u32 data_size; +} __packed; + +struct qlcnic_dump_entry { + struct qlcnic_common_entry_hdr hdr; + union { + struct __crb crb; + struct __cache cache; + struct __ocm ocm; + struct __mem mem; + struct __mux mux; + struct __queue que; + struct __ctrl ctrl; + struct __pollrdmwr pollrdmwr; + struct __mux2 mux2; + struct __pollrd pollrd; + } region; +} __packed; + +enum qlcnic_minidump_opcode { + QLCNIC_DUMP_NOP = 0, + QLCNIC_DUMP_READ_CRB = 1, + QLCNIC_DUMP_READ_MUX = 2, + QLCNIC_DUMP_QUEUE = 3, + QLCNIC_DUMP_BRD_CONFIG = 4, + QLCNIC_DUMP_READ_OCM = 6, + QLCNIC_DUMP_PEG_REG = 7, + QLCNIC_DUMP_L1_DTAG = 8, + QLCNIC_DUMP_L1_ITAG = 9, + QLCNIC_DUMP_L1_DATA = 11, + QLCNIC_DUMP_L1_INST = 12, + QLCNIC_DUMP_L2_DTAG = 21, + QLCNIC_DUMP_L2_ITAG = 22, + QLCNIC_DUMP_L2_DATA = 23, + QLCNIC_DUMP_L2_INST = 24, + QLCNIC_DUMP_POLL_RD = 35, + QLCNIC_READ_MUX2 = 36, + QLCNIC_READ_POLLRDMWR = 37, + QLCNIC_DUMP_READ_ROM = 71, + QLCNIC_DUMP_READ_MEM = 72, + QLCNIC_DUMP_READ_CTRL = 98, + QLCNIC_DUMP_TLHDR = 99, + QLCNIC_DUMP_RDEND = 255 +}; + +inline u32 qlcnic_82xx_get_saved_state(void *t_hdr, u32 index) +{ + struct qlcnic_82xx_dump_template_hdr *hdr = t_hdr; + + return hdr->saved_state[index]; +} + +inline void qlcnic_82xx_set_saved_state(void *t_hdr, u32 index, + u32 value) +{ + struct qlcnic_82xx_dump_template_hdr *hdr = t_hdr; + + hdr->saved_state[index] = value; +} + +void qlcnic_82xx_cache_tmpl_hdr_values(struct qlcnic_fw_dump *fw_dump) +{ + struct qlcnic_82xx_dump_template_hdr *hdr; + + hdr = fw_dump->tmpl_hdr; + fw_dump->tmpl_hdr_size = hdr->size; + fw_dump->version = hdr->version; + fw_dump->num_entries = hdr->num_entries; + fw_dump->offset = hdr->offset; + + hdr->drv_cap_mask = hdr->cap_mask; + fw_dump->cap_mask = hdr->cap_mask; + + fw_dump->use_pex_dma = (hdr->capabilities & BIT_0) ? true : false; +} + +inline u32 qlcnic_82xx_get_cap_size(void *t_hdr, int index) +{ + struct qlcnic_82xx_dump_template_hdr *hdr = t_hdr; + + return hdr->cap_sizes[index]; +} + +void qlcnic_82xx_set_sys_info(void *t_hdr, int idx, u32 value) +{ + struct qlcnic_82xx_dump_template_hdr *hdr = t_hdr; + + hdr->sys_info[idx] = value; +} + +void qlcnic_82xx_store_cap_mask(void *tmpl_hdr, u32 mask) +{ + struct qlcnic_82xx_dump_template_hdr *hdr = tmpl_hdr; + + hdr->drv_cap_mask = mask; +} + +inline u32 qlcnic_83xx_get_saved_state(void *t_hdr, u32 index) +{ + struct qlcnic_83xx_dump_template_hdr *hdr = t_hdr; + + return hdr->saved_state[index]; +} + +inline void qlcnic_83xx_set_saved_state(void *t_hdr, u32 index, + u32 value) +{ + struct qlcnic_83xx_dump_template_hdr *hdr = t_hdr; + + hdr->saved_state[index] = value; +} + +#define QLCNIC_TEMPLATE_VERSION (0x20001) + +void qlcnic_83xx_cache_tmpl_hdr_values(struct qlcnic_fw_dump *fw_dump) +{ + struct qlcnic_83xx_dump_template_hdr *hdr; + + hdr = fw_dump->tmpl_hdr; + fw_dump->tmpl_hdr_size = hdr->size; + fw_dump->version = hdr->version; + fw_dump->num_entries = hdr->num_entries; + fw_dump->offset = hdr->offset; + + hdr->drv_cap_mask = hdr->cap_mask; + fw_dump->cap_mask = hdr->cap_mask; + + fw_dump->use_pex_dma = (fw_dump->version & 0xfffff) >= + QLCNIC_TEMPLATE_VERSION; +} + +inline u32 qlcnic_83xx_get_cap_size(void *t_hdr, int index) +{ + struct qlcnic_83xx_dump_template_hdr *hdr = t_hdr; + + return hdr->cap_sizes[index]; +} + +void qlcnic_83xx_set_sys_info(void *t_hdr, int idx, u32 value) +{ + struct qlcnic_83xx_dump_template_hdr *hdr = t_hdr; + + hdr->sys_info[idx] = value; +} + +void qlcnic_83xx_store_cap_mask(void *tmpl_hdr, u32 mask) +{ + struct qlcnic_83xx_dump_template_hdr *hdr; + + hdr = tmpl_hdr; + hdr->drv_cap_mask = mask; +} + +struct qlcnic_dump_operations { + enum qlcnic_minidump_opcode opcode; + u32 (*handler)(struct qlcnic_adapter *, struct qlcnic_dump_entry *, + __le32 *); +}; + +static u32 qlcnic_dump_crb(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i; + u32 addr, data; + struct __crb *crb = &entry->region.crb; + + addr = crb->addr; + + for (i = 0; i < crb->no_ops; i++) { + data = qlcnic_ind_rd(adapter, addr); + *buffer++ = cpu_to_le32(addr); + *buffer++ = cpu_to_le32(data); + addr += crb->stride; + } + return crb->no_ops * 2 * sizeof(u32); +} + +static u32 qlcnic_dump_ctrl(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + void *hdr = adapter->ahw->fw_dump.tmpl_hdr; + struct __ctrl *ctr = &entry->region.ctrl; + int i, k, timeout = 0; + u32 addr, data, temp; + u8 no_ops; + + addr = ctr->addr; + no_ops = ctr->no_ops; + + for (i = 0; i < no_ops; i++) { + k = 0; + for (k = 0; k < 8; k++) { + if (!(ctr->opcode & (1 << k))) + continue; + switch (1 << k) { + case QLCNIC_DUMP_WCRB: + qlcnic_ind_wr(adapter, addr, ctr->val1); + break; + case QLCNIC_DUMP_RWCRB: + data = qlcnic_ind_rd(adapter, addr); + qlcnic_ind_wr(adapter, addr, data); + break; + case QLCNIC_DUMP_ANDCRB: + data = qlcnic_ind_rd(adapter, addr); + qlcnic_ind_wr(adapter, addr, + (data & ctr->val2)); + break; + case QLCNIC_DUMP_ORCRB: + data = qlcnic_ind_rd(adapter, addr); + qlcnic_ind_wr(adapter, addr, + (data | ctr->val3)); + break; + case QLCNIC_DUMP_POLLCRB: + while (timeout <= ctr->timeout) { + data = qlcnic_ind_rd(adapter, addr); + if ((data & ctr->val2) == ctr->val1) + break; + usleep_range(1000, 2000); + timeout++; + } + if (timeout > ctr->timeout) { + dev_info(&adapter->pdev->dev, + "Timed out, aborting poll CRB\n"); + return -EINVAL; + } + break; + case QLCNIC_DUMP_RD_SAVE: + temp = ctr->index_a; + if (temp) + addr = qlcnic_get_saved_state(adapter, + hdr, + temp); + data = qlcnic_ind_rd(adapter, addr); + qlcnic_set_saved_state(adapter, hdr, + ctr->index_v, data); + break; + case QLCNIC_DUMP_WRT_SAVED: + temp = ctr->index_v; + if (temp) + data = qlcnic_get_saved_state(adapter, + hdr, + temp); + else + data = ctr->val1; + + temp = ctr->index_a; + if (temp) + addr = qlcnic_get_saved_state(adapter, + hdr, + temp); + qlcnic_ind_wr(adapter, addr, data); + break; + case QLCNIC_DUMP_MOD_SAVE_ST: + data = qlcnic_get_saved_state(adapter, hdr, + ctr->index_v); + data <<= ctr->shl_val; + data >>= ctr->shr_val; + if (ctr->val2) + data &= ctr->val2; + data |= ctr->val3; + data += ctr->val1; + qlcnic_set_saved_state(adapter, hdr, + ctr->index_v, data); + break; + default: + dev_info(&adapter->pdev->dev, + "Unknown opcode\n"); + break; + } + } + addr += ctr->stride; + } + return 0; +} + +static u32 qlcnic_dump_mux(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int loop; + u32 val, data = 0; + struct __mux *mux = &entry->region.mux; + + val = mux->val; + for (loop = 0; loop < mux->no_ops; loop++) { + qlcnic_ind_wr(adapter, mux->addr, val); + data = qlcnic_ind_rd(adapter, mux->read_addr); + *buffer++ = cpu_to_le32(val); + *buffer++ = cpu_to_le32(data); + val += mux->val_stride; + } + return 2 * mux->no_ops * sizeof(u32); +} + +static u32 qlcnic_dump_que(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i, loop; + u32 cnt, addr, data, que_id = 0; + struct __queue *que = &entry->region.que; + + addr = que->read_addr; + cnt = que->read_addr_cnt; + + for (loop = 0; loop < que->no_ops; loop++) { + qlcnic_ind_wr(adapter, que->sel_addr, que_id); + addr = que->read_addr; + for (i = 0; i < cnt; i++) { + data = qlcnic_ind_rd(adapter, addr); + *buffer++ = cpu_to_le32(data); + addr += que->read_addr_stride; + } + que_id += que->stride; + } + return que->no_ops * cnt * sizeof(u32); +} + +static u32 qlcnic_dump_ocm(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i; + u32 data; + void __iomem *addr; + struct __ocm *ocm = &entry->region.ocm; + + addr = adapter->ahw->pci_base0 + ocm->read_addr; + for (i = 0; i < ocm->no_ops; i++) { + data = readl(addr); + *buffer++ = cpu_to_le32(data); + addr += ocm->read_addr_stride; + } + return ocm->no_ops * sizeof(u32); +} + +static u32 qlcnic_read_rom(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i, count = 0; + u32 fl_addr, size, val, lck_val, addr; + struct __mem *rom = &entry->region.mem; + + fl_addr = rom->addr; + size = rom->size / 4; +lock_try: + lck_val = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK); + if (!lck_val && count < MAX_CTL_CHECK) { + usleep_range(10000, 11000); + count++; + goto lock_try; + } + QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, + adapter->ahw->pci_func); + for (i = 0; i < size; i++) { + addr = fl_addr & 0xFFFF0000; + qlcnic_ind_wr(adapter, FLASH_ROM_WINDOW, addr); + addr = LSW(fl_addr) + FLASH_ROM_DATA; + val = qlcnic_ind_rd(adapter, addr); + fl_addr += 4; + *buffer++ = cpu_to_le32(val); + } + QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK); + return rom->size; +} + +static u32 qlcnic_dump_l1_cache(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i; + u32 cnt, val, data, addr; + struct __cache *l1 = &entry->region.cache; + + val = l1->init_tag_val; + + for (i = 0; i < l1->no_ops; i++) { + qlcnic_ind_wr(adapter, l1->addr, val); + qlcnic_ind_wr(adapter, l1->ctrl_addr, LSW(l1->ctrl_val)); + addr = l1->read_addr; + cnt = l1->read_addr_num; + while (cnt) { + data = qlcnic_ind_rd(adapter, addr); + *buffer++ = cpu_to_le32(data); + addr += l1->read_addr_stride; + cnt--; + } + val += l1->stride; + } + return l1->no_ops * l1->read_addr_num * sizeof(u32); +} + +static u32 qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + int i; + u32 cnt, val, data, addr; + u8 poll_mask, poll_to, time_out = 0; + struct __cache *l2 = &entry->region.cache; + + val = l2->init_tag_val; + poll_mask = LSB(MSW(l2->ctrl_val)); + poll_to = MSB(MSW(l2->ctrl_val)); + + for (i = 0; i < l2->no_ops; i++) { + qlcnic_ind_wr(adapter, l2->addr, val); + if (LSW(l2->ctrl_val)) + qlcnic_ind_wr(adapter, l2->ctrl_addr, + LSW(l2->ctrl_val)); + if (!poll_mask) + goto skip_poll; + do { + data = qlcnic_ind_rd(adapter, l2->ctrl_addr); + if (!(data & poll_mask)) + break; + usleep_range(1000, 2000); + time_out++; + } while (time_out <= poll_to); + + if (time_out > poll_to) { + dev_err(&adapter->pdev->dev, + "Timeout exceeded in %s, aborting dump\n", + __func__); + return -EINVAL; + } +skip_poll: + addr = l2->read_addr; + cnt = l2->read_addr_num; + while (cnt) { + data = qlcnic_ind_rd(adapter, addr); + *buffer++ = cpu_to_le32(data); + addr += l2->read_addr_stride; + cnt--; + } + val += l2->stride; + } + return l2->no_ops * l2->read_addr_num * sizeof(u32); +} + +static u32 qlcnic_read_memory_test_agent(struct qlcnic_adapter *adapter, + struct __mem *mem, __le32 *buffer, + int *ret) +{ + u32 addr, data, test; + int i, reg_read; + + reg_read = mem->size; + addr = mem->addr; + /* check for data size of multiple of 16 and 16 byte alignment */ + if ((addr & 0xf) || (reg_read%16)) { + dev_info(&adapter->pdev->dev, + "Unaligned memory addr:0x%x size:0x%x\n", + addr, reg_read); + *ret = -EINVAL; + return 0; + } + + mutex_lock(&adapter->ahw->mem_lock); + + while (reg_read != 0) { + qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr); + qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0); + qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_START_ENABLE); + + for (i = 0; i < MAX_CTL_CHECK; i++) { + test = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL); + if (!(test & TA_CTL_BUSY)) + break; + } + if (i == MAX_CTL_CHECK) { + if (printk_ratelimit()) { + dev_err(&adapter->pdev->dev, + "failed to read through agent\n"); + *ret = -EIO; + goto out; + } + } + for (i = 0; i < 4; i++) { + data = qlcnic_ind_rd(adapter, qlcnic_ms_read_data[i]); + *buffer++ = cpu_to_le32(data); + } + addr += 16; + reg_read -= 16; + ret += 16; + cond_resched(); + } +out: + mutex_unlock(&adapter->ahw->mem_lock); + return mem->size; +} + +/* DMA register base address */ +#define QLC_DMA_REG_BASE_ADDR(dma_no) (0x77320000 + (dma_no * 0x10000)) + +/* DMA register offsets w.r.t base address */ +#define QLC_DMA_CMD_BUFF_ADDR_LOW 0 +#define QLC_DMA_CMD_BUFF_ADDR_HI 4 +#define QLC_DMA_CMD_STATUS_CTRL 8 + +static int qlcnic_start_pex_dma(struct qlcnic_adapter *adapter, + struct __mem *mem) +{ + struct device *dev = &adapter->pdev->dev; + u32 dma_no, dma_base_addr, temp_addr; + int i, ret, dma_sts; + void *tmpl_hdr; + + tmpl_hdr = adapter->ahw->fw_dump.tmpl_hdr; + dma_no = qlcnic_get_saved_state(adapter, tmpl_hdr, + QLC_83XX_DMA_ENGINE_INDEX); + dma_base_addr = QLC_DMA_REG_BASE_ADDR(dma_no); + + temp_addr = dma_base_addr + QLC_DMA_CMD_BUFF_ADDR_LOW; + ret = qlcnic_ind_wr(adapter, temp_addr, mem->desc_card_addr); + if (ret) + return ret; + + temp_addr = dma_base_addr + QLC_DMA_CMD_BUFF_ADDR_HI; + ret = qlcnic_ind_wr(adapter, temp_addr, 0); + if (ret) + return ret; + + temp_addr = dma_base_addr + QLC_DMA_CMD_STATUS_CTRL; + ret = qlcnic_ind_wr(adapter, temp_addr, mem->start_dma_cmd); + if (ret) + return ret; + + /* Wait for DMA to complete */ + temp_addr = dma_base_addr + QLC_DMA_CMD_STATUS_CTRL; + for (i = 0; i < 400; i++) { + dma_sts = qlcnic_ind_rd(adapter, temp_addr); + + if (dma_sts & BIT_1) + usleep_range(250, 500); + else + break; + } + + if (i >= 400) { + dev_info(dev, "PEX DMA operation timed out"); + ret = -EIO; + } + + return ret; +} + +static u32 qlcnic_read_memory_pexdma(struct qlcnic_adapter *adapter, + struct __mem *mem, + __le32 *buffer, int *ret) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + u32 temp, dma_base_addr, size = 0, read_size = 0; + struct qlcnic_pex_dma_descriptor *dma_descr; + struct device *dev = &adapter->pdev->dev; + dma_addr_t dma_phys_addr; + void *dma_buffer; + void *tmpl_hdr; + + tmpl_hdr = fw_dump->tmpl_hdr; + + /* Check if DMA engine is available */ + temp = qlcnic_get_saved_state(adapter, tmpl_hdr, + QLC_83XX_DMA_ENGINE_INDEX); + dma_base_addr = QLC_DMA_REG_BASE_ADDR(temp); + temp = qlcnic_ind_rd(adapter, + dma_base_addr + QLC_DMA_CMD_STATUS_CTRL); + + if (!(temp & BIT_31)) { + dev_info(dev, "%s: DMA engine is not available\n", __func__); + *ret = -EIO; + return 0; + } + + /* Create DMA descriptor */ + dma_descr = kzalloc(sizeof(struct qlcnic_pex_dma_descriptor), + GFP_KERNEL); + if (!dma_descr) { + *ret = -ENOMEM; + return 0; + } + + /* dma_desc_cmd 0:15 = 0 + * dma_desc_cmd 16:19 = mem->dma_desc_cmd 0:3 + * dma_desc_cmd 20:23 = pci function number + * dma_desc_cmd 24:31 = mem->dma_desc_cmd 8:15 + */ + dma_phys_addr = fw_dump->phys_addr; + dma_buffer = fw_dump->dma_buffer; + temp = 0; + temp = mem->dma_desc_cmd & 0xff0f; + temp |= (adapter->ahw->pci_func & 0xf) << 4; + dma_descr->dma_desc_cmd = (temp << 16) & 0xffff0000; + dma_descr->dma_bus_addr_low = LSD(dma_phys_addr); + dma_descr->dma_bus_addr_high = MSD(dma_phys_addr); + dma_descr->src_addr_high = 0; + + /* Collect memory dump using multiple DMA operations if required */ + while (read_size < mem->size) { + if (mem->size - read_size >= QLC_PEX_DMA_READ_SIZE) + size = QLC_PEX_DMA_READ_SIZE; + else + size = mem->size - read_size; + + dma_descr->src_addr_low = mem->addr + read_size; + dma_descr->read_data_size = size; + + /* Write DMA descriptor to MS memory*/ + temp = sizeof(struct qlcnic_pex_dma_descriptor) / 16; + *ret = qlcnic_ms_mem_write128(adapter, mem->desc_card_addr, + (u32 *)dma_descr, temp); + if (*ret) { + dev_info(dev, "Failed to write DMA descriptor to MS memory at address 0x%x\n", + mem->desc_card_addr); + goto free_dma_descr; + } + + *ret = qlcnic_start_pex_dma(adapter, mem); + if (*ret) { + dev_info(dev, "Failed to start PEX DMA operation\n"); + goto free_dma_descr; + } + + memcpy(buffer, dma_buffer, size); + buffer += size / 4; + read_size += size; + } + +free_dma_descr: + kfree(dma_descr); + + return read_size; +} + +static u32 qlcnic_read_memory(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + struct device *dev = &adapter->pdev->dev; + struct __mem *mem = &entry->region.mem; + u32 data_size; + int ret = 0; + + if (fw_dump->use_pex_dma) { + data_size = qlcnic_read_memory_pexdma(adapter, mem, buffer, + &ret); + if (ret) + dev_info(dev, + "Failed to read memory dump using PEX DMA: mask[0x%x]\n", + entry->hdr.mask); + else + return data_size; + } + + data_size = qlcnic_read_memory_test_agent(adapter, mem, buffer, &ret); + if (ret) { + dev_info(dev, + "Failed to read memory dump using test agent method: mask[0x%x]\n", + entry->hdr.mask); + return 0; + } else { + return data_size; + } +} + +static u32 qlcnic_dump_nop(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + return 0; +} + +static int qlcnic_valid_dump_entry(struct device *dev, + struct qlcnic_dump_entry *entry, u32 size) +{ + int ret = 1; + if (size != entry->hdr.cap_size) { + dev_err(dev, + "Invalid entry, Type:%d\tMask:%d\tSize:%dCap_size:%d\n", + entry->hdr.type, entry->hdr.mask, size, + entry->hdr.cap_size); + ret = 0; + } + return ret; +} + +static u32 qlcnic_read_pollrdmwr(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, + __le32 *buffer) +{ + struct __pollrdmwr *poll = &entry->region.pollrdmwr; + u32 data, wait_count, poll_wait, temp; + + poll_wait = poll->poll_wait; + + qlcnic_ind_wr(adapter, poll->addr1, poll->val1); + wait_count = 0; + + while (wait_count < poll_wait) { + data = qlcnic_ind_rd(adapter, poll->addr1); + if ((data & poll->poll_mask) != 0) + break; + wait_count++; + } + + if (wait_count == poll_wait) { + dev_err(&adapter->pdev->dev, + "Timeout exceeded in %s, aborting dump\n", + __func__); + return 0; + } + + data = qlcnic_ind_rd(adapter, poll->addr2) & poll->mod_mask; + qlcnic_ind_wr(adapter, poll->addr2, data); + qlcnic_ind_wr(adapter, poll->addr1, poll->val2); + wait_count = 0; + + while (wait_count < poll_wait) { + temp = qlcnic_ind_rd(adapter, poll->addr1); + if ((temp & poll->poll_mask) != 0) + break; + wait_count++; + } + + *buffer++ = cpu_to_le32(poll->addr2); + *buffer++ = cpu_to_le32(data); + + return 2 * sizeof(u32); + +} + +static u32 qlcnic_read_pollrd(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + struct __pollrd *pollrd = &entry->region.pollrd; + u32 data, wait_count, poll_wait, sel_val; + int i; + + poll_wait = pollrd->poll_wait; + sel_val = pollrd->sel_val; + + for (i = 0; i < pollrd->no_ops; i++) { + qlcnic_ind_wr(adapter, pollrd->sel_addr, sel_val); + wait_count = 0; + while (wait_count < poll_wait) { + data = qlcnic_ind_rd(adapter, pollrd->sel_addr); + if ((data & pollrd->poll_mask) != 0) + break; + wait_count++; + } + + if (wait_count == poll_wait) { + dev_err(&adapter->pdev->dev, + "Timeout exceeded in %s, aborting dump\n", + __func__); + return 0; + } + + data = qlcnic_ind_rd(adapter, pollrd->read_addr); + *buffer++ = cpu_to_le32(sel_val); + *buffer++ = cpu_to_le32(data); + sel_val += pollrd->sel_val_stride; + } + return pollrd->no_ops * (2 * sizeof(u32)); +} + +static u32 qlcnic_read_mux2(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + struct __mux2 *mux2 = &entry->region.mux2; + u32 data; + u32 t_sel_val, sel_val1, sel_val2; + int i; + + sel_val1 = mux2->sel_val1; + sel_val2 = mux2->sel_val2; + + for (i = 0; i < mux2->no_ops; i++) { + qlcnic_ind_wr(adapter, mux2->sel_addr1, sel_val1); + t_sel_val = sel_val1 & mux2->sel_val_mask; + qlcnic_ind_wr(adapter, mux2->sel_addr2, t_sel_val); + data = qlcnic_ind_rd(adapter, mux2->read_addr); + *buffer++ = cpu_to_le32(t_sel_val); + *buffer++ = cpu_to_le32(data); + qlcnic_ind_wr(adapter, mux2->sel_addr1, sel_val2); + t_sel_val = sel_val2 & mux2->sel_val_mask; + qlcnic_ind_wr(adapter, mux2->sel_addr2, t_sel_val); + data = qlcnic_ind_rd(adapter, mux2->read_addr); + *buffer++ = cpu_to_le32(t_sel_val); + *buffer++ = cpu_to_le32(data); + sel_val1 += mux2->sel_val_stride; + sel_val2 += mux2->sel_val_stride; + } + + return mux2->no_ops * (4 * sizeof(u32)); +} + +static u32 qlcnic_83xx_dump_rom(struct qlcnic_adapter *adapter, + struct qlcnic_dump_entry *entry, __le32 *buffer) +{ + u32 fl_addr, size; + struct __mem *rom = &entry->region.mem; + + fl_addr = rom->addr; + size = rom->size / 4; + + if (!qlcnic_83xx_lockless_flash_read32(adapter, fl_addr, + (u8 *)buffer, size)) + return rom->size; + + return 0; +} + +static const struct qlcnic_dump_operations qlcnic_fw_dump_ops[] = { + {QLCNIC_DUMP_NOP, qlcnic_dump_nop}, + {QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb}, + {QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux}, + {QLCNIC_DUMP_QUEUE, qlcnic_dump_que}, + {QLCNIC_DUMP_BRD_CONFIG, qlcnic_read_rom}, + {QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm}, + {QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl}, + {QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_READ_ROM, qlcnic_read_rom}, + {QLCNIC_DUMP_READ_MEM, qlcnic_read_memory}, + {QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl}, + {QLCNIC_DUMP_TLHDR, qlcnic_dump_nop}, + {QLCNIC_DUMP_RDEND, qlcnic_dump_nop}, +}; + +static const struct qlcnic_dump_operations qlcnic_83xx_fw_dump_ops[] = { + {QLCNIC_DUMP_NOP, qlcnic_dump_nop}, + {QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb}, + {QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux}, + {QLCNIC_DUMP_QUEUE, qlcnic_dump_que}, + {QLCNIC_DUMP_BRD_CONFIG, qlcnic_83xx_dump_rom}, + {QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm}, + {QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl}, + {QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache}, + {QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache}, + {QLCNIC_DUMP_POLL_RD, qlcnic_read_pollrd}, + {QLCNIC_READ_MUX2, qlcnic_read_mux2}, + {QLCNIC_READ_POLLRDMWR, qlcnic_read_pollrdmwr}, + {QLCNIC_DUMP_READ_ROM, qlcnic_83xx_dump_rom}, + {QLCNIC_DUMP_READ_MEM, qlcnic_read_memory}, + {QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl}, + {QLCNIC_DUMP_TLHDR, qlcnic_dump_nop}, + {QLCNIC_DUMP_RDEND, qlcnic_dump_nop}, +}; + +static uint32_t qlcnic_temp_checksum(uint32_t *temp_buffer, u32 temp_size) +{ + uint64_t sum = 0; + int count = temp_size / sizeof(uint32_t); + while (count-- > 0) + sum += *temp_buffer++; + while (sum >> 32) + sum = (sum & 0xFFFFFFFF) + (sum >> 32); + return ~sum; +} + +static int qlcnic_fw_flash_get_minidump_temp(struct qlcnic_adapter *adapter, + u8 *buffer, u32 size) +{ + int ret = 0; + + if (qlcnic_82xx_check(adapter)) + return -EIO; + + if (qlcnic_83xx_lock_flash(adapter)) + return -EIO; + + ret = qlcnic_83xx_lockless_flash_read32(adapter, + QLC_83XX_MINIDUMP_FLASH, + buffer, size / sizeof(u32)); + + qlcnic_83xx_unlock_flash(adapter); + + return ret; +} + +static int +qlcnic_fw_flash_get_minidump_temp_size(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_83xx_dump_template_hdr tmp_hdr; + u32 size = sizeof(tmp_hdr) / sizeof(u32); + int ret = 0; + + if (qlcnic_82xx_check(adapter)) + return -EIO; + + if (qlcnic_83xx_lock_flash(adapter)) + return -EIO; + + ret = qlcnic_83xx_lockless_flash_read32(adapter, + QLC_83XX_MINIDUMP_FLASH, + (u8 *)&tmp_hdr, size); + + qlcnic_83xx_unlock_flash(adapter); + + cmd->rsp.arg[2] = tmp_hdr.size; + cmd->rsp.arg[3] = tmp_hdr.version; + + return ret; +} + +static int qlcnic_fw_get_minidump_temp_size(struct qlcnic_adapter *adapter, + u32 *version, u32 *temp_size, + u8 *use_flash_temp) +{ + int err = 0; + struct qlcnic_cmd_args cmd; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TEMP_SIZE)) + return -ENOMEM; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err != QLCNIC_RCODE_SUCCESS) { + if (qlcnic_fw_flash_get_minidump_temp_size(adapter, &cmd)) { + qlcnic_free_mbx_args(&cmd); + return -EIO; + } + *use_flash_temp = 1; + } + + *temp_size = cmd.rsp.arg[2]; + *version = cmd.rsp.arg[3]; + qlcnic_free_mbx_args(&cmd); + + if (!(*temp_size)) + return -EIO; + + return 0; +} + +static int __qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter, + u32 *buffer, u32 temp_size) +{ + int err = 0, i; + void *tmp_addr; + __le32 *tmp_buf; + struct qlcnic_cmd_args cmd; + dma_addr_t tmp_addr_t = 0; + + tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, temp_size, + &tmp_addr_t, GFP_KERNEL); + if (!tmp_addr) + return -ENOMEM; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_TEMP_HDR)) { + err = -ENOMEM; + goto free_mem; + } + + cmd.req.arg[1] = LSD(tmp_addr_t); + cmd.req.arg[2] = MSD(tmp_addr_t); + cmd.req.arg[3] = temp_size; + err = qlcnic_issue_cmd(adapter, &cmd); + + tmp_buf = tmp_addr; + if (err == QLCNIC_RCODE_SUCCESS) { + for (i = 0; i < temp_size / sizeof(u32); i++) + *buffer++ = __le32_to_cpu(*tmp_buf++); + } + + qlcnic_free_mbx_args(&cmd); + +free_mem: + dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t); + + return err; +} + +int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw; + struct qlcnic_fw_dump *fw_dump; + u32 version, csum, *tmp_buf; + u8 use_flash_temp = 0; + u32 temp_size = 0; + void *temp_buffer; + int err; + + ahw = adapter->ahw; + fw_dump = &ahw->fw_dump; + err = qlcnic_fw_get_minidump_temp_size(adapter, &version, &temp_size, + &use_flash_temp); + if (err) { + dev_err(&adapter->pdev->dev, + "Can't get template size %d\n", err); + return -EIO; + } + + fw_dump->tmpl_hdr = vzalloc(temp_size); + if (!fw_dump->tmpl_hdr) + return -ENOMEM; + + tmp_buf = (u32 *)fw_dump->tmpl_hdr; + if (use_flash_temp) + goto flash_temp; + + err = __qlcnic_fw_cmd_get_minidump_temp(adapter, tmp_buf, temp_size); + + if (err) { +flash_temp: + err = qlcnic_fw_flash_get_minidump_temp(adapter, (u8 *)tmp_buf, + temp_size); + + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to get minidump template header %d\n", + err); + vfree(fw_dump->tmpl_hdr); + fw_dump->tmpl_hdr = NULL; + return -EIO; + } + } + + csum = qlcnic_temp_checksum((uint32_t *)tmp_buf, temp_size); + + if (csum) { + dev_err(&adapter->pdev->dev, + "Template header checksum validation failed\n"); + vfree(fw_dump->tmpl_hdr); + fw_dump->tmpl_hdr = NULL; + return -EIO; + } + + qlcnic_cache_tmpl_hdr_values(adapter, fw_dump); + + if (fw_dump->use_pex_dma) { + fw_dump->dma_buffer = NULL; + temp_buffer = dma_alloc_coherent(&adapter->pdev->dev, + QLC_PEX_DMA_READ_SIZE, + &fw_dump->phys_addr, + GFP_KERNEL); + if (!temp_buffer) + fw_dump->use_pex_dma = false; + else + fw_dump->dma_buffer = temp_buffer; + } + + + dev_info(&adapter->pdev->dev, + "Default minidump capture mask 0x%x\n", + fw_dump->cap_mask); + + qlcnic_enable_fw_dump_state(adapter); + + return 0; +} + +int qlcnic_dump_fw(struct qlcnic_adapter *adapter) +{ + struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; + const struct qlcnic_dump_operations *fw_dump_ops; + struct qlcnic_83xx_dump_template_hdr *hdr_83xx; + u32 entry_offset, dump, no_entries, buf_offset = 0; + int i, k, ops_cnt, ops_index, dump_size = 0; + struct device *dev = &adapter->pdev->dev; + struct qlcnic_hardware_context *ahw; + struct qlcnic_dump_entry *entry; + void *tmpl_hdr; + u32 ocm_window; + __le32 *buffer; + char mesg[64]; + char *msg[] = {mesg, NULL}; + + ahw = adapter->ahw; + tmpl_hdr = fw_dump->tmpl_hdr; + + /* Return if we don't have firmware dump template header */ + if (!tmpl_hdr) + return -EIO; + + if (!qlcnic_check_fw_dump_state(adapter)) { + dev_info(&adapter->pdev->dev, "Dump not enabled\n"); + return -EIO; + } + + if (fw_dump->clr) { + dev_info(&adapter->pdev->dev, + "Previous dump not cleared, not capturing dump\n"); + return -EIO; + } + + netif_info(adapter->ahw, drv, adapter->netdev, "Take FW dump\n"); + /* Calculate the size for dump data area only */ + for (i = 2, k = 1; (i & QLCNIC_DUMP_MASK_MAX); i <<= 1, k++) + if (i & fw_dump->cap_mask) + dump_size += qlcnic_get_cap_size(adapter, tmpl_hdr, k); + + if (!dump_size) + return -EIO; + + fw_dump->data = vzalloc(dump_size); + if (!fw_dump->data) + return -ENOMEM; + + buffer = fw_dump->data; + fw_dump->size = dump_size; + no_entries = fw_dump->num_entries; + entry_offset = fw_dump->offset; + qlcnic_set_sys_info(adapter, tmpl_hdr, 0, QLCNIC_DRIVER_VERSION); + qlcnic_set_sys_info(adapter, tmpl_hdr, 1, adapter->fw_version); + + if (qlcnic_82xx_check(adapter)) { + ops_cnt = ARRAY_SIZE(qlcnic_fw_dump_ops); + fw_dump_ops = qlcnic_fw_dump_ops; + } else { + hdr_83xx = tmpl_hdr; + ops_cnt = ARRAY_SIZE(qlcnic_83xx_fw_dump_ops); + fw_dump_ops = qlcnic_83xx_fw_dump_ops; + ocm_window = hdr_83xx->ocm_wnd_reg[ahw->pci_func]; + hdr_83xx->saved_state[QLC_83XX_OCM_INDEX] = ocm_window; + hdr_83xx->saved_state[QLC_83XX_PCI_INDEX] = ahw->pci_func; + } + + for (i = 0; i < no_entries; i++) { + entry = tmpl_hdr + entry_offset; + if (!(entry->hdr.mask & fw_dump->cap_mask)) { + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + entry_offset += entry->hdr.offset; + continue; + } + + /* Find the handler for this entry */ + ops_index = 0; + while (ops_index < ops_cnt) { + if (entry->hdr.type == fw_dump_ops[ops_index].opcode) + break; + ops_index++; + } + + if (ops_index == ops_cnt) { + dev_info(dev, "Skipping unknown entry opcode %d\n", + entry->hdr.type); + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + entry_offset += entry->hdr.offset; + continue; + } + + /* Collect dump for this entry */ + dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer); + if (!qlcnic_valid_dump_entry(dev, entry, dump)) { + entry->hdr.flags |= QLCNIC_DUMP_SKIP; + entry_offset += entry->hdr.offset; + continue; + } + + buf_offset += entry->hdr.cap_size; + entry_offset += entry->hdr.offset; + buffer = fw_dump->data + buf_offset; + cond_resched(); + } + + fw_dump->clr = 1; + snprintf(mesg, sizeof(mesg), "FW_DUMP=%s", adapter->netdev->name); + netdev_info(adapter->netdev, + "Dump data %d bytes captured, dump data address = %p, template header size %d bytes, template address = %p\n", + fw_dump->size, fw_dump->data, fw_dump->tmpl_hdr_size, + fw_dump->tmpl_hdr); + /* Send a udev event to notify availability of FW dump */ + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, msg); + + return 0; +} + +static inline bool +qlcnic_83xx_md_check_extended_dump_capability(struct qlcnic_adapter *adapter) +{ + /* For special adapters (with 0x8830 device ID), where iSCSI firmware + * dump needs to be captured as part of regular firmware dump + * collection process, firmware exports it's capability through + * capability registers + */ + return ((adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE8830) && + (adapter->ahw->extra_capability[0] & + QLCNIC_FW_CAPABILITY_2_EXT_ISCSI_DUMP)); +} + +void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter) +{ + u32 prev_version, current_version; + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; + struct pci_dev *pdev = adapter->pdev; + bool extended = false; + int ret; + + prev_version = adapter->fw_version; + current_version = qlcnic_83xx_get_fw_version(adapter); + + if (fw_dump->tmpl_hdr == NULL || current_version > prev_version) { + vfree(fw_dump->tmpl_hdr); + fw_dump->tmpl_hdr = NULL; + + if (qlcnic_83xx_md_check_extended_dump_capability(adapter)) + extended = !qlcnic_83xx_extend_md_capab(adapter); + + ret = qlcnic_fw_cmd_get_minidump_temp(adapter); + if (ret) + return; + + dev_info(&pdev->dev, "Supports FW dump capability\n"); + + /* Once we have minidump template with extended iSCSI dump + * capability, update the minidump capture mask to 0x1f as + * per FW requirement + */ + if (extended) { + struct qlcnic_83xx_dump_template_hdr *hdr; + + hdr = fw_dump->tmpl_hdr; + if (!hdr) + return; + hdr->drv_cap_mask = 0x1f; + fw_dump->cap_mask = 0x1f; + dev_info(&pdev->dev, + "Extended iSCSI dump capability and updated capture mask to 0x1f\n"); + } + } +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h new file mode 100644 index 000000000..d0111cb3b --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h @@ -0,0 +1,277 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#ifndef _QLCNIC_83XX_SRIOV_H_ +#define _QLCNIC_83XX_SRIOV_H_ + +#include <linux/types.h> +#include <linux/pci.h> + +#include "qlcnic.h" + +extern const u32 qlcnic_83xx_reg_tbl[]; +extern const u32 qlcnic_83xx_ext_reg_tbl[]; + +struct qlcnic_bc_payload { + u64 payload[126]; +}; + +struct qlcnic_bc_hdr { +#if defined(__LITTLE_ENDIAN) + u8 version; + u8 msg_type:4; + u8 rsvd1:3; + u8 op_type:1; + u8 num_cmds; + u8 num_frags; + u8 frag_num; + u8 cmd_op; + u16 seq_id; + u64 rsvd3; +#elif defined(__BIG_ENDIAN) + u8 num_frags; + u8 num_cmds; + u8 op_type:1; + u8 rsvd1:3; + u8 msg_type:4; + u8 version; + u16 seq_id; + u8 cmd_op; + u8 frag_num; + u64 rsvd3; +#endif +}; + +enum qlcnic_bc_commands { + QLCNIC_BC_CMD_CHANNEL_INIT = 0x0, + QLCNIC_BC_CMD_CHANNEL_TERM = 0x1, + QLCNIC_BC_CMD_GET_ACL = 0x2, + QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3, +}; + +#define QLCNIC_83XX_SRIOV_VF_MAX_MAC 2 +#define QLC_BC_CMD 1 + +struct qlcnic_trans_list { + /* Lock for manipulating list */ + spinlock_t lock; + struct list_head wait_list; + int count; +}; + +enum qlcnic_trans_state { + QLC_INIT = 0, + QLC_WAIT_FOR_CHANNEL_FREE, + QLC_WAIT_FOR_RESP, + QLC_ABORT, + QLC_END, +}; + +struct qlcnic_bc_trans { + u8 func_id; + u8 active; + u8 curr_rsp_frag; + u8 curr_req_frag; + u16 cmd_id; + u16 req_pay_size; + u16 rsp_pay_size; + u32 trans_id; + enum qlcnic_trans_state trans_state; + struct list_head list; + struct qlcnic_bc_hdr *req_hdr; + struct qlcnic_bc_hdr *rsp_hdr; + struct qlcnic_bc_payload *req_pay; + struct qlcnic_bc_payload *rsp_pay; + struct completion resp_cmpl; + struct qlcnic_vf_info *vf; +}; + +enum qlcnic_vf_state { + QLC_BC_VF_SEND = 0, + QLC_BC_VF_RECV, + QLC_BC_VF_CHANNEL, + QLC_BC_VF_STATE, + QLC_BC_VF_FLR, + QLC_BC_VF_SOFT_FLR, +}; + +enum qlcnic_vlan_mode { + QLC_NO_VLAN_MODE = 0, + QLC_PVID_MODE, + QLC_GUEST_VLAN_MODE, +}; + +struct qlcnic_resources { + u16 num_tx_mac_filters; + u16 num_rx_ucast_mac_filters; + u16 num_rx_mcast_mac_filters; + + u16 num_txvlan_keys; + + u16 num_rx_queues; + u16 num_tx_queues; + + u16 num_rx_buf_rings; + u16 num_rx_status_rings; + + u16 num_destip; + u32 num_lro_flows_supported; + u16 max_local_ipv6_addrs; + u16 max_remote_ipv6_addrs; +}; + +struct qlcnic_vport { + u16 handle; + u16 max_tx_bw; + u16 min_tx_bw; + u16 pvid; + u8 vlan_mode; + u8 qos; + bool spoofchk; + u8 mac[6]; +}; + +struct qlcnic_vf_info { + u8 pci_func; + u16 rx_ctx_id; + u16 tx_ctx_id; + u16 *sriov_vlans; + int num_vlan; + unsigned long state; + struct completion ch_free_cmpl; + struct work_struct trans_work; + struct work_struct flr_work; + /* It synchronizes commands sent from VF */ + struct mutex send_cmd_lock; + struct qlcnic_bc_trans *send_cmd; + struct qlcnic_bc_trans *flr_trans; + struct qlcnic_trans_list rcv_act; + struct qlcnic_trans_list rcv_pend; + struct qlcnic_adapter *adapter; + struct qlcnic_vport *vp; + spinlock_t vlan_list_lock; /* Lock for VLAN list */ +}; + +struct qlcnic_async_cmd { + struct list_head list; + struct qlcnic_cmd_args *cmd; +}; + +struct qlcnic_back_channel { + u16 trans_counter; + struct workqueue_struct *bc_trans_wq; + struct workqueue_struct *bc_async_wq; + struct workqueue_struct *bc_flr_wq; + struct qlcnic_adapter *adapter; + struct list_head async_cmd_list; + struct work_struct vf_async_work; + spinlock_t queue_lock; /* async_cmd_list queue lock */ +}; + +struct qlcnic_sriov { + u16 vp_handle; + u8 num_vfs; + u8 any_vlan; + u8 vlan_mode; + u16 num_allowed_vlans; + u16 *allowed_vlans; + u16 vlan; + struct qlcnic_resources ff_max; + struct qlcnic_back_channel bc; + struct qlcnic_vf_info *vf_info; +}; + +int qlcnic_sriov_init(struct qlcnic_adapter *, int); +void qlcnic_sriov_cleanup(struct qlcnic_adapter *); +void __qlcnic_sriov_cleanup(struct qlcnic_adapter *); +void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *); +int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int); +void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *); +int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8); +void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32); +int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8); +void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *); +void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *); +int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *, + struct qlcnic_bc_trans *); +int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *, + struct qlcnic_info *, u16); +int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8); +void qlcnic_sriov_free_vlans(struct qlcnic_adapter *); +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *); +bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *); +void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *, + struct qlcnic_vf_info *, u16); +void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *, + struct qlcnic_vf_info *, u16); + +static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter) +{ + return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false; +} + +#ifdef CONFIG_QLCNIC_SRIOV +void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *, + struct qlcnic_bc_trans *, + struct qlcnic_cmd_args *); +void qlcnic_sriov_pf_disable(struct qlcnic_adapter *); +void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *); +int qlcnic_pci_sriov_configure(struct pci_dev *, int); +void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *); +void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *); +void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *); +bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *, + struct qlcnic_bc_trans *, + struct qlcnic_vf_info *); +void qlcnic_sriov_pf_reset(struct qlcnic_adapter *); +int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *); +int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *); +int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int); +int qlcnic_sriov_get_vf_config(struct net_device *, int , + struct ifla_vf_info *); +int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8, __be16); +int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool); +#else +static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {} +static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {} +static inline void +qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) {} +static inline void +qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) {} +static inline void +qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) {} +static inline void +qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) {} +static inline void +qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id) +{} +static inline void +qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id) +{} +static inline void +qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id) +{} +static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf) {} +static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, + struct qlcnic_vf_info *vf) +{ return false; } +static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {} +static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter) +{ return 0; } +#endif + +#endif diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c new file mode 100644 index 000000000..e864c453c --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -0,0 +1,2235 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/types.h> + +#include "qlcnic_sriov.h" +#include "qlcnic.h" +#include "qlcnic_83xx_hw.h" + +#define QLC_BC_COMMAND 0 +#define QLC_BC_RESPONSE 1 + +#define QLC_MBOX_RESP_TIMEOUT (10 * HZ) +#define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) + +#define QLC_BC_MSG 0 +#define QLC_BC_CFREE 1 +#define QLC_BC_FLR 2 +#define QLC_BC_HDR_SZ 16 +#define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) + +#define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 +#define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 + +#define QLC_83XX_VF_RESET_FAIL_THRESH 8 +#define QLC_BC_CMD_MAX_RETRY_CNT 5 + +static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work); +static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); +static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); +static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); +static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); +static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); +static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, + struct qlcnic_cmd_args *); +static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); +static void qlcnic_sriov_process_bc_cmd(struct work_struct *); +static int qlcnic_sriov_vf_shutdown(struct pci_dev *); +static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *); +static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *, + struct qlcnic_cmd_args *); + +static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { + .read_crb = qlcnic_83xx_read_crb, + .write_crb = qlcnic_83xx_write_crb, + .read_reg = qlcnic_83xx_rd_reg_indirect, + .write_reg = qlcnic_83xx_wrt_reg_indirect, + .get_mac_address = qlcnic_83xx_get_mac_address, + .setup_intr = qlcnic_83xx_setup_intr, + .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, + .mbx_cmd = qlcnic_sriov_issue_cmd, + .get_func_no = qlcnic_83xx_get_func_no, + .api_lock = qlcnic_83xx_cam_lock, + .api_unlock = qlcnic_83xx_cam_unlock, + .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, + .create_rx_ctx = qlcnic_83xx_create_rx_ctx, + .create_tx_ctx = qlcnic_83xx_create_tx_ctx, + .del_rx_ctx = qlcnic_83xx_del_rx_ctx, + .del_tx_ctx = qlcnic_83xx_del_tx_ctx, + .setup_link_event = qlcnic_83xx_setup_link_event, + .get_nic_info = qlcnic_83xx_get_nic_info, + .get_pci_info = qlcnic_83xx_get_pci_info, + .set_nic_info = qlcnic_83xx_set_nic_info, + .change_macvlan = qlcnic_83xx_sre_macaddr_change, + .napi_enable = qlcnic_83xx_napi_enable, + .napi_disable = qlcnic_83xx_napi_disable, + .config_intr_coal = qlcnic_83xx_config_intr_coal, + .config_rss = qlcnic_83xx_config_rss, + .config_hw_lro = qlcnic_83xx_config_hw_lro, + .config_promisc_mode = qlcnic_83xx_nic_set_promisc, + .change_l2_filter = qlcnic_83xx_change_l2_filter, + .get_board_info = qlcnic_83xx_get_port_info, + .free_mac_list = qlcnic_sriov_vf_free_mac_list, + .enable_sds_intr = qlcnic_83xx_enable_sds_intr, + .disable_sds_intr = qlcnic_83xx_disable_sds_intr, + .encap_rx_offload = qlcnic_83xx_encap_rx_offload, + .encap_tx_offload = qlcnic_83xx_encap_tx_offload, +}; + +static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { + .config_bridged_mode = qlcnic_config_bridged_mode, + .config_led = qlcnic_config_led, + .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, + .napi_add = qlcnic_83xx_napi_add, + .napi_del = qlcnic_83xx_napi_del, + .shutdown = qlcnic_sriov_vf_shutdown, + .resume = qlcnic_sriov_vf_resume, + .config_ipaddr = qlcnic_83xx_config_ipaddr, + .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, +}; + +static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { + {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, + {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, + {QLCNIC_BC_CMD_GET_ACL, 3, 14}, + {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, +}; + +static inline bool qlcnic_sriov_bc_msg_check(u32 val) +{ + return (val & (1 << QLC_BC_MSG)) ? true : false; +} + +static inline bool qlcnic_sriov_channel_free_check(u32 val) +{ + return (val & (1 << QLC_BC_CFREE)) ? true : false; +} + +static inline bool qlcnic_sriov_flr_check(u32 val) +{ + return (val & (1 << QLC_BC_FLR)) ? true : false; +} + +static inline u8 qlcnic_sriov_target_func_id(u32 val) +{ + return (val >> 4) & 0xff; +} + +static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) +{ + struct pci_dev *dev = adapter->pdev; + int pos; + u16 stride, offset; + + if (qlcnic_sriov_vf_check(adapter)) + return 0; + + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); + if (!pos) + return 0; + pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); + pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); + + return (dev->devfn + offset + stride * vf_id) & 0xff; +} + +int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) +{ + struct qlcnic_sriov *sriov; + struct qlcnic_back_channel *bc; + struct workqueue_struct *wq; + struct qlcnic_vport *vp; + struct qlcnic_vf_info *vf; + int err, i; + + if (!qlcnic_sriov_enable_check(adapter)) + return -EIO; + + sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); + if (!sriov) + return -ENOMEM; + + adapter->ahw->sriov = sriov; + sriov->num_vfs = num_vfs; + bc = &sriov->bc; + sriov->vf_info = kcalloc(num_vfs, sizeof(struct qlcnic_vf_info), + GFP_KERNEL); + if (!sriov->vf_info) { + err = -ENOMEM; + goto qlcnic_free_sriov; + } + + wq = create_singlethread_workqueue("bc-trans"); + if (wq == NULL) { + err = -ENOMEM; + dev_err(&adapter->pdev->dev, + "Cannot create bc-trans workqueue\n"); + goto qlcnic_free_vf_info; + } + + bc->bc_trans_wq = wq; + + wq = create_singlethread_workqueue("async"); + if (wq == NULL) { + err = -ENOMEM; + dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); + goto qlcnic_destroy_trans_wq; + } + + bc->bc_async_wq = wq; + INIT_LIST_HEAD(&bc->async_cmd_list); + INIT_WORK(&bc->vf_async_work, qlcnic_sriov_handle_async_issue_cmd); + spin_lock_init(&bc->queue_lock); + bc->adapter = adapter; + + for (i = 0; i < num_vfs; i++) { + vf = &sriov->vf_info[i]; + vf->adapter = adapter; + vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); + mutex_init(&vf->send_cmd_lock); + spin_lock_init(&vf->vlan_list_lock); + INIT_LIST_HEAD(&vf->rcv_act.wait_list); + INIT_LIST_HEAD(&vf->rcv_pend.wait_list); + spin_lock_init(&vf->rcv_act.lock); + spin_lock_init(&vf->rcv_pend.lock); + init_completion(&vf->ch_free_cmpl); + + INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); + + if (qlcnic_sriov_pf_check(adapter)) { + vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); + if (!vp) { + err = -ENOMEM; + goto qlcnic_destroy_async_wq; + } + sriov->vf_info[i].vp = vp; + vp->vlan_mode = QLC_GUEST_VLAN_MODE; + vp->max_tx_bw = MAX_BW; + vp->min_tx_bw = MIN_BW; + vp->spoofchk = false; + eth_random_addr(vp->mac); + dev_info(&adapter->pdev->dev, + "MAC Address %pM is configured for VF %d\n", + vp->mac, i); + } + } + + return 0; + +qlcnic_destroy_async_wq: + while (i--) + kfree(sriov->vf_info[i].vp); + destroy_workqueue(bc->bc_async_wq); + +qlcnic_destroy_trans_wq: + destroy_workqueue(bc->bc_trans_wq); + +qlcnic_free_vf_info: + kfree(sriov->vf_info); + +qlcnic_free_sriov: + kfree(adapter->ahw->sriov); + return err; +} + +void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) +{ + struct qlcnic_bc_trans *trans; + struct qlcnic_cmd_args cmd; + unsigned long flags; + + spin_lock_irqsave(&t_list->lock, flags); + + while (!list_empty(&t_list->wait_list)) { + trans = list_first_entry(&t_list->wait_list, + struct qlcnic_bc_trans, list); + list_del(&trans->list); + t_list->count--; + cmd.req.arg = (u32 *)trans->req_pay; + cmd.rsp.arg = (u32 *)trans->rsp_pay; + qlcnic_free_mbx_args(&cmd); + qlcnic_sriov_cleanup_transaction(trans); + } + + spin_unlock_irqrestore(&t_list->lock, flags); +} + +void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_back_channel *bc = &sriov->bc; + struct qlcnic_vf_info *vf; + int i; + + if (!qlcnic_sriov_enable_check(adapter)) + return; + + qlcnic_sriov_cleanup_async_list(bc); + destroy_workqueue(bc->bc_async_wq); + + for (i = 0; i < sriov->num_vfs; i++) { + vf = &sriov->vf_info[i]; + qlcnic_sriov_cleanup_list(&vf->rcv_pend); + cancel_work_sync(&vf->trans_work); + qlcnic_sriov_cleanup_list(&vf->rcv_act); + } + + destroy_workqueue(bc->bc_trans_wq); + + for (i = 0; i < sriov->num_vfs; i++) + kfree(sriov->vf_info[i].vp); + + kfree(sriov->vf_info); + kfree(adapter->ahw->sriov); +} + +static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) +{ + qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); + qlcnic_sriov_cfg_bc_intr(adapter, 0); + __qlcnic_sriov_cleanup(adapter); +} + +void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) +{ + if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) + return; + + qlcnic_sriov_free_vlans(adapter); + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_sriov_pf_cleanup(adapter); + + if (qlcnic_sriov_vf_check(adapter)) + qlcnic_sriov_vf_cleanup(adapter); +} + +static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, + u32 *pay, u8 pci_func, u8 size) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + struct qlcnic_cmd_args cmd; + unsigned long timeout; + int err; + + memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); + cmd.hdr = hdr; + cmd.pay = pay; + cmd.pay_size = size; + cmd.func_num = pci_func; + cmd.op_type = QLC_83XX_MBX_POST_BC_OP; + cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; + + err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); + if (err) { + dev_err(&adapter->pdev->dev, + "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, cmd.cmd_op, cmd.type, ahw->pci_func, + ahw->op_mode); + return err; + } + + if (!wait_for_completion_timeout(&cmd.completion, timeout)) { + dev_err(&adapter->pdev->dev, + "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", + __func__, cmd.cmd_op, cmd.type, ahw->pci_func, + ahw->op_mode); + flush_workqueue(mbx->work_q); + } + + return cmd.rsp_opcode; +} + +static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) +{ + adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; + adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; + adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; + adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; + adapter->num_txd = MAX_CMD_DESCRIPTORS; + adapter->max_rds_rings = MAX_RDS_RINGS; +} + +int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info, u16 vport_id) +{ + struct device *dev = &adapter->pdev->dev; + struct qlcnic_cmd_args cmd; + int err; + u32 status; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); + if (err) + return err; + + cmd.req.arg[1] = vport_id << 16 | 0x1; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to get vport info, err=%d\n", err); + qlcnic_free_mbx_args(&cmd); + return err; + } + + status = cmd.rsp.arg[2] & 0xffff; + if (status & BIT_0) + npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); + if (status & BIT_1) + npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); + if (status & BIT_2) + npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); + if (status & BIT_3) + npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); + if (status & BIT_4) + npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); + if (status & BIT_5) + npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); + if (status & BIT_6) + npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); + if (status & BIT_7) + npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); + if (status & BIT_8) + npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); + if (status & BIT_9) + npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); + + npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); + npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); + npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); + npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); + + dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" + "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" + "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" + "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" + "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" + "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", + npar_info->min_tx_bw, npar_info->max_tx_bw, + npar_info->max_tx_ques, npar_info->max_tx_mac_filters, + npar_info->max_rx_mcast_mac_filters, + npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, + npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, + npar_info->max_rx_buf_rings, npar_info->max_rx_ques, + npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, + npar_info->max_remote_ipv6_addrs); + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; + adapter->flags &= ~QLCNIC_TAGGING_ENABLED; + return 0; +} + +static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + int i, num_vlans, ret; + u16 *vlans; + + if (sriov->allowed_vlans) + return 0; + + sriov->any_vlan = cmd->rsp.arg[2] & 0xf; + sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; + dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", + sriov->num_allowed_vlans); + + ret = qlcnic_sriov_alloc_vlans(adapter); + if (ret) + return ret; + + if (!sriov->any_vlan) + return 0; + + num_vlans = sriov->num_allowed_vlans; + sriov->allowed_vlans = kcalloc(num_vlans, sizeof(u16), GFP_KERNEL); + if (!sriov->allowed_vlans) + return -ENOMEM; + + vlans = (u16 *)&cmd->rsp.arg[3]; + for (i = 0; i < num_vlans; i++) + sriov->allowed_vlans[i] = vlans[i]; + + return 0; +} + +static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_cmd_args cmd; + int ret = 0; + + memset(&cmd, 0, sizeof(cmd)); + ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); + if (ret) + return ret; + + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) { + dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", + ret); + } else { + sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; + switch (sriov->vlan_mode) { + case QLC_GUEST_VLAN_MODE: + ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); + break; + case QLC_PVID_MODE: + ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); + break; + } + } + + qlcnic_free_mbx_args(&cmd); + return ret; +} + +static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_info nic_info; + int err; + + err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); + if (err) + return err; + + ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; + + err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); + if (err) + return -EIO; + + if (qlcnic_83xx_get_port_info(adapter)) + return -EIO; + + qlcnic_sriov_vf_cfg_buff_desc(adapter); + adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; + dev_info(&adapter->pdev->dev, "HAL Version: %d\n", + adapter->ahw->fw_hal_version); + + ahw->physical_port = (u8) nic_info.phys_port; + ahw->switch_mode = nic_info.switch_mode; + ahw->max_mtu = nic_info.max_mtu; + ahw->op_mode = nic_info.op_mode; + ahw->capabilities = nic_info.capabilities; + return 0; +} + +static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, + int pci_using_dac) +{ + int err; + + adapter->flags |= QLCNIC_VLAN_FILTERING; + adapter->ahw->total_nic_func = 1; + INIT_LIST_HEAD(&adapter->vf_mc_list); + if (!qlcnic_use_msi_x && !!qlcnic_use_msi) + dev_warn(&adapter->pdev->dev, + "Device does not support MSI interrupts\n"); + + /* compute and set default and max tx/sds rings */ + qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); + qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); + + err = qlcnic_setup_intr(adapter); + if (err) { + dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); + goto err_out_disable_msi; + } + + err = qlcnic_83xx_setup_mbx_intr(adapter); + if (err) + goto err_out_disable_msi; + + err = qlcnic_sriov_init(adapter, 1); + if (err) + goto err_out_disable_mbx_intr; + + err = qlcnic_sriov_cfg_bc_intr(adapter, 1); + if (err) + goto err_out_cleanup_sriov; + + err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); + if (err) + goto err_out_disable_bc_intr; + + err = qlcnic_sriov_vf_init_driver(adapter); + if (err) + goto err_out_send_channel_term; + + err = qlcnic_sriov_get_vf_acl(adapter); + if (err) + goto err_out_send_channel_term; + + err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); + if (err) + goto err_out_send_channel_term; + + pci_set_drvdata(adapter->pdev, adapter); + dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", + adapter->netdev->name); + + qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, + adapter->ahw->idc.delay); + return 0; + +err_out_send_channel_term: + qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); + +err_out_disable_bc_intr: + qlcnic_sriov_cfg_bc_intr(adapter, 0); + +err_out_cleanup_sriov: + __qlcnic_sriov_cleanup(adapter); + +err_out_disable_mbx_intr: + qlcnic_83xx_free_mbx_intr(adapter); + +err_out_disable_msi: + qlcnic_teardown_intr(adapter); + return err; +} + +static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) +{ + u32 state; + + do { + msleep(20); + if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) + return -EIO; + state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); + } while (state != QLC_83XX_IDC_DEV_READY); + + return 0; +} + +int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err; + + set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); + ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; + ahw->reset_context = 0; + adapter->fw_fail_cnt = 0; + ahw->msix_supported = 1; + adapter->need_fw_reset = 0; + adapter->flags |= QLCNIC_TX_INTR_SHARED; + + err = qlcnic_sriov_check_dev_ready(adapter); + if (err) + return err; + + err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); + if (err) + return err; + + if (qlcnic_read_mac_addr(adapter)) + dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); + + INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return 0; +} + +void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + + ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; + dev_info(&adapter->pdev->dev, + "HAL Version: %d Non Privileged SRIOV function\n", + ahw->fw_hal_version); + adapter->nic_ops = &qlcnic_sriov_vf_ops; + set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); + return; +} + +void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) +{ + ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; + ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; + ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; +} + +static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) +{ + u32 pay_size; + + pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); + + if (pay_size) + pay_size = QLC_BC_PAYLOAD_SZ; + else + pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; + + return pay_size; +} + +int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) +{ + struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; + u8 i; + + if (qlcnic_sriov_vf_check(adapter)) + return 0; + + for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { + if (vf_info[i].pci_func == pci_func) + return i; + } + + return -EINVAL; +} + +static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) +{ + *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); + if (!*trans) + return -ENOMEM; + + init_completion(&(*trans)->resp_cmpl); + return 0; +} + +static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, + u32 size) +{ + *hdr = kcalloc(size, sizeof(struct qlcnic_bc_hdr), GFP_ATOMIC); + if (!*hdr) + return -ENOMEM; + + return 0; +} + +static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) +{ + const struct qlcnic_mailbox_metadata *mbx_tbl; + int i, size; + + mbx_tbl = qlcnic_sriov_bc_mbx_tbl; + size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); + + for (i = 0; i < size; i++) { + if (type == mbx_tbl[i].cmd) { + mbx->op_type = QLC_BC_CMD; + mbx->req.num = mbx_tbl[i].in_args; + mbx->rsp.num = mbx_tbl[i].out_args; + mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), + GFP_ATOMIC); + if (!mbx->req.arg) + return -ENOMEM; + mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), + GFP_ATOMIC); + if (!mbx->rsp.arg) { + kfree(mbx->req.arg); + mbx->req.arg = NULL; + return -ENOMEM; + } + mbx->req.arg[0] = (type | (mbx->req.num << 16) | + (3 << 29)); + mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; + return 0; + } + } + return -EINVAL; +} + +static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd, + u16 seq, u8 msg_type) +{ + struct qlcnic_bc_hdr *hdr; + int i; + u32 num_regs, bc_pay_sz; + u16 remainder; + u8 cmd_op, num_frags, t_num_frags; + + bc_pay_sz = QLC_BC_PAYLOAD_SZ; + if (msg_type == QLC_BC_COMMAND) { + trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; + trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; + num_regs = cmd->req.num; + trans->req_pay_size = (num_regs * 4); + num_regs = cmd->rsp.num; + trans->rsp_pay_size = (num_regs * 4); + cmd_op = cmd->req.arg[0] & 0xff; + remainder = (trans->req_pay_size) % (bc_pay_sz); + num_frags = (trans->req_pay_size) / (bc_pay_sz); + if (remainder) + num_frags++; + t_num_frags = num_frags; + if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) + return -ENOMEM; + remainder = (trans->rsp_pay_size) % (bc_pay_sz); + num_frags = (trans->rsp_pay_size) / (bc_pay_sz); + if (remainder) + num_frags++; + if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) + return -ENOMEM; + num_frags = t_num_frags; + hdr = trans->req_hdr; + } else { + cmd->req.arg = (u32 *)trans->req_pay; + cmd->rsp.arg = (u32 *)trans->rsp_pay; + cmd_op = cmd->req.arg[0] & 0xff; + cmd->cmd_op = cmd_op; + remainder = (trans->rsp_pay_size) % (bc_pay_sz); + num_frags = (trans->rsp_pay_size) / (bc_pay_sz); + if (remainder) + num_frags++; + cmd->req.num = trans->req_pay_size / 4; + cmd->rsp.num = trans->rsp_pay_size / 4; + hdr = trans->rsp_hdr; + cmd->op_type = trans->req_hdr->op_type; + } + + trans->trans_id = seq; + trans->cmd_id = cmd_op; + for (i = 0; i < num_frags; i++) { + hdr[i].version = 2; + hdr[i].msg_type = msg_type; + hdr[i].op_type = cmd->op_type; + hdr[i].num_cmds = 1; + hdr[i].num_frags = num_frags; + hdr[i].frag_num = i + 1; + hdr[i].cmd_op = cmd_op; + hdr[i].seq_id = seq; + } + return 0; +} + +static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) +{ + if (!trans) + return; + kfree(trans->req_hdr); + kfree(trans->rsp_hdr); + kfree(trans); +} + +static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, + struct qlcnic_bc_trans *trans, u8 type) +{ + struct qlcnic_trans_list *t_list; + unsigned long flags; + int ret = 0; + + if (type == QLC_BC_RESPONSE) { + t_list = &vf->rcv_act; + spin_lock_irqsave(&t_list->lock, flags); + t_list->count--; + list_del(&trans->list); + if (t_list->count > 0) + ret = 1; + spin_unlock_irqrestore(&t_list->lock, flags); + } + if (type == QLC_BC_COMMAND) { + while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) + msleep(100); + vf->send_cmd = NULL; + clear_bit(QLC_BC_VF_SEND, &vf->state); + } + return ret; +} + +static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + work_func_t func) +{ + if (test_bit(QLC_BC_VF_FLR, &vf->state) || + vf->adapter->need_fw_reset) + return; + + queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); +} + +static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) +{ + struct completion *cmpl = &trans->resp_cmpl; + + if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) + trans->trans_state = QLC_END; + else + trans->trans_state = QLC_ABORT; + + return; +} + +static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, + u8 type) +{ + if (type == QLC_BC_RESPONSE) { + trans->curr_rsp_frag++; + if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) + trans->trans_state = QLC_INIT; + else + trans->trans_state = QLC_END; + } else { + trans->curr_req_frag++; + if (trans->curr_req_frag < trans->req_hdr->num_frags) + trans->trans_state = QLC_INIT; + else + trans->trans_state = QLC_WAIT_FOR_RESP; + } +} + +static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, + u8 type) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct completion *cmpl = &vf->ch_free_cmpl; + + if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { + trans->trans_state = QLC_ABORT; + return; + } + + clear_bit(QLC_BC_VF_CHANNEL, &vf->state); + qlcnic_sriov_handle_multi_frags(trans, type); +} + +static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, + u32 *hdr, u32 *pay, u32 size) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u8 i, max = 2, hdr_size, j; + + hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); + max = (size / sizeof(u32)) + hdr_size; + + for (i = 2, j = 0; j < hdr_size; i++, j++) + *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); + for (; j < max; i++, j++) + *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); +} + +static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) +{ + int ret = -EBUSY; + u32 timeout = 10000; + + do { + if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { + ret = 0; + break; + } + mdelay(1); + } while (--timeout); + + return ret; +} + +static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) +{ + struct qlcnic_vf_info *vf = trans->vf; + u32 pay_size; + u32 *hdr, *pay; + int ret; + u8 pci_func = trans->func_id; + + if (__qlcnic_sriov_issue_bc_post(vf)) + return -EBUSY; + + if (type == QLC_BC_COMMAND) { + hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); + pay = (u32 *)(trans->req_pay + trans->curr_req_frag); + pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, + trans->curr_req_frag); + pay_size = (pay_size / sizeof(u32)); + } else { + hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); + pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); + pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, + trans->curr_rsp_frag); + pay_size = (pay_size / sizeof(u32)); + } + + ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, + pci_func, pay_size); + return ret; +} + +static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, + struct qlcnic_vf_info *vf, u8 type) +{ + bool flag = true; + int err = -EIO; + + while (flag) { + if (test_bit(QLC_BC_VF_FLR, &vf->state) || + vf->adapter->need_fw_reset) + trans->trans_state = QLC_ABORT; + + switch (trans->trans_state) { + case QLC_INIT: + trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; + if (qlcnic_sriov_issue_bc_post(trans, type)) + trans->trans_state = QLC_ABORT; + break; + case QLC_WAIT_FOR_CHANNEL_FREE: + qlcnic_sriov_wait_for_channel_free(trans, type); + break; + case QLC_WAIT_FOR_RESP: + qlcnic_sriov_wait_for_resp(trans); + break; + case QLC_END: + err = 0; + flag = false; + break; + case QLC_ABORT: + err = -EIO; + flag = false; + clear_bit(QLC_BC_VF_CHANNEL, &vf->state); + break; + default: + err = -EIO; + flag = false; + } + } + return err; +} + +static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, int pci_func) +{ + struct qlcnic_vf_info *vf; + int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); + + if (index < 0) + return -EIO; + + vf = &adapter->ahw->sriov->vf_info[index]; + trans->vf = vf; + trans->func_id = pci_func; + + if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { + if (qlcnic_sriov_pf_check(adapter)) + return -EIO; + if (qlcnic_sriov_vf_check(adapter) && + trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) + return -EIO; + } + + mutex_lock(&vf->send_cmd_lock); + vf->send_cmd = trans; + err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); + qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); + mutex_unlock(&vf->send_cmd_lock); + return err; +} + +static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ +#ifdef CONFIG_QLCNIC_SRIOV + if (qlcnic_sriov_pf_check(adapter)) { + qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); + return; + } +#endif + cmd->rsp.arg[0] |= (0x9 << 25); + return; +} + +static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) +{ + struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, + trans_work); + struct qlcnic_bc_trans *trans = NULL; + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_cmd_args cmd; + u8 req; + + if (adapter->need_fw_reset) + return; + + if (test_bit(QLC_BC_VF_FLR, &vf->state)) + return; + + memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); + trans = list_first_entry(&vf->rcv_act.wait_list, + struct qlcnic_bc_trans, list); + adapter = vf->adapter; + + if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, + QLC_BC_RESPONSE)) + goto cleanup_trans; + + __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); + trans->trans_state = QLC_INIT; + __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); + +cleanup_trans: + qlcnic_free_mbx_args(&cmd); + req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); + qlcnic_sriov_cleanup_transaction(trans); + if (req) + qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, + qlcnic_sriov_process_bc_cmd); +} + +static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_bc_trans *trans; + u32 pay_size; + + if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) + return; + + trans = vf->send_cmd; + + if (trans == NULL) + goto clear_send; + + if (trans->trans_id != hdr->seq_id) + goto clear_send; + + pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, + trans->curr_rsp_frag); + qlcnic_sriov_pull_bc_msg(vf->adapter, + (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), + (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), + pay_size); + if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) + goto clear_send; + + complete(&trans->resp_cmpl); + +clear_send: + clear_bit(QLC_BC_VF_SEND, &vf->state); +} + +int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + struct qlcnic_bc_trans *trans) +{ + struct qlcnic_trans_list *t_list = &vf->rcv_act; + + t_list->count++; + list_add_tail(&trans->list, &t_list->wait_list); + if (t_list->count == 1) + qlcnic_sriov_schedule_bc_cmd(sriov, vf, + qlcnic_sriov_process_bc_cmd); + return 0; +} + +static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + struct qlcnic_bc_trans *trans) +{ + struct qlcnic_trans_list *t_list = &vf->rcv_act; + + spin_lock(&t_list->lock); + + __qlcnic_sriov_add_act_list(sriov, vf, trans); + + spin_unlock(&t_list->lock); + return 0; +} + +static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + struct qlcnic_bc_hdr *hdr) +{ + struct qlcnic_bc_trans *trans = NULL; + struct list_head *node; + u32 pay_size, curr_frag; + u8 found = 0, active = 0; + + spin_lock(&vf->rcv_pend.lock); + if (vf->rcv_pend.count > 0) { + list_for_each(node, &vf->rcv_pend.wait_list) { + trans = list_entry(node, struct qlcnic_bc_trans, list); + if (trans->trans_id == hdr->seq_id) { + found = 1; + break; + } + } + } + + if (found) { + curr_frag = trans->curr_req_frag; + pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, + curr_frag); + qlcnic_sriov_pull_bc_msg(vf->adapter, + (u32 *)(trans->req_hdr + curr_frag), + (u32 *)(trans->req_pay + curr_frag), + pay_size); + trans->curr_req_frag++; + if (trans->curr_req_frag >= hdr->num_frags) { + vf->rcv_pend.count--; + list_del(&trans->list); + active = 1; + } + } + spin_unlock(&vf->rcv_pend.lock); + + if (active) + if (qlcnic_sriov_add_act_list(sriov, vf, trans)) + qlcnic_sriov_cleanup_transaction(trans); + + return; +} + +static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, + struct qlcnic_bc_hdr *hdr, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_bc_trans *trans; + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_cmd_args cmd; + u32 pay_size; + int err; + u8 cmd_op; + + if (adapter->need_fw_reset) + return; + + if (!test_bit(QLC_BC_VF_STATE, &vf->state) && + hdr->op_type != QLC_BC_CMD && + hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) + return; + + if (hdr->frag_num > 1) { + qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); + return; + } + + memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); + cmd_op = hdr->cmd_op; + if (qlcnic_sriov_alloc_bc_trans(&trans)) + return; + + if (hdr->op_type == QLC_BC_CMD) + err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); + else + err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); + + if (err) { + qlcnic_sriov_cleanup_transaction(trans); + return; + } + + cmd.op_type = hdr->op_type; + if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, + QLC_BC_COMMAND)) { + qlcnic_free_mbx_args(&cmd); + qlcnic_sriov_cleanup_transaction(trans); + return; + } + + pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, + trans->curr_req_frag); + qlcnic_sriov_pull_bc_msg(vf->adapter, + (u32 *)(trans->req_hdr + trans->curr_req_frag), + (u32 *)(trans->req_pay + trans->curr_req_frag), + pay_size); + trans->func_id = vf->pci_func; + trans->vf = vf; + trans->trans_id = hdr->seq_id; + trans->curr_req_frag++; + + if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) + return; + + if (trans->curr_req_frag == trans->req_hdr->num_frags) { + if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { + qlcnic_free_mbx_args(&cmd); + qlcnic_sriov_cleanup_transaction(trans); + } + } else { + spin_lock(&vf->rcv_pend.lock); + list_add_tail(&trans->list, &vf->rcv_pend.wait_list); + vf->rcv_pend.count++; + spin_unlock(&vf->rcv_pend.lock); + } +} + +static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_bc_hdr hdr; + u32 *ptr = (u32 *)&hdr; + u8 msg_type, i; + + for (i = 2; i < 6; i++) + ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); + msg_type = hdr.msg_type; + + switch (msg_type) { + case QLC_BC_COMMAND: + qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); + break; + case QLC_BC_RESPONSE: + qlcnic_sriov_handle_bc_resp(&hdr, vf); + break; + } +} + +static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_adapter *adapter = vf->adapter; + + if (qlcnic_sriov_pf_check(adapter)) + qlcnic_sriov_pf_handle_flr(sriov, vf); + else + dev_err(&adapter->pdev->dev, + "Invalid event to VF. VF should not get FLR event\n"); +} + +void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) +{ + struct qlcnic_vf_info *vf; + struct qlcnic_sriov *sriov; + int index; + u8 pci_func; + + sriov = adapter->ahw->sriov; + pci_func = qlcnic_sriov_target_func_id(event); + index = qlcnic_sriov_func_to_index(adapter, pci_func); + + if (index < 0) + return; + + vf = &sriov->vf_info[index]; + vf->pci_func = pci_func; + + if (qlcnic_sriov_channel_free_check(event)) + complete(&vf->ch_free_cmpl); + + if (qlcnic_sriov_flr_check(event)) { + qlcnic_sriov_handle_flr_event(sriov, vf); + return; + } + + if (qlcnic_sriov_bc_msg_check(event)) + qlcnic_sriov_handle_msg_event(sriov, vf); +} + +int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) +{ + struct qlcnic_cmd_args cmd; + int err; + + if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) + return 0; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) + return -ENOMEM; + + if (enable) + cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); + + err = qlcnic_83xx_issue_cmd(adapter, &cmd); + + if (err != QLCNIC_RCODE_SUCCESS) { + dev_err(&adapter->pdev->dev, + "Failed to %s bc events, err=%d\n", + (enable ? "enable" : "disable"), err); + } + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans) +{ + u8 max = QLC_BC_CMD_MAX_RETRY_CNT; + u32 state; + + state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); + if (state == QLC_83XX_IDC_DEV_READY) { + msleep(20); + clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); + trans->trans_state = QLC_INIT; + if (++adapter->fw_fail_cnt > max) + return -EIO; + else + return 0; + } + + return -EIO; +} + +static int __qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + struct device *dev = &adapter->pdev->dev; + struct qlcnic_bc_trans *trans; + int err; + u32 rsp_data, opcode, mbx_err_code, rsp; + u16 seq = ++adapter->ahw->sriov->bc.trans_counter; + u8 func = ahw->pci_func; + + rsp = qlcnic_sriov_alloc_bc_trans(&trans); + if (rsp) + goto free_cmd; + + rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); + if (rsp) + goto cleanup_transaction; + +retry: + if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { + rsp = -EIO; + QLCDB(adapter, DRV, "MBX not Ready!(cmd 0x%x) for VF 0x%x\n", + QLCNIC_MBX_RSP(cmd->req.arg[0]), func); + goto err_out; + } + + err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); + if (err) { + dev_err(dev, "MBX command 0x%x timed out for VF %d\n", + (cmd->req.arg[0] & 0xffff), func); + rsp = QLCNIC_RCODE_TIMEOUT; + + /* After adapter reset PF driver may take some time to + * respond to VF's request. Retry request till maximum retries. + */ + if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && + !qlcnic_sriov_retry_bc_cmd(adapter, trans)) + goto retry; + + goto err_out; + } + + rsp_data = cmd->rsp.arg[0]; + mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); + opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); + + if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || + (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { + rsp = QLCNIC_RCODE_SUCCESS; + } else { + if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { + rsp = QLCNIC_RCODE_SUCCESS; + } else { + rsp = mbx_err_code; + if (!rsp) + rsp = 1; + + dev_err(dev, + "MBX command 0x%x failed with err:0x%x for VF %d\n", + opcode, mbx_err_code, func); + } + } + +err_out: + if (rsp == QLCNIC_RCODE_TIMEOUT) { + ahw->reset_context = 1; + adapter->need_fw_reset = 1; + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + } + +cleanup_transaction: + qlcnic_sriov_cleanup_transaction(trans); + +free_cmd: + if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { + qlcnic_free_mbx_args(cmd); + kfree(cmd); + } + + return rsp; +} + + +static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) + return qlcnic_sriov_async_issue_cmd(adapter, cmd); + else + return __qlcnic_sriov_issue_cmd(adapter, cmd); +} + +static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_op) +{ + struct qlcnic_cmd_args cmd; + struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; + int ret; + + memset(&cmd, 0, sizeof(cmd)); + if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) + return -ENOMEM; + + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) { + dev_err(&adapter->pdev->dev, + "Failed bc channel %s %d\n", cmd_op ? "term" : "init", + ret); + goto out; + } + + cmd_op = (cmd.rsp.arg[0] & 0xff); + if (cmd.rsp.arg[0] >> 25 == 2) + return 2; + if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) + set_bit(QLC_BC_VF_STATE, &vf->state); + else + clear_bit(QLC_BC_VF_STATE, &vf->state); + +out: + qlcnic_free_mbx_args(&cmd); + return ret; +} + +static void qlcnic_vf_add_mc_list(struct net_device *netdev, const u8 *mac, + enum qlcnic_mac_type mac_type) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf; + u16 vlan_id; + int i; + + vf = &adapter->ahw->sriov->vf_info[0]; + + if (!qlcnic_sriov_check_any_vlan(vf)) { + qlcnic_nic_add_mac(adapter, mac, 0, mac_type); + } else { + spin_lock(&vf->vlan_list_lock); + for (i = 0; i < sriov->num_allowed_vlans; i++) { + vlan_id = vf->sriov_vlans[i]; + if (vlan_id) + qlcnic_nic_add_mac(adapter, mac, vlan_id, + mac_type); + } + spin_unlock(&vf->vlan_list_lock); + if (qlcnic_84xx_check(adapter)) + qlcnic_nic_add_mac(adapter, mac, 0, mac_type); + } +} + +void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) +{ + struct list_head *head = &bc->async_cmd_list; + struct qlcnic_async_cmd *entry; + + flush_workqueue(bc->bc_async_wq); + cancel_work_sync(&bc->vf_async_work); + + spin_lock(&bc->queue_lock); + while (!list_empty(head)) { + entry = list_entry(head->next, struct qlcnic_async_cmd, + list); + list_del(&entry->list); + kfree(entry->cmd); + kfree(entry); + } + spin_unlock(&bc->queue_lock); +} + +void qlcnic_sriov_vf_set_multi(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_hardware_context *ahw = adapter->ahw; + static const u8 bcast_addr[ETH_ALEN] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + }; + struct netdev_hw_addr *ha; + u32 mode = VPORT_MISS_MODE_DROP; + + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) + return; + + if (netdev->flags & IFF_PROMISC) { + if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + } else if ((netdev->flags & IFF_ALLMULTI) || + (netdev_mc_count(netdev) > ahw->max_mc_count)) { + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + } else { + qlcnic_vf_add_mc_list(netdev, bcast_addr, QLCNIC_BROADCAST_MAC); + if (!netdev_mc_empty(netdev)) { + qlcnic_flush_mcast_mac(adapter); + netdev_for_each_mc_addr(ha, netdev) + qlcnic_vf_add_mc_list(netdev, ha->addr, + QLCNIC_MULTICAST_MAC); + } + } + + /* configure unicast MAC address, if there is not sufficient space + * to store all the unicast addresses then enable promiscuous mode + */ + if (netdev_uc_count(netdev) > ahw->max_uc_count) { + mode = VPORT_MISS_MODE_ACCEPT_ALL; + } else if (!netdev_uc_empty(netdev)) { + netdev_for_each_uc_addr(ha, netdev) + qlcnic_vf_add_mc_list(netdev, ha->addr, + QLCNIC_UNICAST_MAC); + } + + if (adapter->pdev->is_virtfn) { + if (mode == VPORT_MISS_MODE_ACCEPT_ALL && + !adapter->fdb_mac_learn) { + qlcnic_alloc_lb_filters_mem(adapter); + adapter->drv_mac_learn = true; + adapter->rx_mac_learn = true; + } else { + adapter->drv_mac_learn = false; + adapter->rx_mac_learn = false; + } + } + + qlcnic_nic_set_promisc(adapter, mode); +} + +static void qlcnic_sriov_handle_async_issue_cmd(struct work_struct *work) +{ + struct qlcnic_async_cmd *entry, *tmp; + struct qlcnic_back_channel *bc; + struct qlcnic_cmd_args *cmd; + struct list_head *head; + LIST_HEAD(del_list); + + bc = container_of(work, struct qlcnic_back_channel, vf_async_work); + head = &bc->async_cmd_list; + + spin_lock(&bc->queue_lock); + list_splice_init(head, &del_list); + spin_unlock(&bc->queue_lock); + + list_for_each_entry_safe(entry, tmp, &del_list, list) { + list_del(&entry->list); + cmd = entry->cmd; + __qlcnic_sriov_issue_cmd(bc->adapter, cmd); + kfree(entry); + } + + if (!list_empty(head)) + queue_work(bc->bc_async_wq, &bc->vf_async_work); + + return; +} + +static struct qlcnic_async_cmd * +qlcnic_sriov_alloc_async_cmd(struct qlcnic_back_channel *bc, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_async_cmd *entry = NULL; + + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + if (!entry) + return NULL; + + entry->cmd = cmd; + + spin_lock(&bc->queue_lock); + list_add_tail(&entry->list, &bc->async_cmd_list); + spin_unlock(&bc->queue_lock); + + return entry; +} + +static void qlcnic_sriov_schedule_async_cmd(struct qlcnic_back_channel *bc, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_async_cmd *entry = NULL; + + entry = qlcnic_sriov_alloc_async_cmd(bc, cmd); + if (!entry) { + qlcnic_free_mbx_args(cmd); + kfree(cmd); + return; + } + + queue_work(bc->bc_async_wq, &bc->vf_async_work); +} + +static int qlcnic_sriov_async_issue_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_cmd_args *cmd) +{ + + struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; + + if (adapter->need_fw_reset) + return -EIO; + + qlcnic_sriov_schedule_async_cmd(bc, cmd); + + return 0; +} + +static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) +{ + int err; + + adapter->need_fw_reset = 0; + qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); + qlcnic_83xx_enable_mbx_interrupt(adapter); + + err = qlcnic_sriov_cfg_bc_intr(adapter, 1); + if (err) + return err; + + err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); + if (err) + goto err_out_cleanup_bc_intr; + + err = qlcnic_sriov_vf_init_driver(adapter); + if (err) + goto err_out_term_channel; + + return 0; + +err_out_term_channel: + qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); + +err_out_cleanup_bc_intr: + qlcnic_sriov_cfg_bc_intr(adapter, 0); + return err; +} + +static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + if (netif_running(netdev)) { + if (!qlcnic_up(adapter, netdev)) + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + + netif_device_attach(netdev); +} + +static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; + struct net_device *netdev = adapter->netdev; + u8 i, max_ints = ahw->num_msix - 1; + + netif_device_detach(netdev); + qlcnic_83xx_detach_mailbox_work(adapter); + qlcnic_83xx_disable_mbx_intr(adapter); + + if (netif_running(netdev)) + qlcnic_down(adapter, netdev); + + for (i = 0; i < max_ints; i++) { + intr_tbl[i].id = i; + intr_tbl[i].enabled = 0; + intr_tbl[i].src = 0; + } + ahw->reset_context = 0; +} + +static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct device *dev = &adapter->pdev->dev; + struct qlc_83xx_idc *idc = &ahw->idc; + u8 func = ahw->pci_func; + u32 state; + + if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || + (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { + if (!qlcnic_sriov_vf_reinit_driver(adapter)) { + qlcnic_sriov_vf_attach(adapter); + adapter->fw_fail_cnt = 0; + dev_info(dev, + "%s: Reinitialization of VF 0x%x done after FW reset\n", + __func__, func); + } else { + dev_err(dev, + "%s: Reinitialization of VF 0x%x failed after FW reset\n", + __func__, func); + state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); + dev_info(dev, "Current state 0x%x after FW reset\n", + state); + } + } + + return 0; +} + +static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_mailbox *mbx = ahw->mailbox; + struct device *dev = &adapter->pdev->dev; + struct qlc_83xx_idc *idc = &ahw->idc; + u8 func = ahw->pci_func; + u32 state; + + adapter->reset_ctx_cnt++; + + /* Skip the context reset and check if FW is hung */ + if (adapter->reset_ctx_cnt < 3) { + adapter->need_fw_reset = 1; + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + dev_info(dev, + "Resetting context, wait here to check if FW is in failed state\n"); + return 0; + } + + /* Check if number of resets exceed the threshold. + * If it exceeds the threshold just fail the VF. + */ + if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { + clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); + adapter->tx_timeo_cnt = 0; + adapter->fw_fail_cnt = 0; + adapter->reset_ctx_cnt = 0; + qlcnic_sriov_vf_detach(adapter); + dev_err(dev, + "Device context resets have exceeded the threshold, device interface will be shutdown\n"); + return -EIO; + } + + dev_info(dev, "Resetting context of VF 0x%x\n", func); + dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", + __func__, adapter->reset_ctx_cnt, func); + set_bit(__QLCNIC_RESETTING, &adapter->state); + adapter->need_fw_reset = 1; + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + qlcnic_sriov_vf_detach(adapter); + adapter->need_fw_reset = 0; + + if (!qlcnic_sriov_vf_reinit_driver(adapter)) { + qlcnic_sriov_vf_attach(adapter); + adapter->tx_timeo_cnt = 0; + adapter->reset_ctx_cnt = 0; + adapter->fw_fail_cnt = 0; + dev_info(dev, "Done resetting context for VF 0x%x\n", func); + } else { + dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", + __func__, func); + state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); + dev_info(dev, "%s: Current state 0x%x\n", __func__, state); + } + + return 0; +} + +static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int ret = 0; + + if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) + ret = qlcnic_sriov_vf_handle_dev_ready(adapter); + else if (ahw->reset_context) + ret = qlcnic_sriov_vf_handle_context_reset(adapter); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return ret; +} + +static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) +{ + struct qlc_83xx_idc *idc = &adapter->ahw->idc; + + dev_err(&adapter->pdev->dev, "Device is in failed state\n"); + if (idc->prev_state == QLC_83XX_IDC_DEV_READY) + qlcnic_sriov_vf_detach(adapter); + + clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return -EIO; +} + +static int +qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + struct qlc_83xx_idc *idc = &adapter->ahw->idc; + + dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); + if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { + set_bit(__QLCNIC_RESETTING, &adapter->state); + adapter->tx_timeo_cnt = 0; + adapter->reset_ctx_cnt = 0; + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + qlcnic_sriov_vf_detach(adapter); + } + + return 0; +} + +static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) +{ + struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; + struct qlc_83xx_idc *idc = &adapter->ahw->idc; + u8 func = adapter->ahw->pci_func; + + if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { + dev_err(&adapter->pdev->dev, + "Firmware hang detected by VF 0x%x\n", func); + set_bit(__QLCNIC_RESETTING, &adapter->state); + adapter->tx_timeo_cnt = 0; + adapter->reset_ctx_cnt = 0; + clear_bit(QLC_83XX_MBX_READY, &mbx->status); + qlcnic_sriov_vf_detach(adapter); + } + return 0; +} + +static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) +{ + dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); + return 0; +} + +static void qlcnic_sriov_vf_periodic_tasks(struct qlcnic_adapter *adapter) +{ + if (adapter->fhash.fnum) + qlcnic_prune_lb_filters(adapter); +} + +static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) +{ + struct qlcnic_adapter *adapter; + struct qlc_83xx_idc *idc; + int ret = 0; + + adapter = container_of(work, struct qlcnic_adapter, fw_work.work); + idc = &adapter->ahw->idc; + idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); + + switch (idc->curr_state) { + case QLC_83XX_IDC_DEV_READY: + ret = qlcnic_sriov_vf_idc_ready_state(adapter); + break; + case QLC_83XX_IDC_DEV_NEED_RESET: + case QLC_83XX_IDC_DEV_INIT: + ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); + break; + case QLC_83XX_IDC_DEV_NEED_QUISCENT: + ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); + break; + case QLC_83XX_IDC_DEV_FAILED: + ret = qlcnic_sriov_vf_idc_failed_state(adapter); + break; + case QLC_83XX_IDC_DEV_QUISCENT: + break; + default: + ret = qlcnic_sriov_vf_idc_unknown_state(adapter); + } + + idc->prev_state = idc->curr_state; + qlcnic_sriov_vf_periodic_tasks(adapter); + + if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) + qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, + idc->delay); +} + +static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) +{ + while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + msleep(20); + + clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); + clear_bit(__QLCNIC_RESETTING, &adapter->state); + cancel_delayed_work_sync(&adapter->fw_work); +} + +static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, u16 vlan_id) +{ + int i, err = -EINVAL; + + if (!vf->sriov_vlans) + return err; + + spin_lock_bh(&vf->vlan_list_lock); + + for (i = 0; i < sriov->num_allowed_vlans; i++) { + if (vf->sriov_vlans[i] == vlan_id) { + err = 0; + break; + } + } + + spin_unlock_bh(&vf->vlan_list_lock); + return err; +} + +static int qlcnic_sriov_validate_num_vlans(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf) +{ + int err = 0; + + spin_lock_bh(&vf->vlan_list_lock); + + if (vf->num_vlan >= sriov->num_allowed_vlans) + err = -EINVAL; + + spin_unlock_bh(&vf->vlan_list_lock); + return err; +} + +static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, + u16 vid, u8 enable) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf; + bool vlan_exist; + u8 allowed = 0; + int i; + + vf = &adapter->ahw->sriov->vf_info[0]; + vlan_exist = qlcnic_sriov_check_any_vlan(vf); + if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) + return -EINVAL; + + if (enable) { + if (qlcnic_83xx_vf_check(adapter) && vlan_exist) + return -EINVAL; + + if (qlcnic_sriov_validate_num_vlans(sriov, vf)) + return -EINVAL; + + if (sriov->any_vlan) { + for (i = 0; i < sriov->num_allowed_vlans; i++) { + if (sriov->allowed_vlans[i] == vid) + allowed = 1; + } + + if (!allowed) + return -EINVAL; + } + } else { + if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) + return -EINVAL; + } + + return 0; +} + +static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, + enum qlcnic_vlan_operations opcode) +{ + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_sriov *sriov; + + sriov = adapter->ahw->sriov; + + if (!vf->sriov_vlans) + return; + + spin_lock_bh(&vf->vlan_list_lock); + + switch (opcode) { + case QLC_VLAN_ADD: + qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); + break; + case QLC_VLAN_DELETE: + qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); + break; + default: + netdev_err(adapter->netdev, "Invalid VLAN operation\n"); + } + + spin_unlock_bh(&vf->vlan_list_lock); + return; +} + +int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, + u16 vid, u8 enable) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct net_device *netdev = adapter->netdev; + struct qlcnic_vf_info *vf; + struct qlcnic_cmd_args cmd; + int ret; + + memset(&cmd, 0, sizeof(cmd)); + if (vid == 0) + return 0; + + vf = &adapter->ahw->sriov->vf_info[0]; + ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); + if (ret) + return ret; + + ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, + QLCNIC_BC_CMD_CFG_GUEST_VLAN); + if (ret) + return ret; + + cmd.req.arg[1] = (enable & 1) | vid << 16; + + qlcnic_sriov_cleanup_async_list(&sriov->bc); + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) { + dev_err(&adapter->pdev->dev, + "Failed to configure guest VLAN, err=%d\n", ret); + } else { + netif_addr_lock_bh(netdev); + qlcnic_free_mac_list(adapter); + netif_addr_unlock_bh(netdev); + + if (enable) + qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); + else + qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); + + netif_addr_lock_bh(netdev); + qlcnic_set_multi(netdev); + netif_addr_unlock_bh(netdev); + } + + qlcnic_free_mbx_args(&cmd); + return ret; +} + +static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) +{ + struct list_head *head = &adapter->mac_list; + struct qlcnic_mac_vlan_list *cur; + + while (!list_empty(head)) { + cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); + qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, + QLCNIC_MAC_DEL); + list_del(&cur->list); + kfree(cur); + } +} + + +static int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + int retval; + + netif_device_detach(netdev); + qlcnic_cancel_idc_work(adapter); + + if (netif_running(netdev)) + qlcnic_down(adapter, netdev); + + qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); + qlcnic_sriov_cfg_bc_intr(adapter, 0); + qlcnic_83xx_disable_mbx_intr(adapter); + cancel_delayed_work_sync(&adapter->idc_aen_work); + + retval = pci_save_state(pdev); + if (retval) + return retval; + + return 0; +} + +static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) +{ + struct qlc_83xx_idc *idc = &adapter->ahw->idc; + struct net_device *netdev = adapter->netdev; + int err; + + set_bit(QLC_83XX_MODULE_LOADED, &idc->status); + qlcnic_83xx_enable_mbx_interrupt(adapter); + err = qlcnic_sriov_cfg_bc_intr(adapter, 1); + if (err) + return err; + + err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); + if (!err) { + if (netif_running(netdev)) { + err = qlcnic_up(adapter, netdev); + if (!err) + qlcnic_restore_indev_addr(netdev, NETDEV_UP); + } + } + + netif_device_attach(netdev); + qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, + idc->delay); + return err; +} + +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf; + int i; + + for (i = 0; i < sriov->num_vfs; i++) { + vf = &sriov->vf_info[i]; + vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, + sizeof(*vf->sriov_vlans), GFP_KERNEL); + if (!vf->sriov_vlans) + return -ENOMEM; + } + + return 0; +} + +void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf; + int i; + + for (i = 0; i < sriov->num_vfs; i++) { + vf = &sriov->vf_info[i]; + kfree(vf->sriov_vlans); + vf->sriov_vlans = NULL; + } +} + +void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, u16 vlan_id) +{ + int i; + + for (i = 0; i < sriov->num_allowed_vlans; i++) { + if (!vf->sriov_vlans[i]) { + vf->sriov_vlans[i] = vlan_id; + vf->num_vlan++; + return; + } + } +} + +void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, u16 vlan_id) +{ + int i; + + for (i = 0; i < sriov->num_allowed_vlans; i++) { + if (vf->sriov_vlans[i] == vlan_id) { + vf->sriov_vlans[i] = 0; + vf->num_vlan--; + return; + } + } +} + +bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) +{ + bool err = false; + + spin_lock_bh(&vf->vlan_list_lock); + + if (vf->num_vlan) + err = true; + + spin_unlock_bh(&vf->vlan_list_lock); + return err; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c new file mode 100644 index 000000000..e90fa97c0 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -0,0 +1,2048 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/types.h> + +#include "qlcnic_sriov.h" +#include "qlcnic.h" + +#define QLCNIC_SRIOV_VF_MAX_MAC 7 +#define QLC_VF_MIN_TX_RATE 100 +#define QLC_VF_MAX_TX_RATE 9999 +#define QLC_MAC_OPCODE_MASK 0x7 +#define QLC_VF_FLOOD_BIT BIT_16 +#define QLC_FLOOD_MODE 0x5 +#define QLC_SRIOV_ALLOW_VLAN0 BIT_19 +#define QLC_INTR_COAL_TYPE_MASK 0x7 + +static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8); + +struct qlcnic_sriov_cmd_handler { + int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *); +}; + +struct qlcnic_sriov_fw_cmd_handler { + u32 cmd; + int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *); +}; + +static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info, + u16 vport_id) +{ + struct qlcnic_cmd_args cmd; + int err; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO)) + return -ENOMEM; + + cmd.req.arg[1] = (vport_id << 16) | 0x1; + cmd.req.arg[2] = npar_info->bit_offsets; + cmd.req.arg[2] |= npar_info->min_tx_bw << 16; + cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16); + cmd.req.arg[4] = npar_info->max_tx_mac_filters; + cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16; + cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters | + (npar_info->max_rx_ip_addr << 16); + cmd.req.arg[6] = npar_info->max_rx_lro_flow | + (npar_info->max_rx_status_rings << 16); + cmd.req.arg[7] = npar_info->max_rx_buf_rings | + (npar_info->max_rx_ques << 16); + cmd.req.arg[8] = npar_info->max_tx_vlan_keys; + cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16; + cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to set vport info, err=%d\n", err); + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter, + struct qlcnic_info *info, u16 func) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_resources *res = &sriov->ff_max; + u16 num_macs = sriov->num_allowed_vlans + 1; + int ret = -EIO, vpid, id; + struct qlcnic_vport *vp; + u32 num_vfs, max, temp; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func); + if (vpid < 0) + return -EINVAL; + + num_vfs = sriov->num_vfs; + max = num_vfs + 1; + info->bit_offsets = 0xffff; + info->max_tx_ques = res->num_tx_queues / max; + + if (qlcnic_83xx_pf_check(adapter)) + num_macs = QLCNIC_83XX_SRIOV_VF_MAX_MAC; + + info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters; + + if (adapter->ahw->pci_func == func) { + info->min_tx_bw = 0; + info->max_tx_bw = MAX_BW; + + temp = res->num_rx_ucast_mac_filters - num_macs * num_vfs; + info->max_rx_ucast_mac_filters = temp; + temp = res->num_tx_mac_filters - num_macs * num_vfs; + info->max_tx_mac_filters = temp; + temp = num_macs * num_vfs * QLCNIC_SRIOV_VF_MAX_MAC; + temp = res->num_rx_mcast_mac_filters - temp; + info->max_rx_mcast_mac_filters = temp; + + info->max_tx_ques = res->num_tx_queues - sriov->num_vfs; + } else { + id = qlcnic_sriov_func_to_index(adapter, func); + if (id < 0) + return id; + vp = sriov->vf_info[id].vp; + info->min_tx_bw = vp->min_tx_bw; + info->max_tx_bw = vp->max_tx_bw; + + info->max_rx_ucast_mac_filters = num_macs; + info->max_tx_mac_filters = num_macs; + temp = num_macs * QLCNIC_SRIOV_VF_MAX_MAC; + info->max_rx_mcast_mac_filters = temp; + + info->max_tx_ques = QLCNIC_SINGLE_RING; + } + + info->max_rx_ip_addr = res->num_destip / max; + info->max_rx_status_rings = res->num_rx_status_rings / max; + info->max_rx_buf_rings = res->num_rx_buf_rings / max; + info->max_rx_ques = res->num_rx_queues / max; + info->max_rx_lro_flow = res->num_lro_flows_supported / max; + info->max_tx_vlan_keys = res->num_txvlan_keys; + info->max_local_ipv6_addrs = res->max_local_ipv6_addrs; + info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs; + + ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid); + if (ret) + return ret; + + return 0; +} + +static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter, + struct qlcnic_info *info) +{ + struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max; + + ff_max->num_tx_mac_filters = info->max_tx_mac_filters; + ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters; + ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters; + ff_max->num_txvlan_keys = info->max_tx_vlan_keys; + ff_max->num_rx_queues = info->max_rx_ques; + ff_max->num_tx_queues = info->max_tx_ques; + ff_max->num_lro_flows_supported = info->max_rx_lro_flow; + ff_max->num_destip = info->max_rx_ip_addr; + ff_max->num_rx_buf_rings = info->max_rx_buf_rings; + ff_max->num_rx_status_rings = info->max_rx_status_rings; + ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs; + ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs; +} + +static void qlcnic_sriov_set_vf_max_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + int temp, total_fn; + + temp = npar_info->max_rx_mcast_mac_filters; + total_fn = sriov->num_vfs + 1; + + temp = temp / (QLCNIC_SRIOV_VF_MAX_MAC * total_fn); + sriov->num_allowed_vlans = temp - 1; + + if (qlcnic_83xx_pf_check(adapter)) + sriov->num_allowed_vlans = 1; + + netdev_info(adapter->netdev, "Max Guest VLANs supported per VF = %d\n", + sriov->num_allowed_vlans); +} + +static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter, + struct qlcnic_info *npar_info) +{ + int err; + struct qlcnic_cmd_args cmd; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO)) + return -ENOMEM; + + cmd.req.arg[1] = 0x2; + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to get PF info, err=%d\n", err); + goto out; + } + + npar_info->total_pf = cmd.rsp.arg[2] & 0xff; + npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff; + npar_info->max_vports = MSW(cmd.rsp.arg[2]); + npar_info->max_tx_ques = LSW(cmd.rsp.arg[3]); + npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]); + npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]); + npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]); + npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]); + npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]); + npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]); + npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]); + npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]); + npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]); + npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]); + npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]); + + qlcnic_sriov_set_vf_max_vlan(adapter, npar_info); + qlcnic_sriov_pf_set_ff_max_res(adapter, npar_info); + dev_info(&adapter->pdev->dev, + "\n\ttotal_pf: %d,\n" + "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n" + "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" + "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" + "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" + "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" + "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n", + npar_info->total_pf, npar_info->total_rss_engines, + npar_info->max_vports, npar_info->max_tx_ques, + npar_info->max_tx_mac_filters, + npar_info->max_rx_mcast_mac_filters, + npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, + npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, + npar_info->max_rx_buf_rings, npar_info->max_rx_ques, + npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, + npar_info->max_remote_ipv6_addrs); + +out: + qlcnic_free_mbx_args(&cmd); + return err; +} + +static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter, + u8 func) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vport *vp; + int index; + + if (adapter->ahw->pci_func == func) { + sriov->vp_handle = 0; + } else { + index = qlcnic_sriov_func_to_index(adapter, func); + if (index < 0) + return; + vp = sriov->vf_info[index].vp; + vp->handle = 0; + } +} + +static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter, + u16 vport_handle, u8 func) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vport *vp; + int index; + + if (adapter->ahw->pci_func == func) { + sriov->vp_handle = vport_handle; + } else { + index = qlcnic_sriov_func_to_index(adapter, func); + if (index < 0) + return; + vp = sriov->vf_info[index].vp; + vp->handle = vport_handle; + } +} + +static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter, + u8 func) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf_info; + int index; + + if (adapter->ahw->pci_func == func) { + return sriov->vp_handle; + } else { + index = qlcnic_sriov_func_to_index(adapter, func); + if (index >= 0) { + vf_info = &sriov->vf_info[index]; + return vf_info->vp->handle; + } + } + + return -EINVAL; +} + +static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter, + u8 flag, u16 func) +{ + struct qlcnic_cmd_args cmd; + int ret; + int vpid; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT)) + return -ENOMEM; + + if (flag) { + cmd.req.arg[3] = func << 8; + } else { + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func); + if (vpid < 0) { + ret = -EINVAL; + goto out; + } + cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1; + } + + ret = qlcnic_issue_cmd(adapter, &cmd); + if (ret) { + dev_err(&adapter->pdev->dev, + "Failed %s vport, err %d for func 0x%x\n", + (flag ? "enable" : "disable"), ret, func); + goto out; + } + + if (flag) { + vpid = cmd.rsp.arg[2] & 0xffff; + qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func); + } else { + qlcnic_sriov_pf_reset_vport_handle(adapter, func); + } + +out: + qlcnic_free_mbx_args(&cmd); + return ret; +} + +static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter, + u8 enable) +{ + struct qlcnic_cmd_args cmd; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); + if (err) + return err; + + cmd.req.arg[1] = 0x4; + if (enable) { + adapter->flags |= QLCNIC_VLAN_FILTERING; + cmd.req.arg[1] |= BIT_16; + if (qlcnic_84xx_check(adapter)) + cmd.req.arg[1] |= QLC_SRIOV_ALLOW_VLAN0; + } else { + adapter->flags &= ~QLCNIC_VLAN_FILTERING; + } + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to configure VLAN filtering, err=%d\n", err); + + qlcnic_free_mbx_args(&cmd); + return err; +} + +/* On configuring VF flood bit, PFD will receive traffic from all VFs */ +static int qlcnic_sriov_pf_cfg_flood(struct qlcnic_adapter *adapter) +{ + struct qlcnic_cmd_args cmd; + int err; + + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); + if (err) + return err; + + cmd.req.arg[1] = QLC_FLOOD_MODE | QLC_VF_FLOOD_BIT; + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, + "Failed to configure VF Flood bit on PF, err=%d\n", + err); + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter, + u8 func, u8 enable) +{ + struct qlcnic_cmd_args cmd; + int err = -EIO; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH)) + return -ENOMEM; + + cmd.req.arg[0] |= (3 << 29); + cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1; + if (enable) + cmd.req.arg[1] |= BIT_0; + + err = qlcnic_issue_cmd(adapter, &cmd); + + if (err != QLCNIC_RCODE_SUCCESS) { + dev_err(&adapter->pdev->dev, + "Failed to enable sriov eswitch%d\n", err); + err = -EIO; + } + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_back_channel *bc = &sriov->bc; + int i; + + for (i = 0; i < sriov->num_vfs; i++) + cancel_work_sync(&sriov->vf_info[i].flr_work); + + destroy_workqueue(bc->bc_flr_wq); +} + +static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter) +{ + struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; + struct workqueue_struct *wq; + + wq = create_singlethread_workqueue("qlcnic-flr"); + if (wq == NULL) { + dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n"); + return -ENOMEM; + } + + bc->bc_flr_wq = wq; + return 0; +} + +void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) +{ + u8 func = adapter->ahw->pci_func; + + if (!qlcnic_sriov_enable_check(adapter)) + return; + + qlcnic_sriov_pf_del_flr_queue(adapter); + qlcnic_sriov_cfg_bc_intr(adapter, 0); + qlcnic_sriov_pf_config_vport(adapter, 0, func); + qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0); + qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0); + __qlcnic_sriov_cleanup(adapter); + adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; + clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); +} + +void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) +{ + if (!qlcnic_sriov_pf_check(adapter)) + return; + + if (!qlcnic_sriov_enable_check(adapter)) + return; + + pci_disable_sriov(adapter->pdev); + netdev_info(adapter->netdev, + "SR-IOV is disabled successfully on port %d\n", + adapter->portnum); +} + +static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + if (pci_vfs_assigned(adapter->pdev)) { + netdev_err(adapter->netdev, + "SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n", + adapter->portnum); + netdev_info(adapter->netdev, + "Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n", + adapter->portnum); + return -EPERM; + } + + qlcnic_sriov_pf_disable(adapter); + + rtnl_lock(); + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + qlcnic_sriov_free_vlans(adapter); + + qlcnic_sriov_pf_cleanup(adapter); + + /* After disabling SRIOV re-init the driver in default mode + configure opmode based on op_mode of function + */ + if (qlcnic_83xx_configure_opmode(adapter)) { + rtnl_unlock(); + return -EIO; + } + + if (netif_running(netdev)) + __qlcnic_up(adapter, netdev); + + rtnl_unlock(); + return 0; +} + +static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_info nic_info, pf_info, vp_info; + int err; + u8 func = ahw->pci_func; + + if (!qlcnic_sriov_enable_check(adapter)) + return 0; + + err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 1); + if (err) + return err; + + if (qlcnic_84xx_check(adapter)) { + err = qlcnic_sriov_pf_cfg_flood(adapter); + if (err) + goto disable_vlan_filtering; + } + + err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1); + if (err) + goto disable_vlan_filtering; + + err = qlcnic_sriov_pf_config_vport(adapter, 1, func); + if (err) + goto disable_eswitch; + + err = qlcnic_sriov_get_pf_info(adapter, &pf_info); + if (err) + goto delete_vport; + + err = qlcnic_get_nic_info(adapter, &nic_info, func); + if (err) + goto delete_vport; + + err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func); + if (err) + goto delete_vport; + + err = qlcnic_sriov_cfg_bc_intr(adapter, 1); + if (err) + goto delete_vport; + + ahw->physical_port = (u8) nic_info.phys_port; + ahw->switch_mode = nic_info.switch_mode; + ahw->max_mtu = nic_info.max_mtu; + ahw->capabilities = nic_info.capabilities; + ahw->nic_mode = QLC_83XX_SRIOV_MODE; + return err; + +delete_vport: + qlcnic_sriov_pf_config_vport(adapter, 0, func); + +disable_eswitch: + qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0); + +disable_vlan_filtering: + qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0); + + return err; +} + +static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs) +{ + int err; + + if (!qlcnic_sriov_enable_check(adapter)) + return 0; + + err = pci_enable_sriov(adapter->pdev, num_vfs); + if (err) + qlcnic_sriov_pf_cleanup(adapter); + + return err; +} + +static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, + int num_vfs) +{ + int err = 0; + + set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); + adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC; + + err = qlcnic_sriov_init(adapter, num_vfs); + if (err) + goto clear_op_mode; + + err = qlcnic_sriov_pf_create_flr_queue(adapter); + if (err) + goto sriov_cleanup; + + err = qlcnic_sriov_pf_init(adapter); + if (err) + goto del_flr_queue; + + err = qlcnic_sriov_alloc_vlans(adapter); + if (err) + goto del_flr_queue; + + return err; + +del_flr_queue: + qlcnic_sriov_pf_del_flr_queue(adapter); + +sriov_cleanup: + __qlcnic_sriov_cleanup(adapter); + +clear_op_mode: + clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); + adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; + return err; +} + +static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) +{ + struct net_device *netdev = adapter->netdev; + int err; + + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { + netdev_err(netdev, + "SR-IOV cannot be enabled, when legacy interrupts are enabled\n"); + return -EIO; + } + + rtnl_lock(); + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + + err = __qlcnic_pci_sriov_enable(adapter, num_vfs); + if (err) + goto error; + + if (netif_running(netdev)) + __qlcnic_up(adapter, netdev); + + rtnl_unlock(); + err = qlcnic_sriov_pf_enable(adapter, num_vfs); + if (!err) { + netdev_info(netdev, + "SR-IOV is enabled successfully on port %d\n", + adapter->portnum); + /* Return number of vfs enabled */ + return num_vfs; + } + + rtnl_lock(); + if (netif_running(netdev)) + __qlcnic_down(adapter, netdev); + +error: + if (!qlcnic_83xx_configure_opmode(adapter)) { + if (netif_running(netdev)) + __qlcnic_up(adapter, netdev); + } + + rtnl_unlock(); + netdev_info(netdev, "Failed to enable SR-IOV on port %d\n", + adapter->portnum); + + return err; +} + +int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs) +{ + struct qlcnic_adapter *adapter = pci_get_drvdata(dev); + int err; + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EBUSY; + + if (num_vfs == 0) + err = qlcnic_pci_sriov_disable(adapter); + else + err = qlcnic_pci_sriov_enable(adapter, num_vfs); + + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return err; +} + +static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func) +{ + struct qlcnic_cmd_args cmd; + struct qlcnic_vport *vp; + int err, id; + u8 *mac; + + id = qlcnic_sriov_func_to_index(adapter, func); + if (id < 0) + return id; + + vp = adapter->ahw->sriov->vf_info[id].vp; + err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); + if (err) + return err; + + cmd.req.arg[1] = 0x3 | func << 16; + if (vp->spoofchk == true) { + mac = vp->mac; + cmd.req.arg[2] |= BIT_1 | BIT_3 | BIT_8; + cmd.req.arg[4] = mac[5] | mac[4] << 8 | mac[3] << 16 | + mac[2] << 24; + cmd.req.arg[5] = mac[1] | mac[0] << 8; + } + + if (vp->vlan_mode == QLC_PVID_MODE) { + cmd.req.arg[2] |= BIT_6; + cmd.req.arg[3] |= vp->pvid << 8; + } + + err = qlcnic_issue_cmd(adapter, &cmd); + if (err) + dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n", + err); + + qlcnic_free_mbx_args(&cmd); + return err; +} + +static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter, + u16 func) +{ + struct qlcnic_info defvp_info; + int err; + + err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func); + if (err) + return -EIO; + + err = qlcnic_sriov_set_vf_acl(adapter, func); + if (err) + return err; + + return 0; +} + +static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_vport *vp = vf->vp; + struct qlcnic_adapter *adapter; + struct qlcnic_sriov *sriov; + u16 func = vf->pci_func; + size_t size; + int err; + + adapter = vf->adapter; + sriov = adapter->ahw->sriov; + + if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) { + err = qlcnic_sriov_pf_config_vport(adapter, 1, func); + if (!err) { + err = qlcnic_sriov_set_vf_vport_info(adapter, func); + if (err) + qlcnic_sriov_pf_config_vport(adapter, 0, func); + } + } else { + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) { + size = sizeof(*vf->sriov_vlans); + size = size * sriov->num_allowed_vlans; + memset(vf->sriov_vlans, 0, size); + } + + err = qlcnic_sriov_pf_config_vport(adapter, 0, func); + } + + if (err) + goto err_out; + + cmd->rsp.arg[0] |= (1 << 25); + + if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) + set_bit(QLC_BC_VF_STATE, &vf->state); + else + clear_bit(QLC_BC_VF_STATE, &vf->state); + + return err; + +err_out: + cmd->rsp.arg[0] |= (2 << 25); + return err; +} + +static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + u16 vlan, u8 op) +{ + struct qlcnic_cmd_args *cmd; + struct qlcnic_macvlan_mbx mv; + struct qlcnic_vport *vp; + u8 *addr; + int err; + u32 *buf; + int vpid; + + vp = vf->vp; + + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (!cmd) + return -ENOMEM; + + err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); + if (err) + goto free_cmd; + + cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func); + if (vpid < 0) { + err = -EINVAL; + goto free_args; + } + + if (vlan) + op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? + QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL); + + cmd->req.arg[1] = op | (1 << 8) | (3 << 6); + cmd->req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31; + + addr = vp->mac; + mv.vlan = vlan; + mv.mac_addr0 = addr[0]; + mv.mac_addr1 = addr[1]; + mv.mac_addr2 = addr[2]; + mv.mac_addr3 = addr[3]; + mv.mac_addr4 = addr[4]; + mv.mac_addr5 = addr[5]; + buf = &cmd->req.arg[2]; + memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); + + err = qlcnic_issue_cmd(adapter, cmd); + + if (!err) + return err; + +free_args: + qlcnic_free_mbx_args(cmd); +free_cmd: + kfree(cmd); + return err; +} + +static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[0] >> 29) != 0x3) + return -EINVAL; + + return 0; +} + +static void qlcnic_83xx_cfg_default_mac_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + int opcode) +{ + struct qlcnic_sriov *sriov; + u16 vlan; + int i; + + sriov = adapter->ahw->sriov; + + spin_lock_bh(&vf->vlan_list_lock); + if (vf->num_vlan) { + for (i = 0; i < sriov->num_allowed_vlans; i++) { + vlan = vf->sriov_vlans[i]; + if (vlan) + qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, + opcode); + } + } + spin_unlock_bh(&vf->vlan_list_lock); + + if (vf->vp->vlan_mode != QLC_PVID_MODE) { + if (qlcnic_83xx_pf_check(adapter) && + qlcnic_sriov_check_any_vlan(vf)) + return; + qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0, opcode); + } +} + +static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = tran->vf; + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_rcv_mbx_out *mbx_out; + int err; + + err = qlcnic_sriov_validate_create_rx_ctx(cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + cmd->req.arg[6] = vf->vp->handle; + err = qlcnic_issue_cmd(adapter, cmd); + + if (!err) { + mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1]; + vf->rx_ctx_id = mbx_out->ctx_id; + qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_ADD); + } else { + vf->rx_ctx_id = 0; + } + + return err; +} + +static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + u8 type, *mac; + + type = cmd->req.arg[1]; + switch (type) { + case QLCNIC_SET_STATION_MAC: + case QLCNIC_SET_FAC_DEF_MAC: + cmd->rsp.arg[0] = (2 << 25); + break; + case QLCNIC_GET_CURRENT_MAC: + cmd->rsp.arg[0] = (1 << 25); + mac = vf->vp->mac; + cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00); + cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) | + ((mac[3]) << 16 & 0xff0000) | + ((mac[2]) << 24 & 0xff000000); + } + + return 0; +} + +static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[0] >> 29) != 0x3) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_tx_mbx_out *mbx_out; + int err; + + err = qlcnic_sriov_validate_create_tx_ctx(cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + cmd->req.arg[5] |= vf->vp->handle << 16; + err = qlcnic_issue_cmd(adapter, cmd); + if (!err) { + mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2]; + vf->tx_ctx_id = mbx_out->ctx_id; + } else { + vf->tx_ctx_id = 0; + } + + return err; +} + +static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[0] >> 29) != 0x3) + return -EINVAL; + + if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_DEL); + cmd->req.arg[1] |= vf->vp->handle << 16; + err = qlcnic_issue_cmd(adapter, cmd); + + if (!err) + vf->rx_ctx_id = 0; + + return err; +} + +static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[0] >> 29) != 0x3) + return -EINVAL; + + if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + cmd->req.arg[1] |= vf->vp->handle << 16; + err = qlcnic_issue_cmd(adapter, cmd); + + if (!err) + vf->tx_ctx_id = 0; + + return err; +} + +static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_cfg_lro(vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + cmd->req.arg[1] |= vf->vp->handle << 16; + cmd->req.arg[1] |= BIT_31; + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func) + return -EINVAL; + + if (!(cmd->req.arg[1] & BIT_16)) + return -EINVAL; + + if ((cmd->req.arg[1] & 0xff) != 0x1) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd); + if (err) + cmd->rsp.arg[0] |= (0x6 << 25); + else + err = qlcnic_issue_cmd(adapter, cmd); + + return err; +} + +static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if (cmd->req.arg[1] != vf->rx_ctx_id) + return -EINVAL; + + if (cmd->req.arg[2] > adapter->ahw->max_mtu) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_mtu(adapter, vf, cmd); + if (err) + cmd->rsp.arg[0] |= (0x6 << 25); + else + err = qlcnic_issue_cmd(adapter, cmd); + + return err; +} + +static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if (cmd->req.arg[1] & BIT_31) { + if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func) + return -EINVAL; + } else { + cmd->req.arg[1] |= vf->vp->handle << 16; + } + + return 0; +} + +static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_get_nic_info(vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if (cmd->req.arg[1] != vf->rx_ctx_id) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_cfg_rss(vf, cmd); + if (err) + cmd->rsp.arg[0] |= (0x6 << 25); + else + err = qlcnic_issue_cmd(adapter, cmd); + + return err; +} + +static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; + u16 ctx_id, pkts, time; + int err = -EINVAL; + u8 type; + + type = cmd->req.arg[1] & QLC_INTR_COAL_TYPE_MASK; + ctx_id = cmd->req.arg[1] >> 16; + pkts = cmd->req.arg[2] & 0xffff; + time = cmd->req.arg[2] >> 16; + + switch (type) { + case QLCNIC_INTR_COAL_TYPE_RX: + if (ctx_id != vf->rx_ctx_id || pkts > coal->rx_packets || + time < coal->rx_time_us) + goto err_label; + break; + case QLCNIC_INTR_COAL_TYPE_TX: + if (ctx_id != vf->tx_ctx_id || pkts > coal->tx_packets || + time < coal->tx_time_us) + goto err_label; + break; + default: + netdev_err(adapter->netdev, "Invalid coalescing type 0x%x received\n", + type); + return err; + } + + return 0; + +err_label: + netdev_err(adapter->netdev, "Expected: rx_ctx_id 0x%x rx_packets 0x%x rx_time_us 0x%x tx_ctx_id 0x%x tx_packets 0x%x tx_time_us 0x%x\n", + vf->rx_ctx_id, coal->rx_packets, coal->rx_time_us, + vf->tx_ctx_id, coal->tx_packets, coal->tx_time_us); + netdev_err(adapter->netdev, "Received: ctx_id 0x%x packets 0x%x time_us 0x%x type 0x%x\n", + ctx_id, pkts, time, type); + + return err; +} + +static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = tran->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vport *vp = vf->vp; + u8 op, new_op; + + if (!(cmd->req.arg[1] & BIT_8)) + return -EINVAL; + + cmd->req.arg[1] |= (vf->vp->handle << 16); + cmd->req.arg[1] |= BIT_31; + + if (vp->vlan_mode == QLC_PVID_MODE) { + op = cmd->req.arg[1] & 0x7; + cmd->req.arg[1] &= ~0x7; + new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? + QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; + cmd->req.arg[3] |= vp->pvid << 16; + cmd->req.arg[1] |= new_op; + } + + return 0; +} + +static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id) + return -EINVAL; + + return 0; +} + +static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + err = qlcnic_sriov_validate_linkevent(vf, cmd); + if (err) { + cmd->rsp.arg[0] |= (0x6 << 25); + return err; + } + + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_adapter *adapter = vf->adapter; + int err; + + cmd->req.arg[1] |= vf->vp->handle << 16; + cmd->req.arg[1] |= BIT_31; + err = qlcnic_issue_cmd(adapter, cmd); + return err; +} + +static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = trans->vf; + struct qlcnic_vport *vp = vf->vp; + u8 mode = vp->vlan_mode; + struct qlcnic_adapter *adapter; + struct qlcnic_sriov *sriov; + + adapter = vf->adapter; + sriov = adapter->ahw->sriov; + + cmd->rsp.arg[0] |= 1 << 25; + + /* For 84xx adapter in case of PVID , PFD should send vlan mode as + * QLC_NO_VLAN_MODE to VFD which is zero in mailbox response + */ + if (qlcnic_84xx_check(adapter) && mode == QLC_PVID_MODE) + return 0; + + switch (mode) { + case QLC_GUEST_VLAN_MODE: + cmd->rsp.arg[1] = mode | 1 << 8; + cmd->rsp.arg[2] = sriov->num_allowed_vlans << 16; + break; + case QLC_PVID_MODE: + cmd->rsp.arg[1] = mode | 1 << 8 | vp->pvid << 16; + break; + } + + return 0; +} + +static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + u16 vlan; + + if (!qlcnic_sriov_check_any_vlan(vf)) + return -EINVAL; + + vlan = cmd->req.arg[1] >> 16; + if (!vf->rx_ctx_id) { + qlcnic_sriov_del_vlan_id(sriov, vf, vlan); + return 0; + } + + qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_DEL); + qlcnic_sriov_del_vlan_id(sriov, vf, vlan); + + if (qlcnic_83xx_pf_check(adapter)) + qlcnic_sriov_cfg_vf_def_mac(adapter, vf, + 0, QLCNIC_MAC_ADD); + return 0; +} + +static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + int err = -EIO; + u16 vlan; + + if (qlcnic_83xx_pf_check(adapter) && qlcnic_sriov_check_any_vlan(vf)) + return err; + + vlan = cmd->req.arg[1] >> 16; + + if (!vf->rx_ctx_id) { + qlcnic_sriov_add_vlan_id(sriov, vf, vlan); + return 0; + } + + if (qlcnic_83xx_pf_check(adapter)) { + err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0, + QLCNIC_MAC_DEL); + if (err) + return err; + } + + err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_ADD); + + if (err) { + if (qlcnic_83xx_pf_check(adapter)) + qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0, + QLCNIC_MAC_ADD); + return err; + } + + qlcnic_sriov_add_vlan_id(sriov, vf, vlan); + return err; +} + +static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran, + struct qlcnic_cmd_args *cmd) +{ + struct qlcnic_vf_info *vf = tran->vf; + struct qlcnic_adapter *adapter = vf->adapter; + struct qlcnic_vport *vp = vf->vp; + int err = -EIO; + u8 op; + + if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) { + cmd->rsp.arg[0] |= 2 << 25; + return err; + } + + op = cmd->req.arg[1] & 0xf; + + if (op) + err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd); + else + err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf, cmd); + + cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25; + return err; +} + +static const int qlcnic_pf_passthru_supp_cmds[] = { + QLCNIC_CMD_GET_STATISTICS, + QLCNIC_CMD_GET_PORT_CONFIG, + QLCNIC_CMD_GET_LINK_STATUS, + QLCNIC_CMD_INIT_NIC_FUNC, + QLCNIC_CMD_STOP_NIC_FUNC, +}; + +static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = { + [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd}, + [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd}, + [QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd}, + [QLCNIC_BC_CMD_CFG_GUEST_VLAN] = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd}, +}; + +static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = { + {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd}, + {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd}, + {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd}, + {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd}, + {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd}, + {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd}, + {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd}, + {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd}, + {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd}, + {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd}, + {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd}, + {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd}, + {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd}, + {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd}, + {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd}, +}; + +void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, + struct qlcnic_cmd_args *cmd) +{ + u8 size, cmd_op; + + cmd_op = trans->req_hdr->cmd_op; + + if (trans->req_hdr->op_type == QLC_BC_CMD) { + size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr); + if (cmd_op < size) { + qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd); + return; + } + } else { + int i; + size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr); + for (i = 0; i < size; i++) { + if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) { + qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd); + return; + } + } + + size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds); + for (i = 0; i < size; i++) { + if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) { + qlcnic_issue_cmd(adapter, cmd); + return; + } + } + } + + cmd->rsp.arg[0] |= (0x9 << 25); +} + +void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= vpid; +} + +void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= vpid << 16; +} + +void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + int vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= vpid << 16; +} + +void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= vpid << 16; +} + +void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= (vpid << 16) | BIT_31; +} + +void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= (vpid << 16) | BIT_31; +} + +void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, + u32 *int_id) +{ + u16 vpid; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, + adapter->ahw->pci_func); + *int_id |= (vpid << 16) | BIT_31; +} + +static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_cmd_args cmd; + int vpid; + + if (!vf->rx_ctx_id) + return; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) + return; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func); + if (vpid >= 0) { + cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16; + if (qlcnic_issue_cmd(adapter, &cmd)) + dev_err(&adapter->pdev->dev, + "Failed to delete Tx ctx in firmware for func 0x%x\n", + vf->pci_func); + else + vf->rx_ctx_id = 0; + } + + qlcnic_free_mbx_args(&cmd); +} + +static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_cmd_args cmd; + int vpid; + + if (!vf->tx_ctx_id) + return; + + if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) + return; + + vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func); + if (vpid >= 0) { + cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16; + if (qlcnic_issue_cmd(adapter, &cmd)) + dev_err(&adapter->pdev->dev, + "Failed to delete Tx ctx in firmware for func 0x%x\n", + vf->pci_func); + else + vf->tx_ctx_id = 0; + } + + qlcnic_free_mbx_args(&cmd); +} + +static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + struct qlcnic_bc_trans *trans) +{ + struct qlcnic_trans_list *t_list = &vf->rcv_act; + unsigned long flag; + + spin_lock_irqsave(&t_list->lock, flag); + + __qlcnic_sriov_add_act_list(sriov, vf, trans); + + spin_unlock_irqrestore(&t_list->lock, flag); + return 0; +} + +static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf) +{ + struct qlcnic_adapter *adapter = vf->adapter; + + qlcnic_sriov_cleanup_list(&vf->rcv_pend); + cancel_work_sync(&vf->trans_work); + qlcnic_sriov_cleanup_list(&vf->rcv_act); + + if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) { + qlcnic_sriov_del_tx_ctx(adapter, vf); + qlcnic_sriov_del_rx_ctx(adapter, vf); + } + + qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func); + + clear_bit(QLC_BC_VF_FLR, &vf->state); + if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) { + qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf, + vf->flr_trans); + clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state); + vf->flr_trans = NULL; + } +} + +static void qlcnic_sriov_pf_process_flr(struct work_struct *work) +{ + struct qlcnic_vf_info *vf; + + vf = container_of(work, struct qlcnic_vf_info, flr_work); + __qlcnic_sriov_process_flr(vf); + return; +} + +static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf, + work_func_t func) +{ + if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state)) + return; + + INIT_WORK(&vf->flr_work, func); + queue_work(sriov->bc.bc_flr_wq, &vf->flr_work); +} + +static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + + set_bit(QLC_BC_VF_FLR, &vf->state); + clear_bit(QLC_BC_VF_STATE, &vf->state); + set_bit(QLC_BC_VF_SOFT_FLR, &vf->state); + vf->flr_trans = trans; + qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr); + netdev_info(adapter->netdev, "Software FLR for PCI func %d\n", + vf->pci_func); +} + +bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter, + struct qlcnic_bc_trans *trans, + struct qlcnic_vf_info *vf) +{ + struct qlcnic_bc_hdr *hdr = trans->req_hdr; + + if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && + (hdr->op_type == QLC_BC_CMD) && + test_bit(QLC_BC_VF_STATE, &vf->state)) { + qlcnic_sriov_handle_soft_flr(adapter, trans, vf); + return true; + } + + return false; +} + +void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, + struct qlcnic_vf_info *vf) +{ + struct net_device *dev = vf->adapter->netdev; + struct qlcnic_vport *vp = vf->vp; + + if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) { + clear_bit(QLC_BC_VF_FLR, &vf->state); + return; + } + + if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) { + netdev_info(dev, "FLR for PCI func %d in progress\n", + vf->pci_func); + return; + } + + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) + memset(vf->sriov_vlans, 0, + sizeof(*vf->sriov_vlans) * sriov->num_allowed_vlans); + + qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr); + netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func); +} + +void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + struct qlcnic_sriov *sriov = ahw->sriov; + struct qlcnic_vf_info *vf; + u16 num_vfs = sriov->num_vfs; + int i; + + for (i = 0; i < num_vfs; i++) { + vf = &sriov->vf_info[i]; + vf->rx_ctx_id = 0; + vf->tx_ctx_id = 0; + cancel_work_sync(&vf->flr_work); + __qlcnic_sriov_process_flr(vf); + clear_bit(QLC_BC_VF_STATE, &vf->state); + } + + qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func); + QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8); +} + +int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err; + + if (!qlcnic_sriov_enable_check(adapter)) + return 0; + + ahw->op_mode = QLCNIC_SRIOV_PF_FUNC; + + err = qlcnic_sriov_pf_init(adapter); + if (err) + return err; + + dev_info(&adapter->pdev->dev, "%s: op_mode %d\n", + __func__, ahw->op_mode); + return err; +} + +int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + int i, num_vfs; + struct qlcnic_vf_info *vf_info; + u8 *curr_mac; + + if (!qlcnic_sriov_pf_check(adapter)) + return -EOPNOTSUPP; + + num_vfs = sriov->num_vfs; + + if (!is_valid_ether_addr(mac) || vf >= num_vfs) + return -EINVAL; + + if (ether_addr_equal(adapter->mac_addr, mac)) { + netdev_err(netdev, "MAC address is already in use by the PF\n"); + return -EINVAL; + } + + for (i = 0; i < num_vfs; i++) { + vf_info = &sriov->vf_info[i]; + if (ether_addr_equal(vf_info->vp->mac, mac)) { + netdev_err(netdev, + "MAC address is already in use by VF %d\n", + i); + return -EINVAL; + } + } + + vf_info = &sriov->vf_info[vf]; + curr_mac = vf_info->vp->mac; + + if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { + netdev_err(netdev, + "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n", + vf); + return -EOPNOTSUPP; + } + + memcpy(curr_mac, mac, netdev->addr_len); + netdev_info(netdev, "MAC Address %pM is configured for VF %d\n", + mac, vf); + return 0; +} + +int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf, + int min_tx_rate, int max_tx_rate) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf_info; + struct qlcnic_info nic_info; + struct qlcnic_vport *vp; + u16 vpid; + + if (!qlcnic_sriov_pf_check(adapter)) + return -EOPNOTSUPP; + + if (vf >= sriov->num_vfs) + return -EINVAL; + + vf_info = &sriov->vf_info[vf]; + vp = vf_info->vp; + vpid = vp->handle; + + if (!min_tx_rate) + min_tx_rate = QLC_VF_MIN_TX_RATE; + + if (max_tx_rate && + (max_tx_rate >= 10000 || max_tx_rate < min_tx_rate)) { + netdev_err(netdev, + "Invalid max Tx rate, allowed range is [%d - %d]", + min_tx_rate, QLC_VF_MAX_TX_RATE); + return -EINVAL; + } + + if (!max_tx_rate) + max_tx_rate = 10000; + + if (min_tx_rate && + (min_tx_rate > max_tx_rate || min_tx_rate < QLC_VF_MIN_TX_RATE)) { + netdev_err(netdev, + "Invalid min Tx rate, allowed range is [%d - %d]", + QLC_VF_MIN_TX_RATE, max_tx_rate); + return -EINVAL; + } + + if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { + if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid)) + return -EIO; + + nic_info.max_tx_bw = max_tx_rate / 100; + nic_info.min_tx_bw = min_tx_rate / 100; + nic_info.bit_offsets = BIT_0; + + if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid)) + return -EIO; + } + + vp->max_tx_bw = max_tx_rate / 100; + netdev_info(netdev, + "Setting Max Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n", + max_tx_rate, vp->max_tx_bw, vf); + vp->min_tx_bw = min_tx_rate / 100; + netdev_info(netdev, + "Setting Min Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n", + min_tx_rate, vp->min_tx_bw, vf); + return 0; +} + +int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, + u16 vlan, u8 qos, __be16 vlan_proto) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf_info; + struct qlcnic_vport *vp; + + if (!qlcnic_sriov_pf_check(adapter)) + return -EOPNOTSUPP; + + if (vf >= sriov->num_vfs || qos > 7) + return -EINVAL; + + if (vlan_proto != htons(ETH_P_8021Q)) + return -EPROTONOSUPPORT; + + if (vlan > MAX_VLAN_ID) { + netdev_err(netdev, + "Invalid VLAN ID, allowed range is [0 - %d]\n", + MAX_VLAN_ID); + return -EINVAL; + } + + vf_info = &sriov->vf_info[vf]; + vp = vf_info->vp; + if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { + netdev_err(netdev, + "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n", + vf); + return -EOPNOTSUPP; + } + + memset(vf_info->sriov_vlans, 0, + sizeof(*vf_info->sriov_vlans) * sriov->num_allowed_vlans); + + switch (vlan) { + case 4095: + vp->vlan_mode = QLC_GUEST_VLAN_MODE; + break; + case 0: + vp->vlan_mode = QLC_NO_VLAN_MODE; + vp->qos = 0; + break; + default: + vp->vlan_mode = QLC_PVID_MODE; + qlcnic_sriov_add_vlan_id(sriov, vf_info, vlan); + vp->qos = qos; + vp->pvid = vlan; + } + + netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n", + vlan, qos, vf); + return 0; +} + +static __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vport *vp, int vf) +{ + __u32 vlan = 0; + + switch (vp->vlan_mode) { + case QLC_PVID_MODE: + vlan = vp->pvid; + break; + case QLC_GUEST_VLAN_MODE: + vlan = MAX_VLAN_ID; + break; + case QLC_NO_VLAN_MODE: + vlan = 0; + break; + default: + netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n", + vp->vlan_mode, vf); + } + + return vlan; +} + +int qlcnic_sriov_get_vf_config(struct net_device *netdev, + int vf, struct ifla_vf_info *ivi) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vport *vp; + + if (!qlcnic_sriov_pf_check(adapter)) + return -EOPNOTSUPP; + + if (vf >= sriov->num_vfs) + return -EINVAL; + + vp = sriov->vf_info[vf].vp; + memcpy(&ivi->mac, vp->mac, ETH_ALEN); + ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf); + ivi->qos = vp->qos; + ivi->spoofchk = vp->spoofchk; + if (vp->max_tx_bw == MAX_BW) + ivi->max_tx_rate = 0; + else + ivi->max_tx_rate = vp->max_tx_bw * 100; + if (vp->min_tx_bw == MIN_BW) + ivi->min_tx_rate = 0; + else + ivi->min_tx_rate = vp->min_tx_bw * 100; + + ivi->vf = vf; + return 0; +} + +int qlcnic_sriov_set_vf_spoofchk(struct net_device *netdev, int vf, bool chk) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + struct qlcnic_sriov *sriov = adapter->ahw->sriov; + struct qlcnic_vf_info *vf_info; + struct qlcnic_vport *vp; + + if (!qlcnic_sriov_pf_check(adapter)) + return -EOPNOTSUPP; + + if (vf >= sriov->num_vfs) + return -EINVAL; + + vf_info = &sriov->vf_info[vf]; + vp = vf_info->vp; + if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) { + netdev_err(netdev, + "Spoof check change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n", + vf); + return -EOPNOTSUPP; + } + + vp->spoofchk = chk; + return 0; +} diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c new file mode 100644 index 000000000..5c2edb715 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -0,0 +1,1431 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic qlcnic NIC Driver + * Copyright (c) 2009-2013 QLogic Corporation + */ + +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/swab.h> +#include <linux/dma-mapping.h> +#include <net/ip.h> +#include <linux/ipv6.h> +#include <linux/inetdevice.h> +#include <linux/sysfs.h> +#include <linux/aer.h> +#include <linux/log2.h> +#ifdef CONFIG_QLCNIC_HWMON +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#endif + +#include "qlcnic.h" +#include "qlcnic_hw.h" + +int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) +{ + return -EOPNOTSUPP; +} + +int qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) +{ + return -EOPNOTSUPP; +} + +static ssize_t qlcnic_store_bridged_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + unsigned long new; + int ret = -EINVAL; + + if (!(adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG)) + goto err_out; + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) + goto err_out; + + if (kstrtoul(buf, 2, &new)) + goto err_out; + + if (!qlcnic_config_bridged_mode(adapter, !!new)) + ret = len; + +err_out: + return ret; +} + +static ssize_t qlcnic_show_bridged_mode(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int bridged_mode = 0; + + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG) + bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); + + return sprintf(buf, "%d\n", bridged_mode); +} + +static ssize_t qlcnic_store_diag_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + unsigned long new; + + if (kstrtoul(buf, 2, &new)) + return -EINVAL; + + if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) + adapter->flags ^= QLCNIC_DIAG_ENABLED; + + return len; +} + +static ssize_t qlcnic_show_diag_mode(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", !!(adapter->flags & QLCNIC_DIAG_ENABLED)); +} + +static int qlcnic_validate_beacon(struct qlcnic_adapter *adapter, u16 beacon, + u8 *state, u8 *rate) +{ + *rate = LSB(beacon); + *state = MSB(beacon); + + QLCDB(adapter, DRV, "rate %x state %x\n", *rate, *state); + + if (!*state) { + *rate = __QLCNIC_MAX_LED_RATE; + return 0; + } else if (*state > __QLCNIC_MAX_LED_STATE) { + return -EINVAL; + } + + if ((!*rate) || (*rate > __QLCNIC_MAX_LED_RATE)) + return -EINVAL; + + return 0; +} + +static int qlcnic_83xx_store_beacon(struct qlcnic_adapter *adapter, + const char *buf, size_t len) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + unsigned long h_beacon; + int err; + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EIO; + + if (kstrtoul(buf, 2, &h_beacon)) + return -EINVAL; + + qlcnic_get_beacon_state(adapter); + + if (ahw->beacon_state == h_beacon) + return len; + + rtnl_lock(); + if (!ahw->beacon_state) { + if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) { + rtnl_unlock(); + return -EBUSY; + } + } + + if (h_beacon) + err = qlcnic_83xx_config_led(adapter, 1, h_beacon); + else + err = qlcnic_83xx_config_led(adapter, 0, !h_beacon); + if (!err) + ahw->beacon_state = h_beacon; + + if (!ahw->beacon_state) + clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); + + rtnl_unlock(); + return len; +} + +static int qlcnic_82xx_store_beacon(struct qlcnic_adapter *adapter, + const char *buf, size_t len) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int err, drv_sds_rings = adapter->drv_sds_rings; + u16 beacon; + u8 b_state, b_rate; + + if (len != sizeof(u16)) + return -EINVAL; + + memcpy(&beacon, buf, sizeof(u16)); + err = qlcnic_validate_beacon(adapter, beacon, &b_state, &b_rate); + if (err) + return err; + + qlcnic_get_beacon_state(adapter); + + if (ahw->beacon_state == b_state) + return len; + + rtnl_lock(); + if (!ahw->beacon_state) { + if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) { + rtnl_unlock(); + return -EBUSY; + } + } + + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + err = -EIO; + goto out; + } + + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + err = qlcnic_diag_alloc_res(adapter->netdev, QLCNIC_LED_TEST); + if (err) + goto out; + set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state); + } + + err = qlcnic_config_led(adapter, b_state, b_rate); + if (!err) { + err = len; + ahw->beacon_state = b_state; + } + + if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state)) + qlcnic_diag_free_res(adapter->netdev, drv_sds_rings); + +out: + if (!ahw->beacon_state) + clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); + rtnl_unlock(); + + return err; +} + +static ssize_t qlcnic_store_beacon(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int err = 0; + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { + dev_warn(dev, + "LED test not supported in non privileged mode\n"); + return -EOPNOTSUPP; + } + + if (qlcnic_82xx_check(adapter)) + err = qlcnic_82xx_store_beacon(adapter, buf, len); + else if (qlcnic_83xx_check(adapter)) + err = qlcnic_83xx_store_beacon(adapter, buf, len); + else + return -EIO; + + return err; +} + +static ssize_t qlcnic_show_beacon(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", adapter->ahw->beacon_state); +} + +static int qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, + loff_t offset, size_t size) +{ + size_t crb_size = 4; + + if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) + return -EIO; + + if (offset < QLCNIC_PCI_CRBSPACE) { + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, + QLCNIC_PCI_CAMQM_END)) + crb_size = 8; + else + return -EINVAL; + } + + if ((size != crb_size) || (offset & (crb_size-1))) + return -EINVAL; + + return 0; +} + +static ssize_t qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + ret = qlcnic_sysfs_validate_crb(adapter, offset, size); + if (ret != 0) + return ret; + qlcnic_read_crb(adapter, buf, offset, size); + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + + return size; +} + +static ssize_t qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + ret = qlcnic_sysfs_validate_crb(adapter, offset, size); + if (ret != 0) + return ret; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + qlcnic_write_crb(adapter, buf, offset, size); + return size; +} + +static int qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, + loff_t offset, size_t size) +{ + if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) + return -EIO; + + if ((size != 8) || (offset & 0x7)) + return -EIO; + + return 0; +} + +static ssize_t qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + u64 data; + int ret; + + ret = qlcnic_sysfs_validate_mem(adapter, offset, size); + if (ret != 0) + return ret; + + if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) + return -EIO; + + memcpy(buf, &data, size); + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + + return size; +} + +static ssize_t qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + u64 data; + int ret; + + ret = qlcnic_sysfs_validate_mem(adapter, offset, size); + if (ret != 0) + return ret; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + memcpy(&data, buf, size); + + if (qlcnic_pci_mem_write_2M(adapter, offset, data)) + return -EIO; + + return size; +} + +int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func) +{ + int i; + + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + if (adapter->npars[i].pci_func == pci_func) + return i; + } + + dev_err(&adapter->pdev->dev, "%s: Invalid nic function\n", __func__); + return -EINVAL; +} + +static int validate_pm_config(struct qlcnic_adapter *adapter, + struct qlcnic_pm_func_cfg *pm_cfg, int count) +{ + u8 src_pci_func, s_esw_id, d_esw_id; + u8 dest_pci_func; + int i, src_index, dest_index; + + for (i = 0; i < count; i++) { + src_pci_func = pm_cfg[i].pci_func; + dest_pci_func = pm_cfg[i].dest_npar; + src_index = qlcnic_is_valid_nic_func(adapter, src_pci_func); + if (src_index < 0) + return -EINVAL; + + dest_index = qlcnic_is_valid_nic_func(adapter, dest_pci_func); + if (dest_index < 0) + return -EINVAL; + + s_esw_id = adapter->npars[src_index].phy_port; + d_esw_id = adapter->npars[dest_index].phy_port; + + if (s_esw_id != d_esw_id) + return -EINVAL; + } + + return 0; +} + +static ssize_t qlcnic_sysfs_write_pm_config(struct file *filp, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_pm_func_cfg *pm_cfg; + u32 id, action, pci_func; + int count, rem, i, ret, index; + + count = size / sizeof(struct qlcnic_pm_func_cfg); + rem = size % sizeof(struct qlcnic_pm_func_cfg); + if (rem) + return -EINVAL; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + pm_cfg = (struct qlcnic_pm_func_cfg *)buf; + ret = validate_pm_config(adapter, pm_cfg, count); + + if (ret) + return ret; + for (i = 0; i < count; i++) { + pci_func = pm_cfg[i].pci_func; + action = !!pm_cfg[i].action; + index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return -EINVAL; + + id = adapter->npars[index].phy_port; + ret = qlcnic_config_port_mirroring(adapter, id, + action, pci_func); + if (ret) + return ret; + } + + for (i = 0; i < count; i++) { + pci_func = pm_cfg[i].pci_func; + index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return -EINVAL; + id = adapter->npars[index].phy_port; + adapter->npars[index].enable_pm = !!pm_cfg[i].action; + adapter->npars[index].dest_npar = id; + } + + return size; +} + +static ssize_t qlcnic_sysfs_read_pm_config(struct file *filp, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_pm_func_cfg *pm_cfg; + u8 pci_func; + u32 count; + int i; + + memset(buf, 0, size); + pm_cfg = (struct qlcnic_pm_func_cfg *)buf; + count = size / sizeof(struct qlcnic_pm_func_cfg); + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + pci_func = adapter->npars[i].pci_func; + if (pci_func >= count) { + dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n", + __func__, adapter->ahw->total_nic_func, count); + continue; + } + if (!adapter->npars[i].eswitch_status) + continue; + + pm_cfg[pci_func].action = adapter->npars[i].enable_pm; + pm_cfg[pci_func].dest_npar = 0; + pm_cfg[pci_func].pci_func = i; + } + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + return size; +} + +static int validate_esw_config(struct qlcnic_adapter *adapter, + struct qlcnic_esw_func_cfg *esw_cfg, int count) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + int i, ret; + u32 op_mode; + u8 pci_func; + + if (qlcnic_82xx_check(adapter)) + op_mode = readl(ahw->pci_base0 + QLCNIC_DRV_OP_MODE); + else + op_mode = QLCRDX(ahw, QLC_83XX_DRV_OP_MODE); + + for (i = 0; i < count; i++) { + pci_func = esw_cfg[i].pci_func; + if (pci_func >= ahw->max_vnic_func) + return -EINVAL; + + if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) + if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0) + return -EINVAL; + + switch (esw_cfg[i].op_mode) { + case QLCNIC_PORT_DEFAULTS: + if (qlcnic_82xx_check(adapter)) { + ret = QLC_DEV_GET_DRV(op_mode, pci_func); + } else { + ret = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, + pci_func); + esw_cfg[i].offload_flags = 0; + } + + if (ret != QLCNIC_NON_PRIV_FUNC) { + if (esw_cfg[i].mac_anti_spoof != 0) + return -EINVAL; + if (esw_cfg[i].mac_override != 1) + return -EINVAL; + if (esw_cfg[i].promisc_mode != 1) + return -EINVAL; + } + break; + case QLCNIC_ADD_VLAN: + if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) + return -EINVAL; + if (!esw_cfg[i].op_type) + return -EINVAL; + break; + case QLCNIC_DEL_VLAN: + if (!esw_cfg[i].op_type) + return -EINVAL; + break; + default: + return -EINVAL; + } + } + + return 0; +} + +static ssize_t qlcnic_sysfs_write_esw_config(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_func_cfg *esw_cfg; + struct qlcnic_npar_info *npar; + int count, rem, i, ret; + int index; + u8 op_mode = 0, pci_func; + + count = size / sizeof(struct qlcnic_esw_func_cfg); + rem = size % sizeof(struct qlcnic_esw_func_cfg); + if (rem) + return -EINVAL; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + esw_cfg = (struct qlcnic_esw_func_cfg *)buf; + ret = validate_esw_config(adapter, esw_cfg, count); + if (ret) + return ret; + + for (i = 0; i < count; i++) { + if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) + if (qlcnic_config_switch_port(adapter, &esw_cfg[i])) + return -EINVAL; + + if (adapter->ahw->pci_func != esw_cfg[i].pci_func) + continue; + + op_mode = esw_cfg[i].op_mode; + qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]); + esw_cfg[i].op_mode = op_mode; + esw_cfg[i].pci_func = adapter->ahw->pci_func; + + switch (esw_cfg[i].op_mode) { + case QLCNIC_PORT_DEFAULTS: + qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]); + rtnl_lock(); + qlcnic_set_netdev_features(adapter, &esw_cfg[i]); + rtnl_unlock(); + break; + case QLCNIC_ADD_VLAN: + qlcnic_set_vlan_config(adapter, &esw_cfg[i]); + break; + case QLCNIC_DEL_VLAN: + esw_cfg[i].vlan_id = 0; + qlcnic_set_vlan_config(adapter, &esw_cfg[i]); + break; + } + } + + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + goto out; + + for (i = 0; i < count; i++) { + pci_func = esw_cfg[i].pci_func; + index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return -EINVAL; + npar = &adapter->npars[index]; + switch (esw_cfg[i].op_mode) { + case QLCNIC_PORT_DEFAULTS: + npar->promisc_mode = esw_cfg[i].promisc_mode; + npar->mac_override = esw_cfg[i].mac_override; + npar->offload_flags = esw_cfg[i].offload_flags; + npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof; + npar->discard_tagged = esw_cfg[i].discard_tagged; + break; + case QLCNIC_ADD_VLAN: + npar->pvid = esw_cfg[i].vlan_id; + break; + case QLCNIC_DEL_VLAN: + npar->pvid = 0; + break; + } + } +out: + return size; +} + +static ssize_t qlcnic_sysfs_read_esw_config(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_func_cfg *esw_cfg; + u8 pci_func; + u32 count; + int i; + + memset(buf, 0, size); + esw_cfg = (struct qlcnic_esw_func_cfg *)buf; + count = size / sizeof(struct qlcnic_esw_func_cfg); + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + pci_func = adapter->npars[i].pci_func; + if (pci_func >= count) { + dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n", + __func__, adapter->ahw->total_nic_func, count); + continue; + } + if (!adapter->npars[i].eswitch_status) + continue; + + esw_cfg[pci_func].pci_func = pci_func; + if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[pci_func])) + return -EINVAL; + } + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + return size; +} + +static int validate_npar_config(struct qlcnic_adapter *adapter, + struct qlcnic_npar_func_cfg *np_cfg, + int count) +{ + u8 pci_func, i; + + for (i = 0; i < count; i++) { + pci_func = np_cfg[i].pci_func; + if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0) + return -EINVAL; + + if (!IS_VALID_BW(np_cfg[i].min_bw) || + !IS_VALID_BW(np_cfg[i].max_bw)) + return -EINVAL; + } + return 0; +} + +static ssize_t qlcnic_sysfs_write_npar_config(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_info nic_info; + struct qlcnic_npar_func_cfg *np_cfg; + int i, count, rem, ret, index; + u8 pci_func; + + count = size / sizeof(struct qlcnic_npar_func_cfg); + rem = size % sizeof(struct qlcnic_npar_func_cfg); + if (rem) + return -EINVAL; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + np_cfg = (struct qlcnic_npar_func_cfg *)buf; + ret = validate_npar_config(adapter, np_cfg, count); + if (ret) + return ret; + + for (i = 0; i < count; i++) { + pci_func = np_cfg[i].pci_func; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); + if (ret) + return ret; + nic_info.pci_func = pci_func; + nic_info.min_tx_bw = np_cfg[i].min_bw; + nic_info.max_tx_bw = np_cfg[i].max_bw; + ret = qlcnic_set_nic_info(adapter, &nic_info); + if (ret) + return ret; + index = qlcnic_is_valid_nic_func(adapter, pci_func); + if (index < 0) + return -EINVAL; + adapter->npars[index].min_bw = nic_info.min_tx_bw; + adapter->npars[index].max_bw = nic_info.max_tx_bw; + } + + return size; +} + +static ssize_t qlcnic_sysfs_read_npar_config(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_npar_func_cfg *np_cfg; + struct qlcnic_info nic_info; + u8 pci_func; + int i, ret; + u32 count; + + memset(&nic_info, 0, sizeof(struct qlcnic_info)); + memset(buf, 0, size); + np_cfg = (struct qlcnic_npar_func_cfg *)buf; + + count = size / sizeof(struct qlcnic_npar_func_cfg); + for (i = 0; i < adapter->ahw->total_nic_func; i++) { + if (adapter->npars[i].pci_func >= count) { + dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n", + __func__, adapter->ahw->total_nic_func, count); + continue; + } + if (!adapter->npars[i].eswitch_status) + continue; + pci_func = adapter->npars[i].pci_func; + if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0) + continue; + ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); + if (ret) + return ret; + + np_cfg[pci_func].pci_func = pci_func; + np_cfg[pci_func].op_mode = (u8)nic_info.op_mode; + np_cfg[pci_func].port_num = nic_info.phys_port; + np_cfg[pci_func].fw_capab = nic_info.capabilities; + np_cfg[pci_func].min_bw = nic_info.min_tx_bw; + np_cfg[pci_func].max_bw = nic_info.max_tx_bw; + np_cfg[pci_func].max_tx_queues = nic_info.max_tx_ques; + np_cfg[pci_func].max_rx_queues = nic_info.max_rx_ques; + } + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + return size; +} + +static ssize_t qlcnic_sysfs_get_port_stats(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_statistics port_stats; + int ret; + + if (qlcnic_83xx_check(adapter)) + return -EOPNOTSUPP; + + if (size != sizeof(struct qlcnic_esw_statistics)) + return -EINVAL; + + if (offset >= adapter->ahw->max_vnic_func) + return -EINVAL; + + memset(&port_stats, 0, size); + ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, + &port_stats.rx); + if (ret) + return ret; + + ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, + &port_stats.tx); + if (ret) + return ret; + + memcpy(buf, &port_stats, size); + return size; +} + +static ssize_t qlcnic_sysfs_get_esw_stats(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_esw_statistics esw_stats; + int ret; + + if (qlcnic_83xx_check(adapter)) + return -EOPNOTSUPP; + + if (size != sizeof(struct qlcnic_esw_statistics)) + return -EINVAL; + + if (offset >= QLCNIC_NIU_MAX_XG_PORTS) + return -EINVAL; + + memset(&esw_stats, 0, size); + ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, + &esw_stats.rx); + if (ret) + return ret; + + ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, + &esw_stats.tx); + if (ret) + return ret; + + memcpy(buf, &esw_stats, size); + return size; +} + +static ssize_t qlcnic_sysfs_clear_esw_stats(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + if (qlcnic_83xx_check(adapter)) + return -EOPNOTSUPP; + + if (offset >= QLCNIC_NIU_MAX_XG_PORTS) + return -EINVAL; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, + QLCNIC_QUERY_RX_COUNTER); + if (ret) + return ret; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, + QLCNIC_QUERY_TX_COUNTER); + if (ret) + return ret; + + return size; +} + +static ssize_t qlcnic_sysfs_clear_port_stats(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + int ret; + + if (qlcnic_83xx_check(adapter)) + return -EOPNOTSUPP; + + if (offset >= adapter->ahw->max_vnic_func) + return -EINVAL; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, + QLCNIC_QUERY_RX_COUNTER); + if (ret) + return ret; + + ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, + QLCNIC_QUERY_TX_COUNTER); + if (ret) + return ret; + + return size; +} + +static ssize_t qlcnic_sysfs_read_pci_config(struct file *file, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + struct qlcnic_pci_func_cfg *pci_cfg; + struct qlcnic_pci_info *pci_info; + int i, ret; + u32 count; + + pci_info = kcalloc(size, sizeof(*pci_info), GFP_KERNEL); + if (!pci_info) + return -ENOMEM; + + ret = qlcnic_get_pci_info(adapter, pci_info); + if (ret) { + kfree(pci_info); + return ret; + } + + pci_cfg = (struct qlcnic_pci_func_cfg *)buf; + count = size / sizeof(struct qlcnic_pci_func_cfg); + qlcnic_swap32_buffer((u32 *)pci_info, size / sizeof(u32)); + for (i = 0; i < count; i++) { + pci_cfg[i].pci_func = pci_info[i].id; + pci_cfg[i].func_type = pci_info[i].type; + pci_cfg[i].func_state = 0; + pci_cfg[i].port_num = pci_info[i].default_port; + pci_cfg[i].min_bw = pci_info[i].tx_min_bw; + pci_cfg[i].max_bw = pci_info[i].tx_max_bw; + memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); + } + + kfree(pci_info); + return size; +} + +static ssize_t qlcnic_83xx_sysfs_flash_read_handler(struct file *filp, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + unsigned char *p_read_buf; + int ret, count; + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + + if (!size) + return -EINVAL; + + count = size / sizeof(u32); + + if (size % sizeof(u32)) + count++; + + p_read_buf = kcalloc(size, sizeof(unsigned char), GFP_KERNEL); + if (!p_read_buf) + return -ENOMEM; + if (qlcnic_83xx_lock_flash(adapter) != 0) { + kfree(p_read_buf); + return -EIO; + } + + ret = qlcnic_83xx_lockless_flash_read32(adapter, offset, p_read_buf, + count); + + if (ret) { + qlcnic_83xx_unlock_flash(adapter); + kfree(p_read_buf); + return ret; + } + + qlcnic_83xx_unlock_flash(adapter); + qlcnic_swap32_buffer((u32 *)p_read_buf, count); + memcpy(buf, p_read_buf, size); + kfree(p_read_buf); + + return size; +} + +static int qlcnic_83xx_sysfs_flash_bulk_write(struct qlcnic_adapter *adapter, + char *buf, loff_t offset, + size_t size) +{ + int i, ret, count; + unsigned char *p_cache, *p_src; + + p_cache = kcalloc(size, sizeof(unsigned char), GFP_KERNEL); + if (!p_cache) + return -ENOMEM; + + count = size / sizeof(u32); + qlcnic_swap32_buffer((u32 *)buf, count); + memcpy(p_cache, buf, size); + p_src = p_cache; + + if (qlcnic_83xx_lock_flash(adapter) != 0) { + kfree(p_cache); + return -EIO; + } + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_enable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + + for (i = 0; i < count / QLC_83XX_FLASH_WRITE_MAX; i++) { + ret = qlcnic_83xx_flash_bulk_write(adapter, offset, + (u32 *)p_src, + QLC_83XX_FLASH_WRITE_MAX); + + if (ret) { + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_disable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + + p_src = p_src + sizeof(u32)*QLC_83XX_FLASH_WRITE_MAX; + offset = offset + sizeof(u32)*QLC_83XX_FLASH_WRITE_MAX; + } + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_disable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + + return 0; +} + +static int qlcnic_83xx_sysfs_flash_write(struct qlcnic_adapter *adapter, + char *buf, loff_t offset, size_t size) +{ + int i, ret, count; + unsigned char *p_cache, *p_src; + + p_cache = kcalloc(size, sizeof(unsigned char), GFP_KERNEL); + if (!p_cache) + return -ENOMEM; + + qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32)); + memcpy(p_cache, buf, size); + p_src = p_cache; + count = size / sizeof(u32); + + if (qlcnic_83xx_lock_flash(adapter) != 0) { + kfree(p_cache); + return -EIO; + } + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_enable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + + for (i = 0; i < count; i++) { + ret = qlcnic_83xx_flash_write32(adapter, offset, (u32 *)p_src); + if (ret) { + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_disable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + + p_src = p_src + sizeof(u32); + offset = offset + sizeof(u32); + } + + if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { + ret = qlcnic_83xx_disable_flash_write(adapter); + if (ret) { + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + return -EIO; + } + } + + kfree(p_cache); + qlcnic_83xx_unlock_flash(adapter); + + return 0; +} + +static ssize_t qlcnic_83xx_sysfs_flash_write_handler(struct file *filp, + struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t offset, + size_t size) +{ + int ret; + static int flash_mode; + unsigned long data; + struct device *dev = kobj_to_dev(kobj); + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + + ret = kstrtoul(buf, 16, &data); + if (ret) + return ret; + + switch (data) { + case QLC_83XX_FLASH_SECTOR_ERASE_CMD: + flash_mode = QLC_83XX_ERASE_MODE; + ret = qlcnic_83xx_erase_flash_sector(adapter, offset); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s failed at %d\n", __func__, __LINE__); + return -EIO; + } + break; + + case QLC_83XX_FLASH_BULK_WRITE_CMD: + flash_mode = QLC_83XX_BULK_WRITE_MODE; + break; + + case QLC_83XX_FLASH_WRITE_CMD: + flash_mode = QLC_83XX_WRITE_MODE; + break; + default: + if (flash_mode == QLC_83XX_BULK_WRITE_MODE) { + ret = qlcnic_83xx_sysfs_flash_bulk_write(adapter, buf, + offset, size); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s failed at %d\n", + __func__, __LINE__); + return -EIO; + } + } + + if (flash_mode == QLC_83XX_WRITE_MODE) { + ret = qlcnic_83xx_sysfs_flash_write(adapter, buf, + offset, size); + if (ret) { + dev_err(&adapter->pdev->dev, + "%s failed at %d\n", __func__, + __LINE__); + return -EIO; + } + } + } + + return size; +} + +static const struct device_attribute dev_attr_bridged_mode = { + .attr = { .name = "bridged_mode", .mode = 0644 }, + .show = qlcnic_show_bridged_mode, + .store = qlcnic_store_bridged_mode, +}; + +static const struct device_attribute dev_attr_diag_mode = { + .attr = { .name = "diag_mode", .mode = 0644 }, + .show = qlcnic_show_diag_mode, + .store = qlcnic_store_diag_mode, +}; + +static const struct device_attribute dev_attr_beacon = { + .attr = { .name = "beacon", .mode = 0644 }, + .show = qlcnic_show_beacon, + .store = qlcnic_store_beacon, +}; + +static const struct bin_attribute bin_attr_crb = { + .attr = { .name = "crb", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_crb, + .write = qlcnic_sysfs_write_crb, +}; + +static const struct bin_attribute bin_attr_mem = { + .attr = { .name = "mem", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_mem, + .write = qlcnic_sysfs_write_mem, +}; + +static const struct bin_attribute bin_attr_npar_config = { + .attr = { .name = "npar_config", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_npar_config, + .write = qlcnic_sysfs_write_npar_config, +}; + +static const struct bin_attribute bin_attr_pci_config = { + .attr = { .name = "pci_config", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_pci_config, + .write = NULL, +}; + +static const struct bin_attribute bin_attr_port_stats = { + .attr = { .name = "port_stats", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_get_port_stats, + .write = qlcnic_sysfs_clear_port_stats, +}; + +static const struct bin_attribute bin_attr_esw_stats = { + .attr = { .name = "esw_stats", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_get_esw_stats, + .write = qlcnic_sysfs_clear_esw_stats, +}; + +static const struct bin_attribute bin_attr_esw_config = { + .attr = { .name = "esw_config", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_esw_config, + .write = qlcnic_sysfs_write_esw_config, +}; + +static const struct bin_attribute bin_attr_pm_config = { + .attr = { .name = "pm_config", .mode = 0644 }, + .size = 0, + .read = qlcnic_sysfs_read_pm_config, + .write = qlcnic_sysfs_write_pm_config, +}; + +static const struct bin_attribute bin_attr_flash = { + .attr = { .name = "flash", .mode = 0644 }, + .size = 0, + .read = qlcnic_83xx_sysfs_flash_read_handler, + .write = qlcnic_83xx_sysfs_flash_write_handler, +}; + +#ifdef CONFIG_QLCNIC_HWMON + +static ssize_t qlcnic_hwmon_show_temp(struct device *dev, + struct device_attribute *dev_attr, + char *buf) +{ + struct qlcnic_adapter *adapter = dev_get_drvdata(dev); + unsigned int temperature = 0, value = 0; + + if (qlcnic_83xx_check(adapter)) + value = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); + else if (qlcnic_82xx_check(adapter)) + value = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); + + temperature = qlcnic_get_temp_val(value); + /* display millidegree celcius */ + temperature *= 1000; + return sprintf(buf, "%u\n", temperature); +} + +/* hwmon-sysfs attributes */ +static SENSOR_DEVICE_ATTR(temp1_input, 0444, + qlcnic_hwmon_show_temp, NULL, 1); + +static struct attribute *qlcnic_hwmon_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL +}; + +ATTRIBUTE_GROUPS(qlcnic_hwmon); + +void qlcnic_register_hwmon_dev(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + struct device *hwmon_dev; + + /* Skip hwmon registration for a VF device */ + if (qlcnic_sriov_vf_check(adapter)) { + adapter->ahw->hwmon_dev = NULL; + return; + } + hwmon_dev = hwmon_device_register_with_groups(dev, qlcnic_driver_name, + adapter, + qlcnic_hwmon_groups); + if (IS_ERR(hwmon_dev)) { + dev_err(dev, "Cannot register with hwmon, err=%ld\n", + PTR_ERR(hwmon_dev)); + hwmon_dev = NULL; + } + adapter->ahw->hwmon_dev = hwmon_dev; +} + +void qlcnic_unregister_hwmon_dev(struct qlcnic_adapter *adapter) +{ + struct device *hwmon_dev = adapter->ahw->hwmon_dev; + if (hwmon_dev) { + hwmon_device_unregister(hwmon_dev); + adapter->ahw->hwmon_dev = NULL; + } +} +#endif + +void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG) + if (device_create_file(dev, &dev_attr_bridged_mode)) + dev_warn(dev, + "failed to create bridged_mode sysfs entry\n"); +} + +void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG) + device_remove_file(dev, &dev_attr_bridged_mode); +} + +static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + if (device_create_bin_file(dev, &bin_attr_port_stats)) + dev_info(dev, "failed to create port stats sysfs entry"); + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) + return; + if (device_create_file(dev, &dev_attr_diag_mode)) + dev_info(dev, "failed to create diag_mode sysfs entry\n"); + if (device_create_bin_file(dev, &bin_attr_crb)) + dev_info(dev, "failed to create crb sysfs entry\n"); + if (device_create_bin_file(dev, &bin_attr_mem)) + dev_info(dev, "failed to create mem sysfs entry\n"); + + if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) + return; + + if (device_create_bin_file(dev, &bin_attr_pci_config)) + dev_info(dev, "failed to create pci config sysfs entry"); + + if (device_create_file(dev, &dev_attr_beacon)) + dev_info(dev, "failed to create beacon sysfs entry"); + + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return; + if (device_create_bin_file(dev, &bin_attr_esw_config)) + dev_info(dev, "failed to create esw config sysfs entry"); + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + return; + if (device_create_bin_file(dev, &bin_attr_npar_config)) + dev_info(dev, "failed to create npar config sysfs entry"); + if (device_create_bin_file(dev, &bin_attr_pm_config)) + dev_info(dev, "failed to create pm config sysfs entry"); + if (device_create_bin_file(dev, &bin_attr_esw_stats)) + dev_info(dev, "failed to create eswitch stats sysfs entry"); +} + +static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + device_remove_bin_file(dev, &bin_attr_port_stats); + + if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) + return; + device_remove_file(dev, &dev_attr_diag_mode); + device_remove_bin_file(dev, &bin_attr_crb); + device_remove_bin_file(dev, &bin_attr_mem); + + if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) + return; + + device_remove_bin_file(dev, &bin_attr_pci_config); + device_remove_file(dev, &dev_attr_beacon); + if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) + return; + device_remove_bin_file(dev, &bin_attr_esw_config); + if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) + return; + device_remove_bin_file(dev, &bin_attr_npar_config); + device_remove_bin_file(dev, &bin_attr_pm_config); + device_remove_bin_file(dev, &bin_attr_esw_stats); +} + +void qlcnic_82xx_add_sysfs(struct qlcnic_adapter *adapter) +{ + qlcnic_create_diag_entries(adapter); +} + +void qlcnic_82xx_remove_sysfs(struct qlcnic_adapter *adapter) +{ + qlcnic_remove_diag_entries(adapter); +} + +void qlcnic_83xx_add_sysfs(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + qlcnic_create_diag_entries(adapter); + + if (sysfs_create_bin_file(&dev->kobj, &bin_attr_flash)) + dev_info(dev, "failed to create flash sysfs entry\n"); +} + +void qlcnic_83xx_remove_sysfs(struct qlcnic_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + + qlcnic_remove_diag_entries(adapter); + sysfs_remove_bin_file(&dev->kobj, &bin_attr_flash); +} |