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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/emulex/benet/be.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be.h')
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 987 |
1 files changed, 987 insertions, 0 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h new file mode 100644 index 000000000..61fe9625b --- /dev/null +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -0,0 +1,987 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2005 - 2016 Broadcom + * All rights reserved. + * + * Contact Information: + * linux-drivers@emulex.com + * + * Emulex + * 3333 Susan Street + * Costa Mesa, CA 92626 + */ + +#ifndef BE_H +#define BE_H + +#include <linux/pci.h> +#include <linux/etherdevice.h> +#include <linux/delay.h> +#include <net/tcp.h> +#include <net/ip.h> +#include <net/ipv6.h> +#include <linux/if_vlan.h> +#include <linux/workqueue.h> +#include <linux/interrupt.h> +#include <linux/firmware.h> +#include <linux/slab.h> +#include <linux/u64_stats_sync.h> +#include <linux/cpumask.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> + +#include "be_hw.h" +#include "be_roce.h" + +#define DRV_NAME "be2net" +#define BE_NAME "Emulex BladeEngine2" +#define BE3_NAME "Emulex BladeEngine3" +#define OC_NAME "Emulex OneConnect" +#define OC_NAME_BE OC_NAME "(be3)" +#define OC_NAME_LANCER OC_NAME "(Lancer)" +#define OC_NAME_SH OC_NAME "(Skyhawk)" +#define DRV_DESC "Emulex OneConnect NIC Driver" + +#define BE_VENDOR_ID 0x19a2 +#define EMULEX_VENDOR_ID 0x10df +#define BE_DEVICE_ID1 0x211 +#define BE_DEVICE_ID2 0x221 +#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ +#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ +#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ +#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ +#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ +#define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ +#define OC_SUBSYS_DEVICE_ID1 0xE602 +#define OC_SUBSYS_DEVICE_ID2 0xE642 +#define OC_SUBSYS_DEVICE_ID3 0xE612 +#define OC_SUBSYS_DEVICE_ID4 0xE652 + +/* Number of bytes of an RX frame that are copied to skb->data */ +#define BE_HDR_LEN ((u16) 64) +/* allocate extra space to allow tunneling decapsulation without head reallocation */ +#define BE_RX_SKB_ALLOC_SIZE 256 + +#define BE_MAX_JUMBO_FRAME_SIZE 9018 +#define BE_MIN_MTU 256 +#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ + (ETH_HLEN + ETH_FCS_LEN)) + +/* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ +#define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) + +#define BE_NUM_VLANS_SUPPORTED 64 +#define BE_MAX_EQD 128u +#define BE_MAX_TX_FRAG_COUNT 30 + +#define EVNT_Q_LEN 1024 +#define TX_Q_LEN 2048 +#define TX_CQ_LEN 1024 +#define RX_Q_LEN 1024 /* Does not support any other value */ +#define RX_CQ_LEN 1024 +#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ +#define MCC_CQ_LEN 256 + +#define BE2_MAX_RSS_QS 4 +#define BE3_MAX_RSS_QS 16 +#define BE3_MAX_TX_QS 16 +#define BE3_MAX_EVT_QS 16 +#define BE3_SRIOV_MAX_EVT_QS 8 +#define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs + * and at least 1 is granted to either + * SURF/DPDK + */ + +#define MAX_PORT_RSS_TABLES 15 +#define MAX_NIC_FUNCS 16 +#define MAX_RX_QS 32 +#define MAX_EVT_QS 32 +#define MAX_TX_QS 32 + +#define MAX_ROCE_EQS 5 +#define MAX_MSIX_VECTORS 32 +#define MIN_MSIX_VECTORS 1 +#define MAX_RX_POST NAPI_POLL_WEIGHT /* Frags posted at a time */ +#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) +#define MAX_NUM_POST_ERX_DB 255u + +#define MAX_VFS 30 /* Max VFs supported by BE3 FW */ +#define FW_VER_LEN 32 +#define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ +#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ + +#define RSS_INDIR_TABLE_LEN 128 +#define RSS_HASH_KEY_LEN 40 + +#define BE_UNKNOWN_PHY_STATE 0xFF + +struct be_dma_mem { + void *va; + dma_addr_t dma; + u32 size; +}; + +struct be_queue_info { + u32 len; + u32 entry_size; /* Size of an element in the queue */ + u32 tail, head; + atomic_t used; /* Number of valid elements in the queue */ + u32 id; + struct be_dma_mem dma_mem; + bool created; +}; + +static inline u32 MODULO(u32 val, u32 limit) +{ + BUG_ON(limit & (limit - 1)); + return val & (limit - 1); +} + +static inline void index_adv(u32 *index, u32 val, u32 limit) +{ + *index = MODULO((*index + val), limit); +} + +static inline void index_inc(u32 *index, u32 limit) +{ + *index = MODULO((*index + 1), limit); +} + +static inline void *queue_head_node(struct be_queue_info *q) +{ + return q->dma_mem.va + q->head * q->entry_size; +} + +static inline void *queue_tail_node(struct be_queue_info *q) +{ + return q->dma_mem.va + q->tail * q->entry_size; +} + +static inline void *queue_index_node(struct be_queue_info *q, u16 index) +{ + return q->dma_mem.va + index * q->entry_size; +} + +static inline void queue_head_inc(struct be_queue_info *q) +{ + index_inc(&q->head, q->len); +} + +static inline void index_dec(u32 *index, u32 limit) +{ + *index = MODULO((*index - 1), limit); +} + +static inline void queue_tail_inc(struct be_queue_info *q) +{ + index_inc(&q->tail, q->len); +} + +struct be_eq_obj { + struct be_queue_info q; + char desc[32]; + + struct be_adapter *adapter; + struct napi_struct napi; + u8 idx; /* array index */ + u8 msix_idx; + u16 spurious_intr; + cpumask_var_t affinity_mask; +} ____cacheline_aligned_in_smp; + +struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ + u32 min_eqd; /* in usecs */ + u32 max_eqd; /* in usecs */ + u32 prev_eqd; /* in usecs */ + u32 et_eqd; /* configured val when aic is off */ + ulong jiffies; + u64 rx_pkts_prev; /* Used to calculate RX pps */ + u64 tx_reqs_prev; /* Used to calculate TX pps */ +}; + +struct be_mcc_obj { + struct be_queue_info q; + struct be_queue_info cq; + bool rearm_cq; +}; + +struct be_tx_stats { + u64 tx_bytes; + u64 tx_pkts; + u64 tx_vxlan_offload_pkts; + u64 tx_reqs; + u64 tx_compl; + u32 tx_stops; + u32 tx_drv_drops; /* pkts dropped by driver */ + /* the error counters are described in be_ethtool.c */ + u32 tx_hdr_parse_err; + u32 tx_dma_err; + u32 tx_tso_err; + u32 tx_spoof_check_err; + u32 tx_qinq_err; + u32 tx_internal_parity_err; + u32 tx_sge_err; + struct u64_stats_sync sync; + struct u64_stats_sync sync_compl; +}; + +/* Structure to hold some data of interest obtained from a TX CQE */ +struct be_tx_compl_info { + u8 status; /* Completion status */ + u16 end_index; /* Completed TXQ Index */ +}; + +struct be_tx_obj { + u32 db_offset; + struct be_tx_compl_info txcp; + struct be_queue_info q; + struct be_queue_info cq; + /* Remember the skbs that were transmitted */ + struct sk_buff *sent_skb_list[TX_Q_LEN]; + struct be_tx_stats stats; + u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ + u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ + u16 last_req_hdr; /* index of the last req's hdr-wrb */ +} ____cacheline_aligned_in_smp; + +/* Struct to remember the pages posted for rx frags */ +struct be_rx_page_info { + struct page *page; + /* set to page-addr for last frag of the page & frag-addr otherwise */ + DEFINE_DMA_UNMAP_ADDR(bus); + u16 page_offset; + bool last_frag; /* last frag of the page */ +}; + +struct be_rx_stats { + u64 rx_bytes; + u64 rx_pkts; + u64 rx_vxlan_offload_pkts; + u32 rx_drops_no_skbs; /* skb allocation errors */ + u32 rx_drops_no_frags; /* HW has no fetched frags */ + u32 rx_post_fail; /* page post alloc failures */ + u32 rx_compl; + u32 rx_mcast_pkts; + u32 rx_compl_err; /* completions with err set */ + struct u64_stats_sync sync; +}; + +struct be_rx_compl_info { + u32 rss_hash; + u16 vlan_tag; + u16 pkt_size; + u16 port; + u8 vlanf; + u8 num_rcvd; + u8 err; + u8 ipf; + u8 tcpf; + u8 udpf; + u8 ip_csum; + u8 l4_csum; + u8 ipv6; + u8 qnq; + u8 pkt_type; + u8 ip_frag; + u8 tunneled; +}; + +struct be_rx_obj { + struct be_adapter *adapter; + struct be_queue_info q; + struct be_queue_info cq; + struct be_rx_compl_info rxcp; + struct be_rx_page_info page_info_tbl[RX_Q_LEN]; + struct be_rx_stats stats; + u8 rss_id; + bool rx_post_starved; /* Zero rx frags have been posted to BE */ +} ____cacheline_aligned_in_smp; + +struct be_drv_stats { + u32 eth_red_drops; + u32 dma_map_errors; + u32 rx_drops_no_pbuf; + u32 rx_drops_no_txpb; + u32 rx_drops_no_erx_descr; + u32 rx_drops_no_tpre_descr; + u32 rx_drops_too_many_frags; + u32 forwarded_packets; + u32 rx_drops_mtu; + u32 rx_crc_errors; + u32 rx_alignment_symbol_errors; + u32 rx_pause_frames; + u32 rx_priority_pause_frames; + u32 rx_control_frames; + u32 rx_in_range_errors; + u32 rx_out_range_errors; + u32 rx_frame_too_long; + u32 rx_address_filtered; + u32 rx_dropped_too_small; + u32 rx_dropped_too_short; + u32 rx_dropped_header_too_small; + u32 rx_dropped_tcp_length; + u32 rx_dropped_runt; + u32 rx_ip_checksum_errs; + u32 rx_tcp_checksum_errs; + u32 rx_udp_checksum_errs; + u32 tx_pauseframes; + u32 tx_priority_pauseframes; + u32 tx_controlframes; + u32 rxpp_fifo_overflow_drop; + u32 rx_input_fifo_overflow_drop; + u32 pmem_fifo_overflow_drop; + u32 jabber_events; + u32 rx_roce_bytes_lsd; + u32 rx_roce_bytes_msd; + u32 rx_roce_frames; + u32 roce_drops_payload_len; + u32 roce_drops_crc; +}; + +/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ +#define BE_RESET_VLAN_TAG_ID 0xFFFF + +struct be_vf_cfg { + unsigned char mac_addr[ETH_ALEN]; + int if_handle; + int pmac_id; + u16 vlan_tag; + u32 tx_rate; + u32 plink_tracking; + u32 privileges; + bool spoofchk; +}; + +enum vf_state { + ENABLED = 0, + ASSIGNED = 1 +}; + +#define BE_FLAGS_LINK_STATUS_INIT BIT(1) +#define BE_FLAGS_SRIOV_ENABLED BIT(2) +#define BE_FLAGS_WORKER_SCHEDULED BIT(3) +#define BE_FLAGS_NAPI_ENABLED BIT(6) +#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) +#define BE_FLAGS_VXLAN_OFFLOADS BIT(8) +#define BE_FLAGS_SETUP_DONE BIT(9) +#define BE_FLAGS_PHY_MISCONFIGURED BIT(10) +#define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) +#define BE_FLAGS_OS2BMC BIT(12) +#define BE_FLAGS_TRY_RECOVERY BIT(13) + +#define BE_UC_PMAC_COUNT 30 +#define BE_VF_UC_PMAC_COUNT 2 + +#define MAX_ERR_RECOVERY_RETRY_COUNT 3 +#define ERR_DETECTION_DELAY 1000 + +/* Ethtool set_dump flags */ +#define LANCER_INITIATE_FW_DUMP 0x1 +#define LANCER_DELETE_FW_DUMP 0x2 + +struct phy_info { +/* From SFF-8472 spec */ +#define SFP_VENDOR_NAME_LEN 17 + u8 transceiver; + u8 autoneg; + u8 fc_autoneg; + u8 port_type; + u16 phy_type; + u16 interface_type; + u32 misc_params; + u16 auto_speeds_supported; + u16 fixed_speeds_supported; + int link_speed; + u32 advertising; + u32 supported; + u8 cable_type; + u8 vendor_name[SFP_VENDOR_NAME_LEN]; + u8 vendor_pn[SFP_VENDOR_NAME_LEN]; +}; + +struct be_resources { + u16 max_vfs; /* Total VFs "really" supported by FW/HW */ + u16 max_mcast_mac; + u16 max_tx_qs; + u16 max_rss_qs; + u16 max_rx_qs; + u16 max_cq_count; + u16 max_uc_mac; /* Max UC MACs programmable */ + u16 max_vlans; /* Number of vlans supported */ + u16 max_iface_count; + u16 max_mcc_count; + u16 max_evt_qs; + u16 max_nic_evt_qs; /* NIC's share of evt qs */ + u32 if_cap_flags; + u32 vf_if_cap_flags; /* VF if capability flags */ + u32 flags; + /* Calculated PF Pool's share of RSS Tables. This is not enforced by + * the FW, but is a self-imposed driver limitation. + */ + u16 max_rss_tables; +}; + +/* These are port-wide values */ +struct be_port_resources { + u16 max_vfs; + u16 nic_pfs; +}; + +#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) + +struct rss_info { + u8 rsstable[RSS_INDIR_TABLE_LEN]; + u8 rss_queue[RSS_INDIR_TABLE_LEN]; + u8 rss_hkey[RSS_HASH_KEY_LEN]; + u64 rss_flags; +}; + +#define BE_INVALID_DIE_TEMP 0xFF +struct be_hwmon { + struct device *hwmon_dev; + u8 be_on_die_temp; /* Unit: millidegree Celsius */ +}; + +/* Macros to read/write the 'features' word of be_wrb_params structure. + */ +#define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT +#define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) + +#define BE_WRB_F_GET(word, name) \ + (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) + +#define BE_WRB_F_SET(word, name, val) \ + ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) + +/* Feature/offload bits */ +enum { + BE_WRB_F_CRC_BIT, /* Ethernet CRC */ + BE_WRB_F_IPCS_BIT, /* IP csum */ + BE_WRB_F_TCPCS_BIT, /* TCP csum */ + BE_WRB_F_UDPCS_BIT, /* UDP csum */ + BE_WRB_F_LSO_BIT, /* LSO */ + BE_WRB_F_LSO6_BIT, /* LSO6 */ + BE_WRB_F_VLAN_BIT, /* VLAN */ + BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ + BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ +}; + +/* The structure below provides a HW-agnostic abstraction of WRB params + * retrieved from a TX skb. This is in turn passed to chip specific routines + * during transmit, to set the corresponding params in the WRB. + */ +struct be_wrb_params { + u32 features; /* Feature bits */ + u16 vlan_tag; /* VLAN tag */ + u16 lso_mss; /* MSS for LSO */ +}; + +struct be_eth_addr { + unsigned char mac[ETH_ALEN]; +}; + +#define BE_SEC 1000 /* in msec */ +#define BE_MIN (60 * BE_SEC) /* in msec */ +#define BE_HOUR (60 * BE_MIN) /* in msec */ + +#define ERR_RECOVERY_MAX_RETRY_COUNT 3 +#define ERR_RECOVERY_DETECTION_DELAY BE_SEC +#define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) + +/* UE-detection-duration in BEx/Skyhawk: + * All PFs must wait for this duration after they detect UE before reading + * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware + * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate + * if the UE is recoverable. + */ +#define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC + +/* Initial idle time (in msec) to elapse after driver load, + * before UE recovery is allowed. + */ +#define ERR_IDLE_HR 24 +#define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) + +/* Time interval (in msec) after which UE recovery can be repeated */ +#define ERR_INTERVAL_HR 72 +#define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) + +/* BEx/SH UE recovery state machine */ +enum { + ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ + ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ + ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ + ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ + ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ +}; + +struct be_error_recovery { + union { + u8 recovery_retries; /* used for Lancer */ + u8 recovery_state; /* used for BEx and Skyhawk */ + }; + + /* BEx/Skyhawk error recovery variables */ + bool recovery_supported; + u16 ue_to_reset_time; /* Time after UE, to soft reset + * the chip - PF0 only + */ + u16 ue_to_poll_time; /* Time after UE, to Restart Polling + * of SLIPORT_SEMAPHORE reg + */ + u16 last_err_code; + unsigned long probe_time; + unsigned long last_recovery_time; + + /* Common to both Lancer & BEx/SH error recovery */ + u32 resched_delay; + struct delayed_work err_detection_work; +}; + +/* Ethtool priv_flags */ +#define BE_DISABLE_TPE_RECOVERY 0x1 + +struct be_vxlan_port { + struct list_head list; + __be16 port; /* VxLAN UDP dst port */ + int port_aliases; /* alias count */ +}; + +struct be_adapter { + struct pci_dev *pdev; + struct net_device *netdev; + + u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ + u8 __iomem *db; /* Door Bell */ + u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ + + struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ + struct be_dma_mem mbox_mem; + /* Mbox mem is adjusted to align to 16 bytes. The allocated addr + * is stored for freeing purpose */ + struct be_dma_mem mbox_mem_alloced; + + struct be_mcc_obj mcc_obj; + struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ + spinlock_t mcc_cq_lock; + + u16 cfg_num_rx_irqs; /* configured via set-channels */ + u16 cfg_num_tx_irqs; /* configured via set-channels */ + u16 num_evt_qs; + u16 num_msix_vec; + struct be_eq_obj eq_obj[MAX_EVT_QS]; + struct msix_entry msix_entries[MAX_MSIX_VECTORS]; + bool isr_registered; + + /* TX Rings */ + u16 num_tx_qs; + struct be_tx_obj tx_obj[MAX_TX_QS]; + + /* Rx rings */ + u16 num_rx_qs; + u16 num_rss_qs; + u16 need_def_rxq; + struct be_rx_obj rx_obj[MAX_RX_QS]; + u32 big_page_size; /* Compounded page size shared by rx wrbs */ + + struct be_drv_stats drv_stats; + struct be_aic_obj aic_obj[MAX_EVT_QS]; + bool aic_enabled; + u8 vlan_prio_bmap; /* Available Priority BitMap */ + u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ + struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ + + struct be_dma_mem stats_cmd; + /* Work queue used to perform periodic tasks like getting statistics */ + struct delayed_work work; + u16 work_counter; + + u8 recovery_retries; + u8 err_flags; + bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ + u32 flags; + u32 cmd_privileges; + /* Ethtool knobs and info */ + char fw_ver[FW_VER_LEN]; + char fw_on_flash[FW_VER_LEN]; + + /* IFACE filtering fields */ + int if_handle; /* Used to configure filtering */ + u32 if_flags; /* Interface filtering flags */ + u32 *pmac_id; /* MAC addr handle used by BE card */ + struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ + u32 uc_macs; /* Count of secondary UC MAC programmed */ + struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ + u32 mc_count; + unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; + u16 vlans_added; + bool update_uc_list; + bool update_mc_list; + struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ + + u32 beacon_state; /* for set_phys_id */ + + u32 port_num; + char port_name; + u8 mc_type; + u32 function_mode; + u32 function_caps; + u32 rx_fc; /* Rx flow control */ + u32 tx_fc; /* Tx flow control */ + bool stats_cmd_sent; + struct { + u32 size; + u32 total_size; + u64 io_addr; + } roce_db; + u32 num_msix_roce_vec; + struct ocrdma_dev *ocrdma_dev; + struct list_head entry; + + u32 flash_status; + struct completion et_cmd_compl; + + struct be_resources pool_res; /* resources available for the port */ + struct be_resources res; /* resources available for the func */ + u16 num_vfs; /* Number of VFs provisioned by PF */ + u8 pf_num; /* Numbering used by FW, starts at 0 */ + u8 vf_num; /* Numbering used by FW, starts at 1 */ + u8 virtfn; + struct be_vf_cfg *vf_cfg; + bool be3_native; + u32 sli_family; + u8 hba_port_num; + u16 pvid; + __be16 vxlan_port; /* offloaded vxlan port num */ + struct phy_info phy; + u8 wol_cap; + bool wol_en; + u16 asic_rev; + u16 qnq_vid; + u32 msg_enable; + int be_get_temp_freq; + struct be_hwmon hwmon_info; + struct rss_info rss_info; + /* Filters for packets that need to be sent to BMC */ + u32 bmc_filt_mask; + u32 fat_dump_len; + u16 serial_num[CNTL_SERIAL_NUM_WORDS]; + u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ + u8 dev_mac[ETH_ALEN]; + u32 priv_flags; /* ethtool get/set_priv_flags() */ + struct be_error_recovery error_recovery; +}; + +/* Used for defered FW config cmds. Add fields to this struct as reqd */ +struct be_cmd_work { + struct work_struct work; + struct be_adapter *adapter; +}; + +#define be_physfn(adapter) (!adapter->virtfn) +#define be_virtfn(adapter) (adapter->virtfn) +#define sriov_enabled(adapter) (adapter->flags & \ + BE_FLAGS_SRIOV_ENABLED) + +#define for_all_vfs(adapter, vf_cfg, i) \ + for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ + i++, vf_cfg++) + +#define ON 1 +#define OFF 0 + +#define be_max_vlans(adapter) (adapter->res.max_vlans) +#define be_max_uc(adapter) (adapter->res.max_uc_mac) +#define be_max_mc(adapter) (adapter->res.max_mcast_mac) +#define be_max_vfs(adapter) (adapter->pool_res.max_vfs) +#define be_max_rss(adapter) (adapter->res.max_rss_qs) +#define be_max_txqs(adapter) (adapter->res.max_tx_qs) +#define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) +#define be_max_rxqs(adapter) (adapter->res.max_rx_qs) +/* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ +#define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) +/* Max number of EQs available avaialble only for NIC */ +#define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) +#define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) +#define be_max_pf_pool_rss_tables(adapter) \ + (adapter->pool_res.max_rss_tables) +/* Max irqs avaialble for NIC */ +#define be_max_irqs(adapter) \ + (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) + +/* Max irqs *needed* for RX queues */ +static inline u16 be_max_rx_irqs(struct be_adapter *adapter) +{ + /* If no RSS, need atleast one irq for def-RXQ */ + u16 num = max_t(u16, be_max_rss(adapter), 1); + + return min_t(u16, num, be_max_irqs(adapter)); +} + +/* Max irqs *needed* for TX queues */ +static inline u16 be_max_tx_irqs(struct be_adapter *adapter) +{ + return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); +} + +/* Max irqs *needed* for combined queues */ +static inline u16 be_max_qp_irqs(struct be_adapter *adapter) +{ + return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); +} + +/* Max irqs *needed* for RX and TX queues together */ +static inline u16 be_max_any_irqs(struct be_adapter *adapter) +{ + return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); +} + +/* Is BE in pvid_tagging mode */ +#define be_pvid_tagging_enabled(adapter) (adapter->pvid) + +/* Is BE in QNQ multi-channel mode */ +#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) + +#ifdef CONFIG_BE2NET_LANCER +#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ + adapter->pdev->device == OC_DEVICE_ID4) +#else +#define lancer_chip(adapter) (0) +#endif /* CONFIG_BE2NET_LANCER */ + +#ifdef CONFIG_BE2NET_SKYHAWK +#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ + adapter->pdev->device == OC_DEVICE_ID6) +#else +#define skyhawk_chip(adapter) (0) +#endif /* CONFIG_BE2NET_SKYHAWK */ + +#ifdef CONFIG_BE2NET_BE3 +#define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ + adapter->pdev->device == OC_DEVICE_ID2) +#else +#define BE3_chip(adapter) (0) +#endif /* CONFIG_BE2NET_BE3 */ + +#ifdef CONFIG_BE2NET_BE2 +#define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ + adapter->pdev->device == OC_DEVICE_ID1) +#else +#define BE2_chip(adapter) (0) +#endif /* CONFIG_BE2NET_BE2 */ + +#define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) + +#define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ + (adapter->function_mode & RDMA_ENABLED)) + +extern const struct ethtool_ops be_ethtool_ops; + +#define msix_enabled(adapter) (adapter->num_msix_vec > 0) +#define num_irqs(adapter) (msix_enabled(adapter) ? \ + adapter->num_msix_vec : 1) +#define tx_stats(txo) (&(txo)->stats) +#define rx_stats(rxo) (&(rxo)->stats) + +/* The default RXQ is the last RXQ */ +#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) + +#define for_all_rx_queues(adapter, rxo, i) \ + for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ + i++, rxo++) + +#define for_all_rss_queues(adapter, rxo, i) \ + for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ + i++, rxo++) + +#define for_all_tx_queues(adapter, txo, i) \ + for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ + i++, txo++) + +#define for_all_evt_queues(adapter, eqo, i) \ + for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ + i++, eqo++) + +#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ + for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ + i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) + +#define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ + for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ + i += adapter->num_evt_qs, txo += adapter->num_evt_qs) + +#define is_mcc_eqo(eqo) (eqo->idx == 0) +#define mcc_eqo(adapter) (&adapter->eq_obj[0]) + +#define PAGE_SHIFT_4K 12 +#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) + +/* Returns number of pages spanned by the data starting at the given addr */ +#define PAGES_4K_SPANNED(_address, size) \ + ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ + (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) + +/* Returns bit offset within a DWORD of a bitfield */ +#define AMAP_BIT_OFFSET(_struct, field) \ + (((size_t)&(((_struct *)0)->field))%32) + +/* Returns the bit mask of the field that is NOT shifted into location. */ +static inline u32 amap_mask(u32 bitsize) +{ + return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); +} + +static inline void +amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) +{ + u32 *dw = (u32 *) ptr + dw_offset; + *dw &= ~(mask << offset); + *dw |= (mask & value) << offset; +} + +#define AMAP_SET_BITS(_struct, field, ptr, val) \ + amap_set(ptr, \ + offsetof(_struct, field)/32, \ + amap_mask(sizeof(((_struct *)0)->field)), \ + AMAP_BIT_OFFSET(_struct, field), \ + val) + +static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) +{ + u32 *dw = (u32 *) ptr; + return mask & (*(dw + dw_offset) >> offset); +} + +#define AMAP_GET_BITS(_struct, field, ptr) \ + amap_get(ptr, \ + offsetof(_struct, field)/32, \ + amap_mask(sizeof(((_struct *)0)->field)), \ + AMAP_BIT_OFFSET(_struct, field)) + +#define GET_RX_COMPL_V0_BITS(field, ptr) \ + AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) + +#define GET_RX_COMPL_V1_BITS(field, ptr) \ + AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) + +#define GET_TX_COMPL_BITS(field, ptr) \ + AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) + +#define SET_TX_WRB_HDR_BITS(field, ptr, val) \ + AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) + +#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) +#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) +static inline void swap_dws(void *wrb, int len) +{ +#ifdef __BIG_ENDIAN + u32 *dw = wrb; + BUG_ON(len % 4); + do { + *dw = cpu_to_le32(*dw); + dw++; + len -= 4; + } while (len); +#endif /* __BIG_ENDIAN */ +} + +#define be_cmd_status(status) (status > 0 ? -EIO : status) + +static inline u8 is_tcp_pkt(struct sk_buff *skb) +{ + u8 val = 0; + + if (ip_hdr(skb)->version == 4) + val = (ip_hdr(skb)->protocol == IPPROTO_TCP); + else if (ip_hdr(skb)->version == 6) + val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); + + return val; +} + +static inline u8 is_udp_pkt(struct sk_buff *skb) +{ + u8 val = 0; + + if (ip_hdr(skb)->version == 4) + val = (ip_hdr(skb)->protocol == IPPROTO_UDP); + else if (ip_hdr(skb)->version == 6) + val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); + + return val; +} + +static inline bool is_ipv4_pkt(struct sk_buff *skb) +{ + return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; +} + +static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) +{ + if (ip_hdr(skb)->version == 6) + return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); + else + return false; +} + +#define be_error_recovering(adapter) \ + (adapter->flags & BE_FLAGS_TRY_RECOVERY) + +#define BE_ERROR_EEH 1 +#define BE_ERROR_UE BIT(1) +#define BE_ERROR_FW BIT(2) +#define BE_ERROR_TX BIT(3) +#define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX) +#define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \ + BE_ERROR_TX) +#define BE_CLEAR_ALL 0xFF + +static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) +{ + return (adapter->err_flags & err_type); +} + +static inline void be_set_error(struct be_adapter *adapter, int err_type) +{ + struct net_device *netdev = adapter->netdev; + + adapter->err_flags |= err_type; + netif_carrier_off(netdev); + + dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); +} + +static inline void be_clear_error(struct be_adapter *adapter, int err_type) +{ + adapter->err_flags &= ~err_type; +} + +static inline bool be_multi_rxq(const struct be_adapter *adapter) +{ + return adapter->num_rx_qs > 1; +} + +void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, + u16 num_popped); +void be_link_status_update(struct be_adapter *adapter, u8 link_status); +void be_parse_stats(struct be_adapter *adapter); +int be_load_fw(struct be_adapter *adapter, u8 *func); +bool be_is_wol_supported(struct be_adapter *adapter); +bool be_pause_supported(struct be_adapter *adapter); +u32 be_get_fw_log_level(struct be_adapter *adapter); +int be_update_queues(struct be_adapter *adapter); +int be_poll(struct napi_struct *napi, int budget); +void be_eqd_update(struct be_adapter *adapter, bool force_update); + +/* + * internal function to initialize-cleanup roce device. + */ +void be_roce_dev_add(struct be_adapter *); +void be_roce_dev_remove(struct be_adapter *); + +/* + * internal function to open-close roce device during ifup-ifdown. + */ +void be_roce_dev_shutdown(struct be_adapter *); + +#endif /* BE_H */ |