diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igbvf/vf.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/vf.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h new file mode 100644 index 000000000..ba9bb3132 --- /dev/null +++ b/drivers/net/ethernet/intel/igbvf/vf.h @@ -0,0 +1,243 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2009 - 2018 Intel Corporation. */ + +#ifndef _E1000_VF_H_ +#define _E1000_VF_H_ + +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/if_ether.h> + +#include "regs.h" +#include "defines.h" + +struct e1000_hw; + +#define E1000_DEV_ID_82576_VF 0x10CA +#define E1000_DEV_ID_I350_VF 0x1520 +#define E1000_REVISION_0 0 +#define E1000_REVISION_1 1 +#define E1000_REVISION_2 2 +#define E1000_REVISION_3 3 +#define E1000_REVISION_4 4 + +#define E1000_FUNC_0 0 +#define E1000_FUNC_1 1 + +/* Receive Address Register Count + * Number of high/low register pairs in the RAR. The RAR (Receive Address + * Registers) holds the directed and multicast addresses that we monitor. + * These entries are also used for MAC-based filtering. + */ +#define E1000_RAR_ENTRIES_VF 1 + +/* Receive Descriptor - Advanced */ +union e1000_adv_rx_desc { + struct { + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ + } read; + struct { + struct { + union { + __le32 data; + struct { + __le16 pkt_info; /* RSS/Packet type */ + /* Split Header, hdr buffer length */ + __le16 hdr_info; + } hs_rss; + } lo_dword; + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ + } upper; + } wb; /* writeback */ +}; + +#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0 +#define E1000_RXDADV_HDRBUFLEN_SHIFT 5 + +/* Transmit Descriptor - Advanced */ +union e1000_adv_tx_desc { + struct { + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; + } read; + struct { + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; + } wb; +}; + +/* Adv Transmit Descriptor Config Masks */ +#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ +#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ +#define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ +#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ +#define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ +#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ +#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ +#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ +#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ + +/* Context descriptors */ +struct e1000_adv_tx_context_desc { + __le32 vlan_macip_lens; + __le32 seqnum_seed; + __le32 type_tucmd_mlhl; + __le32 mss_l4len_idx; +}; + +#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ +#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ +#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ +#define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */ +#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ +#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ + +enum e1000_mac_type { + e1000_undefined = 0, + e1000_vfadapt, + e1000_vfadapt_i350, + e1000_num_macs /* List is 1-based, so subtract 1 for true count. */ +}; + +struct e1000_vf_stats { + u64 base_gprc; + u64 base_gptc; + u64 base_gorc; + u64 base_gotc; + u64 base_mprc; + u64 base_gotlbc; + u64 base_gptlbc; + u64 base_gorlbc; + u64 base_gprlbc; + + u32 last_gprc; + u32 last_gptc; + u32 last_gorc; + u32 last_gotc; + u32 last_mprc; + u32 last_gotlbc; + u32 last_gptlbc; + u32 last_gorlbc; + u32 last_gprlbc; + + u64 gprc; + u64 gptc; + u64 gorc; + u64 gotc; + u64 mprc; + u64 gotlbc; + u64 gptlbc; + u64 gorlbc; + u64 gprlbc; +}; + +#include "mbx.h" + +struct e1000_mac_operations { + /* Function pointers for the MAC. */ + s32 (*init_params)(struct e1000_hw *); + s32 (*check_for_link)(struct e1000_hw *); + void (*clear_vfta)(struct e1000_hw *); + s32 (*get_bus_info)(struct e1000_hw *); + s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *); + void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32); + s32 (*set_uc_addr)(struct e1000_hw *, u32, u8 *); + s32 (*reset_hw)(struct e1000_hw *); + s32 (*init_hw)(struct e1000_hw *); + s32 (*setup_link)(struct e1000_hw *); + void (*write_vfta)(struct e1000_hw *, u32, u32); + void (*mta_set)(struct e1000_hw *, u32); + void (*rar_set)(struct e1000_hw *, u8*, u32); + s32 (*read_mac_addr)(struct e1000_hw *); + s32 (*set_vfta)(struct e1000_hw *, u16, bool); +}; + +struct e1000_mac_info { + struct e1000_mac_operations ops; + u8 addr[6]; + u8 perm_addr[6]; + + enum e1000_mac_type type; + + u16 mta_reg_count; + u16 rar_entry_count; + + bool get_link_status; +}; + +struct e1000_mbx_operations { + s32 (*init_params)(struct e1000_hw *hw); + s32 (*read)(struct e1000_hw *, u32 *, u16); + s32 (*write)(struct e1000_hw *, u32 *, u16); + s32 (*read_posted)(struct e1000_hw *, u32 *, u16); + s32 (*write_posted)(struct e1000_hw *, u32 *, u16); + s32 (*check_for_msg)(struct e1000_hw *); + s32 (*check_for_ack)(struct e1000_hw *); + s32 (*check_for_rst)(struct e1000_hw *); +}; + +struct e1000_mbx_stats { + u32 msgs_tx; + u32 msgs_rx; + + u32 acks; + u32 reqs; + u32 rsts; +}; + +struct e1000_mbx_info { + struct e1000_mbx_operations ops; + struct e1000_mbx_stats stats; + u32 timeout; + u32 usec_delay; + u16 size; +}; + +struct e1000_dev_spec_vf { + u32 vf_number; + u32 v2p_mailbox; +}; + +struct e1000_hw { + void *back; + + u8 __iomem *hw_addr; + u8 __iomem *flash_address; + unsigned long io_base; + + struct e1000_mac_info mac; + struct e1000_mbx_info mbx; + spinlock_t mbx_lock; /* serializes mailbox ops */ + + union { + struct e1000_dev_spec_vf vf; + } dev_spec; + + u16 device_id; + u16 subsystem_vendor_id; + u16 subsystem_device_id; + u16 vendor_id; + + u8 revision_id; +}; + +/* These functions must be implemented by drivers */ +void e1000_rlpml_set_vf(struct e1000_hw *, u16); +void e1000_init_function_pointers_vf(struct e1000_hw *hw); + +#endif /* _E1000_VF_H_ */ |