/* SPDX-License-Identifier: GPL-2.0 */
/* Marvell RVU Ethernet driver
*
* Copyright (C) 2020 Marvell.
*
*/
#ifndef OTX2_STRUCT_H
#define OTX2_STRUCT_H
/* NIX WQE/CQE size 128 byte or 512 byte */
enum nix_cqesz_e {
NIX_XQESZ_W64 = 0x0,
NIX_XQESZ_W16 = 0x1,
};
enum nix_sqes_e {
NIX_SQESZ_W16 = 0x0,
NIX_SQESZ_W8 = 0x1,
};
enum nix_send_ldtype {
NIX_SEND_LDTYPE_LDD = 0x0,
NIX_SEND_LDTYPE_LDT = 0x1,
NIX_SEND_LDTYPE_LDWB = 0x2,
};
/* CSUM offload */
enum nix_sendl3type {
NIX_SENDL3TYPE_NONE = 0x0,
NIX_SENDL3TYPE_IP4 = 0x2,
NIX_SENDL3TYPE_IP4_CKSUM = 0x3,
NIX_SENDL3TYPE_IP6 = 0x4,
};
enum nix_sendl4type {
NIX_SENDL4TYPE_NONE,
NIX_SENDL4TYPE_TCP_CKSUM,
NIX_SENDL4TYPE_SCTP_CKSUM,
NIX_SENDL4TYPE_UDP_CKSUM,
};
/* NIX wqe/cqe types */
enum nix_xqe_type {
NIX_XQE_TYPE_INVALID = 0x0,
NIX_XQE_TYPE_RX = 0x1,
NIX_XQE_TYPE_RX_IPSECS = 0x2,
NIX_XQE_TYPE_RX_IPSECH = 0x3,
NIX_XQE_TYPE_RX_IPSECD = 0x4,
NIX_XQE_TYPE_SEND = 0x8,
};
/* NIX CQE/SQE subdescriptor types */
enum nix_subdc {
NIX_SUBDC_NOP = 0x0,
NIX_SUBDC_EXT = 0x1,
NIX_SUBDC_CRC = 0x2,
NIX_SUBDC_IMM = 0x3,
NIX_SUBDC_SG = 0x4,
NIX_SUBDC_MEM = 0x5,
NIX_SUBDC_JUMP = 0x6,
NIX_SUBDC_WORK = 0x7,
NIX_SUBDC_SOD = 0xf,
};
/* Algorithm for nix_sqe_mem_s header (value of the `alg` field) */
enum nix_sendmemalg {
NIX_SENDMEMALG_E_SET = 0x0,
NIX_SENDMEMALG_E_SETTSTMP = 0x1,
NIX_SENDMEMALG_E_SETRSLT = 0x2,
NIX_SENDMEMALG_E_ADD = 0x8,
NIX_SENDMEMALG_E_SUB = 0x9,
NIX_SENDMEMALG_E_ADDLEN = 0xa,
NIX_SENDMEMALG_E_SUBLEN = 0xb,
NIX_SENDMEMALG_E_ADDMBUF = 0xc,
NIX_SENDMEMALG_E_SUBMBUF = 0xd,
NIX_SENDMEMALG_E_ENUM_LAST = 0xe,
};
/* NIX CQE header structure */
struct nix_cqe_hdr_s {
u64 flow_tag : 32;
u64 q : 20;
u64 reserved_52_57 : 6;
u64 node : 2;
u64 cqe_type : 4;
};
/* NIX CQE RX parse structure */
struct nix_rx_parse_s {
u64 chan : 12;
u64 desc_sizem1 : 5;
u64 rsvd_17 : 1;
u64 express : 1;
u64 wqwd : 1;
u64 errlev : 4;
u64 errcode : 8;
u64 latype : 4;
u64 lbtype : 4;
u64 lctype : 4;
u64 ldtype : 4;
u64 letype : 4;
u64 lftype : 4;
u64 lgtype : 4;
u64 lhtype : 4;
u64 pkt_lenm1 : 16; /* W1 */
u64 l2m : 1;
u64 l2b : 1;
u64 l3m : 1;
u64 l3b : 1;
u64 vtag0_valid : 1;
u64 vtag0_gone : 1;
u64 vtag1_valid : 1;
u64 vtag1_gone : 1;
u64 pkind : 6;
u64 rsvd_95_94 : 2;
u64 vtag0_tci : 16;
u64 vtag1_tci : 16;
u64 laflags : 8; /* W2 */
u64 lbflags : 8;
u64 lcflags : 8;
u64 ldflags : 8;
u64 leflags : 8;
u64 lfflags : 8;
u64 lgflags : 8;
u64 lhflags : 8;
u64 eoh_ptr : 8; /* W3 */
u64 wqe_aura : 20;
u64 pb_aura : 20;
u64 match_id : 16;
u64 laptr : 8; /* W4 */
u64 lbptr : 8;
u64 lcptr : 8;
u64 ldptr : 8;
u64 leptr : 8;
u64 lfptr : 8;
u64 lgptr : 8;
u64 lhptr : 8;
u64 vtag0_ptr : 8; /* W5 */
u64 vtag1_ptr : 8;
u64 flow_key_alg : 5;
u64 rsvd_359_341 : 19;
u64 color : 2;
u64 rsvd_383_362 : 22;
u64 rsvd_447_384; /* W6 */
};
/* NIX CQE RX scatter/gather subdescriptor structure */
struct nix_rx_sg_s {
u64 seg_size : 16; /* W0 */
u64 seg2_size : 16;
u64 seg3_size : 16;
u64 segs : 2;
u64 rsvd_59_50 : 10;
u64 subdc : 4;
u64 seg_addr;
u64 seg2_addr;
u64 seg3_addr;
};
struct nix_send_comp_s {
u64 status : 8;
u64 sqe_id : 16;
u64 rsvd_24_63 : 40;
};
struct nix_cqe_rx_s {
struct nix_cqe_hdr_s hdr;
struct nix_rx_parse_s parse;
struct nix_rx_sg_s sg;
};
struct nix_cqe_tx_s {
struct nix_cqe_hdr_s hdr;
struct nix_send_comp_s comp;
};
/* NIX SQE header structure */
struct nix_sqe_hdr_s {
u64 total : 18; /* W0 */
u64 reserved_18 : 1;
u64 df : 1;
u64 aura : 20;
u64 sizem1 : 3;
u64 pnc : 1;
u64 sq : 20;
u64 ol3ptr : 8; /* W1 */
u64 ol4ptr : 8;
u64 il3ptr : 8;
u64 il4ptr : 8;
u64 ol3type : 4;
u64 ol4type : 4;
u64 il3type : 4;
u64 il4type : 4;
u64 sqe_id : 16;
};
/* NIX send extended header subdescriptor structure */
struct nix_sqe_ext_s {
u64 lso_mps : 14; /* W0 */
u64 lso : 1;
u64 tstmp : 1;
u64 lso_sb : 8;
u64 lso_format : 5;
u64 rsvd_31_29 : 3;
u64 shp_chg : 9;
u64 shp_dis : 1;
u64 shp_ra : 2;
u64 markptr : 8;
u64 markform : 7;
u64 mark_en : 1;
u64 subdc : 4;
u64 vlan0_ins_ptr : 8; /* W1 */
u64 vlan0_ins_tci : 16;
u64 vlan1_ins_ptr : 8;
u64 vlan1_ins_tci : 16;
u64 vlan0_ins_ena : 1;
u64 vlan1_ins_ena : 1;
u64 init_color : 2;
u64 rsvd_127_116 : 12;
};
struct nix_sqe_sg_s {
u64 seg1_size : 16;
u64 seg2_size : 16;
u64 seg3_size : 16;
u64 segs : 2;
u64 rsvd_54_50 : 5;
u64 i1 : 1;
u64 i2 : 1;
u64 i3 : 1;
u64 ld_type : 2;
u64 subdc : 4;
};
/* NIX send memory subdescriptor structure */
struct nix_sqe_mem_s {
u64 start_offset : 8;
u64 rsvd_11_8 : 4;
u64 rsvd_12 : 1;
u64 udp_csum_crt : 1;
u64 update64 : 1;
u64 rsvd_15_16 : 1;
u64 base_ns : 32;
u64 step_type : 1;
u64 rsvd_51_49 : 3;
u64 per_lso_seg : 1;
u64 wmem : 1;
u64 dsz : 2;
u64 alg : 4;
u64 subdc : 4;
u64 addr; /* W1 */
};
enum nix_cqerrint_e {
NIX_CQERRINT_DOOR_ERR = 0,
NIX_CQERRINT_WR_FULL = 1,
NIX_CQERRINT_CQE_FAULT = 2,
};
#define NIX_CQERRINT_BITS (BIT_ULL(NIX_CQERRINT_DOOR_ERR) | \
BIT_ULL(NIX_CQERRINT_CQE_FAULT))
enum nix_rqint_e {
NIX_RQINT_DROP = 0,
NIX_RQINT_RED = 1,
};
#define NIX_RQINT_BITS (BIT_ULL(NIX_RQINT_DROP) | BIT_ULL(NIX_RQINT_RED))
enum nix_sqint_e {
NIX_SQINT_LMT_ERR = 0,
NIX_SQINT_MNQ_ERR = 1,
NIX_SQINT_SEND_ERR = 2,
NIX_SQINT_SQB_ALLOC_FAIL = 3,
};
#define NIX_SQINT_BITS (BIT_ULL(NIX_SQINT_LMT_ERR) | \
BIT_ULL(NIX_SQINT_MNQ_ERR) | \
BIT_ULL(NIX_SQINT_SEND_ERR) | \
BIT_ULL(NIX_SQINT_SQB_ALLOC_FAIL))
enum nix_sqoperr_e {
NIX_SQOPERR_OOR = 0,
NIX_SQOPERR_CTX_FAULT = 1,
NIX_SQOPERR_CTX_POISON = 2,
NIX_SQOPERR_DISABLED = 3,
NIX_SQOPERR_SIZE_ERR = 4,
NIX_SQOPERR_OFLOW = 5,
NIX_SQOPERR_SQB_NULL = 6,
NIX_SQOPERR_SQB_FAULT = 7,
NIX_SQOPERR_SQE_SZ_ZERO = 8,
NIX_SQOPERR_MAX,
};
enum nix_mnqerr_e {
NIX_MNQERR_SQ_CTX_FAULT = 0,
NIX_MNQERR_SQ_CTX_POISON = 1,
NIX_MNQERR_SQB_FAULT = 2,
NIX_MNQERR_SQB_POISON = 3,
NIX_MNQERR_TOTAL_ERR = 4,
NIX_MNQERR_LSO_ERR = 5,
NIX_MNQERR_CQ_QUERY_ERR = 6,
NIX_MNQERR_MAX_SQE_SIZE_ERR = 7,
NIX_MNQERR_MAXLEN_ERR = 8,
NIX_MNQERR_SQE_SIZEM1_ZERO = 9,
NIX_MNQERR_MAX,
};
enum nix_snd_status_e {
NIX_SND_STATUS_GOOD = 0x0,
NIX_SND_STATUS_SQ_CTX_FAULT = 0x1,
NIX_SND_STATUS_SQ_CTX_POISON = 0x2,
NIX_SND_STATUS_SQB_FAULT = 0x3,
NIX_SND_STATUS_SQB_POISON = 0x4,
NIX_SND_STATUS_HDR_ERR = 0x5,
NIX_SND_STATUS_EXT_ERR = 0x6,
NIX_SND_STATUS_JUMP_FAULT = 0x7,
NIX_SND_STATUS_JUMP_POISON = 0x8,
NIX_SND_STATUS_CRC_ERR = 0x10,
NIX_SND_STATUS_IMM_ERR = 0x11,
NIX_SND_STATUS_SG_ERR = 0x12,
NIX_SND_STATUS_MEM_ERR = 0x13,
NIX_SND_STATUS_INVALID_SUBDC = 0x14,
NIX_SND_STATUS_SUBDC_ORDER_ERR = 0x15,
NIX_SND_STATUS_DATA_FAULT = 0x16,
NIX_SND_STATUS_DATA_POISON = 0x17,
NIX_SND_STATUS_NPC_DROP_ACTION = 0x20,
NIX_SND_STATUS_LOCK_VIOL = 0x21,
NIX_SND_STATUS_NPC_UCAST_CHAN_ERR = 0x22,
NIX_SND_STATUS_NPC_MCAST_CHAN_ERR = 0x23,
NIX_SND_STATUS_NPC_MCAST_ABORT = 0x24,
NIX_SND_STATUS_NPC_VTAG_PTR_ERR = 0x25,
NIX_SND_STATUS_NPC_VTAG_SIZE_ERR = 0x26,
NIX_SND_STATUS_SEND_MEM_FAULT = 0x27,
NIX_SND_STATUS_SEND_STATS_ERR = 0x28,
NIX_SND_STATUS_MAX,
};
#endif /* OTX2_STRUCT_H */
