drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2018, Intel Corporation. */
   3
   4 #ifndef _ICE_LAN_TX_RX_H_
   5 #define _ICE_LAN_TX_RX_H_
   6
   7 union ice_32byte_rx_desc {
   8         struct {
   9                 __le64 pkt_addr; /* Packet buffer address */
  10                 __le64 hdr_addr; /* Header buffer address */
  11                         /* bit 0 of hdr_addr is DD bit */
  12                 __le64 rsvd1;
  13                 __le64 rsvd2;
  14         } read;
  15         struct {
  16                 struct {
  17                         struct {
  18                                 __le16 mirroring_status;
  19                                 __le16 l2tag1;
  20                         } lo_dword;
  21                         union {
  22                                 __le32 rss; /* RSS Hash */
  23                                 __le32 fd_id; /* Flow Director filter ID */
  24                         } hi_dword;
  25                 } qword0;
  26                 struct {
  27                         /* status/error/PTYPE/length */
  28                         __le64 status_error_len;
  29                 } qword1;
  30                 struct {
  31                         __le16 ext_status; /* extended status */
  32                         __le16 rsvd;
  33                         __le16 l2tag2_1;
  34                         __le16 l2tag2_2;
  35                 } qword2;
  36                 struct {
  37                         __le32 reserved;
  38                         __le32 fd_id;
  39                 } qword3;
  40         } wb; /* writeback */
  41 };
  42
  43 struct ice_fltr_desc {
  44         __le64 qidx_compq_space_stat;
  45         __le64 dtype_cmd_vsi_fdid;
  46 };
  47
  48 #define ICE_FXD_FLTR_QW0_QINDEX_S       0
  49 #define ICE_FXD_FLTR_QW0_QINDEX_M       (0x7FFULL << ICE_FXD_FLTR_QW0_QINDEX_S)
  50 #define ICE_FXD_FLTR_QW0_COMP_Q_S       11
  51 #define ICE_FXD_FLTR_QW0_COMP_Q_M       BIT_ULL(ICE_FXD_FLTR_QW0_COMP_Q_S)
  52 #define ICE_FXD_FLTR_QW0_COMP_Q_ZERO    0x0ULL
  53
  54 #define ICE_FXD_FLTR_QW0_COMP_REPORT_S  12
  55 #define ICE_FXD_FLTR_QW0_COMP_REPORT_M  \
  56                                 (0x3ULL << ICE_FXD_FLTR_QW0_COMP_REPORT_S)
  57 #define ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL    0x1ULL
  58 #define ICE_FXD_FLTR_QW0_COMP_REPORT_SW         0x2ULL
  59
  60 #define ICE_FXD_FLTR_QW0_FD_SPACE_S     14
  61 #define ICE_FXD_FLTR_QW0_FD_SPACE_M     (0x3ULL << ICE_FXD_FLTR_QW0_FD_SPACE_S)
  62 #define ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST             0x2ULL
  63
  64 #define ICE_FXD_FLTR_QW0_STAT_CNT_S     16
  65 #define ICE_FXD_FLTR_QW0_STAT_CNT_M     \
  66                                 (0x1FFFULL << ICE_FXD_FLTR_QW0_STAT_CNT_S)
  67 #define ICE_FXD_FLTR_QW0_STAT_ENA_S     29
  68 #define ICE_FXD_FLTR_QW0_STAT_ENA_M     (0x3ULL << ICE_FXD_FLTR_QW0_STAT_ENA_S)
  69 #define ICE_FXD_FLTR_QW0_STAT_ENA_PKTS          0x1ULL
  70
  71 #define ICE_FXD_FLTR_QW0_EVICT_ENA_S    31
  72 #define ICE_FXD_FLTR_QW0_EVICT_ENA_M    BIT_ULL(ICE_FXD_FLTR_QW0_EVICT_ENA_S)
  73 #define ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE        0x0ULL
  74 #define ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE         0x1ULL
  75
  76 #define ICE_FXD_FLTR_QW0_TO_Q_S         32
  77 #define ICE_FXD_FLTR_QW0_TO_Q_M         (0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_S)
  78 #define ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX     0x0ULL
  79
  80 #define ICE_FXD_FLTR_QW0_TO_Q_PRI_S     35
  81 #define ICE_FXD_FLTR_QW0_TO_Q_PRI_M     (0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_PRI_S)
  82 #define ICE_FXD_FLTR_QW0_TO_Q_PRIO1     0x1ULL
  83
  84 #define ICE_FXD_FLTR_QW0_DPU_RECIPE_S   38
  85 #define ICE_FXD_FLTR_QW0_DPU_RECIPE_M   \
  86                         (0x3ULL << ICE_FXD_FLTR_QW0_DPU_RECIPE_S)
  87 #define ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT        0x0ULL
  88
  89 #define ICE_FXD_FLTR_QW0_DROP_S         40
  90 #define ICE_FXD_FLTR_QW0_DROP_M         BIT_ULL(ICE_FXD_FLTR_QW0_DROP_S)
  91 #define ICE_FXD_FLTR_QW0_DROP_NO        0x0ULL
  92 #define ICE_FXD_FLTR_QW0_DROP_YES       0x1ULL
  93
  94 #define ICE_FXD_FLTR_QW0_FLEX_PRI_S     41
  95 #define ICE_FXD_FLTR_QW0_FLEX_PRI_M     (0x7ULL << ICE_FXD_FLTR_QW0_FLEX_PRI_S)
  96 #define ICE_FXD_FLTR_QW0_FLEX_PRI_NONE  0x0ULL
  97
  98 #define ICE_FXD_FLTR_QW0_FLEX_MDID_S    44
  99 #define ICE_FXD_FLTR_QW0_FLEX_MDID_M    (0xFULL << ICE_FXD_FLTR_QW0_FLEX_MDID_S)
 100 #define ICE_FXD_FLTR_QW0_FLEX_MDID0     0x0ULL
 101
 102 #define ICE_FXD_FLTR_QW0_FLEX_VAL_S     48
 103 #define ICE_FXD_FLTR_QW0_FLEX_VAL_M     \
 104                                 (0xFFFFULL << ICE_FXD_FLTR_QW0_FLEX_VAL_S)
 105 #define ICE_FXD_FLTR_QW0_FLEX_VAL0      0x0ULL
 106
 107 #define ICE_FXD_FLTR_QW1_DTYPE_S        0
 108 #define ICE_FXD_FLTR_QW1_DTYPE_M        (0xFULL << ICE_FXD_FLTR_QW1_DTYPE_S)
 109 #define ICE_FXD_FLTR_QW1_PCMD_S         4
 110 #define ICE_FXD_FLTR_QW1_PCMD_M         BIT_ULL(ICE_FXD_FLTR_QW1_PCMD_S)
 111 #define ICE_FXD_FLTR_QW1_PCMD_ADD       0x0ULL
 112 #define ICE_FXD_FLTR_QW1_PCMD_REMOVE    0x1ULL
 113
 114 #define ICE_FXD_FLTR_QW1_PROF_PRI_S     5
 115 #define ICE_FXD_FLTR_QW1_PROF_PRI_M     (0x7ULL << ICE_FXD_FLTR_QW1_PROF_PRI_S)
 116 #define ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO 0x0ULL
 117
 118 #define ICE_FXD_FLTR_QW1_PROF_S         8
 119 #define ICE_FXD_FLTR_QW1_PROF_M         (0x3FULL << ICE_FXD_FLTR_QW1_PROF_S)
 120 #define ICE_FXD_FLTR_QW1_PROF_ZERO      0x0ULL
 121
 122 #define ICE_FXD_FLTR_QW1_FD_VSI_S       14
 123 #define ICE_FXD_FLTR_QW1_FD_VSI_M       (0x3FFULL << ICE_FXD_FLTR_QW1_FD_VSI_S)
 124 #define ICE_FXD_FLTR_QW1_SWAP_S         24
 125 #define ICE_FXD_FLTR_QW1_SWAP_M         BIT_ULL(ICE_FXD_FLTR_QW1_SWAP_S)
 126 #define ICE_FXD_FLTR_QW1_SWAP_NOT_SET   0x0ULL
 127 #define ICE_FXD_FLTR_QW1_SWAP_SET       0x1ULL
 128
 129 #define ICE_FXD_FLTR_QW1_FDID_PRI_S     25
 130 #define ICE_FXD_FLTR_QW1_FDID_PRI_M     (0x7ULL << ICE_FXD_FLTR_QW1_FDID_PRI_S)
 131 #define ICE_FXD_FLTR_QW1_FDID_PRI_ONE   0x1ULL
 132 #define ICE_FXD_FLTR_QW1_FDID_PRI_THREE 0x3ULL
 133
 134 #define ICE_FXD_FLTR_QW1_FDID_MDID_S    28
 135 #define ICE_FXD_FLTR_QW1_FDID_MDID_M    (0xFULL << ICE_FXD_FLTR_QW1_FDID_MDID_S)
 136 #define ICE_FXD_FLTR_QW1_FDID_MDID_FD   0x05ULL
 137
 138 #define ICE_FXD_FLTR_QW1_FDID_S         32
 139 #define ICE_FXD_FLTR_QW1_FDID_M         \
 140                         (0xFFFFFFFFULL << ICE_FXD_FLTR_QW1_FDID_S)
 141 #define ICE_FXD_FLTR_QW1_FDID_ZERO      0x0ULL
 142
 143 /* definition for FD filter programming status descriptor WB format */
 144 #define ICE_FXD_FLTR_WB_QW1_DD_S        0
 145 #define ICE_FXD_FLTR_WB_QW1_DD_M        (0x1ULL << ICE_FXD_FLTR_WB_QW1_DD_S)
 146 #define ICE_FXD_FLTR_WB_QW1_DD_YES      0x1ULL
 147
 148 #define ICE_FXD_FLTR_WB_QW1_PROG_ID_S   1
 149 #define ICE_FXD_FLTR_WB_QW1_PROG_ID_M   \
 150                                 (0x3ULL << ICE_FXD_FLTR_WB_QW1_PROG_ID_S)
 151 #define ICE_FXD_FLTR_WB_QW1_PROG_ADD    0x0ULL
 152 #define ICE_FXD_FLTR_WB_QW1_PROG_DEL    0x1ULL
 153
 154 #define ICE_FXD_FLTR_WB_QW1_FAIL_S      4
 155 #define ICE_FXD_FLTR_WB_QW1_FAIL_M      (0x1ULL << ICE_FXD_FLTR_WB_QW1_FAIL_S)
 156 #define ICE_FXD_FLTR_WB_QW1_FAIL_YES    0x1ULL
 157
 158 #define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S 5
 159 #define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_M \
 160                                 (0x1ULL << ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S)
 161 #define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES       0x1ULL
 162
 163 /* Rx Flex Descriptor
 164  * This descriptor is used instead of the legacy version descriptor when
 165  * ice_rlan_ctx.adv_desc is set
 166  */
 167 union ice_32b_rx_flex_desc {
 168         struct {
 169                 __le64 pkt_addr; /* Packet buffer address */
 170                 __le64 hdr_addr; /* Header buffer address */
 171                                  /* bit 0 of hdr_addr is DD bit */
 172                 __le64 rsvd1;
 173                 __le64 rsvd2;
 174         } read;
 175         struct {
 176                 /* Qword 0 */
 177                 u8 rxdid; /* descriptor builder profile ID */
 178                 u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
 179                 __le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
 180                 __le16 pkt_len; /* [15:14] are reserved */
 181                 __le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
 182                                                 /* sph=[11:11] */
 183                                                 /* ff1/ext=[15:12] */
 184
 185                 /* Qword 1 */
 186                 __le16 status_error0;
 187                 __le16 l2tag1;
 188                 __le16 flex_meta0;
 189                 __le16 flex_meta1;
 190
 191                 /* Qword 2 */
 192                 __le16 status_error1;
 193                 u8 flex_flags2;
 194                 u8 time_stamp_low;
 195                 __le16 l2tag2_1st;
 196                 __le16 l2tag2_2nd;
 197
 198                 /* Qword 3 */
 199                 __le16 flex_meta2;
 200                 __le16 flex_meta3;
 201                 union {
 202                         struct {
 203                                 __le16 flex_meta4;
 204                                 __le16 flex_meta5;
 205                         } flex;
 206                         __le32 ts_high;
 207                 } flex_ts;
 208         } wb; /* writeback */
 209 };
 210
 211 /* Rx Flex Descriptor NIC Profile
 212  * This descriptor corresponds to RxDID 2 which contains
 213  * metadata fields for RSS, flow ID and timestamp info
 214  */
 215 struct ice_32b_rx_flex_desc_nic {
 216         /* Qword 0 */
 217         u8 rxdid;
 218         u8 mir_id_umb_cast;
 219         __le16 ptype_flexi_flags0;
 220         __le16 pkt_len;
 221         __le16 hdr_len_sph_flex_flags1;
 222
 223         /* Qword 1 */
 224         __le16 status_error0;
 225         __le16 l2tag1;
 226         __le32 rss_hash;
 227
 228         /* Qword 2 */
 229         __le16 status_error1;
 230         u8 flexi_flags2;
 231         u8 ts_low;
 232         __le16 l2tag2_1st;
 233         __le16 l2tag2_2nd;
 234
 235         /* Qword 3 */
 236         __le32 flow_id;
 237         union {
 238                 struct {
 239                         __le16 vlan_id;
 240                         __le16 flow_id_ipv6;
 241                 } flex;
 242                 __le32 ts_high;
 243         } flex_ts;
 244 };
 245
 246 /* Rx Flex Descriptor NIC Profile
 247  * RxDID Profile ID 6
 248  * Flex-field 0: RSS hash lower 16-bits
 249  * Flex-field 1: RSS hash upper 16-bits
 250  * Flex-field 2: Flow ID lower 16-bits
 251  * Flex-field 3: Source VSI
 252  * Flex-field 4: reserved, VLAN ID taken from L2Tag
 253  */
 254 struct ice_32b_rx_flex_desc_nic_2 {
 255         /* Qword 0 */
 256         u8 rxdid;
 257         u8 mir_id_umb_cast;
 258         __le16 ptype_flexi_flags0;
 259         __le16 pkt_len;
 260         __le16 hdr_len_sph_flex_flags1;
 261
 262         /* Qword 1 */
 263         __le16 status_error0;
 264         __le16 l2tag1;
 265         __le32 rss_hash;
 266
 267         /* Qword 2 */
 268         __le16 status_error1;
 269         u8 flexi_flags2;
 270         u8 ts_low;
 271         __le16 l2tag2_1st;
 272         __le16 l2tag2_2nd;
 273
 274         /* Qword 3 */
 275         __le16 flow_id;
 276         __le16 src_vsi;
 277         union {
 278                 struct {
 279                         __le16 rsvd;
 280                         __le16 flow_id_ipv6;
 281                 } flex;
 282                 __le32 ts_high;
 283         } flex_ts;
 284 };
 285
 286 /* Receive Flex Descriptor profile IDs: There are a total
 287  * of 64 profiles where profile IDs 0/1 are for legacy; and
 288  * profiles 2-63 are flex profiles that can be programmed
 289  * with a specific metadata (profile 7 reserved for HW)
 290  */
 291 enum ice_rxdid {
 292         ICE_RXDID_LEGACY_0              = 0,
 293         ICE_RXDID_LEGACY_1              = 1,
 294         ICE_RXDID_FLEX_NIC              = 2,
 295         ICE_RXDID_FLEX_NIC_2            = 6,
 296         ICE_RXDID_HW                    = 7,
 297         ICE_RXDID_LAST                  = 63,
 298 };
 299
 300 /* Receive Flex Descriptor Rx opcode values */
 301 #define ICE_RX_OPC_MDID         0x01
 302
 303 /* Receive Descriptor MDID values that access packet flags */
 304 enum ice_flex_mdid_pkt_flags {
 305         ICE_RX_MDID_PKT_FLAGS_15_0      = 20,
 306         ICE_RX_MDID_PKT_FLAGS_31_16,
 307         ICE_RX_MDID_PKT_FLAGS_47_32,
 308         ICE_RX_MDID_PKT_FLAGS_63_48,
 309 };
 310
 311 /* Receive Descriptor MDID values */
 312 enum ice_flex_rx_mdid {
 313         ICE_RX_MDID_FLOW_ID_LOWER       = 5,
 314         ICE_RX_MDID_FLOW_ID_HIGH,
 315         ICE_RX_MDID_SRC_VSI             = 19,
 316         ICE_RX_MDID_HASH_LOW            = 56,
 317         ICE_RX_MDID_HASH_HIGH,
 318 };
 319
 320 /* Rx/Tx Flag64 packet flag bits */
 321 enum ice_flg64_bits {
 322         ICE_FLG_PKT_DSI         = 0,
 323         ICE_FLG_EVLAN_x8100     = 14,
 324         ICE_FLG_EVLAN_x9100,
 325         ICE_FLG_VLAN_x8100,
 326         ICE_FLG_TNL_MAC         = 22,
 327         ICE_FLG_TNL_VLAN,
 328         ICE_FLG_PKT_FRG,
 329         ICE_FLG_FIN             = 32,
 330         ICE_FLG_SYN,
 331         ICE_FLG_RST,
 332         ICE_FLG_TNL0            = 38,
 333         ICE_FLG_TNL1,
 334         ICE_FLG_TNL2,
 335         ICE_FLG_UDP_GRE,
 336         ICE_FLG_RSVD            = 63
 337 };
 338
 339 /* for ice_32byte_rx_flex_desc.ptype_flexi_flags0 member */
 340 #define ICE_RX_FLEX_DESC_PTYPE_M        (0x3FF) /* 10-bits */
 341
 342 /* for ice_32byte_rx_flex_desc.pkt_length member */
 343 #define ICE_RX_FLX_DESC_PKT_LEN_M       (0x3FFF) /* 14-bits */
 344
 345 enum ice_rx_flex_desc_status_error_0_bits {
 346         /* Note: These are predefined bit offsets */
 347         ICE_RX_FLEX_DESC_STATUS0_DD_S = 0,
 348         ICE_RX_FLEX_DESC_STATUS0_EOF_S,
 349         ICE_RX_FLEX_DESC_STATUS0_HBO_S,
 350         ICE_RX_FLEX_DESC_STATUS0_L3L4P_S,
 351         ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
 352         ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
 353         ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
 354         ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
 355         ICE_RX_FLEX_DESC_STATUS0_LPBK_S,
 356         ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
 357         ICE_RX_FLEX_DESC_STATUS0_RXE_S,
 358         ICE_RX_FLEX_DESC_STATUS0_CRCP_S,
 359         ICE_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
 360         ICE_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
 361         ICE_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
 362         ICE_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
 363         ICE_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
 364 };
 365
 366 enum ice_rx_flex_desc_status_error_1_bits {
 367         /* Note: These are predefined bit offsets */
 368         ICE_RX_FLEX_DESC_STATUS1_NAT_S = 4,
 369          /* [10:5] reserved */
 370         ICE_RX_FLEX_DESC_STATUS1_L2TAG2P_S = 11,
 371         ICE_RX_FLEX_DESC_STATUS1_LAST /* this entry must be last!!! */
 372 };
 373
 374 #define ICE_RXQ_CTX_SIZE_DWORDS         8
 375 #define ICE_RXQ_CTX_SZ                  (ICE_RXQ_CTX_SIZE_DWORDS * sizeof(u32))
 376 #define ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS  22
 377 #define ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS 5
 378 #define GLTCLAN_CQ_CNTX(i, CQ)          (GLTCLAN_CQ_CNTX0(CQ) + ((i) * 0x0800))
 379
 380 /* RLAN Rx queue context data
 381  *
 382  * The sizes of the variables may be larger than needed due to crossing byte
 383  * boundaries. If we do not have the width of the variable set to the correct
 384  * size then we could end up shifting bits off the top of the variable when the
 385  * variable is at the top of a byte and crosses over into the next byte.
 386  */
 387 struct ice_rlan_ctx {
 388         u16 head;
 389         u16 cpuid; /* bigger than needed, see above for reason */
 390 #define ICE_RLAN_BASE_S 7
 391         u64 base;
 392         u16 qlen;
 393 #define ICE_RLAN_CTX_DBUF_S 7
 394         u16 dbuf; /* bigger than needed, see above for reason */
 395 #define ICE_RLAN_CTX_HBUF_S 6
 396         u16 hbuf; /* bigger than needed, see above for reason */
 397         u8 dtype;
 398         u8 dsize;
 399         u8 crcstrip;
 400         u8 l2tsel;
 401         u8 hsplit_0;
 402         u8 hsplit_1;
 403         u8 showiv;
 404         u32 rxmax; /* bigger than needed, see above for reason */
 405         u8 tphrdesc_ena;
 406         u8 tphwdesc_ena;
 407         u8 tphdata_ena;
 408         u8 tphhead_ena;
 409         u16 lrxqthresh; /* bigger than needed, see above for reason */
 410         u8 prefena;     /* NOTE: normally must be set to 1 at init */
 411 };
 412
 413 struct ice_ctx_ele {
 414         u16 offset;
 415         u16 size_of;
 416         u16 width;
 417         u16 lsb;
 418 };
 419
 420 #define ICE_CTX_STORE(_struct, _ele, _width, _lsb) {    \
 421         .offset = offsetof(struct _struct, _ele),       \
 422         .size_of = sizeof_field(struct _struct, _ele),  \
 423         .width = _width,                                \
 424         .lsb = _lsb,                                    \
 425 }
 426
 427 /* for hsplit_0 field of Rx RLAN context */
 428 enum ice_rlan_ctx_rx_hsplit_0 {
 429         ICE_RLAN_RX_HSPLIT_0_NO_SPLIT           = 0,
 430         ICE_RLAN_RX_HSPLIT_0_SPLIT_L2           = 1,
 431         ICE_RLAN_RX_HSPLIT_0_SPLIT_IP           = 2,
 432         ICE_RLAN_RX_HSPLIT_0_SPLIT_TCP_UDP      = 4,
 433         ICE_RLAN_RX_HSPLIT_0_SPLIT_SCTP         = 8,
 434 };
 435
 436 /* for hsplit_1 field of Rx RLAN context */
 437 enum ice_rlan_ctx_rx_hsplit_1 {
 438         ICE_RLAN_RX_HSPLIT_1_NO_SPLIT           = 0,
 439         ICE_RLAN_RX_HSPLIT_1_SPLIT_L2           = 1,
 440         ICE_RLAN_RX_HSPLIT_1_SPLIT_ALWAYS       = 2,
 441 };
 442
 443 /* Tx Descriptor */
 444 struct ice_tx_desc {
 445         __le64 buf_addr; /* Address of descriptor's data buf */
 446         __le64 cmd_type_offset_bsz;
 447 };
 448
 449 enum ice_tx_desc_dtype_value {
 450         ICE_TX_DESC_DTYPE_DATA          = 0x0,
 451         ICE_TX_DESC_DTYPE_CTX           = 0x1,
 452         ICE_TX_DESC_DTYPE_FLTR_PROG     = 0x8,
 453         /* DESC_DONE - HW has completed write-back of descriptor */
 454         ICE_TX_DESC_DTYPE_DESC_DONE     = 0xF,
 455 };
 456
 457 #define ICE_TXD_QW1_CMD_S       4
 458 #define ICE_TXD_QW1_CMD_M       (0xFFFUL << ICE_TXD_QW1_CMD_S)
 459
 460 enum ice_tx_desc_cmd_bits {
 461         ICE_TX_DESC_CMD_EOP                     = 0x0001,
 462         ICE_TX_DESC_CMD_RS                      = 0x0002,
 463         ICE_TX_DESC_CMD_IL2TAG1                 = 0x0008,
 464         ICE_TX_DESC_CMD_DUMMY                   = 0x0010,
 465         ICE_TX_DESC_CMD_IIPT_IPV6               = 0x0020,
 466         ICE_TX_DESC_CMD_IIPT_IPV4               = 0x0040,
 467         ICE_TX_DESC_CMD_IIPT_IPV4_CSUM          = 0x0060,
 468         ICE_TX_DESC_CMD_L4T_EOFT_TCP            = 0x0100,
 469         ICE_TX_DESC_CMD_L4T_EOFT_SCTP           = 0x0200,
 470         ICE_TX_DESC_CMD_L4T_EOFT_UDP            = 0x0300,
 471         ICE_TX_DESC_CMD_RE                      = 0x0400,
 472 };
 473
 474 #define ICE_TXD_QW1_OFFSET_S    16
 475 #define ICE_TXD_QW1_OFFSET_M    (0x3FFFFULL << ICE_TXD_QW1_OFFSET_S)
 476
 477 enum ice_tx_desc_len_fields {
 478         /* Note: These are predefined bit offsets */
 479         ICE_TX_DESC_LEN_MACLEN_S        = 0, /* 7 BITS */
 480         ICE_TX_DESC_LEN_IPLEN_S = 7, /* 7 BITS */
 481         ICE_TX_DESC_LEN_L4_LEN_S        = 14 /* 4 BITS */
 482 };
 483
 484 #define ICE_TXD_QW1_MACLEN_M (0x7FUL << ICE_TX_DESC_LEN_MACLEN_S)
 485 #define ICE_TXD_QW1_IPLEN_M  (0x7FUL << ICE_TX_DESC_LEN_IPLEN_S)
 486 #define ICE_TXD_QW1_L4LEN_M  (0xFUL << ICE_TX_DESC_LEN_L4_LEN_S)
 487
 488 /* Tx descriptor field limits in bytes */
 489 #define ICE_TXD_MACLEN_MAX ((ICE_TXD_QW1_MACLEN_M >> \
 490                              ICE_TX_DESC_LEN_MACLEN_S) * ICE_BYTES_PER_WORD)
 491 #define ICE_TXD_IPLEN_MAX ((ICE_TXD_QW1_IPLEN_M >> \
 492                             ICE_TX_DESC_LEN_IPLEN_S) * ICE_BYTES_PER_DWORD)
 493 #define ICE_TXD_L4LEN_MAX ((ICE_TXD_QW1_L4LEN_M >> \
 494                             ICE_TX_DESC_LEN_L4_LEN_S) * ICE_BYTES_PER_DWORD)
 495
 496 #define ICE_TXD_QW1_TX_BUF_SZ_S 34
 497 #define ICE_TXD_QW1_L2TAG1_S    48
 498
 499 /* Context descriptors */
 500 struct ice_tx_ctx_desc {
 501         __le32 tunneling_params;
 502         __le16 l2tag2;
 503         __le16 rsvd;
 504         __le64 qw1;
 505 };
 506
 507 #define ICE_TXD_CTX_QW1_CMD_S   4
 508 #define ICE_TXD_CTX_QW1_CMD_M   (0x7FUL << ICE_TXD_CTX_QW1_CMD_S)
 509
 510 #define ICE_TXD_CTX_QW1_TSO_LEN_S       30
 511 #define ICE_TXD_CTX_QW1_TSO_LEN_M       \
 512                         (0x3FFFFULL << ICE_TXD_CTX_QW1_TSO_LEN_S)
 513
 514 #define ICE_TXD_CTX_QW1_MSS_S   50
 515 #define ICE_TXD_CTX_MIN_MSS     64
 516
 517 #define ICE_TXD_CTX_QW1_VSI_S   50
 518 #define ICE_TXD_CTX_QW1_VSI_M   (0x3FFULL << ICE_TXD_CTX_QW1_VSI_S)
 519
 520 enum ice_tx_ctx_desc_cmd_bits {
 521         ICE_TX_CTX_DESC_TSO             = 0x01,
 522         ICE_TX_CTX_DESC_TSYN            = 0x02,
 523         ICE_TX_CTX_DESC_IL2TAG2         = 0x04,
 524         ICE_TX_CTX_DESC_IL2TAG2_IL2H    = 0x08,
 525         ICE_TX_CTX_DESC_SWTCH_NOTAG     = 0x00,
 526         ICE_TX_CTX_DESC_SWTCH_UPLINK    = 0x10,
 527         ICE_TX_CTX_DESC_SWTCH_LOCAL     = 0x20,
 528         ICE_TX_CTX_DESC_SWTCH_VSI       = 0x30,
 529         ICE_TX_CTX_DESC_RESERVED        = 0x40
 530 };
 531
 532 enum ice_tx_ctx_desc_eipt_offload {
 533         ICE_TX_CTX_EIPT_NONE            = 0x0,
 534         ICE_TX_CTX_EIPT_IPV6            = 0x1,
 535         ICE_TX_CTX_EIPT_IPV4_NO_CSUM    = 0x2,
 536         ICE_TX_CTX_EIPT_IPV4            = 0x3
 537 };
 538
 539 #define ICE_TXD_CTX_QW0_EIPLEN_S        2
 540
 541 #define ICE_TXD_CTX_QW0_L4TUNT_S        9
 542
 543 #define ICE_TXD_CTX_UDP_TUNNELING       BIT_ULL(ICE_TXD_CTX_QW0_L4TUNT_S)
 544 #define ICE_TXD_CTX_GRE_TUNNELING       (0x2ULL << ICE_TXD_CTX_QW0_L4TUNT_S)
 545
 546 #define ICE_TXD_CTX_QW0_NATLEN_S        12
 547
 548 #define ICE_TXD_CTX_QW0_L4T_CS_S        23
 549 #define ICE_TXD_CTX_QW0_L4T_CS_M        BIT_ULL(ICE_TXD_CTX_QW0_L4T_CS_S)
 550
 551 #define ICE_LAN_TXQ_MAX_QGRPS   127
 552 #define ICE_LAN_TXQ_MAX_QDIS    1023
 553
 554 /* Tx queue context data
 555  *
 556  * The sizes of the variables may be larger than needed due to crossing byte
 557  * boundaries. If we do not have the width of the variable set to the correct
 558  * size then we could end up shifting bits off the top of the variable when the
 559  * variable is at the top of a byte and crosses over into the next byte.
 560  */
 561 struct ice_tlan_ctx {
 562 #define ICE_TLAN_CTX_BASE_S     7
 563         u64 base;               /* base is defined in 128-byte units */
 564         u8 port_num;
 565         u16 cgd_num;            /* bigger than needed, see above for reason */
 566         u8 pf_num;
 567         u16 vmvf_num;
 568         u8 vmvf_type;
 569 #define ICE_TLAN_CTX_VMVF_TYPE_VF       0
 570 #define ICE_TLAN_CTX_VMVF_TYPE_VMQ      1
 571 #define ICE_TLAN_CTX_VMVF_TYPE_PF       2
 572         u16 src_vsi;
 573         u8 tsyn_ena;
 574         u8 internal_usage_flag;
 575         u8 alt_vlan;
 576         u16 cpuid;              /* bigger than needed, see above for reason */
 577         u8 wb_mode;
 578         u8 tphrd_desc;
 579         u8 tphrd;
 580         u8 tphwr_desc;
 581         u16 cmpq_id;
 582         u16 qnum_in_func;
 583         u8 itr_notification_mode;
 584         u8 adjust_prof_id;
 585         u32 qlen;               /* bigger than needed, see above for reason */
 586         u8 quanta_prof_idx;
 587         u8 tso_ena;
 588         u16 tso_qnum;
 589         u8 legacy_int;
 590         u8 drop_ena;
 591         u8 cache_prof_idx;
 592         u8 pkt_shaper_prof_idx;
 593         u8 int_q_state; /* width not needed - internal - DO NOT WRITE!!! */
 594 };
 595
 596 #endif /* _ICE_LAN_TX_RX_H_ */