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_ */ 597