1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, v.1, (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://opensource.org/licenses/CDDL-1.0. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2014-2017 Cavium, Inc. 24 * The contents of this file are subject to the terms of the Common Development 25 * and Distribution License, v.1, (the "License"). 26 27 * You may not use this file except in compliance with the License. 28 29 * You can obtain a copy of the License at available 30 * at http://opensource.org/licenses/CDDL-1.0 31 32 * See the License for the specific language governing permissions and 33 * limitations under the License. 34 */ 35 36 #ifndef __ETH_COMMON__ 37 #define __ETH_COMMON__ 38 /********************/ 39 /* ETH FW CONSTANTS */ 40 /********************/ 41 42 /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major && fwVer.minor >= drvVer.minor) */ 43 #define ETH_HSI_VER_MAJOR 3 /* ETH FP HSI Major version */ 44 #define ETH_HSI_VER_MINOR 10 /* ETH FP HSI Minor version */ 45 46 #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5 /* Alias for 8.7.x.x/8.8.x.x ETH FP HSI MINOR version. In this version driver is not required to set pkt_len field in eth_tx_1st_bd struct, and tunneling offload is not supported. */ 47 48 #define ETH_CACHE_LINE_SIZE 64 49 #define ETH_RX_CQE_GAP 32 50 #define ETH_MAX_RAMROD_PER_CON 8 51 #define ETH_TX_BD_PAGE_SIZE_BYTES 4096 52 #define ETH_RX_BD_PAGE_SIZE_BYTES 4096 53 #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096 54 #define ETH_RX_NUM_NEXT_PAGE_BDS 2 55 56 /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP header (relevant to LSO for tunneled packet): */ 57 #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253 /* Offset is limited to 253 bytes (inclusive). */ 58 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251 /* Offset is limited to 251 bytes (inclusive). */ 59 60 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1 61 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18 62 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255 63 #define ETH_TX_MAX_LSO_HDR_NBD 4 64 #define ETH_TX_MIN_BDS_PER_LSO_PKT 3 65 #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3 66 #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2 67 #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2 68 #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8)) /* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) - (VLAN-TAG + CRC + IPG + PREAMBLE) */ 69 #define ETH_TX_MAX_LSO_HDR_BYTES 510 70 #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1) /* Number of BDs to consider for LSO sliding window restriction is (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd) */ 71 #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 /* Minimum data length (in bytes) in LSO sliding window */ 72 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 /* Maximum LSO packet TCP payload length (in bytes) */ 73 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 /* Number of same-as-last resources in tx switching */ 74 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF /* Value for a connection for which same as last feature is disabled */ 75 76 #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS /* Maximum number of statistics counters */ 77 #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS/2) /* Maximum number of statistics counters when doubled VF zone used */ 78 #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - 3*MAX_NUM_VFS/4) /* Maximum number of statistics counters when quad VF zone used */ 79 80 #define ETH_RX_MAX_BUFF_PER_PKT 5 /* Maximum number of buffers, used for RX packet placement */ 81 #define ETH_RX_BD_THRESHOLD 12 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least one RX packet. */ 82 83 /* num of MAC/VLAN filters */ 84 #define ETH_NUM_MAC_FILTERS 512 85 #define ETH_NUM_VLAN_FILTERS 512 86 87 /* approx. multicast constants */ 88 #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0 /* CRC seed for multicast bin calculation */ 89 #define ETH_MULTICAST_MAC_BINS 256 90 #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32) 91 92 /* ethernet vport update constants */ 93 #define ETH_FILTER_RULES_COUNT 10 94 #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128 /* number of RSS indirection table entries, per Vport) */ 95 #define ETH_RSS_KEY_SIZE_REGS 10 /* Length of RSS key (in regs) */ 96 #define ETH_RSS_ENGINE_NUM_K2 207 /* number of available RSS engines in K2 */ 97 #define ETH_RSS_ENGINE_NUM_BB 127 /* number of available RSS engines in BB */ 98 99 /* TPA constants */ 100 #define ETH_TPA_MAX_AGGS_NUM 64 /* Maximum number of open TPA aggregations */ 101 #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT /* Maximum number of additional buffers, reported by TPA-start CQE */ 102 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 /* Maximum number of buffers, reported by TPA-continue CQE */ 103 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 /* Maximum number of buffers, reported by TPA-end CQE */ 104 105 /* Control frame check constants */ 106 #define ETH_CTL_FRAME_ETH_TYPE_NUM 4 /* Number of etherType values configured by the driver for control frame check */ 107 108 109 110 /* 111 * Destination port mode 112 */ 113 enum dest_port_mode 114 { 115 DEST_PORT_PHY /* Send to physical port. */, 116 DEST_PORT_LOOPBACK /* Send to loopback port. */, 117 DEST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */, 118 DEST_PORT_DROP /* Drop the packet in PBF. */, 119 MAX_DEST_PORT_MODE 120 }; 121 122 123 /* 124 * Ethernet address type 125 */ 126 enum eth_addr_type 127 { 128 BROADCAST_ADDRESS, 129 MULTICAST_ADDRESS, 130 UNICAST_ADDRESS, 131 UNKNOWN_ADDRESS, 132 MAX_ETH_ADDR_TYPE 133 }; 134 135 136 struct eth_tx_1st_bd_flags 137 { 138 u8 bitfields; 139 #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1 /* Set to 1 in the first BD. (for debug) */ 140 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0 141 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1 /* Do not allow additional VLAN manipulations on this packet. */ 142 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1 143 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */ 144 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2 145 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1 /* Recalculate TCP/UDP checksum. For tunneled packet - relevant to inner header. */ 146 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3 147 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1 /* If set, insert VLAN tag from vlan field to the packet. For tunneled packet - relevant to outer header. */ 148 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4 149 #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1 /* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively) bytes, inclusive. */ 150 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5 151 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */ 152 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6 153 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */ 154 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7 155 }; 156 157 /* 158 * The parsing information data for the first tx bd of a given packet. 159 */ 160 struct eth_tx_data_1st_bd 161 { 162 __le16 vlan /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */; 163 u8 nbds /* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least 3 in LSO (or Tunnel with IPv6+ext) packet. */; 164 struct eth_tx_1st_bd_flags bd_flags; 165 __le16 bitfields; 166 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1 /* Indicates a tunneled packet. Must be set for encapsulated packet. */ 167 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0 168 #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1 169 #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1 170 #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF /* Total packet length - must be filled for non-LSO packets. */ 171 #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2 172 }; 173 174 /* 175 * The parsing information data for the second tx bd of a given packet. 176 */ 177 struct eth_tx_data_2nd_bd 178 { 179 __le16 tunn_ip_size /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */; 180 __le16 bitfields1; 181 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF /* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */ 182 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0 183 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type (use enum eth_addr_type) */ 184 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4 185 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3 /* Destination port mode. (use enum dest_port_mode) */ 186 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6 187 #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 188 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8 189 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */ 190 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9 191 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */ 192 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11 193 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1 /* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension. Otherwise set to 1 if the header is IPv6 with extension. */ 194 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12 195 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1 /* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext) */ 196 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13 197 #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1 /* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with inner or outer Ipv6+ext) and l4_csum is set) */ 198 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14 199 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1 /* The pseudo header checksum type in the L4 checksum field. Required when IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode) */ 200 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15 201 __le16 bitfields2; 202 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF /* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs). For regular packet - offset from the beginning of the packet. For tunneled packet - offset from the beginning of the inner header */ 203 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0 204 #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7 205 #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13 206 }; 207 208 /* 209 * Firmware data for L2-EDPM packet. 210 */ 211 struct eth_edpm_fw_data 212 { 213 struct eth_tx_data_1st_bd data_1st_bd /* Parsing information data from the 1st BD. */; 214 struct eth_tx_data_2nd_bd data_2nd_bd /* Parsing information data from the 2nd BD. */; 215 __le32 reserved; 216 }; 217 218 219 /* 220 * FW debug. 221 */ 222 struct eth_fast_path_cqe_fw_debug 223 { 224 __le16 reserved2 /* FW reserved. */; 225 }; 226 227 228 /* 229 * tunneling parsing flags 230 */ 231 struct eth_tunnel_parsing_flags 232 { 233 u8 flags; 234 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN (use enum eth_rx_tunn_type) */ 235 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0 236 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 /* If it s not an encapsulated packet then put 0x0. If it s an encapsulated packet but the tenant-id doesn t exist then put 0x0. Else put 0x1 */ 237 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2 238 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 /* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4, 3 - IPv6 (use enum tunnel_next_protocol) */ 239 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3 240 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 /* The result of comparing the DA-ip of the tunnel header. */ 241 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5 242 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1 243 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6 244 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1 245 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7 246 }; 247 248 /* 249 * PMD flow control bits 250 */ 251 struct eth_pmd_flow_flags 252 { 253 u8 flags; 254 #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */ 255 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0 256 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */ 257 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1 258 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F 259 #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2 260 }; 261 262 /* 263 * Regular ETH Rx FP CQE. 264 */ 265 struct eth_fast_path_rx_reg_cqe 266 { 267 u8 type /* CQE type */; 268 u8 bitfields; 269 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */ 270 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0 271 #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF /* Traffic Class */ 272 #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3 273 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1 274 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7 275 __le16 pkt_len /* Total packet length (from the parser) */; 276 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */; 277 __le16 vlan_tag /* 802.1q VLAN tag */; 278 __le32 rss_hash /* RSS hash result */; 279 __le16 len_on_first_bd /* Number of bytes placed on first BD */; 280 u8 placement_offset /* Offset of placement from BD start */; 281 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */; 282 u8 bd_num /* Number of BDs, used for packet */; 283 u8 reserved[9]; 284 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; 285 u8 reserved1[3]; 286 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 287 }; 288 289 290 /* 291 * TPA-continue ETH Rx FP CQE. 292 */ 293 struct eth_fast_path_rx_tpa_cont_cqe 294 { 295 u8 type /* CQE type */; 296 u8 tpa_agg_index /* TPA aggregation index */; 297 __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* List of the segment sizes */; 298 u8 reserved; 299 u8 reserved1 /* FW reserved. */; 300 __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */; 301 u8 reserved3[3]; 302 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 303 }; 304 305 306 /* 307 * TPA-end ETH Rx FP CQE . 308 */ 309 struct eth_fast_path_rx_tpa_end_cqe 310 { 311 u8 type /* CQE type */; 312 u8 tpa_agg_index /* TPA aggregation index */; 313 __le16 total_packet_len /* Total aggregated packet length */; 314 u8 num_of_bds /* Total number of BDs comprising the packet */; 315 u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */; 316 __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */; 317 __le32 ts_delta /* TCP timestamp delta */; 318 __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* List of the segment sizes */; 319 __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */; 320 __le16 reserved1; 321 u8 reserved2 /* FW reserved. */; 322 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 323 }; 324 325 326 /* 327 * TPA-start ETH Rx FP CQE. 328 */ 329 struct eth_fast_path_rx_tpa_start_cqe 330 { 331 u8 type /* CQE type */; 332 u8 bitfields; 333 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */ 334 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0 335 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF /* Traffic Class */ 336 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3 337 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1 338 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7 339 __le16 seg_len /* Segment length (packetLen from the parser) */; 340 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */; 341 __le16 vlan_tag /* 802.1q VLAN tag */; 342 __le32 rss_hash /* RSS hash result */; 343 __le16 len_on_first_bd /* Number of bytes placed on first BD */; 344 u8 placement_offset /* Offset of placement from BD start */; 345 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */; 346 u8 tpa_agg_index /* TPA aggregation index */; 347 u8 header_len /* Packet L2+L3+L4 header length */; 348 __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE] /* Additional BDs length list. */; 349 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; 350 u8 reserved; 351 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 352 }; 353 354 355 /* 356 * The L4 pseudo checksum mode for Ethernet 357 */ 358 enum eth_l4_pseudo_checksum_mode 359 { 360 ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH /* Pseudo Header checksum on packet is calculated with the correct packet length field. */, 361 ETH_L4_PSEUDO_CSUM_ZERO_LENGTH /* Pseudo Header checksum on packet is calculated with zero length field. */, 362 MAX_ETH_L4_PSEUDO_CHECKSUM_MODE 363 }; 364 365 366 367 struct eth_rx_bd 368 { 369 struct regpair addr /* single continues buffer */; 370 }; 371 372 373 /* 374 * regular ETH Rx SP CQE 375 */ 376 struct eth_slow_path_rx_cqe 377 { 378 u8 type /* CQE type */; 379 u8 ramrod_cmd_id; 380 u8 error_flag; 381 u8 reserved[25]; 382 __le16 echo; 383 u8 reserved1; 384 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 385 }; 386 387 /* 388 * union for all ETH Rx CQE types 389 */ 390 union eth_rx_cqe 391 { 392 struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */; 393 struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start /* TPA-start CQE */; 394 struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont /* TPA-continue CQE */; 395 struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */; 396 struct eth_slow_path_rx_cqe slow_path /* SP CQE */; 397 }; 398 399 400 /* 401 * ETH Rx CQE type 402 */ 403 enum eth_rx_cqe_type 404 { 405 ETH_RX_CQE_TYPE_UNUSED, 406 ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */, 407 ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */, 408 ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */, 409 ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */, 410 ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */, 411 MAX_ETH_RX_CQE_TYPE 412 }; 413 414 415 /* 416 * Wrapper for PD RX CQE - used in order to cover full cache line when writing CQE 417 */ 418 struct eth_rx_pmd_cqe 419 { 420 union eth_rx_cqe cqe /* CQE data itself */; 421 u8 reserved[ETH_RX_CQE_GAP]; 422 }; 423 424 425 /* 426 * Eth RX Tunnel Type 427 */ 428 enum eth_rx_tunn_type 429 { 430 ETH_RX_NO_TUNN /* No Tunnel. */, 431 ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */, 432 ETH_RX_TUNN_GRE /* GRE Tunnel. */, 433 ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */, 434 MAX_ETH_RX_TUNN_TYPE 435 }; 436 437 438 439 /* 440 * Aggregation end reason. 441 */ 442 enum eth_tpa_end_reason 443 { 444 ETH_AGG_END_UNUSED, 445 ETH_AGG_END_SP_UPDATE /* SP configuration update */, 446 ETH_AGG_END_MAX_LEN /* Maximum aggregation length or maximum buffer number used. */, 447 ETH_AGG_END_LAST_SEG /* TCP PSH flag or TCP payload length below continue threshold. */, 448 ETH_AGG_END_TIMEOUT /* Timeout expiration. */, 449 ETH_AGG_END_NOT_CONSISTENT /* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC, Hop limit or Flow label, TCP header length or TS options. In GRO different TS value, SMAC, DMAC, ackNum, windowSize or VLAN */, 450 ETH_AGG_END_OUT_OF_ORDER /* Out of order or retransmission packet: sequence, ack or timestamp not consistent with previous segment. */, 451 ETH_AGG_END_NON_TPA_SEG /* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4 options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP payload length , TCP flags or not supported tunnel header options. */, 452 MAX_ETH_TPA_END_REASON 453 }; 454 455 456 457 /* 458 * The first tx bd of a given packet 459 */ 460 struct eth_tx_1st_bd 461 { 462 struct regpair addr /* Single continuous buffer */; 463 __le16 nbytes /* Number of bytes in this BD. */; 464 struct eth_tx_data_1st_bd data /* Parsing information data. */; 465 }; 466 467 468 469 /* 470 * The second tx bd of a given packet 471 */ 472 struct eth_tx_2nd_bd 473 { 474 struct regpair addr /* Single continuous buffer */; 475 __le16 nbytes /* Number of bytes in this BD. */; 476 struct eth_tx_data_2nd_bd data /* Parsing information data. */; 477 }; 478 479 480 /* 481 * The parsing information data for the third tx bd of a given packet. 482 */ 483 struct eth_tx_data_3rd_bd 484 { 485 __le16 lso_mss /* For LSO packet - the MSS in bytes. */; 486 __le16 bitfields; 487 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF /* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */ 488 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0 489 #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF /* LSO - number of BDs which contain headers. value should be in range (1..ETH_TX_MAX_LSO_HDR_NBD). */ 490 #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4 491 #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 492 #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8 493 #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F 494 #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9 495 u8 tunn_l4_hdr_start_offset_w /* For tunnel with IPv6+ext - Pointer to the tunnel L4 Header (in 2-byte WORDs) */; 496 u8 tunn_hdr_size_w /* For tunnel with IPv6+ext - Total size of the Tunnel Header (in 2-byte WORDs) */; 497 }; 498 499 /* 500 * The third tx bd of a given packet 501 */ 502 struct eth_tx_3rd_bd 503 { 504 struct regpair addr /* Single continuous buffer */; 505 __le16 nbytes /* Number of bytes in this BD. */; 506 struct eth_tx_data_3rd_bd data /* Parsing information data. */; 507 }; 508 509 510 /* 511 * Complementary information for the regular tx bd of a given packet. 512 */ 513 struct eth_tx_data_bd 514 { 515 __le16 reserved0; 516 __le16 bitfields; 517 #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF 518 #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0 519 #define ETH_TX_DATA_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 520 #define ETH_TX_DATA_BD_START_BD_SHIFT 8 521 #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F 522 #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9 523 __le16 reserved3; 524 }; 525 526 /* 527 * The common regular TX BD ring element 528 */ 529 struct eth_tx_bd 530 { 531 struct regpair addr /* Single continuous buffer */; 532 __le16 nbytes /* Number of bytes in this BD. */; 533 struct eth_tx_data_bd data /* Complementary information. */; 534 }; 535 536 537 union eth_tx_bd_types 538 { 539 struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */; 540 struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */; 541 struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */; 542 struct eth_tx_bd reg_bd /* The common non-special bd */; 543 }; 544 545 546 547 548 549 550 /* 551 * Eth Tx Tunnel Type 552 */ 553 enum eth_tx_tunn_type 554 { 555 ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */, 556 ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */, 557 ETH_TX_TUNN_GRE /* GRE Tunnel. */, 558 ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */, 559 MAX_ETH_TX_TUNN_TYPE 560 }; 561 562 563 /* 564 * Ystorm Queue Zone 565 */ 566 struct xstorm_eth_queue_zone 567 { 568 struct coalescing_timeset int_coalescing_timeset /* Tx interrupt coalescing TimeSet */; 569 u8 reserved[7]; 570 }; 571 572 573 /* 574 * ETH doorbell data 575 */ 576 struct eth_db_data 577 { 578 u8 params; 579 #define ETH_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */ 580 #define ETH_DB_DATA_DEST_SHIFT 0 581 #define ETH_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */ 582 #define ETH_DB_DATA_AGG_CMD_SHIFT 2 583 #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */ 584 #define ETH_DB_DATA_BYPASS_EN_SHIFT 4 585 #define ETH_DB_DATA_RESERVED_MASK 0x1 586 #define ETH_DB_DATA_RESERVED_SHIFT 5 587 #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */ 588 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6 589 u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */; 590 __le16 bd_prod; 591 }; 592 593 #endif /* __ETH_COMMON__ */ 594