drivers/net/iavf/iavf_hash.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12
  13 #include <rte_debug.h>
  14 #include <rte_ether.h>
  15 #include <rte_ethdev_driver.h>
  16 #include <rte_log.h>
  17 #include <rte_malloc.h>
  18 #include <rte_eth_ctrl.h>
  19 #include <rte_tailq.h>
  20 #include <rte_flow_driver.h>
  21
  22 #include "iavf_log.h"
  23 #include "iavf.h"
  24 #include "iavf_generic_flow.h"
  25
  26 enum iavf_pattern_hint_type {
  27         IAVF_PATTERN_HINT_NONE,
  28         IAVF_PATTERN_HINT_IPV4,
  29         IAVF_PATTERN_HINT_IPV4_UDP,
  30         IAVF_PATTERN_HINT_IPV4_TCP,
  31         IAVF_PATTERN_HINT_IPV4_SCTP,
  32         IAVF_PATTERN_HINT_IPV6,
  33         IAVF_PATTERN_HINT_IPV6_UDP,
  34         IAVF_PATTERN_HINT_IPV6_TCP,
  35         IAVF_PATTERN_HINT_IPV6_SCTP,
  36 };
  37
  38 struct iavf_pattern_match_type {
  39         enum iavf_pattern_hint_type phint_type;
  40 };
  41
  42 struct iavf_hash_match_type {
  43         enum iavf_pattern_hint_type phint_type;
  44         uint64_t hash_type;
  45         struct virtchnl_proto_hdrs *proto_hdrs;
  46 };
  47
  48 struct iavf_rss_meta {
  49         struct virtchnl_proto_hdrs *proto_hdrs;
  50         uint32_t hash_function;
  51 };
  52
  53 struct iavf_hash_flow_cfg {
  54         struct virtchnl_rss_cfg *rss_cfg;
  55         bool simple_xor;
  56 };
  57
  58 static int
  59 iavf_hash_init(struct iavf_adapter *ad);
  60 static int
  61 iavf_hash_create(struct iavf_adapter *ad, struct rte_flow *flow, void *meta,
  62                  struct rte_flow_error *error);
  63 static int
  64 iavf_hash_destroy(struct iavf_adapter *ad, struct rte_flow *flow,
  65                   struct rte_flow_error *error);
  66 static void
  67 iavf_hash_uninit(struct iavf_adapter *ad);
  68 static void
  69 iavf_hash_free(struct rte_flow *flow);
  70 static int
  71 iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
  72                                struct iavf_pattern_match_item *array,
  73                                uint32_t array_len,
  74                                const struct rte_flow_item pattern[],
  75                                const struct rte_flow_action actions[],
  76                                void **meta,
  77                                struct rte_flow_error *error);
  78
  79 struct iavf_pattern_match_type phint_empty = {
  80         IAVF_PATTERN_HINT_NONE};
  81 struct iavf_pattern_match_type phint_eth_ipv4 = {
  82         IAVF_PATTERN_HINT_IPV4};
  83 struct iavf_pattern_match_type phint_eth_ipv4_udp = {
  84         IAVF_PATTERN_HINT_IPV4_UDP};
  85 struct iavf_pattern_match_type phint_eth_ipv4_tcp = {
  86         IAVF_PATTERN_HINT_IPV4_TCP};
  87 struct iavf_pattern_match_type phint_eth_ipv4_sctp = {
  88         IAVF_PATTERN_HINT_IPV4_SCTP};
  89 struct iavf_pattern_match_type phint_eth_ipv4_gtpu_eh = {
  90         IAVF_PATTERN_HINT_IPV4_UDP};
  91 struct iavf_pattern_match_type phint_eth_ipv4_esp = {
  92         IAVF_PATTERN_HINT_IPV4};
  93 struct iavf_pattern_match_type phint_eth_ipv4_ah = {
  94         IAVF_PATTERN_HINT_IPV4};
  95 struct iavf_pattern_match_type phint_eth_ipv4_l2tpv3 = {
  96         IAVF_PATTERN_HINT_IPV4};
  97 struct iavf_pattern_match_type phint_eth_ipv4_pfcp = {
  98         IAVF_PATTERN_HINT_IPV4_UDP};
  99 struct iavf_pattern_match_type phint_eth_ipv6 = {
 100         IAVF_PATTERN_HINT_IPV6};
 101 struct iavf_pattern_match_type phint_eth_ipv6_udp = {
 102         IAVF_PATTERN_HINT_IPV6_UDP};
 103 struct iavf_pattern_match_type phint_eth_ipv6_tcp = {
 104         IAVF_PATTERN_HINT_IPV6_TCP};
 105 struct iavf_pattern_match_type phint_eth_ipv6_sctp = {
 106         IAVF_PATTERN_HINT_IPV6_SCTP};
 107 struct iavf_pattern_match_type phint_eth_ipv6_esp = {
 108         IAVF_PATTERN_HINT_IPV6};
 109 struct iavf_pattern_match_type phint_eth_ipv6_ah = {
 110         IAVF_PATTERN_HINT_IPV6};
 111 struct iavf_pattern_match_type phint_eth_ipv6_l2tpv3 = {
 112         IAVF_PATTERN_HINT_IPV6};
 113 struct iavf_pattern_match_type phint_eth_ipv6_pfcp = {
 114         IAVF_PATTERN_HINT_IPV6_UDP};
 115
 116 /**
 117  * Supported pattern for hash.
 118  * The first member is pattern item type,
 119  * the second member is input set mask,
 120  * the third member is pattern hint for hash.
 121  */
 122 static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
 123         {iavf_pattern_eth_ipv4, IAVF_INSET_NONE, &phint_eth_ipv4},
 124         {iavf_pattern_eth_ipv4_udp, IAVF_INSET_NONE, &phint_eth_ipv4_udp},
 125         {iavf_pattern_eth_ipv4_tcp, IAVF_INSET_NONE, &phint_eth_ipv4_tcp},
 126         {iavf_pattern_eth_ipv4_sctp, IAVF_INSET_NONE, &phint_eth_ipv4_sctp},
 127         {iavf_pattern_eth_ipv6, IAVF_INSET_NONE, &phint_eth_ipv6},
 128         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4, IAVF_INSET_NONE,
 129                                                 &phint_eth_ipv4_gtpu_eh},
 130         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp, IAVF_INSET_NONE,
 131                                                 &phint_eth_ipv4_gtpu_eh},
 132         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp, IAVF_INSET_NONE,
 133                                                 &phint_eth_ipv4_gtpu_eh},
 134         {iavf_pattern_eth_ipv4_esp, IAVF_INSET_NONE, &phint_eth_ipv4_esp},
 135         {iavf_pattern_eth_ipv4_ah, IAVF_INSET_NONE, &phint_eth_ipv4_ah},
 136         {iavf_pattern_eth_ipv4_l2tpv3, IAVF_INSET_NONE,
 137                                                 &phint_eth_ipv4_l2tpv3},
 138         {iavf_pattern_eth_ipv4_pfcp, IAVF_INSET_NONE, &phint_eth_ipv4_pfcp},
 139         {iavf_pattern_eth_ipv6_udp, IAVF_INSET_NONE, &phint_eth_ipv6_udp},
 140         {iavf_pattern_eth_ipv6_tcp, IAVF_INSET_NONE, &phint_eth_ipv6_tcp},
 141         {iavf_pattern_eth_ipv6_sctp, IAVF_INSET_NONE, &phint_eth_ipv6_sctp},
 142         {iavf_pattern_eth_ipv6_esp, IAVF_INSET_NONE, &phint_eth_ipv6_esp},
 143         {iavf_pattern_eth_ipv6_ah, IAVF_INSET_NONE, &phint_eth_ipv6_ah},
 144         {iavf_pattern_eth_ipv6_l2tpv3, IAVF_INSET_NONE,
 145                                                 &phint_eth_ipv6_l2tpv3},
 146         {iavf_pattern_eth_ipv6_pfcp, IAVF_INSET_NONE, &phint_eth_ipv6_pfcp},
 147         {iavf_pattern_empty, IAVF_INSET_NONE, &phint_empty},
 148 };
 149
 150 #define GTP_EH_PDU_LINK_UP              1
 151 #define GTP_EH_PDU_LINK_DWN             0
 152
 153 #define TUNNEL_LEVEL_OUTER              0
 154 #define TUNNEL_LEVEL_FIRST_INNER        1
 155
 156 #define PROTO_COUNT_ONE                 1
 157 #define PROTO_COUNT_TWO                 2
 158 #define PROTO_COUNT_THREE               3
 159
 160 #define BUFF_NOUSED                     0
 161 #define FIELD_FOR_PROTO_ONLY            0
 162
 163 #define proto_hint_eth_src { \
 164         VIRTCHNL_PROTO_HDR_ETH, VIRTCHNL_PROTO_HDR_ETH_SRC, {BUFF_NOUSED } }
 165
 166 #define proto_hint_eth_dst { \
 167         VIRTCHNL_PROTO_HDR_ETH, VIRTCHNL_PROTO_HDR_ETH_DST, {BUFF_NOUSED } }
 168
 169 #define proto_hint_eth_only { \
 170         VIRTCHNL_PROTO_HDR_ETH, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 171
 172 #define proto_hint_eth { \
 173         VIRTCHNL_PROTO_HDR_ETH, \
 174         VIRTCHNL_PROTO_HDR_ETH_SRC | VIRTCHNL_PROTO_HDR_ETH_DST, \
 175         {BUFF_NOUSED } }
 176
 177 #define proto_hint_svlan { \
 178         VIRTCHNL_PROTO_HDR_S_VLAN, VIRTCHNL_PROTO_HDR_S_VLAN_ID, \
 179         {BUFF_NOUSED } }
 180
 181 #define proto_hint_cvlan { \
 182         VIRTCHNL_PROTO_HDR_C_VLAN, VIRTCHNL_PROTO_HDR_C_VLAN_ID, \
 183         {BUFF_NOUSED } }
 184
 185 #define proto_hint_ipv4_src { \
 186         VIRTCHNL_PROTO_HDR_IPV4, VIRTCHNL_PROTO_HDR_IPV4_SRC, {BUFF_NOUSED } }
 187
 188 #define proto_hint_ipv4_dst { \
 189         VIRTCHNL_PROTO_HDR_IPV4, VIRTCHNL_PROTO_HDR_IPV4_DST, {BUFF_NOUSED } }
 190
 191 #define proto_hint_ipv4_only { \
 192         VIRTCHNL_PROTO_HDR_IPV4, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 193
 194 #define proto_hint_ipv4 { \
 195         VIRTCHNL_PROTO_HDR_IPV4, \
 196         VIRTCHNL_PROTO_HDR_IPV4_SRC | VIRTCHNL_PROTO_HDR_IPV4_DST, \
 197         {BUFF_NOUSED } }
 198
 199 #define proto_hint_udp_src_port { \
 200         VIRTCHNL_PROTO_HDR_UDP, VIRTCHNL_PROTO_HDR_UDP_SRC_PORT, \
 201         {BUFF_NOUSED } }
 202
 203 #define proto_hint_udp_dst_port { \
 204         VIRTCHNL_PROTO_HDR_UDP, VIRTCHNL_PROTO_HDR_UDP_DST_PORT, \
 205         {BUFF_NOUSED } }
 206
 207 #define proto_hint_udp_only { \
 208         VIRTCHNL_PROTO_HDR_UDP, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 209
 210 #define proto_hint_udp { \
 211         VIRTCHNL_PROTO_HDR_UDP, \
 212         VIRTCHNL_PROTO_HDR_UDP_SRC_PORT | VIRTCHNL_PROTO_HDR_UDP_DST_PORT, \
 213         {BUFF_NOUSED } }
 214
 215 #define proto_hint_tcp_src_port { \
 216         VIRTCHNL_PROTO_HDR_TCP, VIRTCHNL_PROTO_HDR_TCP_SRC_PORT, \
 217         {BUFF_NOUSED } }
 218
 219 #define proto_hint_tcp_dst_port { \
 220         VIRTCHNL_PROTO_HDR_TCP, VIRTCHNL_PROTO_HDR_TCP_DST_PORT, \
 221         {BUFF_NOUSED } }
 222
 223 #define proto_hint_tcp_only { \
 224         VIRTCHNL_PROTO_HDR_TCP, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 225
 226 #define proto_hint_tcp { \
 227         VIRTCHNL_PROTO_HDR_TCP, \
 228         VIRTCHNL_PROTO_HDR_TCP_SRC_PORT | VIRTCHNL_PROTO_HDR_TCP_DST_PORT, \
 229         {BUFF_NOUSED } }
 230
 231 #define proto_hint_sctp_src_port { \
 232         VIRTCHNL_PROTO_HDR_SCTP, VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT, \
 233         {BUFF_NOUSED } }
 234
 235 #define proto_hint_sctp_dst_port { \
 236         VIRTCHNL_PROTO_HDR_SCTP, VIRTCHNL_PROTO_HDR_SCTP_DST_PORT, \
 237         {BUFF_NOUSED } }
 238
 239 #define proto_hint_sctp_only { \
 240         VIRTCHNL_PROTO_HDR_SCTP, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 241
 242 #define proto_hint_sctp { \
 243         VIRTCHNL_PROTO_HDR_SCTP, \
 244         VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT | VIRTCHNL_PROTO_HDR_SCTP_DST_PORT, \
 245         {BUFF_NOUSED } }
 246
 247 #define proto_hint_ipv6_src { \
 248         VIRTCHNL_PROTO_HDR_IPV6, VIRTCHNL_PROTO_HDR_IPV6_SRC, {BUFF_NOUSED } }
 249
 250 #define proto_hint_ipv6_dst { \
 251         VIRTCHNL_PROTO_HDR_IPV6, VIRTCHNL_PROTO_HDR_IPV6_DST, {BUFF_NOUSED } }
 252
 253 #define proto_hint_ipv6_only { \
 254         VIRTCHNL_PROTO_HDR_IPV6, FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 255
 256 #define proto_hint_ipv6 { \
 257         VIRTCHNL_PROTO_HDR_IPV6, \
 258         VIRTCHNL_PROTO_HDR_IPV6_SRC | VIRTCHNL_PROTO_HDR_IPV6_DST, \
 259         {BUFF_NOUSED } }
 260
 261 #define proto_hint_gtpu_up_only { \
 262         VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP, \
 263         FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 264
 265 #define proto_hint_gtpu_dwn_only { \
 266         VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN, \
 267         FIELD_FOR_PROTO_ONLY, {BUFF_NOUSED } }
 268
 269 #define proto_hint_esp { \
 270         VIRTCHNL_PROTO_HDR_ESP, \
 271         VIRTCHNL_PROTO_HDR_ESP_SPI, {BUFF_NOUSED } }
 272
 273 #define proto_hint_ah { \
 274         VIRTCHNL_PROTO_HDR_AH, \
 275         VIRTCHNL_PROTO_HDR_AH_SPI, {BUFF_NOUSED } }
 276
 277 #define proto_hint_l2tpv3 { \
 278         VIRTCHNL_PROTO_HDR_L2TPV3, \
 279         VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID, {BUFF_NOUSED } }
 280
 281 #define proto_hint_pfcp { \
 282         VIRTCHNL_PROTO_HDR_PFCP, VIRTCHNL_PROTO_HDR_PFCP_SEID, {BUFF_NOUSED } }
 283
 284 struct virtchnl_proto_hdrs hdrs_hint_eth_src = {
 285         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_eth_src }
 286 };
 287
 288 struct virtchnl_proto_hdrs hdrs_hint_eth_dst = {
 289         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_eth_dst }
 290 };
 291
 292 struct virtchnl_proto_hdrs hdrs_hint_eth = {
 293         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_eth }
 294 };
 295
 296 struct virtchnl_proto_hdrs hdrs_hint_svlan = {
 297         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_svlan }
 298 };
 299
 300 struct virtchnl_proto_hdrs hdrs_hint_cvlan = {
 301         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_cvlan }
 302 };
 303
 304 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src = {
 305         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv4_src }
 306 };
 307
 308 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst = {
 309         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv4_dst }
 310 };
 311
 312 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_gtpu_up = {
 313         TUNNEL_LEVEL_FIRST_INNER, PROTO_COUNT_TWO, {proto_hint_gtpu_up_only,
 314         proto_hint_ipv4_src }
 315 };
 316
 317 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_gtpu_dwn = {
 318         TUNNEL_LEVEL_FIRST_INNER, PROTO_COUNT_TWO, {proto_hint_gtpu_dwn_only,
 319         proto_hint_ipv4_dst }
 320 };
 321
 322 struct virtchnl_proto_hdrs hdrs_hint_ipv4_esp = {
 323         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 324         proto_hint_esp }
 325 };
 326
 327 struct virtchnl_proto_hdrs hdrs_hint_ipv4_ah = {
 328         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 329         proto_hint_ah }
 330 };
 331
 332 struct virtchnl_proto_hdrs hdrs_hint_ipv4_l2tpv3 = {
 333         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 334         proto_hint_l2tpv3 }
 335 };
 336
 337 struct virtchnl_proto_hdrs hdrs_hint_ipv4_pfcp = {
 338         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 339         proto_hint_pfcp }
 340 };
 341
 342 struct virtchnl_proto_hdrs hdrs_hint_ipv4 = {
 343         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv4 }
 344 };
 345
 346 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_udp_src_port = {
 347         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 348         proto_hint_udp_src_port }
 349 };
 350
 351 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_udp_dst_port = {
 352         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 353         proto_hint_udp_dst_port }
 354 };
 355
 356 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_udp_src_port = {
 357         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 358         proto_hint_udp_src_port }
 359 };
 360
 361 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_udp_dst_port = {
 362         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 363         proto_hint_udp_dst_port }
 364 };
 365
 366 struct virtchnl_proto_hdrs hdrs_hint_ipv4_udp_src_port = {
 367         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 368         proto_hint_udp_src_port }
 369 };
 370
 371 struct virtchnl_proto_hdrs hdrs_hint_ipv4_udp_dst_port = {
 372         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 373         proto_hint_udp_dst_port }
 374 };
 375
 376 struct virtchnl_proto_hdrs hdrs_hint_ipv4_udp = {
 377         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4,
 378         proto_hint_udp }
 379 };
 380
 381 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_tcp_src_port = {
 382         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 383         proto_hint_tcp_src_port }
 384 };
 385
 386 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_tcp_dst_port = {
 387         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 388         proto_hint_tcp_dst_port }
 389 };
 390
 391 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_tcp_src_port = {
 392         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 393         proto_hint_tcp_src_port }
 394 };
 395
 396 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_tcp_dst_port = {
 397         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 398         proto_hint_tcp_dst_port }
 399 };
 400
 401 struct virtchnl_proto_hdrs hdrs_hint_ipv4_tcp_src_port = {
 402         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 403         proto_hint_tcp_src_port }
 404 };
 405
 406 struct virtchnl_proto_hdrs hdrs_hint_ipv4_tcp_dst_port = {
 407         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 408         proto_hint_tcp_dst_port }
 409 };
 410
 411 struct virtchnl_proto_hdrs hdrs_hint_ipv4_tcp = {
 412         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4,
 413         proto_hint_tcp }
 414 };
 415
 416 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_sctp_src_port = {
 417         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 418         proto_hint_sctp_src_port }
 419 };
 420
 421 struct virtchnl_proto_hdrs hdrs_hint_ipv4_src_sctp_dst_port = {
 422         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_src,
 423         proto_hint_sctp_dst_port }
 424 };
 425
 426 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_sctp_src_port = {
 427         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 428         proto_hint_sctp_src_port }
 429 };
 430
 431 struct virtchnl_proto_hdrs hdrs_hint_ipv4_dst_sctp_dst_port = {
 432         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_dst,
 433         proto_hint_sctp_dst_port }
 434 };
 435
 436 struct virtchnl_proto_hdrs hdrs_hint_ipv4_sctp_src_port = {
 437         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 438         proto_hint_sctp_src_port }
 439 };
 440
 441 struct virtchnl_proto_hdrs hdrs_hint_ipv4_sctp_dst_port = {
 442         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4_only,
 443         proto_hint_sctp_dst_port }
 444 };
 445
 446 struct virtchnl_proto_hdrs hdrs_hint_ipv4_sctp = {
 447         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv4,
 448         proto_hint_sctp }
 449 };
 450
 451 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src = {
 452         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv6_src }
 453 };
 454
 455 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst = {
 456         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv6_dst }
 457 };
 458
 459 struct virtchnl_proto_hdrs hdrs_hint_ipv6_esp = {
 460         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_only,
 461         proto_hint_esp }
 462 };
 463
 464 struct virtchnl_proto_hdrs hdrs_hint_ipv6_ah = {
 465         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_only,
 466         proto_hint_ah }
 467 };
 468
 469 struct virtchnl_proto_hdrs hdrs_hint_ipv6_l2tpv3 = {
 470         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_only,
 471         proto_hint_l2tpv3 }
 472 };
 473
 474 struct virtchnl_proto_hdrs hdrs_hint_ipv6_pfcp = {
 475         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_only,
 476         proto_hint_pfcp }
 477 };
 478
 479 struct virtchnl_proto_hdrs hdrs_hint_ipv6 = {
 480         TUNNEL_LEVEL_OUTER, PROTO_COUNT_ONE, {proto_hint_ipv6 }
 481 };
 482
 483 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_udp_src_port = {
 484         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 485         proto_hint_udp_src_port }
 486 };
 487
 488 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_udp_dst_port = {
 489         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 490         proto_hint_udp_dst_port }
 491 };
 492
 493 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_udp_src_port = {
 494         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 495         proto_hint_udp_src_port }
 496 };
 497
 498 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_udp_dst_port = {
 499         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 500         proto_hint_udp_dst_port }
 501 };
 502
 503 struct virtchnl_proto_hdrs hdrs_hint_ipv6_udp_src_port = {
 504         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 505         proto_hint_udp_src_port }
 506 };
 507
 508 struct virtchnl_proto_hdrs hdrs_hint_ipv6_udp_dst_port = {
 509         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 510         proto_hint_udp_dst_port }
 511 };
 512
 513 struct virtchnl_proto_hdrs hdrs_hint_ipv6_udp = {
 514         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6,
 515         proto_hint_udp }
 516 };
 517
 518 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_tcp_src_port = {
 519         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 520         proto_hint_tcp_src_port }
 521 };
 522
 523 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_tcp_dst_port = {
 524         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 525         proto_hint_tcp_dst_port }
 526 };
 527
 528 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_tcp_src_port = {
 529         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 530         proto_hint_tcp_src_port }
 531 };
 532
 533 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_tcp_dst_port = {
 534         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 535         proto_hint_tcp_dst_port }
 536 };
 537
 538 struct virtchnl_proto_hdrs hdrs_hint_ipv6_tcp_src_port = {
 539         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 540         proto_hint_tcp_src_port }
 541 };
 542
 543 struct virtchnl_proto_hdrs hdrs_hint_ipv6_tcp_dst_port = {
 544         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 545         proto_hint_tcp_dst_port }
 546 };
 547
 548 struct virtchnl_proto_hdrs hdrs_hint_ipv6_tcp = {
 549         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6,
 550         proto_hint_tcp }
 551 };
 552
 553 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_sctp_src_port = {
 554         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 555         proto_hint_sctp_src_port }
 556 };
 557
 558 struct virtchnl_proto_hdrs hdrs_hint_ipv6_src_sctp_dst_port = {
 559         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_src,
 560         proto_hint_sctp_dst_port }
 561 };
 562
 563 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_sctp_src_port = {
 564         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 565         proto_hint_sctp_src_port }
 566 };
 567
 568 struct virtchnl_proto_hdrs hdrs_hint_ipv6_dst_sctp_dst_port = {
 569         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6_dst,
 570         proto_hint_sctp_dst_port }
 571 };
 572
 573 struct virtchnl_proto_hdrs hdrs_hint_ipv6_sctp_src_port = {
 574         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 575         proto_hint_sctp_src_port }
 576 };
 577
 578 struct virtchnl_proto_hdrs hdrs_hint_ipv6_sctp_dst_port = {
 579         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_udp_only,
 580         proto_hint_sctp_dst_port }
 581 };
 582
 583 struct virtchnl_proto_hdrs hdrs_hint_ipv6_sctp = {
 584         TUNNEL_LEVEL_OUTER, PROTO_COUNT_TWO, {proto_hint_ipv6,
 585         proto_hint_sctp }
 586 };
 587
 588 /**
 589  * The first member is pattern hint type,
 590  * the second member is hash type,
 591  * the third member is virtchnl protocol hdrs.
 592  */
 593 struct iavf_hash_match_type iavf_hash_type_list[] = {
 594         /* IPV4 */
 595         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_L2_SRC_ONLY, &hdrs_hint_eth_src},
 596         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_L2_DST_ONLY, &hdrs_hint_eth_dst},
 597         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_ETH, &hdrs_hint_eth},
 598         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_S_VLAN, &hdrs_hint_svlan},
 599         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_C_VLAN, &hdrs_hint_cvlan},
 600         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_L3_SRC_ONLY, &hdrs_hint_ipv4_src},
 601         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_L3_DST_ONLY, &hdrs_hint_ipv4_dst},
 602         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_ESP, &hdrs_hint_ipv4_esp},
 603         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_AH, &hdrs_hint_ipv4_ah},
 604         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_L2TPV3, &hdrs_hint_ipv4_l2tpv3},
 605         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_IPV4, &hdrs_hint_ipv4},
 606         /* IPV4 UDP */
 607         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 608                                         &hdrs_hint_ipv4_src_udp_src_port},
 609         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 610                                         &hdrs_hint_ipv4_src_udp_dst_port},
 611         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_GTPU,
 612                                         &hdrs_hint_ipv4_src_gtpu_up},
 613         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_SRC_ONLY,
 614                                         &hdrs_hint_ipv4_src},
 615         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 616                                         &hdrs_hint_ipv4_dst_udp_src_port},
 617         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 618                                         &hdrs_hint_ipv4_dst_udp_dst_port},
 619         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_DST_ONLY | ETH_RSS_GTPU,
 620                                         &hdrs_hint_ipv4_dst_gtpu_dwn},
 621         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L3_DST_ONLY,
 622                                         &hdrs_hint_ipv4_dst},
 623         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L4_SRC_ONLY,
 624                                         &hdrs_hint_ipv4_udp_src_port},
 625         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_L4_DST_ONLY,
 626                                         &hdrs_hint_ipv4_udp_dst_port},
 627         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_PFCP,
 628                                         &hdrs_hint_ipv4_pfcp},
 629         {IAVF_PATTERN_HINT_IPV4_UDP, ETH_RSS_NONFRAG_IPV4_UDP,
 630                                         &hdrs_hint_ipv4_udp},
 631         /* IPV4 TCP */
 632         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 633                                         &hdrs_hint_ipv4_src_tcp_src_port},
 634         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 635                                         &hdrs_hint_ipv4_src_tcp_dst_port},
 636         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_SRC_ONLY,
 637                                         &hdrs_hint_ipv4_src},
 638         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 639                                         &hdrs_hint_ipv4_dst_tcp_src_port},
 640         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 641                                         &hdrs_hint_ipv4_dst_tcp_dst_port},
 642         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L3_DST_ONLY,
 643                                         &hdrs_hint_ipv4_dst},
 644         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L4_SRC_ONLY,
 645                                         &hdrs_hint_ipv4_tcp_src_port},
 646         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_L4_DST_ONLY,
 647                                         &hdrs_hint_ipv4_tcp_dst_port},
 648         {IAVF_PATTERN_HINT_IPV4_TCP, ETH_RSS_NONFRAG_IPV4_TCP,
 649                                         &hdrs_hint_ipv4_tcp},
 650         /* IPV4 SCTP */
 651         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 652                                         &hdrs_hint_ipv4_src_sctp_src_port},
 653         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 654                                         &hdrs_hint_ipv4_src_sctp_dst_port},
 655         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_SRC_ONLY,
 656                                         &hdrs_hint_ipv4_src},
 657         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 658                                         &hdrs_hint_ipv4_dst_sctp_src_port},
 659         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 660                                         &hdrs_hint_ipv4_dst_sctp_dst_port},
 661         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L3_DST_ONLY,
 662                                         &hdrs_hint_ipv4_dst},
 663         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L4_SRC_ONLY,
 664                                         &hdrs_hint_ipv4_sctp_src_port},
 665         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_L4_DST_ONLY,
 666                                         &hdrs_hint_ipv4_sctp_dst_port},
 667         {IAVF_PATTERN_HINT_IPV4_SCTP, ETH_RSS_NONFRAG_IPV4_SCTP,
 668                                         &hdrs_hint_ipv4_sctp},
 669         /* IPV6 */
 670         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_L2_SRC_ONLY, &hdrs_hint_eth_src},
 671         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_L2_DST_ONLY, &hdrs_hint_eth_dst},
 672         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_ETH, &hdrs_hint_eth},
 673         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_S_VLAN, &hdrs_hint_svlan},
 674         {IAVF_PATTERN_HINT_IPV4, ETH_RSS_C_VLAN, &hdrs_hint_cvlan},
 675         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_L3_SRC_ONLY, &hdrs_hint_ipv6_src},
 676         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_L3_DST_ONLY, &hdrs_hint_ipv6_dst},
 677         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_ESP, &hdrs_hint_ipv6_esp},
 678         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_AH, &hdrs_hint_ipv6_ah},
 679         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_L2TPV3, &hdrs_hint_ipv6_l2tpv3},
 680         {IAVF_PATTERN_HINT_IPV6, ETH_RSS_IPV6, &hdrs_hint_ipv6},
 681         /* IPV6 UDP */
 682         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 683                                         &hdrs_hint_ipv6_src_udp_src_port},
 684         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 685                                         &hdrs_hint_ipv6_src_udp_dst_port},
 686         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_SRC_ONLY,
 687                                         &hdrs_hint_ipv6_src},
 688         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 689                                         &hdrs_hint_ipv6_dst_udp_src_port},
 690         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 691                                         &hdrs_hint_ipv6_dst_udp_dst_port},
 692         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L3_DST_ONLY,
 693                                         &hdrs_hint_ipv6_dst},
 694         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L4_SRC_ONLY,
 695                                         &hdrs_hint_ipv6_udp_src_port},
 696         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_L4_DST_ONLY,
 697                                         &hdrs_hint_ipv6_udp_dst_port},
 698         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_PFCP,
 699                                         &hdrs_hint_ipv6_pfcp},
 700         {IAVF_PATTERN_HINT_IPV6_UDP, ETH_RSS_NONFRAG_IPV6_UDP,
 701                                         &hdrs_hint_ipv6_udp},
 702         /* IPV6 TCP */
 703         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 704                                         &hdrs_hint_ipv6_src_tcp_src_port},
 705         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 706                                         &hdrs_hint_ipv6_src_tcp_dst_port},
 707         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_SRC_ONLY,
 708                                         &hdrs_hint_ipv6_src},
 709         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 710                                         &hdrs_hint_ipv6_dst_tcp_src_port},
 711         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 712                                         &hdrs_hint_ipv6_dst_tcp_dst_port},
 713         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L3_DST_ONLY,
 714                                         &hdrs_hint_ipv6_dst},
 715         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L4_SRC_ONLY,
 716                                         &hdrs_hint_ipv6_tcp_src_port},
 717         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_L4_DST_ONLY,
 718                                         &hdrs_hint_ipv6_tcp_dst_port},
 719         {IAVF_PATTERN_HINT_IPV6_TCP, ETH_RSS_NONFRAG_IPV6_TCP,
 720                                         &hdrs_hint_ipv6_tcp},
 721         /* IPV6 SCTP */
 722         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 723                                         &hdrs_hint_ipv6_src_sctp_src_port},
 724         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 725                                         &hdrs_hint_ipv6_src_sctp_dst_port},
 726         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_SRC_ONLY,
 727                                         &hdrs_hint_ipv6_src},
 728         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 729                                         &hdrs_hint_ipv6_dst_sctp_src_port},
 730         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 731                                         &hdrs_hint_ipv6_dst_sctp_dst_port},
 732         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L3_DST_ONLY,
 733                                         &hdrs_hint_ipv6_dst},
 734         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L4_SRC_ONLY,
 735                                         &hdrs_hint_ipv6_sctp_src_port},
 736         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_L4_DST_ONLY,
 737                                         &hdrs_hint_ipv6_sctp_dst_port},
 738         {IAVF_PATTERN_HINT_IPV6_SCTP, ETH_RSS_NONFRAG_IPV6_SCTP,
 739                                         &hdrs_hint_ipv6_sctp},
 740 };
 741
 742 static struct iavf_flow_engine iavf_hash_engine = {
 743         .init = iavf_hash_init,
 744         .create = iavf_hash_create,
 745         .destroy = iavf_hash_destroy,
 746         .uninit = iavf_hash_uninit,
 747         .free = iavf_hash_free,
 748         .type = IAVF_FLOW_ENGINE_HASH,
 749 };
 750
 751 /* Register parser for comms package. */
 752 static struct iavf_flow_parser iavf_hash_parser = {
 753         .engine = &iavf_hash_engine,
 754         .array = iavf_hash_pattern_list,
 755         .array_len = RTE_DIM(iavf_hash_pattern_list),
 756         .parse_pattern_action = iavf_hash_parse_pattern_action,
 757         .stage = IAVF_FLOW_STAGE_RSS,
 758 };
 759
 760 RTE_INIT(iavf_hash_engine_init)
 761 {
 762         struct iavf_flow_engine *engine = &iavf_hash_engine;
 763
 764         iavf_register_flow_engine(engine);
 765 }
 766
 767 static int
 768 iavf_hash_init(struct iavf_adapter *ad)
 769 {
 770         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 771         struct iavf_flow_parser *parser;
 772
 773         if (!vf->vf_res)
 774                 return -EINVAL;
 775
 776         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
 777                 return -ENOTSUP;
 778
 779         parser = &iavf_hash_parser;
 780
 781         return iavf_register_parser(parser, ad);
 782 }
 783
 784 static int
 785 iavf_hash_check_inset(const struct rte_flow_item pattern[],
 786                       struct rte_flow_error *error)
 787 {
 788         const struct rte_flow_item *item = pattern;
 789
 790         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 791                 if (item->last) {
 792                         rte_flow_error_set(error, EINVAL,
 793                                            RTE_FLOW_ERROR_TYPE_ITEM, item,
 794                                            "Not support range");
 795                         return -rte_errno;
 796                 }
 797         }
 798
 799         return 0;
 800 }
 801
 802 static uint64_t
 803 iavf_hash_refine_type(uint64_t rss_type, const struct rte_flow_item pattern[])
 804 {
 805         const struct rte_flow_item *item;
 806
 807         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 808                 if (item->type == RTE_FLOW_ITEM_TYPE_GTP_PSC) {
 809                         const struct rte_flow_item_gtp_psc *psc = item->spec;
 810
 811                         if (psc && (psc->pdu_type == GTP_EH_PDU_LINK_UP ||
 812                                     psc->pdu_type == GTP_EH_PDU_LINK_DWN)) {
 813                                 rss_type |= ETH_RSS_GTPU;
 814                         }
 815                 }
 816         }
 817
 818         return rss_type;
 819 }
 820
 821 static int
 822 iavf_hash_parse_action(struct iavf_pattern_match_item *pattern_match_item,
 823                        const struct rte_flow_item pattern[],
 824                        const struct rte_flow_action actions[],
 825                        void **meta, struct rte_flow_error *error)
 826 {
 827         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)*meta;
 828         uint32_t type_list_len = RTE_DIM(iavf_hash_type_list);
 829         struct iavf_hash_match_type *type_match_item;
 830         enum rte_flow_action_type action_type;
 831         const struct rte_flow_action_rss *rss;
 832         const struct rte_flow_action *action;
 833         bool item_found = false;
 834         uint64_t rss_type;
 835         uint16_t i;
 836
 837         struct iavf_pattern_match_type *tt = (struct iavf_pattern_match_type *)
 838                 (pattern_match_item->meta);
 839
 840         /* Supported action is RSS. */
 841         for (action = actions; action->type !=
 842                 RTE_FLOW_ACTION_TYPE_END; action++) {
 843                 action_type = action->type;
 844                 switch (action_type) {
 845                 case RTE_FLOW_ACTION_TYPE_RSS:
 846                         rss = action->conf;
 847                         rss_type = rss->types;
 848
 849                         /**
 850                          * Check simultaneous use of SRC_ONLY and DST_ONLY
 851                          * of the same level.
 852                          */
 853                         rss_type = rte_eth_rss_hf_refine(rss_type);
 854
 855                         /**
 856                          * Refine the hash type base on some specific item of
 857                          * the pattern, such as identify the gtpu hash.
 858                          */
 859                         rss_type = iavf_hash_refine_type(rss_type, pattern);
 860
 861                         /* Check if pattern is empty. */
 862                         if (pattern_match_item->pattern_list !=
 863                                 iavf_pattern_empty && rss->func ==
 864                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
 865                                 return rte_flow_error_set(error, ENOTSUP,
 866                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 867                                         "Not supported flow");
 868
 869                         if (rss->level)
 870                                 return rte_flow_error_set(error, ENOTSUP,
 871                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 872                                         "a nonzero RSS encapsulation level is not supported");
 873
 874                         if (rss->key_len)
 875                                 return rte_flow_error_set(error, ENOTSUP,
 876                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 877                                         "a nonzero RSS key_len is not supported");
 878
 879                         if (rss->queue_num)
 880                                 return rte_flow_error_set(error, ENOTSUP,
 881                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 882                                         "a non-NULL RSS queue is not supported");
 883
 884                         /* Check hash function and save it to rss_meta. */
 885                         if (rss->func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
 886                                 rss_meta->hash_function =
 887                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
 888
 889                         if (rss->func ==
 890                             RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ)
 891                                 rss_meta->hash_function =
 892                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
 893
 894                         type_match_item =
 895                         rte_zmalloc("iavf_type_match_item",
 896                                     sizeof(struct iavf_hash_match_type), 0);
 897                         if (!type_match_item) {
 898                                 rte_flow_error_set(error, EINVAL,
 899                                                    RTE_FLOW_ERROR_TYPE_HANDLE,
 900                                                    NULL,
 901                                                    "No memory for type_match_item");
 902                                 return -ENOMEM;
 903                         }
 904
 905                         /* Find matched proto hdrs according to hash type. */
 906                         for (i = 0; i < type_list_len; i++) {
 907                                 struct iavf_hash_match_type *ht_map =
 908                                         &iavf_hash_type_list[i];
 909                                 if (rss_type == ht_map->hash_type &&
 910                                     tt->phint_type == ht_map->phint_type) {
 911                                         type_match_item->hash_type =
 912                                                 ht_map->hash_type;
 913                                         type_match_item->proto_hdrs =
 914                                                 ht_map->proto_hdrs;
 915                                         rss_meta->proto_hdrs =
 916                                                 type_match_item->proto_hdrs;
 917                                         item_found = true;
 918                                 }
 919                         }
 920
 921                         rte_free(type_match_item);
 922
 923                         if (!item_found)
 924                                 return rte_flow_error_set(error, ENOTSUP,
 925                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 926                                         "Not supported flow");
 927                         break;
 928
 929                 case RTE_FLOW_ACTION_TYPE_END:
 930                         break;
 931
 932                 default:
 933                         rte_flow_error_set(error, EINVAL,
 934                                            RTE_FLOW_ERROR_TYPE_ACTION, action,
 935                                            "Invalid action.");
 936                         return -rte_errno;
 937                 }
 938         }
 939
 940         return 0;
 941 }
 942
 943 static int
 944 iavf_hash_parse_pattern_action(__rte_unused struct iavf_adapter *ad,
 945                                struct iavf_pattern_match_item *array,
 946                                uint32_t array_len,
 947                                const struct rte_flow_item pattern[],
 948                                const struct rte_flow_action actions[],
 949                                void **meta,
 950                                struct rte_flow_error *error)
 951 {
 952         struct iavf_pattern_match_item *pattern_match_item;
 953         struct iavf_rss_meta *rss_meta_ptr;
 954         int ret = 0;
 955
 956         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
 957         if (!rss_meta_ptr) {
 958                 rte_flow_error_set(error, EINVAL,
 959                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 960                                    "No memory for rss_meta_ptr");
 961                 return -ENOMEM;
 962         }
 963
 964         /* Check rss supported pattern and find matched pattern. */
 965         pattern_match_item =
 966                 iavf_search_pattern_match_item(pattern, array, array_len,
 967                                                error);
 968         if (!pattern_match_item) {
 969                 ret = -rte_errno;
 970                 goto error;
 971         }
 972
 973         ret = iavf_hash_check_inset(pattern, error);
 974         if (ret)
 975                 goto error;
 976
 977         /* Check rss action. */
 978         ret = iavf_hash_parse_action(pattern_match_item, pattern, actions,
 979                                      (void **)&rss_meta_ptr, error);
 980
 981 error:
 982         if (!ret && meta)
 983                 *meta = rss_meta_ptr;
 984         else
 985                 rte_free(rss_meta_ptr);
 986
 987         rte_free(pattern_match_item);
 988
 989         return ret;
 990 }
 991
 992 static int
 993 iavf_hash_create(__rte_unused struct iavf_adapter *ad,
 994                  __rte_unused struct rte_flow *flow, void *meta,
 995                  __rte_unused struct rte_flow_error *error)
 996 {
 997         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)meta;
 998         struct virtchnl_rss_cfg *rss_cfg;
 999         int ret = 0;
1000
1001         rss_cfg = rte_zmalloc("iavf rss rule",
1002                               sizeof(struct virtchnl_rss_cfg), 0);
1003         if (!rss_cfg) {
1004                 rte_flow_error_set(error, EINVAL,
1005                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1006                                    "No memory for rss rule");
1007                 return -ENOMEM;
1008         }
1009
1010         rss_cfg->proto_hdrs = *rss_meta->proto_hdrs;
1011         rss_cfg->rss_algorithm = rss_meta->hash_function;
1012
1013         ret = iavf_add_del_rss_cfg(ad, rss_cfg, true);
1014         if (!ret) {
1015                 flow->rule = rss_cfg;
1016         } else {
1017                 PMD_DRV_LOG(ERR, "fail to add RSS configure");
1018                 rte_free(rss_cfg);
1019         }
1020
1021         rte_free(meta);
1022
1023         return ret;
1024 }
1025
1026 static int
1027 iavf_hash_destroy(__rte_unused struct iavf_adapter *ad,
1028                   struct rte_flow *flow,
1029                   __rte_unused struct rte_flow_error *error)
1030 {
1031         struct virtchnl_rss_cfg *rss_cfg;
1032         int ret = 0;
1033
1034         rss_cfg = (struct virtchnl_rss_cfg *)flow->rule;
1035
1036         ret = iavf_add_del_rss_cfg(ad, rss_cfg, false);
1037         if (ret)
1038                 PMD_DRV_LOG(ERR, "fail to del RSS configure");
1039
1040         return ret;
1041 }
1042
1043 static void
1044 iavf_hash_uninit(struct iavf_adapter *ad)
1045 {
1046         iavf_unregister_parser(&iavf_hash_parser, ad);
1047 }
1048
1049 static void
1050 iavf_hash_free(struct rte_flow *flow)
1051 {
1052         rte_free(flow->rule);
1053 }