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 <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 #define IAVF_PHINT_NONE                         0
  27 #define IAVF_PHINT_GTPU                         BIT_ULL(0)
  28 #define IAVF_PHINT_GTPU_EH                      BIT_ULL(1)
  29 #define IAVF_PHINT_GTPU_EH_DWN                  BIT_ULL(2)
  30 #define IAVF_PHINT_GTPU_EH_UP                   BIT_ULL(3)
  31 #define IAVF_PHINT_OUTER_IPV4                   BIT_ULL(4)
  32 #define IAVF_PHINT_OUTER_IPV6                   BIT_ULL(5)
  33 #define IAVF_PHINT_GRE                          BIT_ULL(6)
  34 /* the second IP header of GTPoGRE */
  35 #define IAVF_PHINT_MID_IPV4                     BIT_ULL(7)
  36 #define IAVF_PHINT_MID_IPV6                     BIT_ULL(8)
  37
  38 #define IAVF_PHINT_GTPU_MSK     (IAVF_PHINT_GTPU        | \
  39                                  IAVF_PHINT_GTPU_EH     | \
  40                                  IAVF_PHINT_GTPU_EH_DWN | \
  41                                  IAVF_PHINT_GTPU_EH_UP)
  42
  43 #define IAVF_PHINT_LAYERS_MSK   (IAVF_PHINT_OUTER_IPV4  | \
  44                                  IAVF_PHINT_OUTER_IPV6)
  45
  46 #define IAVF_GTPU_EH_DWNLINK    0
  47 #define IAVF_GTPU_EH_UPLINK     1
  48
  49 struct iavf_hash_match_type {
  50         uint64_t hash_type;
  51         struct virtchnl_proto_hdrs *proto_hdrs;
  52         uint64_t pattern_hint;
  53 };
  54
  55 struct iavf_rss_meta {
  56         struct virtchnl_proto_hdrs proto_hdrs;
  57         enum virtchnl_rss_algorithm rss_algorithm;
  58 };
  59
  60 struct iavf_hash_flow_cfg {
  61         struct virtchnl_rss_cfg *rss_cfg;
  62         bool simple_xor;
  63 };
  64
  65 static int
  66 iavf_hash_init(struct iavf_adapter *ad);
  67 static int
  68 iavf_hash_create(struct iavf_adapter *ad, struct rte_flow *flow, void *meta,
  69                  struct rte_flow_error *error);
  70 static int
  71 iavf_hash_destroy(struct iavf_adapter *ad, struct rte_flow *flow,
  72                   struct rte_flow_error *error);
  73 static void
  74 iavf_hash_uninit(struct iavf_adapter *ad);
  75 static void
  76 iavf_hash_free(struct rte_flow *flow);
  77 static int
  78 iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
  79                                struct iavf_pattern_match_item *array,
  80                                uint32_t array_len,
  81                                const struct rte_flow_item pattern[],
  82                                const struct rte_flow_action actions[],
  83                                void **meta,
  84                                struct rte_flow_error *error);
  85
  86 #define FIELD_SELECTOR(proto_hdr_field) \
  87                 (1UL << ((proto_hdr_field) & PROTO_HDR_FIELD_MASK))
  88 #define BUFF_NOUSED                     0
  89
  90 #define proto_hdr_eth { \
  91         VIRTCHNL_PROTO_HDR_ETH, \
  92         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) | \
  93         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), {BUFF_NOUSED} }
  94
  95 #define proto_hdr_svlan { \
  96         VIRTCHNL_PROTO_HDR_S_VLAN, \
  97         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID), {BUFF_NOUSED} }
  98
  99 #define proto_hdr_cvlan { \
 100         VIRTCHNL_PROTO_HDR_C_VLAN, \
 101         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID), {BUFF_NOUSED} }
 102
 103 #define proto_hdr_ipv4 { \
 104         VIRTCHNL_PROTO_HDR_IPV4, \
 105         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
 106         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), {BUFF_NOUSED} }
 107
 108 #define proto_hdr_ipv4_with_prot { \
 109         VIRTCHNL_PROTO_HDR_IPV4, \
 110         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
 111         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | \
 112         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), {BUFF_NOUSED} }
 113
 114 #define proto_hdr_ipv6 { \
 115         VIRTCHNL_PROTO_HDR_IPV6, \
 116         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
 117         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), {BUFF_NOUSED} }
 118
 119 #define proto_hdr_ipv6_frag { \
 120         VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG, \
 121         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG_PKID), {BUFF_NOUSED} }
 122
 123 #define proto_hdr_ipv6_with_prot { \
 124         VIRTCHNL_PROTO_HDR_IPV6, \
 125         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
 126         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | \
 127         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), {BUFF_NOUSED} }
 128
 129 #define proto_hdr_udp { \
 130         VIRTCHNL_PROTO_HDR_UDP, \
 131         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) | \
 132         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), {BUFF_NOUSED} }
 133
 134 #define proto_hdr_tcp { \
 135         VIRTCHNL_PROTO_HDR_TCP, \
 136         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) | \
 137         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), {BUFF_NOUSED} }
 138
 139 #define proto_hdr_sctp { \
 140         VIRTCHNL_PROTO_HDR_SCTP, \
 141         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) | \
 142         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), {BUFF_NOUSED} }
 143
 144 #define proto_hdr_esp { \
 145         VIRTCHNL_PROTO_HDR_ESP, \
 146         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI), {BUFF_NOUSED} }
 147
 148 #define proto_hdr_ah { \
 149         VIRTCHNL_PROTO_HDR_AH, \
 150         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI), {BUFF_NOUSED} }
 151
 152 #define proto_hdr_l2tpv3 { \
 153         VIRTCHNL_PROTO_HDR_L2TPV3, \
 154         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID), {BUFF_NOUSED} }
 155
 156 #define proto_hdr_pfcp { \
 157         VIRTCHNL_PROTO_HDR_PFCP, \
 158         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), {BUFF_NOUSED} }
 159
 160 #define proto_hdr_gtpc { \
 161         VIRTCHNL_PROTO_HDR_GTPC, 0, {BUFF_NOUSED} }
 162
 163 #define proto_hdr_ecpri { \
 164         VIRTCHNL_PROTO_HDR_ECPRI, \
 165         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID), {BUFF_NOUSED} }
 166
 167 #define TUNNEL_LEVEL_OUTER              0
 168 #define TUNNEL_LEVEL_INNER              1
 169
 170 /* proto_hdrs template */
 171 struct virtchnl_proto_hdrs outer_ipv4_tmplt = {
 172         TUNNEL_LEVEL_OUTER, 4,
 173         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4}
 174 };
 175
 176 struct virtchnl_proto_hdrs outer_ipv4_udp_tmplt = {
 177         TUNNEL_LEVEL_OUTER, 5,
 178         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 179          proto_hdr_ipv4_with_prot,
 180          proto_hdr_udp}
 181 };
 182
 183 struct virtchnl_proto_hdrs outer_ipv4_tcp_tmplt = {
 184         TUNNEL_LEVEL_OUTER, 5,
 185         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 186          proto_hdr_ipv4_with_prot,
 187          proto_hdr_tcp}
 188 };
 189
 190 struct virtchnl_proto_hdrs outer_ipv4_sctp_tmplt = {
 191         TUNNEL_LEVEL_OUTER, 5,
 192         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4,
 193          proto_hdr_sctp}
 194 };
 195
 196 struct virtchnl_proto_hdrs outer_ipv6_tmplt = {
 197         TUNNEL_LEVEL_OUTER, 4,
 198         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6}
 199 };
 200
 201 struct virtchnl_proto_hdrs outer_ipv6_frag_tmplt = {
 202         TUNNEL_LEVEL_OUTER, 5,
 203         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 204          proto_hdr_ipv6, proto_hdr_ipv6_frag}
 205 };
 206
 207 struct virtchnl_proto_hdrs outer_ipv6_udp_tmplt = {
 208         TUNNEL_LEVEL_OUTER, 5,
 209         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 210          proto_hdr_ipv6_with_prot,
 211          proto_hdr_udp}
 212 };
 213
 214 struct virtchnl_proto_hdrs outer_ipv6_tcp_tmplt = {
 215         TUNNEL_LEVEL_OUTER, 5,
 216         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 217          proto_hdr_ipv6_with_prot,
 218          proto_hdr_tcp}
 219 };
 220
 221 struct virtchnl_proto_hdrs outer_ipv6_sctp_tmplt = {
 222         TUNNEL_LEVEL_OUTER, 5,
 223         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6,
 224          proto_hdr_sctp}
 225 };
 226
 227 struct virtchnl_proto_hdrs inner_ipv4_tmplt = {
 228         TUNNEL_LEVEL_INNER, 1, {proto_hdr_ipv4}
 229 };
 230
 231 struct virtchnl_proto_hdrs inner_ipv4_udp_tmplt = {
 232         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4_with_prot, proto_hdr_udp}
 233 };
 234
 235 struct virtchnl_proto_hdrs inner_ipv4_tcp_tmplt = {
 236         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4_with_prot, proto_hdr_tcp}
 237 };
 238
 239 struct virtchnl_proto_hdrs second_inner_ipv4_tmplt = {
 240         2, 1, {proto_hdr_ipv4}
 241 };
 242
 243 struct virtchnl_proto_hdrs second_inner_ipv4_udp_tmplt = {
 244         2, 2, {proto_hdr_ipv4_with_prot, proto_hdr_udp}
 245 };
 246
 247 struct virtchnl_proto_hdrs second_inner_ipv4_tcp_tmplt = {
 248         2, 2, {proto_hdr_ipv4_with_prot, proto_hdr_tcp}
 249 };
 250
 251 struct virtchnl_proto_hdrs second_inner_ipv6_tmplt = {
 252         2, 1, {proto_hdr_ipv6}
 253 };
 254
 255 struct virtchnl_proto_hdrs second_inner_ipv6_udp_tmplt = {
 256         2, 2, {proto_hdr_ipv6_with_prot, proto_hdr_udp}
 257 };
 258
 259 struct virtchnl_proto_hdrs second_inner_ipv6_tcp_tmplt = {
 260         2, 2, {proto_hdr_ipv6_with_prot, proto_hdr_tcp}
 261 };
 262
 263 struct virtchnl_proto_hdrs inner_ipv4_sctp_tmplt = {
 264         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4, proto_hdr_sctp}
 265 };
 266
 267 struct virtchnl_proto_hdrs inner_ipv6_tmplt = {
 268         TUNNEL_LEVEL_INNER, 1, {proto_hdr_ipv6}
 269 };
 270
 271 struct virtchnl_proto_hdrs inner_ipv6_udp_tmplt = {
 272         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6_with_prot, proto_hdr_udp}
 273 };
 274
 275 struct virtchnl_proto_hdrs inner_ipv6_tcp_tmplt = {
 276         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6_with_prot, proto_hdr_tcp}
 277 };
 278
 279 struct virtchnl_proto_hdrs inner_ipv6_sctp_tmplt = {
 280         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6, proto_hdr_sctp}
 281 };
 282
 283 struct virtchnl_proto_hdrs ipv4_esp_tmplt = {
 284         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_esp}
 285 };
 286
 287 struct virtchnl_proto_hdrs ipv4_udp_esp_tmplt = {
 288         TUNNEL_LEVEL_OUTER, 3,
 289         {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_esp}
 290 };
 291
 292 struct virtchnl_proto_hdrs ipv4_ah_tmplt = {
 293         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_ah}
 294 };
 295
 296 struct virtchnl_proto_hdrs ipv6_esp_tmplt = {
 297         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_esp}
 298 };
 299
 300 struct virtchnl_proto_hdrs ipv6_udp_esp_tmplt = {
 301         TUNNEL_LEVEL_OUTER, 3,
 302         {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_esp}
 303 };
 304
 305 struct virtchnl_proto_hdrs ipv6_ah_tmplt = {
 306         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_ah}
 307 };
 308
 309 struct virtchnl_proto_hdrs ipv4_l2tpv3_tmplt = {
 310         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_l2tpv3}
 311 };
 312
 313 struct virtchnl_proto_hdrs ipv6_l2tpv3_tmplt = {
 314         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_l2tpv3}
 315 };
 316
 317 struct virtchnl_proto_hdrs ipv4_pfcp_tmplt = {
 318         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_pfcp}
 319 };
 320
 321 struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
 322         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_pfcp}
 323 };
 324
 325 struct virtchnl_proto_hdrs ipv4_udp_gtpc_tmplt = {
 326         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_gtpc}
 327 };
 328
 329 struct virtchnl_proto_hdrs ipv6_udp_gtpc_tmplt = {
 330         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_gtpc}
 331 };
 332
 333 struct virtchnl_proto_hdrs eth_ecpri_tmplt = {
 334         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_eth, proto_hdr_ecpri}
 335 };
 336
 337 struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
 338         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_ecpri}
 339 };
 340
 341 /* rss type super set */
 342
 343 /* IPv4 outer */
 344 #define IAVF_RSS_TYPE_OUTER_IPV4        (ETH_RSS_ETH | ETH_RSS_IPV4 | \
 345                                          ETH_RSS_FRAG_IPV4 | \
 346                                          ETH_RSS_IPV4_CHKSUM)
 347 #define IAVF_RSS_TYPE_OUTER_IPV4_UDP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 348                                          ETH_RSS_NONFRAG_IPV4_UDP | \
 349                                          ETH_RSS_L4_CHKSUM)
 350 #define IAVF_RSS_TYPE_OUTER_IPV4_TCP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 351                                          ETH_RSS_NONFRAG_IPV4_TCP | \
 352                                          ETH_RSS_L4_CHKSUM)
 353 #define IAVF_RSS_TYPE_OUTER_IPV4_SCTP   (IAVF_RSS_TYPE_OUTER_IPV4 | \
 354                                          ETH_RSS_NONFRAG_IPV4_SCTP | \
 355                                          ETH_RSS_L4_CHKSUM)
 356 /* IPv6 outer */
 357 #define IAVF_RSS_TYPE_OUTER_IPV6        (ETH_RSS_ETH | ETH_RSS_IPV6)
 358 #define IAVF_RSS_TYPE_OUTER_IPV6_FRAG   (IAVF_RSS_TYPE_OUTER_IPV6 | \
 359                                          ETH_RSS_FRAG_IPV6)
 360 #define IAVF_RSS_TYPE_OUTER_IPV6_UDP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 361                                          ETH_RSS_NONFRAG_IPV6_UDP | \
 362                                          ETH_RSS_L4_CHKSUM)
 363 #define IAVF_RSS_TYPE_OUTER_IPV6_TCP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 364                                          ETH_RSS_NONFRAG_IPV6_TCP | \
 365                                          ETH_RSS_L4_CHKSUM)
 366 #define IAVF_RSS_TYPE_OUTER_IPV6_SCTP   (IAVF_RSS_TYPE_OUTER_IPV6 | \
 367                                          ETH_RSS_NONFRAG_IPV6_SCTP | \
 368                                          ETH_RSS_L4_CHKSUM)
 369 /* VLAN IPV4 */
 370 #define IAVF_RSS_TYPE_VLAN_IPV4         (IAVF_RSS_TYPE_OUTER_IPV4 | \
 371                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 372 #define IAVF_RSS_TYPE_VLAN_IPV4_UDP     (IAVF_RSS_TYPE_OUTER_IPV4_UDP | \
 373                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 374 #define IAVF_RSS_TYPE_VLAN_IPV4_TCP     (IAVF_RSS_TYPE_OUTER_IPV4_TCP | \
 375                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 376 #define IAVF_RSS_TYPE_VLAN_IPV4_SCTP    (IAVF_RSS_TYPE_OUTER_IPV4_SCTP | \
 377                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 378 /* VLAN IPv6 */
 379 #define IAVF_RSS_TYPE_VLAN_IPV6         (IAVF_RSS_TYPE_OUTER_IPV6 | \
 380                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 381 #define IAVF_RSS_TYPE_VLAN_IPV6_FRAG    (IAVF_RSS_TYPE_OUTER_IPV6_FRAG | \
 382                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 383 #define IAVF_RSS_TYPE_VLAN_IPV6_UDP     (IAVF_RSS_TYPE_OUTER_IPV6_UDP | \
 384                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 385 #define IAVF_RSS_TYPE_VLAN_IPV6_TCP     (IAVF_RSS_TYPE_OUTER_IPV6_TCP | \
 386                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 387 #define IAVF_RSS_TYPE_VLAN_IPV6_SCTP    (IAVF_RSS_TYPE_OUTER_IPV6_SCTP | \
 388                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 389 /* IPv4 inner */
 390 #define IAVF_RSS_TYPE_INNER_IPV4        ETH_RSS_IPV4
 391 #define IAVF_RSS_TYPE_INNER_IPV4_UDP    (ETH_RSS_IPV4 | \
 392                                          ETH_RSS_NONFRAG_IPV4_UDP)
 393 #define IAVF_RSS_TYPE_INNER_IPV4_TCP    (ETH_RSS_IPV4 | \
 394                                          ETH_RSS_NONFRAG_IPV4_TCP)
 395 #define IAVF_RSS_TYPE_INNER_IPV4_SCTP   (ETH_RSS_IPV4 | \
 396                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 397 /* IPv6 inner */
 398 #define IAVF_RSS_TYPE_INNER_IPV6        ETH_RSS_IPV6
 399 #define IAVF_RSS_TYPE_INNER_IPV6_UDP    (ETH_RSS_IPV6 | \
 400                                          ETH_RSS_NONFRAG_IPV6_UDP)
 401 #define IAVF_RSS_TYPE_INNER_IPV6_TCP    (ETH_RSS_IPV6 | \
 402                                          ETH_RSS_NONFRAG_IPV6_TCP)
 403 #define IAVF_RSS_TYPE_INNER_IPV6_SCTP   (ETH_RSS_IPV6 | \
 404                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 405 /* GTPU IPv4 */
 406 #define IAVF_RSS_TYPE_GTPU_IPV4         (IAVF_RSS_TYPE_INNER_IPV4 | \
 407                                          ETH_RSS_GTPU)
 408 #define IAVF_RSS_TYPE_GTPU_IPV4_UDP     (IAVF_RSS_TYPE_INNER_IPV4_UDP | \
 409                                          ETH_RSS_GTPU)
 410 #define IAVF_RSS_TYPE_GTPU_IPV4_TCP     (IAVF_RSS_TYPE_INNER_IPV4_TCP | \
 411                                          ETH_RSS_GTPU)
 412 /* GTPU IPv6 */
 413 #define IAVF_RSS_TYPE_GTPU_IPV6         (IAVF_RSS_TYPE_INNER_IPV6 | \
 414                                          ETH_RSS_GTPU)
 415 #define IAVF_RSS_TYPE_GTPU_IPV6_UDP     (IAVF_RSS_TYPE_INNER_IPV6_UDP | \
 416                                          ETH_RSS_GTPU)
 417 #define IAVF_RSS_TYPE_GTPU_IPV6_TCP     (IAVF_RSS_TYPE_INNER_IPV6_TCP | \
 418                                          ETH_RSS_GTPU)
 419 /* ESP, AH, L2TPV3 and PFCP */
 420 #define IAVF_RSS_TYPE_IPV4_ESP          (ETH_RSS_ESP | ETH_RSS_IPV4)
 421 #define IAVF_RSS_TYPE_IPV4_AH           (ETH_RSS_AH | ETH_RSS_IPV4)
 422 #define IAVF_RSS_TYPE_IPV6_ESP          (ETH_RSS_ESP | ETH_RSS_IPV6)
 423 #define IAVF_RSS_TYPE_IPV6_AH           (ETH_RSS_AH | ETH_RSS_IPV6)
 424 #define IAVF_RSS_TYPE_IPV4_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 425 #define IAVF_RSS_TYPE_IPV6_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 426 #define IAVF_RSS_TYPE_IPV4_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV4)
 427 #define IAVF_RSS_TYPE_IPV6_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV6)
 428
 429 /**
 430  * Supported pattern for hash.
 431  * The first member is pattern item type,
 432  * the second member is input set mask,
 433  * the third member is virtchnl_proto_hdrs template
 434  */
 435 static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
 436         /* IPv4 */
 437         {iavf_pattern_eth_ipv4,                         IAVF_RSS_TYPE_OUTER_IPV4,       &outer_ipv4_tmplt},
 438         {iavf_pattern_eth_ipv4_udp,                     IAVF_RSS_TYPE_OUTER_IPV4_UDP,   &outer_ipv4_udp_tmplt},
 439         {iavf_pattern_eth_ipv4_tcp,                     IAVF_RSS_TYPE_OUTER_IPV4_TCP,   &outer_ipv4_tcp_tmplt},
 440         {iavf_pattern_eth_ipv4_sctp,                    IAVF_RSS_TYPE_OUTER_IPV4_SCTP,  &outer_ipv4_sctp_tmplt},
 441         {iavf_pattern_eth_vlan_ipv4,                    IAVF_RSS_TYPE_VLAN_IPV4,        &outer_ipv4_tmplt},
 442         {iavf_pattern_eth_vlan_ipv4_udp,                IAVF_RSS_TYPE_VLAN_IPV4_UDP,    &outer_ipv4_udp_tmplt},
 443         {iavf_pattern_eth_vlan_ipv4_tcp,                IAVF_RSS_TYPE_VLAN_IPV4_TCP,    &outer_ipv4_tcp_tmplt},
 444         {iavf_pattern_eth_vlan_ipv4_sctp,               IAVF_RSS_TYPE_VLAN_IPV4_SCTP,   &outer_ipv4_sctp_tmplt},
 445         {iavf_pattern_eth_ipv4_gtpu,                    ETH_RSS_IPV4,                   &outer_ipv4_udp_tmplt},
 446         {iavf_pattern_eth_ipv4_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 447         {iavf_pattern_eth_ipv4_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 448         {iavf_pattern_eth_ipv4_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 449         {iavf_pattern_eth_ipv6_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 450         {iavf_pattern_eth_ipv6_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 451         {iavf_pattern_eth_ipv6_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 452         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 453         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 454         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 455         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 456         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 457         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 458         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 459         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 460         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 461         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 462         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 463         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 464         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 465         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 466         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 467         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 468         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 469         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 470         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 471         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 472         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 473         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 474         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 475         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 476         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 477         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 478         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 479         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 480         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 481         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 482         {iavf_pattern_eth_ipv4_esp,                     IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_esp_tmplt},
 483         {iavf_pattern_eth_ipv4_udp_esp,                 IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_udp_esp_tmplt},
 484         {iavf_pattern_eth_ipv4_ah,                      IAVF_RSS_TYPE_IPV4_AH,          &ipv4_ah_tmplt},
 485         {iavf_pattern_eth_ipv4_l2tpv3,                  IAVF_RSS_TYPE_IPV4_L2TPV3,      &ipv4_l2tpv3_tmplt},
 486         {iavf_pattern_eth_ipv4_pfcp,                    IAVF_RSS_TYPE_IPV4_PFCP,        &ipv4_pfcp_tmplt},
 487         {iavf_pattern_eth_ipv4_gtpc,                    ETH_RSS_IPV4,                   &ipv4_udp_gtpc_tmplt},
 488         {iavf_pattern_eth_ecpri,                        ETH_RSS_ECPRI,                  &eth_ecpri_tmplt},
 489         {iavf_pattern_eth_ipv4_ecpri,                   ETH_RSS_ECPRI,                  &ipv4_ecpri_tmplt},
 490         {iavf_pattern_eth_ipv4_gre_ipv4,                IAVF_RSS_TYPE_INNER_IPV4,       &inner_ipv4_tmplt},
 491         {iavf_pattern_eth_ipv6_gre_ipv4,                IAVF_RSS_TYPE_INNER_IPV4, &inner_ipv4_tmplt},
 492         {iavf_pattern_eth_ipv4_gre_ipv4_tcp,    IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
 493         {iavf_pattern_eth_ipv6_gre_ipv4_tcp,    IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
 494         {iavf_pattern_eth_ipv4_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
 495         {iavf_pattern_eth_ipv6_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
 496         /* IPv6 */
 497         {iavf_pattern_eth_ipv6,                         IAVF_RSS_TYPE_OUTER_IPV6,       &outer_ipv6_tmplt},
 498         {iavf_pattern_eth_ipv6_frag_ext,                IAVF_RSS_TYPE_OUTER_IPV6_FRAG,  &outer_ipv6_frag_tmplt},
 499         {iavf_pattern_eth_ipv6_udp,                     IAVF_RSS_TYPE_OUTER_IPV6_UDP,   &outer_ipv6_udp_tmplt},
 500         {iavf_pattern_eth_ipv6_tcp,                     IAVF_RSS_TYPE_OUTER_IPV6_TCP,   &outer_ipv6_tcp_tmplt},
 501         {iavf_pattern_eth_ipv6_sctp,                    IAVF_RSS_TYPE_OUTER_IPV6_SCTP,  &outer_ipv6_sctp_tmplt},
 502         {iavf_pattern_eth_vlan_ipv6,                    IAVF_RSS_TYPE_VLAN_IPV6,        &outer_ipv6_tmplt},
 503         {iavf_pattern_eth_vlan_ipv6_frag_ext,           IAVF_RSS_TYPE_OUTER_IPV6_FRAG,  &outer_ipv6_frag_tmplt},
 504         {iavf_pattern_eth_vlan_ipv6_udp,                IAVF_RSS_TYPE_VLAN_IPV6_UDP,    &outer_ipv6_udp_tmplt},
 505         {iavf_pattern_eth_vlan_ipv6_tcp,                IAVF_RSS_TYPE_VLAN_IPV6_TCP,    &outer_ipv6_tcp_tmplt},
 506         {iavf_pattern_eth_vlan_ipv6_sctp,               IAVF_RSS_TYPE_VLAN_IPV6_SCTP,   &outer_ipv6_sctp_tmplt},
 507         {iavf_pattern_eth_ipv6_gtpu,                    ETH_RSS_IPV6,                   &outer_ipv6_udp_tmplt},
 508         {iavf_pattern_eth_ipv4_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 509         {iavf_pattern_eth_ipv4_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 510         {iavf_pattern_eth_ipv4_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 511         {iavf_pattern_eth_ipv6_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 512         {iavf_pattern_eth_ipv6_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 513         {iavf_pattern_eth_ipv6_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 514         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 515         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 516         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 517         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 518         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 519         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 520         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 521         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 522         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 523         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 524         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 525         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 526         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 527         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 528         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 529         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 530         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 531         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 532         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 533         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 534         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 535         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 536         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 537         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 538         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 539         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 540         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 541         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 542         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 543         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 544         {iavf_pattern_eth_ipv6_esp,                     IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_esp_tmplt},
 545         {iavf_pattern_eth_ipv6_udp_esp,                 IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_udp_esp_tmplt},
 546         {iavf_pattern_eth_ipv6_ah,                      IAVF_RSS_TYPE_IPV6_AH,          &ipv6_ah_tmplt},
 547         {iavf_pattern_eth_ipv6_l2tpv3,                  IAVF_RSS_TYPE_IPV6_L2TPV3,      &ipv6_l2tpv3_tmplt},
 548         {iavf_pattern_eth_ipv6_pfcp,                    IAVF_RSS_TYPE_IPV6_PFCP,        &ipv6_pfcp_tmplt},
 549         {iavf_pattern_eth_ipv6_gtpc,                    ETH_RSS_IPV6,                   &ipv6_udp_gtpc_tmplt},
 550         {iavf_pattern_eth_ipv4_gre_ipv6,                IAVF_RSS_TYPE_INNER_IPV6,       &inner_ipv6_tmplt},
 551         {iavf_pattern_eth_ipv6_gre_ipv6,                IAVF_RSS_TYPE_INNER_IPV6, &inner_ipv6_tmplt},
 552         {iavf_pattern_eth_ipv4_gre_ipv6_tcp,    IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
 553         {iavf_pattern_eth_ipv6_gre_ipv6_tcp,    IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
 554         {iavf_pattern_eth_ipv4_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
 555         {iavf_pattern_eth_ipv6_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
 556 };
 557
 558 static struct iavf_flow_engine iavf_hash_engine = {
 559         .init = iavf_hash_init,
 560         .create = iavf_hash_create,
 561         .destroy = iavf_hash_destroy,
 562         .uninit = iavf_hash_uninit,
 563         .free = iavf_hash_free,
 564         .type = IAVF_FLOW_ENGINE_HASH,
 565 };
 566
 567 /* Register parser for comms package. */
 568 static struct iavf_flow_parser iavf_hash_parser = {
 569         .engine = &iavf_hash_engine,
 570         .array = iavf_hash_pattern_list,
 571         .array_len = RTE_DIM(iavf_hash_pattern_list),
 572         .parse_pattern_action = iavf_hash_parse_pattern_action,
 573         .stage = IAVF_FLOW_STAGE_RSS,
 574 };
 575
 576 int
 577 iavf_rss_hash_set(struct iavf_adapter *ad, uint64_t rss_hf, bool add)
 578 {
 579         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 580         struct virtchnl_rss_cfg rss_cfg;
 581
 582 #define IAVF_RSS_HF_ALL ( \
 583         ETH_RSS_IPV4 | \
 584         ETH_RSS_IPV6 | \
 585         ETH_RSS_NONFRAG_IPV4_UDP | \
 586         ETH_RSS_NONFRAG_IPV6_UDP | \
 587         ETH_RSS_NONFRAG_IPV4_TCP | \
 588         ETH_RSS_NONFRAG_IPV6_TCP | \
 589         ETH_RSS_NONFRAG_IPV4_SCTP | \
 590         ETH_RSS_NONFRAG_IPV6_SCTP)
 591
 592         rss_cfg.rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
 593         if (rss_hf & ETH_RSS_IPV4) {
 594                 rss_cfg.proto_hdrs = inner_ipv4_tmplt;
 595                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 596         }
 597
 598         if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
 599                 rss_cfg.proto_hdrs = inner_ipv4_udp_tmplt;
 600                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 601         }
 602
 603         if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
 604                 rss_cfg.proto_hdrs = inner_ipv4_tcp_tmplt;
 605                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 606         }
 607
 608         if (rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) {
 609                 rss_cfg.proto_hdrs = inner_ipv4_sctp_tmplt;
 610                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 611         }
 612
 613         if (rss_hf & ETH_RSS_IPV6) {
 614                 rss_cfg.proto_hdrs = inner_ipv6_tmplt;
 615                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 616         }
 617
 618         if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) {
 619                 rss_cfg.proto_hdrs = inner_ipv6_udp_tmplt;
 620                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 621         }
 622
 623         if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
 624                 rss_cfg.proto_hdrs = inner_ipv6_tcp_tmplt;
 625                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 626         }
 627
 628         if (rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) {
 629                 rss_cfg.proto_hdrs = inner_ipv6_sctp_tmplt;
 630                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 631         }
 632
 633         vf->rss_hf = rss_hf & IAVF_RSS_HF_ALL;
 634         return 0;
 635 }
 636
 637 RTE_INIT(iavf_hash_engine_init)
 638 {
 639         struct iavf_flow_engine *engine = &iavf_hash_engine;
 640
 641         iavf_register_flow_engine(engine);
 642 }
 643
 644 static int
 645 iavf_hash_init(struct iavf_adapter *ad)
 646 {
 647         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 648         struct iavf_flow_parser *parser;
 649         int ret;
 650
 651         if (vf->vf_reset)
 652                 return -EIO;
 653
 654         if (!vf->vf_res)
 655                 return -EINVAL;
 656
 657         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
 658                 return -ENOTSUP;
 659
 660         parser = &iavf_hash_parser;
 661
 662         ret = iavf_register_parser(parser, ad);
 663         if (ret) {
 664                 PMD_DRV_LOG(ERR, "fail to register hash parser");
 665                 return ret;
 666         }
 667
 668         return ret;
 669 }
 670
 671 static int
 672 iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 673                         struct rte_flow_error *error)
 674 {
 675         const struct rte_flow_item *item = pattern;
 676         const struct rte_flow_item_gtp_psc *psc;
 677         const struct rte_flow_item_ecpri *ecpri;
 678         struct rte_ecpri_common_hdr ecpri_common;
 679
 680         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 681                 if (item->last) {
 682                         rte_flow_error_set(error, EINVAL,
 683                                            RTE_FLOW_ERROR_TYPE_ITEM, item,
 684                                            "Not support range");
 685                         return -rte_errno;
 686                 }
 687
 688                 switch (item->type) {
 689                 case RTE_FLOW_ITEM_TYPE_IPV4:
 690                         if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
 691                                 *phint |= IAVF_PHINT_OUTER_IPV4;
 692                         if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
 693                                 *phint |= IAVF_PHINT_MID_IPV4;
 694                         break;
 695                 case RTE_FLOW_ITEM_TYPE_IPV6:
 696                         if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
 697                                 *phint |= IAVF_PHINT_OUTER_IPV6;
 698                         if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
 699                                 *phint |= IAVF_PHINT_MID_IPV6;
 700                         break;
 701                 case RTE_FLOW_ITEM_TYPE_GTPU:
 702                         *phint |= IAVF_PHINT_GTPU;
 703                         break;
 704                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 705                         *phint |= IAVF_PHINT_GTPU_EH;
 706                         psc = item->spec;
 707                         if (!psc)
 708                                 break;
 709                         else if (psc->hdr.type == IAVF_GTPU_EH_UPLINK)
 710                                 *phint |= IAVF_PHINT_GTPU_EH_UP;
 711                         else if (psc->hdr.type == IAVF_GTPU_EH_DWNLINK)
 712                                 *phint |= IAVF_PHINT_GTPU_EH_DWN;
 713                         break;
 714                 case RTE_FLOW_ITEM_TYPE_ECPRI:
 715                         ecpri = item->spec;
 716                         if (!ecpri)
 717                                 break;
 718
 719                         ecpri_common.u32 = rte_be_to_cpu_32(ecpri->hdr.common.u32);
 720
 721                         if (ecpri_common.type !=
 722                                  RTE_ECPRI_MSG_TYPE_IQ_DATA) {
 723                                 rte_flow_error_set(error, EINVAL,
 724                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 725                                         "Unsupported common type.");
 726                                 return -rte_errno;
 727                         }
 728                         break;
 729                 case RTE_FLOW_ITEM_TYPE_GRE:
 730                         *phint |= IAVF_PHINT_GRE;
 731                 default:
 732                         break;
 733                 }
 734         }
 735
 736         return 0;
 737 }
 738
 739 #define REFINE_PROTO_FLD(op, fld) \
 740         VIRTCHNL_##op##_PROTO_HDR_FIELD(hdr, VIRTCHNL_PROTO_HDR_##fld)
 741 #define REPALCE_PROTO_FLD(fld_1, fld_2) \
 742 do { \
 743         REFINE_PROTO_FLD(DEL, fld_1);   \
 744         REFINE_PROTO_FLD(ADD, fld_2);   \
 745 } while (0)
 746
 747 static void
 748 iavf_hash_add_fragment_hdr(struct virtchnl_proto_hdrs *hdrs, int layer)
 749 {
 750         struct virtchnl_proto_hdr *hdr1;
 751         struct virtchnl_proto_hdr *hdr2;
 752         int i;
 753
 754         if (layer < 0 || layer > hdrs->count)
 755                 return;
 756
 757         /* shift headers layer */
 758         for (i = hdrs->count; i >= layer; i--) {
 759                 hdr1 = &hdrs->proto_hdr[i];
 760                 hdr2 = &hdrs->proto_hdr[i - 1];
 761                 *hdr1 = *hdr2;
 762         }
 763
 764         /* adding dummy fragment header */
 765         hdr1 = &hdrs->proto_hdr[layer];
 766         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4_FRAG);
 767         hdrs->count = ++layer;
 768 }
 769
 770 /* refine proto hdrs base on l2, l3, l4 rss type */
 771 static void
 772 iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
 773                             uint64_t rss_type)
 774 {
 775         struct virtchnl_proto_hdr *hdr;
 776         int i;
 777
 778         for (i = 0; i < proto_hdrs->count; i++) {
 779                 hdr = &proto_hdrs->proto_hdr[i];
 780                 switch (hdr->type) {
 781                 case VIRTCHNL_PROTO_HDR_ETH:
 782                         if (!(rss_type & ETH_RSS_ETH))
 783                                 hdr->field_selector = 0;
 784                         else if (rss_type & ETH_RSS_L2_SRC_ONLY)
 785                                 REFINE_PROTO_FLD(DEL, ETH_DST);
 786                         else if (rss_type & ETH_RSS_L2_DST_ONLY)
 787                                 REFINE_PROTO_FLD(DEL, ETH_SRC);
 788                         break;
 789                 case VIRTCHNL_PROTO_HDR_IPV4:
 790                         if (rss_type &
 791                             (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 792                              ETH_RSS_NONFRAG_IPV4_UDP |
 793                              ETH_RSS_NONFRAG_IPV4_TCP |
 794                              ETH_RSS_NONFRAG_IPV4_SCTP)) {
 795                                 if (rss_type & ETH_RSS_FRAG_IPV4) {
 796                                         iavf_hash_add_fragment_hdr(proto_hdrs, i + 1);
 797                                 } else if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 798                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 799                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 800                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 801                                 } else if (rss_type &
 802                                            (ETH_RSS_L4_SRC_ONLY |
 803                                             ETH_RSS_L4_DST_ONLY)) {
 804                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 805                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 806                                 }
 807                         } else {
 808                                 hdr->field_selector = 0;
 809                         }
 810
 811                         if (rss_type & ETH_RSS_IPV4_CHKSUM)
 812                                 REFINE_PROTO_FLD(ADD, IPV4_CHKSUM);
 813
 814                         break;
 815                 case VIRTCHNL_PROTO_HDR_IPV4_FRAG:
 816                         if (rss_type &
 817                             (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 818                              ETH_RSS_NONFRAG_IPV4_UDP |
 819                              ETH_RSS_NONFRAG_IPV4_TCP |
 820                              ETH_RSS_NONFRAG_IPV4_SCTP)) {
 821                                 if (rss_type & ETH_RSS_FRAG_IPV4)
 822                                         REFINE_PROTO_FLD(ADD, IPV4_FRAG_PKID);
 823                         } else {
 824                                 hdr->field_selector = 0;
 825                         }
 826
 827                         if (rss_type & ETH_RSS_IPV4_CHKSUM)
 828                                 REFINE_PROTO_FLD(ADD, IPV4_CHKSUM);
 829
 830                         break;
 831                 case VIRTCHNL_PROTO_HDR_IPV6:
 832                         if (rss_type &
 833                             (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
 834                              ETH_RSS_NONFRAG_IPV6_UDP |
 835                              ETH_RSS_NONFRAG_IPV6_TCP |
 836                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 837                                 if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 838                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 839                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 840                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 841                                 } else if (rss_type &
 842                                            (ETH_RSS_L4_SRC_ONLY |
 843                                             ETH_RSS_L4_DST_ONLY)) {
 844                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 845                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 846                                 }
 847                         } else {
 848                                 hdr->field_selector = 0;
 849                         }
 850                         if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 851                                 if (REFINE_PROTO_FLD(TEST, IPV6_SRC))
 852                                         REPALCE_PROTO_FLD(IPV6_SRC,
 853                                                           IPV6_PREFIX64_SRC);
 854                                 if (REFINE_PROTO_FLD(TEST, IPV6_DST))
 855                                         REPALCE_PROTO_FLD(IPV6_DST,
 856                                                           IPV6_PREFIX64_DST);
 857                         }
 858                         break;
 859                 case VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG:
 860                         if (rss_type & ETH_RSS_FRAG_IPV6)
 861                                 REFINE_PROTO_FLD(ADD, IPV6_EH_FRAG_PKID);
 862                         else
 863                                 hdr->field_selector = 0;
 864
 865                         break;
 866                 case VIRTCHNL_PROTO_HDR_UDP:
 867                         if (rss_type &
 868                             (ETH_RSS_NONFRAG_IPV4_UDP |
 869                              ETH_RSS_NONFRAG_IPV6_UDP)) {
 870                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 871                                         REFINE_PROTO_FLD(DEL, UDP_DST_PORT);
 872                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 873                                         REFINE_PROTO_FLD(DEL, UDP_SRC_PORT);
 874                                 else if (rss_type &
 875                                          (ETH_RSS_L3_SRC_ONLY |
 876                                           ETH_RSS_L3_DST_ONLY))
 877                                         hdr->field_selector = 0;
 878                         } else {
 879                                 hdr->field_selector = 0;
 880                         }
 881
 882                         if (rss_type & ETH_RSS_L4_CHKSUM)
 883                                 REFINE_PROTO_FLD(ADD, UDP_CHKSUM);
 884                         break;
 885                 case VIRTCHNL_PROTO_HDR_TCP:
 886                         if (rss_type &
 887                             (ETH_RSS_NONFRAG_IPV4_TCP |
 888                              ETH_RSS_NONFRAG_IPV6_TCP)) {
 889                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 890                                         REFINE_PROTO_FLD(DEL, TCP_DST_PORT);
 891                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 892                                         REFINE_PROTO_FLD(DEL, TCP_SRC_PORT);
 893                                 else if (rss_type &
 894                                          (ETH_RSS_L3_SRC_ONLY |
 895                                           ETH_RSS_L3_DST_ONLY))
 896                                         hdr->field_selector = 0;
 897                         } else {
 898                                 hdr->field_selector = 0;
 899                         }
 900
 901                         if (rss_type & ETH_RSS_L4_CHKSUM)
 902                                 REFINE_PROTO_FLD(ADD, TCP_CHKSUM);
 903                         break;
 904                 case VIRTCHNL_PROTO_HDR_SCTP:
 905                         if (rss_type &
 906                             (ETH_RSS_NONFRAG_IPV4_SCTP |
 907                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 908                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 909                                         REFINE_PROTO_FLD(DEL, SCTP_DST_PORT);
 910                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 911                                         REFINE_PROTO_FLD(DEL, SCTP_SRC_PORT);
 912                                 else if (rss_type &
 913                                          (ETH_RSS_L3_SRC_ONLY |
 914                                           ETH_RSS_L3_DST_ONLY))
 915                                         hdr->field_selector = 0;
 916                         } else {
 917                                 hdr->field_selector = 0;
 918                         }
 919
 920                         if (rss_type & ETH_RSS_L4_CHKSUM)
 921                                 REFINE_PROTO_FLD(ADD, SCTP_CHKSUM);
 922                         break;
 923                 case VIRTCHNL_PROTO_HDR_S_VLAN:
 924                         if (!(rss_type & ETH_RSS_S_VLAN))
 925                                 hdr->field_selector = 0;
 926                         break;
 927                 case VIRTCHNL_PROTO_HDR_C_VLAN:
 928                         if (!(rss_type & ETH_RSS_C_VLAN))
 929                                 hdr->field_selector = 0;
 930                         break;
 931                 case VIRTCHNL_PROTO_HDR_L2TPV3:
 932                         if (!(rss_type & ETH_RSS_L2TPV3))
 933                                 hdr->field_selector = 0;
 934                         break;
 935                 case VIRTCHNL_PROTO_HDR_ESP:
 936                         if (!(rss_type & ETH_RSS_ESP))
 937                                 hdr->field_selector = 0;
 938                         break;
 939                 case VIRTCHNL_PROTO_HDR_AH:
 940                         if (!(rss_type & ETH_RSS_AH))
 941                                 hdr->field_selector = 0;
 942                         break;
 943                 case VIRTCHNL_PROTO_HDR_PFCP:
 944                         if (!(rss_type & ETH_RSS_PFCP))
 945                                 hdr->field_selector = 0;
 946                         break;
 947                 case VIRTCHNL_PROTO_HDR_ECPRI:
 948                         if (!(rss_type & ETH_RSS_ECPRI))
 949                                 hdr->field_selector = 0;
 950                         break;
 951                 default:
 952                         break;
 953                 }
 954         }
 955 }
 956
 957 /* refine proto hdrs base on gtpu rss type */
 958 static void
 959 iavf_refine_proto_hdrs_gtpu(struct virtchnl_proto_hdrs *proto_hdrs,
 960                             uint64_t rss_type)
 961 {
 962         struct virtchnl_proto_hdr *hdr;
 963         int i;
 964
 965         if (!(rss_type & ETH_RSS_GTPU))
 966                 return;
 967
 968         for (i = 0; i < proto_hdrs->count; i++) {
 969                 hdr = &proto_hdrs->proto_hdr[i];
 970                 switch (hdr->type) {
 971                 case VIRTCHNL_PROTO_HDR_GTPU_IP:
 972                         REFINE_PROTO_FLD(ADD, GTPU_IP_TEID);
 973                         break;
 974                 default:
 975                         break;
 976                 }
 977         }
 978 }
 979
 980 static void
 981 iavf_refine_proto_hdrs_by_pattern(struct virtchnl_proto_hdrs *proto_hdrs,
 982                                   uint64_t phint)
 983 {
 984         struct virtchnl_proto_hdr *hdr1;
 985         struct virtchnl_proto_hdr *hdr2;
 986         int i, shift_count = 1;
 987         int tun_lvl = proto_hdrs->tunnel_level;
 988
 989         if (!(phint & IAVF_PHINT_GTPU_MSK) && !(phint & IAVF_PHINT_GRE))
 990                 return;
 991
 992         while (tun_lvl) {
 993                 if (phint & IAVF_PHINT_LAYERS_MSK)
 994                         shift_count = 2;
 995
 996                 /* shift headers layer */
 997                 for (i = proto_hdrs->count - 1 + shift_count;
 998                      i > shift_count - 1; i--) {
 999                         hdr1 = &proto_hdrs->proto_hdr[i];
1000                         hdr2 = &proto_hdrs->proto_hdr[i - shift_count];
1001                         *hdr1 = *hdr2;
1002                 }
1003
1004                 if (shift_count == 1) {
1005                         /* adding tunnel header at layer 0 */
1006                         hdr1 = &proto_hdrs->proto_hdr[0];
1007                 } else {
1008                         /* adding tunnel header and outer ip header */
1009                         hdr1 = &proto_hdrs->proto_hdr[1];
1010                         hdr2 = &proto_hdrs->proto_hdr[0];
1011                         hdr2->field_selector = 0;
1012                         proto_hdrs->count++;
1013                         tun_lvl--;
1014
1015                         if (tun_lvl == TUNNEL_LEVEL_OUTER) {
1016                                 if (phint & IAVF_PHINT_OUTER_IPV4)
1017                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
1018                                 else if (phint & IAVF_PHINT_OUTER_IPV6)
1019                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
1020                         } else if (tun_lvl == TUNNEL_LEVEL_INNER) {
1021                                 if (phint & IAVF_PHINT_MID_IPV4)
1022                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
1023                                 else if (phint & IAVF_PHINT_MID_IPV6)
1024                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
1025                         }
1026                 }
1027
1028                 hdr1->field_selector = 0;
1029                 proto_hdrs->count++;
1030
1031                 if (phint & IAVF_PHINT_GTPU_EH_DWN)
1032                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN);
1033                 else if (phint & IAVF_PHINT_GTPU_EH_UP)
1034                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_UP);
1035                 else if (phint & IAVF_PHINT_GTPU_EH)
1036                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH);
1037                 else if (phint & IAVF_PHINT_GTPU)
1038                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
1039
1040                 if (phint & IAVF_PHINT_GRE) {
1041                         if (phint & IAVF_PHINT_GTPU) {
1042                                 /* if GTPoGRE, add GRE header at the outer tunnel  */
1043                                 if (tun_lvl == TUNNEL_LEVEL_OUTER)
1044                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1045                         } else {
1046                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1047                         }
1048                 }
1049         }
1050         proto_hdrs->tunnel_level = tun_lvl;
1051 }
1052
1053 static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs *proto_hdrs,
1054                                    uint64_t rss_type, uint64_t phint)
1055 {
1056         iavf_refine_proto_hdrs_l234(proto_hdrs, rss_type);
1057         iavf_refine_proto_hdrs_by_pattern(proto_hdrs, phint);
1058         iavf_refine_proto_hdrs_gtpu(proto_hdrs, rss_type);
1059 }
1060
1061 static uint64_t invalid_rss_comb[] = {
1062         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
1063         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_TCP,
1064         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
1065         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP,
1066         RTE_ETH_RSS_L3_PRE32 | RTE_ETH_RSS_L3_PRE40 |
1067         RTE_ETH_RSS_L3_PRE48 | RTE_ETH_RSS_L3_PRE56 |
1068         RTE_ETH_RSS_L3_PRE96
1069 };
1070
1071 struct rss_attr_type {
1072         uint64_t attr;
1073         uint64_t type;
1074 };
1075
1076 #define VALID_RSS_IPV4_L4       (ETH_RSS_NONFRAG_IPV4_UDP       | \
1077                                  ETH_RSS_NONFRAG_IPV4_TCP       | \
1078                                  ETH_RSS_NONFRAG_IPV4_SCTP)
1079
1080 #define VALID_RSS_IPV6_L4       (ETH_RSS_NONFRAG_IPV6_UDP       | \
1081                                  ETH_RSS_NONFRAG_IPV6_TCP       | \
1082                                  ETH_RSS_NONFRAG_IPV6_SCTP)
1083
1084 #define VALID_RSS_IPV4          (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
1085                                  VALID_RSS_IPV4_L4)
1086 #define VALID_RSS_IPV6          (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
1087                                  VALID_RSS_IPV6_L4)
1088 #define VALID_RSS_L3            (VALID_RSS_IPV4 | VALID_RSS_IPV6)
1089 #define VALID_RSS_L4            (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
1090
1091 #define VALID_RSS_ATTR          (ETH_RSS_L3_SRC_ONLY    | \
1092                                  ETH_RSS_L3_DST_ONLY    | \
1093                                  ETH_RSS_L4_SRC_ONLY    | \
1094                                  ETH_RSS_L4_DST_ONLY    | \
1095                                  ETH_RSS_L2_SRC_ONLY    | \
1096                                  ETH_RSS_L2_DST_ONLY    | \
1097                                  RTE_ETH_RSS_L3_PRE64)
1098
1099 #define INVALID_RSS_ATTR        (RTE_ETH_RSS_L3_PRE32   | \
1100                                  RTE_ETH_RSS_L3_PRE40   | \
1101                                  RTE_ETH_RSS_L3_PRE48   | \
1102                                  RTE_ETH_RSS_L3_PRE56   | \
1103                                  RTE_ETH_RSS_L3_PRE96)
1104
1105 static struct rss_attr_type rss_attr_to_valid_type[] = {
1106         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
1107         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
1108         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
1109         /* current ipv6 prefix only supports prefix 64 bits*/
1110         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
1111         {INVALID_RSS_ATTR,                              0}
1112 };
1113
1114 static bool
1115 iavf_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
1116                           uint64_t rss_type, uint64_t allow_rss_type)
1117 {
1118         uint32_t i;
1119
1120         /**
1121          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
1122          * hash function.
1123          */
1124         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1125                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
1126                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
1127                         return true;
1128
1129                 if (!(rss_type &
1130                    (ETH_RSS_IPV4 | ETH_RSS_IPV6 |
1131                     ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
1132                     ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV6_TCP |
1133                     ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_NONFRAG_IPV6_SCTP)))
1134                         return true;
1135         }
1136
1137         /* check invalid combination */
1138         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
1139                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
1140                         return true;
1141         }
1142
1143         /* check invalid RSS attribute */
1144         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
1145                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
1146
1147                 if (rat->attr & rss_type && !(rat->type & rss_type))
1148                         return true;
1149         }
1150
1151         /* check not allowed RSS type */
1152         rss_type &= ~VALID_RSS_ATTR;
1153
1154         return ((rss_type & allow_rss_type) != rss_type);
1155 }
1156
1157 static int
1158 iavf_hash_parse_action(struct iavf_pattern_match_item *match_item,
1159                        const struct rte_flow_action actions[],
1160                        uint64_t pattern_hint, void **meta,
1161                        struct rte_flow_error *error)
1162 {
1163         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)*meta;
1164         struct virtchnl_proto_hdrs *proto_hdrs;
1165         enum rte_flow_action_type action_type;
1166         const struct rte_flow_action_rss *rss;
1167         const struct rte_flow_action *action;
1168         uint64_t rss_type;
1169
1170         /* Supported action is RSS. */
1171         for (action = actions; action->type !=
1172                 RTE_FLOW_ACTION_TYPE_END; action++) {
1173                 action_type = action->type;
1174                 switch (action_type) {
1175                 case RTE_FLOW_ACTION_TYPE_RSS:
1176                         rss = action->conf;
1177                         rss_type = rss->types;
1178
1179                         if (rss->func ==
1180                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
1181                                 rss_meta->rss_algorithm =
1182                                         VIRTCHNL_RSS_ALG_XOR_ASYMMETRIC;
1183                                 return rte_flow_error_set(error, ENOTSUP,
1184                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1185                                         "function simple_xor is not supported");
1186                         } else if (rss->func ==
1187                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1188                                 rss_meta->rss_algorithm =
1189                                         VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC;
1190                         } else {
1191                                 rss_meta->rss_algorithm =
1192                                         VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
1193                         }
1194
1195                         if (rss->level)
1196                                 return rte_flow_error_set(error, ENOTSUP,
1197                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1198                                         "a nonzero RSS encapsulation level is not supported");
1199
1200                         if (rss->key_len)
1201                                 return rte_flow_error_set(error, ENOTSUP,
1202                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1203                                         "a nonzero RSS key_len is not supported");
1204
1205                         if (rss->queue_num)
1206                                 return rte_flow_error_set(error, ENOTSUP,
1207                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1208                                         "a non-NULL RSS queue is not supported");
1209
1210                         /**
1211                          * Check simultaneous use of SRC_ONLY and DST_ONLY
1212                          * of the same level.
1213                          */
1214                         rss_type = rte_eth_rss_hf_refine(rss_type);
1215
1216                         if (iavf_any_invalid_rss_type(rss->func, rss_type,
1217                                         match_item->input_set_mask))
1218                                 return rte_flow_error_set(error, ENOTSUP,
1219                                                 RTE_FLOW_ERROR_TYPE_ACTION,
1220                                                 action, "RSS type not supported");
1221                         proto_hdrs = match_item->meta;
1222                         rss_meta->proto_hdrs = *proto_hdrs;
1223                         iavf_refine_proto_hdrs(&rss_meta->proto_hdrs,
1224                                                rss_type, pattern_hint);
1225                         break;
1226
1227                 case RTE_FLOW_ACTION_TYPE_END:
1228                         break;
1229
1230                 default:
1231                         rte_flow_error_set(error, EINVAL,
1232                                            RTE_FLOW_ERROR_TYPE_ACTION, action,
1233                                            "Invalid action.");
1234                         return -rte_errno;
1235                 }
1236         }
1237
1238         return 0;
1239 }
1240
1241 static int
1242 iavf_hash_parse_pattern_action(__rte_unused struct iavf_adapter *ad,
1243                                struct iavf_pattern_match_item *array,
1244                                uint32_t array_len,
1245                                const struct rte_flow_item pattern[],
1246                                const struct rte_flow_action actions[],
1247                                void **meta,
1248                                struct rte_flow_error *error)
1249 {
1250         struct iavf_pattern_match_item *pattern_match_item;
1251         struct iavf_rss_meta *rss_meta_ptr;
1252         uint64_t phint = IAVF_PHINT_NONE;
1253         int ret = 0;
1254
1255         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1256         if (!rss_meta_ptr) {
1257                 rte_flow_error_set(error, EINVAL,
1258                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1259                                    "No memory for rss_meta_ptr");
1260                 return -ENOMEM;
1261         }
1262
1263         /* Check rss supported pattern and find matched pattern. */
1264         pattern_match_item =
1265                 iavf_search_pattern_match_item(pattern, array, array_len,
1266                                                error);
1267         if (!pattern_match_item) {
1268                 ret = -rte_errno;
1269                 goto error;
1270         }
1271
1272         ret = iavf_hash_parse_pattern(pattern, &phint, error);
1273         if (ret)
1274                 goto error;
1275
1276         ret = iavf_hash_parse_action(pattern_match_item, actions, phint,
1277                                      (void **)&rss_meta_ptr, error);
1278
1279 error:
1280         if (!ret && meta)
1281                 *meta = rss_meta_ptr;
1282         else
1283                 rte_free(rss_meta_ptr);
1284
1285         rte_free(pattern_match_item);
1286
1287         return ret;
1288 }
1289
1290 static int
1291 iavf_hash_create(__rte_unused struct iavf_adapter *ad,
1292                  __rte_unused struct rte_flow *flow, void *meta,
1293                  __rte_unused struct rte_flow_error *error)
1294 {
1295         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)meta;
1296         struct virtchnl_rss_cfg *rss_cfg;
1297         int ret = 0;
1298
1299         rss_cfg = rte_zmalloc("iavf rss rule",
1300                               sizeof(struct virtchnl_rss_cfg), 0);
1301         if (!rss_cfg) {
1302                 rte_flow_error_set(error, EINVAL,
1303                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1304                                    "No memory for rss rule");
1305                 return -ENOMEM;
1306         }
1307
1308         rss_cfg->proto_hdrs = rss_meta->proto_hdrs;
1309         rss_cfg->rss_algorithm = rss_meta->rss_algorithm;
1310
1311         ret = iavf_add_del_rss_cfg(ad, rss_cfg, true);
1312         if (!ret) {
1313                 flow->rule = rss_cfg;
1314         } else {
1315                 PMD_DRV_LOG(ERR, "fail to add RSS configure");
1316                 rte_flow_error_set(error, -ret,
1317                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1318                                    "Failed to add rss rule.");
1319                 rte_free(rss_cfg);
1320                 return -rte_errno;
1321         }
1322
1323         rte_free(meta);
1324
1325         return ret;
1326 }
1327
1328 static int
1329 iavf_hash_destroy(__rte_unused struct iavf_adapter *ad,
1330                   struct rte_flow *flow,
1331                   __rte_unused struct rte_flow_error *error)
1332 {
1333         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1334         struct virtchnl_rss_cfg *rss_cfg;
1335         int ret = 0;
1336
1337         if (vf->vf_reset)
1338                 return 0;
1339
1340         rss_cfg = (struct virtchnl_rss_cfg *)flow->rule;
1341
1342         ret = iavf_add_del_rss_cfg(ad, rss_cfg, false);
1343         if (ret) {
1344                 PMD_DRV_LOG(ERR, "fail to del RSS configure");
1345                 rte_flow_error_set(error, -ret,
1346                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1347                                    "Failed to delete rss rule.");
1348                 return -rte_errno;
1349         }
1350         return ret;
1351 }
1352
1353 static void
1354 iavf_hash_uninit(struct iavf_adapter *ad)
1355 {
1356         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1357         struct rte_eth_rss_conf *rss_conf;
1358
1359         if (vf->vf_reset)
1360                 return;
1361
1362         if (!vf->vf_res)
1363                 return;
1364
1365         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
1366                 return;
1367
1368         rss_conf = &ad->dev_data->dev_conf.rx_adv_conf.rss_conf;
1369         if (iavf_rss_hash_set(ad, rss_conf->rss_hf, false))
1370                 PMD_DRV_LOG(ERR, "fail to delete default RSS");
1371
1372         iavf_unregister_parser(&iavf_hash_parser, ad);
1373 }
1374
1375 static void
1376 iavf_hash_free(struct rte_flow *flow)
1377 {
1378         rte_free(flow->rule);
1379 }