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 #define IAVF_RSS_TYPE_OUTER_IPV4_UDP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 347                                          ETH_RSS_NONFRAG_IPV4_UDP)
 348 #define IAVF_RSS_TYPE_OUTER_IPV4_TCP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 349                                          ETH_RSS_NONFRAG_IPV4_TCP)
 350 #define IAVF_RSS_TYPE_OUTER_IPV4_SCTP   (IAVF_RSS_TYPE_OUTER_IPV4 | \
 351                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 352 /* IPv6 outer */
 353 #define IAVF_RSS_TYPE_OUTER_IPV6        (ETH_RSS_ETH | ETH_RSS_IPV6)
 354 #define IAVF_RSS_TYPE_OUTER_IPV6_FRAG   (IAVF_RSS_TYPE_OUTER_IPV6 | \
 355                                          ETH_RSS_FRAG_IPV6)
 356 #define IAVF_RSS_TYPE_OUTER_IPV6_UDP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 357                                          ETH_RSS_NONFRAG_IPV6_UDP)
 358 #define IAVF_RSS_TYPE_OUTER_IPV6_TCP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 359                                          ETH_RSS_NONFRAG_IPV6_TCP)
 360 #define IAVF_RSS_TYPE_OUTER_IPV6_SCTP   (IAVF_RSS_TYPE_OUTER_IPV6 | \
 361                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 362 /* VLAN IPV4 */
 363 #define IAVF_RSS_TYPE_VLAN_IPV4         (IAVF_RSS_TYPE_OUTER_IPV4 | \
 364                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 365 #define IAVF_RSS_TYPE_VLAN_IPV4_UDP     (IAVF_RSS_TYPE_OUTER_IPV4_UDP | \
 366                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 367 #define IAVF_RSS_TYPE_VLAN_IPV4_TCP     (IAVF_RSS_TYPE_OUTER_IPV4_TCP | \
 368                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 369 #define IAVF_RSS_TYPE_VLAN_IPV4_SCTP    (IAVF_RSS_TYPE_OUTER_IPV4_SCTP | \
 370                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 371 /* VLAN IPv6 */
 372 #define IAVF_RSS_TYPE_VLAN_IPV6         (IAVF_RSS_TYPE_OUTER_IPV6 | \
 373                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 374 #define IAVF_RSS_TYPE_VLAN_IPV6_FRAG    (IAVF_RSS_TYPE_OUTER_IPV6_FRAG | \
 375                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 376 #define IAVF_RSS_TYPE_VLAN_IPV6_UDP     (IAVF_RSS_TYPE_OUTER_IPV6_UDP | \
 377                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 378 #define IAVF_RSS_TYPE_VLAN_IPV6_TCP     (IAVF_RSS_TYPE_OUTER_IPV6_TCP | \
 379                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 380 #define IAVF_RSS_TYPE_VLAN_IPV6_SCTP    (IAVF_RSS_TYPE_OUTER_IPV6_SCTP | \
 381                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 382 /* IPv4 inner */
 383 #define IAVF_RSS_TYPE_INNER_IPV4        ETH_RSS_IPV4
 384 #define IAVF_RSS_TYPE_INNER_IPV4_UDP    (ETH_RSS_IPV4 | \
 385                                          ETH_RSS_NONFRAG_IPV4_UDP)
 386 #define IAVF_RSS_TYPE_INNER_IPV4_TCP    (ETH_RSS_IPV4 | \
 387                                          ETH_RSS_NONFRAG_IPV4_TCP)
 388 #define IAVF_RSS_TYPE_INNER_IPV4_SCTP   (ETH_RSS_IPV4 | \
 389                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 390 /* IPv6 inner */
 391 #define IAVF_RSS_TYPE_INNER_IPV6        ETH_RSS_IPV6
 392 #define IAVF_RSS_TYPE_INNER_IPV6_UDP    (ETH_RSS_IPV6 | \
 393                                          ETH_RSS_NONFRAG_IPV6_UDP)
 394 #define IAVF_RSS_TYPE_INNER_IPV6_TCP    (ETH_RSS_IPV6 | \
 395                                          ETH_RSS_NONFRAG_IPV6_TCP)
 396 #define IAVF_RSS_TYPE_INNER_IPV6_SCTP   (ETH_RSS_IPV6 | \
 397                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 398 /* GTPU IPv4 */
 399 #define IAVF_RSS_TYPE_GTPU_IPV4         (IAVF_RSS_TYPE_INNER_IPV4 | \
 400                                          ETH_RSS_GTPU)
 401 #define IAVF_RSS_TYPE_GTPU_IPV4_UDP     (IAVF_RSS_TYPE_INNER_IPV4_UDP | \
 402                                          ETH_RSS_GTPU)
 403 #define IAVF_RSS_TYPE_GTPU_IPV4_TCP     (IAVF_RSS_TYPE_INNER_IPV4_TCP | \
 404                                          ETH_RSS_GTPU)
 405 /* GTPU IPv6 */
 406 #define IAVF_RSS_TYPE_GTPU_IPV6         (IAVF_RSS_TYPE_INNER_IPV6 | \
 407                                          ETH_RSS_GTPU)
 408 #define IAVF_RSS_TYPE_GTPU_IPV6_UDP     (IAVF_RSS_TYPE_INNER_IPV6_UDP | \
 409                                          ETH_RSS_GTPU)
 410 #define IAVF_RSS_TYPE_GTPU_IPV6_TCP     (IAVF_RSS_TYPE_INNER_IPV6_TCP | \
 411                                          ETH_RSS_GTPU)
 412 /* ESP, AH, L2TPV3 and PFCP */
 413 #define IAVF_RSS_TYPE_IPV4_ESP          (ETH_RSS_ESP | ETH_RSS_IPV4)
 414 #define IAVF_RSS_TYPE_IPV4_AH           (ETH_RSS_AH | ETH_RSS_IPV4)
 415 #define IAVF_RSS_TYPE_IPV6_ESP          (ETH_RSS_ESP | ETH_RSS_IPV6)
 416 #define IAVF_RSS_TYPE_IPV6_AH           (ETH_RSS_AH | ETH_RSS_IPV6)
 417 #define IAVF_RSS_TYPE_IPV4_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 418 #define IAVF_RSS_TYPE_IPV6_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 419 #define IAVF_RSS_TYPE_IPV4_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV4)
 420 #define IAVF_RSS_TYPE_IPV6_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV6)
 421
 422 /**
 423  * Supported pattern for hash.
 424  * The first member is pattern item type,
 425  * the second member is input set mask,
 426  * the third member is virtchnl_proto_hdrs template
 427  */
 428 static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
 429         /* IPv4 */
 430         {iavf_pattern_eth_ipv4,                         IAVF_RSS_TYPE_OUTER_IPV4,       &outer_ipv4_tmplt},
 431         {iavf_pattern_eth_ipv4_udp,                     IAVF_RSS_TYPE_OUTER_IPV4_UDP,   &outer_ipv4_udp_tmplt},
 432         {iavf_pattern_eth_ipv4_tcp,                     IAVF_RSS_TYPE_OUTER_IPV4_TCP,   &outer_ipv4_tcp_tmplt},
 433         {iavf_pattern_eth_ipv4_sctp,                    IAVF_RSS_TYPE_OUTER_IPV4_SCTP,  &outer_ipv4_sctp_tmplt},
 434         {iavf_pattern_eth_vlan_ipv4,                    IAVF_RSS_TYPE_VLAN_IPV4,        &outer_ipv4_tmplt},
 435         {iavf_pattern_eth_vlan_ipv4_udp,                IAVF_RSS_TYPE_VLAN_IPV4_UDP,    &outer_ipv4_udp_tmplt},
 436         {iavf_pattern_eth_vlan_ipv4_tcp,                IAVF_RSS_TYPE_VLAN_IPV4_TCP,    &outer_ipv4_tcp_tmplt},
 437         {iavf_pattern_eth_vlan_ipv4_sctp,               IAVF_RSS_TYPE_VLAN_IPV4_SCTP,   &outer_ipv4_sctp_tmplt},
 438         {iavf_pattern_eth_ipv4_gtpu,                    ETH_RSS_IPV4,                   &outer_ipv4_udp_tmplt},
 439         {iavf_pattern_eth_ipv4_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 440         {iavf_pattern_eth_ipv4_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 441         {iavf_pattern_eth_ipv4_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 442         {iavf_pattern_eth_ipv6_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 443         {iavf_pattern_eth_ipv6_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 444         {iavf_pattern_eth_ipv6_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 445         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 446         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 447         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 448         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 449         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 450         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 451         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 452         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 453         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 454         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 455         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 456         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 457         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 458         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 459         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 460         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4,              IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 461         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_udp,          IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 462         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv4_tcp,          IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 463         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 464         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 465         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 466         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 467         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 468         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 469         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 470         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 471         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 472         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4,           IAVF_RSS_TYPE_GTPU_IPV4,        &second_inner_ipv4_tmplt},
 473         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_udp,       IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &second_inner_ipv4_udp_tmplt},
 474         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv4_tcp,       IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &second_inner_ipv4_tcp_tmplt},
 475         {iavf_pattern_eth_ipv4_esp,                     IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_esp_tmplt},
 476         {iavf_pattern_eth_ipv4_udp_esp,                 IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_udp_esp_tmplt},
 477         {iavf_pattern_eth_ipv4_ah,                      IAVF_RSS_TYPE_IPV4_AH,          &ipv4_ah_tmplt},
 478         {iavf_pattern_eth_ipv4_l2tpv3,                  IAVF_RSS_TYPE_IPV4_L2TPV3,      &ipv4_l2tpv3_tmplt},
 479         {iavf_pattern_eth_ipv4_pfcp,                    IAVF_RSS_TYPE_IPV4_PFCP,        &ipv4_pfcp_tmplt},
 480         {iavf_pattern_eth_ipv4_gtpc,                    ETH_RSS_IPV4,                   &ipv4_udp_gtpc_tmplt},
 481         {iavf_pattern_eth_ecpri,                        ETH_RSS_ECPRI,                  &eth_ecpri_tmplt},
 482         {iavf_pattern_eth_ipv4_ecpri,                   ETH_RSS_ECPRI,                  &ipv4_ecpri_tmplt},
 483         {iavf_pattern_eth_ipv4_gre_ipv4,                IAVF_RSS_TYPE_INNER_IPV4,       &inner_ipv4_tmplt},
 484         {iavf_pattern_eth_ipv6_gre_ipv4,                IAVF_RSS_TYPE_INNER_IPV4, &inner_ipv4_tmplt},
 485         {iavf_pattern_eth_ipv4_gre_ipv4_tcp,    IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
 486         {iavf_pattern_eth_ipv6_gre_ipv4_tcp,    IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
 487         {iavf_pattern_eth_ipv4_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
 488         {iavf_pattern_eth_ipv6_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
 489         /* IPv6 */
 490         {iavf_pattern_eth_ipv6,                         IAVF_RSS_TYPE_OUTER_IPV6,       &outer_ipv6_tmplt},
 491         {iavf_pattern_eth_ipv6_frag_ext,                IAVF_RSS_TYPE_OUTER_IPV6_FRAG,  &outer_ipv6_frag_tmplt},
 492         {iavf_pattern_eth_ipv6_udp,                     IAVF_RSS_TYPE_OUTER_IPV6_UDP,   &outer_ipv6_udp_tmplt},
 493         {iavf_pattern_eth_ipv6_tcp,                     IAVF_RSS_TYPE_OUTER_IPV6_TCP,   &outer_ipv6_tcp_tmplt},
 494         {iavf_pattern_eth_ipv6_sctp,                    IAVF_RSS_TYPE_OUTER_IPV6_SCTP,  &outer_ipv6_sctp_tmplt},
 495         {iavf_pattern_eth_vlan_ipv6,                    IAVF_RSS_TYPE_VLAN_IPV6,        &outer_ipv6_tmplt},
 496         {iavf_pattern_eth_vlan_ipv6_frag_ext,           IAVF_RSS_TYPE_OUTER_IPV6_FRAG,  &outer_ipv6_frag_tmplt},
 497         {iavf_pattern_eth_vlan_ipv6_udp,                IAVF_RSS_TYPE_VLAN_IPV6_UDP,    &outer_ipv6_udp_tmplt},
 498         {iavf_pattern_eth_vlan_ipv6_tcp,                IAVF_RSS_TYPE_VLAN_IPV6_TCP,    &outer_ipv6_tcp_tmplt},
 499         {iavf_pattern_eth_vlan_ipv6_sctp,               IAVF_RSS_TYPE_VLAN_IPV6_SCTP,   &outer_ipv6_sctp_tmplt},
 500         {iavf_pattern_eth_ipv6_gtpu,                    ETH_RSS_IPV6,                   &outer_ipv6_udp_tmplt},
 501         {iavf_pattern_eth_ipv4_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 502         {iavf_pattern_eth_ipv4_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 503         {iavf_pattern_eth_ipv4_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 504         {iavf_pattern_eth_ipv6_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 505         {iavf_pattern_eth_ipv6_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 506         {iavf_pattern_eth_ipv6_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 507         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 508         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 509         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 510         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 511         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 512         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 513         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 514         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 515         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 516         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 517         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 518         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 519         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 520         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 521         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 522         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6,              IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 523         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_udp,          IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 524         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_ipv6_tcp,          IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 525         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 526         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 527         {iavf_pattern_eth_ipv4_gre_ipv4_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 528         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 529         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 530         {iavf_pattern_eth_ipv4_gre_ipv6_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 531         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 532         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 533         {iavf_pattern_eth_ipv6_gre_ipv4_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 534         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6,           IAVF_RSS_TYPE_GTPU_IPV6,        &second_inner_ipv6_tmplt},
 535         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_udp,       IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &second_inner_ipv6_udp_tmplt},
 536         {iavf_pattern_eth_ipv6_gre_ipv6_gtpu_eh_ipv6_tcp,       IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &second_inner_ipv6_tcp_tmplt},
 537         {iavf_pattern_eth_ipv6_esp,                     IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_esp_tmplt},
 538         {iavf_pattern_eth_ipv6_udp_esp,                 IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_udp_esp_tmplt},
 539         {iavf_pattern_eth_ipv6_ah,                      IAVF_RSS_TYPE_IPV6_AH,          &ipv6_ah_tmplt},
 540         {iavf_pattern_eth_ipv6_l2tpv3,                  IAVF_RSS_TYPE_IPV6_L2TPV3,      &ipv6_l2tpv3_tmplt},
 541         {iavf_pattern_eth_ipv6_pfcp,                    IAVF_RSS_TYPE_IPV6_PFCP,        &ipv6_pfcp_tmplt},
 542         {iavf_pattern_eth_ipv6_gtpc,                    ETH_RSS_IPV6,                   &ipv6_udp_gtpc_tmplt},
 543         {iavf_pattern_eth_ipv4_gre_ipv6,                IAVF_RSS_TYPE_INNER_IPV6,       &inner_ipv6_tmplt},
 544         {iavf_pattern_eth_ipv6_gre_ipv6,                IAVF_RSS_TYPE_INNER_IPV6, &inner_ipv6_tmplt},
 545         {iavf_pattern_eth_ipv4_gre_ipv6_tcp,    IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
 546         {iavf_pattern_eth_ipv6_gre_ipv6_tcp,    IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
 547         {iavf_pattern_eth_ipv4_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
 548         {iavf_pattern_eth_ipv6_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
 549 };
 550
 551 static struct iavf_flow_engine iavf_hash_engine = {
 552         .init = iavf_hash_init,
 553         .create = iavf_hash_create,
 554         .destroy = iavf_hash_destroy,
 555         .uninit = iavf_hash_uninit,
 556         .free = iavf_hash_free,
 557         .type = IAVF_FLOW_ENGINE_HASH,
 558 };
 559
 560 /* Register parser for comms package. */
 561 static struct iavf_flow_parser iavf_hash_parser = {
 562         .engine = &iavf_hash_engine,
 563         .array = iavf_hash_pattern_list,
 564         .array_len = RTE_DIM(iavf_hash_pattern_list),
 565         .parse_pattern_action = iavf_hash_parse_pattern_action,
 566         .stage = IAVF_FLOW_STAGE_RSS,
 567 };
 568
 569 int
 570 iavf_rss_hash_set(struct iavf_adapter *ad, uint64_t rss_hf, bool add)
 571 {
 572         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 573         struct virtchnl_rss_cfg rss_cfg;
 574
 575 #define IAVF_RSS_HF_ALL ( \
 576         ETH_RSS_IPV4 | \
 577         ETH_RSS_IPV6 | \
 578         ETH_RSS_NONFRAG_IPV4_UDP | \
 579         ETH_RSS_NONFRAG_IPV6_UDP | \
 580         ETH_RSS_NONFRAG_IPV4_TCP | \
 581         ETH_RSS_NONFRAG_IPV6_TCP | \
 582         ETH_RSS_NONFRAG_IPV4_SCTP | \
 583         ETH_RSS_NONFRAG_IPV6_SCTP)
 584
 585         rss_cfg.rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
 586         if (rss_hf & ETH_RSS_IPV4) {
 587                 rss_cfg.proto_hdrs = inner_ipv4_tmplt;
 588                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 589         }
 590
 591         if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
 592                 rss_cfg.proto_hdrs = inner_ipv4_udp_tmplt;
 593                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 594         }
 595
 596         if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
 597                 rss_cfg.proto_hdrs = inner_ipv4_tcp_tmplt;
 598                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 599         }
 600
 601         if (rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) {
 602                 rss_cfg.proto_hdrs = inner_ipv4_sctp_tmplt;
 603                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 604         }
 605
 606         if (rss_hf & ETH_RSS_IPV6) {
 607                 rss_cfg.proto_hdrs = inner_ipv6_tmplt;
 608                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 609         }
 610
 611         if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) {
 612                 rss_cfg.proto_hdrs = inner_ipv6_udp_tmplt;
 613                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 614         }
 615
 616         if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
 617                 rss_cfg.proto_hdrs = inner_ipv6_tcp_tmplt;
 618                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 619         }
 620
 621         if (rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) {
 622                 rss_cfg.proto_hdrs = inner_ipv6_sctp_tmplt;
 623                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 624         }
 625
 626         vf->rss_hf = rss_hf & IAVF_RSS_HF_ALL;
 627         return 0;
 628 }
 629
 630 RTE_INIT(iavf_hash_engine_init)
 631 {
 632         struct iavf_flow_engine *engine = &iavf_hash_engine;
 633
 634         iavf_register_flow_engine(engine);
 635 }
 636
 637 static int
 638 iavf_hash_init(struct iavf_adapter *ad)
 639 {
 640         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 641         struct iavf_flow_parser *parser;
 642         int ret;
 643
 644         if (vf->vf_reset)
 645                 return -EIO;
 646
 647         if (!vf->vf_res)
 648                 return -EINVAL;
 649
 650         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
 651                 return -ENOTSUP;
 652
 653         parser = &iavf_hash_parser;
 654
 655         ret = iavf_register_parser(parser, ad);
 656         if (ret) {
 657                 PMD_DRV_LOG(ERR, "fail to register hash parser");
 658                 return ret;
 659         }
 660
 661         return ret;
 662 }
 663
 664 static int
 665 iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 666                         struct rte_flow_error *error)
 667 {
 668         const struct rte_flow_item *item = pattern;
 669         const struct rte_flow_item_gtp_psc *psc;
 670         const struct rte_flow_item_ecpri *ecpri;
 671         struct rte_ecpri_common_hdr ecpri_common;
 672
 673         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 674                 if (item->last) {
 675                         rte_flow_error_set(error, EINVAL,
 676                                            RTE_FLOW_ERROR_TYPE_ITEM, item,
 677                                            "Not support range");
 678                         return -rte_errno;
 679                 }
 680
 681                 switch (item->type) {
 682                 case RTE_FLOW_ITEM_TYPE_IPV4:
 683                         if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
 684                                 *phint |= IAVF_PHINT_OUTER_IPV4;
 685                         if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
 686                                 *phint |= IAVF_PHINT_MID_IPV4;
 687                         break;
 688                 case RTE_FLOW_ITEM_TYPE_IPV6:
 689                         if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
 690                                 *phint |= IAVF_PHINT_OUTER_IPV6;
 691                         if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
 692                                 *phint |= IAVF_PHINT_MID_IPV6;
 693                         break;
 694                 case RTE_FLOW_ITEM_TYPE_GTPU:
 695                         *phint |= IAVF_PHINT_GTPU;
 696                         break;
 697                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 698                         *phint |= IAVF_PHINT_GTPU_EH;
 699                         psc = item->spec;
 700                         if (!psc)
 701                                 break;
 702                         else if (psc->hdr.type == IAVF_GTPU_EH_UPLINK)
 703                                 *phint |= IAVF_PHINT_GTPU_EH_UP;
 704                         else if (psc->hdr.type == IAVF_GTPU_EH_DWNLINK)
 705                                 *phint |= IAVF_PHINT_GTPU_EH_DWN;
 706                         break;
 707                 case RTE_FLOW_ITEM_TYPE_ECPRI:
 708                         ecpri = item->spec;
 709                         if (!ecpri)
 710                                 break;
 711
 712                         ecpri_common.u32 = rte_be_to_cpu_32(ecpri->hdr.common.u32);
 713
 714                         if (ecpri_common.type !=
 715                                  RTE_ECPRI_MSG_TYPE_IQ_DATA) {
 716                                 rte_flow_error_set(error, EINVAL,
 717                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 718                                         "Unsupported common type.");
 719                                 return -rte_errno;
 720                         }
 721                         break;
 722                 case RTE_FLOW_ITEM_TYPE_GRE:
 723                         *phint |= IAVF_PHINT_GRE;
 724                 default:
 725                         break;
 726                 }
 727         }
 728
 729         return 0;
 730 }
 731
 732 #define REFINE_PROTO_FLD(op, fld) \
 733         VIRTCHNL_##op##_PROTO_HDR_FIELD(hdr, VIRTCHNL_PROTO_HDR_##fld)
 734 #define REPALCE_PROTO_FLD(fld_1, fld_2) \
 735 do { \
 736         REFINE_PROTO_FLD(DEL, fld_1);   \
 737         REFINE_PROTO_FLD(ADD, fld_2);   \
 738 } while (0)
 739
 740 static void
 741 iavf_hash_add_fragment_hdr(struct virtchnl_proto_hdrs *hdrs, int layer)
 742 {
 743         struct virtchnl_proto_hdr *hdr1;
 744         struct virtchnl_proto_hdr *hdr2;
 745         int i;
 746
 747         if (layer < 0 || layer > hdrs->count)
 748                 return;
 749
 750         /* shift headers layer */
 751         for (i = hdrs->count; i >= layer; i--) {
 752                 hdr1 = &hdrs->proto_hdr[i];
 753                 hdr2 = &hdrs->proto_hdr[i - 1];
 754                 *hdr1 = *hdr2;
 755         }
 756
 757         /* adding dummy fragment header */
 758         hdr1 = &hdrs->proto_hdr[layer];
 759         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4_FRAG);
 760         hdrs->count = ++layer;
 761 }
 762
 763 /* refine proto hdrs base on l2, l3, l4 rss type */
 764 static void
 765 iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
 766                             uint64_t rss_type)
 767 {
 768         struct virtchnl_proto_hdr *hdr;
 769         int i;
 770
 771         for (i = 0; i < proto_hdrs->count; i++) {
 772                 hdr = &proto_hdrs->proto_hdr[i];
 773                 switch (hdr->type) {
 774                 case VIRTCHNL_PROTO_HDR_ETH:
 775                         if (!(rss_type & ETH_RSS_ETH))
 776                                 hdr->field_selector = 0;
 777                         else if (rss_type & ETH_RSS_L2_SRC_ONLY)
 778                                 REFINE_PROTO_FLD(DEL, ETH_DST);
 779                         else if (rss_type & ETH_RSS_L2_DST_ONLY)
 780                                 REFINE_PROTO_FLD(DEL, ETH_SRC);
 781                         break;
 782                 case VIRTCHNL_PROTO_HDR_IPV4:
 783                         if (rss_type &
 784                             (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 785                              ETH_RSS_NONFRAG_IPV4_UDP |
 786                              ETH_RSS_NONFRAG_IPV4_TCP |
 787                              ETH_RSS_NONFRAG_IPV4_SCTP)) {
 788                                 if (rss_type & ETH_RSS_FRAG_IPV4) {
 789                                         iavf_hash_add_fragment_hdr(proto_hdrs, i + 1);
 790                                 } else if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 791                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 792                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 793                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 794                                 } else if (rss_type &
 795                                            (ETH_RSS_L4_SRC_ONLY |
 796                                             ETH_RSS_L4_DST_ONLY)) {
 797                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 798                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 799                                 }
 800                         } else {
 801                                 hdr->field_selector = 0;
 802                         }
 803                         break;
 804                 case VIRTCHNL_PROTO_HDR_IPV4_FRAG:
 805                         if (rss_type &
 806                             (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 807                              ETH_RSS_NONFRAG_IPV4_UDP |
 808                              ETH_RSS_NONFRAG_IPV4_TCP |
 809                              ETH_RSS_NONFRAG_IPV4_SCTP)) {
 810                                 if (rss_type & ETH_RSS_FRAG_IPV4)
 811                                         REFINE_PROTO_FLD(ADD, IPV4_FRAG_PKID);
 812                         } else {
 813                                 hdr->field_selector = 0;
 814                         }
 815                         break;
 816                 case VIRTCHNL_PROTO_HDR_IPV6:
 817                         if (rss_type &
 818                             (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
 819                              ETH_RSS_NONFRAG_IPV6_UDP |
 820                              ETH_RSS_NONFRAG_IPV6_TCP |
 821                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 822                                 if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 823                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 824                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 825                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 826                                 } else if (rss_type &
 827                                            (ETH_RSS_L4_SRC_ONLY |
 828                                             ETH_RSS_L4_DST_ONLY)) {
 829                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 830                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 831                                 }
 832                         } else {
 833                                 hdr->field_selector = 0;
 834                         }
 835                         if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 836                                 if (REFINE_PROTO_FLD(TEST, IPV6_SRC))
 837                                         REPALCE_PROTO_FLD(IPV6_SRC,
 838                                                           IPV6_PREFIX64_SRC);
 839                                 if (REFINE_PROTO_FLD(TEST, IPV6_DST))
 840                                         REPALCE_PROTO_FLD(IPV6_DST,
 841                                                           IPV6_PREFIX64_DST);
 842                         }
 843                         break;
 844                 case VIRTCHNL_PROTO_HDR_IPV6_EH_FRAG:
 845                         if (rss_type & ETH_RSS_FRAG_IPV6)
 846                                 REFINE_PROTO_FLD(ADD, IPV6_EH_FRAG_PKID);
 847                         else
 848                                 hdr->field_selector = 0;
 849
 850                         break;
 851                 case VIRTCHNL_PROTO_HDR_UDP:
 852                         if (rss_type &
 853                             (ETH_RSS_NONFRAG_IPV4_UDP |
 854                              ETH_RSS_NONFRAG_IPV6_UDP)) {
 855                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 856                                         REFINE_PROTO_FLD(DEL, UDP_DST_PORT);
 857                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 858                                         REFINE_PROTO_FLD(DEL, UDP_SRC_PORT);
 859                                 else if (rss_type &
 860                                          (ETH_RSS_L3_SRC_ONLY |
 861                                           ETH_RSS_L3_DST_ONLY))
 862                                         hdr->field_selector = 0;
 863                         } else {
 864                                 hdr->field_selector = 0;
 865                         }
 866                         break;
 867                 case VIRTCHNL_PROTO_HDR_TCP:
 868                         if (rss_type &
 869                             (ETH_RSS_NONFRAG_IPV4_TCP |
 870                              ETH_RSS_NONFRAG_IPV6_TCP)) {
 871                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 872                                         REFINE_PROTO_FLD(DEL, TCP_DST_PORT);
 873                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 874                                         REFINE_PROTO_FLD(DEL, TCP_SRC_PORT);
 875                                 else if (rss_type &
 876                                          (ETH_RSS_L3_SRC_ONLY |
 877                                           ETH_RSS_L3_DST_ONLY))
 878                                         hdr->field_selector = 0;
 879                         } else {
 880                                 hdr->field_selector = 0;
 881                         }
 882                         break;
 883                 case VIRTCHNL_PROTO_HDR_SCTP:
 884                         if (rss_type &
 885                             (ETH_RSS_NONFRAG_IPV4_SCTP |
 886                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 887                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 888                                         REFINE_PROTO_FLD(DEL, SCTP_DST_PORT);
 889                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 890                                         REFINE_PROTO_FLD(DEL, SCTP_SRC_PORT);
 891                                 else if (rss_type &
 892                                          (ETH_RSS_L3_SRC_ONLY |
 893                                           ETH_RSS_L3_DST_ONLY))
 894                                         hdr->field_selector = 0;
 895                         } else {
 896                                 hdr->field_selector = 0;
 897                         }
 898                         break;
 899                 case VIRTCHNL_PROTO_HDR_S_VLAN:
 900                         if (!(rss_type & ETH_RSS_S_VLAN))
 901                                 hdr->field_selector = 0;
 902                         break;
 903                 case VIRTCHNL_PROTO_HDR_C_VLAN:
 904                         if (!(rss_type & ETH_RSS_C_VLAN))
 905                                 hdr->field_selector = 0;
 906                         break;
 907                 case VIRTCHNL_PROTO_HDR_L2TPV3:
 908                         if (!(rss_type & ETH_RSS_L2TPV3))
 909                                 hdr->field_selector = 0;
 910                         break;
 911                 case VIRTCHNL_PROTO_HDR_ESP:
 912                         if (!(rss_type & ETH_RSS_ESP))
 913                                 hdr->field_selector = 0;
 914                         break;
 915                 case VIRTCHNL_PROTO_HDR_AH:
 916                         if (!(rss_type & ETH_RSS_AH))
 917                                 hdr->field_selector = 0;
 918                         break;
 919                 case VIRTCHNL_PROTO_HDR_PFCP:
 920                         if (!(rss_type & ETH_RSS_PFCP))
 921                                 hdr->field_selector = 0;
 922                         break;
 923                 case VIRTCHNL_PROTO_HDR_ECPRI:
 924                         if (!(rss_type & ETH_RSS_ECPRI))
 925                                 hdr->field_selector = 0;
 926                         break;
 927                 default:
 928                         break;
 929                 }
 930         }
 931 }
 932
 933 /* refine proto hdrs base on gtpu rss type */
 934 static void
 935 iavf_refine_proto_hdrs_gtpu(struct virtchnl_proto_hdrs *proto_hdrs,
 936                             uint64_t rss_type)
 937 {
 938         struct virtchnl_proto_hdr *hdr;
 939         int i;
 940
 941         if (!(rss_type & ETH_RSS_GTPU))
 942                 return;
 943
 944         for (i = 0; i < proto_hdrs->count; i++) {
 945                 hdr = &proto_hdrs->proto_hdr[i];
 946                 switch (hdr->type) {
 947                 case VIRTCHNL_PROTO_HDR_GTPU_IP:
 948                         REFINE_PROTO_FLD(ADD, GTPU_IP_TEID);
 949                         break;
 950                 default:
 951                         break;
 952                 }
 953         }
 954 }
 955
 956 static void
 957 iavf_refine_proto_hdrs_by_pattern(struct virtchnl_proto_hdrs *proto_hdrs,
 958                                   uint64_t phint)
 959 {
 960         struct virtchnl_proto_hdr *hdr1;
 961         struct virtchnl_proto_hdr *hdr2;
 962         int i, shift_count = 1;
 963         int tun_lvl = proto_hdrs->tunnel_level;
 964
 965         if (!(phint & IAVF_PHINT_GTPU_MSK) && !(phint & IAVF_PHINT_GRE))
 966                 return;
 967
 968         while (tun_lvl) {
 969                 if (phint & IAVF_PHINT_LAYERS_MSK)
 970                         shift_count = 2;
 971
 972                 /* shift headers layer */
 973                 for (i = proto_hdrs->count - 1 + shift_count;
 974                      i > shift_count - 1; i--) {
 975                         hdr1 = &proto_hdrs->proto_hdr[i];
 976                         hdr2 = &proto_hdrs->proto_hdr[i - shift_count];
 977                         *hdr1 = *hdr2;
 978                 }
 979
 980                 if (shift_count == 1) {
 981                         /* adding tunnel header at layer 0 */
 982                         hdr1 = &proto_hdrs->proto_hdr[0];
 983                 } else {
 984                         /* adding tunnel header and outer ip header */
 985                         hdr1 = &proto_hdrs->proto_hdr[1];
 986                         hdr2 = &proto_hdrs->proto_hdr[0];
 987                         hdr2->field_selector = 0;
 988                         proto_hdrs->count++;
 989                         tun_lvl--;
 990
 991                         if (tun_lvl == TUNNEL_LEVEL_OUTER) {
 992                                 if (phint & IAVF_PHINT_OUTER_IPV4)
 993                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
 994                                 else if (phint & IAVF_PHINT_OUTER_IPV6)
 995                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
 996                         } else if (tun_lvl == TUNNEL_LEVEL_INNER) {
 997                                 if (phint & IAVF_PHINT_MID_IPV4)
 998                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
 999                                 else if (phint & IAVF_PHINT_MID_IPV6)
1000                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
1001                         }
1002                 }
1003
1004                 hdr1->field_selector = 0;
1005                 proto_hdrs->count++;
1006
1007                 if (phint & IAVF_PHINT_GTPU_EH_DWN)
1008                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN);
1009                 else if (phint & IAVF_PHINT_GTPU_EH_UP)
1010                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_UP);
1011                 else if (phint & IAVF_PHINT_GTPU_EH)
1012                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH);
1013                 else if (phint & IAVF_PHINT_GTPU)
1014                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
1015
1016                 if (phint & IAVF_PHINT_GRE) {
1017                         if (phint & IAVF_PHINT_GTPU) {
1018                                 /* if GTPoGRE, add GRE header at the outer tunnel  */
1019                                 if (tun_lvl == TUNNEL_LEVEL_OUTER)
1020                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1021                         } else {
1022                                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GRE);
1023                         }
1024                 }
1025         }
1026         proto_hdrs->tunnel_level = tun_lvl;
1027 }
1028
1029 static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs *proto_hdrs,
1030                                    uint64_t rss_type, uint64_t phint)
1031 {
1032         iavf_refine_proto_hdrs_l234(proto_hdrs, rss_type);
1033         iavf_refine_proto_hdrs_by_pattern(proto_hdrs, phint);
1034         iavf_refine_proto_hdrs_gtpu(proto_hdrs, rss_type);
1035 }
1036
1037 static uint64_t invalid_rss_comb[] = {
1038         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
1039         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_TCP,
1040         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
1041         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP,
1042         RTE_ETH_RSS_L3_PRE32 | RTE_ETH_RSS_L3_PRE40 |
1043         RTE_ETH_RSS_L3_PRE48 | RTE_ETH_RSS_L3_PRE56 |
1044         RTE_ETH_RSS_L3_PRE96
1045 };
1046
1047 struct rss_attr_type {
1048         uint64_t attr;
1049         uint64_t type;
1050 };
1051
1052 #define VALID_RSS_IPV4_L4       (ETH_RSS_NONFRAG_IPV4_UDP       | \
1053                                  ETH_RSS_NONFRAG_IPV4_TCP       | \
1054                                  ETH_RSS_NONFRAG_IPV4_SCTP)
1055
1056 #define VALID_RSS_IPV6_L4       (ETH_RSS_NONFRAG_IPV6_UDP       | \
1057                                  ETH_RSS_NONFRAG_IPV6_TCP       | \
1058                                  ETH_RSS_NONFRAG_IPV6_SCTP)
1059
1060 #define VALID_RSS_IPV4          (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
1061                                  VALID_RSS_IPV4_L4)
1062 #define VALID_RSS_IPV6          (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
1063                                  VALID_RSS_IPV6_L4)
1064 #define VALID_RSS_L3            (VALID_RSS_IPV4 | VALID_RSS_IPV6)
1065 #define VALID_RSS_L4            (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
1066
1067 #define VALID_RSS_ATTR          (ETH_RSS_L3_SRC_ONLY    | \
1068                                  ETH_RSS_L3_DST_ONLY    | \
1069                                  ETH_RSS_L4_SRC_ONLY    | \
1070                                  ETH_RSS_L4_DST_ONLY    | \
1071                                  ETH_RSS_L2_SRC_ONLY    | \
1072                                  ETH_RSS_L2_DST_ONLY    | \
1073                                  RTE_ETH_RSS_L3_PRE64)
1074
1075 #define INVALID_RSS_ATTR        (RTE_ETH_RSS_L3_PRE32   | \
1076                                  RTE_ETH_RSS_L3_PRE40   | \
1077                                  RTE_ETH_RSS_L3_PRE48   | \
1078                                  RTE_ETH_RSS_L3_PRE56   | \
1079                                  RTE_ETH_RSS_L3_PRE96)
1080
1081 static struct rss_attr_type rss_attr_to_valid_type[] = {
1082         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
1083         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
1084         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
1085         /* current ipv6 prefix only supports prefix 64 bits*/
1086         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
1087         {INVALID_RSS_ATTR,                              0}
1088 };
1089
1090 static bool
1091 iavf_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
1092                           uint64_t rss_type, uint64_t allow_rss_type)
1093 {
1094         uint32_t i;
1095
1096         /**
1097          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
1098          * hash function.
1099          */
1100         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1101                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
1102                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
1103                         return true;
1104
1105                 if (!(rss_type &
1106                    (ETH_RSS_IPV4 | ETH_RSS_IPV6 |
1107                     ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
1108                     ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV6_TCP |
1109                     ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_NONFRAG_IPV6_SCTP)))
1110                         return true;
1111         }
1112
1113         /* check invalid combination */
1114         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
1115                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
1116                         return true;
1117         }
1118
1119         /* check invalid RSS attribute */
1120         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
1121                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
1122
1123                 if (rat->attr & rss_type && !(rat->type & rss_type))
1124                         return true;
1125         }
1126
1127         /* check not allowed RSS type */
1128         rss_type &= ~VALID_RSS_ATTR;
1129
1130         return ((rss_type & allow_rss_type) != rss_type);
1131 }
1132
1133 static int
1134 iavf_hash_parse_action(struct iavf_pattern_match_item *match_item,
1135                        const struct rte_flow_action actions[],
1136                        uint64_t pattern_hint, void **meta,
1137                        struct rte_flow_error *error)
1138 {
1139         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)*meta;
1140         struct virtchnl_proto_hdrs *proto_hdrs;
1141         enum rte_flow_action_type action_type;
1142         const struct rte_flow_action_rss *rss;
1143         const struct rte_flow_action *action;
1144         uint64_t rss_type;
1145
1146         /* Supported action is RSS. */
1147         for (action = actions; action->type !=
1148                 RTE_FLOW_ACTION_TYPE_END; action++) {
1149                 action_type = action->type;
1150                 switch (action_type) {
1151                 case RTE_FLOW_ACTION_TYPE_RSS:
1152                         rss = action->conf;
1153                         rss_type = rss->types;
1154
1155                         if (rss->func ==
1156                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
1157                                 rss_meta->rss_algorithm =
1158                                         VIRTCHNL_RSS_ALG_XOR_ASYMMETRIC;
1159                                 return rte_flow_error_set(error, ENOTSUP,
1160                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1161                                         "function simple_xor is not supported");
1162                         } else if (rss->func ==
1163                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
1164                                 rss_meta->rss_algorithm =
1165                                         VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC;
1166                         } else {
1167                                 rss_meta->rss_algorithm =
1168                                         VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
1169                         }
1170
1171                         if (rss->level)
1172                                 return rte_flow_error_set(error, ENOTSUP,
1173                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1174                                         "a nonzero RSS encapsulation level is not supported");
1175
1176                         if (rss->key_len)
1177                                 return rte_flow_error_set(error, ENOTSUP,
1178                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1179                                         "a nonzero RSS key_len is not supported");
1180
1181                         if (rss->queue_num)
1182                                 return rte_flow_error_set(error, ENOTSUP,
1183                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1184                                         "a non-NULL RSS queue is not supported");
1185
1186                         /**
1187                          * Check simultaneous use of SRC_ONLY and DST_ONLY
1188                          * of the same level.
1189                          */
1190                         rss_type = rte_eth_rss_hf_refine(rss_type);
1191
1192                         if (iavf_any_invalid_rss_type(rss->func, rss_type,
1193                                         match_item->input_set_mask))
1194                                 return rte_flow_error_set(error, ENOTSUP,
1195                                                 RTE_FLOW_ERROR_TYPE_ACTION,
1196                                                 action, "RSS type not supported");
1197                         proto_hdrs = match_item->meta;
1198                         rss_meta->proto_hdrs = *proto_hdrs;
1199                         iavf_refine_proto_hdrs(&rss_meta->proto_hdrs,
1200                                                rss_type, pattern_hint);
1201                         break;
1202
1203                 case RTE_FLOW_ACTION_TYPE_END:
1204                         break;
1205
1206                 default:
1207                         rte_flow_error_set(error, EINVAL,
1208                                            RTE_FLOW_ERROR_TYPE_ACTION, action,
1209                                            "Invalid action.");
1210                         return -rte_errno;
1211                 }
1212         }
1213
1214         return 0;
1215 }
1216
1217 static int
1218 iavf_hash_parse_pattern_action(__rte_unused struct iavf_adapter *ad,
1219                                struct iavf_pattern_match_item *array,
1220                                uint32_t array_len,
1221                                const struct rte_flow_item pattern[],
1222                                const struct rte_flow_action actions[],
1223                                void **meta,
1224                                struct rte_flow_error *error)
1225 {
1226         struct iavf_pattern_match_item *pattern_match_item;
1227         struct iavf_rss_meta *rss_meta_ptr;
1228         uint64_t phint = IAVF_PHINT_NONE;
1229         int ret = 0;
1230
1231         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1232         if (!rss_meta_ptr) {
1233                 rte_flow_error_set(error, EINVAL,
1234                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1235                                    "No memory for rss_meta_ptr");
1236                 return -ENOMEM;
1237         }
1238
1239         /* Check rss supported pattern and find matched pattern. */
1240         pattern_match_item =
1241                 iavf_search_pattern_match_item(pattern, array, array_len,
1242                                                error);
1243         if (!pattern_match_item) {
1244                 ret = -rte_errno;
1245                 goto error;
1246         }
1247
1248         ret = iavf_hash_parse_pattern(pattern, &phint, error);
1249         if (ret)
1250                 goto error;
1251
1252         ret = iavf_hash_parse_action(pattern_match_item, actions, phint,
1253                                      (void **)&rss_meta_ptr, error);
1254
1255 error:
1256         if (!ret && meta)
1257                 *meta = rss_meta_ptr;
1258         else
1259                 rte_free(rss_meta_ptr);
1260
1261         rte_free(pattern_match_item);
1262
1263         return ret;
1264 }
1265
1266 static int
1267 iavf_hash_create(__rte_unused struct iavf_adapter *ad,
1268                  __rte_unused struct rte_flow *flow, void *meta,
1269                  __rte_unused struct rte_flow_error *error)
1270 {
1271         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)meta;
1272         struct virtchnl_rss_cfg *rss_cfg;
1273         int ret = 0;
1274
1275         rss_cfg = rte_zmalloc("iavf rss rule",
1276                               sizeof(struct virtchnl_rss_cfg), 0);
1277         if (!rss_cfg) {
1278                 rte_flow_error_set(error, EINVAL,
1279                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1280                                    "No memory for rss rule");
1281                 return -ENOMEM;
1282         }
1283
1284         rss_cfg->proto_hdrs = rss_meta->proto_hdrs;
1285         rss_cfg->rss_algorithm = rss_meta->rss_algorithm;
1286
1287         ret = iavf_add_del_rss_cfg(ad, rss_cfg, true);
1288         if (!ret) {
1289                 flow->rule = rss_cfg;
1290         } else {
1291                 PMD_DRV_LOG(ERR, "fail to add RSS configure");
1292                 rte_flow_error_set(error, -ret,
1293                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1294                                    "Failed to add rss rule.");
1295                 rte_free(rss_cfg);
1296                 return -rte_errno;
1297         }
1298
1299         rte_free(meta);
1300
1301         return ret;
1302 }
1303
1304 static int
1305 iavf_hash_destroy(__rte_unused struct iavf_adapter *ad,
1306                   struct rte_flow *flow,
1307                   __rte_unused struct rte_flow_error *error)
1308 {
1309         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1310         struct virtchnl_rss_cfg *rss_cfg;
1311         int ret = 0;
1312
1313         if (vf->vf_reset)
1314                 return 0;
1315
1316         rss_cfg = (struct virtchnl_rss_cfg *)flow->rule;
1317
1318         ret = iavf_add_del_rss_cfg(ad, rss_cfg, false);
1319         if (ret) {
1320                 PMD_DRV_LOG(ERR, "fail to del RSS configure");
1321                 rte_flow_error_set(error, -ret,
1322                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1323                                    "Failed to delete rss rule.");
1324                 return -rte_errno;
1325         }
1326         return ret;
1327 }
1328
1329 static void
1330 iavf_hash_uninit(struct iavf_adapter *ad)
1331 {
1332         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1333         struct rte_eth_rss_conf *rss_conf;
1334
1335         if (vf->vf_reset)
1336                 return;
1337
1338         if (!vf->vf_res)
1339                 return;
1340
1341         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
1342                 return;
1343
1344         rss_conf = &ad->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
1345         if (iavf_rss_hash_set(ad, rss_conf->rss_hf, false))
1346                 PMD_DRV_LOG(ERR, "fail to delete default RSS");
1347
1348         iavf_unregister_parser(&iavf_hash_parser, ad);
1349 }
1350
1351 static void
1352 iavf_hash_free(struct rte_flow *flow)
1353 {
1354         rte_free(flow->rule);
1355 }