drivers/net/iavf/iavf_hash.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12
  13 #include <rte_debug.h>
  14 #include <rte_ether.h>
  15 #include <rte_ethdev_driver.h>
  16 #include <rte_log.h>
  17 #include <rte_malloc.h>
  18 #include <rte_eth_ctrl.h>
  19 #include <rte_tailq.h>
  20 #include <rte_flow_driver.h>
  21
  22 #include "iavf_log.h"
  23 #include "iavf.h"
  24 #include "iavf_generic_flow.h"
  25
  26 #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
  34 #define IAVF_PHINT_GTPU_MSK     (IAVF_PHINT_GTPU        | \
  35                                  IAVF_PHINT_GTPU_EH     | \
  36                                  IAVF_PHINT_GTPU_EH_DWN | \
  37                                  IAVF_PHINT_GTPU_EH_UP)
  38
  39 #define IAVF_PHINT_LAYERS_MSK   (IAVF_PHINT_OUTER_IPV4  | \
  40                                  IAVF_PHINT_OUTER_IPV6)
  41
  42 #define IAVF_GTPU_EH_DWNLINK    0
  43 #define IAVF_GTPU_EH_UPLINK     1
  44
  45 struct iavf_hash_match_type {
  46         uint64_t hash_type;
  47         struct virtchnl_proto_hdrs *proto_hdrs;
  48         uint64_t pattern_hint;
  49 };
  50
  51 struct iavf_rss_meta {
  52         struct virtchnl_proto_hdrs proto_hdrs;
  53         enum virtchnl_rss_algorithm rss_algorithm;
  54 };
  55
  56 struct iavf_hash_flow_cfg {
  57         struct virtchnl_rss_cfg *rss_cfg;
  58         bool simple_xor;
  59 };
  60
  61 static int
  62 iavf_hash_init(struct iavf_adapter *ad);
  63 static int
  64 iavf_hash_create(struct iavf_adapter *ad, struct rte_flow *flow, void *meta,
  65                  struct rte_flow_error *error);
  66 static int
  67 iavf_hash_destroy(struct iavf_adapter *ad, struct rte_flow *flow,
  68                   struct rte_flow_error *error);
  69 static void
  70 iavf_hash_uninit(struct iavf_adapter *ad);
  71 static void
  72 iavf_hash_free(struct rte_flow *flow);
  73 static int
  74 iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
  75                                struct iavf_pattern_match_item *array,
  76                                uint32_t array_len,
  77                                const struct rte_flow_item pattern[],
  78                                const struct rte_flow_action actions[],
  79                                void **meta,
  80                                struct rte_flow_error *error);
  81
  82 #define FIELD_SELECTOR(proto_hdr_field) \
  83                 (1UL << ((proto_hdr_field) & PROTO_HDR_FIELD_MASK))
  84 #define BUFF_NOUSED                     0
  85
  86 #define proto_hdr_eth { \
  87         VIRTCHNL_PROTO_HDR_ETH, \
  88         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) | \
  89         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST), {BUFF_NOUSED} }
  90
  91 #define proto_hdr_svlan { \
  92         VIRTCHNL_PROTO_HDR_S_VLAN, \
  93         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID), {BUFF_NOUSED} }
  94
  95 #define proto_hdr_cvlan { \
  96         VIRTCHNL_PROTO_HDR_C_VLAN, \
  97         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID), {BUFF_NOUSED} }
  98
  99 #define proto_hdr_ipv4 { \
 100         VIRTCHNL_PROTO_HDR_IPV4, \
 101         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
 102         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST), {BUFF_NOUSED} }
 103
 104 #define proto_hdr_ipv4_with_prot { \
 105         VIRTCHNL_PROTO_HDR_IPV4, \
 106         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) | \
 107         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) | \
 108         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT), {BUFF_NOUSED} }
 109
 110 #define proto_hdr_ipv6 { \
 111         VIRTCHNL_PROTO_HDR_IPV6, \
 112         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
 113         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST), {BUFF_NOUSED} }
 114
 115 #define proto_hdr_ipv6_with_prot { \
 116         VIRTCHNL_PROTO_HDR_IPV6, \
 117         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) | \
 118         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) | \
 119         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT), {BUFF_NOUSED} }
 120
 121 #define proto_hdr_udp { \
 122         VIRTCHNL_PROTO_HDR_UDP, \
 123         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) | \
 124         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT), {BUFF_NOUSED} }
 125
 126 #define proto_hdr_tcp { \
 127         VIRTCHNL_PROTO_HDR_TCP, \
 128         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) | \
 129         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT), {BUFF_NOUSED} }
 130
 131 #define proto_hdr_sctp { \
 132         VIRTCHNL_PROTO_HDR_SCTP, \
 133         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) | \
 134         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT), {BUFF_NOUSED} }
 135
 136 #define proto_hdr_esp { \
 137         VIRTCHNL_PROTO_HDR_ESP, \
 138         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI), {BUFF_NOUSED} }
 139
 140 #define proto_hdr_ah { \
 141         VIRTCHNL_PROTO_HDR_AH, \
 142         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI), {BUFF_NOUSED} }
 143
 144 #define proto_hdr_l2tpv3 { \
 145         VIRTCHNL_PROTO_HDR_L2TPV3, \
 146         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID), {BUFF_NOUSED} }
 147
 148 #define proto_hdr_pfcp { \
 149         VIRTCHNL_PROTO_HDR_PFCP, \
 150         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), {BUFF_NOUSED} }
 151
 152 #define proto_hdr_gtpc { \
 153         VIRTCHNL_PROTO_HDR_GTPC, 0, {BUFF_NOUSED} }
 154
 155 #define proto_hdr_ecpri { \
 156         VIRTCHNL_PROTO_HDR_ECPRI, \
 157         FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID), {BUFF_NOUSED} }
 158
 159 #define TUNNEL_LEVEL_OUTER              0
 160 #define TUNNEL_LEVEL_INNER              1
 161
 162 /* proto_hdrs template */
 163 struct virtchnl_proto_hdrs outer_ipv4_tmplt = {
 164         TUNNEL_LEVEL_OUTER, 4,
 165         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4}
 166 };
 167
 168 struct virtchnl_proto_hdrs outer_ipv4_udp_tmplt = {
 169         TUNNEL_LEVEL_OUTER, 5,
 170         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 171          proto_hdr_ipv4_with_prot,
 172          proto_hdr_udp}
 173 };
 174
 175 struct virtchnl_proto_hdrs outer_ipv4_tcp_tmplt = {
 176         TUNNEL_LEVEL_OUTER, 5,
 177         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 178          proto_hdr_ipv4_with_prot,
 179          proto_hdr_tcp}
 180 };
 181
 182 struct virtchnl_proto_hdrs outer_ipv4_sctp_tmplt = {
 183         TUNNEL_LEVEL_OUTER, 5,
 184         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv4,
 185          proto_hdr_sctp}
 186 };
 187
 188 struct virtchnl_proto_hdrs outer_ipv6_tmplt = {
 189         TUNNEL_LEVEL_OUTER, 4,
 190         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6}
 191 };
 192
 193 struct virtchnl_proto_hdrs outer_ipv6_udp_tmplt = {
 194         TUNNEL_LEVEL_OUTER, 5,
 195         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 196          proto_hdr_ipv6_with_prot,
 197          proto_hdr_udp}
 198 };
 199
 200 struct virtchnl_proto_hdrs outer_ipv6_tcp_tmplt = {
 201         TUNNEL_LEVEL_OUTER, 5,
 202         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan,
 203          proto_hdr_ipv6_with_prot,
 204          proto_hdr_tcp}
 205 };
 206
 207 struct virtchnl_proto_hdrs outer_ipv6_sctp_tmplt = {
 208         TUNNEL_LEVEL_OUTER, 5,
 209         {proto_hdr_eth, proto_hdr_svlan, proto_hdr_cvlan, proto_hdr_ipv6,
 210          proto_hdr_sctp}
 211 };
 212
 213 struct virtchnl_proto_hdrs inner_ipv4_tmplt = {
 214         TUNNEL_LEVEL_INNER, 1, {proto_hdr_ipv4}
 215 };
 216
 217 struct virtchnl_proto_hdrs inner_ipv4_udp_tmplt = {
 218         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4_with_prot, proto_hdr_udp}
 219 };
 220
 221 struct virtchnl_proto_hdrs inner_ipv4_tcp_tmplt = {
 222         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4_with_prot, proto_hdr_tcp}
 223 };
 224
 225 struct virtchnl_proto_hdrs inner_ipv4_sctp_tmplt = {
 226         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv4, proto_hdr_sctp}
 227 };
 228
 229 struct virtchnl_proto_hdrs inner_ipv6_tmplt = {
 230         TUNNEL_LEVEL_INNER, 1, {proto_hdr_ipv6}
 231 };
 232
 233 struct virtchnl_proto_hdrs inner_ipv6_udp_tmplt = {
 234         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6_with_prot, proto_hdr_udp}
 235 };
 236
 237 struct virtchnl_proto_hdrs inner_ipv6_tcp_tmplt = {
 238         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6_with_prot, proto_hdr_tcp}
 239 };
 240
 241 struct virtchnl_proto_hdrs inner_ipv6_sctp_tmplt = {
 242         TUNNEL_LEVEL_INNER, 2, {proto_hdr_ipv6, proto_hdr_sctp}
 243 };
 244
 245 struct virtchnl_proto_hdrs ipv4_esp_tmplt = {
 246         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_esp}
 247 };
 248
 249 struct virtchnl_proto_hdrs ipv4_udp_esp_tmplt = {
 250         TUNNEL_LEVEL_OUTER, 3,
 251         {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_esp}
 252 };
 253
 254 struct virtchnl_proto_hdrs ipv4_ah_tmplt = {
 255         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_ah}
 256 };
 257
 258 struct virtchnl_proto_hdrs ipv6_esp_tmplt = {
 259         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_esp}
 260 };
 261
 262 struct virtchnl_proto_hdrs ipv6_udp_esp_tmplt = {
 263         TUNNEL_LEVEL_OUTER, 3,
 264         {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_esp}
 265 };
 266
 267 struct virtchnl_proto_hdrs ipv6_ah_tmplt = {
 268         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_ah}
 269 };
 270
 271 struct virtchnl_proto_hdrs ipv4_l2tpv3_tmplt = {
 272         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_l2tpv3}
 273 };
 274
 275 struct virtchnl_proto_hdrs ipv6_l2tpv3_tmplt = {
 276         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_l2tpv3}
 277 };
 278
 279 struct virtchnl_proto_hdrs ipv4_pfcp_tmplt = {
 280         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv4, proto_hdr_pfcp}
 281 };
 282
 283 struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
 284         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_pfcp}
 285 };
 286
 287 struct virtchnl_proto_hdrs ipv4_udp_gtpc_tmplt = {
 288         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_gtpc}
 289 };
 290
 291 struct virtchnl_proto_hdrs ipv6_udp_gtpc_tmplt = {
 292         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_gtpc}
 293 };
 294
 295 struct virtchnl_proto_hdrs eth_ecpri_tmplt = {
 296         TUNNEL_LEVEL_OUTER, 2, {proto_hdr_eth, proto_hdr_ecpri}
 297 };
 298
 299 struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
 300         TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_ecpri}
 301 };
 302
 303 /* rss type super set */
 304
 305 /* IPv4 outer */
 306 #define IAVF_RSS_TYPE_OUTER_IPV4        (ETH_RSS_ETH | ETH_RSS_IPV4)
 307 #define IAVF_RSS_TYPE_OUTER_IPV4_UDP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 308                                          ETH_RSS_NONFRAG_IPV4_UDP)
 309 #define IAVF_RSS_TYPE_OUTER_IPV4_TCP    (IAVF_RSS_TYPE_OUTER_IPV4 | \
 310                                          ETH_RSS_NONFRAG_IPV4_TCP)
 311 #define IAVF_RSS_TYPE_OUTER_IPV4_SCTP   (IAVF_RSS_TYPE_OUTER_IPV4 | \
 312                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 313 /* IPv6 outer */
 314 #define IAVF_RSS_TYPE_OUTER_IPV6        (ETH_RSS_ETH | ETH_RSS_IPV6)
 315 #define IAVF_RSS_TYPE_OUTER_IPV6_UDP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 316                                          ETH_RSS_NONFRAG_IPV6_UDP)
 317 #define IAVF_RSS_TYPE_OUTER_IPV6_TCP    (IAVF_RSS_TYPE_OUTER_IPV6 | \
 318                                          ETH_RSS_NONFRAG_IPV6_TCP)
 319 #define IAVF_RSS_TYPE_OUTER_IPV6_SCTP   (IAVF_RSS_TYPE_OUTER_IPV6 | \
 320                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 321 /* VLAN IPV4 */
 322 #define IAVF_RSS_TYPE_VLAN_IPV4         (IAVF_RSS_TYPE_OUTER_IPV4 | \
 323                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 324 #define IAVF_RSS_TYPE_VLAN_IPV4_UDP     (IAVF_RSS_TYPE_OUTER_IPV4_UDP | \
 325                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 326 #define IAVF_RSS_TYPE_VLAN_IPV4_TCP     (IAVF_RSS_TYPE_OUTER_IPV4_TCP | \
 327                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 328 #define IAVF_RSS_TYPE_VLAN_IPV4_SCTP    (IAVF_RSS_TYPE_OUTER_IPV4_SCTP | \
 329                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 330 /* VLAN IPv6 */
 331 #define IAVF_RSS_TYPE_VLAN_IPV6         (IAVF_RSS_TYPE_OUTER_IPV6 | \
 332                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 333 #define IAVF_RSS_TYPE_VLAN_IPV6_UDP     (IAVF_RSS_TYPE_OUTER_IPV6_UDP | \
 334                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 335 #define IAVF_RSS_TYPE_VLAN_IPV6_TCP     (IAVF_RSS_TYPE_OUTER_IPV6_TCP | \
 336                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 337 #define IAVF_RSS_TYPE_VLAN_IPV6_SCTP    (IAVF_RSS_TYPE_OUTER_IPV6_SCTP | \
 338                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 339 /* IPv4 inner */
 340 #define IAVF_RSS_TYPE_INNER_IPV4        ETH_RSS_IPV4
 341 #define IAVF_RSS_TYPE_INNER_IPV4_UDP    (ETH_RSS_IPV4 | \
 342                                          ETH_RSS_NONFRAG_IPV4_UDP)
 343 #define IAVF_RSS_TYPE_INNER_IPV4_TCP    (ETH_RSS_IPV4 | \
 344                                          ETH_RSS_NONFRAG_IPV4_TCP)
 345 #define IAVF_RSS_TYPE_INNER_IPV4_SCTP   (ETH_RSS_IPV4 | \
 346                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 347 /* IPv6 inner */
 348 #define IAVF_RSS_TYPE_INNER_IPV6        ETH_RSS_IPV6
 349 #define IAVF_RSS_TYPE_INNER_IPV6_UDP    (ETH_RSS_IPV6 | \
 350                                          ETH_RSS_NONFRAG_IPV6_UDP)
 351 #define IAVF_RSS_TYPE_INNER_IPV6_TCP    (ETH_RSS_IPV6 | \
 352                                          ETH_RSS_NONFRAG_IPV6_TCP)
 353 #define IAVF_RSS_TYPE_INNER_IPV6_SCTP   (ETH_RSS_IPV6 | \
 354                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 355 /* GTPU IPv4 */
 356 #define IAVF_RSS_TYPE_GTPU_IPV4         (IAVF_RSS_TYPE_INNER_IPV4 | \
 357                                          ETH_RSS_GTPU)
 358 #define IAVF_RSS_TYPE_GTPU_IPV4_UDP     (IAVF_RSS_TYPE_INNER_IPV4_UDP | \
 359                                          ETH_RSS_GTPU)
 360 #define IAVF_RSS_TYPE_GTPU_IPV4_TCP     (IAVF_RSS_TYPE_INNER_IPV4_TCP | \
 361                                          ETH_RSS_GTPU)
 362 /* GTPU IPv6 */
 363 #define IAVF_RSS_TYPE_GTPU_IPV6         (IAVF_RSS_TYPE_INNER_IPV6 | \
 364                                          ETH_RSS_GTPU)
 365 #define IAVF_RSS_TYPE_GTPU_IPV6_UDP     (IAVF_RSS_TYPE_INNER_IPV6_UDP | \
 366                                          ETH_RSS_GTPU)
 367 #define IAVF_RSS_TYPE_GTPU_IPV6_TCP     (IAVF_RSS_TYPE_INNER_IPV6_TCP | \
 368                                          ETH_RSS_GTPU)
 369 /* ESP, AH, L2TPV3 and PFCP */
 370 #define IAVF_RSS_TYPE_IPV4_ESP          (ETH_RSS_ESP | ETH_RSS_IPV4)
 371 #define IAVF_RSS_TYPE_IPV4_AH           (ETH_RSS_AH | ETH_RSS_IPV4)
 372 #define IAVF_RSS_TYPE_IPV6_ESP          (ETH_RSS_ESP | ETH_RSS_IPV6)
 373 #define IAVF_RSS_TYPE_IPV6_AH           (ETH_RSS_AH | ETH_RSS_IPV6)
 374 #define IAVF_RSS_TYPE_IPV4_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 375 #define IAVF_RSS_TYPE_IPV6_L2TPV3       (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 376 #define IAVF_RSS_TYPE_IPV4_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV4)
 377 #define IAVF_RSS_TYPE_IPV6_PFCP         (ETH_RSS_PFCP | ETH_RSS_IPV6)
 378
 379 /**
 380  * Supported pattern for hash.
 381  * The first member is pattern item type,
 382  * the second member is input set mask,
 383  * the third member is virtchnl_proto_hdrs template
 384  */
 385 static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
 386         /* IPv4 */
 387         {iavf_pattern_eth_ipv4,                         IAVF_RSS_TYPE_OUTER_IPV4,       &outer_ipv4_tmplt},
 388         {iavf_pattern_eth_ipv4_udp,                     IAVF_RSS_TYPE_OUTER_IPV4_UDP,   &outer_ipv4_udp_tmplt},
 389         {iavf_pattern_eth_ipv4_tcp,                     IAVF_RSS_TYPE_OUTER_IPV4_TCP,   &outer_ipv4_tcp_tmplt},
 390         {iavf_pattern_eth_ipv4_sctp,                    IAVF_RSS_TYPE_OUTER_IPV4_SCTP,  &outer_ipv4_sctp_tmplt},
 391         {iavf_pattern_eth_vlan_ipv4,                    IAVF_RSS_TYPE_VLAN_IPV4,        &outer_ipv4_tmplt},
 392         {iavf_pattern_eth_vlan_ipv4_udp,                IAVF_RSS_TYPE_VLAN_IPV4_UDP,    &outer_ipv4_udp_tmplt},
 393         {iavf_pattern_eth_vlan_ipv4_tcp,                IAVF_RSS_TYPE_VLAN_IPV4_TCP,    &outer_ipv4_tcp_tmplt},
 394         {iavf_pattern_eth_vlan_ipv4_sctp,               IAVF_RSS_TYPE_VLAN_IPV4_SCTP,   &outer_ipv4_sctp_tmplt},
 395         {iavf_pattern_eth_ipv4_gtpu,                    ETH_RSS_IPV4,                   &outer_ipv4_udp_tmplt},
 396         {iavf_pattern_eth_ipv4_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 397         {iavf_pattern_eth_ipv4_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 398         {iavf_pattern_eth_ipv4_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 399         {iavf_pattern_eth_ipv6_gtpu_ipv4,               IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 400         {iavf_pattern_eth_ipv6_gtpu_ipv4_udp,           IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 401         {iavf_pattern_eth_ipv6_gtpu_ipv4_tcp,           IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 402         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 403         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 404         {iavf_pattern_eth_ipv4_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 405         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4,            IAVF_RSS_TYPE_GTPU_IPV4,        &inner_ipv4_tmplt},
 406         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_udp,        IAVF_RSS_TYPE_GTPU_IPV4_UDP,    &inner_ipv4_udp_tmplt},
 407         {iavf_pattern_eth_ipv6_gtpu_eh_ipv4_tcp,        IAVF_RSS_TYPE_GTPU_IPV4_TCP,    &inner_ipv4_tcp_tmplt},
 408         {iavf_pattern_eth_ipv4_esp,                     IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_esp_tmplt},
 409         {iavf_pattern_eth_ipv4_udp_esp,                 IAVF_RSS_TYPE_IPV4_ESP,         &ipv4_udp_esp_tmplt},
 410         {iavf_pattern_eth_ipv4_ah,                      IAVF_RSS_TYPE_IPV4_AH,          &ipv4_ah_tmplt},
 411         {iavf_pattern_eth_ipv4_l2tpv3,                  IAVF_RSS_TYPE_IPV4_L2TPV3,      &ipv4_l2tpv3_tmplt},
 412         {iavf_pattern_eth_ipv4_pfcp,                    IAVF_RSS_TYPE_IPV4_PFCP,        &ipv4_pfcp_tmplt},
 413         {iavf_pattern_eth_ipv4_gtpc,                    ETH_RSS_IPV4,                   &ipv4_udp_gtpc_tmplt},
 414         {iavf_pattern_eth_ecpri,                        ETH_RSS_ECPRI,                  &eth_ecpri_tmplt},
 415         {iavf_pattern_eth_ipv4_ecpri,                   ETH_RSS_ECPRI,                  &ipv4_ecpri_tmplt},
 416         /* IPv6 */
 417         {iavf_pattern_eth_ipv6,                         IAVF_RSS_TYPE_OUTER_IPV6,       &outer_ipv6_tmplt},
 418         {iavf_pattern_eth_ipv6_udp,                     IAVF_RSS_TYPE_OUTER_IPV6_UDP,   &outer_ipv6_udp_tmplt},
 419         {iavf_pattern_eth_ipv6_tcp,                     IAVF_RSS_TYPE_OUTER_IPV6_TCP,   &outer_ipv6_tcp_tmplt},
 420         {iavf_pattern_eth_ipv6_sctp,                    IAVF_RSS_TYPE_OUTER_IPV6_SCTP,  &outer_ipv6_sctp_tmplt},
 421         {iavf_pattern_eth_vlan_ipv6,                    IAVF_RSS_TYPE_VLAN_IPV6,        &outer_ipv6_tmplt},
 422         {iavf_pattern_eth_vlan_ipv6_udp,                IAVF_RSS_TYPE_VLAN_IPV6_UDP,    &outer_ipv6_udp_tmplt},
 423         {iavf_pattern_eth_vlan_ipv6_tcp,                IAVF_RSS_TYPE_VLAN_IPV6_TCP,    &outer_ipv6_tcp_tmplt},
 424         {iavf_pattern_eth_vlan_ipv6_sctp,               IAVF_RSS_TYPE_VLAN_IPV6_SCTP,   &outer_ipv6_sctp_tmplt},
 425         {iavf_pattern_eth_ipv6_gtpu,                    ETH_RSS_IPV6,                   &outer_ipv6_udp_tmplt},
 426         {iavf_pattern_eth_ipv4_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 427         {iavf_pattern_eth_ipv4_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 428         {iavf_pattern_eth_ipv4_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 429         {iavf_pattern_eth_ipv6_gtpu_ipv6,               IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 430         {iavf_pattern_eth_ipv6_gtpu_ipv6_udp,           IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 431         {iavf_pattern_eth_ipv6_gtpu_ipv6_tcp,           IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 432         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 433         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 434         {iavf_pattern_eth_ipv4_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 435         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6,            IAVF_RSS_TYPE_GTPU_IPV6,        &inner_ipv6_tmplt},
 436         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_udp,        IAVF_RSS_TYPE_GTPU_IPV6_UDP,    &inner_ipv6_udp_tmplt},
 437         {iavf_pattern_eth_ipv6_gtpu_eh_ipv6_tcp,        IAVF_RSS_TYPE_GTPU_IPV6_TCP,    &inner_ipv6_tcp_tmplt},
 438         {iavf_pattern_eth_ipv6_esp,                     IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_esp_tmplt},
 439         {iavf_pattern_eth_ipv6_udp_esp,                 IAVF_RSS_TYPE_IPV6_ESP,         &ipv6_udp_esp_tmplt},
 440         {iavf_pattern_eth_ipv6_ah,                      IAVF_RSS_TYPE_IPV6_AH,          &ipv6_ah_tmplt},
 441         {iavf_pattern_eth_ipv6_l2tpv3,                  IAVF_RSS_TYPE_IPV6_L2TPV3,      &ipv6_l2tpv3_tmplt},
 442         {iavf_pattern_eth_ipv6_pfcp,                    IAVF_RSS_TYPE_IPV6_PFCP,        &ipv6_pfcp_tmplt},
 443         {iavf_pattern_eth_ipv6_gtpc,                    ETH_RSS_IPV6,                   &ipv6_udp_gtpc_tmplt},
 444 };
 445
 446 static struct iavf_flow_engine iavf_hash_engine = {
 447         .init = iavf_hash_init,
 448         .create = iavf_hash_create,
 449         .destroy = iavf_hash_destroy,
 450         .uninit = iavf_hash_uninit,
 451         .free = iavf_hash_free,
 452         .type = IAVF_FLOW_ENGINE_HASH,
 453 };
 454
 455 /* Register parser for comms package. */
 456 static struct iavf_flow_parser iavf_hash_parser = {
 457         .engine = &iavf_hash_engine,
 458         .array = iavf_hash_pattern_list,
 459         .array_len = RTE_DIM(iavf_hash_pattern_list),
 460         .parse_pattern_action = iavf_hash_parse_pattern_action,
 461         .stage = IAVF_FLOW_STAGE_RSS,
 462 };
 463
 464 int
 465 iavf_rss_hash_set(struct iavf_adapter *ad, uint64_t rss_hf, bool add)
 466 {
 467         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
 468         struct virtchnl_rss_cfg rss_cfg;
 469
 470 #define IAVF_RSS_HF_ALL ( \
 471         ETH_RSS_IPV4 | \
 472         ETH_RSS_IPV6 | \
 473         ETH_RSS_NONFRAG_IPV4_UDP | \
 474         ETH_RSS_NONFRAG_IPV6_UDP | \
 475         ETH_RSS_NONFRAG_IPV4_TCP | \
 476         ETH_RSS_NONFRAG_IPV6_TCP | \
 477         ETH_RSS_NONFRAG_IPV4_SCTP | \
 478         ETH_RSS_NONFRAG_IPV6_SCTP)
 479
 480         rss_cfg.rss_algorithm = VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
 481         if (rss_hf & ETH_RSS_IPV4) {
 482                 rss_cfg.proto_hdrs = inner_ipv4_tmplt;
 483                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 484         }
 485
 486         if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
 487                 rss_cfg.proto_hdrs = inner_ipv4_udp_tmplt;
 488                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 489         }
 490
 491         if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
 492                 rss_cfg.proto_hdrs = inner_ipv4_tcp_tmplt;
 493                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 494         }
 495
 496         if (rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) {
 497                 rss_cfg.proto_hdrs = inner_ipv4_sctp_tmplt;
 498                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 499         }
 500
 501         if (rss_hf & ETH_RSS_IPV6) {
 502                 rss_cfg.proto_hdrs = inner_ipv6_tmplt;
 503                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 504         }
 505
 506         if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) {
 507                 rss_cfg.proto_hdrs = inner_ipv6_udp_tmplt;
 508                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 509         }
 510
 511         if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
 512                 rss_cfg.proto_hdrs = inner_ipv6_tcp_tmplt;
 513                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 514         }
 515
 516         if (rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) {
 517                 rss_cfg.proto_hdrs = inner_ipv6_sctp_tmplt;
 518                 iavf_add_del_rss_cfg(ad, &rss_cfg, add);
 519         }
 520
 521         vf->rss_hf = rss_hf & IAVF_RSS_HF_ALL;
 522         return 0;
 523 }
 524
 525 RTE_INIT(iavf_hash_engine_init)
 526 {
 527         struct iavf_flow_engine *engine = &iavf_hash_engine;
 528
 529         iavf_register_flow_engine(engine);
 530 }
 531
 532 static int
 533 iavf_hash_init(struct iavf_adapter *ad)
 534 {
 535         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 536         struct iavf_flow_parser *parser;
 537         int ret;
 538
 539         if (vf->vf_reset)
 540                 return -EIO;
 541
 542         if (!vf->vf_res)
 543                 return -EINVAL;
 544
 545         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
 546                 return -ENOTSUP;
 547
 548         parser = &iavf_hash_parser;
 549
 550         ret = iavf_register_parser(parser, ad);
 551         if (ret) {
 552                 PMD_DRV_LOG(ERR, "fail to register hash parser");
 553                 return ret;
 554         }
 555
 556         return ret;
 557 }
 558
 559 static int
 560 iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 561                         struct rte_flow_error *error)
 562 {
 563         const struct rte_flow_item *item = pattern;
 564         const struct rte_flow_item_gtp_psc *psc;
 565         const struct rte_flow_item_ecpri *ecpri;
 566         struct rte_ecpri_common_hdr ecpri_common;
 567
 568         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 569                 if (item->last) {
 570                         rte_flow_error_set(error, EINVAL,
 571                                            RTE_FLOW_ERROR_TYPE_ITEM, item,
 572                                            "Not support range");
 573                         return -rte_errno;
 574                 }
 575
 576                 switch (item->type) {
 577                 case RTE_FLOW_ITEM_TYPE_IPV4:
 578                         if (!(*phint & IAVF_PHINT_GTPU_MSK))
 579                                 *phint |= IAVF_PHINT_OUTER_IPV4;
 580                         break;
 581                 case RTE_FLOW_ITEM_TYPE_IPV6:
 582                         if (!(*phint & IAVF_PHINT_GTPU_MSK))
 583                                 *phint |= IAVF_PHINT_OUTER_IPV6;
 584                         break;
 585                 case RTE_FLOW_ITEM_TYPE_GTPU:
 586                         *phint |= IAVF_PHINT_GTPU;
 587                         break;
 588                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 589                         *phint |= IAVF_PHINT_GTPU_EH;
 590                         psc = item->spec;
 591                         if (!psc)
 592                                 break;
 593                         else if (psc->pdu_type == IAVF_GTPU_EH_UPLINK)
 594                                 *phint |= IAVF_PHINT_GTPU_EH_UP;
 595                         else if (psc->pdu_type == IAVF_GTPU_EH_DWNLINK)
 596                                 *phint |= IAVF_PHINT_GTPU_EH_DWN;
 597                         break;
 598                 case RTE_FLOW_ITEM_TYPE_ECPRI:
 599                         ecpri = item->spec;
 600                         ecpri_common.u32 = rte_be_to_cpu_32(
 601                                                 ecpri->hdr.common.u32);
 602                         if (!ecpri)
 603                                 break;
 604                         else if (ecpri_common.type !=
 605                                  RTE_ECPRI_MSG_TYPE_IQ_DATA) {
 606                                 rte_flow_error_set(error, EINVAL,
 607                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 608                                         "Unsupported common type.");
 609                                 return -rte_errno;
 610                         }
 611                         break;
 612                 default:
 613                         break;
 614                 }
 615         }
 616
 617         return 0;
 618 }
 619
 620 #define REFINE_PROTO_FLD(op, fld) \
 621         VIRTCHNL_##op##_PROTO_HDR_FIELD(hdr, VIRTCHNL_PROTO_HDR_##fld)
 622 #define REPALCE_PROTO_FLD(fld_1, fld_2) \
 623 do { \
 624         REFINE_PROTO_FLD(DEL, fld_1);   \
 625         REFINE_PROTO_FLD(ADD, fld_2);   \
 626 } while (0)
 627
 628 /* refine proto hdrs base on l2, l3, l4 rss type */
 629 static void
 630 iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
 631                             uint64_t rss_type)
 632 {
 633         struct virtchnl_proto_hdr *hdr;
 634         int i;
 635
 636         for (i = 0; i < proto_hdrs->count; i++) {
 637                 hdr = &proto_hdrs->proto_hdr[i];
 638                 switch (hdr->type) {
 639                 case VIRTCHNL_PROTO_HDR_ETH:
 640                         if (!(rss_type & ETH_RSS_ETH))
 641                                 hdr->field_selector = 0;
 642                         else if (rss_type & ETH_RSS_L2_SRC_ONLY)
 643                                 REFINE_PROTO_FLD(DEL, ETH_DST);
 644                         else if (rss_type & ETH_RSS_L2_DST_ONLY)
 645                                 REFINE_PROTO_FLD(DEL, ETH_SRC);
 646                         break;
 647                 case VIRTCHNL_PROTO_HDR_IPV4:
 648                         if (rss_type &
 649                             (ETH_RSS_IPV4 |
 650                              ETH_RSS_NONFRAG_IPV4_UDP |
 651                              ETH_RSS_NONFRAG_IPV4_TCP |
 652                              ETH_RSS_NONFRAG_IPV4_SCTP)) {
 653                                 if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 654                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 655                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 656                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 657                                 } else if (rss_type &
 658                                          (ETH_RSS_L4_SRC_ONLY |
 659                                           ETH_RSS_L4_DST_ONLY)) {
 660                                         REFINE_PROTO_FLD(DEL, IPV4_DST);
 661                                         REFINE_PROTO_FLD(DEL, IPV4_SRC);
 662                                 }
 663                         } else {
 664                                 hdr->field_selector = 0;
 665                         }
 666                         break;
 667                 case VIRTCHNL_PROTO_HDR_IPV6:
 668                         if (rss_type &
 669                             (ETH_RSS_IPV6 |
 670                              ETH_RSS_NONFRAG_IPV6_UDP |
 671                              ETH_RSS_NONFRAG_IPV6_TCP |
 672                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 673                                 if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 674                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 675                                 } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 676                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 677                                 } else if (rss_type &
 678                                          (ETH_RSS_L4_SRC_ONLY |
 679                                           ETH_RSS_L4_DST_ONLY)) {
 680                                         REFINE_PROTO_FLD(DEL, IPV6_DST);
 681                                         REFINE_PROTO_FLD(DEL, IPV6_SRC);
 682                                 }
 683                         } else {
 684                                 hdr->field_selector = 0;
 685                         }
 686                         if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 687                                 if (REFINE_PROTO_FLD(TEST, IPV6_SRC))
 688                                         REPALCE_PROTO_FLD(IPV6_SRC,
 689                                                           IPV6_PREFIX64_SRC);
 690                                 if (REFINE_PROTO_FLD(TEST, IPV6_DST))
 691                                         REPALCE_PROTO_FLD(IPV6_DST,
 692                                                           IPV6_PREFIX64_DST);
 693                         }
 694                         break;
 695                 case VIRTCHNL_PROTO_HDR_UDP:
 696                         if (rss_type &
 697                             (ETH_RSS_NONFRAG_IPV4_UDP |
 698                              ETH_RSS_NONFRAG_IPV6_UDP)) {
 699                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 700                                         REFINE_PROTO_FLD(DEL, UDP_DST_PORT);
 701                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 702                                         REFINE_PROTO_FLD(DEL, UDP_SRC_PORT);
 703                                 else if (rss_type &
 704                                          (ETH_RSS_L3_SRC_ONLY |
 705                                           ETH_RSS_L3_DST_ONLY))
 706                                         hdr->field_selector = 0;
 707                         } else {
 708                                 hdr->field_selector = 0;
 709                         }
 710                         break;
 711                 case VIRTCHNL_PROTO_HDR_TCP:
 712                         if (rss_type &
 713                             (ETH_RSS_NONFRAG_IPV4_TCP |
 714                              ETH_RSS_NONFRAG_IPV6_TCP)) {
 715                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 716                                         REFINE_PROTO_FLD(DEL, TCP_DST_PORT);
 717                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 718                                         REFINE_PROTO_FLD(DEL, TCP_SRC_PORT);
 719                                 else if (rss_type &
 720                                          (ETH_RSS_L3_SRC_ONLY |
 721                                           ETH_RSS_L3_DST_ONLY))
 722                                         hdr->field_selector = 0;
 723                         } else {
 724                                 hdr->field_selector = 0;
 725                         }
 726                         break;
 727                 case VIRTCHNL_PROTO_HDR_SCTP:
 728                         if (rss_type &
 729                             (ETH_RSS_NONFRAG_IPV4_SCTP |
 730                              ETH_RSS_NONFRAG_IPV6_SCTP)) {
 731                                 if (rss_type & ETH_RSS_L4_SRC_ONLY)
 732                                         REFINE_PROTO_FLD(DEL, SCTP_DST_PORT);
 733                                 else if (rss_type & ETH_RSS_L4_DST_ONLY)
 734                                         REFINE_PROTO_FLD(DEL, SCTP_SRC_PORT);
 735                                 else if (rss_type &
 736                                          (ETH_RSS_L3_SRC_ONLY |
 737                                           ETH_RSS_L3_DST_ONLY))
 738                                         hdr->field_selector = 0;
 739                         } else {
 740                                 hdr->field_selector = 0;
 741                         }
 742                         break;
 743                 case VIRTCHNL_PROTO_HDR_S_VLAN:
 744                         if (!(rss_type & ETH_RSS_S_VLAN))
 745                                 hdr->field_selector = 0;
 746                         break;
 747                 case VIRTCHNL_PROTO_HDR_C_VLAN:
 748                         if (!(rss_type & ETH_RSS_C_VLAN))
 749                                 hdr->field_selector = 0;
 750                         break;
 751                 case VIRTCHNL_PROTO_HDR_L2TPV3:
 752                         if (!(rss_type & ETH_RSS_L2TPV3))
 753                                 hdr->field_selector = 0;
 754                         break;
 755                 case VIRTCHNL_PROTO_HDR_ESP:
 756                         if (!(rss_type & ETH_RSS_ESP))
 757                                 hdr->field_selector = 0;
 758                         break;
 759                 case VIRTCHNL_PROTO_HDR_AH:
 760                         if (!(rss_type & ETH_RSS_AH))
 761                                 hdr->field_selector = 0;
 762                         break;
 763                 case VIRTCHNL_PROTO_HDR_PFCP:
 764                         if (!(rss_type & ETH_RSS_PFCP))
 765                                 hdr->field_selector = 0;
 766                         break;
 767                 case VIRTCHNL_PROTO_HDR_ECPRI:
 768                         if (!(rss_type & ETH_RSS_ECPRI))
 769                                 hdr->field_selector = 0;
 770                         break;
 771                 default:
 772                         break;
 773                 }
 774         }
 775 }
 776
 777 /* refine proto hdrs base on gtpu rss type */
 778 static void
 779 iavf_refine_proto_hdrs_gtpu(struct virtchnl_proto_hdrs *proto_hdrs,
 780                             uint64_t rss_type)
 781 {
 782         struct virtchnl_proto_hdr *hdr;
 783         int i;
 784
 785         if (!(rss_type & ETH_RSS_GTPU))
 786                 return;
 787
 788         for (i = 0; i < proto_hdrs->count; i++) {
 789                 hdr = &proto_hdrs->proto_hdr[i];
 790                 switch (hdr->type) {
 791                 case VIRTCHNL_PROTO_HDR_GTPU_IP:
 792                         REFINE_PROTO_FLD(ADD, GTPU_IP_TEID);
 793                         break;
 794                 default:
 795                         break;
 796                 }
 797         }
 798 }
 799
 800 static void
 801 iavf_refine_proto_hdrs_by_pattern(struct virtchnl_proto_hdrs *proto_hdrs,
 802                                   uint64_t phint)
 803 {
 804         struct virtchnl_proto_hdr *hdr1;
 805         struct virtchnl_proto_hdr *hdr2;
 806         int i, shift_count = 1;
 807
 808         if (!(phint & IAVF_PHINT_GTPU_MSK))
 809                 return;
 810
 811         if (phint & IAVF_PHINT_LAYERS_MSK)
 812                 shift_count++;
 813
 814         if (proto_hdrs->tunnel_level == TUNNEL_LEVEL_INNER) {
 815                 /* shift headers layer */
 816                 for (i = proto_hdrs->count - 1 + shift_count;
 817                      i > shift_count - 1; i--) {
 818                         hdr1 = &proto_hdrs->proto_hdr[i];
 819                         hdr2 = &proto_hdrs->proto_hdr[i - shift_count];
 820                         *hdr1 = *hdr2;
 821                 }
 822
 823                 if (shift_count == 1) {
 824                         /* adding gtpu header at layer 0 */
 825                         hdr1 = &proto_hdrs->proto_hdr[0];
 826                 } else {
 827                         /* adding gtpu header and outer ip header */
 828                         hdr1 = &proto_hdrs->proto_hdr[1];
 829                         hdr2 = &proto_hdrs->proto_hdr[0];
 830                         hdr2->field_selector = 0;
 831                         proto_hdrs->count++;
 832                         proto_hdrs->tunnel_level = TUNNEL_LEVEL_OUTER;
 833
 834                         if (phint & IAVF_PHINT_OUTER_IPV4)
 835                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV4);
 836                         else if (phint & IAVF_PHINT_OUTER_IPV6)
 837                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr2, IPV6);
 838                 }
 839         } else {
 840                 hdr1 = &proto_hdrs->proto_hdr[proto_hdrs->count];
 841         }
 842
 843         hdr1->field_selector = 0;
 844         proto_hdrs->count++;
 845
 846         if (phint & IAVF_PHINT_GTPU_EH_DWN)
 847                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN);
 848         else if (phint & IAVF_PHINT_GTPU_EH_UP)
 849                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_UP);
 850         else if (phint & IAVF_PHINT_GTPU_EH)
 851                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH);
 852         else if (phint & IAVF_PHINT_GTPU)
 853                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
 854 }
 855
 856 static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs *proto_hdrs,
 857                                    uint64_t rss_type, uint64_t phint)
 858 {
 859         iavf_refine_proto_hdrs_l234(proto_hdrs, rss_type);
 860         iavf_refine_proto_hdrs_by_pattern(proto_hdrs, phint);
 861         iavf_refine_proto_hdrs_gtpu(proto_hdrs, rss_type);
 862 }
 863
 864 static uint64_t invalid_rss_comb[] = {
 865         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
 866         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
 867         RTE_ETH_RSS_L3_PRE32 | RTE_ETH_RSS_L3_PRE40 |
 868         RTE_ETH_RSS_L3_PRE48 | RTE_ETH_RSS_L3_PRE56 |
 869         RTE_ETH_RSS_L3_PRE96
 870 };
 871
 872 struct rss_attr_type {
 873         uint64_t attr;
 874         uint64_t type;
 875 };
 876
 877 #define VALID_RSS_IPV4_L4       (ETH_RSS_NONFRAG_IPV4_UDP       | \
 878                                  ETH_RSS_NONFRAG_IPV4_TCP       | \
 879                                  ETH_RSS_NONFRAG_IPV4_SCTP)
 880
 881 #define VALID_RSS_IPV6_L4       (ETH_RSS_NONFRAG_IPV6_UDP       | \
 882                                  ETH_RSS_NONFRAG_IPV6_TCP       | \
 883                                  ETH_RSS_NONFRAG_IPV6_SCTP)
 884
 885 #define VALID_RSS_IPV4          (ETH_RSS_IPV4 | VALID_RSS_IPV4_L4)
 886 #define VALID_RSS_IPV6          (ETH_RSS_IPV6 | VALID_RSS_IPV6_L4)
 887 #define VALID_RSS_L3            (VALID_RSS_IPV4 | VALID_RSS_IPV6)
 888 #define VALID_RSS_L4            (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
 889
 890 #define VALID_RSS_ATTR          (ETH_RSS_L3_SRC_ONLY    | \
 891                                  ETH_RSS_L3_DST_ONLY    | \
 892                                  ETH_RSS_L4_SRC_ONLY    | \
 893                                  ETH_RSS_L4_DST_ONLY    | \
 894                                  ETH_RSS_L2_SRC_ONLY    | \
 895                                  ETH_RSS_L2_DST_ONLY    | \
 896                                  RTE_ETH_RSS_L3_PRE64)
 897
 898 #define INVALID_RSS_ATTR        (RTE_ETH_RSS_L3_PRE32   | \
 899                                  RTE_ETH_RSS_L3_PRE40   | \
 900                                  RTE_ETH_RSS_L3_PRE48   | \
 901                                  RTE_ETH_RSS_L3_PRE56   | \
 902                                  RTE_ETH_RSS_L3_PRE96)
 903
 904 static struct rss_attr_type rss_attr_to_valid_type[] = {
 905         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
 906         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
 907         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
 908         /* current ipv6 prefix only supports prefix 64 bits*/
 909         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
 910         {INVALID_RSS_ATTR,                              0}
 911 };
 912
 913 static bool
 914 iavf_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
 915                           uint64_t rss_type, uint64_t allow_rss_type)
 916 {
 917         uint32_t i;
 918
 919         /**
 920          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
 921          * hash function.
 922          */
 923         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 924                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
 925                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
 926                         return true;
 927         }
 928
 929         /* check invalid combination */
 930         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
 931                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
 932                         return true;
 933         }
 934
 935         /* check invalid RSS attribute */
 936         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
 937                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
 938
 939                 if (rat->attr & rss_type && !(rat->type & rss_type))
 940                         return true;
 941         }
 942
 943         /* check not allowed RSS type */
 944         rss_type &= ~VALID_RSS_ATTR;
 945
 946         return ((rss_type & allow_rss_type) != rss_type);
 947 }
 948
 949 static int
 950 iavf_hash_parse_action(struct iavf_pattern_match_item *match_item,
 951                        const struct rte_flow_action actions[],
 952                        uint64_t pattern_hint, void **meta,
 953                        struct rte_flow_error *error)
 954 {
 955         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)*meta;
 956         struct virtchnl_proto_hdrs *proto_hdrs;
 957         enum rte_flow_action_type action_type;
 958         const struct rte_flow_action_rss *rss;
 959         const struct rte_flow_action *action;
 960         uint64_t rss_type;
 961
 962         /* Supported action is RSS. */
 963         for (action = actions; action->type !=
 964                 RTE_FLOW_ACTION_TYPE_END; action++) {
 965                 action_type = action->type;
 966                 switch (action_type) {
 967                 case RTE_FLOW_ACTION_TYPE_RSS:
 968                         rss = action->conf;
 969                         rss_type = rss->types;
 970
 971                         if (rss->func ==
 972                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
 973                                 rss_meta->rss_algorithm =
 974                                         VIRTCHNL_RSS_ALG_XOR_ASYMMETRIC;
 975                                 return rte_flow_error_set(error, ENOTSUP,
 976                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 977                                         "function simple_xor is not supported");
 978                         } else if (rss->func ==
 979                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 980                                 rss_meta->rss_algorithm =
 981                                         VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC;
 982                         } else {
 983                                 rss_meta->rss_algorithm =
 984                                         VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC;
 985                         }
 986
 987                         if (rss->level)
 988                                 return rte_flow_error_set(error, ENOTSUP,
 989                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 990                                         "a nonzero RSS encapsulation level is not supported");
 991
 992                         if (rss->key_len)
 993                                 return rte_flow_error_set(error, ENOTSUP,
 994                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 995                                         "a nonzero RSS key_len is not supported");
 996
 997                         if (rss->queue_num)
 998                                 return rte_flow_error_set(error, ENOTSUP,
 999                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1000                                         "a non-NULL RSS queue is not supported");
1001
1002                         /**
1003                          * Check simultaneous use of SRC_ONLY and DST_ONLY
1004                          * of the same level.
1005                          */
1006                         rss_type = rte_eth_rss_hf_refine(rss_type);
1007
1008                         if (iavf_any_invalid_rss_type(rss->func, rss_type,
1009                                         match_item->input_set_mask))
1010                                 return rte_flow_error_set(error, ENOTSUP,
1011                                                 RTE_FLOW_ERROR_TYPE_ACTION,
1012                                                 action, "RSS type not supported");
1013                         proto_hdrs = match_item->meta;
1014                         rss_meta->proto_hdrs = *proto_hdrs;
1015                         iavf_refine_proto_hdrs(&rss_meta->proto_hdrs,
1016                                                rss_type, pattern_hint);
1017                         break;
1018
1019                 case RTE_FLOW_ACTION_TYPE_END:
1020                         break;
1021
1022                 default:
1023                         rte_flow_error_set(error, EINVAL,
1024                                            RTE_FLOW_ERROR_TYPE_ACTION, action,
1025                                            "Invalid action.");
1026                         return -rte_errno;
1027                 }
1028         }
1029
1030         return 0;
1031 }
1032
1033 static int
1034 iavf_hash_parse_pattern_action(__rte_unused struct iavf_adapter *ad,
1035                                struct iavf_pattern_match_item *array,
1036                                uint32_t array_len,
1037                                const struct rte_flow_item pattern[],
1038                                const struct rte_flow_action actions[],
1039                                void **meta,
1040                                struct rte_flow_error *error)
1041 {
1042         struct iavf_pattern_match_item *pattern_match_item;
1043         struct iavf_rss_meta *rss_meta_ptr;
1044         uint64_t phint = IAVF_PHINT_NONE;
1045         int ret = 0;
1046
1047         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1048         if (!rss_meta_ptr) {
1049                 rte_flow_error_set(error, EINVAL,
1050                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1051                                    "No memory for rss_meta_ptr");
1052                 return -ENOMEM;
1053         }
1054
1055         /* Check rss supported pattern and find matched pattern. */
1056         pattern_match_item =
1057                 iavf_search_pattern_match_item(pattern, array, array_len,
1058                                                error);
1059         if (!pattern_match_item) {
1060                 ret = -rte_errno;
1061                 goto error;
1062         }
1063
1064         ret = iavf_hash_parse_pattern(pattern, &phint, error);
1065         if (ret)
1066                 goto error;
1067
1068         ret = iavf_hash_parse_action(pattern_match_item, actions, phint,
1069                                      (void **)&rss_meta_ptr, error);
1070
1071 error:
1072         if (!ret && meta)
1073                 *meta = rss_meta_ptr;
1074         else
1075                 rte_free(rss_meta_ptr);
1076
1077         rte_free(pattern_match_item);
1078
1079         return ret;
1080 }
1081
1082 static int
1083 iavf_hash_create(__rte_unused struct iavf_adapter *ad,
1084                  __rte_unused struct rte_flow *flow, void *meta,
1085                  __rte_unused struct rte_flow_error *error)
1086 {
1087         struct iavf_rss_meta *rss_meta = (struct iavf_rss_meta *)meta;
1088         struct virtchnl_rss_cfg *rss_cfg;
1089         int ret = 0;
1090
1091         rss_cfg = rte_zmalloc("iavf rss rule",
1092                               sizeof(struct virtchnl_rss_cfg), 0);
1093         if (!rss_cfg) {
1094                 rte_flow_error_set(error, EINVAL,
1095                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1096                                    "No memory for rss rule");
1097                 return -ENOMEM;
1098         }
1099
1100         rss_cfg->proto_hdrs = rss_meta->proto_hdrs;
1101         rss_cfg->rss_algorithm = rss_meta->rss_algorithm;
1102
1103         ret = iavf_add_del_rss_cfg(ad, rss_cfg, true);
1104         if (!ret) {
1105                 flow->rule = rss_cfg;
1106         } else {
1107                 PMD_DRV_LOG(ERR, "fail to add RSS configure");
1108                 rte_flow_error_set(error, -ret,
1109                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1110                                    "Failed to add rss rule.");
1111                 rte_free(rss_cfg);
1112                 return -rte_errno;
1113         }
1114
1115         rte_free(meta);
1116
1117         return ret;
1118 }
1119
1120 static int
1121 iavf_hash_destroy(__rte_unused struct iavf_adapter *ad,
1122                   struct rte_flow *flow,
1123                   __rte_unused struct rte_flow_error *error)
1124 {
1125         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1126         struct virtchnl_rss_cfg *rss_cfg;
1127         int ret = 0;
1128
1129         if (vf->vf_reset)
1130                 return 0;
1131
1132         rss_cfg = (struct virtchnl_rss_cfg *)flow->rule;
1133
1134         ret = iavf_add_del_rss_cfg(ad, rss_cfg, false);
1135         if (ret) {
1136                 PMD_DRV_LOG(ERR, "fail to del RSS configure");
1137                 rte_flow_error_set(error, -ret,
1138                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1139                                    "Failed to delete rss rule.");
1140                 return -rte_errno;
1141         }
1142         return ret;
1143 }
1144
1145 static void
1146 iavf_hash_uninit(struct iavf_adapter *ad)
1147 {
1148         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
1149         struct rte_eth_rss_conf *rss_conf;
1150
1151         if (vf->vf_reset)
1152                 return;
1153
1154         if (!vf->vf_res)
1155                 return;
1156
1157         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF))
1158                 return;
1159
1160         rss_conf = &ad->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
1161         if (iavf_rss_hash_set(ad, rss_conf->rss_hf, false))
1162                 PMD_DRV_LOG(ERR, "fail to delete default RSS");
1163
1164         iavf_unregister_parser(&iavf_hash_parser, ad);
1165 }
1166
1167 static void
1168 iavf_hash_free(struct rte_flow *flow)
1169 {
1170         rte_free(flow->rule);
1171 }