drivers/net/ice/ice_hash.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 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 "ice_logs.h"
  23 #include "base/ice_type.h"
  24 #include "base/ice_flow.h"
  25 #include "ice_ethdev.h"
  26 #include "ice_generic_flow.h"
  27
  28 #define ICE_PHINT_NONE                          0
  29 #define ICE_PHINT_VLAN                          BIT_ULL(0)
  30 #define ICE_PHINT_PPPOE                         BIT_ULL(1)
  31 #define ICE_PHINT_GTPU                          BIT_ULL(2)
  32 #define ICE_PHINT_GTPU_EH                       BIT_ULL(3)
  33 #define ICE_PHINT_GTPU_EH_DWN                   BIT_ULL(4)
  34 #define ICE_PHINT_GTPU_EH_UP                    BIT_ULL(5)
  35
  36 #define ICE_GTPU_EH_DWNLINK     0
  37 #define ICE_GTPU_EH_UPLINK      1
  38
  39 #define ICE_IPV4_PROT           BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)
  40 #define ICE_IPV6_PROT           BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)
  41
  42 #define VALID_RSS_IPV4_L4       (ETH_RSS_NONFRAG_IPV4_UDP       | \
  43                                  ETH_RSS_NONFRAG_IPV4_TCP       | \
  44                                  ETH_RSS_NONFRAG_IPV4_SCTP)
  45
  46 #define VALID_RSS_IPV6_L4       (ETH_RSS_NONFRAG_IPV6_UDP       | \
  47                                  ETH_RSS_NONFRAG_IPV6_TCP       | \
  48                                  ETH_RSS_NONFRAG_IPV6_SCTP)
  49
  50 #define VALID_RSS_IPV4          (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
  51                                  VALID_RSS_IPV4_L4)
  52 #define VALID_RSS_IPV6          (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
  53                                  VALID_RSS_IPV6_L4)
  54 #define VALID_RSS_L3            (VALID_RSS_IPV4 | VALID_RSS_IPV6)
  55 #define VALID_RSS_L4            (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
  56
  57 #define VALID_RSS_ATTR          (ETH_RSS_L3_SRC_ONLY    | \
  58                                  ETH_RSS_L3_DST_ONLY    | \
  59                                  ETH_RSS_L4_SRC_ONLY    | \
  60                                  ETH_RSS_L4_DST_ONLY    | \
  61                                  ETH_RSS_L2_SRC_ONLY    | \
  62                                  ETH_RSS_L2_DST_ONLY    | \
  63                                  RTE_ETH_RSS_L3_PRE32   | \
  64                                  RTE_ETH_RSS_L3_PRE48   | \
  65                                  RTE_ETH_RSS_L3_PRE64)
  66
  67 #define INVALID_RSS_ATTR        (RTE_ETH_RSS_L3_PRE40   | \
  68                                  RTE_ETH_RSS_L3_PRE56   | \
  69                                  RTE_ETH_RSS_L3_PRE96)
  70
  71 struct ice_rss_meta {
  72         uint8_t hash_function;
  73         struct ice_rss_hash_cfg cfg;
  74 };
  75
  76 struct ice_hash_flow_cfg {
  77         bool simple_xor;
  78         struct ice_rss_cfg rss_cfg;
  79 };
  80
  81 static int
  82 ice_hash_init(struct ice_adapter *ad);
  83
  84 static int
  85 ice_hash_create(struct ice_adapter *ad,
  86                 struct rte_flow *flow,
  87                 void *meta,
  88                 struct rte_flow_error *error);
  89
  90 static int
  91 ice_hash_destroy(struct ice_adapter *ad,
  92                 struct rte_flow *flow,
  93                 struct rte_flow_error *error);
  94
  95 static void
  96 ice_hash_uninit(struct ice_adapter *ad);
  97
  98 static void
  99 ice_hash_free(struct rte_flow *flow);
 100
 101 static int
 102 ice_hash_parse_pattern_action(struct ice_adapter *ad,
 103                         struct ice_pattern_match_item *array,
 104                         uint32_t array_len,
 105                         const struct rte_flow_item pattern[],
 106                         const struct rte_flow_action actions[],
 107                         uint32_t priority,
 108                         void **meta,
 109                         struct rte_flow_error *error);
 110
 111 /* Rss configuration template */
 112 struct ice_rss_hash_cfg ipv4_tmplt = {
 113         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 114         ICE_FLOW_SEG_HDR_IPV_OTHER,
 115         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV4,
 116         ICE_RSS_OUTER_HEADERS,
 117         0
 118 };
 119
 120 struct ice_rss_hash_cfg ipv4_udp_tmplt = {
 121         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 122         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 123         ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 124         ICE_RSS_OUTER_HEADERS,
 125         0
 126 };
 127
 128 struct ice_rss_hash_cfg ipv4_tcp_tmplt = {
 129         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 130         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 131         ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 132         ICE_RSS_OUTER_HEADERS,
 133         0
 134 };
 135
 136 struct ice_rss_hash_cfg ipv4_sctp_tmplt = {
 137         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 138         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 139         ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV4 | ICE_IPV4_PROT,
 140         ICE_RSS_OUTER_HEADERS,
 141         0
 142 };
 143
 144 struct ice_rss_hash_cfg ipv6_tmplt = {
 145         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 146         ICE_FLOW_SEG_HDR_IPV_OTHER,
 147         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
 148         ICE_RSS_OUTER_HEADERS,
 149         0
 150 };
 151
 152 struct ice_rss_hash_cfg ipv6_frag_tmplt = {
 153         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 154         ICE_FLOW_SEG_HDR_IPV_FRAG,
 155         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
 156         ICE_RSS_ANY_HEADERS,
 157         0
 158 };
 159
 160 struct ice_rss_hash_cfg ipv6_udp_tmplt = {
 161         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 162         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 163         ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 164         ICE_RSS_OUTER_HEADERS,
 165         0
 166 };
 167
 168 struct ice_rss_hash_cfg ipv6_tcp_tmplt = {
 169         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 170         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 171         ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 172         ICE_RSS_OUTER_HEADERS,
 173         0
 174 };
 175
 176 struct ice_rss_hash_cfg ipv6_sctp_tmplt = {
 177         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 178         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 179         ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV6 | ICE_IPV6_PROT,
 180         ICE_RSS_OUTER_HEADERS,
 181         0
 182 };
 183
 184 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tmplt = {
 185         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 186         ICE_FLOW_HASH_IPV4,
 187         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 188         0
 189 };
 190 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_udp_tmplt = {
 191         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 192         ICE_FLOW_SEG_HDR_UDP,
 193         ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 194         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 195         0
 196 };
 197
 198 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tcp_tmplt = {
 199         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 200         ICE_FLOW_SEG_HDR_TCP,
 201         ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 202         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 203         0
 204 };
 205
 206 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tmplt = {
 207         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 208         ICE_FLOW_HASH_IPV4,
 209         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 210         0
 211 };
 212
 213 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_udp_tmplt = {
 214         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 215         ICE_FLOW_SEG_HDR_UDP,
 216         ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 217         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 218         0
 219 };
 220
 221 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tcp_tmplt = {
 222         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 223         ICE_FLOW_SEG_HDR_TCP,
 224         ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 225         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 226         0
 227 };
 228
 229 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tmplt = {
 230         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 231         ICE_FLOW_HASH_IPV6,
 232         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 233         0
 234 };
 235
 236 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_udp_tmplt = {
 237         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 238         ICE_FLOW_SEG_HDR_UDP,
 239         ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 240         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 241         0
 242 };
 243
 244 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tcp_tmplt = {
 245         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 246         ICE_FLOW_SEG_HDR_TCP,
 247         ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 248         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 249         0
 250 };
 251
 252 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tmplt = {
 253         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 254         ICE_FLOW_HASH_IPV6,
 255         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 256         0
 257 };
 258 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_udp_tmplt = {
 259         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 260         ICE_FLOW_SEG_HDR_UDP,
 261         ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 262         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 263         0
 264 };
 265
 266 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tcp_tmplt = {
 267         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 268         ICE_FLOW_SEG_HDR_TCP,
 269         ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 270         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 271         0
 272 };
 273
 274 struct ice_rss_hash_cfg eth_ipv4_esp_tmplt = {
 275         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 276         ICE_FLOW_SEG_HDR_ESP,
 277         ICE_FLOW_HASH_ESP_SPI,
 278         ICE_RSS_OUTER_HEADERS,
 279         0
 280 };
 281
 282 struct ice_rss_hash_cfg eth_ipv4_udp_esp_tmplt = {
 283         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 284         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 285         ICE_FLOW_HASH_NAT_T_ESP_SPI,
 286         ICE_RSS_OUTER_HEADERS,
 287         0
 288 };
 289
 290 struct ice_rss_hash_cfg eth_ipv4_ah_tmplt = {
 291         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 292         ICE_FLOW_SEG_HDR_AH,
 293         ICE_FLOW_HASH_AH_SPI,
 294         ICE_RSS_OUTER_HEADERS,
 295         0
 296 };
 297
 298 struct ice_rss_hash_cfg eth_ipv4_l2tpv3_tmplt = {
 299         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 300         ICE_FLOW_SEG_HDR_L2TPV3,
 301         ICE_FLOW_HASH_L2TPV3_SESS_ID,
 302         ICE_RSS_OUTER_HEADERS,
 303         0
 304 };
 305
 306 struct ice_rss_hash_cfg eth_ipv4_pfcp_tmplt = {
 307         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 308         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 309         ICE_FLOW_HASH_PFCP_SEID,
 310         ICE_RSS_OUTER_HEADERS,
 311         0
 312 };
 313
 314 struct ice_rss_hash_cfg eth_ipv6_esp_tmplt = {
 315         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 316         ICE_FLOW_SEG_HDR_ESP,
 317         ICE_FLOW_HASH_ESP_SPI,
 318         ICE_RSS_OUTER_HEADERS,
 319         0
 320 };
 321
 322 struct ice_rss_hash_cfg eth_ipv6_udp_esp_tmplt = {
 323         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 324         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 325         ICE_FLOW_HASH_NAT_T_ESP_SPI,
 326         ICE_RSS_OUTER_HEADERS,
 327         0
 328 };
 329
 330 struct ice_rss_hash_cfg eth_ipv6_ah_tmplt = {
 331         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 332         ICE_FLOW_SEG_HDR_AH,
 333         ICE_FLOW_HASH_AH_SPI,
 334         ICE_RSS_OUTER_HEADERS,
 335         0
 336 };
 337
 338 struct ice_rss_hash_cfg eth_ipv6_l2tpv3_tmplt = {
 339         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 340         ICE_FLOW_SEG_HDR_L2TPV3,
 341         ICE_FLOW_HASH_L2TPV3_SESS_ID,
 342         ICE_RSS_OUTER_HEADERS,
 343         0
 344 };
 345
 346 struct ice_rss_hash_cfg eth_ipv6_pfcp_tmplt = {
 347         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 348         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 349         ICE_FLOW_HASH_PFCP_SEID,
 350         ICE_RSS_OUTER_HEADERS,
 351         0
 352 };
 353
 354 struct ice_rss_hash_cfg pppoe_tmplt = {
 355         ICE_FLOW_SEG_HDR_ETH,
 356         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID,
 357         ICE_RSS_OUTER_HEADERS,
 358         0
 359 };
 360
 361 struct ice_rss_hash_cfg empty_tmplt = {
 362         ICE_FLOW_SEG_HDR_NONE,
 363         0,
 364         ICE_RSS_ANY_HEADERS,
 365         0
 366 };
 367
 368 /* IPv4 */
 369 #define ICE_RSS_TYPE_ETH_IPV4           (ETH_RSS_ETH | ETH_RSS_IPV4 | \
 370                                          ETH_RSS_FRAG_IPV4)
 371 #define ICE_RSS_TYPE_ETH_IPV4_UDP       (ICE_RSS_TYPE_ETH_IPV4 | \
 372                                          ETH_RSS_NONFRAG_IPV4_UDP)
 373 #define ICE_RSS_TYPE_ETH_IPV4_TCP       (ICE_RSS_TYPE_ETH_IPV4 | \
 374                                          ETH_RSS_NONFRAG_IPV4_TCP)
 375 #define ICE_RSS_TYPE_ETH_IPV4_SCTP      (ICE_RSS_TYPE_ETH_IPV4 | \
 376                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 377 #define ICE_RSS_TYPE_IPV4               ETH_RSS_IPV4
 378 #define ICE_RSS_TYPE_IPV4_UDP           (ETH_RSS_IPV4 | \
 379                                          ETH_RSS_NONFRAG_IPV4_UDP)
 380 #define ICE_RSS_TYPE_IPV4_TCP           (ETH_RSS_IPV4 | \
 381                                          ETH_RSS_NONFRAG_IPV4_TCP)
 382 #define ICE_RSS_TYPE_IPV4_SCTP          (ETH_RSS_IPV4 | \
 383                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 384
 385 /* IPv6 */
 386 #define ICE_RSS_TYPE_ETH_IPV6           (ETH_RSS_ETH | ETH_RSS_IPV6)
 387 #define ICE_RSS_TYPE_ETH_IPV6_FRAG      (ETH_RSS_ETH | ETH_RSS_IPV6 | \
 388                                          ETH_RSS_FRAG_IPV6)
 389 #define ICE_RSS_TYPE_ETH_IPV6_UDP       (ICE_RSS_TYPE_ETH_IPV6 | \
 390                                          ETH_RSS_NONFRAG_IPV6_UDP)
 391 #define ICE_RSS_TYPE_ETH_IPV6_TCP       (ICE_RSS_TYPE_ETH_IPV6 | \
 392                                          ETH_RSS_NONFRAG_IPV6_TCP)
 393 #define ICE_RSS_TYPE_ETH_IPV6_SCTP      (ICE_RSS_TYPE_ETH_IPV6 | \
 394                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 395 #define ICE_RSS_TYPE_IPV6               ETH_RSS_IPV6
 396 #define ICE_RSS_TYPE_IPV6_UDP           (ETH_RSS_IPV6 | \
 397                                          ETH_RSS_NONFRAG_IPV6_UDP)
 398 #define ICE_RSS_TYPE_IPV6_TCP           (ETH_RSS_IPV6 | \
 399                                          ETH_RSS_NONFRAG_IPV6_TCP)
 400 #define ICE_RSS_TYPE_IPV6_SCTP          (ETH_RSS_IPV6 | \
 401                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 402
 403 /* VLAN IPV4 */
 404 #define ICE_RSS_TYPE_VLAN_IPV4          (ICE_RSS_TYPE_IPV4 | \
 405                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
 406                                          ETH_RSS_FRAG_IPV4)
 407 #define ICE_RSS_TYPE_VLAN_IPV4_UDP      (ICE_RSS_TYPE_IPV4_UDP | \
 408                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 409 #define ICE_RSS_TYPE_VLAN_IPV4_TCP      (ICE_RSS_TYPE_IPV4_TCP | \
 410                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 411 #define ICE_RSS_TYPE_VLAN_IPV4_SCTP     (ICE_RSS_TYPE_IPV4_SCTP | \
 412                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 413 /* VLAN IPv6 */
 414 #define ICE_RSS_TYPE_VLAN_IPV6          (ICE_RSS_TYPE_IPV6 | \
 415                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 416 #define ICE_RSS_TYPE_VLAN_IPV6_FRAG     (ICE_RSS_TYPE_IPV6 | \
 417                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
 418                                          ETH_RSS_FRAG_IPV6)
 419 #define ICE_RSS_TYPE_VLAN_IPV6_UDP      (ICE_RSS_TYPE_IPV6_UDP | \
 420                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 421 #define ICE_RSS_TYPE_VLAN_IPV6_TCP      (ICE_RSS_TYPE_IPV6_TCP | \
 422                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 423 #define ICE_RSS_TYPE_VLAN_IPV6_SCTP     (ICE_RSS_TYPE_IPV6_SCTP | \
 424                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 425
 426 /* GTPU IPv4 */
 427 #define ICE_RSS_TYPE_GTPU_IPV4          (ICE_RSS_TYPE_IPV4 | \
 428                                          ETH_RSS_GTPU)
 429 #define ICE_RSS_TYPE_GTPU_IPV4_UDP      (ICE_RSS_TYPE_IPV4_UDP | \
 430                                          ETH_RSS_GTPU)
 431 #define ICE_RSS_TYPE_GTPU_IPV4_TCP      (ICE_RSS_TYPE_IPV4_TCP | \
 432                                          ETH_RSS_GTPU)
 433 /* GTPU IPv6 */
 434 #define ICE_RSS_TYPE_GTPU_IPV6          (ICE_RSS_TYPE_IPV6 | \
 435                                          ETH_RSS_GTPU)
 436 #define ICE_RSS_TYPE_GTPU_IPV6_UDP      (ICE_RSS_TYPE_IPV6_UDP | \
 437                                          ETH_RSS_GTPU)
 438 #define ICE_RSS_TYPE_GTPU_IPV6_TCP      (ICE_RSS_TYPE_IPV6_TCP | \
 439                                          ETH_RSS_GTPU)
 440
 441 /* PPPOE */
 442 #define ICE_RSS_TYPE_PPPOE              (ETH_RSS_ETH | ETH_RSS_PPPOE)
 443
 444 /* PPPOE IPv4 */
 445 #define ICE_RSS_TYPE_PPPOE_IPV4         (ICE_RSS_TYPE_IPV4 | \
 446                                          ICE_RSS_TYPE_PPPOE)
 447 #define ICE_RSS_TYPE_PPPOE_IPV4_UDP     (ICE_RSS_TYPE_IPV4_UDP | \
 448                                          ICE_RSS_TYPE_PPPOE)
 449 #define ICE_RSS_TYPE_PPPOE_IPV4_TCP     (ICE_RSS_TYPE_IPV4_TCP | \
 450                                          ICE_RSS_TYPE_PPPOE)
 451
 452 /* PPPOE IPv6 */
 453 #define ICE_RSS_TYPE_PPPOE_IPV6         (ICE_RSS_TYPE_IPV6 | \
 454                                          ICE_RSS_TYPE_PPPOE)
 455 #define ICE_RSS_TYPE_PPPOE_IPV6_UDP     (ICE_RSS_TYPE_IPV6_UDP | \
 456                                          ICE_RSS_TYPE_PPPOE)
 457 #define ICE_RSS_TYPE_PPPOE_IPV6_TCP     (ICE_RSS_TYPE_IPV6_TCP | \
 458                                          ICE_RSS_TYPE_PPPOE)
 459
 460 /* ESP, AH, L2TPV3 and PFCP */
 461 #define ICE_RSS_TYPE_IPV4_ESP           (ETH_RSS_ESP | ETH_RSS_IPV4)
 462 #define ICE_RSS_TYPE_IPV6_ESP           (ETH_RSS_ESP | ETH_RSS_IPV6)
 463 #define ICE_RSS_TYPE_IPV4_AH            (ETH_RSS_AH | ETH_RSS_IPV4)
 464 #define ICE_RSS_TYPE_IPV6_AH            (ETH_RSS_AH | ETH_RSS_IPV6)
 465 #define ICE_RSS_TYPE_IPV4_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 466 #define ICE_RSS_TYPE_IPV6_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 467 #define ICE_RSS_TYPE_IPV4_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV4)
 468 #define ICE_RSS_TYPE_IPV6_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV6)
 469
 470 /**
 471  * Supported pattern for hash.
 472  * The first member is pattern item type,
 473  * the second member is input set mask,
 474  * the third member is ice_rss_hash_cfg template.
 475  */
 476 static struct ice_pattern_match_item ice_hash_pattern_list[] = {
 477         /* IPV4 */
 478         {pattern_eth_ipv4,                      ICE_RSS_TYPE_ETH_IPV4,          ICE_INSET_NONE, &ipv4_tmplt},
 479         {pattern_eth_ipv4_udp,                  ICE_RSS_TYPE_ETH_IPV4_UDP,      ICE_INSET_NONE, &ipv4_udp_tmplt},
 480         {pattern_eth_ipv4_tcp,                  ICE_RSS_TYPE_ETH_IPV4_TCP,      ICE_INSET_NONE, &ipv4_tcp_tmplt},
 481         {pattern_eth_ipv4_sctp,                 ICE_RSS_TYPE_ETH_IPV4_SCTP,     ICE_INSET_NONE, &ipv4_sctp_tmplt},
 482         {pattern_eth_vlan_ipv4,                 ICE_RSS_TYPE_VLAN_IPV4,         ICE_INSET_NONE, &ipv4_tmplt},
 483         {pattern_eth_vlan_ipv4_udp,             ICE_RSS_TYPE_VLAN_IPV4_UDP,     ICE_INSET_NONE, &ipv4_udp_tmplt},
 484         {pattern_eth_vlan_ipv4_tcp,             ICE_RSS_TYPE_VLAN_IPV4_TCP,     ICE_INSET_NONE, &ipv4_tcp_tmplt},
 485         {pattern_eth_vlan_ipv4_sctp,            ICE_RSS_TYPE_VLAN_IPV4_SCTP,    ICE_INSET_NONE, &ipv4_sctp_tmplt},
 486         {pattern_eth_ipv4_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
 487         {pattern_eth_ipv4_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
 488         {pattern_eth_ipv4_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
 489         {pattern_eth_ipv6_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
 490         {pattern_eth_ipv6_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
 491         {pattern_eth_ipv6_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
 492         {pattern_eth_ipv4_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
 493         {pattern_eth_ipv4_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
 494         {pattern_eth_ipv4_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
 495         {pattern_eth_ipv6_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
 496         {pattern_eth_ipv6_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
 497         {pattern_eth_ipv6_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
 498         {pattern_eth_pppoes_ipv4,               ICE_RSS_TYPE_PPPOE_IPV4,        ICE_INSET_NONE, &ipv4_tmplt},
 499         {pattern_eth_pppoes_ipv4_udp,           ICE_RSS_TYPE_PPPOE_IPV4_UDP,    ICE_INSET_NONE, &ipv4_udp_tmplt},
 500         {pattern_eth_pppoes_ipv4_tcp,           ICE_RSS_TYPE_PPPOE_IPV4_TCP,    ICE_INSET_NONE, &ipv4_tcp_tmplt},
 501         {pattern_eth_ipv4_esp,                  ICE_RSS_TYPE_IPV4_ESP,          ICE_INSET_NONE, &eth_ipv4_esp_tmplt},
 502         {pattern_eth_ipv4_udp_esp,              ICE_RSS_TYPE_IPV4_ESP,          ICE_INSET_NONE, &eth_ipv4_udp_esp_tmplt},
 503         {pattern_eth_ipv4_ah,                   ICE_RSS_TYPE_IPV4_AH,           ICE_INSET_NONE, &eth_ipv4_ah_tmplt},
 504         {pattern_eth_ipv4_l2tp,                 ICE_RSS_TYPE_IPV4_L2TPV3,       ICE_INSET_NONE, &eth_ipv4_l2tpv3_tmplt},
 505         {pattern_eth_ipv4_pfcp,                 ICE_RSS_TYPE_IPV4_PFCP,         ICE_INSET_NONE, &eth_ipv4_pfcp_tmplt},
 506         /* IPV6 */
 507         {pattern_eth_ipv6,                      ICE_RSS_TYPE_ETH_IPV6,          ICE_INSET_NONE, &ipv6_tmplt},
 508         {pattern_eth_ipv6_frag_ext,             ICE_RSS_TYPE_ETH_IPV6_FRAG,     ICE_INSET_NONE, &ipv6_frag_tmplt},
 509         {pattern_eth_ipv6_udp,                  ICE_RSS_TYPE_ETH_IPV6_UDP,      ICE_INSET_NONE, &ipv6_udp_tmplt},
 510         {pattern_eth_ipv6_tcp,                  ICE_RSS_TYPE_ETH_IPV6_TCP,      ICE_INSET_NONE, &ipv6_tcp_tmplt},
 511         {pattern_eth_ipv6_sctp,                 ICE_RSS_TYPE_ETH_IPV6_SCTP,     ICE_INSET_NONE, &ipv6_sctp_tmplt},
 512         {pattern_eth_vlan_ipv6,                 ICE_RSS_TYPE_VLAN_IPV6,         ICE_INSET_NONE, &ipv6_tmplt},
 513         {pattern_eth_vlan_ipv6_frag_ext,        ICE_RSS_TYPE_VLAN_IPV6_FRAG,    ICE_INSET_NONE, &ipv6_frag_tmplt},
 514         {pattern_eth_vlan_ipv6_udp,             ICE_RSS_TYPE_VLAN_IPV6_UDP,     ICE_INSET_NONE, &ipv6_udp_tmplt},
 515         {pattern_eth_vlan_ipv6_tcp,             ICE_RSS_TYPE_VLAN_IPV6_TCP,     ICE_INSET_NONE, &ipv6_tcp_tmplt},
 516         {pattern_eth_vlan_ipv6_sctp,            ICE_RSS_TYPE_VLAN_IPV6_SCTP,    ICE_INSET_NONE, &ipv6_sctp_tmplt},
 517         {pattern_eth_ipv4_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
 518         {pattern_eth_ipv4_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
 519         {pattern_eth_ipv4_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
 520         {pattern_eth_ipv6_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
 521         {pattern_eth_ipv6_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
 522         {pattern_eth_ipv6_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
 523         {pattern_eth_ipv4_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
 524         {pattern_eth_ipv4_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
 525         {pattern_eth_ipv4_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
 526         {pattern_eth_ipv6_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
 527         {pattern_eth_ipv6_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
 528         {pattern_eth_ipv6_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
 529         {pattern_eth_pppoes_ipv6,               ICE_RSS_TYPE_PPPOE_IPV6,        ICE_INSET_NONE, &ipv6_tmplt},
 530         {pattern_eth_pppoes_ipv6_udp,           ICE_RSS_TYPE_PPPOE_IPV6_UDP,    ICE_INSET_NONE, &ipv6_udp_tmplt},
 531         {pattern_eth_pppoes_ipv6_tcp,           ICE_RSS_TYPE_PPPOE_IPV6_TCP,    ICE_INSET_NONE, &ipv6_tcp_tmplt},
 532         {pattern_eth_ipv6_esp,                  ICE_RSS_TYPE_IPV6_ESP,          ICE_INSET_NONE, &eth_ipv6_esp_tmplt},
 533         {pattern_eth_ipv6_udp_esp,              ICE_RSS_TYPE_IPV6_ESP,          ICE_INSET_NONE, &eth_ipv6_udp_esp_tmplt},
 534         {pattern_eth_ipv6_ah,                   ICE_RSS_TYPE_IPV6_AH,           ICE_INSET_NONE, &eth_ipv6_ah_tmplt},
 535         {pattern_eth_ipv6_l2tp,                 ICE_RSS_TYPE_IPV6_L2TPV3,       ICE_INSET_NONE, &eth_ipv6_l2tpv3_tmplt},
 536         {pattern_eth_ipv6_pfcp,                 ICE_RSS_TYPE_IPV6_PFCP,         ICE_INSET_NONE, &eth_ipv6_pfcp_tmplt},
 537         /* PPPOE */
 538         {pattern_eth_pppoes,                    ICE_RSS_TYPE_PPPOE,             ICE_INSET_NONE, &pppoe_tmplt},
 539         /* EMPTY */
 540         {pattern_empty,                         ICE_INSET_NONE,                 ICE_INSET_NONE, &empty_tmplt},
 541 };
 542
 543 static struct ice_flow_engine ice_hash_engine = {
 544         .init = ice_hash_init,
 545         .create = ice_hash_create,
 546         .destroy = ice_hash_destroy,
 547         .uninit = ice_hash_uninit,
 548         .free = ice_hash_free,
 549         .type = ICE_FLOW_ENGINE_HASH,
 550 };
 551
 552 /* Register parser for os package. */
 553 static struct ice_flow_parser ice_hash_parser = {
 554         .engine = &ice_hash_engine,
 555         .array = ice_hash_pattern_list,
 556         .array_len = RTE_DIM(ice_hash_pattern_list),
 557         .parse_pattern_action = ice_hash_parse_pattern_action,
 558         .stage = ICE_FLOW_STAGE_RSS,
 559 };
 560
 561 RTE_INIT(ice_hash_engine_init)
 562 {
 563         struct ice_flow_engine *engine = &ice_hash_engine;
 564         ice_register_flow_engine(engine);
 565 }
 566
 567 static int
 568 ice_hash_init(struct ice_adapter *ad)
 569 {
 570         struct ice_flow_parser *parser = NULL;
 571
 572         if (ad->hw.dcf_enabled)
 573                 return 0;
 574
 575         parser = &ice_hash_parser;
 576
 577         return ice_register_parser(parser, ad);
 578 }
 579
 580 static int
 581 ice_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 582                        struct rte_flow_error *error)
 583 {
 584         const struct rte_flow_item *item = pattern;
 585         const struct rte_flow_item_gtp_psc *psc;
 586
 587         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 588                 if (item->last) {
 589                         rte_flow_error_set(error, EINVAL,
 590                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 591                                         "Not support range");
 592                         return -rte_errno;
 593                 }
 594
 595                 switch (item->type) {
 596                 case RTE_FLOW_ITEM_TYPE_VLAN:
 597                         *phint |= ICE_PHINT_VLAN;
 598                         break;
 599                 case RTE_FLOW_ITEM_TYPE_PPPOES:
 600                         *phint |= ICE_PHINT_PPPOE;
 601                         break;
 602                 case RTE_FLOW_ITEM_TYPE_GTPU:
 603                         *phint |= ICE_PHINT_GTPU;
 604                         break;
 605                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 606                         *phint |= ICE_PHINT_GTPU_EH;
 607                         psc = item->spec;
 608                         if (!psc)
 609                                 break;
 610                         else if (psc->pdu_type == ICE_GTPU_EH_UPLINK)
 611                                 *phint |= ICE_PHINT_GTPU_EH_UP;
 612                         else if (psc->pdu_type == ICE_GTPU_EH_DWNLINK)
 613                                 *phint |= ICE_PHINT_GTPU_EH_DWN;
 614                         break;
 615                 default:
 616                         break;
 617                 }
 618         }
 619
 620         return 0;
 621 }
 622
 623 static void
 624 ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg *hash_cfg,
 625                          uint64_t rss_type)
 626 {
 627         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 628         uint64_t *hash_flds = &hash_cfg->hash_flds;
 629
 630         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH) {
 631                 if (!(rss_type & ETH_RSS_ETH))
 632                         *hash_flds &= ~ICE_FLOW_HASH_ETH;
 633                 if (rss_type & ETH_RSS_L2_SRC_ONLY)
 634                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA));
 635                 else if (rss_type & ETH_RSS_L2_DST_ONLY)
 636                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA));
 637                 *addl_hdrs &= ~ICE_FLOW_SEG_HDR_ETH;
 638         }
 639
 640         if (*addl_hdrs & ICE_FLOW_SEG_HDR_VLAN) {
 641                 if (rss_type & ETH_RSS_C_VLAN)
 642                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN);
 643                 else if (rss_type & ETH_RSS_S_VLAN)
 644                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN);
 645         }
 646
 647         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
 648                 if (!(rss_type & ETH_RSS_PPPOE))
 649                         *hash_flds &= ~ICE_FLOW_HASH_PPPOE_SESS_ID;
 650         }
 651
 652         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV4) {
 653                 if (rss_type &
 654                    (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 655                     ETH_RSS_NONFRAG_IPV4_UDP |
 656                     ETH_RSS_NONFRAG_IPV4_TCP |
 657                     ETH_RSS_NONFRAG_IPV4_SCTP)) {
 658                         if (rss_type & ETH_RSS_FRAG_IPV4) {
 659                                 *addl_hdrs |= ICE_FLOW_SEG_HDR_IPV_FRAG;
 660                                 *addl_hdrs &= ~(ICE_FLOW_SEG_HDR_IPV_OTHER);
 661                                 *hash_flds |=
 662                                         BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID);
 663                         }
 664                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 665                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA));
 666                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 667                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA));
 668                         else if (rss_type &
 669                                 (ETH_RSS_L4_SRC_ONLY |
 670                                 ETH_RSS_L4_DST_ONLY))
 671                                 *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 672                 } else {
 673                         *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 674                 }
 675         }
 676
 677         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
 678                 if (rss_type &
 679                    (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
 680                     ETH_RSS_NONFRAG_IPV6_UDP |
 681                     ETH_RSS_NONFRAG_IPV6_TCP |
 682                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 683                         if (rss_type & ETH_RSS_FRAG_IPV6)
 684                                 *hash_flds |=
 685                                         BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID);
 686                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 687                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 688                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 689                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 690                         else if (rss_type &
 691                                 (ETH_RSS_L4_SRC_ONLY |
 692                                 ETH_RSS_L4_DST_ONLY))
 693                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 694                 } else {
 695                         *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 696                 }
 697
 698                 if (rss_type & RTE_ETH_RSS_L3_PRE32) {
 699                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 700                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 701                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA));
 702                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 703                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 704                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA));
 705                         } else {
 706                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 707                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE32;
 708                         }
 709                 }
 710                 if (rss_type & RTE_ETH_RSS_L3_PRE48) {
 711                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 712                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 713                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA));
 714                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 715                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 716                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA));
 717                         } else {
 718                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 719                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE48;
 720                         }
 721                 }
 722                 if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 723                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 724                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 725                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA));
 726                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 727                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 728                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA));
 729                         } else {
 730                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 731                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE64;
 732                         }
 733                 }
 734         }
 735
 736         if (*addl_hdrs & ICE_FLOW_SEG_HDR_UDP) {
 737                 if (rss_type &
 738                    (ETH_RSS_NONFRAG_IPV4_UDP |
 739                     ETH_RSS_NONFRAG_IPV6_UDP)) {
 740                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 741                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT));
 742                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 743                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT));
 744                         else if (rss_type &
 745                                 (ETH_RSS_L3_SRC_ONLY |
 746                                   ETH_RSS_L3_DST_ONLY))
 747                                 *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
 748                 } else {
 749                         *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
 750                 }
 751         }
 752
 753         if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
 754                 if (rss_type &
 755                    (ETH_RSS_NONFRAG_IPV4_TCP |
 756                     ETH_RSS_NONFRAG_IPV6_TCP)) {
 757                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 758                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT));
 759                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 760                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT));
 761                         else if (rss_type &
 762                                 (ETH_RSS_L3_SRC_ONLY |
 763                                   ETH_RSS_L3_DST_ONLY))
 764                                 *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
 765                 } else {
 766                         *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
 767                 }
 768         }
 769
 770         if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
 771                 if (rss_type &
 772                    (ETH_RSS_NONFRAG_IPV4_SCTP |
 773                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 774                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 775                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT));
 776                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 777                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT));
 778                         else if (rss_type &
 779                                 (ETH_RSS_L3_SRC_ONLY |
 780                                   ETH_RSS_L3_DST_ONLY))
 781                                 *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 782                 } else {
 783                         *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 784                 }
 785         }
 786
 787         if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
 788                 if (!(rss_type & ETH_RSS_L2TPV3))
 789                         *hash_flds &= ~ICE_FLOW_HASH_L2TPV3_SESS_ID;
 790         }
 791
 792         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ESP) {
 793                 if (!(rss_type & ETH_RSS_ESP))
 794                         *hash_flds &= ~ICE_FLOW_HASH_ESP_SPI;
 795         }
 796
 797         if (*addl_hdrs & ICE_FLOW_SEG_HDR_AH) {
 798                 if (!(rss_type & ETH_RSS_AH))
 799                         *hash_flds &= ~ICE_FLOW_HASH_AH_SPI;
 800         }
 801
 802         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PFCP_SESSION) {
 803                 if (!(rss_type & ETH_RSS_PFCP))
 804                         *hash_flds &= ~ICE_FLOW_HASH_PFCP_SEID;
 805         }
 806 }
 807
 808 static void
 809 ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg *hash_cfg,
 810                                  uint64_t phint)
 811 {
 812         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 813         if (phint & ICE_PHINT_VLAN)
 814                 *addl_hdrs |= ICE_FLOW_SEG_HDR_VLAN;
 815
 816         if (phint & ICE_PHINT_PPPOE)
 817                 *addl_hdrs |= ICE_FLOW_SEG_HDR_PPPOE;
 818
 819         if (phint & ICE_PHINT_GTPU_EH_DWN)
 820                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
 821         else if (phint & ICE_PHINT_GTPU_EH_UP)
 822                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
 823         else if (phint & ICE_PHINT_GTPU_EH)
 824                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
 825         else if (phint & ICE_PHINT_GTPU)
 826                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
 827 }
 828
 829 static void
 830 ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg *hash_cfg,
 831                          uint64_t rss_type)
 832 {
 833         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 834         uint64_t *hash_flds = &hash_cfg->hash_flds;
 835
 836         /* update hash field for gtpu eh/gtpu dwn/gtpu up. */
 837         if (!(rss_type & ETH_RSS_GTPU))
 838                 return;
 839
 840         if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN)
 841                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
 842         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_UP)
 843                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
 844         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_EH)
 845                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
 846         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_IP)
 847                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
 848 }
 849
 850 static void ice_refine_hash_cfg(struct ice_rss_hash_cfg *hash_cfg,
 851                                 uint64_t rss_type, uint64_t phint)
 852 {
 853         ice_refine_proto_hdrs_by_pattern(hash_cfg, phint);
 854         ice_refine_hash_cfg_l234(hash_cfg, rss_type);
 855         ice_refine_hash_cfg_gtpu(hash_cfg, rss_type);
 856 }
 857
 858 static uint64_t invalid_rss_comb[] = {
 859         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
 860         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_TCP,
 861         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
 862         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP,
 863         RTE_ETH_RSS_L3_PRE40 |
 864         RTE_ETH_RSS_L3_PRE56 |
 865         RTE_ETH_RSS_L3_PRE96
 866 };
 867
 868 struct rss_attr_type {
 869         uint64_t attr;
 870         uint64_t type;
 871 };
 872
 873 static struct rss_attr_type rss_attr_to_valid_type[] = {
 874         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
 875         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
 876         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
 877         /* current ipv6 prefix only supports prefix 64 bits*/
 878         {RTE_ETH_RSS_L3_PRE32,                          VALID_RSS_IPV6},
 879         {RTE_ETH_RSS_L3_PRE48,                          VALID_RSS_IPV6},
 880         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
 881         {INVALID_RSS_ATTR,                              0}
 882 };
 883
 884 static bool
 885 ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
 886                          uint64_t rss_type, uint64_t allow_rss_type)
 887 {
 888         uint32_t i;
 889
 890         /**
 891          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
 892          * hash function.
 893          */
 894         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 895                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
 896                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
 897                         return true;
 898
 899                 if (!(rss_type &
 900                    (ETH_RSS_IPV4 | ETH_RSS_IPV6 |
 901                     ETH_RSS_FRAG_IPV4 | ETH_RSS_FRAG_IPV6 |
 902                     ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
 903                     ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV6_TCP |
 904                     ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_NONFRAG_IPV6_SCTP)))
 905                         return true;
 906         }
 907
 908         /* check invalid combination */
 909         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
 910                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
 911                         return true;
 912         }
 913
 914         /* check invalid RSS attribute */
 915         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
 916                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
 917
 918                 if (rat->attr & rss_type && !(rat->type & rss_type))
 919                         return true;
 920         }
 921
 922         /* check not allowed RSS type */
 923         rss_type &= ~VALID_RSS_ATTR;
 924
 925         return ((rss_type & allow_rss_type) != rss_type);
 926 }
 927
 928 static int
 929 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 930                 const struct rte_flow_action actions[],
 931                 uint64_t pattern_hint, void **meta,
 932                 struct rte_flow_error *error)
 933 {
 934         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)*meta;
 935         struct ice_rss_hash_cfg *cfg = pattern_match_item->meta;
 936         enum rte_flow_action_type action_type;
 937         const struct rte_flow_action_rss *rss;
 938         const struct rte_flow_action *action;
 939         uint64_t rss_type;
 940
 941         /* Supported action is RSS. */
 942         for (action = actions; action->type !=
 943                 RTE_FLOW_ACTION_TYPE_END; action++) {
 944                 action_type = action->type;
 945                 switch (action_type) {
 946                 case RTE_FLOW_ACTION_TYPE_RSS:
 947                         rss = action->conf;
 948                         rss_type = rss->types;
 949
 950                         /* Check hash function and save it to rss_meta. */
 951                         if (pattern_match_item->pattern_list !=
 952                             pattern_empty && rss->func ==
 953                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
 954                                 return rte_flow_error_set(error, ENOTSUP,
 955                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 956                                         "Not supported flow");
 957                         } else if (rss->func ==
 958                                    RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
 959                                 rss_meta->hash_function =
 960                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
 961                                 return 0;
 962                         } else if (rss->func ==
 963                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 964                                 rss_meta->hash_function =
 965                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
 966                                 cfg->symm = true;
 967                         }
 968
 969                         if (rss->level)
 970                                 return rte_flow_error_set(error, ENOTSUP,
 971                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 972                                         "a nonzero RSS encapsulation level is not supported");
 973
 974                         if (rss->key_len)
 975                                 return rte_flow_error_set(error, ENOTSUP,
 976                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 977                                         "a nonzero RSS key_len is not supported");
 978
 979                         if (rss->queue)
 980                                 return rte_flow_error_set(error, ENOTSUP,
 981                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 982                                         "a non-NULL RSS queue is not supported");
 983
 984                         /**
 985                          * Check simultaneous use of SRC_ONLY and DST_ONLY
 986                          * of the same level.
 987                          */
 988                         rss_type = rte_eth_rss_hf_refine(rss_type);
 989
 990                         if (ice_any_invalid_rss_type(rss->func, rss_type,
 991                                         pattern_match_item->input_set_mask_o))
 992                                 return rte_flow_error_set(error, ENOTSUP,
 993                                         RTE_FLOW_ERROR_TYPE_ACTION,
 994                                         action, "RSS type not supported");
 995
 996                         rss_meta->cfg = *cfg;
 997                         ice_refine_hash_cfg(&rss_meta->cfg,
 998                                             rss_type, pattern_hint);
 999                         break;
1000                 case RTE_FLOW_ACTION_TYPE_END:
1001                         break;
1002
1003                 default:
1004                         rte_flow_error_set(error, EINVAL,
1005                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1006                                         "Invalid action.");
1007                         return -rte_errno;
1008                 }
1009         }
1010
1011         return 0;
1012 }
1013
1014 static int
1015 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
1016                         struct ice_pattern_match_item *array,
1017                         uint32_t array_len,
1018                         const struct rte_flow_item pattern[],
1019                         const struct rte_flow_action actions[],
1020                         uint32_t priority __rte_unused,
1021                         void **meta,
1022                         struct rte_flow_error *error)
1023 {
1024         int ret = 0;
1025         struct ice_pattern_match_item *pattern_match_item;
1026         struct ice_rss_meta *rss_meta_ptr;
1027         uint64_t phint = ICE_PHINT_NONE;
1028
1029         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1030         if (!rss_meta_ptr) {
1031                 rte_flow_error_set(error, EINVAL,
1032                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1033                                 "No memory for rss_meta_ptr");
1034                 return -ENOMEM;
1035         }
1036
1037         /* Check rss supported pattern and find matched pattern. */
1038         pattern_match_item = ice_search_pattern_match_item(ad, pattern, array,
1039                                                            array_len, error);
1040         if (!pattern_match_item) {
1041                 ret = -rte_errno;
1042                 goto error;
1043         }
1044
1045         ret = ice_hash_parse_pattern(pattern, &phint, error);
1046         if (ret)
1047                 goto error;
1048
1049         /* Check rss action. */
1050         ret = ice_hash_parse_action(pattern_match_item, actions, phint,
1051                                     (void **)&rss_meta_ptr, error);
1052
1053 error:
1054         if (!ret && meta)
1055                 *meta = rss_meta_ptr;
1056         else
1057                 rte_free(rss_meta_ptr);
1058         rte_free(pattern_match_item);
1059
1060         return ret;
1061 }
1062
1063 static int
1064 ice_hash_create(struct ice_adapter *ad,
1065                 struct rte_flow *flow,
1066                 void *meta,
1067                 struct rte_flow_error *error)
1068 {
1069         struct ice_pf *pf = &ad->pf;
1070         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1071         struct ice_vsi *vsi = pf->main_vsi;
1072         int ret;
1073         uint32_t reg;
1074         struct ice_hash_flow_cfg *filter_ptr;
1075         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)meta;
1076         uint8_t hash_function = rss_meta->hash_function;
1077
1078         filter_ptr = rte_zmalloc("ice_rss_filter",
1079                                 sizeof(struct ice_hash_flow_cfg), 0);
1080         if (!filter_ptr) {
1081                 rte_flow_error_set(error, EINVAL,
1082                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1083                                 "No memory for filter_ptr");
1084                 return -ENOMEM;
1085         }
1086
1087         if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
1088                 /* Enable registers for simple_xor hash function. */
1089                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1090                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1091                         (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1092                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1093
1094                 filter_ptr->simple_xor = 1;
1095
1096                 goto out;
1097         } else {
1098                 memcpy(&filter_ptr->rss_cfg.hash, &rss_meta->cfg,
1099                        sizeof(struct ice_rss_hash_cfg));
1100                 ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
1101                                            &filter_ptr->rss_cfg.hash);
1102                 if (ret) {
1103                         rte_flow_error_set(error, EINVAL,
1104                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1105                                         "rss flow create fail");
1106                         goto error;
1107                 }
1108         }
1109
1110 out:
1111         flow->rule = filter_ptr;
1112         rte_free(meta);
1113         return 0;
1114
1115 error:
1116         rte_free(filter_ptr);
1117         rte_free(meta);
1118         return -rte_errno;
1119 }
1120
1121 static int
1122 ice_hash_destroy(struct ice_adapter *ad,
1123                 struct rte_flow *flow,
1124                 struct rte_flow_error *error)
1125 {
1126         struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
1127         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1128         struct ice_vsi *vsi = pf->main_vsi;
1129         int ret;
1130         uint32_t reg;
1131         struct ice_hash_flow_cfg *filter_ptr;
1132
1133         filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
1134
1135         if (filter_ptr->simple_xor == 1) {
1136                 /* Return to symmetric_toeplitz state. */
1137                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1138                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1139                         (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1140                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1141         } else {
1142                 ret = ice_rem_rss_cfg_wrap(pf, vsi->idx,
1143                                            &filter_ptr->rss_cfg.hash);
1144                 /* Fixme: Ignore the error if a rule does not exist.
1145                  * Currently a rule for inputset change or symm turn on/off
1146                  * will overwrite an exist rule, while application still
1147                  * have 2 rte_flow handles.
1148                  **/
1149                 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
1150                         rte_flow_error_set(error, EINVAL,
1151                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1152                                         "rss flow destroy fail");
1153                         goto error;
1154                 }
1155         }
1156
1157         rte_free(filter_ptr);
1158         return 0;
1159
1160 error:
1161         rte_free(filter_ptr);
1162         return -rte_errno;
1163 }
1164
1165 static void
1166 ice_hash_uninit(struct ice_adapter *ad)
1167 {
1168         if (ad->hw.dcf_enabled)
1169                 return;
1170
1171         ice_unregister_parser(&ice_hash_parser, ad);
1172 }
1173
1174 static void
1175 ice_hash_free(struct rte_flow *flow)
1176 {
1177         rte_free(flow->rule);
1178 }