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_OUTER_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 struct ice_rss_hash_cfg eth_tmplt = {
 369         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_ETH_NON_IP,
 370         ICE_FLOW_HASH_ETH,
 371         ICE_RSS_OUTER_HEADERS,
 372         0
 373 };
 374
 375 /* IPv4 */
 376 #define ICE_RSS_TYPE_ETH_IPV4           (ETH_RSS_ETH | ETH_RSS_IPV4 | \
 377                                          ETH_RSS_FRAG_IPV4)
 378 #define ICE_RSS_TYPE_ETH_IPV4_UDP       (ICE_RSS_TYPE_ETH_IPV4 | \
 379                                          ETH_RSS_NONFRAG_IPV4_UDP)
 380 #define ICE_RSS_TYPE_ETH_IPV4_TCP       (ICE_RSS_TYPE_ETH_IPV4 | \
 381                                          ETH_RSS_NONFRAG_IPV4_TCP)
 382 #define ICE_RSS_TYPE_ETH_IPV4_SCTP      (ICE_RSS_TYPE_ETH_IPV4 | \
 383                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 384 #define ICE_RSS_TYPE_IPV4               ETH_RSS_IPV4
 385 #define ICE_RSS_TYPE_IPV4_UDP           (ETH_RSS_IPV4 | \
 386                                          ETH_RSS_NONFRAG_IPV4_UDP)
 387 #define ICE_RSS_TYPE_IPV4_TCP           (ETH_RSS_IPV4 | \
 388                                          ETH_RSS_NONFRAG_IPV4_TCP)
 389 #define ICE_RSS_TYPE_IPV4_SCTP          (ETH_RSS_IPV4 | \
 390                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 391
 392 /* IPv6 */
 393 #define ICE_RSS_TYPE_ETH_IPV6           (ETH_RSS_ETH | ETH_RSS_IPV6)
 394 #define ICE_RSS_TYPE_ETH_IPV6_FRAG      (ETH_RSS_ETH | ETH_RSS_IPV6 | \
 395                                          ETH_RSS_FRAG_IPV6)
 396 #define ICE_RSS_TYPE_ETH_IPV6_UDP       (ICE_RSS_TYPE_ETH_IPV6 | \
 397                                          ETH_RSS_NONFRAG_IPV6_UDP)
 398 #define ICE_RSS_TYPE_ETH_IPV6_TCP       (ICE_RSS_TYPE_ETH_IPV6 | \
 399                                          ETH_RSS_NONFRAG_IPV6_TCP)
 400 #define ICE_RSS_TYPE_ETH_IPV6_SCTP      (ICE_RSS_TYPE_ETH_IPV6 | \
 401                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 402 #define ICE_RSS_TYPE_IPV6               ETH_RSS_IPV6
 403 #define ICE_RSS_TYPE_IPV6_UDP           (ETH_RSS_IPV6 | \
 404                                          ETH_RSS_NONFRAG_IPV6_UDP)
 405 #define ICE_RSS_TYPE_IPV6_TCP           (ETH_RSS_IPV6 | \
 406                                          ETH_RSS_NONFRAG_IPV6_TCP)
 407 #define ICE_RSS_TYPE_IPV6_SCTP          (ETH_RSS_IPV6 | \
 408                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 409
 410 /* VLAN IPV4 */
 411 #define ICE_RSS_TYPE_VLAN_IPV4          (ICE_RSS_TYPE_IPV4 | \
 412                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
 413                                          ETH_RSS_FRAG_IPV4)
 414 #define ICE_RSS_TYPE_VLAN_IPV4_UDP      (ICE_RSS_TYPE_IPV4_UDP | \
 415                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 416 #define ICE_RSS_TYPE_VLAN_IPV4_TCP      (ICE_RSS_TYPE_IPV4_TCP | \
 417                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 418 #define ICE_RSS_TYPE_VLAN_IPV4_SCTP     (ICE_RSS_TYPE_IPV4_SCTP | \
 419                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 420 /* VLAN IPv6 */
 421 #define ICE_RSS_TYPE_VLAN_IPV6          (ICE_RSS_TYPE_IPV6 | \
 422                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 423 #define ICE_RSS_TYPE_VLAN_IPV6_FRAG     (ICE_RSS_TYPE_IPV6 | \
 424                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
 425                                          ETH_RSS_FRAG_IPV6)
 426 #define ICE_RSS_TYPE_VLAN_IPV6_UDP      (ICE_RSS_TYPE_IPV6_UDP | \
 427                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 428 #define ICE_RSS_TYPE_VLAN_IPV6_TCP      (ICE_RSS_TYPE_IPV6_TCP | \
 429                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 430 #define ICE_RSS_TYPE_VLAN_IPV6_SCTP     (ICE_RSS_TYPE_IPV6_SCTP | \
 431                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 432
 433 /* GTPU IPv4 */
 434 #define ICE_RSS_TYPE_GTPU_IPV4          (ICE_RSS_TYPE_IPV4 | \
 435                                          ETH_RSS_GTPU)
 436 #define ICE_RSS_TYPE_GTPU_IPV4_UDP      (ICE_RSS_TYPE_IPV4_UDP | \
 437                                          ETH_RSS_GTPU)
 438 #define ICE_RSS_TYPE_GTPU_IPV4_TCP      (ICE_RSS_TYPE_IPV4_TCP | \
 439                                          ETH_RSS_GTPU)
 440 /* GTPU IPv6 */
 441 #define ICE_RSS_TYPE_GTPU_IPV6          (ICE_RSS_TYPE_IPV6 | \
 442                                          ETH_RSS_GTPU)
 443 #define ICE_RSS_TYPE_GTPU_IPV6_UDP      (ICE_RSS_TYPE_IPV6_UDP | \
 444                                          ETH_RSS_GTPU)
 445 #define ICE_RSS_TYPE_GTPU_IPV6_TCP      (ICE_RSS_TYPE_IPV6_TCP | \
 446                                          ETH_RSS_GTPU)
 447
 448 /* PPPOE */
 449 #define ICE_RSS_TYPE_PPPOE              (ETH_RSS_ETH | ETH_RSS_PPPOE)
 450
 451 /* PPPOE IPv4 */
 452 #define ICE_RSS_TYPE_PPPOE_IPV4         (ICE_RSS_TYPE_IPV4 | \
 453                                          ICE_RSS_TYPE_PPPOE)
 454 #define ICE_RSS_TYPE_PPPOE_IPV4_UDP     (ICE_RSS_TYPE_IPV4_UDP | \
 455                                          ICE_RSS_TYPE_PPPOE)
 456 #define ICE_RSS_TYPE_PPPOE_IPV4_TCP     (ICE_RSS_TYPE_IPV4_TCP | \
 457                                          ICE_RSS_TYPE_PPPOE)
 458
 459 /* PPPOE IPv6 */
 460 #define ICE_RSS_TYPE_PPPOE_IPV6         (ICE_RSS_TYPE_IPV6 | \
 461                                          ICE_RSS_TYPE_PPPOE)
 462 #define ICE_RSS_TYPE_PPPOE_IPV6_UDP     (ICE_RSS_TYPE_IPV6_UDP | \
 463                                          ICE_RSS_TYPE_PPPOE)
 464 #define ICE_RSS_TYPE_PPPOE_IPV6_TCP     (ICE_RSS_TYPE_IPV6_TCP | \
 465                                          ICE_RSS_TYPE_PPPOE)
 466
 467 /* ESP, AH, L2TPV3 and PFCP */
 468 #define ICE_RSS_TYPE_IPV4_ESP           (ETH_RSS_ESP | ETH_RSS_IPV4)
 469 #define ICE_RSS_TYPE_IPV6_ESP           (ETH_RSS_ESP | ETH_RSS_IPV6)
 470 #define ICE_RSS_TYPE_IPV4_AH            (ETH_RSS_AH | ETH_RSS_IPV4)
 471 #define ICE_RSS_TYPE_IPV6_AH            (ETH_RSS_AH | ETH_RSS_IPV6)
 472 #define ICE_RSS_TYPE_IPV4_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 473 #define ICE_RSS_TYPE_IPV6_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 474 #define ICE_RSS_TYPE_IPV4_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV4)
 475 #define ICE_RSS_TYPE_IPV6_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV6)
 476
 477 /* MAC */
 478 #define ICE_RSS_TYPE_ETH                ETH_RSS_ETH
 479
 480 /**
 481  * Supported pattern for hash.
 482  * The first member is pattern item type,
 483  * the second member is input set mask,
 484  * the third member is ice_rss_hash_cfg template.
 485  */
 486 static struct ice_pattern_match_item ice_hash_pattern_list[] = {
 487         /* IPV4 */
 488         {pattern_eth_ipv4,                      ICE_RSS_TYPE_ETH_IPV4,          ICE_INSET_NONE, &ipv4_tmplt},
 489         {pattern_eth_ipv4_udp,                  ICE_RSS_TYPE_ETH_IPV4_UDP,      ICE_INSET_NONE, &ipv4_udp_tmplt},
 490         {pattern_eth_ipv4_tcp,                  ICE_RSS_TYPE_ETH_IPV4_TCP,      ICE_INSET_NONE, &ipv4_tcp_tmplt},
 491         {pattern_eth_ipv4_sctp,                 ICE_RSS_TYPE_ETH_IPV4_SCTP,     ICE_INSET_NONE, &ipv4_sctp_tmplt},
 492         {pattern_eth_vlan_ipv4,                 ICE_RSS_TYPE_VLAN_IPV4,         ICE_INSET_NONE, &ipv4_tmplt},
 493         {pattern_eth_vlan_ipv4_udp,             ICE_RSS_TYPE_VLAN_IPV4_UDP,     ICE_INSET_NONE, &ipv4_udp_tmplt},
 494         {pattern_eth_vlan_ipv4_tcp,             ICE_RSS_TYPE_VLAN_IPV4_TCP,     ICE_INSET_NONE, &ipv4_tcp_tmplt},
 495         {pattern_eth_vlan_ipv4_sctp,            ICE_RSS_TYPE_VLAN_IPV4_SCTP,    ICE_INSET_NONE, &ipv4_sctp_tmplt},
 496         {pattern_eth_ipv4_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
 497         {pattern_eth_ipv4_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
 498         {pattern_eth_ipv4_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
 499         {pattern_eth_ipv6_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
 500         {pattern_eth_ipv6_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
 501         {pattern_eth_ipv6_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
 502         {pattern_eth_ipv4_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
 503         {pattern_eth_ipv4_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
 504         {pattern_eth_ipv4_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
 505         {pattern_eth_ipv6_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
 506         {pattern_eth_ipv6_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
 507         {pattern_eth_ipv6_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
 508         {pattern_eth_pppoes_ipv4,               ICE_RSS_TYPE_PPPOE_IPV4,        ICE_INSET_NONE, &ipv4_tmplt},
 509         {pattern_eth_pppoes_ipv4_udp,           ICE_RSS_TYPE_PPPOE_IPV4_UDP,    ICE_INSET_NONE, &ipv4_udp_tmplt},
 510         {pattern_eth_pppoes_ipv4_tcp,           ICE_RSS_TYPE_PPPOE_IPV4_TCP,    ICE_INSET_NONE, &ipv4_tcp_tmplt},
 511         {pattern_eth_ipv4_esp,                  ICE_RSS_TYPE_IPV4_ESP,          ICE_INSET_NONE, &eth_ipv4_esp_tmplt},
 512         {pattern_eth_ipv4_udp_esp,              ICE_RSS_TYPE_IPV4_ESP,          ICE_INSET_NONE, &eth_ipv4_udp_esp_tmplt},
 513         {pattern_eth_ipv4_ah,                   ICE_RSS_TYPE_IPV4_AH,           ICE_INSET_NONE, &eth_ipv4_ah_tmplt},
 514         {pattern_eth_ipv4_l2tp,                 ICE_RSS_TYPE_IPV4_L2TPV3,       ICE_INSET_NONE, &eth_ipv4_l2tpv3_tmplt},
 515         {pattern_eth_ipv4_pfcp,                 ICE_RSS_TYPE_IPV4_PFCP,         ICE_INSET_NONE, &eth_ipv4_pfcp_tmplt},
 516         /* IPV6 */
 517         {pattern_eth_ipv6,                      ICE_RSS_TYPE_ETH_IPV6,          ICE_INSET_NONE, &ipv6_tmplt},
 518         {pattern_eth_ipv6_frag_ext,             ICE_RSS_TYPE_ETH_IPV6_FRAG,     ICE_INSET_NONE, &ipv6_frag_tmplt},
 519         {pattern_eth_ipv6_udp,                  ICE_RSS_TYPE_ETH_IPV6_UDP,      ICE_INSET_NONE, &ipv6_udp_tmplt},
 520         {pattern_eth_ipv6_tcp,                  ICE_RSS_TYPE_ETH_IPV6_TCP,      ICE_INSET_NONE, &ipv6_tcp_tmplt},
 521         {pattern_eth_ipv6_sctp,                 ICE_RSS_TYPE_ETH_IPV6_SCTP,     ICE_INSET_NONE, &ipv6_sctp_tmplt},
 522         {pattern_eth_vlan_ipv6,                 ICE_RSS_TYPE_VLAN_IPV6,         ICE_INSET_NONE, &ipv6_tmplt},
 523         {pattern_eth_vlan_ipv6_frag_ext,        ICE_RSS_TYPE_VLAN_IPV6_FRAG,    ICE_INSET_NONE, &ipv6_frag_tmplt},
 524         {pattern_eth_vlan_ipv6_udp,             ICE_RSS_TYPE_VLAN_IPV6_UDP,     ICE_INSET_NONE, &ipv6_udp_tmplt},
 525         {pattern_eth_vlan_ipv6_tcp,             ICE_RSS_TYPE_VLAN_IPV6_TCP,     ICE_INSET_NONE, &ipv6_tcp_tmplt},
 526         {pattern_eth_vlan_ipv6_sctp,            ICE_RSS_TYPE_VLAN_IPV6_SCTP,    ICE_INSET_NONE, &ipv6_sctp_tmplt},
 527         {pattern_eth_ipv4_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
 528         {pattern_eth_ipv4_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
 529         {pattern_eth_ipv4_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
 530         {pattern_eth_ipv6_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
 531         {pattern_eth_ipv6_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
 532         {pattern_eth_ipv6_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
 533         {pattern_eth_ipv4_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
 534         {pattern_eth_ipv4_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
 535         {pattern_eth_ipv4_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
 536         {pattern_eth_ipv6_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
 537         {pattern_eth_ipv6_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
 538         {pattern_eth_ipv6_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
 539         {pattern_eth_pppoes_ipv6,               ICE_RSS_TYPE_PPPOE_IPV6,        ICE_INSET_NONE, &ipv6_tmplt},
 540         {pattern_eth_pppoes_ipv6_udp,           ICE_RSS_TYPE_PPPOE_IPV6_UDP,    ICE_INSET_NONE, &ipv6_udp_tmplt},
 541         {pattern_eth_pppoes_ipv6_tcp,           ICE_RSS_TYPE_PPPOE_IPV6_TCP,    ICE_INSET_NONE, &ipv6_tcp_tmplt},
 542         {pattern_eth_ipv6_esp,                  ICE_RSS_TYPE_IPV6_ESP,          ICE_INSET_NONE, &eth_ipv6_esp_tmplt},
 543         {pattern_eth_ipv6_udp_esp,              ICE_RSS_TYPE_IPV6_ESP,          ICE_INSET_NONE, &eth_ipv6_udp_esp_tmplt},
 544         {pattern_eth_ipv6_ah,                   ICE_RSS_TYPE_IPV6_AH,           ICE_INSET_NONE, &eth_ipv6_ah_tmplt},
 545         {pattern_eth_ipv6_l2tp,                 ICE_RSS_TYPE_IPV6_L2TPV3,       ICE_INSET_NONE, &eth_ipv6_l2tpv3_tmplt},
 546         {pattern_eth_ipv6_pfcp,                 ICE_RSS_TYPE_IPV6_PFCP,         ICE_INSET_NONE, &eth_ipv6_pfcp_tmplt},
 547         /* PPPOE */
 548         {pattern_eth_pppoes,                    ICE_RSS_TYPE_PPPOE,             ICE_INSET_NONE, &pppoe_tmplt},
 549         /* MAC */
 550         {pattern_ethertype,                     ICE_RSS_TYPE_ETH,               ICE_INSET_NONE, &eth_tmplt},
 551         /* EMPTY */
 552         {pattern_empty,                         ICE_INSET_NONE,                 ICE_INSET_NONE, &empty_tmplt},
 553 };
 554
 555 static struct ice_flow_engine ice_hash_engine = {
 556         .init = ice_hash_init,
 557         .create = ice_hash_create,
 558         .destroy = ice_hash_destroy,
 559         .uninit = ice_hash_uninit,
 560         .free = ice_hash_free,
 561         .type = ICE_FLOW_ENGINE_HASH,
 562 };
 563
 564 /* Register parser for os package. */
 565 static struct ice_flow_parser ice_hash_parser = {
 566         .engine = &ice_hash_engine,
 567         .array = ice_hash_pattern_list,
 568         .array_len = RTE_DIM(ice_hash_pattern_list),
 569         .parse_pattern_action = ice_hash_parse_pattern_action,
 570         .stage = ICE_FLOW_STAGE_RSS,
 571 };
 572
 573 RTE_INIT(ice_hash_engine_init)
 574 {
 575         struct ice_flow_engine *engine = &ice_hash_engine;
 576         ice_register_flow_engine(engine);
 577 }
 578
 579 static int
 580 ice_hash_init(struct ice_adapter *ad)
 581 {
 582         struct ice_flow_parser *parser = NULL;
 583
 584         if (ad->hw.dcf_enabled)
 585                 return 0;
 586
 587         parser = &ice_hash_parser;
 588
 589         return ice_register_parser(parser, ad);
 590 }
 591
 592 static int
 593 ice_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 594                        struct rte_flow_error *error)
 595 {
 596         const struct rte_flow_item *item = pattern;
 597         const struct rte_flow_item_gtp_psc *psc;
 598
 599         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 600                 if (item->last) {
 601                         rte_flow_error_set(error, EINVAL,
 602                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 603                                         "Not support range");
 604                         return -rte_errno;
 605                 }
 606
 607                 switch (item->type) {
 608                 case RTE_FLOW_ITEM_TYPE_VLAN:
 609                         *phint |= ICE_PHINT_VLAN;
 610                         break;
 611                 case RTE_FLOW_ITEM_TYPE_PPPOES:
 612                         *phint |= ICE_PHINT_PPPOE;
 613                         break;
 614                 case RTE_FLOW_ITEM_TYPE_GTPU:
 615                         *phint |= ICE_PHINT_GTPU;
 616                         break;
 617                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 618                         *phint |= ICE_PHINT_GTPU_EH;
 619                         psc = item->spec;
 620                         if (!psc)
 621                                 break;
 622                         else if (psc->hdr.type == ICE_GTPU_EH_UPLINK)
 623                                 *phint |= ICE_PHINT_GTPU_EH_UP;
 624                         else if (psc->hdr.type == ICE_GTPU_EH_DWNLINK)
 625                                 *phint |= ICE_PHINT_GTPU_EH_DWN;
 626                         break;
 627                 default:
 628                         break;
 629                 }
 630         }
 631
 632         return 0;
 633 }
 634
 635 static void
 636 ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg *hash_cfg,
 637                          uint64_t rss_type)
 638 {
 639         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 640         uint64_t *hash_flds = &hash_cfg->hash_flds;
 641
 642         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH) {
 643                 if (!(rss_type & ETH_RSS_ETH))
 644                         *hash_flds &= ~ICE_FLOW_HASH_ETH;
 645                 if (rss_type & ETH_RSS_L2_SRC_ONLY)
 646                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA));
 647                 else if (rss_type & ETH_RSS_L2_DST_ONLY)
 648                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA));
 649                 *addl_hdrs &= ~ICE_FLOW_SEG_HDR_ETH;
 650         }
 651
 652         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH_NON_IP) {
 653                 if (rss_type & ETH_RSS_ETH)
 654                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE);
 655         }
 656
 657         if (*addl_hdrs & ICE_FLOW_SEG_HDR_VLAN) {
 658                 if (rss_type & ETH_RSS_C_VLAN)
 659                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN);
 660                 else if (rss_type & ETH_RSS_S_VLAN)
 661                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN);
 662         }
 663
 664         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
 665                 if (!(rss_type & ETH_RSS_PPPOE))
 666                         *hash_flds &= ~ICE_FLOW_HASH_PPPOE_SESS_ID;
 667         }
 668
 669         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV4) {
 670                 if (rss_type &
 671                    (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
 672                     ETH_RSS_NONFRAG_IPV4_UDP |
 673                     ETH_RSS_NONFRAG_IPV4_TCP |
 674                     ETH_RSS_NONFRAG_IPV4_SCTP)) {
 675                         if (rss_type & ETH_RSS_FRAG_IPV4) {
 676                                 *addl_hdrs |= ICE_FLOW_SEG_HDR_IPV_FRAG;
 677                                 *addl_hdrs &= ~(ICE_FLOW_SEG_HDR_IPV_OTHER);
 678                                 *hash_flds |=
 679                                         BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID);
 680                         }
 681                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 682                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA));
 683                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 684                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA));
 685                         else if (rss_type &
 686                                 (ETH_RSS_L4_SRC_ONLY |
 687                                 ETH_RSS_L4_DST_ONLY))
 688                                 *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 689                 } else {
 690                         *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 691                 }
 692         }
 693
 694         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
 695                 if (rss_type &
 696                    (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
 697                     ETH_RSS_NONFRAG_IPV6_UDP |
 698                     ETH_RSS_NONFRAG_IPV6_TCP |
 699                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 700                         if (rss_type & ETH_RSS_FRAG_IPV6)
 701                                 *hash_flds |=
 702                                         BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID);
 703                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 704                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 705                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 706                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 707                         else if (rss_type &
 708                                 (ETH_RSS_L4_SRC_ONLY |
 709                                 ETH_RSS_L4_DST_ONLY))
 710                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 711                 } else {
 712                         *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 713                 }
 714
 715                 if (rss_type & RTE_ETH_RSS_L3_PRE32) {
 716                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 717                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 718                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA));
 719                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 720                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 721                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA));
 722                         } else {
 723                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 724                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE32;
 725                         }
 726                 }
 727                 if (rss_type & RTE_ETH_RSS_L3_PRE48) {
 728                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 729                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 730                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA));
 731                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 732                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 733                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA));
 734                         } else {
 735                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 736                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE48;
 737                         }
 738                 }
 739                 if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 740                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 741                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 742                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA));
 743                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 744                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 745                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA));
 746                         } else {
 747                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 748                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE64;
 749                         }
 750                 }
 751         }
 752
 753         if (*addl_hdrs & ICE_FLOW_SEG_HDR_UDP) {
 754                 if (rss_type &
 755                    (ETH_RSS_NONFRAG_IPV4_UDP |
 756                     ETH_RSS_NONFRAG_IPV6_UDP)) {
 757                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 758                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT));
 759                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 760                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_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_UDP_PORT;
 765                 } else {
 766                         *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
 767                 }
 768         }
 769
 770         if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
 771                 if (rss_type &
 772                    (ETH_RSS_NONFRAG_IPV4_TCP |
 773                     ETH_RSS_NONFRAG_IPV6_TCP)) {
 774                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 775                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT));
 776                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 777                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_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_TCP_PORT;
 782                 } else {
 783                         *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
 784                 }
 785         }
 786
 787         if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
 788                 if (rss_type &
 789                    (ETH_RSS_NONFRAG_IPV4_SCTP |
 790                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 791                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 792                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT));
 793                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 794                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT));
 795                         else if (rss_type &
 796                                 (ETH_RSS_L3_SRC_ONLY |
 797                                   ETH_RSS_L3_DST_ONLY))
 798                                 *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 799                 } else {
 800                         *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 801                 }
 802         }
 803
 804         if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
 805                 if (!(rss_type & ETH_RSS_L2TPV3))
 806                         *hash_flds &= ~ICE_FLOW_HASH_L2TPV3_SESS_ID;
 807         }
 808
 809         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ESP) {
 810                 if (!(rss_type & ETH_RSS_ESP))
 811                         *hash_flds &= ~ICE_FLOW_HASH_ESP_SPI;
 812         }
 813
 814         if (*addl_hdrs & ICE_FLOW_SEG_HDR_AH) {
 815                 if (!(rss_type & ETH_RSS_AH))
 816                         *hash_flds &= ~ICE_FLOW_HASH_AH_SPI;
 817         }
 818
 819         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PFCP_SESSION) {
 820                 if (!(rss_type & ETH_RSS_PFCP))
 821                         *hash_flds &= ~ICE_FLOW_HASH_PFCP_SEID;
 822         }
 823 }
 824
 825 static void
 826 ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg *hash_cfg,
 827                                  uint64_t phint)
 828 {
 829         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 830         if (phint & ICE_PHINT_VLAN)
 831                 *addl_hdrs |= ICE_FLOW_SEG_HDR_VLAN;
 832
 833         if (phint & ICE_PHINT_PPPOE)
 834                 *addl_hdrs |= ICE_FLOW_SEG_HDR_PPPOE;
 835
 836         if (phint & ICE_PHINT_GTPU_EH_DWN)
 837                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
 838         else if (phint & ICE_PHINT_GTPU_EH_UP)
 839                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
 840         else if (phint & ICE_PHINT_GTPU_EH)
 841                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
 842         else if (phint & ICE_PHINT_GTPU)
 843                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
 844 }
 845
 846 static void
 847 ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg *hash_cfg,
 848                          uint64_t rss_type)
 849 {
 850         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 851         uint64_t *hash_flds = &hash_cfg->hash_flds;
 852
 853         /* update hash field for gtpu eh/gtpu dwn/gtpu up. */
 854         if (!(rss_type & ETH_RSS_GTPU))
 855                 return;
 856
 857         if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN)
 858                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
 859         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_UP)
 860                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
 861         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_EH)
 862                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
 863         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_IP)
 864                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
 865 }
 866
 867 static void ice_refine_hash_cfg(struct ice_rss_hash_cfg *hash_cfg,
 868                                 uint64_t rss_type, uint64_t phint)
 869 {
 870         ice_refine_proto_hdrs_by_pattern(hash_cfg, phint);
 871         ice_refine_hash_cfg_l234(hash_cfg, rss_type);
 872         ice_refine_hash_cfg_gtpu(hash_cfg, rss_type);
 873 }
 874
 875 static uint64_t invalid_rss_comb[] = {
 876         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
 877         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_TCP,
 878         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
 879         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP,
 880         RTE_ETH_RSS_L3_PRE40 |
 881         RTE_ETH_RSS_L3_PRE56 |
 882         RTE_ETH_RSS_L3_PRE96
 883 };
 884
 885 struct rss_attr_type {
 886         uint64_t attr;
 887         uint64_t type;
 888 };
 889
 890 static struct rss_attr_type rss_attr_to_valid_type[] = {
 891         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
 892         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
 893         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
 894         /* current ipv6 prefix only supports prefix 64 bits*/
 895         {RTE_ETH_RSS_L3_PRE32,                          VALID_RSS_IPV6},
 896         {RTE_ETH_RSS_L3_PRE48,                          VALID_RSS_IPV6},
 897         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
 898         {INVALID_RSS_ATTR,                              0}
 899 };
 900
 901 static bool
 902 ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
 903                          uint64_t rss_type, uint64_t allow_rss_type)
 904 {
 905         uint32_t i;
 906
 907         /**
 908          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
 909          * hash function.
 910          */
 911         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 912                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
 913                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
 914                         return true;
 915
 916                 if (!(rss_type &
 917                    (ETH_RSS_IPV4 | ETH_RSS_IPV6 |
 918                     ETH_RSS_FRAG_IPV4 | ETH_RSS_FRAG_IPV6 |
 919                     ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
 920                     ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV6_TCP |
 921                     ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_NONFRAG_IPV6_SCTP)))
 922                         return true;
 923         }
 924
 925         /* check invalid combination */
 926         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
 927                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
 928                         return true;
 929         }
 930
 931         /* check invalid RSS attribute */
 932         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
 933                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
 934
 935                 if (rat->attr & rss_type && !(rat->type & rss_type))
 936                         return true;
 937         }
 938
 939         /* check not allowed RSS type */
 940         rss_type &= ~VALID_RSS_ATTR;
 941
 942         return ((rss_type & allow_rss_type) != rss_type);
 943 }
 944
 945 static int
 946 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 947                 const struct rte_flow_action actions[],
 948                 uint64_t pattern_hint, void **meta,
 949                 struct rte_flow_error *error)
 950 {
 951         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)*meta;
 952         struct ice_rss_hash_cfg *cfg = pattern_match_item->meta;
 953         enum rte_flow_action_type action_type;
 954         const struct rte_flow_action_rss *rss;
 955         const struct rte_flow_action *action;
 956         uint64_t rss_type;
 957
 958         /* Supported action is RSS. */
 959         for (action = actions; action->type !=
 960                 RTE_FLOW_ACTION_TYPE_END; action++) {
 961                 action_type = action->type;
 962                 switch (action_type) {
 963                 case RTE_FLOW_ACTION_TYPE_RSS:
 964                         rss = action->conf;
 965                         rss_type = rss->types;
 966
 967                         /* Check hash function and save it to rss_meta. */
 968                         if (pattern_match_item->pattern_list !=
 969                             pattern_empty && rss->func ==
 970                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
 971                                 return rte_flow_error_set(error, ENOTSUP,
 972                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 973                                         "Not supported flow");
 974                         } else if (rss->func ==
 975                                    RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
 976                                 rss_meta->hash_function =
 977                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
 978                                 return 0;
 979                         } else if (rss->func ==
 980                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 981                                 rss_meta->hash_function =
 982                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
 983                                 cfg->symm = true;
 984                         }
 985
 986                         if (rss->level)
 987                                 return rte_flow_error_set(error, ENOTSUP,
 988                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 989                                         "a nonzero RSS encapsulation level is not supported");
 990
 991                         if (rss->key_len)
 992                                 return rte_flow_error_set(error, ENOTSUP,
 993                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 994                                         "a nonzero RSS key_len is not supported");
 995
 996                         if (rss->queue)
 997                                 return rte_flow_error_set(error, ENOTSUP,
 998                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 999                                         "a non-NULL RSS queue is not supported");
1000
1001                         /**
1002                          * Check simultaneous use of SRC_ONLY and DST_ONLY
1003                          * of the same level.
1004                          */
1005                         rss_type = rte_eth_rss_hf_refine(rss_type);
1006
1007                         if (ice_any_invalid_rss_type(rss->func, rss_type,
1008                                         pattern_match_item->input_set_mask_o))
1009                                 return rte_flow_error_set(error, ENOTSUP,
1010                                         RTE_FLOW_ERROR_TYPE_ACTION,
1011                                         action, "RSS type not supported");
1012
1013                         rss_meta->cfg = *cfg;
1014                         ice_refine_hash_cfg(&rss_meta->cfg,
1015                                             rss_type, pattern_hint);
1016                         break;
1017                 case RTE_FLOW_ACTION_TYPE_END:
1018                         break;
1019
1020                 default:
1021                         rte_flow_error_set(error, EINVAL,
1022                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
1023                                         "Invalid action.");
1024                         return -rte_errno;
1025                 }
1026         }
1027
1028         return 0;
1029 }
1030
1031 static int
1032 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
1033                         struct ice_pattern_match_item *array,
1034                         uint32_t array_len,
1035                         const struct rte_flow_item pattern[],
1036                         const struct rte_flow_action actions[],
1037                         uint32_t priority,
1038                         void **meta,
1039                         struct rte_flow_error *error)
1040 {
1041         int ret = 0;
1042         struct ice_pattern_match_item *pattern_match_item;
1043         struct ice_rss_meta *rss_meta_ptr;
1044         uint64_t phint = ICE_PHINT_NONE;
1045
1046         if (priority >= 1)
1047                 return -rte_errno;
1048
1049         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
1050         if (!rss_meta_ptr) {
1051                 rte_flow_error_set(error, EINVAL,
1052                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1053                                 "No memory for rss_meta_ptr");
1054                 return -ENOMEM;
1055         }
1056
1057         /* Check rss supported pattern and find matched pattern. */
1058         pattern_match_item = ice_search_pattern_match_item(ad, pattern, array,
1059                                                            array_len, error);
1060         if (!pattern_match_item) {
1061                 ret = -rte_errno;
1062                 goto error;
1063         }
1064
1065         ret = ice_hash_parse_pattern(pattern, &phint, error);
1066         if (ret)
1067                 goto error;
1068
1069         /* Check rss action. */
1070         ret = ice_hash_parse_action(pattern_match_item, actions, phint,
1071                                     (void **)&rss_meta_ptr, error);
1072
1073 error:
1074         if (!ret && meta)
1075                 *meta = rss_meta_ptr;
1076         else
1077                 rte_free(rss_meta_ptr);
1078         rte_free(pattern_match_item);
1079
1080         return ret;
1081 }
1082
1083 static int
1084 ice_hash_create(struct ice_adapter *ad,
1085                 struct rte_flow *flow,
1086                 void *meta,
1087                 struct rte_flow_error *error)
1088 {
1089         struct ice_pf *pf = &ad->pf;
1090         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1091         struct ice_vsi *vsi = pf->main_vsi;
1092         int ret;
1093         uint32_t reg;
1094         struct ice_hash_flow_cfg *filter_ptr;
1095         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)meta;
1096         uint8_t hash_function = rss_meta->hash_function;
1097
1098         filter_ptr = rte_zmalloc("ice_rss_filter",
1099                                 sizeof(struct ice_hash_flow_cfg), 0);
1100         if (!filter_ptr) {
1101                 rte_flow_error_set(error, EINVAL,
1102                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1103                                 "No memory for filter_ptr");
1104                 return -ENOMEM;
1105         }
1106
1107         if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
1108                 /* Enable registers for simple_xor hash function. */
1109                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1110                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1111                         (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1112                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1113
1114                 filter_ptr->simple_xor = 1;
1115
1116                 goto out;
1117         } else {
1118                 memcpy(&filter_ptr->rss_cfg.hash, &rss_meta->cfg,
1119                        sizeof(struct ice_rss_hash_cfg));
1120                 ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
1121                                            &filter_ptr->rss_cfg.hash);
1122                 if (ret) {
1123                         rte_flow_error_set(error, EINVAL,
1124                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1125                                         "rss flow create fail");
1126                         goto error;
1127                 }
1128         }
1129
1130 out:
1131         flow->rule = filter_ptr;
1132         rte_free(meta);
1133         return 0;
1134
1135 error:
1136         rte_free(filter_ptr);
1137         rte_free(meta);
1138         return -rte_errno;
1139 }
1140
1141 static int
1142 ice_hash_destroy(struct ice_adapter *ad,
1143                 struct rte_flow *flow,
1144                 struct rte_flow_error *error)
1145 {
1146         struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
1147         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1148         struct ice_vsi *vsi = pf->main_vsi;
1149         int ret;
1150         uint32_t reg;
1151         struct ice_hash_flow_cfg *filter_ptr;
1152
1153         filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
1154
1155         if (filter_ptr->simple_xor == 1) {
1156                 /* Return to symmetric_toeplitz state. */
1157                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1158                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1159                         (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1160                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1161         } else {
1162                 ret = ice_rem_rss_cfg_wrap(pf, vsi->idx,
1163                                            &filter_ptr->rss_cfg.hash);
1164                 /* Fixme: Ignore the error if a rule does not exist.
1165                  * Currently a rule for inputset change or symm turn on/off
1166                  * will overwrite an exist rule, while application still
1167                  * have 2 rte_flow handles.
1168                  **/
1169                 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
1170                         rte_flow_error_set(error, EINVAL,
1171                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1172                                         "rss flow destroy fail");
1173                         goto error;
1174                 }
1175         }
1176
1177         rte_free(filter_ptr);
1178         return 0;
1179
1180 error:
1181         rte_free(filter_ptr);
1182         return -rte_errno;
1183 }
1184
1185 static void
1186 ice_hash_uninit(struct ice_adapter *ad)
1187 {
1188         if (ad->hw.dcf_enabled)
1189                 return;
1190
1191         ice_unregister_parser(&ice_hash_parser, ad);
1192 }
1193
1194 static void
1195 ice_hash_free(struct rte_flow *flow)
1196 {
1197         rte_free(flow->rule);
1198 }