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 <rte_ethdev_driver.h>
  16 #include <rte_log.h>
  17 #include <rte_malloc.h>
  18 #include <rte_eth_ctrl.h>
  19 #include <rte_tailq.h>
  20 #include <rte_flow_driver.h>
  21
  22 #include "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 | VALID_RSS_IPV4_L4)
  51 #define VALID_RSS_IPV6          (ETH_RSS_IPV6 | VALID_RSS_IPV6_L4)
  52 #define VALID_RSS_L3            (VALID_RSS_IPV4 | VALID_RSS_IPV6)
  53 #define VALID_RSS_L4            (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
  54
  55 #define VALID_RSS_ATTR          (ETH_RSS_L3_SRC_ONLY    | \
  56                                  ETH_RSS_L3_DST_ONLY    | \
  57                                  ETH_RSS_L4_SRC_ONLY    | \
  58                                  ETH_RSS_L4_DST_ONLY    | \
  59                                  ETH_RSS_L2_SRC_ONLY    | \
  60                                  ETH_RSS_L2_DST_ONLY    | \
  61                                  RTE_ETH_RSS_L3_PRE32   | \
  62                                  RTE_ETH_RSS_L3_PRE48   | \
  63                                  RTE_ETH_RSS_L3_PRE64)
  64
  65 #define INVALID_RSS_ATTR        (RTE_ETH_RSS_L3_PRE40   | \
  66                                  RTE_ETH_RSS_L3_PRE56   | \
  67                                  RTE_ETH_RSS_L3_PRE96)
  68
  69 struct ice_rss_meta {
  70         uint8_t hash_function;
  71         struct ice_rss_hash_cfg cfg;
  72 };
  73
  74 struct ice_hash_flow_cfg {
  75         bool simple_xor;
  76         struct ice_rss_cfg rss_cfg;
  77 };
  78
  79 static int
  80 ice_hash_init(struct ice_adapter *ad);
  81
  82 static int
  83 ice_hash_create(struct ice_adapter *ad,
  84                 struct rte_flow *flow,
  85                 void *meta,
  86                 struct rte_flow_error *error);
  87
  88 static int
  89 ice_hash_destroy(struct ice_adapter *ad,
  90                 struct rte_flow *flow,
  91                 struct rte_flow_error *error);
  92
  93 static void
  94 ice_hash_uninit(struct ice_adapter *ad);
  95
  96 static void
  97 ice_hash_free(struct rte_flow *flow);
  98
  99 static int
 100 ice_hash_parse_pattern_action(struct ice_adapter *ad,
 101                         struct ice_pattern_match_item *array,
 102                         uint32_t array_len,
 103                         const struct rte_flow_item pattern[],
 104                         const struct rte_flow_action actions[],
 105                         void **meta,
 106                         struct rte_flow_error *error);
 107
 108 /* Rss configuration template */
 109 struct ice_rss_hash_cfg ipv4_tmplt = {
 110         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 111         ICE_FLOW_SEG_HDR_IPV_OTHER,
 112         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV4,
 113         ICE_RSS_ANY_HEADERS,
 114         0
 115 };
 116
 117 struct ice_rss_hash_cfg ipv4_udp_tmplt = {
 118         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 119         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 120         ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 121         ICE_RSS_ANY_HEADERS,
 122         0
 123 };
 124
 125 struct ice_rss_hash_cfg ipv4_tcp_tmplt = {
 126         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 127         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 128         ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 129         ICE_RSS_ANY_HEADERS,
 130         0
 131 };
 132
 133 struct ice_rss_hash_cfg ipv4_sctp_tmplt = {
 134         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
 135         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 136         ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV4 | ICE_IPV4_PROT,
 137         ICE_RSS_ANY_HEADERS,
 138         0
 139 };
 140
 141 struct ice_rss_hash_cfg ipv6_tmplt = {
 142         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 143         ICE_FLOW_SEG_HDR_IPV_OTHER,
 144         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
 145         ICE_RSS_ANY_HEADERS,
 146         0
 147 };
 148
 149 struct ice_rss_hash_cfg ipv6_udp_tmplt = {
 150         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 151         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 152         ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 153         ICE_RSS_ANY_HEADERS,
 154         0
 155 };
 156
 157 struct ice_rss_hash_cfg ipv6_tcp_tmplt = {
 158         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 159         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 160         ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 161         ICE_RSS_ANY_HEADERS,
 162         0
 163 };
 164
 165 struct ice_rss_hash_cfg ipv6_sctp_tmplt = {
 166         ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
 167         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 168         ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV6 | ICE_IPV6_PROT,
 169         ICE_RSS_ANY_HEADERS,
 170         0
 171 };
 172
 173 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tmplt = {
 174         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 175         ICE_FLOW_HASH_IPV4,
 176         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 177         0
 178 };
 179 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_udp_tmplt = {
 180         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 181         ICE_FLOW_SEG_HDR_UDP,
 182         ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 183         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 184         0
 185 };
 186
 187 struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tcp_tmplt = {
 188         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 189         ICE_FLOW_SEG_HDR_TCP,
 190         ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 191         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 192         0
 193 };
 194
 195 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tmplt = {
 196         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 197         ICE_FLOW_HASH_IPV4,
 198         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 199         0
 200 };
 201 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_udp_tmplt = {
 202         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 203         ICE_FLOW_SEG_HDR_UDP,
 204         ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
 205         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 206         0
 207 };
 208
 209 struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tcp_tmplt = {
 210         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 211         ICE_FLOW_SEG_HDR_TCP,
 212         ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
 213         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 214         0
 215 };
 216
 217 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tmplt = {
 218         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 219         ICE_FLOW_HASH_IPV6,
 220         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 221         0
 222 };
 223 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_udp_tmplt = {
 224         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 225         ICE_FLOW_SEG_HDR_UDP,
 226         ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 227         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 228         0
 229 };
 230
 231 struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tcp_tmplt = {
 232         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 233         ICE_FLOW_SEG_HDR_TCP,
 234         ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 235         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 236         0
 237 };
 238
 239 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tmplt = {
 240         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 241         ICE_FLOW_HASH_IPV6,
 242         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 243         0
 244 };
 245 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_udp_tmplt = {
 246         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 247         ICE_FLOW_SEG_HDR_UDP,
 248         ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
 249         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 250         0
 251 };
 252
 253 struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tcp_tmplt = {
 254         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 255         ICE_FLOW_SEG_HDR_TCP,
 256         ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
 257         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 258         0
 259 };
 260
 261 struct ice_rss_hash_cfg eth_ipv4_esp_tmplt = {
 262         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 263         ICE_FLOW_SEG_HDR_ESP,
 264         ICE_FLOW_HASH_ESP_SPI,
 265         ICE_RSS_ANY_HEADERS,
 266         0
 267 };
 268
 269 struct ice_rss_hash_cfg eth_ipv4_udp_esp_tmplt = {
 270         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 271         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 272         ICE_FLOW_HASH_NAT_T_ESP_SPI,
 273         ICE_RSS_ANY_HEADERS,
 274         0
 275 };
 276
 277 struct ice_rss_hash_cfg eth_ipv4_ah_tmplt = {
 278         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 279         ICE_FLOW_SEG_HDR_AH,
 280         ICE_FLOW_HASH_AH_SPI,
 281         ICE_RSS_ANY_HEADERS,
 282         0
 283 };
 284
 285 struct ice_rss_hash_cfg eth_ipv4_l2tpv3_tmplt = {
 286         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 287         ICE_FLOW_SEG_HDR_L2TPV3,
 288         ICE_FLOW_HASH_L2TPV3_SESS_ID,
 289         ICE_RSS_ANY_HEADERS,
 290         0
 291 };
 292
 293 struct ice_rss_hash_cfg eth_ipv4_pfcp_tmplt = {
 294         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 295         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 296         ICE_FLOW_HASH_PFCP_SEID,
 297         ICE_RSS_ANY_HEADERS,
 298         0
 299 };
 300
 301 struct ice_rss_hash_cfg eth_ipv6_esp_tmplt = {
 302         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 303         ICE_FLOW_SEG_HDR_ESP,
 304         ICE_FLOW_HASH_ESP_SPI,
 305         ICE_RSS_ANY_HEADERS,
 306         0
 307 };
 308
 309 struct ice_rss_hash_cfg eth_ipv6_udp_esp_tmplt = {
 310         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 311         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 312         ICE_FLOW_HASH_NAT_T_ESP_SPI,
 313         ICE_RSS_ANY_HEADERS,
 314         0
 315 };
 316
 317 struct ice_rss_hash_cfg eth_ipv6_ah_tmplt = {
 318         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 319         ICE_FLOW_SEG_HDR_AH,
 320         ICE_FLOW_HASH_AH_SPI,
 321         ICE_RSS_ANY_HEADERS,
 322         0
 323 };
 324
 325 struct ice_rss_hash_cfg eth_ipv6_l2tpv3_tmplt = {
 326         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 327         ICE_FLOW_SEG_HDR_L2TPV3,
 328         ICE_FLOW_HASH_L2TPV3_SESS_ID,
 329         ICE_RSS_ANY_HEADERS,
 330         0
 331 };
 332
 333 struct ice_rss_hash_cfg eth_ipv6_pfcp_tmplt = {
 334         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 335         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 336         ICE_FLOW_HASH_PFCP_SEID,
 337         ICE_RSS_ANY_HEADERS,
 338         0
 339 };
 340
 341 struct ice_rss_hash_cfg pppoe_tmplt = {
 342         ICE_FLOW_SEG_HDR_ETH,
 343         ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID,
 344         ICE_RSS_ANY_HEADERS,
 345         0
 346 };
 347
 348 struct ice_rss_hash_cfg empty_tmplt = {
 349         ICE_FLOW_SEG_HDR_NONE,
 350         0,
 351         ICE_RSS_ANY_HEADERS,
 352         0
 353 };
 354
 355 /* rss type super set */
 356 /* Empty rss type to support simple_xor. */
 357 #define ICE_RSS_TYPE_EMPTY      0ULL
 358
 359 /* IPv4 outer */
 360 #define ICE_RSS_TYPE_OUTER_IPV4         (ETH_RSS_ETH | ETH_RSS_IPV4)
 361 #define ICE_RSS_TYPE_OUTER_IPV4_UDP     (ICE_RSS_TYPE_OUTER_IPV4 | \
 362                                          ETH_RSS_NONFRAG_IPV4_UDP)
 363 #define ICE_RSS_TYPE_OUTER_IPV4_TCP     (ICE_RSS_TYPE_OUTER_IPV4 | \
 364                                          ETH_RSS_NONFRAG_IPV4_TCP)
 365 #define ICE_RSS_TYPE_OUTER_IPV4_SCTP    (ICE_RSS_TYPE_OUTER_IPV4 | \
 366                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 367 /* IPv6 outer */
 368 #define ICE_RSS_TYPE_OUTER_IPV6         (ETH_RSS_ETH | ETH_RSS_IPV6)
 369 #define ICE_RSS_TYPE_OUTER_IPV6_UDP     (ICE_RSS_TYPE_OUTER_IPV6 | \
 370                                          ETH_RSS_NONFRAG_IPV6_UDP)
 371 #define ICE_RSS_TYPE_OUTER_IPV6_TCP     (ICE_RSS_TYPE_OUTER_IPV6 | \
 372                                          ETH_RSS_NONFRAG_IPV6_TCP)
 373 #define ICE_RSS_TYPE_OUTER_IPV6_SCTP    (ICE_RSS_TYPE_OUTER_IPV6 | \
 374                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 375
 376 /* VLAN IPV4 */
 377 #define ICE_RSS_TYPE_VLAN_IPV4          (ICE_RSS_TYPE_OUTER_IPV4 | \
 378                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 379 #define ICE_RSS_TYPE_VLAN_IPV4_UDP      (ICE_RSS_TYPE_OUTER_IPV4_UDP | \
 380                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 381 #define ICE_RSS_TYPE_VLAN_IPV4_TCP      (ICE_RSS_TYPE_OUTER_IPV4_TCP | \
 382                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 383 #define ICE_RSS_TYPE_VLAN_IPV4_SCTP     (ICE_RSS_TYPE_OUTER_IPV4_SCTP | \
 384                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 385 /* VLAN IPv6 */
 386 #define ICE_RSS_TYPE_VLAN_IPV6          (ICE_RSS_TYPE_OUTER_IPV6 | \
 387                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 388 #define ICE_RSS_TYPE_VLAN_IPV6_UDP      (ICE_RSS_TYPE_OUTER_IPV6_UDP | \
 389                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 390 #define ICE_RSS_TYPE_VLAN_IPV6_TCP      (ICE_RSS_TYPE_OUTER_IPV6_TCP | \
 391                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 392 #define ICE_RSS_TYPE_VLAN_IPV6_SCTP     (ICE_RSS_TYPE_OUTER_IPV6_SCTP | \
 393                                          ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
 394
 395 /* IPv4 inner */
 396 #define ICE_RSS_TYPE_INNER_IPV4         ETH_RSS_IPV4
 397 #define ICE_RSS_TYPE_INNER_IPV4_UDP     (ETH_RSS_IPV4 | \
 398                                          ETH_RSS_NONFRAG_IPV4_UDP)
 399 #define ICE_RSS_TYPE_INNER_IPV4_TCP     (ETH_RSS_IPV4 | \
 400                                          ETH_RSS_NONFRAG_IPV4_TCP)
 401 #define ICE_RSS_TYPE_INNER_IPV4_SCTP    (ETH_RSS_IPV4 | \
 402                                          ETH_RSS_NONFRAG_IPV4_SCTP)
 403 /* IPv6 inner */
 404 #define ICE_RSS_TYPE_INNER_IPV6         ETH_RSS_IPV6
 405 #define ICE_RSS_TYPE_INNER_IPV6_UDP     (ETH_RSS_IPV6 | \
 406                                          ETH_RSS_NONFRAG_IPV6_UDP)
 407 #define ICE_RSS_TYPE_INNER_IPV6_TCP     (ETH_RSS_IPV6 | \
 408                                          ETH_RSS_NONFRAG_IPV6_TCP)
 409 #define ICE_RSS_TYPE_INNER_IPV6_SCTP    (ETH_RSS_IPV6 | \
 410                                          ETH_RSS_NONFRAG_IPV6_SCTP)
 411
 412 /* GTPU IPv4 */
 413 #define ICE_RSS_TYPE_GTPU_IPV4          (ICE_RSS_TYPE_INNER_IPV4 | \
 414                                          ETH_RSS_GTPU)
 415 #define ICE_RSS_TYPE_GTPU_IPV4_UDP      (ICE_RSS_TYPE_INNER_IPV4_UDP | \
 416                                          ETH_RSS_GTPU)
 417 #define ICE_RSS_TYPE_GTPU_IPV4_TCP      (ICE_RSS_TYPE_INNER_IPV4_TCP | \
 418                                          ETH_RSS_GTPU)
 419 /* GTPU IPv6 */
 420 #define ICE_RSS_TYPE_GTPU_IPV6          (ICE_RSS_TYPE_INNER_IPV6 | \
 421                                          ETH_RSS_GTPU)
 422 #define ICE_RSS_TYPE_GTPU_IPV6_UDP      (ICE_RSS_TYPE_INNER_IPV6_UDP | \
 423                                          ETH_RSS_GTPU)
 424 #define ICE_RSS_TYPE_GTPU_IPV6_TCP      (ICE_RSS_TYPE_INNER_IPV6_TCP | \
 425                                          ETH_RSS_GTPU)
 426
 427 /* PPPOE IPv4 */
 428 #define ICE_RSS_TYPE_PPPOE_IPV4         (ICE_RSS_TYPE_INNER_IPV4 | \
 429                                          ETH_RSS_PPPOE)
 430 #define ICE_RSS_TYPE_PPPOE_IPV4_UDP     (ICE_RSS_TYPE_INNER_IPV4_UDP | \
 431                                          ETH_RSS_PPPOE)
 432 #define ICE_RSS_TYPE_PPPOE_IPV4_TCP     (ICE_RSS_TYPE_INNER_IPV4_TCP | \
 433                                          ETH_RSS_PPPOE)
 434
 435 /* PPPOE IPv6 */
 436 #define ICE_RSS_TYPE_PPPOE_IPV6         (ICE_RSS_TYPE_INNER_IPV6 | \
 437                                          ETH_RSS_PPPOE)
 438 #define ICE_RSS_TYPE_PPPOE_IPV6_UDP     (ICE_RSS_TYPE_INNER_IPV6_UDP | \
 439                                          ETH_RSS_PPPOE)
 440 #define ICE_RSS_TYPE_PPPOE_IPV6_TCP     (ICE_RSS_TYPE_INNER_IPV6_TCP | \
 441                                          ETH_RSS_PPPOE)
 442
 443 /* PPPOE*/
 444 #define ICE_RSS_TYPE_PPPOE              (ETH_RSS_ETH | ETH_RSS_PPPOE)
 445
 446 /* ESP, AH, L2TPV3 and PFCP */
 447 #define ICE_RSS_TYPE_IPV4_ESP           (ETH_RSS_ESP | ETH_RSS_IPV4)
 448 #define ICE_RSS_TYPE_IPV6_ESP           (ETH_RSS_ESP | ETH_RSS_IPV6)
 449 #define ICE_RSS_TYPE_IPV4_AH            (ETH_RSS_AH | ETH_RSS_IPV4)
 450 #define ICE_RSS_TYPE_IPV6_AH            (ETH_RSS_AH | ETH_RSS_IPV6)
 451 #define ICE_RSS_TYPE_IPV4_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
 452 #define ICE_RSS_TYPE_IPV6_L2TPV3        (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
 453 #define ICE_RSS_TYPE_IPV4_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV4)
 454 #define ICE_RSS_TYPE_IPV6_PFCP          (ETH_RSS_PFCP | ETH_RSS_IPV6)
 455
 456 /**
 457  * Supported pattern for hash.
 458  * The first member is pattern item type,
 459  * the second member is input set mask,
 460  * the third member is ice_rss_hash_cfg template.
 461  */
 462 static struct ice_pattern_match_item ice_hash_pattern_list[] = {
 463         /* IPV4 */
 464         {pattern_eth_ipv4,                      ICE_RSS_TYPE_OUTER_IPV4,        &ipv4_tmplt},
 465         {pattern_eth_ipv4_udp,                  ICE_RSS_TYPE_OUTER_IPV4_UDP,    &ipv4_udp_tmplt},
 466         {pattern_eth_ipv4_tcp,                  ICE_RSS_TYPE_OUTER_IPV4_TCP,    &ipv4_tcp_tmplt},
 467         {pattern_eth_ipv4_sctp,                 ICE_RSS_TYPE_OUTER_IPV4_SCTP,   &ipv4_sctp_tmplt},
 468         {pattern_eth_vlan_ipv4,                 ICE_RSS_TYPE_VLAN_IPV4,         &ipv4_tmplt},
 469         {pattern_eth_vlan_ipv4_udp,             ICE_RSS_TYPE_VLAN_IPV4_UDP,     &ipv4_udp_tmplt},
 470         {pattern_eth_vlan_ipv4_tcp,             ICE_RSS_TYPE_VLAN_IPV4_TCP,     &ipv4_tcp_tmplt},
 471         {pattern_eth_vlan_ipv4_sctp,            ICE_RSS_TYPE_VLAN_IPV4_SCTP,    &ipv4_sctp_tmplt},
 472         {pattern_eth_ipv4_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         &outer_ipv4_inner_ipv4_tmplt},
 473         {pattern_eth_ipv4_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     &outer_ipv4_inner_ipv4_udp_tmplt},
 474         {pattern_eth_ipv4_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     &outer_ipv4_inner_ipv4_tcp_tmplt},
 475         {pattern_eth_ipv6_gtpu_ipv4,            ICE_RSS_TYPE_GTPU_IPV4,         &outer_ipv6_inner_ipv4_tmplt},
 476         {pattern_eth_ipv6_gtpu_ipv4_udp,        ICE_RSS_TYPE_GTPU_IPV4_UDP,     &outer_ipv6_inner_ipv4_udp_tmplt},
 477         {pattern_eth_ipv6_gtpu_ipv4_tcp,        ICE_RSS_TYPE_GTPU_IPV4_TCP,     &outer_ipv6_inner_ipv4_tcp_tmplt},
 478         {pattern_eth_ipv4_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         &outer_ipv4_inner_ipv4_tmplt},
 479         {pattern_eth_ipv4_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     &outer_ipv4_inner_ipv4_udp_tmplt},
 480         {pattern_eth_ipv4_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     &outer_ipv4_inner_ipv4_tcp_tmplt},
 481         {pattern_eth_ipv6_gtpu_eh_ipv4,         ICE_RSS_TYPE_GTPU_IPV4,         &outer_ipv6_inner_ipv4_tmplt},
 482         {pattern_eth_ipv6_gtpu_eh_ipv4_udp,     ICE_RSS_TYPE_GTPU_IPV4_UDP,     &outer_ipv6_inner_ipv4_udp_tmplt},
 483         {pattern_eth_ipv6_gtpu_eh_ipv4_tcp,     ICE_RSS_TYPE_GTPU_IPV4_TCP,     &outer_ipv6_inner_ipv4_tcp_tmplt},
 484         {pattern_eth_pppoes_ipv4,               ICE_RSS_TYPE_PPPOE_IPV4,        &ipv4_tmplt},
 485         {pattern_eth_pppoes_ipv4_udp,           ICE_RSS_TYPE_PPPOE_IPV4_UDP,    &ipv4_udp_tmplt},
 486         {pattern_eth_pppoes_ipv4_tcp,           ICE_RSS_TYPE_PPPOE_IPV4_TCP,    &ipv4_tcp_tmplt},
 487         {pattern_eth_ipv4_esp,                  ICE_RSS_TYPE_IPV4_ESP,          &eth_ipv4_esp_tmplt},
 488         {pattern_eth_ipv4_udp_esp,              ICE_RSS_TYPE_IPV4_ESP,          &eth_ipv4_udp_esp_tmplt},
 489         {pattern_eth_ipv4_ah,                   ICE_RSS_TYPE_IPV4_AH,           &eth_ipv4_ah_tmplt},
 490         {pattern_eth_ipv4_l2tp,                 ICE_RSS_TYPE_IPV4_L2TPV3,       &eth_ipv4_l2tpv3_tmplt},
 491         {pattern_eth_ipv4_pfcp,                 ICE_RSS_TYPE_IPV4_PFCP,         &eth_ipv4_pfcp_tmplt},
 492         /* IPV6 */
 493         {pattern_eth_ipv6,                      ICE_RSS_TYPE_OUTER_IPV6,        &ipv6_tmplt},
 494         {pattern_eth_ipv6_udp,                  ICE_RSS_TYPE_OUTER_IPV6_UDP,    &ipv6_udp_tmplt},
 495         {pattern_eth_ipv6_tcp,                  ICE_RSS_TYPE_OUTER_IPV6_TCP,    &ipv6_tcp_tmplt},
 496         {pattern_eth_ipv6_sctp,                 ICE_RSS_TYPE_OUTER_IPV6_SCTP,   &ipv6_sctp_tmplt},
 497         {pattern_eth_vlan_ipv6,                 ICE_RSS_TYPE_VLAN_IPV6,         &ipv6_tmplt},
 498         {pattern_eth_vlan_ipv6_udp,             ICE_RSS_TYPE_VLAN_IPV6_UDP,     &ipv6_udp_tmplt},
 499         {pattern_eth_vlan_ipv6_tcp,             ICE_RSS_TYPE_VLAN_IPV6_TCP,     &ipv6_tcp_tmplt},
 500         {pattern_eth_vlan_ipv6_sctp,            ICE_RSS_TYPE_VLAN_IPV6_SCTP,    &ipv6_sctp_tmplt},
 501         {pattern_eth_ipv4_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         &outer_ipv4_inner_ipv6_tmplt},
 502         {pattern_eth_ipv4_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     &outer_ipv4_inner_ipv6_udp_tmplt},
 503         {pattern_eth_ipv4_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     &outer_ipv4_inner_ipv6_tcp_tmplt},
 504         {pattern_eth_ipv6_gtpu_ipv6,            ICE_RSS_TYPE_GTPU_IPV6,         &outer_ipv6_inner_ipv6_tmplt},
 505         {pattern_eth_ipv6_gtpu_ipv6_udp,        ICE_RSS_TYPE_GTPU_IPV6_UDP,     &outer_ipv6_inner_ipv6_udp_tmplt},
 506         {pattern_eth_ipv6_gtpu_ipv6_tcp,        ICE_RSS_TYPE_GTPU_IPV6_TCP,     &outer_ipv6_inner_ipv6_tcp_tmplt},
 507         {pattern_eth_ipv4_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         &outer_ipv4_inner_ipv6_tmplt},
 508         {pattern_eth_ipv4_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     &outer_ipv4_inner_ipv6_udp_tmplt},
 509         {pattern_eth_ipv4_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     &outer_ipv4_inner_ipv6_tcp_tmplt},
 510         {pattern_eth_ipv6_gtpu_eh_ipv6,         ICE_RSS_TYPE_GTPU_IPV6,         &outer_ipv6_inner_ipv6_tmplt},
 511         {pattern_eth_ipv6_gtpu_eh_ipv6_udp,     ICE_RSS_TYPE_GTPU_IPV6_UDP,     &outer_ipv6_inner_ipv6_udp_tmplt},
 512         {pattern_eth_ipv6_gtpu_eh_ipv6_tcp,     ICE_RSS_TYPE_GTPU_IPV6_TCP,     &outer_ipv6_inner_ipv6_tcp_tmplt},
 513         {pattern_eth_pppoes_ipv6,               ICE_RSS_TYPE_PPPOE_IPV6,        &ipv6_tmplt},
 514         {pattern_eth_pppoes_ipv6_udp,           ICE_RSS_TYPE_PPPOE_IPV6_UDP,    &ipv6_udp_tmplt},
 515         {pattern_eth_pppoes_ipv6_tcp,           ICE_RSS_TYPE_PPPOE_IPV6_TCP,    &ipv6_tcp_tmplt},
 516         {pattern_eth_ipv6_esp,                  ICE_RSS_TYPE_IPV6_ESP,          &eth_ipv6_esp_tmplt},
 517         {pattern_eth_ipv6_udp_esp,              ICE_RSS_TYPE_IPV6_ESP,          &eth_ipv6_udp_esp_tmplt},
 518         {pattern_eth_ipv6_ah,                   ICE_RSS_TYPE_IPV6_AH,           &eth_ipv6_ah_tmplt},
 519         {pattern_eth_ipv6_l2tp,                 ICE_RSS_TYPE_IPV6_L2TPV3,       &eth_ipv6_l2tpv3_tmplt},
 520         {pattern_eth_ipv6_pfcp,                 ICE_RSS_TYPE_IPV6_PFCP,         &eth_ipv6_pfcp_tmplt},
 521         /* PPPOE */
 522         {pattern_eth_pppoes,                    ICE_RSS_TYPE_PPPOE,             &pppoe_tmplt},
 523         /* EMPTY */
 524         {pattern_empty,                         ICE_RSS_TYPE_EMPTY,             &empty_tmplt},
 525 };
 526
 527 static struct ice_flow_engine ice_hash_engine = {
 528         .init = ice_hash_init,
 529         .create = ice_hash_create,
 530         .destroy = ice_hash_destroy,
 531         .uninit = ice_hash_uninit,
 532         .free = ice_hash_free,
 533         .type = ICE_FLOW_ENGINE_HASH,
 534 };
 535
 536 /* Register parser for os package. */
 537 static struct ice_flow_parser ice_hash_parser = {
 538         .engine = &ice_hash_engine,
 539         .array = ice_hash_pattern_list,
 540         .array_len = RTE_DIM(ice_hash_pattern_list),
 541         .parse_pattern_action = ice_hash_parse_pattern_action,
 542         .stage = ICE_FLOW_STAGE_RSS,
 543 };
 544
 545 RTE_INIT(ice_hash_engine_init)
 546 {
 547         struct ice_flow_engine *engine = &ice_hash_engine;
 548         ice_register_flow_engine(engine);
 549 }
 550
 551 static int
 552 ice_hash_init(struct ice_adapter *ad)
 553 {
 554         struct ice_flow_parser *parser = NULL;
 555
 556         if (ad->hw.dcf_enabled)
 557                 return 0;
 558
 559         parser = &ice_hash_parser;
 560
 561         return ice_register_parser(parser, ad);
 562 }
 563
 564 static int
 565 ice_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 566                        struct rte_flow_error *error)
 567 {
 568         const struct rte_flow_item *item = pattern;
 569         const struct rte_flow_item_gtp_psc *psc;
 570
 571         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 572                 if (item->last) {
 573                         rte_flow_error_set(error, EINVAL,
 574                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 575                                         "Not support range");
 576                         return -rte_errno;
 577                 }
 578
 579                 switch (item->type) {
 580                 case RTE_FLOW_ITEM_TYPE_VLAN:
 581                         *phint |= ICE_PHINT_VLAN;
 582                         break;
 583                 case RTE_FLOW_ITEM_TYPE_PPPOES:
 584                         *phint |= ICE_PHINT_PPPOE;
 585                         break;
 586                 case RTE_FLOW_ITEM_TYPE_GTPU:
 587                         *phint |= ICE_PHINT_GTPU;
 588                         break;
 589                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 590                         *phint |= ICE_PHINT_GTPU_EH;
 591                         psc = item->spec;
 592                         if (!psc)
 593                                 break;
 594                         else if (psc->pdu_type == ICE_GTPU_EH_UPLINK)
 595                                 *phint |= ICE_PHINT_GTPU_EH_UP;
 596                         else if (psc->pdu_type == ICE_GTPU_EH_DWNLINK)
 597                                 *phint |= ICE_PHINT_GTPU_EH_DWN;
 598                         break;
 599                 default:
 600                         break;
 601                 }
 602         }
 603
 604         return 0;
 605 }
 606
 607 static void
 608 ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg *hash_cfg,
 609                          uint64_t rss_type)
 610 {
 611         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 612         uint64_t *hash_flds = &hash_cfg->hash_flds;
 613
 614         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH) {
 615                 if (!(rss_type & ETH_RSS_ETH))
 616                         *hash_flds &= ~ICE_FLOW_HASH_ETH;
 617                 if (rss_type & ETH_RSS_L2_SRC_ONLY)
 618                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA));
 619                 else if (rss_type & ETH_RSS_L2_DST_ONLY)
 620                         *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA));
 621                 *addl_hdrs &= ~ICE_FLOW_SEG_HDR_ETH;
 622         }
 623
 624         if (*addl_hdrs & ICE_FLOW_SEG_HDR_VLAN) {
 625                 if (rss_type & ETH_RSS_C_VLAN)
 626                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN);
 627                 else if (rss_type & ETH_RSS_S_VLAN)
 628                         *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN);
 629         }
 630
 631         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
 632                 if (!(rss_type & ETH_RSS_PPPOE))
 633                         *hash_flds &= ~ICE_FLOW_HASH_PPPOE_SESS_ID;
 634         }
 635
 636         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV4) {
 637                 if (rss_type &
 638                    (ETH_RSS_IPV4 |
 639                     ETH_RSS_NONFRAG_IPV4_UDP |
 640                     ETH_RSS_NONFRAG_IPV4_TCP |
 641                     ETH_RSS_NONFRAG_IPV4_SCTP)) {
 642                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 643                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA));
 644                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 645                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA));
 646                         else if (rss_type &
 647                                 (ETH_RSS_L4_SRC_ONLY |
 648                                 ETH_RSS_L4_DST_ONLY))
 649                                 *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 650                 } else {
 651                         *hash_flds &= ~ICE_FLOW_HASH_IPV4;
 652                 }
 653         }
 654
 655         if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
 656                 if (rss_type &
 657                    (ETH_RSS_IPV6 |
 658                     ETH_RSS_NONFRAG_IPV6_UDP |
 659                     ETH_RSS_NONFRAG_IPV6_TCP |
 660                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 661                         if (rss_type & ETH_RSS_L3_SRC_ONLY)
 662                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 663                         else if (rss_type & ETH_RSS_L3_DST_ONLY)
 664                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 665                         else if (rss_type &
 666                                 (ETH_RSS_L4_SRC_ONLY |
 667                                 ETH_RSS_L4_DST_ONLY))
 668                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 669                 } else {
 670                         *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 671                 }
 672
 673                 if (rss_type & RTE_ETH_RSS_L3_PRE32) {
 674                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 675                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 676                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA));
 677                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 678                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 679                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA));
 680                         } else {
 681                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 682                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE32;
 683                         }
 684                 }
 685                 if (rss_type & RTE_ETH_RSS_L3_PRE48) {
 686                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 687                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 688                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA));
 689                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 690                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 691                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA));
 692                         } else {
 693                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 694                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE48;
 695                         }
 696                 }
 697                 if (rss_type & RTE_ETH_RSS_L3_PRE64) {
 698                         if (rss_type & ETH_RSS_L3_SRC_ONLY) {
 699                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
 700                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA));
 701                         } else if (rss_type & ETH_RSS_L3_DST_ONLY) {
 702                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
 703                                 *hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA));
 704                         } else {
 705                                 *hash_flds &= ~ICE_FLOW_HASH_IPV6;
 706                                 *hash_flds |= ICE_FLOW_HASH_IPV6_PRE64;
 707                         }
 708                 }
 709         }
 710
 711         if (*addl_hdrs & ICE_FLOW_SEG_HDR_UDP) {
 712                 if (rss_type &
 713                    (ETH_RSS_NONFRAG_IPV4_UDP |
 714                     ETH_RSS_NONFRAG_IPV6_UDP)) {
 715                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 716                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT));
 717                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 718                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT));
 719                         else if (rss_type &
 720                                 (ETH_RSS_L3_SRC_ONLY |
 721                                   ETH_RSS_L3_DST_ONLY))
 722                                 *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
 723                 } else {
 724                         *hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
 725                 }
 726         }
 727
 728         if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
 729                 if (rss_type &
 730                    (ETH_RSS_NONFRAG_IPV4_TCP |
 731                     ETH_RSS_NONFRAG_IPV6_TCP)) {
 732                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 733                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT));
 734                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 735                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT));
 736                         else if (rss_type &
 737                                 (ETH_RSS_L3_SRC_ONLY |
 738                                   ETH_RSS_L3_DST_ONLY))
 739                                 *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
 740                 } else {
 741                         *hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
 742                 }
 743         }
 744
 745         if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
 746                 if (rss_type &
 747                    (ETH_RSS_NONFRAG_IPV4_SCTP |
 748                     ETH_RSS_NONFRAG_IPV6_SCTP)) {
 749                         if (rss_type & ETH_RSS_L4_SRC_ONLY)
 750                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT));
 751                         else if (rss_type & ETH_RSS_L4_DST_ONLY)
 752                                 *hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT));
 753                         else if (rss_type &
 754                                 (ETH_RSS_L3_SRC_ONLY |
 755                                   ETH_RSS_L3_DST_ONLY))
 756                                 *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 757                 } else {
 758                         *hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
 759                 }
 760         }
 761
 762         if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
 763                 if (!(rss_type & ETH_RSS_L2TPV3))
 764                         *hash_flds &= ~ICE_FLOW_HASH_L2TPV3_SESS_ID;
 765         }
 766
 767         if (*addl_hdrs & ICE_FLOW_SEG_HDR_ESP) {
 768                 if (!(rss_type & ETH_RSS_ESP))
 769                         *hash_flds &= ~ICE_FLOW_HASH_ESP_SPI;
 770         }
 771
 772         if (*addl_hdrs & ICE_FLOW_SEG_HDR_AH) {
 773                 if (!(rss_type & ETH_RSS_AH))
 774                         *hash_flds &= ~ICE_FLOW_HASH_AH_SPI;
 775         }
 776
 777         if (*addl_hdrs & ICE_FLOW_SEG_HDR_PFCP_SESSION) {
 778                 if (!(rss_type & ETH_RSS_PFCP))
 779                         *hash_flds &= ~ICE_FLOW_HASH_PFCP_SEID;
 780         }
 781 }
 782
 783 static void
 784 ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg *hash_cfg,
 785                                  uint64_t phint)
 786 {
 787         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 788         if (phint & ICE_PHINT_VLAN)
 789                 *addl_hdrs |= ICE_FLOW_SEG_HDR_VLAN;
 790
 791         if (phint & ICE_PHINT_PPPOE)
 792                 *addl_hdrs |= ICE_FLOW_SEG_HDR_PPPOE;
 793
 794         if (phint & ICE_PHINT_GTPU_EH_DWN)
 795                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
 796         else if (phint & ICE_PHINT_GTPU_EH_UP)
 797                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
 798         else if (phint & ICE_PHINT_GTPU_EH)
 799                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
 800         else if (phint & ICE_PHINT_GTPU)
 801                 *addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
 802 }
 803
 804 static void
 805 ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg *hash_cfg,
 806                          uint64_t rss_type)
 807 {
 808         uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
 809         uint64_t *hash_flds = &hash_cfg->hash_flds;
 810
 811         /* update hash field for gtpu eh/gtpu dwn/gtpu up. */
 812         if (!(rss_type & ETH_RSS_GTPU))
 813                 return;
 814
 815         if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN)
 816                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
 817         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_UP)
 818                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
 819         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_EH)
 820                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
 821         else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_IP)
 822                 *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
 823 }
 824
 825 static void ice_refine_hash_cfg(struct ice_rss_hash_cfg *hash_cfg,
 826                                 uint64_t rss_type, uint64_t phint)
 827 {
 828         ice_refine_proto_hdrs_by_pattern(hash_cfg, phint);
 829         ice_refine_hash_cfg_l234(hash_cfg, rss_type);
 830         ice_refine_hash_cfg_gtpu(hash_cfg, rss_type);
 831 }
 832
 833 static uint64_t invalid_rss_comb[] = {
 834         ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
 835         ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
 836         RTE_ETH_RSS_L3_PRE40 |
 837         RTE_ETH_RSS_L3_PRE56 |
 838         RTE_ETH_RSS_L3_PRE96
 839 };
 840
 841 struct rss_attr_type {
 842         uint64_t attr;
 843         uint64_t type;
 844 };
 845
 846 static struct rss_attr_type rss_attr_to_valid_type[] = {
 847         {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY,     ETH_RSS_ETH},
 848         {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY,     VALID_RSS_L3},
 849         {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY,     VALID_RSS_L4},
 850         /* current ipv6 prefix only supports prefix 64 bits*/
 851         {RTE_ETH_RSS_L3_PRE32,                          VALID_RSS_IPV6},
 852         {RTE_ETH_RSS_L3_PRE48,                          VALID_RSS_IPV6},
 853         {RTE_ETH_RSS_L3_PRE64,                          VALID_RSS_IPV6},
 854         {INVALID_RSS_ATTR,                              0}
 855 };
 856
 857 static bool
 858 ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
 859                          uint64_t rss_type, uint64_t allow_rss_type)
 860 {
 861         uint32_t i;
 862
 863         /**
 864          * Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
 865          * hash function.
 866          */
 867         if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 868                 if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
 869                     ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
 870                         return true;
 871         }
 872
 873         /* check invalid combination */
 874         for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
 875                 if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
 876                         return true;
 877         }
 878
 879         /* check invalid RSS attribute */
 880         for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
 881                 struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
 882
 883                 if (rat->attr & rss_type && !(rat->type & rss_type))
 884                         return true;
 885         }
 886
 887         /* check not allowed RSS type */
 888         rss_type &= ~VALID_RSS_ATTR;
 889
 890         return ((rss_type & allow_rss_type) != rss_type);
 891 }
 892
 893 static int
 894 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 895                 const struct rte_flow_action actions[],
 896                 uint64_t pattern_hint, void **meta,
 897                 struct rte_flow_error *error)
 898 {
 899         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)*meta;
 900         struct ice_rss_hash_cfg *cfg = pattern_match_item->meta;
 901         enum rte_flow_action_type action_type;
 902         const struct rte_flow_action_rss *rss;
 903         const struct rte_flow_action *action;
 904         uint64_t rss_type;
 905
 906         /* Supported action is RSS. */
 907         for (action = actions; action->type !=
 908                 RTE_FLOW_ACTION_TYPE_END; action++) {
 909                 action_type = action->type;
 910                 switch (action_type) {
 911                 case RTE_FLOW_ACTION_TYPE_RSS:
 912                         rss = action->conf;
 913                         rss_type = rss->types;
 914
 915                         /* Check hash function and save it to rss_meta. */
 916                         if (pattern_match_item->pattern_list !=
 917                             pattern_empty && rss->func ==
 918                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
 919                                 return rte_flow_error_set(error, ENOTSUP,
 920                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 921                                         "Not supported flow");
 922                         } else if (rss->func ==
 923                                    RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
 924                                 rss_meta->hash_function =
 925                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
 926                                 return 0;
 927                         } else if (rss->func ==
 928                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 929                                 rss_meta->hash_function =
 930                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
 931                                 cfg->symm = true;
 932                         }
 933
 934                         if (rss->level)
 935                                 return rte_flow_error_set(error, ENOTSUP,
 936                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 937                                         "a nonzero RSS encapsulation level is not supported");
 938
 939                         if (rss->key_len)
 940                                 return rte_flow_error_set(error, ENOTSUP,
 941                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 942                                         "a nonzero RSS key_len is not supported");
 943
 944                         if (rss->queue)
 945                                 return rte_flow_error_set(error, ENOTSUP,
 946                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 947                                         "a non-NULL RSS queue is not supported");
 948
 949                         /**
 950                          * Check simultaneous use of SRC_ONLY and DST_ONLY
 951                          * of the same level.
 952                          */
 953                         rss_type = rte_eth_rss_hf_refine(rss_type);
 954
 955                         if (ice_any_invalid_rss_type(rss->func, rss_type,
 956                                         pattern_match_item->input_set_mask))
 957                                 return rte_flow_error_set(error, ENOTSUP,
 958                                         RTE_FLOW_ERROR_TYPE_ACTION,
 959                                         action, "RSS type not supported");
 960
 961                         rss_meta->cfg = *cfg;
 962                         ice_refine_hash_cfg(&rss_meta->cfg,
 963                                             rss_type, pattern_hint);
 964                         break;
 965                 case RTE_FLOW_ACTION_TYPE_END:
 966                         break;
 967
 968                 default:
 969                         rte_flow_error_set(error, EINVAL,
 970                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 971                                         "Invalid action.");
 972                         return -rte_errno;
 973                 }
 974         }
 975
 976         return 0;
 977 }
 978
 979 static int
 980 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
 981                         struct ice_pattern_match_item *array,
 982                         uint32_t array_len,
 983                         const struct rte_flow_item pattern[],
 984                         const struct rte_flow_action actions[],
 985                         void **meta,
 986                         struct rte_flow_error *error)
 987 {
 988         int ret = 0;
 989         struct ice_pattern_match_item *pattern_match_item;
 990         struct ice_rss_meta *rss_meta_ptr;
 991         uint64_t phint = ICE_PHINT_NONE;
 992
 993         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
 994         if (!rss_meta_ptr) {
 995                 rte_flow_error_set(error, EINVAL,
 996                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 997                                 "No memory for rss_meta_ptr");
 998                 return -ENOMEM;
 999         }
1000
1001         /* Check rss supported pattern and find matched pattern. */
1002         pattern_match_item = ice_search_pattern_match_item(ad, pattern, array,
1003                                                            array_len, error);
1004         if (!pattern_match_item) {
1005                 ret = -rte_errno;
1006                 goto error;
1007         }
1008
1009         ret = ice_hash_parse_pattern(pattern, &phint, error);
1010         if (ret)
1011                 goto error;
1012
1013         /* Check rss action. */
1014         ret = ice_hash_parse_action(pattern_match_item, actions, phint,
1015                                     (void **)&rss_meta_ptr, error);
1016
1017 error:
1018         if (!ret && meta)
1019                 *meta = rss_meta_ptr;
1020         else
1021                 rte_free(rss_meta_ptr);
1022         rte_free(pattern_match_item);
1023
1024         return ret;
1025 }
1026
1027 static int
1028 ice_hash_create(struct ice_adapter *ad,
1029                 struct rte_flow *flow,
1030                 void *meta,
1031                 struct rte_flow_error *error)
1032 {
1033         struct ice_pf *pf = &ad->pf;
1034         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1035         struct ice_vsi *vsi = pf->main_vsi;
1036         int ret;
1037         uint32_t reg;
1038         struct ice_hash_flow_cfg *filter_ptr;
1039         struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)meta;
1040         uint8_t hash_function = rss_meta->hash_function;
1041
1042         filter_ptr = rte_zmalloc("ice_rss_filter",
1043                                 sizeof(struct ice_hash_flow_cfg), 0);
1044         if (!filter_ptr) {
1045                 rte_flow_error_set(error, EINVAL,
1046                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1047                                 "No memory for filter_ptr");
1048                 return -ENOMEM;
1049         }
1050
1051         if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
1052                 /* Enable registers for simple_xor hash function. */
1053                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1054                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1055                         (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1056                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1057
1058                 filter_ptr->simple_xor = 1;
1059
1060                 goto out;
1061         } else {
1062                 memcpy(&filter_ptr->rss_cfg.hash, &rss_meta->cfg,
1063                        sizeof(struct ice_rss_hash_cfg));
1064                 ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
1065                                            &filter_ptr->rss_cfg.hash);
1066                 if (ret) {
1067                         rte_flow_error_set(error, EINVAL,
1068                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1069                                         "rss flow create fail");
1070                         goto error;
1071                 }
1072         }
1073
1074 out:
1075         flow->rule = filter_ptr;
1076         rte_free(meta);
1077         return 0;
1078
1079 error:
1080         rte_free(filter_ptr);
1081         rte_free(meta);
1082         return -rte_errno;
1083 }
1084
1085 static int
1086 ice_hash_destroy(struct ice_adapter *ad,
1087                 struct rte_flow *flow,
1088                 struct rte_flow_error *error)
1089 {
1090         struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
1091         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1092         struct ice_vsi *vsi = pf->main_vsi;
1093         int ret;
1094         uint32_t reg;
1095         struct ice_hash_flow_cfg *filter_ptr;
1096
1097         filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
1098
1099         if (filter_ptr->simple_xor == 1) {
1100                 /* Return to symmetric_toeplitz state. */
1101                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
1102                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
1103                         (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
1104                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
1105         } else {
1106                 ret = ice_rem_rss_cfg_wrap(pf, vsi->idx,
1107                                            &filter_ptr->rss_cfg.hash);
1108                 /* Fixme: Ignore the error if a rule does not exist.
1109                  * Currently a rule for inputset change or symm turn on/off
1110                  * will overwrite an exist rule, while application still
1111                  * have 2 rte_flow handles.
1112                  **/
1113                 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
1114                         rte_flow_error_set(error, EINVAL,
1115                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1116                                         "rss flow destroy fail");
1117                         goto error;
1118                 }
1119         }
1120
1121         rte_free(filter_ptr);
1122         return 0;
1123
1124 error:
1125         rte_free(filter_ptr);
1126         return -rte_errno;
1127 }
1128
1129 static void
1130 ice_hash_uninit(struct ice_adapter *ad)
1131 {
1132         if (ad->hw.dcf_enabled)
1133                 return;
1134
1135         ice_unregister_parser(&ice_hash_parser, ad);
1136 }
1137
1138 static void
1139 ice_hash_free(struct rte_flow *flow)
1140 {
1141         rte_free(flow->rule);
1142 }