drivers/net/iavf/iavf_fdir.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12
  13 #include <rte_ether.h>
  14 #include <rte_ethdev_driver.h>
  15 #include <rte_malloc.h>
  16 #include <rte_tailq.h>
  17
  18 #include "iavf.h"
  19 #include "iavf_generic_flow.h"
  20 #include "virtchnl.h"
  21 #include "iavf_rxtx.h"
  22
  23 #define IAVF_FDIR_MAX_QREGION_SIZE 128
  24
  25 #define IAVF_FDIR_IPV6_TC_OFFSET 20
  26 #define IAVF_IPV6_TC_MASK  (0xFF << IAVF_FDIR_IPV6_TC_OFFSET)
  27
  28 #define IAVF_FDIR_INSET_ETH (\
  29         IAVF_INSET_ETHERTYPE)
  30
  31 #define IAVF_FDIR_INSET_ETH_IPV4 (\
  32         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  33         IAVF_INSET_IPV4_PROTO | IAVF_INSET_IPV4_TOS | \
  34         IAVF_INSET_IPV4_TTL)
  35
  36 #define IAVF_FDIR_INSET_ETH_IPV4_UDP (\
  37         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  38         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
  39         IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
  40
  41 #define IAVF_FDIR_INSET_ETH_IPV4_TCP (\
  42         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  43         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
  44         IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
  45
  46 #define IAVF_FDIR_INSET_ETH_IPV4_SCTP (\
  47         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  48         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
  49         IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
  50
  51 #define IAVF_FDIR_INSET_ETH_IPV6 (\
  52         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  53         IAVF_INSET_IPV6_NEXT_HDR | IAVF_INSET_IPV6_TC | \
  54         IAVF_INSET_IPV6_HOP_LIMIT)
  55
  56 #define IAVF_FDIR_INSET_ETH_IPV6_UDP (\
  57         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  58         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
  59         IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
  60
  61 #define IAVF_FDIR_INSET_ETH_IPV6_TCP (\
  62         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  63         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
  64         IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
  65
  66 #define IAVF_FDIR_INSET_ETH_IPV6_SCTP (\
  67         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  68         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
  69         IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
  70
  71 #define IAVF_FDIR_INSET_IPV4_GTPU (\
  72         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  73         IAVF_INSET_GTPU_TEID)
  74
  75 #define IAVF_FDIR_INSET_IPV4_GTPU_EH (\
  76         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  77         IAVF_INSET_GTPU_TEID | IAVF_INSET_GTPU_QFI)
  78
  79 #define IAVF_FDIR_INSET_IPV6_GTPU (\
  80         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  81         IAVF_INSET_GTPU_TEID)
  82
  83 #define IAVF_FDIR_INSET_IPV6_GTPU_EH (\
  84         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
  85         IAVF_INSET_GTPU_TEID | IAVF_INSET_GTPU_QFI)
  86
  87 #define IAVF_FDIR_INSET_L2TPV3OIP (\
  88         IAVF_L2TPV3OIP_SESSION_ID)
  89
  90 #define IAVF_FDIR_INSET_ESP (\
  91         IAVF_INSET_ESP_SPI)
  92
  93 #define IAVF_FDIR_INSET_AH (\
  94         IAVF_INSET_AH_SPI)
  95
  96 #define IAVF_FDIR_INSET_IPV4_NATT_ESP (\
  97         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
  98         IAVF_INSET_ESP_SPI)
  99
 100 #define IAVF_FDIR_INSET_IPV6_NATT_ESP (\
 101         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
 102         IAVF_INSET_ESP_SPI)
 103
 104 #define IAVF_FDIR_INSET_PFCP (\
 105         IAVF_INSET_PFCP_S_FIELD)
 106
 107 static struct iavf_pattern_match_item iavf_fdir_pattern[] = {
 108         {iavf_pattern_ethertype,                IAVF_FDIR_INSET_ETH,                    IAVF_INSET_NONE},
 109         {iavf_pattern_eth_ipv4,                 IAVF_FDIR_INSET_ETH_IPV4,               IAVF_INSET_NONE},
 110         {iavf_pattern_eth_ipv4_udp,             IAVF_FDIR_INSET_ETH_IPV4_UDP,           IAVF_INSET_NONE},
 111         {iavf_pattern_eth_ipv4_tcp,             IAVF_FDIR_INSET_ETH_IPV4_TCP,           IAVF_INSET_NONE},
 112         {iavf_pattern_eth_ipv4_sctp,            IAVF_FDIR_INSET_ETH_IPV4_SCTP,          IAVF_INSET_NONE},
 113         {iavf_pattern_eth_ipv6,                 IAVF_FDIR_INSET_ETH_IPV6,               IAVF_INSET_NONE},
 114         {iavf_pattern_eth_ipv6_udp,             IAVF_FDIR_INSET_ETH_IPV6_UDP,           IAVF_INSET_NONE},
 115         {iavf_pattern_eth_ipv6_tcp,             IAVF_FDIR_INSET_ETH_IPV6_TCP,           IAVF_INSET_NONE},
 116         {iavf_pattern_eth_ipv6_sctp,            IAVF_FDIR_INSET_ETH_IPV6_SCTP,          IAVF_INSET_NONE},
 117         {iavf_pattern_eth_ipv4_gtpu,            IAVF_FDIR_INSET_IPV4_GTPU,              IAVF_INSET_NONE},
 118         {iavf_pattern_eth_ipv4_gtpu_eh,         IAVF_FDIR_INSET_IPV4_GTPU_EH,           IAVF_INSET_NONE},
 119         {iavf_pattern_eth_ipv6_gtpu,            IAVF_FDIR_INSET_IPV6_GTPU,              IAVF_INSET_NONE},
 120         {iavf_pattern_eth_ipv6_gtpu_eh,         IAVF_FDIR_INSET_IPV6_GTPU_EH,           IAVF_INSET_NONE},
 121         {iavf_pattern_eth_ipv4_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,              IAVF_INSET_NONE},
 122         {iavf_pattern_eth_ipv6_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,              IAVF_INSET_NONE},
 123         {iavf_pattern_eth_ipv4_esp,             IAVF_FDIR_INSET_ESP,                    IAVF_INSET_NONE},
 124         {iavf_pattern_eth_ipv6_esp,             IAVF_FDIR_INSET_ESP,                    IAVF_INSET_NONE},
 125         {iavf_pattern_eth_ipv4_ah,              IAVF_FDIR_INSET_AH,                     IAVF_INSET_NONE},
 126         {iavf_pattern_eth_ipv6_ah,              IAVF_FDIR_INSET_AH,                     IAVF_INSET_NONE},
 127         {iavf_pattern_eth_ipv4_udp_esp,         IAVF_FDIR_INSET_IPV4_NATT_ESP,          IAVF_INSET_NONE},
 128         {iavf_pattern_eth_ipv6_udp_esp,         IAVF_FDIR_INSET_IPV6_NATT_ESP,          IAVF_INSET_NONE},
 129         {iavf_pattern_eth_ipv4_pfcp,            IAVF_FDIR_INSET_PFCP,                   IAVF_INSET_NONE},
 130         {iavf_pattern_eth_ipv6_pfcp,            IAVF_FDIR_INSET_PFCP,                   IAVF_INSET_NONE},
 131 };
 132
 133 static struct iavf_flow_parser iavf_fdir_parser;
 134
 135 static int
 136 iavf_fdir_init(struct iavf_adapter *ad)
 137 {
 138         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 139         struct iavf_flow_parser *parser;
 140
 141         if (!vf->vf_res)
 142                 return -EINVAL;
 143
 144         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_FDIR_PF)
 145                 parser = &iavf_fdir_parser;
 146         else
 147                 return -ENOTSUP;
 148
 149         return iavf_register_parser(parser, ad);
 150 }
 151
 152 static void
 153 iavf_fdir_uninit(struct iavf_adapter *ad)
 154 {
 155         iavf_unregister_parser(&iavf_fdir_parser, ad);
 156 }
 157
 158 static int
 159 iavf_fdir_create(struct iavf_adapter *ad,
 160                 struct rte_flow *flow,
 161                 void *meta,
 162                 struct rte_flow_error *error)
 163 {
 164         struct iavf_fdir_conf *filter = meta;
 165         struct iavf_fdir_conf *rule;
 166         int ret;
 167
 168         rule = rte_zmalloc("fdir_entry", sizeof(*rule), 0);
 169         if (!rule) {
 170                 rte_flow_error_set(error, ENOMEM,
 171                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 172                                 "Failed to allocate memory for fdir rule");
 173                 return -rte_errno;
 174         }
 175
 176         ret = iavf_fdir_add(ad, filter);
 177         if (ret) {
 178                 rte_flow_error_set(error, -ret,
 179                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 180                                 "Failed to add filter rule.");
 181                 goto free_entry;
 182         }
 183
 184         if (filter->mark_flag == 1)
 185                 iavf_fdir_rx_proc_enable(ad, 1);
 186
 187         rte_memcpy(rule, filter, sizeof(*rule));
 188         flow->rule = rule;
 189
 190         return 0;
 191
 192 free_entry:
 193         rte_free(rule);
 194         return -rte_errno;
 195 }
 196
 197 static int
 198 iavf_fdir_destroy(struct iavf_adapter *ad,
 199                 struct rte_flow *flow,
 200                 struct rte_flow_error *error)
 201 {
 202         struct iavf_fdir_conf *filter;
 203         int ret;
 204
 205         filter = (struct iavf_fdir_conf *)flow->rule;
 206
 207         ret = iavf_fdir_del(ad, filter);
 208         if (ret) {
 209                 rte_flow_error_set(error, -ret,
 210                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 211                                 "Failed to delete filter rule.");
 212                 return -rte_errno;
 213         }
 214
 215         if (filter->mark_flag == 1)
 216                 iavf_fdir_rx_proc_enable(ad, 0);
 217
 218         flow->rule = NULL;
 219         rte_free(filter);
 220
 221         return 0;
 222 }
 223
 224 static int
 225 iavf_fdir_validation(struct iavf_adapter *ad,
 226                 __rte_unused struct rte_flow *flow,
 227                 void *meta,
 228                 struct rte_flow_error *error)
 229 {
 230         struct iavf_fdir_conf *filter = meta;
 231         int ret;
 232
 233         ret = iavf_fdir_check(ad, filter);
 234         if (ret) {
 235                 rte_flow_error_set(error, -ret,
 236                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 237                                 "Failed to validate filter rule.");
 238                 return -rte_errno;
 239         }
 240
 241         return 0;
 242 };
 243
 244 static struct iavf_flow_engine iavf_fdir_engine = {
 245         .init = iavf_fdir_init,
 246         .uninit = iavf_fdir_uninit,
 247         .create = iavf_fdir_create,
 248         .destroy = iavf_fdir_destroy,
 249         .validation = iavf_fdir_validation,
 250         .type = IAVF_FLOW_ENGINE_FDIR,
 251 };
 252
 253 static int
 254 iavf_fdir_parse_action_qregion(struct iavf_adapter *ad,
 255                         struct rte_flow_error *error,
 256                         const struct rte_flow_action *act,
 257                         struct virtchnl_filter_action *filter_action)
 258 {
 259         const struct rte_flow_action_rss *rss = act->conf;
 260         uint32_t i;
 261
 262         if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
 263                 rte_flow_error_set(error, EINVAL,
 264                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
 265                                 "Invalid action.");
 266                 return -rte_errno;
 267         }
 268
 269         if (rss->queue_num <= 1) {
 270                 rte_flow_error_set(error, EINVAL,
 271                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
 272                                 "Queue region size can't be 0 or 1.");
 273                 return -rte_errno;
 274         }
 275
 276         /* check if queue index for queue region is continuous */
 277         for (i = 0; i < rss->queue_num - 1; i++) {
 278                 if (rss->queue[i + 1] != rss->queue[i] + 1) {
 279                         rte_flow_error_set(error, EINVAL,
 280                                         RTE_FLOW_ERROR_TYPE_ACTION, act,
 281                                         "Discontinuous queue region");
 282                         return -rte_errno;
 283                 }
 284         }
 285
 286         if (rss->queue[rss->queue_num - 1] >= ad->eth_dev->data->nb_rx_queues) {
 287                 rte_flow_error_set(error, EINVAL,
 288                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
 289                                 "Invalid queue region indexes.");
 290                 return -rte_errno;
 291         }
 292
 293         if (!(rte_is_power_of_2(rss->queue_num) &&
 294                 rss->queue_num <= IAVF_FDIR_MAX_QREGION_SIZE)) {
 295                 rte_flow_error_set(error, EINVAL,
 296                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
 297                                 "The region size should be any of the following values:"
 298                                 "1, 2, 4, 8, 16, 32, 64, 128 as long as the total number "
 299                                 "of queues do not exceed the VSI allocation.");
 300                 return -rte_errno;
 301         }
 302
 303         filter_action->act_conf.queue.index = rss->queue[0];
 304         filter_action->act_conf.queue.region = rte_fls_u32(rss->queue_num) - 1;
 305
 306         return 0;
 307 }
 308
 309 static int
 310 iavf_fdir_parse_action(struct iavf_adapter *ad,
 311                         const struct rte_flow_action actions[],
 312                         struct rte_flow_error *error,
 313                         struct iavf_fdir_conf *filter)
 314 {
 315         const struct rte_flow_action_queue *act_q;
 316         const struct rte_flow_action_mark *mark_spec = NULL;
 317         uint32_t dest_num = 0;
 318         uint32_t mark_num = 0;
 319         int ret;
 320
 321         int number = 0;
 322         struct virtchnl_filter_action *filter_action;
 323
 324         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
 325                 switch (actions->type) {
 326                 case RTE_FLOW_ACTION_TYPE_VOID:
 327                         break;
 328
 329                 case RTE_FLOW_ACTION_TYPE_PASSTHRU:
 330                         dest_num++;
 331
 332                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 333
 334                         filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
 335
 336                         filter->add_fltr.rule_cfg.action_set.count = ++number;
 337                         break;
 338
 339                 case RTE_FLOW_ACTION_TYPE_DROP:
 340                         dest_num++;
 341
 342                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 343
 344                         filter_action->type = VIRTCHNL_ACTION_DROP;
 345
 346                         filter->add_fltr.rule_cfg.action_set.count = ++number;
 347                         break;
 348
 349                 case RTE_FLOW_ACTION_TYPE_QUEUE:
 350                         dest_num++;
 351
 352                         act_q = actions->conf;
 353                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 354
 355                         filter_action->type = VIRTCHNL_ACTION_QUEUE;
 356                         filter_action->act_conf.queue.index = act_q->index;
 357
 358                         if (filter_action->act_conf.queue.index >=
 359                                 ad->eth_dev->data->nb_rx_queues) {
 360                                 rte_flow_error_set(error, EINVAL,
 361                                         RTE_FLOW_ERROR_TYPE_ACTION,
 362                                         actions, "Invalid queue for FDIR.");
 363                                 return -rte_errno;
 364                         }
 365
 366                         filter->add_fltr.rule_cfg.action_set.count = ++number;
 367                         break;
 368
 369                 case RTE_FLOW_ACTION_TYPE_RSS:
 370                         dest_num++;
 371
 372                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 373
 374                         filter_action->type = VIRTCHNL_ACTION_Q_REGION;
 375
 376                         ret = iavf_fdir_parse_action_qregion(ad,
 377                                                 error, actions, filter_action);
 378                         if (ret)
 379                                 return ret;
 380
 381                         filter->add_fltr.rule_cfg.action_set.count = ++number;
 382                         break;
 383
 384                 case RTE_FLOW_ACTION_TYPE_MARK:
 385                         mark_num++;
 386
 387                         filter->mark_flag = 1;
 388                         mark_spec = actions->conf;
 389                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 390
 391                         filter_action->type = VIRTCHNL_ACTION_MARK;
 392                         filter_action->act_conf.mark_id = mark_spec->id;
 393
 394                         filter->add_fltr.rule_cfg.action_set.count = ++number;
 395                         break;
 396
 397                 default:
 398                         rte_flow_error_set(error, EINVAL,
 399                                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
 400                                         "Invalid action.");
 401                         return -rte_errno;
 402                 }
 403         }
 404
 405         if (number > VIRTCHNL_MAX_NUM_ACTIONS) {
 406                 rte_flow_error_set(error, EINVAL,
 407                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
 408                         "Action numbers exceed the maximum value");
 409                 return -rte_errno;
 410         }
 411
 412         if (dest_num >= 2) {
 413                 rte_flow_error_set(error, EINVAL,
 414                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
 415                         "Unsupported action combination");
 416                 return -rte_errno;
 417         }
 418
 419         if (mark_num >= 2) {
 420                 rte_flow_error_set(error, EINVAL,
 421                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
 422                         "Too many mark actions");
 423                 return -rte_errno;
 424         }
 425
 426         if (dest_num + mark_num == 0) {
 427                 rte_flow_error_set(error, EINVAL,
 428                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
 429                         "Empty action");
 430                 return -rte_errno;
 431         }
 432
 433         /* Mark only is equal to mark + passthru. */
 434         if (dest_num == 0) {
 435                 filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
 436                 filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
 437                 filter->add_fltr.rule_cfg.action_set.count = ++number;
 438         }
 439
 440         return 0;
 441 }
 442
 443 static int
 444 iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
 445                         const struct rte_flow_item pattern[],
 446                         struct rte_flow_error *error,
 447                         struct iavf_fdir_conf *filter)
 448 {
 449         const struct rte_flow_item *item = pattern;
 450         enum rte_flow_item_type item_type;
 451         enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
 452         const struct rte_flow_item_eth *eth_spec, *eth_mask;
 453         const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
 454         const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
 455         const struct rte_flow_item_udp *udp_spec, *udp_mask;
 456         const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
 457         const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
 458         const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
 459         const struct rte_flow_item_gtp_psc *gtp_psc_spec, *gtp_psc_mask;
 460         const struct rte_flow_item_l2tpv3oip *l2tpv3oip_spec, *l2tpv3oip_mask;
 461         const struct rte_flow_item_esp *esp_spec, *esp_mask;
 462         const struct rte_flow_item_ah *ah_spec, *ah_mask;
 463         const struct rte_flow_item_pfcp *pfcp_spec, *pfcp_mask;
 464         uint64_t input_set = IAVF_INSET_NONE;
 465
 466         enum rte_flow_item_type next_type;
 467         uint16_t ether_type;
 468
 469         int layer = 0;
 470         struct virtchnl_proto_hdr *hdr;
 471
 472         uint8_t  ipv6_addr_mask[16] = {
 473                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
 474                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
 475         };
 476
 477         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 478                 if (item->last) {
 479                         rte_flow_error_set(error, EINVAL,
 480                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 481                                         "Not support range");
 482                 }
 483
 484                 item_type = item->type;
 485
 486                 switch (item_type) {
 487                 case RTE_FLOW_ITEM_TYPE_ETH:
 488                         eth_spec = item->spec;
 489                         eth_mask = item->mask;
 490                         next_type = (item + 1)->type;
 491
 492                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 493
 494                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ETH);
 495
 496                         if (next_type == RTE_FLOW_ITEM_TYPE_END &&
 497                                 (!eth_spec || !eth_mask)) {
 498                                 rte_flow_error_set(error, EINVAL,
 499                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 500                                                 item, "NULL eth spec/mask.");
 501                                 return -rte_errno;
 502                         }
 503
 504                         if (eth_spec && eth_mask) {
 505                                 if (!rte_is_zero_ether_addr(&eth_mask->src) ||
 506                                     !rte_is_zero_ether_addr(&eth_mask->dst)) {
 507                                         rte_flow_error_set(error, EINVAL,
 508                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
 509                                                 "Invalid MAC_addr mask.");
 510                                         return -rte_errno;
 511                                 }
 512                         }
 513
 514                         if (eth_spec && eth_mask && eth_mask->type) {
 515                                 if (eth_mask->type != RTE_BE16(0xffff)) {
 516                                         rte_flow_error_set(error, EINVAL,
 517                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 518                                                 item, "Invalid type mask.");
 519                                         return -rte_errno;
 520                                 }
 521
 522                                 ether_type = rte_be_to_cpu_16(eth_spec->type);
 523                                 if (ether_type == RTE_ETHER_TYPE_IPV4 ||
 524                                         ether_type == RTE_ETHER_TYPE_IPV6) {
 525                                         rte_flow_error_set(error, EINVAL,
 526                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 527                                                 item,
 528                                                 "Unsupported ether_type.");
 529                                         return -rte_errno;
 530                                 }
 531
 532                                 input_set |= IAVF_INSET_ETHERTYPE;
 533                                 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ETH, ETHERTYPE);
 534
 535                                 rte_memcpy(hdr->buffer,
 536                                         eth_spec, sizeof(*eth_spec));
 537                         }
 538
 539                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 540                         break;
 541
 542                 case RTE_FLOW_ITEM_TYPE_IPV4:
 543                         l3 = RTE_FLOW_ITEM_TYPE_IPV4;
 544                         ipv4_spec = item->spec;
 545                         ipv4_mask = item->mask;
 546
 547                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 548
 549                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV4);
 550
 551                         if (ipv4_spec && ipv4_mask) {
 552                                 if (ipv4_mask->hdr.version_ihl ||
 553                                         ipv4_mask->hdr.total_length ||
 554                                         ipv4_mask->hdr.packet_id ||
 555                                         ipv4_mask->hdr.fragment_offset ||
 556                                         ipv4_mask->hdr.hdr_checksum) {
 557                                         rte_flow_error_set(error, EINVAL,
 558                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 559                                                 item, "Invalid IPv4 mask.");
 560                                         return -rte_errno;
 561                                 }
 562
 563                                 if (ipv4_mask->hdr.type_of_service ==
 564                                                                 UINT8_MAX) {
 565                                         input_set |= IAVF_INSET_IPV4_TOS;
 566                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DSCP);
 567                                 }
 568                                 if (ipv4_mask->hdr.next_proto_id == UINT8_MAX) {
 569                                         input_set |= IAVF_INSET_IPV4_PROTO;
 570                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, PROT);
 571                                 }
 572                                 if (ipv4_mask->hdr.time_to_live == UINT8_MAX) {
 573                                         input_set |= IAVF_INSET_IPV4_TTL;
 574                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, TTL);
 575                                 }
 576                                 if (ipv4_mask->hdr.src_addr == UINT32_MAX) {
 577                                         input_set |= IAVF_INSET_IPV4_SRC;
 578                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, SRC);
 579                                 }
 580                                 if (ipv4_mask->hdr.dst_addr == UINT32_MAX) {
 581                                         input_set |= IAVF_INSET_IPV4_DST;
 582                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DST);
 583                                 }
 584
 585                                 rte_memcpy(hdr->buffer,
 586                                         &ipv4_spec->hdr,
 587                                         sizeof(ipv4_spec->hdr));
 588                         }
 589
 590                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 591                         break;
 592
 593                 case RTE_FLOW_ITEM_TYPE_IPV6:
 594                         l3 = RTE_FLOW_ITEM_TYPE_IPV6;
 595                         ipv6_spec = item->spec;
 596                         ipv6_mask = item->mask;
 597
 598                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 599
 600                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV6);
 601
 602                         if (ipv6_spec && ipv6_mask) {
 603                                 if (ipv6_mask->hdr.payload_len) {
 604                                         rte_flow_error_set(error, EINVAL,
 605                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 606                                                 item, "Invalid IPv6 mask");
 607                                         return -rte_errno;
 608                                 }
 609
 610                                 if ((ipv6_mask->hdr.vtc_flow &
 611                                         rte_cpu_to_be_32(IAVF_IPV6_TC_MASK))
 612                                         == rte_cpu_to_be_32(IAVF_IPV6_TC_MASK)) {
 613                                         input_set |= IAVF_INSET_IPV6_TC;
 614                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, TC);
 615                                 }
 616                                 if (ipv6_mask->hdr.proto == UINT8_MAX) {
 617                                         input_set |= IAVF_INSET_IPV6_NEXT_HDR;
 618                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, PROT);
 619                                 }
 620                                 if (ipv6_mask->hdr.hop_limits == UINT8_MAX) {
 621                                         input_set |= IAVF_INSET_IPV6_HOP_LIMIT;
 622                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, HOP_LIMIT);
 623                                 }
 624                                 if (!memcmp(ipv6_mask->hdr.src_addr,
 625                                         ipv6_addr_mask,
 626                                         RTE_DIM(ipv6_mask->hdr.src_addr))) {
 627                                         input_set |= IAVF_INSET_IPV6_SRC;
 628                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, SRC);
 629                                 }
 630                                 if (!memcmp(ipv6_mask->hdr.dst_addr,
 631                                         ipv6_addr_mask,
 632                                         RTE_DIM(ipv6_mask->hdr.dst_addr))) {
 633                                         input_set |= IAVF_INSET_IPV6_DST;
 634                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, DST);
 635                                 }
 636
 637                                 rte_memcpy(hdr->buffer,
 638                                         &ipv6_spec->hdr,
 639                                         sizeof(ipv6_spec->hdr));
 640                         }
 641
 642                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 643                         break;
 644
 645                 case RTE_FLOW_ITEM_TYPE_UDP:
 646                         udp_spec = item->spec;
 647                         udp_mask = item->mask;
 648
 649                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 650
 651                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP);
 652
 653                         if (udp_spec && udp_mask) {
 654                                 if (udp_mask->hdr.dgram_len ||
 655                                         udp_mask->hdr.dgram_cksum) {
 656                                         rte_flow_error_set(error, EINVAL,
 657                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
 658                                                 "Invalid UDP mask");
 659                                         return -rte_errno;
 660                                 }
 661
 662                                 if (udp_mask->hdr.src_port == UINT16_MAX) {
 663                                         input_set |= IAVF_INSET_UDP_SRC_PORT;
 664                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
 665                                 }
 666                                 if (udp_mask->hdr.dst_port == UINT16_MAX) {
 667                                         input_set |= IAVF_INSET_UDP_DST_PORT;
 668                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT);
 669                                 }
 670
 671                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
 672                                         rte_memcpy(hdr->buffer,
 673                                                 &udp_spec->hdr,
 674                                                 sizeof(udp_spec->hdr));
 675                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
 676                                         rte_memcpy(hdr->buffer,
 677                                                 &udp_spec->hdr,
 678                                                 sizeof(udp_spec->hdr));
 679                         }
 680
 681                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 682                         break;
 683
 684                 case RTE_FLOW_ITEM_TYPE_TCP:
 685                         tcp_spec = item->spec;
 686                         tcp_mask = item->mask;
 687
 688                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 689
 690                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, TCP);
 691
 692                         if (tcp_spec && tcp_mask) {
 693                                 if (tcp_mask->hdr.sent_seq ||
 694                                         tcp_mask->hdr.recv_ack ||
 695                                         tcp_mask->hdr.data_off ||
 696                                         tcp_mask->hdr.tcp_flags ||
 697                                         tcp_mask->hdr.rx_win ||
 698                                         tcp_mask->hdr.cksum ||
 699                                         tcp_mask->hdr.tcp_urp) {
 700                                         rte_flow_error_set(error, EINVAL,
 701                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
 702                                                 "Invalid TCP mask");
 703                                         return -rte_errno;
 704                                 }
 705
 706                                 if (tcp_mask->hdr.src_port == UINT16_MAX) {
 707                                         input_set |= IAVF_INSET_TCP_SRC_PORT;
 708                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
 709                                 }
 710                                 if (tcp_mask->hdr.dst_port == UINT16_MAX) {
 711                                         input_set |= IAVF_INSET_TCP_DST_PORT;
 712                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT);
 713                                 }
 714
 715                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
 716                                         rte_memcpy(hdr->buffer,
 717                                                 &tcp_spec->hdr,
 718                                                 sizeof(tcp_spec->hdr));
 719                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
 720                                         rte_memcpy(hdr->buffer,
 721                                                 &tcp_spec->hdr,
 722                                                 sizeof(tcp_spec->hdr));
 723                         }
 724
 725                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 726                         break;
 727
 728                 case RTE_FLOW_ITEM_TYPE_SCTP:
 729                         sctp_spec = item->spec;
 730                         sctp_mask = item->mask;
 731
 732                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 733
 734                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, SCTP);
 735
 736                         if (sctp_spec && sctp_mask) {
 737                                 if (sctp_mask->hdr.cksum) {
 738                                         rte_flow_error_set(error, EINVAL,
 739                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
 740                                                 "Invalid UDP mask");
 741                                         return -rte_errno;
 742                                 }
 743
 744                                 if (sctp_mask->hdr.src_port == UINT16_MAX) {
 745                                         input_set |= IAVF_INSET_SCTP_SRC_PORT;
 746                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, SRC_PORT);
 747                                 }
 748                                 if (sctp_mask->hdr.dst_port == UINT16_MAX) {
 749                                         input_set |= IAVF_INSET_SCTP_DST_PORT;
 750                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, DST_PORT);
 751                                 }
 752
 753                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
 754                                         rte_memcpy(hdr->buffer,
 755                                                 &sctp_spec->hdr,
 756                                                 sizeof(sctp_spec->hdr));
 757                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
 758                                         rte_memcpy(hdr->buffer,
 759                                                 &sctp_spec->hdr,
 760                                                 sizeof(sctp_spec->hdr));
 761                         }
 762
 763                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 764                         break;
 765
 766                 case RTE_FLOW_ITEM_TYPE_GTPU:
 767                         gtp_spec = item->spec;
 768                         gtp_mask = item->mask;
 769
 770                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 771
 772                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_IP);
 773
 774                         if (gtp_spec && gtp_mask) {
 775                                 if (gtp_mask->v_pt_rsv_flags ||
 776                                         gtp_mask->msg_type ||
 777                                         gtp_mask->msg_len) {
 778                                         rte_flow_error_set(error, EINVAL,
 779                                                 RTE_FLOW_ERROR_TYPE_ITEM,
 780                                                 item, "Invalid GTP mask");
 781                                         return -rte_errno;
 782                                 }
 783
 784                                 if (gtp_mask->teid == UINT32_MAX) {
 785                                         input_set |= IAVF_INSET_GTPU_TEID;
 786                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, GTPU_IP, TEID);
 787                                 }
 788
 789                                 rte_memcpy(hdr->buffer,
 790                                         gtp_spec, sizeof(*gtp_spec));
 791                         }
 792
 793                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 794                         break;
 795
 796                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 797                         gtp_psc_spec = item->spec;
 798                         gtp_psc_mask = item->mask;
 799
 800                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 801
 802                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_EH);
 803
 804                         if (gtp_psc_spec && gtp_psc_mask) {
 805                                 if (gtp_psc_mask->qfi == UINT8_MAX) {
 806                                         input_set |= IAVF_INSET_GTPU_QFI;
 807                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, GTPU_EH, QFI);
 808                                 }
 809
 810                                 rte_memcpy(hdr->buffer, gtp_psc_spec,
 811                                         sizeof(*gtp_psc_spec));
 812                         }
 813
 814                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 815                         break;
 816
 817                 case RTE_FLOW_ITEM_TYPE_L2TPV3OIP:
 818                         l2tpv3oip_spec = item->spec;
 819                         l2tpv3oip_mask = item->mask;
 820
 821                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 822
 823                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, L2TPV3);
 824
 825                         if (l2tpv3oip_spec && l2tpv3oip_mask) {
 826                                 if (l2tpv3oip_mask->session_id == UINT32_MAX) {
 827                                         input_set |= IAVF_L2TPV3OIP_SESSION_ID;
 828                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, L2TPV3, SESS_ID);
 829                                 }
 830
 831                                 rte_memcpy(hdr->buffer, l2tpv3oip_spec,
 832                                         sizeof(*l2tpv3oip_spec));
 833                         }
 834
 835                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 836                         break;
 837
 838                 case RTE_FLOW_ITEM_TYPE_ESP:
 839                         esp_spec = item->spec;
 840                         esp_mask = item->mask;
 841
 842                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 843
 844                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ESP);
 845
 846                         if (esp_spec && esp_mask) {
 847                                 if (esp_mask->hdr.spi == UINT32_MAX) {
 848                                         input_set |= IAVF_INSET_ESP_SPI;
 849                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ESP, SPI);
 850                                 }
 851
 852                                 rte_memcpy(hdr->buffer, &esp_spec->hdr,
 853                                         sizeof(esp_spec->hdr));
 854                         }
 855
 856                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 857                         break;
 858
 859                 case RTE_FLOW_ITEM_TYPE_AH:
 860                         ah_spec = item->spec;
 861                         ah_mask = item->mask;
 862
 863                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 864
 865                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, AH);
 866
 867                         if (ah_spec && ah_mask) {
 868                                 if (ah_mask->spi == UINT32_MAX) {
 869                                         input_set |= IAVF_INSET_AH_SPI;
 870                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, AH, SPI);
 871                                 }
 872
 873                                 rte_memcpy(hdr->buffer, ah_spec,
 874                                         sizeof(*ah_spec));
 875                         }
 876
 877                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 878                         break;
 879
 880                 case RTE_FLOW_ITEM_TYPE_PFCP:
 881                         pfcp_spec = item->spec;
 882                         pfcp_mask = item->mask;
 883
 884                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
 885
 886                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, PFCP);
 887
 888                         if (pfcp_spec && pfcp_mask) {
 889                                 if (pfcp_mask->s_field == UINT8_MAX) {
 890                                         input_set |= IAVF_INSET_PFCP_S_FIELD;
 891                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, PFCP, S_FIELD);
 892                                 }
 893
 894                                 rte_memcpy(hdr->buffer, pfcp_spec,
 895                                         sizeof(*pfcp_spec));
 896                         }
 897
 898                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
 899                         break;
 900
 901                 case RTE_FLOW_ITEM_TYPE_VOID:
 902                         break;
 903
 904                 default:
 905                         rte_flow_error_set(error, EINVAL,
 906                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 907                                         "Invalid pattern item.");
 908                         return -rte_errno;
 909                 }
 910         }
 911
 912         if (layer > VIRTCHNL_MAX_NUM_PROTO_HDRS) {
 913                 rte_flow_error_set(error, EINVAL,
 914                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 915                         "Protocol header layers exceed the maximum value");
 916                 return -rte_errno;
 917         }
 918
 919         filter->input_set = input_set;
 920
 921         return 0;
 922 }
 923
 924 static int
 925 iavf_fdir_parse(struct iavf_adapter *ad,
 926                 struct iavf_pattern_match_item *array,
 927                 uint32_t array_len,
 928                 const struct rte_flow_item pattern[],
 929                 const struct rte_flow_action actions[],
 930                 void **meta,
 931                 struct rte_flow_error *error)
 932 {
 933         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
 934         struct iavf_fdir_conf *filter = &vf->fdir.conf;
 935         struct iavf_pattern_match_item *item = NULL;
 936         uint64_t input_set;
 937         int ret;
 938
 939         memset(filter, 0, sizeof(*filter));
 940
 941         item = iavf_search_pattern_match_item(pattern, array, array_len, error);
 942         if (!item)
 943                 return -rte_errno;
 944
 945         ret = iavf_fdir_parse_pattern(ad, pattern, error, filter);
 946         if (ret)
 947                 goto error;
 948
 949         input_set = filter->input_set;
 950         if (!input_set || input_set & ~item->input_set_mask) {
 951                 rte_flow_error_set(error, EINVAL,
 952                                 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, pattern,
 953                                 "Invalid input set");
 954                 ret = -rte_errno;
 955                 goto error;
 956         }
 957
 958         ret = iavf_fdir_parse_action(ad, actions, error, filter);
 959         if (ret)
 960                 goto error;
 961
 962         if (meta)
 963                 *meta = filter;
 964
 965 error:
 966         rte_free(item);
 967         return ret;
 968 }
 969
 970 static struct iavf_flow_parser iavf_fdir_parser = {
 971         .engine = &iavf_fdir_engine,
 972         .array = iavf_fdir_pattern,
 973         .array_len = RTE_DIM(iavf_fdir_pattern),
 974         .parse_pattern_action = iavf_fdir_parse,
 975         .stage = IAVF_FLOW_STAGE_DISTRIBUTOR,
 976 };
 977
 978 RTE_INIT(iavf_fdir_engine_register)
 979 {
 980         iavf_register_flow_engine(&iavf_fdir_engine);
 981 }