drivers/net/mlx5/mlx5_flow_verbs.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2018 Mellanox Technologies, Ltd
   3  */
   4
   5 #include <netinet/in.h>
   6 #include <sys/queue.h>
   7 #include <stdalign.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10
  11 /* Verbs header. */
  12 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
  13 #ifdef PEDANTIC
  14 #pragma GCC diagnostic ignored "-Wpedantic"
  15 #endif
  16 #include <infiniband/verbs.h>
  17 #ifdef PEDANTIC
  18 #pragma GCC diagnostic error "-Wpedantic"
  19 #endif
  20
  21 #include <rte_common.h>
  22 #include <rte_ether.h>
  23 #include <rte_ethdev_driver.h>
  24 #include <rte_flow.h>
  25 #include <rte_flow_driver.h>
  26 #include <rte_malloc.h>
  27 #include <rte_ip.h>
  28
  29 #include "mlx5.h"
  30 #include "mlx5_defs.h"
  31 #include "mlx5_flow.h"
  32 #include "mlx5_glue.h"
  33 #include "mlx5_prm.h"
  34 #include "mlx5_rxtx.h"
  35
  36 #define VERBS_SPEC_INNER(item_flags) \
  37         (!!((item_flags) & MLX5_FLOW_LAYER_TUNNEL) ? IBV_FLOW_SPEC_INNER : 0)
  38
  39 /**
  40  * Create Verbs flow counter with Verbs library.
  41  *
  42  * @param[in] dev
  43  *   Pointer to the Ethernet device structure.
  44  * @param[in, out] counter
  45  *   mlx5 flow counter object, contains the counter id,
  46  *   handle of created Verbs flow counter is returned
  47  *   in cs field (if counters are supported).
  48  *
  49  * @return
  50  *   0 On success else a negative errno value is returned
  51  *   and rte_errno is set.
  52  */
  53 static int
  54 flow_verbs_counter_create(struct rte_eth_dev *dev,
  55                           struct mlx5_flow_counter *counter)
  56 {
  57 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
  58         struct mlx5_priv *priv = dev->data->dev_private;
  59         struct ibv_context *ctx = priv->sh->ctx;
  60         struct ibv_counter_set_init_attr init = {
  61                          .counter_set_id = counter->id};
  62
  63         counter->cs = mlx5_glue->create_counter_set(ctx, &init);
  64         if (!counter->cs) {
  65                 rte_errno = ENOTSUP;
  66                 return -ENOTSUP;
  67         }
  68         return 0;
  69 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
  70         struct mlx5_priv *priv = dev->data->dev_private;
  71         struct ibv_context *ctx = priv->sh->ctx;
  72         struct ibv_counters_init_attr init = {0};
  73         struct ibv_counter_attach_attr attach;
  74         int ret;
  75
  76         memset(&attach, 0, sizeof(attach));
  77         counter->cs = mlx5_glue->create_counters(ctx, &init);
  78         if (!counter->cs) {
  79                 rte_errno = ENOTSUP;
  80                 return -ENOTSUP;
  81         }
  82         attach.counter_desc = IBV_COUNTER_PACKETS;
  83         attach.index = 0;
  84         ret = mlx5_glue->attach_counters(counter->cs, &attach, NULL);
  85         if (!ret) {
  86                 attach.counter_desc = IBV_COUNTER_BYTES;
  87                 attach.index = 1;
  88                 ret = mlx5_glue->attach_counters
  89                                         (counter->cs, &attach, NULL);
  90         }
  91         if (ret) {
  92                 claim_zero(mlx5_glue->destroy_counters(counter->cs));
  93                 counter->cs = NULL;
  94                 rte_errno = ret;
  95                 return -ret;
  96         }
  97         return 0;
  98 #else
  99         (void)dev;
 100         (void)counter;
 101         rte_errno = ENOTSUP;
 102         return -ENOTSUP;
 103 #endif
 104 }
 105
 106 /**
 107  * Get a flow counter.
 108  *
 109  * @param[in] dev
 110  *   Pointer to the Ethernet device structure.
 111  * @param[in] shared
 112  *   Indicate if this counter is shared with other flows.
 113  * @param[in] id
 114  *   Counter identifier.
 115  *
 116  * @return
 117  *   A pointer to the counter, NULL otherwise and rte_errno is set.
 118  */
 119 static struct mlx5_flow_counter *
 120 flow_verbs_counter_new(struct rte_eth_dev *dev, uint32_t shared, uint32_t id)
 121 {
 122         struct mlx5_priv *priv = dev->data->dev_private;
 123         struct mlx5_flow_counter *cnt;
 124         int ret;
 125
 126         if (shared) {
 127                 TAILQ_FOREACH(cnt, &priv->sh->cmng.flow_counters, next) {
 128                         if (cnt->shared && cnt->id == id) {
 129                                 cnt->ref_cnt++;
 130                                 return cnt;
 131                         }
 132                 }
 133         }
 134         cnt = rte_calloc(__func__, 1, sizeof(*cnt), 0);
 135         if (!cnt) {
 136                 rte_errno = ENOMEM;
 137                 return NULL;
 138         }
 139         cnt->id = id;
 140         cnt->shared = shared;
 141         cnt->ref_cnt = 1;
 142         cnt->hits = 0;
 143         cnt->bytes = 0;
 144         /* Create counter with Verbs. */
 145         ret = flow_verbs_counter_create(dev, cnt);
 146         if (!ret) {
 147                 TAILQ_INSERT_HEAD(&priv->sh->cmng.flow_counters, cnt, next);
 148                 return cnt;
 149         }
 150         /* Some error occurred in Verbs library. */
 151         rte_free(cnt);
 152         rte_errno = -ret;
 153         return NULL;
 154 }
 155
 156 /**
 157  * Release a flow counter.
 158  *
 159  * @param[in] dev
 160  *   Pointer to the Ethernet device structure.
 161  * @param[in] counter
 162  *   Pointer to the counter handler.
 163  */
 164 static void
 165 flow_verbs_counter_release(struct rte_eth_dev *dev,
 166                            struct mlx5_flow_counter *counter)
 167 {
 168         struct mlx5_priv *priv = dev->data->dev_private;
 169
 170         if (--counter->ref_cnt == 0) {
 171 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
 172                 claim_zero(mlx5_glue->destroy_counter_set(counter->cs));
 173 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
 174                 claim_zero(mlx5_glue->destroy_counters(counter->cs));
 175 #endif
 176                 TAILQ_REMOVE(&priv->sh->cmng.flow_counters, counter, next);
 177                 rte_free(counter);
 178         }
 179 }
 180
 181 /**
 182  * Query a flow counter via Verbs library call.
 183  *
 184  * @see rte_flow_query()
 185  * @see rte_flow_ops
 186  */
 187 static int
 188 flow_verbs_counter_query(struct rte_eth_dev *dev __rte_unused,
 189                          struct rte_flow *flow, void *data,
 190                          struct rte_flow_error *error)
 191 {
 192 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
 193         defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
 194         if (flow->actions & MLX5_FLOW_ACTION_COUNT) {
 195                 struct rte_flow_query_count *qc = data;
 196                 uint64_t counters[2] = {0, 0};
 197 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
 198                 struct ibv_query_counter_set_attr query_cs_attr = {
 199                         .cs = flow->counter->cs,
 200                         .query_flags = IBV_COUNTER_SET_FORCE_UPDATE,
 201                 };
 202                 struct ibv_counter_set_data query_out = {
 203                         .out = counters,
 204                         .outlen = 2 * sizeof(uint64_t),
 205                 };
 206                 int err = mlx5_glue->query_counter_set(&query_cs_attr,
 207                                                        &query_out);
 208 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
 209                 int err = mlx5_glue->query_counters
 210                                (flow->counter->cs, counters,
 211                                 RTE_DIM(counters),
 212                                 IBV_READ_COUNTERS_ATTR_PREFER_CACHED);
 213 #endif
 214                 if (err)
 215                         return rte_flow_error_set
 216                                 (error, err,
 217                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 218                                  NULL,
 219                                  "cannot read counter");
 220                 qc->hits_set = 1;
 221                 qc->bytes_set = 1;
 222                 qc->hits = counters[0] - flow->counter->hits;
 223                 qc->bytes = counters[1] - flow->counter->bytes;
 224                 if (qc->reset) {
 225                         flow->counter->hits = counters[0];
 226                         flow->counter->bytes = counters[1];
 227                 }
 228                 return 0;
 229         }
 230         return rte_flow_error_set(error, EINVAL,
 231                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 232                                   NULL,
 233                                   "flow does not have counter");
 234 #else
 235         (void)flow;
 236         (void)data;
 237         return rte_flow_error_set(error, ENOTSUP,
 238                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 239                                   NULL,
 240                                   "counters are not available");
 241 #endif
 242 }
 243
 244 /**
 245  * Add a verbs item specification into @p verbs.
 246  *
 247  * @param[out] verbs
 248  *   Pointer to verbs structure.
 249  * @param[in] src
 250  *   Create specification.
 251  * @param[in] size
 252  *   Size in bytes of the specification to copy.
 253  */
 254 static void
 255 flow_verbs_spec_add(struct mlx5_flow_verbs *verbs, void *src, unsigned int size)
 256 {
 257         void *dst;
 258
 259         if (!verbs)
 260                 return;
 261         assert(verbs->specs);
 262         dst = (void *)(verbs->specs + verbs->size);
 263         memcpy(dst, src, size);
 264         ++verbs->attr->num_of_specs;
 265         verbs->size += size;
 266 }
 267
 268 /**
 269  * Convert the @p item into a Verbs specification. This function assumes that
 270  * the input is valid and that there is space to insert the requested item
 271  * into the flow.
 272  *
 273  * @param[in, out] dev_flow
 274  *   Pointer to dev_flow structure.
 275  * @param[in] item
 276  *   Item specification.
 277  * @param[in] item_flags
 278  *   Parsed item flags.
 279  */
 280 static void
 281 flow_verbs_translate_item_eth(struct mlx5_flow *dev_flow,
 282                               const struct rte_flow_item *item,
 283                               uint64_t item_flags)
 284 {
 285         const struct rte_flow_item_eth *spec = item->spec;
 286         const struct rte_flow_item_eth *mask = item->mask;
 287         const unsigned int size = sizeof(struct ibv_flow_spec_eth);
 288         struct ibv_flow_spec_eth eth = {
 289                 .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
 290                 .size = size,
 291         };
 292
 293         if (!mask)
 294                 mask = &rte_flow_item_eth_mask;
 295         if (spec) {
 296                 unsigned int i;
 297
 298                 memcpy(&eth.val.dst_mac, spec->dst.addr_bytes,
 299                         RTE_ETHER_ADDR_LEN);
 300                 memcpy(&eth.val.src_mac, spec->src.addr_bytes,
 301                         RTE_ETHER_ADDR_LEN);
 302                 eth.val.ether_type = spec->type;
 303                 memcpy(&eth.mask.dst_mac, mask->dst.addr_bytes,
 304                         RTE_ETHER_ADDR_LEN);
 305                 memcpy(&eth.mask.src_mac, mask->src.addr_bytes,
 306                         RTE_ETHER_ADDR_LEN);
 307                 eth.mask.ether_type = mask->type;
 308                 /* Remove unwanted bits from values. */
 309                 for (i = 0; i < RTE_ETHER_ADDR_LEN; ++i) {
 310                         eth.val.dst_mac[i] &= eth.mask.dst_mac[i];
 311                         eth.val.src_mac[i] &= eth.mask.src_mac[i];
 312                 }
 313                 eth.val.ether_type &= eth.mask.ether_type;
 314         }
 315         flow_verbs_spec_add(&dev_flow->verbs, &eth, size);
 316 }
 317
 318 /**
 319  * Update the VLAN tag in the Verbs Ethernet specification.
 320  * This function assumes that the input is valid and there is space to add
 321  * the requested item.
 322  *
 323  * @param[in, out] attr
 324  *   Pointer to Verbs attributes structure.
 325  * @param[in] eth
 326  *   Verbs structure containing the VLAN information to copy.
 327  */
 328 static void
 329 flow_verbs_item_vlan_update(struct ibv_flow_attr *attr,
 330                             struct ibv_flow_spec_eth *eth)
 331 {
 332         unsigned int i;
 333         const enum ibv_flow_spec_type search = eth->type;
 334         struct ibv_spec_header *hdr = (struct ibv_spec_header *)
 335                 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
 336
 337         for (i = 0; i != attr->num_of_specs; ++i) {
 338                 if (hdr->type == search) {
 339                         struct ibv_flow_spec_eth *e =
 340                                 (struct ibv_flow_spec_eth *)hdr;
 341
 342                         e->val.vlan_tag = eth->val.vlan_tag;
 343                         e->mask.vlan_tag = eth->mask.vlan_tag;
 344                         e->val.ether_type = eth->val.ether_type;
 345                         e->mask.ether_type = eth->mask.ether_type;
 346                         break;
 347                 }
 348                 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
 349         }
 350 }
 351
 352 /**
 353  * Convert the @p item into a Verbs specification. This function assumes that
 354  * the input is valid and that there is space to insert the requested item
 355  * into the flow.
 356  *
 357  * @param[in, out] dev_flow
 358  *   Pointer to dev_flow structure.
 359  * @param[in] item
 360  *   Item specification.
 361  * @param[in] item_flags
 362  *   Parsed item flags.
 363  */
 364 static void
 365 flow_verbs_translate_item_vlan(struct mlx5_flow *dev_flow,
 366                                const struct rte_flow_item *item,
 367                                uint64_t item_flags)
 368 {
 369         const struct rte_flow_item_vlan *spec = item->spec;
 370         const struct rte_flow_item_vlan *mask = item->mask;
 371         unsigned int size = sizeof(struct ibv_flow_spec_eth);
 372         const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
 373         struct ibv_flow_spec_eth eth = {
 374                 .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
 375                 .size = size,
 376         };
 377         const uint32_t l2m = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
 378                                       MLX5_FLOW_LAYER_OUTER_L2;
 379
 380         if (!mask)
 381                 mask = &rte_flow_item_vlan_mask;
 382         if (spec) {
 383                 eth.val.vlan_tag = spec->tci;
 384                 eth.mask.vlan_tag = mask->tci;
 385                 eth.val.vlan_tag &= eth.mask.vlan_tag;
 386                 eth.val.ether_type = spec->inner_type;
 387                 eth.mask.ether_type = mask->inner_type;
 388                 eth.val.ether_type &= eth.mask.ether_type;
 389         }
 390         if (!(item_flags & l2m))
 391                 flow_verbs_spec_add(&dev_flow->verbs, &eth, size);
 392         else
 393                 flow_verbs_item_vlan_update(dev_flow->verbs.attr, &eth);
 394 }
 395
 396 /**
 397  * Convert the @p item into a Verbs specification. This function assumes that
 398  * the input is valid and that there is space to insert the requested item
 399  * into the flow.
 400  *
 401  * @param[in, out] dev_flow
 402  *   Pointer to dev_flow structure.
 403  * @param[in] item
 404  *   Item specification.
 405  * @param[in] item_flags
 406  *   Parsed item flags.
 407  */
 408 static void
 409 flow_verbs_translate_item_ipv4(struct mlx5_flow *dev_flow,
 410                                const struct rte_flow_item *item,
 411                                uint64_t item_flags)
 412 {
 413         const struct rte_flow_item_ipv4 *spec = item->spec;
 414         const struct rte_flow_item_ipv4 *mask = item->mask;
 415         unsigned int size = sizeof(struct ibv_flow_spec_ipv4_ext);
 416         struct ibv_flow_spec_ipv4_ext ipv4 = {
 417                 .type = IBV_FLOW_SPEC_IPV4_EXT | VERBS_SPEC_INNER(item_flags),
 418                 .size = size,
 419         };
 420
 421         if (!mask)
 422                 mask = &rte_flow_item_ipv4_mask;
 423         if (spec) {
 424                 ipv4.val = (struct ibv_flow_ipv4_ext_filter){
 425                         .src_ip = spec->hdr.src_addr,
 426                         .dst_ip = spec->hdr.dst_addr,
 427                         .proto = spec->hdr.next_proto_id,
 428                         .tos = spec->hdr.type_of_service,
 429                 };
 430                 ipv4.mask = (struct ibv_flow_ipv4_ext_filter){
 431                         .src_ip = mask->hdr.src_addr,
 432                         .dst_ip = mask->hdr.dst_addr,
 433                         .proto = mask->hdr.next_proto_id,
 434                         .tos = mask->hdr.type_of_service,
 435                 };
 436                 /* Remove unwanted bits from values. */
 437                 ipv4.val.src_ip &= ipv4.mask.src_ip;
 438                 ipv4.val.dst_ip &= ipv4.mask.dst_ip;
 439                 ipv4.val.proto &= ipv4.mask.proto;
 440                 ipv4.val.tos &= ipv4.mask.tos;
 441         }
 442         flow_verbs_spec_add(&dev_flow->verbs, &ipv4, size);
 443 }
 444
 445 /**
 446  * Convert the @p item into a Verbs specification. This function assumes that
 447  * the input is valid and that there is space to insert the requested item
 448  * into the flow.
 449  *
 450  * @param[in, out] dev_flow
 451  *   Pointer to dev_flow structure.
 452  * @param[in] item
 453  *   Item specification.
 454  * @param[in] item_flags
 455  *   Parsed item flags.
 456  */
 457 static void
 458 flow_verbs_translate_item_ipv6(struct mlx5_flow *dev_flow,
 459                                const struct rte_flow_item *item,
 460                                uint64_t item_flags)
 461 {
 462         const struct rte_flow_item_ipv6 *spec = item->spec;
 463         const struct rte_flow_item_ipv6 *mask = item->mask;
 464         unsigned int size = sizeof(struct ibv_flow_spec_ipv6);
 465         struct ibv_flow_spec_ipv6 ipv6 = {
 466                 .type = IBV_FLOW_SPEC_IPV6 | VERBS_SPEC_INNER(item_flags),
 467                 .size = size,
 468         };
 469
 470         if (!mask)
 471                 mask = &rte_flow_item_ipv6_mask;
 472         if (spec) {
 473                 unsigned int i;
 474                 uint32_t vtc_flow_val;
 475                 uint32_t vtc_flow_mask;
 476
 477                 memcpy(&ipv6.val.src_ip, spec->hdr.src_addr,
 478                        RTE_DIM(ipv6.val.src_ip));
 479                 memcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,
 480                        RTE_DIM(ipv6.val.dst_ip));
 481                 memcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,
 482                        RTE_DIM(ipv6.mask.src_ip));
 483                 memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
 484                        RTE_DIM(ipv6.mask.dst_ip));
 485                 vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
 486                 vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
 487                 ipv6.val.flow_label =
 488                         rte_cpu_to_be_32((vtc_flow_val & RTE_IPV6_HDR_FL_MASK) >>
 489                                          RTE_IPV6_HDR_FL_SHIFT);
 490                 ipv6.val.traffic_class = (vtc_flow_val & RTE_IPV6_HDR_TC_MASK) >>
 491                                          RTE_IPV6_HDR_TC_SHIFT;
 492                 ipv6.val.next_hdr = spec->hdr.proto;
 493                 ipv6.val.hop_limit = spec->hdr.hop_limits;
 494                 ipv6.mask.flow_label =
 495                         rte_cpu_to_be_32((vtc_flow_mask & RTE_IPV6_HDR_FL_MASK) >>
 496                                          RTE_IPV6_HDR_FL_SHIFT);
 497                 ipv6.mask.traffic_class = (vtc_flow_mask & RTE_IPV6_HDR_TC_MASK) >>
 498                                           RTE_IPV6_HDR_TC_SHIFT;
 499                 ipv6.mask.next_hdr = mask->hdr.proto;
 500                 ipv6.mask.hop_limit = mask->hdr.hop_limits;
 501                 /* Remove unwanted bits from values. */
 502                 for (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {
 503                         ipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];
 504                         ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
 505                 }
 506                 ipv6.val.flow_label &= ipv6.mask.flow_label;
 507                 ipv6.val.traffic_class &= ipv6.mask.traffic_class;
 508                 ipv6.val.next_hdr &= ipv6.mask.next_hdr;
 509                 ipv6.val.hop_limit &= ipv6.mask.hop_limit;
 510         }
 511         flow_verbs_spec_add(&dev_flow->verbs, &ipv6, size);
 512 }
 513
 514 /**
 515  * Convert the @p item into a Verbs specification. This function assumes that
 516  * the input is valid and that there is space to insert the requested item
 517  * into the flow.
 518  *
 519  * @param[in, out] dev_flow
 520  *   Pointer to dev_flow structure.
 521  * @param[in] item
 522  *   Item specification.
 523  * @param[in] item_flags
 524  *   Parsed item flags.
 525  */
 526 static void
 527 flow_verbs_translate_item_tcp(struct mlx5_flow *dev_flow,
 528                               const struct rte_flow_item *item,
 529                               uint64_t item_flags __rte_unused)
 530 {
 531         const struct rte_flow_item_tcp *spec = item->spec;
 532         const struct rte_flow_item_tcp *mask = item->mask;
 533         unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
 534         struct ibv_flow_spec_tcp_udp tcp = {
 535                 .type = IBV_FLOW_SPEC_TCP | VERBS_SPEC_INNER(item_flags),
 536                 .size = size,
 537         };
 538
 539         if (!mask)
 540                 mask = &rte_flow_item_tcp_mask;
 541         if (spec) {
 542                 tcp.val.dst_port = spec->hdr.dst_port;
 543                 tcp.val.src_port = spec->hdr.src_port;
 544                 tcp.mask.dst_port = mask->hdr.dst_port;
 545                 tcp.mask.src_port = mask->hdr.src_port;
 546                 /* Remove unwanted bits from values. */
 547                 tcp.val.src_port &= tcp.mask.src_port;
 548                 tcp.val.dst_port &= tcp.mask.dst_port;
 549         }
 550         flow_verbs_spec_add(&dev_flow->verbs, &tcp, size);
 551 }
 552
 553 /**
 554  * Convert the @p item into a Verbs specification. This function assumes that
 555  * the input is valid and that there is space to insert the requested item
 556  * into the flow.
 557  *
 558  * @param[in, out] dev_flow
 559  *   Pointer to dev_flow structure.
 560  * @param[in] item
 561  *   Item specification.
 562  * @param[in] item_flags
 563  *   Parsed item flags.
 564  */
 565 static void
 566 flow_verbs_translate_item_udp(struct mlx5_flow *dev_flow,
 567                               const struct rte_flow_item *item,
 568                               uint64_t item_flags __rte_unused)
 569 {
 570         const struct rte_flow_item_udp *spec = item->spec;
 571         const struct rte_flow_item_udp *mask = item->mask;
 572         unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
 573         struct ibv_flow_spec_tcp_udp udp = {
 574                 .type = IBV_FLOW_SPEC_UDP | VERBS_SPEC_INNER(item_flags),
 575                 .size = size,
 576         };
 577
 578         if (!mask)
 579                 mask = &rte_flow_item_udp_mask;
 580         if (spec) {
 581                 udp.val.dst_port = spec->hdr.dst_port;
 582                 udp.val.src_port = spec->hdr.src_port;
 583                 udp.mask.dst_port = mask->hdr.dst_port;
 584                 udp.mask.src_port = mask->hdr.src_port;
 585                 /* Remove unwanted bits from values. */
 586                 udp.val.src_port &= udp.mask.src_port;
 587                 udp.val.dst_port &= udp.mask.dst_port;
 588         }
 589         flow_verbs_spec_add(&dev_flow->verbs, &udp, size);
 590 }
 591
 592 /**
 593  * Convert the @p item into a Verbs specification. This function assumes that
 594  * the input is valid and that there is space to insert the requested item
 595  * into the flow.
 596  *
 597  * @param[in, out] dev_flow
 598  *   Pointer to dev_flow structure.
 599  * @param[in] item
 600  *   Item specification.
 601  * @param[in] item_flags
 602  *   Parsed item flags.
 603  */
 604 static void
 605 flow_verbs_translate_item_vxlan(struct mlx5_flow *dev_flow,
 606                                 const struct rte_flow_item *item,
 607                                 uint64_t item_flags __rte_unused)
 608 {
 609         const struct rte_flow_item_vxlan *spec = item->spec;
 610         const struct rte_flow_item_vxlan *mask = item->mask;
 611         unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
 612         struct ibv_flow_spec_tunnel vxlan = {
 613                 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
 614                 .size = size,
 615         };
 616         union vni {
 617                 uint32_t vlan_id;
 618                 uint8_t vni[4];
 619         } id = { .vlan_id = 0, };
 620
 621         if (!mask)
 622                 mask = &rte_flow_item_vxlan_mask;
 623         if (spec) {
 624                 memcpy(&id.vni[1], spec->vni, 3);
 625                 vxlan.val.tunnel_id = id.vlan_id;
 626                 memcpy(&id.vni[1], mask->vni, 3);
 627                 vxlan.mask.tunnel_id = id.vlan_id;
 628                 /* Remove unwanted bits from values. */
 629                 vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
 630         }
 631         flow_verbs_spec_add(&dev_flow->verbs, &vxlan, size);
 632 }
 633
 634 /**
 635  * Convert the @p item into a Verbs specification. This function assumes that
 636  * the input is valid and that there is space to insert the requested item
 637  * into the flow.
 638  *
 639  * @param[in, out] dev_flow
 640  *   Pointer to dev_flow structure.
 641  * @param[in] item
 642  *   Item specification.
 643  * @param[in] item_flags
 644  *   Parsed item flags.
 645  */
 646 static void
 647 flow_verbs_translate_item_vxlan_gpe(struct mlx5_flow *dev_flow,
 648                                     const struct rte_flow_item *item,
 649                                     uint64_t item_flags __rte_unused)
 650 {
 651         const struct rte_flow_item_vxlan_gpe *spec = item->spec;
 652         const struct rte_flow_item_vxlan_gpe *mask = item->mask;
 653         unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
 654         struct ibv_flow_spec_tunnel vxlan_gpe = {
 655                 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
 656                 .size = size,
 657         };
 658         union vni {
 659                 uint32_t vlan_id;
 660                 uint8_t vni[4];
 661         } id = { .vlan_id = 0, };
 662
 663         if (!mask)
 664                 mask = &rte_flow_item_vxlan_gpe_mask;
 665         if (spec) {
 666                 memcpy(&id.vni[1], spec->vni, 3);
 667                 vxlan_gpe.val.tunnel_id = id.vlan_id;
 668                 memcpy(&id.vni[1], mask->vni, 3);
 669                 vxlan_gpe.mask.tunnel_id = id.vlan_id;
 670                 /* Remove unwanted bits from values. */
 671                 vxlan_gpe.val.tunnel_id &= vxlan_gpe.mask.tunnel_id;
 672         }
 673         flow_verbs_spec_add(&dev_flow->verbs, &vxlan_gpe, size);
 674 }
 675
 676 /**
 677  * Update the protocol in Verbs IPv4/IPv6 spec.
 678  *
 679  * @param[in, out] attr
 680  *   Pointer to Verbs attributes structure.
 681  * @param[in] search
 682  *   Specification type to search in order to update the IP protocol.
 683  * @param[in] protocol
 684  *   Protocol value to set if none is present in the specification.
 685  */
 686 static void
 687 flow_verbs_item_gre_ip_protocol_update(struct ibv_flow_attr *attr,
 688                                        enum ibv_flow_spec_type search,
 689                                        uint8_t protocol)
 690 {
 691         unsigned int i;
 692         struct ibv_spec_header *hdr = (struct ibv_spec_header *)
 693                 ((uint8_t *)attr + sizeof(struct ibv_flow_attr));
 694
 695         if (!attr)
 696                 return;
 697         for (i = 0; i != attr->num_of_specs; ++i) {
 698                 if (hdr->type == search) {
 699                         union {
 700                                 struct ibv_flow_spec_ipv4_ext *ipv4;
 701                                 struct ibv_flow_spec_ipv6 *ipv6;
 702                         } ip;
 703
 704                         switch (search) {
 705                         case IBV_FLOW_SPEC_IPV4_EXT:
 706                                 ip.ipv4 = (struct ibv_flow_spec_ipv4_ext *)hdr;
 707                                 if (!ip.ipv4->val.proto) {
 708                                         ip.ipv4->val.proto = protocol;
 709                                         ip.ipv4->mask.proto = 0xff;
 710                                 }
 711                                 break;
 712                         case IBV_FLOW_SPEC_IPV6:
 713                                 ip.ipv6 = (struct ibv_flow_spec_ipv6 *)hdr;
 714                                 if (!ip.ipv6->val.next_hdr) {
 715                                         ip.ipv6->val.next_hdr = protocol;
 716                                         ip.ipv6->mask.next_hdr = 0xff;
 717                                 }
 718                                 break;
 719                         default:
 720                                 break;
 721                         }
 722                         break;
 723                 }
 724                 hdr = (struct ibv_spec_header *)((uint8_t *)hdr + hdr->size);
 725         }
 726 }
 727
 728 /**
 729  * Convert the @p item into a Verbs specification. This function assumes that
 730  * the input is valid and that there is space to insert the requested item
 731  * into the flow.
 732  *
 733  * @param[in, out] dev_flow
 734  *   Pointer to dev_flow structure.
 735  * @param[in] item
 736  *   Item specification.
 737  * @param[in] item_flags
 738  *   Parsed item flags.
 739  */
 740 static void
 741 flow_verbs_translate_item_gre(struct mlx5_flow *dev_flow,
 742                               const struct rte_flow_item *item __rte_unused,
 743                               uint64_t item_flags)
 744 {
 745         struct mlx5_flow_verbs *verbs = &dev_flow->verbs;
 746 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
 747         unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
 748         struct ibv_flow_spec_tunnel tunnel = {
 749                 .type = IBV_FLOW_SPEC_VXLAN_TUNNEL,
 750                 .size = size,
 751         };
 752 #else
 753         const struct rte_flow_item_gre *spec = item->spec;
 754         const struct rte_flow_item_gre *mask = item->mask;
 755         unsigned int size = sizeof(struct ibv_flow_spec_gre);
 756         struct ibv_flow_spec_gre tunnel = {
 757                 .type = IBV_FLOW_SPEC_GRE,
 758                 .size = size,
 759         };
 760
 761         if (!mask)
 762                 mask = &rte_flow_item_gre_mask;
 763         if (spec) {
 764                 tunnel.val.c_ks_res0_ver = spec->c_rsvd0_ver;
 765                 tunnel.val.protocol = spec->protocol;
 766                 tunnel.mask.c_ks_res0_ver = mask->c_rsvd0_ver;
 767                 tunnel.mask.protocol = mask->protocol;
 768                 /* Remove unwanted bits from values. */
 769                 tunnel.val.c_ks_res0_ver &= tunnel.mask.c_ks_res0_ver;
 770                 tunnel.val.protocol &= tunnel.mask.protocol;
 771                 tunnel.val.key &= tunnel.mask.key;
 772         }
 773 #endif
 774         if (item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
 775                 flow_verbs_item_gre_ip_protocol_update(verbs->attr,
 776                                                        IBV_FLOW_SPEC_IPV4_EXT,
 777                                                        IPPROTO_GRE);
 778         else
 779                 flow_verbs_item_gre_ip_protocol_update(verbs->attr,
 780                                                        IBV_FLOW_SPEC_IPV6,
 781                                                        IPPROTO_GRE);
 782         flow_verbs_spec_add(verbs, &tunnel, size);
 783 }
 784
 785 /**
 786  * Convert the @p action into a Verbs specification. This function assumes that
 787  * the input is valid and that there is space to insert the requested action
 788  * into the flow. This function also return the action that was added.
 789  *
 790  * @param[in, out] dev_flow
 791  *   Pointer to dev_flow structure.
 792  * @param[in] item
 793  *   Item specification.
 794  * @param[in] item_flags
 795  *   Parsed item flags.
 796  */
 797 static void
 798 flow_verbs_translate_item_mpls(struct mlx5_flow *dev_flow __rte_unused,
 799                                const struct rte_flow_item *item __rte_unused,
 800                                uint64_t item_flags __rte_unused)
 801 {
 802 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
 803         const struct rte_flow_item_mpls *spec = item->spec;
 804         const struct rte_flow_item_mpls *mask = item->mask;
 805         unsigned int size = sizeof(struct ibv_flow_spec_mpls);
 806         struct ibv_flow_spec_mpls mpls = {
 807                 .type = IBV_FLOW_SPEC_MPLS,
 808                 .size = size,
 809         };
 810
 811         if (!mask)
 812                 mask = &rte_flow_item_mpls_mask;
 813         if (spec) {
 814                 memcpy(&mpls.val.label, spec, sizeof(mpls.val.label));
 815                 memcpy(&mpls.mask.label, mask, sizeof(mpls.mask.label));
 816                 /* Remove unwanted bits from values.  */
 817                 mpls.val.label &= mpls.mask.label;
 818         }
 819         flow_verbs_spec_add(&dev_flow->verbs, &mpls, size);
 820 #endif
 821 }
 822
 823 /**
 824  * Convert the @p action into a Verbs specification. This function assumes that
 825  * the input is valid and that there is space to insert the requested action
 826  * into the flow.
 827  *
 828  * @param[in] dev_flow
 829  *   Pointer to mlx5_flow.
 830  * @param[in] action
 831  *   Action configuration.
 832  */
 833 static void
 834 flow_verbs_translate_action_drop
 835         (struct mlx5_flow *dev_flow,
 836          const struct rte_flow_action *action __rte_unused)
 837 {
 838         unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
 839         struct ibv_flow_spec_action_drop drop = {
 840                         .type = IBV_FLOW_SPEC_ACTION_DROP,
 841                         .size = size,
 842         };
 843
 844         flow_verbs_spec_add(&dev_flow->verbs, &drop, size);
 845 }
 846
 847 /**
 848  * Convert the @p action into a Verbs specification. This function assumes that
 849  * the input is valid and that there is space to insert the requested action
 850  * into the flow.
 851  *
 852  * @param[in] dev_flow
 853  *   Pointer to mlx5_flow.
 854  * @param[in] action
 855  *   Action configuration.
 856  */
 857 static void
 858 flow_verbs_translate_action_queue(struct mlx5_flow *dev_flow,
 859                                   const struct rte_flow_action *action)
 860 {
 861         const struct rte_flow_action_queue *queue = action->conf;
 862         struct rte_flow *flow = dev_flow->flow;
 863
 864         if (flow->queue)
 865                 (*flow->queue)[0] = queue->index;
 866         flow->rss.queue_num = 1;
 867 }
 868
 869 /**
 870  * Convert the @p action into a Verbs specification. This function assumes that
 871  * the input is valid and that there is space to insert the requested action
 872  * into the flow.
 873  *
 874  * @param[in] action
 875  *   Action configuration.
 876  * @param[in, out] action_flags
 877  *   Pointer to the detected actions.
 878  * @param[in] dev_flow
 879  *   Pointer to mlx5_flow.
 880  */
 881 static void
 882 flow_verbs_translate_action_rss(struct mlx5_flow *dev_flow,
 883                                 const struct rte_flow_action *action)
 884 {
 885         const struct rte_flow_action_rss *rss = action->conf;
 886         const uint8_t *rss_key;
 887         struct rte_flow *flow = dev_flow->flow;
 888
 889         if (flow->queue)
 890                 memcpy((*flow->queue), rss->queue,
 891                        rss->queue_num * sizeof(uint16_t));
 892         flow->rss.queue_num = rss->queue_num;
 893         /* NULL RSS key indicates default RSS key. */
 894         rss_key = !rss->key ? rss_hash_default_key : rss->key;
 895         memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
 896         /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
 897         flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
 898         flow->rss.level = rss->level;
 899 }
 900
 901 /**
 902  * Convert the @p action into a Verbs specification. This function assumes that
 903  * the input is valid and that there is space to insert the requested action
 904  * into the flow.
 905  *
 906  * @param[in] dev_flow
 907  *   Pointer to mlx5_flow.
 908  * @param[in] action
 909  *   Action configuration.
 910  */
 911 static void
 912 flow_verbs_translate_action_flag
 913         (struct mlx5_flow *dev_flow,
 914          const struct rte_flow_action *action __rte_unused)
 915 {
 916         unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
 917         struct ibv_flow_spec_action_tag tag = {
 918                 .type = IBV_FLOW_SPEC_ACTION_TAG,
 919                 .size = size,
 920                 .tag_id = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT),
 921         };
 922
 923         flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
 924 }
 925
 926 /**
 927  * Convert the @p action into a Verbs specification. This function assumes that
 928  * the input is valid and that there is space to insert the requested action
 929  * into the flow.
 930  *
 931  * @param[in] dev_flow
 932  *   Pointer to mlx5_flow.
 933  * @param[in] action
 934  *   Action configuration.
 935  */
 936 static void
 937 flow_verbs_translate_action_mark(struct mlx5_flow *dev_flow,
 938                                  const struct rte_flow_action *action)
 939 {
 940         const struct rte_flow_action_mark *mark = action->conf;
 941         unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
 942         struct ibv_flow_spec_action_tag tag = {
 943                 .type = IBV_FLOW_SPEC_ACTION_TAG,
 944                 .size = size,
 945                 .tag_id = mlx5_flow_mark_set(mark->id),
 946         };
 947
 948         flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
 949 }
 950
 951 /**
 952  * Convert the @p action into a Verbs specification. This function assumes that
 953  * the input is valid and that there is space to insert the requested action
 954  * into the flow.
 955  *
 956  * @param[in] dev
 957  *   Pointer to the Ethernet device structure.
 958  * @param[in] action
 959  *   Action configuration.
 960  * @param[in] dev_flow
 961  *   Pointer to mlx5_flow.
 962  * @param[out] error
 963  *   Pointer to error structure.
 964  *
 965  * @return
 966  *   0 On success else a negative errno value is returned and rte_errno is set.
 967  */
 968 static int
 969 flow_verbs_translate_action_count(struct mlx5_flow *dev_flow,
 970                                   const struct rte_flow_action *action,
 971                                   struct rte_eth_dev *dev,
 972                                   struct rte_flow_error *error)
 973 {
 974         const struct rte_flow_action_count *count = action->conf;
 975         struct rte_flow *flow = dev_flow->flow;
 976 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
 977         defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
 978         unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
 979         struct ibv_flow_spec_counter_action counter = {
 980                 .type = IBV_FLOW_SPEC_ACTION_COUNT,
 981                 .size = size,
 982         };
 983 #endif
 984
 985         if (!flow->counter) {
 986                 flow->counter = flow_verbs_counter_new(dev, count->shared,
 987                                                        count->id);
 988                 if (!flow->counter)
 989                         return rte_flow_error_set(error, rte_errno,
 990                                                   RTE_FLOW_ERROR_TYPE_ACTION,
 991                                                   action,
 992                                                   "cannot get counter"
 993                                                   " context.");
 994         }
 995 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
 996         counter.counter_set_handle = flow->counter->cs->handle;
 997         flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
 998 #elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
 999         counter.counters = flow->counter->cs;
1000         flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
1001 #endif
1002         return 0;
1003 }
1004
1005 /**
1006  * Internal validation function. For validating both actions and items.
1007  *
1008  * @param[in] dev
1009  *   Pointer to the Ethernet device structure.
1010  * @param[in] attr
1011  *   Pointer to the flow attributes.
1012  * @param[in] items
1013  *   Pointer to the list of items.
1014  * @param[in] actions
1015  *   Pointer to the list of actions.
1016  * @param[out] error
1017  *   Pointer to the error structure.
1018  *
1019  * @return
1020  *   0 on success, a negative errno value otherwise and rte_errno is set.
1021  */
1022 static int
1023 flow_verbs_validate(struct rte_eth_dev *dev,
1024                     const struct rte_flow_attr *attr,
1025                     const struct rte_flow_item items[],
1026                     const struct rte_flow_action actions[],
1027                     struct rte_flow_error *error)
1028 {
1029         int ret;
1030         uint64_t action_flags = 0;
1031         uint64_t item_flags = 0;
1032         uint64_t last_item = 0;
1033         uint8_t next_protocol = 0xff;
1034
1035         if (items == NULL)
1036                 return -1;
1037         ret = mlx5_flow_validate_attributes(dev, attr, error);
1038         if (ret < 0)
1039                 return ret;
1040         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1041                 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1042                 int ret = 0;
1043
1044                 switch (items->type) {
1045                 case RTE_FLOW_ITEM_TYPE_VOID:
1046                         break;
1047                 case RTE_FLOW_ITEM_TYPE_ETH:
1048                         ret = mlx5_flow_validate_item_eth(items, item_flags,
1049                                                           error);
1050                         if (ret < 0)
1051                                 return ret;
1052                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1053                                              MLX5_FLOW_LAYER_OUTER_L2;
1054                         break;
1055                 case RTE_FLOW_ITEM_TYPE_VLAN:
1056                         ret = mlx5_flow_validate_item_vlan(items, item_flags,
1057                                                            error);
1058                         if (ret < 0)
1059                                 return ret;
1060                         last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
1061                                               MLX5_FLOW_LAYER_INNER_VLAN) :
1062                                              (MLX5_FLOW_LAYER_OUTER_L2 |
1063                                               MLX5_FLOW_LAYER_OUTER_VLAN);
1064                         break;
1065                 case RTE_FLOW_ITEM_TYPE_IPV4:
1066                         ret = mlx5_flow_validate_item_ipv4(items, item_flags,
1067                                                            NULL, error);
1068                         if (ret < 0)
1069                                 return ret;
1070                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1071                                              MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1072                         if (items->mask != NULL &&
1073                             ((const struct rte_flow_item_ipv4 *)
1074                              items->mask)->hdr.next_proto_id) {
1075                                 next_protocol =
1076                                         ((const struct rte_flow_item_ipv4 *)
1077                                          (items->spec))->hdr.next_proto_id;
1078                                 next_protocol &=
1079                                         ((const struct rte_flow_item_ipv4 *)
1080                                          (items->mask))->hdr.next_proto_id;
1081                         } else {
1082                                 /* Reset for inner layer. */
1083                                 next_protocol = 0xff;
1084                         }
1085                         break;
1086                 case RTE_FLOW_ITEM_TYPE_IPV6:
1087                         ret = mlx5_flow_validate_item_ipv6(items, item_flags,
1088                                                            NULL, error);
1089                         if (ret < 0)
1090                                 return ret;
1091                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1092                                              MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1093                         if (items->mask != NULL &&
1094                             ((const struct rte_flow_item_ipv6 *)
1095                              items->mask)->hdr.proto) {
1096                                 next_protocol =
1097                                         ((const struct rte_flow_item_ipv6 *)
1098                                          items->spec)->hdr.proto;
1099                                 next_protocol &=
1100                                         ((const struct rte_flow_item_ipv6 *)
1101                                          items->mask)->hdr.proto;
1102                         } else {
1103                                 /* Reset for inner layer. */
1104                                 next_protocol = 0xff;
1105                         }
1106                         break;
1107                 case RTE_FLOW_ITEM_TYPE_UDP:
1108                         ret = mlx5_flow_validate_item_udp(items, item_flags,
1109                                                           next_protocol,
1110                                                           error);
1111                         if (ret < 0)
1112                                 return ret;
1113                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
1114                                              MLX5_FLOW_LAYER_OUTER_L4_UDP;
1115                         break;
1116                 case RTE_FLOW_ITEM_TYPE_TCP:
1117                         ret = mlx5_flow_validate_item_tcp
1118                                                 (items, item_flags,
1119                                                  next_protocol,
1120                                                  &rte_flow_item_tcp_mask,
1121                                                  error);
1122                         if (ret < 0)
1123                                 return ret;
1124                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
1125                                              MLX5_FLOW_LAYER_OUTER_L4_TCP;
1126                         break;
1127                 case RTE_FLOW_ITEM_TYPE_VXLAN:
1128                         ret = mlx5_flow_validate_item_vxlan(items, item_flags,
1129                                                             error);
1130                         if (ret < 0)
1131                                 return ret;
1132                         last_item = MLX5_FLOW_LAYER_VXLAN;
1133                         break;
1134                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1135                         ret = mlx5_flow_validate_item_vxlan_gpe(items,
1136                                                                 item_flags,
1137                                                                 dev, error);
1138                         if (ret < 0)
1139                                 return ret;
1140                         last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
1141                         break;
1142                 case RTE_FLOW_ITEM_TYPE_GRE:
1143                         ret = mlx5_flow_validate_item_gre(items, item_flags,
1144                                                           next_protocol, error);
1145                         if (ret < 0)
1146                                 return ret;
1147                         last_item = MLX5_FLOW_LAYER_GRE;
1148                         break;
1149                 case RTE_FLOW_ITEM_TYPE_MPLS:
1150                         ret = mlx5_flow_validate_item_mpls(dev, items,
1151                                                            item_flags,
1152                                                            last_item, error);
1153                         if (ret < 0)
1154                                 return ret;
1155                         last_item = MLX5_FLOW_LAYER_MPLS;
1156                         break;
1157                 default:
1158                         return rte_flow_error_set(error, ENOTSUP,
1159                                                   RTE_FLOW_ERROR_TYPE_ITEM,
1160                                                   NULL, "item not supported");
1161                 }
1162                 item_flags |= last_item;
1163         }
1164         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1165                 switch (actions->type) {
1166                 case RTE_FLOW_ACTION_TYPE_VOID:
1167                         break;
1168                 case RTE_FLOW_ACTION_TYPE_FLAG:
1169                         ret = mlx5_flow_validate_action_flag(action_flags,
1170                                                              attr,
1171                                                              error);
1172                         if (ret < 0)
1173                                 return ret;
1174                         action_flags |= MLX5_FLOW_ACTION_FLAG;
1175                         break;
1176                 case RTE_FLOW_ACTION_TYPE_MARK:
1177                         ret = mlx5_flow_validate_action_mark(actions,
1178                                                              action_flags,
1179                                                              attr,
1180                                                              error);
1181                         if (ret < 0)
1182                                 return ret;
1183                         action_flags |= MLX5_FLOW_ACTION_MARK;
1184                         break;
1185                 case RTE_FLOW_ACTION_TYPE_DROP:
1186                         ret = mlx5_flow_validate_action_drop(action_flags,
1187                                                              attr,
1188                                                              error);
1189                         if (ret < 0)
1190                                 return ret;
1191                         action_flags |= MLX5_FLOW_ACTION_DROP;
1192                         break;
1193                 case RTE_FLOW_ACTION_TYPE_QUEUE:
1194                         ret = mlx5_flow_validate_action_queue(actions,
1195                                                               action_flags, dev,
1196                                                               attr,
1197                                                               error);
1198                         if (ret < 0)
1199                                 return ret;
1200                         action_flags |= MLX5_FLOW_ACTION_QUEUE;
1201                         break;
1202                 case RTE_FLOW_ACTION_TYPE_RSS:
1203                         ret = mlx5_flow_validate_action_rss(actions,
1204                                                             action_flags, dev,
1205                                                             attr, item_flags,
1206                                                             error);
1207                         if (ret < 0)
1208                                 return ret;
1209                         action_flags |= MLX5_FLOW_ACTION_RSS;
1210                         break;
1211                 case RTE_FLOW_ACTION_TYPE_COUNT:
1212                         ret = mlx5_flow_validate_action_count(dev, attr, error);
1213                         if (ret < 0)
1214                                 return ret;
1215                         action_flags |= MLX5_FLOW_ACTION_COUNT;
1216                         break;
1217                 default:
1218                         return rte_flow_error_set(error, ENOTSUP,
1219                                                   RTE_FLOW_ERROR_TYPE_ACTION,
1220                                                   actions,
1221                                                   "action not supported");
1222                 }
1223         }
1224         if (!(action_flags & MLX5_FLOW_FATE_ACTIONS))
1225                 return rte_flow_error_set(error, EINVAL,
1226                                           RTE_FLOW_ERROR_TYPE_ACTION, actions,
1227                                           "no fate action is found");
1228         return 0;
1229 }
1230
1231 /**
1232  * Calculate the required bytes that are needed for the action part of the verbs
1233  * flow.
1234  *
1235  * @param[in] actions
1236  *   Pointer to the list of actions.
1237  *
1238  * @return
1239  *   The size of the memory needed for all actions.
1240  */
1241 static int
1242 flow_verbs_get_actions_size(const struct rte_flow_action actions[])
1243 {
1244         int size = 0;
1245
1246         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1247                 switch (actions->type) {
1248                 case RTE_FLOW_ACTION_TYPE_VOID:
1249                         break;
1250                 case RTE_FLOW_ACTION_TYPE_FLAG:
1251                         size += sizeof(struct ibv_flow_spec_action_tag);
1252                         break;
1253                 case RTE_FLOW_ACTION_TYPE_MARK:
1254                         size += sizeof(struct ibv_flow_spec_action_tag);
1255                         break;
1256                 case RTE_FLOW_ACTION_TYPE_DROP:
1257                         size += sizeof(struct ibv_flow_spec_action_drop);
1258                         break;
1259                 case RTE_FLOW_ACTION_TYPE_QUEUE:
1260                         break;
1261                 case RTE_FLOW_ACTION_TYPE_RSS:
1262                         break;
1263                 case RTE_FLOW_ACTION_TYPE_COUNT:
1264 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
1265         defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
1266                         size += sizeof(struct ibv_flow_spec_counter_action);
1267 #endif
1268                         break;
1269                 default:
1270                         break;
1271                 }
1272         }
1273         return size;
1274 }
1275
1276 /**
1277  * Calculate the required bytes that are needed for the item part of the verbs
1278  * flow.
1279  *
1280  * @param[in] items
1281  *   Pointer to the list of items.
1282  *
1283  * @return
1284  *   The size of the memory needed for all items.
1285  */
1286 static int
1287 flow_verbs_get_items_size(const struct rte_flow_item items[])
1288 {
1289         int size = 0;
1290
1291         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1292                 switch (items->type) {
1293                 case RTE_FLOW_ITEM_TYPE_VOID:
1294                         break;
1295                 case RTE_FLOW_ITEM_TYPE_ETH:
1296                         size += sizeof(struct ibv_flow_spec_eth);
1297                         break;
1298                 case RTE_FLOW_ITEM_TYPE_VLAN:
1299                         size += sizeof(struct ibv_flow_spec_eth);
1300                         break;
1301                 case RTE_FLOW_ITEM_TYPE_IPV4:
1302                         size += sizeof(struct ibv_flow_spec_ipv4_ext);
1303                         break;
1304                 case RTE_FLOW_ITEM_TYPE_IPV6:
1305                         size += sizeof(struct ibv_flow_spec_ipv6);
1306                         break;
1307                 case RTE_FLOW_ITEM_TYPE_UDP:
1308                         size += sizeof(struct ibv_flow_spec_tcp_udp);
1309                         break;
1310                 case RTE_FLOW_ITEM_TYPE_TCP:
1311                         size += sizeof(struct ibv_flow_spec_tcp_udp);
1312                         break;
1313                 case RTE_FLOW_ITEM_TYPE_VXLAN:
1314                         size += sizeof(struct ibv_flow_spec_tunnel);
1315                         break;
1316                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1317                         size += sizeof(struct ibv_flow_spec_tunnel);
1318                         break;
1319 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1320                 case RTE_FLOW_ITEM_TYPE_GRE:
1321                         size += sizeof(struct ibv_flow_spec_gre);
1322                         break;
1323                 case RTE_FLOW_ITEM_TYPE_MPLS:
1324                         size += sizeof(struct ibv_flow_spec_mpls);
1325                         break;
1326 #else
1327                 case RTE_FLOW_ITEM_TYPE_GRE:
1328                         size += sizeof(struct ibv_flow_spec_tunnel);
1329                         break;
1330 #endif
1331                 default:
1332                         break;
1333                 }
1334         }
1335         return size;
1336 }
1337
1338 /**
1339  * Internal preparation function. Allocate mlx5_flow with the required size.
1340  * The required size is calculate based on the actions and items. This function
1341  * also returns the detected actions and items for later use.
1342  *
1343  * @param[in] attr
1344  *   Pointer to the flow attributes.
1345  * @param[in] items
1346  *   Pointer to the list of items.
1347  * @param[in] actions
1348  *   Pointer to the list of actions.
1349  * @param[out] error
1350  *   Pointer to the error structure.
1351  *
1352  * @return
1353  *   Pointer to mlx5_flow object on success, otherwise NULL and rte_errno
1354  *   is set.
1355  */
1356 static struct mlx5_flow *
1357 flow_verbs_prepare(const struct rte_flow_attr *attr __rte_unused,
1358                    const struct rte_flow_item items[],
1359                    const struct rte_flow_action actions[],
1360                    struct rte_flow_error *error)
1361 {
1362         uint32_t size = sizeof(struct mlx5_flow) + sizeof(struct ibv_flow_attr);
1363         struct mlx5_flow *flow;
1364
1365         size += flow_verbs_get_actions_size(actions);
1366         size += flow_verbs_get_items_size(items);
1367         flow = rte_calloc(__func__, 1, size, 0);
1368         if (!flow) {
1369                 rte_flow_error_set(error, ENOMEM,
1370                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1371                                    "not enough memory to create flow");
1372                 return NULL;
1373         }
1374         flow->verbs.attr = (void *)(flow + 1);
1375         flow->verbs.specs =
1376                 (uint8_t *)(flow + 1) + sizeof(struct ibv_flow_attr);
1377         return flow;
1378 }
1379
1380 /**
1381  * Fill the flow with verb spec.
1382  *
1383  * @param[in] dev
1384  *   Pointer to Ethernet device.
1385  * @param[in, out] dev_flow
1386  *   Pointer to the mlx5 flow.
1387  * @param[in] attr
1388  *   Pointer to the flow attributes.
1389  * @param[in] items
1390  *   Pointer to the list of items.
1391  * @param[in] actions
1392  *   Pointer to the list of actions.
1393  * @param[out] error
1394  *   Pointer to the error structure.
1395  *
1396  * @return
1397  *   0 on success, else a negative errno value otherwise and rte_errno is set.
1398  */
1399 static int
1400 flow_verbs_translate(struct rte_eth_dev *dev,
1401                      struct mlx5_flow *dev_flow,
1402                      const struct rte_flow_attr *attr,
1403                      const struct rte_flow_item items[],
1404                      const struct rte_flow_action actions[],
1405                      struct rte_flow_error *error)
1406 {
1407         struct rte_flow *flow = dev_flow->flow;
1408         uint64_t item_flags = 0;
1409         uint64_t action_flags = 0;
1410         uint64_t priority = attr->priority;
1411         uint32_t subpriority = 0;
1412         struct mlx5_priv *priv = dev->data->dev_private;
1413
1414         if (priority == MLX5_FLOW_PRIO_RSVD)
1415                 priority = priv->config.flow_prio - 1;
1416         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1417                 int ret;
1418
1419                 switch (actions->type) {
1420                 case RTE_FLOW_ACTION_TYPE_VOID:
1421                         break;
1422                 case RTE_FLOW_ACTION_TYPE_FLAG:
1423                         flow_verbs_translate_action_flag(dev_flow, actions);
1424                         action_flags |= MLX5_FLOW_ACTION_FLAG;
1425                         break;
1426                 case RTE_FLOW_ACTION_TYPE_MARK:
1427                         flow_verbs_translate_action_mark(dev_flow, actions);
1428                         action_flags |= MLX5_FLOW_ACTION_MARK;
1429                         break;
1430                 case RTE_FLOW_ACTION_TYPE_DROP:
1431                         flow_verbs_translate_action_drop(dev_flow, actions);
1432                         action_flags |= MLX5_FLOW_ACTION_DROP;
1433                         break;
1434                 case RTE_FLOW_ACTION_TYPE_QUEUE:
1435                         flow_verbs_translate_action_queue(dev_flow, actions);
1436                         action_flags |= MLX5_FLOW_ACTION_QUEUE;
1437                         break;
1438                 case RTE_FLOW_ACTION_TYPE_RSS:
1439                         flow_verbs_translate_action_rss(dev_flow, actions);
1440                         action_flags |= MLX5_FLOW_ACTION_RSS;
1441                         break;
1442                 case RTE_FLOW_ACTION_TYPE_COUNT:
1443                         ret = flow_verbs_translate_action_count(dev_flow,
1444                                                                 actions,
1445                                                                 dev, error);
1446                         if (ret < 0)
1447                                 return ret;
1448                         action_flags |= MLX5_FLOW_ACTION_COUNT;
1449                         break;
1450                 default:
1451                         return rte_flow_error_set(error, ENOTSUP,
1452                                                   RTE_FLOW_ERROR_TYPE_ACTION,
1453                                                   actions,
1454                                                   "action not supported");
1455                 }
1456         }
1457         flow->actions = action_flags;
1458         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1459                 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
1460
1461                 switch (items->type) {
1462                 case RTE_FLOW_ITEM_TYPE_VOID:
1463                         break;
1464                 case RTE_FLOW_ITEM_TYPE_ETH:
1465                         flow_verbs_translate_item_eth(dev_flow, items,
1466                                                       item_flags);
1467                         subpriority = MLX5_PRIORITY_MAP_L2;
1468                         item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
1469                                                MLX5_FLOW_LAYER_OUTER_L2;
1470                         break;
1471                 case RTE_FLOW_ITEM_TYPE_VLAN:
1472                         flow_verbs_translate_item_vlan(dev_flow, items,
1473                                                        item_flags);
1474                         subpriority = MLX5_PRIORITY_MAP_L2;
1475                         item_flags |= tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
1476                                                 MLX5_FLOW_LAYER_INNER_VLAN) :
1477                                                (MLX5_FLOW_LAYER_OUTER_L2 |
1478                                                 MLX5_FLOW_LAYER_OUTER_VLAN);
1479                         break;
1480                 case RTE_FLOW_ITEM_TYPE_IPV4:
1481                         flow_verbs_translate_item_ipv4(dev_flow, items,
1482                                                        item_flags);
1483                         subpriority = MLX5_PRIORITY_MAP_L3;
1484                         dev_flow->verbs.hash_fields |=
1485                                 mlx5_flow_hashfields_adjust
1486                                         (dev_flow, tunnel,
1487                                          MLX5_IPV4_LAYER_TYPES,
1488                                          MLX5_IPV4_IBV_RX_HASH);
1489                         item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
1490                                                MLX5_FLOW_LAYER_OUTER_L3_IPV4;
1491                         break;
1492                 case RTE_FLOW_ITEM_TYPE_IPV6:
1493                         flow_verbs_translate_item_ipv6(dev_flow, items,
1494                                                        item_flags);
1495                         subpriority = MLX5_PRIORITY_MAP_L3;
1496                         dev_flow->verbs.hash_fields |=
1497                                 mlx5_flow_hashfields_adjust
1498                                         (dev_flow, tunnel,
1499                                          MLX5_IPV6_LAYER_TYPES,
1500                                          MLX5_IPV6_IBV_RX_HASH);
1501                         item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
1502                                                MLX5_FLOW_LAYER_OUTER_L3_IPV6;
1503                         break;
1504                 case RTE_FLOW_ITEM_TYPE_TCP:
1505                         flow_verbs_translate_item_tcp(dev_flow, items,
1506                                                       item_flags);
1507                         subpriority = MLX5_PRIORITY_MAP_L4;
1508                         dev_flow->verbs.hash_fields |=
1509                                 mlx5_flow_hashfields_adjust
1510                                         (dev_flow, tunnel, ETH_RSS_TCP,
1511                                          (IBV_RX_HASH_SRC_PORT_TCP |
1512                                           IBV_RX_HASH_DST_PORT_TCP));
1513                         item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
1514                                                MLX5_FLOW_LAYER_OUTER_L4_TCP;
1515                         break;
1516                 case RTE_FLOW_ITEM_TYPE_UDP:
1517                         flow_verbs_translate_item_udp(dev_flow, items,
1518                                                       item_flags);
1519                         subpriority = MLX5_PRIORITY_MAP_L4;
1520                         dev_flow->verbs.hash_fields |=
1521                                 mlx5_flow_hashfields_adjust
1522                                         (dev_flow, tunnel, ETH_RSS_UDP,
1523                                          (IBV_RX_HASH_SRC_PORT_UDP |
1524                                           IBV_RX_HASH_DST_PORT_UDP));
1525                         item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
1526                                                MLX5_FLOW_LAYER_OUTER_L4_UDP;
1527                         break;
1528                 case RTE_FLOW_ITEM_TYPE_VXLAN:
1529                         flow_verbs_translate_item_vxlan(dev_flow, items,
1530                                                         item_flags);
1531                         subpriority = MLX5_PRIORITY_MAP_L2;
1532                         item_flags |= MLX5_FLOW_LAYER_VXLAN;
1533                         break;
1534                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
1535                         flow_verbs_translate_item_vxlan_gpe(dev_flow, items,
1536                                                             item_flags);
1537                         subpriority = MLX5_PRIORITY_MAP_L2;
1538                         item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
1539                         break;
1540                 case RTE_FLOW_ITEM_TYPE_GRE:
1541                         flow_verbs_translate_item_gre(dev_flow, items,
1542                                                       item_flags);
1543                         subpriority = MLX5_PRIORITY_MAP_L2;
1544                         item_flags |= MLX5_FLOW_LAYER_GRE;
1545                         break;
1546                 case RTE_FLOW_ITEM_TYPE_MPLS:
1547                         flow_verbs_translate_item_mpls(dev_flow, items,
1548                                                        item_flags);
1549                         subpriority = MLX5_PRIORITY_MAP_L2;
1550                         item_flags |= MLX5_FLOW_LAYER_MPLS;
1551                         break;
1552                 default:
1553                         return rte_flow_error_set(error, ENOTSUP,
1554                                                   RTE_FLOW_ERROR_TYPE_ITEM,
1555                                                   NULL,
1556                                                   "item not supported");
1557                 }
1558         }
1559         dev_flow->layers = item_flags;
1560         dev_flow->verbs.attr->priority =
1561                 mlx5_flow_adjust_priority(dev, priority, subpriority);
1562         dev_flow->verbs.attr->port = (uint8_t)priv->ibv_port;
1563         return 0;
1564 }
1565
1566 /**
1567  * Remove the flow from the NIC but keeps it in memory.
1568  *
1569  * @param[in] dev
1570  *   Pointer to the Ethernet device structure.
1571  * @param[in, out] flow
1572  *   Pointer to flow structure.
1573  */
1574 static void
1575 flow_verbs_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
1576 {
1577         struct mlx5_flow_verbs *verbs;
1578         struct mlx5_flow *dev_flow;
1579
1580         if (!flow)
1581                 return;
1582         LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1583                 verbs = &dev_flow->verbs;
1584                 if (verbs->flow) {
1585                         claim_zero(mlx5_glue->destroy_flow(verbs->flow));
1586                         verbs->flow = NULL;
1587                 }
1588                 if (verbs->hrxq) {
1589                         if (flow->actions & MLX5_FLOW_ACTION_DROP)
1590                                 mlx5_hrxq_drop_release(dev);
1591                         else
1592                                 mlx5_hrxq_release(dev, verbs->hrxq);
1593                         verbs->hrxq = NULL;
1594                 }
1595         }
1596 }
1597
1598 /**
1599  * Remove the flow from the NIC and the memory.
1600  *
1601  * @param[in] dev
1602  *   Pointer to the Ethernet device structure.
1603  * @param[in, out] flow
1604  *   Pointer to flow structure.
1605  */
1606 static void
1607 flow_verbs_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
1608 {
1609         struct mlx5_flow *dev_flow;
1610
1611         if (!flow)
1612                 return;
1613         flow_verbs_remove(dev, flow);
1614         while (!LIST_EMPTY(&flow->dev_flows)) {
1615                 dev_flow = LIST_FIRST(&flow->dev_flows);
1616                 LIST_REMOVE(dev_flow, next);
1617                 rte_free(dev_flow);
1618         }
1619         if (flow->counter) {
1620                 flow_verbs_counter_release(dev, flow->counter);
1621                 flow->counter = NULL;
1622         }
1623 }
1624
1625 /**
1626  * Apply the flow to the NIC.
1627  *
1628  * @param[in] dev
1629  *   Pointer to the Ethernet device structure.
1630  * @param[in, out] flow
1631  *   Pointer to flow structure.
1632  * @param[out] error
1633  *   Pointer to error structure.
1634  *
1635  * @return
1636  *   0 on success, a negative errno value otherwise and rte_errno is set.
1637  */
1638 static int
1639 flow_verbs_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
1640                  struct rte_flow_error *error)
1641 {
1642         struct mlx5_flow_verbs *verbs;
1643         struct mlx5_flow *dev_flow;
1644         int err;
1645
1646         LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1647                 verbs = &dev_flow->verbs;
1648                 if (flow->actions & MLX5_FLOW_ACTION_DROP) {
1649                         verbs->hrxq = mlx5_hrxq_drop_new(dev);
1650                         if (!verbs->hrxq) {
1651                                 rte_flow_error_set
1652                                         (error, errno,
1653                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1654                                          "cannot get drop hash queue");
1655                                 goto error;
1656                         }
1657                 } else {
1658                         struct mlx5_hrxq *hrxq;
1659
1660                         hrxq = mlx5_hrxq_get(dev, flow->key,
1661                                              MLX5_RSS_HASH_KEY_LEN,
1662                                              verbs->hash_fields,
1663                                              (*flow->queue),
1664                                              flow->rss.queue_num);
1665                         if (!hrxq)
1666                                 hrxq = mlx5_hrxq_new(dev, flow->key,
1667                                                      MLX5_RSS_HASH_KEY_LEN,
1668                                                      verbs->hash_fields,
1669                                                      (*flow->queue),
1670                                                      flow->rss.queue_num,
1671                                                      !!(dev_flow->layers &
1672                                                       MLX5_FLOW_LAYER_TUNNEL));
1673                         if (!hrxq) {
1674                                 rte_flow_error_set
1675                                         (error, rte_errno,
1676                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1677                                          "cannot get hash queue");
1678                                 goto error;
1679                         }
1680                         verbs->hrxq = hrxq;
1681                 }
1682                 verbs->flow = mlx5_glue->create_flow(verbs->hrxq->qp,
1683                                                      verbs->attr);
1684                 if (!verbs->flow) {
1685                         rte_flow_error_set(error, errno,
1686                                            RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1687                                            NULL,
1688                                            "hardware refuses to create flow");
1689                         goto error;
1690                 }
1691         }
1692         return 0;
1693 error:
1694         err = rte_errno; /* Save rte_errno before cleanup. */
1695         LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
1696                 verbs = &dev_flow->verbs;
1697                 if (verbs->hrxq) {
1698                         if (flow->actions & MLX5_FLOW_ACTION_DROP)
1699                                 mlx5_hrxq_drop_release(dev);
1700                         else
1701                                 mlx5_hrxq_release(dev, verbs->hrxq);
1702                         verbs->hrxq = NULL;
1703                 }
1704         }
1705         rte_errno = err; /* Restore rte_errno. */
1706         return -rte_errno;
1707 }
1708
1709 /**
1710  * Query a flow.
1711  *
1712  * @see rte_flow_query()
1713  * @see rte_flow_ops
1714  */
1715 static int
1716 flow_verbs_query(struct rte_eth_dev *dev,
1717                  struct rte_flow *flow,
1718                  const struct rte_flow_action *actions,
1719                  void *data,
1720                  struct rte_flow_error *error)
1721 {
1722         int ret = -EINVAL;
1723
1724         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1725                 switch (actions->type) {
1726                 case RTE_FLOW_ACTION_TYPE_VOID:
1727                         break;
1728                 case RTE_FLOW_ACTION_TYPE_COUNT:
1729                         ret = flow_verbs_counter_query(dev, flow, data, error);
1730                         break;
1731                 default:
1732                         return rte_flow_error_set(error, ENOTSUP,
1733                                                   RTE_FLOW_ERROR_TYPE_ACTION,
1734                                                   actions,
1735                                                   "action not supported");
1736                 }
1737         }
1738         return ret;
1739 }
1740
1741 const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops = {
1742         .validate = flow_verbs_validate,
1743         .prepare = flow_verbs_prepare,
1744         .translate = flow_verbs_translate,
1745         .apply = flow_verbs_apply,
1746         .remove = flow_verbs_remove,
1747         .destroy = flow_verbs_destroy,
1748         .query = flow_verbs_query,
1749 };