drivers/net/mlx5/mlx5_flow_dv.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2018 Mellanox Technologies, Ltd
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdalign.h>
   7 #include <stdint.h>
   8 #include <string.h>
   9 #include <unistd.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_cycles.h>
  28 #include <rte_ip.h>
  29 #include <rte_gre.h>
  30 #include <rte_vxlan.h>
  31 #include <rte_gtp.h>
  32
  33 #include <mlx5_glue.h>
  34 #include <mlx5_devx_cmds.h>
  35 #include <mlx5_prm.h>
  36
  37 #include "mlx5_defs.h"
  38 #include "mlx5.h"
  39 #include "mlx5_flow.h"
  40 #include "mlx5_rxtx.h"
  41
  42 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
  43
  44 #ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
  45 #define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
  46 #endif
  47
  48 #ifndef HAVE_MLX5DV_DR_ESWITCH
  49 #ifndef MLX5DV_FLOW_TABLE_TYPE_FDB
  50 #define MLX5DV_FLOW_TABLE_TYPE_FDB 0
  51 #endif
  52 #endif
  53
  54 #ifndef HAVE_MLX5DV_DR
  55 #define MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL 1
  56 #endif
  57
  58 /* VLAN header definitions */
  59 #define MLX5DV_FLOW_VLAN_PCP_SHIFT 13
  60 #define MLX5DV_FLOW_VLAN_PCP_MASK (0x7 << MLX5DV_FLOW_VLAN_PCP_SHIFT)
  61 #define MLX5DV_FLOW_VLAN_VID_MASK 0x0fff
  62 #define MLX5DV_FLOW_VLAN_PCP_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK)
  63 #define MLX5DV_FLOW_VLAN_VID_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_VID_MASK)
  64
  65 union flow_dv_attr {
  66         struct {
  67                 uint32_t valid:1;
  68                 uint32_t ipv4:1;
  69                 uint32_t ipv6:1;
  70                 uint32_t tcp:1;
  71                 uint32_t udp:1;
  72                 uint32_t reserved:27;
  73         };
  74         uint32_t attr;
  75 };
  76
  77 static int
  78 flow_dv_tbl_resource_release(struct rte_eth_dev *dev,
  79                              struct mlx5_flow_tbl_resource *tbl);
  80
  81 /**
  82  * Initialize flow attributes structure according to flow items' types.
  83  *
  84  * flow_dv_validate() avoids multiple L3/L4 layers cases other than tunnel
  85  * mode. For tunnel mode, the items to be modified are the outermost ones.
  86  *
  87  * @param[in] item
  88  *   Pointer to item specification.
  89  * @param[out] attr
  90  *   Pointer to flow attributes structure.
  91  * @param[in] dev_flow
  92  *   Pointer to the sub flow.
  93  * @param[in] tunnel_decap
  94  *   Whether action is after tunnel decapsulation.
  95  */
  96 static void
  97 flow_dv_attr_init(const struct rte_flow_item *item, union flow_dv_attr *attr,
  98                   struct mlx5_flow *dev_flow, bool tunnel_decap)
  99 {
 100         uint64_t layers = dev_flow->handle->layers;
 101
 102         /*
 103          * If layers is already initialized, it means this dev_flow is the
 104          * suffix flow, the layers flags is set by the prefix flow. Need to
 105          * use the layer flags from prefix flow as the suffix flow may not
 106          * have the user defined items as the flow is split.
 107          */
 108         if (layers) {
 109                 if (layers & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
 110                         attr->ipv4 = 1;
 111                 else if (layers & MLX5_FLOW_LAYER_OUTER_L3_IPV6)
 112                         attr->ipv6 = 1;
 113                 if (layers & MLX5_FLOW_LAYER_OUTER_L4_TCP)
 114                         attr->tcp = 1;
 115                 else if (layers & MLX5_FLOW_LAYER_OUTER_L4_UDP)
 116                         attr->udp = 1;
 117                 attr->valid = 1;
 118                 return;
 119         }
 120         for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 121                 uint8_t next_protocol = 0xff;
 122                 switch (item->type) {
 123                 case RTE_FLOW_ITEM_TYPE_GRE:
 124                 case RTE_FLOW_ITEM_TYPE_NVGRE:
 125                 case RTE_FLOW_ITEM_TYPE_VXLAN:
 126                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
 127                 case RTE_FLOW_ITEM_TYPE_GENEVE:
 128                 case RTE_FLOW_ITEM_TYPE_MPLS:
 129                         if (tunnel_decap)
 130                                 attr->attr = 0;
 131                         break;
 132                 case RTE_FLOW_ITEM_TYPE_IPV4:
 133                         if (!attr->ipv6)
 134                                 attr->ipv4 = 1;
 135                         if (item->mask != NULL &&
 136                             ((const struct rte_flow_item_ipv4 *)
 137                             item->mask)->hdr.next_proto_id)
 138                                 next_protocol =
 139                                     ((const struct rte_flow_item_ipv4 *)
 140                                       (item->spec))->hdr.next_proto_id &
 141                                     ((const struct rte_flow_item_ipv4 *)
 142                                       (item->mask))->hdr.next_proto_id;
 143                         if ((next_protocol == IPPROTO_IPIP ||
 144                             next_protocol == IPPROTO_IPV6) && tunnel_decap)
 145                                 attr->attr = 0;
 146                         break;
 147                 case RTE_FLOW_ITEM_TYPE_IPV6:
 148                         if (!attr->ipv4)
 149                                 attr->ipv6 = 1;
 150                         if (item->mask != NULL &&
 151                             ((const struct rte_flow_item_ipv6 *)
 152                             item->mask)->hdr.proto)
 153                                 next_protocol =
 154                                     ((const struct rte_flow_item_ipv6 *)
 155                                       (item->spec))->hdr.proto &
 156                                     ((const struct rte_flow_item_ipv6 *)
 157                                       (item->mask))->hdr.proto;
 158                         if ((next_protocol == IPPROTO_IPIP ||
 159                             next_protocol == IPPROTO_IPV6) && tunnel_decap)
 160                                 attr->attr = 0;
 161                         break;
 162                 case RTE_FLOW_ITEM_TYPE_UDP:
 163                         if (!attr->tcp)
 164                                 attr->udp = 1;
 165                         break;
 166                 case RTE_FLOW_ITEM_TYPE_TCP:
 167                         if (!attr->udp)
 168                                 attr->tcp = 1;
 169                         break;
 170                 default:
 171                         break;
 172                 }
 173         }
 174         attr->valid = 1;
 175 }
 176
 177 /**
 178  * Convert rte_mtr_color to mlx5 color.
 179  *
 180  * @param[in] rcol
 181  *   rte_mtr_color.
 182  *
 183  * @return
 184  *   mlx5 color.
 185  */
 186 static int
 187 rte_col_2_mlx5_col(enum rte_color rcol)
 188 {
 189         switch (rcol) {
 190         case RTE_COLOR_GREEN:
 191                 return MLX5_FLOW_COLOR_GREEN;
 192         case RTE_COLOR_YELLOW:
 193                 return MLX5_FLOW_COLOR_YELLOW;
 194         case RTE_COLOR_RED:
 195                 return MLX5_FLOW_COLOR_RED;
 196         default:
 197                 break;
 198         }
 199         return MLX5_FLOW_COLOR_UNDEFINED;
 200 }
 201
 202 struct field_modify_info {
 203         uint32_t size; /* Size of field in protocol header, in bytes. */
 204         uint32_t offset; /* Offset of field in protocol header, in bytes. */
 205         enum mlx5_modification_field id;
 206 };
 207
 208 struct field_modify_info modify_eth[] = {
 209         {4,  0, MLX5_MODI_OUT_DMAC_47_16},
 210         {2,  4, MLX5_MODI_OUT_DMAC_15_0},
 211         {4,  6, MLX5_MODI_OUT_SMAC_47_16},
 212         {2, 10, MLX5_MODI_OUT_SMAC_15_0},
 213         {0, 0, 0},
 214 };
 215
 216 struct field_modify_info modify_vlan_out_first_vid[] = {
 217         /* Size in bits !!! */
 218         {12, 0, MLX5_MODI_OUT_FIRST_VID},
 219         {0, 0, 0},
 220 };
 221
 222 struct field_modify_info modify_ipv4[] = {
 223         {1,  1, MLX5_MODI_OUT_IP_DSCP},
 224         {1,  8, MLX5_MODI_OUT_IPV4_TTL},
 225         {4, 12, MLX5_MODI_OUT_SIPV4},
 226         {4, 16, MLX5_MODI_OUT_DIPV4},
 227         {0, 0, 0},
 228 };
 229
 230 struct field_modify_info modify_ipv6[] = {
 231         {1,  0, MLX5_MODI_OUT_IP_DSCP},
 232         {1,  7, MLX5_MODI_OUT_IPV6_HOPLIMIT},
 233         {4,  8, MLX5_MODI_OUT_SIPV6_127_96},
 234         {4, 12, MLX5_MODI_OUT_SIPV6_95_64},
 235         {4, 16, MLX5_MODI_OUT_SIPV6_63_32},
 236         {4, 20, MLX5_MODI_OUT_SIPV6_31_0},
 237         {4, 24, MLX5_MODI_OUT_DIPV6_127_96},
 238         {4, 28, MLX5_MODI_OUT_DIPV6_95_64},
 239         {4, 32, MLX5_MODI_OUT_DIPV6_63_32},
 240         {4, 36, MLX5_MODI_OUT_DIPV6_31_0},
 241         {0, 0, 0},
 242 };
 243
 244 struct field_modify_info modify_udp[] = {
 245         {2, 0, MLX5_MODI_OUT_UDP_SPORT},
 246         {2, 2, MLX5_MODI_OUT_UDP_DPORT},
 247         {0, 0, 0},
 248 };
 249
 250 struct field_modify_info modify_tcp[] = {
 251         {2, 0, MLX5_MODI_OUT_TCP_SPORT},
 252         {2, 2, MLX5_MODI_OUT_TCP_DPORT},
 253         {4, 4, MLX5_MODI_OUT_TCP_SEQ_NUM},
 254         {4, 8, MLX5_MODI_OUT_TCP_ACK_NUM},
 255         {0, 0, 0},
 256 };
 257
 258 static void
 259 mlx5_flow_tunnel_ip_check(const struct rte_flow_item *item __rte_unused,
 260                           uint8_t next_protocol, uint64_t *item_flags,
 261                           int *tunnel)
 262 {
 263         MLX5_ASSERT(item->type == RTE_FLOW_ITEM_TYPE_IPV4 ||
 264                     item->type == RTE_FLOW_ITEM_TYPE_IPV6);
 265         if (next_protocol == IPPROTO_IPIP) {
 266                 *item_flags |= MLX5_FLOW_LAYER_IPIP;
 267                 *tunnel = 1;
 268         }
 269         if (next_protocol == IPPROTO_IPV6) {
 270                 *item_flags |= MLX5_FLOW_LAYER_IPV6_ENCAP;
 271                 *tunnel = 1;
 272         }
 273 }
 274
 275 /**
 276  * Acquire the synchronizing object to protect multithreaded access
 277  * to shared dv context. Lock occurs only if context is actually
 278  * shared, i.e. we have multiport IB device and representors are
 279  * created.
 280  *
 281  * @param[in] dev
 282  *   Pointer to the rte_eth_dev structure.
 283  */
 284 static void
 285 flow_dv_shared_lock(struct rte_eth_dev *dev)
 286 {
 287         struct mlx5_priv *priv = dev->data->dev_private;
 288         struct mlx5_ibv_shared *sh = priv->sh;
 289
 290         if (sh->dv_refcnt > 1) {
 291                 int ret;
 292
 293                 ret = pthread_mutex_lock(&sh->dv_mutex);
 294                 MLX5_ASSERT(!ret);
 295                 (void)ret;
 296         }
 297 }
 298
 299 static void
 300 flow_dv_shared_unlock(struct rte_eth_dev *dev)
 301 {
 302         struct mlx5_priv *priv = dev->data->dev_private;
 303         struct mlx5_ibv_shared *sh = priv->sh;
 304
 305         if (sh->dv_refcnt > 1) {
 306                 int ret;
 307
 308                 ret = pthread_mutex_unlock(&sh->dv_mutex);
 309                 MLX5_ASSERT(!ret);
 310                 (void)ret;
 311         }
 312 }
 313
 314 /* Update VLAN's VID/PCP based on input rte_flow_action.
 315  *
 316  * @param[in] action
 317  *   Pointer to struct rte_flow_action.
 318  * @param[out] vlan
 319  *   Pointer to struct rte_vlan_hdr.
 320  */
 321 static void
 322 mlx5_update_vlan_vid_pcp(const struct rte_flow_action *action,
 323                          struct rte_vlan_hdr *vlan)
 324 {
 325         uint16_t vlan_tci;
 326         if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP) {
 327                 vlan_tci =
 328                     ((const struct rte_flow_action_of_set_vlan_pcp *)
 329                                                action->conf)->vlan_pcp;
 330                 vlan_tci = vlan_tci << MLX5DV_FLOW_VLAN_PCP_SHIFT;
 331                 vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_PCP_MASK;
 332                 vlan->vlan_tci |= vlan_tci;
 333         } else if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID) {
 334                 vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
 335                 vlan->vlan_tci |= rte_be_to_cpu_16
 336                     (((const struct rte_flow_action_of_set_vlan_vid *)
 337                                              action->conf)->vlan_vid);
 338         }
 339 }
 340
 341 /**
 342  * Fetch 1, 2, 3 or 4 byte field from the byte array
 343  * and return as unsigned integer in host-endian format.
 344  *
 345  * @param[in] data
 346  *   Pointer to data array.
 347  * @param[in] size
 348  *   Size of field to extract.
 349  *
 350  * @return
 351  *   converted field in host endian format.
 352  */
 353 static inline uint32_t
 354 flow_dv_fetch_field(const uint8_t *data, uint32_t size)
 355 {
 356         uint32_t ret;
 357
 358         switch (size) {
 359         case 1:
 360                 ret = *data;
 361                 break;
 362         case 2:
 363                 ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
 364                 break;
 365         case 3:
 366                 ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
 367                 ret = (ret << 8) | *(data + sizeof(uint16_t));
 368                 break;
 369         case 4:
 370                 ret = rte_be_to_cpu_32(*(const unaligned_uint32_t *)data);
 371                 break;
 372         default:
 373                 MLX5_ASSERT(false);
 374                 ret = 0;
 375                 break;
 376         }
 377         return ret;
 378 }
 379
 380 /**
 381  * Convert modify-header action to DV specification.
 382  *
 383  * Data length of each action is determined by provided field description
 384  * and the item mask. Data bit offset and width of each action is determined
 385  * by provided item mask.
 386  *
 387  * @param[in] item
 388  *   Pointer to item specification.
 389  * @param[in] field
 390  *   Pointer to field modification information.
 391  *     For MLX5_MODIFICATION_TYPE_SET specifies destination field.
 392  *     For MLX5_MODIFICATION_TYPE_ADD specifies destination field.
 393  *     For MLX5_MODIFICATION_TYPE_COPY specifies source field.
 394  * @param[in] dcopy
 395  *   Destination field info for MLX5_MODIFICATION_TYPE_COPY in @type.
 396  *   Negative offset value sets the same offset as source offset.
 397  *   size field is ignored, value is taken from source field.
 398  * @param[in,out] resource
 399  *   Pointer to the modify-header resource.
 400  * @param[in] type
 401  *   Type of modification.
 402  * @param[out] error
 403  *   Pointer to the error structure.
 404  *
 405  * @return
 406  *   0 on success, a negative errno value otherwise and rte_errno is set.
 407  */
 408 static int
 409 flow_dv_convert_modify_action(struct rte_flow_item *item,
 410                               struct field_modify_info *field,
 411                               struct field_modify_info *dcopy,
 412                               struct mlx5_flow_dv_modify_hdr_resource *resource,
 413                               uint32_t type, struct rte_flow_error *error)
 414 {
 415         uint32_t i = resource->actions_num;
 416         struct mlx5_modification_cmd *actions = resource->actions;
 417
 418         /*
 419          * The item and mask are provided in big-endian format.
 420          * The fields should be presented as in big-endian format either.
 421          * Mask must be always present, it defines the actual field width.
 422          */
 423         MLX5_ASSERT(item->mask);
 424         MLX5_ASSERT(field->size);
 425         do {
 426                 unsigned int size_b;
 427                 unsigned int off_b;
 428                 uint32_t mask;
 429                 uint32_t data;
 430
 431                 if (i >= MLX5_MAX_MODIFY_NUM)
 432                         return rte_flow_error_set(error, EINVAL,
 433                                  RTE_FLOW_ERROR_TYPE_ACTION, NULL,
 434                                  "too many items to modify");
 435                 /* Fetch variable byte size mask from the array. */
 436                 mask = flow_dv_fetch_field((const uint8_t *)item->mask +
 437                                            field->offset, field->size);
 438                 if (!mask) {
 439                         ++field;
 440                         continue;
 441                 }
 442                 /* Deduce actual data width in bits from mask value. */
 443                 off_b = rte_bsf32(mask);
 444                 size_b = sizeof(uint32_t) * CHAR_BIT -
 445                          off_b - __builtin_clz(mask);
 446                 MLX5_ASSERT(size_b);
 447                 size_b = size_b == sizeof(uint32_t) * CHAR_BIT ? 0 : size_b;
 448                 actions[i] = (struct mlx5_modification_cmd) {
 449                         .action_type = type,
 450                         .field = field->id,
 451                         .offset = off_b,
 452                         .length = size_b,
 453                 };
 454                 /* Convert entire record to expected big-endian format. */
 455                 actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
 456                 if (type == MLX5_MODIFICATION_TYPE_COPY) {
 457                         MLX5_ASSERT(dcopy);
 458                         actions[i].dst_field = dcopy->id;
 459                         actions[i].dst_offset =
 460                                 (int)dcopy->offset < 0 ? off_b : dcopy->offset;
 461                         /* Convert entire record to big-endian format. */
 462                         actions[i].data1 = rte_cpu_to_be_32(actions[i].data1);
 463                 } else {
 464                         MLX5_ASSERT(item->spec);
 465                         data = flow_dv_fetch_field((const uint8_t *)item->spec +
 466                                                    field->offset, field->size);
 467                         /* Shift out the trailing masked bits from data. */
 468                         data = (data & mask) >> off_b;
 469                         actions[i].data1 = rte_cpu_to_be_32(data);
 470                 }
 471                 ++i;
 472                 ++field;
 473         } while (field->size);
 474         if (resource->actions_num == i)
 475                 return rte_flow_error_set(error, EINVAL,
 476                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
 477                                           "invalid modification flow item");
 478         resource->actions_num = i;
 479         return 0;
 480 }
 481
 482 /**
 483  * Convert modify-header set IPv4 address action to DV specification.
 484  *
 485  * @param[in,out] resource
 486  *   Pointer to the modify-header resource.
 487  * @param[in] action
 488  *   Pointer to action specification.
 489  * @param[out] error
 490  *   Pointer to the error structure.
 491  *
 492  * @return
 493  *   0 on success, a negative errno value otherwise and rte_errno is set.
 494  */
 495 static int
 496 flow_dv_convert_action_modify_ipv4
 497                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 498                          const struct rte_flow_action *action,
 499                          struct rte_flow_error *error)
 500 {
 501         const struct rte_flow_action_set_ipv4 *conf =
 502                 (const struct rte_flow_action_set_ipv4 *)(action->conf);
 503         struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
 504         struct rte_flow_item_ipv4 ipv4;
 505         struct rte_flow_item_ipv4 ipv4_mask;
 506
 507         memset(&ipv4, 0, sizeof(ipv4));
 508         memset(&ipv4_mask, 0, sizeof(ipv4_mask));
 509         if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC) {
 510                 ipv4.hdr.src_addr = conf->ipv4_addr;
 511                 ipv4_mask.hdr.src_addr = rte_flow_item_ipv4_mask.hdr.src_addr;
 512         } else {
 513                 ipv4.hdr.dst_addr = conf->ipv4_addr;
 514                 ipv4_mask.hdr.dst_addr = rte_flow_item_ipv4_mask.hdr.dst_addr;
 515         }
 516         item.spec = &ipv4;
 517         item.mask = &ipv4_mask;
 518         return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
 519                                              MLX5_MODIFICATION_TYPE_SET, error);
 520 }
 521
 522 /**
 523  * Convert modify-header set IPv6 address action to DV specification.
 524  *
 525  * @param[in,out] resource
 526  *   Pointer to the modify-header resource.
 527  * @param[in] action
 528  *   Pointer to action specification.
 529  * @param[out] error
 530  *   Pointer to the error structure.
 531  *
 532  * @return
 533  *   0 on success, a negative errno value otherwise and rte_errno is set.
 534  */
 535 static int
 536 flow_dv_convert_action_modify_ipv6
 537                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 538                          const struct rte_flow_action *action,
 539                          struct rte_flow_error *error)
 540 {
 541         const struct rte_flow_action_set_ipv6 *conf =
 542                 (const struct rte_flow_action_set_ipv6 *)(action->conf);
 543         struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
 544         struct rte_flow_item_ipv6 ipv6;
 545         struct rte_flow_item_ipv6 ipv6_mask;
 546
 547         memset(&ipv6, 0, sizeof(ipv6));
 548         memset(&ipv6_mask, 0, sizeof(ipv6_mask));
 549         if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC) {
 550                 memcpy(&ipv6.hdr.src_addr, &conf->ipv6_addr,
 551                        sizeof(ipv6.hdr.src_addr));
 552                 memcpy(&ipv6_mask.hdr.src_addr,
 553                        &rte_flow_item_ipv6_mask.hdr.src_addr,
 554                        sizeof(ipv6.hdr.src_addr));
 555         } else {
 556                 memcpy(&ipv6.hdr.dst_addr, &conf->ipv6_addr,
 557                        sizeof(ipv6.hdr.dst_addr));
 558                 memcpy(&ipv6_mask.hdr.dst_addr,
 559                        &rte_flow_item_ipv6_mask.hdr.dst_addr,
 560                        sizeof(ipv6.hdr.dst_addr));
 561         }
 562         item.spec = &ipv6;
 563         item.mask = &ipv6_mask;
 564         return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
 565                                              MLX5_MODIFICATION_TYPE_SET, error);
 566 }
 567
 568 /**
 569  * Convert modify-header set MAC address action to DV specification.
 570  *
 571  * @param[in,out] resource
 572  *   Pointer to the modify-header resource.
 573  * @param[in] action
 574  *   Pointer to action specification.
 575  * @param[out] error
 576  *   Pointer to the error structure.
 577  *
 578  * @return
 579  *   0 on success, a negative errno value otherwise and rte_errno is set.
 580  */
 581 static int
 582 flow_dv_convert_action_modify_mac
 583                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 584                          const struct rte_flow_action *action,
 585                          struct rte_flow_error *error)
 586 {
 587         const struct rte_flow_action_set_mac *conf =
 588                 (const struct rte_flow_action_set_mac *)(action->conf);
 589         struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_ETH };
 590         struct rte_flow_item_eth eth;
 591         struct rte_flow_item_eth eth_mask;
 592
 593         memset(&eth, 0, sizeof(eth));
 594         memset(&eth_mask, 0, sizeof(eth_mask));
 595         if (action->type == RTE_FLOW_ACTION_TYPE_SET_MAC_SRC) {
 596                 memcpy(&eth.src.addr_bytes, &conf->mac_addr,
 597                        sizeof(eth.src.addr_bytes));
 598                 memcpy(&eth_mask.src.addr_bytes,
 599                        &rte_flow_item_eth_mask.src.addr_bytes,
 600                        sizeof(eth_mask.src.addr_bytes));
 601         } else {
 602                 memcpy(&eth.dst.addr_bytes, &conf->mac_addr,
 603                        sizeof(eth.dst.addr_bytes));
 604                 memcpy(&eth_mask.dst.addr_bytes,
 605                        &rte_flow_item_eth_mask.dst.addr_bytes,
 606                        sizeof(eth_mask.dst.addr_bytes));
 607         }
 608         item.spec = &eth;
 609         item.mask = &eth_mask;
 610         return flow_dv_convert_modify_action(&item, modify_eth, NULL, resource,
 611                                              MLX5_MODIFICATION_TYPE_SET, error);
 612 }
 613
 614 /**
 615  * Convert modify-header set VLAN VID action to DV specification.
 616  *
 617  * @param[in,out] resource
 618  *   Pointer to the modify-header resource.
 619  * @param[in] action
 620  *   Pointer to action specification.
 621  * @param[out] error
 622  *   Pointer to the error structure.
 623  *
 624  * @return
 625  *   0 on success, a negative errno value otherwise and rte_errno is set.
 626  */
 627 static int
 628 flow_dv_convert_action_modify_vlan_vid
 629                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 630                          const struct rte_flow_action *action,
 631                          struct rte_flow_error *error)
 632 {
 633         const struct rte_flow_action_of_set_vlan_vid *conf =
 634                 (const struct rte_flow_action_of_set_vlan_vid *)(action->conf);
 635         int i = resource->actions_num;
 636         struct mlx5_modification_cmd *actions = resource->actions;
 637         struct field_modify_info *field = modify_vlan_out_first_vid;
 638
 639         if (i >= MLX5_MAX_MODIFY_NUM)
 640                 return rte_flow_error_set(error, EINVAL,
 641                          RTE_FLOW_ERROR_TYPE_ACTION, NULL,
 642                          "too many items to modify");
 643         actions[i] = (struct mlx5_modification_cmd) {
 644                 .action_type = MLX5_MODIFICATION_TYPE_SET,
 645                 .field = field->id,
 646                 .length = field->size,
 647                 .offset = field->offset,
 648         };
 649         actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
 650         actions[i].data1 = conf->vlan_vid;
 651         actions[i].data1 = actions[i].data1 << 16;
 652         resource->actions_num = ++i;
 653         return 0;
 654 }
 655
 656 /**
 657  * Convert modify-header set TP action to DV specification.
 658  *
 659  * @param[in,out] resource
 660  *   Pointer to the modify-header resource.
 661  * @param[in] action
 662  *   Pointer to action specification.
 663  * @param[in] items
 664  *   Pointer to rte_flow_item objects list.
 665  * @param[in] attr
 666  *   Pointer to flow attributes structure.
 667  * @param[in] dev_flow
 668  *   Pointer to the sub flow.
 669  * @param[in] tunnel_decap
 670  *   Whether action is after tunnel decapsulation.
 671  * @param[out] error
 672  *   Pointer to the error structure.
 673  *
 674  * @return
 675  *   0 on success, a negative errno value otherwise and rte_errno is set.
 676  */
 677 static int
 678 flow_dv_convert_action_modify_tp
 679                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 680                          const struct rte_flow_action *action,
 681                          const struct rte_flow_item *items,
 682                          union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
 683                          bool tunnel_decap, struct rte_flow_error *error)
 684 {
 685         const struct rte_flow_action_set_tp *conf =
 686                 (const struct rte_flow_action_set_tp *)(action->conf);
 687         struct rte_flow_item item;
 688         struct rte_flow_item_udp udp;
 689         struct rte_flow_item_udp udp_mask;
 690         struct rte_flow_item_tcp tcp;
 691         struct rte_flow_item_tcp tcp_mask;
 692         struct field_modify_info *field;
 693
 694         if (!attr->valid)
 695                 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
 696         if (attr->udp) {
 697                 memset(&udp, 0, sizeof(udp));
 698                 memset(&udp_mask, 0, sizeof(udp_mask));
 699                 if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
 700                         udp.hdr.src_port = conf->port;
 701                         udp_mask.hdr.src_port =
 702                                         rte_flow_item_udp_mask.hdr.src_port;
 703                 } else {
 704                         udp.hdr.dst_port = conf->port;
 705                         udp_mask.hdr.dst_port =
 706                                         rte_flow_item_udp_mask.hdr.dst_port;
 707                 }
 708                 item.type = RTE_FLOW_ITEM_TYPE_UDP;
 709                 item.spec = &udp;
 710                 item.mask = &udp_mask;
 711                 field = modify_udp;
 712         } else {
 713                 MLX5_ASSERT(attr->tcp);
 714                 memset(&tcp, 0, sizeof(tcp));
 715                 memset(&tcp_mask, 0, sizeof(tcp_mask));
 716                 if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
 717                         tcp.hdr.src_port = conf->port;
 718                         tcp_mask.hdr.src_port =
 719                                         rte_flow_item_tcp_mask.hdr.src_port;
 720                 } else {
 721                         tcp.hdr.dst_port = conf->port;
 722                         tcp_mask.hdr.dst_port =
 723                                         rte_flow_item_tcp_mask.hdr.dst_port;
 724                 }
 725                 item.type = RTE_FLOW_ITEM_TYPE_TCP;
 726                 item.spec = &tcp;
 727                 item.mask = &tcp_mask;
 728                 field = modify_tcp;
 729         }
 730         return flow_dv_convert_modify_action(&item, field, NULL, resource,
 731                                              MLX5_MODIFICATION_TYPE_SET, error);
 732 }
 733
 734 /**
 735  * Convert modify-header set TTL action to DV specification.
 736  *
 737  * @param[in,out] resource
 738  *   Pointer to the modify-header resource.
 739  * @param[in] action
 740  *   Pointer to action specification.
 741  * @param[in] items
 742  *   Pointer to rte_flow_item objects list.
 743  * @param[in] attr
 744  *   Pointer to flow attributes structure.
 745  * @param[in] dev_flow
 746  *   Pointer to the sub flow.
 747  * @param[in] tunnel_decap
 748  *   Whether action is after tunnel decapsulation.
 749  * @param[out] error
 750  *   Pointer to the error structure.
 751  *
 752  * @return
 753  *   0 on success, a negative errno value otherwise and rte_errno is set.
 754  */
 755 static int
 756 flow_dv_convert_action_modify_ttl
 757                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 758                          const struct rte_flow_action *action,
 759                          const struct rte_flow_item *items,
 760                          union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
 761                          bool tunnel_decap, struct rte_flow_error *error)
 762 {
 763         const struct rte_flow_action_set_ttl *conf =
 764                 (const struct rte_flow_action_set_ttl *)(action->conf);
 765         struct rte_flow_item item;
 766         struct rte_flow_item_ipv4 ipv4;
 767         struct rte_flow_item_ipv4 ipv4_mask;
 768         struct rte_flow_item_ipv6 ipv6;
 769         struct rte_flow_item_ipv6 ipv6_mask;
 770         struct field_modify_info *field;
 771
 772         if (!attr->valid)
 773                 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
 774         if (attr->ipv4) {
 775                 memset(&ipv4, 0, sizeof(ipv4));
 776                 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
 777                 ipv4.hdr.time_to_live = conf->ttl_value;
 778                 ipv4_mask.hdr.time_to_live = 0xFF;
 779                 item.type = RTE_FLOW_ITEM_TYPE_IPV4;
 780                 item.spec = &ipv4;
 781                 item.mask = &ipv4_mask;
 782                 field = modify_ipv4;
 783         } else {
 784                 MLX5_ASSERT(attr->ipv6);
 785                 memset(&ipv6, 0, sizeof(ipv6));
 786                 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
 787                 ipv6.hdr.hop_limits = conf->ttl_value;
 788                 ipv6_mask.hdr.hop_limits = 0xFF;
 789                 item.type = RTE_FLOW_ITEM_TYPE_IPV6;
 790                 item.spec = &ipv6;
 791                 item.mask = &ipv6_mask;
 792                 field = modify_ipv6;
 793         }
 794         return flow_dv_convert_modify_action(&item, field, NULL, resource,
 795                                              MLX5_MODIFICATION_TYPE_SET, error);
 796 }
 797
 798 /**
 799  * Convert modify-header decrement TTL action to DV specification.
 800  *
 801  * @param[in,out] resource
 802  *   Pointer to the modify-header resource.
 803  * @param[in] action
 804  *   Pointer to action specification.
 805  * @param[in] items
 806  *   Pointer to rte_flow_item objects list.
 807  * @param[in] attr
 808  *   Pointer to flow attributes structure.
 809  * @param[in] dev_flow
 810  *   Pointer to the sub flow.
 811  * @param[in] tunnel_decap
 812  *   Whether action is after tunnel decapsulation.
 813  * @param[out] error
 814  *   Pointer to the error structure.
 815  *
 816  * @return
 817  *   0 on success, a negative errno value otherwise and rte_errno is set.
 818  */
 819 static int
 820 flow_dv_convert_action_modify_dec_ttl
 821                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 822                          const struct rte_flow_item *items,
 823                          union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
 824                          bool tunnel_decap, struct rte_flow_error *error)
 825 {
 826         struct rte_flow_item item;
 827         struct rte_flow_item_ipv4 ipv4;
 828         struct rte_flow_item_ipv4 ipv4_mask;
 829         struct rte_flow_item_ipv6 ipv6;
 830         struct rte_flow_item_ipv6 ipv6_mask;
 831         struct field_modify_info *field;
 832
 833         if (!attr->valid)
 834                 flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
 835         if (attr->ipv4) {
 836                 memset(&ipv4, 0, sizeof(ipv4));
 837                 memset(&ipv4_mask, 0, sizeof(ipv4_mask));
 838                 ipv4.hdr.time_to_live = 0xFF;
 839                 ipv4_mask.hdr.time_to_live = 0xFF;
 840                 item.type = RTE_FLOW_ITEM_TYPE_IPV4;
 841                 item.spec = &ipv4;
 842                 item.mask = &ipv4_mask;
 843                 field = modify_ipv4;
 844         } else {
 845                 MLX5_ASSERT(attr->ipv6);
 846                 memset(&ipv6, 0, sizeof(ipv6));
 847                 memset(&ipv6_mask, 0, sizeof(ipv6_mask));
 848                 ipv6.hdr.hop_limits = 0xFF;
 849                 ipv6_mask.hdr.hop_limits = 0xFF;
 850                 item.type = RTE_FLOW_ITEM_TYPE_IPV6;
 851                 item.spec = &ipv6;
 852                 item.mask = &ipv6_mask;
 853                 field = modify_ipv6;
 854         }
 855         return flow_dv_convert_modify_action(&item, field, NULL, resource,
 856                                              MLX5_MODIFICATION_TYPE_ADD, error);
 857 }
 858
 859 /**
 860  * Convert modify-header increment/decrement TCP Sequence number
 861  * to DV specification.
 862  *
 863  * @param[in,out] resource
 864  *   Pointer to the modify-header resource.
 865  * @param[in] action
 866  *   Pointer to action specification.
 867  * @param[out] error
 868  *   Pointer to the error structure.
 869  *
 870  * @return
 871  *   0 on success, a negative errno value otherwise and rte_errno is set.
 872  */
 873 static int
 874 flow_dv_convert_action_modify_tcp_seq
 875                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 876                          const struct rte_flow_action *action,
 877                          struct rte_flow_error *error)
 878 {
 879         const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
 880         uint64_t value = rte_be_to_cpu_32(*conf);
 881         struct rte_flow_item item;
 882         struct rte_flow_item_tcp tcp;
 883         struct rte_flow_item_tcp tcp_mask;
 884
 885         memset(&tcp, 0, sizeof(tcp));
 886         memset(&tcp_mask, 0, sizeof(tcp_mask));
 887         if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ)
 888                 /*
 889                  * The HW has no decrement operation, only increment operation.
 890                  * To simulate decrement X from Y using increment operation
 891                  * we need to add UINT32_MAX X times to Y.
 892                  * Each adding of UINT32_MAX decrements Y by 1.
 893                  */
 894                 value *= UINT32_MAX;
 895         tcp.hdr.sent_seq = rte_cpu_to_be_32((uint32_t)value);
 896         tcp_mask.hdr.sent_seq = RTE_BE32(UINT32_MAX);
 897         item.type = RTE_FLOW_ITEM_TYPE_TCP;
 898         item.spec = &tcp;
 899         item.mask = &tcp_mask;
 900         return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
 901                                              MLX5_MODIFICATION_TYPE_ADD, error);
 902 }
 903
 904 /**
 905  * Convert modify-header increment/decrement TCP Acknowledgment number
 906  * to DV specification.
 907  *
 908  * @param[in,out] resource
 909  *   Pointer to the modify-header resource.
 910  * @param[in] action
 911  *   Pointer to action specification.
 912  * @param[out] error
 913  *   Pointer to the error structure.
 914  *
 915  * @return
 916  *   0 on success, a negative errno value otherwise and rte_errno is set.
 917  */
 918 static int
 919 flow_dv_convert_action_modify_tcp_ack
 920                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 921                          const struct rte_flow_action *action,
 922                          struct rte_flow_error *error)
 923 {
 924         const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
 925         uint64_t value = rte_be_to_cpu_32(*conf);
 926         struct rte_flow_item item;
 927         struct rte_flow_item_tcp tcp;
 928         struct rte_flow_item_tcp tcp_mask;
 929
 930         memset(&tcp, 0, sizeof(tcp));
 931         memset(&tcp_mask, 0, sizeof(tcp_mask));
 932         if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK)
 933                 /*
 934                  * The HW has no decrement operation, only increment operation.
 935                  * To simulate decrement X from Y using increment operation
 936                  * we need to add UINT32_MAX X times to Y.
 937                  * Each adding of UINT32_MAX decrements Y by 1.
 938                  */
 939                 value *= UINT32_MAX;
 940         tcp.hdr.recv_ack = rte_cpu_to_be_32((uint32_t)value);
 941         tcp_mask.hdr.recv_ack = RTE_BE32(UINT32_MAX);
 942         item.type = RTE_FLOW_ITEM_TYPE_TCP;
 943         item.spec = &tcp;
 944         item.mask = &tcp_mask;
 945         return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
 946                                              MLX5_MODIFICATION_TYPE_ADD, error);
 947 }
 948
 949 static enum mlx5_modification_field reg_to_field[] = {
 950         [REG_NONE] = MLX5_MODI_OUT_NONE,
 951         [REG_A] = MLX5_MODI_META_DATA_REG_A,
 952         [REG_B] = MLX5_MODI_META_DATA_REG_B,
 953         [REG_C_0] = MLX5_MODI_META_REG_C_0,
 954         [REG_C_1] = MLX5_MODI_META_REG_C_1,
 955         [REG_C_2] = MLX5_MODI_META_REG_C_2,
 956         [REG_C_3] = MLX5_MODI_META_REG_C_3,
 957         [REG_C_4] = MLX5_MODI_META_REG_C_4,
 958         [REG_C_5] = MLX5_MODI_META_REG_C_5,
 959         [REG_C_6] = MLX5_MODI_META_REG_C_6,
 960         [REG_C_7] = MLX5_MODI_META_REG_C_7,
 961 };
 962
 963 /**
 964  * Convert register set to DV specification.
 965  *
 966  * @param[in,out] resource
 967  *   Pointer to the modify-header resource.
 968  * @param[in] action
 969  *   Pointer to action specification.
 970  * @param[out] error
 971  *   Pointer to the error structure.
 972  *
 973  * @return
 974  *   0 on success, a negative errno value otherwise and rte_errno is set.
 975  */
 976 static int
 977 flow_dv_convert_action_set_reg
 978                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
 979                          const struct rte_flow_action *action,
 980                          struct rte_flow_error *error)
 981 {
 982         const struct mlx5_rte_flow_action_set_tag *conf = action->conf;
 983         struct mlx5_modification_cmd *actions = resource->actions;
 984         uint32_t i = resource->actions_num;
 985
 986         if (i >= MLX5_MAX_MODIFY_NUM)
 987                 return rte_flow_error_set(error, EINVAL,
 988                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
 989                                           "too many items to modify");
 990         MLX5_ASSERT(conf->id != REG_NONE);
 991         MLX5_ASSERT(conf->id < RTE_DIM(reg_to_field));
 992         actions[i] = (struct mlx5_modification_cmd) {
 993                 .action_type = MLX5_MODIFICATION_TYPE_SET,
 994                 .field = reg_to_field[conf->id],
 995         };
 996         actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
 997         actions[i].data1 = rte_cpu_to_be_32(conf->data);
 998         ++i;
 999         resource->actions_num = i;
1000         return 0;
1001 }
1002
1003 /**
1004  * Convert SET_TAG action to DV specification.
1005  *
1006  * @param[in] dev
1007  *   Pointer to the rte_eth_dev structure.
1008  * @param[in,out] resource
1009  *   Pointer to the modify-header resource.
1010  * @param[in] conf
1011  *   Pointer to action specification.
1012  * @param[out] error
1013  *   Pointer to the error structure.
1014  *
1015  * @return
1016  *   0 on success, a negative errno value otherwise and rte_errno is set.
1017  */
1018 static int
1019 flow_dv_convert_action_set_tag
1020                         (struct rte_eth_dev *dev,
1021                          struct mlx5_flow_dv_modify_hdr_resource *resource,
1022                          const struct rte_flow_action_set_tag *conf,
1023                          struct rte_flow_error *error)
1024 {
1025         rte_be32_t data = rte_cpu_to_be_32(conf->data);
1026         rte_be32_t mask = rte_cpu_to_be_32(conf->mask);
1027         struct rte_flow_item item = {
1028                 .spec = &data,
1029                 .mask = &mask,
1030         };
1031         struct field_modify_info reg_c_x[] = {
1032                 [1] = {0, 0, 0},
1033         };
1034         enum mlx5_modification_field reg_type;
1035         int ret;
1036
1037         ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
1038         if (ret < 0)
1039                 return ret;
1040         MLX5_ASSERT(ret != REG_NONE);
1041         MLX5_ASSERT((unsigned int)ret < RTE_DIM(reg_to_field));
1042         reg_type = reg_to_field[ret];
1043         MLX5_ASSERT(reg_type > 0);
1044         reg_c_x[0] = (struct field_modify_info){4, 0, reg_type};
1045         return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1046                                              MLX5_MODIFICATION_TYPE_SET, error);
1047 }
1048
1049 /**
1050  * Convert internal COPY_REG action to DV specification.
1051  *
1052  * @param[in] dev
1053  *   Pointer to the rte_eth_dev structure.
1054  * @param[in,out] res
1055  *   Pointer to the modify-header resource.
1056  * @param[in] action
1057  *   Pointer to action specification.
1058  * @param[out] error
1059  *   Pointer to the error structure.
1060  *
1061  * @return
1062  *   0 on success, a negative errno value otherwise and rte_errno is set.
1063  */
1064 static int
1065 flow_dv_convert_action_copy_mreg(struct rte_eth_dev *dev,
1066                                  struct mlx5_flow_dv_modify_hdr_resource *res,
1067                                  const struct rte_flow_action *action,
1068                                  struct rte_flow_error *error)
1069 {
1070         const struct mlx5_flow_action_copy_mreg *conf = action->conf;
1071         rte_be32_t mask = RTE_BE32(UINT32_MAX);
1072         struct rte_flow_item item = {
1073                 .spec = NULL,
1074                 .mask = &mask,
1075         };
1076         struct field_modify_info reg_src[] = {
1077                 {4, 0, reg_to_field[conf->src]},
1078                 {0, 0, 0},
1079         };
1080         struct field_modify_info reg_dst = {
1081                 .offset = 0,
1082                 .id = reg_to_field[conf->dst],
1083         };
1084         /* Adjust reg_c[0] usage according to reported mask. */
1085         if (conf->dst == REG_C_0 || conf->src == REG_C_0) {
1086                 struct mlx5_priv *priv = dev->data->dev_private;
1087                 uint32_t reg_c0 = priv->sh->dv_regc0_mask;
1088
1089                 MLX5_ASSERT(reg_c0);
1090                 MLX5_ASSERT(priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY);
1091                 if (conf->dst == REG_C_0) {
1092                         /* Copy to reg_c[0], within mask only. */
1093                         reg_dst.offset = rte_bsf32(reg_c0);
1094                         /*
1095                          * Mask is ignoring the enianness, because
1096                          * there is no conversion in datapath.
1097                          */
1098 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1099                         /* Copy from destination lower bits to reg_c[0]. */
1100                         mask = reg_c0 >> reg_dst.offset;
1101 #else
1102                         /* Copy from destination upper bits to reg_c[0]. */
1103                         mask = reg_c0 << (sizeof(reg_c0) * CHAR_BIT -
1104                                           rte_fls_u32(reg_c0));
1105 #endif
1106                 } else {
1107                         mask = rte_cpu_to_be_32(reg_c0);
1108 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1109                         /* Copy from reg_c[0] to destination lower bits. */
1110                         reg_dst.offset = 0;
1111 #else
1112                         /* Copy from reg_c[0] to destination upper bits. */
1113                         reg_dst.offset = sizeof(reg_c0) * CHAR_BIT -
1114                                          (rte_fls_u32(reg_c0) -
1115                                           rte_bsf32(reg_c0));
1116 #endif
1117                 }
1118         }
1119         return flow_dv_convert_modify_action(&item,
1120                                              reg_src, &reg_dst, res,
1121                                              MLX5_MODIFICATION_TYPE_COPY,
1122                                              error);
1123 }
1124
1125 /**
1126  * Convert MARK action to DV specification. This routine is used
1127  * in extensive metadata only and requires metadata register to be
1128  * handled. In legacy mode hardware tag resource is engaged.
1129  *
1130  * @param[in] dev
1131  *   Pointer to the rte_eth_dev structure.
1132  * @param[in] conf
1133  *   Pointer to MARK action specification.
1134  * @param[in,out] resource
1135  *   Pointer to the modify-header resource.
1136  * @param[out] error
1137  *   Pointer to the error structure.
1138  *
1139  * @return
1140  *   0 on success, a negative errno value otherwise and rte_errno is set.
1141  */
1142 static int
1143 flow_dv_convert_action_mark(struct rte_eth_dev *dev,
1144                             const struct rte_flow_action_mark *conf,
1145                             struct mlx5_flow_dv_modify_hdr_resource *resource,
1146                             struct rte_flow_error *error)
1147 {
1148         struct mlx5_priv *priv = dev->data->dev_private;
1149         rte_be32_t mask = rte_cpu_to_be_32(MLX5_FLOW_MARK_MASK &
1150                                            priv->sh->dv_mark_mask);
1151         rte_be32_t data = rte_cpu_to_be_32(conf->id) & mask;
1152         struct rte_flow_item item = {
1153                 .spec = &data,
1154                 .mask = &mask,
1155         };
1156         struct field_modify_info reg_c_x[] = {
1157                 {4, 0, 0}, /* dynamic instead of MLX5_MODI_META_REG_C_1. */
1158                 {0, 0, 0},
1159         };
1160         int reg;
1161
1162         if (!mask)
1163                 return rte_flow_error_set(error, EINVAL,
1164                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1165                                           NULL, "zero mark action mask");
1166         reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
1167         if (reg < 0)
1168                 return reg;
1169         MLX5_ASSERT(reg > 0);
1170         if (reg == REG_C_0) {
1171                 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
1172                 uint32_t shl_c0 = rte_bsf32(msk_c0);
1173
1174                 data = rte_cpu_to_be_32(rte_cpu_to_be_32(data) << shl_c0);
1175                 mask = rte_cpu_to_be_32(mask) & msk_c0;
1176                 mask = rte_cpu_to_be_32(mask << shl_c0);
1177         }
1178         reg_c_x[0].id = reg_to_field[reg];
1179         return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1180                                              MLX5_MODIFICATION_TYPE_SET, error);
1181 }
1182
1183 /**
1184  * Get metadata register index for specified steering domain.
1185  *
1186  * @param[in] dev
1187  *   Pointer to the rte_eth_dev structure.
1188  * @param[in] attr
1189  *   Attributes of flow to determine steering domain.
1190  * @param[out] error
1191  *   Pointer to the error structure.
1192  *
1193  * @return
1194  *   positive index on success, a negative errno value otherwise
1195  *   and rte_errno is set.
1196  */
1197 static enum modify_reg
1198 flow_dv_get_metadata_reg(struct rte_eth_dev *dev,
1199                          const struct rte_flow_attr *attr,
1200                          struct rte_flow_error *error)
1201 {
1202         int reg =
1203                 mlx5_flow_get_reg_id(dev, attr->transfer ?
1204                                           MLX5_METADATA_FDB :
1205                                             attr->egress ?
1206                                             MLX5_METADATA_TX :
1207                                             MLX5_METADATA_RX, 0, error);
1208         if (reg < 0)
1209                 return rte_flow_error_set(error,
1210                                           ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
1211                                           NULL, "unavailable "
1212                                           "metadata register");
1213         return reg;
1214 }
1215
1216 /**
1217  * Convert SET_META action to DV specification.
1218  *
1219  * @param[in] dev
1220  *   Pointer to the rte_eth_dev structure.
1221  * @param[in,out] resource
1222  *   Pointer to the modify-header resource.
1223  * @param[in] attr
1224  *   Attributes of flow that includes this item.
1225  * @param[in] conf
1226  *   Pointer to action specification.
1227  * @param[out] error
1228  *   Pointer to the error structure.
1229  *
1230  * @return
1231  *   0 on success, a negative errno value otherwise and rte_errno is set.
1232  */
1233 static int
1234 flow_dv_convert_action_set_meta
1235                         (struct rte_eth_dev *dev,
1236                          struct mlx5_flow_dv_modify_hdr_resource *resource,
1237                          const struct rte_flow_attr *attr,
1238                          const struct rte_flow_action_set_meta *conf,
1239                          struct rte_flow_error *error)
1240 {
1241         uint32_t data = conf->data;
1242         uint32_t mask = conf->mask;
1243         struct rte_flow_item item = {
1244                 .spec = &data,
1245                 .mask = &mask,
1246         };
1247         struct field_modify_info reg_c_x[] = {
1248                 [1] = {0, 0, 0},
1249         };
1250         int reg = flow_dv_get_metadata_reg(dev, attr, error);
1251
1252         if (reg < 0)
1253                 return reg;
1254         /*
1255          * In datapath code there is no endianness
1256          * coversions for perfromance reasons, all
1257          * pattern conversions are done in rte_flow.
1258          */
1259         if (reg == REG_C_0) {
1260                 struct mlx5_priv *priv = dev->data->dev_private;
1261                 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
1262                 uint32_t shl_c0;
1263
1264                 MLX5_ASSERT(msk_c0);
1265 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
1266                 shl_c0 = rte_bsf32(msk_c0);
1267 #else
1268                 shl_c0 = sizeof(msk_c0) * CHAR_BIT - rte_fls_u32(msk_c0);
1269 #endif
1270                 mask <<= shl_c0;
1271                 data <<= shl_c0;
1272                 MLX5_ASSERT(!(~msk_c0 & rte_cpu_to_be_32(mask)));
1273         }
1274         reg_c_x[0] = (struct field_modify_info){4, 0, reg_to_field[reg]};
1275         /* The routine expects parameters in memory as big-endian ones. */
1276         return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
1277                                              MLX5_MODIFICATION_TYPE_SET, error);
1278 }
1279
1280 /**
1281  * Convert modify-header set IPv4 DSCP action to DV specification.
1282  *
1283  * @param[in,out] resource
1284  *   Pointer to the modify-header resource.
1285  * @param[in] action
1286  *   Pointer to action specification.
1287  * @param[out] error
1288  *   Pointer to the error structure.
1289  *
1290  * @return
1291  *   0 on success, a negative errno value otherwise and rte_errno is set.
1292  */
1293 static int
1294 flow_dv_convert_action_modify_ipv4_dscp
1295                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
1296                          const struct rte_flow_action *action,
1297                          struct rte_flow_error *error)
1298 {
1299         const struct rte_flow_action_set_dscp *conf =
1300                 (const struct rte_flow_action_set_dscp *)(action->conf);
1301         struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
1302         struct rte_flow_item_ipv4 ipv4;
1303         struct rte_flow_item_ipv4 ipv4_mask;
1304
1305         memset(&ipv4, 0, sizeof(ipv4));
1306         memset(&ipv4_mask, 0, sizeof(ipv4_mask));
1307         ipv4.hdr.type_of_service = conf->dscp;
1308         ipv4_mask.hdr.type_of_service = RTE_IPV4_HDR_DSCP_MASK >> 2;
1309         item.spec = &ipv4;
1310         item.mask = &ipv4_mask;
1311         return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
1312                                              MLX5_MODIFICATION_TYPE_SET, error);
1313 }
1314
1315 /**
1316  * Convert modify-header set IPv6 DSCP action to DV specification.
1317  *
1318  * @param[in,out] resource
1319  *   Pointer to the modify-header resource.
1320  * @param[in] action
1321  *   Pointer to action specification.
1322  * @param[out] error
1323  *   Pointer to the error structure.
1324  *
1325  * @return
1326  *   0 on success, a negative errno value otherwise and rte_errno is set.
1327  */
1328 static int
1329 flow_dv_convert_action_modify_ipv6_dscp
1330                         (struct mlx5_flow_dv_modify_hdr_resource *resource,
1331                          const struct rte_flow_action *action,
1332                          struct rte_flow_error *error)
1333 {
1334         const struct rte_flow_action_set_dscp *conf =
1335                 (const struct rte_flow_action_set_dscp *)(action->conf);
1336         struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
1337         struct rte_flow_item_ipv6 ipv6;
1338         struct rte_flow_item_ipv6 ipv6_mask;
1339
1340         memset(&ipv6, 0, sizeof(ipv6));
1341         memset(&ipv6_mask, 0, sizeof(ipv6_mask));
1342         /*
1343          * Even though the DSCP bits offset of IPv6 is not byte aligned,
1344          * rdma-core only accept the DSCP bits byte aligned start from
1345          * bit 0 to 5 as to be compatible with IPv4. No need to shift the
1346          * bits in IPv6 case as rdma-core requires byte aligned value.
1347          */
1348         ipv6.hdr.vtc_flow = conf->dscp;
1349         ipv6_mask.hdr.vtc_flow = RTE_IPV6_HDR_DSCP_MASK >> 22;
1350         item.spec = &ipv6;
1351         item.mask = &ipv6_mask;
1352         return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
1353                                              MLX5_MODIFICATION_TYPE_SET, error);
1354 }
1355
1356 /**
1357  * Validate MARK item.
1358  *
1359  * @param[in] dev
1360  *   Pointer to the rte_eth_dev structure.
1361  * @param[in] item
1362  *   Item specification.
1363  * @param[in] attr
1364  *   Attributes of flow that includes this item.
1365  * @param[out] error
1366  *   Pointer to error structure.
1367  *
1368  * @return
1369  *   0 on success, a negative errno value otherwise and rte_errno is set.
1370  */
1371 static int
1372 flow_dv_validate_item_mark(struct rte_eth_dev *dev,
1373                            const struct rte_flow_item *item,
1374                            const struct rte_flow_attr *attr __rte_unused,
1375                            struct rte_flow_error *error)
1376 {
1377         struct mlx5_priv *priv = dev->data->dev_private;
1378         struct mlx5_dev_config *config = &priv->config;
1379         const struct rte_flow_item_mark *spec = item->spec;
1380         const struct rte_flow_item_mark *mask = item->mask;
1381         const struct rte_flow_item_mark nic_mask = {
1382                 .id = priv->sh->dv_mark_mask,
1383         };
1384         int ret;
1385
1386         if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
1387                 return rte_flow_error_set(error, ENOTSUP,
1388                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1389                                           "extended metadata feature"
1390                                           " isn't enabled");
1391         if (!mlx5_flow_ext_mreg_supported(dev))
1392                 return rte_flow_error_set(error, ENOTSUP,
1393                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1394                                           "extended metadata register"
1395                                           " isn't supported");
1396         if (!nic_mask.id)
1397                 return rte_flow_error_set(error, ENOTSUP,
1398                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1399                                           "extended metadata register"
1400                                           " isn't available");
1401         ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
1402         if (ret < 0)
1403                 return ret;
1404         if (!spec)
1405                 return rte_flow_error_set(error, EINVAL,
1406                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1407                                           item->spec,
1408                                           "data cannot be empty");
1409         if (spec->id >= (MLX5_FLOW_MARK_MAX & nic_mask.id))
1410                 return rte_flow_error_set(error, EINVAL,
1411                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1412                                           &spec->id,
1413                                           "mark id exceeds the limit");
1414         if (!mask)
1415                 mask = &nic_mask;
1416         if (!mask->id)
1417                 return rte_flow_error_set(error, EINVAL,
1418                                         RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1419                                         "mask cannot be zero");
1420
1421         ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1422                                         (const uint8_t *)&nic_mask,
1423                                         sizeof(struct rte_flow_item_mark),
1424                                         error);
1425         if (ret < 0)
1426                 return ret;
1427         return 0;
1428 }
1429
1430 /**
1431  * Validate META item.
1432  *
1433  * @param[in] dev
1434  *   Pointer to the rte_eth_dev structure.
1435  * @param[in] item
1436  *   Item specification.
1437  * @param[in] attr
1438  *   Attributes of flow that includes this item.
1439  * @param[out] error
1440  *   Pointer to error structure.
1441  *
1442  * @return
1443  *   0 on success, a negative errno value otherwise and rte_errno is set.
1444  */
1445 static int
1446 flow_dv_validate_item_meta(struct rte_eth_dev *dev __rte_unused,
1447                            const struct rte_flow_item *item,
1448                            const struct rte_flow_attr *attr,
1449                            struct rte_flow_error *error)
1450 {
1451         struct mlx5_priv *priv = dev->data->dev_private;
1452         struct mlx5_dev_config *config = &priv->config;
1453         const struct rte_flow_item_meta *spec = item->spec;
1454         const struct rte_flow_item_meta *mask = item->mask;
1455         struct rte_flow_item_meta nic_mask = {
1456                 .data = UINT32_MAX
1457         };
1458         int reg;
1459         int ret;
1460
1461         if (!spec)
1462                 return rte_flow_error_set(error, EINVAL,
1463                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1464                                           item->spec,
1465                                           "data cannot be empty");
1466         if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1467                 if (!mlx5_flow_ext_mreg_supported(dev))
1468                         return rte_flow_error_set(error, ENOTSUP,
1469                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1470                                           "extended metadata register"
1471                                           " isn't supported");
1472                 reg = flow_dv_get_metadata_reg(dev, attr, error);
1473                 if (reg < 0)
1474                         return reg;
1475                 if (reg == REG_B)
1476                         return rte_flow_error_set(error, ENOTSUP,
1477                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1478                                           "match on reg_b "
1479                                           "isn't supported");
1480                 if (reg != REG_A)
1481                         nic_mask.data = priv->sh->dv_meta_mask;
1482         }
1483         if (!mask)
1484                 mask = &rte_flow_item_meta_mask;
1485         if (!mask->data)
1486                 return rte_flow_error_set(error, EINVAL,
1487                                         RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1488                                         "mask cannot be zero");
1489
1490         ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1491                                         (const uint8_t *)&nic_mask,
1492                                         sizeof(struct rte_flow_item_meta),
1493                                         error);
1494         return ret;
1495 }
1496
1497 /**
1498  * Validate TAG item.
1499  *
1500  * @param[in] dev
1501  *   Pointer to the rte_eth_dev structure.
1502  * @param[in] item
1503  *   Item specification.
1504  * @param[in] attr
1505  *   Attributes of flow that includes this item.
1506  * @param[out] error
1507  *   Pointer to error structure.
1508  *
1509  * @return
1510  *   0 on success, a negative errno value otherwise and rte_errno is set.
1511  */
1512 static int
1513 flow_dv_validate_item_tag(struct rte_eth_dev *dev,
1514                           const struct rte_flow_item *item,
1515                           const struct rte_flow_attr *attr __rte_unused,
1516                           struct rte_flow_error *error)
1517 {
1518         const struct rte_flow_item_tag *spec = item->spec;
1519         const struct rte_flow_item_tag *mask = item->mask;
1520         const struct rte_flow_item_tag nic_mask = {
1521                 .data = RTE_BE32(UINT32_MAX),
1522                 .index = 0xff,
1523         };
1524         int ret;
1525
1526         if (!mlx5_flow_ext_mreg_supported(dev))
1527                 return rte_flow_error_set(error, ENOTSUP,
1528                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1529                                           "extensive metadata register"
1530                                           " isn't supported");
1531         if (!spec)
1532                 return rte_flow_error_set(error, EINVAL,
1533                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1534                                           item->spec,
1535                                           "data cannot be empty");
1536         if (!mask)
1537                 mask = &rte_flow_item_tag_mask;
1538         if (!mask->data)
1539                 return rte_flow_error_set(error, EINVAL,
1540                                         RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1541                                         "mask cannot be zero");
1542
1543         ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
1544                                         (const uint8_t *)&nic_mask,
1545                                         sizeof(struct rte_flow_item_tag),
1546                                         error);
1547         if (ret < 0)
1548                 return ret;
1549         if (mask->index != 0xff)
1550                 return rte_flow_error_set(error, EINVAL,
1551                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
1552                                           "partial mask for tag index"
1553                                           " is not supported");
1554         ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, spec->index, error);
1555         if (ret < 0)
1556                 return ret;
1557         MLX5_ASSERT(ret != REG_NONE);
1558         return 0;
1559 }
1560
1561 /**
1562  * Validate vport item.
1563  *
1564  * @param[in] dev
1565  *   Pointer to the rte_eth_dev structure.
1566  * @param[in] item
1567  *   Item specification.
1568  * @param[in] attr
1569  *   Attributes of flow that includes this item.
1570  * @param[in] item_flags
1571  *   Bit-fields that holds the items detected until now.
1572  * @param[out] error
1573  *   Pointer to error structure.
1574  *
1575  * @return
1576  *   0 on success, a negative errno value otherwise and rte_errno is set.
1577  */
1578 static int
1579 flow_dv_validate_item_port_id(struct rte_eth_dev *dev,
1580                               const struct rte_flow_item *item,
1581                               const struct rte_flow_attr *attr,
1582                               uint64_t item_flags,
1583                               struct rte_flow_error *error)
1584 {
1585         const struct rte_flow_item_port_id *spec = item->spec;
1586         const struct rte_flow_item_port_id *mask = item->mask;
1587         const struct rte_flow_item_port_id switch_mask = {
1588                         .id = 0xffffffff,
1589         };
1590         struct mlx5_priv *esw_priv;
1591         struct mlx5_priv *dev_priv;
1592         int ret;
1593
1594         if (!attr->transfer)
1595                 return rte_flow_error_set(error, EINVAL,
1596                                           RTE_FLOW_ERROR_TYPE_ITEM,
1597                                           NULL,
1598                                           "match on port id is valid only"
1599                                           " when transfer flag is enabled");
1600         if (item_flags & MLX5_FLOW_ITEM_PORT_ID)
1601                 return rte_flow_error_set(error, ENOTSUP,
1602                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1603                                           "multiple source ports are not"
1604                                           " supported");
1605         if (!mask)
1606                 mask = &switch_mask;
1607         if (mask->id != 0xffffffff)
1608                 return rte_flow_error_set(error, ENOTSUP,
1609                                            RTE_FLOW_ERROR_TYPE_ITEM_MASK,
1610                                            mask,
1611                                            "no support for partial mask on"
1612                                            " \"id\" field");
1613         ret = mlx5_flow_item_acceptable
1614                                 (item, (const uint8_t *)mask,
1615                                  (const uint8_t *)&rte_flow_item_port_id_mask,
1616                                  sizeof(struct rte_flow_item_port_id),
1617                                  error);
1618         if (ret)
1619                 return ret;
1620         if (!spec)
1621                 return 0;
1622         esw_priv = mlx5_port_to_eswitch_info(spec->id, false);
1623         if (!esw_priv)
1624                 return rte_flow_error_set(error, rte_errno,
1625                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
1626                                           "failed to obtain E-Switch info for"
1627                                           " port");
1628         dev_priv = mlx5_dev_to_eswitch_info(dev);
1629         if (!dev_priv)
1630                 return rte_flow_error_set(error, rte_errno,
1631                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1632                                           NULL,
1633                                           "failed to obtain E-Switch info");
1634         if (esw_priv->domain_id != dev_priv->domain_id)
1635                 return rte_flow_error_set(error, EINVAL,
1636                                           RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
1637                                           "cannot match on a port from a"
1638                                           " different E-Switch");
1639         return 0;
1640 }
1641
1642 /**
1643  * Validate GTP item.
1644  *
1645  * @param[in] dev
1646  *   Pointer to the rte_eth_dev structure.
1647  * @param[in] item
1648  *   Item specification.
1649  * @param[in] item_flags
1650  *   Bit-fields that holds the items detected until now.
1651  * @param[out] error
1652  *   Pointer to error structure.
1653  *
1654  * @return
1655  *   0 on success, a negative errno value otherwise and rte_errno is set.
1656  */
1657 static int
1658 flow_dv_validate_item_gtp(struct rte_eth_dev *dev,
1659                           const struct rte_flow_item *item,
1660                           uint64_t item_flags,
1661                           struct rte_flow_error *error)
1662 {
1663         struct mlx5_priv *priv = dev->data->dev_private;
1664         const struct rte_flow_item_gtp *mask = item->mask;
1665         const struct rte_flow_item_gtp nic_mask = {
1666                 .msg_type = 0xff,
1667                 .teid = RTE_BE32(0xffffffff),
1668         };
1669
1670         if (!priv->config.hca_attr.tunnel_stateless_gtp)
1671                 return rte_flow_error_set(error, ENOTSUP,
1672                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1673                                           "GTP support is not enabled");
1674         if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
1675                 return rte_flow_error_set(error, ENOTSUP,
1676                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1677                                           "multiple tunnel layers not"
1678                                           " supported");
1679         if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
1680                 return rte_flow_error_set(error, EINVAL,
1681                                           RTE_FLOW_ERROR_TYPE_ITEM, item,
1682                                           "no outer UDP layer found");
1683         if (!mask)
1684                 mask = &rte_flow_item_gtp_mask;
1685         return mlx5_flow_item_acceptable
1686                 (item, (const uint8_t *)mask,
1687                  (const uint8_t *)&nic_mask,
1688                  sizeof(struct rte_flow_item_gtp),
1689                  error);
1690 }
1691
1692 /**
1693  * Validate the pop VLAN action.
1694  *
1695  * @param[in] dev
1696  *   Pointer to the rte_eth_dev structure.
1697  * @param[in] action_flags
1698  *   Holds the actions detected until now.
1699  * @param[in] action
1700  *   Pointer to the pop vlan action.
1701  * @param[in] item_flags
1702  *   The items found in this flow rule.
1703  * @param[in] attr
1704  *   Pointer to flow attributes.
1705  * @param[out] error
1706  *   Pointer to error structure.
1707  *
1708  * @return
1709  *   0 on success, a negative errno value otherwise and rte_errno is set.
1710  */
1711 static int
1712 flow_dv_validate_action_pop_vlan(struct rte_eth_dev *dev,
1713                                  uint64_t action_flags,
1714                                  const struct rte_flow_action *action,
1715                                  uint64_t item_flags,
1716                                  const struct rte_flow_attr *attr,
1717                                  struct rte_flow_error *error)
1718 {
1719         const struct mlx5_priv *priv = dev->data->dev_private;
1720
1721         (void)action;
1722         (void)attr;
1723         if (!priv->sh->pop_vlan_action)
1724                 return rte_flow_error_set(error, ENOTSUP,
1725                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1726                                           NULL,
1727                                           "pop vlan action is not supported");
1728         if (attr->egress)
1729                 return rte_flow_error_set(error, ENOTSUP,
1730                                           RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
1731                                           NULL,
1732                                           "pop vlan action not supported for "
1733                                           "egress");
1734         if (action_flags & MLX5_FLOW_VLAN_ACTIONS)
1735                 return rte_flow_error_set(error, ENOTSUP,
1736                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1737                                           "no support for multiple VLAN "
1738                                           "actions");
1739         if (!(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
1740                 return rte_flow_error_set(error, ENOTSUP,
1741                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1742                                           NULL,
1743                                           "cannot pop vlan without a "
1744                                           "match on (outer) vlan in the flow");
1745         if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1746                 return rte_flow_error_set(error, EINVAL,
1747                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1748                                           "wrong action order, port_id should "
1749                                           "be after pop VLAN action");
1750         if (!attr->transfer && priv->representor)
1751                 return rte_flow_error_set(error, ENOTSUP,
1752                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1753                                           "pop vlan action for VF representor "
1754                                           "not supported on NIC table");
1755         return 0;
1756 }
1757
1758 /**
1759  * Get VLAN default info from vlan match info.
1760  *
1761  * @param[in] items
1762  *   the list of item specifications.
1763  * @param[out] vlan
1764  *   pointer VLAN info to fill to.
1765  *
1766  * @return
1767  *   0 on success, a negative errno value otherwise and rte_errno is set.
1768  */
1769 static void
1770 flow_dev_get_vlan_info_from_items(const struct rte_flow_item *items,
1771                                   struct rte_vlan_hdr *vlan)
1772 {
1773         const struct rte_flow_item_vlan nic_mask = {
1774                 .tci = RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK |
1775                                 MLX5DV_FLOW_VLAN_VID_MASK),
1776                 .inner_type = RTE_BE16(0xffff),
1777         };
1778
1779         if (items == NULL)
1780                 return;
1781         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
1782                 int type = items->type;
1783
1784                 if (type == RTE_FLOW_ITEM_TYPE_VLAN ||
1785                     type == MLX5_RTE_FLOW_ITEM_TYPE_VLAN)
1786                         break;
1787         }
1788         if (items->type != RTE_FLOW_ITEM_TYPE_END) {
1789                 const struct rte_flow_item_vlan *vlan_m = items->mask;
1790                 const struct rte_flow_item_vlan *vlan_v = items->spec;
1791
1792                 if (!vlan_m)
1793                         vlan_m = &nic_mask;
1794                 /* Only full match values are accepted */
1795                 if ((vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) ==
1796                      MLX5DV_FLOW_VLAN_PCP_MASK_BE) {
1797                         vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_PCP_MASK;
1798                         vlan->vlan_tci |=
1799                                 rte_be_to_cpu_16(vlan_v->tci &
1800                                                  MLX5DV_FLOW_VLAN_PCP_MASK_BE);
1801                 }
1802                 if ((vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) ==
1803                      MLX5DV_FLOW_VLAN_VID_MASK_BE) {
1804                         vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
1805                         vlan->vlan_tci |=
1806                                 rte_be_to_cpu_16(vlan_v->tci &
1807                                                  MLX5DV_FLOW_VLAN_VID_MASK_BE);
1808                 }
1809                 if (vlan_m->inner_type == nic_mask.inner_type)
1810                         vlan->eth_proto = rte_be_to_cpu_16(vlan_v->inner_type &
1811                                                            vlan_m->inner_type);
1812         }
1813 }
1814
1815 /**
1816  * Validate the push VLAN action.
1817  *
1818  * @param[in] dev
1819  *   Pointer to the rte_eth_dev structure.
1820  * @param[in] action_flags
1821  *   Holds the actions detected until now.
1822  * @param[in] item_flags
1823  *   The items found in this flow rule.
1824  * @param[in] action
1825  *   Pointer to the action structure.
1826  * @param[in] attr
1827  *   Pointer to flow attributes
1828  * @param[out] error
1829  *   Pointer to error structure.
1830  *
1831  * @return
1832  *   0 on success, a negative errno value otherwise and rte_errno is set.
1833  */
1834 static int
1835 flow_dv_validate_action_push_vlan(struct rte_eth_dev *dev,
1836                                   uint64_t action_flags,
1837                                   const struct rte_flow_item_vlan *vlan_m,
1838                                   const struct rte_flow_action *action,
1839                                   const struct rte_flow_attr *attr,
1840                                   struct rte_flow_error *error)
1841 {
1842         const struct rte_flow_action_of_push_vlan *push_vlan = action->conf;
1843         const struct mlx5_priv *priv = dev->data->dev_private;
1844
1845         if (!attr->transfer && attr->ingress)
1846                 return rte_flow_error_set(error, ENOTSUP,
1847                                           RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1848                                           NULL,
1849                                           "push VLAN action not supported for "
1850                                           "ingress");
1851         if (push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_VLAN) &&
1852             push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_QINQ))
1853                 return rte_flow_error_set(error, EINVAL,
1854                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1855                                           "invalid vlan ethertype");
1856         if (action_flags & MLX5_FLOW_VLAN_ACTIONS)
1857                 return rte_flow_error_set(error, ENOTSUP,
1858                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1859                                           "no support for multiple VLAN "
1860                                           "actions");
1861         if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1862                 return rte_flow_error_set(error, EINVAL,
1863                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1864                                           "wrong action order, port_id should "
1865                                           "be after push VLAN");
1866         if (!attr->transfer && priv->representor)
1867                 return rte_flow_error_set(error, ENOTSUP,
1868                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1869                                           "push vlan action for VF representor "
1870                                           "not supported on NIC table");
1871         if (vlan_m &&
1872             (vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) &&
1873             (vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) !=
1874                 MLX5DV_FLOW_VLAN_PCP_MASK_BE &&
1875             !(action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_PCP) &&
1876             !(mlx5_flow_find_action
1877                 (action + 1, RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP)))
1878                 return rte_flow_error_set(error, EINVAL,
1879                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1880                                           "not full match mask on VLAN PCP and "
1881                                           "there is no of_set_vlan_pcp action, "
1882                                           "push VLAN action cannot figure out "
1883                                           "PCP value");
1884         if (vlan_m &&
1885             (vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) &&
1886             (vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) !=
1887                 MLX5DV_FLOW_VLAN_VID_MASK_BE &&
1888             !(action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_VID) &&
1889             !(mlx5_flow_find_action
1890                 (action + 1, RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID)))
1891                 return rte_flow_error_set(error, EINVAL,
1892                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1893                                           "not full match mask on VLAN VID and "
1894                                           "there is no of_set_vlan_vid action, "
1895                                           "push VLAN action cannot figure out "
1896                                           "VID value");
1897         (void)attr;
1898         return 0;
1899 }
1900
1901 /**
1902  * Validate the set VLAN PCP.
1903  *
1904  * @param[in] action_flags
1905  *   Holds the actions detected until now.
1906  * @param[in] actions
1907  *   Pointer to the list of actions remaining in the flow rule.
1908  * @param[out] error
1909  *   Pointer to error structure.
1910  *
1911  * @return
1912  *   0 on success, a negative errno value otherwise and rte_errno is set.
1913  */
1914 static int
1915 flow_dv_validate_action_set_vlan_pcp(uint64_t action_flags,
1916                                      const struct rte_flow_action actions[],
1917                                      struct rte_flow_error *error)
1918 {
1919         const struct rte_flow_action *action = actions;
1920         const struct rte_flow_action_of_set_vlan_pcp *conf = action->conf;
1921
1922         if (conf->vlan_pcp > 7)
1923                 return rte_flow_error_set(error, EINVAL,
1924                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1925                                           "VLAN PCP value is too big");
1926         if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
1927                 return rte_flow_error_set(error, ENOTSUP,
1928                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1929                                           "set VLAN PCP action must follow "
1930                                           "the push VLAN action");
1931         if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_PCP)
1932                 return rte_flow_error_set(error, ENOTSUP,
1933                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1934                                           "Multiple VLAN PCP modification are "
1935                                           "not supported");
1936         if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1937                 return rte_flow_error_set(error, EINVAL,
1938                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1939                                           "wrong action order, port_id should "
1940                                           "be after set VLAN PCP");
1941         return 0;
1942 }
1943
1944 /**
1945  * Validate the set VLAN VID.
1946  *
1947  * @param[in] item_flags
1948  *   Holds the items detected in this rule.
1949  * @param[in] action_flags
1950  *   Holds the actions detected until now.
1951  * @param[in] actions
1952  *   Pointer to the list of actions remaining in the flow rule.
1953  * @param[out] error
1954  *   Pointer to error structure.
1955  *
1956  * @return
1957  *   0 on success, a negative errno value otherwise and rte_errno is set.
1958  */
1959 static int
1960 flow_dv_validate_action_set_vlan_vid(uint64_t item_flags,
1961                                      uint64_t action_flags,
1962                                      const struct rte_flow_action actions[],
1963                                      struct rte_flow_error *error)
1964 {
1965         const struct rte_flow_action *action = actions;
1966         const struct rte_flow_action_of_set_vlan_vid *conf = action->conf;
1967
1968         if (conf->vlan_vid > RTE_BE16(0xFFE))
1969                 return rte_flow_error_set(error, EINVAL,
1970                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1971                                           "VLAN VID value is too big");
1972         if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN) &&
1973             !(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
1974                 return rte_flow_error_set(error, ENOTSUP,
1975                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1976                                           "set VLAN VID action must follow push"
1977                                           " VLAN action or match on VLAN item");
1978         if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_VID)
1979                 return rte_flow_error_set(error, ENOTSUP,
1980                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1981                                           "Multiple VLAN VID modifications are "
1982                                           "not supported");
1983         if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
1984                 return rte_flow_error_set(error, EINVAL,
1985                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
1986                                           "wrong action order, port_id should "
1987                                           "be after set VLAN VID");
1988         return 0;
1989 }
1990
1991 /*
1992  * Validate the FLAG action.
1993  *
1994  * @param[in] dev
1995  *   Pointer to the rte_eth_dev structure.
1996  * @param[in] action_flags
1997  *   Holds the actions detected until now.
1998  * @param[in] attr
1999  *   Pointer to flow attributes
2000  * @param[out] error
2001  *   Pointer to error structure.
2002  *
2003  * @return
2004  *   0 on success, a negative errno value otherwise and rte_errno is set.
2005  */
2006 static int
2007 flow_dv_validate_action_flag(struct rte_eth_dev *dev,
2008                              uint64_t action_flags,
2009                              const struct rte_flow_attr *attr,
2010                              struct rte_flow_error *error)
2011 {
2012         struct mlx5_priv *priv = dev->data->dev_private;
2013         struct mlx5_dev_config *config = &priv->config;
2014         int ret;
2015
2016         /* Fall back if no extended metadata register support. */
2017         if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
2018                 return mlx5_flow_validate_action_flag(action_flags, attr,
2019                                                       error);
2020         /* Extensive metadata mode requires registers. */
2021         if (!mlx5_flow_ext_mreg_supported(dev))
2022                 return rte_flow_error_set(error, ENOTSUP,
2023                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2024                                           "no metadata registers "
2025                                           "to support flag action");
2026         if (!(priv->sh->dv_mark_mask & MLX5_FLOW_MARK_DEFAULT))
2027                 return rte_flow_error_set(error, ENOTSUP,
2028                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2029                                           "extended metadata register"
2030                                           " isn't available");
2031         ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
2032         if (ret < 0)
2033                 return ret;
2034         MLX5_ASSERT(ret > 0);
2035         if (action_flags & MLX5_FLOW_ACTION_MARK)
2036                 return rte_flow_error_set(error, EINVAL,
2037                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2038                                           "can't mark and flag in same flow");
2039         if (action_flags & MLX5_FLOW_ACTION_FLAG)
2040                 return rte_flow_error_set(error, EINVAL,
2041                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2042                                           "can't have 2 flag"
2043                                           " actions in same flow");
2044         return 0;
2045 }
2046
2047 /**
2048  * Validate MARK action.
2049  *
2050  * @param[in] dev
2051  *   Pointer to the rte_eth_dev structure.
2052  * @param[in] action
2053  *   Pointer to action.
2054  * @param[in] action_flags
2055  *   Holds the actions detected until now.
2056  * @param[in] attr
2057  *   Pointer to flow attributes
2058  * @param[out] error
2059  *   Pointer to error structure.
2060  *
2061  * @return
2062  *   0 on success, a negative errno value otherwise and rte_errno is set.
2063  */
2064 static int
2065 flow_dv_validate_action_mark(struct rte_eth_dev *dev,
2066                              const struct rte_flow_action *action,
2067                              uint64_t action_flags,
2068                              const struct rte_flow_attr *attr,
2069                              struct rte_flow_error *error)
2070 {
2071         struct mlx5_priv *priv = dev->data->dev_private;
2072         struct mlx5_dev_config *config = &priv->config;
2073         const struct rte_flow_action_mark *mark = action->conf;
2074         int ret;
2075
2076         /* Fall back if no extended metadata register support. */
2077         if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
2078                 return mlx5_flow_validate_action_mark(action, action_flags,
2079                                                       attr, error);
2080         /* Extensive metadata mode requires registers. */
2081         if (!mlx5_flow_ext_mreg_supported(dev))
2082                 return rte_flow_error_set(error, ENOTSUP,
2083                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2084                                           "no metadata registers "
2085                                           "to support mark action");
2086         if (!priv->sh->dv_mark_mask)
2087                 return rte_flow_error_set(error, ENOTSUP,
2088                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2089                                           "extended metadata register"
2090                                           " isn't available");
2091         ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
2092         if (ret < 0)
2093                 return ret;
2094         MLX5_ASSERT(ret > 0);
2095         if (!mark)
2096                 return rte_flow_error_set(error, EINVAL,
2097                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2098                                           "configuration cannot be null");
2099         if (mark->id >= (MLX5_FLOW_MARK_MAX & priv->sh->dv_mark_mask))
2100                 return rte_flow_error_set(error, EINVAL,
2101                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
2102                                           &mark->id,
2103                                           "mark id exceeds the limit");
2104         if (action_flags & MLX5_FLOW_ACTION_FLAG)
2105                 return rte_flow_error_set(error, EINVAL,
2106                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2107                                           "can't flag and mark in same flow");
2108         if (action_flags & MLX5_FLOW_ACTION_MARK)
2109                 return rte_flow_error_set(error, EINVAL,
2110                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2111                                           "can't have 2 mark actions in same"
2112                                           " flow");
2113         return 0;
2114 }
2115
2116 /**
2117  * Validate SET_META action.
2118  *
2119  * @param[in] dev
2120  *   Pointer to the rte_eth_dev structure.
2121  * @param[in] action
2122  *   Pointer to the action structure.
2123  * @param[in] action_flags
2124  *   Holds the actions detected until now.
2125  * @param[in] attr
2126  *   Pointer to flow attributes
2127  * @param[out] error
2128  *   Pointer to error structure.
2129  *
2130  * @return
2131  *   0 on success, a negative errno value otherwise and rte_errno is set.
2132  */
2133 static int
2134 flow_dv_validate_action_set_meta(struct rte_eth_dev *dev,
2135                                  const struct rte_flow_action *action,
2136                                  uint64_t action_flags __rte_unused,
2137                                  const struct rte_flow_attr *attr,
2138                                  struct rte_flow_error *error)
2139 {
2140         const struct rte_flow_action_set_meta *conf;
2141         uint32_t nic_mask = UINT32_MAX;
2142         int reg;
2143
2144         if (!mlx5_flow_ext_mreg_supported(dev))
2145                 return rte_flow_error_set(error, ENOTSUP,
2146                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2147                                           "extended metadata register"
2148                                           " isn't supported");
2149         reg = flow_dv_get_metadata_reg(dev, attr, error);
2150         if (reg < 0)
2151                 return reg;
2152         if (reg != REG_A && reg != REG_B) {
2153                 struct mlx5_priv *priv = dev->data->dev_private;
2154
2155                 nic_mask = priv->sh->dv_meta_mask;
2156         }
2157         if (!(action->conf))
2158                 return rte_flow_error_set(error, EINVAL,
2159                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2160                                           "configuration cannot be null");
2161         conf = (const struct rte_flow_action_set_meta *)action->conf;
2162         if (!conf->mask)
2163                 return rte_flow_error_set(error, EINVAL,
2164                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2165                                           "zero mask doesn't have any effect");
2166         if (conf->mask & ~nic_mask)
2167                 return rte_flow_error_set(error, EINVAL,
2168                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2169                                           "meta data must be within reg C0");
2170         return 0;
2171 }
2172
2173 /**
2174  * Validate SET_TAG action.
2175  *
2176  * @param[in] dev
2177  *   Pointer to the rte_eth_dev structure.
2178  * @param[in] action
2179  *   Pointer to the action structure.
2180  * @param[in] action_flags
2181  *   Holds the actions detected until now.
2182  * @param[in] attr
2183  *   Pointer to flow attributes
2184  * @param[out] error
2185  *   Pointer to error structure.
2186  *
2187  * @return
2188  *   0 on success, a negative errno value otherwise and rte_errno is set.
2189  */
2190 static int
2191 flow_dv_validate_action_set_tag(struct rte_eth_dev *dev,
2192                                 const struct rte_flow_action *action,
2193                                 uint64_t action_flags,
2194                                 const struct rte_flow_attr *attr,
2195                                 struct rte_flow_error *error)
2196 {
2197         const struct rte_flow_action_set_tag *conf;
2198         const uint64_t terminal_action_flags =
2199                 MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE |
2200                 MLX5_FLOW_ACTION_RSS;
2201         int ret;
2202
2203         if (!mlx5_flow_ext_mreg_supported(dev))
2204                 return rte_flow_error_set(error, ENOTSUP,
2205                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2206                                           "extensive metadata register"
2207                                           " isn't supported");
2208         if (!(action->conf))
2209                 return rte_flow_error_set(error, EINVAL,
2210                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2211                                           "configuration cannot be null");
2212         conf = (const struct rte_flow_action_set_tag *)action->conf;
2213         if (!conf->mask)
2214                 return rte_flow_error_set(error, EINVAL,
2215                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2216                                           "zero mask doesn't have any effect");
2217         ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
2218         if (ret < 0)
2219                 return ret;
2220         if (!attr->transfer && attr->ingress &&
2221             (action_flags & terminal_action_flags))
2222                 return rte_flow_error_set(error, EINVAL,
2223                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2224                                           "set_tag has no effect"
2225                                           " with terminal actions");
2226         return 0;
2227 }
2228
2229 /**
2230  * Validate count action.
2231  *
2232  * @param[in] dev
2233  *   Pointer to rte_eth_dev structure.
2234  * @param[out] error
2235  *   Pointer to error structure.
2236  *
2237  * @return
2238  *   0 on success, a negative errno value otherwise and rte_errno is set.
2239  */
2240 static int
2241 flow_dv_validate_action_count(struct rte_eth_dev *dev,
2242                               struct rte_flow_error *error)
2243 {
2244         struct mlx5_priv *priv = dev->data->dev_private;
2245
2246         if (!priv->config.devx)
2247                 goto notsup_err;
2248 #ifdef HAVE_IBV_FLOW_DEVX_COUNTERS
2249         return 0;
2250 #endif
2251 notsup_err:
2252         return rte_flow_error_set
2253                       (error, ENOTSUP,
2254                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2255                        NULL,
2256                        "count action not supported");
2257 }
2258
2259 /**
2260  * Validate the L2 encap action.
2261  *
2262  * @param[in] dev
2263  *   Pointer to the rte_eth_dev structure.
2264  * @param[in] action_flags
2265  *   Holds the actions detected until now.
2266  * @param[in] action
2267  *   Pointer to the action structure.
2268  * @param[in] attr
2269  *   Pointer to flow attributes.
2270  * @param[out] error
2271  *   Pointer to error structure.
2272  *
2273  * @return
2274  *   0 on success, a negative errno value otherwise and rte_errno is set.
2275  */
2276 static int
2277 flow_dv_validate_action_l2_encap(struct rte_eth_dev *dev,
2278                                  uint64_t action_flags,
2279                                  const struct rte_flow_action *action,
2280                                  const struct rte_flow_attr *attr,
2281                                  struct rte_flow_error *error)
2282 {
2283         const struct mlx5_priv *priv = dev->data->dev_private;
2284
2285         if (!(action->conf))
2286                 return rte_flow_error_set(error, EINVAL,
2287                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
2288                                           "configuration cannot be null");
2289         if (action_flags & MLX5_FLOW_ACTION_ENCAP)
2290                 return rte_flow_error_set(error, EINVAL,
2291                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2292                                           "can only have a single encap action "
2293                                           "in a flow");
2294         if (!attr->transfer && priv->representor)
2295                 return rte_flow_error_set(error, ENOTSUP,
2296                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2297                                           "encap action for VF representor "
2298                                           "not supported on NIC table");
2299         return 0;
2300 }
2301
2302 /**
2303  * Validate a decap action.
2304  *
2305  * @param[in] dev
2306  *   Pointer to the rte_eth_dev structure.
2307  * @param[in] action_flags
2308  *   Holds the actions detected until now.
2309  * @param[in] attr
2310  *   Pointer to flow attributes
2311  * @param[out] error
2312  *   Pointer to error structure.
2313  *
2314  * @return
2315  *   0 on success, a negative errno value otherwise and rte_errno is set.
2316  */
2317 static int
2318 flow_dv_validate_action_decap(struct rte_eth_dev *dev,
2319                               uint64_t action_flags,
2320                               const struct rte_flow_attr *attr,
2321                               struct rte_flow_error *error)
2322 {
2323         const struct mlx5_priv *priv = dev->data->dev_private;
2324
2325         if (action_flags & MLX5_FLOW_XCAP_ACTIONS)
2326                 return rte_flow_error_set(error, ENOTSUP,
2327                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2328                                           action_flags &
2329                                           MLX5_FLOW_ACTION_DECAP ? "can only "
2330                                           "have a single decap action" : "decap "
2331                                           "after encap is not supported");
2332         if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
2333                 return rte_flow_error_set(error, EINVAL,
2334                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2335                                           "can't have decap action after"
2336                                           " modify action");
2337         if (attr->egress)
2338                 return rte_flow_error_set(error, ENOTSUP,
2339                                           RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
2340                                           NULL,
2341                                           "decap action not supported for "
2342                                           "egress");
2343         if (!attr->transfer && priv->representor)
2344                 return rte_flow_error_set(error, ENOTSUP,
2345                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2346                                           "decap action for VF representor "
2347                                           "not supported on NIC table");
2348         return 0;
2349 }
2350
2351 const struct rte_flow_action_raw_decap empty_decap = {.data = NULL, .size = 0,};
2352
2353 /**
2354  * Validate the raw encap and decap actions.
2355  *
2356  * @param[in] dev
2357  *   Pointer to the rte_eth_dev structure.
2358  * @param[in] decap
2359  *   Pointer to the decap action.
2360  * @param[in] encap
2361  *   Pointer to the encap action.
2362  * @param[in] attr
2363  *   Pointer to flow attributes
2364  * @param[in/out] action_flags
2365  *   Holds the actions detected until now.
2366  * @param[out] actions_n
2367  *   pointer to the number of actions counter.
2368  * @param[out] error
2369  *   Pointer to error structure.
2370  *
2371  * @return
2372  *   0 on success, a negative errno value otherwise and rte_errno is set.
2373  */
2374 static int
2375 flow_dv_validate_action_raw_encap_decap
2376         (struct rte_eth_dev *dev,
2377          const struct rte_flow_action_raw_decap *decap,
2378          const struct rte_flow_action_raw_encap *encap,
2379          const struct rte_flow_attr *attr, uint64_t *action_flags,
2380          int *actions_n, struct rte_flow_error *error)
2381 {
2382         const struct mlx5_priv *priv = dev->data->dev_private;
2383         int ret;
2384
2385         if (encap && (!encap->size || !encap->data))
2386                 return rte_flow_error_set(error, EINVAL,
2387                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
2388                                           "raw encap data cannot be empty");
2389         if (decap && encap) {
2390                 if (decap->size <= MLX5_ENCAPSULATION_DECISION_SIZE &&
2391                     encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
2392                         /* L3 encap. */
2393                         decap = NULL;
2394                 else if (encap->size <=
2395                            MLX5_ENCAPSULATION_DECISION_SIZE &&
2396                            decap->size >
2397                            MLX5_ENCAPSULATION_DECISION_SIZE)
2398                         /* L3 decap. */
2399                         encap = NULL;
2400                 else if (encap->size >
2401                            MLX5_ENCAPSULATION_DECISION_SIZE &&
2402                            decap->size >
2403                            MLX5_ENCAPSULATION_DECISION_SIZE)
2404                         /* 2 L2 actions: encap and decap. */
2405                         ;
2406                 else
2407                         return rte_flow_error_set(error,
2408                                 ENOTSUP,
2409                                 RTE_FLOW_ERROR_TYPE_ACTION,
2410                                 NULL, "unsupported too small "
2411                                 "raw decap and too small raw "
2412                                 "encap combination");
2413         }
2414         if (decap) {
2415                 ret = flow_dv_validate_action_decap(dev, *action_flags, attr,
2416                                                     error);
2417                 if (ret < 0)
2418                         return ret;
2419                 *action_flags |= MLX5_FLOW_ACTION_DECAP;
2420                 ++(*actions_n);
2421         }
2422         if (encap) {
2423                 if (encap->size <= MLX5_ENCAPSULATION_DECISION_SIZE)
2424                         return rte_flow_error_set(error, ENOTSUP,
2425                                                   RTE_FLOW_ERROR_TYPE_ACTION,
2426                                                   NULL,
2427                                                   "small raw encap size");
2428                 if (*action_flags & MLX5_FLOW_ACTION_ENCAP)
2429                         return rte_flow_error_set(error, EINVAL,
2430                                                   RTE_FLOW_ERROR_TYPE_ACTION,
2431                                                   NULL,
2432                                                   "more than one encap action");
2433                 if (!attr->transfer && priv->representor)
2434                         return rte_flow_error_set
2435                                         (error, ENOTSUP,
2436                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2437                                          "encap action for VF representor "
2438                                          "not supported on NIC table");
2439                 *action_flags |= MLX5_FLOW_ACTION_ENCAP;
2440                 ++(*actions_n);
2441         }
2442         return 0;
2443 }
2444
2445 /**
2446  * Find existing encap/decap resource or create and register a new one.
2447  *
2448  * @param[in, out] dev
2449  *   Pointer to rte_eth_dev structure.
2450  * @param[in, out] resource
2451  *   Pointer to encap/decap resource.
2452  * @parm[in, out] dev_flow
2453  *   Pointer to the dev_flow.
2454  * @param[out] error
2455  *   pointer to error structure.
2456  *
2457  * @return
2458  *   0 on success otherwise -errno and errno is set.
2459  */
2460 static int
2461 flow_dv_encap_decap_resource_register
2462                         (struct rte_eth_dev *dev,
2463                          struct mlx5_flow_dv_encap_decap_resource *resource,
2464                          struct mlx5_flow *dev_flow,
2465                          struct rte_flow_error *error)
2466 {
2467         struct mlx5_priv *priv = dev->data->dev_private;
2468         struct mlx5_ibv_shared *sh = priv->sh;
2469         struct mlx5_flow_dv_encap_decap_resource *cache_resource;
2470         struct mlx5dv_dr_domain *domain;
2471         uint32_t idx = 0;
2472
2473         resource->flags = dev_flow->dv.group ? 0 : 1;
2474         if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
2475                 domain = sh->fdb_domain;
2476         else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
2477                 domain = sh->rx_domain;
2478         else
2479                 domain = sh->tx_domain;
2480         /* Lookup a matching resource from cache. */
2481         ILIST_FOREACH(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], sh->encaps_decaps, idx,
2482                       cache_resource, next) {
2483                 if (resource->reformat_type == cache_resource->reformat_type &&
2484                     resource->ft_type == cache_resource->ft_type &&
2485                     resource->flags == cache_resource->flags &&
2486                     resource->size == cache_resource->size &&
2487                     !memcmp((const void *)resource->buf,
2488                             (const void *)cache_resource->buf,
2489                             resource->size)) {
2490                         DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
2491                                 (void *)cache_resource,
2492                                 rte_atomic32_read(&cache_resource->refcnt));
2493                         rte_atomic32_inc(&cache_resource->refcnt);
2494                         dev_flow->handle->dvh.rix_encap_decap = idx;
2495                         dev_flow->dv.encap_decap = cache_resource;
2496                         return 0;
2497                 }
2498         }
2499         /* Register new encap/decap resource. */
2500         cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
2501                                        &dev_flow->handle->dvh.rix_encap_decap);
2502         if (!cache_resource)
2503                 return rte_flow_error_set(error, ENOMEM,
2504                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2505                                           "cannot allocate resource memory");
2506         *cache_resource = *resource;
2507         cache_resource->verbs_action =
2508                 mlx5_glue->dv_create_flow_action_packet_reformat
2509                         (sh->ctx, cache_resource->reformat_type,
2510                          cache_resource->ft_type, domain, cache_resource->flags,
2511                          cache_resource->size,
2512                          (cache_resource->size ? cache_resource->buf : NULL));
2513         if (!cache_resource->verbs_action) {
2514                 rte_free(cache_resource);
2515                 return rte_flow_error_set(error, ENOMEM,
2516                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2517                                           NULL, "cannot create action");
2518         }
2519         rte_atomic32_init(&cache_resource->refcnt);
2520         rte_atomic32_inc(&cache_resource->refcnt);
2521         ILIST_INSERT(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], &sh->encaps_decaps,
2522                      dev_flow->handle->dvh.rix_encap_decap, cache_resource,
2523                      next);
2524         dev_flow->dv.encap_decap = cache_resource;
2525         DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
2526                 (void *)cache_resource,
2527                 rte_atomic32_read(&cache_resource->refcnt));
2528         return 0;
2529 }
2530
2531 /**
2532  * Find existing table jump resource or create and register a new one.
2533  *
2534  * @param[in, out] dev
2535  *   Pointer to rte_eth_dev structure.
2536  * @param[in, out] tbl
2537  *   Pointer to flow table resource.
2538  * @parm[in, out] dev_flow
2539  *   Pointer to the dev_flow.
2540  * @param[out] error
2541  *   pointer to error structure.
2542  *
2543  * @return
2544  *   0 on success otherwise -errno and errno is set.
2545  */
2546 static int
2547 flow_dv_jump_tbl_resource_register
2548                         (struct rte_eth_dev *dev __rte_unused,
2549                          struct mlx5_flow_tbl_resource *tbl,
2550                          struct mlx5_flow *dev_flow,
2551                          struct rte_flow_error *error)
2552 {
2553         struct mlx5_flow_tbl_data_entry *tbl_data =
2554                 container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
2555         int cnt;
2556
2557         MLX5_ASSERT(tbl);
2558         cnt = rte_atomic32_read(&tbl_data->jump.refcnt);
2559         if (!cnt) {
2560                 tbl_data->jump.action =
2561                         mlx5_glue->dr_create_flow_action_dest_flow_tbl
2562                         (tbl->obj);
2563                 if (!tbl_data->jump.action)
2564                         return rte_flow_error_set(error, ENOMEM,
2565                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2566                                         NULL, "cannot create jump action");
2567                 DRV_LOG(DEBUG, "new jump table resource %p: refcnt %d++",
2568                         (void *)&tbl_data->jump, cnt);
2569         } else {
2570                 /* old jump should not make the table ref++. */
2571                 flow_dv_tbl_resource_release(dev, &tbl_data->tbl);
2572                 MLX5_ASSERT(tbl_data->jump.action);
2573                 DRV_LOG(DEBUG, "existed jump table resource %p: refcnt %d++",
2574                         (void *)&tbl_data->jump, cnt);
2575         }
2576         rte_atomic32_inc(&tbl_data->jump.refcnt);
2577         dev_flow->handle->rix_jump = tbl_data->idx;
2578         dev_flow->dv.jump = &tbl_data->jump;
2579         return 0;
2580 }
2581
2582 /**
2583  * Find existing table port ID resource or create and register a new one.
2584  *
2585  * @param[in, out] dev
2586  *   Pointer to rte_eth_dev structure.
2587  * @param[in, out] resource
2588  *   Pointer to port ID action resource.
2589  * @parm[in, out] dev_flow
2590  *   Pointer to the dev_flow.
2591  * @param[out] error
2592  *   pointer to error structure.
2593  *
2594  * @return
2595  *   0 on success otherwise -errno and errno is set.
2596  */
2597 static int
2598 flow_dv_port_id_action_resource_register
2599                         (struct rte_eth_dev *dev,
2600                          struct mlx5_flow_dv_port_id_action_resource *resource,
2601                          struct mlx5_flow *dev_flow,
2602                          struct rte_flow_error *error)
2603 {
2604         struct mlx5_priv *priv = dev->data->dev_private;
2605         struct mlx5_ibv_shared *sh = priv->sh;
2606         struct mlx5_flow_dv_port_id_action_resource *cache_resource;
2607         uint32_t idx = 0;
2608
2609         /* Lookup a matching resource from cache. */
2610         ILIST_FOREACH(sh->ipool[MLX5_IPOOL_PORT_ID], sh->port_id_action_list,
2611                       idx, cache_resource, next) {
2612                 if (resource->port_id == cache_resource->port_id) {
2613                         DRV_LOG(DEBUG, "port id action resource resource %p: "
2614                                 "refcnt %d++",
2615                                 (void *)cache_resource,
2616                                 rte_atomic32_read(&cache_resource->refcnt));
2617                         rte_atomic32_inc(&cache_resource->refcnt);
2618                         dev_flow->handle->rix_port_id_action = idx;
2619                         dev_flow->dv.port_id_action = cache_resource;
2620                         return 0;
2621                 }
2622         }
2623         /* Register new port id action resource. */
2624         cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PORT_ID],
2625                                        &dev_flow->handle->rix_port_id_action);
2626         if (!cache_resource)
2627                 return rte_flow_error_set(error, ENOMEM,
2628                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2629                                           "cannot allocate resource memory");
2630         *cache_resource = *resource;
2631         /*
2632          * Depending on rdma_core version the glue routine calls
2633          * either mlx5dv_dr_action_create_dest_ib_port(domain, ibv_port)
2634          * or mlx5dv_dr_action_create_dest_vport(domain, vport_id).
2635          */
2636         cache_resource->action =
2637                 mlx5_glue->dr_create_flow_action_dest_port
2638                         (priv->sh->fdb_domain, resource->port_id);
2639         if (!cache_resource->action) {
2640                 rte_free(cache_resource);
2641                 return rte_flow_error_set(error, ENOMEM,
2642                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2643                                           NULL, "cannot create action");
2644         }
2645         rte_atomic32_init(&cache_resource->refcnt);
2646         rte_atomic32_inc(&cache_resource->refcnt);
2647         ILIST_INSERT(sh->ipool[MLX5_IPOOL_PORT_ID], &sh->port_id_action_list,
2648                      dev_flow->handle->rix_port_id_action, cache_resource,
2649                      next);
2650         dev_flow->dv.port_id_action = cache_resource;
2651         DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
2652                 (void *)cache_resource,
2653                 rte_atomic32_read(&cache_resource->refcnt));
2654         return 0;
2655 }
2656
2657 /**
2658  * Find existing push vlan resource or create and register a new one.
2659  *
2660  * @param [in, out] dev
2661  *   Pointer to rte_eth_dev structure.
2662  * @param[in, out] resource
2663  *   Pointer to port ID action resource.
2664  * @parm[in, out] dev_flow
2665  *   Pointer to the dev_flow.
2666  * @param[out] error
2667  *   pointer to error structure.
2668  *
2669  * @return
2670  *   0 on success otherwise -errno and errno is set.
2671  */
2672 static int
2673 flow_dv_push_vlan_action_resource_register
2674                        (struct rte_eth_dev *dev,
2675                         struct mlx5_flow_dv_push_vlan_action_resource *resource,
2676                         struct mlx5_flow *dev_flow,
2677                         struct rte_flow_error *error)
2678 {
2679         struct mlx5_priv *priv = dev->data->dev_private;
2680         struct mlx5_ibv_shared *sh = priv->sh;
2681         struct mlx5_flow_dv_push_vlan_action_resource *cache_resource;
2682         struct mlx5dv_dr_domain *domain;
2683         uint32_t idx = 0;
2684
2685         /* Lookup a matching resource from cache. */
2686         ILIST_FOREACH(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
2687                       sh->push_vlan_action_list, idx, cache_resource, next) {
2688                 if (resource->vlan_tag == cache_resource->vlan_tag &&
2689                     resource->ft_type == cache_resource->ft_type) {
2690                         DRV_LOG(DEBUG, "push-VLAN action resource resource %p: "
2691                                 "refcnt %d++",
2692                                 (void *)cache_resource,
2693                                 rte_atomic32_read(&cache_resource->refcnt));
2694                         rte_atomic32_inc(&cache_resource->refcnt);
2695                         dev_flow->handle->dvh.rix_push_vlan = idx;
2696                         dev_flow->dv.push_vlan_res = cache_resource;
2697                         return 0;
2698                 }
2699         }
2700         /* Register new push_vlan action resource. */
2701         cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
2702                                        &dev_flow->handle->dvh.rix_push_vlan);
2703         if (!cache_resource)
2704                 return rte_flow_error_set(error, ENOMEM,
2705                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
2706                                           "cannot allocate resource memory");
2707         *cache_resource = *resource;
2708         if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
2709                 domain = sh->fdb_domain;
2710         else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
2711                 domain = sh->rx_domain;
2712         else
2713                 domain = sh->tx_domain;
2714         cache_resource->action =
2715                 mlx5_glue->dr_create_flow_action_push_vlan(domain,
2716                                                            resource->vlan_tag);
2717         if (!cache_resource->action) {
2718                 rte_free(cache_resource);
2719                 return rte_flow_error_set(error, ENOMEM,
2720                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
2721                                           NULL, "cannot create action");
2722         }
2723         rte_atomic32_init(&cache_resource->refcnt);
2724         rte_atomic32_inc(&cache_resource->refcnt);
2725         ILIST_INSERT(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
2726                      &sh->push_vlan_action_list,
2727                      dev_flow->handle->dvh.rix_push_vlan,
2728                      cache_resource, next);
2729         dev_flow->dv.push_vlan_res = cache_resource;
2730         DRV_LOG(DEBUG, "new push vlan action resource %p: refcnt %d++",
2731                 (void *)cache_resource,
2732                 rte_atomic32_read(&cache_resource->refcnt));
2733         return 0;
2734 }
2735 /**
2736  * Get the size of specific rte_flow_item_type
2737  *
2738  * @param[in] item_type
2739  *   Tested rte_flow_item_type.
2740  *
2741  * @return
2742  *   sizeof struct item_type, 0 if void or irrelevant.
2743  */
2744 static size_t
2745 flow_dv_get_item_len(const enum rte_flow_item_type item_type)
2746 {
2747         size_t retval;
2748
2749         switch (item_type) {
2750         case RTE_FLOW_ITEM_TYPE_ETH:
2751                 retval = sizeof(struct rte_flow_item_eth);
2752                 break;
2753         case RTE_FLOW_ITEM_TYPE_VLAN:
2754                 retval = sizeof(struct rte_flow_item_vlan);
2755                 break;
2756         case RTE_FLOW_ITEM_TYPE_IPV4:
2757                 retval = sizeof(struct rte_flow_item_ipv4);
2758                 break;
2759         case RTE_FLOW_ITEM_TYPE_IPV6:
2760                 retval = sizeof(struct rte_flow_item_ipv6);
2761                 break;
2762         case RTE_FLOW_ITEM_TYPE_UDP:
2763                 retval = sizeof(struct rte_flow_item_udp);
2764                 break;
2765         case RTE_FLOW_ITEM_TYPE_TCP:
2766                 retval = sizeof(struct rte_flow_item_tcp);
2767                 break;
2768         case RTE_FLOW_ITEM_TYPE_VXLAN:
2769                 retval = sizeof(struct rte_flow_item_vxlan);
2770                 break;
2771         case RTE_FLOW_ITEM_TYPE_GRE:
2772                 retval = sizeof(struct rte_flow_item_gre);
2773                 break;
2774         case RTE_FLOW_ITEM_TYPE_NVGRE:
2775                 retval = sizeof(struct rte_flow_item_nvgre);
2776                 break;
2777         case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
2778                 retval = sizeof(struct rte_flow_item_vxlan_gpe);
2779                 break;
2780         case RTE_FLOW_ITEM_TYPE_MPLS:
2781                 retval = sizeof(struct rte_flow_item_mpls);
2782                 break;
2783         case RTE_FLOW_ITEM_TYPE_VOID: /* Fall through. */
2784         default:
2785                 retval = 0;
2786                 break;
2787         }
2788         return retval;
2789 }
2790
2791 #define MLX5_ENCAP_IPV4_VERSION         0x40
2792 #define MLX5_ENCAP_IPV4_IHL_MIN         0x05
2793 #define MLX5_ENCAP_IPV4_TTL_DEF         0x40
2794 #define MLX5_ENCAP_IPV6_VTC_FLOW        0x60000000
2795 #define MLX5_ENCAP_IPV6_HOP_LIMIT       0xff
2796 #define MLX5_ENCAP_VXLAN_FLAGS          0x08000000
2797 #define MLX5_ENCAP_VXLAN_GPE_FLAGS      0x04
2798
2799 /**
2800  * Convert the encap action data from list of rte_flow_item to raw buffer
2801  *
2802  * @param[in] items
2803  *   Pointer to rte_flow_item objects list.
2804  * @param[out] buf
2805  *   Pointer to the output buffer.
2806  * @param[out] size
2807  *   Pointer to the output buffer size.
2808  * @param[out] error
2809  *   Pointer to the error structure.
2810  *
2811  * @return
2812  *   0 on success, a negative errno value otherwise and rte_errno is set.
2813  */
2814 static int
2815 flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
2816                            size_t *size, struct rte_flow_error *error)
2817 {
2818         struct rte_ether_hdr *eth = NULL;
2819         struct rte_vlan_hdr *vlan = NULL;
2820         struct rte_ipv4_hdr *ipv4 = NULL;
2821         struct rte_ipv6_hdr *ipv6 = NULL;
2822         struct rte_udp_hdr *udp = NULL;
2823         struct rte_vxlan_hdr *vxlan = NULL;
2824         struct rte_vxlan_gpe_hdr *vxlan_gpe = NULL;
2825         struct rte_gre_hdr *gre = NULL;
2826         size_t len;
2827         size_t temp_size = 0;
2828
2829         if (!items)
2830                 return rte_flow_error_set(error, EINVAL,
2831                                           RTE_FLOW_ERROR_TYPE_ACTION,
2832                                           NULL, "invalid empty data");
2833         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
2834                 len = flow_dv_get_item_len(items->type);
2835                 if (len + temp_size > MLX5_ENCAP_MAX_LEN)
2836                         return rte_flow_error_set(error, EINVAL,
2837                                                   RTE_FLOW_ERROR_TYPE_ACTION,
2838                                                   (void *)items->type,
2839                                                   "items total size is too big"
2840                                                   " for encap action");
2841                 rte_memcpy((void *)&buf[temp_size], items->spec, len);
2842                 switch (items->type) {
2843                 case RTE_FLOW_ITEM_TYPE_ETH:
2844                         eth = (struct rte_ether_hdr *)&buf[temp_size];
2845                         break;
2846                 case RTE_FLOW_ITEM_TYPE_VLAN:
2847                         vlan = (struct rte_vlan_hdr *)&buf[temp_size];
2848                         if (!eth)
2849                                 return rte_flow_error_set(error, EINVAL,
2850                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2851                                                 (void *)items->type,
2852                                                 "eth header not found");
2853                         if (!eth->ether_type)
2854                                 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_VLAN);
2855                         break;
2856                 case RTE_FLOW_ITEM_TYPE_IPV4:
2857                         ipv4 = (struct rte_ipv4_hdr *)&buf[temp_size];
2858                         if (!vlan && !eth)
2859                                 return rte_flow_error_set(error, EINVAL,
2860                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2861                                                 (void *)items->type,
2862                                                 "neither eth nor vlan"
2863                                                 " header found");
2864                         if (vlan && !vlan->eth_proto)
2865                                 vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV4);
2866                         else if (eth && !eth->ether_type)
2867                                 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV4);
2868                         if (!ipv4->version_ihl)
2869                                 ipv4->version_ihl = MLX5_ENCAP_IPV4_VERSION |
2870                                                     MLX5_ENCAP_IPV4_IHL_MIN;
2871                         if (!ipv4->time_to_live)
2872                                 ipv4->time_to_live = MLX5_ENCAP_IPV4_TTL_DEF;
2873                         break;
2874                 case RTE_FLOW_ITEM_TYPE_IPV6:
2875                         ipv6 = (struct rte_ipv6_hdr *)&buf[temp_size];
2876                         if (!vlan && !eth)
2877                                 return rte_flow_error_set(error, EINVAL,
2878                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2879                                                 (void *)items->type,
2880                                                 "neither eth nor vlan"
2881                                                 " header found");
2882                         if (vlan && !vlan->eth_proto)
2883                                 vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV6);
2884                         else if (eth && !eth->ether_type)
2885                                 eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV6);
2886                         if (!ipv6->vtc_flow)
2887                                 ipv6->vtc_flow =
2888                                         RTE_BE32(MLX5_ENCAP_IPV6_VTC_FLOW);
2889                         if (!ipv6->hop_limits)
2890                                 ipv6->hop_limits = MLX5_ENCAP_IPV6_HOP_LIMIT;
2891                         break;
2892                 case RTE_FLOW_ITEM_TYPE_UDP:
2893                         udp = (struct rte_udp_hdr *)&buf[temp_size];
2894                         if (!ipv4 && !ipv6)
2895                                 return rte_flow_error_set(error, EINVAL,
2896                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2897                                                 (void *)items->type,
2898                                                 "ip header not found");
2899                         if (ipv4 && !ipv4->next_proto_id)
2900                                 ipv4->next_proto_id = IPPROTO_UDP;
2901                         else if (ipv6 && !ipv6->proto)
2902                                 ipv6->proto = IPPROTO_UDP;
2903                         break;
2904                 case RTE_FLOW_ITEM_TYPE_VXLAN:
2905                         vxlan = (struct rte_vxlan_hdr *)&buf[temp_size];
2906                         if (!udp)
2907                                 return rte_flow_error_set(error, EINVAL,
2908                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2909                                                 (void *)items->type,
2910                                                 "udp header not found");
2911                         if (!udp->dst_port)
2912                                 udp->dst_port = RTE_BE16(MLX5_UDP_PORT_VXLAN);
2913                         if (!vxlan->vx_flags)
2914                                 vxlan->vx_flags =
2915                                         RTE_BE32(MLX5_ENCAP_VXLAN_FLAGS);
2916                         break;
2917                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
2918                         vxlan_gpe = (struct rte_vxlan_gpe_hdr *)&buf[temp_size];
2919                         if (!udp)
2920                                 return rte_flow_error_set(error, EINVAL,
2921                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2922                                                 (void *)items->type,
2923                                                 "udp header not found");
2924                         if (!vxlan_gpe->proto)
2925                                 return rte_flow_error_set(error, EINVAL,
2926                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2927                                                 (void *)items->type,
2928                                                 "next protocol not found");
2929                         if (!udp->dst_port)
2930                                 udp->dst_port =
2931                                         RTE_BE16(MLX5_UDP_PORT_VXLAN_GPE);
2932                         if (!vxlan_gpe->vx_flags)
2933                                 vxlan_gpe->vx_flags =
2934                                                 MLX5_ENCAP_VXLAN_GPE_FLAGS;
2935                         break;
2936                 case RTE_FLOW_ITEM_TYPE_GRE:
2937                 case RTE_FLOW_ITEM_TYPE_NVGRE:
2938                         gre = (struct rte_gre_hdr *)&buf[temp_size];
2939                         if (!gre->proto)
2940                                 return rte_flow_error_set(error, EINVAL,
2941                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2942                                                 (void *)items->type,
2943                                                 "next protocol not found");
2944                         if (!ipv4 && !ipv6)
2945                                 return rte_flow_error_set(error, EINVAL,
2946                                                 RTE_FLOW_ERROR_TYPE_ACTION,
2947                                                 (void *)items->type,
2948                                                 "ip header not found");
2949                         if (ipv4 && !ipv4->next_proto_id)
2950                                 ipv4->next_proto_id = IPPROTO_GRE;
2951                         else if (ipv6 && !ipv6->proto)
2952                                 ipv6->proto = IPPROTO_GRE;
2953                         break;
2954                 case RTE_FLOW_ITEM_TYPE_VOID:
2955                         break;
2956                 default:
2957                         return rte_flow_error_set(error, EINVAL,
2958                                                   RTE_FLOW_ERROR_TYPE_ACTION,
2959                                                   (void *)items->type,
2960                                                   "unsupported item type");
2961                         break;
2962                 }
2963                 temp_size += len;
2964         }
2965         *size = temp_size;
2966         return 0;
2967 }
2968
2969 static int
2970 flow_dv_zero_encap_udp_csum(void *data, struct rte_flow_error *error)
2971 {
2972         struct rte_ether_hdr *eth = NULL;
2973         struct rte_vlan_hdr *vlan = NULL;
2974         struct rte_ipv6_hdr *ipv6 = NULL;
2975         struct rte_udp_hdr *udp = NULL;
2976         char *next_hdr;
2977         uint16_t proto;
2978
2979         eth = (struct rte_ether_hdr *)data;
2980         next_hdr = (char *)(eth + 1);
2981         proto = RTE_BE16(eth->ether_type);
2982
2983         /* VLAN skipping */
2984         while (proto == RTE_ETHER_TYPE_VLAN || proto == RTE_ETHER_TYPE_QINQ) {
2985                 vlan = (struct rte_vlan_hdr *)next_hdr;
2986                 proto = RTE_BE16(vlan->eth_proto);
2987                 next_hdr += sizeof(struct rte_vlan_hdr);
2988         }
2989
2990         /* HW calculates IPv4 csum. no need to proceed */
2991         if (proto == RTE_ETHER_TYPE_IPV4)
2992                 return 0;
2993
2994         /* non IPv4/IPv6 header. not supported */
2995         if (proto != RTE_ETHER_TYPE_IPV6) {
2996                 return rte_flow_error_set(error, ENOTSUP,
2997                                           RTE_FLOW_ERROR_TYPE_ACTION,
2998                                           NULL, "Cannot offload non IPv4/IPv6");
2999         }
3000
3001         ipv6 = (struct rte_ipv6_hdr *)next_hdr;
3002
3003         /* ignore non UDP */
3004         if (ipv6->proto != IPPROTO_UDP)
3005                 return 0;
3006
3007         udp = (struct rte_udp_hdr *)(ipv6 + 1);
3008         udp->dgram_cksum = 0;
3009
3010         return 0;
3011 }
3012
3013 /**
3014  * Convert L2 encap action to DV specification.
3015  *
3016  * @param[in] dev
3017  *   Pointer to rte_eth_dev structure.
3018  * @param[in] action
3019  *   Pointer to action structure.
3020  * @param[in, out] dev_flow
3021  *   Pointer to the mlx5_flow.
3022  * @param[in] transfer
3023  *   Mark if the flow is E-Switch flow.
3024  * @param[out] error
3025  *   Pointer to the error structure.
3026  *
3027  * @return
3028  *   0 on success, a negative errno value otherwise and rte_errno is set.
3029  */
3030 static int
3031 flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
3032                                const struct rte_flow_action *action,
3033                                struct mlx5_flow *dev_flow,
3034                                uint8_t transfer,
3035                                struct rte_flow_error *error)
3036 {
3037         const struct rte_flow_item *encap_data;
3038         const struct rte_flow_action_raw_encap *raw_encap_data;
3039         struct mlx5_flow_dv_encap_decap_resource res = {
3040                 .reformat_type =
3041                         MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,
3042                 .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
3043                                       MLX5DV_FLOW_TABLE_TYPE_NIC_TX,
3044         };
3045
3046         if (action->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
3047                 raw_encap_data =
3048                         (const struct rte_flow_action_raw_encap *)action->conf;
3049                 res.size = raw_encap_data->size;
3050                 memcpy(res.buf, raw_encap_data->data, res.size);
3051         } else {
3052                 if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
3053                         encap_data =
3054                                 ((const struct rte_flow_action_vxlan_encap *)
3055                                                 action->conf)->definition;
3056                 else
3057                         encap_data =
3058                                 ((const struct rte_flow_action_nvgre_encap *)
3059                                                 action->conf)->definition;
3060                 if (flow_dv_convert_encap_data(encap_data, res.buf,
3061                                                &res.size, error))
3062                         return -rte_errno;
3063         }
3064         if (flow_dv_zero_encap_udp_csum(res.buf, error))
3065                 return -rte_errno;
3066         if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
3067                 return rte_flow_error_set(error, EINVAL,
3068                                           RTE_FLOW_ERROR_TYPE_ACTION,
3069                                           NULL, "can't create L2 encap action");
3070         return 0;
3071 }
3072
3073 /**
3074  * Convert L2 decap action to DV specification.
3075  *
3076  * @param[in] dev
3077  *   Pointer to rte_eth_dev structure.
3078  * @param[in, out] dev_flow
3079  *   Pointer to the mlx5_flow.
3080  * @param[in] transfer
3081  *   Mark if the flow is E-Switch flow.
3082  * @param[out] error
3083  *   Pointer to the error structure.
3084  *
3085  * @return
3086  *   0 on success, a negative errno value otherwise and rte_errno is set.
3087  */
3088 static int
3089 flow_dv_create_action_l2_decap(struct rte_eth_dev *dev,
3090                                struct mlx5_flow *dev_flow,
3091                                uint8_t transfer,
3092                                struct rte_flow_error *error)
3093 {
3094         struct mlx5_flow_dv_encap_decap_resource res = {
3095                 .size = 0,
3096                 .reformat_type =
3097                         MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2,
3098                 .ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
3099                                       MLX5DV_FLOW_TABLE_TYPE_NIC_RX,
3100         };
3101
3102         if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
3103                 return rte_flow_error_set(error, EINVAL,
3104                                           RTE_FLOW_ERROR_TYPE_ACTION,
3105                                           NULL, "can't create L2 decap action");
3106         return 0;
3107 }
3108
3109 /**
3110  * Convert raw decap/encap (L3 tunnel) action to DV specification.
3111  *
3112  * @param[in] dev
3113  *   Pointer to rte_eth_dev structure.
3114  * @param[in] action
3115  *   Pointer to action structure.
3116  * @param[in, out] dev_flow
3117  *   Pointer to the mlx5_flow.
3118  * @param[in] attr
3119  *   Pointer to the flow attributes.
3120  * @param[out] error
3121  *   Pointer to the error structure.
3122  *
3123  * @return
3124  *   0 on success, a negative errno value otherwise and rte_errno is set.
3125  */
3126 static int
3127 flow_dv_create_action_raw_encap(struct rte_eth_dev *dev,
3128                                 const struct rte_flow_action *action,
3129                                 struct mlx5_flow *dev_flow,
3130                                 const struct rte_flow_attr *attr,
3131                                 struct rte_flow_error *error)
3132 {
3133         const struct rte_flow_action_raw_encap *encap_data;
3134         struct mlx5_flow_dv_encap_decap_resource res;
3135
3136         memset(&res, 0, sizeof(res));
3137         encap_data = (const struct rte_flow_action_raw_encap *)action->conf;
3138         res.size = encap_data->size;
3139         memcpy(res.buf, encap_data->data, res.size);
3140         res.reformat_type = res.size < MLX5_ENCAPSULATION_DECISION_SIZE ?
3141                 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2 :
3142                 MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
3143         if (attr->transfer)
3144                 res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
3145         else
3146                 res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
3147                                              MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
3148         if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
3149                 return rte_flow_error_set(error, EINVAL,
3150                                           RTE_FLOW_ERROR_TYPE_ACTION,
3151                                           NULL, "can't create encap action");
3152         return 0;
3153 }
3154
3155 /**
3156  * Create action push VLAN.
3157  *
3158  * @param[in] dev
3159  *   Pointer to rte_eth_dev structure.
3160  * @param[in] attr
3161  *   Pointer to the flow attributes.
3162  * @param[in] vlan
3163  *   Pointer to the vlan to push to the Ethernet header.
3164  * @param[in, out] dev_flow
3165  *   Pointer to the mlx5_flow.
3166  * @param[out] error
3167  *   Pointer to the error structure.
3168  *
3169  * @return
3170  *   0 on success, a negative errno value otherwise and rte_errno is set.
3171  */
3172 static int
3173 flow_dv_create_action_push_vlan(struct rte_eth_dev *dev,
3174                                 const struct rte_flow_attr *attr,
3175                                 const struct rte_vlan_hdr *vlan,
3176                                 struct mlx5_flow *dev_flow,
3177                                 struct rte_flow_error *error)
3178 {
3179         struct mlx5_flow_dv_push_vlan_action_resource res;
3180
3181         memset(&res, 0, sizeof(res));
3182         res.vlan_tag =
3183                 rte_cpu_to_be_32(((uint32_t)vlan->eth_proto) << 16 |
3184                                  vlan->vlan_tci);
3185         if (attr->transfer)
3186                 res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
3187         else
3188                 res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
3189                                              MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
3190         return flow_dv_push_vlan_action_resource_register
3191                                             (dev, &res, dev_flow, error);
3192 }
3193
3194 /**
3195  * Validate the modify-header actions.
3196  *
3197  * @param[in] action_flags
3198  *   Holds the actions detected until now.
3199  * @param[in] action
3200  *   Pointer to the modify action.
3201  * @param[out] error
3202  *   Pointer to error structure.
3203  *
3204  * @return
3205  *   0 on success, a negative errno value otherwise and rte_errno is set.
3206  */
3207 static int
3208 flow_dv_validate_action_modify_hdr(const uint64_t action_flags,
3209                                    const struct rte_flow_action *action,
3210                                    struct rte_flow_error *error)
3211 {
3212         if (action->type != RTE_FLOW_ACTION_TYPE_DEC_TTL && !action->conf)
3213                 return rte_flow_error_set(error, EINVAL,
3214                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3215                                           NULL, "action configuration not set");
3216         if (action_flags & MLX5_FLOW_ACTION_ENCAP)
3217                 return rte_flow_error_set(error, EINVAL,
3218                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3219                                           "can't have encap action before"
3220                                           " modify action");
3221         return 0;
3222 }
3223
3224 /**
3225  * Validate the modify-header MAC address actions.
3226  *
3227  * @param[in] action_flags
3228  *   Holds the actions detected until now.
3229  * @param[in] action
3230  *   Pointer to the modify action.
3231  * @param[in] item_flags
3232  *   Holds the items detected.
3233  * @param[out] error
3234  *   Pointer to error structure.
3235  *
3236  * @return
3237  *   0 on success, a negative errno value otherwise and rte_errno is set.
3238  */
3239 static int
3240 flow_dv_validate_action_modify_mac(const uint64_t action_flags,
3241                                    const struct rte_flow_action *action,
3242                                    const uint64_t item_flags,
3243                                    struct rte_flow_error *error)
3244 {
3245         int ret = 0;
3246
3247         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3248         if (!ret) {
3249                 if (!(item_flags & MLX5_FLOW_LAYER_L2))
3250                         return rte_flow_error_set(error, EINVAL,
3251                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3252                                                   NULL,
3253                                                   "no L2 item in pattern");
3254         }
3255         return ret;
3256 }
3257
3258 /**
3259  * Validate the modify-header IPv4 address actions.
3260  *
3261  * @param[in] action_flags
3262  *   Holds the actions detected until now.
3263  * @param[in] action
3264  *   Pointer to the modify action.
3265  * @param[in] item_flags
3266  *   Holds the items detected.
3267  * @param[out] error
3268  *   Pointer to error structure.
3269  *
3270  * @return
3271  *   0 on success, a negative errno value otherwise and rte_errno is set.
3272  */
3273 static int
3274 flow_dv_validate_action_modify_ipv4(const uint64_t action_flags,
3275                                     const struct rte_flow_action *action,
3276                                     const uint64_t item_flags,
3277                                     struct rte_flow_error *error)
3278 {
3279         int ret = 0;
3280         uint64_t layer;
3281
3282         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3283         if (!ret) {
3284                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3285                                  MLX5_FLOW_LAYER_INNER_L3_IPV4 :
3286                                  MLX5_FLOW_LAYER_OUTER_L3_IPV4;
3287                 if (!(item_flags & layer))
3288                         return rte_flow_error_set(error, EINVAL,
3289                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3290                                                   NULL,
3291                                                   "no ipv4 item in pattern");
3292         }
3293         return ret;
3294 }
3295
3296 /**
3297  * Validate the modify-header IPv6 address actions.
3298  *
3299  * @param[in] action_flags
3300  *   Holds the actions detected until now.
3301  * @param[in] action
3302  *   Pointer to the modify action.
3303  * @param[in] item_flags
3304  *   Holds the items detected.
3305  * @param[out] error
3306  *   Pointer to error structure.
3307  *
3308  * @return
3309  *   0 on success, a negative errno value otherwise and rte_errno is set.
3310  */
3311 static int
3312 flow_dv_validate_action_modify_ipv6(const uint64_t action_flags,
3313                                     const struct rte_flow_action *action,
3314                                     const uint64_t item_flags,
3315                                     struct rte_flow_error *error)
3316 {
3317         int ret = 0;
3318         uint64_t layer;
3319
3320         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3321         if (!ret) {
3322                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3323                                  MLX5_FLOW_LAYER_INNER_L3_IPV6 :
3324                                  MLX5_FLOW_LAYER_OUTER_L3_IPV6;
3325                 if (!(item_flags & layer))
3326                         return rte_flow_error_set(error, EINVAL,
3327                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3328                                                   NULL,
3329                                                   "no ipv6 item in pattern");
3330         }
3331         return ret;
3332 }
3333
3334 /**
3335  * Validate the modify-header TP actions.
3336  *
3337  * @param[in] action_flags
3338  *   Holds the actions detected until now.
3339  * @param[in] action
3340  *   Pointer to the modify action.
3341  * @param[in] item_flags
3342  *   Holds the items detected.
3343  * @param[out] error
3344  *   Pointer to error structure.
3345  *
3346  * @return
3347  *   0 on success, a negative errno value otherwise and rte_errno is set.
3348  */
3349 static int
3350 flow_dv_validate_action_modify_tp(const uint64_t action_flags,
3351                                   const struct rte_flow_action *action,
3352                                   const uint64_t item_flags,
3353                                   struct rte_flow_error *error)
3354 {
3355         int ret = 0;
3356         uint64_t layer;
3357
3358         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3359         if (!ret) {
3360                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3361                                  MLX5_FLOW_LAYER_INNER_L4 :
3362                                  MLX5_FLOW_LAYER_OUTER_L4;
3363                 if (!(item_flags & layer))
3364                         return rte_flow_error_set(error, EINVAL,
3365                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3366                                                   NULL, "no transport layer "
3367                                                   "in pattern");
3368         }
3369         return ret;
3370 }
3371
3372 /**
3373  * Validate the modify-header actions of increment/decrement
3374  * TCP Sequence-number.
3375  *
3376  * @param[in] action_flags
3377  *   Holds the actions detected until now.
3378  * @param[in] action
3379  *   Pointer to the modify action.
3380  * @param[in] item_flags
3381  *   Holds the items detected.
3382  * @param[out] error
3383  *   Pointer to error structure.
3384  *
3385  * @return
3386  *   0 on success, a negative errno value otherwise and rte_errno is set.
3387  */
3388 static int
3389 flow_dv_validate_action_modify_tcp_seq(const uint64_t action_flags,
3390                                        const struct rte_flow_action *action,
3391                                        const uint64_t item_flags,
3392                                        struct rte_flow_error *error)
3393 {
3394         int ret = 0;
3395         uint64_t layer;
3396
3397         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3398         if (!ret) {
3399                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3400                                  MLX5_FLOW_LAYER_INNER_L4_TCP :
3401                                  MLX5_FLOW_LAYER_OUTER_L4_TCP;
3402                 if (!(item_flags & layer))
3403                         return rte_flow_error_set(error, EINVAL,
3404                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3405                                                   NULL, "no TCP item in"
3406                                                   " pattern");
3407                 if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ &&
3408                         (action_flags & MLX5_FLOW_ACTION_DEC_TCP_SEQ)) ||
3409                     (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ &&
3410                         (action_flags & MLX5_FLOW_ACTION_INC_TCP_SEQ)))
3411                         return rte_flow_error_set(error, EINVAL,
3412                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3413                                                   NULL,
3414                                                   "cannot decrease and increase"
3415                                                   " TCP sequence number"
3416                                                   " at the same time");
3417         }
3418         return ret;
3419 }
3420
3421 /**
3422  * Validate the modify-header actions of increment/decrement
3423  * TCP Acknowledgment number.
3424  *
3425  * @param[in] action_flags
3426  *   Holds the actions detected until now.
3427  * @param[in] action
3428  *   Pointer to the modify action.
3429  * @param[in] item_flags
3430  *   Holds the items detected.
3431  * @param[out] error
3432  *   Pointer to error structure.
3433  *
3434  * @return
3435  *   0 on success, a negative errno value otherwise and rte_errno is set.
3436  */
3437 static int
3438 flow_dv_validate_action_modify_tcp_ack(const uint64_t action_flags,
3439                                        const struct rte_flow_action *action,
3440                                        const uint64_t item_flags,
3441                                        struct rte_flow_error *error)
3442 {
3443         int ret = 0;
3444         uint64_t layer;
3445
3446         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3447         if (!ret) {
3448                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3449                                  MLX5_FLOW_LAYER_INNER_L4_TCP :
3450                                  MLX5_FLOW_LAYER_OUTER_L4_TCP;
3451                 if (!(item_flags & layer))
3452                         return rte_flow_error_set(error, EINVAL,
3453                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3454                                                   NULL, "no TCP item in"
3455                                                   " pattern");
3456                 if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_ACK &&
3457                         (action_flags & MLX5_FLOW_ACTION_DEC_TCP_ACK)) ||
3458                     (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK &&
3459                         (action_flags & MLX5_FLOW_ACTION_INC_TCP_ACK)))
3460                         return rte_flow_error_set(error, EINVAL,
3461                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3462                                                   NULL,
3463                                                   "cannot decrease and increase"
3464                                                   " TCP acknowledgment number"
3465                                                   " at the same time");
3466         }
3467         return ret;
3468 }
3469
3470 /**
3471  * Validate the modify-header TTL actions.
3472  *
3473  * @param[in] action_flags
3474  *   Holds the actions detected until now.
3475  * @param[in] action
3476  *   Pointer to the modify action.
3477  * @param[in] item_flags
3478  *   Holds the items detected.
3479  * @param[out] error
3480  *   Pointer to error structure.
3481  *
3482  * @return
3483  *   0 on success, a negative errno value otherwise and rte_errno is set.
3484  */
3485 static int
3486 flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
3487                                    const struct rte_flow_action *action,
3488                                    const uint64_t item_flags,
3489                                    struct rte_flow_error *error)
3490 {
3491         int ret = 0;
3492         uint64_t layer;
3493
3494         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3495         if (!ret) {
3496                 layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
3497                                  MLX5_FLOW_LAYER_INNER_L3 :
3498                                  MLX5_FLOW_LAYER_OUTER_L3;
3499                 if (!(item_flags & layer))
3500                         return rte_flow_error_set(error, EINVAL,
3501                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3502                                                   NULL,
3503                                                   "no IP protocol in pattern");
3504         }
3505         return ret;
3506 }
3507
3508 /**
3509  * Validate jump action.
3510  *
3511  * @param[in] action
3512  *   Pointer to the jump action.
3513  * @param[in] action_flags
3514  *   Holds the actions detected until now.
3515  * @param[in] attributes
3516  *   Pointer to flow attributes
3517  * @param[in] external
3518  *   Action belongs to flow rule created by request external to PMD.
3519  * @param[out] error
3520  *   Pointer to error structure.
3521  *
3522  * @return
3523  *   0 on success, a negative errno value otherwise and rte_errno is set.
3524  */
3525 static int
3526 flow_dv_validate_action_jump(const struct rte_flow_action *action,
3527                              uint64_t action_flags,
3528                              const struct rte_flow_attr *attributes,
3529                              bool external, struct rte_flow_error *error)
3530 {
3531         uint32_t target_group, table;
3532         int ret = 0;
3533
3534         if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
3535                             MLX5_FLOW_FATE_ESWITCH_ACTIONS))
3536                 return rte_flow_error_set(error, EINVAL,
3537                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3538                                           "can't have 2 fate actions in"
3539                                           " same flow");
3540         if (action_flags & MLX5_FLOW_ACTION_METER)
3541                 return rte_flow_error_set(error, ENOTSUP,
3542                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3543                                           "jump with meter not support");
3544         if (!action->conf)
3545                 return rte_flow_error_set(error, EINVAL,
3546                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3547                                           NULL, "action configuration not set");
3548         target_group =
3549                 ((const struct rte_flow_action_jump *)action->conf)->group;
3550         ret = mlx5_flow_group_to_table(attributes, external, target_group,
3551                                        true, &table, error);
3552         if (ret)
3553                 return ret;
3554         if (attributes->group == target_group)
3555                 return rte_flow_error_set(error, EINVAL,
3556                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3557                                           "target group must be other than"
3558                                           " the current flow group");
3559         return 0;
3560 }
3561
3562 /*
3563  * Validate the port_id action.
3564  *
3565  * @param[in] dev
3566  *   Pointer to rte_eth_dev structure.
3567  * @param[in] action_flags
3568  *   Bit-fields that holds the actions detected until now.
3569  * @param[in] action
3570  *   Port_id RTE action structure.
3571  * @param[in] attr
3572  *   Attributes of flow that includes this action.
3573  * @param[out] error
3574  *   Pointer to error structure.
3575  *
3576  * @return
3577  *   0 on success, a negative errno value otherwise and rte_errno is set.
3578  */
3579 static int
3580 flow_dv_validate_action_port_id(struct rte_eth_dev *dev,
3581                                 uint64_t action_flags,
3582                                 const struct rte_flow_action *action,
3583                                 const struct rte_flow_attr *attr,
3584                                 struct rte_flow_error *error)
3585 {
3586         const struct rte_flow_action_port_id *port_id;
3587         struct mlx5_priv *act_priv;
3588         struct mlx5_priv *dev_priv;
3589         uint16_t port;
3590
3591         if (!attr->transfer)
3592                 return rte_flow_error_set(error, ENOTSUP,
3593                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3594                                           NULL,
3595                                           "port id action is valid in transfer"
3596                                           " mode only");
3597         if (!action || !action->conf)
3598                 return rte_flow_error_set(error, ENOTSUP,
3599                                           RTE_FLOW_ERROR_TYPE_ACTION_CONF,
3600                                           NULL,
3601                                           "port id action parameters must be"
3602                                           " specified");
3603         if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
3604                             MLX5_FLOW_FATE_ESWITCH_ACTIONS))
3605                 return rte_flow_error_set(error, EINVAL,
3606                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3607                                           "can have only one fate actions in"
3608                                           " a flow");
3609         dev_priv = mlx5_dev_to_eswitch_info(dev);
3610         if (!dev_priv)
3611                 return rte_flow_error_set(error, rte_errno,
3612                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3613                                           NULL,
3614                                           "failed to obtain E-Switch info");
3615         port_id = action->conf;
3616         port = port_id->original ? dev->data->port_id : port_id->id;
3617         act_priv = mlx5_port_to_eswitch_info(port, false);
3618         if (!act_priv)
3619                 return rte_flow_error_set
3620                                 (error, rte_errno,
3621                                  RTE_FLOW_ERROR_TYPE_ACTION_CONF, port_id,
3622                                  "failed to obtain E-Switch port id for port");
3623         if (act_priv->domain_id != dev_priv->domain_id)
3624                 return rte_flow_error_set
3625                                 (error, EINVAL,
3626                                  RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3627                                  "port does not belong to"
3628                                  " E-Switch being configured");
3629         return 0;
3630 }
3631
3632 /**
3633  * Get the maximum number of modify header actions.
3634  *
3635  * @param dev
3636  *   Pointer to rte_eth_dev structure.
3637  * @param flags
3638  *   Flags bits to check if root level.
3639  *
3640  * @return
3641  *   Max number of modify header actions device can support.
3642  */
3643 static inline unsigned int
3644 flow_dv_modify_hdr_action_max(struct rte_eth_dev *dev __rte_unused,
3645                               uint64_t flags)
3646 {
3647         /*
3648          * There's no way to directly query the max capacity from FW.
3649          * The maximal value on root table should be assumed to be supported.
3650          */
3651         if (!(flags & MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL))
3652                 return MLX5_MAX_MODIFY_NUM;
3653         else
3654                 return MLX5_ROOT_TBL_MODIFY_NUM;
3655 }
3656
3657 /**
3658  * Validate the meter action.
3659  *
3660  * @param[in] dev
3661  *   Pointer to rte_eth_dev structure.
3662  * @param[in] action_flags
3663  *   Bit-fields that holds the actions detected until now.
3664  * @param[in] action
3665  *   Pointer to the meter action.
3666  * @param[in] attr
3667  *   Attributes of flow that includes this action.
3668  * @param[out] error
3669  *   Pointer to error structure.
3670  *
3671  * @return
3672  *   0 on success, a negative errno value otherwise and rte_ernno is set.
3673  */
3674 static int
3675 mlx5_flow_validate_action_meter(struct rte_eth_dev *dev,
3676                                 uint64_t action_flags,
3677                                 const struct rte_flow_action *action,
3678                                 const struct rte_flow_attr *attr,
3679                                 struct rte_flow_error *error)
3680 {
3681         struct mlx5_priv *priv = dev->data->dev_private;
3682         const struct rte_flow_action_meter *am = action->conf;
3683         struct mlx5_flow_meter *fm;
3684
3685         if (!am)
3686                 return rte_flow_error_set(error, EINVAL,
3687                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3688                                           "meter action conf is NULL");
3689
3690         if (action_flags & MLX5_FLOW_ACTION_METER)
3691                 return rte_flow_error_set(error, ENOTSUP,
3692                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3693                                           "meter chaining not support");
3694         if (action_flags & MLX5_FLOW_ACTION_JUMP)
3695                 return rte_flow_error_set(error, ENOTSUP,
3696                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3697                                           "meter with jump not support");
3698         if (!priv->mtr_en)
3699                 return rte_flow_error_set(error, ENOTSUP,
3700                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3701                                           NULL,
3702                                           "meter action not supported");
3703         fm = mlx5_flow_meter_find(priv, am->mtr_id);
3704         if (!fm)
3705                 return rte_flow_error_set(error, EINVAL,
3706                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3707                                           "Meter not found");
3708         if (fm->ref_cnt && (!(fm->transfer == attr->transfer ||
3709               (!fm->ingress && !attr->ingress && attr->egress) ||
3710               (!fm->egress && !attr->egress && attr->ingress))))
3711                 return rte_flow_error_set(error, EINVAL,
3712                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3713                                           "Flow attributes are either invalid "
3714                                           "or have a conflict with current "
3715                                           "meter attributes");
3716         return 0;
3717 }
3718
3719 /**
3720  * Validate the age action.
3721  *
3722  * @param[in] action_flags
3723  *   Holds the actions detected until now.
3724  * @param[in] action
3725  *   Pointer to the age action.
3726  * @param[in] dev
3727  *   Pointer to the Ethernet device structure.
3728  * @param[out] error
3729  *   Pointer to error structure.
3730  *
3731  * @return
3732  *   0 on success, a negative errno value otherwise and rte_errno is set.
3733  */
3734 static int
3735 flow_dv_validate_action_age(uint64_t action_flags,
3736                             const struct rte_flow_action *action,
3737                             struct rte_eth_dev *dev,
3738                             struct rte_flow_error *error)
3739 {
3740         struct mlx5_priv *priv = dev->data->dev_private;
3741         const struct rte_flow_action_age *age = action->conf;
3742
3743         if (!priv->config.devx || priv->counter_fallback)
3744                 return rte_flow_error_set(error, ENOTSUP,
3745                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3746                                           NULL,
3747                                           "age action not supported");
3748         if (!(action->conf))
3749                 return rte_flow_error_set(error, EINVAL,
3750                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
3751                                           "configuration cannot be null");
3752         if (age->timeout >= UINT16_MAX / 2 / 10)
3753                 return rte_flow_error_set(error, ENOTSUP,
3754                                           RTE_FLOW_ERROR_TYPE_ACTION, action,
3755                                           "Max age time: 3275 seconds");
3756         if (action_flags & MLX5_FLOW_ACTION_AGE)
3757                 return rte_flow_error_set(error, EINVAL,
3758                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3759                                           "Duplicate age ctions set");
3760         return 0;
3761 }
3762
3763 /**
3764  * Validate the modify-header IPv4 DSCP actions.
3765  *
3766  * @param[in] action_flags
3767  *   Holds the actions detected until now.
3768  * @param[in] action
3769  *   Pointer to the modify action.
3770  * @param[in] item_flags
3771  *   Holds the items detected.
3772  * @param[out] error
3773  *   Pointer to error structure.
3774  *
3775  * @return
3776  *   0 on success, a negative errno value otherwise and rte_errno is set.
3777  */
3778 static int
3779 flow_dv_validate_action_modify_ipv4_dscp(const uint64_t action_flags,
3780                                          const struct rte_flow_action *action,
3781                                          const uint64_t item_flags,
3782                                          struct rte_flow_error *error)
3783 {
3784         int ret = 0;
3785
3786         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3787         if (!ret) {
3788                 if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV4))
3789                         return rte_flow_error_set(error, EINVAL,
3790                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3791                                                   NULL,
3792                                                   "no ipv4 item in pattern");
3793         }
3794         return ret;
3795 }
3796
3797 /**
3798  * Validate the modify-header IPv6 DSCP actions.
3799  *
3800  * @param[in] action_flags
3801  *   Holds the actions detected until now.
3802  * @param[in] action
3803  *   Pointer to the modify action.
3804  * @param[in] item_flags
3805  *   Holds the items detected.
3806  * @param[out] error
3807  *   Pointer to error structure.
3808  *
3809  * @return
3810  *   0 on success, a negative errno value otherwise and rte_errno is set.
3811  */
3812 static int
3813 flow_dv_validate_action_modify_ipv6_dscp(const uint64_t action_flags,
3814                                          const struct rte_flow_action *action,
3815                                          const uint64_t item_flags,
3816                                          struct rte_flow_error *error)
3817 {
3818         int ret = 0;
3819
3820         ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
3821         if (!ret) {
3822                 if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV6))
3823                         return rte_flow_error_set(error, EINVAL,
3824                                                   RTE_FLOW_ERROR_TYPE_ACTION,
3825                                                   NULL,
3826                                                   "no ipv6 item in pattern");
3827         }
3828         return ret;
3829 }
3830
3831 /**
3832  * Find existing modify-header resource or create and register a new one.
3833  *
3834  * @param dev[in, out]
3835  *   Pointer to rte_eth_dev structure.
3836  * @param[in, out] resource
3837  *   Pointer to modify-header resource.
3838  * @parm[in, out] dev_flow
3839  *   Pointer to the dev_flow.
3840  * @param[out] error
3841  *   pointer to error structure.
3842  *
3843  * @return
3844  *   0 on success otherwise -errno and errno is set.
3845  */
3846 static int
3847 flow_dv_modify_hdr_resource_register
3848                         (struct rte_eth_dev *dev,
3849                          struct mlx5_flow_dv_modify_hdr_resource *resource,
3850                          struct mlx5_flow *dev_flow,
3851                          struct rte_flow_error *error)
3852 {
3853         struct mlx5_priv *priv = dev->data->dev_private;
3854         struct mlx5_ibv_shared *sh = priv->sh;
3855         struct mlx5_flow_dv_modify_hdr_resource *cache_resource;
3856         struct mlx5dv_dr_domain *ns;
3857         uint32_t actions_len;
3858
3859         resource->flags = dev_flow->dv.group ? 0 :
3860                           MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
3861         if (resource->actions_num > flow_dv_modify_hdr_action_max(dev,
3862                                     resource->flags))
3863                 return rte_flow_error_set(error, EOVERFLOW,
3864                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
3865                                           "too many modify header items");
3866         if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
3867                 ns = sh->fdb_domain;
3868         else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
3869                 ns = sh->tx_domain;
3870         else
3871                 ns = sh->rx_domain;
3872         /* Lookup a matching resource from cache. */
3873         actions_len = resource->actions_num * sizeof(resource->actions[0]);
3874         LIST_FOREACH(cache_resource, &sh->modify_cmds, next) {
3875                 if (resource->ft_type == cache_resource->ft_type &&
3876                     resource->actions_num == cache_resource->actions_num &&
3877                     resource->flags == cache_resource->flags &&
3878                     !memcmp((const void *)resource->actions,
3879                             (const void *)cache_resource->actions,
3880                             actions_len)) {
3881                         DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d++",
3882                                 (void *)cache_resource,
3883                                 rte_atomic32_read(&cache_resource->refcnt));
3884                         rte_atomic32_inc(&cache_resource->refcnt);
3885                         dev_flow->handle->dvh.modify_hdr = cache_resource;
3886                         return 0;
3887                 }
3888         }
3889         /* Register new modify-header resource. */
3890         cache_resource = rte_calloc(__func__, 1,
3891                                     sizeof(*cache_resource) + actions_len, 0);
3892         if (!cache_resource)
3893                 return rte_flow_error_set(error, ENOMEM,
3894                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
3895                                           "cannot allocate resource memory");
3896         *cache_resource = *resource;
3897         rte_memcpy(cache_resource->actions, resource->actions, actions_len);
3898         cache_resource->verbs_action =
3899                 mlx5_glue->dv_create_flow_action_modify_header
3900                                         (sh->ctx, cache_resource->ft_type, ns,
3901                                          cache_resource->flags, actions_len,
3902                                          (uint64_t *)cache_resource->actions);
3903         if (!cache_resource->verbs_action) {
3904                 rte_free(cache_resource);
3905                 return rte_flow_error_set(error, ENOMEM,
3906                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
3907                                           NULL, "cannot create action");
3908         }
3909         rte_atomic32_init(&cache_resource->refcnt);
3910         rte_atomic32_inc(&cache_resource->refcnt);
3911         LIST_INSERT_HEAD(&sh->modify_cmds, cache_resource, next);
3912         dev_flow->handle->dvh.modify_hdr = cache_resource;
3913         DRV_LOG(DEBUG, "new modify-header resource %p: refcnt %d++",
3914                 (void *)cache_resource,
3915                 rte_atomic32_read(&cache_resource->refcnt));
3916         return 0;
3917 }
3918
3919 /**
3920  * Get DV flow counter by index.
3921  *
3922  * @param[in] dev
3923  *   Pointer to the Ethernet device structure.
3924  * @param[in] idx
3925  *   mlx5 flow counter index in the container.
3926  * @param[out] ppool
3927  *   mlx5 flow counter pool in the container,
3928  *
3929  * @return
3930  *   Pointer to the counter, NULL otherwise.
3931  */
3932 static struct mlx5_flow_counter *
3933 flow_dv_counter_get_by_idx(struct rte_eth_dev *dev,
3934                            uint32_t idx,
3935                            struct mlx5_flow_counter_pool **ppool)
3936 {
3937         struct mlx5_priv *priv = dev->data->dev_private;
3938         struct mlx5_pools_container *cont;
3939         struct mlx5_flow_counter_pool *pool;
3940         uint32_t batch = 0, age = 0;
3941
3942         idx--;
3943         age = MLX_CNT_IS_AGE(idx);
3944         idx = age ? idx - MLX5_CNT_AGE_OFFSET : idx;
3945         if (idx >= MLX5_CNT_BATCH_OFFSET) {
3946                 idx -= MLX5_CNT_BATCH_OFFSET;
3947                 batch = 1;
3948         }
3949         cont = MLX5_CNT_CONTAINER(priv->sh, batch, 0, age);
3950         MLX5_ASSERT(idx / MLX5_COUNTERS_PER_POOL < cont->n);
3951         pool = cont->pools[idx / MLX5_COUNTERS_PER_POOL];
3952         MLX5_ASSERT(pool);
3953         if (ppool)
3954                 *ppool = pool;
3955         return MLX5_POOL_GET_CNT(pool, idx % MLX5_COUNTERS_PER_POOL);
3956 }
3957
3958 /**
3959  * Get a pool by devx counter ID.
3960  *
3961  * @param[in] cont
3962  *   Pointer to the counter container.
3963  * @param[in] id
3964  *   The counter devx ID.
3965  *
3966  * @return
3967  *   The counter pool pointer if exists, NULL otherwise,
3968  */
3969 static struct mlx5_flow_counter_pool *
3970 flow_dv_find_pool_by_id(struct mlx5_pools_container *cont, int id)
3971 {
3972         uint32_t i;
3973         uint32_t n_valid = rte_atomic16_read(&cont->n_valid);
3974
3975         for (i = 0; i < n_valid; i++) {
3976                 struct mlx5_flow_counter_pool *pool = cont->pools[i];
3977                 int base = (pool->min_dcs->id / MLX5_COUNTERS_PER_POOL) *
3978                            MLX5_COUNTERS_PER_POOL;
3979
3980                 if (id >= base && id < base + MLX5_COUNTERS_PER_POOL) {
3981                         /*
3982                          * Move the pool to the head, as counter allocate
3983                          * always gets the first pool in the container.
3984                          */
3985                         if (pool != TAILQ_FIRST(&cont->pool_list)) {
3986                                 TAILQ_REMOVE(&cont->pool_list, pool, next);
3987                                 TAILQ_INSERT_HEAD(&cont->pool_list, pool, next);
3988                         }
3989                         return pool;
3990                 }
3991         }
3992         return NULL;
3993 }
3994
3995 /**
3996  * Allocate a new memory for the counter values wrapped by all the needed
3997  * management.
3998  *
3999  * @param[in] dev
4000  *   Pointer to the Ethernet device structure.
4001  * @param[in] raws_n
4002  *   The raw memory areas - each one for MLX5_COUNTERS_PER_POOL counters.
4003  *
4004  * @return
4005  *   The new memory management pointer on success, otherwise NULL and rte_errno
4006  *   is set.
4007  */
4008 static struct mlx5_counter_stats_mem_mng *
4009 flow_dv_create_counter_stat_mem_mng(struct rte_eth_dev *dev, int raws_n)
4010 {
4011         struct mlx5_ibv_shared *sh = ((struct mlx5_priv *)
4012                                         (dev->data->dev_private))->sh;
4013         struct mlx5_devx_mkey_attr mkey_attr;
4014         struct mlx5_counter_stats_mem_mng *mem_mng;
4015         volatile struct flow_counter_stats *raw_data;
4016         int size = (sizeof(struct flow_counter_stats) *
4017                         MLX5_COUNTERS_PER_POOL +
4018                         sizeof(struct mlx5_counter_stats_raw)) * raws_n +
4019                         sizeof(struct mlx5_counter_stats_mem_mng);
4020         uint8_t *mem = rte_calloc(__func__, 1, size, sysconf(_SC_PAGESIZE));
4021         int i;
4022
4023         if (!mem) {
4024                 rte_errno = ENOMEM;
4025                 return NULL;
4026         }
4027         mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
4028         size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
4029         mem_mng->umem = mlx5_glue->devx_umem_reg(sh->ctx, mem, size,
4030                                                  IBV_ACCESS_LOCAL_WRITE);
4031         if (!mem_mng->umem) {
4032                 rte_errno = errno;
4033                 rte_free(mem);
4034                 return NULL;
4035         }
4036         mkey_attr.addr = (uintptr_t)mem;
4037         mkey_attr.size = size;
4038         mkey_attr.umem_id = mem_mng->umem->umem_id;
4039         mkey_attr.pd = sh->pdn;
4040         mkey_attr.log_entity_size = 0;
4041         mkey_attr.pg_access = 0;
4042         mkey_attr.klm_array = NULL;
4043         mkey_attr.klm_num = 0;
4044         mkey_attr.relaxed_ordering = 1;
4045         mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->ctx, &mkey_attr);
4046         if (!mem_mng->dm) {
4047                 mlx5_glue->devx_umem_dereg(mem_mng->umem);
4048                 rte_errno = errno;
4049                 rte_free(mem);
4050                 return NULL;
4051         }
4052         mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
4053         raw_data = (volatile struct flow_counter_stats *)mem;
4054         for (i = 0; i < raws_n; ++i) {
4055                 mem_mng->raws[i].mem_mng = mem_mng;
4056                 mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
4057         }
4058         LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
4059         return mem_mng;
4060 }
4061
4062 /**
4063  * Resize a counter container.
4064  *
4065  * @param[in] dev
4066  *   Pointer to the Ethernet device structure.
4067  * @param[in] batch
4068  *   Whether the pool is for counter that was allocated by batch command.
4069  * @param[in] age
4070  *   Whether the pool is for Aging counter.
4071  *
4072  * @return
4073  *   The new container pointer on success, otherwise NULL and rte_errno is set.
4074  */
4075 static struct mlx5_pools_container *
4076 flow_dv_container_resize(struct rte_eth_dev *dev,
4077                                 uint32_t batch, uint32_t age)
4078 {
4079         struct mlx5_priv *priv = dev->data->dev_private;
4080         struct mlx5_pools_container *cont =
4081                         MLX5_CNT_CONTAINER(priv->sh, batch, 0, age);
4082         struct mlx5_pools_container *new_cont =
4083                         MLX5_CNT_CONTAINER_UNUSED(priv->sh, batch, 0, age);
4084         struct mlx5_counter_stats_mem_mng *mem_mng = NULL;
4085         uint32_t resize = cont->n + MLX5_CNT_CONTAINER_RESIZE;
4086         uint32_t mem_size = sizeof(struct mlx5_flow_counter_pool *) * resize;
4087         int i;
4088
4089         /* Fallback mode has no background thread. Skip the check. */
4090         if (!priv->counter_fallback &&
4091             cont != MLX5_CNT_CONTAINER(priv->sh, batch, 1, age)) {
4092                 /* The last resize still hasn't detected by the host thread. */
4093                 rte_errno = EAGAIN;
4094                 return NULL;
4095         }
4096         new_cont->pools = rte_calloc(__func__, 1, mem_size, 0);
4097         if (!new_cont->pools) {
4098                 rte_errno = ENOMEM;
4099                 return NULL;
4100         }
4101         if (cont->n)
4102                 memcpy(new_cont->pools, cont->pools, cont->n *
4103                        sizeof(struct mlx5_flow_counter_pool *));
4104         /*
4105          * Fallback mode query the counter directly, no background query
4106          * resources are needed.
4107          */
4108         if (!priv->counter_fallback) {
4109                 mem_mng = flow_dv_create_counter_stat_mem_mng(dev,
4110                         MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES);
4111                 if (!mem_mng) {
4112                         rte_free(new_cont->pools);
4113                         return NULL;
4114                 }
4115                 for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
4116                         LIST_INSERT_HEAD(&priv->sh->cmng.free_stat_raws,
4117                                          mem_mng->raws +
4118                                          MLX5_CNT_CONTAINER_RESIZE +
4119                                          i, next);
4120         } else {
4121                 /*
4122                  * Release the old container pools directly as no background
4123                  * thread helps that.
4124                  */
4125                 rte_free(cont->pools);
4126         }
4127         new_cont->n = resize;
4128         rte_atomic16_set(&new_cont->n_valid, rte_atomic16_read(&cont->n_valid));
4129         TAILQ_INIT(&new_cont->pool_list);
4130         TAILQ_CONCAT(&new_cont->pool_list, &cont->pool_list, next);
4131         new_cont->init_mem_mng = mem_mng;
4132         rte_cio_wmb();
4133          /* Flip the master container. */
4134         priv->sh->cmng.mhi[batch][age] ^= (uint8_t)1;
4135         return new_cont;
4136 }
4137
4138 /**
4139  * Query a devx flow counter.
4140  *
4141  * @param[in] dev
4142  *   Pointer to the Ethernet device structure.
4143  * @param[in] cnt
4144  *   Index to the flow counter.
4145  * @param[out] pkts
4146  *   The statistics value of packets.
4147  * @param[out] bytes
4148  *   The statistics value of bytes.
4149  *
4150  * @return
4151  *   0 on success, otherwise a negative errno value and rte_errno is set.
4152  */
4153 static inline int
4154 _flow_dv_query_count(struct rte_eth_dev *dev, uint32_t counter, uint64_t *pkts,
4155                      uint64_t *bytes)
4156 {
4157         struct mlx5_priv *priv = dev->data->dev_private;
4158         struct mlx5_flow_counter_pool *pool = NULL;
4159         struct mlx5_flow_counter *cnt;
4160         struct mlx5_flow_counter_ext *cnt_ext = NULL;
4161         int offset;
4162
4163         cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
4164         MLX5_ASSERT(pool);
4165         if (counter < MLX5_CNT_BATCH_OFFSET) {
4166                 cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt);
4167                 if (priv->counter_fallback)
4168                         return mlx5_devx_cmd_flow_counter_query(cnt_ext->dcs, 0,
4169                                         0, pkts, bytes, 0, NULL, NULL, 0);
4170         }
4171
4172         rte_spinlock_lock(&pool->sl);
4173         /*
4174          * The single counters allocation may allocate smaller ID than the
4175          * current allocated in parallel to the host reading.
4176          * In this case the new counter values must be reported as 0.
4177          */
4178         if (unlikely(cnt_ext && cnt_ext->dcs->id < pool->raw->min_dcs_id)) {
4179                 *pkts = 0;
4180                 *bytes = 0;
4181         } else {
4182                 offset = MLX5_CNT_ARRAY_IDX(pool, cnt);
4183                 *pkts = rte_be_to_cpu_64(pool->raw->data[offset].hits);
4184                 *bytes = rte_be_to_cpu_64(pool->raw->data[offset].bytes);
4185         }
4186         rte_spinlock_unlock(&pool->sl);
4187         return 0;
4188 }
4189
4190 /**
4191  * Create and initialize a new counter pool.
4192  *
4193  * @param[in] dev
4194  *   Pointer to the Ethernet device structure.
4195  * @param[out] dcs
4196  *   The devX counter handle.
4197  * @param[in] batch
4198  *   Whether the pool is for counter that was allocated by batch command.
4199  * @param[in] age
4200  *   Whether the pool is for counter that was allocated for aging.
4201  * @param[in/out] cont_cur
4202  *   Pointer to the container pointer, it will be update in pool resize.
4203  *
4204  * @return
4205  *   The pool container pointer on success, NULL otherwise and rte_errno is set.
4206  */
4207 static struct mlx5_pools_container *
4208 flow_dv_pool_create(struct rte_eth_dev *dev, struct mlx5_devx_obj *dcs,
4209                     uint32_t batch, uint32_t age)
4210 {
4211         struct mlx5_priv *priv = dev->data->dev_private;
4212         struct mlx5_flow_counter_pool *pool;
4213         struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
4214                                                                0, age);
4215         int16_t n_valid = rte_atomic16_read(&cont->n_valid);
4216         uint32_t size = sizeof(*pool);
4217
4218         if (cont->n == n_valid) {
4219                 cont = flow_dv_container_resize(dev, batch, age);
4220                 if (!cont)
4221                         return NULL;
4222         }
4223         size += MLX5_COUNTERS_PER_POOL * CNT_SIZE;
4224         size += (batch ? 0 : MLX5_COUNTERS_PER_POOL * CNTEXT_SIZE);
4225         size += (!age ? 0 : MLX5_COUNTERS_PER_POOL * AGE_SIZE);
4226         pool = rte_calloc(__func__, 1, size, 0);
4227         if (!pool) {
4228                 rte_errno = ENOMEM;
4229                 return NULL;
4230         }
4231         pool->min_dcs = dcs;
4232         if (!priv->counter_fallback)
4233                 pool->raw = cont->init_mem_mng->raws + n_valid %
4234                                                      MLX5_CNT_CONTAINER_RESIZE;
4235         pool->raw_hw = NULL;
4236         pool->type = 0;
4237         pool->type |= (batch ? 0 :  CNT_POOL_TYPE_EXT);
4238         pool->type |= (!age ? 0 :  CNT_POOL_TYPE_AGE);
4239         rte_spinlock_init(&pool->sl);
4240         /*
4241          * The generation of the new allocated counters in this pool is 0, 2 in
4242          * the pool generation makes all the counters valid for allocation.
4243          * The start and end query generation protect the counters be released
4244          * between the query and update gap period will not be reallocated
4245          * without the last query finished and stats updated to the memory.
4246          */
4247         rte_atomic64_set(&pool->start_query_gen, 0x2);
4248         /*
4249          * There's no background query thread for fallback mode, set the
4250          * end_query_gen to the maximum value since no need to wait for
4251          * statistics update.
4252          */
4253         rte_atomic64_set(&pool->end_query_gen, priv->counter_fallback ?
4254                          INT64_MAX : 0x2);
4255         TAILQ_INIT(&pool->counters);
4256         TAILQ_INSERT_HEAD(&cont->pool_list, pool, next);
4257         pool->index = n_valid;
4258         cont->pools[n_valid] = pool;
4259         /* Pool initialization must be updated before host thread access. */
4260         rte_cio_wmb();
4261         rte_atomic16_add(&cont->n_valid, 1);
4262         return cont;
4263 }
4264
4265 /**
4266  * Update the minimum dcs-id for aged or no-aged counter pool.
4267  *
4268  * @param[in] dev
4269  *   Pointer to the Ethernet device structure.
4270  * @param[in] pool
4271  *   Current counter pool.
4272  * @param[in] batch
4273  *   Whether the pool is for counter that was allocated by batch command.
4274  * @param[in] age
4275  *   Whether the counter is for aging.
4276  */
4277 static void
4278 flow_dv_counter_update_min_dcs(struct rte_eth_dev *dev,
4279                         struct mlx5_flow_counter_pool *pool,
4280                         uint32_t batch, uint32_t age)
4281 {
4282         struct mlx5_priv *priv = dev->data->dev_private;
4283         struct mlx5_flow_counter_pool *other;
4284         struct mlx5_pools_container *cont;
4285
4286         cont = MLX5_CNT_CONTAINER(priv->sh, batch, 0, (age ^ 0x1));
4287         other = flow_dv_find_pool_by_id(cont, pool->min_dcs->id);
4288         if (!other)
4289                 return;
4290         if (pool->min_dcs->id < other->min_dcs->id) {
4291                 rte_atomic64_set(&other->a64_dcs,
4292                         rte_atomic64_read(&pool->a64_dcs));
4293         } else {
4294                 rte_atomic64_set(&pool->a64_dcs,
4295                         rte_atomic64_read(&other->a64_dcs));
4296         }
4297 }
4298 /**
4299  * Prepare a new counter and/or a new counter pool.
4300  *
4301  * @param[in] dev
4302  *   Pointer to the Ethernet device structure.
4303  * @param[out] cnt_free
4304  *   Where to put the pointer of a new counter.
4305  * @param[in] batch
4306  *   Whether the pool is for counter that was allocated by batch command.
4307  * @param[in] age
4308  *   Whether the pool is for counter that was allocated for aging.
4309  *
4310  * @return
4311  *   The counter container pointer and @p cnt_free is set on success,
4312  *   NULL otherwise and rte_errno is set.
4313  */
4314 static struct mlx5_pools_container *
4315 flow_dv_counter_pool_prepare(struct rte_eth_dev *dev,
4316                              struct mlx5_flow_counter **cnt_free,
4317                              uint32_t batch, uint32_t age)
4318 {
4319         struct mlx5_priv *priv = dev->data->dev_private;
4320         struct mlx5_pools_container *cont;
4321         struct mlx5_flow_counter_pool *pool;
4322         struct mlx5_devx_obj *dcs = NULL;
4323         struct mlx5_flow_counter *cnt;
4324         uint32_t i;
4325
4326         cont = MLX5_CNT_CONTAINER(priv->sh, batch, 0, age);
4327         if (!batch) {
4328                 /* bulk_bitmap must be 0 for single counter allocation. */
4329                 dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0);
4330                 if (!dcs)
4331                         return NULL;
4332                 pool = flow_dv_find_pool_by_id(cont, dcs->id);
4333                 if (!pool) {
4334                         cont = flow_dv_pool_create(dev, dcs, batch, age);
4335                         if (!cont) {
4336                                 mlx5_devx_cmd_destroy(dcs);
4337                                 return NULL;
4338                         }
4339                         pool = TAILQ_FIRST(&cont->pool_list);
4340                 } else if (dcs->id < pool->min_dcs->id) {
4341                         rte_atomic64_set(&pool->a64_dcs,
4342                                          (int64_t)(uintptr_t)dcs);
4343                 }
4344                 flow_dv_counter_update_min_dcs(dev,
4345                                                 pool, batch, age);
4346                 i = dcs->id % MLX5_COUNTERS_PER_POOL;
4347                 cnt = MLX5_POOL_GET_CNT(pool, i);
4348                 TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
4349                 MLX5_GET_POOL_CNT_EXT(pool, i)->dcs = dcs;
4350                 *cnt_free = cnt;
4351                 return cont;
4352         }
4353         /* bulk_bitmap is in 128 counters units. */
4354         if (priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4)
4355                 dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0x4);
4356         if (!dcs) {
4357                 rte_errno = ENODATA;
4358                 return NULL;
4359         }
4360         cont = flow_dv_pool_create(dev, dcs, batch, age);
4361         if (!cont) {
4362                 mlx5_devx_cmd_destroy(dcs);
4363                 return NULL;
4364         }
4365         pool = TAILQ_FIRST(&cont->pool_list);
4366         for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
4367                 cnt = MLX5_POOL_GET_CNT(pool, i);
4368                 TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
4369         }
4370         *cnt_free = MLX5_POOL_GET_CNT(pool, 0);
4371         return cont;
4372 }
4373
4374 /**
4375  * Search for existed shared counter.
4376  *
4377  * @param[in] cont
4378  *   Pointer to the relevant counter pool container.
4379  * @param[in] id
4380  *   The shared counter ID to search.
4381  * @param[out] ppool
4382  *   mlx5 flow counter pool in the container,
4383  *
4384  * @return
4385  *   NULL if not existed, otherwise pointer to the shared extend counter.
4386  */
4387 static struct mlx5_flow_counter_ext *
4388 flow_dv_counter_shared_search(struct mlx5_pools_container *cont, uint32_t id,
4389                               struct mlx5_flow_counter_pool **ppool)
4390 {
4391         static struct mlx5_flow_counter_ext *cnt;
4392         struct mlx5_flow_counter_pool *pool;
4393         uint32_t i;
4394         uint32_t n_valid = rte_atomic16_read(&cont->n_valid);
4395
4396         for (i = 0; i < n_valid; i++) {
4397                 pool = cont->pools[i];
4398                 for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
4399                         cnt = MLX5_GET_POOL_CNT_EXT(pool, i);
4400                         if (cnt->ref_cnt && cnt->shared && cnt->id == id) {
4401                                 if (ppool)
4402                                         *ppool = cont->pools[i];
4403                                 return cnt;
4404                         }
4405                 }
4406         }
4407         return NULL;
4408 }
4409
4410 /**
4411  * Allocate a flow counter.
4412  *
4413  * @param[in] dev
4414  *   Pointer to the Ethernet device structure.
4415  * @param[in] shared
4416  *   Indicate if this counter is shared with other flows.
4417  * @param[in] id
4418  *   Counter identifier.
4419  * @param[in] group
4420  *   Counter flow group.
4421  * @param[in] age
4422  *   Whether the counter was allocated for aging.
4423  *
4424  * @return
4425  *   Index to flow counter on success, 0 otherwise and rte_errno is set.
4426  */
4427 static uint32_t
4428 flow_dv_counter_alloc(struct rte_eth_dev *dev, uint32_t shared, uint32_t id,
4429                       uint16_t group, uint32_t age)
4430 {
4431         struct mlx5_priv *priv = dev->data->dev_private;
4432         struct mlx5_flow_counter_pool *pool = NULL;
4433         struct mlx5_flow_counter *cnt_free = NULL;
4434         struct mlx5_flow_counter_ext *cnt_ext = NULL;
4435         /*
4436          * Currently group 0 flow counter cannot be assigned to a flow if it is
4437          * not the first one in the batch counter allocation, so it is better
4438          * to allocate counters one by one for these flows in a separate
4439          * container.
4440          * A counter can be shared between different groups so need to take
4441          * shared counters from the single container.
4442          */
4443         uint32_t batch = (group && !shared && !priv->counter_fallback) ? 1 : 0;
4444         struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
4445                                                                0, age);
4446         uint32_t cnt_idx;
4447
4448         if (!priv->config.devx) {
4449                 rte_errno = ENOTSUP;
4450                 return 0;
4451         }
4452         if (shared) {
4453                 cnt_ext = flow_dv_counter_shared_search(cont, id, &pool);
4454                 if (cnt_ext) {
4455                         if (cnt_ext->ref_cnt + 1 == 0) {
4456                                 rte_errno = E2BIG;
4457                                 return 0;
4458                         }
4459                         cnt_ext->ref_cnt++;
4460                         cnt_idx = pool->index * MLX5_COUNTERS_PER_POOL +
4461                                   (cnt_ext->dcs->id % MLX5_COUNTERS_PER_POOL)
4462                                   + 1;
4463                         return cnt_idx;
4464                 }
4465         }
4466         /* Pools which has a free counters are in the start. */
4467         TAILQ_FOREACH(pool, &cont->pool_list, next) {
4468                 /*
4469                  * The free counter reset values must be updated between the
4470                  * counter release to the counter allocation, so, at least one
4471                  * query must be done in this time. ensure it by saving the
4472                  * query generation in the release time.
4473                  * The free list is sorted according to the generation - so if
4474                  * the first one is not updated, all the others are not
4475                  * updated too.
4476                  */
4477                 cnt_free = TAILQ_FIRST(&pool->counters);
4478                 if (cnt_free && cnt_free->query_gen <
4479                     rte_atomic64_read(&pool->end_query_gen))
4480                         break;
4481                 cnt_free = NULL;
4482         }
4483         if (!cnt_free) {
4484                 cont = flow_dv_counter_pool_prepare(dev, &cnt_free, batch, age);
4485                 if (!cont)
4486                         return 0;
4487                 pool = TAILQ_FIRST(&cont->pool_list);
4488         }
4489         if (!batch)
4490                 cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt_free);
4491         /* Create a DV counter action only in the first time usage. */
4492         if (!cnt_free->action) {
4493                 uint16_t offset;
4494                 struct mlx5_devx_obj *dcs;
4495
4496                 if (batch) {
4497                         offset = MLX5_CNT_ARRAY_IDX(pool, cnt_free);
4498                         dcs = pool->min_dcs;
4499                 } else {
4500                         offset = 0;
4501                         dcs = cnt_ext->dcs;
4502                 }
4503                 cnt_free->action = mlx5_glue->dv_create_flow_action_counter
4504                                         (dcs->obj, offset);
4505                 if (!cnt_free->action) {
4506                         rte_errno = errno;
4507                         return 0;
4508                 }
4509         }
4510         cnt_idx = MLX5_MAKE_CNT_IDX(pool->index,
4511                                 MLX5_CNT_ARRAY_IDX(pool, cnt_free));
4512         cnt_idx += batch * MLX5_CNT_BATCH_OFFSET;
4513         cnt_idx += age * MLX5_CNT_AGE_OFFSET;
4514         /* Update the counter reset values. */
4515         if (_flow_dv_query_count(dev, cnt_idx, &cnt_free->hits,
4516                                  &cnt_free->bytes))
4517                 return 0;
4518         if (cnt_ext) {
4519                 cnt_ext->shared = shared;
4520                 cnt_ext->ref_cnt = 1;
4521                 cnt_ext->id = id;
4522         }
4523         if (!priv->counter_fallback && !priv->sh->cmng.query_thread_on)
4524                 /* Start the asynchronous batch query by the host thread. */
4525                 mlx5_set_query_alarm(priv->sh);
4526         TAILQ_REMOVE(&pool->counters, cnt_free, next);
4527         if (TAILQ_EMPTY(&pool->counters)) {
4528                 /* Move the pool to the end of the container pool list. */
4529                 TAILQ_REMOVE(&cont->pool_list, pool, next);
4530                 TAILQ_INSERT_TAIL(&cont->pool_list, pool, next);
4531         }
4532         return cnt_idx;
4533 }
4534
4535 /**
4536  * Get age param from counter index.
4537  *
4538  * @param[in] dev
4539  *   Pointer to the Ethernet device structure.
4540  * @param[in] counter
4541  *   Index to the counter handler.
4542  *
4543  * @return
4544  *   The aging parameter specified for the counter index.
4545  */
4546 static struct mlx5_age_param*
4547 flow_dv_counter_idx_get_age(struct rte_eth_dev *dev,
4548                                 uint32_t counter)
4549 {
4550         struct mlx5_flow_counter *cnt;
4551         struct mlx5_flow_counter_pool *pool = NULL;
4552
4553         flow_dv_counter_get_by_idx(dev, counter, &pool);
4554         counter = (counter - 1) % MLX5_COUNTERS_PER_POOL;
4555         cnt = MLX5_POOL_GET_CNT(pool, counter);
4556         return MLX5_CNT_TO_AGE(cnt);
4557 }
4558
4559 /**
4560  * Remove a flow counter from aged counter list.
4561  *
4562  * @param[in] dev
4563  *   Pointer to the Ethernet device structure.
4564  * @param[in] counter
4565  *   Index to the counter handler.
4566  * @param[in] cnt
4567  *   Pointer to the counter handler.
4568  */
4569 static void
4570 flow_dv_counter_remove_from_age(struct rte_eth_dev *dev,
4571                                 uint32_t counter, struct mlx5_flow_counter *cnt)
4572 {
4573         struct mlx5_age_info *age_info;
4574         struct mlx5_age_param *age_param;
4575         struct mlx5_priv *priv = dev->data->dev_private;
4576
4577         age_info = GET_PORT_AGE_INFO(priv);
4578         age_param = flow_dv_counter_idx_get_age(dev, counter);
4579         if (rte_atomic16_cmpset((volatile uint16_t *)
4580                         &age_param->state,
4581                         AGE_CANDIDATE, AGE_FREE)
4582                         != AGE_CANDIDATE) {
4583                 /**
4584                  * We need the lock even it is age timeout,
4585                  * since counter may still in process.
4586                  */
4587                 rte_spinlock_lock(&age_info->aged_sl);
4588                 TAILQ_REMOVE(&age_info->aged_counters, cnt, next);
4589                 rte_spinlock_unlock(&age_info->aged_sl);
4590         }
4591         rte_atomic16_set(&age_param->state, AGE_FREE);
4592 }
4593 /**
4594  * Release a flow counter.
4595  *
4596  * @param[in] dev
4597  *   Pointer to the Ethernet device structure.
4598  * @param[in] counter
4599  *   Index to the counter handler.
4600  */
4601 static void
4602 flow_dv_counter_release(struct rte_eth_dev *dev, uint32_t counter)
4603 {
4604         struct mlx5_flow_counter_pool *pool = NULL;
4605         struct mlx5_flow_counter *cnt;
4606         struct mlx5_flow_counter_ext *cnt_ext = NULL;
4607
4608         if (!counter)
4609                 return;
4610         cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
4611         MLX5_ASSERT(pool);
4612         if (counter < MLX5_CNT_BATCH_OFFSET) {
4613                 cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt);
4614                 if (cnt_ext && --cnt_ext->ref_cnt)
4615                         return;
4616         }
4617         if (IS_AGE_POOL(pool))
4618                 flow_dv_counter_remove_from_age(dev, counter, cnt);
4619         /* Put the counter in the end - the last updated one. */
4620         TAILQ_INSERT_TAIL(&pool->counters, cnt, next);
4621         /*
4622          * Counters released between query trigger and handler need
4623          * to wait the next round of query. Since the packets arrive
4624          * in the gap period will not be taken into account to the
4625          * old counter.
4626          */
4627         cnt->query_gen = rte_atomic64_read(&pool->start_query_gen);
4628 }
4629
4630 /**
4631  * Verify the @p attributes will be correctly understood by the NIC and store
4632  * them in the @p flow if everything is correct.
4633  *
4634  * @param[in] dev
4635  *   Pointer to dev struct.
4636  * @param[in] attributes
4637  *   Pointer to flow attributes
4638  * @param[in] external
4639  *   This flow rule is created by request external to PMD.
4640  * @param[out] error
4641  *   Pointer to error structure.
4642  *
4643  * @return
4644  *   - 0 on success and non root table.
4645  *   - 1 on success and root table.
4646  *   - a negative errno value otherwise and rte_errno is set.
4647  */
4648 static int
4649 flow_dv_validate_attributes(struct rte_eth_dev *dev,
4650                             const struct rte_flow_attr *attributes,
4651                             bool external __rte_unused,
4652                             struct rte_flow_error *error)
4653 {
4654         struct mlx5_priv *priv = dev->data->dev_private;
4655         uint32_t priority_max = priv->config.flow_prio - 1;
4656         int ret = 0;
4657
4658 #ifndef HAVE_MLX5DV_DR
4659         if (attributes->group)
4660                 return rte_flow_error_set(error, ENOTSUP,
4661                                           RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
4662                                           NULL,
4663                                           "groups are not supported");
4664 #else
4665         uint32_t table = 0;
4666
4667         ret = mlx5_flow_group_to_table(attributes, external,
4668                                        attributes->group, !!priv->fdb_def_rule,
4669                                        &table, error);
4670         if (ret)
4671                 return ret;
4672         if (!table)
4673                 ret = MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
4674 #endif
4675         if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
4676             attributes->priority >= priority_max)
4677                 return rte_flow_error_set(error, ENOTSUP,
4678                                           RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
4679                                           NULL,
4680                                           "priority out of range");
4681         if (attributes->transfer) {
4682                 if (!priv->config.dv_esw_en)
4683                         return rte_flow_error_set
4684                                 (error, ENOTSUP,
4685                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
4686                                  "E-Switch dr is not supported");
4687                 if (!(priv->representor || priv->master))
4688                         return rte_flow_error_set
4689                                 (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
4690                                  NULL, "E-Switch configuration can only be"
4691                                  " done by a master or a representor device");
4692                 if (attributes->egress)
4693                         return rte_flow_error_set
4694                                 (error, ENOTSUP,
4695                                  RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attributes,
4696                                  "egress is not supported");
4697         }
4698         if (!(attributes->egress ^ attributes->ingress))
4699                 return rte_flow_error_set(error, ENOTSUP,
4700                                           RTE_FLOW_ERROR_TYPE_ATTR, NULL,
4701                                           "must specify exactly one of "
4702                                           "ingress or egress");
4703         return ret;
4704 }
4705
4706 /**
4707  * Internal validation function. For validating both actions and items.
4708  *
4709  * @param[in] dev
4710  *   Pointer to the rte_eth_dev structure.
4711  * @param[in] attr
4712  *   Pointer to the flow attributes.
4713  * @param[in] items
4714  *   Pointer to the list of items.
4715  * @param[in] actions
4716  *   Pointer to the list of actions.
4717  * @param[in] external
4718  *   This flow rule is created by request external to PMD.
4719  * @param[in] hairpin
4720  *   Number of hairpin TX actions, 0 means classic flow.
4721  * @param[out] error
4722  *   Pointer to the error structure.
4723  *
4724  * @return
4725  *   0 on success, a negative errno value otherwise and rte_errno is set.
4726  */
4727 static int
4728 flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
4729                  const struct rte_flow_item items[],
4730                  const struct rte_flow_action actions[],
4731                  bool external, int hairpin, struct rte_flow_error *error)
4732 {
4733         int ret;
4734         uint64_t action_flags = 0;
4735         uint64_t item_flags = 0;
4736         uint64_t last_item = 0;
4737         uint8_t next_protocol = 0xff;
4738         uint16_t ether_type = 0;
4739         int actions_n = 0;
4740         uint8_t item_ipv6_proto = 0;
4741         const struct rte_flow_item *gre_item = NULL;
4742         const struct rte_flow_action_raw_decap *decap;
4743         const struct rte_flow_action_raw_encap *encap;
4744         const struct rte_flow_action_rss *rss;
4745         const struct rte_flow_item_tcp nic_tcp_mask = {
4746                 .hdr = {
4747                         .tcp_flags = 0xFF,
4748                         .src_port = RTE_BE16(UINT16_MAX),
4749                         .dst_port = RTE_BE16(UINT16_MAX),
4750                 }
4751         };
4752         const struct rte_flow_item_ipv4 nic_ipv4_mask = {
4753                 .hdr = {
4754                         .src_addr = RTE_BE32(0xffffffff),
4755                         .dst_addr = RTE_BE32(0xffffffff),
4756                         .type_of_service = 0xff,
4757                         .next_proto_id = 0xff,
4758                         .time_to_live = 0xff,
4759                 },
4760         };
4761         const struct rte_flow_item_ipv6 nic_ipv6_mask = {
4762                 .hdr = {
4763                         .src_addr =
4764                         "\xff\xff\xff\xff\xff\xff\xff\xff"
4765                         "\xff\xff\xff\xff\xff\xff\xff\xff",
4766                         .dst_addr =
4767                         "\xff\xff\xff\xff\xff\xff\xff\xff"
4768                         "\xff\xff\xff\xff\xff\xff\xff\xff",
4769                         .vtc_flow = RTE_BE32(0xffffffff),
4770                         .proto = 0xff,
4771                         .hop_limits = 0xff,
4772                 },
4773         };
4774         struct mlx5_priv *priv = dev->data->dev_private;
4775         struct mlx5_dev_config *dev_conf = &priv->config;
4776         uint16_t queue_index = 0xFFFF;
4777         const struct rte_flow_item_vlan *vlan_m = NULL;
4778         int16_t rw_act_num = 0;
4779         uint64_t is_root;
4780
4781         if (items == NULL)
4782                 return -1;
4783         ret = flow_dv_validate_attributes(dev, attr, external, error);
4784         if (ret < 0)
4785                 return ret;
4786         is_root = (uint64_t)ret;
4787         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
4788                 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
4789                 int type = items->type;
4790
4791                 switch (type) {
4792                 case RTE_FLOW_ITEM_TYPE_VOID:
4793                         break;
4794                 case RTE_FLOW_ITEM_TYPE_PORT_ID:
4795                         ret = flow_dv_validate_item_port_id
4796                                         (dev, items, attr, item_flags, error);
4797                         if (ret < 0)
4798                                 return ret;
4799                         last_item = MLX5_FLOW_ITEM_PORT_ID;
4800                         break;
4801                 case RTE_FLOW_ITEM_TYPE_ETH:
4802                         ret = mlx5_flow_validate_item_eth(items, item_flags,
4803                                                           error);
4804                         if (ret < 0)
4805                                 return ret;
4806                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
4807                                              MLX5_FLOW_LAYER_OUTER_L2;
4808                         if (items->mask != NULL && items->spec != NULL) {
4809                                 ether_type =
4810                                         ((const struct rte_flow_item_eth *)
4811                                          items->spec)->type;
4812                                 ether_type &=
4813                                         ((const struct rte_flow_item_eth *)
4814                                          items->mask)->type;
4815                                 ether_type = rte_be_to_cpu_16(ether_type);
4816                         } else {
4817                                 ether_type = 0;
4818                         }
4819                         break;
4820                 case RTE_FLOW_ITEM_TYPE_VLAN:
4821                         ret = mlx5_flow_validate_item_vlan(items, item_flags,
4822                                                            dev, error);
4823                         if (ret < 0)
4824                                 return ret;
4825                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
4826                                              MLX5_FLOW_LAYER_OUTER_VLAN;
4827                         if (items->mask != NULL && items->spec != NULL) {
4828                                 ether_type =
4829                                         ((const struct rte_flow_item_vlan *)
4830                                          items->spec)->inner_type;
4831                                 ether_type &=
4832                                         ((const struct rte_flow_item_vlan *)
4833                                          items->mask)->inner_type;
4834                                 ether_type = rte_be_to_cpu_16(ether_type);
4835                         } else {
4836                                 ether_type = 0;
4837                         }
4838                         /* Store outer VLAN mask for of_push_vlan action. */
4839                         if (!tunnel)
4840                                 vlan_m = items->mask;
4841                         break;
4842                 case RTE_FLOW_ITEM_TYPE_IPV4:
4843                         mlx5_flow_tunnel_ip_check(items, next_protocol,
4844                                                   &item_flags, &tunnel);
4845                         ret = mlx5_flow_validate_item_ipv4(items, item_flags,
4846                                                            last_item,
4847                                                            ether_type,
4848                                                            &nic_ipv4_mask,
4849                                                            error);
4850                         if (ret < 0)
4851                                 return ret;
4852                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
4853                                              MLX5_FLOW_LAYER_OUTER_L3_IPV4;
4854                         if (items->mask != NULL &&
4855                             ((const struct rte_flow_item_ipv4 *)
4856                              items->mask)->hdr.next_proto_id) {
4857                                 next_protocol =
4858                                         ((const struct rte_flow_item_ipv4 *)
4859                                          (items->spec))->hdr.next_proto_id;
4860                                 next_protocol &=
4861                                         ((const struct rte_flow_item_ipv4 *)
4862                                          (items->mask))->hdr.next_proto_id;
4863                         } else {
4864                                 /* Reset for inner layer. */
4865                                 next_protocol = 0xff;
4866                         }
4867                         break;
4868                 case RTE_FLOW_ITEM_TYPE_IPV6:
4869                         mlx5_flow_tunnel_ip_check(items, next_protocol,
4870                                                   &item_flags, &tunnel);
4871                         ret = mlx5_flow_validate_item_ipv6(items, item_flags,
4872                                                            last_item,
4873                                                            ether_type,
4874                                                            &nic_ipv6_mask,
4875                                                            error);
4876                         if (ret < 0)
4877                                 return ret;
4878                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
4879                                              MLX5_FLOW_LAYER_OUTER_L3_IPV6;
4880                         if (items->mask != NULL &&
4881                             ((const struct rte_flow_item_ipv6 *)
4882                              items->mask)->hdr.proto) {
4883                                 item_ipv6_proto =
4884                                         ((const struct rte_flow_item_ipv6 *)
4885                                          items->spec)->hdr.proto;
4886                                 next_protocol =
4887                                         ((const struct rte_flow_item_ipv6 *)
4888                                          items->spec)->hdr.proto;
4889                                 next_protocol &=
4890                                         ((const struct rte_flow_item_ipv6 *)
4891                                          items->mask)->hdr.proto;
4892                         } else {
4893                                 /* Reset for inner layer. */
4894                                 next_protocol = 0xff;
4895                         }
4896                         break;
4897                 case RTE_FLOW_ITEM_TYPE_TCP:
4898                         ret = mlx5_flow_validate_item_tcp
4899                                                 (items, item_flags,
4900                                                  next_protocol,
4901                                                  &nic_tcp_mask,
4902                                                  error);
4903                         if (ret < 0)
4904                                 return ret;
4905                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
4906                                              MLX5_FLOW_LAYER_OUTER_L4_TCP;
4907                         break;
4908                 case RTE_FLOW_ITEM_TYPE_UDP:
4909                         ret = mlx5_flow_validate_item_udp(items, item_flags,
4910                                                           next_protocol,
4911                                                           error);
4912                         if (ret < 0)
4913                                 return ret;
4914                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
4915                                              MLX5_FLOW_LAYER_OUTER_L4_UDP;
4916                         break;
4917                 case RTE_FLOW_ITEM_TYPE_GRE:
4918                         ret = mlx5_flow_validate_item_gre(items, item_flags,
4919                                                           next_protocol, error);
4920                         if (ret < 0)
4921                                 return ret;
4922                         gre_item = items;
4923                         last_item = MLX5_FLOW_LAYER_GRE;
4924                         break;
4925                 case RTE_FLOW_ITEM_TYPE_NVGRE:
4926                         ret = mlx5_flow_validate_item_nvgre(items, item_flags,
4927                                                             next_protocol,
4928                                                             error);
4929                         if (ret < 0)
4930                                 return ret;
4931                         last_item = MLX5_FLOW_LAYER_NVGRE;
4932                         break;
4933                 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
4934                         ret = mlx5_flow_validate_item_gre_key
4935                                 (items, item_flags, gre_item, error);
4936                         if (ret < 0)
4937                                 return ret;
4938                         last_item = MLX5_FLOW_LAYER_GRE_KEY;
4939                         break;
4940                 case RTE_FLOW_ITEM_TYPE_VXLAN:
4941                         ret = mlx5_flow_validate_item_vxlan(items, item_flags,
4942                                                             error);
4943                         if (ret < 0)
4944                                 return ret;
4945                         last_item = MLX5_FLOW_LAYER_VXLAN;
4946                         break;
4947                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
4948                         ret = mlx5_flow_validate_item_vxlan_gpe(items,
4949                                                                 item_flags, dev,
4950                                                                 error);
4951                         if (ret < 0)
4952                                 return ret;
4953                         last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
4954                         break;
4955                 case RTE_FLOW_ITEM_TYPE_GENEVE:
4956                         ret = mlx5_flow_validate_item_geneve(items,
4957                                                              item_flags, dev,
4958                                                              error);
4959                         if (ret < 0)
4960                                 return ret;
4961                         last_item = MLX5_FLOW_LAYER_GENEVE;
4962                         break;
4963                 case RTE_FLOW_ITEM_TYPE_MPLS:
4964                         ret = mlx5_flow_validate_item_mpls(dev, items,
4965                                                            item_flags,
4966                                                            last_item, error);
4967                         if (ret < 0)
4968                                 return ret;
4969                         last_item = MLX5_FLOW_LAYER_MPLS;
4970                         break;
4971
4972                 case RTE_FLOW_ITEM_TYPE_MARK:
4973                         ret = flow_dv_validate_item_mark(dev, items, attr,
4974                                                          error);
4975                         if (ret < 0)
4976                                 return ret;
4977                         last_item = MLX5_FLOW_ITEM_MARK;
4978                         break;
4979                 case RTE_FLOW_ITEM_TYPE_META:
4980                         ret = flow_dv_validate_item_meta(dev, items, attr,
4981                                                          error);
4982                         if (ret < 0)
4983                                 return ret;
4984                         last_item = MLX5_FLOW_ITEM_METADATA;
4985                         break;
4986                 case RTE_FLOW_ITEM_TYPE_ICMP:
4987                         ret = mlx5_flow_validate_item_icmp(items, item_flags,
4988                                                            next_protocol,
4989                                                            error);
4990                         if (ret < 0)
4991                                 return ret;
4992                         last_item = MLX5_FLOW_LAYER_ICMP;
4993                         break;
4994                 case RTE_FLOW_ITEM_TYPE_ICMP6:
4995                         ret = mlx5_flow_validate_item_icmp6(items, item_flags,
4996                                                             next_protocol,
4997                                                             error);
4998                         if (ret < 0)
4999                                 return ret;
5000                         item_ipv6_proto = IPPROTO_ICMPV6;
5001                         last_item = MLX5_FLOW_LAYER_ICMP6;
5002                         break;
5003                 case RTE_FLOW_ITEM_TYPE_TAG:
5004                         ret = flow_dv_validate_item_tag(dev, items,
5005                                                         attr, error);
5006                         if (ret < 0)
5007                                 return ret;
5008                         last_item = MLX5_FLOW_ITEM_TAG;
5009                         break;
5010                 case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
5011                 case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
5012                         break;
5013                 case RTE_FLOW_ITEM_TYPE_GTP:
5014                         ret = flow_dv_validate_item_gtp(dev, items, item_flags,
5015                                                         error);
5016                         if (ret < 0)
5017                                 return ret;
5018                         last_item = MLX5_FLOW_LAYER_GTP;
5019                         break;
5020                 default:
5021                         return rte_flow_error_set(error, ENOTSUP,
5022                                                   RTE_FLOW_ERROR_TYPE_ITEM,
5023                                                   NULL, "item not supported");
5024                 }
5025                 item_flags |= last_item;
5026         }
5027         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
5028                 int type = actions->type;
5029                 if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
5030                         return rte_flow_error_set(error, ENOTSUP,
5031                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5032                                                   actions, "too many actions");
5033                 switch (type) {
5034                 case RTE_FLOW_ACTION_TYPE_VOID:
5035                         break;
5036                 case RTE_FLOW_ACTION_TYPE_PORT_ID:
5037                         ret = flow_dv_validate_action_port_id(dev,
5038                                                               action_flags,
5039                                                               actions,
5040                                                               attr,
5041                                                               error);
5042                         if (ret)
5043                                 return ret;
5044                         action_flags |= MLX5_FLOW_ACTION_PORT_ID;
5045                         ++actions_n;
5046                         break;
5047                 case RTE_FLOW_ACTION_TYPE_FLAG:
5048                         ret = flow_dv_validate_action_flag(dev, action_flags,
5049                                                            attr, error);
5050                         if (ret < 0)
5051                                 return ret;
5052                         if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
5053                                 /* Count all modify-header actions as one. */
5054                                 if (!(action_flags &
5055                                       MLX5_FLOW_MODIFY_HDR_ACTIONS))
5056                                         ++actions_n;
5057                                 action_flags |= MLX5_FLOW_ACTION_FLAG |
5058                                                 MLX5_FLOW_ACTION_MARK_EXT;
5059                         } else {
5060                                 action_flags |= MLX5_FLOW_ACTION_FLAG;
5061                                 ++actions_n;
5062                         }
5063                         rw_act_num += MLX5_ACT_NUM_SET_MARK;
5064                         break;
5065                 case RTE_FLOW_ACTION_TYPE_MARK:
5066                         ret = flow_dv_validate_action_mark(dev, actions,
5067                                                            action_flags,
5068                                                            attr, error);
5069                         if (ret < 0)
5070                                 return ret;
5071                         if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
5072                                 /* Count all modify-header actions as one. */
5073                                 if (!(action_flags &
5074                                       MLX5_FLOW_MODIFY_HDR_ACTIONS))
5075                                         ++actions_n;
5076                                 action_flags |= MLX5_FLOW_ACTION_MARK |
5077                                                 MLX5_FLOW_ACTION_MARK_EXT;
5078                         } else {
5079                                 action_flags |= MLX5_FLOW_ACTION_MARK;
5080                                 ++actions_n;
5081                         }
5082                         rw_act_num += MLX5_ACT_NUM_SET_MARK;
5083                         break;
5084                 case RTE_FLOW_ACTION_TYPE_SET_META:
5085                         ret = flow_dv_validate_action_set_meta(dev, actions,
5086                                                                action_flags,
5087                                                                attr, error);
5088                         if (ret < 0)
5089                                 return ret;
5090                         /* Count all modify-header actions as one action. */
5091                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5092                                 ++actions_n;
5093                         action_flags |= MLX5_FLOW_ACTION_SET_META;
5094                         rw_act_num += MLX5_ACT_NUM_SET_META;
5095                         break;
5096                 case RTE_FLOW_ACTION_TYPE_SET_TAG:
5097                         ret = flow_dv_validate_action_set_tag(dev, actions,
5098                                                               action_flags,
5099                                                               attr, error);
5100                         if (ret < 0)
5101                                 return ret;
5102                         /* Count all modify-header actions as one action. */
5103                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5104                                 ++actions_n;
5105                         action_flags |= MLX5_FLOW_ACTION_SET_TAG;
5106                         rw_act_num += MLX5_ACT_NUM_SET_TAG;
5107                         break;
5108                 case RTE_FLOW_ACTION_TYPE_DROP:
5109                         ret = mlx5_flow_validate_action_drop(action_flags,
5110                                                              attr, error);
5111                         if (ret < 0)
5112                                 return ret;
5113                         action_flags |= MLX5_FLOW_ACTION_DROP;
5114                         ++actions_n;
5115                         break;
5116                 case RTE_FLOW_ACTION_TYPE_QUEUE:
5117                         ret = mlx5_flow_validate_action_queue(actions,
5118                                                               action_flags, dev,
5119                                                               attr, error);
5120                         if (ret < 0)
5121                                 return ret;
5122                         queue_index = ((const struct rte_flow_action_queue *)
5123                                                         (actions->conf))->index;
5124                         action_flags |= MLX5_FLOW_ACTION_QUEUE;
5125                         ++actions_n;
5126                         break;
5127                 case RTE_FLOW_ACTION_TYPE_RSS:
5128                         rss = actions->conf;
5129                         ret = mlx5_flow_validate_action_rss(actions,
5130                                                             action_flags, dev,
5131                                                             attr, item_flags,
5132                                                             error);
5133                         if (ret < 0)
5134                                 return ret;
5135                         if (rss != NULL && rss->queue_num)
5136                                 queue_index = rss->queue[0];
5137                         action_flags |= MLX5_FLOW_ACTION_RSS;
5138                         ++actions_n;
5139                         break;
5140                 case RTE_FLOW_ACTION_TYPE_COUNT:
5141                         ret = flow_dv_validate_action_count(dev, error);
5142                         if (ret < 0)
5143                                 return ret;
5144                         action_flags |= MLX5_FLOW_ACTION_COUNT;
5145                         ++actions_n;
5146                         break;
5147                 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
5148                         if (flow_dv_validate_action_pop_vlan(dev,
5149                                                              action_flags,
5150                                                              actions,
5151                                                              item_flags, attr,
5152                                                              error))
5153                                 return -rte_errno;
5154                         action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
5155                         ++actions_n;
5156                         break;
5157                 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
5158                         ret = flow_dv_validate_action_push_vlan(dev,
5159                                                                 action_flags,
5160                                                                 vlan_m,
5161                                                                 actions, attr,
5162                                                                 error);
5163                         if (ret < 0)
5164                                 return ret;
5165                         action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
5166                         ++actions_n;
5167                         break;
5168                 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
5169                         ret = flow_dv_validate_action_set_vlan_pcp
5170                                                 (action_flags, actions, error);
5171                         if (ret < 0)
5172                                 return ret;
5173                         /* Count PCP with push_vlan command. */
5174                         action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_PCP;
5175                         break;
5176                 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
5177                         ret = flow_dv_validate_action_set_vlan_vid
5178                                                 (item_flags, action_flags,
5179                                                  actions, error);
5180                         if (ret < 0)
5181                                 return ret;
5182                         /* Count VID with push_vlan command. */
5183                         action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
5184                         rw_act_num += MLX5_ACT_NUM_MDF_VID;
5185                         break;
5186                 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
5187                 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
5188                         ret = flow_dv_validate_action_l2_encap(dev,
5189                                                                action_flags,
5190                                                                actions, attr,
5191                                                                error);
5192                         if (ret < 0)
5193                                 return ret;
5194                         action_flags |= MLX5_FLOW_ACTION_ENCAP;
5195                         ++actions_n;
5196                         break;
5197                 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
5198                 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
5199                         ret = flow_dv_validate_action_decap(dev, action_flags,
5200                                                             attr, error);
5201                         if (ret < 0)
5202                                 return ret;
5203                         action_flags |= MLX5_FLOW_ACTION_DECAP;
5204                         ++actions_n;
5205                         break;
5206                 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
5207                         ret = flow_dv_validate_action_raw_encap_decap
5208                                 (dev, NULL, actions->conf, attr, &action_flags,
5209                                  &actions_n, error);
5210                         if (ret < 0)
5211                                 return ret;
5212                         break;
5213                 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
5214                         decap = actions->conf;
5215                         while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
5216                                 ;
5217                         if (actions->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
5218                                 encap = NULL;
5219                                 actions--;
5220                         } else {
5221                                 encap = actions->conf;
5222                         }
5223                         ret = flow_dv_validate_action_raw_encap_decap
5224                                            (dev,
5225                                             decap ? decap : &empty_decap, encap,
5226                                             attr, &action_flags, &actions_n,
5227                                             error);
5228                         if (ret < 0)
5229                                 return ret;
5230                         break;
5231                 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
5232                 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
5233                         ret = flow_dv_validate_action_modify_mac(action_flags,
5234                                                                  actions,
5235                                                                  item_flags,
5236                                                                  error);
5237                         if (ret < 0)
5238                                 return ret;
5239                         /* Count all modify-header actions as one action. */
5240                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5241                                 ++actions_n;
5242                         action_flags |= actions->type ==
5243                                         RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
5244                                                 MLX5_FLOW_ACTION_SET_MAC_SRC :
5245                                                 MLX5_FLOW_ACTION_SET_MAC_DST;
5246                         /*
5247                          * Even if the source and destination MAC addresses have
5248                          * overlap in the header with 4B alignment, the convert
5249                          * function will handle them separately and 4 SW actions
5250                          * will be created. And 2 actions will be added each
5251                          * time no matter how many bytes of address will be set.
5252                          */
5253                         rw_act_num += MLX5_ACT_NUM_MDF_MAC;
5254                         break;
5255                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
5256                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
5257                         ret = flow_dv_validate_action_modify_ipv4(action_flags,
5258                                                                   actions,
5259                                                                   item_flags,
5260                                                                   error);
5261                         if (ret < 0)
5262                                 return ret;
5263                         /* Count all modify-header actions as one action. */
5264                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5265                                 ++actions_n;
5266                         action_flags |= actions->type ==
5267                                         RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
5268                                                 MLX5_FLOW_ACTION_SET_IPV4_SRC :
5269                                                 MLX5_FLOW_ACTION_SET_IPV4_DST;
5270                         rw_act_num += MLX5_ACT_NUM_MDF_IPV4;
5271                         break;
5272                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
5273                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
5274                         ret = flow_dv_validate_action_modify_ipv6(action_flags,
5275                                                                   actions,
5276                                                                   item_flags,
5277                                                                   error);
5278                         if (ret < 0)
5279                                 return ret;
5280                         if (item_ipv6_proto == IPPROTO_ICMPV6)
5281                                 return rte_flow_error_set(error, ENOTSUP,
5282                                         RTE_FLOW_ERROR_TYPE_ACTION,
5283                                         actions,
5284                                         "Can't change header "
5285                                         "with ICMPv6 proto");
5286                         /* Count all modify-header actions as one action. */
5287                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5288                                 ++actions_n;
5289                         action_flags |= actions->type ==
5290                                         RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
5291                                                 MLX5_FLOW_ACTION_SET_IPV6_SRC :
5292                                                 MLX5_FLOW_ACTION_SET_IPV6_DST;
5293                         rw_act_num += MLX5_ACT_NUM_MDF_IPV6;
5294                         break;
5295                 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
5296                 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
5297                         ret = flow_dv_validate_action_modify_tp(action_flags,
5298                                                                 actions,
5299                                                                 item_flags,
5300                                                                 error);
5301                         if (ret < 0)
5302                                 return ret;
5303                         /* Count all modify-header actions as one action. */
5304                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5305                                 ++actions_n;
5306                         action_flags |= actions->type ==
5307                                         RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
5308                                                 MLX5_FLOW_ACTION_SET_TP_SRC :
5309                                                 MLX5_FLOW_ACTION_SET_TP_DST;
5310                         rw_act_num += MLX5_ACT_NUM_MDF_PORT;
5311                         break;
5312                 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
5313                 case RTE_FLOW_ACTION_TYPE_SET_TTL:
5314                         ret = flow_dv_validate_action_modify_ttl(action_flags,
5315                                                                  actions,
5316                                                                  item_flags,
5317                                                                  error);
5318                         if (ret < 0)
5319                                 return ret;
5320                         /* Count all modify-header actions as one action. */
5321                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5322                                 ++actions_n;
5323                         action_flags |= actions->type ==
5324                                         RTE_FLOW_ACTION_TYPE_SET_TTL ?
5325                                                 MLX5_FLOW_ACTION_SET_TTL :
5326                                                 MLX5_FLOW_ACTION_DEC_TTL;
5327                         rw_act_num += MLX5_ACT_NUM_MDF_TTL;
5328                         break;
5329                 case RTE_FLOW_ACTION_TYPE_JUMP:
5330                         ret = flow_dv_validate_action_jump(actions,
5331                                                            action_flags,
5332                                                            attr, external,
5333                                                            error);
5334                         if (ret)
5335                                 return ret;
5336                         ++actions_n;
5337                         action_flags |= MLX5_FLOW_ACTION_JUMP;
5338                         break;
5339                 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
5340                 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
5341                         ret = flow_dv_validate_action_modify_tcp_seq
5342                                                                 (action_flags,
5343                                                                  actions,
5344                                                                  item_flags,
5345                                                                  error);
5346                         if (ret < 0)
5347                                 return ret;
5348                         /* Count all modify-header actions as one action. */
5349                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5350                                 ++actions_n;
5351                         action_flags |= actions->type ==
5352                                         RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
5353                                                 MLX5_FLOW_ACTION_INC_TCP_SEQ :
5354                                                 MLX5_FLOW_ACTION_DEC_TCP_SEQ;
5355                         rw_act_num += MLX5_ACT_NUM_MDF_TCPSEQ;
5356                         break;
5357                 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
5358                 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
5359                         ret = flow_dv_validate_action_modify_tcp_ack
5360                                                                 (action_flags,
5361                                                                  actions,
5362                                                                  item_flags,
5363                                                                  error);
5364                         if (ret < 0)
5365                                 return ret;
5366                         /* Count all modify-header actions as one action. */
5367                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5368                                 ++actions_n;
5369                         action_flags |= actions->type ==
5370                                         RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
5371                                                 MLX5_FLOW_ACTION_INC_TCP_ACK :
5372                                                 MLX5_FLOW_ACTION_DEC_TCP_ACK;
5373                         rw_act_num += MLX5_ACT_NUM_MDF_TCPACK;
5374                         break;
5375                 case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
5376                         break;
5377                 case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
5378                 case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
5379                         rw_act_num += MLX5_ACT_NUM_SET_TAG;
5380                         break;
5381                 case RTE_FLOW_ACTION_TYPE_METER:
5382                         ret = mlx5_flow_validate_action_meter(dev,
5383                                                               action_flags,
5384                                                               actions, attr,
5385                                                               error);
5386                         if (ret < 0)
5387                                 return ret;
5388                         action_flags |= MLX5_FLOW_ACTION_METER;
5389                         ++actions_n;
5390                         /* Meter action will add one more TAG action. */
5391                         rw_act_num += MLX5_ACT_NUM_SET_TAG;
5392                         break;
5393                 case RTE_FLOW_ACTION_TYPE_AGE:
5394                         ret = flow_dv_validate_action_age(action_flags,
5395                                                           actions, dev,
5396                                                           error);
5397                         if (ret < 0)
5398                                 return ret;
5399                         action_flags |= MLX5_FLOW_ACTION_AGE;
5400                         ++actions_n;
5401                         break;
5402                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
5403                         ret = flow_dv_validate_action_modify_ipv4_dscp
5404                                                          (action_flags,
5405                                                           actions,
5406                                                           item_flags,
5407                                                           error);
5408                         if (ret < 0)
5409                                 return ret;
5410                         /* Count all modify-header actions as one action. */
5411                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5412                                 ++actions_n;
5413                         action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
5414                         rw_act_num += MLX5_ACT_NUM_SET_DSCP;
5415                         break;
5416                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
5417                         ret = flow_dv_validate_action_modify_ipv6_dscp
5418                                                                 (action_flags,
5419                                                                  actions,
5420                                                                  item_flags,
5421                                                                  error);
5422                         if (ret < 0)
5423                                 return ret;
5424                         /* Count all modify-header actions as one action. */
5425                         if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
5426                                 ++actions_n;
5427                         action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
5428                         rw_act_num += MLX5_ACT_NUM_SET_DSCP;
5429                         break;
5430                 default:
5431                         return rte_flow_error_set(error, ENOTSUP,
5432                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5433                                                   actions,
5434                                                   "action not supported");
5435                 }
5436         }
5437         /*
5438          * Validate the drop action mutual exclusion with other actions.
5439          * Drop action is mutually-exclusive with any other action, except for
5440          * Count action.
5441          */
5442         if ((action_flags & MLX5_FLOW_ACTION_DROP) &&
5443             (action_flags & ~(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_COUNT)))
5444                 return rte_flow_error_set(error, EINVAL,
5445                                           RTE_FLOW_ERROR_TYPE_ACTION, NULL,
5446                                           "Drop action is mutually-exclusive "
5447                                           "with any other action, except for "
5448                                           "Count action");
5449         /* Eswitch has few restrictions on using items and actions */
5450         if (attr->transfer) {
5451                 if (!mlx5_flow_ext_mreg_supported(dev) &&
5452                     action_flags & MLX5_FLOW_ACTION_FLAG)
5453                         return rte_flow_error_set(error, ENOTSUP,
5454                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5455                                                   NULL,
5456                                                   "unsupported action FLAG");
5457                 if (!mlx5_flow_ext_mreg_supported(dev) &&
5458                     action_flags & MLX5_FLOW_ACTION_MARK)
5459                         return rte_flow_error_set(error, ENOTSUP,
5460                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5461                                                   NULL,
5462                                                   "unsupported action MARK");
5463                 if (action_flags & MLX5_FLOW_ACTION_QUEUE)
5464                         return rte_flow_error_set(error, ENOTSUP,
5465                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5466                                                   NULL,
5467                                                   "unsupported action QUEUE");
5468                 if (action_flags & MLX5_FLOW_ACTION_RSS)
5469                         return rte_flow_error_set(error, ENOTSUP,
5470                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5471                                                   NULL,
5472                                                   "unsupported action RSS");
5473                 if (!(action_flags & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
5474                         return rte_flow_error_set(error, EINVAL,
5475                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5476                                                   actions,
5477                                                   "no fate action is found");
5478         } else {
5479                 if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) && attr->ingress)
5480                         return rte_flow_error_set(error, EINVAL,
5481                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5482                                                   actions,
5483                                                   "no fate action is found");
5484         }
5485         /* Continue validation for Xcap actions.*/
5486         if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) && (queue_index == 0xFFFF ||
5487             mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN)) {
5488                 if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
5489                     MLX5_FLOW_XCAP_ACTIONS)
5490                         return rte_flow_error_set(error, ENOTSUP,
5491                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5492                                                   NULL, "encap and decap "
5493                                                   "combination aren't supported");
5494                 if (!attr->transfer && attr->ingress && (action_flags &
5495                                                         MLX5_FLOW_ACTION_ENCAP))
5496                         return rte_flow_error_set(error, ENOTSUP,
5497                                                   RTE_FLOW_ERROR_TYPE_ACTION,
5498                                                   NULL, "encap is not supported"
5499                                                   " for ingress traffic");
5500         }
5501         /* Hairpin flow will add one more TAG action. */
5502         if (hairpin > 0)
5503                 rw_act_num += MLX5_ACT_NUM_SET_TAG;
5504         /* extra metadata enabled: one more TAG action will be add. */
5505         if (dev_conf->dv_flow_en &&
5506             dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
5507             mlx5_flow_ext_mreg_supported(dev))
5508                 rw_act_num += MLX5_ACT_NUM_SET_TAG;
5509         if ((uint32_t)rw_act_num >
5510                         flow_dv_modify_hdr_action_max(dev, is_root)) {
5511                 return rte_flow_error_set(error, ENOTSUP,
5512                                           RTE_FLOW_ERROR_TYPE_ACTION,
5513                                           NULL, "too many header modify"
5514                                           " actions to support");
5515         }
5516         return 0;
5517 }
5518
5519 /**
5520  * Internal preparation function. Allocates the DV flow size,
5521  * this size is constant.
5522  *
5523  * @param[in] dev
5524  *   Pointer to the rte_eth_dev structure.
5525  * @param[in] attr
5526  *   Pointer to the flow attributes.
5527  * @param[in] items
5528  *   Pointer to the list of items.
5529  * @param[in] actions
5530  *   Pointer to the list of actions.
5531  * @param[out] error
5532  *   Pointer to the error structure.
5533  *
5534  * @return
5535  *   Pointer to mlx5_flow object on success,
5536  *   otherwise NULL and rte_errno is set.
5537  */
5538 static struct mlx5_flow *
5539 flow_dv_prepare(struct rte_eth_dev *dev,
5540                 const struct rte_flow_attr *attr __rte_unused,
5541                 const struct rte_flow_item items[] __rte_unused,
5542                 const struct rte_flow_action actions[] __rte_unused,
5543                 struct rte_flow_error *error)
5544 {
5545         uint32_t handle_idx = 0;
5546         struct mlx5_flow *dev_flow;
5547         struct mlx5_flow_handle *dev_handle;
5548         struct mlx5_priv *priv = dev->data->dev_private;
5549
5550         /* In case of corrupting the memory. */
5551         if (priv->flow_idx >= MLX5_NUM_MAX_DEV_FLOWS) {
5552                 rte_flow_error_set(error, ENOSPC,
5553                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5554                                    "not free temporary device flow");
5555                 return NULL;
5556         }
5557         dev_handle = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
5558                                    &handle_idx);
5559         if (!dev_handle) {
5560                 rte_flow_error_set(error, ENOMEM,
5561                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
5562                                    "not enough memory to create flow handle");
5563                 return NULL;
5564         }
5565         /* No multi-thread supporting. */
5566         dev_flow = &((struct mlx5_flow *)priv->inter_flows)[priv->flow_idx++];
5567         dev_flow->handle = dev_handle;
5568         dev_flow->handle_idx = handle_idx;
5569         dev_flow->dv.value.size = MLX5_ST_SZ_BYTES(fte_match_param);
5570         /*
5571          * The matching value needs to be cleared to 0 before using. In the
5572          * past, it will be automatically cleared when using rte_*alloc
5573          * API. The time consumption will be almost the same as before.
5574          */
5575         memset(dev_flow->dv.value.buf, 0, MLX5_ST_SZ_BYTES(fte_match_param));
5576         dev_flow->ingress = attr->ingress;
5577         dev_flow->dv.transfer = attr->transfer;
5578         return dev_flow;
5579 }
5580
5581 #ifdef RTE_LIBRTE_MLX5_DEBUG
5582 /**
5583  * Sanity check for match mask and value. Similar to check_valid_spec() in
5584  * kernel driver. If unmasked bit is present in value, it returns failure.
5585  *
5586  * @param match_mask
5587  *   pointer to match mask buffer.
5588  * @param match_value
5589  *   pointer to match value buffer.
5590  *
5591  * @return
5592  *   0 if valid, -EINVAL otherwise.
5593  */
5594 static int
5595 flow_dv_check_valid_spec(void *match_mask, void *match_value)
5596 {
5597         uint8_t *m = match_mask;
5598         uint8_t *v = match_value;
5599         unsigned int i;
5600
5601         for (i = 0; i < MLX5_ST_SZ_BYTES(fte_match_param); ++i) {
5602                 if (v[i] & ~m[i]) {
5603                         DRV_LOG(ERR,
5604                                 "match_value differs from match_criteria"
5605                                 " %p[%u] != %p[%u]",
5606                                 match_value, i, match_mask, i);
5607                         return -EINVAL;
5608                 }
5609         }
5610         return 0;
5611 }
5612 #endif
5613
5614 /**
5615  * Add Ethernet item to matcher and to the value.
5616  *
5617  * @param[in, out] matcher
5618  *   Flow matcher.
5619  * @param[in, out] key
5620  *   Flow matcher value.
5621  * @param[in] item
5622  *   Flow pattern to translate.
5623  * @param[in] inner
5624  *   Item is inner pattern.
5625  */
5626 static void
5627 flow_dv_translate_item_eth(void *matcher, void *key,
5628                            const struct rte_flow_item *item, int inner)
5629 {
5630         const struct rte_flow_item_eth *eth_m = item->mask;
5631         const struct rte_flow_item_eth *eth_v = item->spec;
5632         const struct rte_flow_item_eth nic_mask = {
5633                 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
5634                 .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
5635                 .type = RTE_BE16(0xffff),
5636         };
5637         void *headers_m;
5638         void *headers_v;
5639         char *l24_v;
5640         unsigned int i;
5641
5642         if (!eth_v)
5643                 return;
5644         if (!eth_m)
5645                 eth_m = &nic_mask;
5646         if (inner) {
5647                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5648                                          inner_headers);
5649                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5650         } else {
5651                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5652                                          outer_headers);
5653                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5654         }
5655         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, dmac_47_16),
5656                &eth_m->dst, sizeof(eth_m->dst));
5657         /* The value must be in the range of the mask. */
5658         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dmac_47_16);
5659         for (i = 0; i < sizeof(eth_m->dst); ++i)
5660                 l24_v[i] = eth_m->dst.addr_bytes[i] & eth_v->dst.addr_bytes[i];
5661         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m, smac_47_16),
5662                &eth_m->src, sizeof(eth_m->src));
5663         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, smac_47_16);
5664         /* The value must be in the range of the mask. */
5665         for (i = 0; i < sizeof(eth_m->dst); ++i)
5666                 l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i];
5667         if (eth_v->type) {
5668                 /* When ethertype is present set mask for tagged VLAN. */
5669                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5670                 /* Set value for tagged VLAN if ethertype is 802.1Q. */
5671                 if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_VLAN) ||
5672                     eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ)) {
5673                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag,
5674                                  1);
5675                         /* Return here to avoid setting match on ethertype. */
5676                         return;
5677                 }
5678         }
5679         /*
5680          * HW supports match on one Ethertype, the Ethertype following the last
5681          * VLAN tag of the packet (see PRM).
5682          * Set match on ethertype only if ETH header is not followed by VLAN.
5683          */
5684         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
5685                  rte_be_to_cpu_16(eth_m->type));
5686         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, ethertype);
5687         *(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
5688 }
5689
5690 /**
5691  * Add VLAN item to matcher and to the value.
5692  *
5693  * @param[in, out] dev_flow
5694  *   Flow descriptor.
5695  * @param[in, out] matcher
5696  *   Flow matcher.
5697  * @param[in, out] key
5698  *   Flow matcher value.
5699  * @param[in] item
5700  *   Flow pattern to translate.
5701  * @param[in] inner
5702  *   Item is inner pattern.
5703  */
5704 static void
5705 flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
5706                             void *matcher, void *key,
5707                             const struct rte_flow_item *item,
5708                             int inner)
5709 {
5710         const struct rte_flow_item_vlan *vlan_m = item->mask;
5711         const struct rte_flow_item_vlan *vlan_v = item->spec;
5712         void *headers_m;
5713         void *headers_v;
5714         uint16_t tci_m;
5715         uint16_t tci_v;
5716
5717         if (!vlan_v)
5718                 return;
5719         if (!vlan_m)
5720                 vlan_m = &rte_flow_item_vlan_mask;
5721         if (inner) {
5722                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5723                                          inner_headers);
5724                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5725         } else {
5726                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5727                                          outer_headers);
5728                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5729                 /*
5730                  * This is workaround, masks are not supported,
5731                  * and pre-validated.
5732                  */
5733                 dev_flow->handle->vf_vlan.tag =
5734                         rte_be_to_cpu_16(vlan_v->tci) & 0x0fff;
5735         }
5736         tci_m = rte_be_to_cpu_16(vlan_m->tci);
5737         tci_v = rte_be_to_cpu_16(vlan_m->tci & vlan_v->tci);
5738         MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5739         MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
5740         MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_vid, tci_m);
5741         MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, tci_v);
5742         MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_cfi, tci_m >> 12);
5743         MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_cfi, tci_v >> 12);
5744         MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_prio, tci_m >> 13);
5745         MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, tci_v >> 13);
5746         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
5747                  rte_be_to_cpu_16(vlan_m->inner_type));
5748         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
5749                  rte_be_to_cpu_16(vlan_m->inner_type & vlan_v->inner_type));
5750 }
5751
5752 /**
5753  * Add IPV4 item to matcher and to the value.
5754  *
5755  * @param[in, out] matcher
5756  *   Flow matcher.
5757  * @param[in, out] key
5758  *   Flow matcher value.
5759  * @param[in] item
5760  *   Flow pattern to translate.
5761  * @param[in] item_flags
5762  *   Bit-fields that holds the items detected until now.
5763  * @param[in] inner
5764  *   Item is inner pattern.
5765  * @param[in] group
5766  *   The group to insert the rule.
5767  */
5768 static void
5769 flow_dv_translate_item_ipv4(void *matcher, void *key,
5770                             const struct rte_flow_item *item,
5771                             const uint64_t item_flags,
5772                             int inner, uint32_t group)
5773 {
5774         const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
5775         const struct rte_flow_item_ipv4 *ipv4_v = item->spec;
5776         const struct rte_flow_item_ipv4 nic_mask = {
5777                 .hdr = {
5778                         .src_addr = RTE_BE32(0xffffffff),
5779                         .dst_addr = RTE_BE32(0xffffffff),
5780                         .type_of_service = 0xff,
5781                         .next_proto_id = 0xff,
5782                         .time_to_live = 0xff,
5783                 },
5784         };
5785         void *headers_m;
5786         void *headers_v;
5787         char *l24_m;
5788         char *l24_v;
5789         uint8_t tos;
5790
5791         if (inner) {
5792                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5793                                          inner_headers);
5794                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5795         } else {
5796                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5797                                          outer_headers);
5798                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5799         }
5800         if (group == 0)
5801                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
5802         else
5803                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x4);
5804         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
5805         /*
5806          * On outer header (which must contains L2), or inner header with L2,
5807          * set cvlan_tag mask bit to mark this packet as untagged.
5808          * This should be done even if item->spec is empty.
5809          */
5810         if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
5811                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5812         if (!ipv4_v)
5813                 return;
5814         if (!ipv4_m)
5815                 ipv4_m = &nic_mask;
5816         l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5817                              dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
5818         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5819                              dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
5820         *(uint32_t *)l24_m = ipv4_m->hdr.dst_addr;
5821         *(uint32_t *)l24_v = ipv4_m->hdr.dst_addr & ipv4_v->hdr.dst_addr;
5822         l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5823                           src_ipv4_src_ipv6.ipv4_layout.ipv4);
5824         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5825                           src_ipv4_src_ipv6.ipv4_layout.ipv4);
5826         *(uint32_t *)l24_m = ipv4_m->hdr.src_addr;
5827         *(uint32_t *)l24_v = ipv4_m->hdr.src_addr & ipv4_v->hdr.src_addr;
5828         tos = ipv4_m->hdr.type_of_service & ipv4_v->hdr.type_of_service;
5829         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn,
5830                  ipv4_m->hdr.type_of_service);
5831         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, tos);
5832         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp,
5833                  ipv4_m->hdr.type_of_service >> 2);
5834         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, tos >> 2);
5835         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
5836                  ipv4_m->hdr.next_proto_id);
5837         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
5838                  ipv4_v->hdr.next_proto_id & ipv4_m->hdr.next_proto_id);
5839         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ttl_hoplimit,
5840                  ipv4_m->hdr.time_to_live);
5841         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
5842                  ipv4_v->hdr.time_to_live & ipv4_m->hdr.time_to_live);
5843 }
5844
5845 /**
5846  * Add IPV6 item to matcher and to the value.
5847  *
5848  * @param[in, out] matcher
5849  *   Flow matcher.
5850  * @param[in, out] key
5851  *   Flow matcher value.
5852  * @param[in] item
5853  *   Flow pattern to translate.
5854  * @param[in] item_flags
5855  *   Bit-fields that holds the items detected until now.
5856  * @param[in] inner
5857  *   Item is inner pattern.
5858  * @param[in] group
5859  *   The group to insert the rule.
5860  */
5861 static void
5862 flow_dv_translate_item_ipv6(void *matcher, void *key,
5863                             const struct rte_flow_item *item,
5864                             const uint64_t item_flags,
5865                             int inner, uint32_t group)
5866 {
5867         const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
5868         const struct rte_flow_item_ipv6 *ipv6_v = item->spec;
5869         const struct rte_flow_item_ipv6 nic_mask = {
5870                 .hdr = {
5871                         .src_addr =
5872                                 "\xff\xff\xff\xff\xff\xff\xff\xff"
5873                                 "\xff\xff\xff\xff\xff\xff\xff\xff",
5874                         .dst_addr =
5875                                 "\xff\xff\xff\xff\xff\xff\xff\xff"
5876                                 "\xff\xff\xff\xff\xff\xff\xff\xff",
5877                         .vtc_flow = RTE_BE32(0xffffffff),
5878                         .proto = 0xff,
5879                         .hop_limits = 0xff,
5880                 },
5881         };
5882         void *headers_m;
5883         void *headers_v;
5884         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
5885         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
5886         char *l24_m;
5887         char *l24_v;
5888         uint32_t vtc_m;
5889         uint32_t vtc_v;
5890         int i;
5891         int size;
5892
5893         if (inner) {
5894                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5895                                          inner_headers);
5896                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5897         } else {
5898                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5899                                          outer_headers);
5900                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5901         }
5902         if (group == 0)
5903                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
5904         else
5905                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0x6);
5906         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
5907         /*
5908          * On outer header (which must contains L2), or inner header with L2,
5909          * set cvlan_tag mask bit to mark this packet as untagged.
5910          * This should be done even if item->spec is empty.
5911          */
5912         if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
5913                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
5914         if (!ipv6_v)
5915                 return;
5916         if (!ipv6_m)
5917                 ipv6_m = &nic_mask;
5918         size = sizeof(ipv6_m->hdr.dst_addr);
5919         l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5920                              dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
5921         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5922                              dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
5923         memcpy(l24_m, ipv6_m->hdr.dst_addr, size);
5924         for (i = 0; i < size; ++i)
5925                 l24_v[i] = l24_m[i] & ipv6_v->hdr.dst_addr[i];
5926         l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
5927                              src_ipv4_src_ipv6.ipv6_layout.ipv6);
5928         l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
5929                              src_ipv4_src_ipv6.ipv6_layout.ipv6);
5930         memcpy(l24_m, ipv6_m->hdr.src_addr, size);
5931         for (i = 0; i < size; ++i)
5932                 l24_v[i] = l24_m[i] & ipv6_v->hdr.src_addr[i];
5933         /* TOS. */
5934         vtc_m = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow);
5935         vtc_v = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow & ipv6_v->hdr.vtc_flow);
5936         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn, vtc_m >> 20);
5937         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, vtc_v >> 20);
5938         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp, vtc_m >> 22);
5939         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, vtc_v >> 22);
5940         /* Label. */
5941         if (inner) {
5942                 MLX5_SET(fte_match_set_misc, misc_m, inner_ipv6_flow_label,
5943                          vtc_m);
5944                 MLX5_SET(fte_match_set_misc, misc_v, inner_ipv6_flow_label,
5945                          vtc_v);
5946         } else {
5947                 MLX5_SET(fte_match_set_misc, misc_m, outer_ipv6_flow_label,
5948                          vtc_m);
5949                 MLX5_SET(fte_match_set_misc, misc_v, outer_ipv6_flow_label,
5950                          vtc_v);
5951         }
5952         /* Protocol. */
5953         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
5954                  ipv6_m->hdr.proto);
5955         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
5956                  ipv6_v->hdr.proto & ipv6_m->hdr.proto);
5957         /* Hop limit. */
5958         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ttl_hoplimit,
5959                  ipv6_m->hdr.hop_limits);
5960         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
5961                  ipv6_v->hdr.hop_limits & ipv6_m->hdr.hop_limits);
5962 }
5963
5964 /**
5965  * Add TCP item to matcher and to the value.
5966  *
5967  * @param[in, out] matcher
5968  *   Flow matcher.
5969  * @param[in, out] key
5970  *   Flow matcher value.
5971  * @param[in] item
5972  *   Flow pattern to translate.
5973  * @param[in] inner
5974  *   Item is inner pattern.
5975  */
5976 static void
5977 flow_dv_translate_item_tcp(void *matcher, void *key,
5978                            const struct rte_flow_item *item,
5979                            int inner)
5980 {
5981         const struct rte_flow_item_tcp *tcp_m = item->mask;
5982         const struct rte_flow_item_tcp *tcp_v = item->spec;
5983         void *headers_m;
5984         void *headers_v;
5985
5986         if (inner) {
5987                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5988                                          inner_headers);
5989                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
5990         } else {
5991                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
5992                                          outer_headers);
5993                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
5994         }
5995         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
5996         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_TCP);
5997         if (!tcp_v)
5998                 return;
5999         if (!tcp_m)
6000                 tcp_m = &rte_flow_item_tcp_mask;
6001         MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_sport,
6002                  rte_be_to_cpu_16(tcp_m->hdr.src_port));
6003         MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
6004                  rte_be_to_cpu_16(tcp_v->hdr.src_port & tcp_m->hdr.src_port));
6005         MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_dport,
6006                  rte_be_to_cpu_16(tcp_m->hdr.dst_port));
6007         MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
6008                  rte_be_to_cpu_16(tcp_v->hdr.dst_port & tcp_m->hdr.dst_port));
6009         MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_flags,
6010                  tcp_m->hdr.tcp_flags);
6011         MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
6012                  (tcp_v->hdr.tcp_flags & tcp_m->hdr.tcp_flags));
6013 }
6014
6015 /**
6016  * Add UDP item to matcher and to the value.
6017  *
6018  * @param[in, out] matcher
6019  *   Flow matcher.
6020  * @param[in, out] key
6021  *   Flow matcher value.
6022  * @param[in] item
6023  *   Flow pattern to translate.
6024  * @param[in] inner
6025  *   Item is inner pattern.
6026  */
6027 static void
6028 flow_dv_translate_item_udp(void *matcher, void *key,
6029                            const struct rte_flow_item *item,
6030                            int inner)
6031 {
6032         const struct rte_flow_item_udp *udp_m = item->mask;
6033         const struct rte_flow_item_udp *udp_v = item->spec;
6034         void *headers_m;
6035         void *headers_v;
6036
6037         if (inner) {
6038                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6039                                          inner_headers);
6040                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6041         } else {
6042                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6043                                          outer_headers);
6044                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6045         }
6046         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
6047         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
6048         if (!udp_v)
6049                 return;
6050         if (!udp_m)
6051                 udp_m = &rte_flow_item_udp_mask;
6052         MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_sport,
6053                  rte_be_to_cpu_16(udp_m->hdr.src_port));
6054         MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
6055                  rte_be_to_cpu_16(udp_v->hdr.src_port & udp_m->hdr.src_port));
6056         MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport,
6057                  rte_be_to_cpu_16(udp_m->hdr.dst_port));
6058         MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
6059                  rte_be_to_cpu_16(udp_v->hdr.dst_port & udp_m->hdr.dst_port));
6060 }
6061
6062 /**
6063  * Add GRE optional Key item to matcher and to the value.
6064  *
6065  * @param[in, out] matcher
6066  *   Flow matcher.
6067  * @param[in, out] key
6068  *   Flow matcher value.
6069  * @param[in] item
6070  *   Flow pattern to translate.
6071  * @param[in] inner
6072  *   Item is inner pattern.
6073  */
6074 static void
6075 flow_dv_translate_item_gre_key(void *matcher, void *key,
6076                                    const struct rte_flow_item *item)
6077 {
6078         const rte_be32_t *key_m = item->mask;
6079         const rte_be32_t *key_v = item->spec;
6080         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6081         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6082         rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
6083
6084         /* GRE K bit must be on and should already be validated */
6085         MLX5_SET(fte_match_set_misc, misc_m, gre_k_present, 1);
6086         MLX5_SET(fte_match_set_misc, misc_v, gre_k_present, 1);
6087         if (!key_v)
6088                 return;
6089         if (!key_m)
6090                 key_m = &gre_key_default_mask;
6091         MLX5_SET(fte_match_set_misc, misc_m, gre_key_h,
6092                  rte_be_to_cpu_32(*key_m) >> 8);
6093         MLX5_SET(fte_match_set_misc, misc_v, gre_key_h,
6094                  rte_be_to_cpu_32((*key_v) & (*key_m)) >> 8);
6095         MLX5_SET(fte_match_set_misc, misc_m, gre_key_l,
6096                  rte_be_to_cpu_32(*key_m) & 0xFF);
6097         MLX5_SET(fte_match_set_misc, misc_v, gre_key_l,
6098                  rte_be_to_cpu_32((*key_v) & (*key_m)) & 0xFF);
6099 }
6100
6101 /**
6102  * Add GRE item to matcher and to the value.
6103  *
6104  * @param[in, out] matcher
6105  *   Flow matcher.
6106  * @param[in, out] key
6107  *   Flow matcher value.
6108  * @param[in] item
6109  *   Flow pattern to translate.
6110  * @param[in] inner
6111  *   Item is inner pattern.
6112  */
6113 static void
6114 flow_dv_translate_item_gre(void *matcher, void *key,
6115                            const struct rte_flow_item *item,
6116                            int inner)
6117 {
6118         const struct rte_flow_item_gre *gre_m = item->mask;
6119         const struct rte_flow_item_gre *gre_v = item->spec;
6120         void *headers_m;
6121         void *headers_v;
6122         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6123         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6124         struct {
6125                 union {
6126                         __extension__
6127                         struct {
6128                                 uint16_t version:3;
6129                                 uint16_t rsvd0:9;
6130                                 uint16_t s_present:1;
6131                                 uint16_t k_present:1;
6132                                 uint16_t rsvd_bit1:1;
6133                                 uint16_t c_present:1;
6134                         };
6135                         uint16_t value;
6136                 };
6137         } gre_crks_rsvd0_ver_m, gre_crks_rsvd0_ver_v;
6138
6139         if (inner) {
6140                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6141                                          inner_headers);
6142                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6143         } else {
6144                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6145                                          outer_headers);
6146                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6147         }
6148         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
6149         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_GRE);
6150         if (!gre_v)
6151                 return;
6152         if (!gre_m)
6153                 gre_m = &rte_flow_item_gre_mask;
6154         MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
6155                  rte_be_to_cpu_16(gre_m->protocol));
6156         MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
6157                  rte_be_to_cpu_16(gre_v->protocol & gre_m->protocol));
6158         gre_crks_rsvd0_ver_m.value = rte_be_to_cpu_16(gre_m->c_rsvd0_ver);
6159         gre_crks_rsvd0_ver_v.value = rte_be_to_cpu_16(gre_v->c_rsvd0_ver);
6160         MLX5_SET(fte_match_set_misc, misc_m, gre_c_present,
6161                  gre_crks_rsvd0_ver_m.c_present);
6162         MLX5_SET(fte_match_set_misc, misc_v, gre_c_present,
6163                  gre_crks_rsvd0_ver_v.c_present &
6164                  gre_crks_rsvd0_ver_m.c_present);
6165         MLX5_SET(fte_match_set_misc, misc_m, gre_k_present,
6166                  gre_crks_rsvd0_ver_m.k_present);
6167         MLX5_SET(fte_match_set_misc, misc_v, gre_k_present,
6168                  gre_crks_rsvd0_ver_v.k_present &
6169                  gre_crks_rsvd0_ver_m.k_present);
6170         MLX5_SET(fte_match_set_misc, misc_m, gre_s_present,
6171                  gre_crks_rsvd0_ver_m.s_present);
6172         MLX5_SET(fte_match_set_misc, misc_v, gre_s_present,
6173                  gre_crks_rsvd0_ver_v.s_present &
6174                  gre_crks_rsvd0_ver_m.s_present);
6175 }
6176
6177 /**
6178  * Add NVGRE item to matcher and to the value.
6179  *
6180  * @param[in, out] matcher
6181  *   Flow matcher.
6182  * @param[in, out] key
6183  *   Flow matcher value.
6184  * @param[in] item
6185  *   Flow pattern to translate.
6186  * @param[in] inner
6187  *   Item is inner pattern.
6188  */
6189 static void
6190 flow_dv_translate_item_nvgre(void *matcher, void *key,
6191                              const struct rte_flow_item *item,
6192                              int inner)
6193 {
6194         const struct rte_flow_item_nvgre *nvgre_m = item->mask;
6195         const struct rte_flow_item_nvgre *nvgre_v = item->spec;
6196         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6197         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6198         const char *tni_flow_id_m = (const char *)nvgre_m->tni;
6199         const char *tni_flow_id_v = (const char *)nvgre_v->tni;
6200         char *gre_key_m;
6201         char *gre_key_v;
6202         int size;
6203         int i;
6204
6205         /* For NVGRE, GRE header fields must be set with defined values. */
6206         const struct rte_flow_item_gre gre_spec = {
6207                 .c_rsvd0_ver = RTE_BE16(0x2000),
6208                 .protocol = RTE_BE16(RTE_ETHER_TYPE_TEB)
6209         };
6210         const struct rte_flow_item_gre gre_mask = {
6211                 .c_rsvd0_ver = RTE_BE16(0xB000),
6212                 .protocol = RTE_BE16(UINT16_MAX),
6213         };
6214         const struct rte_flow_item gre_item = {
6215                 .spec = &gre_spec,
6216                 .mask = &gre_mask,
6217                 .last = NULL,
6218         };
6219         flow_dv_translate_item_gre(matcher, key, &gre_item, inner);
6220         if (!nvgre_v)
6221                 return;
6222         if (!nvgre_m)
6223                 nvgre_m = &rte_flow_item_nvgre_mask;
6224         size = sizeof(nvgre_m->tni) + sizeof(nvgre_m->flow_id);
6225         gre_key_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, gre_key_h);
6226         gre_key_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, gre_key_h);
6227         memcpy(gre_key_m, tni_flow_id_m, size);
6228         for (i = 0; i < size; ++i)
6229                 gre_key_v[i] = gre_key_m[i] & tni_flow_id_v[i];
6230 }
6231
6232 /**
6233  * Add VXLAN item to matcher and to the value.
6234  *
6235  * @param[in, out] matcher
6236  *   Flow matcher.
6237  * @param[in, out] key
6238  *   Flow matcher value.
6239  * @param[in] item
6240  *   Flow pattern to translate.
6241  * @param[in] inner
6242  *   Item is inner pattern.
6243  */
6244 static void
6245 flow_dv_translate_item_vxlan(void *matcher, void *key,
6246                              const struct rte_flow_item *item,
6247                              int inner)
6248 {
6249         const struct rte_flow_item_vxlan *vxlan_m = item->mask;
6250         const struct rte_flow_item_vxlan *vxlan_v = item->spec;
6251         void *headers_m;
6252         void *headers_v;
6253         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6254         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6255         char *vni_m;
6256         char *vni_v;
6257         uint16_t dport;
6258         int size;
6259         int i;
6260
6261         if (inner) {
6262                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6263                                          inner_headers);
6264                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6265         } else {
6266                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6267                                          outer_headers);
6268                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6269         }
6270         dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
6271                 MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
6272         if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6273                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6274                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
6275         }
6276         if (!vxlan_v)
6277                 return;
6278         if (!vxlan_m)
6279                 vxlan_m = &rte_flow_item_vxlan_mask;
6280         size = sizeof(vxlan_m->vni);
6281         vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, vxlan_vni);
6282         vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, vxlan_vni);
6283         memcpy(vni_m, vxlan_m->vni, size);
6284         for (i = 0; i < size; ++i)
6285                 vni_v[i] = vni_m[i] & vxlan_v->vni[i];
6286 }
6287
6288 /**
6289  * Add VXLAN-GPE item to matcher and to the value.
6290  *
6291  * @param[in, out] matcher
6292  *   Flow matcher.
6293  * @param[in, out] key
6294  *   Flow matcher value.
6295  * @param[in] item
6296  *   Flow pattern to translate.
6297  * @param[in] inner
6298  *   Item is inner pattern.
6299  */
6300
6301 static void
6302 flow_dv_translate_item_vxlan_gpe(void *matcher, void *key,
6303                                  const struct rte_flow_item *item, int inner)
6304 {
6305         const struct rte_flow_item_vxlan_gpe *vxlan_m = item->mask;
6306         const struct rte_flow_item_vxlan_gpe *vxlan_v = item->spec;
6307         void *headers_m;
6308         void *headers_v;
6309         void *misc_m =
6310                 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_3);
6311         void *misc_v =
6312                 MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6313         char *vni_m;
6314         char *vni_v;
6315         uint16_t dport;
6316         int size;
6317         int i;
6318         uint8_t flags_m = 0xff;
6319         uint8_t flags_v = 0xc;
6320
6321         if (inner) {
6322                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6323                                          inner_headers);
6324                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6325         } else {
6326                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6327                                          outer_headers);
6328                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6329         }
6330         dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
6331                 MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
6332         if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6333                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6334                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
6335         }
6336         if (!vxlan_v)
6337                 return;
6338         if (!vxlan_m)
6339                 vxlan_m = &rte_flow_item_vxlan_gpe_mask;
6340         size = sizeof(vxlan_m->vni);
6341         vni_m = MLX5_ADDR_OF(fte_match_set_misc3, misc_m, outer_vxlan_gpe_vni);
6342         vni_v = MLX5_ADDR_OF(fte_match_set_misc3, misc_v, outer_vxlan_gpe_vni);
6343         memcpy(vni_m, vxlan_m->vni, size);
6344         for (i = 0; i < size; ++i)
6345                 vni_v[i] = vni_m[i] & vxlan_v->vni[i];
6346         if (vxlan_m->flags) {
6347                 flags_m = vxlan_m->flags;
6348                 flags_v = vxlan_v->flags;
6349         }
6350         MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_flags, flags_m);
6351         MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_flags, flags_v);
6352         MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_next_protocol,
6353                  vxlan_m->protocol);
6354         MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_next_protocol,
6355                  vxlan_v->protocol);
6356 }
6357
6358 /**
6359  * Add Geneve item to matcher and to the value.
6360  *
6361  * @param[in, out] matcher
6362  *   Flow matcher.
6363  * @param[in, out] key
6364  *   Flow matcher value.
6365  * @param[in] item
6366  *   Flow pattern to translate.
6367  * @param[in] inner
6368  *   Item is inner pattern.
6369  */
6370
6371 static void
6372 flow_dv_translate_item_geneve(void *matcher, void *key,
6373                               const struct rte_flow_item *item, int inner)
6374 {
6375         const struct rte_flow_item_geneve *geneve_m = item->mask;
6376         const struct rte_flow_item_geneve *geneve_v = item->spec;
6377         void *headers_m;
6378         void *headers_v;
6379         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6380         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6381         uint16_t dport;
6382         uint16_t gbhdr_m;
6383         uint16_t gbhdr_v;
6384         char *vni_m;
6385         char *vni_v;
6386         size_t size, i;
6387
6388         if (inner) {
6389                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6390                                          inner_headers);
6391                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6392         } else {
6393                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6394                                          outer_headers);
6395                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6396         }
6397         dport = MLX5_UDP_PORT_GENEVE;
6398         if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6399                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6400                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
6401         }
6402         if (!geneve_v)
6403                 return;
6404         if (!geneve_m)
6405                 geneve_m = &rte_flow_item_geneve_mask;
6406         size = sizeof(geneve_m->vni);
6407         vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, geneve_vni);
6408         vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, geneve_vni);
6409         memcpy(vni_m, geneve_m->vni, size);
6410         for (i = 0; i < size; ++i)
6411                 vni_v[i] = vni_m[i] & geneve_v->vni[i];
6412         MLX5_SET(fte_match_set_misc, misc_m, geneve_protocol_type,
6413                  rte_be_to_cpu_16(geneve_m->protocol));
6414         MLX5_SET(fte_match_set_misc, misc_v, geneve_protocol_type,
6415                  rte_be_to_cpu_16(geneve_v->protocol & geneve_m->protocol));
6416         gbhdr_m = rte_be_to_cpu_16(geneve_m->ver_opt_len_o_c_rsvd0);
6417         gbhdr_v = rte_be_to_cpu_16(geneve_v->ver_opt_len_o_c_rsvd0);
6418         MLX5_SET(fte_match_set_misc, misc_m, geneve_oam,
6419                  MLX5_GENEVE_OAMF_VAL(gbhdr_m));
6420         MLX5_SET(fte_match_set_misc, misc_v, geneve_oam,
6421                  MLX5_GENEVE_OAMF_VAL(gbhdr_v) & MLX5_GENEVE_OAMF_VAL(gbhdr_m));
6422         MLX5_SET(fte_match_set_misc, misc_m, geneve_opt_len,
6423                  MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
6424         MLX5_SET(fte_match_set_misc, misc_v, geneve_opt_len,
6425                  MLX5_GENEVE_OPTLEN_VAL(gbhdr_v) &
6426                  MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
6427 }
6428
6429 /**
6430  * Add MPLS item to matcher and to the value.
6431  *
6432  * @param[in, out] matcher
6433  *   Flow matcher.
6434  * @param[in, out] key
6435  *   Flow matcher value.
6436  * @param[in] item
6437  *   Flow pattern to translate.
6438  * @param[in] prev_layer
6439  *   The protocol layer indicated in previous item.
6440  * @param[in] inner
6441  *   Item is inner pattern.
6442  */
6443 static void
6444 flow_dv_translate_item_mpls(void *matcher, void *key,
6445                             const struct rte_flow_item *item,
6446                             uint64_t prev_layer,
6447                             int inner)
6448 {
6449         const uint32_t *in_mpls_m = item->mask;
6450         const uint32_t *in_mpls_v = item->spec;
6451         uint32_t *out_mpls_m = 0;
6452         uint32_t *out_mpls_v = 0;
6453         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6454         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6455         void *misc2_m = MLX5_ADDR_OF(fte_match_param, matcher,
6456                                      misc_parameters_2);
6457         void *misc2_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
6458         void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
6459         void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6460
6461         switch (prev_layer) {
6462         case MLX5_FLOW_LAYER_OUTER_L4_UDP:
6463                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xffff);
6464                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
6465                          MLX5_UDP_PORT_MPLS);
6466                 break;
6467         case MLX5_FLOW_LAYER_GRE:
6468                 MLX5_SET(fte_match_set_misc, misc_m, gre_protocol, 0xffff);
6469                 MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
6470                          RTE_ETHER_TYPE_MPLS);
6471                 break;
6472         default:
6473                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
6474                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
6475                          IPPROTO_MPLS);
6476                 break;
6477         }
6478         if (!in_mpls_v)
6479                 return;
6480         if (!in_mpls_m)
6481                 in_mpls_m = (const uint32_t *)&rte_flow_item_mpls_mask;
6482         switch (prev_layer) {
6483         case MLX5_FLOW_LAYER_OUTER_L4_UDP:
6484                 out_mpls_m =
6485                         (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
6486                                                  outer_first_mpls_over_udp);
6487                 out_mpls_v =
6488                         (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
6489                                                  outer_first_mpls_over_udp);
6490                 break;
6491         case MLX5_FLOW_LAYER_GRE:
6492                 out_mpls_m =
6493                         (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
6494                                                  outer_first_mpls_over_gre);
6495                 out_mpls_v =
6496                         (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
6497                                                  outer_first_mpls_over_gre);
6498                 break;
6499         default:
6500                 /* Inner MPLS not over GRE is not supported. */
6501                 if (!inner) {
6502                         out_mpls_m =
6503                                 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
6504                                                          misc2_m,
6505                                                          outer_first_mpls);
6506                         out_mpls_v =
6507                                 (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
6508                                                          misc2_v,
6509                                                          outer_first_mpls);
6510                 }
6511                 break;
6512         }
6513         if (out_mpls_m && out_mpls_v) {
6514                 *out_mpls_m = *in_mpls_m;
6515                 *out_mpls_v = *in_mpls_v & *in_mpls_m;
6516         }
6517 }
6518
6519 /**
6520  * Add metadata register item to matcher
6521  *
6522  * @param[in, out] matcher
6523  *   Flow matcher.
6524  * @param[in, out] key
6525  *   Flow matcher value.
6526  * @param[in] reg_type
6527  *   Type of device metadata register
6528  * @param[in] value
6529  *   Register value
6530  * @param[in] mask
6531  *   Register mask
6532  */
6533 static void
6534 flow_dv_match_meta_reg(void *matcher, void *key,
6535                        enum modify_reg reg_type,
6536                        uint32_t data, uint32_t mask)
6537 {
6538         void *misc2_m =
6539                 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_2);
6540         void *misc2_v =
6541                 MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
6542         uint32_t temp;
6543
6544         data &= mask;
6545         switch (reg_type) {
6546         case REG_A:
6547                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_a, mask);
6548                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_a, data);
6549                 break;
6550         case REG_B:
6551                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_b, mask);
6552                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_b, data);
6553                 break;
6554         case REG_C_0:
6555                 /*
6556                  * The metadata register C0 field might be divided into
6557                  * source vport index and META item value, we should set
6558                  * this field according to specified mask, not as whole one.
6559                  */
6560                 temp = MLX5_GET(fte_match_set_misc2, misc2_m, metadata_reg_c_0);
6561                 temp |= mask;
6562                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_0, temp);
6563                 temp = MLX5_GET(fte_match_set_misc2, misc2_v, metadata_reg_c_0);
6564                 temp &= ~mask;
6565                 temp |= data;
6566                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_0, temp);
6567                 break;
6568         case REG_C_1:
6569                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_1, mask);
6570                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_1, data);
6571                 break;
6572         case REG_C_2:
6573                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_2, mask);
6574                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_2, data);
6575                 break;
6576         case REG_C_3:
6577                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_3, mask);
6578                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_3, data);
6579                 break;
6580         case REG_C_4:
6581                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_4, mask);
6582                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_4, data);
6583                 break;
6584         case REG_C_5:
6585                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_5, mask);
6586                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_5, data);
6587                 break;
6588         case REG_C_6:
6589                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_6, mask);
6590                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_6, data);
6591                 break;
6592         case REG_C_7:
6593                 MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_7, mask);
6594                 MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_7, data);
6595                 break;
6596         default:
6597                 MLX5_ASSERT(false);
6598                 break;
6599         }
6600 }
6601
6602 /**
6603  * Add MARK item to matcher
6604  *
6605  * @param[in] dev
6606  *   The device to configure through.
6607  * @param[in, out] matcher
6608  *   Flow matcher.
6609  * @param[in, out] key
6610  *   Flow matcher value.
6611  * @param[in] item
6612  *   Flow pattern to translate.
6613  */
6614 static void
6615 flow_dv_translate_item_mark(struct rte_eth_dev *dev,
6616                             void *matcher, void *key,
6617                             const struct rte_flow_item *item)
6618 {
6619         struct mlx5_priv *priv = dev->data->dev_private;
6620         const struct rte_flow_item_mark *mark;
6621         uint32_t value;
6622         uint32_t mask;
6623
6624         mark = item->mask ? (const void *)item->mask :
6625                             &rte_flow_item_mark_mask;
6626         mask = mark->id & priv->sh->dv_mark_mask;
6627         mark = (const void *)item->spec;
6628         MLX5_ASSERT(mark);
6629         value = mark->id & priv->sh->dv_mark_mask & mask;
6630         if (mask) {
6631                 enum modify_reg reg;
6632
6633                 /* Get the metadata register index for the mark. */
6634                 reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, NULL);
6635                 MLX5_ASSERT(reg > 0);
6636                 if (reg == REG_C_0) {
6637                         struct mlx5_priv *priv = dev->data->dev_private;
6638                         uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6639                         uint32_t shl_c0 = rte_bsf32(msk_c0);
6640
6641                         mask &= msk_c0;
6642                         mask <<= shl_c0;
6643                         value <<= shl_c0;
6644                 }
6645                 flow_dv_match_meta_reg(matcher, key, reg, value, mask);
6646         }
6647 }
6648
6649 /**
6650  * Add META item to matcher
6651  *
6652  * @param[in] dev
6653  *   The devich to configure through.
6654  * @param[in, out] matcher
6655  *   Flow matcher.
6656  * @param[in, out] key
6657  *   Flow matcher value.
6658  * @param[in] attr
6659  *   Attributes of flow that includes this item.
6660  * @param[in] item
6661  *   Flow pattern to translate.
6662  */
6663 static void
6664 flow_dv_translate_item_meta(struct rte_eth_dev *dev,
6665                             void *matcher, void *key,
6666                             const struct rte_flow_attr *attr,
6667                             const struct rte_flow_item *item)
6668 {
6669         const struct rte_flow_item_meta *meta_m;
6670         const struct rte_flow_item_meta *meta_v;
6671
6672         meta_m = (const void *)item->mask;
6673         if (!meta_m)
6674                 meta_m = &rte_flow_item_meta_mask;
6675         meta_v = (const void *)item->spec;
6676         if (meta_v) {
6677                 int reg;
6678                 uint32_t value = meta_v->data;
6679                 uint32_t mask = meta_m->data;
6680
6681                 reg = flow_dv_get_metadata_reg(dev, attr, NULL);
6682                 if (reg < 0)
6683                         return;
6684                 /*
6685                  * In datapath code there is no endianness
6686                  * coversions for perfromance reasons, all
6687                  * pattern conversions are done in rte_flow.
6688                  */
6689                 value = rte_cpu_to_be_32(value);
6690                 mask = rte_cpu_to_be_32(mask);
6691                 if (reg == REG_C_0) {
6692                         struct mlx5_priv *priv = dev->data->dev_private;
6693                         uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6694                         uint32_t shl_c0 = rte_bsf32(msk_c0);
6695 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
6696                         uint32_t shr_c0 = __builtin_clz(priv->sh->dv_meta_mask);
6697
6698                         value >>= shr_c0;
6699                         mask >>= shr_c0;
6700 #endif
6701                         value <<= shl_c0;
6702                         mask <<= shl_c0;
6703                         MLX5_ASSERT(msk_c0);
6704                         MLX5_ASSERT(!(~msk_c0 & mask));
6705                 }
6706                 flow_dv_match_meta_reg(matcher, key, reg, value, mask);
6707         }
6708 }
6709
6710 /**
6711  * Add vport metadata Reg C0 item to matcher
6712  *
6713  * @param[in, out] matcher
6714  *   Flow matcher.
6715  * @param[in, out] key
6716  *   Flow matcher value.
6717  * @param[in] reg
6718  *   Flow pattern to translate.
6719  */
6720 static void
6721 flow_dv_translate_item_meta_vport(void *matcher, void *key,
6722                                   uint32_t value, uint32_t mask)
6723 {
6724         flow_dv_match_meta_reg(matcher, key, REG_C_0, value, mask);
6725 }
6726
6727 /**
6728  * Add tag item to matcher
6729  *
6730  * @param[in] dev
6731  *   The devich to configure through.
6732  * @param[in, out] matcher
6733  *   Flow matcher.
6734  * @param[in, out] key
6735  *   Flow matcher value.
6736  * @param[in] item
6737  *   Flow pattern to translate.
6738  */
6739 static void
6740 flow_dv_translate_mlx5_item_tag(struct rte_eth_dev *dev,
6741                                 void *matcher, void *key,
6742                                 const struct rte_flow_item *item)
6743 {
6744         const struct mlx5_rte_flow_item_tag *tag_v = item->spec;
6745         const struct mlx5_rte_flow_item_tag *tag_m = item->mask;
6746         uint32_t mask, value;
6747
6748         MLX5_ASSERT(tag_v);
6749         value = tag_v->data;
6750         mask = tag_m ? tag_m->data : UINT32_MAX;
6751         if (tag_v->id == REG_C_0) {
6752                 struct mlx5_priv *priv = dev->data->dev_private;
6753                 uint32_t msk_c0 = priv->sh->dv_regc0_mask;
6754                 uint32_t shl_c0 = rte_bsf32(msk_c0);
6755
6756                 mask &= msk_c0;
6757                 mask <<= shl_c0;
6758                 value <<= shl_c0;
6759         }
6760         flow_dv_match_meta_reg(matcher, key, tag_v->id, value, mask);
6761 }
6762
6763 /**
6764  * Add TAG item to matcher
6765  *
6766  * @param[in] dev
6767  *   The devich to configure through.
6768  * @param[in, out] matcher
6769  *   Flow matcher.
6770  * @param[in, out] key
6771  *   Flow matcher value.
6772  * @param[in] item
6773  *   Flow pattern to translate.
6774  */
6775 static void
6776 flow_dv_translate_item_tag(struct rte_eth_dev *dev,
6777                            void *matcher, void *key,
6778                            const struct rte_flow_item *item)
6779 {
6780         const struct rte_flow_item_tag *tag_v = item->spec;
6781         const struct rte_flow_item_tag *tag_m = item->mask;
6782         enum modify_reg reg;
6783
6784         MLX5_ASSERT(tag_v);
6785         tag_m = tag_m ? tag_m : &rte_flow_item_tag_mask;
6786         /* Get the metadata register index for the tag. */
6787         reg = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, tag_v->index, NULL);
6788         MLX5_ASSERT(reg > 0);
6789         flow_dv_match_meta_reg(matcher, key, reg, tag_v->data, tag_m->data);
6790 }
6791
6792 /**
6793  * Add source vport match to the specified matcher.
6794  *
6795  * @param[in, out] matcher
6796  *   Flow matcher.
6797  * @param[in, out] key
6798  *   Flow matcher value.
6799  * @param[in] port
6800  *   Source vport value to match
6801  * @param[in] mask
6802  *   Mask
6803  */
6804 static void
6805 flow_dv_translate_item_source_vport(void *matcher, void *key,
6806                                     int16_t port, uint16_t mask)
6807 {
6808         void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
6809         void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
6810
6811         MLX5_SET(fte_match_set_misc, misc_m, source_port, mask);
6812         MLX5_SET(fte_match_set_misc, misc_v, source_port, port);
6813 }
6814
6815 /**
6816  * Translate port-id item to eswitch match on  port-id.
6817  *
6818  * @param[in] dev
6819  *   The devich to configure through.
6820  * @param[in, out] matcher
6821  *   Flow matcher.
6822  * @param[in, out] key
6823  *   Flow matcher value.
6824  * @param[in] item
6825  *   Flow pattern to translate.
6826  *
6827  * @return
6828  *   0 on success, a negative errno value otherwise.
6829  */
6830 static int
6831 flow_dv_translate_item_port_id(struct rte_eth_dev *dev, void *matcher,
6832                                void *key, const struct rte_flow_item *item)
6833 {
6834         const struct rte_flow_item_port_id *pid_m = item ? item->mask : NULL;
6835         const struct rte_flow_item_port_id *pid_v = item ? item->spec : NULL;
6836         struct mlx5_priv *priv;
6837         uint16_t mask, id;
6838
6839         mask = pid_m ? pid_m->id : 0xffff;
6840         id = pid_v ? pid_v->id : dev->data->port_id;
6841         priv = mlx5_port_to_eswitch_info(id, item == NULL);
6842         if (!priv)
6843                 return -rte_errno;
6844         /* Translate to vport field or to metadata, depending on mode. */
6845         if (priv->vport_meta_mask)
6846                 flow_dv_translate_item_meta_vport(matcher, key,
6847                                                   priv->vport_meta_tag,
6848                                                   priv->vport_meta_mask);
6849         else
6850                 flow_dv_translate_item_source_vport(matcher, key,
6851                                                     priv->vport_id, mask);
6852         return 0;
6853 }
6854
6855 /**
6856  * Add ICMP6 item to matcher and to the value.
6857  *
6858  * @param[in, out] matcher
6859  *   Flow matcher.
6860  * @param[in, out] key
6861  *   Flow matcher value.
6862  * @param[in] item
6863  *   Flow pattern to translate.
6864  * @param[in] inner
6865  *   Item is inner pattern.
6866  */
6867 static void
6868 flow_dv_translate_item_icmp6(void *matcher, void *key,
6869                               const struct rte_flow_item *item,
6870                               int inner)
6871 {
6872         const struct rte_flow_item_icmp6 *icmp6_m = item->mask;
6873         const struct rte_flow_item_icmp6 *icmp6_v = item->spec;
6874         void *headers_m;
6875         void *headers_v;
6876         void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6877                                      misc_parameters_3);
6878         void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6879         if (inner) {
6880                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6881                                          inner_headers);
6882                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6883         } else {
6884                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6885                                          outer_headers);
6886                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6887         }
6888         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
6889         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMPV6);
6890         if (!icmp6_v)
6891                 return;
6892         if (!icmp6_m)
6893                 icmp6_m = &rte_flow_item_icmp6_mask;
6894         /*
6895          * Force flow only to match the non-fragmented IPv6 ICMPv6 packets.
6896          * If only the protocol is specified, no need to match the frag.
6897          */
6898         MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
6899         MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
6900         MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_type, icmp6_m->type);
6901         MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_type,
6902                  icmp6_v->type & icmp6_m->type);
6903         MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_code, icmp6_m->code);
6904         MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_code,
6905                  icmp6_v->code & icmp6_m->code);
6906 }
6907
6908 /**
6909  * Add ICMP item to matcher and to the value.
6910  *
6911  * @param[in, out] matcher
6912  *   Flow matcher.
6913  * @param[in, out] key
6914  *   Flow matcher value.
6915  * @param[in] item
6916  *   Flow pattern to translate.
6917  * @param[in] inner
6918  *   Item is inner pattern.
6919  */
6920 static void
6921 flow_dv_translate_item_icmp(void *matcher, void *key,
6922                             const struct rte_flow_item *item,
6923                             int inner)
6924 {
6925         const struct rte_flow_item_icmp *icmp_m = item->mask;
6926         const struct rte_flow_item_icmp *icmp_v = item->spec;
6927         void *headers_m;
6928         void *headers_v;
6929         void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6930                                      misc_parameters_3);
6931         void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6932         if (inner) {
6933                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6934                                          inner_headers);
6935                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6936         } else {
6937                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6938                                          outer_headers);
6939                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6940         }
6941         MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
6942         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMP);
6943         if (!icmp_v)
6944                 return;
6945         if (!icmp_m)
6946                 icmp_m = &rte_flow_item_icmp_mask;
6947         /*
6948          * Force flow only to match the non-fragmented IPv4 ICMP packets.
6949          * If only the protocol is specified, no need to match the frag.
6950          */
6951         MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
6952         MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
6953         MLX5_SET(fte_match_set_misc3, misc3_m, icmp_type,
6954                  icmp_m->hdr.icmp_type);
6955         MLX5_SET(fte_match_set_misc3, misc3_v, icmp_type,
6956                  icmp_v->hdr.icmp_type & icmp_m->hdr.icmp_type);
6957         MLX5_SET(fte_match_set_misc3, misc3_m, icmp_code,
6958                  icmp_m->hdr.icmp_code);
6959         MLX5_SET(fte_match_set_misc3, misc3_v, icmp_code,
6960                  icmp_v->hdr.icmp_code & icmp_m->hdr.icmp_code);
6961 }
6962
6963 /**
6964  * Add GTP item to matcher and to the value.
6965  *
6966  * @param[in, out] matcher
6967  *   Flow matcher.
6968  * @param[in, out] key
6969  *   Flow matcher value.
6970  * @param[in] item
6971  *   Flow pattern to translate.
6972  * @param[in] inner
6973  *   Item is inner pattern.
6974  */
6975 static void
6976 flow_dv_translate_item_gtp(void *matcher, void *key,
6977                            const struct rte_flow_item *item, int inner)
6978 {
6979         const struct rte_flow_item_gtp *gtp_m = item->mask;
6980         const struct rte_flow_item_gtp *gtp_v = item->spec;
6981         void *headers_m;
6982         void *headers_v;
6983         void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
6984                                      misc_parameters_3);
6985         void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
6986         uint16_t dport = RTE_GTPU_UDP_PORT;
6987
6988         if (inner) {
6989                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6990                                          inner_headers);
6991                 headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
6992         } else {
6993                 headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
6994                                          outer_headers);
6995                 headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
6996         }
6997         if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
6998                 MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
6999                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
7000         }
7001         if (!gtp_v)
7002                 return;
7003         if (!gtp_m)
7004                 gtp_m = &rte_flow_item_gtp_mask;
7005         MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_msg_type, gtp_m->msg_type);
7006         MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_msg_type,
7007                  gtp_v->msg_type & gtp_m->msg_type);
7008         MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_teid,
7009                  rte_be_to_cpu_32(gtp_m->teid));
7010         MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_teid,
7011                  rte_be_to_cpu_32(gtp_v->teid & gtp_m->teid));
7012 }
7013
7014 static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
7015
7016 #define HEADER_IS_ZERO(match_criteria, headers)                              \
7017         !(memcmp(MLX5_ADDR_OF(fte_match_param, match_criteria, headers),     \
7018                  matcher_zero, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \
7019
7020 /**
7021  * Calculate flow matcher enable bitmap.
7022  *
7023  * @param match_criteria
7024  *   Pointer to flow matcher criteria.
7025  *
7026  * @return
7027  *   Bitmap of enabled fields.
7028  */
7029 static uint8_t
7030 flow_dv_matcher_enable(uint32_t *match_criteria)
7031 {
7032         uint8_t match_criteria_enable;
7033
7034         match_criteria_enable =
7035                 (!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
7036                 MLX5_MATCH_CRITERIA_ENABLE_OUTER_BIT;
7037         match_criteria_enable |=
7038                 (!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
7039                 MLX5_MATCH_CRITERIA_ENABLE_MISC_BIT;
7040         match_criteria_enable |=
7041                 (!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
7042                 MLX5_MATCH_CRITERIA_ENABLE_INNER_BIT;
7043         match_criteria_enable |=
7044                 (!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
7045                 MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
7046         match_criteria_enable |=
7047                 (!HEADER_IS_ZERO(match_criteria, misc_parameters_3)) <<
7048                 MLX5_MATCH_CRITERIA_ENABLE_MISC3_BIT;
7049         return match_criteria_enable;
7050 }
7051
7052
7053 /**
7054  * Get a flow table.
7055  *
7056  * @param[in, out] dev
7057  *   Pointer to rte_eth_dev structure.
7058  * @param[in] table_id
7059  *   Table id to use.
7060  * @param[in] egress
7061  *   Direction of the table.
7062  * @param[in] transfer
7063  *   E-Switch or NIC flow.
7064  * @param[out] error
7065  *   pointer to error structure.
7066  *
7067  * @return
7068  *   Returns tables resource based on the index, NULL in case of failed.
7069  */
7070 static struct mlx5_flow_tbl_resource *
7071 flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
7072                          uint32_t table_id, uint8_t egress,
7073                          uint8_t transfer,
7074                          struct rte_flow_error *error)
7075 {
7076         struct mlx5_priv *priv = dev->data->dev_private;
7077         struct mlx5_ibv_shared *sh = priv->sh;
7078         struct mlx5_flow_tbl_resource *tbl;
7079         union mlx5_flow_tbl_key table_key = {
7080                 {
7081                         .table_id = table_id,
7082                         .reserved = 0,
7083                         .domain = !!transfer,
7084                         .direction = !!egress,
7085                 }
7086         };
7087         struct mlx5_hlist_entry *pos = mlx5_hlist_lookup(sh->flow_tbls,
7088                                                          table_key.v64);
7089         struct mlx5_flow_tbl_data_entry *tbl_data;
7090         uint32_t idx = 0;
7091         int ret;
7092         void *domain;
7093
7094         if (pos) {
7095                 tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
7096                                         entry);
7097                 tbl = &tbl_data->tbl;
7098                 rte_atomic32_inc(&tbl->refcnt);
7099                 return tbl;
7100         }
7101         tbl_data = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_JUMP], &idx);
7102         if (!tbl_data) {
7103                 rte_flow_error_set(error, ENOMEM,
7104                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7105                                    NULL,
7106                                    "cannot allocate flow table data entry");
7107                 return NULL;
7108         }
7109         tbl_data->idx = idx;
7110         tbl = &tbl_data->tbl;
7111         pos = &tbl_data->entry;
7112         if (transfer)
7113                 domain = sh->fdb_domain;
7114         else if (egress)
7115                 domain = sh->tx_domain;
7116         else
7117                 domain = sh->rx_domain;
7118         tbl->obj = mlx5_glue->dr_create_flow_tbl(domain, table_id);
7119         if (!tbl->obj) {
7120                 rte_flow_error_set(error, ENOMEM,
7121                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7122                                    NULL, "cannot create flow table object");
7123                 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
7124                 return NULL;
7125         }
7126         /*
7127          * No multi-threads now, but still better to initialize the reference
7128          * count before insert it into the hash list.
7129          */
7130         rte_atomic32_init(&tbl->refcnt);
7131         /* Jump action reference count is initialized here. */
7132         rte_atomic32_init(&tbl_data->jump.refcnt);
7133         pos->key = table_key.v64;
7134         ret = mlx5_hlist_insert(sh->flow_tbls, pos);
7135         if (ret < 0) {
7136                 rte_flow_error_set(error, -ret,
7137                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
7138                                    "cannot insert flow table data entry");
7139                 mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
7140                 mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
7141         }
7142         rte_atomic32_inc(&tbl->refcnt);
7143         return tbl;
7144 }
7145
7146 /**
7147  * Release a flow table.
7148  *
7149  * @param[in] dev
7150  *   Pointer to rte_eth_dev structure.
7151  * @param[in] tbl
7152  *   Table resource to be released.
7153  *
7154  * @return
7155  *   Returns 0 if table was released, else return 1;
7156  */
7157 static int
7158 flow_dv_tbl_resource_release(struct rte_eth_dev *dev,
7159                              struct mlx5_flow_tbl_resource *tbl)
7160 {
7161         struct mlx5_priv *priv = dev->data->dev_private;
7162         struct mlx5_ibv_shared *sh = priv->sh;
7163         struct mlx5_flow_tbl_data_entry *tbl_data =
7164                 container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
7165
7166         if (!tbl)
7167                 return 0;
7168         if (rte_atomic32_dec_and_test(&tbl->refcnt)) {
7169                 struct mlx5_hlist_entry *pos = &tbl_data->entry;
7170
7171                 mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
7172                 tbl->obj = NULL;
7173                 /* remove the entry from the hash list and free memory. */
7174                 mlx5_hlist_remove(sh->flow_tbls, pos);
7175                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_JUMP],
7176                                 tbl_data->idx);
7177                 return 0;
7178         }
7179         return 1;
7180 }
7181
7182 /**
7183  * Register the flow matcher.
7184  *
7185  * @param[in, out] dev
7186  *   Pointer to rte_eth_dev structure.
7187  * @param[in, out] matcher
7188  *   Pointer to flow matcher.
7189  * @param[in, out] key
7190  *   Pointer to flow table key.
7191  * @parm[in, out] dev_flow
7192  *   Pointer to the dev_flow.
7193  * @param[out] error
7194  *   pointer to error structure.
7195  *
7196  * @return
7197  *   0 on success otherwise -errno and errno is set.
7198  */
7199 static int
7200 flow_dv_matcher_register(struct rte_eth_dev *dev,
7201                          struct mlx5_flow_dv_matcher *matcher,
7202                          union mlx5_flow_tbl_key *key,
7203                          struct mlx5_flow *dev_flow,
7204                          struct rte_flow_error *error)
7205 {
7206         struct mlx5_priv *priv = dev->data->dev_private;
7207         struct mlx5_ibv_shared *sh = priv->sh;
7208         struct mlx5_flow_dv_matcher *cache_matcher;
7209         struct mlx5dv_flow_matcher_attr dv_attr = {
7210                 .type = IBV_FLOW_ATTR_NORMAL,
7211                 .match_mask = (void *)&matcher->mask,
7212         };
7213         struct mlx5_flow_tbl_resource *tbl;
7214         struct mlx5_flow_tbl_data_entry *tbl_data;
7215
7216         tbl = flow_dv_tbl_resource_get(dev, key->table_id, key->direction,
7217                                        key->domain, error);
7218         if (!tbl)
7219                 return -rte_errno;      /* No need to refill the error info */
7220         tbl_data = container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
7221         /* Lookup from cache. */
7222         LIST_FOREACH(cache_matcher, &tbl_data->matchers, next) {
7223                 if (matcher->crc == cache_matcher->crc &&
7224                     matcher->priority == cache_matcher->priority &&
7225                     !memcmp((const void *)matcher->mask.buf,
7226                             (const void *)cache_matcher->mask.buf,
7227                             cache_matcher->mask.size)) {
7228                         DRV_LOG(DEBUG,
7229                                 "%s group %u priority %hd use %s "
7230                                 "matcher %p: refcnt %d++",
7231                                 key->domain ? "FDB" : "NIC", key->table_id,
7232                                 cache_matcher->priority,
7233                                 key->direction ? "tx" : "rx",
7234                                 (void *)cache_matcher,
7235                                 rte_atomic32_read(&cache_matcher->refcnt));
7236                         rte_atomic32_inc(&cache_matcher->refcnt);
7237                         dev_flow->handle->dvh.matcher = cache_matcher;
7238                         /* old matcher should not make the table ref++. */
7239                         flow_dv_tbl_resource_release(dev, tbl);
7240                         return 0;
7241                 }
7242         }
7243         /* Register new matcher. */
7244         cache_matcher = rte_calloc(__func__, 1, sizeof(*cache_matcher), 0);
7245         if (!cache_matcher) {
7246                 flow_dv_tbl_resource_release(dev, tbl);
7247                 return rte_flow_error_set(error, ENOMEM,
7248                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
7249                                           "cannot allocate matcher memory");
7250         }
7251         *cache_matcher = *matcher;
7252         dv_attr.match_criteria_enable =
7253                 flow_dv_matcher_enable(cache_matcher->mask.buf);
7254         dv_attr.priority = matcher->priority;
7255         if (key->direction)
7256                 dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
7257         cache_matcher->matcher_object =
7258                 mlx5_glue->dv_create_flow_matcher(sh->ctx, &dv_attr, tbl->obj);
7259         if (!cache_matcher->matcher_object) {
7260                 rte_free(cache_matcher);
7261 #ifdef HAVE_MLX5DV_DR
7262                 flow_dv_tbl_resource_release(dev, tbl);
7263 #endif
7264                 return rte_flow_error_set(error, ENOMEM,
7265                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7266                                           NULL, "cannot create matcher");
7267         }
7268         /* Save the table information */
7269         cache_matcher->tbl = tbl;
7270         rte_atomic32_init(&cache_matcher->refcnt);
7271         /* only matcher ref++, table ref++ already done above in get API. */
7272         rte_atomic32_inc(&cache_matcher->refcnt);
7273         LIST_INSERT_HEAD(&tbl_data->matchers, cache_matcher, next);
7274         dev_flow->handle->dvh.matcher = cache_matcher;
7275         DRV_LOG(DEBUG, "%s group %u priority %hd new %s matcher %p: refcnt %d",
7276                 key->domain ? "FDB" : "NIC", key->table_id,
7277                 cache_matcher->priority,
7278                 key->direction ? "tx" : "rx", (void *)cache_matcher,
7279                 rte_atomic32_read(&cache_matcher->refcnt));
7280         return 0;
7281 }
7282
7283 /**
7284  * Find existing tag resource or create and register a new one.
7285  *
7286  * @param dev[in, out]
7287  *   Pointer to rte_eth_dev structure.
7288  * @param[in, out] tag_be24
7289  *   Tag value in big endian then R-shift 8.
7290  * @parm[in, out] dev_flow
7291  *   Pointer to the dev_flow.
7292  * @param[out] error
7293  *   pointer to error structure.
7294  *
7295  * @return
7296  *   0 on success otherwise -errno and errno is set.
7297  */
7298 static int
7299 flow_dv_tag_resource_register
7300                         (struct rte_eth_dev *dev,
7301                          uint32_t tag_be24,
7302                          struct mlx5_flow *dev_flow,
7303                          struct rte_flow_error *error)
7304 {
7305         struct mlx5_priv *priv = dev->data->dev_private;
7306         struct mlx5_ibv_shared *sh = priv->sh;
7307         struct mlx5_flow_dv_tag_resource *cache_resource;
7308         struct mlx5_hlist_entry *entry;
7309
7310         /* Lookup a matching resource from cache. */
7311         entry = mlx5_hlist_lookup(sh->tag_table, (uint64_t)tag_be24);
7312         if (entry) {
7313                 cache_resource = container_of
7314                         (entry, struct mlx5_flow_dv_tag_resource, entry);
7315                 rte_atomic32_inc(&cache_resource->refcnt);
7316                 dev_flow->handle->dvh.rix_tag = cache_resource->idx;
7317                 dev_flow->dv.tag_resource = cache_resource;
7318                 DRV_LOG(DEBUG, "cached tag resource %p: refcnt now %d++",
7319                         (void *)cache_resource,
7320                         rte_atomic32_read(&cache_resource->refcnt));
7321                 return 0;
7322         }
7323         /* Register new resource. */
7324         cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_TAG],
7325                                        &dev_flow->handle->dvh.rix_tag);
7326         if (!cache_resource)
7327                 return rte_flow_error_set(error, ENOMEM,
7328                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
7329                                           "cannot allocate resource memory");
7330         cache_resource->entry.key = (uint64_t)tag_be24;
7331         cache_resource->action = mlx5_glue->dv_create_flow_action_tag(tag_be24);
7332         if (!cache_resource->action) {
7333                 rte_free(cache_resource);
7334                 return rte_flow_error_set(error, ENOMEM,
7335                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7336                                           NULL, "cannot create action");
7337         }
7338         rte_atomic32_init(&cache_resource->refcnt);
7339         rte_atomic32_inc(&cache_resource->refcnt);
7340         if (mlx5_hlist_insert(sh->tag_table, &cache_resource->entry)) {
7341                 mlx5_glue->destroy_flow_action(cache_resource->action);
7342                 rte_free(cache_resource);
7343                 return rte_flow_error_set(error, EEXIST,
7344                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7345                                           NULL, "cannot insert tag");
7346         }
7347         dev_flow->dv.tag_resource = cache_resource;
7348         DRV_LOG(DEBUG, "new tag resource %p: refcnt now %d++",
7349                 (void *)cache_resource,
7350                 rte_atomic32_read(&cache_resource->refcnt));
7351         return 0;
7352 }
7353
7354 /**
7355  * Release the tag.
7356  *
7357  * @param dev
7358  *   Pointer to Ethernet device.
7359  * @param tag_idx
7360  *   Tag index.
7361  *
7362  * @return
7363  *   1 while a reference on it exists, 0 when freed.
7364  */
7365 static int
7366 flow_dv_tag_release(struct rte_eth_dev *dev,
7367                     uint32_t tag_idx)
7368 {
7369         struct mlx5_priv *priv = dev->data->dev_private;
7370         struct mlx5_ibv_shared *sh = priv->sh;
7371         struct mlx5_flow_dv_tag_resource *tag;
7372
7373         tag = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_TAG], tag_idx);
7374         if (!tag)
7375                 return 0;
7376         DRV_LOG(DEBUG, "port %u tag %p: refcnt %d--",
7377                 dev->data->port_id, (void *)tag,
7378                 rte_atomic32_read(&tag->refcnt));
7379         if (rte_atomic32_dec_and_test(&tag->refcnt)) {
7380                 claim_zero(mlx5_glue->destroy_flow_action(tag->action));
7381                 mlx5_hlist_remove(sh->tag_table, &tag->entry);
7382                 DRV_LOG(DEBUG, "port %u tag %p: removed",
7383                         dev->data->port_id, (void *)tag);
7384                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_TAG], tag_idx);
7385                 return 0;
7386         }
7387         return 1;
7388 }
7389
7390 /**
7391  * Translate port ID action to vport.
7392  *
7393  * @param[in] dev
7394  *   Pointer to rte_eth_dev structure.
7395  * @param[in] action
7396  *   Pointer to the port ID action.
7397  * @param[out] dst_port_id
7398  *   The target port ID.
7399  * @param[out] error
7400  *   Pointer to the error structure.
7401  *
7402  * @return
7403  *   0 on success, a negative errno value otherwise and rte_errno is set.
7404  */
7405 static int
7406 flow_dv_translate_action_port_id(struct rte_eth_dev *dev,
7407                                  const struct rte_flow_action *action,
7408                                  uint32_t *dst_port_id,
7409                                  struct rte_flow_error *error)
7410 {
7411         uint32_t port;
7412         struct mlx5_priv *priv;
7413         const struct rte_flow_action_port_id *conf =
7414                         (const struct rte_flow_action_port_id *)action->conf;
7415
7416         port = conf->original ? dev->data->port_id : conf->id;
7417         priv = mlx5_port_to_eswitch_info(port, false);
7418         if (!priv)
7419                 return rte_flow_error_set(error, -rte_errno,
7420                                           RTE_FLOW_ERROR_TYPE_ACTION,
7421                                           NULL,
7422                                           "No eswitch info was found for port");
7423 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
7424         /*
7425          * This parameter is transferred to
7426          * mlx5dv_dr_action_create_dest_ib_port().
7427          */
7428         *dst_port_id = priv->ibv_port;
7429 #else
7430         /*
7431          * Legacy mode, no LAG configurations is supported.
7432          * This parameter is transferred to
7433          * mlx5dv_dr_action_create_dest_vport().
7434          */
7435         *dst_port_id = priv->vport_id;
7436 #endif
7437         return 0;
7438 }
7439
7440 /**
7441  * Create a counter with aging configuration.
7442  *
7443  * @param[in] dev
7444  *   Pointer to rte_eth_dev structure.
7445  * @param[out] count
7446  *   Pointer to the counter action configuration.
7447  * @param[in] age
7448  *   Pointer to the aging action configuration.
7449  *
7450  * @return
7451  *   Index to flow counter on success, 0 otherwise.
7452  */
7453 static uint32_t
7454 flow_dv_translate_create_counter(struct rte_eth_dev *dev,
7455                                 struct mlx5_flow *dev_flow,
7456                                 const struct rte_flow_action_count *count,
7457                                 const struct rte_flow_action_age *age)
7458 {
7459         uint32_t counter;
7460         struct mlx5_age_param *age_param;
7461
7462         counter = flow_dv_counter_alloc(dev,
7463                                 count ? count->shared : 0,
7464                                 count ? count->id : 0,
7465                                 dev_flow->dv.group, !!age);
7466         if (!counter || age == NULL)
7467                 return counter;
7468         age_param  = flow_dv_counter_idx_get_age(dev, counter);
7469         /*
7470          * The counter age accuracy may have a bit delay. Have 3/4
7471          * second bias on the timeount in order to let it age in time.
7472          */
7473         age_param->context = age->context ? age->context :
7474                 (void *)(uintptr_t)(dev_flow->flow_idx);
7475         /*
7476          * The counter age accuracy may have a bit delay. Have 3/4
7477          * second bias on the timeount in order to let it age in time.
7478          */
7479         age_param->timeout = age->timeout * 10 - MLX5_AGING_TIME_DELAY;
7480         /* Set expire time in unit of 0.1 sec. */
7481         age_param->port_id = dev->data->port_id;
7482         age_param->expire = age_param->timeout +
7483                         rte_rdtsc() / (rte_get_tsc_hz() / 10);
7484         rte_atomic16_set(&age_param->state, AGE_CANDIDATE);
7485         return counter;
7486 }
7487 /**
7488  * Add Tx queue matcher
7489  *
7490  * @param[in] dev
7491  *   Pointer to the dev struct.
7492  * @param[in, out] matcher
7493  *   Flow matcher.
7494  * @param[in, out] key
7495  *   Flow matcher value.
7496  * @param[in] item
7497  *   Flow pattern to translate.
7498  * @param[in] inner
7499  *   Item is inner pattern.
7500  */
7501 static void
7502 flow_dv_translate_item_tx_queue(struct rte_eth_dev *dev,
7503                                 void *matcher, void *key,
7504                                 const struct rte_flow_item *item)
7505 {
7506         const struct mlx5_rte_flow_item_tx_queue *queue_m;
7507         const struct mlx5_rte_flow_item_tx_queue *queue_v;
7508         void *misc_m =
7509                 MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
7510         void *misc_v =
7511                 MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
7512         struct mlx5_txq_ctrl *txq;
7513         uint32_t queue;
7514
7515
7516         queue_m = (const void *)item->mask;
7517         if (!queue_m)
7518                 return;
7519         queue_v = (const void *)item->spec;
7520         if (!queue_v)
7521                 return;
7522         txq = mlx5_txq_get(dev, queue_v->queue);
7523         if (!txq)
7524                 return;
7525         queue = txq->obj->sq->id;
7526         MLX5_SET(fte_match_set_misc, misc_m, source_sqn, queue_m->queue);
7527         MLX5_SET(fte_match_set_misc, misc_v, source_sqn,
7528                  queue & queue_m->queue);
7529         mlx5_txq_release(dev, queue_v->queue);
7530 }
7531
7532 /**
7533  * Set the hash fields according to the @p flow information.
7534  *
7535  * @param[in] dev_flow
7536  *   Pointer to the mlx5_flow.
7537  * @param[in] rss_desc
7538  *   Pointer to the mlx5_flow_rss_desc.
7539  */
7540 static void
7541 flow_dv_hashfields_set(struct mlx5_flow *dev_flow,
7542                        struct mlx5_flow_rss_desc *rss_desc)
7543 {
7544         uint64_t items = dev_flow->handle->layers;
7545         int rss_inner = 0;
7546         uint64_t rss_types = rte_eth_rss_hf_refine(rss_desc->types);
7547
7548         dev_flow->hash_fields = 0;
7549 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
7550         if (rss_desc->level >= 2) {
7551                 dev_flow->hash_fields |= IBV_RX_HASH_INNER;
7552                 rss_inner = 1;
7553         }
7554 #endif
7555         if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV4)) ||
7556             (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV4))) {
7557                 if (rss_types & MLX5_IPV4_LAYER_TYPES) {
7558                         if (rss_types & ETH_RSS_L3_SRC_ONLY)
7559                                 dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV4;
7560                         else if (rss_types & ETH_RSS_L3_DST_ONLY)
7561                                 dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV4;
7562                         else
7563                                 dev_flow->hash_fields |= MLX5_IPV4_IBV_RX_HASH;
7564                 }
7565         } else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV6)) ||
7566                    (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV6))) {
7567                 if (rss_types & MLX5_IPV6_LAYER_TYPES) {
7568                         if (rss_types & ETH_RSS_L3_SRC_ONLY)
7569                                 dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV6;
7570                         else if (rss_types & ETH_RSS_L3_DST_ONLY)
7571                                 dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV6;
7572                         else
7573                                 dev_flow->hash_fields |= MLX5_IPV6_IBV_RX_HASH;
7574                 }
7575         }
7576         if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_UDP)) ||
7577             (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_UDP))) {
7578                 if (rss_types & ETH_RSS_UDP) {
7579                         if (rss_types & ETH_RSS_L4_SRC_ONLY)
7580                                 dev_flow->hash_fields |=
7581                                                 IBV_RX_HASH_SRC_PORT_UDP;
7582                         else if (rss_types & ETH_RSS_L4_DST_ONLY)
7583                                 dev_flow->hash_fields |=
7584                                                 IBV_RX_HASH_DST_PORT_UDP;
7585                         else
7586                                 dev_flow->hash_fields |= MLX5_UDP_IBV_RX_HASH;
7587                 }
7588         } else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_TCP)) ||
7589                    (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_TCP))) {
7590                 if (rss_types & ETH_RSS_TCP) {
7591                         if (rss_types & ETH_RSS_L4_SRC_ONLY)
7592                                 dev_flow->hash_fields |=
7593                                                 IBV_RX_HASH_SRC_PORT_TCP;
7594                         else if (rss_types & ETH_RSS_L4_DST_ONLY)
7595                                 dev_flow->hash_fields |=
7596                                                 IBV_RX_HASH_DST_PORT_TCP;
7597                         else
7598                                 dev_flow->hash_fields |= MLX5_TCP_IBV_RX_HASH;
7599                 }
7600         }
7601 }
7602
7603 /**
7604  * Fill the flow with DV spec, lock free
7605  * (mutex should be acquired by caller).
7606  *
7607  * @param[in] dev
7608  *   Pointer to rte_eth_dev structure.
7609  * @param[in, out] dev_flow
7610  *   Pointer to the sub flow.
7611  * @param[in] attr
7612  *   Pointer to the flow attributes.
7613  * @param[in] items
7614  *   Pointer to the list of items.
7615  * @param[in] actions
7616  *   Pointer to the list of actions.
7617  * @param[out] error
7618  *   Pointer to the error structure.
7619  *
7620  * @return
7621  *   0 on success, a negative errno value otherwise and rte_errno is set.
7622  */
7623 static int
7624 __flow_dv_translate(struct rte_eth_dev *dev,
7625                     struct mlx5_flow *dev_flow,
7626                     const struct rte_flow_attr *attr,
7627                     const struct rte_flow_item items[],
7628                     const struct rte_flow_action actions[],
7629                     struct rte_flow_error *error)
7630 {
7631         struct mlx5_priv *priv = dev->data->dev_private;
7632         struct mlx5_dev_config *dev_conf = &priv->config;
7633         struct rte_flow *flow = dev_flow->flow;
7634         struct mlx5_flow_handle *handle = dev_flow->handle;
7635         struct mlx5_flow_rss_desc *rss_desc = &((struct mlx5_flow_rss_desc *)
7636                                               priv->rss_desc)
7637                                               [!!priv->flow_nested_idx];
7638         uint64_t item_flags = 0;
7639         uint64_t last_item = 0;
7640         uint64_t action_flags = 0;
7641         uint64_t priority = attr->priority;
7642         struct mlx5_flow_dv_matcher matcher = {
7643                 .mask = {
7644                         .size = sizeof(matcher.mask.buf),
7645                 },
7646         };
7647         int actions_n = 0;
7648         bool actions_end = false;
7649         union {
7650                 struct mlx5_flow_dv_modify_hdr_resource res;
7651                 uint8_t len[sizeof(struct mlx5_flow_dv_modify_hdr_resource) +
7652                             sizeof(struct mlx5_modification_cmd) *
7653                             (MLX5_MAX_MODIFY_NUM + 1)];
7654         } mhdr_dummy;
7655         struct mlx5_flow_dv_modify_hdr_resource *mhdr_res = &mhdr_dummy.res;
7656         const struct rte_flow_action_count *count = NULL;
7657         const struct rte_flow_action_age *age = NULL;
7658         union flow_dv_attr flow_attr = { .attr = 0 };
7659         uint32_t tag_be;
7660         union mlx5_flow_tbl_key tbl_key;
7661         uint32_t modify_action_position = UINT32_MAX;
7662         void *match_mask = matcher.mask.buf;
7663         void *match_value = dev_flow->dv.value.buf;
7664         uint8_t next_protocol = 0xff;
7665         struct rte_vlan_hdr vlan = { 0 };
7666         uint32_t table;
7667         int ret = 0;
7668
7669         mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
7670                                            MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
7671         ret = mlx5_flow_group_to_table(attr, dev_flow->external, attr->group,
7672                                        !!priv->fdb_def_rule, &table, error);
7673         if (ret)
7674                 return ret;
7675         dev_flow->dv.group = table;
7676         if (attr->transfer)
7677                 mhdr_res->ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
7678         if (priority == MLX5_FLOW_PRIO_RSVD)
7679                 priority = dev_conf->flow_prio - 1;
7680         /* number of actions must be set to 0 in case of dirty stack. */
7681         mhdr_res->actions_num = 0;
7682         for (; !actions_end ; actions++) {
7683                 const struct rte_flow_action_queue *queue;
7684                 const struct rte_flow_action_rss *rss;
7685                 const struct rte_flow_action *action = actions;
7686                 const uint8_t *rss_key;
7687                 const struct rte_flow_action_jump *jump_data;
7688                 const struct rte_flow_action_meter *mtr;
7689                 struct mlx5_flow_tbl_resource *tbl;
7690                 uint32_t port_id = 0;
7691                 struct mlx5_flow_dv_port_id_action_resource port_id_resource;
7692                 int action_type = actions->type;
7693                 const struct rte_flow_action *found_action = NULL;
7694                 struct mlx5_flow_meter *fm = NULL;
7695
7696                 switch (action_type) {
7697                 case RTE_FLOW_ACTION_TYPE_VOID:
7698                         break;
7699                 case RTE_FLOW_ACTION_TYPE_PORT_ID:
7700                         if (flow_dv_translate_action_port_id(dev, action,
7701                                                              &port_id, error))
7702                                 return -rte_errno;
7703                         memset(&port_id_resource, 0, sizeof(port_id_resource));
7704                         port_id_resource.port_id = port_id;
7705                         if (flow_dv_port_id_action_resource_register
7706                             (dev, &port_id_resource, dev_flow, error))
7707                                 return -rte_errno;
7708                         MLX5_ASSERT(!handle->rix_port_id_action);
7709                         dev_flow->dv.actions[actions_n++] =
7710                                         dev_flow->dv.port_id_action->action;
7711                         action_flags |= MLX5_FLOW_ACTION_PORT_ID;
7712                         dev_flow->handle->fate_action = MLX5_FLOW_FATE_PORT_ID;
7713                         break;
7714                 case RTE_FLOW_ACTION_TYPE_FLAG:
7715                         action_flags |= MLX5_FLOW_ACTION_FLAG;
7716                         dev_flow->handle->mark = 1;
7717                         if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
7718                                 struct rte_flow_action_mark mark = {
7719                                         .id = MLX5_FLOW_MARK_DEFAULT,
7720                                 };
7721
7722                                 if (flow_dv_convert_action_mark(dev, &mark,
7723                                                                 mhdr_res,
7724                                                                 error))
7725                                         return -rte_errno;
7726                                 action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
7727                                 break;
7728                         }
7729                         tag_be = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
7730                         /*
7731                          * Only one FLAG or MARK is supported per device flow
7732                          * right now. So the pointer to the tag resource must be
7733                          * zero before the register process.
7734                          */
7735                         MLX5_ASSERT(!handle->dvh.rix_tag);
7736                         if (flow_dv_tag_resource_register(dev, tag_be,
7737                                                           dev_flow, error))
7738                                 return -rte_errno;
7739                         MLX5_ASSERT(dev_flow->dv.tag_resource);
7740                         dev_flow->dv.actions[actions_n++] =
7741                                         dev_flow->dv.tag_resource->action;
7742                         break;
7743                 case RTE_FLOW_ACTION_TYPE_MARK:
7744                         action_flags |= MLX5_FLOW_ACTION_MARK;
7745                         dev_flow->handle->mark = 1;
7746                         if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
7747                                 const struct rte_flow_action_mark *mark =
7748                                         (const struct rte_flow_action_mark *)
7749                                                 actions->conf;
7750
7751                                 if (flow_dv_convert_action_mark(dev, mark,
7752                                                                 mhdr_res,
7753                                                                 error))
7754                                         return -rte_errno;
7755                                 action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
7756                                 break;
7757                         }
7758                         /* Fall-through */
7759                 case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
7760                         /* Legacy (non-extensive) MARK action. */
7761                         tag_be = mlx5_flow_mark_set
7762                               (((const struct rte_flow_action_mark *)
7763                                (actions->conf))->id);
7764                         MLX5_ASSERT(!handle->dvh.rix_tag);
7765                         if (flow_dv_tag_resource_register(dev, tag_be,
7766                                                           dev_flow, error))
7767                                 return -rte_errno;
7768                         MLX5_ASSERT(dev_flow->dv.tag_resource);
7769                         dev_flow->dv.actions[actions_n++] =
7770                                         dev_flow->dv.tag_resource->action;
7771                         break;
7772                 case RTE_FLOW_ACTION_TYPE_SET_META:
7773                         if (flow_dv_convert_action_set_meta
7774                                 (dev, mhdr_res, attr,
7775                                  (const struct rte_flow_action_set_meta *)
7776                                   actions->conf, error))
7777                                 return -rte_errno;
7778                         action_flags |= MLX5_FLOW_ACTION_SET_META;
7779                         break;
7780                 case RTE_FLOW_ACTION_TYPE_SET_TAG:
7781                         if (flow_dv_convert_action_set_tag
7782                                 (dev, mhdr_res,
7783                                  (const struct rte_flow_action_set_tag *)
7784                                   actions->conf, error))
7785                                 return -rte_errno;
7786                         action_flags |= MLX5_FLOW_ACTION_SET_TAG;
7787                         break;
7788                 case RTE_FLOW_ACTION_TYPE_DROP:
7789                         action_flags |= MLX5_FLOW_ACTION_DROP;
7790                         dev_flow->handle->fate_action = MLX5_FLOW_FATE_DROP;
7791                         break;
7792                 case RTE_FLOW_ACTION_TYPE_QUEUE:
7793                         queue = actions->conf;
7794                         rss_desc->queue_num = 1;
7795                         rss_desc->queue[0] = queue->index;
7796                         action_flags |= MLX5_FLOW_ACTION_QUEUE;
7797                         dev_flow->handle->fate_action = MLX5_FLOW_FATE_QUEUE;
7798                         break;
7799                 case RTE_FLOW_ACTION_TYPE_RSS:
7800                         rss = actions->conf;
7801                         memcpy(rss_desc->queue, rss->queue,
7802                                rss->queue_num * sizeof(uint16_t));
7803                         rss_desc->queue_num = rss->queue_num;
7804                         /* NULL RSS key indicates default RSS key. */
7805                         rss_key = !rss->key ? rss_hash_default_key : rss->key;
7806                         memcpy(rss_desc->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
7807                         /*
7808                          * rss->level and rss.types should be set in advance
7809                          * when expanding items for RSS.
7810                          */
7811                         action_flags |= MLX5_FLOW_ACTION_RSS;
7812                         dev_flow->handle->fate_action = MLX5_FLOW_FATE_QUEUE;
7813                         break;
7814                 case RTE_FLOW_ACTION_TYPE_AGE:
7815                 case RTE_FLOW_ACTION_TYPE_COUNT:
7816                         if (!dev_conf->devx) {
7817                                 return rte_flow_error_set
7818                                               (error, ENOTSUP,
7819                                                RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
7820                                                NULL,
7821                                                "count action not supported");
7822                         }
7823                         /* Save information first, will apply later. */
7824                         if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT)
7825                                 count = action->conf;
7826                         else
7827                                 age = action->conf;
7828                         action_flags |= MLX5_FLOW_ACTION_COUNT;
7829                         break;
7830                 case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
7831                         dev_flow->dv.actions[actions_n++] =
7832                                                 priv->sh->pop_vlan_action;
7833                         action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
7834                         break;
7835                 case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
7836                         if (!(action_flags &
7837                               MLX5_FLOW_ACTION_OF_SET_VLAN_VID))
7838                                 flow_dev_get_vlan_info_from_items(items, &vlan);
7839                         vlan.eth_proto = rte_be_to_cpu_16
7840                              ((((const struct rte_flow_action_of_push_vlan *)
7841                                                    actions->conf)->ethertype));
7842                         found_action = mlx5_flow_find_action
7843                                         (actions + 1,
7844                                          RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID);
7845                         if (found_action)
7846                                 mlx5_update_vlan_vid_pcp(found_action, &vlan);
7847                         found_action = mlx5_flow_find_action
7848                                         (actions + 1,
7849                                          RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP);
7850                         if (found_action)
7851                                 mlx5_update_vlan_vid_pcp(found_action, &vlan);
7852                         if (flow_dv_create_action_push_vlan
7853                                             (dev, attr, &vlan, dev_flow, error))
7854                                 return -rte_errno;
7855                         dev_flow->dv.actions[actions_n++] =
7856                                         dev_flow->dv.push_vlan_res->action;
7857                         action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
7858                         break;
7859                 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
7860                         /* of_vlan_push action handled this action */
7861                         MLX5_ASSERT(action_flags &
7862                                     MLX5_FLOW_ACTION_OF_PUSH_VLAN);
7863                         break;
7864                 case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
7865                         if (action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN)
7866                                 break;
7867                         flow_dev_get_vlan_info_from_items(items, &vlan);
7868                         mlx5_update_vlan_vid_pcp(actions, &vlan);
7869                         /* If no VLAN push - this is a modify header action */
7870                         if (flow_dv_convert_action_modify_vlan_vid
7871                                                 (mhdr_res, actions, error))
7872                                 return -rte_errno;
7873                         action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
7874                         break;
7875                 case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
7876                 case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
7877                         if (flow_dv_create_action_l2_encap(dev, actions,
7878                                                            dev_flow,
7879                                                            attr->transfer,
7880                                                            error))
7881                                 return -rte_errno;
7882                         dev_flow->dv.actions[actions_n++] =
7883                                         dev_flow->dv.encap_decap->verbs_action;
7884                         action_flags |= MLX5_FLOW_ACTION_ENCAP;
7885                         break;
7886                 case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
7887                 case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
7888                         if (flow_dv_create_action_l2_decap(dev, dev_flow,
7889                                                            attr->transfer,
7890                                                            error))
7891                                 return -rte_errno;
7892                         dev_flow->dv.actions[actions_n++] =
7893                                         dev_flow->dv.encap_decap->verbs_action;
7894                         action_flags |= MLX5_FLOW_ACTION_DECAP;
7895                         break;
7896                 case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
7897                         /* Handle encap with preceding decap. */
7898                         if (action_flags & MLX5_FLOW_ACTION_DECAP) {
7899                                 if (flow_dv_create_action_raw_encap
7900                                         (dev, actions, dev_flow, attr, error))
7901                                         return -rte_errno;
7902                                 dev_flow->dv.actions[actions_n++] =
7903                                         dev_flow->dv.encap_decap->verbs_action;
7904                         } else {
7905                                 /* Handle encap without preceding decap. */
7906                                 if (flow_dv_create_action_l2_encap
7907                                     (dev, actions, dev_flow, attr->transfer,
7908                                      error))
7909                                         return -rte_errno;
7910                                 dev_flow->dv.actions[actions_n++] =
7911                                         dev_flow->dv.encap_decap->verbs_action;
7912                         }
7913                         action_flags |= MLX5_FLOW_ACTION_ENCAP;
7914                         break;
7915                 case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
7916                         while ((++action)->type == RTE_FLOW_ACTION_TYPE_VOID)
7917                                 ;
7918                         if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
7919                                 if (flow_dv_create_action_l2_decap
7920                                     (dev, dev_flow, attr->transfer, error))
7921                                         return -rte_errno;
7922                                 dev_flow->dv.actions[actions_n++] =
7923                                         dev_flow->dv.encap_decap->verbs_action;
7924                         }
7925                         /* If decap is followed by encap, handle it at encap. */
7926                         action_flags |= MLX5_FLOW_ACTION_DECAP;
7927                         break;
7928                 case RTE_FLOW_ACTION_TYPE_JUMP:
7929                         jump_data = action->conf;
7930                         ret = mlx5_flow_group_to_table(attr, dev_flow->external,
7931                                                        jump_data->group,
7932                                                        !!priv->fdb_def_rule,
7933                                                        &table, error);
7934                         if (ret)
7935                                 return ret;
7936                         tbl = flow_dv_tbl_resource_get(dev, table,
7937                                                        attr->egress,
7938                                                        attr->transfer, error);
7939                         if (!tbl)
7940                                 return rte_flow_error_set
7941                                                 (error, errno,
7942                                                  RTE_FLOW_ERROR_TYPE_ACTION,
7943                                                  NULL,
7944                                                  "cannot create jump action.");
7945                         if (flow_dv_jump_tbl_resource_register
7946                             (dev, tbl, dev_flow, error)) {
7947                                 flow_dv_tbl_resource_release(dev, tbl);
7948                                 return rte_flow_error_set
7949                                                 (error, errno,
7950                                                  RTE_FLOW_ERROR_TYPE_ACTION,
7951                                                  NULL,
7952                                                  "cannot create jump action.");
7953                         }
7954                         dev_flow->dv.actions[actions_n++] =
7955                                         dev_flow->dv.jump->action;
7956                         action_flags |= MLX5_FLOW_ACTION_JUMP;
7957                         dev_flow->handle->fate_action = MLX5_FLOW_FATE_JUMP;
7958                         break;
7959                 case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
7960                 case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
7961                         if (flow_dv_convert_action_modify_mac
7962                                         (mhdr_res, actions, error))
7963                                 return -rte_errno;
7964                         action_flags |= actions->type ==
7965                                         RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
7966                                         MLX5_FLOW_ACTION_SET_MAC_SRC :
7967                                         MLX5_FLOW_ACTION_SET_MAC_DST;
7968                         break;
7969                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
7970                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
7971                         if (flow_dv_convert_action_modify_ipv4
7972                                         (mhdr_res, actions, error))
7973                                 return -rte_errno;
7974                         action_flags |= actions->type ==
7975                                         RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
7976                                         MLX5_FLOW_ACTION_SET_IPV4_SRC :
7977                                         MLX5_FLOW_ACTION_SET_IPV4_DST;
7978                         break;
7979                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
7980                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
7981                         if (flow_dv_convert_action_modify_ipv6
7982                                         (mhdr_res, actions, error))
7983                                 return -rte_errno;
7984                         action_flags |= actions->type ==
7985                                         RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
7986                                         MLX5_FLOW_ACTION_SET_IPV6_SRC :
7987                                         MLX5_FLOW_ACTION_SET_IPV6_DST;
7988                         break;
7989                 case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
7990                 case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
7991                         if (flow_dv_convert_action_modify_tp
7992                                         (mhdr_res, actions, items,
7993                                          &flow_attr, dev_flow, !!(action_flags &
7994                                          MLX5_FLOW_ACTION_DECAP), error))
7995                                 return -rte_errno;
7996                         action_flags |= actions->type ==
7997                                         RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
7998                                         MLX5_FLOW_ACTION_SET_TP_SRC :
7999                                         MLX5_FLOW_ACTION_SET_TP_DST;
8000                         break;
8001                 case RTE_FLOW_ACTION_TYPE_DEC_TTL:
8002                         if (flow_dv_convert_action_modify_dec_ttl
8003                                         (mhdr_res, items, &flow_attr, dev_flow,
8004                                          !!(action_flags &
8005                                          MLX5_FLOW_ACTION_DECAP), error))
8006                                 return -rte_errno;
8007                         action_flags |= MLX5_FLOW_ACTION_DEC_TTL;
8008                         break;
8009                 case RTE_FLOW_ACTION_TYPE_SET_TTL:
8010                         if (flow_dv_convert_action_modify_ttl
8011                                         (mhdr_res, actions, items, &flow_attr,
8012                                          dev_flow, !!(action_flags &
8013                                          MLX5_FLOW_ACTION_DECAP), error))
8014                                 return -rte_errno;
8015                         action_flags |= MLX5_FLOW_ACTION_SET_TTL;
8016                         break;
8017                 case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
8018                 case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
8019                         if (flow_dv_convert_action_modify_tcp_seq
8020                                         (mhdr_res, actions, error))
8021                                 return -rte_errno;
8022                         action_flags |= actions->type ==
8023                                         RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
8024                                         MLX5_FLOW_ACTION_INC_TCP_SEQ :
8025                                         MLX5_FLOW_ACTION_DEC_TCP_SEQ;
8026                         break;
8027
8028                 case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
8029                 case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
8030                         if (flow_dv_convert_action_modify_tcp_ack
8031                                         (mhdr_res, actions, error))
8032                                 return -rte_errno;
8033                         action_flags |= actions->type ==
8034                                         RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
8035                                         MLX5_FLOW_ACTION_INC_TCP_ACK :
8036                                         MLX5_FLOW_ACTION_DEC_TCP_ACK;
8037                         break;
8038                 case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
8039                         if (flow_dv_convert_action_set_reg
8040                                         (mhdr_res, actions, error))
8041                                 return -rte_errno;
8042                         action_flags |= MLX5_FLOW_ACTION_SET_TAG;
8043                         break;
8044                 case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
8045                         if (flow_dv_convert_action_copy_mreg
8046                                         (dev, mhdr_res, actions, error))
8047                                 return -rte_errno;
8048                         action_flags |= MLX5_FLOW_ACTION_SET_TAG;
8049                         break;
8050                 case RTE_FLOW_ACTION_TYPE_METER:
8051                         mtr = actions->conf;
8052                         if (!flow->meter) {
8053                                 fm = mlx5_flow_meter_attach(priv, mtr->mtr_id,
8054                                                             attr, error);
8055                                 if (!fm)
8056                                         return rte_flow_error_set(error,
8057                                                 rte_errno,
8058                                                 RTE_FLOW_ERROR_TYPE_ACTION,
8059                                                 NULL,
8060                                                 "meter not found "
8061                                                 "or invalid parameters");
8062                                 flow->meter = fm->idx;
8063                         }
8064                         /* Set the meter action. */
8065                         if (!fm) {
8066                                 fm = mlx5_ipool_get(priv->sh->ipool
8067                                                 [MLX5_IPOOL_MTR], flow->meter);
8068                                 if (!fm)
8069                                         return rte_flow_error_set(error,
8070                                                 rte_errno,
8071                                                 RTE_FLOW_ERROR_TYPE_ACTION,
8072                                                 NULL,
8073                                                 "meter not found "
8074                                                 "or invalid parameters");
8075                         }
8076                         dev_flow->dv.actions[actions_n++] =
8077                                 fm->mfts->meter_action;
8078                         action_flags |= MLX5_FLOW_ACTION_METER;
8079                         break;
8080                 case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
8081                         if (flow_dv_convert_action_modify_ipv4_dscp(mhdr_res,
8082                                                               actions, error))
8083                                 return -rte_errno;
8084                         action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
8085                         break;
8086                 case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
8087                         if (flow_dv_convert_action_modify_ipv6_dscp(mhdr_res,
8088                                                               actions, error))
8089                                 return -rte_errno;
8090                         action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
8091                         break;
8092                 case RTE_FLOW_ACTION_TYPE_END:
8093                         actions_end = true;
8094                         if (mhdr_res->actions_num) {
8095                                 /* create modify action if needed. */
8096                                 if (flow_dv_modify_hdr_resource_register
8097                                         (dev, mhdr_res, dev_flow, error))
8098                                         return -rte_errno;
8099                                 dev_flow->dv.actions[modify_action_position] =
8100                                         handle->dvh.modify_hdr->verbs_action;
8101                         }
8102                         if (action_flags & MLX5_FLOW_ACTION_COUNT) {
8103                                 flow->counter =
8104                                         flow_dv_translate_create_counter(dev,
8105                                                 dev_flow, count, age);
8106
8107                                 if (!flow->counter)
8108                                         return rte_flow_error_set
8109                                                 (error, rte_errno,
8110                                                 RTE_FLOW_ERROR_TYPE_ACTION,
8111                                                 NULL,
8112                                                 "cannot create counter"
8113                                                 " object.");
8114                                 dev_flow->dv.actions[actions_n++] =
8115                                           (flow_dv_counter_get_by_idx(dev,
8116                                           flow->counter, NULL))->action;
8117                         }
8118                         break;
8119                 default:
8120                         break;
8121                 }
8122                 if (mhdr_res->actions_num &&
8123                     modify_action_position == UINT32_MAX)
8124                         modify_action_position = actions_n++;
8125         }
8126         dev_flow->dv.actions_n = actions_n;
8127         dev_flow->act_flags = action_flags;
8128         for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
8129                 int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
8130                 int item_type = items->type;
8131
8132                 switch (item_type) {
8133                 case RTE_FLOW_ITEM_TYPE_PORT_ID:
8134                         flow_dv_translate_item_port_id(dev, match_mask,
8135                                                        match_value, items);
8136                         last_item = MLX5_FLOW_ITEM_PORT_ID;
8137                         break;
8138                 case RTE_FLOW_ITEM_TYPE_ETH:
8139                         flow_dv_translate_item_eth(match_mask, match_value,
8140                                                    items, tunnel);
8141                         matcher.priority = MLX5_PRIORITY_MAP_L2;
8142                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
8143                                              MLX5_FLOW_LAYER_OUTER_L2;
8144                         break;
8145                 case RTE_FLOW_ITEM_TYPE_VLAN:
8146                         flow_dv_translate_item_vlan(dev_flow,
8147                                                     match_mask, match_value,
8148                                                     items, tunnel);
8149                         matcher.priority = MLX5_PRIORITY_MAP_L2;
8150                         last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
8151                                               MLX5_FLOW_LAYER_INNER_VLAN) :
8152                                              (MLX5_FLOW_LAYER_OUTER_L2 |
8153                                               MLX5_FLOW_LAYER_OUTER_VLAN);
8154                         break;
8155                 case RTE_FLOW_ITEM_TYPE_IPV4:
8156                         mlx5_flow_tunnel_ip_check(items, next_protocol,
8157                                                   &item_flags, &tunnel);
8158                         flow_dv_translate_item_ipv4(match_mask, match_value,
8159                                                     items, item_flags, tunnel,
8160                                                     dev_flow->dv.group);
8161                         matcher.priority = MLX5_PRIORITY_MAP_L3;
8162                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
8163                                              MLX5_FLOW_LAYER_OUTER_L3_IPV4;
8164                         if (items->mask != NULL &&
8165                             ((const struct rte_flow_item_ipv4 *)
8166                              items->mask)->hdr.next_proto_id) {
8167                                 next_protocol =
8168                                         ((const struct rte_flow_item_ipv4 *)
8169                                          (items->spec))->hdr.next_proto_id;
8170                                 next_protocol &=
8171                                         ((const struct rte_flow_item_ipv4 *)
8172                                          (items->mask))->hdr.next_proto_id;
8173                         } else {
8174                                 /* Reset for inner layer. */
8175                                 next_protocol = 0xff;
8176                         }
8177                         break;
8178                 case RTE_FLOW_ITEM_TYPE_IPV6:
8179                         mlx5_flow_tunnel_ip_check(items, next_protocol,
8180                                                   &item_flags, &tunnel);
8181                         flow_dv_translate_item_ipv6(match_mask, match_value,
8182                                                     items, item_flags, tunnel,
8183                                                     dev_flow->dv.group);
8184                         matcher.priority = MLX5_PRIORITY_MAP_L3;
8185                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
8186                                              MLX5_FLOW_LAYER_OUTER_L3_IPV6;
8187                         if (items->mask != NULL &&
8188                             ((const struct rte_flow_item_ipv6 *)
8189                              items->mask)->hdr.proto) {
8190                                 next_protocol =
8191                                         ((const struct rte_flow_item_ipv6 *)
8192                                          items->spec)->hdr.proto;
8193                                 next_protocol &=
8194                                         ((const struct rte_flow_item_ipv6 *)
8195                                          items->mask)->hdr.proto;
8196                         } else {
8197                                 /* Reset for inner layer. */
8198                                 next_protocol = 0xff;
8199                         }
8200                         break;
8201                 case RTE_FLOW_ITEM_TYPE_TCP:
8202                         flow_dv_translate_item_tcp(match_mask, match_value,
8203                                                    items, tunnel);
8204                         matcher.priority = MLX5_PRIORITY_MAP_L4;
8205                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
8206                                              MLX5_FLOW_LAYER_OUTER_L4_TCP;
8207                         break;
8208                 case RTE_FLOW_ITEM_TYPE_UDP:
8209                         flow_dv_translate_item_udp(match_mask, match_value,
8210                                                    items, tunnel);
8211                         matcher.priority = MLX5_PRIORITY_MAP_L4;
8212                         last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
8213                                              MLX5_FLOW_LAYER_OUTER_L4_UDP;
8214                         break;
8215                 case RTE_FLOW_ITEM_TYPE_GRE:
8216                         flow_dv_translate_item_gre(match_mask, match_value,
8217                                                    items, tunnel);
8218                         matcher.priority = rss_desc->level >= 2 ?
8219                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8220                         last_item = MLX5_FLOW_LAYER_GRE;
8221                         break;
8222                 case RTE_FLOW_ITEM_TYPE_GRE_KEY:
8223                         flow_dv_translate_item_gre_key(match_mask,
8224                                                        match_value, items);
8225                         last_item = MLX5_FLOW_LAYER_GRE_KEY;
8226                         break;
8227                 case RTE_FLOW_ITEM_TYPE_NVGRE:
8228                         flow_dv_translate_item_nvgre(match_mask, match_value,
8229                                                      items, tunnel);
8230                         matcher.priority = rss_desc->level >= 2 ?
8231                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8232                         last_item = MLX5_FLOW_LAYER_GRE;
8233                         break;
8234                 case RTE_FLOW_ITEM_TYPE_VXLAN:
8235                         flow_dv_translate_item_vxlan(match_mask, match_value,
8236                                                      items, tunnel);
8237                         matcher.priority = rss_desc->level >= 2 ?
8238                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8239                         last_item = MLX5_FLOW_LAYER_VXLAN;
8240                         break;
8241                 case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
8242                         flow_dv_translate_item_vxlan_gpe(match_mask,
8243                                                          match_value, items,
8244                                                          tunnel);
8245                         matcher.priority = rss_desc->level >= 2 ?
8246                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8247                         last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
8248                         break;
8249                 case RTE_FLOW_ITEM_TYPE_GENEVE:
8250                         flow_dv_translate_item_geneve(match_mask, match_value,
8251                                                       items, tunnel);
8252                         matcher.priority = rss_desc->level >= 2 ?
8253                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8254                         last_item = MLX5_FLOW_LAYER_GENEVE;
8255                         break;
8256                 case RTE_FLOW_ITEM_TYPE_MPLS:
8257                         flow_dv_translate_item_mpls(match_mask, match_value,
8258                                                     items, last_item, tunnel);
8259                         matcher.priority = rss_desc->level >= 2 ?
8260                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8261                         last_item = MLX5_FLOW_LAYER_MPLS;
8262                         break;
8263                 case RTE_FLOW_ITEM_TYPE_MARK:
8264                         flow_dv_translate_item_mark(dev, match_mask,
8265                                                     match_value, items);
8266                         last_item = MLX5_FLOW_ITEM_MARK;
8267                         break;
8268                 case RTE_FLOW_ITEM_TYPE_META:
8269                         flow_dv_translate_item_meta(dev, match_mask,
8270                                                     match_value, attr, items);
8271                         last_item = MLX5_FLOW_ITEM_METADATA;
8272                         break;
8273                 case RTE_FLOW_ITEM_TYPE_ICMP:
8274                         flow_dv_translate_item_icmp(match_mask, match_value,
8275                                                     items, tunnel);
8276                         last_item = MLX5_FLOW_LAYER_ICMP;
8277                         break;
8278                 case RTE_FLOW_ITEM_TYPE_ICMP6:
8279                         flow_dv_translate_item_icmp6(match_mask, match_value,
8280                                                       items, tunnel);
8281                         last_item = MLX5_FLOW_LAYER_ICMP6;
8282                         break;
8283                 case RTE_FLOW_ITEM_TYPE_TAG:
8284                         flow_dv_translate_item_tag(dev, match_mask,
8285                                                    match_value, items);
8286                         last_item = MLX5_FLOW_ITEM_TAG;
8287                         break;
8288                 case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
8289                         flow_dv_translate_mlx5_item_tag(dev, match_mask,
8290                                                         match_value, items);
8291                         last_item = MLX5_FLOW_ITEM_TAG;
8292                         break;
8293                 case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
8294                         flow_dv_translate_item_tx_queue(dev, match_mask,
8295                                                         match_value,
8296                                                         items);
8297                         last_item = MLX5_FLOW_ITEM_TX_QUEUE;
8298                         break;
8299                 case RTE_FLOW_ITEM_TYPE_GTP:
8300                         flow_dv_translate_item_gtp(match_mask, match_value,
8301                                                    items, tunnel);
8302                         matcher.priority = rss_desc->level >= 2 ?
8303                                     MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
8304                         last_item = MLX5_FLOW_LAYER_GTP;
8305                         break;
8306                 default:
8307                         break;
8308                 }
8309                 item_flags |= last_item;
8310         }
8311         /*
8312          * When E-Switch mode is enabled, we have two cases where we need to
8313          * set the source port manually.
8314          * The first one, is in case of Nic steering rule, and the second is
8315          * E-Switch rule where no port_id item was found. In both cases
8316          * the source port is set according the current port in use.
8317          */
8318         if (!(item_flags & MLX5_FLOW_ITEM_PORT_ID) &&
8319             (priv->representor || priv->master)) {
8320                 if (flow_dv_translate_item_port_id(dev, match_mask,
8321                                                    match_value, NULL))
8322                         return -rte_errno;
8323         }
8324 #ifdef RTE_LIBRTE_MLX5_DEBUG
8325         MLX5_ASSERT(!flow_dv_check_valid_spec(matcher.mask.buf,
8326                                               dev_flow->dv.value.buf));
8327 #endif
8328         /*
8329          * Layers may be already initialized from prefix flow if this dev_flow
8330          * is the suffix flow.
8331          */
8332         handle->layers |= item_flags;
8333         if (action_flags & MLX5_FLOW_ACTION_RSS)
8334                 flow_dv_hashfields_set(dev_flow, rss_desc);
8335         /* Register matcher. */
8336         matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
8337                                     matcher.mask.size);
8338         matcher.priority = mlx5_flow_adjust_priority(dev, priority,
8339                                                      matcher.priority);
8340         /* reserved field no needs to be set to 0 here. */
8341         tbl_key.domain = attr->transfer;
8342         tbl_key.direction = attr->egress;
8343         tbl_key.table_id = dev_flow->dv.group;
8344         if (flow_dv_matcher_register(dev, &matcher, &tbl_key, dev_flow, error))
8345                 return -rte_errno;
8346         return 0;
8347 }
8348
8349 /**
8350  * Apply the flow to the NIC, lock free,
8351  * (mutex should be acquired by caller).
8352  *
8353  * @param[in] dev
8354  *   Pointer to the Ethernet device structure.
8355  * @param[in, out] flow
8356  *   Pointer to flow structure.
8357  * @param[out] error
8358  *   Pointer to error structure.
8359  *
8360  * @return
8361  *   0 on success, a negative errno value otherwise and rte_errno is set.
8362  */
8363 static int
8364 __flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
8365                 struct rte_flow_error *error)
8366 {
8367         struct mlx5_flow_dv_workspace *dv;
8368         struct mlx5_flow_handle *dh;
8369         struct mlx5_flow_handle_dv *dv_h;
8370         struct mlx5_flow *dev_flow;
8371         struct mlx5_priv *priv = dev->data->dev_private;
8372         uint32_t handle_idx;
8373         int n;
8374         int err;
8375         int idx;
8376
8377         for (idx = priv->flow_idx - 1; idx >= priv->flow_nested_idx; idx--) {
8378                 dev_flow = &((struct mlx5_flow *)priv->inter_flows)[idx];
8379                 dv = &dev_flow->dv;
8380                 dh = dev_flow->handle;
8381                 dv_h = &dh->dvh;
8382                 n = dv->actions_n;
8383                 if (dh->fate_action == MLX5_FLOW_FATE_DROP) {
8384                         if (dv->transfer) {
8385                                 dv->actions[n++] = priv->sh->esw_drop_action;
8386                         } else {
8387                                 struct mlx5_hrxq *drop_hrxq;
8388                                 drop_hrxq = mlx5_hrxq_drop_new(dev);
8389                                 if (!drop_hrxq) {
8390                                         rte_flow_error_set
8391                                                 (error, errno,
8392                                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8393                                                  NULL,
8394                                                  "cannot get drop hash queue");
8395                                         goto error;
8396                                 }
8397                                 /*
8398                                  * Drop queues will be released by the specify
8399                                  * mlx5_hrxq_drop_release() function. Assign
8400                                  * the special index to hrxq to mark the queue
8401                                  * has been allocated.
8402                                  */
8403                                 dh->rix_hrxq = UINT32_MAX;
8404                                 dv->actions[n++] = drop_hrxq->action;
8405                         }
8406                 } else if (dh->fate_action == MLX5_FLOW_FATE_QUEUE) {
8407                         struct mlx5_hrxq *hrxq;
8408                         uint32_t hrxq_idx;
8409                         struct mlx5_flow_rss_desc *rss_desc =
8410                                 &((struct mlx5_flow_rss_desc *)priv->rss_desc)
8411                                 [!!priv->flow_nested_idx];
8412
8413                         MLX5_ASSERT(rss_desc->queue_num);
8414                         hrxq_idx = mlx5_hrxq_get(dev, rss_desc->key,
8415                                                  MLX5_RSS_HASH_KEY_LEN,
8416                                                  dev_flow->hash_fields,
8417                                                  rss_desc->queue,
8418                                                  rss_desc->queue_num);
8419                         if (!hrxq_idx) {
8420                                 hrxq_idx = mlx5_hrxq_new
8421                                                 (dev, rss_desc->key,
8422                                                 MLX5_RSS_HASH_KEY_LEN,
8423                                                 dev_flow->hash_fields,
8424                                                 rss_desc->queue,
8425                                                 rss_desc->queue_num,
8426                                                 !!(dh->layers &
8427                                                 MLX5_FLOW_LAYER_TUNNEL));
8428                         }
8429                         hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
8430                                               hrxq_idx);
8431                         if (!hrxq) {
8432                                 rte_flow_error_set
8433                                         (error, rte_errno,
8434                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
8435                                          "cannot get hash queue");
8436                                 goto error;
8437                         }
8438                         dh->rix_hrxq = hrxq_idx;
8439                         dv->actions[n++] = hrxq->action;
8440                 }
8441                 dh->ib_flow =
8442                         mlx5_glue->dv_create_flow(dv_h->matcher->matcher_object,
8443                                                   (void *)&dv->value, n,
8444                                                   dv->actions);
8445                 if (!dh->ib_flow) {
8446                         rte_flow_error_set(error, errno,
8447                                            RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8448                                            NULL,
8449                                            "hardware refuses to create flow");
8450                         goto error;
8451                 }
8452                 if (priv->vmwa_context &&
8453                     dh->vf_vlan.tag && !dh->vf_vlan.created) {
8454                         /*
8455                          * The rule contains the VLAN pattern.
8456                          * For VF we are going to create VLAN
8457                          * interface to make hypervisor set correct
8458                          * e-Switch vport context.
8459                          */
8460                         mlx5_vlan_vmwa_acquire(dev, &dh->vf_vlan);
8461                 }
8462         }
8463         return 0;
8464 error:
8465         err = rte_errno; /* Save rte_errno before cleanup. */
8466         SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
8467                        handle_idx, dh, next) {
8468                 /* hrxq is union, don't clear it if the flag is not set. */
8469                 if (dh->rix_hrxq) {
8470                         if (dh->fate_action == MLX5_FLOW_FATE_DROP) {
8471                                 mlx5_hrxq_drop_release(dev);
8472                                 dh->rix_hrxq = 0;
8473                         } else if (dh->fate_action == MLX5_FLOW_FATE_QUEUE) {
8474                                 mlx5_hrxq_release(dev, dh->rix_hrxq);
8475                                 dh->rix_hrxq = 0;
8476                         }
8477                 }
8478                 if (dh->vf_vlan.tag && dh->vf_vlan.created)
8479                         mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);
8480         }
8481         rte_errno = err; /* Restore rte_errno. */
8482         return -rte_errno;
8483 }
8484
8485 /**
8486  * Release the flow matcher.
8487  *
8488  * @param dev
8489  *   Pointer to Ethernet device.
8490  * @param handle
8491  *   Pointer to mlx5_flow_handle.
8492  *
8493  * @return
8494  *   1 while a reference on it exists, 0 when freed.
8495  */
8496 static int
8497 flow_dv_matcher_release(struct rte_eth_dev *dev,
8498                         struct mlx5_flow_handle *handle)
8499 {
8500         struct mlx5_flow_dv_matcher *matcher = handle->dvh.matcher;
8501
8502         MLX5_ASSERT(matcher->matcher_object);
8503         DRV_LOG(DEBUG, "port %u matcher %p: refcnt %d--",
8504                 dev->data->port_id, (void *)matcher,
8505                 rte_atomic32_read(&matcher->refcnt));
8506         if (rte_atomic32_dec_and_test(&matcher->refcnt)) {
8507                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8508                            (matcher->matcher_object));
8509                 LIST_REMOVE(matcher, next);
8510                 /* table ref-- in release interface. */
8511                 flow_dv_tbl_resource_release(dev, matcher->tbl);
8512                 rte_free(matcher);
8513                 DRV_LOG(DEBUG, "port %u matcher %p: removed",
8514                         dev->data->port_id, (void *)matcher);
8515                 return 0;
8516         }
8517         return 1;
8518 }
8519
8520 /**
8521  * Release an encap/decap resource.
8522  *
8523  * @param dev
8524  *   Pointer to Ethernet device.
8525  * @param handle
8526  *   Pointer to mlx5_flow_handle.
8527  *
8528  * @return
8529  *   1 while a reference on it exists, 0 when freed.
8530  */
8531 static int
8532 flow_dv_encap_decap_resource_release(struct rte_eth_dev *dev,
8533                                      struct mlx5_flow_handle *handle)
8534 {
8535         struct mlx5_priv *priv = dev->data->dev_private;
8536         uint32_t idx = handle->dvh.rix_encap_decap;
8537         struct mlx5_flow_dv_encap_decap_resource *cache_resource;
8538
8539         cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
8540                          idx);
8541         if (!cache_resource)
8542                 return 0;
8543         MLX5_ASSERT(cache_resource->verbs_action);
8544         DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
8545                 (void *)cache_resource,
8546                 rte_atomic32_read(&cache_resource->refcnt));
8547         if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8548                 claim_zero(mlx5_glue->destroy_flow_action
8549                                 (cache_resource->verbs_action));
8550                 ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
8551                              &priv->sh->encaps_decaps, idx,
8552                              cache_resource, next);
8553                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP], idx);
8554                 DRV_LOG(DEBUG, "encap/decap resource %p: removed",
8555                         (void *)cache_resource);
8556                 return 0;
8557         }
8558         return 1;
8559 }
8560
8561 /**
8562  * Release an jump to table action resource.
8563  *
8564  * @param dev
8565  *   Pointer to Ethernet device.
8566  * @param handle
8567  *   Pointer to mlx5_flow_handle.
8568  *
8569  * @return
8570  *   1 while a reference on it exists, 0 when freed.
8571  */
8572 static int
8573 flow_dv_jump_tbl_resource_release(struct rte_eth_dev *dev,
8574                                   struct mlx5_flow_handle *handle)
8575 {
8576         struct mlx5_priv *priv = dev->data->dev_private;
8577         struct mlx5_flow_dv_jump_tbl_resource *cache_resource;
8578         struct mlx5_flow_tbl_data_entry *tbl_data;
8579
8580         tbl_data = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_JUMP],
8581                              handle->rix_jump);
8582         if (!tbl_data)
8583                 return 0;
8584         cache_resource = &tbl_data->jump;
8585         MLX5_ASSERT(cache_resource->action);
8586         DRV_LOG(DEBUG, "jump table resource %p: refcnt %d--",
8587                 (void *)cache_resource,
8588                 rte_atomic32_read(&cache_resource->refcnt));
8589         if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8590                 claim_zero(mlx5_glue->destroy_flow_action
8591                                 (cache_resource->action));
8592                 /* jump action memory free is inside the table release. */
8593                 flow_dv_tbl_resource_release(dev, &tbl_data->tbl);
8594                 DRV_LOG(DEBUG, "jump table resource %p: removed",
8595                         (void *)cache_resource);
8596                 return 0;
8597         }
8598         return 1;
8599 }
8600
8601 /**
8602  * Release a modify-header resource.
8603  *
8604  * @param handle
8605  *   Pointer to mlx5_flow_handle.
8606  *
8607  * @return
8608  *   1 while a reference on it exists, 0 when freed.
8609  */
8610 static int
8611 flow_dv_modify_hdr_resource_release(struct mlx5_flow_handle *handle)
8612 {
8613         struct mlx5_flow_dv_modify_hdr_resource *cache_resource =
8614                                                         handle->dvh.modify_hdr;
8615
8616         MLX5_ASSERT(cache_resource->verbs_action);
8617         DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d--",
8618                 (void *)cache_resource,
8619                 rte_atomic32_read(&cache_resource->refcnt));
8620         if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8621                 claim_zero(mlx5_glue->destroy_flow_action
8622                                 (cache_resource->verbs_action));
8623                 LIST_REMOVE(cache_resource, next);
8624                 rte_free(cache_resource);
8625                 DRV_LOG(DEBUG, "modify-header resource %p: removed",
8626                         (void *)cache_resource);
8627                 return 0;
8628         }
8629         return 1;
8630 }
8631
8632 /**
8633  * Release port ID action resource.
8634  *
8635  * @param dev
8636  *   Pointer to Ethernet device.
8637  * @param handle
8638  *   Pointer to mlx5_flow_handle.
8639  *
8640  * @return
8641  *   1 while a reference on it exists, 0 when freed.
8642  */
8643 static int
8644 flow_dv_port_id_action_resource_release(struct rte_eth_dev *dev,
8645                                         struct mlx5_flow_handle *handle)
8646 {
8647         struct mlx5_priv *priv = dev->data->dev_private;
8648         struct mlx5_flow_dv_port_id_action_resource *cache_resource;
8649         uint32_t idx = handle->rix_port_id_action;
8650
8651         cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
8652                                         idx);
8653         if (!cache_resource)
8654                 return 0;
8655         MLX5_ASSERT(cache_resource->action);
8656         DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
8657                 (void *)cache_resource,
8658                 rte_atomic32_read(&cache_resource->refcnt));
8659         if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8660                 claim_zero(mlx5_glue->destroy_flow_action
8661                                 (cache_resource->action));
8662                 ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
8663                              &priv->sh->port_id_action_list, idx,
8664                              cache_resource, next);
8665                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_PORT_ID], idx);
8666                 DRV_LOG(DEBUG, "port id action resource %p: removed",
8667                         (void *)cache_resource);
8668                 return 0;
8669         }
8670         return 1;
8671 }
8672
8673 /**
8674  * Release push vlan action resource.
8675  *
8676  * @param dev
8677  *   Pointer to Ethernet device.
8678  * @param handle
8679  *   Pointer to mlx5_flow_handle.
8680  *
8681  * @return
8682  *   1 while a reference on it exists, 0 when freed.
8683  */
8684 static int
8685 flow_dv_push_vlan_action_resource_release(struct rte_eth_dev *dev,
8686                                           struct mlx5_flow_handle *handle)
8687 {
8688         struct mlx5_priv *priv = dev->data->dev_private;
8689         uint32_t idx = handle->dvh.rix_push_vlan;
8690         struct mlx5_flow_dv_push_vlan_action_resource *cache_resource;
8691
8692         cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN],
8693                                         idx);
8694         if (!cache_resource)
8695                 return 0;
8696         MLX5_ASSERT(cache_resource->action);
8697         DRV_LOG(DEBUG, "push VLAN action resource %p: refcnt %d--",
8698                 (void *)cache_resource,
8699                 rte_atomic32_read(&cache_resource->refcnt));
8700         if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
8701                 claim_zero(mlx5_glue->destroy_flow_action
8702                                 (cache_resource->action));
8703                 ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN],
8704                              &priv->sh->push_vlan_action_list, idx,
8705                              cache_resource, next);
8706                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN], idx);
8707                 DRV_LOG(DEBUG, "push vlan action resource %p: removed",
8708                         (void *)cache_resource);
8709                 return 0;
8710         }
8711         return 1;
8712 }
8713
8714 /**
8715  * Release the fate resource.
8716  *
8717  * @param dev
8718  *   Pointer to Ethernet device.
8719  * @param handle
8720  *   Pointer to mlx5_flow_handle.
8721  */
8722 static void
8723 flow_dv_fate_resource_release(struct rte_eth_dev *dev,
8724                                struct mlx5_flow_handle *handle)
8725 {
8726         if (!handle->rix_fate)
8727                 return;
8728         if (handle->fate_action == MLX5_FLOW_FATE_DROP)
8729                 mlx5_hrxq_drop_release(dev);
8730         else if (handle->fate_action == MLX5_FLOW_FATE_QUEUE)
8731                 mlx5_hrxq_release(dev, handle->rix_hrxq);
8732         else if (handle->fate_action == MLX5_FLOW_FATE_JUMP)
8733                 flow_dv_jump_tbl_resource_release(dev, handle);
8734         else if (handle->fate_action == MLX5_FLOW_FATE_PORT_ID)
8735                 flow_dv_port_id_action_resource_release(dev, handle);
8736         else
8737                 DRV_LOG(DEBUG, "Incorrect fate action:%d", handle->fate_action);
8738         handle->rix_fate = 0;
8739 }
8740
8741 /**
8742  * Remove the flow from the NIC but keeps it in memory.
8743  * Lock free, (mutex should be acquired by caller).
8744  *
8745  * @param[in] dev
8746  *   Pointer to Ethernet device.
8747  * @param[in, out] flow
8748  *   Pointer to flow structure.
8749  */
8750 static void
8751 __flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
8752 {
8753         struct mlx5_flow_handle *dh;
8754         uint32_t handle_idx;
8755         struct mlx5_priv *priv = dev->data->dev_private;
8756
8757         if (!flow)
8758                 return;
8759         handle_idx = flow->dev_handles;
8760         while (handle_idx) {
8761                 dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
8762                                     handle_idx);
8763                 if (!dh)
8764                         return;
8765                 if (dh->ib_flow) {
8766                         claim_zero(mlx5_glue->dv_destroy_flow(dh->ib_flow));
8767                         dh->ib_flow = NULL;
8768                 }
8769                 if (dh->fate_action == MLX5_FLOW_FATE_DROP ||
8770                     dh->fate_action == MLX5_FLOW_FATE_QUEUE)
8771                         flow_dv_fate_resource_release(dev, dh);
8772                 if (dh->vf_vlan.tag && dh->vf_vlan.created)
8773                         mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);
8774                 handle_idx = dh->next.next;
8775         }
8776 }
8777
8778 /**
8779  * Remove the flow from the NIC and the memory.
8780  * Lock free, (mutex should be acquired by caller).
8781  *
8782  * @param[in] dev
8783  *   Pointer to the Ethernet device structure.
8784  * @param[in, out] flow
8785  *   Pointer to flow structure.
8786  */
8787 static void
8788 __flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
8789 {
8790         struct mlx5_flow_handle *dev_handle;
8791         struct mlx5_priv *priv = dev->data->dev_private;
8792
8793         if (!flow)
8794                 return;
8795         __flow_dv_remove(dev, flow);
8796         if (flow->counter) {
8797                 flow_dv_counter_release(dev, flow->counter);
8798                 flow->counter = 0;
8799         }
8800         if (flow->meter) {
8801                 struct mlx5_flow_meter *fm;
8802
8803                 fm = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MTR],
8804                                     flow->meter);
8805                 if (fm)
8806                         mlx5_flow_meter_detach(fm);
8807                 flow->meter = 0;
8808         }
8809         while (flow->dev_handles) {
8810                 uint32_t tmp_idx = flow->dev_handles;
8811
8812                 dev_handle = mlx5_ipool_get(priv->sh->ipool
8813                                             [MLX5_IPOOL_MLX5_FLOW], tmp_idx);
8814                 if (!dev_handle)
8815                         return;
8816                 flow->dev_handles = dev_handle->next.next;
8817                 if (dev_handle->dvh.matcher)
8818                         flow_dv_matcher_release(dev, dev_handle);
8819                 if (dev_handle->dvh.rix_encap_decap)
8820                         flow_dv_encap_decap_resource_release(dev, dev_handle);
8821                 if (dev_handle->dvh.modify_hdr)
8822                         flow_dv_modify_hdr_resource_release(dev_handle);
8823                 if (dev_handle->dvh.rix_push_vlan)
8824                         flow_dv_push_vlan_action_resource_release(dev,
8825                                                                   dev_handle);
8826                 if (dev_handle->dvh.rix_tag)
8827                         flow_dv_tag_release(dev,
8828                                             dev_handle->dvh.rix_tag);
8829                 flow_dv_fate_resource_release(dev, dev_handle);
8830                 mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
8831                            tmp_idx);
8832         }
8833 }
8834
8835 /**
8836  * Query a dv flow  rule for its statistics via devx.
8837  *
8838  * @param[in] dev
8839  *   Pointer to Ethernet device.
8840  * @param[in] flow
8841  *   Pointer to the sub flow.
8842  * @param[out] data
8843  *   data retrieved by the query.
8844  * @param[out] error
8845  *   Perform verbose error reporting if not NULL.
8846  *
8847  * @return
8848  *   0 on success, a negative errno value otherwise and rte_errno is set.
8849  */
8850 static int
8851 flow_dv_query_count(struct rte_eth_dev *dev, struct rte_flow *flow,
8852                     void *data, struct rte_flow_error *error)
8853 {
8854         struct mlx5_priv *priv = dev->data->dev_private;
8855         struct rte_flow_query_count *qc = data;
8856
8857         if (!priv->config.devx)
8858                 return rte_flow_error_set(error, ENOTSUP,
8859                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8860                                           NULL,
8861                                           "counters are not supported");
8862         if (flow->counter) {
8863                 uint64_t pkts, bytes;
8864                 struct mlx5_flow_counter *cnt;
8865
8866                 cnt = flow_dv_counter_get_by_idx(dev, flow->counter,
8867                                                  NULL);
8868                 int err = _flow_dv_query_count(dev, flow->counter, &pkts,
8869                                                &bytes);
8870
8871                 if (err)
8872                         return rte_flow_error_set(error, -err,
8873                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8874                                         NULL, "cannot read counters");
8875                 qc->hits_set = 1;
8876                 qc->bytes_set = 1;
8877                 qc->hits = pkts - cnt->hits;
8878                 qc->bytes = bytes - cnt->bytes;
8879                 if (qc->reset) {
8880                         cnt->hits = pkts;
8881                         cnt->bytes = bytes;
8882                 }
8883                 return 0;
8884         }
8885         return rte_flow_error_set(error, EINVAL,
8886                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
8887                                   NULL,
8888                                   "counters are not available");
8889 }
8890
8891 /**
8892  * Query a flow.
8893  *
8894  * @see rte_flow_query()
8895  * @see rte_flow_ops
8896  */
8897 static int
8898 flow_dv_query(struct rte_eth_dev *dev,
8899               struct rte_flow *flow __rte_unused,
8900               const struct rte_flow_action *actions __rte_unused,
8901               void *data __rte_unused,
8902               struct rte_flow_error *error __rte_unused)
8903 {
8904         int ret = -EINVAL;
8905
8906         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
8907                 switch (actions->type) {
8908                 case RTE_FLOW_ACTION_TYPE_VOID:
8909                         break;
8910                 case RTE_FLOW_ACTION_TYPE_COUNT:
8911                         ret = flow_dv_query_count(dev, flow, data, error);
8912                         break;
8913                 default:
8914                         return rte_flow_error_set(error, ENOTSUP,
8915                                                   RTE_FLOW_ERROR_TYPE_ACTION,
8916                                                   actions,
8917                                                   "action not supported");
8918                 }
8919         }
8920         return ret;
8921 }
8922
8923 /**
8924  * Destroy the meter table set.
8925  * Lock free, (mutex should be acquired by caller).
8926  *
8927  * @param[in] dev
8928  *   Pointer to Ethernet device.
8929  * @param[in] tbl
8930  *   Pointer to the meter table set.
8931  *
8932  * @return
8933  *   Always 0.
8934  */
8935 static int
8936 flow_dv_destroy_mtr_tbl(struct rte_eth_dev *dev,
8937                         struct mlx5_meter_domains_infos *tbl)
8938 {
8939         struct mlx5_priv *priv = dev->data->dev_private;
8940         struct mlx5_meter_domains_infos *mtd =
8941                                 (struct mlx5_meter_domains_infos *)tbl;
8942
8943         if (!mtd || !priv->config.dv_flow_en)
8944                 return 0;
8945         if (mtd->ingress.policer_rules[RTE_MTR_DROPPED])
8946                 claim_zero(mlx5_glue->dv_destroy_flow
8947                           (mtd->ingress.policer_rules[RTE_MTR_DROPPED]));
8948         if (mtd->egress.policer_rules[RTE_MTR_DROPPED])
8949                 claim_zero(mlx5_glue->dv_destroy_flow
8950                           (mtd->egress.policer_rules[RTE_MTR_DROPPED]));
8951         if (mtd->transfer.policer_rules[RTE_MTR_DROPPED])
8952                 claim_zero(mlx5_glue->dv_destroy_flow
8953                           (mtd->transfer.policer_rules[RTE_MTR_DROPPED]));
8954         if (mtd->egress.color_matcher)
8955                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8956                           (mtd->egress.color_matcher));
8957         if (mtd->egress.any_matcher)
8958                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8959                           (mtd->egress.any_matcher));
8960         if (mtd->egress.tbl)
8961                 flow_dv_tbl_resource_release(dev, mtd->egress.tbl);
8962         if (mtd->egress.sfx_tbl)
8963                 flow_dv_tbl_resource_release(dev, mtd->egress.sfx_tbl);
8964         if (mtd->ingress.color_matcher)
8965                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8966                           (mtd->ingress.color_matcher));
8967         if (mtd->ingress.any_matcher)
8968                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8969                           (mtd->ingress.any_matcher));
8970         if (mtd->ingress.tbl)
8971                 flow_dv_tbl_resource_release(dev, mtd->ingress.tbl);
8972         if (mtd->ingress.sfx_tbl)
8973                 flow_dv_tbl_resource_release(dev, mtd->ingress.sfx_tbl);
8974         if (mtd->transfer.color_matcher)
8975                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8976                           (mtd->transfer.color_matcher));
8977         if (mtd->transfer.any_matcher)
8978                 claim_zero(mlx5_glue->dv_destroy_flow_matcher
8979                           (mtd->transfer.any_matcher));
8980         if (mtd->transfer.tbl)
8981                 flow_dv_tbl_resource_release(dev, mtd->transfer.tbl);
8982         if (mtd->transfer.sfx_tbl)
8983                 flow_dv_tbl_resource_release(dev, mtd->transfer.sfx_tbl);
8984         if (mtd->drop_actn)
8985                 claim_zero(mlx5_glue->destroy_flow_action(mtd->drop_actn));
8986         rte_free(mtd);
8987         return 0;
8988 }
8989
8990 /* Number of meter flow actions, count and jump or count and drop. */
8991 #define METER_ACTIONS 2
8992
8993 /**
8994  * Create specify domain meter table and suffix table.
8995  *
8996  * @param[in] dev
8997  *   Pointer to Ethernet device.
8998  * @param[in,out] mtb
8999  *   Pointer to DV meter table set.
9000  * @param[in] egress
9001  *   Table attribute.
9002  * @param[in] transfer
9003  *   Table attribute.
9004  * @param[in] color_reg_c_idx
9005  *   Reg C index for color match.
9006  *
9007  * @return
9008  *   0 on success, -1 otherwise and rte_errno is set.
9009  */
9010 static int
9011 flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
9012                            struct mlx5_meter_domains_infos *mtb,
9013                            uint8_t egress, uint8_t transfer,
9014                            uint32_t color_reg_c_idx)
9015 {
9016         struct mlx5_priv *priv = dev->data->dev_private;
9017         struct mlx5_ibv_shared *sh = priv->sh;
9018         struct mlx5_flow_dv_match_params mask = {
9019                 .size = sizeof(mask.buf),
9020         };
9021         struct mlx5_flow_dv_match_params value = {
9022                 .size = sizeof(value.buf),
9023         };
9024         struct mlx5dv_flow_matcher_attr dv_attr = {
9025                 .type = IBV_FLOW_ATTR_NORMAL,
9026                 .priority = 0,
9027                 .match_criteria_enable = 0,
9028                 .match_mask = (void *)&mask,
9029         };
9030         void *actions[METER_ACTIONS];
9031         struct mlx5_meter_domain_info *dtb;
9032         struct rte_flow_error error;
9033         int i = 0;
9034
9035         if (transfer)
9036                 dtb = &mtb->transfer;
9037         else if (egress)
9038                 dtb = &mtb->egress;
9039         else
9040                 dtb = &mtb->ingress;
9041         /* Create the meter table with METER level. */
9042         dtb->tbl = flow_dv_tbl_resource_get(dev, MLX5_FLOW_TABLE_LEVEL_METER,
9043                                             egress, transfer, &error);
9044         if (!dtb->tbl) {
9045                 DRV_LOG(ERR, "Failed to create meter policer table.");
9046                 return -1;
9047         }
9048         /* Create the meter suffix table with SUFFIX level. */
9049         dtb->sfx_tbl = flow_dv_tbl_resource_get(dev,
9050                                             MLX5_FLOW_TABLE_LEVEL_SUFFIX,
9051                                             egress, transfer, &error);
9052         if (!dtb->sfx_tbl) {
9053                 DRV_LOG(ERR, "Failed to create meter suffix table.");
9054                 return -1;
9055         }
9056         /* Create matchers, Any and Color. */
9057         dv_attr.priority = 3;
9058         dv_attr.match_criteria_enable = 0;
9059         dtb->any_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
9060                                                              &dv_attr,
9061                                                              dtb->tbl->obj);
9062         if (!dtb->any_matcher) {
9063                 DRV_LOG(ERR, "Failed to create meter"
9064                              " policer default matcher.");
9065                 goto error_exit;
9066         }
9067         dv_attr.priority = 0;
9068         dv_attr.match_criteria_enable =
9069                                 1 << MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
9070         flow_dv_match_meta_reg(mask.buf, value.buf, color_reg_c_idx,
9071                                rte_col_2_mlx5_col(RTE_COLORS), UINT8_MAX);
9072         dtb->color_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
9073                                                                &dv_attr,
9074                                                                dtb->tbl->obj);
9075         if (!dtb->color_matcher) {
9076                 DRV_LOG(ERR, "Failed to create meter policer color matcher.");
9077                 goto error_exit;
9078         }
9079         if (mtb->count_actns[RTE_MTR_DROPPED])
9080                 actions[i++] = mtb->count_actns[RTE_MTR_DROPPED];
9081         actions[i++] = mtb->drop_actn;
9082         /* Default rule: lowest priority, match any, actions: drop. */
9083         dtb->policer_rules[RTE_MTR_DROPPED] =
9084                         mlx5_glue->dv_create_flow(dtb->any_matcher,
9085                                                  (void *)&value, i, actions);
9086         if (!dtb->policer_rules[RTE_MTR_DROPPED]) {
9087                 DRV_LOG(ERR, "Failed to create meter policer drop rule.");
9088                 goto error_exit;
9089         }
9090         return 0;
9091 error_exit:
9092         return -1;
9093 }
9094
9095 /**
9096  * Create the needed meter and suffix tables.
9097  * Lock free, (mutex should be acquired by caller).
9098  *
9099  * @param[in] dev
9100  *   Pointer to Ethernet device.
9101  * @param[in] fm
9102  *   Pointer to the flow meter.
9103  *
9104  * @return
9105  *   Pointer to table set on success, NULL otherwise and rte_errno is set.
9106  */
9107 static struct mlx5_meter_domains_infos *
9108 flow_dv_create_mtr_tbl(struct rte_eth_dev *dev,
9109                        const struct mlx5_flow_meter *fm)
9110 {
9111         struct mlx5_priv *priv = dev->data->dev_private;
9112         struct mlx5_meter_domains_infos *mtb;
9113         int ret;
9114         int i;
9115
9116         if (!priv->mtr_en) {
9117                 rte_errno = ENOTSUP;
9118                 return NULL;
9119         }
9120         mtb = rte_calloc(__func__, 1, sizeof(*mtb), 0);
9121         if (!mtb) {
9122                 DRV_LOG(ERR, "Failed to allocate memory for meter.");
9123                 return NULL;
9124         }
9125         /* Create meter count actions */
9126         for (i = 0; i <= RTE_MTR_DROPPED; i++) {
9127                 struct mlx5_flow_counter *cnt;
9128                 if (!fm->policer_stats.cnt[i])
9129                         continue;
9130                 cnt = flow_dv_counter_get_by_idx(dev,
9131                       fm->policer_stats.cnt[i], NULL);
9132                 mtb->count_actns[i] = cnt->action;
9133         }
9134         /* Create drop action. */
9135         mtb->drop_actn = mlx5_glue->dr_create_flow_action_drop();
9136         if (!mtb->drop_actn) {
9137                 DRV_LOG(ERR, "Failed to create drop action.");
9138                 goto error_exit;
9139         }
9140         /* Egress meter table. */
9141         ret = flow_dv_prepare_mtr_tables(dev, mtb, 1, 0, priv->mtr_color_reg);
9142         if (ret) {
9143                 DRV_LOG(ERR, "Failed to prepare egress meter table.");
9144                 goto error_exit;
9145         }
9146         /* Ingress meter table. */
9147         ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 0, priv->mtr_color_reg);
9148         if (ret) {
9149                 DRV_LOG(ERR, "Failed to prepare ingress meter table.");
9150                 goto error_exit;
9151         }
9152         /* FDB meter table. */
9153         if (priv->config.dv_esw_en) {
9154                 ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 1,
9155                                                  priv->mtr_color_reg);
9156                 if (ret) {
9157                         DRV_LOG(ERR, "Failed to prepare fdb meter table.");
9158                         goto error_exit;
9159                 }
9160         }
9161         return mtb;
9162 error_exit:
9163         flow_dv_destroy_mtr_tbl(dev, mtb);
9164         return NULL;
9165 }
9166
9167 /**
9168  * Destroy domain policer rule.
9169  *
9170  * @param[in] dt
9171  *   Pointer to domain table.
9172  */
9173 static void
9174 flow_dv_destroy_domain_policer_rule(struct mlx5_meter_domain_info *dt)
9175 {
9176         int i;
9177
9178         for (i = 0; i < RTE_MTR_DROPPED; i++) {
9179                 if (dt->policer_rules[i]) {
9180                         claim_zero(mlx5_glue->dv_destroy_flow
9181                                   (dt->policer_rules[i]));
9182                         dt->policer_rules[i] = NULL;
9183                 }
9184         }
9185         if (dt->jump_actn) {
9186                 claim_zero(mlx5_glue->destroy_flow_action(dt->jump_actn));
9187                 dt->jump_actn = NULL;
9188         }
9189 }
9190
9191 /**
9192  * Destroy policer rules.
9193  *
9194  * @param[in] dev
9195  *   Pointer to Ethernet device.
9196  * @param[in] fm
9197  *   Pointer to flow meter structure.
9198  * @param[in] attr
9199  *   Pointer to flow attributes.
9200  *
9201  * @return
9202  *   Always 0.
9203  */
9204 static int
9205 flow_dv_destroy_policer_rules(struct rte_eth_dev *dev __rte_unused,
9206                               const struct mlx5_flow_meter *fm,
9207                               const struct rte_flow_attr *attr)
9208 {
9209         struct mlx5_meter_domains_infos *mtb = fm ? fm->mfts : NULL;
9210
9211         if (!mtb)
9212                 return 0;
9213         if (attr->egress)
9214                 flow_dv_destroy_domain_policer_rule(&mtb->egress);
9215         if (attr->ingress)
9216                 flow_dv_destroy_domain_policer_rule(&mtb->ingress);
9217         if (attr->transfer)
9218                 flow_dv_destroy_domain_policer_rule(&mtb->transfer);
9219         return 0;
9220 }
9221
9222 /**
9223  * Create specify domain meter policer rule.
9224  *
9225  * @param[in] fm
9226  *   Pointer to flow meter structure.
9227  * @param[in] mtb
9228  *   Pointer to DV meter table set.
9229  * @param[in] mtr_reg_c
9230  *   Color match REG_C.
9231  *
9232  * @return
9233  *   0 on success, -1 otherwise.
9234  */
9235 static int
9236 flow_dv_create_policer_forward_rule(struct mlx5_flow_meter *fm,
9237                                     struct mlx5_meter_domain_info *dtb,
9238                                     uint8_t mtr_reg_c)
9239 {
9240         struct mlx5_flow_dv_match_params matcher = {
9241                 .size = sizeof(matcher.buf),
9242         };
9243         struct mlx5_flow_dv_match_params value = {
9244                 .size = sizeof(value.buf),
9245         };
9246         struct mlx5_meter_domains_infos *mtb = fm->mfts;
9247         void *actions[METER_ACTIONS];
9248         int i;
9249
9250         /* Create jump action. */
9251         if (!dtb->jump_actn)
9252                 dtb->jump_actn =
9253                         mlx5_glue->dr_create_flow_action_dest_flow_tbl
9254                                                         (dtb->sfx_tbl->obj);
9255         if (!dtb->jump_actn) {
9256                 DRV_LOG(ERR, "Failed to create policer jump action.");
9257                 goto error;
9258         }
9259         for (i = 0; i < RTE_MTR_DROPPED; i++) {
9260                 int j = 0;
9261
9262                 flow_dv_match_meta_reg(matcher.buf, value.buf, mtr_reg_c,
9263                                        rte_col_2_mlx5_col(i), UINT8_MAX);
9264                 if (mtb->count_actns[i])
9265                         actions[j++] = mtb->count_actns[i];
9266                 if (fm->action[i] == MTR_POLICER_ACTION_DROP)
9267                         actions[j++] = mtb->drop_actn;
9268                 else
9269                         actions[j++] = dtb->jump_actn;
9270                 dtb->policer_rules[i] =
9271                         mlx5_glue->dv_create_flow(dtb->color_matcher,
9272                                                  (void *)&value,
9273                                                   j, actions);
9274                 if (!dtb->policer_rules[i]) {
9275                         DRV_LOG(ERR, "Failed to create policer rule.");
9276                         goto error;
9277                 }
9278         }
9279         return 0;
9280 error:
9281         rte_errno = errno;
9282         return -1;
9283 }
9284
9285 /**
9286  * Create policer rules.
9287  *
9288  * @param[in] dev
9289  *   Pointer to Ethernet device.
9290  * @param[in] fm
9291  *   Pointer to flow meter structure.
9292  * @param[in] attr
9293  *   Pointer to flow attributes.
9294  *
9295  * @return
9296  *   0 on success, -1 otherwise.
9297  */
9298 static int
9299 flow_dv_create_policer_rules(struct rte_eth_dev *dev,
9300                              struct mlx5_flow_meter *fm,
9301                              const struct rte_flow_attr *attr)
9302 {
9303         struct mlx5_priv *priv = dev->data->dev_private;
9304         struct mlx5_meter_domains_infos *mtb = fm->mfts;
9305         int ret;
9306
9307         if (attr->egress) {
9308                 ret = flow_dv_create_policer_forward_rule(fm, &mtb->egress,
9309                                                 priv->mtr_color_reg);
9310                 if (ret) {
9311                         DRV_LOG(ERR, "Failed to create egress policer.");
9312                         goto error;
9313                 }
9314         }
9315         if (attr->ingress) {
9316                 ret = flow_dv_create_policer_forward_rule(fm, &mtb->ingress,
9317                                                 priv->mtr_color_reg);
9318                 if (ret) {
9319                         DRV_LOG(ERR, "Failed to create ingress policer.");
9320                         goto error;
9321                 }
9322         }
9323         if (attr->transfer) {
9324                 ret = flow_dv_create_policer_forward_rule(fm, &mtb->transfer,
9325                                                 priv->mtr_color_reg);
9326                 if (ret) {
9327                         DRV_LOG(ERR, "Failed to create transfer policer.");
9328                         goto error;
9329                 }
9330         }
9331         return 0;
9332 error:
9333         flow_dv_destroy_policer_rules(dev, fm, attr);
9334         return -1;
9335 }
9336
9337 /**
9338  * Query a devx counter.
9339  *
9340  * @param[in] dev
9341  *   Pointer to the Ethernet device structure.
9342  * @param[in] cnt
9343  *   Index to the flow counter.
9344  * @param[in] clear
9345  *   Set to clear the counter statistics.
9346  * @param[out] pkts
9347  *   The statistics value of packets.
9348  * @param[out] bytes
9349  *   The statistics value of bytes.
9350  *
9351  * @return
9352  *   0 on success, otherwise return -1.
9353  */
9354 static int
9355 flow_dv_counter_query(struct rte_eth_dev *dev, uint32_t counter, bool clear,
9356                       uint64_t *pkts, uint64_t *bytes)
9357 {
9358         struct mlx5_priv *priv = dev->data->dev_private;
9359         struct mlx5_flow_counter *cnt;
9360         uint64_t inn_pkts, inn_bytes;
9361         int ret;
9362
9363         if (!priv->config.devx)
9364                 return -1;
9365
9366         ret = _flow_dv_query_count(dev, counter, &inn_pkts, &inn_bytes);
9367         if (ret)
9368                 return -1;
9369         cnt = flow_dv_counter_get_by_idx(dev, counter, NULL);
9370         *pkts = inn_pkts - cnt->hits;
9371         *bytes = inn_bytes - cnt->bytes;
9372         if (clear) {
9373                 cnt->hits = inn_pkts;
9374                 cnt->bytes = inn_bytes;
9375         }
9376         return 0;
9377 }
9378
9379 /**
9380  * Get aged-out flows.
9381  *
9382  * @param[in] dev
9383  *   Pointer to the Ethernet device structure.
9384  * @param[in] context
9385  *   The address of an array of pointers to the aged-out flows contexts.
9386  * @param[in] nb_contexts
9387  *   The length of context array pointers.
9388  * @param[out] error
9389  *   Perform verbose error reporting if not NULL. Initialized in case of
9390  *   error only.
9391  *
9392  * @return
9393  *   how many contexts get in success, otherwise negative errno value.
9394  *   if nb_contexts is 0, return the amount of all aged contexts.
9395  *   if nb_contexts is not 0 , return the amount of aged flows reported
9396  *   in the context array.
9397  * @note: only stub for now
9398  */
9399 static int
9400 flow_get_aged_flows(struct rte_eth_dev *dev,
9401                     void **context,
9402                     uint32_t nb_contexts,
9403                     struct rte_flow_error *error)
9404 {
9405         struct mlx5_priv *priv = dev->data->dev_private;
9406         struct mlx5_age_info *age_info;
9407         struct mlx5_age_param *age_param;
9408         struct mlx5_flow_counter *counter;
9409         int nb_flows = 0;
9410
9411         if (nb_contexts && !context)
9412                 return rte_flow_error_set(error, EINVAL,
9413                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
9414                                           NULL,
9415                                           "Should assign at least one flow or"
9416                                           " context to get if nb_contexts != 0");
9417         age_info = GET_PORT_AGE_INFO(priv);
9418         rte_spinlock_lock(&age_info->aged_sl);
9419         TAILQ_FOREACH(counter, &age_info->aged_counters, next) {
9420                 nb_flows++;
9421                 if (nb_contexts) {
9422                         age_param = MLX5_CNT_TO_AGE(counter);
9423                         context[nb_flows - 1] = age_param->context;
9424                         if (!(--nb_contexts))
9425                                 break;
9426                 }
9427         }
9428         rte_spinlock_unlock(&age_info->aged_sl);
9429         MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
9430         return nb_flows;
9431 }
9432
9433 /*
9434  * Mutex-protected thunk to lock-free  __flow_dv_translate().
9435  */
9436 static int
9437 flow_dv_translate(struct rte_eth_dev *dev,
9438                   struct mlx5_flow *dev_flow,
9439                   const struct rte_flow_attr *attr,
9440                   const struct rte_flow_item items[],
9441                   const struct rte_flow_action actions[],
9442                   struct rte_flow_error *error)
9443 {
9444         int ret;
9445
9446         flow_dv_shared_lock(dev);
9447         ret = __flow_dv_translate(dev, dev_flow, attr, items, actions, error);
9448         flow_dv_shared_unlock(dev);
9449         return ret;
9450 }
9451
9452 /*
9453  * Mutex-protected thunk to lock-free  __flow_dv_apply().
9454  */
9455 static int
9456 flow_dv_apply(struct rte_eth_dev *dev,
9457               struct rte_flow *flow,
9458               struct rte_flow_error *error)
9459 {
9460         int ret;
9461
9462         flow_dv_shared_lock(dev);
9463         ret = __flow_dv_apply(dev, flow, error);
9464         flow_dv_shared_unlock(dev);
9465         return ret;
9466 }
9467
9468 /*
9469  * Mutex-protected thunk to lock-free __flow_dv_remove().
9470  */
9471 static void
9472 flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
9473 {
9474         flow_dv_shared_lock(dev);
9475         __flow_dv_remove(dev, flow);
9476         flow_dv_shared_unlock(dev);
9477 }
9478
9479 /*
9480  * Mutex-protected thunk to lock-free __flow_dv_destroy().
9481  */
9482 static void
9483 flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
9484 {
9485         flow_dv_shared_lock(dev);
9486         __flow_dv_destroy(dev, flow);
9487         flow_dv_shared_unlock(dev);
9488 }
9489
9490 /*
9491  * Mutex-protected thunk to lock-free flow_dv_counter_alloc().
9492  */
9493 static uint32_t
9494 flow_dv_counter_allocate(struct rte_eth_dev *dev)
9495 {
9496         uint32_t cnt;
9497
9498         flow_dv_shared_lock(dev);
9499         cnt = flow_dv_counter_alloc(dev, 0, 0, 1, 0);
9500         flow_dv_shared_unlock(dev);
9501         return cnt;
9502 }
9503
9504 /*
9505  * Mutex-protected thunk to lock-free flow_dv_counter_release().
9506  */
9507 static void
9508 flow_dv_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
9509 {
9510         flow_dv_shared_lock(dev);
9511         flow_dv_counter_release(dev, cnt);
9512         flow_dv_shared_unlock(dev);
9513 }
9514
9515 const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
9516         .validate = flow_dv_validate,
9517         .prepare = flow_dv_prepare,
9518         .translate = flow_dv_translate,
9519         .apply = flow_dv_apply,
9520         .remove = flow_dv_remove,
9521         .destroy = flow_dv_destroy,
9522         .query = flow_dv_query,
9523         .create_mtr_tbls = flow_dv_create_mtr_tbl,
9524         .destroy_mtr_tbls = flow_dv_destroy_mtr_tbl,
9525         .create_policer_rules = flow_dv_create_policer_rules,
9526         .destroy_policer_rules = flow_dv_destroy_policer_rules,
9527         .counter_alloc = flow_dv_counter_allocate,
9528         .counter_free = flow_dv_counter_free,
9529         .counter_query = flow_dv_counter_query,
9530         .get_aged_flows = flow_get_aged_flows,
9531 };
9532
9533 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */