root/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c

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DEFINITIONS

This source file includes following definitions.
  1. mlx5_dr_is_fw_table
  2. mlx5_cmd_dr_update_root_ft
  3. set_miss_action
  4. mlx5_cmd_dr_create_flow_table
  5. mlx5_cmd_dr_destroy_flow_table
  6. mlx5_cmd_dr_modify_flow_table
  7. mlx5_cmd_dr_create_flow_group
  8. mlx5_cmd_dr_destroy_flow_group
  9. create_vport_action
  10. create_ft_action
  11. create_action_push_vlan
  12. mlx5_cmd_dr_create_fte
  13. mlx5_cmd_dr_packet_reformat_alloc
  14. mlx5_cmd_dr_packet_reformat_dealloc
  15. mlx5_cmd_dr_modify_header_alloc
  16. mlx5_cmd_dr_modify_header_dealloc
  17. mlx5_cmd_dr_update_fte
  18. mlx5_cmd_dr_delete_fte
  19. mlx5_cmd_dr_set_peer
  20. mlx5_cmd_dr_create_ns
  21. mlx5_cmd_dr_destroy_ns
  22. mlx5_fs_dr_is_supported
  23. mlx5_fs_cmd_get_dr_cmds

   1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
   2 /* Copyright (c) 2019 Mellanox Technologies */
   3 
   4 #include "mlx5_core.h"
   5 #include "fs_core.h"
   6 #include "fs_cmd.h"
   7 #include "mlx5dr.h"
   8 #include "fs_dr.h"
   9 
  10 static bool mlx5_dr_is_fw_table(u32 flags)
  11 {
  12         if (flags & MLX5_FLOW_TABLE_TERMINATION)
  13                 return true;
  14 
  15         return false;
  16 }
  17 
  18 static int mlx5_cmd_dr_update_root_ft(struct mlx5_flow_root_namespace *ns,
  19                                       struct mlx5_flow_table *ft,
  20                                       u32 underlay_qpn,
  21                                       bool disconnect)
  22 {
  23         return mlx5_fs_cmd_get_fw_cmds()->update_root_ft(ns, ft, underlay_qpn,
  24                                                          disconnect);
  25 }
  26 
  27 static int set_miss_action(struct mlx5_flow_root_namespace *ns,
  28                            struct mlx5_flow_table *ft,
  29                            struct mlx5_flow_table *next_ft)
  30 {
  31         struct mlx5dr_action *old_miss_action;
  32         struct mlx5dr_action *action = NULL;
  33         struct mlx5dr_table *next_tbl;
  34         int err;
  35 
  36         next_tbl = next_ft ? next_ft->fs_dr_table.dr_table : NULL;
  37         if (next_tbl) {
  38                 action = mlx5dr_action_create_dest_table(next_tbl);
  39                 if (!action)
  40                         return -EINVAL;
  41         }
  42         old_miss_action = ft->fs_dr_table.miss_action;
  43         err = mlx5dr_table_set_miss_action(ft->fs_dr_table.dr_table, action);
  44         if (err && action) {
  45                 err = mlx5dr_action_destroy(action);
  46                 if (err) {
  47                         action = NULL;
  48                         mlx5_core_err(ns->dev, "Failed to destroy action (%d)\n",
  49                                       err);
  50                 }
  51         }
  52         ft->fs_dr_table.miss_action = action;
  53         if (old_miss_action) {
  54                 err = mlx5dr_action_destroy(old_miss_action);
  55                 if (err)
  56                         mlx5_core_err(ns->dev, "Failed to destroy action (%d)\n",
  57                                       err);
  58         }
  59 
  60         return err;
  61 }
  62 
  63 static int mlx5_cmd_dr_create_flow_table(struct mlx5_flow_root_namespace *ns,
  64                                          struct mlx5_flow_table *ft,
  65                                          unsigned int log_size,
  66                                          struct mlx5_flow_table *next_ft)
  67 {
  68         struct mlx5dr_table *tbl;
  69         int err;
  70 
  71         if (mlx5_dr_is_fw_table(ft->flags))
  72                 return mlx5_fs_cmd_get_fw_cmds()->create_flow_table(ns, ft,
  73                                                                     log_size,
  74                                                                     next_ft);
  75 
  76         tbl = mlx5dr_table_create(ns->fs_dr_domain.dr_domain,
  77                                   ft->level);
  78         if (!tbl) {
  79                 mlx5_core_err(ns->dev, "Failed creating dr flow_table\n");
  80                 return -EINVAL;
  81         }
  82 
  83         ft->fs_dr_table.dr_table = tbl;
  84         ft->id = mlx5dr_table_get_id(tbl);
  85 
  86         if (next_ft) {
  87                 err = set_miss_action(ns, ft, next_ft);
  88                 if (err) {
  89                         mlx5dr_table_destroy(tbl);
  90                         ft->fs_dr_table.dr_table = NULL;
  91                         return err;
  92                 }
  93         }
  94 
  95         return 0;
  96 }
  97 
  98 static int mlx5_cmd_dr_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
  99                                           struct mlx5_flow_table *ft)
 100 {
 101         struct mlx5dr_action *action = ft->fs_dr_table.miss_action;
 102         int err;
 103 
 104         if (mlx5_dr_is_fw_table(ft->flags))
 105                 return mlx5_fs_cmd_get_fw_cmds()->destroy_flow_table(ns, ft);
 106 
 107         err = mlx5dr_table_destroy(ft->fs_dr_table.dr_table);
 108         if (err) {
 109                 mlx5_core_err(ns->dev, "Failed to destroy flow_table (%d)\n",
 110                               err);
 111                 return err;
 112         }
 113         if (action) {
 114                 err = mlx5dr_action_destroy(action);
 115                 if (err) {
 116                         mlx5_core_err(ns->dev, "Failed to destroy action(%d)\n",
 117                                       err);
 118                         return err;
 119                 }
 120         }
 121 
 122         return err;
 123 }
 124 
 125 static int mlx5_cmd_dr_modify_flow_table(struct mlx5_flow_root_namespace *ns,
 126                                          struct mlx5_flow_table *ft,
 127                                          struct mlx5_flow_table *next_ft)
 128 {
 129         return set_miss_action(ns, ft, next_ft);
 130 }
 131 
 132 static int mlx5_cmd_dr_create_flow_group(struct mlx5_flow_root_namespace *ns,
 133                                          struct mlx5_flow_table *ft,
 134                                          u32 *in,
 135                                          struct mlx5_flow_group *fg)
 136 {
 137         struct mlx5dr_matcher *matcher;
 138         u16 priority = MLX5_GET(create_flow_group_in, in,
 139                                 start_flow_index);
 140         u8 match_criteria_enable = MLX5_GET(create_flow_group_in,
 141                                             in,
 142                                             match_criteria_enable);
 143         struct mlx5dr_match_parameters mask;
 144 
 145         if (mlx5_dr_is_fw_table(ft->flags))
 146                 return mlx5_fs_cmd_get_fw_cmds()->create_flow_group(ns, ft, in,
 147                                                                     fg);
 148 
 149         mask.match_buf = MLX5_ADDR_OF(create_flow_group_in,
 150                                       in, match_criteria);
 151         mask.match_sz = sizeof(fg->mask.match_criteria);
 152 
 153         matcher = mlx5dr_matcher_create(ft->fs_dr_table.dr_table,
 154                                         priority,
 155                                         match_criteria_enable,
 156                                         &mask);
 157         if (!matcher) {
 158                 mlx5_core_err(ns->dev, "Failed creating matcher\n");
 159                 return -EINVAL;
 160         }
 161 
 162         fg->fs_dr_matcher.dr_matcher = matcher;
 163         return 0;
 164 }
 165 
 166 static int mlx5_cmd_dr_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
 167                                           struct mlx5_flow_table *ft,
 168                                           struct mlx5_flow_group *fg)
 169 {
 170         if (mlx5_dr_is_fw_table(ft->flags))
 171                 return mlx5_fs_cmd_get_fw_cmds()->destroy_flow_group(ns, ft, fg);
 172 
 173         return mlx5dr_matcher_destroy(fg->fs_dr_matcher.dr_matcher);
 174 }
 175 
 176 static struct mlx5dr_action *create_vport_action(struct mlx5dr_domain *domain,
 177                                                  struct mlx5_flow_rule *dst)
 178 {
 179         struct mlx5_flow_destination *dest_attr = &dst->dest_attr;
 180 
 181         return mlx5dr_action_create_dest_vport(domain, dest_attr->vport.num,
 182                                                dest_attr->vport.flags &
 183                                                MLX5_FLOW_DEST_VPORT_VHCA_ID,
 184                                                dest_attr->vport.vhca_id);
 185 }
 186 
 187 static struct mlx5dr_action *create_ft_action(struct mlx5_core_dev *dev,
 188                                               struct mlx5_flow_rule *dst)
 189 {
 190         struct mlx5_flow_table *dest_ft = dst->dest_attr.ft;
 191 
 192         if (mlx5_dr_is_fw_table(dest_ft->flags))
 193                 return mlx5dr_create_action_dest_flow_fw_table(dest_ft, dev);
 194         return mlx5dr_action_create_dest_table(dest_ft->fs_dr_table.dr_table);
 195 }
 196 
 197 static struct mlx5dr_action *create_action_push_vlan(struct mlx5dr_domain *domain,
 198                                                      struct mlx5_fs_vlan *vlan)
 199 {
 200         u16 n_ethtype = vlan->ethtype;
 201         u8  prio = vlan->prio;
 202         u16 vid = vlan->vid;
 203         u32 vlan_hdr;
 204 
 205         vlan_hdr = (u32)n_ethtype << 16 | (u32)(prio) << 12 |  (u32)vid;
 206         return mlx5dr_action_create_push_vlan(domain, htonl(vlan_hdr));
 207 }
 208 
 209 #define MLX5_FLOW_CONTEXT_ACTION_MAX  20
 210 static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
 211                                   struct mlx5_flow_table *ft,
 212                                   struct mlx5_flow_group *group,
 213                                   struct fs_fte *fte)
 214 {
 215         struct mlx5dr_domain *domain = ns->fs_dr_domain.dr_domain;
 216         struct mlx5dr_action *term_action = NULL;
 217         struct mlx5dr_match_parameters params;
 218         struct mlx5_core_dev *dev = ns->dev;
 219         struct mlx5dr_action **fs_dr_actions;
 220         struct mlx5dr_action *tmp_action;
 221         struct mlx5dr_action **actions;
 222         bool delay_encap_set = false;
 223         struct mlx5dr_rule *rule;
 224         struct mlx5_flow_rule *dst;
 225         int fs_dr_num_actions = 0;
 226         int num_actions = 0;
 227         size_t match_sz;
 228         int err = 0;
 229         int i;
 230 
 231         if (mlx5_dr_is_fw_table(ft->flags))
 232                 return mlx5_fs_cmd_get_fw_cmds()->create_fte(ns, ft, group, fte);
 233 
 234         actions = kcalloc(MLX5_FLOW_CONTEXT_ACTION_MAX, sizeof(*actions),
 235                           GFP_KERNEL);
 236         if (!actions)
 237                 return -ENOMEM;
 238 
 239         fs_dr_actions = kcalloc(MLX5_FLOW_CONTEXT_ACTION_MAX,
 240                                 sizeof(*fs_dr_actions), GFP_KERNEL);
 241         if (!fs_dr_actions) {
 242                 kfree(actions);
 243                 return -ENOMEM;
 244         }
 245 
 246         match_sz = sizeof(fte->val);
 247 
 248         /* The order of the actions are must to be keep, only the following
 249          * order is supported by SW steering:
 250          * TX: push vlan -> modify header -> encap
 251          * RX: decap -> pop vlan -> modify header
 252          */
 253         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) {
 254                 tmp_action = create_action_push_vlan(domain, &fte->action.vlan[0]);
 255                 if (!tmp_action) {
 256                         err = -ENOMEM;
 257                         goto free_actions;
 258                 }
 259                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 260                 actions[num_actions++] = tmp_action;
 261         }
 262 
 263         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2) {
 264                 tmp_action = create_action_push_vlan(domain, &fte->action.vlan[1]);
 265                 if (!tmp_action) {
 266                         err = -ENOMEM;
 267                         goto free_actions;
 268                 }
 269                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 270                 actions[num_actions++] = tmp_action;
 271         }
 272 
 273         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_DECAP) {
 274                 enum mlx5dr_action_reformat_type decap_type =
 275                         DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2;
 276 
 277                 tmp_action = mlx5dr_action_create_packet_reformat(domain,
 278                                                                   decap_type, 0,
 279                                                                   NULL);
 280                 if (!tmp_action) {
 281                         err = -ENOMEM;
 282                         goto free_actions;
 283                 }
 284                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 285                 actions[num_actions++] = tmp_action;
 286         }
 287 
 288         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) {
 289                 bool is_decap = fte->action.pkt_reformat->reformat_type ==
 290                         MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
 291 
 292                 if (is_decap)
 293                         actions[num_actions++] =
 294                                 fte->action.pkt_reformat->action.dr_action;
 295                 else
 296                         delay_encap_set = true;
 297         }
 298 
 299         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) {
 300                 tmp_action =
 301                         mlx5dr_action_create_pop_vlan();
 302                 if (!tmp_action) {
 303                         err = -ENOMEM;
 304                         goto free_actions;
 305                 }
 306                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 307                 actions[num_actions++] = tmp_action;
 308         }
 309 
 310         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2) {
 311                 tmp_action =
 312                         mlx5dr_action_create_pop_vlan();
 313                 if (!tmp_action) {
 314                         err = -ENOMEM;
 315                         goto free_actions;
 316                 }
 317                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 318                 actions[num_actions++] = tmp_action;
 319         }
 320 
 321         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
 322                 actions[num_actions++] =
 323                         fte->action.modify_hdr->action.dr_action;
 324 
 325         if (delay_encap_set)
 326                 actions[num_actions++] =
 327                         fte->action.pkt_reformat->action.dr_action;
 328 
 329         /* The order of the actions below is not important */
 330 
 331         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_DROP) {
 332                 tmp_action = mlx5dr_action_create_drop();
 333                 if (!tmp_action) {
 334                         err = -ENOMEM;
 335                         goto free_actions;
 336                 }
 337                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 338                 term_action = tmp_action;
 339         }
 340 
 341         if (fte->flow_context.flow_tag) {
 342                 tmp_action =
 343                         mlx5dr_action_create_tag(fte->flow_context.flow_tag);
 344                 if (!tmp_action) {
 345                         err = -ENOMEM;
 346                         goto free_actions;
 347                 }
 348                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 349                 actions[num_actions++] = tmp_action;
 350         }
 351 
 352         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
 353                 list_for_each_entry(dst, &fte->node.children, node.list) {
 354                         enum mlx5_flow_destination_type type = dst->dest_attr.type;
 355 
 356                         if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
 357                                 err = -ENOSPC;
 358                                 goto free_actions;
 359                         }
 360 
 361                         if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 362                                 continue;
 363 
 364                         switch (type) {
 365                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
 366                                 tmp_action = create_ft_action(dev, dst);
 367                                 if (!tmp_action) {
 368                                         err = -ENOMEM;
 369                                         goto free_actions;
 370                                 }
 371                                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 372                                 term_action = tmp_action;
 373                                 break;
 374                         case MLX5_FLOW_DESTINATION_TYPE_VPORT:
 375                                 tmp_action = create_vport_action(domain, dst);
 376                                 if (!tmp_action) {
 377                                         err = -ENOMEM;
 378                                         goto free_actions;
 379                                 }
 380                                 fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 381                                 term_action = tmp_action;
 382                                 break;
 383                         default:
 384                                 err = -EOPNOTSUPP;
 385                                 goto free_actions;
 386                         }
 387                 }
 388         }
 389 
 390         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
 391                 list_for_each_entry(dst, &fte->node.children, node.list) {
 392                         u32 id;
 393 
 394                         if (dst->dest_attr.type !=
 395                             MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 396                                 continue;
 397 
 398                         if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
 399                                 err = -ENOSPC;
 400                                 goto free_actions;
 401                         }
 402 
 403                         id = dst->dest_attr.counter_id;
 404                         tmp_action =
 405                                 mlx5dr_action_create_flow_counter(id);
 406                         if (!tmp_action) {
 407                                 err = -ENOMEM;
 408                                 goto free_actions;
 409                         }
 410 
 411                         fs_dr_actions[fs_dr_num_actions++] = tmp_action;
 412                         actions[num_actions++] = tmp_action;
 413                 }
 414         }
 415 
 416         params.match_sz = match_sz;
 417         params.match_buf = (u64 *)fte->val;
 418 
 419         if (term_action)
 420                 actions[num_actions++] = term_action;
 421 
 422         rule = mlx5dr_rule_create(group->fs_dr_matcher.dr_matcher,
 423                                   &params,
 424                                   num_actions,
 425                                   actions);
 426         if (!rule) {
 427                 err = -EINVAL;
 428                 goto free_actions;
 429         }
 430 
 431         kfree(actions);
 432         fte->fs_dr_rule.dr_rule = rule;
 433         fte->fs_dr_rule.num_actions = fs_dr_num_actions;
 434         fte->fs_dr_rule.dr_actions = fs_dr_actions;
 435 
 436         return 0;
 437 
 438 free_actions:
 439         for (i = 0; i < fs_dr_num_actions; i++)
 440                 if (!IS_ERR_OR_NULL(fs_dr_actions[i]))
 441                         mlx5dr_action_destroy(fs_dr_actions[i]);
 442 
 443         mlx5_core_err(dev, "Failed to create dr rule err(%d)\n", err);
 444         kfree(actions);
 445         kfree(fs_dr_actions);
 446         return err;
 447 }
 448 
 449 static int mlx5_cmd_dr_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
 450                                              int reformat_type,
 451                                              size_t size,
 452                                              void *reformat_data,
 453                                              enum mlx5_flow_namespace_type namespace,
 454                                              struct mlx5_pkt_reformat *pkt_reformat)
 455 {
 456         struct mlx5dr_domain *dr_domain = ns->fs_dr_domain.dr_domain;
 457         struct mlx5dr_action *action;
 458         int dr_reformat;
 459 
 460         switch (reformat_type) {
 461         case MLX5_REFORMAT_TYPE_L2_TO_VXLAN:
 462         case MLX5_REFORMAT_TYPE_L2_TO_NVGRE:
 463         case MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL:
 464                 dr_reformat = DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2;
 465                 break;
 466         case MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2:
 467                 dr_reformat = DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2;
 468                 break;
 469         case MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL:
 470                 dr_reformat = DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3;
 471                 break;
 472         default:
 473                 mlx5_core_err(ns->dev, "Packet-reformat not supported(%d)\n",
 474                               reformat_type);
 475                 return -EOPNOTSUPP;
 476         }
 477 
 478         action = mlx5dr_action_create_packet_reformat(dr_domain,
 479                                                       dr_reformat,
 480                                                       size,
 481                                                       reformat_data);
 482         if (!action) {
 483                 mlx5_core_err(ns->dev, "Failed allocating packet-reformat action\n");
 484                 return -EINVAL;
 485         }
 486 
 487         pkt_reformat->action.dr_action = action;
 488 
 489         return 0;
 490 }
 491 
 492 static void mlx5_cmd_dr_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
 493                                                 struct mlx5_pkt_reformat *pkt_reformat)
 494 {
 495         mlx5dr_action_destroy(pkt_reformat->action.dr_action);
 496 }
 497 
 498 static int mlx5_cmd_dr_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
 499                                            u8 namespace, u8 num_actions,
 500                                            void *modify_actions,
 501                                            struct mlx5_modify_hdr *modify_hdr)
 502 {
 503         struct mlx5dr_domain *dr_domain = ns->fs_dr_domain.dr_domain;
 504         struct mlx5dr_action *action;
 505         size_t actions_sz;
 506 
 507         actions_sz = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) *
 508                 num_actions;
 509         action = mlx5dr_action_create_modify_header(dr_domain, 0,
 510                                                     actions_sz,
 511                                                     modify_actions);
 512         if (!action) {
 513                 mlx5_core_err(ns->dev, "Failed allocating modify-header action\n");
 514                 return -EINVAL;
 515         }
 516 
 517         modify_hdr->action.dr_action = action;
 518 
 519         return 0;
 520 }
 521 
 522 static void mlx5_cmd_dr_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
 523                                               struct mlx5_modify_hdr *modify_hdr)
 524 {
 525         mlx5dr_action_destroy(modify_hdr->action.dr_action);
 526 }
 527 
 528 static int mlx5_cmd_dr_update_fte(struct mlx5_flow_root_namespace *ns,
 529                                   struct mlx5_flow_table *ft,
 530                                   struct mlx5_flow_group *group,
 531                                   int modify_mask,
 532                                   struct fs_fte *fte)
 533 {
 534         return -EOPNOTSUPP;
 535 }
 536 
 537 static int mlx5_cmd_dr_delete_fte(struct mlx5_flow_root_namespace *ns,
 538                                   struct mlx5_flow_table *ft,
 539                                   struct fs_fte *fte)
 540 {
 541         struct mlx5_fs_dr_rule *rule = &fte->fs_dr_rule;
 542         int err;
 543         int i;
 544 
 545         if (mlx5_dr_is_fw_table(ft->flags))
 546                 return mlx5_fs_cmd_get_fw_cmds()->delete_fte(ns, ft, fte);
 547 
 548         err = mlx5dr_rule_destroy(rule->dr_rule);
 549         if (err)
 550                 return err;
 551 
 552         for (i = 0; i < rule->num_actions; i++)
 553                 if (!IS_ERR_OR_NULL(rule->dr_actions[i]))
 554                         mlx5dr_action_destroy(rule->dr_actions[i]);
 555 
 556         kfree(rule->dr_actions);
 557         return 0;
 558 }
 559 
 560 static int mlx5_cmd_dr_set_peer(struct mlx5_flow_root_namespace *ns,
 561                                 struct mlx5_flow_root_namespace *peer_ns)
 562 {
 563         struct mlx5dr_domain *peer_domain = NULL;
 564 
 565         if (peer_ns)
 566                 peer_domain = peer_ns->fs_dr_domain.dr_domain;
 567         mlx5dr_domain_set_peer(ns->fs_dr_domain.dr_domain,
 568                                peer_domain);
 569         return 0;
 570 }
 571 
 572 static int mlx5_cmd_dr_create_ns(struct mlx5_flow_root_namespace *ns)
 573 {
 574         ns->fs_dr_domain.dr_domain =
 575                 mlx5dr_domain_create(ns->dev,
 576                                      MLX5DR_DOMAIN_TYPE_FDB);
 577         if (!ns->fs_dr_domain.dr_domain) {
 578                 mlx5_core_err(ns->dev, "Failed to create dr flow namespace\n");
 579                 return -EOPNOTSUPP;
 580         }
 581         return 0;
 582 }
 583 
 584 static int mlx5_cmd_dr_destroy_ns(struct mlx5_flow_root_namespace *ns)
 585 {
 586         return mlx5dr_domain_destroy(ns->fs_dr_domain.dr_domain);
 587 }
 588 
 589 bool mlx5_fs_dr_is_supported(struct mlx5_core_dev *dev)
 590 {
 591         return mlx5dr_is_supported(dev);
 592 }
 593 
 594 static const struct mlx5_flow_cmds mlx5_flow_cmds_dr = {
 595         .create_flow_table = mlx5_cmd_dr_create_flow_table,
 596         .destroy_flow_table = mlx5_cmd_dr_destroy_flow_table,
 597         .modify_flow_table = mlx5_cmd_dr_modify_flow_table,
 598         .create_flow_group = mlx5_cmd_dr_create_flow_group,
 599         .destroy_flow_group = mlx5_cmd_dr_destroy_flow_group,
 600         .create_fte = mlx5_cmd_dr_create_fte,
 601         .update_fte = mlx5_cmd_dr_update_fte,
 602         .delete_fte = mlx5_cmd_dr_delete_fte,
 603         .update_root_ft = mlx5_cmd_dr_update_root_ft,
 604         .packet_reformat_alloc = mlx5_cmd_dr_packet_reformat_alloc,
 605         .packet_reformat_dealloc = mlx5_cmd_dr_packet_reformat_dealloc,
 606         .modify_header_alloc = mlx5_cmd_dr_modify_header_alloc,
 607         .modify_header_dealloc = mlx5_cmd_dr_modify_header_dealloc,
 608         .set_peer = mlx5_cmd_dr_set_peer,
 609         .create_ns = mlx5_cmd_dr_create_ns,
 610         .destroy_ns = mlx5_cmd_dr_destroy_ns,
 611 };
 612 
 613 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_dr_cmds(void)
 614 {
 615                 return &mlx5_flow_cmds_dr;
 616 }

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