drivers/net/iavf/iavf_tm.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4 #include <rte_tm_driver.h>
   5
   6 #include "iavf.h"
   7
   8 static int iavf_hierarchy_commit(struct rte_eth_dev *dev,
   9                                  __rte_unused int clear_on_fail,
  10                                  __rte_unused struct rte_tm_error *error);
  11 static int iavf_tm_node_add(struct rte_eth_dev *dev, uint32_t node_id,
  12               uint32_t parent_node_id, uint32_t priority,
  13               uint32_t weight, uint32_t level_id,
  14               struct rte_tm_node_params *params,
  15               struct rte_tm_error *error);
  16 static int iavf_tm_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
  17                             struct rte_tm_error *error);
  18 static int iavf_tm_capabilities_get(struct rte_eth_dev *dev,
  19                          struct rte_tm_capabilities *cap,
  20                          struct rte_tm_error *error);
  21 static int iavf_level_capabilities_get(struct rte_eth_dev *dev,
  22                             uint32_t level_id,
  23                             struct rte_tm_level_capabilities *cap,
  24                             struct rte_tm_error *error);
  25 static int iavf_node_capabilities_get(struct rte_eth_dev *dev,
  26                                       uint32_t node_id,
  27                                       struct rte_tm_node_capabilities *cap,
  28                                       struct rte_tm_error *error);
  29 static int iavf_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
  30                    int *is_leaf, struct rte_tm_error *error);
  31
  32 const struct rte_tm_ops iavf_tm_ops = {
  33         .node_add = iavf_tm_node_add,
  34         .node_delete = iavf_tm_node_delete,
  35         .capabilities_get = iavf_tm_capabilities_get,
  36         .level_capabilities_get = iavf_level_capabilities_get,
  37         .node_capabilities_get = iavf_node_capabilities_get,
  38         .node_type_get = iavf_node_type_get,
  39         .hierarchy_commit = iavf_hierarchy_commit,
  40 };
  41
  42 void
  43 iavf_tm_conf_init(struct rte_eth_dev *dev)
  44 {
  45         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
  46
  47         /* initialize node configuration */
  48         vf->tm_conf.root = NULL;
  49         TAILQ_INIT(&vf->tm_conf.tc_list);
  50         TAILQ_INIT(&vf->tm_conf.queue_list);
  51         vf->tm_conf.nb_tc_node = 0;
  52         vf->tm_conf.nb_queue_node = 0;
  53         vf->tm_conf.committed = false;
  54 }
  55
  56 void
  57 iavf_tm_conf_uninit(struct rte_eth_dev *dev)
  58 {
  59         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
  60         struct iavf_tm_node *tm_node;
  61
  62         /* clear node configuration */
  63         while ((tm_node = TAILQ_FIRST(&vf->tm_conf.queue_list))) {
  64                 TAILQ_REMOVE(&vf->tm_conf.queue_list, tm_node, node);
  65                 rte_free(tm_node);
  66         }
  67         vf->tm_conf.nb_queue_node = 0;
  68         while ((tm_node = TAILQ_FIRST(&vf->tm_conf.tc_list))) {
  69                 TAILQ_REMOVE(&vf->tm_conf.tc_list, tm_node, node);
  70                 rte_free(tm_node);
  71         }
  72         vf->tm_conf.nb_tc_node = 0;
  73         if (vf->tm_conf.root) {
  74                 rte_free(vf->tm_conf.root);
  75                 vf->tm_conf.root = NULL;
  76         }
  77 }
  78
  79 static inline struct iavf_tm_node *
  80 iavf_tm_node_search(struct rte_eth_dev *dev,
  81                     uint32_t node_id, enum iavf_tm_node_type *node_type)
  82 {
  83         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
  84         struct iavf_tm_node_list *tc_list = &vf->tm_conf.tc_list;
  85         struct iavf_tm_node_list *queue_list = &vf->tm_conf.queue_list;
  86         struct iavf_tm_node *tm_node;
  87
  88         if (vf->tm_conf.root && vf->tm_conf.root->id == node_id) {
  89                 *node_type = IAVF_TM_NODE_TYPE_PORT;
  90                 return vf->tm_conf.root;
  91         }
  92
  93         TAILQ_FOREACH(tm_node, tc_list, node) {
  94                 if (tm_node->id == node_id) {
  95                         *node_type = IAVF_TM_NODE_TYPE_TC;
  96                         return tm_node;
  97                 }
  98         }
  99
 100         TAILQ_FOREACH(tm_node, queue_list, node) {
 101                 if (tm_node->id == node_id) {
 102                         *node_type = IAVF_TM_NODE_TYPE_QUEUE;
 103                         return tm_node;
 104                 }
 105         }
 106
 107         return NULL;
 108 }
 109
 110 static int
 111 iavf_node_param_check(struct iavf_info *vf, uint32_t node_id,
 112                       uint32_t priority, uint32_t weight,
 113                       struct rte_tm_node_params *params,
 114                       struct rte_tm_error *error)
 115 {
 116         /* checked all the unsupported parameter */
 117         if (node_id == RTE_TM_NODE_ID_NULL) {
 118                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 119                 error->message = "invalid node id";
 120                 return -EINVAL;
 121         }
 122
 123         if (priority) {
 124                 error->type = RTE_TM_ERROR_TYPE_NODE_PRIORITY;
 125                 error->message = "priority should be 0";
 126                 return -EINVAL;
 127         }
 128
 129         if (weight != 1) {
 130                 error->type = RTE_TM_ERROR_TYPE_NODE_WEIGHT;
 131                 error->message = "weight must be 1";
 132                 return -EINVAL;
 133         }
 134
 135         /* not support shaper profile */
 136         if (params->shaper_profile_id) {
 137                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_SHAPER_PROFILE_ID;
 138                 error->message = "shaper profile not supported";
 139                 return -EINVAL;
 140         }
 141
 142         /* not support shared shaper */
 143         if (params->shared_shaper_id) {
 144                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_SHAPER_ID;
 145                 error->message = "shared shaper not supported";
 146                 return -EINVAL;
 147         }
 148         if (params->n_shared_shapers) {
 149                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_SHAPERS;
 150                 error->message = "shared shaper not supported";
 151                 return -EINVAL;
 152         }
 153
 154         /* for non-leaf node */
 155         if (node_id >= vf->num_queue_pairs) {
 156                 if (params->nonleaf.wfq_weight_mode) {
 157                         error->type =
 158                                 RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
 159                         error->message = "WFQ not supported";
 160                         return -EINVAL;
 161                 }
 162                 if (params->nonleaf.n_sp_priorities != 1) {
 163                         error->type =
 164                                 RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SP_PRIORITIES;
 165                         error->message = "SP priority not supported";
 166                         return -EINVAL;
 167                 } else if (params->nonleaf.wfq_weight_mode &&
 168                            !(*params->nonleaf.wfq_weight_mode)) {
 169                         error->type =
 170                                 RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
 171                         error->message = "WFP should be byte mode";
 172                         return -EINVAL;
 173                 }
 174
 175                 return 0;
 176         }
 177
 178         /* for leaf node */
 179         if (params->leaf.cman) {
 180                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_CMAN;
 181                 error->message = "Congestion management not supported";
 182                 return -EINVAL;
 183         }
 184         if (params->leaf.wred.wred_profile_id !=
 185             RTE_TM_WRED_PROFILE_ID_NONE) {
 186                 error->type =
 187                         RTE_TM_ERROR_TYPE_NODE_PARAMS_WRED_PROFILE_ID;
 188                 error->message = "WRED not supported";
 189                 return -EINVAL;
 190         }
 191         if (params->leaf.wred.shared_wred_context_id) {
 192                 error->type =
 193                         RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_WRED_CONTEXT_ID;
 194                 error->message = "WRED not supported";
 195                 return -EINVAL;
 196         }
 197         if (params->leaf.wred.n_shared_wred_contexts) {
 198                 error->type =
 199                         RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_WRED_CONTEXTS;
 200                 error->message = "WRED not supported";
 201                 return -EINVAL;
 202         }
 203
 204         return 0;
 205 }
 206
 207 static int
 208 iavf_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
 209                    int *is_leaf, struct rte_tm_error *error)
 210 {
 211         enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 212         struct iavf_tm_node *tm_node;
 213
 214         if (!is_leaf || !error)
 215                 return -EINVAL;
 216
 217         if (node_id == RTE_TM_NODE_ID_NULL) {
 218                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 219                 error->message = "invalid node id";
 220                 return -EINVAL;
 221         }
 222
 223         /* check if the node id exists */
 224         tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 225         if (!tm_node) {
 226                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 227                 error->message = "no such node";
 228                 return -EINVAL;
 229         }
 230
 231         if (node_type == IAVF_TM_NODE_TYPE_QUEUE)
 232                 *is_leaf = true;
 233         else
 234                 *is_leaf = false;
 235
 236         return 0;
 237 }
 238
 239 static int
 240 iavf_tm_node_add(struct rte_eth_dev *dev, uint32_t node_id,
 241               uint32_t parent_node_id, uint32_t priority,
 242               uint32_t weight, uint32_t level_id,
 243               struct rte_tm_node_params *params,
 244               struct rte_tm_error *error)
 245 {
 246         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 247         enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 248         enum iavf_tm_node_type parent_node_type = IAVF_TM_NODE_TYPE_MAX;
 249         struct iavf_tm_node *tm_node;
 250         struct iavf_tm_node *parent_node;
 251         uint16_t tc_nb = vf->qos_cap->num_elem;
 252         int ret;
 253
 254         if (!params || !error)
 255                 return -EINVAL;
 256
 257         /* if already committed */
 258         if (vf->tm_conf.committed) {
 259                 error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
 260                 error->message = "already committed";
 261                 return -EINVAL;
 262         }
 263
 264         ret = iavf_node_param_check(vf, node_id, priority, weight,
 265                                     params, error);
 266         if (ret)
 267                 return ret;
 268
 269         /* check if the node is already existed */
 270         if (iavf_tm_node_search(dev, node_id, &node_type)) {
 271                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 272                 error->message = "node id already used";
 273                 return -EINVAL;
 274         }
 275
 276         /* root node if not have a parent */
 277         if (parent_node_id == RTE_TM_NODE_ID_NULL) {
 278                 /* check level */
 279                 if (level_id != IAVF_TM_NODE_TYPE_PORT) {
 280                         error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 281                         error->message = "Wrong level";
 282                         return -EINVAL;
 283                 }
 284
 285                 /* obviously no more than one root */
 286                 if (vf->tm_conf.root) {
 287                         error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 288                         error->message = "already have a root";
 289                         return -EINVAL;
 290                 }
 291
 292                 /* add the root node */
 293                 tm_node = rte_zmalloc("iavf_tm_node",
 294                                       sizeof(struct iavf_tm_node),
 295                                       0);
 296                 if (!tm_node)
 297                         return -ENOMEM;
 298                 tm_node->id = node_id;
 299                 tm_node->parent = NULL;
 300                 tm_node->reference_count = 0;
 301                 rte_memcpy(&tm_node->params, params,
 302                                  sizeof(struct rte_tm_node_params));
 303                 vf->tm_conf.root = tm_node;
 304                 return 0;
 305         }
 306
 307         /* TC or queue node */
 308         /* check the parent node */
 309         parent_node = iavf_tm_node_search(dev, parent_node_id,
 310                                           &parent_node_type);
 311         if (!parent_node) {
 312                 error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 313                 error->message = "parent not exist";
 314                 return -EINVAL;
 315         }
 316         if (parent_node_type != IAVF_TM_NODE_TYPE_PORT &&
 317             parent_node_type != IAVF_TM_NODE_TYPE_TC) {
 318                 error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 319                 error->message = "parent is not root or TC";
 320                 return -EINVAL;
 321         }
 322         /* check level */
 323         if (level_id != RTE_TM_NODE_LEVEL_ID_ANY &&
 324             level_id != parent_node_type + 1) {
 325                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 326                 error->message = "Wrong level";
 327                 return -EINVAL;
 328         }
 329
 330         /* check the node number */
 331         if (parent_node_type == IAVF_TM_NODE_TYPE_PORT) {
 332                 /* check the TC number */
 333                 if (vf->tm_conf.nb_tc_node >= tc_nb) {
 334                         error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 335                         error->message = "too many TCs";
 336                         return -EINVAL;
 337                 }
 338         } else {
 339                 /* check the queue number */
 340                 if (parent_node->reference_count >= vf->num_queue_pairs) {
 341                         error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 342                         error->message = "too many queues";
 343                         return -EINVAL;
 344                 }
 345                 if (node_id >= vf->num_queue_pairs) {
 346                         error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 347                         error->message = "too large queue id";
 348                         return -EINVAL;
 349                 }
 350         }
 351
 352         /* add the TC or queue node */
 353         tm_node = rte_zmalloc("iavf_tm_node",
 354                               sizeof(struct iavf_tm_node),
 355                               0);
 356         if (!tm_node)
 357                 return -ENOMEM;
 358         tm_node->id = node_id;
 359         tm_node->reference_count = 0;
 360         tm_node->parent = parent_node;
 361         rte_memcpy(&tm_node->params, params,
 362                          sizeof(struct rte_tm_node_params));
 363         if (parent_node_type == IAVF_TM_NODE_TYPE_PORT) {
 364                 TAILQ_INSERT_TAIL(&vf->tm_conf.tc_list,
 365                                   tm_node, node);
 366                 tm_node->tc = vf->tm_conf.nb_tc_node;
 367                 vf->tm_conf.nb_tc_node++;
 368         } else {
 369                 TAILQ_INSERT_TAIL(&vf->tm_conf.queue_list,
 370                                   tm_node, node);
 371                 tm_node->tc = parent_node->tc;
 372                 vf->tm_conf.nb_queue_node++;
 373         }
 374         tm_node->parent->reference_count++;
 375
 376         return 0;
 377 }
 378
 379 static int
 380 iavf_tm_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 381                  struct rte_tm_error *error)
 382 {
 383         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 384         enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 385         struct iavf_tm_node *tm_node;
 386
 387         if (!error)
 388                 return -EINVAL;
 389
 390         /* if already committed */
 391         if (vf->tm_conf.committed) {
 392                 error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
 393                 error->message = "already committed";
 394                 return -EINVAL;
 395         }
 396
 397         if (node_id == RTE_TM_NODE_ID_NULL) {
 398                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 399                 error->message = "invalid node id";
 400                 return -EINVAL;
 401         }
 402
 403         /* check if the node id exists */
 404         tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 405         if (!tm_node) {
 406                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 407                 error->message = "no such node";
 408                 return -EINVAL;
 409         }
 410
 411         /* the node should have no child */
 412         if (tm_node->reference_count) {
 413                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 414                 error->message =
 415                         "cannot delete a node which has children";
 416                 return -EINVAL;
 417         }
 418
 419         /* root node */
 420         if (node_type == IAVF_TM_NODE_TYPE_PORT) {
 421                 rte_free(tm_node);
 422                 vf->tm_conf.root = NULL;
 423                 return 0;
 424         }
 425
 426         /* TC or queue node */
 427         tm_node->parent->reference_count--;
 428         if (node_type == IAVF_TM_NODE_TYPE_TC) {
 429                 TAILQ_REMOVE(&vf->tm_conf.tc_list, tm_node, node);
 430                 vf->tm_conf.nb_tc_node--;
 431         } else {
 432                 TAILQ_REMOVE(&vf->tm_conf.queue_list, tm_node, node);
 433                 vf->tm_conf.nb_queue_node--;
 434         }
 435         rte_free(tm_node);
 436
 437         return 0;
 438 }
 439
 440 static int
 441 iavf_tm_capabilities_get(struct rte_eth_dev *dev,
 442                          struct rte_tm_capabilities *cap,
 443                          struct rte_tm_error *error)
 444 {
 445         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 446         uint16_t tc_nb = vf->qos_cap->num_elem;
 447
 448         if (!cap || !error)
 449                 return -EINVAL;
 450
 451         if (tc_nb > vf->vf_res->num_queue_pairs)
 452                 return -EINVAL;
 453
 454         error->type = RTE_TM_ERROR_TYPE_NONE;
 455
 456         /* set all the parameters to 0 first. */
 457         memset(cap, 0, sizeof(struct rte_tm_capabilities));
 458
 459         /**
 460          * support port + TCs + queues
 461          * here shows the max capability not the current configuration.
 462          */
 463         cap->n_nodes_max = 1 + IAVF_MAX_TRAFFIC_CLASS
 464                 + vf->num_queue_pairs;
 465         cap->n_levels_max = 3; /* port, TC, queue */
 466         cap->non_leaf_nodes_identical = 1;
 467         cap->leaf_nodes_identical = 1;
 468         cap->shaper_n_max = cap->n_nodes_max;
 469         cap->shaper_private_n_max = cap->n_nodes_max;
 470         cap->shaper_private_dual_rate_n_max = 0;
 471         cap->shaper_private_rate_min = 0;
 472         /* Bytes per second */
 473         cap->shaper_private_rate_max =
 474                 (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 475         cap->shaper_private_packet_mode_supported = 0;
 476         cap->shaper_private_byte_mode_supported = 1;
 477         cap->shaper_shared_n_max = 0;
 478         cap->shaper_shared_n_nodes_per_shaper_max = 0;
 479         cap->shaper_shared_n_shapers_per_node_max = 0;
 480         cap->shaper_shared_dual_rate_n_max = 0;
 481         cap->shaper_shared_rate_min = 0;
 482         cap->shaper_shared_rate_max = 0;
 483         cap->shaper_shared_packet_mode_supported = 0;
 484         cap->shaper_shared_byte_mode_supported = 0;
 485         cap->sched_n_children_max = vf->num_queue_pairs;
 486         cap->sched_sp_n_priorities_max = 1;
 487         cap->sched_wfq_n_children_per_group_max = 0;
 488         cap->sched_wfq_n_groups_max = 0;
 489         cap->sched_wfq_weight_max = 1;
 490         cap->sched_wfq_packet_mode_supported = 0;
 491         cap->sched_wfq_byte_mode_supported = 0;
 492         cap->cman_head_drop_supported = 0;
 493         cap->dynamic_update_mask = 0;
 494         cap->shaper_pkt_length_adjust_min = RTE_TM_ETH_FRAMING_OVERHEAD;
 495         cap->shaper_pkt_length_adjust_max = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 496         cap->cman_wred_context_n_max = 0;
 497         cap->cman_wred_context_private_n_max = 0;
 498         cap->cman_wred_context_shared_n_max = 0;
 499         cap->cman_wred_context_shared_n_nodes_per_context_max = 0;
 500         cap->cman_wred_context_shared_n_contexts_per_node_max = 0;
 501         cap->stats_mask = 0;
 502
 503         return 0;
 504 }
 505
 506 static int
 507 iavf_level_capabilities_get(struct rte_eth_dev *dev,
 508                             uint32_t level_id,
 509                             struct rte_tm_level_capabilities *cap,
 510                             struct rte_tm_error *error)
 511 {
 512         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 513
 514         if (!cap || !error)
 515                 return -EINVAL;
 516
 517         if (level_id >= IAVF_TM_NODE_TYPE_MAX) {
 518                 error->type = RTE_TM_ERROR_TYPE_LEVEL_ID;
 519                 error->message = "too deep level";
 520                 return -EINVAL;
 521         }
 522
 523         /* root node */
 524         if (level_id == IAVF_TM_NODE_TYPE_PORT) {
 525                 cap->n_nodes_max = 1;
 526                 cap->n_nodes_nonleaf_max = 1;
 527                 cap->n_nodes_leaf_max = 0;
 528         } else if (level_id == IAVF_TM_NODE_TYPE_TC) {
 529                 /* TC */
 530                 cap->n_nodes_max = IAVF_MAX_TRAFFIC_CLASS;
 531                 cap->n_nodes_nonleaf_max = IAVF_MAX_TRAFFIC_CLASS;
 532                 cap->n_nodes_leaf_max = 0;
 533         } else {
 534                 /* queue */
 535                 cap->n_nodes_max = vf->num_queue_pairs;
 536                 cap->n_nodes_nonleaf_max = 0;
 537                 cap->n_nodes_leaf_max = vf->num_queue_pairs;
 538         }
 539
 540         cap->non_leaf_nodes_identical = true;
 541         cap->leaf_nodes_identical = true;
 542
 543         if (level_id != IAVF_TM_NODE_TYPE_QUEUE) {
 544                 cap->nonleaf.shaper_private_supported = true;
 545                 cap->nonleaf.shaper_private_dual_rate_supported = false;
 546                 cap->nonleaf.shaper_private_rate_min = 0;
 547                 /* Bytes per second */
 548                 cap->nonleaf.shaper_private_rate_max =
 549                         (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 550                 cap->nonleaf.shaper_private_packet_mode_supported = 0;
 551                 cap->nonleaf.shaper_private_byte_mode_supported = 1;
 552                 cap->nonleaf.shaper_shared_n_max = 0;
 553                 cap->nonleaf.shaper_shared_packet_mode_supported = 0;
 554                 cap->nonleaf.shaper_shared_byte_mode_supported = 0;
 555                 if (level_id == IAVF_TM_NODE_TYPE_PORT)
 556                         cap->nonleaf.sched_n_children_max =
 557                                 IAVF_MAX_TRAFFIC_CLASS;
 558                 else
 559                         cap->nonleaf.sched_n_children_max =
 560                                 vf->num_queue_pairs;
 561                 cap->nonleaf.sched_sp_n_priorities_max = 1;
 562                 cap->nonleaf.sched_wfq_n_children_per_group_max = 0;
 563                 cap->nonleaf.sched_wfq_n_groups_max = 0;
 564                 cap->nonleaf.sched_wfq_weight_max = 1;
 565                 cap->nonleaf.sched_wfq_packet_mode_supported = 0;
 566                 cap->nonleaf.sched_wfq_byte_mode_supported = 0;
 567                 cap->nonleaf.stats_mask = 0;
 568
 569                 return 0;
 570         }
 571
 572         /* queue node */
 573         cap->leaf.shaper_private_supported = false;
 574         cap->leaf.shaper_private_dual_rate_supported = false;
 575         cap->leaf.shaper_private_rate_min = 0;
 576         /* Bytes per second */
 577         cap->leaf.shaper_private_rate_max =
 578                 (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 579         cap->leaf.shaper_private_packet_mode_supported = 0;
 580         cap->leaf.shaper_private_byte_mode_supported = 1;
 581         cap->leaf.shaper_shared_n_max = 0;
 582         cap->leaf.shaper_shared_packet_mode_supported = 0;
 583         cap->leaf.shaper_shared_byte_mode_supported = 0;
 584         cap->leaf.cman_head_drop_supported = false;
 585         cap->leaf.cman_wred_context_private_supported = true;
 586         cap->leaf.cman_wred_context_shared_n_max = 0;
 587         cap->leaf.stats_mask = 0;
 588
 589         return 0;
 590 }
 591
 592 static int
 593 iavf_node_capabilities_get(struct rte_eth_dev *dev,
 594                            uint32_t node_id,
 595                            struct rte_tm_node_capabilities *cap,
 596                            struct rte_tm_error *error)
 597 {
 598         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 599         enum iavf_tm_node_type node_type;
 600         struct virtchnl_qos_cap_elem tc_cap;
 601         struct iavf_tm_node *tm_node;
 602
 603         if (!cap || !error)
 604                 return -EINVAL;
 605
 606         if (node_id == RTE_TM_NODE_ID_NULL) {
 607                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 608                 error->message = "invalid node id";
 609                 return -EINVAL;
 610         }
 611
 612         /* check if the node id exists */
 613         tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 614         if (!tm_node) {
 615                 error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 616                 error->message = "no such node";
 617                 return -EINVAL;
 618         }
 619
 620         if (node_type != IAVF_TM_NODE_TYPE_TC) {
 621                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 622                 error->message = "not support capability get";
 623                 return -EINVAL;
 624         }
 625
 626         tc_cap = vf->qos_cap->cap[tm_node->tc];
 627         if (tc_cap.tc_num != tm_node->tc) {
 628                 error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 629                 error->message = "tc not match";
 630                 return -EINVAL;
 631         }
 632
 633         cap->shaper_private_supported = true;
 634         cap->shaper_private_dual_rate_supported = false;
 635         /* Bytes per second */
 636         cap->shaper_private_rate_min =
 637                 (uint64_t)tc_cap.shaper.committed * 1000 / IAVF_BITS_PER_BYTE;
 638         cap->shaper_private_rate_max =
 639                 (uint64_t)tc_cap.shaper.peak * 1000 / IAVF_BITS_PER_BYTE;
 640         cap->shaper_shared_n_max = 0;
 641         cap->nonleaf.sched_n_children_max = vf->num_queue_pairs;
 642         cap->nonleaf.sched_sp_n_priorities_max = 1;
 643         cap->nonleaf.sched_wfq_n_children_per_group_max = 1;
 644         cap->nonleaf.sched_wfq_n_groups_max = 0;
 645         cap->nonleaf.sched_wfq_weight_max = tc_cap.weight;
 646         cap->stats_mask = 0;
 647
 648         return 0;
 649 }
 650
 651 static int iavf_hierarchy_commit(struct rte_eth_dev *dev,
 652                                  int clear_on_fail,
 653                                  __rte_unused struct rte_tm_error *error)
 654 {
 655         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 656         struct iavf_adapter *adapter =
 657                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 658         struct virtchnl_queue_tc_mapping *q_tc_mapping;
 659         struct iavf_tm_node_list *queue_list = &vf->tm_conf.queue_list;
 660         struct iavf_tm_node *tm_node;
 661         struct iavf_qtc_map *qtc_map;
 662         uint16_t size;
 663         int index = 0, node_committed = 0;
 664         int i, ret_val = IAVF_SUCCESS;
 665
 666         /* check if port is stopped */
 667         if (adapter->stopped != 1) {
 668                 PMD_DRV_LOG(ERR, "Please stop port first");
 669                 ret_val = IAVF_ERR_NOT_READY;
 670                 goto err;
 671         }
 672
 673         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)) {
 674                 PMD_DRV_LOG(ERR, "VF queue tc mapping is not supported");
 675                 ret_val = IAVF_NOT_SUPPORTED;
 676                 goto fail_clear;
 677         }
 678
 679         /* check if all TC nodes are set with VF vsi */
 680         if (vf->tm_conf.nb_tc_node != vf->qos_cap->num_elem) {
 681                 PMD_DRV_LOG(ERR, "Does not set VF vsi nodes to all TCs");
 682                 ret_val = IAVF_ERR_PARAM;
 683                 goto fail_clear;
 684         }
 685
 686         size = sizeof(*q_tc_mapping) + sizeof(q_tc_mapping->tc[0]) *
 687                 (vf->qos_cap->num_elem - 1);
 688         q_tc_mapping = rte_zmalloc("q_tc", size, 0);
 689         if (!q_tc_mapping) {
 690                 ret_val = IAVF_ERR_NO_MEMORY;
 691                 goto fail_clear;
 692         }
 693
 694         q_tc_mapping->vsi_id = vf->vsi.vsi_id;
 695         q_tc_mapping->num_tc = vf->qos_cap->num_elem;
 696         q_tc_mapping->num_queue_pairs = vf->num_queue_pairs;
 697
 698         TAILQ_FOREACH(tm_node, queue_list, node) {
 699                 if (tm_node->tc >= q_tc_mapping->num_tc) {
 700                         PMD_DRV_LOG(ERR, "TC%d is not enabled", tm_node->tc);
 701                         ret_val = IAVF_ERR_PARAM;
 702                         goto fail_clear;
 703                 }
 704                 q_tc_mapping->tc[tm_node->tc].req.queue_count++;
 705                 node_committed++;
 706         }
 707
 708         /* All queues allocated to this VF should be mapped */
 709         if (node_committed < vf->num_queue_pairs) {
 710                 PMD_DRV_LOG(ERR, "queue node is less than allocated queue pairs");
 711                 ret_val = IAVF_ERR_PARAM;
 712                 goto fail_clear;
 713         }
 714
 715         /* store the queue TC mapping info */
 716         qtc_map = rte_zmalloc("qtc_map",
 717                 sizeof(struct iavf_qtc_map) * q_tc_mapping->num_tc, 0);
 718         if (!qtc_map)
 719                 return IAVF_ERR_NO_MEMORY;
 720
 721         for (i = 0; i < q_tc_mapping->num_tc; i++) {
 722                 q_tc_mapping->tc[i].req.start_queue_id = index;
 723                 index += q_tc_mapping->tc[i].req.queue_count;
 724                 qtc_map[i].tc = i;
 725                 qtc_map[i].start_queue_id =
 726                         q_tc_mapping->tc[i].req.start_queue_id;
 727                 qtc_map[i].queue_count = q_tc_mapping->tc[i].req.queue_count;
 728         }
 729
 730         ret_val = iavf_set_q_tc_map(dev, q_tc_mapping, size);
 731         if (ret_val)
 732                 goto fail_clear;
 733
 734         vf->qtc_map = qtc_map;
 735         vf->tm_conf.committed = true;
 736         return ret_val;
 737
 738 fail_clear:
 739         /* clear all the traffic manager configuration */
 740         if (clear_on_fail) {
 741                 iavf_tm_conf_uninit(dev);
 742                 iavf_tm_conf_init(dev);
 743         }
 744 err:
 745         return ret_val;
 746 }