dpdk/drivers/net/iavf/iavf_tm.c
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   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
   8static int iavf_hierarchy_commit(struct rte_eth_dev *dev,
   9                                 __rte_unused int clear_on_fail,
  10                                 __rte_unused struct rte_tm_error *error);
  11static int iavf_shaper_profile_add(struct rte_eth_dev *dev,
  12                                   uint32_t shaper_profile_id,
  13                                   struct rte_tm_shaper_params *profile,
  14                                   struct rte_tm_error *error);
  15static int iavf_shaper_profile_del(struct rte_eth_dev *dev,
  16                                   uint32_t shaper_profile_id,
  17                                   struct rte_tm_error *error);
  18static int iavf_tm_node_add(struct rte_eth_dev *dev, uint32_t node_id,
  19              uint32_t parent_node_id, uint32_t priority,
  20              uint32_t weight, uint32_t level_id,
  21              struct rte_tm_node_params *params,
  22              struct rte_tm_error *error);
  23static int iavf_tm_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
  24                            struct rte_tm_error *error);
  25static int iavf_tm_capabilities_get(struct rte_eth_dev *dev,
  26                         struct rte_tm_capabilities *cap,
  27                         struct rte_tm_error *error);
  28static int iavf_level_capabilities_get(struct rte_eth_dev *dev,
  29                            uint32_t level_id,
  30                            struct rte_tm_level_capabilities *cap,
  31                            struct rte_tm_error *error);
  32static int iavf_node_capabilities_get(struct rte_eth_dev *dev,
  33                                      uint32_t node_id,
  34                                      struct rte_tm_node_capabilities *cap,
  35                                      struct rte_tm_error *error);
  36static int iavf_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
  37                   int *is_leaf, struct rte_tm_error *error);
  38
  39const struct rte_tm_ops iavf_tm_ops = {
  40        .shaper_profile_add = iavf_shaper_profile_add,
  41        .shaper_profile_delete = iavf_shaper_profile_del,
  42        .node_add = iavf_tm_node_add,
  43        .node_delete = iavf_tm_node_delete,
  44        .capabilities_get = iavf_tm_capabilities_get,
  45        .level_capabilities_get = iavf_level_capabilities_get,
  46        .node_capabilities_get = iavf_node_capabilities_get,
  47        .node_type_get = iavf_node_type_get,
  48        .hierarchy_commit = iavf_hierarchy_commit,
  49};
  50
  51void
  52iavf_tm_conf_init(struct rte_eth_dev *dev)
  53{
  54        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
  55
  56        /* initialize shaper profile list */
  57        TAILQ_INIT(&vf->tm_conf.shaper_profile_list);
  58
  59        /* initialize node configuration */
  60        vf->tm_conf.root = NULL;
  61        TAILQ_INIT(&vf->tm_conf.tc_list);
  62        TAILQ_INIT(&vf->tm_conf.queue_list);
  63        vf->tm_conf.nb_tc_node = 0;
  64        vf->tm_conf.nb_queue_node = 0;
  65        vf->tm_conf.committed = false;
  66}
  67
  68void
  69iavf_tm_conf_uninit(struct rte_eth_dev *dev)
  70{
  71        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
  72        struct iavf_tm_shaper_profile *shaper_profile;
  73        struct iavf_tm_node *tm_node;
  74
  75        /* clear node configuration */
  76        while ((tm_node = TAILQ_FIRST(&vf->tm_conf.queue_list))) {
  77                TAILQ_REMOVE(&vf->tm_conf.queue_list, tm_node, node);
  78                rte_free(tm_node);
  79        }
  80        vf->tm_conf.nb_queue_node = 0;
  81        while ((tm_node = TAILQ_FIRST(&vf->tm_conf.tc_list))) {
  82                TAILQ_REMOVE(&vf->tm_conf.tc_list, tm_node, node);
  83                rte_free(tm_node);
  84        }
  85        vf->tm_conf.nb_tc_node = 0;
  86        if (vf->tm_conf.root) {
  87                rte_free(vf->tm_conf.root);
  88                vf->tm_conf.root = NULL;
  89        }
  90
  91        /* Remove all shaper profiles */
  92        while ((shaper_profile =
  93               TAILQ_FIRST(&vf->tm_conf.shaper_profile_list))) {
  94                TAILQ_REMOVE(&vf->tm_conf.shaper_profile_list,
  95                             shaper_profile, node);
  96                rte_free(shaper_profile);
  97        }
  98}
  99
 100static inline struct iavf_tm_node *
 101iavf_tm_node_search(struct rte_eth_dev *dev,
 102                    uint32_t node_id, enum iavf_tm_node_type *node_type)
 103{
 104        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 105        struct iavf_tm_node_list *tc_list = &vf->tm_conf.tc_list;
 106        struct iavf_tm_node_list *queue_list = &vf->tm_conf.queue_list;
 107        struct iavf_tm_node *tm_node;
 108
 109        if (vf->tm_conf.root && vf->tm_conf.root->id == node_id) {
 110                *node_type = IAVF_TM_NODE_TYPE_PORT;
 111                return vf->tm_conf.root;
 112        }
 113
 114        TAILQ_FOREACH(tm_node, tc_list, node) {
 115                if (tm_node->id == node_id) {
 116                        *node_type = IAVF_TM_NODE_TYPE_TC;
 117                        return tm_node;
 118                }
 119        }
 120
 121        TAILQ_FOREACH(tm_node, queue_list, node) {
 122                if (tm_node->id == node_id) {
 123                        *node_type = IAVF_TM_NODE_TYPE_QUEUE;
 124                        return tm_node;
 125                }
 126        }
 127
 128        return NULL;
 129}
 130
 131static int
 132iavf_node_param_check(struct iavf_info *vf, uint32_t node_id,
 133                      uint32_t priority, uint32_t weight,
 134                      struct rte_tm_node_params *params,
 135                      struct rte_tm_error *error)
 136{
 137        /* checked all the unsupported parameter */
 138        if (node_id == RTE_TM_NODE_ID_NULL) {
 139                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 140                error->message = "invalid node id";
 141                return -EINVAL;
 142        }
 143
 144        if (priority) {
 145                error->type = RTE_TM_ERROR_TYPE_NODE_PRIORITY;
 146                error->message = "priority should be 0";
 147                return -EINVAL;
 148        }
 149
 150        if (weight != 1) {
 151                error->type = RTE_TM_ERROR_TYPE_NODE_WEIGHT;
 152                error->message = "weight must be 1";
 153                return -EINVAL;
 154        }
 155
 156        /* not support shared shaper */
 157        if (params->shared_shaper_id) {
 158                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_SHAPER_ID;
 159                error->message = "shared shaper not supported";
 160                return -EINVAL;
 161        }
 162        if (params->n_shared_shapers) {
 163                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_SHAPERS;
 164                error->message = "shared shaper not supported";
 165                return -EINVAL;
 166        }
 167
 168        /* for non-leaf node */
 169        if (node_id >= vf->num_queue_pairs) {
 170                if (params->nonleaf.wfq_weight_mode) {
 171                        error->type =
 172                                RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
 173                        error->message = "WFQ not supported";
 174                        return -EINVAL;
 175                }
 176                if (params->nonleaf.n_sp_priorities != 1) {
 177                        error->type =
 178                                RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SP_PRIORITIES;
 179                        error->message = "SP priority not supported";
 180                        return -EINVAL;
 181                } else if (params->nonleaf.wfq_weight_mode &&
 182                           !(*params->nonleaf.wfq_weight_mode)) {
 183                        error->type =
 184                                RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
 185                        error->message = "WFP should be byte mode";
 186                        return -EINVAL;
 187                }
 188
 189                return 0;
 190        }
 191
 192        /* for leaf node */
 193        if (params->leaf.cman) {
 194                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_CMAN;
 195                error->message = "Congestion management not supported";
 196                return -EINVAL;
 197        }
 198        if (params->leaf.wred.wred_profile_id !=
 199            RTE_TM_WRED_PROFILE_ID_NONE) {
 200                error->type =
 201                        RTE_TM_ERROR_TYPE_NODE_PARAMS_WRED_PROFILE_ID;
 202                error->message = "WRED not supported";
 203                return -EINVAL;
 204        }
 205        if (params->leaf.wred.shared_wred_context_id) {
 206                error->type =
 207                        RTE_TM_ERROR_TYPE_NODE_PARAMS_SHARED_WRED_CONTEXT_ID;
 208                error->message = "WRED not supported";
 209                return -EINVAL;
 210        }
 211        if (params->leaf.wred.n_shared_wred_contexts) {
 212                error->type =
 213                        RTE_TM_ERROR_TYPE_NODE_PARAMS_N_SHARED_WRED_CONTEXTS;
 214                error->message = "WRED not supported";
 215                return -EINVAL;
 216        }
 217
 218        return 0;
 219}
 220
 221static int
 222iavf_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
 223                   int *is_leaf, struct rte_tm_error *error)
 224{
 225        enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 226        struct iavf_tm_node *tm_node;
 227
 228        if (!is_leaf || !error)
 229                return -EINVAL;
 230
 231        if (node_id == RTE_TM_NODE_ID_NULL) {
 232                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 233                error->message = "invalid node id";
 234                return -EINVAL;
 235        }
 236
 237        /* check if the node id exists */
 238        tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 239        if (!tm_node) {
 240                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 241                error->message = "no such node";
 242                return -EINVAL;
 243        }
 244
 245        if (node_type == IAVF_TM_NODE_TYPE_QUEUE)
 246                *is_leaf = true;
 247        else
 248                *is_leaf = false;
 249
 250        return 0;
 251}
 252
 253static inline struct iavf_tm_shaper_profile *
 254iavf_shaper_profile_search(struct rte_eth_dev *dev,
 255                           uint32_t shaper_profile_id)
 256{
 257        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 258        struct iavf_shaper_profile_list *shaper_profile_list =
 259                &vf->tm_conf.shaper_profile_list;
 260        struct iavf_tm_shaper_profile *shaper_profile;
 261
 262        TAILQ_FOREACH(shaper_profile, shaper_profile_list, node) {
 263                if (shaper_profile_id == shaper_profile->shaper_profile_id)
 264                        return shaper_profile;
 265        }
 266
 267        return NULL;
 268}
 269
 270static int
 271iavf_tm_node_add(struct rte_eth_dev *dev, uint32_t node_id,
 272              uint32_t parent_node_id, uint32_t priority,
 273              uint32_t weight, uint32_t level_id,
 274              struct rte_tm_node_params *params,
 275              struct rte_tm_error *error)
 276{
 277        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 278        enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 279        enum iavf_tm_node_type parent_node_type = IAVF_TM_NODE_TYPE_MAX;
 280        struct iavf_tm_shaper_profile *shaper_profile = NULL;
 281        struct iavf_tm_node *tm_node;
 282        struct iavf_tm_node *parent_node;
 283        uint16_t tc_nb = vf->qos_cap->num_elem;
 284        int ret;
 285
 286        if (!params || !error)
 287                return -EINVAL;
 288
 289        /* if already committed */
 290        if (vf->tm_conf.committed) {
 291                error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
 292                error->message = "already committed";
 293                return -EINVAL;
 294        }
 295
 296        ret = iavf_node_param_check(vf, node_id, priority, weight,
 297                                    params, error);
 298        if (ret)
 299                return ret;
 300
 301        /* check if the node is already existed */
 302        if (iavf_tm_node_search(dev, node_id, &node_type)) {
 303                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 304                error->message = "node id already used";
 305                return -EINVAL;
 306        }
 307
 308        /* check the shaper profile id */
 309        if (params->shaper_profile_id != RTE_TM_SHAPER_PROFILE_ID_NONE) {
 310                shaper_profile = iavf_shaper_profile_search(dev,
 311                        params->shaper_profile_id);
 312                if (!shaper_profile) {
 313                        error->type =
 314                                RTE_TM_ERROR_TYPE_NODE_PARAMS_SHAPER_PROFILE_ID;
 315                        error->message = "shaper profile not exist";
 316                        return -EINVAL;
 317                }
 318        }
 319
 320        /* root node if not have a parent */
 321        if (parent_node_id == RTE_TM_NODE_ID_NULL) {
 322                /* check level */
 323                if (level_id != IAVF_TM_NODE_TYPE_PORT) {
 324                        error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 325                        error->message = "Wrong level";
 326                        return -EINVAL;
 327                }
 328
 329                /* obviously no more than one root */
 330                if (vf->tm_conf.root) {
 331                        error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 332                        error->message = "already have a root";
 333                        return -EINVAL;
 334                }
 335
 336                /* add the root node */
 337                tm_node = rte_zmalloc("iavf_tm_node",
 338                                      sizeof(struct iavf_tm_node),
 339                                      0);
 340                if (!tm_node)
 341                        return -ENOMEM;
 342                tm_node->id = node_id;
 343                tm_node->parent = NULL;
 344                tm_node->reference_count = 0;
 345                rte_memcpy(&tm_node->params, params,
 346                                 sizeof(struct rte_tm_node_params));
 347                vf->tm_conf.root = tm_node;
 348                return 0;
 349        }
 350
 351        /* TC or queue node */
 352        /* check the parent node */
 353        parent_node = iavf_tm_node_search(dev, parent_node_id,
 354                                          &parent_node_type);
 355        if (!parent_node) {
 356                error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 357                error->message = "parent not exist";
 358                return -EINVAL;
 359        }
 360        if (parent_node_type != IAVF_TM_NODE_TYPE_PORT &&
 361            parent_node_type != IAVF_TM_NODE_TYPE_TC) {
 362                error->type = RTE_TM_ERROR_TYPE_NODE_PARENT_NODE_ID;
 363                error->message = "parent is not root or TC";
 364                return -EINVAL;
 365        }
 366        /* check level */
 367        if (level_id != RTE_TM_NODE_LEVEL_ID_ANY &&
 368            level_id != (uint32_t)parent_node_type + 1) {
 369                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 370                error->message = "Wrong level";
 371                return -EINVAL;
 372        }
 373
 374        /* check the node number */
 375        if (parent_node_type == IAVF_TM_NODE_TYPE_PORT) {
 376                /* check the TC number */
 377                if (vf->tm_conf.nb_tc_node >= tc_nb) {
 378                        error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 379                        error->message = "too many TCs";
 380                        return -EINVAL;
 381                }
 382        } else {
 383                /* check the queue number */
 384                if (parent_node->reference_count >= vf->num_queue_pairs) {
 385                        error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 386                        error->message = "too many queues";
 387                        return -EINVAL;
 388                }
 389                if (node_id >= vf->num_queue_pairs) {
 390                        error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 391                        error->message = "too large queue id";
 392                        return -EINVAL;
 393                }
 394        }
 395
 396        /* add the TC or queue node */
 397        tm_node = rte_zmalloc("iavf_tm_node",
 398                              sizeof(struct iavf_tm_node),
 399                              0);
 400        if (!tm_node)
 401                return -ENOMEM;
 402        tm_node->id = node_id;
 403        tm_node->reference_count = 0;
 404        tm_node->parent = parent_node;
 405        tm_node->shaper_profile = shaper_profile;
 406        rte_memcpy(&tm_node->params, params,
 407                         sizeof(struct rte_tm_node_params));
 408        if (parent_node_type == IAVF_TM_NODE_TYPE_PORT) {
 409                TAILQ_INSERT_TAIL(&vf->tm_conf.tc_list,
 410                                  tm_node, node);
 411                tm_node->tc = vf->tm_conf.nb_tc_node;
 412                vf->tm_conf.nb_tc_node++;
 413        } else {
 414                TAILQ_INSERT_TAIL(&vf->tm_conf.queue_list,
 415                                  tm_node, node);
 416                tm_node->tc = parent_node->tc;
 417                vf->tm_conf.nb_queue_node++;
 418        }
 419        tm_node->parent->reference_count++;
 420
 421        /* increase the reference counter of the shaper profile */
 422        if (shaper_profile)
 423                shaper_profile->reference_count++;
 424
 425        return 0;
 426}
 427
 428static int
 429iavf_tm_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 430                 struct rte_tm_error *error)
 431{
 432        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 433        enum iavf_tm_node_type node_type = IAVF_TM_NODE_TYPE_MAX;
 434        struct iavf_tm_node *tm_node;
 435
 436        if (!error)
 437                return -EINVAL;
 438
 439        /* if already committed */
 440        if (vf->tm_conf.committed) {
 441                error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
 442                error->message = "already committed";
 443                return -EINVAL;
 444        }
 445
 446        if (node_id == RTE_TM_NODE_ID_NULL) {
 447                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 448                error->message = "invalid node id";
 449                return -EINVAL;
 450        }
 451
 452        /* check if the node id exists */
 453        tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 454        if (!tm_node) {
 455                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 456                error->message = "no such node";
 457                return -EINVAL;
 458        }
 459
 460        /* the node should have no child */
 461        if (tm_node->reference_count) {
 462                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 463                error->message =
 464                        "cannot delete a node which has children";
 465                return -EINVAL;
 466        }
 467
 468        /* root node */
 469        if (node_type == IAVF_TM_NODE_TYPE_PORT) {
 470                rte_free(tm_node);
 471                vf->tm_conf.root = NULL;
 472                return 0;
 473        }
 474
 475        /* TC or queue node */
 476        tm_node->parent->reference_count--;
 477        if (node_type == IAVF_TM_NODE_TYPE_TC) {
 478                TAILQ_REMOVE(&vf->tm_conf.tc_list, tm_node, node);
 479                vf->tm_conf.nb_tc_node--;
 480        } else {
 481                TAILQ_REMOVE(&vf->tm_conf.queue_list, tm_node, node);
 482                vf->tm_conf.nb_queue_node--;
 483        }
 484        rte_free(tm_node);
 485
 486        return 0;
 487}
 488
 489static int
 490iavf_shaper_profile_param_check(struct rte_tm_shaper_params *profile,
 491                                struct rte_tm_error *error)
 492{
 493        /* min bucket size not supported */
 494        if (profile->committed.size) {
 495                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_SIZE;
 496                error->message = "committed bucket size not supported";
 497                return -EINVAL;
 498        }
 499        /* max bucket size not supported */
 500        if (profile->peak.size) {
 501                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PEAK_SIZE;
 502                error->message = "peak bucket size not supported";
 503                return -EINVAL;
 504        }
 505        /* length adjustment not supported */
 506        if (profile->pkt_length_adjust) {
 507                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PKT_ADJUST_LEN;
 508                error->message = "packet length adjustment not supported";
 509                return -EINVAL;
 510        }
 511
 512        return 0;
 513}
 514
 515static int
 516iavf_shaper_profile_add(struct rte_eth_dev *dev,
 517                        uint32_t shaper_profile_id,
 518                        struct rte_tm_shaper_params *profile,
 519                        struct rte_tm_error *error)
 520{
 521        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 522        struct iavf_tm_shaper_profile *shaper_profile;
 523        int ret;
 524
 525        if (!profile || !error)
 526                return -EINVAL;
 527
 528        ret = iavf_shaper_profile_param_check(profile, error);
 529        if (ret)
 530                return ret;
 531
 532        shaper_profile = iavf_shaper_profile_search(dev, shaper_profile_id);
 533
 534        if (shaper_profile) {
 535                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
 536                error->message = "profile ID exist";
 537                return -EINVAL;
 538        }
 539
 540        shaper_profile = rte_zmalloc("iavf_tm_shaper_profile",
 541                                     sizeof(struct iavf_tm_shaper_profile),
 542                                     0);
 543        if (!shaper_profile)
 544                return -ENOMEM;
 545        shaper_profile->shaper_profile_id = shaper_profile_id;
 546        rte_memcpy(&shaper_profile->profile, profile,
 547                         sizeof(struct rte_tm_shaper_params));
 548        TAILQ_INSERT_TAIL(&vf->tm_conf.shaper_profile_list,
 549                          shaper_profile, node);
 550
 551        return 0;
 552}
 553
 554static int
 555iavf_shaper_profile_del(struct rte_eth_dev *dev,
 556                        uint32_t shaper_profile_id,
 557                        struct rte_tm_error *error)
 558{
 559        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 560        struct iavf_tm_shaper_profile *shaper_profile;
 561
 562        if (!error)
 563                return -EINVAL;
 564
 565        shaper_profile = iavf_shaper_profile_search(dev, shaper_profile_id);
 566
 567        if (!shaper_profile) {
 568                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
 569                error->message = "profile ID not exist";
 570                return -EINVAL;
 571        }
 572
 573        /* don't delete a profile if it's used by one or several nodes */
 574        if (shaper_profile->reference_count) {
 575                error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
 576                error->message = "profile in use";
 577                return -EINVAL;
 578        }
 579
 580        TAILQ_REMOVE(&vf->tm_conf.shaper_profile_list, shaper_profile, node);
 581        rte_free(shaper_profile);
 582
 583        return 0;
 584}
 585
 586static int
 587iavf_tm_capabilities_get(struct rte_eth_dev *dev,
 588                         struct rte_tm_capabilities *cap,
 589                         struct rte_tm_error *error)
 590{
 591        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 592        uint16_t tc_nb = vf->qos_cap->num_elem;
 593
 594        if (!cap || !error)
 595                return -EINVAL;
 596
 597        if (tc_nb > vf->vf_res->num_queue_pairs)
 598                return -EINVAL;
 599
 600        error->type = RTE_TM_ERROR_TYPE_NONE;
 601
 602        /* set all the parameters to 0 first. */
 603        memset(cap, 0, sizeof(struct rte_tm_capabilities));
 604
 605        /**
 606         * support port + TCs + queues
 607         * here shows the max capability not the current configuration.
 608         */
 609        cap->n_nodes_max = 1 + IAVF_MAX_TRAFFIC_CLASS
 610                + vf->num_queue_pairs;
 611        cap->n_levels_max = 3; /* port, TC, queue */
 612        cap->non_leaf_nodes_identical = 1;
 613        cap->leaf_nodes_identical = 1;
 614        cap->shaper_n_max = cap->n_nodes_max;
 615        cap->shaper_private_n_max = cap->n_nodes_max;
 616        cap->shaper_private_dual_rate_n_max = 0;
 617        cap->shaper_private_rate_min = 0;
 618        /* Bytes per second */
 619        cap->shaper_private_rate_max =
 620                (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 621        cap->shaper_private_packet_mode_supported = 0;
 622        cap->shaper_private_byte_mode_supported = 1;
 623        cap->shaper_shared_n_max = 0;
 624        cap->shaper_shared_n_nodes_per_shaper_max = 0;
 625        cap->shaper_shared_n_shapers_per_node_max = 0;
 626        cap->shaper_shared_dual_rate_n_max = 0;
 627        cap->shaper_shared_rate_min = 0;
 628        cap->shaper_shared_rate_max = 0;
 629        cap->shaper_shared_packet_mode_supported = 0;
 630        cap->shaper_shared_byte_mode_supported = 0;
 631        cap->sched_n_children_max = vf->num_queue_pairs;
 632        cap->sched_sp_n_priorities_max = 1;
 633        cap->sched_wfq_n_children_per_group_max = 0;
 634        cap->sched_wfq_n_groups_max = 0;
 635        cap->sched_wfq_weight_max = 1;
 636        cap->sched_wfq_packet_mode_supported = 0;
 637        cap->sched_wfq_byte_mode_supported = 0;
 638        cap->cman_head_drop_supported = 0;
 639        cap->dynamic_update_mask = 0;
 640        cap->shaper_pkt_length_adjust_min = RTE_TM_ETH_FRAMING_OVERHEAD;
 641        cap->shaper_pkt_length_adjust_max = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 642        cap->cman_wred_context_n_max = 0;
 643        cap->cman_wred_context_private_n_max = 0;
 644        cap->cman_wred_context_shared_n_max = 0;
 645        cap->cman_wred_context_shared_n_nodes_per_context_max = 0;
 646        cap->cman_wred_context_shared_n_contexts_per_node_max = 0;
 647        cap->stats_mask = 0;
 648
 649        return 0;
 650}
 651
 652static int
 653iavf_level_capabilities_get(struct rte_eth_dev *dev,
 654                            uint32_t level_id,
 655                            struct rte_tm_level_capabilities *cap,
 656                            struct rte_tm_error *error)
 657{
 658        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 659
 660        if (!cap || !error)
 661                return -EINVAL;
 662
 663        if (level_id >= IAVF_TM_NODE_TYPE_MAX) {
 664                error->type = RTE_TM_ERROR_TYPE_LEVEL_ID;
 665                error->message = "too deep level";
 666                return -EINVAL;
 667        }
 668
 669        /* root node */
 670        if (level_id == IAVF_TM_NODE_TYPE_PORT) {
 671                cap->n_nodes_max = 1;
 672                cap->n_nodes_nonleaf_max = 1;
 673                cap->n_nodes_leaf_max = 0;
 674        } else if (level_id == IAVF_TM_NODE_TYPE_TC) {
 675                /* TC */
 676                cap->n_nodes_max = IAVF_MAX_TRAFFIC_CLASS;
 677                cap->n_nodes_nonleaf_max = IAVF_MAX_TRAFFIC_CLASS;
 678                cap->n_nodes_leaf_max = 0;
 679        } else {
 680                /* queue */
 681                cap->n_nodes_max = vf->num_queue_pairs;
 682                cap->n_nodes_nonleaf_max = 0;
 683                cap->n_nodes_leaf_max = vf->num_queue_pairs;
 684        }
 685
 686        cap->non_leaf_nodes_identical = true;
 687        cap->leaf_nodes_identical = true;
 688
 689        if (level_id != IAVF_TM_NODE_TYPE_QUEUE) {
 690                cap->nonleaf.shaper_private_supported = true;
 691                cap->nonleaf.shaper_private_dual_rate_supported = false;
 692                cap->nonleaf.shaper_private_rate_min = 0;
 693                /* Bytes per second */
 694                cap->nonleaf.shaper_private_rate_max =
 695                        (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 696                cap->nonleaf.shaper_private_packet_mode_supported = 0;
 697                cap->nonleaf.shaper_private_byte_mode_supported = 1;
 698                cap->nonleaf.shaper_shared_n_max = 0;
 699                cap->nonleaf.shaper_shared_packet_mode_supported = 0;
 700                cap->nonleaf.shaper_shared_byte_mode_supported = 0;
 701                if (level_id == IAVF_TM_NODE_TYPE_PORT)
 702                        cap->nonleaf.sched_n_children_max =
 703                                IAVF_MAX_TRAFFIC_CLASS;
 704                else
 705                        cap->nonleaf.sched_n_children_max =
 706                                vf->num_queue_pairs;
 707                cap->nonleaf.sched_sp_n_priorities_max = 1;
 708                cap->nonleaf.sched_wfq_n_children_per_group_max = 0;
 709                cap->nonleaf.sched_wfq_n_groups_max = 0;
 710                cap->nonleaf.sched_wfq_weight_max = 1;
 711                cap->nonleaf.sched_wfq_packet_mode_supported = 0;
 712                cap->nonleaf.sched_wfq_byte_mode_supported = 0;
 713                cap->nonleaf.stats_mask = 0;
 714
 715                return 0;
 716        }
 717
 718        /* queue node */
 719        cap->leaf.shaper_private_supported = false;
 720        cap->leaf.shaper_private_dual_rate_supported = false;
 721        cap->leaf.shaper_private_rate_min = 0;
 722        /* Bytes per second */
 723        cap->leaf.shaper_private_rate_max =
 724                (uint64_t)vf->link_speed * 1000000 / IAVF_BITS_PER_BYTE;
 725        cap->leaf.shaper_private_packet_mode_supported = 0;
 726        cap->leaf.shaper_private_byte_mode_supported = 1;
 727        cap->leaf.shaper_shared_n_max = 0;
 728        cap->leaf.shaper_shared_packet_mode_supported = 0;
 729        cap->leaf.shaper_shared_byte_mode_supported = 0;
 730        cap->leaf.cman_head_drop_supported = false;
 731        cap->leaf.cman_wred_context_private_supported = true;
 732        cap->leaf.cman_wred_context_shared_n_max = 0;
 733        cap->leaf.stats_mask = 0;
 734
 735        return 0;
 736}
 737
 738static int
 739iavf_node_capabilities_get(struct rte_eth_dev *dev,
 740                           uint32_t node_id,
 741                           struct rte_tm_node_capabilities *cap,
 742                           struct rte_tm_error *error)
 743{
 744        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 745        enum iavf_tm_node_type node_type;
 746        struct virtchnl_qos_cap_elem tc_cap;
 747        struct iavf_tm_node *tm_node;
 748
 749        if (!cap || !error)
 750                return -EINVAL;
 751
 752        if (node_id == RTE_TM_NODE_ID_NULL) {
 753                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 754                error->message = "invalid node id";
 755                return -EINVAL;
 756        }
 757
 758        /* check if the node id exists */
 759        tm_node = iavf_tm_node_search(dev, node_id, &node_type);
 760        if (!tm_node) {
 761                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
 762                error->message = "no such node";
 763                return -EINVAL;
 764        }
 765
 766        if (node_type != IAVF_TM_NODE_TYPE_TC) {
 767                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 768                error->message = "not support capability get";
 769                return -EINVAL;
 770        }
 771
 772        tc_cap = vf->qos_cap->cap[tm_node->tc];
 773        if (tc_cap.tc_num != tm_node->tc) {
 774                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS;
 775                error->message = "tc not match";
 776                return -EINVAL;
 777        }
 778
 779        cap->shaper_private_supported = true;
 780        cap->shaper_private_dual_rate_supported = false;
 781        /* Bytes per second */
 782        cap->shaper_private_rate_min =
 783                (uint64_t)tc_cap.shaper.committed * 1000 / IAVF_BITS_PER_BYTE;
 784        cap->shaper_private_rate_max =
 785                (uint64_t)tc_cap.shaper.peak * 1000 / IAVF_BITS_PER_BYTE;
 786        cap->shaper_shared_n_max = 0;
 787        cap->nonleaf.sched_n_children_max = vf->num_queue_pairs;
 788        cap->nonleaf.sched_sp_n_priorities_max = 1;
 789        cap->nonleaf.sched_wfq_n_children_per_group_max = 1;
 790        cap->nonleaf.sched_wfq_n_groups_max = 0;
 791        cap->nonleaf.sched_wfq_weight_max = tc_cap.weight;
 792        cap->stats_mask = 0;
 793
 794        return 0;
 795}
 796
 797static int iavf_hierarchy_commit(struct rte_eth_dev *dev,
 798                                 int clear_on_fail,
 799                                 __rte_unused struct rte_tm_error *error)
 800{
 801        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 802        struct iavf_adapter *adapter =
 803                IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 804        struct virtchnl_queue_tc_mapping *q_tc_mapping;
 805        struct virtchnl_queues_bw_cfg *q_bw;
 806        struct iavf_tm_node_list *queue_list = &vf->tm_conf.queue_list;
 807        struct iavf_tm_node *tm_node;
 808        struct iavf_qtc_map *qtc_map;
 809        uint16_t size, size_q;
 810        int index = 0, node_committed = 0;
 811        int i, ret_val = IAVF_SUCCESS;
 812
 813        /* check if port is stopped */
 814        if (adapter->stopped != 1) {
 815                PMD_DRV_LOG(ERR, "Please stop port first");
 816                ret_val = IAVF_ERR_NOT_READY;
 817                goto err;
 818        }
 819
 820        if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)) {
 821                PMD_DRV_LOG(ERR, "VF queue tc mapping is not supported");
 822                ret_val = IAVF_NOT_SUPPORTED;
 823                goto fail_clear;
 824        }
 825
 826        /* check if all TC nodes are set with VF vsi */
 827        if (vf->tm_conf.nb_tc_node != vf->qos_cap->num_elem) {
 828                PMD_DRV_LOG(ERR, "Does not set VF vsi nodes to all TCs");
 829                ret_val = IAVF_ERR_PARAM;
 830                goto fail_clear;
 831        }
 832
 833        size = sizeof(*q_tc_mapping) + sizeof(q_tc_mapping->tc[0]) *
 834                (vf->qos_cap->num_elem - 1);
 835        q_tc_mapping = rte_zmalloc("q_tc", size, 0);
 836        if (!q_tc_mapping) {
 837                ret_val = IAVF_ERR_NO_MEMORY;
 838                goto fail_clear;
 839        }
 840
 841        size_q = sizeof(*q_bw) + sizeof(q_bw->cfg[0]) *
 842                (vf->num_queue_pairs - 1);
 843        q_bw = rte_zmalloc("q_bw", size_q, 0);
 844        if (!q_bw) {
 845                ret_val = IAVF_ERR_NO_MEMORY;
 846                goto fail_clear;
 847        }
 848
 849        q_tc_mapping->vsi_id = vf->vsi.vsi_id;
 850        q_tc_mapping->num_tc = vf->qos_cap->num_elem;
 851        q_tc_mapping->num_queue_pairs = vf->num_queue_pairs;
 852
 853        q_bw->vsi_id = vf->vsi.vsi_id;
 854        q_bw->num_queues = vf->num_queue_pairs;
 855
 856        TAILQ_FOREACH(tm_node, queue_list, node) {
 857                if (tm_node->tc >= q_tc_mapping->num_tc) {
 858                        PMD_DRV_LOG(ERR, "TC%d is not enabled", tm_node->tc);
 859                        ret_val = IAVF_ERR_PARAM;
 860                        goto fail_clear;
 861                }
 862                q_tc_mapping->tc[tm_node->tc].req.queue_count++;
 863
 864                if (tm_node->shaper_profile) {
 865                        q_bw->cfg[node_committed].queue_id = node_committed;
 866                        q_bw->cfg[node_committed].shaper.peak =
 867                        tm_node->shaper_profile->profile.peak.rate /
 868                        1000 * IAVF_BITS_PER_BYTE;
 869                        q_bw->cfg[node_committed].shaper.committed =
 870                        tm_node->shaper_profile->profile.committed.rate /
 871                        1000 * IAVF_BITS_PER_BYTE;
 872                        q_bw->cfg[node_committed].tc = tm_node->tc;
 873                }
 874
 875                node_committed++;
 876        }
 877
 878        /* All queues allocated to this VF should be mapped */
 879        if (node_committed < vf->num_queue_pairs) {
 880                PMD_DRV_LOG(ERR, "queue node is less than allocated queue pairs");
 881                ret_val = IAVF_ERR_PARAM;
 882                goto fail_clear;
 883        }
 884
 885        ret_val = iavf_set_q_bw(dev, q_bw, size_q);
 886        if (ret_val)
 887                goto fail_clear;
 888
 889        /* store the queue TC mapping info */
 890        qtc_map = rte_zmalloc("qtc_map",
 891                sizeof(struct iavf_qtc_map) * q_tc_mapping->num_tc, 0);
 892        if (!qtc_map)
 893                return IAVF_ERR_NO_MEMORY;
 894
 895        for (i = 0; i < q_tc_mapping->num_tc; i++) {
 896                q_tc_mapping->tc[i].req.start_queue_id = index;
 897                index += q_tc_mapping->tc[i].req.queue_count;
 898                qtc_map[i].tc = i;
 899                qtc_map[i].start_queue_id =
 900                        q_tc_mapping->tc[i].req.start_queue_id;
 901                qtc_map[i].queue_count = q_tc_mapping->tc[i].req.queue_count;
 902        }
 903
 904        ret_val = iavf_set_q_tc_map(dev, q_tc_mapping, size);
 905        if (ret_val)
 906                goto fail_clear;
 907
 908        vf->qtc_map = qtc_map;
 909        vf->tm_conf.committed = true;
 910        return ret_val;
 911
 912fail_clear:
 913        /* clear all the traffic manager configuration */
 914        if (clear_on_fail) {
 915                iavf_tm_conf_uninit(dev);
 916                iavf_tm_conf_init(dev);
 917        }
 918err:
 919        return ret_val;
 920}
 921