drivers/net/bnxt/tf_ulp/ulp_fc_mgr.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2021 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_common.h>
   7 #include <rte_cycles.h>
   8 #include <rte_malloc.h>
   9 #include <rte_log.h>
  10 #include <rte_alarm.h>
  11 #include "bnxt.h"
  12 #include "bnxt_ulp.h"
  13 #include "bnxt_tf_common.h"
  14 #include "ulp_fc_mgr.h"
  15 #include "ulp_flow_db.h"
  16 #include "ulp_template_db_enum.h"
  17 #include "ulp_template_struct.h"
  18 #include "tf_tbl.h"
  19
  20 static int
  21 ulp_fc_mgr_shadow_mem_alloc(struct hw_fc_mem_info *parms, int size)
  22 {
  23         /* Allocate memory*/
  24         if (!parms)
  25                 return -EINVAL;
  26
  27         parms->mem_va = rte_zmalloc("ulp_fc_info",
  28                                     RTE_CACHE_LINE_ROUNDUP(size),
  29                                     4096);
  30         if (!parms->mem_va) {
  31                 BNXT_TF_DBG(ERR, "Allocate failed mem_va\n");
  32                 return -ENOMEM;
  33         }
  34
  35         rte_mem_lock_page(parms->mem_va);
  36
  37         parms->mem_pa = (void *)(uintptr_t)rte_mem_virt2phy(parms->mem_va);
  38         if (parms->mem_pa == (void *)(uintptr_t)RTE_BAD_IOVA) {
  39                 BNXT_TF_DBG(ERR, "Allocate failed mem_pa\n");
  40                 return -ENOMEM;
  41         }
  42
  43         return 0;
  44 }
  45
  46 static void
  47 ulp_fc_mgr_shadow_mem_free(struct hw_fc_mem_info *parms)
  48 {
  49         rte_free(parms->mem_va);
  50 }
  51
  52 /*
  53  * Allocate and Initialize all Flow Counter Manager resources for this ulp
  54  * context.
  55  *
  56  * ctxt [in] The ulp context for the Flow Counter manager.
  57  *
  58  */
  59 int32_t
  60 ulp_fc_mgr_init(struct bnxt_ulp_context *ctxt)
  61 {
  62         struct bnxt_ulp_device_params *dparms;
  63         uint32_t dev_id, sw_acc_cntr_tbl_sz, hw_fc_mem_info_sz;
  64         struct bnxt_ulp_fc_info *ulp_fc_info;
  65         int i, rc;
  66
  67         if (!ctxt) {
  68                 BNXT_TF_DBG(DEBUG, "Invalid ULP CTXT\n");
  69                 return -EINVAL;
  70         }
  71
  72         if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
  73                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
  74                 return -EINVAL;
  75         }
  76
  77         dparms = bnxt_ulp_device_params_get(dev_id);
  78         if (!dparms) {
  79                 BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
  80                 return -EINVAL;
  81         }
  82
  83         ulp_fc_info = rte_zmalloc("ulp_fc_info", sizeof(*ulp_fc_info), 0);
  84         if (!ulp_fc_info)
  85                 goto error;
  86
  87         rc = pthread_mutex_init(&ulp_fc_info->fc_lock, NULL);
  88         if (rc) {
  89                 PMD_DRV_LOG(ERR, "Failed to initialize fc mutex\n");
  90                 goto error;
  91         }
  92
  93         /* Add the FC info tbl to the ulp context. */
  94         bnxt_ulp_cntxt_ptr2_fc_info_set(ctxt, ulp_fc_info);
  95
  96         sw_acc_cntr_tbl_sz = sizeof(struct sw_acc_counter) *
  97                                 dparms->flow_count_db_entries;
  98
  99         for (i = 0; i < TF_DIR_MAX; i++) {
 100                 ulp_fc_info->sw_acc_tbl[i] = rte_zmalloc("ulp_sw_acc_cntr_tbl",
 101                                                          sw_acc_cntr_tbl_sz, 0);
 102                 if (!ulp_fc_info->sw_acc_tbl[i])
 103                         goto error;
 104         }
 105
 106         hw_fc_mem_info_sz = sizeof(uint64_t) * dparms->flow_count_db_entries;
 107
 108         for (i = 0; i < TF_DIR_MAX; i++) {
 109                 rc = ulp_fc_mgr_shadow_mem_alloc(&ulp_fc_info->shadow_hw_tbl[i],
 110                                                  hw_fc_mem_info_sz);
 111                 if (rc)
 112                         goto error;
 113         }
 114
 115         return 0;
 116
 117 error:
 118         ulp_fc_mgr_deinit(ctxt);
 119         BNXT_TF_DBG(DEBUG,
 120                     "Failed to allocate memory for fc mgr\n");
 121
 122         return -ENOMEM;
 123 }
 124
 125 /*
 126  * Release all resources in the Flow Counter Manager for this ulp context
 127  *
 128  * ctxt [in] The ulp context for the Flow Counter manager
 129  *
 130  */
 131 int32_t
 132 ulp_fc_mgr_deinit(struct bnxt_ulp_context *ctxt)
 133 {
 134         struct bnxt_ulp_fc_info *ulp_fc_info;
 135         int i;
 136
 137         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 138
 139         if (!ulp_fc_info)
 140                 return -EINVAL;
 141
 142         ulp_fc_mgr_thread_cancel(ctxt);
 143
 144         pthread_mutex_destroy(&ulp_fc_info->fc_lock);
 145
 146         for (i = 0; i < TF_DIR_MAX; i++)
 147                 rte_free(ulp_fc_info->sw_acc_tbl[i]);
 148
 149         for (i = 0; i < TF_DIR_MAX; i++)
 150                 ulp_fc_mgr_shadow_mem_free(&ulp_fc_info->shadow_hw_tbl[i]);
 151
 152         rte_free(ulp_fc_info);
 153
 154         /* Safe to ignore on deinit */
 155         (void)bnxt_ulp_cntxt_ptr2_fc_info_set(ctxt, NULL);
 156
 157         return 0;
 158 }
 159
 160 /*
 161  * Check if the alarm thread that walks through the flows is started
 162  *
 163  * ctxt [in] The ulp context for the flow counter manager
 164  *
 165  */
 166 bool ulp_fc_mgr_thread_isstarted(struct bnxt_ulp_context *ctxt)
 167 {
 168         struct bnxt_ulp_fc_info *ulp_fc_info;
 169
 170         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 171
 172         return !!(ulp_fc_info->flags & ULP_FLAG_FC_THREAD);
 173 }
 174
 175 /*
 176  * Setup the Flow counter timer thread that will fetch/accumulate raw counter
 177  * data from the chip's internal flow counters
 178  *
 179  * ctxt [in] The ulp context for the flow counter manager
 180  *
 181  */
 182 int32_t
 183 ulp_fc_mgr_thread_start(struct bnxt_ulp_context *ctxt)
 184 {
 185         struct bnxt_ulp_fc_info *ulp_fc_info;
 186
 187         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 188
 189         if (!(ulp_fc_info->flags & ULP_FLAG_FC_THREAD)) {
 190                 rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
 191                                   ulp_fc_mgr_alarm_cb,
 192                                   (void *)ctxt);
 193                 ulp_fc_info->flags |= ULP_FLAG_FC_THREAD;
 194         }
 195
 196         return 0;
 197 }
 198
 199 /*
 200  * Cancel the alarm handler
 201  *
 202  * ctxt [in] The ulp context for the flow counter manager
 203  *
 204  */
 205 void ulp_fc_mgr_thread_cancel(struct bnxt_ulp_context *ctxt)
 206 {
 207         struct bnxt_ulp_fc_info *ulp_fc_info;
 208
 209         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 210         if (!ulp_fc_info)
 211                 return;
 212
 213         ulp_fc_info->flags &= ~ULP_FLAG_FC_THREAD;
 214         rte_eal_alarm_cancel(ulp_fc_mgr_alarm_cb, (void *)ctxt);
 215 }
 216
 217 /*
 218  * DMA-in the raw counter data from the HW and accumulate in the
 219  * local accumulator table using the TF-Core API
 220  *
 221  * tfp [in] The TF-Core context
 222  *
 223  * fc_info [in] The ULP Flow counter info ptr
 224  *
 225  * dir [in] The direction of the flow
 226  *
 227  * num_counters [in] The number of counters
 228  *
 229  */
 230 __rte_unused static int32_t
 231 ulp_bulk_get_flow_stats(struct tf *tfp,
 232                         struct bnxt_ulp_fc_info *fc_info,
 233                         enum tf_dir dir,
 234                         struct bnxt_ulp_device_params *dparms)
 235 /* MARK AS UNUSED FOR NOW TO AVOID COMPILATION ERRORS TILL API is RESOLVED */
 236 {
 237         int rc = 0;
 238         struct tf_tbl_get_bulk_parms parms = { 0 };
 239         enum tf_tbl_type stype = TF_TBL_TYPE_ACT_STATS_64;  /* TBD: Template? */
 240         struct sw_acc_counter *sw_acc_tbl_entry = NULL;
 241         uint64_t *stats = NULL;
 242         uint16_t i = 0;
 243
 244         parms.dir = dir;
 245         parms.type = stype;
 246         parms.starting_idx = fc_info->shadow_hw_tbl[dir].start_idx;
 247         parms.num_entries = dparms->flow_count_db_entries / 2; /* direction */
 248         /*
 249          * TODO:
 250          * Size of an entry needs to obtained from template
 251          */
 252         parms.entry_sz_in_bytes = sizeof(uint64_t);
 253         stats = (uint64_t *)fc_info->shadow_hw_tbl[dir].mem_va;
 254         parms.physical_mem_addr = (uintptr_t)fc_info->shadow_hw_tbl[dir].mem_pa;
 255
 256         if (!stats) {
 257                 PMD_DRV_LOG(ERR,
 258                             "BULK: Memory not initialized id:0x%x dir:%d\n",
 259                             parms.starting_idx, dir);
 260                 return -EINVAL;
 261         }
 262
 263         rc = tf_tbl_bulk_get(tfp, &parms);
 264         if (rc) {
 265                 PMD_DRV_LOG(ERR,
 266                             "BULK: Get failed for id:0x%x rc:%d\n",
 267                             parms.starting_idx, rc);
 268                 return rc;
 269         }
 270
 271         for (i = 0; i < parms.num_entries; i++) {
 272                 /* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 273                 sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][i];
 274                 if (!sw_acc_tbl_entry->valid)
 275                         continue;
 276                 sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats[i],
 277                                                               dparms);
 278                 sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats[i],
 279                                                                 dparms);
 280         }
 281
 282         return rc;
 283 }
 284
 285 static int ulp_get_single_flow_stat(struct bnxt_ulp_context *ctxt,
 286                                     struct tf *tfp,
 287                                     struct bnxt_ulp_fc_info *fc_info,
 288                                     enum tf_dir dir,
 289                                     uint32_t hw_cntr_id,
 290                                     struct bnxt_ulp_device_params *dparms)
 291 {
 292         int rc = 0;
 293         struct tf_get_tbl_entry_parms parms = { 0 };
 294         enum tf_tbl_type stype = TF_TBL_TYPE_ACT_STATS_64;  /* TBD:Template? */
 295         struct sw_acc_counter *sw_acc_tbl_entry = NULL, *t_sw;
 296         uint64_t stats = 0;
 297         uint32_t sw_cntr_indx = 0;
 298
 299         parms.dir = dir;
 300         parms.type = stype;
 301         parms.idx = hw_cntr_id;
 302         /*
 303          * TODO:
 304          * Size of an entry needs to obtained from template
 305          */
 306         parms.data_sz_in_bytes = sizeof(uint64_t);
 307         parms.data = (uint8_t *)&stats;
 308         rc = tf_get_tbl_entry(tfp, &parms);
 309         if (rc) {
 310                 PMD_DRV_LOG(ERR,
 311                             "Get failed for id:0x%x rc:%d\n",
 312                             parms.idx, rc);
 313                 return rc;
 314         }
 315
 316         /* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 317         sw_cntr_indx = hw_cntr_id - fc_info->shadow_hw_tbl[dir].start_idx;
 318         sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][sw_cntr_indx];
 319         sw_acc_tbl_entry->pkt_count = FLOW_CNTR_PKTS(stats, dparms);
 320         sw_acc_tbl_entry->byte_count = FLOW_CNTR_BYTES(stats, dparms);
 321
 322         /* Update the parent counters if it is child flow */
 323         if (sw_acc_tbl_entry->parent_flow_id) {
 324                 /* Update the parent counters */
 325                 t_sw = sw_acc_tbl_entry;
 326                 if (ulp_flow_db_parent_flow_count_update(ctxt,
 327                                                          t_sw->parent_flow_id,
 328                                                          t_sw->pkt_count,
 329                                                          t_sw->byte_count)) {
 330                         PMD_DRV_LOG(ERR, "Error updating parent counters\n");
 331                 }
 332         }
 333
 334         return rc;
 335 }
 336
 337 /*
 338  * Alarm handler that will issue the TF-Core API to fetch
 339  * data from the chip's internal flow counters
 340  *
 341  * ctxt [in] The ulp context for the flow counter manager
 342  *
 343  */
 344
 345 void
 346 ulp_fc_mgr_alarm_cb(void *arg)
 347 {
 348         int rc = 0;
 349         unsigned int j;
 350         enum tf_dir i;
 351         struct bnxt_ulp_context *ctxt = arg;
 352         struct bnxt_ulp_fc_info *ulp_fc_info;
 353         struct bnxt_ulp_device_params *dparms;
 354         struct tf *tfp;
 355         uint32_t dev_id, hw_cntr_id = 0, num_entries = 0;
 356
 357         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 358         if (!ulp_fc_info)
 359                 return;
 360
 361         if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
 362                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
 363                 return;
 364         }
 365
 366         dparms = bnxt_ulp_device_params_get(dev_id);
 367         if (!dparms) {
 368                 BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
 369                 return;
 370         }
 371
 372         tfp = bnxt_ulp_cntxt_tfp_get(ctxt);
 373         if (!tfp) {
 374                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 375                 return;
 376         }
 377
 378         /*
 379          * Take the fc_lock to ensure no flow is destroyed
 380          * during the bulk get
 381          */
 382         if (pthread_mutex_trylock(&ulp_fc_info->fc_lock))
 383                 goto out;
 384
 385         if (!ulp_fc_info->num_entries) {
 386                 pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 387                 ulp_fc_mgr_thread_cancel(ctxt);
 388                 return;
 389         }
 390         /*
 391          * Commented for now till GET_BULK is resolved, just get the first flow
 392          * stat for now
 393          for (i = 0; i < TF_DIR_MAX; i++) {
 394                 rc = ulp_bulk_get_flow_stats(tfp, ulp_fc_info, i,
 395                                              dparms->flow_count_db_entries);
 396                 if (rc)
 397                         break;
 398         }
 399         */
 400
 401         /* reset the parent accumulation counters before accumulation if any */
 402         ulp_flow_db_parent_flow_count_reset(ctxt);
 403
 404         num_entries = dparms->flow_count_db_entries / 2;
 405         for (i = 0; i < TF_DIR_MAX; i++) {
 406                 for (j = 0; j < num_entries; j++) {
 407                         if (!ulp_fc_info->sw_acc_tbl[i][j].valid)
 408                                 continue;
 409                         hw_cntr_id = ulp_fc_info->sw_acc_tbl[i][j].hw_cntr_id;
 410                         rc = ulp_get_single_flow_stat(ctxt, tfp, ulp_fc_info, i,
 411                                                       hw_cntr_id, dparms);
 412                         if (rc)
 413                                 break;
 414                 }
 415         }
 416
 417         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 418
 419         /*
 420          * If cmd fails once, no need of
 421          * invoking again every second
 422          */
 423
 424         if (rc) {
 425                 ulp_fc_mgr_thread_cancel(ctxt);
 426                 return;
 427         }
 428 out:
 429         rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
 430                           ulp_fc_mgr_alarm_cb,
 431                           (void *)ctxt);
 432 }
 433
 434 /*
 435  * Set the starting index that indicates the first HW flow
 436  * counter ID
 437  *
 438  * ctxt [in] The ulp context for the flow counter manager
 439  *
 440  * dir [in] The direction of the flow
 441  *
 442  * start_idx [in] The HW flow counter ID
 443  *
 444  */
 445 bool ulp_fc_mgr_start_idx_isset(struct bnxt_ulp_context *ctxt, enum tf_dir dir)
 446 {
 447         struct bnxt_ulp_fc_info *ulp_fc_info;
 448
 449         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 450
 451         return ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set;
 452 }
 453
 454 /*
 455  * Set the starting index that indicates the first HW flow
 456  * counter ID
 457  *
 458  * ctxt [in] The ulp context for the flow counter manager
 459  *
 460  * dir [in] The direction of the flow
 461  *
 462  * start_idx [in] The HW flow counter ID
 463  *
 464  */
 465 int32_t ulp_fc_mgr_start_idx_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 466                                  uint32_t start_idx)
 467 {
 468         struct bnxt_ulp_fc_info *ulp_fc_info;
 469
 470         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 471
 472         if (!ulp_fc_info)
 473                 return -EIO;
 474
 475         if (!ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set) {
 476                 ulp_fc_info->shadow_hw_tbl[dir].start_idx = start_idx;
 477                 ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set = true;
 478         }
 479
 480         return 0;
 481 }
 482
 483 /*
 484  * Set the corresponding SW accumulator table entry based on
 485  * the difference between this counter ID and the starting
 486  * counter ID. Also, keep track of num of active counter enabled
 487  * flows.
 488  *
 489  * ctxt [in] The ulp context for the flow counter manager
 490  *
 491  * dir [in] The direction of the flow
 492  *
 493  * hw_cntr_id [in] The HW flow counter ID
 494  *
 495  */
 496 int32_t ulp_fc_mgr_cntr_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 497                             uint32_t hw_cntr_id)
 498 {
 499         struct bnxt_ulp_fc_info *ulp_fc_info;
 500         uint32_t sw_cntr_idx;
 501
 502         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 503         if (!ulp_fc_info)
 504                 return -EIO;
 505
 506         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 507         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 508         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = true;
 509         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].hw_cntr_id = hw_cntr_id;
 510         ulp_fc_info->num_entries++;
 511         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 512
 513         return 0;
 514 }
 515
 516 /*
 517  * Reset the corresponding SW accumulator table entry based on
 518  * the difference between this counter ID and the starting
 519  * counter ID.
 520  *
 521  * ctxt [in] The ulp context for the flow counter manager
 522  *
 523  * dir [in] The direction of the flow
 524  *
 525  * hw_cntr_id [in] The HW flow counter ID
 526  *
 527  */
 528 int32_t ulp_fc_mgr_cntr_reset(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 529                               uint32_t hw_cntr_id)
 530 {
 531         struct bnxt_ulp_fc_info *ulp_fc_info;
 532         uint32_t sw_cntr_idx;
 533
 534         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 535         if (!ulp_fc_info)
 536                 return -EIO;
 537
 538         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 539         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 540         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = false;
 541         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].hw_cntr_id = 0;
 542         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].pkt_count = 0;
 543         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].byte_count = 0;
 544         ulp_fc_info->num_entries--;
 545         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 546
 547         return 0;
 548 }
 549
 550 /*
 551  * Fill the rte_flow_query_count 'data' argument passed
 552  * in the rte_flow_query() with the values obtained and
 553  * accumulated locally.
 554  *
 555  * ctxt [in] The ulp context for the flow counter manager
 556  *
 557  * flow_id [in] The HW flow ID
 558  *
 559  * count [out] The rte_flow_query_count 'data' that is set
 560  *
 561  */
 562 int ulp_fc_mgr_query_count_get(struct bnxt_ulp_context *ctxt,
 563                                uint32_t flow_id,
 564                                struct rte_flow_query_count *count)
 565 {
 566         int rc = 0;
 567         uint32_t nxt_resource_index = 0;
 568         struct bnxt_ulp_fc_info *ulp_fc_info;
 569         struct ulp_flow_db_res_params params;
 570         enum tf_dir dir;
 571         uint32_t hw_cntr_id = 0, sw_cntr_idx = 0;
 572         struct sw_acc_counter *sw_acc_tbl_entry;
 573         bool found_cntr_resource = false;
 574
 575         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 576         if (!ulp_fc_info)
 577                 return -ENODEV;
 578
 579         if (bnxt_ulp_cntxt_acquire_fdb_lock(ctxt))
 580                 return -EIO;
 581
 582         do {
 583                 rc = ulp_flow_db_resource_get(ctxt,
 584                                               BNXT_ULP_FDB_TYPE_REGULAR,
 585                                               flow_id,
 586                                               &nxt_resource_index,
 587                                               &params);
 588                 if (params.resource_func ==
 589                      BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE &&
 590                      (params.resource_sub_type ==
 591                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT ||
 592                       params.resource_sub_type ==
 593                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_EXT_COUNT ||
 594                       params.resource_sub_type ==
 595                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT_ACC)) {
 596                         found_cntr_resource = true;
 597                         break;
 598                 }
 599         } while (!rc && nxt_resource_index);
 600
 601         bnxt_ulp_cntxt_release_fdb_lock(ctxt);
 602
 603         if (rc || !found_cntr_resource)
 604                 return rc;
 605
 606         dir = params.direction;
 607         hw_cntr_id = params.resource_hndl;
 608         if (params.resource_sub_type ==
 609                         BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT) {
 610                 pthread_mutex_lock(&ulp_fc_info->fc_lock);
 611                 sw_cntr_idx = hw_cntr_id -
 612                         ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 613                 sw_acc_tbl_entry = &ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx];
 614                 if (sw_acc_tbl_entry->pkt_count) {
 615                         count->hits_set = 1;
 616                         count->bytes_set = 1;
 617                         count->hits = sw_acc_tbl_entry->pkt_count;
 618                         count->bytes = sw_acc_tbl_entry->byte_count;
 619                 }
 620                 if (count->reset) {
 621                         sw_acc_tbl_entry->pkt_count = 0;
 622                         sw_acc_tbl_entry->byte_count = 0;
 623                 }
 624                 pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 625         } else if (params.resource_sub_type ==
 626                         BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT_ACC) {
 627                 /* Get stats from the parent child table */
 628                 ulp_flow_db_parent_flow_count_get(ctxt, flow_id,
 629                                                   &count->hits, &count->bytes,
 630                                                   count->reset);
 631                 count->hits_set = 1;
 632                 count->bytes_set = 1;
 633         } else {
 634                 /* TBD: Handle External counters */
 635                 rc = -EINVAL;
 636         }
 637
 638         return rc;
 639 }
 640
 641 /*
 642  * Set the parent flow if it is SW accumulation counter entry.
 643  *
 644  * ctxt [in] The ulp context for the flow counter manager
 645  *
 646  * dir [in] The direction of the flow
 647  *
 648  * hw_cntr_id [in] The HW flow counter ID
 649  *
 650  * fid [in] parent flow id
 651  *
 652  */
 653 int32_t ulp_fc_mgr_cntr_parent_flow_set(struct bnxt_ulp_context *ctxt,
 654                                         enum tf_dir dir,
 655                                         uint32_t hw_cntr_id,
 656                                         uint32_t fid)
 657 {
 658         struct bnxt_ulp_fc_info *ulp_fc_info;
 659         uint32_t sw_cntr_idx;
 660         int32_t rc = 0;
 661
 662         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 663         if (!ulp_fc_info)
 664                 return -EIO;
 665
 666         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 667         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 668         if (ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid) {
 669                 ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].parent_flow_id = fid;
 670         } else {
 671                 BNXT_TF_DBG(ERR, "Failed to set parent flow id %x:%x\n",
 672                             hw_cntr_id, fid);
 673                 rc = -ENOENT;
 674         }
 675         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 676
 677         return rc;
 678 }