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 = (uint64_t)
 255                 ((uintptr_t)(fc_info->shadow_hw_tbl[dir].mem_pa));
 256
 257         if (!stats) {
 258                 PMD_DRV_LOG(ERR,
 259                             "BULK: Memory not initialized id:0x%x dir:%d\n",
 260                             parms.starting_idx, dir);
 261                 return -EINVAL;
 262         }
 263
 264         rc = tf_tbl_bulk_get(tfp, &parms);
 265         if (rc) {
 266                 PMD_DRV_LOG(ERR,
 267                             "BULK: Get failed for id:0x%x rc:%d\n",
 268                             parms.starting_idx, rc);
 269                 return rc;
 270         }
 271
 272         for (i = 0; i < parms.num_entries; i++) {
 273                 /* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 274                 sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][i];
 275                 if (!sw_acc_tbl_entry->valid)
 276                         continue;
 277                 sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats[i],
 278                                                               dparms);
 279                 sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats[i],
 280                                                                 dparms);
 281         }
 282
 283         return rc;
 284 }
 285
 286 static int ulp_get_single_flow_stat(struct bnxt_ulp_context *ctxt,
 287                                     struct tf *tfp,
 288                                     struct bnxt_ulp_fc_info *fc_info,
 289                                     enum tf_dir dir,
 290                                     uint32_t hw_cntr_id,
 291                                     struct bnxt_ulp_device_params *dparms)
 292 {
 293         int rc = 0;
 294         struct tf_get_tbl_entry_parms parms = { 0 };
 295         enum tf_tbl_type stype = TF_TBL_TYPE_ACT_STATS_64;  /* TBD:Template? */
 296         struct sw_acc_counter *sw_acc_tbl_entry = NULL, *t_sw;
 297         uint64_t stats = 0;
 298         uint32_t sw_cntr_indx = 0;
 299
 300         parms.dir = dir;
 301         parms.type = stype;
 302         parms.idx = hw_cntr_id;
 303         /*
 304          * TODO:
 305          * Size of an entry needs to obtained from template
 306          */
 307         parms.data_sz_in_bytes = sizeof(uint64_t);
 308         parms.data = (uint8_t *)&stats;
 309         rc = tf_get_tbl_entry(tfp, &parms);
 310         if (rc) {
 311                 PMD_DRV_LOG(ERR,
 312                             "Get failed for id:0x%x rc:%d\n",
 313                             parms.idx, rc);
 314                 return rc;
 315         }
 316
 317         /* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 318         sw_cntr_indx = hw_cntr_id - fc_info->shadow_hw_tbl[dir].start_idx;
 319         sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][sw_cntr_indx];
 320         sw_acc_tbl_entry->pkt_count = FLOW_CNTR_PKTS(stats, dparms);
 321         sw_acc_tbl_entry->byte_count = FLOW_CNTR_BYTES(stats, dparms);
 322
 323         /* Update the parent counters if it is child flow */
 324         if (sw_acc_tbl_entry->parent_flow_id) {
 325                 /* Update the parent counters */
 326                 t_sw = sw_acc_tbl_entry;
 327                 if (ulp_flow_db_parent_flow_count_update(ctxt,
 328                                                          t_sw->parent_flow_id,
 329                                                          t_sw->pkt_count,
 330                                                          t_sw->byte_count)) {
 331                         PMD_DRV_LOG(ERR, "Error updating parent counters\n");
 332                 }
 333         }
 334
 335         return rc;
 336 }
 337
 338 /*
 339  * Alarm handler that will issue the TF-Core API to fetch
 340  * data from the chip's internal flow counters
 341  *
 342  * ctxt [in] The ulp context for the flow counter manager
 343  *
 344  */
 345
 346 void
 347 ulp_fc_mgr_alarm_cb(void *arg)
 348 {
 349         int rc = 0;
 350         unsigned int j;
 351         enum tf_dir i;
 352         struct bnxt_ulp_context *ctxt = arg;
 353         struct bnxt_ulp_fc_info *ulp_fc_info;
 354         struct bnxt_ulp_device_params *dparms;
 355         struct tf *tfp;
 356         uint32_t dev_id, hw_cntr_id = 0, num_entries = 0;
 357
 358         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 359         if (!ulp_fc_info)
 360                 return;
 361
 362         if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
 363                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
 364                 return;
 365         }
 366
 367         dparms = bnxt_ulp_device_params_get(dev_id);
 368         if (!dparms) {
 369                 BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
 370                 return;
 371         }
 372
 373         tfp = bnxt_ulp_cntxt_tfp_get(ctxt);
 374         if (!tfp) {
 375                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 376                 return;
 377         }
 378
 379         /*
 380          * Take the fc_lock to ensure no flow is destroyed
 381          * during the bulk get
 382          */
 383         if (pthread_mutex_trylock(&ulp_fc_info->fc_lock))
 384                 goto out;
 385
 386         if (!ulp_fc_info->num_entries) {
 387                 pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 388                 ulp_fc_mgr_thread_cancel(ctxt);
 389                 return;
 390         }
 391         /*
 392          * Commented for now till GET_BULK is resolved, just get the first flow
 393          * stat for now
 394          for (i = 0; i < TF_DIR_MAX; i++) {
 395                 rc = ulp_bulk_get_flow_stats(tfp, ulp_fc_info, i,
 396                                              dparms->flow_count_db_entries);
 397                 if (rc)
 398                         break;
 399         }
 400         */
 401
 402         /* reset the parent accumulation counters before accumulation if any */
 403         ulp_flow_db_parent_flow_count_reset(ctxt);
 404
 405         num_entries = dparms->flow_count_db_entries / 2;
 406         for (i = 0; i < TF_DIR_MAX; i++) {
 407                 for (j = 0; j < num_entries; j++) {
 408                         if (!ulp_fc_info->sw_acc_tbl[i][j].valid)
 409                                 continue;
 410                         hw_cntr_id = ulp_fc_info->sw_acc_tbl[i][j].hw_cntr_id;
 411                         rc = ulp_get_single_flow_stat(ctxt, tfp, ulp_fc_info, i,
 412                                                       hw_cntr_id, dparms);
 413                         if (rc)
 414                                 break;
 415                 }
 416         }
 417
 418         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 419
 420         /*
 421          * If cmd fails once, no need of
 422          * invoking again every second
 423          */
 424
 425         if (rc) {
 426                 ulp_fc_mgr_thread_cancel(ctxt);
 427                 return;
 428         }
 429 out:
 430         rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
 431                           ulp_fc_mgr_alarm_cb,
 432                           (void *)ctxt);
 433 }
 434
 435 /*
 436  * Set the starting index that indicates the first HW flow
 437  * counter ID
 438  *
 439  * ctxt [in] The ulp context for the flow counter manager
 440  *
 441  * dir [in] The direction of the flow
 442  *
 443  * start_idx [in] The HW flow counter ID
 444  *
 445  */
 446 bool ulp_fc_mgr_start_idx_isset(struct bnxt_ulp_context *ctxt, enum tf_dir dir)
 447 {
 448         struct bnxt_ulp_fc_info *ulp_fc_info;
 449
 450         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 451
 452         return ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set;
 453 }
 454
 455 /*
 456  * Set the starting index that indicates the first HW flow
 457  * counter ID
 458  *
 459  * ctxt [in] The ulp context for the flow counter manager
 460  *
 461  * dir [in] The direction of the flow
 462  *
 463  * start_idx [in] The HW flow counter ID
 464  *
 465  */
 466 int32_t ulp_fc_mgr_start_idx_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 467                                  uint32_t start_idx)
 468 {
 469         struct bnxt_ulp_fc_info *ulp_fc_info;
 470
 471         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 472
 473         if (!ulp_fc_info)
 474                 return -EIO;
 475
 476         if (!ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set) {
 477                 ulp_fc_info->shadow_hw_tbl[dir].start_idx = start_idx;
 478                 ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set = true;
 479         }
 480
 481         return 0;
 482 }
 483
 484 /*
 485  * Set the corresponding SW accumulator table entry based on
 486  * the difference between this counter ID and the starting
 487  * counter ID. Also, keep track of num of active counter enabled
 488  * flows.
 489  *
 490  * ctxt [in] The ulp context for the flow counter manager
 491  *
 492  * dir [in] The direction of the flow
 493  *
 494  * hw_cntr_id [in] The HW flow counter ID
 495  *
 496  */
 497 int32_t ulp_fc_mgr_cntr_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 498                             uint32_t hw_cntr_id)
 499 {
 500         struct bnxt_ulp_fc_info *ulp_fc_info;
 501         uint32_t sw_cntr_idx;
 502
 503         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 504         if (!ulp_fc_info)
 505                 return -EIO;
 506
 507         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 508         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 509         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = true;
 510         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].hw_cntr_id = hw_cntr_id;
 511         ulp_fc_info->num_entries++;
 512         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 513
 514         return 0;
 515 }
 516
 517 /*
 518  * Reset the corresponding SW accumulator table entry based on
 519  * the difference between this counter ID and the starting
 520  * counter ID.
 521  *
 522  * ctxt [in] The ulp context for the flow counter manager
 523  *
 524  * dir [in] The direction of the flow
 525  *
 526  * hw_cntr_id [in] The HW flow counter ID
 527  *
 528  */
 529 int32_t ulp_fc_mgr_cntr_reset(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 530                               uint32_t hw_cntr_id)
 531 {
 532         struct bnxt_ulp_fc_info *ulp_fc_info;
 533         uint32_t sw_cntr_idx;
 534
 535         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 536         if (!ulp_fc_info)
 537                 return -EIO;
 538
 539         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 540         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 541         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = false;
 542         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].hw_cntr_id = 0;
 543         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].pkt_count = 0;
 544         ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].byte_count = 0;
 545         ulp_fc_info->num_entries--;
 546         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 547
 548         return 0;
 549 }
 550
 551 /*
 552  * Fill the rte_flow_query_count 'data' argument passed
 553  * in the rte_flow_query() with the values obtained and
 554  * accumulated locally.
 555  *
 556  * ctxt [in] The ulp context for the flow counter manager
 557  *
 558  * flow_id [in] The HW flow ID
 559  *
 560  * count [out] The rte_flow_query_count 'data' that is set
 561  *
 562  */
 563 int ulp_fc_mgr_query_count_get(struct bnxt_ulp_context *ctxt,
 564                                uint32_t flow_id,
 565                                struct rte_flow_query_count *count)
 566 {
 567         int rc = 0;
 568         uint32_t nxt_resource_index = 0;
 569         struct bnxt_ulp_fc_info *ulp_fc_info;
 570         struct ulp_flow_db_res_params params;
 571         enum tf_dir dir;
 572         uint32_t hw_cntr_id = 0, sw_cntr_idx = 0;
 573         struct sw_acc_counter *sw_acc_tbl_entry;
 574         bool found_cntr_resource = false;
 575
 576         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 577         if (!ulp_fc_info)
 578                 return -ENODEV;
 579
 580         if (bnxt_ulp_cntxt_acquire_fdb_lock(ctxt))
 581                 return -EIO;
 582
 583         do {
 584                 rc = ulp_flow_db_resource_get(ctxt,
 585                                               BNXT_ULP_FDB_TYPE_REGULAR,
 586                                               flow_id,
 587                                               &nxt_resource_index,
 588                                               &params);
 589                 if (params.resource_func ==
 590                      BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE &&
 591                      (params.resource_sub_type ==
 592                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT ||
 593                       params.resource_sub_type ==
 594                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_EXT_COUNT ||
 595                       params.resource_sub_type ==
 596                       BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC)) {
 597                         found_cntr_resource = true;
 598                         break;
 599                 }
 600         } while (!rc && nxt_resource_index);
 601
 602         bnxt_ulp_cntxt_release_fdb_lock(ctxt);
 603
 604         if (rc || !found_cntr_resource)
 605                 return rc;
 606
 607         dir = params.direction;
 608         hw_cntr_id = params.resource_hndl;
 609         if (params.resource_sub_type ==
 610                         BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT) {
 611                 /* TODO:
 612                  * Think about optimizing with try_lock later
 613                  */
 614                 pthread_mutex_lock(&ulp_fc_info->fc_lock);
 615                 sw_cntr_idx = hw_cntr_id -
 616                         ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 617                 sw_acc_tbl_entry = &ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx];
 618                 if (sw_acc_tbl_entry->pkt_count) {
 619                         count->hits_set = 1;
 620                         count->bytes_set = 1;
 621                         count->hits = sw_acc_tbl_entry->pkt_count;
 622                         count->bytes = sw_acc_tbl_entry->byte_count;
 623                 }
 624                 if (count->reset) {
 625                         sw_acc_tbl_entry->pkt_count = 0;
 626                         sw_acc_tbl_entry->byte_count = 0;
 627                 }
 628                 pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 629         } else if (params.resource_sub_type ==
 630                         BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC) {
 631                 /* Get the stats from the parent child table */
 632                 ulp_flow_db_parent_flow_count_get(ctxt,
 633                                                   flow_id,
 634                                                   &count->hits,
 635                                                   &count->bytes);
 636                 count->hits_set = 1;
 637                 count->bytes_set = 1;
 638         } else {
 639                 /* TBD: Handle External counters */
 640                 rc = -EINVAL;
 641         }
 642
 643         return rc;
 644 }
 645
 646 /*
 647  * Set the parent flow if it is SW accumulation counter entry.
 648  *
 649  * ctxt [in] The ulp context for the flow counter manager
 650  *
 651  * dir [in] The direction of the flow
 652  *
 653  * hw_cntr_id [in] The HW flow counter ID
 654  *
 655  * fid [in] parent flow id
 656  *
 657  */
 658 int32_t ulp_fc_mgr_cntr_parent_flow_set(struct bnxt_ulp_context *ctxt,
 659                                         enum tf_dir dir,
 660                                         uint32_t hw_cntr_id,
 661                                         uint32_t fid)
 662 {
 663         struct bnxt_ulp_fc_info *ulp_fc_info;
 664         uint32_t sw_cntr_idx;
 665         int32_t rc = 0;
 666
 667         ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 668         if (!ulp_fc_info)
 669                 return -EIO;
 670
 671         pthread_mutex_lock(&ulp_fc_info->fc_lock);
 672         sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 673         if (ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid) {
 674                 ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].parent_flow_id = fid;
 675         } else {
 676                 BNXT_TF_DBG(ERR, "Failed to set parent flow id %x:%x\n",
 677                             hw_cntr_id, fid);
 678                 rc = -ENOENT;
 679         }
 680         pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 681
 682         return rc;
 683 }