1 /* 2 * Copyright (c) 2015-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <cds_api.h> 20 21 /* OS abstraction libraries */ 22 #include <qdf_nbuf.h> /* qdf_nbuf_t, etc. */ 23 #include <qdf_atomic.h> /* qdf_atomic_read, etc. */ 24 #include <qdf_util.h> /* qdf_unlikely */ 25 #include "dp_types.h" 26 #include "dp_tx_desc.h" 27 28 #include <cdp_txrx_handle.h> 29 #include "dp_internal.h" 30 #define INVALID_FLOW_ID 0xFF 31 #define MAX_INVALID_BIN 3 32 33 #ifdef QCA_AC_BASED_FLOW_CONTROL 34 /** 35 * dp_tx_initialize_threshold() - Threshold of flow Pool initialization 36 * @pool: flow_pool 37 * @stop_threshold: stop threshold of certian AC 38 * @start_threshold: start threshold of certian AC 39 * @flow_pool_size: flow pool size 40 * 41 * Return: none 42 */ 43 static inline void 44 dp_tx_initialize_threshold(struct dp_tx_desc_pool_s *pool, 45 uint32_t start_threshold, 46 uint32_t stop_threshold, 47 uint16_t flow_pool_size) 48 { 49 /* BE_BK threshold is same as previous threahold */ 50 pool->start_th[DP_TH_BE_BK] = (start_threshold 51 * flow_pool_size) / 100; 52 pool->stop_th[DP_TH_BE_BK] = (stop_threshold 53 * flow_pool_size) / 100; 54 55 /* Update VI threshold based on BE_BK threashold */ 56 pool->start_th[DP_TH_VI] = (pool->start_th[DP_TH_BE_BK] 57 * FL_TH_VI_PERCENTAGE) / 100; 58 pool->stop_th[DP_TH_VI] = (pool->stop_th[DP_TH_BE_BK] 59 * FL_TH_VI_PERCENTAGE) / 100; 60 61 /* Update VO threshold based on BE_BK threashold */ 62 pool->start_th[DP_TH_VO] = (pool->start_th[DP_TH_BE_BK] 63 * FL_TH_VO_PERCENTAGE) / 100; 64 pool->stop_th[DP_TH_VO] = (pool->stop_th[DP_TH_BE_BK] 65 * FL_TH_VO_PERCENTAGE) / 100; 66 67 /* Update High Priority threshold based on BE_BK threashold */ 68 pool->start_th[DP_TH_HI] = (pool->start_th[DP_TH_BE_BK] 69 * FL_TH_HI_PERCENTAGE) / 100; 70 pool->stop_th[DP_TH_HI] = (pool->stop_th[DP_TH_BE_BK] 71 * FL_TH_HI_PERCENTAGE) / 100; 72 73 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 74 "%s: tx flow control threshold is set, pool size is %d", 75 __func__, flow_pool_size); 76 } 77 78 /** 79 * dp_tx_flow_pool_reattach() - Reattach flow_pool 80 * @pool: flow_pool 81 * 82 * Return: none 83 */ 84 static inline void 85 dp_tx_flow_pool_reattach(struct dp_tx_desc_pool_s *pool) 86 { 87 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 88 "%s: flow pool already allocated, attached %d times", 89 __func__, pool->pool_create_cnt); 90 91 if (pool->avail_desc > pool->start_th[DP_TH_BE_BK]) 92 pool->status = FLOW_POOL_ACTIVE_UNPAUSED; 93 if (pool->avail_desc <= pool->start_th[DP_TH_BE_BK] && 94 pool->avail_desc > pool->start_th[DP_TH_VI]) 95 pool->status = FLOW_POOL_BE_BK_PAUSED; 96 else if (pool->avail_desc <= pool->start_th[DP_TH_VI] && 97 pool->avail_desc > pool->start_th[DP_TH_VO]) 98 pool->status = FLOW_POOL_VI_PAUSED; 99 else if (pool->avail_desc <= pool->start_th[DP_TH_VO] && 100 pool->avail_desc > pool->start_th[DP_TH_HI]) 101 pool->status = FLOW_POOL_VO_PAUSED; 102 else 103 pool->status = FLOW_POOL_ACTIVE_PAUSED; 104 105 pool->pool_create_cnt++; 106 } 107 108 /** 109 * dp_tx_flow_pool_dump_threshold() - Dump threshold of the flow_pool 110 * @pool: flow_pool 111 * 112 * Return: none 113 */ 114 static inline void 115 dp_tx_flow_pool_dump_threshold(struct dp_tx_desc_pool_s *pool) 116 { 117 int i; 118 119 for (i = 0; i < FL_TH_MAX; i++) { 120 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 121 "Level %d :: Start threshold %d :: Stop threshold %d", 122 i, pool->start_th[i], pool->stop_th[i]); 123 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 124 "Level %d :: Maximun pause time %lu ms", 125 i, pool->max_pause_time[i]); 126 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 127 "Level %d :: Latest pause timestamp %lu", 128 i, pool->latest_pause_time[i]); 129 } 130 } 131 132 #else 133 static inline void 134 dp_tx_initialize_threshold(struct dp_tx_desc_pool_s *pool, 135 uint32_t start_threshold, 136 uint32_t stop_threshold, 137 uint16_t flow_pool_size) 138 139 { 140 /* INI is in percentage so divide by 100 */ 141 pool->start_th = (start_threshold * flow_pool_size) / 100; 142 pool->stop_th = (stop_threshold * flow_pool_size) / 100; 143 } 144 145 static inline void 146 dp_tx_flow_pool_reattach(struct dp_tx_desc_pool_s *pool) 147 { 148 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 149 "%s: flow pool already allocated, attached %d times", 150 __func__, pool->pool_create_cnt); 151 if (pool->avail_desc > pool->start_th) 152 pool->status = FLOW_POOL_ACTIVE_UNPAUSED; 153 else 154 pool->status = FLOW_POOL_ACTIVE_PAUSED; 155 156 pool->pool_create_cnt++; 157 } 158 159 static inline void 160 dp_tx_flow_pool_dump_threshold(struct dp_tx_desc_pool_s *pool) 161 { 162 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 163 "Start threshold %d :: Stop threshold %d", 164 pool->start_th, pool->stop_th); 165 } 166 167 #endif 168 169 /** 170 * dp_tx_dump_flow_pool_info() - dump global_pool and flow_pool info 171 * 172 * @ctx: Handle to struct dp_soc. 173 * 174 * Return: none 175 */ 176 void dp_tx_dump_flow_pool_info(void *ctx) 177 { 178 struct dp_soc *soc = ctx; 179 struct dp_txrx_pool_stats *pool_stats = &soc->pool_stats; 180 struct dp_tx_desc_pool_s *pool = NULL; 181 struct dp_tx_desc_pool_s tmp_pool; 182 int i; 183 184 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 185 "No of pool map received %d", pool_stats->pool_map_count); 186 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 187 "No of pool unmap received %d", pool_stats->pool_unmap_count); 188 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 189 "Pkt dropped due to unavailablity of pool %d", 190 pool_stats->pkt_drop_no_pool); 191 192 /* 193 * Nested spin lock. 194 * Always take in below order. 195 * flow_pool_array_lock -> flow_pool_lock 196 */ 197 qdf_spin_lock_bh(&soc->flow_pool_array_lock); 198 for (i = 0; i < MAX_TXDESC_POOLS; i++) { 199 pool = &soc->tx_desc[i]; 200 if (pool->status > FLOW_POOL_INVALID) 201 continue; 202 qdf_spin_lock_bh(&pool->flow_pool_lock); 203 qdf_mem_copy(&tmp_pool, pool, sizeof(tmp_pool)); 204 qdf_spin_unlock_bh(&pool->flow_pool_lock); 205 qdf_spin_unlock_bh(&soc->flow_pool_array_lock); 206 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, "\n"); 207 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 208 "Flow_pool_id %d :: status %d", 209 tmp_pool.flow_pool_id, tmp_pool.status); 210 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 211 "Total %d :: Available %d", 212 tmp_pool.pool_size, tmp_pool.avail_desc); 213 dp_tx_flow_pool_dump_threshold(&tmp_pool); 214 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 215 "Member flow_id %d :: flow_type %d", 216 tmp_pool.flow_pool_id, tmp_pool.flow_type); 217 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 218 "Pkt dropped due to unavailablity of descriptors %d", 219 tmp_pool.pkt_drop_no_desc); 220 qdf_spin_lock_bh(&soc->flow_pool_array_lock); 221 } 222 qdf_spin_unlock_bh(&soc->flow_pool_array_lock); 223 } 224 225 /** 226 * dp_tx_clear_flow_pool_stats() - clear flow pool statistics 227 * 228 * @soc: Handle to struct dp_soc. 229 * 230 * Return: None 231 */ 232 void dp_tx_clear_flow_pool_stats(struct dp_soc *soc) 233 { 234 235 if (!soc) { 236 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 237 "%s: soc is null", __func__); 238 return; 239 } 240 qdf_mem_zero(&soc->pool_stats, sizeof(soc->pool_stats)); 241 } 242 243 /** 244 * dp_tx_create_flow_pool() - create flow pool 245 * @soc: Handle to struct dp_soc 246 * @flow_pool_id: flow pool id 247 * @flow_pool_size: flow pool size 248 * 249 * Return: flow_pool pointer / NULL for error 250 */ 251 struct dp_tx_desc_pool_s *dp_tx_create_flow_pool(struct dp_soc *soc, 252 uint8_t flow_pool_id, uint16_t flow_pool_size) 253 { 254 struct dp_tx_desc_pool_s *pool; 255 uint32_t stop_threshold; 256 uint32_t start_threshold; 257 258 if (flow_pool_id >= MAX_TXDESC_POOLS) { 259 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 260 "%s: invalid flow_pool_id %d", __func__, flow_pool_id); 261 return NULL; 262 } 263 pool = &soc->tx_desc[flow_pool_id]; 264 qdf_spin_lock_bh(&pool->flow_pool_lock); 265 if ((pool->status != FLOW_POOL_INACTIVE) || pool->pool_create_cnt) { 266 dp_tx_flow_pool_reattach(pool); 267 qdf_spin_unlock_bh(&pool->flow_pool_lock); 268 return pool; 269 } 270 271 if (dp_tx_desc_pool_alloc(soc, flow_pool_id, flow_pool_size)) { 272 qdf_spin_unlock_bh(&pool->flow_pool_lock); 273 return NULL; 274 } 275 276 stop_threshold = wlan_cfg_get_tx_flow_stop_queue_th(soc->wlan_cfg_ctx); 277 start_threshold = stop_threshold + 278 wlan_cfg_get_tx_flow_start_queue_offset(soc->wlan_cfg_ctx); 279 280 pool->flow_pool_id = flow_pool_id; 281 pool->pool_size = flow_pool_size; 282 pool->avail_desc = flow_pool_size; 283 pool->status = FLOW_POOL_ACTIVE_UNPAUSED; 284 dp_tx_initialize_threshold(pool, start_threshold, stop_threshold, 285 flow_pool_size); 286 pool->pool_create_cnt++; 287 288 qdf_spin_unlock_bh(&pool->flow_pool_lock); 289 290 return pool; 291 } 292 293 /** 294 * dp_tx_delete_flow_pool() - delete flow pool 295 * @soc: Handle to struct dp_soc 296 * @pool: flow pool pointer 297 * @force: free pool forcefully 298 * 299 * Delete flow_pool if all tx descriptors are available. 300 * Otherwise put it in FLOW_POOL_INVALID state. 301 * If force is set then pull all available descriptors to 302 * global pool. 303 * 304 * Return: 0 for success or error 305 */ 306 int dp_tx_delete_flow_pool(struct dp_soc *soc, struct dp_tx_desc_pool_s *pool, 307 bool force) 308 { 309 if (!soc || !pool) { 310 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 311 "%s: pool or soc is NULL", __func__); 312 QDF_ASSERT(0); 313 return ENOMEM; 314 } 315 316 qdf_spin_lock_bh(&pool->flow_pool_lock); 317 if (!pool->pool_create_cnt) { 318 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 319 "flow pool either not created or alread deleted"); 320 qdf_spin_unlock_bh(&pool->flow_pool_lock); 321 return -ENOENT; 322 } 323 pool->pool_create_cnt--; 324 if (pool->pool_create_cnt) { 325 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 326 "%s: pool is still attached, pending detach %d", 327 __func__, pool->pool_create_cnt); 328 qdf_spin_unlock_bh(&pool->flow_pool_lock); 329 return -EAGAIN; 330 } 331 332 if (pool->avail_desc < pool->pool_size) { 333 pool->status = FLOW_POOL_INVALID; 334 qdf_spin_unlock_bh(&pool->flow_pool_lock); 335 return -EAGAIN; 336 } 337 338 /* We have all the descriptors for the pool, we can delete the pool */ 339 dp_tx_desc_pool_free(soc, pool->flow_pool_id); 340 qdf_spin_unlock_bh(&pool->flow_pool_lock); 341 return 0; 342 } 343 344 /** 345 * dp_tx_flow_pool_vdev_map() - Map flow_pool with vdev 346 * @pdev: Handle to struct dp_pdev 347 * @pool: flow_pool 348 * @vdev_id: flow_id /vdev_id 349 * 350 * Return: none 351 */ 352 static void dp_tx_flow_pool_vdev_map(struct dp_pdev *pdev, 353 struct dp_tx_desc_pool_s *pool, uint8_t vdev_id) 354 { 355 struct dp_vdev *vdev; 356 struct dp_soc *soc = pdev->soc; 357 358 vdev = (struct dp_vdev *)cdp_get_vdev_from_vdev_id((void *)soc, 359 (struct cdp_pdev *)pdev, vdev_id); 360 if (!vdev) { 361 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 362 "%s: invalid vdev_id %d", 363 __func__, vdev_id); 364 return; 365 } 366 367 vdev->pool = pool; 368 qdf_spin_lock_bh(&pool->flow_pool_lock); 369 pool->pool_owner_ctx = soc; 370 pool->flow_pool_id = vdev_id; 371 qdf_spin_unlock_bh(&pool->flow_pool_lock); 372 } 373 374 /** 375 * dp_tx_flow_pool_vdev_unmap() - Unmap flow_pool from vdev 376 * @pdev: Handle to struct dp_pdev 377 * @pool: flow_pool 378 * @vdev_id: flow_id /vdev_id 379 * 380 * Return: none 381 */ 382 static void dp_tx_flow_pool_vdev_unmap(struct dp_pdev *pdev, 383 struct dp_tx_desc_pool_s *pool, uint8_t vdev_id) 384 { 385 struct dp_vdev *vdev; 386 struct dp_soc *soc = pdev->soc; 387 388 vdev = (struct dp_vdev *)cdp_get_vdev_from_vdev_id((void *)soc, 389 (struct cdp_pdev *)pdev, vdev_id); 390 if (!vdev) { 391 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 392 "%s: invalid vdev_id %d", 393 __func__, vdev_id); 394 return; 395 } 396 397 vdev->pool = NULL; 398 } 399 400 /** 401 * dp_tx_flow_pool_map_handler() - Map flow_id with pool of descriptors 402 * @pdev: Handle to struct dp_pdev 403 * @flow_id: flow id 404 * @flow_type: flow type 405 * @flow_pool_id: pool id 406 * @flow_pool_size: pool size 407 * 408 * Process below target to host message 409 * HTT_T2H_MSG_TYPE_FLOW_POOL_MAP 410 * 411 * Return: none 412 */ 413 QDF_STATUS dp_tx_flow_pool_map_handler(struct dp_pdev *pdev, uint8_t flow_id, 414 uint8_t flow_type, uint8_t flow_pool_id, uint16_t flow_pool_size) 415 { 416 struct dp_soc *soc = pdev->soc; 417 struct dp_tx_desc_pool_s *pool; 418 enum htt_flow_type type = flow_type; 419 420 421 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 422 "%s: flow_id %d flow_type %d flow_pool_id %d flow_pool_size %d", 423 __func__, flow_id, flow_type, flow_pool_id, flow_pool_size); 424 425 if (qdf_unlikely(!soc)) { 426 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 427 "%s: soc is NULL", __func__); 428 return QDF_STATUS_E_FAULT; 429 } 430 soc->pool_stats.pool_map_count++; 431 432 pool = dp_tx_create_flow_pool(soc, flow_pool_id, 433 flow_pool_size); 434 if (pool == NULL) { 435 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 436 "%s: creation of flow_pool %d size %d failed", 437 __func__, flow_pool_id, flow_pool_size); 438 return QDF_STATUS_E_RESOURCES; 439 } 440 441 switch (type) { 442 443 case FLOW_TYPE_VDEV: 444 dp_tx_flow_pool_vdev_map(pdev, pool, flow_id); 445 break; 446 default: 447 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 448 "%s: flow type %d not supported !!!", 449 __func__, type); 450 break; 451 } 452 453 return QDF_STATUS_SUCCESS; 454 } 455 456 /** 457 * dp_tx_flow_pool_unmap_handler() - Unmap flow_id from pool of descriptors 458 * @pdev: Handle to struct dp_pdev 459 * @flow_id: flow id 460 * @flow_type: flow type 461 * @flow_pool_id: pool id 462 * 463 * Process below target to host message 464 * HTT_T2H_MSG_TYPE_FLOW_POOL_UNMAP 465 * 466 * Return: none 467 */ 468 void dp_tx_flow_pool_unmap_handler(struct dp_pdev *pdev, uint8_t flow_id, 469 uint8_t flow_type, uint8_t flow_pool_id) 470 { 471 struct dp_soc *soc = pdev->soc; 472 struct dp_tx_desc_pool_s *pool; 473 enum htt_flow_type type = flow_type; 474 475 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 476 "%s: flow_id %d flow_type %d flow_pool_id %d", 477 __func__, flow_id, flow_type, flow_pool_id); 478 479 if (qdf_unlikely(!pdev)) { 480 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 481 "%s: pdev is NULL", __func__); 482 return; 483 } 484 soc->pool_stats.pool_unmap_count++; 485 486 pool = &soc->tx_desc[flow_pool_id]; 487 if (!pool) { 488 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 489 "%s: flow_pool not available flow_pool_id %d", 490 __func__, type); 491 return; 492 } 493 494 switch (type) { 495 496 case FLOW_TYPE_VDEV: 497 dp_tx_flow_pool_vdev_unmap(pdev, pool, flow_id); 498 break; 499 default: 500 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 501 "%s: flow type %d not supported !!!", 502 __func__, type); 503 return; 504 } 505 506 /* only delete if all descriptors are available */ 507 dp_tx_delete_flow_pool(soc, pool, false); 508 } 509 510 /** 511 * dp_tx_flow_control_init() - Initialize tx flow control 512 * @tx_desc_pool: Handle to flow_pool 513 * 514 * Return: none 515 */ 516 void dp_tx_flow_control_init(struct dp_soc *soc) 517 { 518 qdf_spinlock_create(&soc->flow_pool_array_lock); 519 } 520 521 /** 522 * dp_tx_flow_control_deinit() - Deregister fw based tx flow control 523 * @tx_desc_pool: Handle to flow_pool 524 * 525 * Return: none 526 */ 527 void dp_tx_flow_control_deinit(struct dp_soc *soc) 528 { 529 qdf_spinlock_destroy(&soc->flow_pool_array_lock); 530 } 531 532 /** 533 * dp_txrx_register_pause_cb() - Register pause callback 534 * @ctx: Handle to struct dp_soc 535 * @pause_cb: Tx pause_cb 536 * 537 * Return: none 538 */ 539 QDF_STATUS dp_txrx_register_pause_cb(struct cdp_soc_t *handle, 540 tx_pause_callback pause_cb) 541 { 542 struct dp_soc *soc = (struct dp_soc *)handle; 543 544 if (!soc || !pause_cb) { 545 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 546 FL("soc or pause_cb is NULL")); 547 return QDF_STATUS_E_INVAL; 548 } 549 soc->pause_cb = pause_cb; 550 551 return QDF_STATUS_SUCCESS; 552 } 553 554 QDF_STATUS dp_tx_flow_pool_map(struct cdp_soc_t *handle, struct cdp_pdev *pdev, 555 uint8_t vdev_id) 556 { 557 struct dp_soc *soc = (struct dp_soc *)handle; 558 int tx_ring_size = wlan_cfg_tx_ring_size(soc->wlan_cfg_ctx); 559 560 return (dp_tx_flow_pool_map_handler((struct dp_pdev *)pdev, vdev_id, 561 FLOW_TYPE_VDEV, vdev_id, tx_ring_size)); 562 } 563 564 void dp_tx_flow_pool_unmap(struct cdp_soc_t *soc, struct cdp_pdev *pdev, 565 uint8_t vdev_id) 566 { 567 return(dp_tx_flow_pool_unmap_handler((struct dp_pdev *)pdev, vdev_id, 568 FLOW_TYPE_VDEV, vdev_id)); 569 } 570