1 /* 2 * Copyright (c) 2017-2020 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 * DOC: wlan_serialization_non_scan.c 20 * This file defines the functions which deals with 21 * serialization non scan commands. 22 */ 23 24 #include <wlan_objmgr_psoc_obj.h> 25 #include <wlan_objmgr_pdev_obj.h> 26 #include <wlan_objmgr_vdev_obj.h> 27 #include "wlan_serialization_main_i.h" 28 #include "wlan_serialization_utils_i.h" 29 #include "wlan_serialization_non_scan_i.h" 30 #include "qdf_util.h" 31 32 bool 33 wlan_serialization_is_non_scan_pending_queue_empty( 34 struct wlan_serialization_command *cmd) 35 { 36 struct wlan_objmgr_vdev *vdev = NULL; 37 struct wlan_ser_vdev_obj *ser_vdev_obj = NULL; 38 struct wlan_serialization_vdev_queue *vdev_q; 39 bool status = false; 40 41 vdev = wlan_serialization_get_vdev_from_cmd(cmd); 42 43 if (!vdev) { 44 ser_err("vdev object is invalid"); 45 goto error; 46 } 47 48 ser_vdev_obj = wlan_serialization_get_vdev_obj(vdev); 49 vdev_q = &ser_vdev_obj->vdev_q[SER_VDEV_QUEUE_COMP_NON_SCAN]; 50 51 if (qdf_list_empty(&vdev_q->pending_list)) 52 status = true; 53 54 error: 55 return status; 56 } 57 58 /** 59 * wlan_serialization_is_active_nonscan_cmd_allowed() - find if cmd allowed 60 * @pdev: pointer to pdev object 61 * 62 * This API will be called to find out if non scan cmd is allowed. 63 * 64 * Return: true or false 65 */ 66 67 bool 68 wlan_serialization_is_active_non_scan_cmd_allowed( 69 struct wlan_serialization_command *cmd) 70 { 71 struct wlan_serialization_pdev_queue *pdev_queue; 72 struct wlan_ser_pdev_obj *ser_pdev_obj; 73 unsigned long *vdev_active_cmd_bitmap; 74 bool blocking_cmd_active = 0; 75 uint8_t blocking_cmd_waiting = 0; 76 bool status = false; 77 uint32_t vdev_id; 78 79 ser_pdev_obj = wlan_serialization_get_pdev_obj( 80 wlan_serialization_get_pdev_from_cmd(cmd)); 81 82 pdev_queue = wlan_serialization_get_pdev_queue_obj(ser_pdev_obj, 83 cmd->cmd_type); 84 85 vdev_active_cmd_bitmap = pdev_queue->vdev_active_cmd_bitmap; 86 87 blocking_cmd_active = pdev_queue->blocking_cmd_active; 88 blocking_cmd_waiting = pdev_queue->blocking_cmd_waiting; 89 90 /* 91 * Command is blocking 92 */ 93 if (cmd->is_blocking) { 94 /* 95 * For blocking commands, no other 96 * commands from any vdev should be active 97 */ 98 99 if (wlan_serialization_any_vdev_cmd_active(pdev_queue)) { 100 status = false; 101 pdev_queue->blocking_cmd_waiting++; 102 } else { 103 status = true; 104 } 105 } else { 106 /* 107 * Command is non blocking 108 * For activating non blocking commands, if there any blocking 109 * commands, waiting or active, put it to pending queue 110 */ 111 if (blocking_cmd_active || blocking_cmd_waiting) { 112 status = false; 113 } else { 114 /* 115 * For non blocking command, and no blocking commands 116 * waiting or active, check if a cmd for that vdev is active 117 * If not active, put to active else pending queue 118 */ 119 vdev_id = wlan_vdev_get_id(cmd->vdev); 120 status = qdf_test_bit(vdev_id, vdev_active_cmd_bitmap) 121 ? false : true; 122 123 ser_debug_hex( 124 vdev_active_cmd_bitmap, 125 sizeof(pdev_queue->vdev_active_cmd_bitmap)); 126 127 } 128 } 129 return status; 130 } 131 132 enum wlan_serialization_status wlan_ser_add_non_scan_cmd( 133 struct wlan_ser_pdev_obj *ser_pdev_obj, 134 struct wlan_serialization_command_list *cmd_list, 135 uint8_t is_cmd_for_active_queue) 136 { 137 enum wlan_serialization_status pdev_status, vdev_status; 138 enum wlan_serialization_status status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 139 struct wlan_serialization_command_list *pcmd_list; 140 uint8_t vdev_id; 141 struct wlan_serialization_pdev_queue *pdev_queue; 142 143 vdev_status = wlan_serialization_add_cmd_to_vdev_queue( 144 ser_pdev_obj, cmd_list, is_cmd_for_active_queue); 145 146 if (vdev_status == WLAN_SER_CMD_DENIED_LIST_FULL) { 147 ser_err_rl("List is full cannot add type %d cmd id %d", 148 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 149 status = vdev_status; 150 goto vdev_error; 151 } 152 153 if (is_cmd_for_active_queue) { 154 if (vdev_status != WLAN_SER_CMD_ACTIVE) { 155 ser_err("Failed to add type %d cmd id %d to vdev active queue", 156 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 157 QDF_ASSERT(0); 158 goto vdev_error; 159 } 160 } else { 161 if (vdev_status != WLAN_SER_CMD_PENDING) { 162 ser_err("Failed to add type %d cmd id %d to vdev pending queue", 163 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 164 QDF_ASSERT(0); 165 goto vdev_error; 166 } 167 } 168 169 pdev_status = wlan_serialization_add_cmd_to_pdev_queue( 170 ser_pdev_obj, cmd_list, is_cmd_for_active_queue); 171 172 if (pdev_status == WLAN_SER_CMD_DENIED_LIST_FULL) { 173 ser_err_rl("pdev List is full cannot add type %d cmd id %d", 174 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 175 status = pdev_status; 176 goto pdev_error; 177 } 178 179 if (is_cmd_for_active_queue) { 180 if (pdev_status != WLAN_SER_CMD_ACTIVE) { 181 ser_err("Failed to add type %d cmd id %d to pdev active queue", 182 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 183 QDF_ASSERT(0); 184 goto pdev_error; 185 } 186 } else { 187 if (pdev_status != WLAN_SER_CMD_PENDING) { 188 ser_err("Failed to add type %d cmd id %d to pdev pending queue", 189 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 190 QDF_ASSERT(0); 191 goto pdev_error; 192 } 193 } 194 pdev_error: 195 /* 196 * If cmd added to vdev queue, but failed while 197 * adding to pdev queue, remove cmd from vdev queue as well 198 */ 199 if (pdev_status != vdev_status) { 200 wlan_serialization_remove_cmd_from_vdev_queue( 201 ser_pdev_obj, &pcmd_list, 202 &cmd_list->cmd, 203 is_cmd_for_active_queue); 204 goto vdev_error; 205 } else { 206 status = pdev_status; 207 } 208 209 if (is_cmd_for_active_queue) { 210 pdev_queue = wlan_serialization_get_pdev_queue_obj( 211 ser_pdev_obj, cmd_list->cmd.cmd_type); 212 vdev_id = wlan_vdev_get_id(cmd_list->cmd.vdev); 213 qdf_set_bit(vdev_id, pdev_queue->vdev_active_cmd_bitmap); 214 215 if (cmd_list->cmd.is_blocking) 216 pdev_queue->blocking_cmd_active = 1; 217 } 218 219 vdev_error: 220 return status; 221 } 222 223 enum wlan_serialization_status 224 wlan_ser_move_non_scan_pending_to_active( 225 struct wlan_ser_pdev_obj *ser_pdev_obj, 226 struct wlan_objmgr_vdev *vdev, 227 bool blocking_cmd_removed) 228 { 229 struct wlan_serialization_command_list *pending_cmd_list = NULL; 230 struct wlan_serialization_command_list *next_cmd_list = NULL; 231 struct wlan_serialization_command_list *active_cmd_list; 232 struct wlan_serialization_command cmd_to_remove; 233 enum wlan_serialization_status status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 234 struct wlan_serialization_pdev_queue *pdev_queue; 235 struct wlan_serialization_vdev_queue *vdev_queue; 236 237 struct wlan_ser_vdev_obj *ser_vdev_obj; 238 239 qdf_list_t *pending_queue; 240 qdf_list_node_t *pending_node = NULL; 241 qdf_list_node_t *next_node = NULL; 242 QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; 243 uint32_t blocking_cmd_waiting = 0; 244 uint32_t vdev_id; 245 uint32_t qsize; 246 bool vdev_cmd_active = 0; 247 bool vdev_queue_lookup = false; 248 249 pdev_queue = &ser_pdev_obj->pdev_q[SER_PDEV_QUEUE_COMP_NON_SCAN]; 250 251 ser_vdev_obj = wlan_serialization_get_vdev_obj(vdev); 252 vdev_queue = &ser_vdev_obj->vdev_q[SER_VDEV_QUEUE_COMP_NON_SCAN]; 253 254 if (!ser_pdev_obj) { 255 ser_err("Can't find ser_pdev_obj"); 256 goto error; 257 } 258 259 wlan_serialization_acquire_lock(&pdev_queue->pdev_queue_lock); 260 261 blocking_cmd_waiting = pdev_queue->blocking_cmd_waiting; 262 263 if (!blocking_cmd_removed && !blocking_cmd_waiting) { 264 pending_queue = &vdev_queue->pending_list; 265 vdev_queue_lookup = true; 266 } else { 267 pending_queue = &pdev_queue->pending_list; 268 } 269 270 qsize = wlan_serialization_list_size(pending_queue); 271 if (!qsize) { 272 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 273 goto error; 274 } 275 276 qdf_status = wlan_serialization_peek_front(pending_queue, 277 &pending_node); 278 if (qdf_status != QDF_STATUS_SUCCESS) { 279 ser_err("can't peek cmd"); 280 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 281 goto error; 282 } 283 284 while (qsize--) { 285 if (vdev_queue_lookup) { 286 pending_cmd_list = 287 qdf_container_of( 288 pending_node, 289 struct wlan_serialization_command_list, 290 vdev_node); 291 } else { 292 pending_cmd_list = 293 qdf_container_of( 294 pending_node, 295 struct wlan_serialization_command_list, 296 pdev_node); 297 } 298 299 if (!pending_cmd_list) { 300 wlan_serialization_release_lock( 301 &pdev_queue->pdev_queue_lock); 302 ser_debug( 303 "non scan cmd cannot move frm pendin to actv"); 304 goto error; 305 } 306 307 vdev_id = wlan_vdev_get_id(pending_cmd_list->cmd.vdev); 308 vdev_cmd_active = qdf_test_bit( 309 vdev_id, pdev_queue->vdev_active_cmd_bitmap); 310 311 if (!vdev_queue_lookup) { 312 if (pending_cmd_list->cmd.is_blocking && 313 wlan_serialization_any_vdev_cmd_active( 314 pdev_queue)) { 315 break; 316 } 317 /* 318 * For the last node we dont need the next node 319 */ 320 if (qsize) { 321 qdf_status = wlan_serialization_peek_next( 322 pending_queue, 323 pending_node, 324 &next_node); 325 326 if (qdf_status != QDF_STATUS_SUCCESS) { 327 ser_err("can't peek cmd"); 328 break; 329 } 330 331 pending_node = next_node; 332 333 next_cmd_list = qdf_container_of( 334 next_node, 335 struct wlan_serialization_command_list, 336 pdev_node); 337 338 qdf_atomic_set_bit(CMD_MARKED_FOR_MOVEMENT, 339 &next_cmd_list->cmd_in_use); 340 } 341 342 if (vdev_cmd_active) 343 continue; 344 345 } else { 346 if (vdev_cmd_active) 347 break; 348 349 if (qdf_atomic_test_bit( 350 CMD_MARKED_FOR_MOVEMENT, 351 &pending_cmd_list->cmd_in_use)) { 352 break; 353 } 354 } 355 356 qdf_mem_copy(&cmd_to_remove, &pending_cmd_list->cmd, 357 sizeof(struct wlan_serialization_command)); 358 359 qdf_status = wlan_ser_remove_non_scan_cmd(ser_pdev_obj, 360 &pending_cmd_list, 361 &cmd_to_remove, 362 false); 363 364 wlan_ser_update_cmd_history( 365 pdev_queue, &pending_cmd_list->cmd, 366 SER_PENDING_TO_ACTIVE, 367 false, false); 368 369 if (QDF_STATUS_SUCCESS != qdf_status) { 370 wlan_serialization_release_lock( 371 &pdev_queue->pdev_queue_lock); 372 ser_err("Can't remove cmd from pendingQ id-%d type-%d", 373 pending_cmd_list->cmd.cmd_id, 374 pending_cmd_list->cmd.cmd_type); 375 QDF_ASSERT(0); 376 status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 377 goto error; 378 } 379 380 active_cmd_list = pending_cmd_list; 381 382 status = wlan_ser_add_non_scan_cmd( 383 ser_pdev_obj, active_cmd_list, true); 384 385 if (WLAN_SER_CMD_ACTIVE != status) { 386 wlan_serialization_release_lock( 387 &pdev_queue->pdev_queue_lock); 388 ser_err("Can't move cmd to activeQ id-%d type-%d", 389 pending_cmd_list->cmd.cmd_id, 390 pending_cmd_list->cmd.cmd_type); 391 wlan_serialization_insert_back( 392 &pdev_queue->cmd_pool_list, 393 &active_cmd_list->pdev_node); 394 status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 395 QDF_ASSERT(0); 396 goto error; 397 } 398 399 wlan_ser_update_cmd_history( 400 pdev_queue, &active_cmd_list->cmd, 401 SER_PENDING_TO_ACTIVE, 402 true, true); 403 404 qdf_atomic_set_bit(CMD_MARKED_FOR_ACTIVATION, 405 &active_cmd_list->cmd_in_use); 406 407 if (active_cmd_list->cmd.is_blocking) 408 pdev_queue->blocking_cmd_waiting--; 409 410 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 411 412 wlan_serialization_activate_cmd(active_cmd_list, ser_pdev_obj, 413 SER_PENDING_TO_ACTIVE); 414 415 wlan_serialization_acquire_lock(&pdev_queue->pdev_queue_lock); 416 417 if (vdev_queue_lookup || pdev_queue->blocking_cmd_active) 418 break; 419 420 if (next_cmd_list) { 421 qdf_atomic_clear_bit(CMD_MARKED_FOR_MOVEMENT, 422 &next_cmd_list->cmd_in_use); 423 } 424 425 next_cmd_list = NULL; 426 } 427 428 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 429 error: 430 431 return status; 432 } 433 434 QDF_STATUS wlan_ser_remove_non_scan_cmd( 435 struct wlan_ser_pdev_obj *ser_pdev_obj, 436 struct wlan_serialization_command_list **pcmd_list, 437 struct wlan_serialization_command *cmd, 438 uint8_t is_active_cmd) 439 { 440 QDF_STATUS pdev_status, vdev_status; 441 QDF_STATUS status = QDF_STATUS_E_FAILURE; 442 uint32_t vdev_id; 443 bool blocking_cmd_removed = 0; 444 struct wlan_serialization_pdev_queue *pdev_queue; 445 446 vdev_status = 447 wlan_serialization_remove_cmd_from_vdev_queue(ser_pdev_obj, 448 pcmd_list, 449 cmd, 450 is_active_cmd); 451 452 /* Here command removal can fail for 2 reasons 453 * 1. The cmd is not present 454 * 2. The command had not returned from activation 455 * and will not be removed now. 456 * 457 * In the second case, we should not flag it as error 458 * since it will removed after the activation completes. 459 */ 460 461 if (vdev_status != QDF_STATUS_SUCCESS) { 462 status = vdev_status; 463 if (vdev_status != QDF_STATUS_E_PENDING) 464 ser_debug("Failed to remove type %d id %d from vdev queue", 465 cmd->cmd_type, cmd->cmd_id); 466 goto error; 467 } 468 469 pdev_status = 470 wlan_serialization_remove_cmd_from_pdev_queue(ser_pdev_obj, 471 pcmd_list, 472 cmd, 473 is_active_cmd); 474 475 if (pdev_status != QDF_STATUS_SUCCESS) { 476 ser_debug("Failed to remove type %d id %d from pdev active/pending queue", 477 cmd->cmd_type, cmd->cmd_id); 478 goto error; 479 } 480 481 if (is_active_cmd) { 482 blocking_cmd_removed = (*pcmd_list)->cmd.is_blocking; 483 pdev_queue = wlan_serialization_get_pdev_queue_obj( 484 ser_pdev_obj, (*pcmd_list)->cmd.cmd_type); 485 486 if (blocking_cmd_removed) 487 pdev_queue->blocking_cmd_active = 0; 488 489 vdev_id = wlan_vdev_get_id(cmd->vdev); 490 qdf_clear_bit(vdev_id, pdev_queue->vdev_active_cmd_bitmap); 491 } 492 493 status = QDF_STATUS_SUCCESS; 494 495 error: 496 return status; 497 } 498 499 enum wlan_serialization_cmd_status 500 wlan_ser_cancel_non_scan_cmd( 501 struct wlan_ser_pdev_obj *ser_pdev_obj, 502 struct wlan_objmgr_pdev *pdev, struct wlan_objmgr_vdev *vdev, 503 struct wlan_serialization_command *cmd, 504 enum wlan_serialization_cmd_type cmd_type, 505 uint8_t is_active_queue, enum wlan_ser_cmd_attr cmd_attr) 506 { 507 qdf_list_t *pdev_queue; 508 qdf_list_t *vdev_queue; 509 struct wlan_serialization_pdev_queue *pdev_q; 510 uint32_t qsize; 511 uint8_t vdev_id; 512 bool is_blocking; 513 struct wlan_serialization_command_list *cmd_list = NULL; 514 struct wlan_serialization_command cmd_bkup; 515 qdf_list_node_t *nnode = NULL, *pnode = NULL; 516 enum wlan_serialization_cmd_status status = WLAN_SER_CMD_NOT_FOUND; 517 struct wlan_objmgr_psoc *psoc = NULL; 518 QDF_STATUS qdf_status; 519 QDF_STATUS pdev_status, vdev_status; 520 struct wlan_ser_vdev_obj *ser_vdev_obj; 521 522 pdev_q = wlan_serialization_get_pdev_queue_obj(ser_pdev_obj, cmd_type); 523 524 pdev_queue = wlan_serialization_get_list_from_pdev_queue( 525 ser_pdev_obj, cmd_type, is_active_queue); 526 527 if (pdev) 528 psoc = wlan_pdev_get_psoc(pdev); 529 else if (vdev) 530 psoc = wlan_vdev_get_psoc(vdev); 531 else if (cmd && cmd->vdev) 532 psoc = wlan_vdev_get_psoc(cmd->vdev); 533 else 534 ser_debug("Can't find psoc"); 535 536 wlan_serialization_acquire_lock(&pdev_q->pdev_queue_lock); 537 538 qsize = wlan_serialization_list_size(pdev_queue); 539 while (!wlan_serialization_list_empty(pdev_queue) && qsize--) { 540 if (wlan_serialization_get_cmd_from_queue(pdev_queue, &nnode) 541 != QDF_STATUS_SUCCESS) { 542 ser_err("can't read cmd from queue"); 543 status = WLAN_SER_CMD_NOT_FOUND; 544 break; 545 } 546 cmd_list = 547 qdf_container_of(nnode, 548 struct wlan_serialization_command_list, 549 pdev_node); 550 if (cmd && !wlan_serialization_match_cmd_id_type( 551 nnode, cmd, 552 WLAN_SER_PDEV_NODE)) { 553 pnode = nnode; 554 continue; 555 } 556 557 if (vdev && 558 !wlan_serialization_match_cmd_vdev(nnode, 559 vdev, 560 WLAN_SER_PDEV_NODE)) { 561 pnode = nnode; 562 continue; 563 } 564 565 if (pdev && 566 !wlan_serialization_match_cmd_pdev(nnode, 567 pdev, 568 WLAN_SER_PDEV_NODE)) { 569 pnode = nnode; 570 continue; 571 } 572 573 if (cmd_type > WLAN_SER_CMD_NONSCAN && vdev && 574 (!wlan_serialization_match_cmd_type(nnode, cmd_type, 575 WLAN_SER_PDEV_NODE) || 576 !wlan_serialization_match_cmd_vdev(nnode, vdev, 577 WLAN_SER_PDEV_NODE))) { 578 pnode = nnode; 579 continue; 580 } 581 582 /* 583 * If a non-blocking cmd is required to be cancelled, but 584 * the nnode cmd is a blocking cmd then continue with the 585 * next command in the list else proceed with cmd cancel. 586 */ 587 if ((cmd_attr == WLAN_SER_CMD_ATTR_NONBLOCK) && 588 wlan_serialization_match_cmd_blocking(nnode, 589 WLAN_SER_PDEV_NODE)) { 590 pnode = nnode; 591 continue; 592 } 593 594 /* 595 * active queue can't be removed directly, requester needs to 596 * wait for active command response and send remove request for 597 * active command separately 598 */ 599 if (is_active_queue) { 600 if (!psoc || !cmd_list) { 601 ser_err("psoc:0x%pK, cmd_list:0x%pK", 602 psoc, cmd_list); 603 status = WLAN_SER_CMD_NOT_FOUND; 604 break; 605 } 606 607 /* Cancel request received for a cmd in active 608 * queue which has not been activated yet, we mark 609 * it as CMD_ACTIVE_MARKED_FOR_CANCEL and remove 610 * the cmd after activation 611 */ 612 if (qdf_atomic_test_bit(CMD_MARKED_FOR_ACTIVATION, 613 &cmd_list->cmd_in_use)) { 614 qdf_atomic_set_bit(CMD_ACTIVE_MARKED_FOR_CANCEL, 615 &cmd_list->cmd_in_use); 616 status = WLAN_SER_CMD_MARKED_FOR_ACTIVATION; 617 continue; 618 } 619 620 qdf_status = wlan_serialization_find_and_stop_timer( 621 psoc, &cmd_list->cmd, 622 SER_CANCEL); 623 if (QDF_IS_STATUS_ERROR(qdf_status)) { 624 ser_err("Can't find timer for active cmd"); 625 status = WLAN_SER_CMD_NOT_FOUND; 626 /* 627 * This should not happen, as an active command 628 * should always have the timer. 629 */ 630 QDF_BUG(0); 631 break; 632 } 633 634 status = WLAN_SER_CMD_IN_ACTIVE_LIST; 635 } 636 637 qdf_mem_copy(&cmd_bkup, &cmd_list->cmd, 638 sizeof(struct wlan_serialization_command)); 639 640 pdev_status = 641 wlan_serialization_remove_node(pdev_queue, 642 &cmd_list->pdev_node); 643 644 ser_vdev_obj = wlan_serialization_get_vdev_obj( 645 cmd_list->cmd.vdev); 646 647 vdev_queue = wlan_serialization_get_list_from_vdev_queue( 648 ser_vdev_obj, cmd_type, is_active_queue); 649 650 vdev_status = 651 wlan_serialization_remove_node(vdev_queue, 652 &cmd_list->vdev_node); 653 654 if (pdev_status != QDF_STATUS_SUCCESS || 655 vdev_status != QDF_STATUS_SUCCESS) { 656 ser_err("can't remove cmd from pdev/vdev queue"); 657 status = WLAN_SER_CMD_NOT_FOUND; 658 break; 659 } 660 661 qdf_mem_zero(&cmd_list->cmd, 662 sizeof(struct wlan_serialization_command)); 663 cmd_list->cmd_in_use = 0; 664 qdf_status = wlan_serialization_insert_back( 665 &pdev_q->cmd_pool_list, 666 &cmd_list->pdev_node); 667 668 if (QDF_STATUS_SUCCESS != qdf_status) { 669 ser_err("can't remove cmd from queue"); 670 status = WLAN_SER_CMD_NOT_FOUND; 671 break; 672 } 673 nnode = pnode; 674 675 vdev_id = wlan_vdev_get_id(cmd_bkup.vdev); 676 is_blocking = cmd_bkup.is_blocking; 677 678 wlan_ser_update_cmd_history(pdev_q, &cmd_bkup, 679 SER_CANCEL, false, is_active_queue); 680 681 wlan_serialization_release_lock(&pdev_q->pdev_queue_lock); 682 /* 683 * call pending cmd's callback to notify that 684 * it is being removed 685 */ 686 if (cmd_bkup.cmd_cb) { 687 /* caller should now do necessary clean up */ 688 ser_debug("Cancel command: type %d id %d and Release memory", 689 cmd_bkup.cmd_type, cmd_bkup.cmd_id); 690 cmd_bkup.cmd_cb(&cmd_bkup, WLAN_SER_CB_CANCEL_CMD); 691 /* caller should release the memory */ 692 cmd_bkup.cmd_cb(&cmd_bkup, WLAN_SER_CB_RELEASE_MEM_CMD); 693 } 694 695 wlan_serialization_acquire_lock(&pdev_q->pdev_queue_lock); 696 697 if (is_active_queue) { 698 if (is_blocking) 699 pdev_q->blocking_cmd_active = 0; 700 701 qdf_clear_bit(vdev_id, pdev_q->vdev_active_cmd_bitmap); 702 703 ser_debug("active_cmd_bitmap after resetting vdev %d", 704 vdev_id); 705 ser_debug_hex(pdev_q->vdev_active_cmd_bitmap, 706 sizeof(pdev_q->vdev_active_cmd_bitmap)); 707 708 } else { 709 if (is_blocking) 710 pdev_q->blocking_cmd_waiting--; 711 712 status = WLAN_SER_CMD_IN_PENDING_LIST; 713 } 714 715 716 if (!vdev && !pdev) 717 break; 718 } 719 720 wlan_serialization_release_lock(&pdev_q->pdev_queue_lock); 721 722 return status; 723 } 724