1 /* 2 * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 /** 20 * DOC: wlan_serialization_non_scan.c 21 * This file defines the functions which deals with 22 * serialization non scan commands. 23 */ 24 25 #include <wlan_objmgr_psoc_obj.h> 26 #include <wlan_objmgr_pdev_obj.h> 27 #include <wlan_objmgr_vdev_obj.h> 28 #include "wlan_serialization_main_i.h" 29 #include "wlan_serialization_utils_i.h" 30 #include "wlan_serialization_non_scan_i.h" 31 #include "qdf_util.h" 32 33 bool 34 wlan_serialization_is_non_scan_pending_queue_empty( 35 struct wlan_serialization_command *cmd) 36 { 37 struct wlan_objmgr_vdev *vdev = NULL; 38 struct wlan_ser_vdev_obj *ser_vdev_obj = NULL; 39 struct wlan_serialization_vdev_queue *vdev_q; 40 bool status = false; 41 42 vdev = wlan_serialization_get_vdev_from_cmd(cmd); 43 44 if (!vdev) { 45 ser_err("vdev object is invalid"); 46 goto error; 47 } 48 49 ser_vdev_obj = wlan_serialization_get_vdev_obj(vdev); 50 vdev_q = &ser_vdev_obj->vdev_q[SER_VDEV_QUEUE_COMP_NON_SCAN]; 51 52 if (qdf_list_empty(&vdev_q->pending_list)) 53 status = true; 54 55 error: 56 return status; 57 } 58 59 bool 60 wlan_serialization_is_active_non_scan_cmd_allowed( 61 struct wlan_serialization_command *cmd) 62 { 63 struct wlan_serialization_pdev_queue *pdev_queue; 64 struct wlan_ser_pdev_obj *ser_pdev_obj; 65 unsigned long *vdev_active_cmd_bitmap; 66 bool blocking_cmd_active = 0; 67 uint8_t blocking_cmd_waiting = 0; 68 bool status = false; 69 uint32_t vdev_id; 70 71 ser_pdev_obj = wlan_serialization_get_pdev_obj( 72 wlan_serialization_get_pdev_from_cmd(cmd)); 73 74 pdev_queue = wlan_serialization_get_pdev_queue_obj(ser_pdev_obj, 75 cmd->cmd_type); 76 77 vdev_active_cmd_bitmap = pdev_queue->vdev_active_cmd_bitmap; 78 79 blocking_cmd_active = pdev_queue->blocking_cmd_active; 80 blocking_cmd_waiting = pdev_queue->blocking_cmd_waiting; 81 82 /* 83 * Command is blocking 84 */ 85 if (cmd->is_blocking) { 86 /* 87 * For blocking commands, no other 88 * commands from any vdev should be active 89 */ 90 91 if (wlan_serialization_any_vdev_cmd_active(pdev_queue)) { 92 status = false; 93 pdev_queue->blocking_cmd_waiting++; 94 } else { 95 status = true; 96 } 97 } else { 98 /* 99 * Command is non blocking 100 * For activating non blocking commands, if there any blocking 101 * commands, waiting or active, put it to pending queue 102 */ 103 if (blocking_cmd_active || blocking_cmd_waiting) { 104 status = false; 105 } else { 106 /* 107 * For non blocking command, and no blocking commands 108 * waiting or active, check if a cmd for that vdev is active 109 * If not active, put to active else pending queue 110 */ 111 vdev_id = wlan_vdev_get_id(cmd->vdev); 112 status = qdf_test_bit(vdev_id, vdev_active_cmd_bitmap) 113 ? false : true; 114 115 ser_debug_hex( 116 vdev_active_cmd_bitmap, 117 sizeof(pdev_queue->vdev_active_cmd_bitmap)); 118 119 } 120 } 121 return status; 122 } 123 124 enum wlan_serialization_status wlan_ser_add_non_scan_cmd( 125 struct wlan_ser_pdev_obj *ser_pdev_obj, 126 struct wlan_serialization_command_list *cmd_list, 127 uint8_t is_cmd_for_active_queue) 128 { 129 enum wlan_serialization_status pdev_status, vdev_status; 130 enum wlan_serialization_status status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 131 struct wlan_serialization_command_list *pcmd_list; 132 uint8_t vdev_id; 133 struct wlan_serialization_pdev_queue *pdev_queue; 134 135 vdev_status = wlan_serialization_add_cmd_to_vdev_queue( 136 ser_pdev_obj, cmd_list, is_cmd_for_active_queue); 137 138 if (vdev_status == WLAN_SER_CMD_DENIED_LIST_FULL) { 139 ser_err_rl("List is full cannot add type %d cmd id %d", 140 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 141 status = vdev_status; 142 goto vdev_error; 143 } 144 145 if (is_cmd_for_active_queue) { 146 if (vdev_status != WLAN_SER_CMD_ACTIVE) { 147 ser_err("Failed to add type %d cmd id %d to vdev active queue", 148 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 149 QDF_ASSERT(0); 150 goto vdev_error; 151 } 152 } else { 153 if (vdev_status != WLAN_SER_CMD_PENDING) { 154 ser_err("Failed to add type %d cmd id %d to vdev pending queue", 155 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 156 QDF_ASSERT(0); 157 goto vdev_error; 158 } 159 } 160 161 pdev_status = wlan_serialization_add_cmd_to_pdev_queue( 162 ser_pdev_obj, cmd_list, is_cmd_for_active_queue); 163 164 if (pdev_status == WLAN_SER_CMD_DENIED_LIST_FULL) { 165 ser_err_rl("pdev List is full cannot add type %d cmd id %d", 166 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 167 status = pdev_status; 168 goto pdev_error; 169 } 170 171 if (is_cmd_for_active_queue) { 172 if (pdev_status != WLAN_SER_CMD_ACTIVE) { 173 ser_err("Failed to add type %d cmd id %d to pdev active queue", 174 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 175 QDF_ASSERT(0); 176 goto pdev_error; 177 } 178 } else { 179 if (pdev_status != WLAN_SER_CMD_PENDING) { 180 ser_err("Failed to add type %d cmd id %d to pdev pending queue", 181 cmd_list->cmd.cmd_type, cmd_list->cmd.cmd_id); 182 QDF_ASSERT(0); 183 goto pdev_error; 184 } 185 } 186 pdev_error: 187 /* 188 * If cmd added to vdev queue, but failed while 189 * adding to pdev queue, remove cmd from vdev queue as well 190 */ 191 if (pdev_status != vdev_status) { 192 wlan_serialization_remove_cmd_from_vdev_queue( 193 ser_pdev_obj, &pcmd_list, 194 &cmd_list->cmd, 195 is_cmd_for_active_queue); 196 goto vdev_error; 197 } else { 198 status = pdev_status; 199 } 200 201 if (is_cmd_for_active_queue) { 202 pdev_queue = wlan_serialization_get_pdev_queue_obj( 203 ser_pdev_obj, cmd_list->cmd.cmd_type); 204 vdev_id = wlan_vdev_get_id(cmd_list->cmd.vdev); 205 qdf_set_bit(vdev_id, pdev_queue->vdev_active_cmd_bitmap); 206 207 if (cmd_list->cmd.is_blocking) 208 pdev_queue->blocking_cmd_active = 1; 209 } 210 211 vdev_error: 212 return status; 213 } 214 215 enum wlan_serialization_status 216 wlan_ser_move_non_scan_pending_to_active( 217 struct wlan_ser_pdev_obj *ser_pdev_obj, 218 struct wlan_objmgr_vdev *vdev, 219 bool blocking_cmd_removed) 220 { 221 struct wlan_serialization_command_list *pending_cmd_list = NULL; 222 struct wlan_serialization_command_list *next_cmd_list = NULL; 223 struct wlan_serialization_command_list *active_cmd_list; 224 struct wlan_serialization_command cmd_to_remove; 225 enum wlan_serialization_status status = WLAN_SER_CMD_DENIED_UNSPECIFIED; 226 struct wlan_serialization_pdev_queue *pdev_queue; 227 struct wlan_serialization_vdev_queue *vdev_queue; 228 229 struct wlan_ser_vdev_obj *ser_vdev_obj; 230 231 qdf_list_t *pending_queue; 232 qdf_list_node_t *pending_node = NULL; 233 qdf_list_node_t *next_node = NULL; 234 QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; 235 uint32_t blocking_cmd_waiting = 0; 236 uint32_t vdev_id; 237 uint32_t qsize; 238 bool vdev_cmd_active = 0; 239 bool vdev_queue_lookup = false; 240 241 if (!ser_pdev_obj) { 242 ser_err("Can't find ser_pdev_obj"); 243 goto error; 244 } 245 246 pdev_queue = &ser_pdev_obj->pdev_q[SER_PDEV_QUEUE_COMP_NON_SCAN]; 247 248 ser_vdev_obj = wlan_serialization_get_vdev_obj(vdev); 249 250 if (!ser_vdev_obj) { 251 ser_err("Can't find ser_vdev_obj"); 252 goto error; 253 } 254 255 vdev_queue = &ser_vdev_obj->vdev_q[SER_VDEV_QUEUE_COMP_NON_SCAN]; 256 257 wlan_serialization_acquire_lock(&pdev_queue->pdev_queue_lock); 258 259 blocking_cmd_waiting = pdev_queue->blocking_cmd_waiting; 260 261 if (!blocking_cmd_removed && !blocking_cmd_waiting) { 262 pending_queue = &vdev_queue->pending_list; 263 vdev_queue_lookup = true; 264 } else { 265 pending_queue = &pdev_queue->pending_list; 266 } 267 268 qsize = wlan_serialization_list_size(pending_queue); 269 if (!qsize) { 270 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 271 goto error; 272 } 273 274 qdf_status = wlan_serialization_peek_front(pending_queue, 275 &pending_node); 276 if (qdf_status != QDF_STATUS_SUCCESS) { 277 ser_err("can't peek cmd"); 278 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 279 goto error; 280 } 281 282 while (qsize--) { 283 if (vdev_queue_lookup) { 284 pending_cmd_list = 285 qdf_container_of( 286 pending_node, 287 struct wlan_serialization_command_list, 288 vdev_node); 289 } else { 290 pending_cmd_list = 291 qdf_container_of( 292 pending_node, 293 struct wlan_serialization_command_list, 294 pdev_node); 295 } 296 297 if (!pending_cmd_list) { 298 wlan_serialization_release_lock( 299 &pdev_queue->pdev_queue_lock); 300 ser_debug( 301 "non scan cmd cannot move frm pendin to actv"); 302 goto error; 303 } 304 305 vdev_id = wlan_vdev_get_id(pending_cmd_list->cmd.vdev); 306 vdev_cmd_active = qdf_test_bit( 307 vdev_id, pdev_queue->vdev_active_cmd_bitmap); 308 309 if (!vdev_queue_lookup) { 310 if (pending_cmd_list->cmd.is_blocking && 311 wlan_serialization_any_vdev_cmd_active( 312 pdev_queue)) { 313 break; 314 } 315 /* 316 * For the last node we dont need the next node 317 */ 318 if (qsize) { 319 qdf_status = wlan_serialization_peek_next( 320 pending_queue, 321 pending_node, 322 &next_node); 323 324 if (qdf_status != QDF_STATUS_SUCCESS) { 325 ser_err("can't peek cmd"); 326 break; 327 } 328 329 pending_node = next_node; 330 331 next_cmd_list = qdf_container_of( 332 next_node, 333 struct wlan_serialization_command_list, 334 pdev_node); 335 336 qdf_atomic_set_bit(CMD_MARKED_FOR_MOVEMENT, 337 &next_cmd_list->cmd_in_use); 338 } 339 340 if (vdev_cmd_active) { 341 qdf_atomic_clear_bit(CMD_MARKED_FOR_MOVEMENT, 342 &pending_cmd_list->cmd_in_use); 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 qsize = wlan_serialization_list_size(pending_queue); 421 if (!qsize) { 422 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 423 goto error; 424 } 425 426 qdf_status = wlan_serialization_peek_front(pending_queue, 427 &pending_node); 428 if (qdf_status != QDF_STATUS_SUCCESS) { 429 ser_err("can't peek cmd"); 430 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 431 goto error; 432 } 433 } 434 435 wlan_serialization_release_lock(&pdev_queue->pdev_queue_lock); 436 error: 437 438 return status; 439 } 440 441 QDF_STATUS wlan_ser_remove_non_scan_cmd( 442 struct wlan_ser_pdev_obj *ser_pdev_obj, 443 struct wlan_serialization_command_list **pcmd_list, 444 struct wlan_serialization_command *cmd, 445 uint8_t is_active_cmd) 446 { 447 QDF_STATUS pdev_status, vdev_status; 448 QDF_STATUS status = QDF_STATUS_E_FAILURE; 449 uint32_t vdev_id; 450 bool blocking_cmd_removed = 0; 451 struct wlan_serialization_pdev_queue *pdev_queue; 452 453 vdev_status = 454 wlan_serialization_remove_cmd_from_vdev_queue(ser_pdev_obj, 455 pcmd_list, 456 cmd, 457 is_active_cmd); 458 459 /* Here command removal can fail for 2 reasons 460 * 1. The cmd is not present 461 * 2. The command had not returned from activation 462 * and will not be removed now. 463 * 464 * In the second case, we should not flag it as error 465 * since it will removed after the activation completes. 466 */ 467 468 if (vdev_status != QDF_STATUS_SUCCESS) { 469 status = vdev_status; 470 if (vdev_status != QDF_STATUS_E_PENDING) 471 ser_debug("Failed to remove type %d id %d from vdev queue", 472 cmd->cmd_type, cmd->cmd_id); 473 goto error; 474 } 475 476 pdev_status = 477 wlan_serialization_remove_cmd_from_pdev_queue(ser_pdev_obj, 478 pcmd_list, 479 cmd, 480 is_active_cmd); 481 482 if (pdev_status != QDF_STATUS_SUCCESS) { 483 ser_debug("Failed to remove type %d id %d from pdev active/pending queue", 484 cmd->cmd_type, cmd->cmd_id); 485 goto error; 486 } 487 488 if (is_active_cmd) { 489 blocking_cmd_removed = (*pcmd_list)->cmd.is_blocking; 490 pdev_queue = wlan_serialization_get_pdev_queue_obj( 491 ser_pdev_obj, (*pcmd_list)->cmd.cmd_type); 492 493 if (blocking_cmd_removed) 494 pdev_queue->blocking_cmd_active = 0; 495 496 vdev_id = wlan_vdev_get_id(cmd->vdev); 497 qdf_clear_bit(vdev_id, pdev_queue->vdev_active_cmd_bitmap); 498 } 499 500 status = QDF_STATUS_SUCCESS; 501 502 error: 503 return status; 504 } 505 506 enum wlan_serialization_cmd_status 507 wlan_ser_cancel_non_scan_cmd( 508 struct wlan_ser_pdev_obj *ser_pdev_obj, 509 struct wlan_objmgr_pdev *pdev, struct wlan_objmgr_vdev *vdev, 510 struct wlan_serialization_command *cmd, 511 enum wlan_serialization_cmd_type cmd_type, 512 uint8_t is_active_queue, enum wlan_ser_cmd_attr cmd_attr) 513 { 514 qdf_list_t *pdev_queue; 515 qdf_list_t *vdev_queue; 516 struct wlan_serialization_pdev_queue *pdev_q; 517 uint32_t qsize; 518 uint8_t vdev_id; 519 bool is_blocking; 520 struct wlan_serialization_command_list *cmd_list = NULL; 521 struct wlan_serialization_command cmd_bkup; 522 qdf_list_node_t *nnode = NULL, *pnode = NULL; 523 enum wlan_serialization_cmd_status status = WLAN_SER_CMD_NOT_FOUND; 524 struct wlan_objmgr_psoc *psoc = NULL; 525 QDF_STATUS qdf_status; 526 QDF_STATUS pdev_status, vdev_status; 527 struct wlan_ser_vdev_obj *ser_vdev_obj; 528 529 pdev_q = wlan_serialization_get_pdev_queue_obj(ser_pdev_obj, cmd_type); 530 531 pdev_queue = wlan_serialization_get_list_from_pdev_queue( 532 ser_pdev_obj, cmd_type, is_active_queue); 533 534 if (pdev) 535 psoc = wlan_pdev_get_psoc(pdev); 536 else if (vdev) 537 psoc = wlan_vdev_get_psoc(vdev); 538 else if (cmd && cmd->vdev) 539 psoc = wlan_vdev_get_psoc(cmd->vdev); 540 else 541 ser_debug("Can't find psoc"); 542 543 wlan_serialization_acquire_lock(&pdev_q->pdev_queue_lock); 544 545 qsize = wlan_serialization_list_size(pdev_queue); 546 while (!wlan_serialization_list_empty(pdev_queue) && qsize--) { 547 if (wlan_serialization_get_cmd_from_queue(pdev_queue, &nnode) 548 != QDF_STATUS_SUCCESS) { 549 ser_err("can't read cmd from queue"); 550 status = WLAN_SER_CMD_NOT_FOUND; 551 break; 552 } 553 cmd_list = 554 qdf_container_of(nnode, 555 struct wlan_serialization_command_list, 556 pdev_node); 557 if (cmd && 558 !(wlan_serialization_match_cmd_id_type(nnode, cmd, 559 WLAN_SER_PDEV_NODE) && 560 wlan_serialization_match_cmd_vdev(nnode, cmd->vdev, 561 WLAN_SER_PDEV_NODE))) { 562 pnode = nnode; 563 continue; 564 } 565 566 if (vdev && 567 !wlan_serialization_match_cmd_vdev(nnode, 568 vdev, 569 WLAN_SER_PDEV_NODE)) { 570 pnode = nnode; 571 continue; 572 } 573 574 if (pdev && 575 !wlan_serialization_match_cmd_pdev(nnode, 576 pdev, 577 WLAN_SER_PDEV_NODE)) { 578 pnode = nnode; 579 continue; 580 } 581 582 if (cmd_type > WLAN_SER_CMD_NONSCAN && vdev && 583 (!wlan_serialization_match_cmd_type(nnode, cmd_type, 584 WLAN_SER_PDEV_NODE) || 585 !wlan_serialization_match_cmd_vdev(nnode, vdev, 586 WLAN_SER_PDEV_NODE))) { 587 pnode = nnode; 588 continue; 589 } 590 591 /* 592 * If a non-blocking cmd is required to be cancelled, but 593 * the nnode cmd is a blocking cmd then continue with the 594 * next command in the list else proceed with cmd cancel. 595 */ 596 if ((cmd_attr == WLAN_SER_CMD_ATTR_NONBLOCK) && 597 wlan_serialization_match_cmd_blocking(nnode, 598 WLAN_SER_PDEV_NODE)) { 599 pnode = nnode; 600 continue; 601 } 602 603 /* 604 * active queue can't be removed directly, requester needs to 605 * wait for active command response and send remove request for 606 * active command separately 607 */ 608 if (is_active_queue) { 609 if (!psoc || !cmd_list) { 610 ser_err("psoc:0x%pK, cmd_list:0x%pK", 611 psoc, cmd_list); 612 status = WLAN_SER_CMD_NOT_FOUND; 613 break; 614 } 615 616 /* Cancel request received for a cmd in active 617 * queue which has not been activated yet, we mark 618 * it as CMD_ACTIVE_MARKED_FOR_CANCEL and remove 619 * the cmd after activation 620 */ 621 if (qdf_atomic_test_bit(CMD_MARKED_FOR_ACTIVATION, 622 &cmd_list->cmd_in_use)) { 623 qdf_atomic_set_bit(CMD_ACTIVE_MARKED_FOR_CANCEL, 624 &cmd_list->cmd_in_use); 625 status = WLAN_SER_CMD_MARKED_FOR_ACTIVATION; 626 continue; 627 } 628 629 qdf_status = wlan_serialization_find_and_stop_timer( 630 psoc, &cmd_list->cmd, 631 SER_CANCEL); 632 if (QDF_IS_STATUS_ERROR(qdf_status)) { 633 ser_err("Can't find timer for active cmd"); 634 status = WLAN_SER_CMD_NOT_FOUND; 635 /* 636 * This should not happen, as an active command 637 * should always have the timer. 638 */ 639 QDF_BUG(0); 640 break; 641 } 642 643 status = WLAN_SER_CMD_IN_ACTIVE_LIST; 644 } 645 646 qdf_mem_copy(&cmd_bkup, &cmd_list->cmd, 647 sizeof(struct wlan_serialization_command)); 648 649 pdev_status = 650 wlan_serialization_remove_node(pdev_queue, 651 &cmd_list->pdev_node); 652 653 ser_vdev_obj = wlan_serialization_get_vdev_obj( 654 cmd_list->cmd.vdev); 655 656 vdev_queue = wlan_serialization_get_list_from_vdev_queue( 657 ser_vdev_obj, cmd_type, is_active_queue); 658 659 vdev_status = 660 wlan_serialization_remove_node(vdev_queue, 661 &cmd_list->vdev_node); 662 663 if (pdev_status != QDF_STATUS_SUCCESS || 664 vdev_status != QDF_STATUS_SUCCESS) { 665 ser_err("can't remove cmd from pdev/vdev queue"); 666 status = WLAN_SER_CMD_NOT_FOUND; 667 break; 668 } 669 670 qdf_mem_zero(&cmd_list->cmd, 671 sizeof(struct wlan_serialization_command)); 672 cmd_list->cmd_in_use = 0; 673 qdf_status = wlan_serialization_insert_back( 674 &pdev_q->cmd_pool_list, 675 &cmd_list->pdev_node); 676 677 if (QDF_STATUS_SUCCESS != qdf_status) { 678 ser_err("can't remove cmd from queue"); 679 status = WLAN_SER_CMD_NOT_FOUND; 680 break; 681 } 682 nnode = pnode; 683 684 vdev_id = wlan_vdev_get_id(cmd_bkup.vdev); 685 is_blocking = cmd_bkup.is_blocking; 686 687 wlan_ser_update_cmd_history(pdev_q, &cmd_bkup, 688 SER_CANCEL, false, is_active_queue); 689 690 wlan_serialization_release_lock(&pdev_q->pdev_queue_lock); 691 /* 692 * call pending cmd's callback to notify that 693 * it is being removed 694 */ 695 if (cmd_bkup.cmd_cb) { 696 /* caller should now do necessary clean up */ 697 ser_debug("Cancel command: type %d id %d vdev %d and Release memory", 698 cmd_bkup.cmd_type, cmd_bkup.cmd_id, vdev_id); 699 cmd_bkup.cmd_cb(&cmd_bkup, WLAN_SER_CB_CANCEL_CMD); 700 /* caller should release the memory */ 701 cmd_bkup.cmd_cb(&cmd_bkup, WLAN_SER_CB_RELEASE_MEM_CMD); 702 } 703 704 wlan_serialization_acquire_lock(&pdev_q->pdev_queue_lock); 705 706 if (is_active_queue) { 707 if (is_blocking) 708 pdev_q->blocking_cmd_active = 0; 709 710 qdf_clear_bit(vdev_id, pdev_q->vdev_active_cmd_bitmap); 711 712 ser_debug("active_cmd_bitmap after resetting vdev %d", 713 vdev_id); 714 ser_debug_hex(pdev_q->vdev_active_cmd_bitmap, 715 sizeof(pdev_q->vdev_active_cmd_bitmap)); 716 717 } else { 718 if (is_blocking) 719 pdev_q->blocking_cmd_waiting--; 720 721 status = WLAN_SER_CMD_IN_PENDING_LIST; 722 } 723 724 725 if (!vdev && !pdev) 726 break; 727 } 728 729 wlan_serialization_release_lock(&pdev_q->pdev_queue_lock); 730 731 return status; 732 } 733 734 bool 735 wlan_serialization_is_blocking_non_scan_cmd_waiting( 736 struct wlan_objmgr_pdev *pdev) 737 { 738 struct wlan_serialization_pdev_queue *pdev_queue; 739 struct wlan_ser_pdev_obj *ser_pdev_obj; 740 bool blocking_cmd_active = 0; 741 uint8_t blocking_cmd_waiting = 0; 742 743 ser_pdev_obj = wlan_serialization_get_pdev_obj(pdev); 744 745 pdev_queue = wlan_serialization_get_pdev_queue_obj( 746 ser_pdev_obj, 747 WLAN_SER_CMD_NONSCAN); 748 749 blocking_cmd_active = pdev_queue->blocking_cmd_active; 750 blocking_cmd_waiting = pdev_queue->blocking_cmd_waiting; 751 752 if (blocking_cmd_active || blocking_cmd_waiting) 753 return true; 754 755 return false; 756 } 757