1 /* 2 * Copyright (c) 2017-2018 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 /* 20 * DOC: contains scan north bound interface definitions 21 */ 22 23 #include <scheduler_api.h> 24 #include <wlan_scan_ucfg_api.h> 25 #include <wlan_objmgr_global_obj.h> 26 #include <wlan_objmgr_cmn.h> 27 #include <wlan_serialization_api.h> 28 #include <wlan_scan_tgt_api.h> 29 #include <wlan_scan_utils_api.h> 30 #include <wlan_reg_ucfg_api.h> 31 #include <wlan_reg_services_api.h> 32 #include <wlan_utility.h> 33 #include "../../core/src/wlan_scan_main.h" 34 #include "../../core/src/wlan_scan_manager.h" 35 #include "../../core/src/wlan_scan_cache_db.h" 36 #ifdef WLAN_POWER_MANAGEMENT_OFFLOAD 37 #include <wlan_pmo_obj_mgmt_api.h> 38 #endif 39 #ifdef WLAN_POLICY_MGR_ENABLE 40 #include <wlan_dfs_utils_api.h> 41 #include <wlan_policy_mgr_api.h> 42 #endif 43 #include "cfg_ucfg_api.h" 44 #include "wlan_extscan_api.h" 45 46 QDF_STATUS ucfg_scan_register_bcn_cb(struct wlan_objmgr_psoc *psoc, 47 update_beacon_cb cb, enum scan_cb_type type) 48 { 49 return scm_scan_register_bcn_cb(psoc, cb, type); 50 } 51 52 qdf_list_t *ucfg_scan_get_result(struct wlan_objmgr_pdev *pdev, 53 struct scan_filter *filter) 54 { 55 return scm_get_scan_result(pdev, filter); 56 } 57 58 QDF_STATUS ucfg_scan_db_iterate(struct wlan_objmgr_pdev *pdev, 59 scan_iterator_func func, void *arg) 60 { 61 return scm_iterate_scan_db(pdev, func, arg); 62 } 63 64 QDF_STATUS ucfg_scan_purge_results(qdf_list_t *scan_list) 65 { 66 return scm_purge_scan_results(scan_list); 67 } 68 69 QDF_STATUS ucfg_scan_flush_results(struct wlan_objmgr_pdev *pdev, 70 struct scan_filter *filter) 71 { 72 return scm_flush_results(pdev, filter); 73 } 74 75 void ucfg_scan_filter_valid_channel(struct wlan_objmgr_pdev *pdev, 76 uint8_t *chan_list, uint32_t num_chan) 77 { 78 scm_filter_valid_channel(pdev, chan_list, num_chan); 79 } 80 81 QDF_STATUS ucfg_scan_init(void) 82 { 83 QDF_STATUS status; 84 85 status = wlan_objmgr_register_psoc_create_handler(WLAN_UMAC_COMP_SCAN, 86 wlan_scan_psoc_created_notification, NULL); 87 if (QDF_IS_STATUS_ERROR(status)) { 88 scm_err("Failed to register psoc create handler"); 89 goto fail_create_psoc; 90 } 91 92 status = wlan_objmgr_register_psoc_destroy_handler(WLAN_UMAC_COMP_SCAN, 93 wlan_scan_psoc_destroyed_notification, NULL); 94 if (QDF_IS_STATUS_ERROR(status)) { 95 scm_err("Failed to create psoc delete handler"); 96 goto fail_psoc_destroy; 97 } 98 scm_debug("scan psoc create and delete handler registered with objmgr"); 99 100 status = wlan_objmgr_register_vdev_create_handler(WLAN_UMAC_COMP_SCAN, 101 wlan_scan_vdev_created_notification, NULL); 102 if (QDF_IS_STATUS_ERROR(status)) { 103 scm_err("Failed to register vdev create handler"); 104 goto fail_pdev_create; 105 } 106 107 status = wlan_objmgr_register_vdev_destroy_handler(WLAN_UMAC_COMP_SCAN, 108 wlan_scan_vdev_destroyed_notification, NULL); 109 if (QDF_IS_STATUS_SUCCESS(status)) { 110 scm_debug("scan vdev create and delete handler registered with objmgr"); 111 return QDF_STATUS_SUCCESS; 112 } 113 114 scm_err("Failed to destroy vdev delete handler"); 115 wlan_objmgr_unregister_vdev_create_handler(WLAN_UMAC_COMP_SCAN, 116 wlan_scan_vdev_created_notification, NULL); 117 fail_pdev_create: 118 wlan_objmgr_unregister_psoc_destroy_handler(WLAN_UMAC_COMP_SCAN, 119 wlan_scan_psoc_destroyed_notification, NULL); 120 fail_psoc_destroy: 121 wlan_objmgr_unregister_psoc_create_handler(WLAN_UMAC_COMP_SCAN, 122 wlan_scan_psoc_created_notification, NULL); 123 fail_create_psoc: 124 return status; 125 } 126 127 QDF_STATUS ucfg_scan_deinit(void) 128 { 129 QDF_STATUS status; 130 131 status = wlan_objmgr_unregister_psoc_create_handler(WLAN_UMAC_COMP_SCAN, 132 wlan_scan_psoc_created_notification, NULL); 133 if (status != QDF_STATUS_SUCCESS) 134 scm_err("Failed to unregister psoc create handler"); 135 136 status = wlan_objmgr_unregister_psoc_destroy_handler( 137 WLAN_UMAC_COMP_SCAN, 138 wlan_scan_psoc_destroyed_notification, NULL); 139 if (status != QDF_STATUS_SUCCESS) 140 scm_err("Failed to unregister psoc delete handler"); 141 142 status = wlan_objmgr_unregister_vdev_create_handler(WLAN_UMAC_COMP_SCAN, 143 wlan_scan_vdev_created_notification, NULL); 144 if (status != QDF_STATUS_SUCCESS) 145 scm_err("Failed to unregister vdev create handler"); 146 147 status = wlan_objmgr_unregister_vdev_destroy_handler( 148 WLAN_UMAC_COMP_SCAN, 149 wlan_scan_vdev_destroyed_notification, NULL); 150 if (status != QDF_STATUS_SUCCESS) 151 scm_err("Failed to unregister vdev delete handler"); 152 153 return status; 154 } 155 156 #ifdef FEATURE_WLAN_SCAN_PNO 157 158 QDF_STATUS ucfg_scan_pno_start(struct wlan_objmgr_vdev *vdev, 159 struct pno_scan_req_params *req) 160 { 161 struct scan_vdev_obj *scan_vdev_obj; 162 QDF_STATUS status; 163 164 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 165 if (!scan_vdev_obj) { 166 scm_err("null scan_vdev_obj"); 167 return QDF_STATUS_E_INVAL; 168 } 169 if (scan_vdev_obj->pno_in_progress) { 170 scm_err("pno already in progress"); 171 return QDF_STATUS_E_ALREADY; 172 } 173 174 status = tgt_scan_pno_start(vdev, req); 175 if (QDF_IS_STATUS_ERROR(status)) 176 scm_err("pno start failed"); 177 else 178 scan_vdev_obj->pno_in_progress = true; 179 180 return status; 181 } 182 183 QDF_STATUS ucfg_scan_pno_stop(struct wlan_objmgr_vdev *vdev) 184 { 185 struct scan_vdev_obj *scan_vdev_obj; 186 QDF_STATUS status; 187 188 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 189 if (!scan_vdev_obj) { 190 scm_err("null scan_vdev_obj"); 191 return QDF_STATUS_E_INVAL; 192 } 193 if (!scan_vdev_obj->pno_in_progress) { 194 scm_debug("pno already stopped"); 195 return QDF_STATUS_E_ALREADY; 196 } 197 198 status = tgt_scan_pno_stop(vdev, wlan_vdev_get_id(vdev)); 199 if (QDF_IS_STATUS_ERROR(status)) 200 scm_err("pno start failed"); 201 else 202 scan_vdev_obj->pno_in_progress = false; 203 204 return status; 205 } 206 207 bool ucfg_scan_get_pno_in_progress(struct wlan_objmgr_vdev *vdev) 208 { 209 struct scan_vdev_obj *scan_vdev_obj; 210 211 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 212 if (!scan_vdev_obj) { 213 scm_err("null scan_vdev_obj"); 214 return false; 215 } 216 217 return scan_vdev_obj->pno_in_progress; 218 } 219 220 bool ucfg_scan_get_pno_match(struct wlan_objmgr_vdev *vdev) 221 { 222 struct scan_vdev_obj *scan_vdev_obj; 223 224 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 225 if (!scan_vdev_obj) { 226 scm_err("null scan_vdev_obj"); 227 return false; 228 } 229 230 return scan_vdev_obj->pno_match_evt_received; 231 } 232 233 static QDF_STATUS 234 wlan_pno_global_init(struct pno_def_config *pno_def) 235 { 236 struct nlo_mawc_params *mawc_cfg; 237 238 qdf_wake_lock_create(&pno_def->pno_wake_lock, "wlan_pno_wl"); 239 mawc_cfg = &pno_def->mawc_params; 240 pno_def->channel_prediction = SCAN_PNO_CHANNEL_PREDICTION; 241 pno_def->top_k_num_of_channels = SCAN_TOP_K_NUM_OF_CHANNELS; 242 pno_def->stationary_thresh = SCAN_STATIONARY_THRESHOLD; 243 pno_def->channel_prediction_full_scan = 244 SCAN_CHANNEL_PREDICTION_FULL_SCAN_MS; 245 pno_def->adaptive_dwell_mode = SCAN_ADAPTIVE_PNOSCAN_DWELL_MODE; 246 mawc_cfg->enable = SCAN_MAWC_NLO_ENABLED; 247 mawc_cfg->exp_backoff_ratio = SCAN_MAWC_NLO_EXP_BACKOFF_RATIO; 248 mawc_cfg->init_scan_interval = SCAN_MAWC_NLO_INIT_SCAN_INTERVAL; 249 mawc_cfg->max_scan_interval = SCAN_MAWC_NLO_MAX_SCAN_INTERVAL; 250 251 return QDF_STATUS_SUCCESS; 252 } 253 254 static QDF_STATUS 255 wlan_pno_global_deinit(struct pno_def_config *pno_def) 256 { 257 qdf_wake_lock_destroy(&pno_def->pno_wake_lock); 258 259 return QDF_STATUS_SUCCESS; 260 } 261 262 #ifdef WLAN_POLICY_MGR_ENABLE 263 /* 264 * ucfg_scan_update_pno_dwell_time() - update active and passive dwell time 265 * depending on active concurrency modes 266 * @vdev: vdev object pointer 267 * @req: scan request 268 * 269 * Return: void 270 */ 271 static void ucfg_scan_update_pno_dwell_time(struct wlan_objmgr_vdev *vdev, 272 struct pno_scan_req_params *req, struct scan_default_params *scan_def) 273 { 274 bool sap_or_p2p_present; 275 struct wlan_objmgr_psoc *psoc; 276 277 psoc = wlan_vdev_get_psoc(vdev); 278 279 if (!psoc) 280 return; 281 282 sap_or_p2p_present = policy_mgr_mode_specific_connection_count( 283 psoc, PM_SAP_MODE, NULL) || 284 policy_mgr_mode_specific_connection_count( 285 psoc, PM_P2P_GO_MODE, NULL) || 286 policy_mgr_mode_specific_connection_count( 287 psoc, PM_P2P_CLIENT_MODE, NULL); 288 289 if (sap_or_p2p_present) { 290 req->active_dwell_time = scan_def->conc_active_dwell; 291 req->passive_dwell_time = scan_def->conc_passive_dwell; 292 } 293 294 } 295 #else 296 static inline void ucfg_scan_update_pno_dwell_time(struct wlan_objmgr_vdev *vdev, 297 struct pno_scan_req_params *req, struct scan_default_params *scan_def){} 298 #endif 299 300 QDF_STATUS 301 ucfg_scan_get_pno_def_params(struct wlan_objmgr_vdev *vdev, 302 struct pno_scan_req_params *req) 303 { 304 struct scan_default_params *scan_def; 305 struct wlan_scan_obj *scan; 306 struct pno_def_config *pno_def; 307 308 if (!vdev || !req) { 309 scm_err("vdev: 0x%pK, req: 0x%pK", 310 vdev, req); 311 return QDF_STATUS_E_INVAL; 312 } 313 314 scan = wlan_vdev_get_scan_obj(vdev); 315 if (!scan) { 316 scm_err("scan is NULL"); 317 return QDF_STATUS_E_INVAL; 318 } 319 scan_def = wlan_vdev_get_def_scan_params(vdev); 320 if (!scan_def) { 321 scm_err("wlan_vdev_get_def_scan_params returned NULL"); 322 return QDF_STATUS_E_NULL_VALUE; 323 } 324 325 pno_def = &scan->pno_cfg; 326 req->active_dwell_time = scan_def->active_dwell; 327 req->passive_dwell_time = scan_def->passive_dwell; 328 req->scan_random.randomize = scan_def->enable_mac_spoofing; 329 330 /* 331 * Update active and passive dwell time depending 332 * upon the present active concurrency mode 333 */ 334 ucfg_scan_update_pno_dwell_time(vdev, req, scan_def); 335 req->adaptive_dwell_mode = pno_def->adaptive_dwell_mode; 336 req->pno_channel_prediction = pno_def->channel_prediction; 337 req->top_k_num_of_channels = pno_def->top_k_num_of_channels; 338 req->stationary_thresh = pno_def->stationary_thresh; 339 req->channel_prediction_full_scan = 340 pno_def->channel_prediction_full_scan; 341 req->mawc_params.vdev_id = wlan_vdev_get_id(vdev); 342 qdf_mem_copy(&req->mawc_params, &pno_def->mawc_params, 343 sizeof(req->mawc_params)); 344 345 return QDF_STATUS_SUCCESS; 346 } 347 348 static QDF_STATUS ucfg_scan_update_pno_config(struct pno_def_config *pno, 349 struct pno_user_cfg *pno_cfg) 350 { 351 pno->channel_prediction = pno_cfg->channel_prediction; 352 pno->top_k_num_of_channels = pno_cfg->top_k_num_of_channels; 353 pno->stationary_thresh = pno_cfg->stationary_thresh; 354 pno->adaptive_dwell_mode = pno_cfg->adaptive_dwell_mode; 355 pno->channel_prediction_full_scan = 356 pno_cfg->channel_prediction_full_scan; 357 qdf_mem_copy(&pno->mawc_params, &pno_cfg->mawc_params, 358 sizeof(pno->mawc_params)); 359 360 return QDF_STATUS_SUCCESS; 361 } 362 363 QDF_STATUS 364 ucfg_scan_register_pno_cb(struct wlan_objmgr_psoc *psoc, 365 scan_event_handler event_cb, void *arg) 366 { 367 struct wlan_scan_obj *scan; 368 369 if (!psoc) { 370 scm_err("null psoc"); 371 return QDF_STATUS_E_INVAL; 372 } 373 scan = wlan_psoc_get_scan_obj(psoc); 374 qdf_spin_lock_bh(&scan->lock); 375 scan->pno_cfg.pno_cb.func = event_cb; 376 scan->pno_cfg.pno_cb.arg = arg; 377 qdf_spin_unlock_bh(&scan->lock); 378 scm_debug("event_cb: 0x%pK, arg: 0x%pK", event_cb, arg); 379 380 return QDF_STATUS_SUCCESS; 381 } 382 383 #else 384 385 static inline QDF_STATUS 386 wlan_pno_global_init(struct pno_def_config *pno_def) 387 { 388 return QDF_STATUS_SUCCESS; 389 } 390 static inline QDF_STATUS 391 wlan_pno_global_deinit(struct pno_def_config *pno_def) 392 { 393 return QDF_STATUS_SUCCESS; 394 } 395 396 static inline QDF_STATUS 397 ucfg_scan_update_pno_config(struct pno_def_config *pno, 398 struct pno_user_cfg *pno_cfg) 399 { 400 return QDF_STATUS_SUCCESS; 401 } 402 403 #endif 404 405 #ifdef WLAN_POLICY_MGR_ENABLE 406 /** 407 * ucfg_scan_update_dbs_scan_ctrl_ext_flag() - update dbs scan ctrl flags 408 * @req: pointer to scan request 409 * 410 * This function sets scan_ctrl_flags_ext value depending on the type of 411 * scan and the channel lists. 412 * 413 * Non-DBS scan is requested if any of the below case is met: 414 * 1. HW is DBS incapable 415 * 2. Directed scan 416 * 3. Channel list has only few channels 417 * 4. Channel list has single band channels 418 * 5. A high accuracy scan request is sent by kernel. 419 * 420 * DBS scan is enabled for these conditions: 421 * 1. A low power or low span scan request is sent by kernel. 422 * For remaining cases DBS is enabled by default. 423 * Return: void 424 */ 425 static void 426 ucfg_scan_update_dbs_scan_ctrl_ext_flag(struct scan_start_request *req) 427 { 428 uint32_t num_chan; 429 struct wlan_objmgr_psoc *psoc; 430 uint32_t scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT; 431 uint32_t conn_cnt; 432 433 psoc = wlan_vdev_get_psoc(req->vdev); 434 435 if ((DISABLE_DBS_CXN_AND_SCAN == 436 wlan_objmgr_psoc_get_dual_mac_disable(psoc)) || 437 (ENABLE_DBS_CXN_AND_DISABLE_DBS_SCAN == 438 wlan_objmgr_psoc_get_dual_mac_disable(psoc))) 439 goto end; 440 441 if (req->scan_req.scan_policy_high_accuracy) 442 goto end; 443 444 if ((req->scan_req.scan_policy_low_power) || 445 (req->scan_req.scan_policy_low_span)) { 446 scan_dbs_policy = SCAN_DBS_POLICY_IGNORE_DUTY; 447 goto end; 448 } 449 450 conn_cnt = policy_mgr_get_connection_count(psoc); 451 if (conn_cnt > 0) { 452 scm_debug("%d active connections, go for DBS scan", 453 conn_cnt); 454 scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT; 455 goto end; 456 } 457 458 if (req->scan_req.num_ssids) { 459 scm_debug("directed SSID"); 460 goto end; 461 } 462 463 if (req->scan_req.num_bssid) { 464 scm_debug("directed BSSID"); 465 goto end; 466 } 467 468 num_chan = req->scan_req.chan_list.num_chan; 469 470 /* num_chan=0 means all channels */ 471 if (!num_chan) 472 scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT; 473 474 if (num_chan < SCAN_MIN_CHAN_DBS_SCAN_THRESHOLD) 475 goto end; 476 477 while (num_chan > 1) { 478 if (!WLAN_REG_IS_SAME_BAND_CHANNELS( 479 req->scan_req.chan_list.chan[0].freq, 480 req->scan_req.chan_list.chan[num_chan-1].freq)) { 481 scan_dbs_policy = SCAN_DBS_POLICY_DEFAULT; 482 break; 483 } 484 num_chan--; 485 } 486 487 end: 488 req->scan_req.scan_ctrl_flags_ext |= 489 ((scan_dbs_policy << SCAN_FLAG_EXT_DBS_SCAN_POLICY_BIT) 490 & SCAN_FLAG_EXT_DBS_SCAN_POLICY_MASK); 491 scm_debug("scan_ctrl_flags_ext: 0x%x", 492 req->scan_req.scan_ctrl_flags_ext); 493 } 494 495 /** 496 * ucfg_update_passive_dwell_time() - update dwell passive time 497 * @vdev: vdev object 498 * @req: scan request 499 * 500 * Return: None 501 */ 502 static void 503 ucfg_update_passive_dwell_time(struct wlan_objmgr_vdev *vdev, 504 struct scan_start_request *req) 505 { 506 struct wlan_objmgr_psoc *psoc; 507 508 psoc = wlan_vdev_get_psoc(vdev); 509 if (!psoc) 510 return; 511 512 if (policy_mgr_is_sta_connected_2g(psoc) && 513 !policy_mgr_is_hw_dbs_capable(psoc) && 514 ucfg_scan_get_bt_activity(psoc)) 515 req->scan_req.dwell_time_passive = 516 PASSIVE_DWELL_TIME_BT_A2DP_ENABLED; 517 } 518 519 static const struct probe_time_dwell_time 520 scan_probe_time_dwell_time_map[SCAN_DWELL_TIME_PROBE_TIME_MAP_SIZE] = { 521 {28, 11}, /* 0 SSID */ 522 {28, 20}, /* 1 SSID */ 523 {28, 20}, /* 2 SSID */ 524 {28, 20}, /* 3 SSID */ 525 {28, 20}, /* 4 SSID */ 526 {28, 20}, /* 5 SSID */ 527 {28, 20}, /* 6 SSID */ 528 {28, 11}, /* 7 SSID */ 529 {28, 11}, /* 8 SSID */ 530 {28, 11}, /* 9 SSID */ 531 {28, 8} /* 10 SSID */ 532 }; 533 534 /** 535 * ucfg_scan_get_burst_duration() - get burst duration depending on max chan 536 * and miracast. 537 * @max_ch_time: max channel time 538 * @miracast_enabled: if miracast is enabled 539 * 540 * Return: burst_duration 541 */ 542 static inline 543 int ucfg_scan_get_burst_duration(int max_ch_time, 544 bool miracast_enabled) 545 { 546 int burst_duration = 0; 547 548 if (miracast_enabled) { 549 /* 550 * When miracast is running, burst 551 * duration needs to be minimum to avoid 552 * any stutter or glitch in miracast 553 * during station scan 554 */ 555 if (max_ch_time <= SCAN_GO_MIN_ACTIVE_SCAN_BURST_DURATION) 556 burst_duration = max_ch_time; 557 else 558 burst_duration = SCAN_GO_MIN_ACTIVE_SCAN_BURST_DURATION; 559 } else { 560 /* 561 * If miracast is not running, accommodate max 562 * stations to make the scans faster 563 */ 564 burst_duration = SCAN_BURST_SCAN_MAX_NUM_OFFCHANNELS * 565 max_ch_time; 566 if (burst_duration > SCAN_GO_MAX_ACTIVE_SCAN_BURST_DURATION) { 567 uint8_t channels = SCAN_P2P_SCAN_MAX_BURST_DURATION / 568 max_ch_time; 569 570 if (channels) 571 burst_duration = channels * max_ch_time; 572 else 573 burst_duration = 574 SCAN_GO_MAX_ACTIVE_SCAN_BURST_DURATION; 575 } 576 } 577 return burst_duration; 578 } 579 580 /** 581 * ucfg_scan_req_update_params() - update scan req params depending on 582 * concurrent mode present. 583 * @vdev: vdev object pointer 584 * @req: scan request 585 * @scan_obj: scan object 586 * 587 * Return: void 588 */ 589 static void ucfg_scan_req_update_concurrency_params( 590 struct wlan_objmgr_vdev *vdev, struct scan_start_request *req, 591 struct wlan_scan_obj *scan_obj) 592 { 593 bool ap_present, go_present, sta_active, p2p_cli_present, ndi_present; 594 struct wlan_objmgr_psoc *psoc; 595 596 psoc = wlan_vdev_get_psoc(vdev); 597 598 if (!psoc) 599 return; 600 601 ap_present = policy_mgr_mode_specific_connection_count( 602 psoc, PM_SAP_MODE, NULL); 603 go_present = policy_mgr_mode_specific_connection_count( 604 psoc, PM_P2P_GO_MODE, NULL); 605 p2p_cli_present = policy_mgr_mode_specific_connection_count( 606 psoc, PM_P2P_CLIENT_MODE, NULL); 607 sta_active = policy_mgr_mode_specific_connection_count( 608 psoc, PM_STA_MODE, NULL); 609 ndi_present = policy_mgr_mode_specific_connection_count( 610 psoc, PM_NDI_MODE, NULL); 611 612 if (policy_mgr_get_connection_count(psoc)) { 613 if (req->scan_req.scan_f_passive) 614 req->scan_req.dwell_time_passive = 615 scan_obj->scan_def.conc_passive_dwell; 616 else 617 req->scan_req.dwell_time_active = 618 scan_obj->scan_def.conc_active_dwell; 619 req->scan_req.max_rest_time = 620 scan_obj->scan_def.conc_max_rest_time; 621 req->scan_req.min_rest_time = 622 scan_obj->scan_def.conc_min_rest_time; 623 req->scan_req.idle_time = scan_obj->scan_def.conc_idle_time; 624 } 625 626 /* 627 * If AP is active set min rest time same as max rest time, so that 628 * firmware spends more time on home channel which will increase the 629 * probability of sending beacon at TBTT 630 */ 631 if (ap_present || go_present) 632 req->scan_req.min_rest_time = req->scan_req.max_rest_time; 633 634 if (req->scan_req.p2p_scan_type == SCAN_NON_P2P_DEFAULT) { 635 /* 636 * Decide burst_duration and dwell_time_active based on 637 * what type of devices are active. 638 */ 639 do { 640 if (ap_present && go_present && sta_active) { 641 if (req->scan_req.dwell_time_active <= 642 SCAN_3PORT_CONC_SCAN_MAX_BURST_DURATION) 643 req->scan_req.burst_duration = 644 req->scan_req.dwell_time_active; 645 else 646 req->scan_req.burst_duration = 647 SCAN_3PORT_CONC_SCAN_MAX_BURST_DURATION; 648 649 break; 650 } 651 652 if (scan_obj->miracast_enabled && 653 policy_mgr_is_mcc_in_24G(psoc)) 654 req->scan_req.max_rest_time = 655 scan_obj->scan_def.sta_miracast_mcc_rest_time; 656 657 if (go_present) { 658 /* 659 * Background scan while GO is sending beacons. 660 * Every off-channel transition has overhead of 661 * 2 beacon intervals for NOA. Maximize number 662 * of channels in every transition by using 663 * burst scan. 664 */ 665 req->scan_req.burst_duration = 666 ucfg_scan_get_burst_duration( 667 req->scan_req.dwell_time_active, 668 scan_obj->miracast_enabled); 669 break; 670 } 671 if ((sta_active || p2p_cli_present) && 672 !req->scan_req.burst_duration) { 673 /* Typical background scan. 674 * Disable burst scan for now. 675 */ 676 req->scan_req.burst_duration = 0; 677 break; 678 } 679 680 if (ndi_present) { 681 req->scan_req.burst_duration = 682 ucfg_scan_get_burst_duration( 683 req->scan_req.dwell_time_active, 684 scan_obj->miracast_enabled); 685 break; 686 } 687 } while (0); 688 689 if (ap_present) { 690 uint8_t ssid_num; 691 ssid_num = req->scan_req.num_ssids * 692 req->scan_req.num_bssid; 693 req->scan_req.repeat_probe_time = 694 scan_probe_time_dwell_time_map[ 695 QDF_MIN(ssid_num, 696 SCAN_DWELL_TIME_PROBE_TIME_MAP_SIZE 697 - 1)].probe_time; 698 req->scan_req.n_probes = 699 (req->scan_req.repeat_probe_time > 0) ? 700 req->scan_req.dwell_time_active / 701 req->scan_req.repeat_probe_time : 0; 702 } 703 } 704 705 if (ap_present) { 706 uint8_t ap_chan; 707 struct wlan_objmgr_pdev *pdev = wlan_vdev_get_pdev(vdev); 708 709 ap_chan = policy_mgr_get_channel(psoc, PM_SAP_MODE, NULL); 710 /* 711 * P2P/STA scan while SoftAP is sending beacons. 712 * Max duration of CTS2self is 32 ms, which limits the 713 * dwell time. If DBS is supported and if SAP is on 2G channel 714 * then keep passive dwell time default. 715 */ 716 req->scan_req.dwell_time_active = 717 QDF_MIN(req->scan_req.dwell_time_active, 718 (SCAN_CTS_DURATION_MS_MAX - 719 SCAN_ROAM_SCAN_CHANNEL_SWITCH_TIME)); 720 if (!policy_mgr_is_hw_dbs_capable(psoc) || 721 (policy_mgr_is_hw_dbs_capable(psoc) && 722 WLAN_CHAN_IS_5GHZ(ap_chan))) { 723 req->scan_req.dwell_time_passive = 724 req->scan_req.dwell_time_active; 725 } 726 req->scan_req.burst_duration = 0; 727 if (utils_is_dfs_ch(pdev, ap_chan)) 728 req->scan_req.burst_duration = 729 SCAN_BURST_SCAN_MAX_NUM_OFFCHANNELS * 730 req->scan_req.dwell_time_active; 731 } 732 } 733 734 #else 735 static inline void ucfg_scan_req_update_concurrency_params( 736 struct wlan_objmgr_vdev *vdev, struct scan_start_request *req, 737 struct wlan_scan_obj *scan_obj) 738 { 739 } 740 static inline void 741 ucfg_update_passive_dwell_time(struct wlan_objmgr_vdev *vdev, 742 struct scan_start_request *req) {} 743 static inline void 744 ucfg_scan_update_dbs_scan_ctrl_ext_flag( 745 struct scan_start_request *req) {} 746 #endif 747 748 QDF_STATUS 749 ucfg_scan_set_custom_scan_chan_list(struct wlan_objmgr_pdev *pdev, 750 struct chan_list *chan_list) 751 { 752 uint8_t pdev_id; 753 struct wlan_scan_obj *scan_obj; 754 755 if (!pdev || !chan_list) { 756 scm_warn("pdev: 0x%pK, chan_list: 0x%pK", pdev, chan_list); 757 return QDF_STATUS_E_NULL_VALUE; 758 } 759 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 760 scan_obj = wlan_pdev_get_scan_obj(pdev); 761 762 qdf_mem_copy(&scan_obj->pdev_info[pdev_id].custom_chan_list, 763 chan_list, sizeof(*chan_list)); 764 765 return QDF_STATUS_SUCCESS; 766 } 767 768 /** 769 * ucfg_scan_req_update_params() - update scan req params depending on modes 770 * and scan type. 771 * @vdev: vdev object pointer 772 * @req: scan request 773 * @scan_obj: scan object 774 * 775 * Return: void 776 */ 777 static void 778 ucfg_scan_req_update_params(struct wlan_objmgr_vdev *vdev, 779 struct scan_start_request *req, struct wlan_scan_obj *scan_obj) 780 { 781 struct chan_list *custom_chan_list; 782 struct wlan_objmgr_pdev *pdev; 783 uint8_t pdev_id; 784 785 /* Ensure correct number of probes are sent on active channel */ 786 if (!req->scan_req.repeat_probe_time) 787 req->scan_req.repeat_probe_time = 788 req->scan_req.dwell_time_active / SCAN_NPROBES_DEFAULT; 789 790 if (req->scan_req.scan_f_passive) 791 req->scan_req.scan_ctrl_flags_ext |= 792 SCAN_FLAG_EXT_FILTER_PUBLIC_ACTION_FRAME; 793 794 if (!req->scan_req.n_probes) 795 req->scan_req.n_probes = (req->scan_req.repeat_probe_time > 0) ? 796 req->scan_req.dwell_time_active / 797 req->scan_req.repeat_probe_time : 0; 798 799 if (req->scan_req.p2p_scan_type == SCAN_NON_P2P_DEFAULT) { 800 req->scan_req.scan_f_cck_rates = true; 801 if (!req->scan_req.num_ssids) 802 req->scan_req.scan_f_bcast_probe = true; 803 req->scan_req.scan_f_add_ds_ie_in_probe = true; 804 req->scan_req.scan_f_filter_prb_req = true; 805 req->scan_req.scan_f_add_tpc_ie_in_probe = true; 806 } else { 807 req->scan_req.adaptive_dwell_time_mode = SCAN_DWELL_MODE_STATIC; 808 if (req->scan_req.p2p_scan_type == SCAN_P2P_LISTEN) { 809 req->scan_req.repeat_probe_time = 0; 810 } else { 811 req->scan_req.scan_f_filter_prb_req = true; 812 if (!req->scan_req.num_ssids) 813 req->scan_req.scan_f_bcast_probe = true; 814 815 req->scan_req.dwell_time_active += 816 P2P_SEARCH_DWELL_TIME_INC; 817 /* 818 * 3 channels with default max dwell time 40 ms. 819 * Cap limit will be set by 820 * P2P_SCAN_MAX_BURST_DURATION. Burst duration 821 * should be such that no channel is scanned less 822 * than the dwell time in normal scenarios. 823 */ 824 if (req->scan_req.chan_list.num_chan == 825 WLAN_P2P_SOCIAL_CHANNELS && 826 !scan_obj->miracast_enabled) 827 req->scan_req.repeat_probe_time = 828 req->scan_req.dwell_time_active / 5; 829 else 830 req->scan_req.repeat_probe_time = 831 req->scan_req.dwell_time_active / 3; 832 833 req->scan_req.burst_duration = 834 BURST_SCAN_MAX_NUM_OFFCHANNELS * 835 req->scan_req.dwell_time_active; 836 if (req->scan_req.burst_duration > 837 P2P_SCAN_MAX_BURST_DURATION) { 838 uint8_t channels = 839 P2P_SCAN_MAX_BURST_DURATION / 840 req->scan_req.dwell_time_active; 841 if (channels) 842 req->scan_req.burst_duration = 843 channels * 844 req->scan_req.dwell_time_active; 845 else 846 req->scan_req.burst_duration = 847 P2P_SCAN_MAX_BURST_DURATION; 848 } 849 req->scan_req.scan_ev_bss_chan = false; 850 } 851 } 852 853 if (!req->scan_req.scan_f_passive) 854 ucfg_update_passive_dwell_time(vdev, req); 855 ucfg_scan_update_dbs_scan_ctrl_ext_flag(req); 856 857 /* 858 * No need to update conncurrency parmas if req is passive scan on 859 * single channel ie ROC, Preauth etc 860 */ 861 if (!(req->scan_req.scan_f_passive && 862 req->scan_req.chan_list.num_chan == 1)) 863 ucfg_scan_req_update_concurrency_params(vdev, req, scan_obj); 864 865 /* Set wide band flag if enabled. This will cause 866 * phymode TLV being sent to FW. 867 */ 868 pdev = wlan_vdev_get_pdev(vdev); 869 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 870 if (ucfg_scan_get_wide_band_scan(pdev)) 871 req->scan_req.scan_f_wide_band = true; 872 else 873 req->scan_req.scan_f_wide_band = false; 874 875 /* Overwrite scan channles with custom scan channel 876 * list if configured. 877 */ 878 custom_chan_list = &scan_obj->pdev_info[pdev_id].custom_chan_list; 879 if (custom_chan_list->num_chan) 880 qdf_mem_copy(&req->scan_req.chan_list, custom_chan_list, 881 sizeof(struct chan_list)); 882 else if (req->scan_req.scan_f_wide_band && 883 !req->scan_req.chan_list.num_chan) 884 ucfg_scan_init_chanlist_params(req, 0, NULL, NULL); 885 886 scm_debug("dwell time: active %d, passive %d, repeat_probe_time %d " 887 "n_probes %d flags_ext %x, wide_bw_scan: %d", 888 req->scan_req.dwell_time_active, 889 req->scan_req.dwell_time_passive, 890 req->scan_req.repeat_probe_time, req->scan_req.n_probes, 891 req->scan_req.scan_ctrl_flags_ext, 892 req->scan_req.scan_f_wide_band); 893 } 894 895 QDF_STATUS 896 ucfg_scan_start(struct scan_start_request *req) 897 { 898 struct scheduler_msg msg = {0}; 899 QDF_STATUS status; 900 struct wlan_scan_obj *scan_obj; 901 struct wlan_objmgr_pdev *pdev; 902 uint8_t idx; 903 904 if (!req || !req->vdev) { 905 scm_err("req or vdev within req is NULL"); 906 if (req) 907 scm_scan_free_scan_request_mem(req); 908 return QDF_STATUS_E_NULL_VALUE; 909 } 910 911 pdev = wlan_vdev_get_pdev(req->vdev); 912 if (!pdev) { 913 scm_err("Failed to get pdev object"); 914 scm_scan_free_scan_request_mem(req); 915 return QDF_STATUS_E_NULL_VALUE; 916 } 917 918 scan_obj = wlan_pdev_get_scan_obj(pdev); 919 if (!scan_obj) { 920 scm_err("Failed to get scan object"); 921 scm_scan_free_scan_request_mem(req); 922 return QDF_STATUS_E_NULL_VALUE; 923 } 924 925 if (!scan_obj->enable_scan) { 926 scm_err("scan disabled, rejecting the scan req"); 927 scm_scan_free_scan_request_mem(req); 928 return QDF_STATUS_E_AGAIN; 929 } 930 931 scm_debug("reqid: %d, scanid: %d, vdevid: %d", 932 req->scan_req.scan_req_id, req->scan_req.scan_id, 933 req->scan_req.vdev_id); 934 935 ucfg_scan_req_update_params(req->vdev, req, scan_obj); 936 937 /* Try to get vdev reference. Return if reference could 938 * not be taken. Reference will be released once scan 939 * request handling completes along with free of @req. 940 */ 941 status = wlan_objmgr_vdev_try_get_ref(req->vdev, WLAN_SCAN_ID); 942 if (QDF_IS_STATUS_ERROR(status)) { 943 scm_info("unable to get reference"); 944 scm_scan_free_scan_request_mem(req); 945 return status; 946 } 947 948 scm_info("request to scan %d channels", 949 req->scan_req.chan_list.num_chan); 950 for (idx = 0; idx < req->scan_req.chan_list.num_chan; idx++) 951 scm_debug("chan[%d]: freq:%d, phymode:%d", idx, 952 req->scan_req.chan_list.chan[idx].freq, 953 req->scan_req.chan_list.chan[idx].phymode); 954 955 msg.bodyptr = req; 956 msg.callback = scm_scan_start_req; 957 msg.flush_callback = scm_scan_start_flush_callback; 958 959 status = scheduler_post_msg(QDF_MODULE_ID_OS_IF, &msg); 960 if (QDF_IS_STATUS_ERROR(status)) { 961 wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); 962 scm_err("failed to post to QDF_MODULE_ID_OS_IF"); 963 scm_scan_free_scan_request_mem(req); 964 } 965 966 return status; 967 } 968 969 QDF_STATUS ucfg_scan_set_enable(struct wlan_objmgr_psoc *psoc, bool enable) 970 { 971 struct wlan_scan_obj *scan_obj; 972 973 scan_obj = wlan_psoc_get_scan_obj(psoc); 974 if (!scan_obj) { 975 scm_err("Failed to get scan object"); 976 return QDF_STATUS_E_NULL_VALUE; 977 } 978 scan_obj->enable_scan = enable; 979 scm_debug("set enable_scan to %d", scan_obj->enable_scan); 980 981 return QDF_STATUS_SUCCESS; 982 } 983 984 bool ucfg_scan_get_enable(struct wlan_objmgr_psoc *psoc) 985 { 986 struct wlan_scan_obj *scan_obj; 987 988 scan_obj = wlan_psoc_get_scan_obj(psoc); 989 if (!scan_obj) { 990 scm_err("Failed to get scan object"); 991 return false; 992 } 993 return scan_obj->enable_scan; 994 } 995 996 QDF_STATUS ucfg_scan_set_miracast( 997 struct wlan_objmgr_psoc *psoc, bool enable) 998 { 999 struct wlan_scan_obj *scan_obj; 1000 1001 scan_obj = wlan_psoc_get_scan_obj(psoc); 1002 if (!scan_obj) { 1003 scm_err("Failed to get scan object"); 1004 return QDF_STATUS_E_NULL_VALUE; 1005 } 1006 scan_obj->miracast_enabled = enable; 1007 scm_debug("set miracast_enable to %d", scan_obj->miracast_enabled); 1008 1009 return QDF_STATUS_SUCCESS; 1010 } 1011 1012 QDF_STATUS 1013 ucfg_scan_set_wide_band_scan(struct wlan_objmgr_pdev *pdev, bool enable) 1014 { 1015 uint8_t pdev_id; 1016 struct wlan_scan_obj *scan_obj; 1017 1018 if (!pdev) { 1019 scm_warn("null vdev"); 1020 return QDF_STATUS_E_NULL_VALUE; 1021 } 1022 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 1023 scan_obj = wlan_pdev_get_scan_obj(pdev); 1024 1025 scm_debug("set wide_band_scan to %d", enable); 1026 scan_obj->pdev_info[pdev_id].wide_band_scan = enable; 1027 1028 return QDF_STATUS_SUCCESS; 1029 } 1030 1031 bool ucfg_scan_get_wide_band_scan(struct wlan_objmgr_pdev *pdev) 1032 { 1033 uint8_t pdev_id; 1034 struct wlan_scan_obj *scan_obj; 1035 1036 if (!pdev) { 1037 scm_warn("null vdev"); 1038 return QDF_STATUS_E_NULL_VALUE; 1039 } 1040 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 1041 scan_obj = wlan_pdev_get_scan_obj(pdev); 1042 1043 return scan_obj->pdev_info[pdev_id].wide_band_scan; 1044 } 1045 1046 #ifdef WLAN_DFS_CHAN_HIDDEN_SSID 1047 QDF_STATUS 1048 ucfg_scan_config_hidden_ssid_for_bssid(struct wlan_objmgr_pdev *pdev, 1049 uint8_t *bssid, struct wlan_ssid *ssid) 1050 { 1051 uint8_t pdev_id; 1052 struct wlan_scan_obj *scan_obj; 1053 1054 if (!pdev) { 1055 scm_warn("null vdev"); 1056 return QDF_STATUS_E_NULL_VALUE; 1057 } 1058 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 1059 scan_obj = wlan_pdev_get_scan_obj(pdev); 1060 1061 scm_debug("Configure bsssid:%pM ssid:%.*s", 1062 bssid, ssid->length, ssid->ssid); 1063 qdf_mem_copy(scan_obj->pdev_info[pdev_id].conf_bssid, 1064 bssid, QDF_MAC_ADDR_SIZE); 1065 scan_obj->pdev_info[pdev_id].conf_ssid.length = ssid->length; 1066 qdf_mem_copy(scan_obj->pdev_info[pdev_id].conf_ssid.ssid, 1067 ssid->ssid, 1068 scan_obj->pdev_info[pdev_id].conf_ssid.length); 1069 1070 return QDF_STATUS_SUCCESS; 1071 } 1072 #endif /* WLAN_DFS_CHAN_HIDDEN_SSID */ 1073 1074 QDF_STATUS 1075 ucfg_scan_cancel(struct scan_cancel_request *req) 1076 { 1077 struct scheduler_msg msg = {0}; 1078 QDF_STATUS status; 1079 1080 if (!req || !req->vdev) { 1081 scm_err("req or vdev within req is NULL"); 1082 if (req) 1083 qdf_mem_free(req); 1084 return QDF_STATUS_E_NULL_VALUE; 1085 } 1086 scm_debug("reqid: %d, scanid: %d, vdevid: %d, type: %d", 1087 req->cancel_req.requester, req->cancel_req.scan_id, 1088 req->cancel_req.vdev_id, req->cancel_req.req_type); 1089 1090 status = wlan_objmgr_vdev_try_get_ref(req->vdev, WLAN_SCAN_ID); 1091 if (QDF_IS_STATUS_ERROR(status)) { 1092 scm_info("Failed to get vdev ref; status:%d", status); 1093 goto req_free; 1094 } 1095 1096 msg.bodyptr = req; 1097 msg.callback = scm_scan_cancel_req; 1098 msg.flush_callback = scm_scan_cancel_flush_callback; 1099 1100 status = scheduler_post_msg(QDF_MODULE_ID_OS_IF, &msg); 1101 if (QDF_IS_STATUS_ERROR(status)) { 1102 scm_err("failed to post to QDF_MODULE_ID_OS_IF"); 1103 goto vdev_put; 1104 } 1105 1106 return QDF_STATUS_SUCCESS; 1107 1108 vdev_put: 1109 wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); 1110 1111 req_free: 1112 qdf_mem_free(req); 1113 1114 return status; 1115 } 1116 1117 QDF_STATUS 1118 ucfg_scan_cancel_sync(struct scan_cancel_request *req) 1119 { 1120 QDF_STATUS status; 1121 bool cancel_vdev = false, cancel_pdev = false; 1122 struct wlan_objmgr_vdev *vdev; 1123 struct wlan_objmgr_pdev *pdev; 1124 uint32_t max_wait_iterations = SCM_CANCEL_SCAN_WAIT_ITERATION; 1125 qdf_event_t cancel_scan_event; 1126 1127 if (!req || !req->vdev) { 1128 scm_err("req or vdev within req is NULL"); 1129 if (req) 1130 qdf_mem_free(req); 1131 return QDF_STATUS_E_NULL_VALUE; 1132 } 1133 1134 if (req->cancel_req.req_type == 1135 WLAN_SCAN_CANCEL_PDEV_ALL) 1136 cancel_pdev = true; 1137 else if (req->cancel_req.req_type == 1138 WLAN_SCAN_CANCEL_VDEV_ALL) 1139 cancel_vdev = true; 1140 1141 vdev = req->vdev; 1142 status = ucfg_scan_cancel(req); 1143 if (QDF_IS_STATUS_ERROR(status)) { 1144 scm_err("failed to post to QDF_MODULE_ID_OS_IF"); 1145 return status; 1146 } 1147 1148 /* 1149 * If cancel req is to cancel all scan of pdev or vdev 1150 * wait until all scan of pdev or vdev get cancelled 1151 */ 1152 qdf_event_create(&cancel_scan_event); 1153 qdf_event_reset(&cancel_scan_event); 1154 1155 if (cancel_pdev) { 1156 pdev = wlan_vdev_get_pdev(vdev); 1157 while ((ucfg_scan_get_pdev_status(pdev) != 1158 SCAN_NOT_IN_PROGRESS) && max_wait_iterations) { 1159 scm_debug("wait for all pdev scan to get complete"); 1160 qdf_wait_single_event(&cancel_scan_event, 1161 qdf_system_msecs_to_ticks( 1162 SCM_CANCEL_SCAN_WAIT_TIME)); 1163 max_wait_iterations--; 1164 } 1165 } else if (cancel_vdev) { 1166 while ((ucfg_scan_get_vdev_status(vdev) != 1167 SCAN_NOT_IN_PROGRESS) && max_wait_iterations) { 1168 scm_debug("wait for all vdev scan to get complete"); 1169 qdf_wait_single_event(&cancel_scan_event, 1170 qdf_system_msecs_to_ticks( 1171 SCM_CANCEL_SCAN_WAIT_TIME)); 1172 max_wait_iterations--; 1173 } 1174 } 1175 1176 qdf_event_destroy(&cancel_scan_event); 1177 1178 if (!max_wait_iterations) { 1179 scm_err("Failed to wait for scans to get complete"); 1180 return QDF_STATUS_E_TIMEOUT; 1181 } 1182 1183 return status; 1184 } 1185 1186 wlan_scan_requester 1187 ucfg_scan_register_requester(struct wlan_objmgr_psoc *psoc, 1188 uint8_t *name, scan_event_handler event_cb, void *arg) 1189 { 1190 int i, j; 1191 struct wlan_scan_obj *scan; 1192 struct scan_requester_info *requesters; 1193 wlan_scan_requester requester = {0}; 1194 1195 if (!psoc) { 1196 scm_err("null psoc"); 1197 return 0; 1198 } 1199 scan = wlan_psoc_get_scan_obj(psoc); 1200 requesters = scan->requesters; 1201 qdf_spin_lock_bh(&scan->lock); 1202 for (i = 0; i < WLAN_MAX_REQUESTORS; ++i) { 1203 if (requesters[i].requester == 0) { 1204 requesters[i].requester = 1205 WLAN_SCAN_REQUESTER_ID_PREFIX | i; 1206 j = 0; 1207 while (name[j] && (j < (WLAN_MAX_MODULE_NAME - 1))) { 1208 requesters[i].module[j] = name[j]; 1209 ++j; 1210 } 1211 requesters[i].module[j] = 0; 1212 requesters[i].ev_handler.func = event_cb; 1213 requesters[i].ev_handler.arg = arg; 1214 requester = requesters[i].requester; 1215 break; 1216 } 1217 } 1218 qdf_spin_unlock_bh(&scan->lock); 1219 scm_debug("module: %s, event_cb: 0x%pK, arg: 0x%pK, reqid: %d", 1220 name, event_cb, arg, requester); 1221 1222 return requester; 1223 } 1224 1225 void 1226 ucfg_scan_unregister_requester(struct wlan_objmgr_psoc *psoc, 1227 wlan_scan_requester requester) 1228 { 1229 int idx = requester & WLAN_SCAN_REQUESTER_ID_MASK; 1230 struct wlan_scan_obj *scan; 1231 struct scan_requester_info *requesters; 1232 1233 if (idx >= WLAN_MAX_REQUESTORS) { 1234 scm_err("requester id invalid"); 1235 return; 1236 } 1237 1238 if (!psoc) { 1239 scm_err("null psoc"); 1240 return; 1241 } 1242 scan = wlan_psoc_get_scan_obj(psoc); 1243 requesters = scan->requesters; 1244 scm_debug("reqid: %d", requester); 1245 1246 qdf_spin_lock_bh(&scan->lock); 1247 requesters[idx].requester = 0; 1248 requesters[idx].module[0] = 0; 1249 requesters[idx].ev_handler.func = NULL; 1250 requesters[idx].ev_handler.arg = NULL; 1251 qdf_spin_unlock_bh(&scan->lock); 1252 } 1253 1254 uint8_t* 1255 ucfg_get_scan_requester_name(struct wlan_objmgr_psoc *psoc, 1256 wlan_scan_requester requester) 1257 { 1258 int idx = requester & WLAN_SCAN_REQUESTER_ID_MASK; 1259 struct wlan_scan_obj *scan; 1260 struct scan_requester_info *requesters; 1261 1262 if (!psoc) { 1263 scm_err("null psoc"); 1264 return "null"; 1265 } 1266 scan = wlan_psoc_get_scan_obj(psoc); 1267 requesters = scan->requesters; 1268 1269 if ((idx < WLAN_MAX_REQUESTORS) && 1270 (requesters[idx].requester == requester)) { 1271 return requesters[idx].module; 1272 } 1273 1274 return (uint8_t *)"unknown"; 1275 } 1276 1277 wlan_scan_id 1278 ucfg_scan_get_scan_id(struct wlan_objmgr_psoc *psoc) 1279 { 1280 wlan_scan_id id; 1281 struct wlan_scan_obj *scan; 1282 1283 if (!psoc) { 1284 QDF_ASSERT(0); 1285 scm_err("null psoc"); 1286 return 0; 1287 } 1288 scan = wlan_psoc_get_scan_obj(psoc); 1289 1290 id = qdf_atomic_inc_return(&scan->scan_ids); 1291 id = id & WLAN_SCAN_ID_MASK; 1292 /* Mark this scan request as triggered by host 1293 * by setting WLAN_HOST_SCAN_REQ_ID_PREFIX flag. 1294 */ 1295 id = id | WLAN_HOST_SCAN_REQ_ID_PREFIX; 1296 scm_debug("scan_id: 0x%x", id); 1297 1298 return id; 1299 } 1300 1301 static QDF_STATUS 1302 scm_add_scan_event_handler(struct pdev_scan_ev_handler *pdev_ev_handler, 1303 scan_event_handler event_cb, void *arg) 1304 { 1305 struct cb_handler *cb_handler; 1306 uint32_t handler_cnt = pdev_ev_handler->handler_cnt; 1307 1308 /* Assign next available slot to this registration request */ 1309 cb_handler = &(pdev_ev_handler->cb_handlers[handler_cnt]); 1310 cb_handler->func = event_cb; 1311 cb_handler->arg = arg; 1312 pdev_ev_handler->handler_cnt++; 1313 1314 return QDF_STATUS_SUCCESS; 1315 } 1316 1317 QDF_STATUS 1318 ucfg_scan_register_event_handler(struct wlan_objmgr_pdev *pdev, 1319 scan_event_handler event_cb, void *arg) 1320 { 1321 uint32_t idx; 1322 struct wlan_scan_obj *scan; 1323 struct pdev_scan_ev_handler *pdev_ev_handler; 1324 struct cb_handler *cb_handler; 1325 1326 /* scan event handler call back can't be NULL */ 1327 if (!pdev || !event_cb) { 1328 scm_err("pdev: %pK, event_cb: %pK", pdev, event_cb); 1329 return QDF_STATUS_E_NULL_VALUE; 1330 } 1331 1332 scm_debug("pdev: %pK, event_cb: %pK, arg: %pK\n", pdev, event_cb, arg); 1333 1334 scan = wlan_pdev_get_scan_obj(pdev); 1335 pdev_ev_handler = wlan_pdev_get_pdev_scan_ev_handlers(pdev); 1336 cb_handler = &(pdev_ev_handler->cb_handlers[0]); 1337 1338 qdf_spin_lock_bh(&scan->lock); 1339 /* Ensure its not a duplicate registration request */ 1340 for (idx = 0; idx < MAX_SCAN_EVENT_HANDLERS_PER_PDEV; 1341 idx++, cb_handler++) { 1342 if ((cb_handler->func == event_cb) && 1343 (cb_handler->arg == arg)) { 1344 qdf_spin_unlock_bh(&scan->lock); 1345 scm_debug("func: %pK, arg: %pK already exists", 1346 event_cb, arg); 1347 return QDF_STATUS_SUCCESS; 1348 } 1349 } 1350 1351 QDF_ASSERT(pdev_ev_handler->handler_cnt < 1352 MAX_SCAN_EVENT_HANDLERS_PER_PDEV); 1353 1354 if (pdev_ev_handler->handler_cnt >= MAX_SCAN_EVENT_HANDLERS_PER_PDEV) { 1355 qdf_spin_unlock_bh(&scan->lock); 1356 scm_warn("No more registrations possible"); 1357 return QDF_STATUS_E_NOMEM; 1358 } 1359 1360 scm_add_scan_event_handler(pdev_ev_handler, event_cb, arg); 1361 qdf_spin_unlock_bh(&scan->lock); 1362 1363 scm_debug("event_cb: 0x%pK, arg: 0x%pK", event_cb, arg); 1364 1365 return QDF_STATUS_SUCCESS; 1366 } 1367 1368 void wlan_scan_cfg_get_passive_dwelltime(struct wlan_objmgr_psoc *psoc, 1369 uint32_t *dwell_time) 1370 { 1371 struct wlan_scan_obj *scan_obj; 1372 1373 scan_obj = wlan_psoc_get_scan_obj(psoc); 1374 if (!scan_obj) { 1375 scm_err("Failed to get scan object"); 1376 return; 1377 } 1378 1379 *dwell_time = scan_obj->scan_def.passive_dwell; 1380 } 1381 1382 void wlan_scan_cfg_set_passive_dwelltime(struct wlan_objmgr_psoc *psoc, 1383 uint32_t dwell_time) 1384 { 1385 struct wlan_scan_obj *scan_obj; 1386 1387 scan_obj = wlan_psoc_get_scan_obj(psoc); 1388 if (!scan_obj) { 1389 scm_err("Failed to get scan object"); 1390 return; 1391 } 1392 1393 scan_obj->scan_def.passive_dwell = dwell_time; 1394 } 1395 1396 void wlan_scan_cfg_get_active_dwelltime(struct wlan_objmgr_psoc *psoc, 1397 uint32_t *dwell_time) 1398 { 1399 struct wlan_scan_obj *scan_obj; 1400 1401 scan_obj = wlan_psoc_get_scan_obj(psoc); 1402 if (!scan_obj) { 1403 scm_err("Failed to get scan object"); 1404 return; 1405 } 1406 1407 *dwell_time = scan_obj->scan_def.active_dwell; 1408 } 1409 1410 void wlan_scan_cfg_set_active_dwelltime(struct wlan_objmgr_psoc *psoc, 1411 uint32_t dwell_time) 1412 { 1413 struct wlan_scan_obj *scan_obj; 1414 1415 scan_obj = wlan_psoc_get_scan_obj(psoc); 1416 if (!scan_obj) { 1417 scm_err("Failed to get scan object"); 1418 return; 1419 } 1420 1421 scan_obj->scan_def.active_dwell = dwell_time; 1422 } 1423 1424 static QDF_STATUS 1425 wlan_scan_global_init(struct wlan_objmgr_psoc *psoc, 1426 struct wlan_scan_obj *scan_obj) 1427 { 1428 scan_obj->enable_scan = true; 1429 scan_obj->drop_bcn_on_chan_mismatch = true; 1430 scan_obj->disable_timeout = false; 1431 scan_obj->scan_def.active_dwell = 1432 cfg_get(psoc, CFG_ACTIVE_MAX_CHANNEL_TIME); 1433 scan_obj->scan_def.active_dwell_2g = 1434 cfg_get(psoc, CFG_ACTIVE_MAX_2G_CHANNEL_TIME); 1435 scan_obj->scan_def.passive_dwell = 1436 cfg_get(psoc, CFG_PASSIVE_MAX_CHANNEL_TIME); 1437 scan_obj->scan_def.max_rest_time = SCAN_MAX_REST_TIME; 1438 scan_obj->scan_def.sta_miracast_mcc_rest_time = 1439 SCAN_STA_MIRACAST_MCC_REST_TIME; 1440 scan_obj->scan_def.min_rest_time = SCAN_MIN_REST_TIME; 1441 scan_obj->scan_def.conc_active_dwell = SCAN_CONC_ACTIVE_DWELL_TIME; 1442 scan_obj->scan_def.conc_passive_dwell = SCAN_CONC_PASSIVE_DWELL_TIME; 1443 scan_obj->scan_def.conc_max_rest_time = SCAN_CONC_MAX_REST_TIME; 1444 scan_obj->scan_def.conc_min_rest_time = SCAN_CONC_MIN_REST_TIME; 1445 scan_obj->scan_def.conc_idle_time = SCAN_CONC_IDLE_TIME; 1446 scan_obj->scan_def.repeat_probe_time = 1447 cfg_get(psoc, CFG_SCAN_PROBE_REPEAT_TIME); 1448 scan_obj->scan_def.probe_spacing_time = SCAN_PROBE_SPACING_TIME; 1449 scan_obj->scan_def.probe_delay = SCAN_PROBE_DELAY; 1450 scan_obj->scan_def.burst_duration = SCAN_BURST_DURATION; 1451 scan_obj->scan_def.max_scan_time = SCAN_MAX_SCAN_TIME; 1452 scan_obj->scan_def.num_probes = cfg_get(psoc, CFG_SCAN_NUM_PROBES); 1453 scan_obj->scan_def.scan_cache_aging_time = SCAN_CACHE_AGING_TIME; 1454 scan_obj->scan_def.max_bss_per_pdev = SCAN_MAX_BSS_PDEV; 1455 scan_obj->scan_def.scan_priority = SCAN_PRIORITY; 1456 scan_obj->scan_def.idle_time = SCAN_NETWORK_IDLE_TIMEOUT; 1457 scan_obj->scan_def.adaptive_dwell_time_mode = 1458 cfg_get(psoc, CFG_ADAPTIVE_SCAN_DWELL_MODE); 1459 scan_obj->scan_def.is_bssid_hint_priority = 1460 cfg_get(psoc, CFG_IS_BSSID_HINT_PRIORITY); 1461 /* scan contrl flags */ 1462 scan_obj->scan_def.scan_f_passive = true; 1463 scan_obj->scan_def.scan_f_ofdm_rates = true; 1464 scan_obj->scan_def.scan_f_2ghz = true; 1465 scan_obj->scan_def.scan_f_5ghz = true; 1466 scan_obj->scan_def.scan_f_chan_stat_evnt = SCAN_CHAN_STATS_EVENT_ENAB; 1467 /* scan event flags */ 1468 scan_obj->scan_def.scan_ev_started = true; 1469 scan_obj->scan_def.scan_ev_completed = true; 1470 scan_obj->scan_def.scan_ev_bss_chan = true; 1471 scan_obj->scan_def.scan_ev_foreign_chan = true; 1472 scan_obj->scan_def.scan_ev_foreign_chn_exit = true; 1473 scan_obj->scan_def.scan_ev_dequeued = true; 1474 scan_obj->scan_def.scan_ev_preempted = true; 1475 scan_obj->scan_def.scan_ev_start_failed = true; 1476 scan_obj->scan_def.scan_ev_restarted = true; 1477 /* init scan id seed */ 1478 qdf_atomic_init(&scan_obj->scan_ids); 1479 1480 /* init extscan */ 1481 wlan_extscan_global_init(psoc, scan_obj); 1482 1483 return wlan_pno_global_init(&scan_obj->pno_cfg); 1484 } 1485 1486 static void 1487 wlan_scan_global_deinit(struct wlan_objmgr_psoc *psoc) 1488 { 1489 struct wlan_scan_obj *scan_obj; 1490 1491 scan_obj = wlan_psoc_get_scan_obj(psoc); 1492 wlan_pno_global_deinit(&scan_obj->pno_cfg); 1493 wlan_extscan_global_deinit(); 1494 } 1495 1496 static QDF_STATUS 1497 scm_remove_scan_event_handler(struct pdev_scan_ev_handler *pdev_ev_handler, 1498 struct cb_handler *entry) 1499 { 1500 struct cb_handler *last_entry; 1501 uint32_t handler_cnt = pdev_ev_handler->handler_cnt; 1502 1503 /* Replace event handler being deleted 1504 * with the last one in the list. 1505 */ 1506 last_entry = &(pdev_ev_handler->cb_handlers[handler_cnt - 1]); 1507 entry->func = last_entry->func; 1508 entry->arg = last_entry->arg; 1509 1510 /* Clear our last entry */ 1511 last_entry->func = NULL; 1512 last_entry->arg = NULL; 1513 pdev_ev_handler->handler_cnt--; 1514 1515 return QDF_STATUS_SUCCESS; 1516 } 1517 1518 void 1519 ucfg_scan_unregister_event_handler(struct wlan_objmgr_pdev *pdev, 1520 scan_event_handler event_cb, void *arg) 1521 { 1522 uint8_t found = false; 1523 uint32_t idx; 1524 uint32_t handler_cnt; 1525 struct wlan_scan_obj *scan; 1526 struct cb_handler *cb_handler; 1527 struct pdev_scan_ev_handler *pdev_ev_handler; 1528 1529 scm_debug("pdev: %pK, event_cb: 0x%pK, arg: 0x%pK", pdev, event_cb, 1530 arg); 1531 if (!pdev) { 1532 scm_err("null pdev"); 1533 return; 1534 } 1535 scan = wlan_pdev_get_scan_obj(pdev); 1536 pdev_ev_handler = wlan_pdev_get_pdev_scan_ev_handlers(pdev); 1537 cb_handler = &(pdev_ev_handler->cb_handlers[0]); 1538 1539 qdf_spin_lock_bh(&scan->lock); 1540 handler_cnt = pdev_ev_handler->handler_cnt; 1541 if (!handler_cnt) { 1542 qdf_spin_unlock_bh(&scan->lock); 1543 scm_info("No event handlers registered"); 1544 return; 1545 } 1546 1547 for (idx = 0; idx < MAX_SCAN_EVENT_HANDLERS_PER_PDEV; 1548 idx++, cb_handler++) { 1549 if ((cb_handler->func == event_cb) && 1550 (cb_handler->arg == arg)) { 1551 /* Event handler found, remove it 1552 * from event handler list. 1553 */ 1554 found = true; 1555 scm_remove_scan_event_handler(pdev_ev_handler, 1556 cb_handler); 1557 handler_cnt--; 1558 break; 1559 } 1560 } 1561 qdf_spin_unlock_bh(&scan->lock); 1562 1563 scm_debug("event handler %s, remaining handlers: %d", 1564 (found ? "removed" : "not found"), handler_cnt); 1565 } 1566 1567 QDF_STATUS 1568 ucfg_scan_init_default_params(struct wlan_objmgr_vdev *vdev, 1569 struct scan_start_request *req) 1570 { 1571 struct scan_default_params *def; 1572 1573 if (!vdev | !req) { 1574 scm_err("vdev: 0x%pK, req: 0x%pK", vdev, req); 1575 return QDF_STATUS_E_INVAL; 1576 } 1577 def = wlan_vdev_get_def_scan_params(vdev); 1578 if (!def) { 1579 scm_err("wlan_vdev_get_def_scan_params returned NULL"); 1580 return QDF_STATUS_E_NULL_VALUE; 1581 } 1582 1583 /* Zero out everything and explicitly set fields as required */ 1584 qdf_mem_zero(req, sizeof(*req)); 1585 1586 req->vdev = vdev; 1587 req->scan_req.vdev_id = wlan_vdev_get_id(vdev); 1588 req->scan_req.p2p_scan_type = SCAN_NON_P2P_DEFAULT; 1589 req->scan_req.scan_priority = def->scan_priority; 1590 req->scan_req.dwell_time_active = def->active_dwell; 1591 req->scan_req.dwell_time_active_2g = def->active_dwell_2g; 1592 req->scan_req.dwell_time_passive = def->passive_dwell; 1593 req->scan_req.min_rest_time = def->min_rest_time; 1594 req->scan_req.max_rest_time = def->max_rest_time; 1595 req->scan_req.repeat_probe_time = def->repeat_probe_time; 1596 req->scan_req.probe_spacing_time = def->probe_spacing_time; 1597 req->scan_req.idle_time = def->idle_time; 1598 req->scan_req.max_scan_time = def->max_scan_time; 1599 req->scan_req.probe_delay = def->probe_delay; 1600 req->scan_req.burst_duration = def->burst_duration; 1601 req->scan_req.n_probes = def->num_probes; 1602 req->scan_req.adaptive_dwell_time_mode = 1603 def->adaptive_dwell_time_mode; 1604 req->scan_req.scan_flags = def->scan_flags; 1605 req->scan_req.scan_events = def->scan_events; 1606 req->scan_req.scan_random.randomize = def->enable_mac_spoofing; 1607 1608 return QDF_STATUS_SUCCESS; 1609 } 1610 1611 QDF_STATUS 1612 ucfg_scan_init_ssid_params(struct scan_start_request *req, 1613 uint32_t num_ssid, struct wlan_ssid *ssid_list) 1614 { 1615 uint32_t max_ssid = sizeof(req->scan_req.ssid) / 1616 sizeof(req->scan_req.ssid[0]); 1617 1618 if (!req) { 1619 scm_err("null request"); 1620 return QDF_STATUS_E_NULL_VALUE; 1621 } 1622 if (!num_ssid) { 1623 /* empty channel list provided */ 1624 req->scan_req.num_ssids = 0; 1625 qdf_mem_zero(&req->scan_req.ssid[0], 1626 sizeof(req->scan_req.ssid)); 1627 return QDF_STATUS_SUCCESS; 1628 } 1629 if (!ssid_list) { 1630 scm_err("null ssid_list while num_ssid: %d", num_ssid); 1631 return QDF_STATUS_E_NULL_VALUE; 1632 } 1633 if (num_ssid > max_ssid) { 1634 /* got a big list. alert and continue */ 1635 scm_warn("overflow: received %d, max supported : %d", 1636 num_ssid, max_ssid); 1637 return QDF_STATUS_E_E2BIG; 1638 } 1639 1640 if (max_ssid > num_ssid) 1641 max_ssid = num_ssid; 1642 1643 req->scan_req.num_ssids = max_ssid; 1644 qdf_mem_copy(&req->scan_req.ssid[0], ssid_list, 1645 (req->scan_req.num_ssids * sizeof(req->scan_req.ssid[0]))); 1646 1647 return QDF_STATUS_SUCCESS; 1648 } 1649 1650 QDF_STATUS 1651 ucfg_scan_init_bssid_params(struct scan_start_request *req, 1652 uint32_t num_bssid, struct qdf_mac_addr *bssid_list) 1653 { 1654 uint32_t max_bssid = sizeof(req->scan_req.bssid_list) / 1655 sizeof(req->scan_req.bssid_list[0]); 1656 1657 if (!req) { 1658 scm_err("null request"); 1659 return QDF_STATUS_E_NULL_VALUE; 1660 } 1661 if (!num_bssid) { 1662 /* empty channel list provided */ 1663 req->scan_req.num_bssid = 0; 1664 qdf_mem_zero(&req->scan_req.bssid_list[0], 1665 sizeof(req->scan_req.bssid_list)); 1666 return QDF_STATUS_SUCCESS; 1667 } 1668 if (!bssid_list) { 1669 scm_err("null bssid_list while num_bssid: %d", num_bssid); 1670 return QDF_STATUS_E_NULL_VALUE; 1671 } 1672 if (num_bssid > max_bssid) { 1673 /* got a big list. alert and continue */ 1674 scm_warn("overflow: received %d, max supported : %d", 1675 num_bssid, max_bssid); 1676 return QDF_STATUS_E_E2BIG; 1677 } 1678 1679 if (max_bssid > num_bssid) 1680 max_bssid = num_bssid; 1681 1682 req->scan_req.num_bssid = max_bssid; 1683 qdf_mem_copy(&req->scan_req.bssid_list[0], bssid_list, 1684 req->scan_req.num_bssid * sizeof(req->scan_req.bssid_list[0])); 1685 1686 return QDF_STATUS_SUCCESS; 1687 } 1688 1689 /** 1690 * is_chan_enabled_for_scan() - helper API to check if a frequency 1691 * is allowed to scan. 1692 * @reg_chan: regulatory_channel object 1693 * @low_2g: lower 2.4 GHz frequency thresold 1694 * @high_2g: upper 2.4 GHz frequency thresold 1695 * @low_5g: lower 5 GHz frequency thresold 1696 * @high_5g: upper 5 GHz frequency thresold 1697 * 1698 * Return: true if scan is allowed. false otherwise. 1699 */ 1700 static bool 1701 is_chan_enabled_for_scan(struct regulatory_channel *reg_chan, 1702 uint32_t low_2g, uint32_t high_2g, uint32_t low_5g, 1703 uint32_t high_5g) 1704 { 1705 if (reg_chan->state == CHANNEL_STATE_DISABLE) 1706 return false; 1707 if (reg_chan->nol_chan) 1708 return false; 1709 /* 2 GHz channel */ 1710 if ((util_scan_scm_chan_to_band(reg_chan->chan_num) == 1711 WLAN_BAND_2_4_GHZ) && 1712 ((reg_chan->center_freq < low_2g) || 1713 (reg_chan->center_freq > high_2g))) 1714 return false; 1715 else if ((reg_chan->center_freq < low_5g) || 1716 (reg_chan->center_freq > high_5g)) 1717 return false; 1718 1719 return true; 1720 } 1721 1722 QDF_STATUS 1723 ucfg_scan_init_chanlist_params(struct scan_start_request *req, 1724 uint32_t num_chans, uint32_t *chan_list, uint32_t *phymode) 1725 { 1726 uint32_t idx; 1727 QDF_STATUS status; 1728 struct regulatory_channel *reg_chan_list = NULL; 1729 uint32_t low_2g, high_2g, low_5g, high_5g; 1730 struct wlan_objmgr_pdev *pdev = NULL; 1731 uint32_t *scan_freqs = NULL; 1732 uint32_t max_chans = sizeof(req->scan_req.chan_list.chan) / 1733 sizeof(req->scan_req.chan_list.chan[0]); 1734 if (!req) { 1735 scm_err("null request"); 1736 return QDF_STATUS_E_NULL_VALUE; 1737 } 1738 1739 if (req->vdev) 1740 pdev = wlan_vdev_get_pdev(req->vdev); 1741 /* 1742 * If 0 channels are provided for scan and 1743 * wide band scan is enabled, scan all 20 mhz 1744 * available channels. This is required as FW 1745 * scans all channel/phy mode combinations 1746 * provided in scan channel list if 0 chans are 1747 * provided in scan request causing scan to take 1748 * too much time to complete. 1749 */ 1750 if (pdev && !num_chans && ucfg_scan_get_wide_band_scan(pdev)) { 1751 reg_chan_list = qdf_mem_malloc_atomic(NUM_CHANNELS * 1752 sizeof(struct regulatory_channel)); 1753 if (!reg_chan_list) { 1754 scm_err("Couldn't allocate reg_chan_list memory"); 1755 status = QDF_STATUS_E_NOMEM; 1756 goto end; 1757 } 1758 scan_freqs = 1759 qdf_mem_malloc_atomic(sizeof(uint32_t) * max_chans); 1760 if (!scan_freqs) { 1761 scm_err("Couldn't allocate scan_freqs memory"); 1762 status = QDF_STATUS_E_NOMEM; 1763 goto end; 1764 } 1765 status = ucfg_reg_get_current_chan_list(pdev, reg_chan_list); 1766 if (QDF_IS_STATUS_ERROR(status)) { 1767 scm_err("Couldn't get current chan list"); 1768 goto end; 1769 } 1770 status = wlan_reg_get_freq_range(pdev, &low_2g, 1771 &high_2g, &low_5g, &high_5g); 1772 if (QDF_IS_STATUS_ERROR(status)) { 1773 scm_err("Couldn't get frequency range"); 1774 goto end; 1775 } 1776 1777 for (idx = 0, num_chans = 0; 1778 (idx < NUM_CHANNELS && num_chans < max_chans); idx++) 1779 if (is_chan_enabled_for_scan(®_chan_list[idx], 1780 low_2g, high_2g, low_5g, high_5g)) 1781 scan_freqs[num_chans++] = 1782 reg_chan_list[idx].center_freq; 1783 1784 chan_list = scan_freqs; 1785 } 1786 1787 if (!num_chans) { 1788 /* empty channel list provided */ 1789 qdf_mem_zero(&req->scan_req.chan_list, 1790 sizeof(req->scan_req.chan_list)); 1791 req->scan_req.chan_list.num_chan = 0; 1792 status = QDF_STATUS_SUCCESS; 1793 goto end; 1794 } 1795 if (!chan_list) { 1796 scm_err("null chan_list while num_chans: %d", num_chans); 1797 status = QDF_STATUS_E_NULL_VALUE; 1798 goto end; 1799 } 1800 1801 if (num_chans > max_chans) { 1802 /* got a big list. alert and fail */ 1803 scm_warn("overflow: received %d, max supported : %d", 1804 num_chans, max_chans); 1805 status = QDF_STATUS_E_E2BIG; 1806 goto end; 1807 } 1808 1809 req->scan_req.chan_list.num_chan = num_chans; 1810 for (idx = 0; idx < num_chans; idx++) { 1811 req->scan_req.chan_list.chan[idx].freq = 1812 (chan_list[idx] > WLAN_24_GHZ_BASE_FREQ) ? 1813 chan_list[idx] : 1814 wlan_reg_chan_to_freq(pdev, chan_list[idx]); 1815 if (phymode) 1816 req->scan_req.chan_list.chan[idx].phymode = 1817 phymode[idx]; 1818 else if (req->scan_req.chan_list.chan[idx].freq <= 1819 WLAN_CHAN_15_FREQ) 1820 req->scan_req.chan_list.chan[idx].phymode = 1821 SCAN_PHY_MODE_11G; 1822 else 1823 req->scan_req.chan_list.chan[idx].phymode = 1824 SCAN_PHY_MODE_11A; 1825 1826 scm_debug("chan[%d]: freq:%d, phymode:%d", idx, 1827 req->scan_req.chan_list.chan[idx].freq, 1828 req->scan_req.chan_list.chan[idx].phymode); 1829 } 1830 1831 end: 1832 if (scan_freqs) 1833 qdf_mem_free(scan_freqs); 1834 1835 return QDF_STATUS_SUCCESS; 1836 } 1837 1838 static inline enum scm_scan_status 1839 get_scan_status_from_serialization_status( 1840 enum wlan_serialization_cmd_status status) 1841 { 1842 enum scm_scan_status scan_status; 1843 1844 switch (status) { 1845 case WLAN_SER_CMD_IN_PENDING_LIST: 1846 scan_status = SCAN_IS_PENDING; 1847 break; 1848 case WLAN_SER_CMD_IN_ACTIVE_LIST: 1849 scan_status = SCAN_IS_ACTIVE; 1850 break; 1851 case WLAN_SER_CMDS_IN_ALL_LISTS: 1852 scan_status = SCAN_IS_ACTIVE_AND_PENDING; 1853 break; 1854 case WLAN_SER_CMD_NOT_FOUND: 1855 scan_status = SCAN_NOT_IN_PROGRESS; 1856 break; 1857 default: 1858 scm_warn("invalid serialization status %d", status); 1859 QDF_ASSERT(0); 1860 scan_status = SCAN_NOT_IN_PROGRESS; 1861 break; 1862 } 1863 1864 return scan_status; 1865 } 1866 1867 enum scm_scan_status 1868 ucfg_scan_get_vdev_status(struct wlan_objmgr_vdev *vdev) 1869 { 1870 enum wlan_serialization_cmd_status status; 1871 1872 if (!vdev) { 1873 scm_err("null vdev"); 1874 return SCAN_NOT_IN_PROGRESS; 1875 } 1876 status = wlan_serialization_vdev_scan_status(vdev); 1877 1878 return get_scan_status_from_serialization_status(status); 1879 } 1880 1881 enum scm_scan_status 1882 ucfg_scan_get_pdev_status(struct wlan_objmgr_pdev *pdev) 1883 { 1884 enum wlan_serialization_cmd_status status; 1885 1886 if (!pdev) { 1887 scm_err("null pdev"); 1888 return SCAN_NOT_IN_PROGRESS; 1889 } 1890 status = wlan_serialization_pdev_scan_status(pdev); 1891 1892 return get_scan_status_from_serialization_status(status); 1893 } 1894 1895 static void 1896 ucfg_scan_register_unregister_bcn_cb(struct wlan_objmgr_psoc *psoc, 1897 bool enable) 1898 { 1899 QDF_STATUS status; 1900 struct mgmt_txrx_mgmt_frame_cb_info cb_info[2]; 1901 1902 cb_info[0].frm_type = MGMT_PROBE_RESP; 1903 cb_info[0].mgmt_rx_cb = tgt_scan_bcn_probe_rx_callback; 1904 cb_info[1].frm_type = MGMT_BEACON; 1905 cb_info[1].mgmt_rx_cb = tgt_scan_bcn_probe_rx_callback; 1906 1907 if (enable) 1908 status = wlan_mgmt_txrx_register_rx_cb(psoc, 1909 WLAN_UMAC_COMP_SCAN, cb_info, 2); 1910 else 1911 status = wlan_mgmt_txrx_deregister_rx_cb(psoc, 1912 WLAN_UMAC_COMP_SCAN, cb_info, 2); 1913 if (status != QDF_STATUS_SUCCESS) 1914 scm_err("%s the Handle with MGMT TXRX layer has failed", 1915 enable ? "Registering" : "Deregistering"); 1916 } 1917 1918 static void ucfg_scan_assign_rssi_category(struct scan_default_params *params, 1919 int32_t best_ap_rssi, uint32_t cat_offset) 1920 { 1921 int i; 1922 1923 scm_debug("best AP RSSI:%d, cat offset: %d", best_ap_rssi, cat_offset); 1924 if (cat_offset) 1925 for (i = 0; i < SCM_NUM_RSSI_CAT; i++) { 1926 params->rssi_cat[SCM_NUM_RSSI_CAT - i - 1] = 1927 (best_ap_rssi - 1928 params->select_5ghz_margin - 1929 (int)(i * cat_offset)); 1930 params->bss_prefer_val[i] = i; 1931 } 1932 } 1933 1934 QDF_STATUS ucfg_scan_update_user_config(struct wlan_objmgr_psoc *psoc, 1935 struct scan_user_cfg *scan_cfg) 1936 { 1937 struct wlan_scan_obj *scan_obj; 1938 struct scan_default_params *scan_def; 1939 1940 if (!psoc) { 1941 scm_err("null psoc"); 1942 return QDF_STATUS_E_FAILURE; 1943 } 1944 scan_obj = wlan_psoc_get_scan_obj(psoc); 1945 if (scan_obj == NULL) { 1946 scm_err("Failed to get scan object"); 1947 return QDF_STATUS_E_FAILURE; 1948 } 1949 1950 scan_def = &scan_obj->scan_def; 1951 scan_def->passive_dwell = scan_cfg->passive_dwell; 1952 scan_def->conc_active_dwell = scan_cfg->conc_active_dwell; 1953 scan_def->conc_passive_dwell = scan_cfg->conc_passive_dwell; 1954 scan_def->conc_max_rest_time = scan_cfg->conc_max_rest_time; 1955 scan_def->conc_min_rest_time = scan_cfg->conc_min_rest_time; 1956 scan_def->conc_idle_time = scan_cfg->conc_idle_time; 1957 scan_def->scan_cache_aging_time = scan_cfg->scan_cache_aging_time; 1958 scan_def->prefer_5ghz = scan_cfg->prefer_5ghz; 1959 scan_def->select_5ghz_margin = scan_cfg->select_5ghz_margin; 1960 scan_def->scan_f_chan_stat_evnt = scan_cfg->is_snr_monitoring_enabled; 1961 scan_obj->ie_whitelist = scan_cfg->ie_whitelist; 1962 scan_def->enable_mac_spoofing = scan_cfg->enable_mac_spoofing; 1963 scan_def->sta_miracast_mcc_rest_time = 1964 scan_cfg->sta_miracast_mcc_rest_time; 1965 1966 ucfg_scan_assign_rssi_category(scan_def, 1967 scan_cfg->scan_bucket_threshold, 1968 scan_cfg->rssi_cat_gap); 1969 1970 ucfg_scan_update_pno_config(&scan_obj->pno_cfg, 1971 &scan_cfg->pno_cfg); 1972 1973 qdf_mem_copy(&scan_def->score_config, &scan_cfg->score_config, 1974 sizeof(struct scoring_config)); 1975 scm_validate_scoring_config(&scan_def->score_config); 1976 1977 return QDF_STATUS_SUCCESS; 1978 } 1979 1980 QDF_STATUS ucfg_scan_update_roam_params(struct wlan_objmgr_psoc *psoc, 1981 struct roam_filter_params *roam_params) 1982 { 1983 struct scan_default_params *scan_def; 1984 1985 if (!psoc) { 1986 scm_err("null psoc"); 1987 return QDF_STATUS_E_FAILURE; 1988 } 1989 scan_def = wlan_scan_psoc_get_def_params(psoc); 1990 if (!scan_def) { 1991 scm_err("Failed to get scan object"); 1992 return QDF_STATUS_E_FAILURE; 1993 } 1994 1995 qdf_mem_copy(&scan_def->roam_params, roam_params, 1996 sizeof(struct roam_filter_params)); 1997 1998 return QDF_STATUS_SUCCESS; 1999 } 2000 2001 #ifdef WLAN_POWER_MANAGEMENT_OFFLOAD 2002 static QDF_STATUS 2003 ucfg_scan_cancel_pdev_scan(struct wlan_objmgr_pdev *pdev) 2004 { 2005 struct scan_cancel_request *req; 2006 QDF_STATUS status; 2007 struct wlan_objmgr_vdev *vdev; 2008 2009 req = qdf_mem_malloc_atomic(sizeof(*req)); 2010 if (!req) { 2011 scm_err("Failed to allocate memory"); 2012 return QDF_STATUS_E_NOMEM; 2013 } 2014 2015 vdev = wlan_objmgr_get_vdev_by_id_from_pdev(pdev, 0, WLAN_OSIF_ID); 2016 if (!vdev) { 2017 scm_err("Failed to get vdev"); 2018 return QDF_STATUS_E_INVAL; 2019 } 2020 req->vdev = vdev; 2021 req->cancel_req.scan_id = INVAL_SCAN_ID; 2022 req->cancel_req.pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 2023 req->cancel_req.vdev_id = INVAL_VDEV_ID; 2024 req->cancel_req.req_type = WLAN_SCAN_CANCEL_PDEV_ALL; 2025 status = ucfg_scan_cancel_sync(req); 2026 if (QDF_IS_STATUS_ERROR(status)) 2027 scm_err("Cancel scan request failed"); 2028 wlan_objmgr_vdev_release_ref(vdev, WLAN_OSIF_ID); 2029 2030 return status; 2031 } 2032 2033 static QDF_STATUS 2034 ucfg_scan_suspend_handler(struct wlan_objmgr_psoc *psoc, void *arg) 2035 { 2036 struct wlan_objmgr_pdev *pdev = NULL; 2037 QDF_STATUS status = QDF_STATUS_SUCCESS; 2038 int i; 2039 2040 /* Check all pdev */ 2041 for (i = 0; i < WLAN_UMAC_MAX_PDEVS; i++) { 2042 pdev = wlan_objmgr_get_pdev_by_id(psoc, i, WLAN_SCAN_ID); 2043 if (!pdev) 2044 continue; 2045 if (ucfg_scan_get_pdev_status(pdev) != 2046 SCAN_NOT_IN_PROGRESS) 2047 status = ucfg_scan_cancel_pdev_scan(pdev); 2048 wlan_objmgr_pdev_release_ref(pdev, WLAN_SCAN_ID); 2049 if (QDF_IS_STATUS_ERROR(status)) { 2050 scm_err("failed to cancel scan for pdev_id %d", i); 2051 return status; 2052 } 2053 } 2054 2055 return QDF_STATUS_SUCCESS; 2056 } 2057 2058 static QDF_STATUS 2059 ucfg_scan_resume_handler(struct wlan_objmgr_psoc *psoc, void *arg) 2060 { 2061 return QDF_STATUS_SUCCESS; 2062 } 2063 2064 static inline void 2065 ucfg_scan_register_pmo_handler(void) 2066 { 2067 pmo_register_suspend_handler(WLAN_UMAC_COMP_SCAN, 2068 ucfg_scan_suspend_handler, NULL); 2069 pmo_register_resume_handler(WLAN_UMAC_COMP_SCAN, 2070 ucfg_scan_resume_handler, NULL); 2071 } 2072 2073 static inline void 2074 ucfg_scan_unregister_pmo_handler(void) 2075 { 2076 pmo_unregister_suspend_handler(WLAN_UMAC_COMP_SCAN, 2077 ucfg_scan_suspend_handler); 2078 pmo_unregister_resume_handler(WLAN_UMAC_COMP_SCAN, 2079 ucfg_scan_resume_handler); 2080 } 2081 2082 #else 2083 static inline void 2084 ucfg_scan_register_pmo_handler(void) 2085 { 2086 } 2087 2088 static inline void 2089 ucfg_scan_unregister_pmo_handler(void) 2090 { 2091 } 2092 #endif 2093 2094 QDF_STATUS 2095 ucfg_scan_psoc_open(struct wlan_objmgr_psoc *psoc) 2096 { 2097 struct wlan_scan_obj *scan_obj; 2098 2099 scm_debug("psoc open: 0x%pK", psoc); 2100 if (!psoc) { 2101 scm_err("null psoc"); 2102 return QDF_STATUS_E_FAILURE; 2103 } 2104 scan_obj = wlan_psoc_get_scan_obj(psoc); 2105 if (scan_obj == NULL) { 2106 scm_err("Failed to get scan object"); 2107 return QDF_STATUS_E_FAILURE; 2108 } 2109 /* Initialize the scan Globals */ 2110 wlan_scan_global_init(psoc, scan_obj); 2111 qdf_spinlock_create(&scan_obj->lock); 2112 ucfg_scan_register_pmo_handler(); 2113 scm_db_init(psoc); 2114 2115 return QDF_STATUS_SUCCESS; 2116 } 2117 2118 QDF_STATUS 2119 ucfg_scan_psoc_close(struct wlan_objmgr_psoc *psoc) 2120 { 2121 struct wlan_scan_obj *scan_obj; 2122 2123 scm_debug("psoc close: 0x%pK", psoc); 2124 if (!psoc) { 2125 scm_err("null psoc"); 2126 return QDF_STATUS_E_FAILURE; 2127 } 2128 scm_db_deinit(psoc); 2129 scan_obj = wlan_psoc_get_scan_obj(psoc); 2130 if (scan_obj == NULL) { 2131 scm_err("Failed to get scan object"); 2132 return QDF_STATUS_E_FAILURE; 2133 } 2134 ucfg_scan_unregister_pmo_handler(); 2135 qdf_spinlock_destroy(&scan_obj->lock); 2136 wlan_scan_global_deinit(psoc); 2137 2138 return QDF_STATUS_SUCCESS; 2139 } 2140 2141 static bool scm_serialization_scan_rules_cb( 2142 union wlan_serialization_rules_info *comp_info, 2143 uint8_t comp_id) 2144 { 2145 switch (comp_id) { 2146 case WLAN_UMAC_COMP_TDLS: 2147 if (comp_info->scan_info.is_tdls_in_progress) { 2148 scm_debug("Cancel scan. Tdls in progress"); 2149 return false; 2150 } 2151 break; 2152 case WLAN_UMAC_COMP_DFS: 2153 if (comp_info->scan_info.is_cac_in_progress) { 2154 scm_debug("Cancel scan. CAC in progress"); 2155 return false; 2156 } 2157 break; 2158 default: 2159 scm_debug("not handled comp_id %d", comp_id); 2160 break; 2161 } 2162 2163 return true; 2164 } 2165 2166 QDF_STATUS 2167 ucfg_scan_psoc_enable(struct wlan_objmgr_psoc *psoc) 2168 { 2169 QDF_STATUS status; 2170 2171 scm_debug("psoc enable: 0x%pK", psoc); 2172 if (!psoc) { 2173 scm_err("null psoc"); 2174 return QDF_STATUS_E_FAILURE; 2175 } 2176 /* Subscribe for scan events from lmac layesr */ 2177 status = tgt_scan_register_ev_handler(psoc); 2178 QDF_ASSERT(status == QDF_STATUS_SUCCESS); 2179 if (wlan_reg_11d_original_enabled_on_host(psoc)) 2180 scm_11d_cc_db_init(psoc); 2181 ucfg_scan_register_unregister_bcn_cb(psoc, true); 2182 status = wlan_serialization_register_apply_rules_cb(psoc, 2183 WLAN_SER_CMD_SCAN, 2184 scm_serialization_scan_rules_cb); 2185 QDF_ASSERT(status == QDF_STATUS_SUCCESS); 2186 return status; 2187 } 2188 2189 QDF_STATUS 2190 ucfg_scan_psoc_disable(struct wlan_objmgr_psoc *psoc) 2191 { 2192 QDF_STATUS status; 2193 2194 scm_debug("psoc disable: 0x%pK", psoc); 2195 if (!psoc) { 2196 scm_err("null psoc"); 2197 return QDF_STATUS_E_FAILURE; 2198 } 2199 /* Unsubscribe for scan events from lmac layesr */ 2200 status = tgt_scan_unregister_ev_handler(psoc); 2201 QDF_ASSERT(status == QDF_STATUS_SUCCESS); 2202 ucfg_scan_register_unregister_bcn_cb(psoc, false); 2203 if (wlan_reg_11d_original_enabled_on_host(psoc)) 2204 scm_11d_cc_db_deinit(psoc); 2205 2206 return status; 2207 } 2208 2209 uint32_t 2210 ucfg_scan_get_max_active_scans(struct wlan_objmgr_psoc *psoc) 2211 { 2212 struct scan_default_params *scan_params = NULL; 2213 2214 if (!psoc) { 2215 scm_err("null psoc"); 2216 return 0; 2217 } 2218 scan_params = wlan_scan_psoc_get_def_params(psoc); 2219 if (!scan_params) { 2220 scm_err("Failed to get scan object"); 2221 return 0; 2222 } 2223 2224 return scan_params->max_active_scans_allowed; 2225 } 2226 2227 bool ucfg_copy_ie_whitelist_attrs(struct wlan_objmgr_psoc *psoc, 2228 struct probe_req_whitelist_attr *ie_whitelist) 2229 { 2230 struct wlan_scan_obj *scan_obj = NULL; 2231 2232 scan_obj = wlan_psoc_get_scan_obj(psoc); 2233 if (!scan_obj) 2234 return false; 2235 2236 qdf_mem_copy(ie_whitelist, &scan_obj->ie_whitelist, 2237 sizeof(*ie_whitelist)); 2238 2239 return true; 2240 } 2241 2242 bool ucfg_ie_whitelist_enabled(struct wlan_objmgr_psoc *psoc, 2243 struct wlan_objmgr_vdev *vdev) 2244 { 2245 struct wlan_scan_obj *scan_obj = NULL; 2246 2247 scan_obj = wlan_psoc_get_scan_obj(psoc); 2248 if (!scan_obj) 2249 return false; 2250 2251 if ((wlan_vdev_mlme_get_opmode(vdev) != QDF_STA_MODE) || 2252 wlan_vdev_is_connected(vdev)) 2253 return false; 2254 2255 if (!scan_obj->ie_whitelist.white_list) 2256 return false; 2257 2258 return true; 2259 } 2260 2261 void ucfg_scan_set_bt_activity(struct wlan_objmgr_psoc *psoc, 2262 bool bt_a2dp_active) 2263 { 2264 struct wlan_scan_obj *scan_obj; 2265 2266 scan_obj = wlan_psoc_get_scan_obj(psoc); 2267 if (!scan_obj) { 2268 scm_err("Failed to get scan object"); 2269 return; 2270 } 2271 scan_obj->bt_a2dp_enabled = bt_a2dp_active; 2272 } 2273 2274 bool ucfg_scan_get_bt_activity(struct wlan_objmgr_psoc *psoc) 2275 { 2276 struct wlan_scan_obj *scan_obj; 2277 2278 scan_obj = wlan_psoc_get_scan_obj(psoc); 2279 if (!scan_obj) { 2280 scm_err("Failed to get scan object"); 2281 return false; 2282 } 2283 2284 return scan_obj->bt_a2dp_enabled; 2285 } 2286 2287 void ucfg_scan_set_vdev_del_in_progress(struct wlan_objmgr_vdev *vdev) 2288 { 2289 struct scan_vdev_obj *scan_vdev_obj; 2290 2291 if (!vdev) { 2292 scm_err("invalid vdev"); 2293 return; 2294 } 2295 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 2296 if (!scan_vdev_obj) { 2297 scm_err("null scan_vdev_obj"); 2298 return; 2299 } 2300 scan_vdev_obj->is_vdev_delete_in_progress = true; 2301 } 2302 2303 void ucfg_scan_clear_vdev_del_in_progress(struct wlan_objmgr_vdev *vdev) 2304 { 2305 struct scan_vdev_obj *scan_vdev_obj; 2306 2307 if (!vdev) { 2308 scm_err("invalid vdev"); 2309 return; 2310 } 2311 scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); 2312 if (!scan_vdev_obj) { 2313 scm_err("null scan_vdev_obj"); 2314 return; 2315 } 2316 scan_vdev_obj->is_vdev_delete_in_progress = false; 2317 } 2318 2319 QDF_STATUS 2320 ucfg_scan_set_global_config(struct wlan_objmgr_psoc *psoc, 2321 enum scan_config config, uint32_t val) 2322 { 2323 struct wlan_scan_obj *scan_obj; 2324 QDF_STATUS status = QDF_STATUS_SUCCESS; 2325 2326 scan_obj = wlan_psoc_get_scan_obj(psoc); 2327 if (!scan_obj) { 2328 scm_err("Failed to get scan object config:%d, val:%d", 2329 config, val); 2330 return QDF_STATUS_E_INVAL; 2331 } 2332 switch (config) { 2333 case SCAN_CFG_DISABLE_SCAN_COMMAND_TIMEOUT: 2334 scan_obj->disable_timeout = !!val; 2335 break; 2336 case SCAN_CFG_DROP_BCN_ON_CHANNEL_MISMATCH: 2337 scan_obj->drop_bcn_on_chan_mismatch = !!val; 2338 break; 2339 2340 default: 2341 status = QDF_STATUS_E_INVAL; 2342 break; 2343 } 2344 2345 return status; 2346 } 2347 2348 QDF_STATUS ucfg_scan_update_mlme_by_bssinfo(struct wlan_objmgr_pdev *pdev, 2349 struct bss_info *bss_info, struct mlme_info *mlme) 2350 { 2351 QDF_STATUS status; 2352 2353 status = scm_scan_update_mlme_by_bssinfo(pdev, bss_info, mlme); 2354 2355 return status; 2356 } 2357 2358 QDF_STATUS 2359 ucfg_scan_get_global_config(struct wlan_objmgr_psoc *psoc, 2360 enum scan_config config, uint32_t *val) 2361 { 2362 struct wlan_scan_obj *scan_obj; 2363 QDF_STATUS status = QDF_STATUS_SUCCESS; 2364 2365 scan_obj = wlan_psoc_get_scan_obj(psoc); 2366 if (!scan_obj || !val) { 2367 scm_err("scan object:%pK config:%d, val:0x%pK", 2368 scan_obj, config, val); 2369 return QDF_STATUS_E_INVAL; 2370 } 2371 switch (config) { 2372 case SCAN_CFG_DISABLE_SCAN_COMMAND_TIMEOUT: 2373 *val = scan_obj->disable_timeout; 2374 break; 2375 case SCAN_CFG_DROP_BCN_ON_CHANNEL_MISMATCH: 2376 *val = scan_obj->drop_bcn_on_chan_mismatch; 2377 break; 2378 2379 default: 2380 status = QDF_STATUS_E_INVAL; 2381 break; 2382 } 2383 2384 return status; 2385 } 2386