Lines Matching refs:local
32 void ieee80211_rx_bss_put(struct ieee80211_local *local, in ieee80211_rx_bss_put() argument
37 cfg80211_put_bss(local->hw.wiphy, in ieee80211_rx_bss_put()
59 ieee80211_update_bss_from_elems(struct ieee80211_local *local, in ieee80211_update_bss_from_elems() argument
129 local->hw.wiphy->bands[rx_status->band]; in ieee80211_update_bss_from_elems()
138 ieee80211_bss_info_update(struct ieee80211_local *local, in ieee80211_bss_info_update() argument
157 else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM)) in ieee80211_bss_info_update()
159 else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC)) in ieee80211_bss_info_update()
160 bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal; in ieee80211_bss_info_update()
171 scan_sdata = rcu_dereference(local->scan_sdata); in ieee80211_bss_info_update()
176 ieee80211_calculate_rx_timestamp(local, rx_status, in ieee80211_bss_info_update()
183 cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta, in ieee80211_bss_info_update()
205 <= local->hw.wiphy->max_adj_channel_rssi_comp; in ieee80211_bss_info_update()
210 ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon); in ieee80211_bss_info_update()
215 ieee80211_update_bss_from_elems(local, non_tx_bss, &elems, in ieee80211_bss_info_update()
236 void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) in ieee80211_scan_rx() argument
249 sdata1 = rcu_dereference(local->scan_sdata); in ieee80211_scan_rx()
250 sdata2 = rcu_dereference(local->sched_scan_sdata); in ieee80211_scan_rx()
260 scan_req = rcu_dereference(local->scan_req); in ieee80211_scan_rx()
261 sched_scan_req = rcu_dereference(local->sched_scan_req); in ieee80211_scan_rx()
279 channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq); in ieee80211_scan_rx()
284 bss = ieee80211_bss_info_update(local, rx_status, in ieee80211_scan_rx()
288 ieee80211_rx_bss_put(local, bss); in ieee80211_scan_rx()
310 static bool ieee80211_prep_hw_scan(struct ieee80211_local *local) in ieee80211_prep_hw_scan() argument
318 req = rcu_dereference_protected(local->scan_req, in ieee80211_prep_hw_scan()
319 lockdep_is_held(&local->mtx)); in ieee80211_prep_hw_scan()
321 if (test_bit(SCAN_HW_CANCELLED, &local->scanning)) in ieee80211_prep_hw_scan()
324 if (ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS)) { in ieee80211_prep_hw_scan()
326 local->hw_scan_req->req.channels[i] = req->channels[i]; in ieee80211_prep_hw_scan()
333 if (local->hw_scan_band == NUM_NL80211_BANDS) in ieee80211_prep_hw_scan()
340 local->hw_scan_band) in ieee80211_prep_hw_scan()
342 local->hw_scan_req->req.channels[n_chans] = in ieee80211_prep_hw_scan()
348 local->hw_scan_band++; in ieee80211_prep_hw_scan()
352 local->hw_scan_req->req.n_channels = n_chans; in ieee80211_prep_hw_scan()
358 ielen = ieee80211_build_preq_ies(local, in ieee80211_prep_hw_scan()
359 (u8 *)local->hw_scan_req->req.ie, in ieee80211_prep_hw_scan()
360 local->hw_scan_ies_bufsize, in ieee80211_prep_hw_scan()
361 &local->hw_scan_req->ies, in ieee80211_prep_hw_scan()
365 local->hw_scan_req->req.ie_len = ielen; in ieee80211_prep_hw_scan()
366 local->hw_scan_req->req.no_cck = req->no_cck; in ieee80211_prep_hw_scan()
367 ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr); in ieee80211_prep_hw_scan()
368 ether_addr_copy(local->hw_scan_req->req.mac_addr_mask, in ieee80211_prep_hw_scan()
370 ether_addr_copy(local->hw_scan_req->req.bssid, req->bssid); in ieee80211_prep_hw_scan()
377 struct ieee80211_local *local = hw_to_local(hw); in __ieee80211_scan_completed() local
378 bool hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning); in __ieee80211_scan_completed()
379 bool was_scanning = local->scanning; in __ieee80211_scan_completed()
384 lockdep_assert_held(&local->mtx); in __ieee80211_scan_completed()
392 if (WARN_ON(!local->scanning && !aborted)) in __ieee80211_scan_completed()
395 if (WARN_ON(!local->scan_req)) in __ieee80211_scan_completed()
399 !ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS) && in __ieee80211_scan_completed()
400 ieee80211_prep_hw_scan(local)) { in __ieee80211_scan_completed()
403 rc = drv_hw_scan(local, in __ieee80211_scan_completed()
404 rcu_dereference_protected(local->scan_sdata, in __ieee80211_scan_completed()
405 lockdep_is_held(&local->mtx)), in __ieee80211_scan_completed()
406 local->hw_scan_req); in __ieee80211_scan_completed()
414 memset(&local->scan_info, 0, sizeof(local->scan_info)); in __ieee80211_scan_completed()
418 kfree(local->hw_scan_req); in __ieee80211_scan_completed()
419 local->hw_scan_req = NULL; in __ieee80211_scan_completed()
421 scan_req = rcu_dereference_protected(local->scan_req, in __ieee80211_scan_completed()
422 lockdep_is_held(&local->mtx)); in __ieee80211_scan_completed()
424 if (scan_req != local->int_scan_req) { in __ieee80211_scan_completed()
425 local->scan_info.aborted = aborted; in __ieee80211_scan_completed()
426 cfg80211_scan_done(scan_req, &local->scan_info); in __ieee80211_scan_completed()
428 RCU_INIT_POINTER(local->scan_req, NULL); in __ieee80211_scan_completed()
430 scan_sdata = rcu_dereference_protected(local->scan_sdata, in __ieee80211_scan_completed()
431 lockdep_is_held(&local->mtx)); in __ieee80211_scan_completed()
432 RCU_INIT_POINTER(local->scan_sdata, NULL); in __ieee80211_scan_completed()
434 local->scanning = 0; in __ieee80211_scan_completed()
435 local->scan_chandef.chan = NULL; in __ieee80211_scan_completed()
438 ieee80211_hw_config(local, 0); in __ieee80211_scan_completed()
441 ieee80211_configure_filter(local); in __ieee80211_scan_completed()
442 drv_sw_scan_complete(local, scan_sdata); in __ieee80211_scan_completed()
443 ieee80211_offchannel_return(local); in __ieee80211_scan_completed()
446 ieee80211_recalc_idle(local); in __ieee80211_scan_completed()
448 ieee80211_mlme_notify_scan_completed(local); in __ieee80211_scan_completed()
449 ieee80211_ibss_notify_scan_completed(local); in __ieee80211_scan_completed()
455 list_for_each_entry_rcu(sdata, &local->interfaces, list) { in __ieee80211_scan_completed()
457 ieee80211_queue_work(&sdata->local->hw, &sdata->work); in __ieee80211_scan_completed()
461 ieee80211_start_next_roc(local); in __ieee80211_scan_completed()
467 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_scan_completed() local
469 trace_api_scan_completed(local, info->aborted); in ieee80211_scan_completed()
471 set_bit(SCAN_COMPLETED, &local->scanning); in ieee80211_scan_completed()
473 set_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_completed()
475 memcpy(&local->scan_info, info, sizeof(*info)); in ieee80211_scan_completed()
477 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0); in ieee80211_scan_completed()
481 static int ieee80211_start_sw_scan(struct ieee80211_local *local, in ieee80211_start_sw_scan() argument
485 if (local->use_chanctx) in ieee80211_start_sw_scan()
501 drv_sw_scan_start(local, sdata, local->scan_addr); in ieee80211_start_sw_scan()
503 local->leave_oper_channel_time = jiffies; in ieee80211_start_sw_scan()
504 local->next_scan_state = SCAN_DECISION; in ieee80211_start_sw_scan()
505 local->scan_channel_idx = 0; in ieee80211_start_sw_scan()
507 ieee80211_offchannel_stop_vifs(local); in ieee80211_start_sw_scan()
510 ieee80211_flush_queues(local, NULL, false); in ieee80211_start_sw_scan()
512 ieee80211_configure_filter(local); in ieee80211_start_sw_scan()
515 ieee80211_hw_config(local, 0); in ieee80211_start_sw_scan()
517 ieee80211_queue_delayed_work(&local->hw, in ieee80211_start_sw_scan()
518 &local->scan_work, 0); in ieee80211_start_sw_scan()
525 struct ieee80211_local *local = sdata->local; in __ieee80211_can_leave_ch() local
528 if (!ieee80211_is_radar_required(local)) in __ieee80211_can_leave_ch()
531 if (!regulatory_pre_cac_allowed(local->hw.wiphy)) in __ieee80211_can_leave_ch()
534 mutex_lock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
535 list_for_each_entry(sdata_iter, &local->interfaces, list) { in __ieee80211_can_leave_ch()
537 mutex_unlock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
541 mutex_unlock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
546 static bool ieee80211_can_scan(struct ieee80211_local *local, in ieee80211_can_scan() argument
552 if (!list_empty(&local->roc_list)) in ieee80211_can_scan()
562 void ieee80211_run_deferred_scan(struct ieee80211_local *local) in ieee80211_run_deferred_scan() argument
564 lockdep_assert_held(&local->mtx); in ieee80211_run_deferred_scan()
566 if (!local->scan_req || local->scanning) in ieee80211_run_deferred_scan()
569 if (!ieee80211_can_scan(local, in ieee80211_run_deferred_scan()
571 local->scan_sdata, in ieee80211_run_deferred_scan()
572 lockdep_is_held(&local->mtx)))) in ieee80211_run_deferred_scan()
575 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, in ieee80211_run_deferred_scan()
608 static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, in ieee80211_scan_state_send_probe() argument
614 enum nl80211_band band = local->hw.conf.chandef.chan->band; in ieee80211_scan_state_send_probe()
617 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_send_probe()
618 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_send_probe()
628 sdata = rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_state_send_probe()
629 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_send_probe()
633 sdata, local->scan_addr, scan_req->bssid, in ieee80211_scan_state_send_probe()
637 tx_flags, local->hw.conf.chandef.chan); in ieee80211_scan_state_send_probe()
644 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_send_probe()
650 struct ieee80211_local *local = sdata->local; in __ieee80211_start_scan() local
651 bool hw_scan = local->ops->hw_scan; in __ieee80211_start_scan()
654 lockdep_assert_held(&local->mtx); in __ieee80211_start_scan()
656 if (local->scan_req) in __ieee80211_start_scan()
662 if (!ieee80211_can_scan(local, sdata)) { in __ieee80211_start_scan()
664 rcu_assign_pointer(local->scan_req, req); in __ieee80211_start_scan()
665 rcu_assign_pointer(local->scan_sdata, sdata); in __ieee80211_start_scan()
673 local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len; in __ieee80211_start_scan()
675 if (ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS)) { in __ieee80211_start_scan()
686 local->hw_scan_ies_bufsize *= n_bands; in __ieee80211_start_scan()
689 local->hw_scan_req = kmalloc( in __ieee80211_start_scan()
690 sizeof(*local->hw_scan_req) + in __ieee80211_start_scan()
692 local->hw_scan_ies_bufsize, GFP_KERNEL); in __ieee80211_start_scan()
693 if (!local->hw_scan_req) in __ieee80211_start_scan()
696 local->hw_scan_req->req.ssids = req->ssids; in __ieee80211_start_scan()
697 local->hw_scan_req->req.n_ssids = req->n_ssids; in __ieee80211_start_scan()
698 ies = (u8 *)local->hw_scan_req + in __ieee80211_start_scan()
699 sizeof(*local->hw_scan_req) + in __ieee80211_start_scan()
701 local->hw_scan_req->req.ie = ies; in __ieee80211_start_scan()
702 local->hw_scan_req->req.flags = req->flags; in __ieee80211_start_scan()
703 eth_broadcast_addr(local->hw_scan_req->req.bssid); in __ieee80211_start_scan()
704 local->hw_scan_req->req.duration = req->duration; in __ieee80211_start_scan()
705 local->hw_scan_req->req.duration_mandatory = in __ieee80211_start_scan()
708 local->hw_scan_band = 0; in __ieee80211_start_scan()
719 rcu_assign_pointer(local->scan_req, req); in __ieee80211_start_scan()
720 rcu_assign_pointer(local->scan_sdata, sdata); in __ieee80211_start_scan()
723 get_random_mask_addr(local->scan_addr, in __ieee80211_start_scan()
727 memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN); in __ieee80211_start_scan()
730 __set_bit(SCAN_HW_SCANNING, &local->scanning); in __ieee80211_start_scan()
732 (req->channels[0] == local->_oper_chandef.chan)) { in __ieee80211_start_scan()
739 __set_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning); in __ieee80211_start_scan()
741 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
745 drv_sw_scan_start(local, sdata, local->scan_addr); in __ieee80211_start_scan()
747 ieee80211_configure_filter(local); /* accept probe-responses */ in __ieee80211_start_scan()
750 ieee80211_hw_config(local, 0); in __ieee80211_start_scan()
757 ieee80211_scan_state_send_probe(local, &next_delay); in __ieee80211_start_scan()
762 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, in __ieee80211_start_scan()
767 __set_bit(SCAN_SW_SCANNING, &local->scanning); in __ieee80211_start_scan()
770 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
773 WARN_ON(!ieee80211_prep_hw_scan(local)); in __ieee80211_start_scan()
774 rc = drv_hw_scan(local, sdata, local->hw_scan_req); in __ieee80211_start_scan()
776 rc = ieee80211_start_sw_scan(local, sdata); in __ieee80211_start_scan()
780 kfree(local->hw_scan_req); in __ieee80211_start_scan()
781 local->hw_scan_req = NULL; in __ieee80211_start_scan()
782 local->scanning = 0; in __ieee80211_start_scan()
784 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
786 local->scan_req = NULL; in __ieee80211_start_scan()
787 RCU_INIT_POINTER(local->scan_sdata, NULL); in __ieee80211_start_scan()
817 static void ieee80211_scan_state_decision(struct ieee80211_local *local, in ieee80211_scan_state_decision() argument
833 mutex_lock(&local->iflist_mtx); in ieee80211_scan_state_decision()
834 list_for_each_entry(sdata, &local->interfaces, list) { in ieee80211_scan_state_decision()
849 mutex_unlock(&local->iflist_mtx); in ieee80211_scan_state_decision()
851 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_decision()
852 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_decision()
854 next_chan = scan_req->channels[local->scan_channel_idx]; in ieee80211_scan_state_decision()
866 local->leave_oper_channel_time + HZ / 8); in ieee80211_scan_state_decision()
879 local->next_scan_state = next_scan_state; in ieee80211_scan_state_decision()
884 static void ieee80211_scan_state_set_channel(struct ieee80211_local *local, in ieee80211_scan_state_set_channel() argument
892 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_set_channel()
893 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_set_channel()
896 chan = scan_req->channels[local->scan_channel_idx]; in ieee80211_scan_state_set_channel()
898 local->scan_chandef.chan = chan; in ieee80211_scan_state_set_channel()
899 local->scan_chandef.center_freq1 = chan->center_freq; in ieee80211_scan_state_set_channel()
900 local->scan_chandef.center_freq2 = 0; in ieee80211_scan_state_set_channel()
903 local->scan_chandef.width = NL80211_CHAN_WIDTH_5; in ieee80211_scan_state_set_channel()
906 local->scan_chandef.width = NL80211_CHAN_WIDTH_10; in ieee80211_scan_state_set_channel()
913 &local->_oper_chandef); in ieee80211_scan_state_set_channel()
914 if (chan == local->_oper_chandef.chan && in ieee80211_scan_state_set_channel()
916 local->scan_chandef = local->_oper_chandef; in ieee80211_scan_state_set_channel()
918 local->scan_chandef.width = NL80211_CHAN_WIDTH_20_NOHT; in ieee80211_scan_state_set_channel()
922 if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL)) in ieee80211_scan_state_set_channel()
926 local->scan_channel_idx++; in ieee80211_scan_state_set_channel()
930 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_set_channel()
947 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_set_channel()
953 local->next_scan_state = SCAN_SEND_PROBE; in ieee80211_scan_state_set_channel()
956 static void ieee80211_scan_state_suspend(struct ieee80211_local *local, in ieee80211_scan_state_suspend() argument
960 local->scan_chandef.chan = NULL; in ieee80211_scan_state_suspend()
961 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); in ieee80211_scan_state_suspend()
964 ieee80211_offchannel_return(local); in ieee80211_scan_state_suspend()
968 local->next_scan_state = SCAN_RESUME; in ieee80211_scan_state_suspend()
971 static void ieee80211_scan_state_resume(struct ieee80211_local *local, in ieee80211_scan_state_resume() argument
974 ieee80211_offchannel_stop_vifs(local); in ieee80211_scan_state_resume()
976 if (local->ops->flush) { in ieee80211_scan_state_resume()
977 ieee80211_flush_queues(local, NULL, false); in ieee80211_scan_state_resume()
983 local->leave_oper_channel_time = jiffies; in ieee80211_scan_state_resume()
986 local->next_scan_state = SCAN_SET_CHANNEL; in ieee80211_scan_state_resume()
991 struct ieee80211_local *local = in ieee80211_scan_work() local
998 mutex_lock(&local->mtx); in ieee80211_scan_work()
1000 if (!ieee80211_can_run_worker(local)) { in ieee80211_scan_work()
1005 sdata = rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_work()
1006 lockdep_is_held(&local->mtx)); in ieee80211_scan_work()
1007 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_work()
1008 lockdep_is_held(&local->mtx)); in ieee80211_scan_work()
1011 if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) { in ieee80211_scan_work()
1012 aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_work()
1016 if (test_and_clear_bit(SCAN_COMPLETED, &local->scanning)) { in ieee80211_scan_work()
1017 aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_work()
1024 if (!local->scanning) { in ieee80211_scan_work()
1027 RCU_INIT_POINTER(local->scan_req, NULL); in ieee80211_scan_work()
1028 RCU_INIT_POINTER(local->scan_sdata, NULL); in ieee80211_scan_work()
1033 rcu_assign_pointer(local->scan_req, scan_req); in ieee80211_scan_work()
1050 switch (local->next_scan_state) { in ieee80211_scan_work()
1053 if (local->scan_channel_idx >= scan_req->n_channels) { in ieee80211_scan_work()
1057 ieee80211_scan_state_decision(local, &next_delay); in ieee80211_scan_work()
1060 ieee80211_scan_state_set_channel(local, &next_delay); in ieee80211_scan_work()
1063 ieee80211_scan_state_send_probe(local, &next_delay); in ieee80211_scan_work()
1066 ieee80211_scan_state_suspend(local, &next_delay); in ieee80211_scan_work()
1069 ieee80211_scan_state_resume(local, &next_delay); in ieee80211_scan_work()
1077 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, next_delay); in ieee80211_scan_work()
1081 __ieee80211_scan_completed(&local->hw, aborted); in ieee80211_scan_work()
1083 mutex_unlock(&local->mtx); in ieee80211_scan_work()
1091 mutex_lock(&sdata->local->mtx); in ieee80211_request_scan()
1093 mutex_unlock(&sdata->local->mtx); in ieee80211_request_scan()
1104 struct ieee80211_local *local = sdata->local; in ieee80211_request_ibss_scan() local
1108 mutex_lock(&local->mtx); in ieee80211_request_ibss_scan()
1111 if (local->scan_req) in ieee80211_request_ibss_scan()
1119 if (!local->hw.wiphy->bands[band]) in ieee80211_request_ibss_scan()
1122 max_n = local->hw.wiphy->bands[band]->n_channels; in ieee80211_request_ibss_scan()
1125 &local->hw.wiphy->bands[band]->channels[i]; in ieee80211_request_ibss_scan()
1131 local->int_scan_req->channels[n_ch] = tmp_ch; in ieee80211_request_ibss_scan()
1139 local->int_scan_req->n_channels = n_ch; in ieee80211_request_ibss_scan()
1146 local->int_scan_req->channels[n_ch] = channels[i]; in ieee80211_request_ibss_scan()
1153 local->int_scan_req->n_channels = n_ch; in ieee80211_request_ibss_scan()
1156 local->int_scan_req->ssids = &local->scan_ssid; in ieee80211_request_ibss_scan()
1157 local->int_scan_req->n_ssids = 1; in ieee80211_request_ibss_scan()
1158 local->int_scan_req->scan_width = scan_width; in ieee80211_request_ibss_scan()
1159 memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN); in ieee80211_request_ibss_scan()
1160 local->int_scan_req->ssids[0].ssid_len = ssid_len; in ieee80211_request_ibss_scan()
1162 ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req); in ieee80211_request_ibss_scan()
1164 mutex_unlock(&local->mtx); in ieee80211_request_ibss_scan()
1171 void ieee80211_scan_cancel(struct ieee80211_local *local) in ieee80211_scan_cancel() argument
1191 mutex_lock(&local->mtx); in ieee80211_scan_cancel()
1192 if (!local->scan_req) in ieee80211_scan_cancel()
1200 if (test_bit(SCAN_HW_SCANNING, &local->scanning) && in ieee80211_scan_cancel()
1201 test_bit(SCAN_COMPLETED, &local->scanning)) { in ieee80211_scan_cancel()
1202 set_bit(SCAN_HW_CANCELLED, &local->scanning); in ieee80211_scan_cancel()
1206 if (test_bit(SCAN_HW_SCANNING, &local->scanning)) { in ieee80211_scan_cancel()
1211 set_bit(SCAN_HW_CANCELLED, &local->scanning); in ieee80211_scan_cancel()
1212 if (local->ops->cancel_hw_scan) in ieee80211_scan_cancel()
1213 drv_cancel_hw_scan(local, in ieee80211_scan_cancel()
1214 rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_cancel()
1215 lockdep_is_held(&local->mtx))); in ieee80211_scan_cancel()
1224 cancel_delayed_work(&local->scan_work); in ieee80211_scan_cancel()
1226 memset(&local->scan_info, 0, sizeof(local->scan_info)); in ieee80211_scan_cancel()
1227 __ieee80211_scan_completed(&local->hw, true); in ieee80211_scan_cancel()
1229 mutex_unlock(&local->mtx); in ieee80211_scan_cancel()
1235 struct ieee80211_local *local = sdata->local; in __ieee80211_request_sched_scan_start() local
1244 iebufsz = local->scan_ies_len + req->ie_len; in __ieee80211_request_sched_scan_start()
1246 lockdep_assert_held(&local->mtx); in __ieee80211_request_sched_scan_start()
1248 if (!local->ops->sched_scan_start) in __ieee80211_request_sched_scan_start()
1252 if (local->hw.wiphy->bands[i]) { in __ieee80211_request_sched_scan_start()
1270 ieee80211_build_preq_ies(local, ie, num_bands * iebufsz, in __ieee80211_request_sched_scan_start()
1275 ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies); in __ieee80211_request_sched_scan_start()
1277 rcu_assign_pointer(local->sched_scan_sdata, sdata); in __ieee80211_request_sched_scan_start()
1278 rcu_assign_pointer(local->sched_scan_req, req); in __ieee80211_request_sched_scan_start()
1286 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in __ieee80211_request_sched_scan_start()
1287 RCU_INIT_POINTER(local->sched_scan_req, NULL); in __ieee80211_request_sched_scan_start()
1296 struct ieee80211_local *local = sdata->local; in ieee80211_request_sched_scan_start() local
1299 mutex_lock(&local->mtx); in ieee80211_request_sched_scan_start()
1301 if (rcu_access_pointer(local->sched_scan_sdata)) { in ieee80211_request_sched_scan_start()
1302 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_start()
1308 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_start()
1312 int ieee80211_request_sched_scan_stop(struct ieee80211_local *local) in ieee80211_request_sched_scan_stop() argument
1317 mutex_lock(&local->mtx); in ieee80211_request_sched_scan_stop()
1319 if (!local->ops->sched_scan_stop) { in ieee80211_request_sched_scan_stop()
1325 RCU_INIT_POINTER(local->sched_scan_req, NULL); in ieee80211_request_sched_scan_stop()
1327 sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, in ieee80211_request_sched_scan_stop()
1328 lockdep_is_held(&local->mtx)); in ieee80211_request_sched_scan_stop()
1330 ret = drv_sched_scan_stop(local, sched_scan_sdata); in ieee80211_request_sched_scan_stop()
1332 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in ieee80211_request_sched_scan_stop()
1335 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_stop()
1342 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_sched_scan_results() local
1344 trace_api_sched_scan_results(local); in ieee80211_sched_scan_results()
1350 void ieee80211_sched_scan_end(struct ieee80211_local *local) in ieee80211_sched_scan_end() argument
1352 mutex_lock(&local->mtx); in ieee80211_sched_scan_end()
1354 if (!rcu_access_pointer(local->sched_scan_sdata)) { in ieee80211_sched_scan_end()
1355 mutex_unlock(&local->mtx); in ieee80211_sched_scan_end()
1359 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in ieee80211_sched_scan_end()
1362 RCU_INIT_POINTER(local->sched_scan_req, NULL); in ieee80211_sched_scan_end()
1364 mutex_unlock(&local->mtx); in ieee80211_sched_scan_end()
1366 cfg80211_sched_scan_stopped(local->hw.wiphy, 0); in ieee80211_sched_scan_end()
1371 struct ieee80211_local *local = in ieee80211_sched_scan_stopped_work() local
1375 ieee80211_sched_scan_end(local); in ieee80211_sched_scan_stopped_work()
1380 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_sched_scan_stopped() local
1382 trace_api_sched_scan_stopped(local); in ieee80211_sched_scan_stopped()
1389 if (local->in_reconfig) in ieee80211_sched_scan_stopped()
1392 schedule_work(&local->sched_scan_stopped_work); in ieee80211_sched_scan_stopped()