Lines Matching full: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()
144 ieee80211_bss_info_update(struct ieee80211_local *local, in ieee80211_bss_info_update() argument
164 else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM)) in ieee80211_bss_info_update()
166 else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC)) in ieee80211_bss_info_update()
167 bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal; in ieee80211_bss_info_update()
178 scan_sdata = rcu_dereference(local->scan_sdata); in ieee80211_bss_info_update()
183 ieee80211_calculate_rx_timestamp(local, rx_status, in ieee80211_bss_info_update()
190 cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta, in ieee80211_bss_info_update()
221 ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon); in ieee80211_bss_info_update()
226 ieee80211_update_bss_from_elems(local, non_tx_bss, &elems, in ieee80211_bss_info_update()
249 void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) in ieee80211_scan_rx() argument
276 sdata1 = rcu_dereference(local->scan_sdata); in ieee80211_scan_rx()
277 sdata2 = rcu_dereference(local->sched_scan_sdata); in ieee80211_scan_rx()
282 if (test_and_clear_bit(SCAN_BEACON_WAIT, &local->scanning)) { in ieee80211_scan_rx()
288 set_bit(SCAN_BEACON_DONE, &local->scanning); in ieee80211_scan_rx()
289 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0); in ieee80211_scan_rx()
297 scan_req = rcu_dereference(local->scan_req); in ieee80211_scan_rx()
298 sched_scan_req = rcu_dereference(local->sched_scan_req); in ieee80211_scan_rx()
316 channel = ieee80211_get_channel_khz(local->hw.wiphy, in ieee80211_scan_rx()
322 bss = ieee80211_bss_info_update(local, rx_status, in ieee80211_scan_rx()
326 ieee80211_rx_bss_put(local, bss); in ieee80211_scan_rx()
350 struct ieee80211_local *local = sdata->local; in ieee80211_prep_hw_scan() local
357 req = rcu_dereference_protected(local->scan_req, in ieee80211_prep_hw_scan()
358 lockdep_is_held(&local->mtx)); in ieee80211_prep_hw_scan()
360 if (test_bit(SCAN_HW_CANCELLED, &local->scanning)) in ieee80211_prep_hw_scan()
363 if (ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS)) { in ieee80211_prep_hw_scan()
365 local->hw_scan_req->req.channels[i] = req->channels[i]; in ieee80211_prep_hw_scan()
372 if (local->hw_scan_band == NUM_NL80211_BANDS) in ieee80211_prep_hw_scan()
379 local->hw_scan_band) in ieee80211_prep_hw_scan()
381 local->hw_scan_req->req.channels[n_chans] = in ieee80211_prep_hw_scan()
387 local->hw_scan_band++; in ieee80211_prep_hw_scan()
391 local->hw_scan_req->req.n_channels = n_chans; in ieee80211_prep_hw_scan()
398 (u8 *)local->hw_scan_req->req.ie, in ieee80211_prep_hw_scan()
399 local->hw_scan_ies_bufsize, in ieee80211_prep_hw_scan()
400 &local->hw_scan_req->ies, in ieee80211_prep_hw_scan()
404 local->hw_scan_req->req.ie_len = ielen; in ieee80211_prep_hw_scan()
405 local->hw_scan_req->req.no_cck = req->no_cck; in ieee80211_prep_hw_scan()
406 ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr); in ieee80211_prep_hw_scan()
407 ether_addr_copy(local->hw_scan_req->req.mac_addr_mask, in ieee80211_prep_hw_scan()
409 ether_addr_copy(local->hw_scan_req->req.bssid, req->bssid); in ieee80211_prep_hw_scan()
416 struct ieee80211_local *local = hw_to_local(hw); in __ieee80211_scan_completed() local
417 bool hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning); in __ieee80211_scan_completed()
418 bool was_scanning = local->scanning; in __ieee80211_scan_completed()
423 lockdep_assert_held(&local->mtx); in __ieee80211_scan_completed()
428 * local->scan_req next), but not to complete it in __ieee80211_scan_completed()
431 if (WARN_ON(!local->scanning && !aborted)) in __ieee80211_scan_completed()
434 if (WARN_ON(!local->scan_req)) in __ieee80211_scan_completed()
437 scan_sdata = rcu_dereference_protected(local->scan_sdata, in __ieee80211_scan_completed()
438 lockdep_is_held(&local->mtx)); in __ieee80211_scan_completed()
441 !ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS) && in __ieee80211_scan_completed()
445 rc = drv_hw_scan(local, in __ieee80211_scan_completed()
446 rcu_dereference_protected(local->scan_sdata, in __ieee80211_scan_completed()
447 lockdep_is_held(&local->mtx)), in __ieee80211_scan_completed()
448 local->hw_scan_req); in __ieee80211_scan_completed()
456 memset(&local->scan_info, 0, sizeof(local->scan_info)); in __ieee80211_scan_completed()
460 kfree(local->hw_scan_req); in __ieee80211_scan_completed()
461 local->hw_scan_req = NULL; in __ieee80211_scan_completed()
463 scan_req = rcu_dereference_protected(local->scan_req, in __ieee80211_scan_completed()
464 lockdep_is_held(&local->mtx)); in __ieee80211_scan_completed()
466 RCU_INIT_POINTER(local->scan_req, NULL); in __ieee80211_scan_completed()
467 RCU_INIT_POINTER(local->scan_sdata, NULL); in __ieee80211_scan_completed()
469 local->scanning = 0; in __ieee80211_scan_completed()
470 local->scan_chandef.chan = NULL; in __ieee80211_scan_completed()
474 if (scan_req != local->int_scan_req) { in __ieee80211_scan_completed()
475 local->scan_info.aborted = aborted; in __ieee80211_scan_completed()
476 cfg80211_scan_done(scan_req, &local->scan_info); in __ieee80211_scan_completed()
480 ieee80211_hw_config(local, 0); in __ieee80211_scan_completed()
483 ieee80211_configure_filter(local); in __ieee80211_scan_completed()
484 drv_sw_scan_complete(local, scan_sdata); in __ieee80211_scan_completed()
485 ieee80211_offchannel_return(local); in __ieee80211_scan_completed()
488 ieee80211_recalc_idle(local); in __ieee80211_scan_completed()
490 ieee80211_mlme_notify_scan_completed(local); in __ieee80211_scan_completed()
491 ieee80211_ibss_notify_scan_completed(local); in __ieee80211_scan_completed()
497 list_for_each_entry_rcu(sdata, &local->interfaces, list) { in __ieee80211_scan_completed()
499 ieee80211_queue_work(&sdata->local->hw, &sdata->work); in __ieee80211_scan_completed()
503 ieee80211_start_next_roc(local); in __ieee80211_scan_completed()
509 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_scan_completed() local
511 trace_api_scan_completed(local, info->aborted); in ieee80211_scan_completed()
513 set_bit(SCAN_COMPLETED, &local->scanning); in ieee80211_scan_completed()
515 set_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_completed()
517 memcpy(&local->scan_info, info, sizeof(*info)); in ieee80211_scan_completed()
519 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0); in ieee80211_scan_completed()
523 static int ieee80211_start_sw_scan(struct ieee80211_local *local, in ieee80211_start_sw_scan() argument
527 if (local->use_chanctx) in ieee80211_start_sw_scan()
539 * Note that while local->sw_scanning is true everything else but in ieee80211_start_sw_scan()
543 drv_sw_scan_start(local, sdata, local->scan_addr); in ieee80211_start_sw_scan()
545 local->leave_oper_channel_time = jiffies; in ieee80211_start_sw_scan()
546 local->next_scan_state = SCAN_DECISION; in ieee80211_start_sw_scan()
547 local->scan_channel_idx = 0; in ieee80211_start_sw_scan()
549 ieee80211_offchannel_stop_vifs(local); in ieee80211_start_sw_scan()
552 ieee80211_flush_queues(local, NULL, false); in ieee80211_start_sw_scan()
554 ieee80211_configure_filter(local); in ieee80211_start_sw_scan()
557 ieee80211_hw_config(local, 0); in ieee80211_start_sw_scan()
559 ieee80211_queue_delayed_work(&local->hw, in ieee80211_start_sw_scan()
560 &local->scan_work, 0); in ieee80211_start_sw_scan()
567 struct ieee80211_local *local = sdata->local; in __ieee80211_can_leave_ch() local
570 if (!ieee80211_is_radar_required(local)) in __ieee80211_can_leave_ch()
573 if (!regulatory_pre_cac_allowed(local->hw.wiphy)) in __ieee80211_can_leave_ch()
576 mutex_lock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
577 list_for_each_entry(sdata_iter, &local->interfaces, list) { in __ieee80211_can_leave_ch()
579 mutex_unlock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
583 mutex_unlock(&local->iflist_mtx); in __ieee80211_can_leave_ch()
588 static bool ieee80211_can_scan(struct ieee80211_local *local, in ieee80211_can_scan() argument
594 if (!list_empty(&local->roc_list)) in ieee80211_can_scan()
604 void ieee80211_run_deferred_scan(struct ieee80211_local *local) in ieee80211_run_deferred_scan() argument
606 lockdep_assert_held(&local->mtx); in ieee80211_run_deferred_scan()
608 if (!local->scan_req || local->scanning) in ieee80211_run_deferred_scan()
611 if (!ieee80211_can_scan(local, in ieee80211_run_deferred_scan()
613 local->scan_sdata, in ieee80211_run_deferred_scan()
614 lockdep_is_held(&local->mtx)))) in ieee80211_run_deferred_scan()
617 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, in ieee80211_run_deferred_scan()
649 static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, in ieee80211_scan_state_send_probe() argument
655 enum nl80211_band band = local->hw.conf.chandef.chan->band; in ieee80211_scan_state_send_probe()
658 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_send_probe()
659 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_send_probe()
669 sdata = rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_state_send_probe()
670 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_send_probe()
674 sdata, local->scan_addr, scan_req->bssid, in ieee80211_scan_state_send_probe()
678 tx_flags, local->hw.conf.chandef.chan); in ieee80211_scan_state_send_probe()
685 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_send_probe()
691 struct ieee80211_local *local = sdata->local; in __ieee80211_start_scan() local
692 bool hw_scan = local->ops->hw_scan; in __ieee80211_start_scan()
695 lockdep_assert_held(&local->mtx); in __ieee80211_start_scan()
697 if (local->scan_req) in __ieee80211_start_scan()
703 if (!ieee80211_can_scan(local, sdata)) { in __ieee80211_start_scan()
705 rcu_assign_pointer(local->scan_req, req); in __ieee80211_start_scan()
706 rcu_assign_pointer(local->scan_sdata, sdata); in __ieee80211_start_scan()
714 local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len; in __ieee80211_start_scan()
716 if (ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS)) { in __ieee80211_start_scan()
727 local->hw_scan_ies_bufsize *= n_bands; in __ieee80211_start_scan()
730 local->hw_scan_req = kmalloc( in __ieee80211_start_scan()
731 sizeof(*local->hw_scan_req) + in __ieee80211_start_scan()
733 local->hw_scan_ies_bufsize, GFP_KERNEL); in __ieee80211_start_scan()
734 if (!local->hw_scan_req) in __ieee80211_start_scan()
737 local->hw_scan_req->req.ssids = req->ssids; in __ieee80211_start_scan()
738 local->hw_scan_req->req.n_ssids = req->n_ssids; in __ieee80211_start_scan()
739 ies = (u8 *)local->hw_scan_req + in __ieee80211_start_scan()
740 sizeof(*local->hw_scan_req) + in __ieee80211_start_scan()
742 local->hw_scan_req->req.ie = ies; in __ieee80211_start_scan()
743 local->hw_scan_req->req.flags = req->flags; in __ieee80211_start_scan()
744 eth_broadcast_addr(local->hw_scan_req->req.bssid); in __ieee80211_start_scan()
745 local->hw_scan_req->req.duration = req->duration; in __ieee80211_start_scan()
746 local->hw_scan_req->req.duration_mandatory = in __ieee80211_start_scan()
749 local->hw_scan_band = 0; in __ieee80211_start_scan()
750 local->hw_scan_req->req.n_6ghz_params = req->n_6ghz_params; in __ieee80211_start_scan()
751 local->hw_scan_req->req.scan_6ghz_params = in __ieee80211_start_scan()
753 local->hw_scan_req->req.scan_6ghz = req->scan_6ghz; in __ieee80211_start_scan()
756 * After allocating local->hw_scan_req, we must in __ieee80211_start_scan()
764 rcu_assign_pointer(local->scan_req, req); in __ieee80211_start_scan()
765 rcu_assign_pointer(local->scan_sdata, sdata); in __ieee80211_start_scan()
768 get_random_mask_addr(local->scan_addr, in __ieee80211_start_scan()
772 memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN); in __ieee80211_start_scan()
775 __set_bit(SCAN_HW_SCANNING, &local->scanning); in __ieee80211_start_scan()
777 (req->channels[0] == local->_oper_chandef.chan)) { in __ieee80211_start_scan()
784 __set_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning); in __ieee80211_start_scan()
786 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
790 drv_sw_scan_start(local, sdata, local->scan_addr); in __ieee80211_start_scan()
792 ieee80211_configure_filter(local); /* accept probe-responses */ in __ieee80211_start_scan()
795 ieee80211_hw_config(local, 0); in __ieee80211_start_scan()
802 set_bit(SCAN_BEACON_WAIT, &local->scanning); in __ieee80211_start_scan()
804 ieee80211_scan_state_send_probe(local, &next_delay); in __ieee80211_start_scan()
809 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, in __ieee80211_start_scan()
814 __set_bit(SCAN_SW_SCANNING, &local->scanning); in __ieee80211_start_scan()
817 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
821 rc = drv_hw_scan(local, sdata, local->hw_scan_req); in __ieee80211_start_scan()
823 rc = ieee80211_start_sw_scan(local, sdata); in __ieee80211_start_scan()
827 kfree(local->hw_scan_req); in __ieee80211_start_scan()
828 local->hw_scan_req = NULL; in __ieee80211_start_scan()
829 local->scanning = 0; in __ieee80211_start_scan()
831 ieee80211_recalc_idle(local); in __ieee80211_start_scan()
833 local->scan_req = NULL; in __ieee80211_start_scan()
834 RCU_INIT_POINTER(local->scan_sdata, NULL); in __ieee80211_start_scan()
864 static void ieee80211_scan_state_decision(struct ieee80211_local *local, in ieee80211_scan_state_decision() argument
880 mutex_lock(&local->iflist_mtx); in ieee80211_scan_state_decision()
881 list_for_each_entry(sdata, &local->interfaces, list) { in ieee80211_scan_state_decision()
896 mutex_unlock(&local->iflist_mtx); in ieee80211_scan_state_decision()
898 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_decision()
899 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_decision()
901 next_chan = scan_req->channels[local->scan_channel_idx]; in ieee80211_scan_state_decision()
913 local->leave_oper_channel_time + HZ / 8); in ieee80211_scan_state_decision()
926 local->next_scan_state = next_scan_state; in ieee80211_scan_state_decision()
931 static void ieee80211_scan_state_set_channel(struct ieee80211_local *local, in ieee80211_scan_state_set_channel() argument
939 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_state_set_channel()
940 lockdep_is_held(&local->mtx)); in ieee80211_scan_state_set_channel()
943 chan = scan_req->channels[local->scan_channel_idx]; in ieee80211_scan_state_set_channel()
945 local->scan_chandef.chan = chan; in ieee80211_scan_state_set_channel()
946 local->scan_chandef.center_freq1 = chan->center_freq; in ieee80211_scan_state_set_channel()
947 local->scan_chandef.freq1_offset = chan->freq_offset; in ieee80211_scan_state_set_channel()
948 local->scan_chandef.center_freq2 = 0; in ieee80211_scan_state_set_channel()
956 local->scan_chandef.width = ieee80211_s1g_channel_width(chan); in ieee80211_scan_state_set_channel()
962 local->scan_chandef.width = NL80211_CHAN_WIDTH_5; in ieee80211_scan_state_set_channel()
965 local->scan_chandef.width = NL80211_CHAN_WIDTH_10; in ieee80211_scan_state_set_channel()
973 &local->_oper_chandef); in ieee80211_scan_state_set_channel()
974 if (chan == local->_oper_chandef.chan && in ieee80211_scan_state_set_channel()
976 local->scan_chandef = local->_oper_chandef; in ieee80211_scan_state_set_channel()
978 local->scan_chandef.width = NL80211_CHAN_WIDTH_20_NOHT; in ieee80211_scan_state_set_channel()
988 if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL)) in ieee80211_scan_state_set_channel()
992 local->scan_channel_idx++; in ieee80211_scan_state_set_channel()
996 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_set_channel()
1013 local->next_scan_state = SCAN_DECISION; in ieee80211_scan_state_set_channel()
1015 set_bit(SCAN_BEACON_WAIT, &local->scanning); in ieee80211_scan_state_set_channel()
1021 local->next_scan_state = SCAN_SEND_PROBE; in ieee80211_scan_state_set_channel()
1024 static void ieee80211_scan_state_suspend(struct ieee80211_local *local, in ieee80211_scan_state_suspend() argument
1028 local->scan_chandef.chan = NULL; in ieee80211_scan_state_suspend()
1029 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); in ieee80211_scan_state_suspend()
1032 ieee80211_offchannel_return(local); in ieee80211_scan_state_suspend()
1036 local->next_scan_state = SCAN_RESUME; in ieee80211_scan_state_suspend()
1039 static void ieee80211_scan_state_resume(struct ieee80211_local *local, in ieee80211_scan_state_resume() argument
1042 ieee80211_offchannel_stop_vifs(local); in ieee80211_scan_state_resume()
1044 if (local->ops->flush) { in ieee80211_scan_state_resume()
1045 ieee80211_flush_queues(local, NULL, false); in ieee80211_scan_state_resume()
1051 local->leave_oper_channel_time = jiffies; in ieee80211_scan_state_resume()
1054 local->next_scan_state = SCAN_SET_CHANNEL; in ieee80211_scan_state_resume()
1059 struct ieee80211_local *local = in ieee80211_scan_work() local
1066 mutex_lock(&local->mtx); in ieee80211_scan_work()
1068 if (!ieee80211_can_run_worker(local)) { in ieee80211_scan_work()
1073 sdata = rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_work()
1074 lockdep_is_held(&local->mtx)); in ieee80211_scan_work()
1075 scan_req = rcu_dereference_protected(local->scan_req, in ieee80211_scan_work()
1076 lockdep_is_held(&local->mtx)); in ieee80211_scan_work()
1079 if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) { in ieee80211_scan_work()
1080 aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_work()
1084 if (test_and_clear_bit(SCAN_COMPLETED, &local->scanning)) { in ieee80211_scan_work()
1085 aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning); in ieee80211_scan_work()
1092 if (!local->scanning) { in ieee80211_scan_work()
1095 RCU_INIT_POINTER(local->scan_req, NULL); in ieee80211_scan_work()
1096 RCU_INIT_POINTER(local->scan_sdata, NULL); in ieee80211_scan_work()
1101 rcu_assign_pointer(local->scan_req, scan_req); in ieee80211_scan_work()
1108 clear_bit(SCAN_BEACON_WAIT, &local->scanning); in ieee80211_scan_work()
1120 if (test_and_clear_bit(SCAN_BEACON_DONE, &local->scanning) && in ieee80211_scan_work()
1121 local->next_scan_state == SCAN_DECISION) in ieee80211_scan_work()
1122 local->next_scan_state = SCAN_SEND_PROBE; in ieee80211_scan_work()
1124 switch (local->next_scan_state) { in ieee80211_scan_work()
1127 if (local->scan_channel_idx >= scan_req->n_channels) { in ieee80211_scan_work()
1131 ieee80211_scan_state_decision(local, &next_delay); in ieee80211_scan_work()
1134 ieee80211_scan_state_set_channel(local, &next_delay); in ieee80211_scan_work()
1137 ieee80211_scan_state_send_probe(local, &next_delay); in ieee80211_scan_work()
1140 ieee80211_scan_state_suspend(local, &next_delay); in ieee80211_scan_work()
1143 ieee80211_scan_state_resume(local, &next_delay); in ieee80211_scan_work()
1151 ieee80211_queue_delayed_work(&local->hw, &local->scan_work, next_delay); in ieee80211_scan_work()
1155 __ieee80211_scan_completed(&local->hw, aborted); in ieee80211_scan_work()
1157 mutex_unlock(&local->mtx); in ieee80211_scan_work()
1165 mutex_lock(&sdata->local->mtx); in ieee80211_request_scan()
1167 mutex_unlock(&sdata->local->mtx); in ieee80211_request_scan()
1178 struct ieee80211_local *local = sdata->local; in ieee80211_request_ibss_scan() local
1182 mutex_lock(&local->mtx); in ieee80211_request_ibss_scan()
1185 if (local->scan_req) in ieee80211_request_ibss_scan()
1193 if (!local->hw.wiphy->bands[band] || in ieee80211_request_ibss_scan()
1197 max_n = local->hw.wiphy->bands[band]->n_channels; in ieee80211_request_ibss_scan()
1200 &local->hw.wiphy->bands[band]->channels[i]; in ieee80211_request_ibss_scan()
1206 local->int_scan_req->channels[n_ch] = tmp_ch; in ieee80211_request_ibss_scan()
1214 local->int_scan_req->n_channels = n_ch; in ieee80211_request_ibss_scan()
1221 local->int_scan_req->channels[n_ch] = channels[i]; in ieee80211_request_ibss_scan()
1228 local->int_scan_req->n_channels = n_ch; in ieee80211_request_ibss_scan()
1231 local->int_scan_req->ssids = &local->scan_ssid; in ieee80211_request_ibss_scan()
1232 local->int_scan_req->n_ssids = 1; in ieee80211_request_ibss_scan()
1233 local->int_scan_req->scan_width = scan_width; in ieee80211_request_ibss_scan()
1234 memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN); in ieee80211_request_ibss_scan()
1235 local->int_scan_req->ssids[0].ssid_len = ssid_len; in ieee80211_request_ibss_scan()
1237 ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req); in ieee80211_request_ibss_scan()
1239 mutex_unlock(&local->mtx); in ieee80211_request_ibss_scan()
1246 void ieee80211_scan_cancel(struct ieee80211_local *local) in ieee80211_scan_cancel() argument
1255 * local->hw_scan_req to operate on 5G band, what race with in ieee80211_scan_cancel()
1256 * driver which can use local->hw_scan_req in ieee80211_scan_cancel()
1266 mutex_lock(&local->mtx); in ieee80211_scan_cancel()
1267 if (!local->scan_req) in ieee80211_scan_cancel()
1275 if (test_bit(SCAN_HW_SCANNING, &local->scanning) && in ieee80211_scan_cancel()
1276 test_bit(SCAN_COMPLETED, &local->scanning)) { in ieee80211_scan_cancel()
1277 set_bit(SCAN_HW_CANCELLED, &local->scanning); in ieee80211_scan_cancel()
1281 if (test_bit(SCAN_HW_SCANNING, &local->scanning)) { in ieee80211_scan_cancel()
1286 set_bit(SCAN_HW_CANCELLED, &local->scanning); in ieee80211_scan_cancel()
1287 if (local->ops->cancel_hw_scan) in ieee80211_scan_cancel()
1288 drv_cancel_hw_scan(local, in ieee80211_scan_cancel()
1289 rcu_dereference_protected(local->scan_sdata, in ieee80211_scan_cancel()
1290 lockdep_is_held(&local->mtx))); in ieee80211_scan_cancel()
1299 cancel_delayed_work(&local->scan_work); in ieee80211_scan_cancel()
1301 memset(&local->scan_info, 0, sizeof(local->scan_info)); in ieee80211_scan_cancel()
1302 __ieee80211_scan_completed(&local->hw, true); in ieee80211_scan_cancel()
1304 mutex_unlock(&local->mtx); in ieee80211_scan_cancel()
1310 struct ieee80211_local *local = sdata->local; in __ieee80211_request_sched_scan_start() local
1319 iebufsz = local->scan_ies_len + req->ie_len; in __ieee80211_request_sched_scan_start()
1321 lockdep_assert_held(&local->mtx); in __ieee80211_request_sched_scan_start()
1323 if (!local->ops->sched_scan_start) in __ieee80211_request_sched_scan_start()
1327 if (local->hw.wiphy->bands[i]) { in __ieee80211_request_sched_scan_start()
1350 ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies); in __ieee80211_request_sched_scan_start()
1352 rcu_assign_pointer(local->sched_scan_sdata, sdata); in __ieee80211_request_sched_scan_start()
1353 rcu_assign_pointer(local->sched_scan_req, req); in __ieee80211_request_sched_scan_start()
1361 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in __ieee80211_request_sched_scan_start()
1362 RCU_INIT_POINTER(local->sched_scan_req, NULL); in __ieee80211_request_sched_scan_start()
1371 struct ieee80211_local *local = sdata->local; in ieee80211_request_sched_scan_start() local
1374 mutex_lock(&local->mtx); in ieee80211_request_sched_scan_start()
1376 if (rcu_access_pointer(local->sched_scan_sdata)) { in ieee80211_request_sched_scan_start()
1377 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_start()
1383 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_start()
1387 int ieee80211_request_sched_scan_stop(struct ieee80211_local *local) in ieee80211_request_sched_scan_stop() argument
1392 mutex_lock(&local->mtx); in ieee80211_request_sched_scan_stop()
1394 if (!local->ops->sched_scan_stop) { in ieee80211_request_sched_scan_stop()
1400 RCU_INIT_POINTER(local->sched_scan_req, NULL); in ieee80211_request_sched_scan_stop()
1402 sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, in ieee80211_request_sched_scan_stop()
1403 lockdep_is_held(&local->mtx)); in ieee80211_request_sched_scan_stop()
1405 ret = drv_sched_scan_stop(local, sched_scan_sdata); in ieee80211_request_sched_scan_stop()
1407 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in ieee80211_request_sched_scan_stop()
1410 mutex_unlock(&local->mtx); in ieee80211_request_sched_scan_stop()
1417 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_sched_scan_results() local
1419 trace_api_sched_scan_results(local); in ieee80211_sched_scan_results()
1425 void ieee80211_sched_scan_end(struct ieee80211_local *local) in ieee80211_sched_scan_end() argument
1427 mutex_lock(&local->mtx); in ieee80211_sched_scan_end()
1429 if (!rcu_access_pointer(local->sched_scan_sdata)) { in ieee80211_sched_scan_end()
1430 mutex_unlock(&local->mtx); in ieee80211_sched_scan_end()
1434 RCU_INIT_POINTER(local->sched_scan_sdata, NULL); in ieee80211_sched_scan_end()
1437 RCU_INIT_POINTER(local->sched_scan_req, NULL); in ieee80211_sched_scan_end()
1439 mutex_unlock(&local->mtx); in ieee80211_sched_scan_end()
1441 cfg80211_sched_scan_stopped(local->hw.wiphy, 0); in ieee80211_sched_scan_end()
1446 struct ieee80211_local *local = in ieee80211_sched_scan_stopped_work() local
1450 ieee80211_sched_scan_end(local); in ieee80211_sched_scan_stopped_work()
1455 struct ieee80211_local *local = hw_to_local(hw); in ieee80211_sched_scan_stopped() local
1457 trace_api_sched_scan_stopped(local); in ieee80211_sched_scan_stopped()
1464 if (local->in_reconfig) in ieee80211_sched_scan_stopped()
1467 schedule_work(&local->sched_scan_stopped_work); in ieee80211_sched_scan_stopped()