38 void ieee80211_configure_filter(struct ieee80211_local *local)  in ieee80211_configure_filter()  argument
44 	if (atomic_read(&local->iff_promiscs))  in ieee80211_configure_filter()
47 	if (atomic_read(&local->iff_allmultis))  in ieee80211_configure_filter()
50 	if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning))  in ieee80211_configure_filter()
53 	if (local->fif_probe_req || local->probe_req_reg)  in ieee80211_configure_filter()
56 	if (local->fif_fcsfail)  in ieee80211_configure_filter()
59 	if (local->fif_plcpfail)  in ieee80211_configure_filter()
62 	if (local->fif_control)  in ieee80211_configure_filter()
65 	if (local->fif_other_bss)  in ieee80211_configure_filter()
68 	if (local->fif_pspoll)  in ieee80211_configure_filter()
71 	spin_lock_bh(&local->filter_lock);  in ieee80211_configure_filter()
72 	changed_flags = local->filter_flags ^ new_flags;  in ieee80211_configure_filter()
74 	mc = drv_prepare_multicast(local, &local->mc_list);  in ieee80211_configure_filter()
75 	spin_unlock_bh(&local->filter_lock);  in ieee80211_configure_filter()
80 	drv_configure_filter(local, changed_flags, &new_flags, mc);  in ieee80211_configure_filter()
84 	local->filter_flags = new_flags & ~(1<<31);  in ieee80211_configure_filter()
89 	struct ieee80211_local *local =  in ieee80211_reconfig_filter()  local
92 	ieee80211_configure_filter(local);  in ieee80211_reconfig_filter()
95 int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)  in ieee80211_hw_config()  argument
108 	offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;  in ieee80211_hw_config()
109 	if (local->scan_channel) {  in ieee80211_hw_config()
110 		chan = local->scan_channel;  in ieee80211_hw_config()
114 		if (chan == local->oper_channel)  in ieee80211_hw_config()
115 			channel_type = local->_oper_channel_type;  in ieee80211_hw_config()
118 	} else if (local->tmp_channel) {  in ieee80211_hw_config()
119 		chan = local->tmp_channel;  in ieee80211_hw_config()
120 		channel_type = local->tmp_channel_type;  in ieee80211_hw_config()
122 		chan = local->oper_channel;  in ieee80211_hw_config()
123 		channel_type = local->_oper_channel_type;  in ieee80211_hw_config()
126 	if (chan != local->oper_channel ||  in ieee80211_hw_config()
127 	    channel_type != local->_oper_channel_type)  in ieee80211_hw_config()
128 		local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;  in ieee80211_hw_config()
130 		local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;  in ieee80211_hw_config()
132 	offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;  in ieee80211_hw_config()
134 	if (offchannel_flag || chan != local->hw.conf.channel ||  in ieee80211_hw_config()
135 	    channel_type != local->hw.conf.channel_type) {  in ieee80211_hw_config()
136 		local->hw.conf.channel = chan;  in ieee80211_hw_config()
137 		local->hw.conf.channel_type = channel_type;  in ieee80211_hw_config()
141 	if (!conf_is_ht(&local->hw.conf)) {  in ieee80211_hw_config()
147 		local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC;  in ieee80211_hw_config()
148 	} else if (local->hw.conf.smps_mode != local->smps_mode) {  in ieee80211_hw_config()
149 		local->hw.conf.smps_mode = local->smps_mode;  in ieee80211_hw_config()
153 	if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||  in ieee80211_hw_config()
154 	    test_bit(SCAN_HW_SCANNING, &local->scanning))  in ieee80211_hw_config()
157 		power = local->power_constr_level ?  in ieee80211_hw_config()
158 			(chan->max_power - local->power_constr_level) :  in ieee80211_hw_config()
161 	if (local->user_power_level >= 0)  in ieee80211_hw_config()
162 		power = min(power, local->user_power_level);  in ieee80211_hw_config()
164 	if (local->hw.conf.power_level != power) {  in ieee80211_hw_config()
166 		local->hw.conf.power_level = power;  in ieee80211_hw_config()
169 	if (changed && local->open_count) {  in ieee80211_hw_config()
170 		ret = drv_config(local, changed);  in ieee80211_hw_config()
194 	struct ieee80211_local *local = sdata->local;  in ieee80211_bss_info_change_notify()  local
238 		if (local->quiescing || !ieee80211_sdata_running(sdata) ||  in ieee80211_bss_info_change_notify()
269 	drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed);  in ieee80211_bss_info_change_notify()
284 	struct ieee80211_local *local = (struct ieee80211_local *) data;  in ieee80211_tasklet_handler()  local
289 	while ((skb = skb_dequeue(&local->skb_queue)) ||  in ieee80211_tasklet_handler()
290 	       (skb = skb_dequeue(&local->skb_queue_unreliable))) {  in ieee80211_tasklet_handler()
296 			ieee80211_rx(local_to_hw(local), skb);  in ieee80211_tasklet_handler()
300 			ieee80211_tx_status(local_to_hw(local), skb);  in ieee80211_tasklet_handler()
304 			for_each_sta_info(local, eosp_data->sta, sta, tmp) {  in ieee80211_tasklet_handler()
325 	struct ieee80211_local *local =  in ieee80211_restart_work()  local
329 	flush_workqueue(local->workqueue);  in ieee80211_restart_work()
331 	mutex_lock(&local->mtx);  in ieee80211_restart_work()
332 	WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||  in ieee80211_restart_work()
333 	     local->sched_scanning,  in ieee80211_restart_work()
335 	mutex_unlock(&local->mtx);  in ieee80211_restart_work()
338 	ieee80211_scan_cancel(local);  in ieee80211_restart_work()
339 	ieee80211_reconfig(local);  in ieee80211_restart_work()
345 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_restart_hw()  local
347 	trace_api_restart_hw(local);  in ieee80211_restart_hw()
356 	schedule_work(&local->restart_work);  in ieee80211_restart_hw()
362 	struct ieee80211_local *local =  in ieee80211_recalc_smps_work()  local
365 	mutex_lock(&local->iflist_mtx);  in ieee80211_recalc_smps_work()
366 	ieee80211_recalc_smps(local);  in ieee80211_recalc_smps_work()
367 	mutex_unlock(&local->iflist_mtx);  in ieee80211_recalc_smps_work()
375 	struct ieee80211_local *local =  in ieee80211_ifa_changed()  local
390 	if (wdev->wiphy != local->hw.wiphy)  in ieee80211_ifa_changed()
439 	struct ieee80211_local *local =  in ieee80211_napi_poll()  local
442 	return local->ops->napi_poll(&local->hw, budget);  in ieee80211_napi_poll()
447 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_napi_schedule()  local
449 	napi_schedule(&local->napi);  in ieee80211_napi_schedule()
455 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_napi_complete()  local
457 	napi_complete(&local->napi);  in ieee80211_napi_complete()
533 	struct ieee80211_local *local;  in ieee80211_alloc_hw()  local
552 	priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;  in ieee80211_alloc_hw()
578 	local = wiphy_priv(wiphy);  in ieee80211_alloc_hw()
580 	local->hw.wiphy = wiphy;  in ieee80211_alloc_hw()
582 	local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);  in ieee80211_alloc_hw()
591 	local->ops = ops;  in ieee80211_alloc_hw()
594 	local->hw.queues = 1;  in ieee80211_alloc_hw()
595 	local->hw.max_rates = 1;  in ieee80211_alloc_hw()
596 	local->hw.max_report_rates = 0;  in ieee80211_alloc_hw()
597 	local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;  in ieee80211_alloc_hw()
598 	local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;  in ieee80211_alloc_hw()
599 	local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;  in ieee80211_alloc_hw()
600 	local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;  in ieee80211_alloc_hw()
601 	local->user_power_level = -1;  in ieee80211_alloc_hw()
602 	local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;  in ieee80211_alloc_hw()
603 	local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;  in ieee80211_alloc_hw()
606 	INIT_LIST_HEAD(&local->interfaces);  in ieee80211_alloc_hw()
608 	__hw_addr_init(&local->mc_list);  in ieee80211_alloc_hw()
610 	mutex_init(&local->iflist_mtx);  in ieee80211_alloc_hw()
611 	mutex_init(&local->mtx);  in ieee80211_alloc_hw()
613 	mutex_init(&local->key_mtx);  in ieee80211_alloc_hw()
614 	spin_lock_init(&local->filter_lock);  in ieee80211_alloc_hw()
615 	spin_lock_init(&local->queue_stop_reason_lock);  in ieee80211_alloc_hw()
624 	skb_queue_head_init_class(&local->rx_skb_queue,  in ieee80211_alloc_hw()
627 	INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);  in ieee80211_alloc_hw()
629 	ieee80211_work_init(local);  in ieee80211_alloc_hw()
631 	INIT_WORK(&local->restart_work, ieee80211_restart_work);  in ieee80211_alloc_hw()
633 	INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);  in ieee80211_alloc_hw()
634 	INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work);  in ieee80211_alloc_hw()
635 	local->smps_mode = IEEE80211_SMPS_OFF;  in ieee80211_alloc_hw()
637 	INIT_WORK(&local->dynamic_ps_enable_work,  in ieee80211_alloc_hw()
639 	INIT_WORK(&local->dynamic_ps_disable_work,  in ieee80211_alloc_hw()
641 	setup_timer(&local->dynamic_ps_timer,  in ieee80211_alloc_hw()
642 		    ieee80211_dynamic_ps_timer, (unsigned long) local);  in ieee80211_alloc_hw()
644 	INIT_WORK(&local->sched_scan_stopped_work,  in ieee80211_alloc_hw()
647 	spin_lock_init(&local->ack_status_lock);  in ieee80211_alloc_hw()
648 	idr_init(&local->ack_status_frames);  in ieee80211_alloc_hw()
650 	idr_pre_get(&local->ack_status_frames, GFP_KERNEL);  in ieee80211_alloc_hw()
652 	sta_info_init(local);  in ieee80211_alloc_hw()
655 		skb_queue_head_init(&local->pending[i]);  in ieee80211_alloc_hw()
656 		atomic_set(&local->agg_queue_stop[i], 0);  in ieee80211_alloc_hw()
658 	tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,  in ieee80211_alloc_hw()
659 		     (unsigned long)local);  in ieee80211_alloc_hw()
661 	tasklet_init(&local->tasklet,  in ieee80211_alloc_hw()
663 		     (unsigned long) local);  in ieee80211_alloc_hw()
665 	skb_queue_head_init(&local->skb_queue);  in ieee80211_alloc_hw()
666 	skb_queue_head_init(&local->skb_queue_unreliable);  in ieee80211_alloc_hw()
669 	init_dummy_netdev(&local->napi_dev);  in ieee80211_alloc_hw()
671 	ieee80211_led_names(local);  in ieee80211_alloc_hw()
673 	ieee80211_hw_roc_setup(local);  in ieee80211_alloc_hw()
675 	return local_to_hw(local);  in ieee80211_alloc_hw()
681 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_register_hw()  local
699 	    && (!local->ops->suspend || !local->ops->resume)  in ieee80211_register_hw()
718 		sband = local->hw.wiphy->bands[band];  in ieee80211_register_hw()
721 		if (!local->oper_channel) {  in ieee80211_register_hw()
723 			local->hw.conf.channel =  in ieee80211_register_hw()
724 			local->oper_channel = &sband->channels[0];  in ieee80211_register_hw()
725 			local->hw.conf.channel_type = NL80211_CHAN_NO_HT;  in ieee80211_register_hw()
734 	local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +  in ieee80211_register_hw()
736 	if (!local->int_scan_req)  in ieee80211_register_hw()
740 		if (!local->hw.wiphy->bands[band])  in ieee80211_register_hw()
742 		local->int_scan_req->rates[band] = (u32) -1;  in ieee80211_register_hw()
746 	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {  in ieee80211_register_hw()
776 	local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT);  in ieee80211_register_hw()
781 	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))  in ieee80211_register_hw()
782 		local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH;  in ieee80211_register_hw()
785 	local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL;  in ieee80211_register_hw()
787 	if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)  in ieee80211_register_hw()
788 		local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;  in ieee80211_register_hw()
789 	else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)  in ieee80211_register_hw()
790 		local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;  in ieee80211_register_hw()
792 	WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)  in ieee80211_register_hw()
793 	     && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),  in ieee80211_register_hw()
802 	local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ +  in ieee80211_register_hw()
805 		local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);  in ieee80211_register_hw()
807 	if (!local->ops->hw_scan) {  in ieee80211_register_hw()
809 		local->hw.wiphy->max_scan_ssids = 4;  in ieee80211_register_hw()
810 		local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;  in ieee80211_register_hw()
820 	if (local->hw.wiphy->max_scan_ie_len)  in ieee80211_register_hw()
821 		local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len;  in ieee80211_register_hw()
824 	if (!local->hw.wiphy->cipher_suites) {  in ieee80211_register_hw()
825 		local->hw.wiphy->cipher_suites = cipher_suites;  in ieee80211_register_hw()
826 		local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);  in ieee80211_register_hw()
827 		if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))  in ieee80211_register_hw()
828 			local->hw.wiphy->n_cipher_suites--;  in ieee80211_register_hw()
830 	if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {  in ieee80211_register_hw()
831 		if (local->hw.wiphy->cipher_suites == cipher_suites) {  in ieee80211_register_hw()
832 			local->hw.wiphy->cipher_suites += 2;  in ieee80211_register_hw()
833 			local->hw.wiphy->n_cipher_suites -= 2;  in ieee80211_register_hw()
841 				local->hw.wiphy->cipher_suites,  in ieee80211_register_hw()
842 				sizeof(u32) * local->hw.wiphy->n_cipher_suites,  in ieee80211_register_hw()
846 			for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {  in ieee80211_register_hw()
847 				u32 suite = local->hw.wiphy->cipher_suites[r];  in ieee80211_register_hw()
853 			local->hw.wiphy->cipher_suites = suites;  in ieee80211_register_hw()
854 			local->hw.wiphy->n_cipher_suites = w;  in ieee80211_register_hw()
855 			local->wiphy_ciphers_allocated = true;  in ieee80211_register_hw()
859 	if (!local->ops->remain_on_channel)  in ieee80211_register_hw()
860 		local->hw.wiphy->max_remain_on_channel_duration = 5000;  in ieee80211_register_hw()
862 	if (local->ops->sched_scan_start)  in ieee80211_register_hw()
863 		local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;  in ieee80211_register_hw()
866 	if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)  in ieee80211_register_hw()
867 		local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP;  in ieee80211_register_hw()
869 	result = wiphy_register(local->hw.wiphy);  in ieee80211_register_hw()
880 	local->workqueue =  in ieee80211_register_hw()
881 		alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0);  in ieee80211_register_hw()
882 	if (!local->workqueue) {  in ieee80211_register_hw()
892 	local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,  in ieee80211_register_hw()
895 	debugfs_hw_add(local);  in ieee80211_register_hw()
901 	if (local->hw.max_listen_interval == 0)  in ieee80211_register_hw()
902 		local->hw.max_listen_interval = 5;  in ieee80211_register_hw()
904 	local->hw.conf.listen_interval = local->hw.max_listen_interval;  in ieee80211_register_hw()
906 	local->dynamic_ps_forced_timeout = -1;  in ieee80211_register_hw()
908 	result = ieee80211_wep_init(local);  in ieee80211_register_hw()
910 		wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",  in ieee80211_register_hw()
913 	ieee80211_led_init(local);  in ieee80211_register_hw()
917 	result = ieee80211_init_rate_ctrl_alg(local,  in ieee80211_register_hw()
920 		wiphy_debug(local->hw.wiphy,  in ieee80211_register_hw()
926 	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) {  in ieee80211_register_hw()
927 		result = ieee80211_if_add(local, "wlan%d", NULL,  in ieee80211_register_hw()
930 			wiphy_warn(local->hw.wiphy,  in ieee80211_register_hw()
936 	local->network_latency_notifier.notifier_call =  in ieee80211_register_hw()
939 				     &local->network_latency_notifier);  in ieee80211_register_hw()
946 	local->ifa_notifier.notifier_call = ieee80211_ifa_changed;  in ieee80211_register_hw()
947 	result = register_inetaddr_notifier(&local->ifa_notifier);  in ieee80211_register_hw()
952 	netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll,  in ieee80211_register_hw()
953 			local->hw.napi_weight);  in ieee80211_register_hw()
960 			       &local->network_latency_notifier);  in ieee80211_register_hw()
964 	ieee80211_led_exit(local);  in ieee80211_register_hw()
965 	ieee80211_remove_interfaces(local);  in ieee80211_register_hw()
968 	ieee80211_wep_free(local);  in ieee80211_register_hw()
969 	sta_info_stop(local);  in ieee80211_register_hw()
970 	destroy_workqueue(local->workqueue);  in ieee80211_register_hw()
972 	wiphy_unregister(local->hw.wiphy);  in ieee80211_register_hw()
974 	if (local->wiphy_ciphers_allocated)  in ieee80211_register_hw()
975 		kfree(local->hw.wiphy->cipher_suites);  in ieee80211_register_hw()
976 	kfree(local->int_scan_req);  in ieee80211_register_hw()
983 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_unregister_hw()  local
985 	tasklet_kill(&local->tx_pending_tasklet);  in ieee80211_unregister_hw()
986 	tasklet_kill(&local->tasklet);  in ieee80211_unregister_hw()
989 			       &local->network_latency_notifier);  in ieee80211_unregister_hw()
991 	unregister_inetaddr_notifier(&local->ifa_notifier);  in ieee80211_unregister_hw()
1001 	ieee80211_remove_interfaces(local);  in ieee80211_unregister_hw()
1009 	del_timer_sync(&local->work_timer);  in ieee80211_unregister_hw()
1011 	cancel_work_sync(&local->restart_work);  in ieee80211_unregister_hw()
1012 	cancel_work_sync(&local->reconfig_filter);  in ieee80211_unregister_hw()
1014 	ieee80211_clear_tx_pending(local);  in ieee80211_unregister_hw()
1015 	rate_control_deinitialize(local);  in ieee80211_unregister_hw()
1017 	if (skb_queue_len(&local->skb_queue) ||  in ieee80211_unregister_hw()
1018 	    skb_queue_len(&local->skb_queue_unreliable))  in ieee80211_unregister_hw()
1019 		wiphy_warn(local->hw.wiphy, "skb_queue not empty\n");  in ieee80211_unregister_hw()
1020 	skb_queue_purge(&local->skb_queue);  in ieee80211_unregister_hw()
1021 	skb_queue_purge(&local->skb_queue_unreliable);  in ieee80211_unregister_hw()
1022 	skb_queue_purge(&local->rx_skb_queue);  in ieee80211_unregister_hw()
1024 	destroy_workqueue(local->workqueue);  in ieee80211_unregister_hw()
1025 	wiphy_unregister(local->hw.wiphy);  in ieee80211_unregister_hw()
1026 	sta_info_stop(local);  in ieee80211_unregister_hw()
1027 	ieee80211_wep_free(local);  in ieee80211_unregister_hw()
1028 	ieee80211_led_exit(local);  in ieee80211_unregister_hw()
1029 	kfree(local->int_scan_req);  in ieee80211_unregister_hw()
1042 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_free_hw()  local
1044 	mutex_destroy(&local->iflist_mtx);  in ieee80211_free_hw()
1045 	mutex_destroy(&local->mtx);  in ieee80211_free_hw()
1047 	if (local->wiphy_ciphers_allocated)  in ieee80211_free_hw()
1048 		kfree(local->hw.wiphy->cipher_suites);  in ieee80211_free_hw()
1050 	idr_for_each(&local->ack_status_frames,  in ieee80211_free_hw()
1052 	idr_destroy(&local->ack_status_frames);  in ieee80211_free_hw()
1054 	wiphy_free(local->hw.wiphy);  in ieee80211_free_hw()