71 	.key_offset = offsetof(struct sta_info, sta.addr),
78 			     struct sta_info *sta)  in sta_info_hash_del()  argument
80 	return rhashtable_remove_fast(&local->sta_hash, &sta->hash_node,  in sta_info_hash_del()
84 static void __cleanup_single_sta(struct sta_info *sta)  in __cleanup_single_sta()  argument
88 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in __cleanup_single_sta()
92 	if (test_sta_flag(sta, WLAN_STA_PS_STA) ||  in __cleanup_single_sta()
93 	    test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||  in __cleanup_single_sta()
94 	    test_sta_flag(sta, WLAN_STA_PS_DELIVER)) {  in __cleanup_single_sta()
95 		if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in __cleanup_single_sta()
96 		    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in __cleanup_single_sta()
103 		clear_sta_flag(sta, WLAN_STA_PS_STA);  in __cleanup_single_sta()
104 		clear_sta_flag(sta, WLAN_STA_PS_DRIVER);  in __cleanup_single_sta()
105 		clear_sta_flag(sta, WLAN_STA_PS_DELIVER);  in __cleanup_single_sta()
110 	if (sta->sta.txq[0]) {  in __cleanup_single_sta()
111 		for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {  in __cleanup_single_sta()
112 			struct txq_info *txqi = to_txq_info(sta->sta.txq[i]);  in __cleanup_single_sta()
121 		local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);  in __cleanup_single_sta()
122 		ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);  in __cleanup_single_sta()
123 		ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);  in __cleanup_single_sta()
127 		mesh_sta_cleanup(sta);  in __cleanup_single_sta()
129 	cancel_work_sync(&sta->drv_deliver_wk);  in __cleanup_single_sta()
138 		kfree(sta->ampdu_mlme.tid_start_tx[i]);  in __cleanup_single_sta()
139 		tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);  in __cleanup_single_sta()
147 static void cleanup_single_sta(struct sta_info *sta)  in cleanup_single_sta()  argument
149 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in cleanup_single_sta()
152 	__cleanup_single_sta(sta);  in cleanup_single_sta()
153 	sta_info_free(local, sta);  in cleanup_single_sta()
161 	struct sta_info *sta;  in sta_info_get()  local
168 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in sta_info_get()
169 		if (sta->sdata == sdata) {  in sta_info_get()
174 			return sta;  in sta_info_get()
189 	struct sta_info *sta;  in sta_info_get_bss()  local
196 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in sta_info_get_bss()
197 		if (sta->sdata == sdata ||  in sta_info_get_bss()
198 		    (sta->sdata->bss && sta->sdata->bss == sdata->bss)) {  in sta_info_get_bss()
203 			return sta;  in sta_info_get_bss()
214 	struct sta_info *sta;  in sta_info_get_by_idx()  local
217 	list_for_each_entry_rcu(sta, &local->sta_list, list) {  in sta_info_get_by_idx()
218 		if (sdata != sta->sdata)  in sta_info_get_by_idx()
224 		return sta;  in sta_info_get_by_idx()
241 void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)  in sta_info_free()  argument
243 	if (sta->rate_ctrl)  in sta_info_free()
244 		rate_control_free_sta(sta);  in sta_info_free()
246 	sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr);  in sta_info_free()
248 	if (sta->sta.txq[0])  in sta_info_free()
249 		kfree(to_txq_info(sta->sta.txq[0]));  in sta_info_free()
250 	kfree(rcu_dereference_raw(sta->sta.rates));  in sta_info_free()
251 	kfree(sta);  in sta_info_free()
256 			     struct sta_info *sta)  in sta_info_hash_add()  argument
258 	return rhashtable_insert_fast(&local->sta_hash, &sta->hash_node,  in sta_info_hash_add()
264 	struct sta_info *sta;  in sta_deliver_ps_frames()  local
266 	sta = container_of(wk, struct sta_info, drv_deliver_wk);  in sta_deliver_ps_frames()
268 	if (sta->dead)  in sta_deliver_ps_frames()
272 	if (!test_sta_flag(sta, WLAN_STA_PS_STA))  in sta_deliver_ps_frames()
273 		ieee80211_sta_ps_deliver_wakeup(sta);  in sta_deliver_ps_frames()
274 	else if (test_and_clear_sta_flag(sta, WLAN_STA_PSPOLL))  in sta_deliver_ps_frames()
275 		ieee80211_sta_ps_deliver_poll_response(sta);  in sta_deliver_ps_frames()
276 	else if (test_and_clear_sta_flag(sta, WLAN_STA_UAPSD))  in sta_deliver_ps_frames()
277 		ieee80211_sta_ps_deliver_uapsd(sta);  in sta_deliver_ps_frames()
282 				    struct sta_info *sta, gfp_t gfp)  in sta_prepare_rate_control()  argument
287 	sta->rate_ctrl = local->rate_ctrl;  in sta_prepare_rate_control()
288 	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl,  in sta_prepare_rate_control()
289 						     &sta->sta, gfp);  in sta_prepare_rate_control()
290 	if (!sta->rate_ctrl_priv)  in sta_prepare_rate_control()
301 	struct sta_info *sta;  in sta_info_alloc()  local
305 	sta = kzalloc(sizeof(*sta) + hw->sta_data_size, gfp);  in sta_info_alloc()
306 	if (!sta)  in sta_info_alloc()
309 	spin_lock_init(&sta->lock);  in sta_info_alloc()
310 	spin_lock_init(&sta->ps_lock);  in sta_info_alloc()
311 	INIT_WORK(&sta->drv_deliver_wk, sta_deliver_ps_frames);  in sta_info_alloc()
312 	INIT_WORK(&sta->ampdu_mlme.work, ieee80211_ba_session_work);  in sta_info_alloc()
313 	mutex_init(&sta->ampdu_mlme.mtx);  in sta_info_alloc()
317 		init_timer(&sta->plink_timer);  in sta_info_alloc()
318 	sta->nonpeer_pm = NL80211_MESH_POWER_ACTIVE;  in sta_info_alloc()
321 	memcpy(sta->sta.addr, addr, ETH_ALEN);  in sta_info_alloc()
322 	sta->local = local;  in sta_info_alloc()
323 	sta->sdata = sdata;  in sta_info_alloc()
324 	sta->last_rx = jiffies;  in sta_info_alloc()
326 	sta->sta_state = IEEE80211_STA_NONE;  in sta_info_alloc()
329 	sta->reserved_tid = IEEE80211_TID_UNRESERVED;  in sta_info_alloc()
332 	sta->last_connected = uptime.tv_sec;  in sta_info_alloc()
333 	ewma_init(&sta->avg_signal, 1024, 8);  in sta_info_alloc()
334 	for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)  in sta_info_alloc()
335 		ewma_init(&sta->chain_signal_avg[i], 1024, 8);  in sta_info_alloc()
342 		txq_data = kcalloc(ARRAY_SIZE(sta->sta.txq), size, gfp);  in sta_info_alloc()
346 		for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {  in sta_info_alloc()
349 			ieee80211_init_tx_queue(sdata, sta, txq, i);  in sta_info_alloc()
353 	if (sta_prepare_rate_control(local, sta, gfp))  in sta_info_alloc()
362 		sta->timer_to_tid[i] = i;  in sta_info_alloc()
365 		skb_queue_head_init(&sta->ps_tx_buf[i]);  in sta_info_alloc()
366 		skb_queue_head_init(&sta->tx_filtered[i]);  in sta_info_alloc()
370 		sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX);  in sta_info_alloc()
372 	sta->sta.smps_mode = IEEE80211_SMPS_OFF;  in sta_info_alloc()
385 			sta->known_smps_mode = IEEE80211_SMPS_OFF;  in sta_info_alloc()
388 			sta->known_smps_mode = IEEE80211_SMPS_STATIC;  in sta_info_alloc()
391 			sta->known_smps_mode = IEEE80211_SMPS_DYNAMIC;  in sta_info_alloc()
398 	sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);  in sta_info_alloc()
400 	return sta;  in sta_info_alloc()
403 	if (sta->sta.txq[0])  in sta_info_alloc()
404 		kfree(to_txq_info(sta->sta.txq[0]));  in sta_info_alloc()
406 	kfree(sta);  in sta_info_alloc()
410 static int sta_info_insert_check(struct sta_info *sta)  in sta_info_insert_check()  argument
412 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_info_insert_check()
422 	if (WARN_ON(ether_addr_equal(sta->sta.addr, sdata->vif.addr) ||  in sta_info_insert_check()
423 		    is_multicast_ether_addr(sta->sta.addr)))  in sta_info_insert_check()
431 				     struct sta_info *sta)  in sta_info_insert_drv_state()  argument
436 	for (state = IEEE80211_STA_NOTEXIST; state < sta->sta_state; state++) {  in sta_info_insert_drv_state()
437 		err = drv_sta_state(local, sdata, sta, state, state + 1);  in sta_info_insert_drv_state()
448 			sta->uploaded = true;  in sta_info_insert_drv_state()
455 			   sta->sta.addr, state + 1, err);  in sta_info_insert_drv_state()
461 		WARN_ON(drv_sta_state(local, sdata, sta, state, state - 1));  in sta_info_insert_drv_state()
471 static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)  in sta_info_insert_finish()  argument
473 	struct ieee80211_local *local = sta->local;  in sta_info_insert_finish()
474 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_info_insert_finish()
481 	if (sta_info_get_bss(sdata, sta->sta.addr)) {  in sta_info_insert_finish()
491 	set_sta_flag(sta, WLAN_STA_BLOCK_BA);  in sta_info_insert_finish()
494 	err = sta_info_hash_add(local, sta);  in sta_info_insert_finish()
498 	list_add_tail_rcu(&sta->list, &local->sta_list);  in sta_info_insert_finish()
501 	err = sta_info_insert_drv_state(local, sdata, sta);  in sta_info_insert_finish()
505 	set_sta_flag(sta, WLAN_STA_INSERTED);  in sta_info_insert_finish()
507 	clear_sta_flag(sta, WLAN_STA_BLOCK_BA);  in sta_info_insert_finish()
510 	ieee80211_sta_debugfs_add(sta);  in sta_info_insert_finish()
511 	rate_control_add_sta_debugfs(sta);  in sta_info_insert_finish()
516 	cfg80211_new_sta(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL);  in sta_info_insert_finish()
518 	sta_dbg(sdata, "Inserted STA %pM\n", sta->sta.addr);  in sta_info_insert_finish()
529 	sta_info_hash_del(local, sta);  in sta_info_insert_finish()
530 	list_del_rcu(&sta->list);  in sta_info_insert_finish()
534 	__cleanup_single_sta(sta);  in sta_info_insert_finish()
541 int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU)  in sta_info_insert_rcu()  argument
543 	struct ieee80211_local *local = sta->local;  in sta_info_insert_rcu()
548 	err = sta_info_insert_check(sta);  in sta_info_insert_rcu()
556 	err = sta_info_insert_finish(sta);  in sta_info_insert_rcu()
562 	sta_info_free(local, sta);  in sta_info_insert_rcu()
566 int sta_info_insert(struct sta_info *sta)  in sta_info_insert()  argument
568 	int err = sta_info_insert_rcu(sta);  in sta_info_insert()
620 static void __sta_info_recalc_tim(struct sta_info *sta, bool ignore_pending)  in __sta_info_recalc_tim()  argument
622 	struct ieee80211_local *local = sta->local;  in __sta_info_recalc_tim()
625 	u8 ignore_for_tim = sta->sta.uapsd_queues;  in __sta_info_recalc_tim()
629 	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in __sta_info_recalc_tim()
630 	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {  in __sta_info_recalc_tim()
631 		if (WARN_ON_ONCE(!sta->sdata->bss))  in __sta_info_recalc_tim()
634 		ps = &sta->sdata->bss->ps;  in __sta_info_recalc_tim()
635 		id = sta->sta.aid;  in __sta_info_recalc_tim()
637 	} else if (ieee80211_vif_is_mesh(&sta->sdata->vif)) {  in __sta_info_recalc_tim()
638 		ps = &sta->sdata->u.mesh.ps;  in __sta_info_recalc_tim()
640 		id = sta->plid % (IEEE80211_MAX_AID + 1);  in __sta_info_recalc_tim()
650 	if (sta->dead)  in __sta_info_recalc_tim()
671 		indicate_tim |= !skb_queue_empty(&sta->tx_filtered[ac]) ||  in __sta_info_recalc_tim()
672 				!skb_queue_empty(&sta->ps_tx_buf[ac]);  in __sta_info_recalc_tim()
679 			sta->driver_buffered_tids & tids;  in __sta_info_recalc_tim()
681 			sta->txq_buffered_tids & tids;  in __sta_info_recalc_tim()
695 	if (local->ops->set_tim && !WARN_ON(sta->dead)) {  in __sta_info_recalc_tim()
697 		drv_set_tim(local, &sta->sta, indicate_tim);  in __sta_info_recalc_tim()
705 void sta_info_recalc_tim(struct sta_info *sta)  in sta_info_recalc_tim()  argument
707 	__sta_info_recalc_tim(sta, false);  in sta_info_recalc_tim()
710 static bool sta_info_buffer_expired(struct sta_info *sta, struct sk_buff *skb)  in sta_info_buffer_expired()  argument
721 	timeout = (sta->listen_interval *  in sta_info_buffer_expired()
722 		   sta->sdata->vif.bss_conf.beacon_int *  in sta_info_buffer_expired()
731 						struct sta_info *sta, int ac)  in sta_info_cleanup_expire_buffered_ac()  argument
744 		spin_lock_irqsave(&sta->tx_filtered[ac].lock, flags);  in sta_info_cleanup_expire_buffered_ac()
745 		skb = skb_peek(&sta->tx_filtered[ac]);  in sta_info_cleanup_expire_buffered_ac()
746 		if (sta_info_buffer_expired(sta, skb))  in sta_info_cleanup_expire_buffered_ac()
747 			skb = __skb_dequeue(&sta->tx_filtered[ac]);  in sta_info_cleanup_expire_buffered_ac()
750 		spin_unlock_irqrestore(&sta->tx_filtered[ac].lock, flags);  in sta_info_cleanup_expire_buffered_ac()
770 		spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);  in sta_info_cleanup_expire_buffered_ac()
771 		skb = skb_peek(&sta->ps_tx_buf[ac]);  in sta_info_cleanup_expire_buffered_ac()
772 		if (sta_info_buffer_expired(sta, skb))  in sta_info_cleanup_expire_buffered_ac()
773 			skb = __skb_dequeue(&sta->ps_tx_buf[ac]);  in sta_info_cleanup_expire_buffered_ac()
776 		spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);  in sta_info_cleanup_expire_buffered_ac()
787 		ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",  in sta_info_cleanup_expire_buffered_ac()
788 		       sta->sta.addr);  in sta_info_cleanup_expire_buffered_ac()
797 	sta_info_recalc_tim(sta);  in sta_info_cleanup_expire_buffered_ac()
804 	return !(skb_queue_empty(&sta->ps_tx_buf[ac]) &&  in sta_info_cleanup_expire_buffered_ac()
805 		 skb_queue_empty(&sta->tx_filtered[ac]));  in sta_info_cleanup_expire_buffered_ac()
809 					     struct sta_info *sta)  in sta_info_cleanup_expire_buffered()  argument
815 	if (!sta->sdata->bss &&  in sta_info_cleanup_expire_buffered()
816 	    !ieee80211_vif_is_mesh(&sta->sdata->vif))  in sta_info_cleanup_expire_buffered()
821 			sta_info_cleanup_expire_buffered_ac(local, sta, ac);  in sta_info_cleanup_expire_buffered()
826 static int __must_check __sta_info_destroy_part1(struct sta_info *sta)  in __sta_info_destroy_part1()  argument
834 	if (!sta)  in __sta_info_destroy_part1()
837 	local = sta->local;  in __sta_info_destroy_part1()
838 	sdata = sta->sdata;  in __sta_info_destroy_part1()
848 	set_sta_flag(sta, WLAN_STA_BLOCK_BA);  in __sta_info_destroy_part1()
849 	ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA);  in __sta_info_destroy_part1()
851 	ret = sta_info_hash_del(local, sta);  in __sta_info_destroy_part1()
859 	if (test_sta_flag(sta, WLAN_STA_TDLS_OFF_CHANNEL)) {  in __sta_info_destroy_part1()
860 		drv_tdls_cancel_channel_switch(local, sdata, &sta->sta);  in __sta_info_destroy_part1()
861 		clear_sta_flag(sta, WLAN_STA_TDLS_OFF_CHANNEL);  in __sta_info_destroy_part1()
864 	list_del_rcu(&sta->list);  in __sta_info_destroy_part1()
866 	drv_sta_pre_rcu_remove(local, sta->sdata, sta);  in __sta_info_destroy_part1()
869 	    rcu_access_pointer(sdata->u.vlan.sta) == sta)  in __sta_info_destroy_part1()
870 		RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);  in __sta_info_destroy_part1()
875 static void __sta_info_destroy_part2(struct sta_info *sta)  in __sta_info_destroy_part2()  argument
877 	struct ieee80211_local *local = sta->local;  in __sta_info_destroy_part2()
878 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in __sta_info_destroy_part2()
891 	ieee80211_free_sta_keys(local, sta);  in __sta_info_destroy_part2()
894 	__sta_info_recalc_tim(sta, true);  in __sta_info_destroy_part2()
896 	sta->dead = true;  in __sta_info_destroy_part2()
901 	while (sta->sta_state > IEEE80211_STA_NONE) {  in __sta_info_destroy_part2()
902 		ret = sta_info_move_state(sta, sta->sta_state - 1);  in __sta_info_destroy_part2()
909 	if (sta->uploaded) {  in __sta_info_destroy_part2()
910 		ret = drv_sta_state(local, sdata, sta, IEEE80211_STA_NONE,  in __sta_info_destroy_part2()
915 	sta_dbg(sdata, "Removed STA %pM\n", sta->sta.addr);  in __sta_info_destroy_part2()
917 	sta_set_sinfo(sta, &sinfo);  in __sta_info_destroy_part2()
918 	cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL);  in __sta_info_destroy_part2()
920 	rate_control_remove_sta_debugfs(sta);  in __sta_info_destroy_part2()
921 	ieee80211_sta_debugfs_remove(sta);  in __sta_info_destroy_part2()
924 	cleanup_single_sta(sta);  in __sta_info_destroy_part2()
927 int __must_check __sta_info_destroy(struct sta_info *sta)  in __sta_info_destroy()  argument
929 	int err = __sta_info_destroy_part1(sta);  in __sta_info_destroy()
936 	__sta_info_destroy_part2(sta);  in __sta_info_destroy()
943 	struct sta_info *sta;  in sta_info_destroy_addr()  local
947 	sta = sta_info_get(sdata, addr);  in sta_info_destroy_addr()
948 	ret = __sta_info_destroy(sta);  in sta_info_destroy_addr()
957 	struct sta_info *sta;  in sta_info_destroy_addr_bss()  local
961 	sta = sta_info_get_bss(sdata, addr);  in sta_info_destroy_addr_bss()
962 	ret = __sta_info_destroy(sta);  in sta_info_destroy_addr_bss()
971 	struct sta_info *sta;  in sta_info_cleanup()  local
975 	list_for_each_entry_rcu(sta, &local->sta_list, list)  in sta_info_cleanup()
976 		if (sta_info_cleanup_expire_buffered(local, sta))  in sta_info_cleanup()
1022 	struct sta_info *sta, *tmp;  in __sta_info_flush()  local
1032 	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {  in __sta_info_flush()
1033 		if (sdata == sta->sdata ||  in __sta_info_flush()
1034 		    (vlans && sdata->bss == sta->sdata->bss)) {  in __sta_info_flush()
1035 			if (!WARN_ON(__sta_info_destroy_part1(sta)))  in __sta_info_flush()
1036 				list_add(&sta->free_list, &free_list);  in __sta_info_flush()
1043 		list_for_each_entry_safe(sta, tmp, &free_list, free_list)  in __sta_info_flush()
1044 			__sta_info_destroy_part2(sta);  in __sta_info_flush()
1055 	struct sta_info *sta, *tmp;  in ieee80211_sta_expire()  local
1059 	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {  in ieee80211_sta_expire()
1060 		if (sdata != sta->sdata)  in ieee80211_sta_expire()
1063 		if (time_after(jiffies, sta->last_rx + exp_time)) {  in ieee80211_sta_expire()
1064 			sta_dbg(sta->sdata, "expiring inactive STA %pM\n",  in ieee80211_sta_expire()
1065 				sta->sta.addr);  in ieee80211_sta_expire()
1068 			    test_sta_flag(sta, WLAN_STA_PS_STA))  in ieee80211_sta_expire()
1071 			WARN_ON(__sta_info_destroy(sta));  in ieee80211_sta_expire()
1083 	struct sta_info *sta;  in ieee80211_find_sta_by_ifaddr()  local
1093 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in ieee80211_find_sta_by_ifaddr()
1095 		    !ether_addr_equal(sta->sdata->vif.addr, localaddr))  in ieee80211_find_sta_by_ifaddr()
1097 		if (!sta->uploaded)  in ieee80211_find_sta_by_ifaddr()
1099 		return &sta->sta;  in ieee80211_find_sta_by_ifaddr()
1109 	struct sta_info *sta;  in ieee80211_find_sta()  local
1114 	sta = sta_info_get_bss(vif_to_sdata(vif), addr);  in ieee80211_find_sta()
1115 	if (!sta)  in ieee80211_find_sta()
1118 	if (!sta->uploaded)  in ieee80211_find_sta()
1121 	return &sta->sta;  in ieee80211_find_sta()
1126 void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)  in ieee80211_sta_ps_deliver_wakeup()  argument
1128 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_sta_ps_deliver_wakeup()
1146 	clear_sta_flag(sta, WLAN_STA_SP);  in ieee80211_sta_ps_deliver_wakeup()
1149 	sta->driver_buffered_tids = 0;  in ieee80211_sta_ps_deliver_wakeup()
1150 	sta->txq_buffered_tids = 0;  in ieee80211_sta_ps_deliver_wakeup()
1153 		drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);  in ieee80211_sta_ps_deliver_wakeup()
1155 	if (sta->sta.txq[0]) {  in ieee80211_sta_ps_deliver_wakeup()
1156 		for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {  in ieee80211_sta_ps_deliver_wakeup()
1157 			struct txq_info *txqi = to_txq_info(sta->sta.txq[i]);  in ieee80211_sta_ps_deliver_wakeup()
1169 	spin_lock(&sta->ps_lock);  in ieee80211_sta_ps_deliver_wakeup()
1174 		spin_lock_irqsave(&sta->tx_filtered[ac].lock, flags);  in ieee80211_sta_ps_deliver_wakeup()
1175 		skb_queue_splice_tail_init(&sta->tx_filtered[ac], &pending);  in ieee80211_sta_ps_deliver_wakeup()
1176 		spin_unlock_irqrestore(&sta->tx_filtered[ac].lock, flags);  in ieee80211_sta_ps_deliver_wakeup()
1181 		spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);  in ieee80211_sta_ps_deliver_wakeup()
1182 		skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending);  in ieee80211_sta_ps_deliver_wakeup()
1183 		spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);  in ieee80211_sta_ps_deliver_wakeup()
1191 	clear_sta_flag(sta, WLAN_STA_PS_DELIVER);  in ieee80211_sta_ps_deliver_wakeup()
1196 	clear_sta_flag(sta, WLAN_STA_PSPOLL);  in ieee80211_sta_ps_deliver_wakeup()
1197 	clear_sta_flag(sta, WLAN_STA_UAPSD);  in ieee80211_sta_ps_deliver_wakeup()
1198 	spin_unlock(&sta->ps_lock);  in ieee80211_sta_ps_deliver_wakeup()
1204 	    !ieee80211_smps_is_restrictive(sta->known_smps_mode,  in ieee80211_sta_ps_deliver_wakeup()
1206 	    sta->known_smps_mode != sdata->bss->req_smps &&  in ieee80211_sta_ps_deliver_wakeup()
1207 	    sta_info_tx_streams(sta) != 1) {  in ieee80211_sta_ps_deliver_wakeup()
1210 		       sta->sta.addr);  in ieee80211_sta_ps_deliver_wakeup()
1212 					   sta->sta.addr,  in ieee80211_sta_ps_deliver_wakeup()
1218 	sta_info_recalc_tim(sta);  in ieee80211_sta_ps_deliver_wakeup()
1222 	       sta->sta.addr, sta->sta.aid, filtered, buffered);  in ieee80211_sta_ps_deliver_wakeup()
1226 					 struct sta_info *sta, int tid,  in ieee80211_send_null_response()  argument
1235 	bool qos = sta->sta.wme;  in ieee80211_send_null_response()
1259 	memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);  in ieee80211_send_null_response()
1289 		drv_allow_buffered_frames(local, sta, BIT(tid), 1,  in ieee80211_send_null_response()
1303 	ieee80211_xmit(sdata, sta, skb);  in ieee80211_send_null_response()
1319 ieee80211_sta_ps_deliver_response(struct sta_info *sta,  in ieee80211_sta_ps_deliver_response()  argument
1323 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_sta_ps_deliver_response()
1331 	set_sta_flag(sta, WLAN_STA_SP);  in ieee80211_sta_ps_deliver_response()
1348 			driver_release_tids |= sta->driver_buffered_tids & tids;  in ieee80211_sta_ps_deliver_response()
1349 			driver_release_tids |= sta->txq_buffered_tids & tids;  in ieee80211_sta_ps_deliver_response()
1370 				skb = skb_dequeue(&sta->tx_filtered[ac]);  in ieee80211_sta_ps_deliver_response()
1373 						&sta->ps_tx_buf[ac]);  in ieee80211_sta_ps_deliver_response()
1388 		if (!skb_queue_empty(&sta->tx_filtered[ac]) ||  in ieee80211_sta_ps_deliver_response()
1389 		    !skb_queue_empty(&sta->ps_tx_buf[ac])) {  in ieee80211_sta_ps_deliver_response()
1416 		ieee80211_send_null_response(sdata, sta, tid, reason, true);  in ieee80211_sta_ps_deliver_response()
1509 		drv_allow_buffered_frames(local, sta, tids, num,  in ieee80211_sta_ps_deliver_response()
1516 				sdata, sta, find_highest_prio_tid(tids),  in ieee80211_sta_ps_deliver_response()
1519 		sta_info_recalc_tim(sta);  in ieee80211_sta_ps_deliver_response()
1521 		unsigned long tids = sta->txq_buffered_tids & driver_release_tids;  in ieee80211_sta_ps_deliver_response()
1534 		drv_release_buffered_frames(local, sta, driver_release_tids,  in ieee80211_sta_ps_deliver_response()
1547 		if (!sta->sta.txq[0])  in ieee80211_sta_ps_deliver_response()
1550 		for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {  in ieee80211_sta_ps_deliver_response()
1551 			struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]);  in ieee80211_sta_ps_deliver_response()
1556 			sta_info_recalc_tim(sta);  in ieee80211_sta_ps_deliver_response()
1562 void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta)  in ieee80211_sta_ps_deliver_poll_response()  argument
1564 	u8 ignore_for_response = sta->sta.uapsd_queues;  in ieee80211_sta_ps_deliver_poll_response()
1574 	ieee80211_sta_ps_deliver_response(sta, 1, ignore_for_response,  in ieee80211_sta_ps_deliver_poll_response()
1578 void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta)  in ieee80211_sta_ps_deliver_uapsd()  argument
1580 	int n_frames = sta->sta.max_sp;  in ieee80211_sta_ps_deliver_uapsd()
1581 	u8 delivery_enabled = sta->sta.uapsd_queues;  in ieee80211_sta_ps_deliver_uapsd()
1592 	switch (sta->sta.max_sp) {  in ieee80211_sta_ps_deliver_uapsd()
1608 	ieee80211_sta_ps_deliver_response(sta, n_frames, ~delivery_enabled,  in ieee80211_sta_ps_deliver_uapsd()
1615 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_sta_block_awake()  local
1617 	trace_api_sta_block_awake(sta->local, pubsta, block);  in ieee80211_sta_block_awake()
1620 		set_sta_flag(sta, WLAN_STA_PS_DRIVER);  in ieee80211_sta_block_awake()
1624 	if (!test_sta_flag(sta, WLAN_STA_PS_DRIVER))  in ieee80211_sta_block_awake()
1627 	if (!test_sta_flag(sta, WLAN_STA_PS_STA)) {  in ieee80211_sta_block_awake()
1628 		set_sta_flag(sta, WLAN_STA_PS_DELIVER);  in ieee80211_sta_block_awake()
1629 		clear_sta_flag(sta, WLAN_STA_PS_DRIVER);  in ieee80211_sta_block_awake()
1630 		ieee80211_queue_work(hw, &sta->drv_deliver_wk);  in ieee80211_sta_block_awake()
1631 	} else if (test_sta_flag(sta, WLAN_STA_PSPOLL) ||  in ieee80211_sta_block_awake()
1632 		   test_sta_flag(sta, WLAN_STA_UAPSD)) {  in ieee80211_sta_block_awake()
1634 		clear_sta_flag(sta, WLAN_STA_PS_DRIVER);  in ieee80211_sta_block_awake()
1635 		ieee80211_queue_work(hw, &sta->drv_deliver_wk);  in ieee80211_sta_block_awake()
1637 		clear_sta_flag(sta, WLAN_STA_PS_DRIVER);  in ieee80211_sta_block_awake()
1644 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_sta_eosp()  local
1645 	struct ieee80211_local *local = sta->local;  in ieee80211_sta_eosp()
1649 	clear_sta_flag(sta, WLAN_STA_SP);  in ieee80211_sta_eosp()
1656 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_sta_set_buffered()  local
1661 	trace_api_sta_set_buffered(sta->local, pubsta, tid, buffered);  in ieee80211_sta_set_buffered()
1664 		set_bit(tid, &sta->driver_buffered_tids);  in ieee80211_sta_set_buffered()
1666 		clear_bit(tid, &sta->driver_buffered_tids);  in ieee80211_sta_set_buffered()
1668 	sta_info_recalc_tim(sta);  in ieee80211_sta_set_buffered()
1672 int sta_info_move_state(struct sta_info *sta,  in sta_info_move_state()  argument
1677 	if (sta->sta_state == new_state)  in sta_info_move_state()
1684 		if (sta->sta_state != IEEE80211_STA_AUTH)  in sta_info_move_state()
1688 		if (sta->sta_state != IEEE80211_STA_NONE &&  in sta_info_move_state()
1689 		    sta->sta_state != IEEE80211_STA_ASSOC)  in sta_info_move_state()
1693 		if (sta->sta_state != IEEE80211_STA_AUTH &&  in sta_info_move_state()
1694 		    sta->sta_state != IEEE80211_STA_AUTHORIZED)  in sta_info_move_state()
1698 		if (sta->sta_state != IEEE80211_STA_ASSOC)  in sta_info_move_state()
1706 	sta_dbg(sta->sdata, "moving STA %pM to state %d\n",  in sta_info_move_state()
1707 		sta->sta.addr, new_state);  in sta_info_move_state()
1713 	if (test_sta_flag(sta, WLAN_STA_INSERTED)) {  in sta_info_move_state()
1714 		int err = drv_sta_state(sta->local, sta->sdata, sta,  in sta_info_move_state()
1715 					sta->sta_state, new_state);  in sta_info_move_state()
1724 		if (sta->sta_state == IEEE80211_STA_AUTH)  in sta_info_move_state()
1725 			clear_bit(WLAN_STA_AUTH, &sta->_flags);  in sta_info_move_state()
1728 		if (sta->sta_state == IEEE80211_STA_NONE)  in sta_info_move_state()
1729 			set_bit(WLAN_STA_AUTH, &sta->_flags);  in sta_info_move_state()
1730 		else if (sta->sta_state == IEEE80211_STA_ASSOC)  in sta_info_move_state()
1731 			clear_bit(WLAN_STA_ASSOC, &sta->_flags);  in sta_info_move_state()
1734 		if (sta->sta_state == IEEE80211_STA_AUTH) {  in sta_info_move_state()
1735 			set_bit(WLAN_STA_ASSOC, &sta->_flags);  in sta_info_move_state()
1736 		} else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {  in sta_info_move_state()
1737 			if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in sta_info_move_state()
1738 			    (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in sta_info_move_state()
1739 			     !sta->sdata->u.vlan.sta))  in sta_info_move_state()
1740 				atomic_dec(&sta->sdata->bss->num_mcast_sta);  in sta_info_move_state()
1741 			clear_bit(WLAN_STA_AUTHORIZED, &sta->_flags);  in sta_info_move_state()
1745 		if (sta->sta_state == IEEE80211_STA_ASSOC) {  in sta_info_move_state()
1746 			if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in sta_info_move_state()
1747 			    (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in sta_info_move_state()
1748 			     !sta->sdata->u.vlan.sta))  in sta_info_move_state()
1749 				atomic_inc(&sta->sdata->bss->num_mcast_sta);  in sta_info_move_state()
1750 			set_bit(WLAN_STA_AUTHORIZED, &sta->_flags);  in sta_info_move_state()
1757 	sta->sta_state = new_state;  in sta_info_move_state()
1762 u8 sta_info_tx_streams(struct sta_info *sta)  in sta_info_tx_streams()  argument
1764 	struct ieee80211_sta_ht_cap *ht_cap = &sta->sta.ht_cap;  in sta_info_tx_streams()
1767 	if (!sta->sta.ht_cap.ht_supported)  in sta_info_tx_streams()
1770 	if (sta->sta.vht_cap.vht_supported) {  in sta_info_tx_streams()
1773 			le16_to_cpu(sta->sta.vht_cap.vht_mcs.tx_mcs_map);  in sta_info_tx_streams()
1797 void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)  in sta_set_sinfo()  argument
1799 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_set_sinfo()
1806 	if (test_sta_flag(sta, WLAN_STA_RATE_CONTROL))  in sta_set_sinfo()
1818 	drv_sta_statistics(local, sdata, &sta->sta, sinfo);  in sta_set_sinfo()
1828 	sinfo->connected_time = uptime.tv_sec - sta->last_connected;  in sta_set_sinfo()
1829 	sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);  in sta_set_sinfo()
1835 			sinfo->tx_bytes += sta->tx_bytes[ac];  in sta_set_sinfo()
1842 			sinfo->tx_packets += sta->tx_packets[ac];  in sta_set_sinfo()
1848 		sinfo->rx_bytes = sta->rx_bytes;  in sta_set_sinfo()
1853 		sinfo->rx_packets = sta->rx_packets;  in sta_set_sinfo()
1858 		sinfo->tx_retries = sta->tx_retry_count;  in sta_set_sinfo()
1863 		sinfo->tx_failed = sta->tx_retry_failed;  in sta_set_sinfo()
1867 	sinfo->rx_dropped_misc = sta->rx_dropped;  in sta_set_sinfo()
1868 	sinfo->beacon_loss_count = sta->beacon_loss_count;  in sta_set_sinfo()
1877 	if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||  in sta_set_sinfo()
1878 	    (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {  in sta_set_sinfo()
1880 			sinfo->signal = (s8)sta->last_signal;  in sta_set_sinfo()
1885 			sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);  in sta_set_sinfo()
1890 	if (sta->chains &&  in sta_set_sinfo()
1896 		sinfo->chains = sta->chains;  in sta_set_sinfo()
1898 			sinfo->chain_signal[i] = sta->chain_signal_last[i];  in sta_set_sinfo()
1900 				(s8) -ewma_read(&sta->chain_signal_avg[i]);  in sta_set_sinfo()
1905 		sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);  in sta_set_sinfo()
1910 		sta_set_rate_info_rx(sta, &sinfo->rxrate);  in sta_set_sinfo()
1920 			tidstats->rx_msdu = sta->rx_msdu[i];  in sta_set_sinfo()
1925 			tidstats->tx_msdu = sta->tx_msdu[i];  in sta_set_sinfo()
1933 			tidstats->tx_msdu_retries = sta->tx_msdu_retries[i];  in sta_set_sinfo()
1941 			tidstats->tx_msdu_failed = sta->tx_msdu_failed[i];  in sta_set_sinfo()
1954 		sinfo->llid = sta->llid;  in sta_set_sinfo()
1955 		sinfo->plid = sta->plid;  in sta_set_sinfo()
1956 		sinfo->plink_state = sta->plink_state;  in sta_set_sinfo()
1957 		if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {  in sta_set_sinfo()
1959 			sinfo->t_offset = sta->t_offset;  in sta_set_sinfo()
1961 		sinfo->local_pm = sta->local_pm;  in sta_set_sinfo()
1962 		sinfo->peer_pm = sta->peer_pm;  in sta_set_sinfo()
1963 		sinfo->nonpeer_pm = sta->nonpeer_pm;  in sta_set_sinfo()
1985 	if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))  in sta_set_sinfo()
1987 	if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))  in sta_set_sinfo()
1989 	if (sta->sta.wme)  in sta_set_sinfo()
1991 	if (test_sta_flag(sta, WLAN_STA_MFP))  in sta_set_sinfo()
1993 	if (test_sta_flag(sta, WLAN_STA_AUTH))  in sta_set_sinfo()
1995 	if (test_sta_flag(sta, WLAN_STA_ASSOC))  in sta_set_sinfo()
1997 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))  in sta_set_sinfo()
2002 		thr = ref->ops->get_expected_throughput(sta->rate_ctrl_priv);  in sta_set_sinfo()
2004 		thr = drv_get_expected_throughput(local, &sta->sta);  in sta_set_sinfo()