77 static int sta_info_hash_del(struct ieee80211_local *local,  in sta_info_hash_del()  argument
80 	return rhashtable_remove_fast(&local->sta_hash, &sta->hash_node,  in sta_info_hash_del()
89 	struct ieee80211_local *local = sdata->local;  in __cleanup_single_sta()  local
115 			ieee80211_purge_tx_queue(&local->hw, &txqi->queue);  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()
142 		ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);  in __cleanup_single_sta()
150 	struct ieee80211_local *local = sdata->local;  in cleanup_single_sta()  local
153 	sta_info_free(local, sta);  in cleanup_single_sta()
160 	struct ieee80211_local *local = sdata->local;  in sta_info_get()  local
166 	tbl = rht_dereference_rcu(local->sta_hash.tbl, &local->sta_hash);  in sta_info_get()
168 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in sta_info_get()
188 	struct ieee80211_local *local = sdata->local;  in sta_info_get_bss()  local
194 	tbl = rht_dereference_rcu(local->sta_hash.tbl, &local->sta_hash);  in sta_info_get_bss()
196 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in sta_info_get_bss()
213 	struct ieee80211_local *local = sdata->local;  in sta_info_get_by_idx()  local
217 	list_for_each_entry_rcu(sta, &local->sta_list, list) {  in sta_info_get_by_idx()
241 void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)  in sta_info_free()  argument
255 static int sta_info_hash_add(struct ieee80211_local *local,  in sta_info_hash_add()  argument
258 	return rhashtable_insert_fast(&local->sta_hash, &sta->hash_node,  in sta_info_hash_add()
281 static int sta_prepare_rate_control(struct ieee80211_local *local,  in sta_prepare_rate_control()  argument
284 	if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)  in sta_prepare_rate_control()
287 	sta->rate_ctrl = local->rate_ctrl;  in sta_prepare_rate_control()
299 	struct ieee80211_local *local = sdata->local;  in sta_info_alloc()  local
300 	struct ieee80211_hw *hw = &local->hw;  in sta_info_alloc()
322 	sta->local = local;  in sta_info_alloc()
337 	if (local->ops->wake_tx_queue) {  in sta_info_alloc()
353 	if (sta_prepare_rate_control(local, sta, gfp))  in sta_info_alloc()
429 static int sta_info_insert_drv_state(struct ieee80211_local *local,  in sta_info_insert_drv_state()  argument
437 		err = drv_sta_state(local, sdata, sta, state, state + 1);  in sta_info_insert_drv_state()
447 		if (!local->ops->sta_add)  in sta_info_insert_drv_state()
461 		WARN_ON(drv_sta_state(local, sdata, sta, state, state - 1));  in sta_info_insert_drv_state()
473 	struct ieee80211_local *local = sta->local;  in sta_info_insert_finish()  local
478 	lockdep_assert_held(&local->sta_mtx);  in sta_info_insert_finish()
486 	local->num_sta++;  in sta_info_insert_finish()
487 	local->sta_generation++;  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()
515 	sinfo.generation = local->sta_generation;  in sta_info_insert_finish()
522 	mutex_unlock(&local->sta_mtx);  in sta_info_insert_finish()
529 	sta_info_hash_del(local, sta);  in sta_info_insert_finish()
532 	local->num_sta--;  in sta_info_insert_finish()
536 	mutex_unlock(&local->sta_mtx);  in sta_info_insert_finish()
543 	struct ieee80211_local *local = sta->local;  in sta_info_insert_rcu()  local
554 	mutex_lock(&local->sta_mtx);  in sta_info_insert_rcu()
562 	sta_info_free(local, sta);  in sta_info_insert_rcu()
622 	struct ieee80211_local *local = sta->local;  in __sta_info_recalc_tim()  local
647 	if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)  in __sta_info_recalc_tim()
685 	spin_lock_bh(&local->tim_lock);  in __sta_info_recalc_tim()
695 	if (local->ops->set_tim && !WARN_ON(sta->dead)) {  in __sta_info_recalc_tim()
696 		local->tim_in_locked_section = true;  in __sta_info_recalc_tim()
697 		drv_set_tim(local, &sta->sta, indicate_tim);  in __sta_info_recalc_tim()
698 		local->tim_in_locked_section = false;  in __sta_info_recalc_tim()
702 	spin_unlock_bh(&local->tim_lock);  in __sta_info_recalc_tim()
730 static bool sta_info_cleanup_expire_buffered_ac(struct ieee80211_local *local,  in sta_info_cleanup_expire_buffered_ac()  argument
760 		ieee80211_free_txskb(&local->hw, skb);  in sta_info_cleanup_expire_buffered_ac()
786 		local->total_ps_buffered--;  in sta_info_cleanup_expire_buffered_ac()
789 		ieee80211_free_txskb(&local->hw, skb);  in sta_info_cleanup_expire_buffered_ac()
808 static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local,  in sta_info_cleanup_expire_buffered()  argument
821 			sta_info_cleanup_expire_buffered_ac(local, sta, ac);  in sta_info_cleanup_expire_buffered()
828 	struct ieee80211_local *local;  in __sta_info_destroy_part1()  local
837 	local = sta->local;  in __sta_info_destroy_part1()
840 	lockdep_assert_held(&local->sta_mtx);  in __sta_info_destroy_part1()
851 	ret = sta_info_hash_del(local, sta);  in __sta_info_destroy_part1()
860 		drv_tdls_cancel_channel_switch(local, sdata, &sta->sta);  in __sta_info_destroy_part1()
866 	drv_sta_pre_rcu_remove(local, sta->sdata, sta);  in __sta_info_destroy_part1()
877 	struct ieee80211_local *local = sta->local;  in __sta_info_destroy_part2()  local
888 	lockdep_assert_held(&local->sta_mtx);  in __sta_info_destroy_part2()
891 	ieee80211_free_sta_keys(local, sta);  in __sta_info_destroy_part2()
898 	local->num_sta--;  in __sta_info_destroy_part2()
899 	local->sta_generation++;  in __sta_info_destroy_part2()
910 		ret = drv_sta_state(local, sdata, sta, IEEE80211_STA_NONE,  in __sta_info_destroy_part2()
946 	mutex_lock(&sdata->local->sta_mtx);  in sta_info_destroy_addr()
949 	mutex_unlock(&sdata->local->sta_mtx);  in sta_info_destroy_addr()
960 	mutex_lock(&sdata->local->sta_mtx);  in sta_info_destroy_addr_bss()
963 	mutex_unlock(&sdata->local->sta_mtx);  in sta_info_destroy_addr_bss()
970 	struct ieee80211_local *local = (struct ieee80211_local *) data;  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()
980 	if (local->quiescing)  in sta_info_cleanup()
986 	mod_timer(&local->sta_cleanup,  in sta_info_cleanup()
995 int sta_info_init(struct ieee80211_local *local)  in sta_info_init()  argument
999 	err = rhashtable_init(&local->sta_hash, &sta_rht_params);  in sta_info_init()
1003 	spin_lock_init(&local->tim_lock);  in sta_info_init()
1004 	mutex_init(&local->sta_mtx);  in sta_info_init()
1005 	INIT_LIST_HEAD(&local->sta_list);  in sta_info_init()
1007 	setup_timer(&local->sta_cleanup, sta_info_cleanup,  in sta_info_init()
1008 		    (unsigned long)local);  in sta_info_init()
1012 void sta_info_stop(struct ieee80211_local *local)  in sta_info_stop()  argument
1014 	del_timer_sync(&local->sta_cleanup);  in sta_info_stop()
1015 	rhashtable_destroy(&local->sta_hash);  in sta_info_stop()
1021 	struct ieee80211_local *local = sdata->local;  in __sta_info_flush()  local
1031 	mutex_lock(&local->sta_mtx);  in __sta_info_flush()
1032 	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {  in __sta_info_flush()
1046 	mutex_unlock(&local->sta_mtx);  in __sta_info_flush()
1054 	struct ieee80211_local *local = sdata->local;  in ieee80211_sta_expire()  local
1057 	mutex_lock(&local->sta_mtx);  in ieee80211_sta_expire()
1059 	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {  in ieee80211_sta_expire()
1075 	mutex_unlock(&local->sta_mtx);  in ieee80211_sta_expire()
1082 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_find_sta_by_ifaddr()  local
1087 	tbl = rht_dereference_rcu(local->sta_hash.tbl, &local->sta_hash);  in ieee80211_find_sta_by_ifaddr()
1093 	for_each_sta_info(local, tbl, addr, sta, tmp) {  in ieee80211_find_sta_by_ifaddr()
1129 	struct ieee80211_local *local = sdata->local;  in ieee80211_sta_ps_deliver_wakeup()  local
1152 	if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))  in ieee80211_sta_ps_deliver_wakeup()
1153 		drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);  in ieee80211_sta_ps_deliver_wakeup()
1162 			drv_wake_tx_queue(local, txqi);  in ieee80211_sta_ps_deliver_wakeup()
1188 	ieee80211_add_pending_skbs(local, &pending);  in ieee80211_sta_ps_deliver_wakeup()
1216 	local->total_ps_buffered -= buffered;  in ieee80211_sta_ps_deliver_wakeup()
1230 	struct ieee80211_local *local = sdata->local;  in ieee80211_send_null_response()  local
1250 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);  in ieee80211_send_null_response()
1254 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_send_null_response()
1289 		drv_allow_buffered_frames(local, sta, BIT(tid), 1,  in ieee80211_send_null_response()
1324 	struct ieee80211_local *local = sdata->local;  in ieee80211_sta_ps_deliver_response()  local
1375 						local->total_ps_buffered--;  in ieee80211_sta_ps_deliver_response()
1509 		drv_allow_buffered_frames(local, sta, tids, num,  in ieee80211_sta_ps_deliver_response()
1512 		ieee80211_add_pending_skbs(local, &pending);  in ieee80211_sta_ps_deliver_response()
1534 		drv_release_buffered_frames(local, sta, driver_release_tids,  in ieee80211_sta_ps_deliver_response()
1617 	trace_api_sta_block_awake(sta->local, pubsta, block);  in ieee80211_sta_block_awake()
1645 	struct ieee80211_local *local = sta->local;  in ieee80211_sta_eosp()  local
1647 	trace_api_eosp(local, pubsta);  in ieee80211_sta_eosp()
1661 	trace_api_sta_set_buffered(sta->local, pubsta, tid, buffered);  in ieee80211_sta_set_buffered()
1714 		int err = drv_sta_state(sta->local, sta->sdata, sta,  in sta_info_move_state()
1800 	struct ieee80211_local *local = sdata->local;  in sta_set_sinfo()  local
1807 		ref = local->rate_ctrl;  in sta_set_sinfo()
1809 	sinfo->generation = sdata->local->sta_generation;  in sta_set_sinfo()
1818 	drv_sta_statistics(local, sdata, &sta->sta, sinfo);  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()
1930 		    local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {  in sta_set_sinfo()
1938 		    local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {  in sta_set_sinfo()
2004 		thr = drv_get_expected_throughput(local, &sta->sta);  in sta_set_sinfo()