61 static void ieee80211_send_addba_request(struct sta_info *sta, u16 tid,  in ieee80211_send_addba_request()  argument
65 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_send_addba_request()
78 	mgmt = ieee80211_mgmt_ba(skb, sta->sta.addr, sdata);  in ieee80211_send_addba_request()
97 	if (sta->sta.deflink.he_cap.has_he)  in ieee80211_send_addba_request()
133 void ieee80211_assign_tid_tx(struct sta_info *sta, int tid,  in ieee80211_assign_tid_tx()  argument
136 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_assign_tid_tx()
137 	lockdep_assert_held(&sta->lock);  in ieee80211_assign_tid_tx()
138 	rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx);  in ieee80211_assign_tid_tx()
181 ieee80211_agg_stop_txq(struct sta_info *sta, int tid)  in ieee80211_agg_stop_txq()  argument
183 	struct ieee80211_txq *txq = sta->sta.txq[tid];  in ieee80211_agg_stop_txq()
202 ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable)  in ieee80211_agg_start_txq()  argument
204 	struct ieee80211_txq *txq = sta->sta.txq[tid];  in ieee80211_agg_start_txq()
207 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_agg_start_txq()
222 	schedule_and_wake_txq(sta->sdata->local, txqi);  in ieee80211_agg_start_txq()
261 static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid)  in ieee80211_remove_tid_tx()  argument
265 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_remove_tid_tx()
266 	lockdep_assert_held(&sta->lock);  in ieee80211_remove_tid_tx()
268 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_remove_tid_tx()
280 	ieee80211_agg_splice_packets(sta->sdata, tid_tx, tid);  in ieee80211_remove_tid_tx()
283 	ieee80211_assign_tid_tx(sta, tid, NULL);  in ieee80211_remove_tid_tx()
285 	ieee80211_agg_splice_finish(sta->sdata, tid);  in ieee80211_remove_tid_tx()
290 int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,  in __ieee80211_stop_tx_ba_session()  argument
293 	struct ieee80211_local *local = sta->local;  in __ieee80211_stop_tx_ba_session()
296 		.sta = &sta->sta,  in __ieee80211_stop_tx_ba_session()
305 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in __ieee80211_stop_tx_ba_session()
321 	spin_lock_bh(&sta->lock);  in __ieee80211_stop_tx_ba_session()
324 	tid_tx = sta->ampdu_mlme.tid_start_tx[tid];  in __ieee80211_stop_tx_ba_session()
326 	sta->ampdu_mlme.tid_start_tx[tid] = NULL;  in __ieee80211_stop_tx_ba_session()
328 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in __ieee80211_stop_tx_ba_session()
330 		spin_unlock_bh(&sta->lock);  in __ieee80211_stop_tx_ba_session()
339 		spin_unlock_bh(&sta->lock);  in __ieee80211_stop_tx_ba_session()
343 		ret = drv_ampdu_action(local, sta->sdata, &params);  in __ieee80211_stop_tx_ba_session()
350 		ieee80211_assign_tid_tx(sta, tid, NULL);  in __ieee80211_stop_tx_ba_session()
351 		spin_unlock_bh(&sta->lock);  in __ieee80211_stop_tx_ba_session()
358 	ieee80211_agg_stop_txq(sta, tid);  in __ieee80211_stop_tx_ba_session()
360 	spin_unlock_bh(&sta->lock);  in __ieee80211_stop_tx_ba_session()
362 	ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",  in __ieee80211_stop_tx_ba_session()
363 	       sta->sta.addr, tid);  in __ieee80211_stop_tx_ba_session()
395 	ret = drv_ampdu_action(local, sta->sdata, &params);  in __ieee80211_stop_tx_ba_session()
426 	struct sta_info *sta = tid_tx->sta;  in sta_addba_resp_timer_expired()  local
431 		ht_dbg(sta->sdata,  in sta_addba_resp_timer_expired()
433 		       sta->sta.addr, tid);  in sta_addba_resp_timer_expired()
437 	ht_dbg(sta->sdata, "addBA response timer expired on %pM tid %d\n",  in sta_addba_resp_timer_expired()
438 	       sta->sta.addr, tid);  in sta_addba_resp_timer_expired()
440 	ieee80211_stop_tx_ba_session(&sta->sta, tid);  in sta_addba_resp_timer_expired()
443 static void ieee80211_send_addba_with_timeout(struct sta_info *sta,  in ieee80211_send_addba_with_timeout()  argument
446 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_send_addba_with_timeout()
447 	struct ieee80211_local *local = sta->local;  in ieee80211_send_addba_with_timeout()
455 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_send_addba_with_timeout()
460 	       sta->sta.addr, tid);  in ieee80211_send_addba_with_timeout()
462 	spin_lock_bh(&sta->lock);  in ieee80211_send_addba_with_timeout()
463 	sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;  in ieee80211_send_addba_with_timeout()
464 	sta->ampdu_mlme.addba_req_num[tid]++;  in ieee80211_send_addba_with_timeout()
465 	spin_unlock_bh(&sta->lock);  in ieee80211_send_addba_with_timeout()
467 	if (sta->sta.deflink.eht_cap.has_eht) {  in ieee80211_send_addba_with_timeout()
469 	} else if (sta->sta.deflink.he_cap.has_he) {  in ieee80211_send_addba_with_timeout()
483 	ieee80211_send_addba_request(sta, tid, tid_tx->dialog_token,  in ieee80211_send_addba_with_timeout()
489 void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)  in ieee80211_tx_ba_session_handle_start()  argument
492 	struct ieee80211_local *local = sta->local;  in ieee80211_tx_ba_session_handle_start()
493 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_tx_ba_session_handle_start()
495 		.sta = &sta->sta,  in ieee80211_tx_ba_session_handle_start()
504 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_tx_ba_session_handle_start()
521 	params.ssn = sta->tid_seq[tid] >> 4;  in ieee80211_tx_ba_session_handle_start()
536 		       sta->sta.addr, tid);  in ieee80211_tx_ba_session_handle_start()
537 		spin_lock_bh(&sta->lock);  in ieee80211_tx_ba_session_handle_start()
539 		ieee80211_assign_tid_tx(sta, tid, NULL);  in ieee80211_tx_ba_session_handle_start()
541 		spin_unlock_bh(&sta->lock);  in ieee80211_tx_ba_session_handle_start()
543 		ieee80211_agg_start_txq(sta, tid, false);  in ieee80211_tx_ba_session_handle_start()
549 	ieee80211_send_addba_with_timeout(sta, tid_tx);  in ieee80211_tx_ba_session_handle_start()
555 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_refresh_tx_agg_session_timer()  local
561 	tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);  in ieee80211_refresh_tx_agg_session_timer()
576 	struct sta_info *sta = tid_tx->sta;  in sta_tx_agg_session_timer_expired()  local
590 	ht_dbg(sta->sdata, "tx session timer expired on %pM tid %d\n",  in sta_tx_agg_session_timer_expired()
591 	       sta->sta.addr, tid);  in sta_tx_agg_session_timer_expired()
593 	ieee80211_stop_tx_ba_session(&sta->sta, tid);  in sta_tx_agg_session_timer_expired()
599 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_start_tx_ba_session()  local
600 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_start_tx_ba_session()
607 	if (WARN(sta->reserved_tid == tid,  in ieee80211_start_tx_ba_session()
638 	if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {  in ieee80211_start_tx_ba_session()
641 		       sta->sta.addr, tid);  in ieee80211_start_tx_ba_session()
645 	if (test_sta_flag(sta, WLAN_STA_MFP) &&  in ieee80211_start_tx_ba_session()
646 	    !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {  in ieee80211_start_tx_ba_session()
649 		       sta->sta.addr, tid);  in ieee80211_start_tx_ba_session()
665 	if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC &&  in ieee80211_start_tx_ba_session()
666 	    !sta->sta.deflink.ht_cap.ht_supported) {  in ieee80211_start_tx_ba_session()
673 	spin_lock_bh(&sta->lock);  in ieee80211_start_tx_ba_session()
676 	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {  in ieee80211_start_tx_ba_session()
686 	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_BURST_RETRIES &&  in ieee80211_start_tx_ba_session()
687 	    time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] +  in ieee80211_start_tx_ba_session()
691 		       sta->ampdu_mlme.addba_req_num[tid], sta->sta.addr, tid);  in ieee80211_start_tx_ba_session()
696 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_start_tx_ba_session()
698 	if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) {  in ieee80211_start_tx_ba_session()
701 		       sta->sta.addr, tid);  in ieee80211_start_tx_ba_session()
717 	tid_tx->sta = sta;  in ieee80211_start_tx_ba_session()
728 	sta->ampdu_mlme.dialog_token_allocator++;  in ieee80211_start_tx_ba_session()
729 	tid_tx->dialog_token = sta->ampdu_mlme.dialog_token_allocator;  in ieee80211_start_tx_ba_session()
735 	sta->ampdu_mlme.tid_start_tx[tid] = tid_tx;  in ieee80211_start_tx_ba_session()
737 	wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);  in ieee80211_start_tx_ba_session()
741 	spin_unlock_bh(&sta->lock);  in ieee80211_start_tx_ba_session()
747 					 struct sta_info *sta, u16 tid)  in ieee80211_agg_tx_operational()  argument
751 		.sta = &sta->sta,  in ieee80211_agg_tx_operational()
758 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_agg_tx_operational()
760 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_agg_tx_operational()
764 	ht_dbg(sta->sdata, "Aggregation is on for %pM tid %d\n",  in ieee80211_agg_tx_operational()
765 	       sta->sta.addr, tid);  in ieee80211_agg_tx_operational()
767 	drv_ampdu_action(local, sta->sdata, &params);  in ieee80211_agg_tx_operational()
773 	spin_lock_bh(&sta->lock);  in ieee80211_agg_tx_operational()
775 	ieee80211_agg_splice_packets(sta->sdata, tid_tx, tid);  in ieee80211_agg_tx_operational()
782 	ieee80211_agg_splice_finish(sta->sdata, tid);  in ieee80211_agg_tx_operational()
784 	spin_unlock_bh(&sta->lock);  in ieee80211_agg_tx_operational()
786 	ieee80211_agg_start_txq(sta, tid, true);  in ieee80211_agg_tx_operational()
789 void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,  in ieee80211_start_tx_ba_cb()  argument
792 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_start_tx_ba_cb()
795 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_start_tx_ba_cb()
805 		ieee80211_send_addba_with_timeout(sta, tid_tx);  in ieee80211_start_tx_ba_cb()
811 		ieee80211_agg_tx_operational(local, sta, tid);  in ieee80211_start_tx_ba_cb()
816 			const u8 *ra, u16 tid, struct sta_info **sta)  in ieee80211_lookup_tid_tx()  argument
826 	*sta = sta_info_get_bss(sdata, ra);  in ieee80211_lookup_tid_tx()
827 	if (!*sta) {  in ieee80211_lookup_tid_tx()
832 	tid_tx = rcu_dereference((*sta)->ampdu_mlme.tid_tx[tid]);  in ieee80211_lookup_tid_tx()
845 	struct sta_info *sta;  in ieee80211_start_tx_ba_cb_irqsafe()  local
851 	tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta);  in ieee80211_start_tx_ba_cb_irqsafe()
856 	wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);  in ieee80211_start_tx_ba_cb_irqsafe()
864 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_stop_tx_ba_session()  local
865 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_stop_tx_ba_session()
878 	spin_lock_bh(&sta->lock);  in ieee80211_stop_tx_ba_session()
879 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_stop_tx_ba_session()
886 	WARN(sta->reserved_tid == tid,  in ieee80211_stop_tx_ba_session()
896 	wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);  in ieee80211_stop_tx_ba_session()
899 	spin_unlock_bh(&sta->lock);  in ieee80211_stop_tx_ba_session()
904 void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,  in ieee80211_stop_tx_ba_cb()  argument
907 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_stop_tx_ba_cb()
912 	       sta->sta.addr, tid);  in ieee80211_stop_tx_ba_cb()
914 	spin_lock_bh(&sta->lock);  in ieee80211_stop_tx_ba_cb()
919 		       sta->sta.addr, tid);  in ieee80211_stop_tx_ba_cb()
926 	ieee80211_remove_tid_tx(sta, tid);  in ieee80211_stop_tx_ba_cb()
930 	spin_unlock_bh(&sta->lock);  in ieee80211_stop_tx_ba_cb()
933 		ieee80211_agg_start_txq(sta, tid, false);  in ieee80211_stop_tx_ba_cb()
936 		ieee80211_send_delba(sdata, sta->sta.addr, tid,  in ieee80211_stop_tx_ba_cb()
945 	struct sta_info *sta;  in ieee80211_stop_tx_ba_cb_irqsafe()  local
951 	tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta);  in ieee80211_stop_tx_ba_cb_irqsafe()
956 	wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);  in ieee80211_stop_tx_ba_cb_irqsafe()
964 				  struct sta_info *sta,  in ieee80211_process_addba_resp()  argument
973 	lockdep_assert_wiphy(sta->local->hw.wiphy);  in ieee80211_process_addba_resp()
980 	ieee80211_retrieve_addba_ext_data(sta,  in ieee80211_process_addba_resp()
988 	txq = sta->sta.txq[tid];  in ieee80211_process_addba_resp()
992 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);  in ieee80211_process_addba_resp()
997 		ht_dbg(sta->sdata, "wrong addBA response token, %pM tid %d\n",  in ieee80211_process_addba_resp()
998 		       sta->sta.addr, tid);  in ieee80211_process_addba_resp()
1004 	ht_dbg(sta->sdata, "switched off addBA timer for %pM tid %d\n",  in ieee80211_process_addba_resp()
1005 	       sta->sta.addr, tid);  in ieee80211_process_addba_resp()
1014 		ht_dbg(sta->sdata,  in ieee80211_process_addba_resp()
1016 		       sta->sta.addr, tid);  in ieee80211_process_addba_resp()
1038 			ieee80211_agg_tx_operational(local, sta, tid);  in ieee80211_process_addba_resp()
1040 		sta->ampdu_mlme.addba_req_num[tid] = 0;  in ieee80211_process_addba_resp()
1052 		__ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_DECLINED);  in ieee80211_process_addba_resp()