60 void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,  in ___ieee80211_stop_rx_ba_session()  argument
63 	struct ieee80211_local *local = sta->local;  in ___ieee80211_stop_rx_ba_session()
66 		.sta = &sta->sta,  in ___ieee80211_stop_rx_ba_session()
74 	lockdep_assert_held(&sta->ampdu_mlme.mtx);  in ___ieee80211_stop_rx_ba_session()
76 	tid_rx = rcu_dereference_protected(sta->ampdu_mlme.tid_rx[tid],  in ___ieee80211_stop_rx_ba_session()
77 					lockdep_is_held(&sta->ampdu_mlme.mtx));  in ___ieee80211_stop_rx_ba_session()
79 	if (!test_bit(tid, sta->ampdu_mlme.agg_session_valid))  in ___ieee80211_stop_rx_ba_session()
82 	RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], NULL);  in ___ieee80211_stop_rx_ba_session()
83 	__clear_bit(tid, sta->ampdu_mlme.agg_session_valid);  in ___ieee80211_stop_rx_ba_session()
85 	ht_dbg(sta->sdata,  in ___ieee80211_stop_rx_ba_session()
87 	       sta->sta.addr, tid,  in ___ieee80211_stop_rx_ba_session()
91 	if (drv_ampdu_action(local, sta->sdata, &params))  in ___ieee80211_stop_rx_ba_session()
92 		sdata_info(sta->sdata,  in ___ieee80211_stop_rx_ba_session()
94 			   sta->sta.addr, tid);  in ___ieee80211_stop_rx_ba_session()
98 		ieee80211_send_delba(sta->sdata, sta->sta.addr,  in ___ieee80211_stop_rx_ba_session()
119 void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,  in __ieee80211_stop_rx_ba_session()  argument
122 	mutex_lock(&sta->ampdu_mlme.mtx);  in __ieee80211_stop_rx_ba_session()
123 	___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason, tx);  in __ieee80211_stop_rx_ba_session()
124 	mutex_unlock(&sta->ampdu_mlme.mtx);  in __ieee80211_stop_rx_ba_session()
131 	struct sta_info *sta;  in ieee80211_stop_rx_ba_session()  local
135 	sta = sta_info_get_bss(sdata, addr);  in ieee80211_stop_rx_ba_session()
136 	if (!sta) {  in ieee80211_stop_rx_ba_session()
143 			set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);  in ieee80211_stop_rx_ba_session()
145 	ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);  in ieee80211_stop_rx_ba_session()
162 	struct sta_info *sta = container_of(timer_to_id, struct sta_info,  in sta_rx_agg_session_timer_expired()  local
168 	tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);  in sta_rx_agg_session_timer_expired()
182 	ht_dbg(sta->sdata, "RX session timer expired on %pM tid %d\n",  in sta_rx_agg_session_timer_expired()
183 	       sta->sta.addr, (u16)*ptid);  in sta_rx_agg_session_timer_expired()
185 	set_bit(*ptid, sta->ampdu_mlme.tid_rx_timer_expired);  in sta_rx_agg_session_timer_expired()
186 	ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);  in sta_rx_agg_session_timer_expired()
193 	struct sta_info *sta = container_of(timer_to_id, struct sta_info,  in sta_rx_agg_reorder_timer_expired()  local
197 	ieee80211_release_reorder_timeout(sta, *ptid);  in sta_rx_agg_reorder_timer_expired()
249 void __ieee80211_start_rx_ba_session(struct sta_info *sta,  in __ieee80211_start_rx_ba_session()  argument
254 	struct ieee80211_local *local = sta->sdata->local;  in __ieee80211_start_rx_ba_session()
257 		.sta = &sta->sta,  in __ieee80211_start_rx_ba_session()
268 		ht_dbg(sta->sdata,  in __ieee80211_start_rx_ba_session()
270 		       sta->sta.addr, tid);  in __ieee80211_start_rx_ba_session()
274 	if (!sta->sta.ht_cap.ht_supported) {  in __ieee80211_start_rx_ba_session()
275 		ht_dbg(sta->sdata,  in __ieee80211_start_rx_ba_session()
277 		       sta->sta.addr, tid);  in __ieee80211_start_rx_ba_session()
282 	if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {  in __ieee80211_start_rx_ba_session()
283 		ht_dbg(sta->sdata,  in __ieee80211_start_rx_ba_session()
285 		       sta->sta.addr, tid);  in __ieee80211_start_rx_ba_session()
294 	     (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA))) ||  in __ieee80211_start_rx_ba_session()
297 		ht_dbg_ratelimited(sta->sdata,  in __ieee80211_start_rx_ba_session()
299 				   sta->sta.addr, tid, ba_policy, buf_size);  in __ieee80211_start_rx_ba_session()
307 	if (buf_size > sta->sta.max_rx_aggregation_subframes)  in __ieee80211_start_rx_ba_session()
308 		buf_size = sta->sta.max_rx_aggregation_subframes;  in __ieee80211_start_rx_ba_session()
311 	ht_dbg(sta->sdata, "AddBA Req buf_size=%d for %pM\n",  in __ieee80211_start_rx_ba_session()
312 	       buf_size, sta->sta.addr);  in __ieee80211_start_rx_ba_session()
315 	mutex_lock(&sta->ampdu_mlme.mtx);  in __ieee80211_start_rx_ba_session()
317 	if (test_bit(tid, sta->ampdu_mlme.agg_session_valid)) {  in __ieee80211_start_rx_ba_session()
318 		if (sta->ampdu_mlme.tid_rx_token[tid] == dialog_token) {  in __ieee80211_start_rx_ba_session()
319 			ht_dbg_ratelimited(sta->sdata,  in __ieee80211_start_rx_ba_session()
321 					   sta->sta.addr, tid);  in __ieee80211_start_rx_ba_session()
326 			ieee80211_send_addba_resp(sta->sdata, sta->sta.addr,  in __ieee80211_start_rx_ba_session()
332 		ht_dbg_ratelimited(sta->sdata,  in __ieee80211_start_rx_ba_session()
334 				   sta->sta.addr, tid);  in __ieee80211_start_rx_ba_session()
337 		___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,  in __ieee80211_start_rx_ba_session()
343 		ret = drv_ampdu_action(local, sta->sdata, &params);  in __ieee80211_start_rx_ba_session()
344 		ht_dbg(sta->sdata,  in __ieee80211_start_rx_ba_session()
346 		       sta->sta.addr, tid, ret);  in __ieee80211_start_rx_ba_session()
361 	tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];  in __ieee80211_start_rx_ba_session()
366 	tid_agg_rx->reorder_timer.data = (unsigned long)&sta->timer_to_tid[tid];  in __ieee80211_start_rx_ba_session()
384 	ret = drv_ampdu_action(local, sta->sdata, &params);  in __ieee80211_start_rx_ba_session()
385 	ht_dbg(sta->sdata, "Rx A-MPDU request on %pM tid %d result %d\n",  in __ieee80211_start_rx_ba_session()
386 	       sta->sta.addr, tid, ret);  in __ieee80211_start_rx_ba_session()
406 	rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);  in __ieee80211_start_rx_ba_session()
415 		__set_bit(tid, sta->ampdu_mlme.agg_session_valid);  in __ieee80211_start_rx_ba_session()
416 		__clear_bit(tid, sta->ampdu_mlme.unexpected_agg);  in __ieee80211_start_rx_ba_session()
417 		sta->ampdu_mlme.tid_rx_token[tid] = dialog_token;  in __ieee80211_start_rx_ba_session()
419 	mutex_unlock(&sta->ampdu_mlme.mtx);  in __ieee80211_start_rx_ba_session()
423 		ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,  in __ieee80211_start_rx_ba_session()
429 				     struct sta_info *sta,  in ieee80211_process_addba_request()  argument
447 	__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,  in ieee80211_process_addba_request()