net/mac80211/agg-rx.c

58 void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
66 		.tid = tid,
74 	tid_rx = rcu_dereference_protected(sta->ampdu_mlme.tid_rx[tid],
77 	if (!test_bit(tid, sta->ampdu_mlme.agg_session_valid))
80 	RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], NULL);
81 	__clear_bit(tid, sta->ampdu_mlme.agg_session_valid);
84 	       "Rx BA session stop requested for %pM tid %u %s reason: %d\n",
85 	       sta->sta.addr, tid,
91 			   "HW problem - can not stop rx aggregation for %pM tid %d\n",
92 			   sta->sta.addr, tid);
97 				     tid, WLAN_BACK_RECIPIENT, reason);
148 	u8 tid = tid_rx->tid;
157 	ht_dbg(sta->sdata, "RX session timer expired on %pM tid %d\n",
158 	       sta->sta.addr, tid);
160 	set_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired);
169 	ieee80211_release_reorder_timeout(tid_rx->sta, tid_rx->tid);
191 static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
232 	capab |= u16_encode_bits(tid, IEEE80211_ADDBA_PARAM_TID_MASK);
247 				     u16 start_seq_num, u16 ba_policy, u16 tid,
256 		.tid = tid,
267 	if (tid >= IEEE80211_FIRST_TSPEC_TSID) {
269 		       "STA %pM requests BA session on unsupported tid %d\n",
270 		       sta->sta.addr, tid);
277 		       "STA %pM erroneously requests BA session on tid %d w/o HT\n",
278 		       sta->sta.addr, tid);
285 		       "Suspend in progress - Denying ADDBA request (%pM tid %d)\n",
286 		       sta->sta.addr, tid);
306 				   "AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n",
307 				   sta->sta.addr, tid, ba_policy, buf_size);
322 	if (test_bit(tid, sta->ampdu_mlme.agg_session_valid)) {
323 		if (sta->ampdu_mlme.tid_rx_token[tid] == dialog_token) {
327 					   "updated AddBA Req from %pM on tid %u\n",
328 					   sta->sta.addr, tid);
335 			tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);
345 				   "unexpected AddBA Req from %pM on tid %u\n",
346 				   sta->sta.addr, tid);
348 		/* delete existing Rx BA session on the same tid */
349 		__ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
357 		       "Rx A-MPDU request on %pM tid %d result %d\n",
358 		       sta->sta.addr, tid, ret);
395 	ht_dbg(sta->sdata, "Rx A-MPDU request on %pM tid %d result %d\n",
396 	       sta->sta.addr, tid, ret);
413 	tid_agg_rx->tid = tid;
418 	rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);
427 		__set_bit(tid, sta->ampdu_mlme.agg_session_valid);
428 		__clear_bit(tid, sta->ampdu_mlme.unexpected_agg);
429 		sta->ampdu_mlme.tid_rx_token[tid] = dialog_token;
433 		ieee80211_send_addba_resp(sta, sta->sta.addr, tid,
443 	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
456 	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
476 					start_seq_num, ba_policy, tid,
484 				 const u8 *addr, unsigned int tid)
494 	set_bit(tid, sta->ampdu_mlme.tid_rx_manage_offl);
502 				   const u8 *addr, unsigned int tid)
512 	set_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired);