Lines Matching +full:local +full:- +full:timer +full:- +full:stop
1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright 2002-2005, Instant802 Networks, Inc.
7 * Copyright 2005-2006, Devicescape Software, Inc.
8 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
10 * Copyright 2007-2010, Intel Corporation
11 * Copyright(c) 2015-2017 Intel Deutschland GmbH
12 * Copyright (C) 2018 - 2023 Intel Corporation
20 #include "driver-ops.h"
24 * DOC: TX A-MPDU aggregation
28 * packets with a flag indicating A-MPDU aggregation. The driver
66 struct ieee80211_local *local = sdata->local; in ieee80211_send_addba_request() local
71 skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom); in ieee80211_send_addba_request()
76 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_addba_request()
79 skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req)); in ieee80211_send_addba_request()
81 mgmt->u.action.category = WLAN_CATEGORY_BACK; in ieee80211_send_addba_request()
82 mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ; in ieee80211_send_addba_request()
84 mgmt->u.action.u.addba_req.dialog_token = dialog_token; in ieee80211_send_addba_request()
90 mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab); in ieee80211_send_addba_request()
92 mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout); in ieee80211_send_addba_request()
93 mgmt->u.action.u.addba_req.start_seq_num = in ieee80211_send_addba_request()
96 ieee80211_tx_skb_tid(sdata, skb, tid, -1); in ieee80211_send_addba_request()
102 struct ieee80211_local *local = sdata->local; in ieee80211_send_bar() local
107 skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom); in ieee80211_send_bar()
111 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_bar()
113 bar->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | in ieee80211_send_bar()
115 memcpy(bar->ra, ra, ETH_ALEN); in ieee80211_send_bar()
116 memcpy(bar->ta, sdata->vif.addr, ETH_ALEN); in ieee80211_send_bar()
120 bar->control = cpu_to_le16(bar_control); in ieee80211_send_bar()
121 bar->start_seq_num = cpu_to_le16(ssn); in ieee80211_send_bar()
123 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | in ieee80211_send_bar()
125 ieee80211_tx_skb_tid(sdata, skb, tid, -1); in ieee80211_send_bar()
132 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_assign_tid_tx()
133 lockdep_assert_held(&sta->lock); in ieee80211_assign_tid_tx()
134 rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx); in ieee80211_assign_tid_tx()
140 * refcount the global queue stop caused by that in order
142 * setup or teardown re-enables queues before the other is
151 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __acquires()
155 if (atomic_inc_return(&sdata->local->agg_queue_stop[queue]) == 1) in __acquires()
157 &sdata->local->hw, queue, in __acquires()
166 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __releases()
168 if (atomic_dec_return(&sdata->local->agg_queue_stop[queue]) == 0) in __releases()
170 &sdata->local->hw, queue, in __releases()
179 struct ieee80211_txq *txq = sta->sta.txq[tid]; in ieee80211_agg_stop_txq()
188 sdata = vif_to_sdata(txq->vif); in ieee80211_agg_stop_txq()
189 fq = &sdata->local->fq; in ieee80211_agg_stop_txq()
192 spin_lock_bh(&fq->lock); in ieee80211_agg_stop_txq()
193 set_bit(IEEE80211_TXQ_STOP, &txqi->flags); in ieee80211_agg_stop_txq()
194 spin_unlock_bh(&fq->lock); in ieee80211_agg_stop_txq()
200 struct ieee80211_txq *txq = sta->sta.txq[tid]; in ieee80211_agg_start_txq()
203 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_agg_start_txq()
211 set_bit(IEEE80211_TXQ_AMPDU, &txqi->flags); in ieee80211_agg_start_txq()
213 clear_bit(IEEE80211_TXQ_AMPDU, &txqi->flags); in ieee80211_agg_start_txq()
215 clear_bit(IEEE80211_TXQ_STOP, &txqi->flags); in ieee80211_agg_start_txq()
218 schedule_and_wake_txq(sta->sdata->local, txqi); in ieee80211_agg_start_txq()
224 * splice packets from the STA's pending to the local pending,
231 struct ieee80211_local *local = sdata->local; in __acquires() local
232 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __acquires()
242 if (!skb_queue_empty(&tid_tx->pending)) { in __acquires()
243 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); in __acquires()
245 skb_queue_splice_tail_init(&tid_tx->pending, in __acquires()
246 &local->pending[queue]); in __acquires()
247 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); in __acquires()
261 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_remove_tid_tx()
262 lockdep_assert_held(&sta->lock); in ieee80211_remove_tid_tx()
270 * stop the queue now, we will not get any more packets, and any in ieee80211_remove_tid_tx()
276 ieee80211_agg_splice_packets(sta->sdata, tid_tx, tid); in ieee80211_remove_tid_tx()
281 ieee80211_agg_splice_finish(sta->sdata, tid); in ieee80211_remove_tid_tx()
289 struct ieee80211_local *local = sta->local; in __ieee80211_stop_tx_ba_session() local
292 .sta = &sta->sta, in __ieee80211_stop_tx_ba_session()
301 lockdep_assert_wiphy(sta->local->hw.wiphy); in __ieee80211_stop_tx_ba_session()
314 return -EINVAL; in __ieee80211_stop_tx_ba_session()
317 spin_lock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
320 tid_tx = sta->ampdu_mlme.tid_start_tx[tid]; in __ieee80211_stop_tx_ba_session()
322 sta->ampdu_mlme.tid_start_tx[tid] = NULL; in __ieee80211_stop_tx_ba_session()
326 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
327 return -ENOENT; in __ieee80211_stop_tx_ba_session()
331 * if we're already stopping ignore any new requests to stop in __ieee80211_stop_tx_ba_session()
334 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in __ieee80211_stop_tx_ba_session()
335 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
337 return -EALREADY; in __ieee80211_stop_tx_ba_session()
339 ret = drv_ampdu_action(local, sta->sdata, ¶ms); in __ieee80211_stop_tx_ba_session()
344 if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) { in __ieee80211_stop_tx_ba_session()
347 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
352 set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state); in __ieee80211_stop_tx_ba_session()
356 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
358 ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n", in __ieee80211_stop_tx_ba_session()
359 sta->sta.addr, tid); in __ieee80211_stop_tx_ba_session()
361 del_timer_sync(&tid_tx->addba_resp_timer); in __ieee80211_stop_tx_ba_session()
362 del_timer_sync(&tid_tx->session_timer); in __ieee80211_stop_tx_ba_session()
366 * to the driver but are put onto tid_tx->pending instead, in __ieee80211_stop_tx_ba_session()
369 clear_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state); in __ieee80211_stop_tx_ba_session()
383 if (!local->in_reconfig) in __ieee80211_stop_tx_ba_session()
386 tid_tx->stop_initiator = reason == AGG_STOP_PEER_REQUEST ? in __ieee80211_stop_tx_ba_session()
389 tid_tx->tx_stop = reason == AGG_STOP_LOCAL_REQUEST; in __ieee80211_stop_tx_ba_session()
391 ret = drv_ampdu_action(local, sta->sdata, ¶ms); in __ieee80211_stop_tx_ba_session()
415 * After sending add Block Ack request we activated a timer until
417 * If this timer expires sta_addba_resp_timer_expired will be executed.
422 struct sta_info *sta = tid_tx->sta; in sta_addba_resp_timer_expired()
423 u8 tid = tid_tx->tid; in sta_addba_resp_timer_expired()
426 if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) { in sta_addba_resp_timer_expired()
427 ht_dbg(sta->sdata, in sta_addba_resp_timer_expired()
428 "timer expired on %pM tid %d not expecting addBA response\n", in sta_addba_resp_timer_expired()
429 sta->sta.addr, tid); in sta_addba_resp_timer_expired()
433 ht_dbg(sta->sdata, "addBA response timer expired on %pM tid %d\n", in sta_addba_resp_timer_expired()
434 sta->sta.addr, tid); in sta_addba_resp_timer_expired()
436 ieee80211_stop_tx_ba_session(&sta->sta, tid); in sta_addba_resp_timer_expired()
442 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_send_addba_with_timeout()
443 struct ieee80211_local *local = sta->local; in ieee80211_send_addba_with_timeout() local
444 u8 tid = tid_tx->tid; in ieee80211_send_addba_with_timeout()
447 if (WARN_ON_ONCE(test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state) || in ieee80211_send_addba_with_timeout()
448 test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state))) in ieee80211_send_addba_with_timeout()
451 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_send_addba_with_timeout()
453 /* activate the timer for the recipient's addBA response */ in ieee80211_send_addba_with_timeout()
454 mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); in ieee80211_send_addba_with_timeout()
455 ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n", in ieee80211_send_addba_with_timeout()
456 sta->sta.addr, tid); in ieee80211_send_addba_with_timeout()
458 spin_lock_bh(&sta->lock); in ieee80211_send_addba_with_timeout()
459 sta->ampdu_mlme.last_addba_req_time[tid] = jiffies; in ieee80211_send_addba_with_timeout()
460 sta->ampdu_mlme.addba_req_num[tid]++; in ieee80211_send_addba_with_timeout()
461 spin_unlock_bh(&sta->lock); in ieee80211_send_addba_with_timeout()
463 if (sta->sta.deflink.he_cap.has_he) { in ieee80211_send_addba_with_timeout()
464 buf_size = local->hw.max_tx_aggregation_subframes; in ieee80211_send_addba_with_timeout()
476 ieee80211_send_addba_request(sdata, sta->sta.addr, tid, in ieee80211_send_addba_with_timeout()
477 tid_tx->dialog_token, tid_tx->ssn, in ieee80211_send_addba_with_timeout()
478 buf_size, tid_tx->timeout); in ieee80211_send_addba_with_timeout()
480 WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)); in ieee80211_send_addba_with_timeout()
486 struct ieee80211_local *local = sta->local; in ieee80211_tx_ba_session_handle_start() local
487 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_tx_ba_session_handle_start()
489 .sta = &sta->sta, in ieee80211_tx_ba_session_handle_start()
505 clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); in ieee80211_tx_ba_session_handle_start()
509 * we have a valid starting sequence number and that in-flight in ieee80211_tx_ba_session_handle_start()
515 params.ssn = sta->tid_seq[tid] >> 4; in ieee80211_tx_ba_session_handle_start()
516 ret = drv_ampdu_action(local, sdata, ¶ms); in ieee80211_tx_ba_session_handle_start()
517 tid_tx->ssn = params.ssn; in ieee80211_tx_ba_session_handle_start()
526 set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state); in ieee80211_tx_ba_session_handle_start()
529 "BA request denied - HW unavailable for %pM tid %d\n", in ieee80211_tx_ba_session_handle_start()
530 sta->sta.addr, tid); in ieee80211_tx_ba_session_handle_start()
531 spin_lock_bh(&sta->lock); in ieee80211_tx_ba_session_handle_start()
535 spin_unlock_bh(&sta->lock); in ieee80211_tx_ba_session_handle_start()
555 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]); in ieee80211_refresh_tx_agg_session_timer()
559 tid_tx->last_tx = jiffies; in ieee80211_refresh_tx_agg_session_timer()
564 * After accepting the AddBA Response we activated a timer,
570 struct sta_info *sta = tid_tx->sta; in sta_tx_agg_session_timer_expired()
571 u8 tid = tid_tx->tid; in sta_tx_agg_session_timer_expired()
574 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in sta_tx_agg_session_timer_expired()
578 timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout); in sta_tx_agg_session_timer_expired()
580 mod_timer(&tid_tx->session_timer, timeout); in sta_tx_agg_session_timer_expired()
584 ht_dbg(sta->sdata, "tx session timer expired on %pM tid %d\n", in sta_tx_agg_session_timer_expired()
585 sta->sta.addr, tid); in sta_tx_agg_session_timer_expired()
587 ieee80211_stop_tx_ba_session(&sta->sta, tid); in sta_tx_agg_session_timer_expired()
594 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_start_tx_ba_session()
595 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_session() local
601 if (WARN(sta->reserved_tid == tid, in ieee80211_start_tx_ba_session()
603 return -EINVAL; in ieee80211_start_tx_ba_session()
605 if (!pubsta->deflink.ht_cap.ht_supported && in ieee80211_start_tx_ba_session()
606 !pubsta->deflink.vht_cap.vht_supported && in ieee80211_start_tx_ba_session()
607 !pubsta->deflink.he_cap.has_he && in ieee80211_start_tx_ba_session()
608 !pubsta->deflink.eht_cap.has_eht) in ieee80211_start_tx_ba_session()
609 return -EINVAL; in ieee80211_start_tx_ba_session()
611 if (WARN_ON_ONCE(!local->ops->ampdu_action)) in ieee80211_start_tx_ba_session()
612 return -EINVAL; in ieee80211_start_tx_ba_session()
615 !ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) || in ieee80211_start_tx_ba_session()
616 ieee80211_hw_check(&local->hw, TX_AMPDU_SETUP_IN_HW)) in ieee80211_start_tx_ba_session()
617 return -EINVAL; in ieee80211_start_tx_ba_session()
620 return -EINVAL; in ieee80211_start_tx_ba_session()
623 pubsta->addr, tid); in ieee80211_start_tx_ba_session()
625 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_start_tx_ba_session()
626 sdata->vif.type != NL80211_IFTYPE_MESH_POINT && in ieee80211_start_tx_ba_session()
627 sdata->vif.type != NL80211_IFTYPE_AP_VLAN && in ieee80211_start_tx_ba_session()
628 sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_start_tx_ba_session()
629 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_start_tx_ba_session()
630 return -EINVAL; in ieee80211_start_tx_ba_session()
634 "BA sessions blocked - Denying BA session request %pM tid %d\n", in ieee80211_start_tx_ba_session()
635 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
636 return -EINVAL; in ieee80211_start_tx_ba_session()
642 "MFP STA not authorized - deny BA session request %pM tid %d\n", in ieee80211_start_tx_ba_session()
643 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
644 return -EINVAL; in ieee80211_start_tx_ba_session()
648 * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a in ieee80211_start_tx_ba_session()
659 if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC && in ieee80211_start_tx_ba_session()
660 !sta->sta.deflink.ht_cap.ht_supported) { in ieee80211_start_tx_ba_session()
662 "BA request denied - IBSS STA %pM does not advertise HT support\n", in ieee80211_start_tx_ba_session()
663 pubsta->addr); in ieee80211_start_tx_ba_session()
664 return -EINVAL; in ieee80211_start_tx_ba_session()
667 spin_lock_bh(&sta->lock); in ieee80211_start_tx_ba_session()
669 /* we have tried too many times, receiver does not want A-MPDU */ in ieee80211_start_tx_ba_session()
670 if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) { in ieee80211_start_tx_ba_session()
671 ret = -EBUSY; in ieee80211_start_tx_ba_session()
680 if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_BURST_RETRIES && in ieee80211_start_tx_ba_session()
681 time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] + in ieee80211_start_tx_ba_session()
684 "BA request denied - %d failed requests on %pM tid %u\n", in ieee80211_start_tx_ba_session()
685 sta->ampdu_mlme.addba_req_num[tid], sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
686 ret = -EBUSY; in ieee80211_start_tx_ba_session()
692 if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) { in ieee80211_start_tx_ba_session()
694 "BA request denied - session is not idle on %pM tid %u\n", in ieee80211_start_tx_ba_session()
695 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
696 ret = -EAGAIN; in ieee80211_start_tx_ba_session()
700 /* prepare A-MPDU MLME for Tx aggregation */ in ieee80211_start_tx_ba_session()
703 ret = -ENOMEM; in ieee80211_start_tx_ba_session()
707 skb_queue_head_init(&tid_tx->pending); in ieee80211_start_tx_ba_session()
708 __set_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); in ieee80211_start_tx_ba_session()
710 tid_tx->timeout = timeout; in ieee80211_start_tx_ba_session()
711 tid_tx->sta = sta; in ieee80211_start_tx_ba_session()
712 tid_tx->tid = tid; in ieee80211_start_tx_ba_session()
714 /* response timer */ in ieee80211_start_tx_ba_session()
715 timer_setup(&tid_tx->addba_resp_timer, sta_addba_resp_timer_expired, 0); in ieee80211_start_tx_ba_session()
717 /* tx timer */ in ieee80211_start_tx_ba_session()
718 timer_setup(&tid_tx->session_timer, in ieee80211_start_tx_ba_session()
722 sta->ampdu_mlme.dialog_token_allocator++; in ieee80211_start_tx_ba_session()
723 tid_tx->dialog_token = sta->ampdu_mlme.dialog_token_allocator; in ieee80211_start_tx_ba_session()
729 sta->ampdu_mlme.tid_start_tx[tid] = tid_tx; in ieee80211_start_tx_ba_session()
731 wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); in ieee80211_start_tx_ba_session()
735 spin_unlock_bh(&sta->lock); in ieee80211_start_tx_ba_session()
740 static void ieee80211_agg_tx_operational(struct ieee80211_local *local, in ieee80211_agg_tx_operational() argument
745 .sta = &sta->sta, in ieee80211_agg_tx_operational()
752 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_agg_tx_operational()
755 params.buf_size = tid_tx->buf_size; in ieee80211_agg_tx_operational()
756 params.amsdu = tid_tx->amsdu; in ieee80211_agg_tx_operational()
758 ht_dbg(sta->sdata, "Aggregation is on for %pM tid %d\n", in ieee80211_agg_tx_operational()
759 sta->sta.addr, tid); in ieee80211_agg_tx_operational()
761 drv_ampdu_action(local, sta->sdata, ¶ms); in ieee80211_agg_tx_operational()
767 spin_lock_bh(&sta->lock); in ieee80211_agg_tx_operational()
769 ieee80211_agg_splice_packets(sta->sdata, tid_tx, tid); in ieee80211_agg_tx_operational()
772 * in the TX path, and lets it go lock-free in in ieee80211_agg_tx_operational()
775 set_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state); in ieee80211_agg_tx_operational()
776 ieee80211_agg_splice_finish(sta->sdata, tid); in ieee80211_agg_tx_operational()
778 spin_unlock_bh(&sta->lock); in ieee80211_agg_tx_operational()
786 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_start_tx_ba_cb()
787 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_cb() local
789 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_start_tx_ba_cb()
791 if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))) in ieee80211_start_tx_ba_cb()
794 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state) || in ieee80211_start_tx_ba_cb()
795 test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state)) in ieee80211_start_tx_ba_cb()
798 if (!test_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)) { in ieee80211_start_tx_ba_cb()
804 if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) in ieee80211_start_tx_ba_cb()
805 ieee80211_agg_tx_operational(local, sta, tid); in ieee80211_start_tx_ba_cb()
826 tid_tx = rcu_dereference((*sta)->ampdu_mlme.tid_tx[tid]); in ieee80211_lookup_tid_tx()
838 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_cb_irqsafe() local
849 set_bit(HT_AGG_STATE_START_CB, &tid_tx->state); in ieee80211_start_tx_ba_cb_irqsafe()
850 wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); in ieee80211_start_tx_ba_cb_irqsafe()
859 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_stop_tx_ba_session()
860 struct ieee80211_local *local = sdata->local; in ieee80211_stop_tx_ba_session() local
866 if (!local->ops->ampdu_action) in ieee80211_stop_tx_ba_session()
867 return -EINVAL; in ieee80211_stop_tx_ba_session()
870 return -EINVAL; in ieee80211_stop_tx_ba_session()
872 spin_lock_bh(&sta->lock); in ieee80211_stop_tx_ba_session()
876 ret = -ENOENT; in ieee80211_stop_tx_ba_session()
880 WARN(sta->reserved_tid == tid, in ieee80211_stop_tx_ba_session()
881 "Requested to stop BA session on reserved tid=%d", tid); in ieee80211_stop_tx_ba_session()
883 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in ieee80211_stop_tx_ba_session()
889 set_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state); in ieee80211_stop_tx_ba_session()
890 wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); in ieee80211_stop_tx_ba_session()
893 spin_unlock_bh(&sta->lock); in ieee80211_stop_tx_ba_session()
901 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_stop_tx_ba_cb()
906 sta->sta.addr, tid); in ieee80211_stop_tx_ba_cb()
908 spin_lock_bh(&sta->lock); in ieee80211_stop_tx_ba_cb()
910 if (!test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in ieee80211_stop_tx_ba_cb()
912 "unexpected callback to A-MPDU stop for %pM tid %d\n", in ieee80211_stop_tx_ba_cb()
913 sta->sta.addr, tid); in ieee80211_stop_tx_ba_cb()
917 if (tid_tx->stop_initiator == WLAN_BACK_INITIATOR && tid_tx->tx_stop) in ieee80211_stop_tx_ba_cb()
924 spin_unlock_bh(&sta->lock); in ieee80211_stop_tx_ba_cb()
930 ieee80211_send_delba(sdata, sta->sta.addr, tid, in ieee80211_stop_tx_ba_cb()
938 struct ieee80211_local *local = sdata->local; in ieee80211_stop_tx_ba_cb_irqsafe() local
949 set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state); in ieee80211_stop_tx_ba_cb_irqsafe()
950 wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); in ieee80211_stop_tx_ba_cb_irqsafe()
957 void ieee80211_process_addba_resp(struct ieee80211_local *local, in ieee80211_process_addba_resp() argument
967 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_process_addba_resp()
969 capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); in ieee80211_process_addba_resp()
973 buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes); in ieee80211_process_addba_resp()
975 txq = sta->sta.txq[tid]; in ieee80211_process_addba_resp()
977 set_bit(IEEE80211_TXQ_NO_AMSDU, &to_txq_info(txq)->flags); in ieee80211_process_addba_resp()
983 if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) { in ieee80211_process_addba_resp()
984 ht_dbg(sta->sdata, "wrong addBA response token, %pM tid %d\n", in ieee80211_process_addba_resp()
985 sta->sta.addr, tid); in ieee80211_process_addba_resp()
989 del_timer_sync(&tid_tx->addba_resp_timer); in ieee80211_process_addba_resp()
991 ht_dbg(sta->sdata, "switched off addBA timer for %pM tid %d\n", in ieee80211_process_addba_resp()
992 sta->sta.addr, tid); in ieee80211_process_addba_resp()
996 * caused WANT_STOP to be set. If the stop then was already in ieee80211_process_addba_resp()
999 if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) || in ieee80211_process_addba_resp()
1000 test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in ieee80211_process_addba_resp()
1001 ht_dbg(sta->sdata, in ieee80211_process_addba_resp()
1003 sta->sta.addr, tid); in ieee80211_process_addba_resp()
1008 * IEEE 802.11-2007 7.3.1.14: in ieee80211_process_addba_resp()
1013 if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) in ieee80211_process_addba_resp()
1016 &tid_tx->state)) { in ieee80211_process_addba_resp()
1021 tid_tx->buf_size = buf_size; in ieee80211_process_addba_resp()
1022 tid_tx->amsdu = amsdu; in ieee80211_process_addba_resp()
1024 if (test_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)) in ieee80211_process_addba_resp()
1025 ieee80211_agg_tx_operational(local, sta, tid); in ieee80211_process_addba_resp()
1027 sta->ampdu_mlme.addba_req_num[tid] = 0; in ieee80211_process_addba_resp()
1029 tid_tx->timeout = in ieee80211_process_addba_resp()
1030 le16_to_cpu(mgmt->u.action.u.addba_resp.timeout); in ieee80211_process_addba_resp()
1032 if (tid_tx->timeout) { in ieee80211_process_addba_resp()
1033 mod_timer(&tid_tx->session_timer, in ieee80211_process_addba_resp()
1034 TU_TO_EXP_TIME(tid_tx->timeout)); in ieee80211_process_addba_resp()
1035 tid_tx->last_tx = jiffies; in ieee80211_process_addba_resp()