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 <[email protected]>
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
65 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_send_addba_request()
66 struct ieee80211_local *local = sdata->local; in ieee80211_send_addba_request() local
73 local->hw.extra_tx_headroom); in ieee80211_send_addba_request()
77 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_addba_request()
78 mgmt = ieee80211_mgmt_ba(skb, sta->sta.addr, sdata); in ieee80211_send_addba_request()
80 skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req)); in ieee80211_send_addba_request()
82 mgmt->u.action.category = WLAN_CATEGORY_BACK; in ieee80211_send_addba_request()
83 mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ; in ieee80211_send_addba_request()
85 mgmt->u.action.u.addba_req.dialog_token = dialog_token; in ieee80211_send_addba_request()
91 mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab); in ieee80211_send_addba_request()
93 mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout); in ieee80211_send_addba_request()
94 mgmt->u.action.u.addba_req.start_seq_num = in ieee80211_send_addba_request()
97 if (sta->sta.deflink.he_cap.has_he) in ieee80211_send_addba_request()
100 ieee80211_tx_skb_tid(sdata, skb, tid, -1); in ieee80211_send_addba_request()
106 struct ieee80211_local *local = sdata->local; in ieee80211_send_bar() local
111 skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom); in ieee80211_send_bar()
115 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_send_bar()
117 bar->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | in ieee80211_send_bar()
119 memcpy(bar->ra, ra, ETH_ALEN); in ieee80211_send_bar()
120 memcpy(bar->ta, sdata->vif.addr, ETH_ALEN); in ieee80211_send_bar()
124 bar->control = cpu_to_le16(bar_control); in ieee80211_send_bar()
125 bar->start_seq_num = cpu_to_le16(ssn); in ieee80211_send_bar()
127 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | in ieee80211_send_bar()
129 ieee80211_tx_skb_tid(sdata, skb, tid, -1); in ieee80211_send_bar()
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()
144 * refcount the global queue stop caused by that in order
146 * setup or teardown re-enables queues before the other is
155 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __acquires()
159 if (atomic_inc_return(&sdata->local->agg_queue_stop[queue]) == 1) in __acquires()
161 &sdata->local->hw, queue, in __acquires()
170 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __releases()
172 if (atomic_dec_return(&sdata->local->agg_queue_stop[queue]) == 0) in __releases()
174 &sdata->local->hw, queue, in __releases()
183 struct ieee80211_txq *txq = sta->sta.txq[tid]; in ieee80211_agg_stop_txq()
192 sdata = vif_to_sdata(txq->vif); in ieee80211_agg_stop_txq()
193 fq = &sdata->local->fq; in ieee80211_agg_stop_txq()
196 spin_lock_bh(&fq->lock); in ieee80211_agg_stop_txq()
197 set_bit(IEEE80211_TXQ_STOP, &txqi->flags); in ieee80211_agg_stop_txq()
198 spin_unlock_bh(&fq->lock); in ieee80211_agg_stop_txq()
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()
215 set_bit(IEEE80211_TXQ_AMPDU, &txqi->flags); in ieee80211_agg_start_txq()
217 clear_bit(IEEE80211_TXQ_AMPDU, &txqi->flags); in ieee80211_agg_start_txq()
219 clear_bit(IEEE80211_TXQ_STOP, &txqi->flags); in ieee80211_agg_start_txq()
222 schedule_and_wake_txq(sta->sdata->local, txqi); in ieee80211_agg_start_txq()
228 * splice packets from the STA's pending to the local pending,
235 struct ieee80211_local *local = sdata->local; in __acquires() local
236 int queue = sdata->vif.hw_queue[ieee80211_ac_from_tid(tid)]; in __acquires()
246 if (!skb_queue_empty(&tid_tx->pending)) { in __acquires()
247 spin_lock_irqsave(&local->queue_stop_reason_lock, flags); in __acquires()
249 skb_queue_splice_tail_init(&tid_tx->pending, in __acquires()
250 &local->pending[queue]); in __acquires()
251 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); in __acquires()
265 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_remove_tid_tx()
266 lockdep_assert_held(&sta->lock); in ieee80211_remove_tid_tx()
274 * stop the queue now, we will not get any more packets, and any in ieee80211_remove_tid_tx()
280 ieee80211_agg_splice_packets(sta->sdata, tid_tx, tid); in ieee80211_remove_tid_tx()
285 ieee80211_agg_splice_finish(sta->sdata, tid); in ieee80211_remove_tid_tx()
293 struct ieee80211_local *local = sta->local; in __ieee80211_stop_tx_ba_session() local
296 .sta = &sta->sta, in __ieee80211_stop_tx_ba_session()
305 lockdep_assert_wiphy(sta->local->hw.wiphy); in __ieee80211_stop_tx_ba_session()
318 return -EINVAL; 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()
330 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
331 return -ENOENT; in __ieee80211_stop_tx_ba_session()
335 * if we're already stopping ignore any new requests to stop in __ieee80211_stop_tx_ba_session()
338 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in __ieee80211_stop_tx_ba_session()
339 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
341 return -EALREADY; in __ieee80211_stop_tx_ba_session()
343 ret = drv_ampdu_action(local, sta->sdata, ¶ms); in __ieee80211_stop_tx_ba_session()
348 if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) { in __ieee80211_stop_tx_ba_session()
351 spin_unlock_bh(&sta->lock); in __ieee80211_stop_tx_ba_session()
356 set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state); 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()
365 del_timer_sync(&tid_tx->addba_resp_timer); in __ieee80211_stop_tx_ba_session()
366 del_timer_sync(&tid_tx->session_timer); in __ieee80211_stop_tx_ba_session()
370 * to the driver but are put onto tid_tx->pending instead, in __ieee80211_stop_tx_ba_session()
373 clear_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state); in __ieee80211_stop_tx_ba_session()
387 if (!local->in_reconfig) in __ieee80211_stop_tx_ba_session()
390 tid_tx->stop_initiator = reason == AGG_STOP_PEER_REQUEST ? in __ieee80211_stop_tx_ba_session()
393 tid_tx->tx_stop = reason == AGG_STOP_LOCAL_REQUEST; in __ieee80211_stop_tx_ba_session()
395 ret = drv_ampdu_action(local, sta->sdata, ¶ms); in __ieee80211_stop_tx_ba_session()
419 * After sending add Block Ack request we activated a timer until
421 * If this timer expires sta_addba_resp_timer_expired will be executed.
426 struct sta_info *sta = tid_tx->sta; in sta_addba_resp_timer_expired()
427 u8 tid = tid_tx->tid; in sta_addba_resp_timer_expired()
430 if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) { in sta_addba_resp_timer_expired()
431 ht_dbg(sta->sdata, in sta_addba_resp_timer_expired()
432 "timer expired on %pM tid %d not expecting addBA response\n", 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()
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() local
448 u8 tid = tid_tx->tid; in ieee80211_send_addba_with_timeout()
451 if (WARN_ON_ONCE(test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state) || in ieee80211_send_addba_with_timeout()
452 test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state))) in ieee80211_send_addba_with_timeout()
455 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_send_addba_with_timeout()
457 /* activate the timer for the recipient's addBA response */ in ieee80211_send_addba_with_timeout()
458 mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); in ieee80211_send_addba_with_timeout()
459 ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n", 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()
468 buf_size = local->hw.max_tx_aggregation_subframes; in ieee80211_send_addba_with_timeout()
469 } else if (sta->sta.deflink.he_cap.has_he) { in ieee80211_send_addba_with_timeout()
470 buf_size = min_t(u16, local->hw.max_tx_aggregation_subframes, in ieee80211_send_addba_with_timeout()
483 ieee80211_send_addba_request(sta, tid, tid_tx->dialog_token, in ieee80211_send_addba_with_timeout()
484 tid_tx->ssn, buf_size, tid_tx->timeout); in ieee80211_send_addba_with_timeout()
486 WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)); in ieee80211_send_addba_with_timeout()
492 struct ieee80211_local *local = sta->local; in ieee80211_tx_ba_session_handle_start() local
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()
511 clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); in ieee80211_tx_ba_session_handle_start()
515 * we have a valid starting sequence number and that in-flight in ieee80211_tx_ba_session_handle_start()
521 params.ssn = sta->tid_seq[tid] >> 4; in ieee80211_tx_ba_session_handle_start()
522 ret = drv_ampdu_action(local, sdata, ¶ms); in ieee80211_tx_ba_session_handle_start()
523 tid_tx->ssn = params.ssn; in ieee80211_tx_ba_session_handle_start()
532 set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state); in ieee80211_tx_ba_session_handle_start()
535 "BA request denied - HW unavailable for %pM tid %d\n", 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()
541 spin_unlock_bh(&sta->lock); in ieee80211_tx_ba_session_handle_start()
561 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]); in ieee80211_refresh_tx_agg_session_timer()
565 tid_tx->last_tx = jiffies; in ieee80211_refresh_tx_agg_session_timer()
570 * After accepting the AddBA Response we activated a timer,
576 struct sta_info *sta = tid_tx->sta; in sta_tx_agg_session_timer_expired()
577 u8 tid = tid_tx->tid; in sta_tx_agg_session_timer_expired()
580 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in sta_tx_agg_session_timer_expired()
584 timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout); in sta_tx_agg_session_timer_expired()
586 mod_timer(&tid_tx->session_timer, timeout); in sta_tx_agg_session_timer_expired()
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()
600 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_start_tx_ba_session()
601 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_session() local
607 if (WARN(sta->reserved_tid == tid, in ieee80211_start_tx_ba_session()
609 return -EINVAL; in ieee80211_start_tx_ba_session()
611 if (!pubsta->deflink.ht_cap.ht_supported && in ieee80211_start_tx_ba_session()
612 !pubsta->deflink.vht_cap.vht_supported && in ieee80211_start_tx_ba_session()
613 !pubsta->deflink.he_cap.has_he && in ieee80211_start_tx_ba_session()
614 !pubsta->deflink.eht_cap.has_eht) in ieee80211_start_tx_ba_session()
615 return -EINVAL; in ieee80211_start_tx_ba_session()
617 if (WARN_ON_ONCE(!local->ops->ampdu_action)) in ieee80211_start_tx_ba_session()
618 return -EINVAL; in ieee80211_start_tx_ba_session()
621 !ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) || in ieee80211_start_tx_ba_session()
622 ieee80211_hw_check(&local->hw, TX_AMPDU_SETUP_IN_HW)) in ieee80211_start_tx_ba_session()
623 return -EINVAL; in ieee80211_start_tx_ba_session()
626 return -EINVAL; in ieee80211_start_tx_ba_session()
629 pubsta->addr, tid); in ieee80211_start_tx_ba_session()
631 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_start_tx_ba_session()
632 sdata->vif.type != NL80211_IFTYPE_MESH_POINT && in ieee80211_start_tx_ba_session()
633 sdata->vif.type != NL80211_IFTYPE_AP_VLAN && in ieee80211_start_tx_ba_session()
634 sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_start_tx_ba_session()
635 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_start_tx_ba_session()
636 return -EINVAL; in ieee80211_start_tx_ba_session()
640 "BA sessions blocked - Denying BA session request %pM tid %d\n", in ieee80211_start_tx_ba_session()
641 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
642 return -EINVAL; in ieee80211_start_tx_ba_session()
648 "MFP STA not authorized - deny BA session request %pM tid %d\n", in ieee80211_start_tx_ba_session()
649 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
650 return -EINVAL; in ieee80211_start_tx_ba_session()
654 * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a 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()
668 "BA request denied - IBSS STA %pM does not advertise HT support\n", in ieee80211_start_tx_ba_session()
669 pubsta->addr); in ieee80211_start_tx_ba_session()
670 return -EINVAL; in ieee80211_start_tx_ba_session()
673 spin_lock_bh(&sta->lock); in ieee80211_start_tx_ba_session()
675 /* we have tried too many times, receiver does not want A-MPDU */ 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()
677 ret = -EBUSY; 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()
690 "BA request denied - %d failed requests on %pM tid %u\n", in ieee80211_start_tx_ba_session()
691 sta->ampdu_mlme.addba_req_num[tid], sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
692 ret = -EBUSY; in ieee80211_start_tx_ba_session()
698 if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) { in ieee80211_start_tx_ba_session()
700 "BA request denied - session is not idle on %pM tid %u\n", in ieee80211_start_tx_ba_session()
701 sta->sta.addr, tid); in ieee80211_start_tx_ba_session()
702 ret = -EAGAIN; in ieee80211_start_tx_ba_session()
706 /* prepare A-MPDU MLME for Tx aggregation */ in ieee80211_start_tx_ba_session()
709 ret = -ENOMEM; in ieee80211_start_tx_ba_session()
713 skb_queue_head_init(&tid_tx->pending); in ieee80211_start_tx_ba_session()
714 __set_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); in ieee80211_start_tx_ba_session()
716 tid_tx->timeout = timeout; in ieee80211_start_tx_ba_session()
717 tid_tx->sta = sta; in ieee80211_start_tx_ba_session()
718 tid_tx->tid = tid; in ieee80211_start_tx_ba_session()
720 /* response timer */ in ieee80211_start_tx_ba_session()
721 timer_setup(&tid_tx->addba_resp_timer, sta_addba_resp_timer_expired, 0); in ieee80211_start_tx_ba_session()
723 /* tx timer */ in ieee80211_start_tx_ba_session()
724 timer_setup(&tid_tx->session_timer, 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()
746 static void ieee80211_agg_tx_operational(struct ieee80211_local *local, 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()
761 params.buf_size = tid_tx->buf_size; in ieee80211_agg_tx_operational()
762 params.amsdu = tid_tx->amsdu; 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, ¶ms); 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()
778 * in the TX path, and lets it go lock-free in in ieee80211_agg_tx_operational()
781 set_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state); 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()
792 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_start_tx_ba_cb()
793 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_cb() local
795 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_start_tx_ba_cb()
797 if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))) in ieee80211_start_tx_ba_cb()
800 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state) || in ieee80211_start_tx_ba_cb()
801 test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state)) in ieee80211_start_tx_ba_cb()
804 if (!test_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)) { in ieee80211_start_tx_ba_cb()
810 if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) in ieee80211_start_tx_ba_cb()
811 ieee80211_agg_tx_operational(local, sta, tid); in ieee80211_start_tx_ba_cb()
832 tid_tx = rcu_dereference((*sta)->ampdu_mlme.tid_tx[tid]); in ieee80211_lookup_tid_tx()
844 struct ieee80211_local *local = sdata->local; in ieee80211_start_tx_ba_cb_irqsafe() local
855 set_bit(HT_AGG_STATE_START_CB, &tid_tx->state); 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()
865 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_stop_tx_ba_session()
866 struct ieee80211_local *local = sdata->local; in ieee80211_stop_tx_ba_session() local
872 if (!local->ops->ampdu_action) in ieee80211_stop_tx_ba_session()
873 return -EINVAL; in ieee80211_stop_tx_ba_session()
876 return -EINVAL; in ieee80211_stop_tx_ba_session()
878 spin_lock_bh(&sta->lock); in ieee80211_stop_tx_ba_session()
882 ret = -ENOENT; in ieee80211_stop_tx_ba_session()
886 WARN(sta->reserved_tid == tid, in ieee80211_stop_tx_ba_session()
887 "Requested to stop BA session on reserved tid=%d", tid); in ieee80211_stop_tx_ba_session()
889 if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in ieee80211_stop_tx_ba_session()
895 set_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state); 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()
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()
916 if (!test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { in ieee80211_stop_tx_ba_cb()
918 "unexpected callback to A-MPDU stop for %pM tid %d\n", in ieee80211_stop_tx_ba_cb()
919 sta->sta.addr, tid); in ieee80211_stop_tx_ba_cb()
923 if (tid_tx->stop_initiator == WLAN_BACK_INITIATOR && tid_tx->tx_stop) in ieee80211_stop_tx_ba_cb()
930 spin_unlock_bh(&sta->lock); in ieee80211_stop_tx_ba_cb()
936 ieee80211_send_delba(sdata, sta->sta.addr, tid, in ieee80211_stop_tx_ba_cb()
944 struct ieee80211_local *local = sdata->local; in ieee80211_stop_tx_ba_cb_irqsafe() local
955 set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state); 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()
963 void ieee80211_process_addba_resp(struct ieee80211_local *local, in ieee80211_process_addba_resp() argument
973 lockdep_assert_wiphy(sta->local->hw.wiphy); in ieee80211_process_addba_resp()
975 capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); in ieee80211_process_addba_resp()
981 mgmt->u.action.u.addba_resp.variable, in ieee80211_process_addba_resp()
982 len - offsetof(typeof(*mgmt), in ieee80211_process_addba_resp()
986 buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes); in ieee80211_process_addba_resp()
988 txq = sta->sta.txq[tid]; in ieee80211_process_addba_resp()
990 set_bit(IEEE80211_TXQ_NO_AMSDU, &to_txq_info(txq)->flags); in ieee80211_process_addba_resp()
996 if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) { 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()
1002 del_timer_sync(&tid_tx->addba_resp_timer); 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()
1009 * caused WANT_STOP to be set. If the stop then was already in ieee80211_process_addba_resp()
1012 if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) || in ieee80211_process_addba_resp()
1013 test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { 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()
1021 * IEEE 802.11-2007 7.3.1.14: in ieee80211_process_addba_resp()
1026 if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) in ieee80211_process_addba_resp()
1029 &tid_tx->state)) { in ieee80211_process_addba_resp()
1034 tid_tx->buf_size = buf_size; in ieee80211_process_addba_resp()
1035 tid_tx->amsdu = amsdu; in ieee80211_process_addba_resp()
1037 if (test_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)) 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()
1042 tid_tx->timeout = in ieee80211_process_addba_resp()
1043 le16_to_cpu(mgmt->u.action.u.addba_resp.timeout); in ieee80211_process_addba_resp()
1045 if (tid_tx->timeout) { in ieee80211_process_addba_resp()
1046 mod_timer(&tid_tx->session_timer, in ieee80211_process_addba_resp()
1047 TU_TO_EXP_TIME(tid_tx->timeout)); in ieee80211_process_addba_resp()
1048 tid_tx->last_tx = jiffies; in ieee80211_process_addba_resp()