diff options
Diffstat (limited to 'net/mac80211/agg-tx.c')
| -rw-r--r-- | net/mac80211/agg-tx.c | 133 |
1 files changed, 60 insertions, 73 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index b6b772685881..d981b0fc57bf 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -9,7 +9,7 @@ * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2007-2010, Intel Corporation * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2023 Intel Corporation + * Copyright (C) 2018 - 2024 Intel Corporation */ #include <linux/ieee80211.h> @@ -58,36 +58,24 @@ * complete. */ -static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, - const u8 *da, u16 tid, +static void ieee80211_send_addba_request(struct sta_info *sta, u16 tid, u8 dialog_token, u16 start_seq_num, u16 agg_size, u16 timeout) { + struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u16 capab; - skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom); - + skb = dev_alloc_skb(sizeof(*mgmt) + + 2 + sizeof(struct ieee80211_addba_ext_ie) + + local->hw.extra_tx_headroom); if (!skb) return; skb_reserve(skb, local->hw.extra_tx_headroom); - mgmt = skb_put_zero(skb, 24); - memcpy(mgmt->da, da, ETH_ALEN); - memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); - if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN || - sdata->vif.type == NL80211_IFTYPE_MESH_POINT) - memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); - else if (sdata->vif.type == NL80211_IFTYPE_STATION) - memcpy(mgmt->bssid, sdata->vif.cfg.ap_addr, ETH_ALEN); - else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) - memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); - - mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_ACTION); + mgmt = ieee80211_mgmt_ba(skb, sta->sta.addr, sdata); skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req)); @@ -106,6 +94,9 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, mgmt->u.action.u.addba_req.start_seq_num = cpu_to_le16(start_seq_num << 4); + if (sta->sta.deflink.he_cap.has_he) + ieee80211_add_addbaext(skb, 0, agg_size); + ieee80211_tx_skb_tid(sdata, skb, tid, -1); } @@ -142,7 +133,7 @@ EXPORT_SYMBOL(ieee80211_send_bar); void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, struct tid_ampdu_tx *tid_tx) { - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); lockdep_assert_held(&sta->lock); rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx); } @@ -213,7 +204,7 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable) struct ieee80211_txq *txq = sta->sta.txq[tid]; struct txq_info *txqi; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); if (!txq) return; @@ -271,7 +262,7 @@ static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid) { struct tid_ampdu_tx *tid_tx; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); lockdep_assert_held(&sta->lock); tid_tx = rcu_dereference_protected_tid_tx(sta, tid); @@ -296,8 +287,8 @@ static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid) kfree_rcu(tid_tx, rcu_head); } -int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_agg_stop_reason reason) +int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, + enum ieee80211_agg_stop_reason reason) { struct ieee80211_local *local = sta->local; struct tid_ampdu_tx *tid_tx; @@ -311,7 +302,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, }; int ret; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); switch (reason) { case AGG_STOP_DECLINED: @@ -371,8 +362,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n", sta->sta.addr, tid); - del_timer_sync(&tid_tx->addba_resp_timer); - del_timer_sync(&tid_tx->session_timer); + timer_delete_sync(&tid_tx->addba_resp_timer); + timer_delete_sync(&tid_tx->session_timer); /* * After this packets are no longer handed right through @@ -431,7 +422,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, */ static void sta_addba_resp_timer_expired(struct timer_list *t) { - struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, addba_resp_timer); + struct tid_ampdu_tx *tid_tx = timer_container_of(tid_tx, t, + addba_resp_timer); struct sta_info *sta = tid_tx->sta; u8 tid = tid_tx->tid; @@ -461,7 +453,7 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta, test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state))) return; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); /* activate the timer for the recipient's addBA response */ mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); @@ -473,8 +465,13 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta, sta->ampdu_mlme.addba_req_num[tid]++; spin_unlock_bh(&sta->lock); - if (sta->sta.deflink.he_cap.has_he) { + if (sta->sta.valid_links || + sta->sta.deflink.eht_cap.has_eht || + ieee80211_hw_check(&local->hw, STRICT)) { buf_size = local->hw.max_tx_aggregation_subframes; + } else if (sta->sta.deflink.he_cap.has_he) { + buf_size = min_t(u16, local->hw.max_tx_aggregation_subframes, + IEEE80211_MAX_AMPDU_BUF_HE); } else { /* * We really should use what the driver told us it will @@ -486,9 +483,8 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta, } /* send AddBA request */ - ieee80211_send_addba_request(sdata, sta->sta.addr, tid, - tid_tx->dialog_token, tid_tx->ssn, - buf_size, tid_tx->timeout); + ieee80211_send_addba_request(sta, tid, tid_tx->dialog_token, + tid_tx->ssn, buf_size, tid_tx->timeout); WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)); } @@ -497,7 +493,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) { struct tid_ampdu_tx *tid_tx; struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_ampdu_params params = { .sta = &sta->sta, .action = IEEE80211_AMPDU_TX_START, @@ -525,7 +521,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ synchronize_net(); - sdata = sta->sdata; params.ssn = sta->tid_seq[tid] >> 4; ret = drv_ampdu_action(local, sdata, ¶ms); tid_tx->ssn = params.ssn; @@ -539,9 +534,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state); } else if (ret) { - if (!sdata) - return; - ht_dbg(sdata, "BA request denied - HW unavailable for %pM tid %d\n", sta->sta.addr, tid); @@ -583,7 +575,8 @@ EXPORT_SYMBOL(ieee80211_refresh_tx_agg_session_timer); */ static void sta_tx_agg_session_timer_expired(struct timer_list *t) { - struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, session_timer); + struct tid_ampdu_tx *tid_tx = timer_container_of(tid_tx, t, + session_timer); struct sta_info *sta = tid_tx->sta; u8 tid = tid_tx->tid; unsigned long timeout; @@ -619,8 +612,12 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, "Requested to start BA session on reserved tid=%d", tid)) return -EINVAL; - if (!pubsta->deflink.ht_cap.ht_supported && - sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ) + if (!pubsta->valid_links && + !pubsta->deflink.ht_cap.ht_supported && + !pubsta->deflink.vht_cap.vht_supported && + !pubsta->deflink.he_cap.has_he && + !pubsta->deflink.eht_cap.has_eht && + !pubsta->deflink.s1g_cap.s1g) return -EINVAL; if (WARN_ON_ONCE(!local->ops->ampdu_action)) @@ -743,7 +740,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, */ sta->ampdu_mlme.tid_start_tx[tid] = tid_tx; - ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); /* this flow continues off the work */ err_unlock_sta: @@ -764,7 +761,7 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local, .ssn = 0, }; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); tid_tx = rcu_dereference_protected_tid_tx(sta, tid); params.buf_size = tid_tx->buf_size; @@ -801,7 +798,7 @@ void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; - lockdep_assert_held(&sta->ampdu_mlme.mtx); + lockdep_assert_wiphy(sta->local->hw.wiphy); if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))) return; @@ -812,7 +809,7 @@ void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, if (!test_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)) { ieee80211_send_addba_with_timeout(sta, tid_tx); - /* RESPONSE_RECEIVED state whould trigger the flow again */ + /* RESPONSE_RECEIVED state would trigger the flow again */ return; } @@ -862,26 +859,12 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, goto out; set_bit(HT_AGG_STATE_START_CB, &tid_tx->state); - ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); out: rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe); -int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_agg_stop_reason reason) -{ - int ret; - - mutex_lock(&sta->ampdu_mlme.mtx); - - ret = ___ieee80211_stop_tx_ba_session(sta, tid, reason); - - mutex_unlock(&sta->ampdu_mlme.mtx); - - return ret; -} - int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); @@ -916,7 +899,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) } set_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state); - ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); unlock: spin_unlock_bh(&sta->lock); @@ -976,7 +959,7 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, goto out; set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state); - ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work); out: rcu_read_unlock(); } @@ -993,29 +976,36 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, u16 capab, tid, buf_size; bool amsdu; + lockdep_assert_wiphy(sta->local->hw.wiphy); + capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); amsdu = capab & IEEE80211_ADDBA_PARAM_AMSDU_MASK; tid = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_TID_MASK); buf_size = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK); + + ieee80211_retrieve_addba_ext_data(sta, + mgmt->u.action.u.addba_resp.variable, + len - offsetof(typeof(*mgmt), + u.action.u.addba_resp.variable), + &buf_size); + buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes); txq = sta->sta.txq[tid]; if (!amsdu && txq) set_bit(IEEE80211_TXQ_NO_AMSDU, &to_txq_info(txq)->flags); - mutex_lock(&sta->ampdu_mlme.mtx); - tid_tx = rcu_dereference_protected_tid_tx(sta, tid); if (!tid_tx) - goto out; + return; if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) { ht_dbg(sta->sdata, "wrong addBA response token, %pM tid %d\n", sta->sta.addr, tid); - goto out; + return; } - del_timer_sync(&tid_tx->addba_resp_timer); + timer_delete_sync(&tid_tx->addba_resp_timer); ht_dbg(sta->sdata, "switched off addBA timer for %pM tid %d\n", sta->sta.addr, tid); @@ -1030,7 +1020,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, ht_dbg(sta->sdata, "got addBA resp for %pM tid %d but we already gave up\n", sta->sta.addr, tid); - goto out; + return; } /* @@ -1044,7 +1034,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, if (test_and_set_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) { /* ignore duplicate response */ - goto out; + return; } tid_tx->buf_size = buf_size; @@ -1065,9 +1055,6 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, } } else { - ___ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_DECLINED); + __ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_DECLINED); } - - out: - mutex_unlock(&sta->ampdu_mlme.mtx); } |
