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synced 2024-11-22 20:22:09 +00:00
Revert "mac80211: Add TXQ scheduling API"
This reverts commit e937b8da5a.
Turns out that a new driver (mt76) is coming in through
Kalle's tree, and will conflict with this. It also has some
conflicting requirements, so we'll revisit this later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
parent
0973dd45ec
commit
e7881bd594
@ -2574,7 +2574,9 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
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mutex_init(&ar->conf_mutex);
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spin_lock_init(&ar->data_lock);
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spin_lock_init(&ar->txqs_lock);
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INIT_LIST_HEAD(&ar->txqs);
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INIT_LIST_HEAD(&ar->peers);
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init_waitqueue_head(&ar->peer_mapping_wq);
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init_waitqueue_head(&ar->htt.empty_tx_wq);
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@ -347,6 +347,7 @@ struct ath10k_peer {
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};
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struct ath10k_txq {
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struct list_head list;
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unsigned long num_fw_queued;
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unsigned long num_push_allowed;
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};
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@ -894,7 +895,10 @@ struct ath10k {
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/* protects shared structure data */
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spinlock_t data_lock;
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/* protects: ar->txqs, artxq->list */
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spinlock_t txqs_lock;
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struct list_head txqs;
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struct list_head arvifs;
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struct list_head peers;
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struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS];
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@ -3830,10 +3830,12 @@ static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
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return;
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artxq = (void *)txq->drv_priv;
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INIT_LIST_HEAD(&artxq->list);
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}
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static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
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{
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struct ath10k_txq *artxq;
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struct ath10k_skb_cb *cb;
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struct sk_buff *msdu;
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int msdu_id;
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@ -3841,6 +3843,12 @@ static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
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if (!txq)
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return;
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artxq = (void *)txq->drv_priv;
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spin_lock_bh(&ar->txqs_lock);
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if (!list_empty(&artxq->list))
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list_del_init(&artxq->list);
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spin_unlock_bh(&ar->txqs_lock);
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spin_lock_bh(&ar->htt.tx_lock);
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idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) {
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cb = ATH10K_SKB_CB(msdu);
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@ -3970,17 +3978,23 @@ int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
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void ath10k_mac_tx_push_pending(struct ath10k *ar)
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{
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struct ieee80211_hw *hw = ar->hw;
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struct ieee80211_txq *txq, *first = NULL;
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struct ieee80211_txq *txq;
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struct ath10k_txq *artxq;
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struct ath10k_txq *last;
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int ret;
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int max;
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if (ar->htt.num_pending_tx >= (ar->htt.max_num_pending_tx / 2))
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return;
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spin_lock_bh(&ar->txqs_lock);
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rcu_read_lock();
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txq = ieee80211_next_txq(hw);
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while (txq) {
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last = list_last_entry(&ar->txqs, struct ath10k_txq, list);
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while (!list_empty(&ar->txqs)) {
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artxq = list_first_entry(&ar->txqs, struct ath10k_txq, list);
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txq = container_of((void *)artxq, struct ieee80211_txq,
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drv_priv);
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/* Prevent aggressive sta/tid taking over tx queue */
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max = 16;
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@ -3991,21 +4005,18 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar)
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break;
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}
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list_del_init(&artxq->list);
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if (ret != -ENOENT)
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ieee80211_schedule_txq(hw, txq);
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list_add_tail(&artxq->list, &ar->txqs);
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ath10k_htt_tx_txq_update(hw, txq);
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if (first == txq || (ret < 0 && ret != -ENOENT))
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if (artxq == last || (ret < 0 && ret != -ENOENT))
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break;
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if (!first)
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first = txq;
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txq = ieee80211_next_txq(hw);
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}
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rcu_read_unlock();
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spin_unlock_bh(&ar->txqs_lock);
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}
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/************/
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@ -4239,22 +4250,34 @@ static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
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}
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}
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static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw)
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static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
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struct ieee80211_txq *txq)
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{
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struct ieee80211_txq *txq;
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struct ath10k *ar = hw->priv;
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struct ath10k_txq *artxq = (void *)txq->drv_priv;
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struct ieee80211_txq *f_txq;
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struct ath10k_txq *f_artxq;
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int ret = 0;
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int max = 16;
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txq = ieee80211_next_txq(hw);
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spin_lock_bh(&ar->txqs_lock);
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if (list_empty(&artxq->list))
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list_add_tail(&artxq->list, &ar->txqs);
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while (ath10k_mac_tx_can_push(hw, txq) && max--) {
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ret = ath10k_mac_tx_push_txq(hw, txq);
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f_artxq = list_first_entry(&ar->txqs, struct ath10k_txq, list);
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f_txq = container_of((void *)f_artxq, struct ieee80211_txq, drv_priv);
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list_del_init(&f_artxq->list);
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while (ath10k_mac_tx_can_push(hw, f_txq) && max--) {
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ret = ath10k_mac_tx_push_txq(hw, f_txq);
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if (ret)
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break;
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}
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if (ret != -ENOENT)
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ieee80211_schedule_txq(hw, txq);
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list_add_tail(&f_artxq->list, &ar->txqs);
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spin_unlock_bh(&ar->txqs_lock);
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ath10k_htt_tx_txq_update(hw, f_txq);
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ath10k_htt_tx_txq_update(hw, txq);
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}
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@ -246,8 +246,12 @@ struct ath_atx_tid {
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s8 bar_index;
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bool active;
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bool clear_ps_filter;
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bool has_queued;
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};
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void __ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
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void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
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struct ath_node {
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struct ath_softc *sc;
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struct ieee80211_sta *sta; /* station struct we're part of */
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@ -587,7 +591,8 @@ bool ath_drain_all_txq(struct ath_softc *sc);
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void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
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void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
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void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
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void ath_txq_schedule(struct ath_softc *sc);
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void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
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void ath_txq_schedule_all(struct ath_softc *sc);
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int ath_tx_init(struct ath_softc *sc, int nbufs);
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int ath_txq_update(struct ath_softc *sc, int qnum,
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struct ath9k_tx_queue_info *q);
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@ -613,7 +618,7 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
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u16 tids, int nframes,
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enum ieee80211_frame_release_type reason,
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bool more_data);
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void ath9k_wake_tx_queue(struct ieee80211_hw *hw);
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void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue);
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/********/
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/* VIFs */
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@ -266,7 +266,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
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}
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work:
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ath_restart_work(sc);
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ath_txq_schedule(sc);
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ath_txq_schedule_all(sc);
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}
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sc->gtt_cnt = 0;
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@ -1057,6 +1057,8 @@ static void ath_rx_count_airtime(struct ath_softc *sc,
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if (!!(sc->airtime_flags & AIRTIME_USE_RX)) {
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spin_lock_bh(&acq->lock);
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an->airtime_deficit[acno] -= airtime;
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if (an->airtime_deficit[acno] <= 0)
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__ath_tx_queue_tid(sc, ATH_AN_2_TID(an, tidno));
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spin_unlock_bh(&acq->lock);
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}
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ath_debug_airtime(sc, an, airtime, 0);
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@ -112,11 +112,62 @@ void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq)
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ath_tx_status(hw, skb);
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}
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void ath9k_wake_tx_queue(struct ieee80211_hw *hw)
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void __ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
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{
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struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv;
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struct ath_chanctx *ctx = avp->chanctx;
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struct ath_acq *acq;
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struct list_head *tid_list;
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u8 acno = TID_TO_WME_AC(tid->tidno);
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if (!ctx || !list_empty(&tid->list))
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return;
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acq = &ctx->acq[acno];
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if ((sc->airtime_flags & AIRTIME_USE_NEW_QUEUES) &&
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tid->an->airtime_deficit[acno] > 0)
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tid_list = &acq->acq_new;
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else
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tid_list = &acq->acq_old;
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list_add_tail(&tid->list, tid_list);
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}
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void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
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{
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struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv;
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struct ath_chanctx *ctx = avp->chanctx;
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struct ath_acq *acq;
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if (!ctx || !list_empty(&tid->list))
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return;
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acq = &ctx->acq[TID_TO_WME_AC(tid->tidno)];
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spin_lock_bh(&acq->lock);
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__ath_tx_queue_tid(sc, tid);
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spin_unlock_bh(&acq->lock);
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}
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void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_atx_tid *tid = (struct ath_atx_tid *) queue->drv_priv;
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struct ath_txq *txq = tid->txq;
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ath_txq_schedule(sc);
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ath_dbg(common, QUEUE, "Waking TX queue: %pM (%d)\n",
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queue->sta ? queue->sta->addr : queue->vif->addr,
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tid->tidno);
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ath_txq_lock(sc, txq);
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tid->has_queued = true;
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ath_tx_queue_tid(sc, tid);
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ath_txq_schedule(sc, txq);
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ath_txq_unlock(sc, txq);
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}
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static struct ath_frame_info *get_frame_info(struct sk_buff *skb)
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@ -179,10 +230,15 @@ ath_tid_pull(struct ath_atx_tid *tid)
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struct ath_frame_info *fi;
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int q;
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skb = ieee80211_tx_dequeue(hw, txq);
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if (!skb)
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if (!tid->has_queued)
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return NULL;
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skb = ieee80211_tx_dequeue(hw, txq);
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if (!skb) {
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tid->has_queued = false;
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return NULL;
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}
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if (ath_tx_prepare(hw, skb, &txctl)) {
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ieee80211_free_txskb(hw, skb);
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return NULL;
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@ -198,6 +254,12 @@ ath_tid_pull(struct ath_atx_tid *tid)
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return skb;
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}
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static bool ath_tid_has_buffered(struct ath_atx_tid *tid)
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{
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return !skb_queue_empty(&tid->retry_q) || tid->has_queued;
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}
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static struct sk_buff *ath_tid_dequeue(struct ath_atx_tid *tid)
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{
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struct sk_buff *skb;
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@ -609,10 +671,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
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skb_queue_splice_tail(&bf_pending, &tid->retry_q);
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if (!an->sleeping) {
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struct ieee80211_txq *queue = container_of(
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(void *)tid, struct ieee80211_txq, drv_priv);
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ieee80211_schedule_txq(sc->hw, queue);
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ath_tx_queue_tid(sc, tid);
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if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY))
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tid->clear_ps_filter = true;
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@ -660,6 +719,8 @@ static void ath_tx_count_airtime(struct ath_softc *sc, struct ath_node *an,
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spin_lock_bh(&acq->lock);
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an->airtime_deficit[q] -= airtime;
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if (an->airtime_deficit[q] <= 0)
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__ath_tx_queue_tid(sc, tid);
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spin_unlock_bh(&acq->lock);
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}
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ath_debug_airtime(sc, an, 0, airtime);
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@ -709,6 +770,8 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
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} else
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ath_tx_complete_aggr(sc, txq, bf, bf_head, sta, tid, ts, txok);
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if (!flush)
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ath_txq_schedule(sc, txq);
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}
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static bool ath_lookup_legacy(struct ath_buf *bf)
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@ -1443,8 +1506,8 @@ ath_tx_form_burst(struct ath_softc *sc, struct ath_txq *txq,
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} while (1);
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}
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static int ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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struct ath_atx_tid *tid)
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static bool ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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struct ath_atx_tid *tid)
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{
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struct ath_buf *bf;
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struct ieee80211_tx_info *tx_info;
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@ -1452,18 +1515,21 @@ static int ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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int aggr_len = 0;
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bool aggr;
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if (!ath_tid_has_buffered(tid))
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return false;
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INIT_LIST_HEAD(&bf_q);
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bf = ath_tx_get_tid_subframe(sc, txq, tid);
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if (!bf)
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return -ENOENT;
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return false;
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tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
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aggr = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
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if ((aggr && txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) ||
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(!aggr && txq->axq_depth >= ATH_NON_AGGR_MIN_QDEPTH)) {
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__skb_queue_tail(&tid->retry_q, bf->bf_mpdu);
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return -ENOBUFS;
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return false;
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}
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ath_set_rates(tid->an->vif, tid->an->sta, bf);
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@ -1473,7 +1539,7 @@ static int ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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ath_tx_form_burst(sc, txq, tid, &bf_q, bf);
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if (list_empty(&bf_q))
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return -ENOENT;
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return false;
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if (tid->clear_ps_filter || tid->an->no_ps_filter) {
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tid->clear_ps_filter = false;
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@ -1482,7 +1548,7 @@ static int ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
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ath_tx_fill_desc(sc, bf, txq, aggr_len);
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ath_tx_txqaddbuf(sc, txq, &bf_q, false);
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return 0;
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return true;
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}
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int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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@ -1545,49 +1611,52 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_atx_tid *tid;
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struct ieee80211_txq *queue;
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int tidno;
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ath_dbg(common, XMIT, "%s called\n", __func__);
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for (tidno = 0; tidno < IEEE80211_NUM_TIDS; tidno++) {
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tid = ath_node_to_tid(an, tidno);
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queue = container_of((void *)tid,
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struct ieee80211_txq, drv_priv);
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if (!skb_queue_empty(&tid->retry_q))
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ieee80211_sta_set_buffered(sta, tid->tidno, true);
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}
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}
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void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ieee80211_txq *queue;
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struct ath_atx_tid *tid;
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struct ath_txq *txq;
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int tidno;
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bool sched, wake = false;
|
||||
|
||||
ath_dbg(common, XMIT, "%s called\n", __func__);
|
||||
|
||||
for (tidno = 0; tidno < IEEE80211_NUM_TIDS; tidno++) {
|
||||
tid = ath_node_to_tid(an, tidno);
|
||||
txq = tid->txq;
|
||||
queue = container_of((void *)tid,
|
||||
struct ieee80211_txq, drv_priv);
|
||||
|
||||
ath_txq_lock(sc, txq);
|
||||
|
||||
if (list_empty(&tid->list)) {
|
||||
ath_txq_unlock(sc, txq);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!skb_queue_empty(&tid->retry_q))
|
||||
ieee80211_sta_set_buffered(sta, tid->tidno, true);
|
||||
|
||||
list_del_init(&tid->list);
|
||||
|
||||
ath_txq_unlock(sc, txq);
|
||||
}
|
||||
}
|
||||
|
||||
void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an)
|
||||
{
|
||||
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
||||
struct ath_atx_tid *tid;
|
||||
struct ath_txq *txq;
|
||||
int tidno;
|
||||
|
||||
ath_dbg(common, XMIT, "%s called\n", __func__);
|
||||
|
||||
for (tidno = 0; tidno < IEEE80211_NUM_TIDS; tidno++) {
|
||||
tid = ath_node_to_tid(an, tidno);
|
||||
txq = tid->txq;
|
||||
|
||||
ath_txq_lock(sc, txq);
|
||||
tid->clear_ps_filter = true;
|
||||
sched = !skb_queue_empty(&tid->retry_q);
|
||||
ath_txq_unlock(sc, txq);
|
||||
|
||||
if (sched && ieee80211_schedule_txq(sc->hw, queue))
|
||||
wake = true;
|
||||
if (ath_tid_has_buffered(tid)) {
|
||||
ath_tx_queue_tid(sc, tid);
|
||||
ath_txq_schedule(sc, txq);
|
||||
}
|
||||
ath_txq_unlock_complete(sc, txq);
|
||||
}
|
||||
if (wake)
|
||||
ath_txq_schedule(sc);
|
||||
}
|
||||
|
||||
void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
|
||||
@ -1879,44 +1948,86 @@ void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
|
||||
/* For each acq entry, for each tid, try to schedule packets
|
||||
* for transmit until ampdu_depth has reached min Q depth.
|
||||
*/
|
||||
void ath_txq_schedule(struct ath_softc *sc)
|
||||
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
|
||||
{
|
||||
struct ieee80211_hw *hw = sc->hw;
|
||||
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
||||
struct ieee80211_txq *queue;
|
||||
struct ath_atx_tid *tid;
|
||||
struct ath_txq *txq;
|
||||
int ret = 0;
|
||||
struct list_head *tid_list;
|
||||
struct ath_acq *acq;
|
||||
bool active = AIRTIME_ACTIVE(sc->airtime_flags);
|
||||
|
||||
if (txq->mac80211_qnum < 0)
|
||||
return;
|
||||
|
||||
if (test_bit(ATH_OP_HW_RESET, &common->op_flags))
|
||||
return;
|
||||
|
||||
queue = ieee80211_next_txq(hw);
|
||||
if (!queue)
|
||||
return;
|
||||
|
||||
tid = (struct ath_atx_tid *)queue->drv_priv;
|
||||
txq = tid->txq;
|
||||
|
||||
ath_txq_lock(sc, txq);
|
||||
if (txq->mac80211_qnum < 0)
|
||||
goto out;
|
||||
|
||||
spin_lock_bh(&sc->chan_lock);
|
||||
rcu_read_lock();
|
||||
acq = &sc->cur_chan->acq[txq->mac80211_qnum];
|
||||
|
||||
if (!sc->cur_chan->stopped)
|
||||
ret = ath_tx_sched_aggr(sc, txq, tid);
|
||||
if (sc->cur_chan->stopped)
|
||||
goto out;
|
||||
|
||||
rcu_read_unlock();
|
||||
spin_unlock_bh(&sc->chan_lock);
|
||||
begin:
|
||||
tid_list = &acq->acq_new;
|
||||
if (list_empty(tid_list)) {
|
||||
tid_list = &acq->acq_old;
|
||||
if (list_empty(tid_list))
|
||||
goto out;
|
||||
}
|
||||
tid = list_first_entry(tid_list, struct ath_atx_tid, list);
|
||||
|
||||
if (active && tid->an->airtime_deficit[txq->mac80211_qnum] <= 0) {
|
||||
spin_lock_bh(&acq->lock);
|
||||
tid->an->airtime_deficit[txq->mac80211_qnum] += ATH_AIRTIME_QUANTUM;
|
||||
list_move_tail(&tid->list, &acq->acq_old);
|
||||
spin_unlock_bh(&acq->lock);
|
||||
goto begin;
|
||||
}
|
||||
|
||||
if (!ath_tid_has_buffered(tid)) {
|
||||
spin_lock_bh(&acq->lock);
|
||||
if ((tid_list == &acq->acq_new) && !list_empty(&acq->acq_old))
|
||||
list_move_tail(&tid->list, &acq->acq_old);
|
||||
else {
|
||||
list_del_init(&tid->list);
|
||||
}
|
||||
spin_unlock_bh(&acq->lock);
|
||||
goto begin;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* If we succeed in scheduling something, immediately restart to make
|
||||
* sure we keep the HW busy.
|
||||
*/
|
||||
if(ath_tx_sched_aggr(sc, txq, tid)) {
|
||||
if (!active) {
|
||||
spin_lock_bh(&acq->lock);
|
||||
list_move_tail(&tid->list, &acq->acq_old);
|
||||
spin_unlock_bh(&acq->lock);
|
||||
}
|
||||
goto begin;
|
||||
}
|
||||
|
||||
out:
|
||||
rcu_read_unlock();
|
||||
spin_unlock_bh(&sc->chan_lock);
|
||||
}
|
||||
|
||||
if (ret != -ENOENT)
|
||||
ieee80211_schedule_txq(hw, queue);
|
||||
void ath_txq_schedule_all(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_txq *txq;
|
||||
int i;
|
||||
|
||||
ath_txq_unlock(sc, txq);
|
||||
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
|
||||
txq = sc->tx.txq_map[i];
|
||||
|
||||
spin_lock_bh(&txq->axq_lock);
|
||||
ath_txq_schedule(sc, txq);
|
||||
spin_unlock_bh(&txq->axq_lock);
|
||||
}
|
||||
}
|
||||
|
||||
/***********/
|
||||
@ -2534,6 +2645,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
|
||||
|
||||
if (list_empty(&txq->axq_q)) {
|
||||
txq->axq_link = NULL;
|
||||
ath_txq_schedule(sc, txq);
|
||||
break;
|
||||
}
|
||||
bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
|
||||
@ -2585,7 +2697,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
|
||||
ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
|
||||
}
|
||||
ath_txq_unlock_complete(sc, txq);
|
||||
ath_txq_schedule(sc);
|
||||
}
|
||||
|
||||
void ath_tx_tasklet(struct ath_softc *sc)
|
||||
@ -2600,7 +2711,6 @@ void ath_tx_tasklet(struct ath_softc *sc)
|
||||
ath_tx_processq(sc, &sc->tx.txq[i]);
|
||||
}
|
||||
rcu_read_unlock();
|
||||
ath_txq_schedule(sc);
|
||||
}
|
||||
|
||||
void ath_tx_edma_tasklet(struct ath_softc *sc)
|
||||
@ -2686,7 +2796,6 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
|
||||
ath_txq_unlock_complete(sc, txq);
|
||||
}
|
||||
rcu_read_unlock();
|
||||
ath_txq_schedule(sc);
|
||||
}
|
||||
|
||||
/*****************/
|
||||
@ -2766,6 +2875,7 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an)
|
||||
tid->baw_head = tid->baw_tail = 0;
|
||||
tid->active = false;
|
||||
tid->clear_ps_filter = true;
|
||||
tid->has_queued = false;
|
||||
__skb_queue_head_init(&tid->retry_q);
|
||||
INIT_LIST_HEAD(&tid->list);
|
||||
acno = TID_TO_WME_AC(tidno);
|
||||
|
||||
@ -105,12 +105,9 @@
|
||||
* The driver is expected to initialize its private per-queue data for stations
|
||||
* and interfaces in the .add_interface and .sta_add ops.
|
||||
*
|
||||
* The driver can't access the queue directly. To obtain the next queue to pull
|
||||
* frames from, the driver calls ieee80211_next_txq(). To dequeue a frame from a
|
||||
* txq, it calls ieee80211_tx_dequeue(). Whenever mac80211 adds a new frame to a
|
||||
* queue, it calls the .wake_tx_queue driver op. The driver is expected to
|
||||
* re-schedule the txq using ieee80211_schedule_txq() if it is still active
|
||||
* after the driver has finished pulling packets from it.
|
||||
* The driver can't access the queue directly. To dequeue a frame, it calls
|
||||
* ieee80211_tx_dequeue(). Whenever mac80211 adds a new frame to a queue, it
|
||||
* calls the .wake_tx_queue driver op.
|
||||
*
|
||||
* For AP powersave TIM handling, the driver only needs to indicate if it has
|
||||
* buffered packets in the driver specific data structures by calling
|
||||
@ -3734,7 +3731,8 @@ struct ieee80211_ops {
|
||||
struct ieee80211_vif *vif,
|
||||
struct ieee80211_tdls_ch_sw_params *params);
|
||||
|
||||
void (*wake_tx_queue)(struct ieee80211_hw *hw);
|
||||
void (*wake_tx_queue)(struct ieee80211_hw *hw,
|
||||
struct ieee80211_txq *txq);
|
||||
void (*sync_rx_queues)(struct ieee80211_hw *hw);
|
||||
|
||||
int (*start_nan)(struct ieee80211_hw *hw,
|
||||
@ -5885,36 +5883,13 @@ void ieee80211_unreserve_tid(struct ieee80211_sta *sta, u8 tid);
|
||||
* ieee80211_tx_dequeue - dequeue a packet from a software tx queue
|
||||
*
|
||||
* @hw: pointer as obtained from ieee80211_alloc_hw()
|
||||
* @txq: pointer obtained from ieee80211_next_txq()
|
||||
* @txq: pointer obtained from station or virtual interface
|
||||
*
|
||||
* Returns the skb if successful, %NULL if no frame was available.
|
||||
*/
|
||||
struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
|
||||
struct ieee80211_txq *txq);
|
||||
|
||||
/**
|
||||
* ieee80211_schedule_txq - add txq to scheduling loop
|
||||
*
|
||||
* @hw: pointer as obtained from ieee80211_alloc_hw()
|
||||
* @txq: pointer obtained from station or virtual interface
|
||||
*
|
||||
* Returns %true if the txq was actually added to the scheduling,
|
||||
* %false otherwise.
|
||||
*/
|
||||
bool ieee80211_schedule_txq(struct ieee80211_hw *hw,
|
||||
struct ieee80211_txq *txq);
|
||||
|
||||
/**
|
||||
* ieee80211_next_txq - get next tx queue to pull packets from
|
||||
*
|
||||
* @hw: pointer as obtained from ieee80211_alloc_hw()
|
||||
*
|
||||
* Returns the next txq if successful, %NULL if no queue is eligible. If a txq
|
||||
* is returned, it will have been removed from the scheduler queue and needs to
|
||||
* be re-scheduled with ieee80211_schedule_txq() to continue to be active.
|
||||
*/
|
||||
struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw);
|
||||
|
||||
/**
|
||||
* ieee80211_txq_get_depth - get pending frame/byte count of given txq
|
||||
*
|
||||
|
||||
@ -226,13 +226,9 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable)
|
||||
clear_bit(IEEE80211_TXQ_AMPDU, &txqi->flags);
|
||||
|
||||
clear_bit(IEEE80211_TXQ_STOP, &txqi->flags);
|
||||
|
||||
if (!ieee80211_schedule_txq(&sta->sdata->local->hw, txq))
|
||||
return;
|
||||
|
||||
local_bh_disable();
|
||||
rcu_read_lock();
|
||||
drv_wake_tx_queue(sta->sdata->local);
|
||||
drv_wake_tx_queue(sta->sdata->local, txqi);
|
||||
rcu_read_unlock();
|
||||
local_bh_enable();
|
||||
}
|
||||
|
||||
@ -1158,10 +1158,16 @@ drv_tdls_recv_channel_switch(struct ieee80211_local *local,
|
||||
trace_drv_return_void(local);
|
||||
}
|
||||
|
||||
static inline void drv_wake_tx_queue(struct ieee80211_local *local)
|
||||
static inline void drv_wake_tx_queue(struct ieee80211_local *local,
|
||||
struct txq_info *txq)
|
||||
{
|
||||
trace_drv_wake_tx_queue(local);
|
||||
local->ops->wake_tx_queue(&local->hw);
|
||||
struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
|
||||
|
||||
if (!check_sdata_in_driver(sdata))
|
||||
return;
|
||||
|
||||
trace_drv_wake_tx_queue(local, sdata, txq);
|
||||
local->ops->wake_tx_queue(&local->hw, &txq->txq);
|
||||
}
|
||||
|
||||
static inline int drv_start_nan(struct ieee80211_local *local,
|
||||
|
||||
@ -832,7 +832,6 @@ struct txq_info {
|
||||
struct codel_vars def_cvars;
|
||||
struct codel_stats cstats;
|
||||
struct sk_buff_head frags;
|
||||
struct list_head schedule_order;
|
||||
unsigned long flags;
|
||||
|
||||
/* keep last! */
|
||||
@ -1123,10 +1122,6 @@ struct ieee80211_local {
|
||||
struct codel_vars *cvars;
|
||||
struct codel_params cparams;
|
||||
|
||||
/* protects active_txqs and txqi->schedule_order */
|
||||
spinlock_t active_txq_lock;
|
||||
struct list_head active_txqs;
|
||||
|
||||
const struct ieee80211_ops *ops;
|
||||
|
||||
/*
|
||||
|
||||
@ -619,9 +619,6 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
|
||||
spin_lock_init(&local->rx_path_lock);
|
||||
spin_lock_init(&local->queue_stop_reason_lock);
|
||||
|
||||
INIT_LIST_HEAD(&local->active_txqs);
|
||||
spin_lock_init(&local->active_txq_lock);
|
||||
|
||||
INIT_LIST_HEAD(&local->chanctx_list);
|
||||
mutex_init(&local->chanctx_mtx);
|
||||
|
||||
|
||||
@ -1237,17 +1237,12 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
|
||||
drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
|
||||
|
||||
if (sta->sta.txq[0]) {
|
||||
bool wake = false;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
|
||||
if (!txq_has_queue(sta->sta.txq[i]))
|
||||
continue;
|
||||
|
||||
if (ieee80211_schedule_txq(&local->hw, sta->sta.txq[i]))
|
||||
wake = true;
|
||||
drv_wake_tx_queue(local, to_txq_info(sta->sta.txq[i]));
|
||||
}
|
||||
if (wake)
|
||||
drv_wake_tx_queue(local);
|
||||
}
|
||||
|
||||
skb_queue_head_init(&pending);
|
||||
|
||||
@ -2550,9 +2550,35 @@ TRACE_EVENT(drv_tdls_recv_channel_switch,
|
||||
)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(local_only_evt, drv_wake_tx_queue,
|
||||
TP_PROTO(struct ieee80211_local *local),
|
||||
TP_ARGS(local)
|
||||
TRACE_EVENT(drv_wake_tx_queue,
|
||||
TP_PROTO(struct ieee80211_local *local,
|
||||
struct ieee80211_sub_if_data *sdata,
|
||||
struct txq_info *txq),
|
||||
|
||||
TP_ARGS(local, sdata, txq),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
LOCAL_ENTRY
|
||||
VIF_ENTRY
|
||||
STA_ENTRY
|
||||
__field(u8, ac)
|
||||
__field(u8, tid)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
struct ieee80211_sta *sta = txq->txq.sta;
|
||||
|
||||
LOCAL_ASSIGN;
|
||||
VIF_ASSIGN;
|
||||
STA_ASSIGN;
|
||||
__entry->ac = txq->txq.ac;
|
||||
__entry->tid = txq->txq.tid;
|
||||
),
|
||||
|
||||
TP_printk(
|
||||
LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " ac:%d tid:%d",
|
||||
LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->ac, __entry->tid
|
||||
)
|
||||
);
|
||||
|
||||
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
|
||||
|
||||
@ -1439,7 +1439,6 @@ void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
|
||||
codel_vars_init(&txqi->def_cvars);
|
||||
codel_stats_init(&txqi->cstats);
|
||||
__skb_queue_head_init(&txqi->frags);
|
||||
INIT_LIST_HEAD(&txqi->schedule_order);
|
||||
|
||||
txqi->txq.vif = &sdata->vif;
|
||||
|
||||
@ -1463,7 +1462,6 @@ void ieee80211_txq_purge(struct ieee80211_local *local,
|
||||
|
||||
fq_tin_reset(fq, tin, fq_skb_free_func);
|
||||
ieee80211_purge_tx_queue(&local->hw, &txqi->frags);
|
||||
list_del_init(&txqi->schedule_order);
|
||||
}
|
||||
|
||||
int ieee80211_txq_setup_flows(struct ieee80211_local *local)
|
||||
@ -1560,8 +1558,7 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local,
|
||||
ieee80211_txq_enqueue(local, txqi, skb);
|
||||
spin_unlock_bh(&fq->lock);
|
||||
|
||||
if (ieee80211_schedule_txq(&local->hw, &txqi->txq))
|
||||
drv_wake_tx_queue(local);
|
||||
drv_wake_tx_queue(local, txqi);
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -3556,50 +3553,6 @@ out:
|
||||
}
|
||||
EXPORT_SYMBOL(ieee80211_tx_dequeue);
|
||||
|
||||
bool ieee80211_schedule_txq(struct ieee80211_hw *hw,
|
||||
struct ieee80211_txq *txq)
|
||||
{
|
||||
struct ieee80211_local *local = hw_to_local(hw);
|
||||
struct txq_info *txqi = to_txq_info(txq);
|
||||
bool ret = false;
|
||||
|
||||
spin_lock_bh(&local->active_txq_lock);
|
||||
|
||||
if (list_empty(&txqi->schedule_order)) {
|
||||
list_add_tail(&txqi->schedule_order, &local->active_txqs);
|
||||
ret = true;
|
||||
}
|
||||
|
||||
spin_unlock_bh(&local->active_txq_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(ieee80211_schedule_txq);
|
||||
|
||||
struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw)
|
||||
{
|
||||
struct ieee80211_local *local = hw_to_local(hw);
|
||||
struct txq_info *txqi = NULL;
|
||||
|
||||
spin_lock_bh(&local->active_txq_lock);
|
||||
|
||||
if (list_empty(&local->active_txqs))
|
||||
goto out;
|
||||
|
||||
txqi = list_first_entry(&local->active_txqs,
|
||||
struct txq_info, schedule_order);
|
||||
list_del_init(&txqi->schedule_order);
|
||||
|
||||
out:
|
||||
spin_unlock_bh(&local->active_txq_lock);
|
||||
|
||||
if (!txqi)
|
||||
return NULL;
|
||||
|
||||
return &txqi->txq;
|
||||
}
|
||||
EXPORT_SYMBOL(ieee80211_next_txq);
|
||||
|
||||
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
|
||||
struct net_device *dev,
|
||||
u32 info_flags)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user