diff options
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 842881ca8f20..18381581b5e9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3566,7 +3566,7 @@ bool ieee80211_schedule_txq(struct ieee80211_hw *hw, spin_lock_bh(&local->active_txq_lock); if (list_empty(&txqi->schedule_order)) { - list_add_tail(&txqi->schedule_order, &local->active_txqs); + list_add_tail(&txqi->schedule_order, &local->active_txqs_new); ret = true; } @@ -3580,14 +3580,35 @@ struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); struct txq_info *txqi = NULL; + struct list_head *head; spin_lock_bh(&local->active_txq_lock); - if (list_empty(&local->active_txqs)) - goto out; +begin: + head = &local->active_txqs_new; + if (list_empty(head)) { + head = &local->active_txqs_old; + if (list_empty(head)) + goto out; + } + + txqi = list_first_entry(head, struct txq_info, schedule_order); + + if (txqi->txq.sta) { + struct sta_info *sta = container_of(txqi->txq.sta, + struct sta_info, sta); + + spin_lock_bh(&sta->lock); + if (sta->airtime_deficit < 0) { + sta->airtime_deficit += IEEE80211_AIRTIME_QUANTUM; + list_move_tail(&txqi->schedule_order, + &local->active_txqs_old); + spin_unlock_bh(&sta->lock); + goto begin; + } + spin_unlock_bh(&sta->lock); + } - txqi = list_first_entry(&local->active_txqs, - struct txq_info, schedule_order); list_del_init(&txqi->schedule_order); out: |