Revert "mac80211: Add airtime account and scheduling to TXQs"

This reverts commit b0d52ad821843a6c5badebd80feef9f871904fa6.

We need to revert the TXQ scheduling API due to conflicts
with a new driver, and this depends on that API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 5 insertions, 26 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 18381581b5e9..842881ca8f20 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_new);
+		list_add_tail(&txqi->schedule_order, &local->active_txqs);
 		ret = true;
 	}
 
@@ -3580,35 +3580,14 @@ 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);
 
-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);
-	}
+	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: