mac80211: Re-enable aggregation

Wireless HW without any dedicated queues for aggregation
do not need the ampdu_queues mechanism present right now
in mac80211. Since mac80211 is still incomplete wrt TX MQ
changes, do not allow aggregation sessions for drivers that
set ampdu_queues.

This is only an interim hack until Intel fixes the requeue issue.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Luis Rodriguez <Luis.Rodriguez@Atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 88c1975a97a5..fa0cc7a1e6b4 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -386,8 +386,6 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
                                             struct sta_info *sta,
                                             struct sk_buff *skb)
 {
-        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
         sta->tx_filtered_count++;
 
         /*
@@ -434,10 +432,9 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
                 return;
         }
 
-        if (!test_sta_flags(sta, WLAN_STA_PS) &&
-            !(info->flags & IEEE80211_TX_CTL_REQUEUE)) {
+        if (!test_sta_flags(sta, WLAN_STA_PS) && !skb->requeue) {
                 /* Software retry the packet once */
-                info->flags |= IEEE80211_TX_CTL_REQUEUE;
+                skb->requeue = 1;
                 ieee80211_remove_tx_extra(local, sta->key, skb);
                 dev_queue_xmit(skb);
                 return;