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/rx.c b/net/mac80211/rx.c
index c4c95f1db605..648a1d0e6c82 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -669,7 +669,6 @@ static int ap_sta_ps_end(struct sta_info *sta)
         struct ieee80211_local *local = sdata->local;
         struct sk_buff *skb;
         int sent = 0;
-        struct ieee80211_tx_info *info;
 
         atomic_dec(&sdata->bss->num_sta_ps);
 
@@ -685,13 +684,11 @@ static int ap_sta_ps_end(struct sta_info *sta)
 
         /* Send all buffered frames to the station */
         while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
-                info = IEEE80211_SKB_CB(skb);
                 sent++;
-                info->flags |= IEEE80211_TX_CTL_REQUEUE;
+                skb->requeue = 1;
                 dev_queue_xmit(skb);
         }
         while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
-                info = IEEE80211_SKB_CB(skb);
                 local->total_ps_buffered--;
                 sent++;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
@@ -699,7 +696,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
                        "since STA not sleeping anymore\n", sdata->dev->name,
                        sta->sta.addr, sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-                info->flags |= IEEE80211_TX_CTL_REQUEUE;
+                skb->requeue = 1;
                 dev_queue_xmit(skb);
         }