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authorChristian Lamparter <chunkeey@googlemail.com>2012-07-07 17:13:08 +0400
committerJohannes Berg <johannes.berg@intel.com>2012-07-07 23:35:42 +0400
commit2f7916f8d6761e039a117ff560a85a20edb796de (patch)
treee28fb49b0218410fa1cdb065d0d0a0543b7e1b36 /net/mac80211/agg-tx.c
parent4d6d0ae2a088e1e054ef6d96ceb1b41523291e71 (diff)
downloadlinux-2f7916f8d6761e039a117ff560a85a20edb796de.tar.xz
mac80211: request TX status for BlockAck Requests
Because ieee80211_tx_status in status.c checks if outgoing BlockAck requests have been acked, it is necessary to tell the driver that tx feedback for this sort of frame is important. Otherwise, the stack will continue to send the same BlockAck request over and over, which can cause the receiver to flush or clean its reorder buffer over and over. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/agg-tx.c')
-rw-r--r--net/mac80211/agg-tx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 5cc1bf7d8033..d0deb3edae21 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -135,7 +135,8 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn)
bar->control = cpu_to_le16(bar_control);
bar->start_seq_num = cpu_to_le16(ssn);
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
ieee80211_tx_skb_tid(sdata, skb, tid);
}
EXPORT_SYMBOL(ieee80211_send_bar);