From: Christian Lamparter Date: Sat, 7 Jul 2012 13:13:08 +0000 (+0200) Subject: mac80211: request TX status for BlockAck Requests X-Git-Tag: v3.6-rc1~125^2~57^2~1^2~42 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f7916f8d6761e039a117ff560a85a20edb796de;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git 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 Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 5cc1bf7..d0deb3e 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);