Commit 890030d3 authored Feb 22, 2017 by Felix Fietkau Committed by Johannes Berg Feb 27, 2017

mac80211: don't handle filtered frames within a BA session



When running a BA session, the driver (or the hardware) already takes
care of retransmitting failed frames, since it has to keep the receiver
reorder window in sync.

Adding another layer of retransmit around that does not improve
anything. In fact, it can only lead to some strong reordering with huge
latency.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 8fbcfeb8

net/mac80211/status.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -51,7 +51,8 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
		struct ieee80211_hdr hdr = (void )skb->data;
		int ac;

		if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER) {
		if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER \|
		IEEE80211_TX_CTL_AMPDU)) {
		ieee80211_free_txskb(&local->hw, skb);
		return;
		}

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