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- From: Felix Fietkau <nbd@nbd.name>
- Date: Wed, 22 Feb 2017 16:13:17 +0100
- Subject: [PATCH] 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>
- ---
- --- a/net/mac80211/status.c
- +++ b/net/mac80211/status.c
- @@ -51,7 +51,8 @@ static void ieee80211_handle_filtered_fr
- 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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