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-rw-r--r--net/mac80211/rx.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 24d41705ac0b..d052f4004829 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2551,6 +2551,18 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
return;
}
+ /*
+ * In theory, the block ack reordering should happen after duplicate
+ * removal (ieee80211_rx_h_check(), which is an RX handler). As such,
+ * the call to ieee80211_rx_reorder_ampdu() should really be moved to
+ * happen as a new RX handler between ieee80211_rx_h_check and
+ * ieee80211_rx_h_decrypt. This cleanup may eventually happen, but for
+ * the time being, the call can be here since RX reorder buf processing
+ * will implicitly skip duplicates. We could, in theory at least,
+ * process frames that ieee80211_rx_h_passive_scan would drop (e.g.,
+ * frames from other than operational channel), but that should not
+ * happen in normal networks.
+ */
if (!ieee80211_rx_reorder_ampdu(local, skb, status))
__ieee80211_rx_handle_packet(hw, skb, status, rate);