mac80211: do not send duplicate data frames to the cooked monitor interface
I can't think of a valid use case for this aside from debugging (which can
also be done with a real monitor interface), and dropping these frames saves
some precious CPU cycles.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b37c341..753ffc4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -815,7 +815,7 @@
rx->local->dot11FrameDuplicateCount++;
rx->sta->num_duplicates++;
}
- return RX_DROP_MONITOR;
+ return RX_DROP_UNUSABLE;
} else
rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
}