2011-02-04 18:20:14

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH] 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 <[email protected]>
---
net/mac80211/rx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7185c93..65bc1f4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -815,7 +815,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
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;
}
--
1.7.3.2