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mac80211: do not send duplicate data frames to the cooked monitor interface

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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>
This commit is contained in:
Felix Fietkau 2011-02-04 19:20:08 +01:00 committed by John W. Linville
parent 8e5461041f
commit b1f93314bf
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/rx.c
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@ -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;
}