Commit b1f93314 authored Feb 04, 2011 by Felix Fietkau Committed by John W. Linville Feb 04, 2011

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>

parent 8e546104

net/mac80211/rx.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -815,7 +815,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
	rx->local->dot11FrameDuplicateCount++;		rx->local->dot11FrameDuplicateCount++;
	rx->sta->num_duplicates++;		rx->sta->num_duplicates++;
	}		}
	return RX_DROP_MONITOR;		return RX_DROP_UNUSABLE;
	} else		} else
	rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;		rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
	}		}