Return-path: Received: from nbd.name ([46.4.11.11]:58497 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161Ab1BDSUO (ORCPT ); Fri, 4 Feb 2011 13:20:14 -0500 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: linville@tuxdriver.com, johannes@sipsolutions.net Subject: [PATCH] mac80211: do not send duplicate data frames to the cooked monitor interface Date: Fri, 4 Feb 2011 19:20:08 +0100 Message-Id: <1296843608-90133-1-git-send-email-nbd@openwrt.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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