From: Derrick Pallas <pallas@meraki.com>
Date: Wed, 18 Feb 2015 08:50:25 +0000 (-0800)
Subject: ethernet/ixp4xx: prevent allmulti from clobbering promisc
X-Git-Tag: omap-for-v4.1/wl12xx-dt~68^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f81edc6ac1e1e2e2cbe98bcd6ef5ebb7afb00807;p=pandora-kernel.git

ethernet/ixp4xx: prevent allmulti from clobbering promisc

If both promisc and allmulti are set, promisc should trump allmulti and
disable the MAC filter; otherwise, the interface is not really promisc.

Previously, this code checked IFF_ALLMULTI prior to and without regard for
IFF_PROMISC; if both were set, only multicast and direct unicast traffic
would make it through the filter.

Signed-off-by: Derrick Pallas <pallas@meraki.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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