netdev - Re: [PATCH v4 net-next] udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts

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Message-Id: <20141107.154647.1153472232949337302.davem@redhat.com>
Date:	Fri, 07 Nov 2014 15:46:47 -0500 (EST)
From:	David Miller <davem@...hat.com>
To:	raj@...dy.usa.hp.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v4 net-next] udp: Increment UDP_MIB_IGNOREDMULTI for
 arriving unmatched multicasts

From: raj@...dy.usa.hp.com (Rick Jones)
Date: Thu,  6 Nov 2014 10:37:54 -0800 (PST)

> From: Rick Jones <rick.jones2@...com>
> 
> As NIC multicast filtering isn't perfect, and some platforms are
> quite content to spew broadcasts, we should not trigger an event
> for skb:kfree_skb when we do not have a match for such an incoming
> datagram.  We do though want to avoid sweeping the matter under the
> rug entirely, so increment a suitable statistic.
> 
> This incorporates feedback from David L. Stevens, Karl Neiss and Eric
> Dumazet.
> 
> V3 - use bool per David Miller
> 
> Signed-off-by: Rick Jones <rick.jones2@...com>

Applied, thanks Rick.
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