netdev - Re: [PATCH] bridge: mcast snooping, fix IPv6 MLD checksum calculation

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Message-Id: <20110330.022924.52196184.davem@davemloft.net>
Date:	Wed, 30 Mar 2011 02:29:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	linus.luessing@....de
Cc:	bridge@...ts.linux-foundation.org, shemminger@...ux-foundation.org,
	yoshfuji@...ux-ipv6.org, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org
Subject: Re: [PATCH] bridge: mcast snooping, fix IPv6 MLD checksum
 calculation

From: Linus Lüssing <linus.luessing@....de>
Date: Sun, 27 Mar 2011 08:27:23 +0200

> In contrast to IGMP, the MLDv1/2 message checksum needs to include an
> IPv6 "pseudo-header" in the calculations (see RFC2710, section 3.3;
> RFC3810, section 5.1.2).
> 
> The multicast snooping feature of the bridge code however did not take
> this "pseudo-header" into consideration for the checksum validation when
> parsing a snooped IPv6 MLDv1/2 message of another host, leading to
> possibly ignored, though valid MLDv1/2 messages. This commit shall fix
> this issue.
> 
> Signed-off-by: Linus Lüssing <linus.luessing@....de>

I'm waiting for am updated version of this patch which addresses Herbert
Xu's feedback.
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