netdev - Re: [RFC] sctp/tcp: Question -- ICMPv4 length check (not) redundant?

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Message-Id: <20080730.031935.61479223.davem@davemloft.net>
Date:	Wed, 30 Jul 2008 03:19:35 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	gerrit@....abdn.ac.uk, netdev@...r.kernel.org
Subject: Re: [RFC] sctp/tcp: Question -- ICMPv4 length check (not)
 redundant?

From: Vlad Yasevich <vladislav.yasevich@...com>
Date: Mon, 28 Jul 2008 14:09:55 -0400

> The IPv6 checks are much different.  The MUST requirement is to provide as much
> data as possible upto IPv6 min mtu.  So, the IPv6 icmp code should probably look
> to see if min(payload_len, min_mtu) is provided.

"Be liberal in what you accept..." -Jon Postel

Also, do you know any case where 576 bytes won't provide enough
quoted packet bytes? :-)
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