Re: [PATCHv2] IPv6: Allow the MTU of ipip6 tunnel to be set below1280

[David Miller]

From: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 4 Oct 2013 15:32:23 +0200

> On Thu, Oct 03, 2013 at 02:49:26PM +0100, Oussama Ghorbel wrote:
>> The (inner) MTU of a ipip6 (IPv4-in-IPv6) tunnel cannot be set below 1280, which is the minimum MTU in IPv6.
>> However, there should be no IPv6 on the tunnel interface at all, so the IPv6 rules should not apply.
>> More info at https://bugzilla.kernel.org/show_bug.cgi?id=15530
>> 
>> This patch allows to check the minimum MTU for ipv6 tunnel according to these rules:
>> -In case the tunnel is configured with ipip6 mode the minimum MTU is 68.
>> -In case the tunnel is configured with ip6ip6 or any mode the minimum MTU is 1280.
>> 
>> Signed-off-by: Oussama Ghorbel <ou.ghorbel@xxxxxxxxx>
 ...
> Acked-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>

Applied, but please do not capitalize "IPv6" when using it as a subsystem
prefix in Subject lines.

Thanks.
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