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Date:	Thu, 10 Apr 2014 17:40:24 -0700
From:	Eric Dumazet <>
To:	Hannes Frederic Sowa <>
Cc:	Francois WELLENREITER <>,
Subject: Re: Does IPv6 support Jumbograms ?

On Fri, 2014-04-11 at 01:54 +0200, Hannes Frederic Sowa wrote:

> > #define IP6_MAX_MTU (65535 + 40)
>                              ^ minus
> I think we should do that. Otherwise we would have to start supporting
> jumbograms in the output path generally.

Why 'minus' ?

hdr->payload_len = htons(seg_len);

seg_len doesn't include the IPv6 header.

So it seems we can use up to 65575 for the device mtu ?

Anyway I am testing the patch ;)

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