Subject: Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

From: Florian Westphal <[email-masked]>
Date: Wed, 29 Jan 2014 11:53:47 +0100

Hannes Frederic Sowa <[email-masked]> wrote:
> > TCP stream not using DF flag are very unlikely to care if we adjust
> > their MTU (lowering gso_size) at this point ?
> 
> UDP shouldn't be a problem, too.

Sorry for late reply, but how can this be safe for UDP?
We should make sure that peer sees original, unchanged datagram?

And only solution for UDP that I can see is to do sw segmentation (i.e.
create ip fragments).

Thanks,
Florian