Subject: Re: [PATCH net-next 2/4] udp: Handle large UFO packets from untrusted sources

From: Rusty Russell <[email-masked]>
Date: Wed, 10 Jun 2009 13:10:40 +0930

On Mon, 8 Jun 2009 02:46:08 pm Herbert Xu wrote:
> On Fri, Jun 05, 2009 at 05:16:31PM -0700, Sridhar Samudrala wrote:
> > +	/* Software UFO is not yet supported */
> > +	segs = ERR_PTR(-EPROTONOSUPPORT);
>
> Hmm, we need to fill this in before you start using it for virt.
> After all, it's very difficult for the guest to know whether the
> output device on the host is going to be able to do UFO or not.

Yep, no point telling the guest we support UFO if we don't!

Cheers,
Rusty.