Re: [PATCH qemu-kvm] Enable UFO on virtio-net and tap devices

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On Fri, Oct 09, 2009 at 08:11:28AM +0100, Mark McLoughlin wrote:
> On Thu, 2009-10-08 at 15:31 -0700, Sridhar Samudrala wrote:
> > On Thu, 2009-10-08 at 11:07 +0100, Mark McLoughlin wrote:
> > > On Wed, 2009-10-07 at 14:50 -0700, Sridhar Samudrala wrote:
> > > > linux 2.6.32 includes UDP fragmentation offload support in software. 
> > > > So we can enable UFO on the host tap device if supported and allow setting
> > > > UFO on virtio-net in the guest.
> > > 
> > > Hmm, we really need to detect whether the host has tuntap UFO support
> > > before advertising it to the guest. Maybe in net_tap_fd_init() we should
> > > toggle TUN_F_UFO back and forth and check for EINVAL?
> > 
> > Sure. Here is an updated patch that checks for UFO support in host.
> 
> Looks good to me, thanks
> 
> Acked-by: Mark McLoughlin <markmc@xxxxxxxxxx>

Applied, thanks.

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