Re: [PATCH 0/2] fix kernel crash with macvtap on top of LRO

From: Michael S. Tsirkin
Date: Mon Jun 10 2013 - 03:06:50 EST

On Thu, Feb 07, 2013 at 01:14:20PM -0500, David Miller wrote:
> From: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
> Date: Thu, 7 Feb 2013 16:20:46 +0000
> > If the consensus is still that we must preserve packets exactly (aside
> > from the usual modifications by IP routers) then LRO should be disabled
> > on all devices for which forwarding is enabled.
> I believe this is still undoubtedly the consensus.

With virtio we are getting packets from a linux host,
so we could thinkably preserve packets exactly
even with LRO. I am guessing other hardware could be
doing this as well.

I am not sure what information would need to be preserved -
could someone help clarify please?

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