Re: [Xen-devel] xennet: skb rides the rocket: 20 slots

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2013-01-11 at 10:09 +0000, Paul Durrant wrote:
> > -----Original Message-----
> > Without GSO I don't think you should be seeing packets larger than the MTU,
> > which would normally be either ~1500 or ~9000 and fit easily within any
> > sensible negotiation for the max frags. I don't think you should worry 
> > unduly
> > about this case.
> > 
> 
> A stack could still send down a packet with one byte per frag though,
> right? A copy-and-coalesce path would still be needed in this case.

True. In that case skb_linearise would probably do the job on Linux.

Ian


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