[Bloat] GSO (was: Please enter issues into the issue tracker - Issue system organisation needed)

[Eric Dumazet]

Le vendredi 25 février 2011 à 16:48 +0100, Jesper Dangaard Brouer a
écrit :
> > > I'm wondering if LRO (Large-Receive-Offload) affect you, when you are
> > > using SFQ on ingress?
> > > 
> > > 
> > 
> > GRO/LRO can have an impact, for sure. But most 'current' kernels dont
> > have GRO/LRO by default. I mean, kernels in use by 2-3 years old
> > distros.
> 
> Hmm, are you sure?
> The speed test server runs Debian Lenny and kernel 2.6.26-2-686, and had
> GSO enabled...

I am sure about GRO (Receive) side. It was mostly disabled on old
kernels. Only very recently we switched it ON.