On Sat, 27 Feb 2021 09:16:38 -0800 John Fastabend wrote:
> Willem de Bruijn wrote:
> > On Fri, Feb 26, 2021 at 4:23 PM Daniel Borkmann
> > wrote:
> > >
> > > We noticed a GRO issue for UDP-based encaps such as vxlan/geneve when the
> > > csum for the UDP header itself is 0. In that case, GRO ag
Willem de Bruijn wrote:
> On Fri, Feb 26, 2021 at 4:23 PM Daniel Borkmann wrote:
> >
> > We noticed a GRO issue for UDP-based encaps such as vxlan/geneve when the
> > csum for the UDP header itself is 0. In that case, GRO aggregation does
> > not take place on the phys dev, but instead is deferred
On Fri, Feb 26, 2021 at 4:23 PM Daniel Borkmann wrote:
>
> We noticed a GRO issue for UDP-based encaps such as vxlan/geneve when the
> csum for the UDP header itself is 0. In that case, GRO aggregation does
> not take place on the phys dev, but instead is deferred to the vxlan/geneve
> driver (see
We noticed a GRO issue for UDP-based encaps such as vxlan/geneve when the
csum for the UDP header itself is 0. In that case, GRO aggregation does
not take place on the phys dev, but instead is deferred to the vxlan/geneve
driver (see trace below).
The reason is essentially that GRO aggregation bai
