[ovs-discuss] OVS layer3 GRE support

[Ben Pfaff]

Oh, I see.

Lori or Simon, are you planning to send patches for master?

On Mon, Apr 24, 2017 at 06:42:07PM +0000, Hexin Wang wrote:
> Right. I was specifically referring to the OVS layer3 tunnel support originated by Lorand Jakab and Simon Horman.
> The changes made in kernel data path is merged back to Linux mainline by Jiri Benc. But the user space OVS changes are missing in ovs main tree.
> 
> Thanks.
> 
> Hexin
> 
> 
> 
> 
> On 4/24/17, 11:37 AM, "Ben Pfaff" <blp at ovn.org> wrote:
> 
> >On Mon, Apr 24, 2017 at 06:25:07PM +0000, Hexin Wang wrote:
> >> I got a question on OVS layer3 GRE tunnel support. The OVS kernel
> >> piece that supports layer 3 GRE is merged into linux upstream since
> >> 4.10 RC6. Do we need any extra user land OVS merge for it to work
> >> end-to-end? I am referring to the “options:layer3=true” ovs-vsctl
> >> interface changes. Essentially, how is “push_mpls” action triggering
> >> the pop_eth action in kernel data path?
> >
> >This is not a subject I know well.  That said, it looks like OVS
> >userspace doesn't currently support layer-3 GRE tunnels in an
> >appropriate way.  I mainly base this on the code in
> >netdev_vport_is_layer3(), which considers only LISP ports to be layer-3
> >ports.