Re: [net] vxlan: fix vxlan6_get_route() adding a call to xfrm_lookup_route()

From: Andrea Mayer
Date: Thu Jan 16 2020 - 08:29:08 EST


On Wed, 15 Jan 2020 22:16:21 +0100
Sabrina Dubroca <sd@xxxxxxxxxxxxxxx> wrote:

> 2020-01-15, 20:22:31 +0100, Andrea Mayer wrote:
> > currently IPSEC cannot be used to encrypt/decrypt IPv6 vxlan traffic.
> > The problem is that the vxlan module uses the vxlan6_get_route()
> > function to find out the route for transmitting an IPv6 packet, which in
> > turn uses ip6_dst_lookup() available in ip6_output.c.
> > Unfortunately ip6_dst_lookup() does not perform any xfrm route lookup,
> > so the xfrm framework cannot be used with vxlan6.
>
> That's not the case anymore, since commit 6c8991f41546 ("net:
> ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup").
>
> Can you retest on the latest net tree?
>
> Thanks.
>
> --
> Sabrina
>

Hi Sabrina,
thanks for sharing the fix.
Sorry, my net tree was a bit outdated. I will retest with the fix and let you know.

--
Andrea Mayer <andrea.mayer@xxxxxxxxxxx>