Re: [PATCH AUTOSEL 4.9 89/99] vrf: mark skb for multicast or link-local as enslaved to VRF

[Sasha Levin]

On Sun, Nov 17, 2019 at 09:44:38AM -0700, David Ahern wrote:
> On 11/16/19 8:50 AM, Sasha Levin wrote:
> > From: Mike Manning <mmanning@xxxxxxxxxxxxxxxxxxx>
> >
> > [ Upstream commit 6f12fa775530195a501fb090d092c637f32d0cc5 ]
> >
> > The skb for packets that are multicast or to a link-local address are
> > not marked as being enslaved to a VRF, if they are received on a socket
> > bound to the VRF. This is needed for ND and it is preferable for the
> > kernel not to have to deal with the additional use-cases if ll or mcast
> > packets are handled as enslaved. However, this does not allow service
> > instances listening on unbound and bound to VRF sockets to distinguish
> > the VRF used, if packets are sent as multicast or to a link-local
> > address. The fix is for the VRF driver to also mark these skb as being
> > enslaved to the VRF.
> >
> > Signed-off-by: Mike Manning <mmanning@xxxxxxxxxxxxxxxxxxx>
> > Reviewed-by: David Ahern <dsahern@xxxxxxxxx>
> > Tested-by: David Ahern <dsahern@xxxxxxxxx>
> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > ---
> >  drivers/net/vrf.c | 19 +++++++++----------
> >  1 file changed, 9 insertions(+), 10 deletions(-)
>
> backporting this patch and it's bug fix, "ipv6: Fix handling of LLA with
> VRF and sockets bound to VRF" to 4.14 is a bit questionable. They
> definitely do not need to come back to 4.9.

I'll drop it, thanks.

--
Thanks,
Sasha