Re: [net-next,v2,4/5] seg6: add support for the SRv6 End.DT4 behavior

[Stefano Salsano]

Il 2020-11-13 17:55, Jakub Kicinski ha scritto:
> On Thu, 12 Nov 2020 18:49:17 -0700 David Ahern wrote:
> > On 11/12/20 6:28 PM, Andrea Mayer wrote:
> > > The implementation of SRv6 End.DT4 differs from the the implementation of SRv6
> > > End.DT6 due to the different *route input* lookup functions. For IPv6 is it
> > > possible to force the routing lookup specifying a routing table through the
> > > ip6_pol_route() function (as it is done in the seg6_lookup_any_nexthop()).
> >
> > It is unfortunate that the IPv6 variant got in without the VRF piece.
>
> Should we make it a requirement for this series to also extend the v6
> version to support the preferred VRF-based operation? Given VRF is
> better and we require v4 features to be implemented for v6?

I think it is better to separate the two aspects... adding a missing 
feature in IPv4 datapath should not depend on improving the quality of 
the implementation of the IPv6 datapath :-)

I think that Andrea is willing to work on improving the IPv6 
implementation, but this should be considered after this patchset...

my 2c

Stefano

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Stefano Salsano
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Dipartimento Ingegneria Elettronica
Universita' di Roma Tor Vergata
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