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

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Message-ID: <34d9b96f-a378-4817-36e8-3d9287c5b76b@gmail.com>
Date:   Thu, 12 Nov 2020 18:49:17 -0700
From:   David Ahern <dsahern@...il.com>
To:     Andrea Mayer <andrea.mayer@...roma2.it>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        David Ahern <dsahern@...nel.org>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Shuah Khan <shuah@...nel.org>,
        Shrijeet Mukherjee <shrijeet@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Stefano Salsano <stefano.salsano@...roma2.it>,
        Paolo Lungaroni <paolo.lungaroni@...t.it>,
        Ahmed Abdelsalam <ahabdels.dev@...il.com>
Subject: Re: [net-next,v2,4/5] seg6: add support for the SRv6 End.DT4 behavior

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.