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Subject: Re: [net-next,v2,4/5] seg6: add support for the SRv6 End.DT4 behavior
To:     Andrea Mayer <andrea.mayer@uniroma2.it>,
        Jakub Kicinski <kuba@kernel.org>
Cc:     "David S. Miller" <davem@davemloft.net>,
        David Ahern <dsahern@kernel.org>,
        Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
        Shuah Khan <shuah@kernel.org>,
        Shrijeet Mukherjee <shrijeet@gmail.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@chromium.org>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
        Stefano Salsano <stefano.salsano@uniroma2.it>,
        Paolo Lungaroni <paolo.lungaroni@cnit.it>,
        Ahmed Abdelsalam <ahabdels.dev@gmail.com>
References: <20201107153139.3552-1-andrea.mayer@uniroma2.it>
 <20201107153139.3552-5-andrea.mayer@uniroma2.it>
 <20201110151255.3a86afcc@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
 <20201113022848.dd40aa66763316ac4f4ffd56@uniroma2.it>
From:   David Ahern <dsahern@gmail.com>
Message-ID: <34d9b96f-a378-4817-36e8-3d9287c5b76b@gmail.com>
Date:   Thu, 12 Nov 2020 18:49:17 -0700
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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.