From: Justin Iurman <justin.iurman@6wind.com>
To: Andrea Mayer <andrea.mayer@uniroma2.it>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
David Ahern <dsahern@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Stefano Salsano <stefano.salsano@uniroma2.it>,
Paolo Lungaroni <paolo.lungaroni@uniroma2.it>,
Ahmed Abdelsalam <ahabdels@cisco.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH net-next 2/3] seg6: add SRv6 L2 tunnel device (srl2)
Date: Wed, 25 Mar 2026 13:43:15 +0000 [thread overview]
Message-ID: <CAOY2Bqxb1C6myf7DBmfLM_3wZSweYQaQSAVSj_wDihf-N9vQJg@mail.gmail.com> (raw)
In-Reply-To: <20260322000557.12559-3-andrea.mayer@uniroma2.it>
On Sun, Mar 22, 2026 at 12:06 AM Andrea Mayer <andrea.mayer@uniroma2.it> wrote:
>
> Introduce srl2, an Ethernet pseudowire device over SRv6. It
> encapsulates L2 frames in IPv6 with a Segment Routing Header for
> transmission across an SRv6 network.
>
> The encapsulation logic reuses seg6_do_srh_encap() with
> IPPROTO_ETHERNET. The transmit path uses the standard IPv6 tunnel
> infrastructure (dst_cache, ip6_route_output, ip6tunnel_xmit).
>
> The device is configured with a segment list for point-to-point
> L2 encapsulation.
>
> Usage:
>
> ip link add srl2-0 type srl2 segs fc00::a,fc00::b
Thinking out loud...
We'll likely need SRv6 encap configurations specific to each entry
(i.e., MAC address), rather than (or in addition to) per interface.
We could also add a "mode" (e.g., "normal" mode or reduced mode?).
next prev parent reply other threads:[~2026-03-25 13:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-22 0:05 [RFC PATCH net-next 0/3] seg6: SRv6 L2 VPN with End.DT2U and srl2 device Andrea Mayer
2026-03-22 0:05 ` [RFC PATCH net-next 1/3] seg6: add support for the SRv6 End.DT2U behavior Andrea Mayer
2026-03-22 0:05 ` [RFC PATCH net-next 2/3] seg6: add SRv6 L2 tunnel device (srl2) Andrea Mayer
2026-03-24 16:08 ` Justin Iurman
2026-03-24 16:24 ` Justin Iurman
2026-03-25 13:43 ` Justin Iurman [this message]
2026-03-22 0:05 ` [RFC PATCH net-next 3/3] selftests: seg6: add SRv6 srl2 + End.DT2U L2 VPN test Andrea Mayer
2026-03-24 16:00 ` [RFC PATCH net-next 0/3] seg6: SRv6 L2 VPN with End.DT2U and srl2 device Justin Iurman
2026-03-25 7:10 ` Stefano Salsano
2026-03-25 8:35 ` Justin Iurman
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