Re: [PATCH net] l2tp: send netlink notifications in the tunnel's net namespace

From: patchwork-bot+netdevbpf

Date: Thu Aug 13 2026 - 23:26:39 EST


Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Sun, 9 Aug 2026 17:42:52 +0800 you wrote:
> l2tp_tunnel_notify() and l2tp_session_notify() use
> genlmsg_multicast_allns(), which delivers to listeners in every network
> namespace. l2tp is per-namespace, and a tunnel records the namespace it
> belongs to in tunnel->l2tp_net. Each event concerns one namespace, yet
> every namespace is told about it. A tunnel event carries the tunnel and
> peer tunnel ids, plus the socket's addresses with both ports for a UDP
> tunnel. A session event carries the session and peer session ids, the
> interface name, plus the L2TP cookies where those are set. A listener
> needs no privilege for any of this, because l2tp_multicast_group[]
> carries no flags and genl_bind() asks for no capability.
>
> [...]

Here is the summary with links:
- [net] l2tp: send netlink notifications in the tunnel's net namespace
https://git.kernel.org/netdev/net-next/c/ed267f783c0c

You are awesome, thank you!
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