netdev - Re: [PATCH net-next 06/14] net: ipv6: Add a flags argument to ip6tunnel_xmit(), udp_tunnel6_xmit

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Message-ID: <2b7323f1-09bb-45fb-89fa-21cc51af69f0@blackwall.org>
Date: Thu, 12 Jun 2025 13:30:19 +0300
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Petr Machata <petrm@...dia.com>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, David Ahern <dsahern@...il.com>,
 netdev@...r.kernel.org
Cc: Simon Horman <horms@...nel.org>, Ido Schimmel <idosch@...dia.com>,
 mlxsw@...dia.com
Subject: Re: [PATCH net-next 06/14] net: ipv6: Add a flags argument to
 ip6tunnel_xmit(), udp_tunnel6_xmit_skb()

On 6/9/25 23:50, Petr Machata wrote:
> ip6tunnel_xmit() erases the contents of the SKB control block. In order to
> be able to set particular IP6CB flags on the SKB, add a corresponding
> parameter, and propagate it to udp_tunnel6_xmit_skb() as well.
> 
> In one of the following patches, VXLAN driver will use this facility to
> mark packets as subject to IPv6 multicast routing.
> 
> Signed-off-by: Petr Machata <petrm@...dia.com>
> Reviewed-by: Ido Schimmel <idosch@...dia.com>
> ---
> 
> Notes:
> CC:Pablo Neira Ayuso <pablo@...filter.org>
> CC:osmocom-net-gprs@...ts.osmocom.org
> CC:Andrew Lunn <andrew+netdev@...n.ch>
> CC:Antonio Quartulli <antonio@...nvpn.net>
> CC:"Jason A. Donenfeld" <Jason@...c4.com>
> CC:wireguard@...ts.zx2c4.com
> CC:Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
> CC:linux-sctp@...r.kernel.org
> CC:Jon Maloy <jmaloy@...hat.com>
> CC:tipc-discussion@...ts.sourceforge.net
> 
>   drivers/net/bareudp.c          | 3 ++-
>   drivers/net/geneve.c           | 3 ++-
>   drivers/net/gtp.c              | 2 +-
>   drivers/net/ovpn/udp.c         | 2 +-
>   drivers/net/vxlan/vxlan_core.c | 3 ++-
>   drivers/net/wireguard/socket.c | 2 +-
>   include/net/ip6_tunnel.h       | 3 ++-
>   include/net/udp_tunnel.h       | 3 ++-
>   net/ipv6/ip6_tunnel.c          | 2 +-
>   net/ipv6/ip6_udp_tunnel.c      | 5 +++--
>   net/sctp/ipv6.c                | 2 +-
>   net/tipc/udp_media.c           | 2 +-
>   12 files changed, 19 insertions(+), 13 deletions(-)
> 

Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>