From: Simon Horman <horms@kernel.org>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
pabeni@redhat.com, edumazet@google.com, laforge@osmocom.org,
pespin@sysmocom.de, osmith@sysmocom.de
Subject: Re: [PATCH net-next,v3 11/12] gtp: support for IPv4-in-IPv6-GTP and IPv6-in-IPv4-GTP
Date: Thu, 9 May 2024 13:18:44 +0100 [thread overview]
Message-ID: <20240509121844.GU1736038@kernel.org> (raw)
In-Reply-To: <20240506235251.3968262-12-pablo@netfilter.org>
On Tue, May 07, 2024 at 01:52:50AM +0200, Pablo Neira Ayuso wrote:
> Add new protocol field to PDP context that determines the transmit path
> IP protocol to encapsulate the original packets, either IPv4 or IPv6.
>
> Relax existing netlink attribute checks to allow to specify different
> family in MS and peer attributes from the control plane.
>
> Use build helpers to tx path to encapsulate IPv4-in-IPv6-GTP and
> IPv6-in-IPv4-GTP according to the user-specified configuration.
>
> >From rx path, snoop for the inner protocol header since outer
> skb->protocol might differ and use this to validate for valid PDP
> context and to restore skb->protocol after decapsulation.
>
> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2024-05-09 12:18 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-06 23:52 [PATCH net-next,v3 00/12] gtp updates for net-next (v3) Pablo Neira Ayuso
2024-05-06 23:52 ` [PATCH net-next,v3 01/12] gtp: remove useless initialization Pablo Neira Ayuso
2024-05-09 10:19 ` Simon Horman
2024-05-10 13:10 ` patchwork-bot+netdevbpf
2024-05-06 23:52 ` [PATCH net-next,v3 02/12] gtp: properly parse extension headers Pablo Neira Ayuso
2024-05-09 12:14 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 03/12] gtp: prepare for IPv6 support Pablo Neira Ayuso
2024-05-09 12:15 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 04/12] gtp: add " Pablo Neira Ayuso
2024-05-09 12:15 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 05/12] gtp: use IPv6 address /64 prefix for UE/MS Pablo Neira Ayuso
2024-05-09 12:15 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 06/12] gtp: pass up link local traffic to userspace socket Pablo Neira Ayuso
2024-05-09 12:16 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 07/12] gtp: move debugging to skbuff build helper function Pablo Neira Ayuso
2024-05-09 12:16 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 08/12] gtp: remove IPv4 and IPv6 header from context object Pablo Neira Ayuso
2024-05-09 12:17 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 09/12] gtp: add helper function to build GTP packets from an IPv4 packet Pablo Neira Ayuso
2024-05-09 12:17 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 10/12] gtp: add helper function to build GTP packets from an IPv6 packet Pablo Neira Ayuso
2024-05-09 12:17 ` Simon Horman
2024-05-06 23:52 ` [PATCH net-next,v3 11/12] gtp: support for IPv4-in-IPv6-GTP and IPv6-in-IPv4-GTP Pablo Neira Ayuso
2024-05-09 12:18 ` Simon Horman [this message]
2024-05-06 23:52 ` [PATCH net-next,v3 12/12] gtp: identify tunnel via GTP device + GTP version + TEID + family Pablo Neira Ayuso
2024-05-09 12:19 ` Simon Horman
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