netdev - Re: [PATCH nf-next,v2] gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)

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Date:	Tue, 10 May 2016 12:27:35 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	pablo@...filter.org
Cc:	netdev@...r.kernel.org, laforge@...monks.org, aschultz@...p.net,
	openbsc@...ts.osmocom.org
Subject: Re: [PATCH nf-next,v2] gtp: add initial driver for datapath of
 GPRS Tunneling Protocol (GTP-U)

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Mon,  9 May 2016 00:55:48 +0200

> This is an initial implementation of a netdev driver for GTP datapath
> (GTP-U) v0 and v1, according to the GSM TS 09.60 and 3GPP TS 29.060
> standards. This tunneling protocol is used to prevent subscribers from
> accessing mobile carrier core network infrastructure.
> 
> This implementation requires a GGSN userspace daemon that implements the
> signaling protocol (GTP-C), such as OpenGGSN [1]. This userspace daemon
> updates the PDP context database that represents active subscriber
> sessions through a genetlink interface.
> 
> For more context on this tunneling protocol, you can check the slides
> that were presented during the NetDev 1.1 [2].
> 
> Only IPv4 is supported at this time.
> 
> [1] http://git.osmocom.org/openggsn/
> [2] http://www.netdevconf.org/1.1/proceedings/slides/schultz-welte-osmocom-gtp.pdf
> 
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
> ---
> v2: Rebase on top of current HEAD to resolve minor conflict with recent PPP
>     updates in include/uapi/linux/if_link.h so this applies cleanly.

Applied, thanks.