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Date:   Wed, 13 Jan 2021 07:25:43 -0800
From:   Pravin Shelar <>
To:     Pravin B Shelar <>,
        Harald Welte <>
Cc:     Linux Kernel Network Developers <>,
        Pablo Neira Ayuso <>,
        Jonas Bonn <>,
        Jakub Kicinski <>
Subject: Re: [PATCH net-next v5] GTP: add support for flow based tunneling API

Hi Harald,

On Sat, Jan 9, 2021 at 11:02 PM Pravin B Shelar <> wrote:
> Following patch add support for flow based tunneling API
> to send and recv GTP tunnel packet over tunnel metadata API.
> This would allow this device integration with OVS or eBPF using
> flow based tunneling APIs.
> Signed-off-by: Pravin B Shelar <>
> ---
> v4-v5:
> - coding style changes
> v3-v4:
> - add check for non-zero dst port
> v2-v3:
> -  Fixed coding style
> -  changed IFLA_GTP_FD1 to optional param for LWT dev.
> v1-v2:
> -  Fixed according to comments from Jonas Bonn
This is the latest revision.

I have started with OVS integration, there are unit tests that
validate the GTP support. This is datapath related test, that has the
setup commands:

Once OVS patches are upstream I can post patches for ip-route command.

Patch for iproute to add support for LWT GTP devices.

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