netdev - Re: [RFC PATCH 09/28] gso: AccECN support

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Message-ID: <6940af98-7083-15c7-dcea-54eb9d040a3d@gmail.com>
Date:   Wed, 18 Mar 2020 20:44:38 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>,
        netdev@...r.kernel.org
Cc:     Yuchung Cheng <ycheng@...gle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Olivier Tilmans <olivier.tilmans@...ia-bell-labs.com>
Subject: Re: [RFC PATCH 09/28] gso: AccECN support



On 3/18/20 2:43 AM, Ilpo Järvinen wrote:
> From: Ilpo Järvinen <ilpo.jarvinen@...helsinki.fi>
> 
> Handling the CWR flag differs between RFC 3168 ECN and AccECN.
> Take it into account in GSO by not clearing the CWR bit.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...helsinki.fi>
>

Does it means TCP segmentation offload is disabled on all the NIC
around ?

Why tun driver is changed and not others ?

I believe you need to give much more details in changelog in general,
because many changes are not that obvious.