netdev - Re: [PATCH v4] skbuff: Add MSG_MORE flag to optimize tcp large packet transmission

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Message-ID: <CANn89iKo9PXZiCtPJYoauVesx9JggSSbQ_+PMt9UgST1vF1Z+w@mail.gmail.com>
Date: Tue, 8 Jul 2025 00:02:28 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Feng Yang <yangfeng59949@....com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, 
	willemb@...gle.com, almasrymina@...gle.com, kerneljasonxing@...il.com, 
	ebiggers@...gle.com, asml.silence@...il.com, aleksander.lobakin@...el.com, 
	stfomichev@...il.com, david.laight.linux@...il.com, yangfeng@...inos.cn, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] skbuff: Add MSG_MORE flag to optimize tcp large packet transmission

On Mon, Jul 7, 2025 at 10:41 PM Feng Yang <yangfeng59949@....com> wrote:
>
> From: Feng Yang <yangfeng@...inos.cn>
>
> When using sockmap for forwarding, the average latency for different packet sizes
> after sending 10,000 packets is as follows:
> size    old(us)         new(us)
> 512     56              55
> 1472    58              58
> 1600    106             81
> 3000    145             105
> 5000    182             125
>
> Suggested-by: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Feng Yang <yangfeng@...inos.cn>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>