linux-kernel - Re: [PATCH net-next v3] net: tcp: accept old ack during closing

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Message-Id: 
 <170658242406.31723.1004142308570519706.git-patchwork-notify@kernel.org>
Date: Tue, 30 Jan 2024 02:40:24 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Menglong Dong <menglong8.dong@...il.com>
Cc: edumazet@...gle.com, davem@...emloft.net, dsahern@...nel.org,
 kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3] net: tcp: accept old ack during closing

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 26 Jan 2024 12:05:19 +0800 you wrote:
> For now, the packet with an old ack is not accepted if we are in
> FIN_WAIT1 state, which can cause retransmission. Taking the following
> case as an example:
> 
>     Client                               Server
>       |                                    |
>   FIN_WAIT1(Send FIN, seq=10)          FIN_WAIT1(Send FIN, seq=20, ack=10)
>       |                                    |
>       |                                Send ACK(seq=21, ack=11)
>    Recv ACK(seq=21, ack=11)
>       |
>    Recv FIN(seq=20, ack=10)
> 
> [...]

Here is the summary with links:
  - [net-next,v3] net: tcp: accept old ack during closing
    https://git.kernel.org/netdev/net-next/c/795a7dfbc3d9

You are awesome, thank you!
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