From: patchwork-bot+netdevbpf@kernel.org
To: Hyunwoo Kim <imv4bel@gmail.com>
Cc: edumazet@kernel.org, ncardwell@google.com, kuniyu@google.com,
davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, john.fastabend@gmail.com, sd@queasysnail.net,
netdev@vger.kernel.org
Subject: Re: [PATCH net v2] tcp: do not coalesce segments after FIN
Date: Tue, 10 Nov 2026 23:20:05 +0000 [thread overview]
Message-ID: <179435280518.110597.1258531195351650489.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <au3HMfqNW3_DRMqS@v4bel>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 6 Nov 2026 21:25:21 +0900 you wrote:
> A FIN consumes a sequence number. If another FIN segment is coalesced
> into an skb that already carries FIN, end_seq advances to account for
> the additional FIN, but tcp_flags still contains only one FIN bit.
>
> When the preceding gap is filled and tcp_ofo_queue() processes the
> coalesced skb, rcv_nxt advances to the skb's end_seq. When the receive
> path consumes all data in the skb, copied_seq advances by the data
> length and one sequence number for FIN. If three or more FIN segments
> have been coalesced into one skb, tcp_inq() can still return a positive
> value after the receive queue becomes empty and the SOCK_DONE adjustment
> is applied.
>
> [...]
Here is the summary with links:
- [net,v2] tcp: do not coalesce segments after FIN
https://git.kernel.org/netdev/net/c/1c46780dec48
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-11-10 23:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 12:25 [PATCH net v2] tcp: do not coalesce segments after FIN Hyunwoo Kim
2026-11-06 13:28 ` Eric Dumazet
2026-11-07 19:38 ` Kuniyuki Iwashima
2026-11-10 23:20 ` patchwork-bot+netdevbpf [this message]
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