From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793958023; b=abZVx7deO9josr7CLKJ13/q6AMNbdzeBSO5BvqkN/HLGgXnyofuC+HIicvBFoaVbBzPk BJNb6OSiDbJLkbo53+XEpChuZ1tYkI+9VA1YtrQ2pOg+1PPNl68pr6n/5Wr2sp6PkKZmB DhWXqrOIxsUSI1JyOkcou3u9I0DorkZ6p74ekbDmFeP6ByojS0VKRVLVRtxyODzwx5lP7 lNXtIn4eLW4nYXH6F1bXdjJa3eqKtcgCIuONoKDQi/szIe0tbv7QksKotUWE50fKG/L72 LWmErkohWFNPHLMMHAg0fO9vRHzxUeE2PFofts+OzGpkic7PiqmBeuYoA3zRk5eZzPA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793958023; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=VJy/31DrL9o7BAtBd/bUoeYF+vPcq5nyrybnUYKjAG8=; b=ZdNoY8iXc9ubwgGcnF1BUljGZ2sSPAfeBTP46LUvulEGd8UaCO0CeN7ikyziMkyiy9vX XNzdz7spTJ2VxkN3GStqgw5mjARjK/R6a3EKXQ3p2zNkTQqFNIGv9gfWFDtDB/KLTJIt7 mBGfFm2mMoLSjR1P8jY7YW8IvnHAKHjnBIBcCn6ciuenrjRd2LEJzD/jWX0/aOfVLxZK0 BsCwSFRrKwJKY17oaD0Yda8q9f5eU4SLUYU5EvfKJfKY/cDsCoawsxbfTd8LicKyxOvO5 7DPU8oEucFqLvjas9vB9MiOuZe/2eEsWqIxBB1zSWYkPrStSvBgYpkvr3a36Rs1ARvg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CyCDJDu6; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACE9C606A920 for ; Fri, 6 Nov 2026 09:40:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CyCDJDu6 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 505431F0089F; Fri, 6 Nov 2026 09:40:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793958022; bh=VJy/31DrL9o7BAtBd/bUoeYF+vPcq5nyrybnUYKjAG8=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=CyCDJDu64khWqNvki1ZO1K7A5zpbPWM+PYeIVV9vCqA2qfRqgqdethRzgSJnt8NIF 6U5hfF43t6oxRoElI4V9E8+35dHay2049pdQ4U5eZZD5LYZY2TdlIRJm5s4EQKk2H3 sOgoY+EJOCPVPKACP9BmyOrTWmiR8aGj3erhpfTdFHntUiMtftVJvrd4how8dab5IO jG5zmgaw8ySHN1bpIEkuIFo2x0HDmrfb3ZVm3Q4FCe/EtefZgEA4erLx5KwepjGUMk Fglhx9RXIPKQMOblgHlcvwfeR8/uTtlWqjBAjUM9HdsCf+k65/bqxt2Y2IUTjA752R 0MVA+nhn0Rx9w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 45E9F392447B; Fri, 6 Nov 2026 09:40:22 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2 net] tcp: bound snd_cwnd_clamp to TCP_MAX_SND_CWND From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179395802105.491229.7639452799219614935.git-patchwork-notify@kernel.org> Date: Fri, 06 Nov 2026 09:40:21 +0000 References: <20261030111528.2850082-1-edumazet@kernel.org> In-Reply-To: <20261030111528.2850082-1-edumazet@kernel.org> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, ncardwell@google.com, kuniyu@google.com, horms@kernel.org, netdev@vger.kernel.org, mason@kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Fri, 30 Oct 2026 12:15:28 +0100 you wrote: > snd_cwnd has no practical upper bound: snd_cwnd_clamp defaults to ~0, > and RTAX_INITCWND, a locked RTAX_CWND metric, TCP_BPF_IW and > TCP_BPF_SNDCWND_CLAMP accept any positive value. > > Congestion control modules do u32 arithmetic on cwnd that assumes > much smaller values. For instance, ssthresh() handlers compute: > > [...] Here is the summary with links: - [v2,net] tcp: bound snd_cwnd_clamp to TCP_MAX_SND_CWND https://git.kernel.org/netdev/net/c/475ff14ba558 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html