From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A190C373BE8; Wed, 30 Sep 2026 07:20:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790752808; cv=none; b=BZwhpNgyp1+oZ7jH/u1Ymw3bFyaISBjSbZTB/RPlgaaDO+/p5X1OYtzKOrNSq6OLFIOneXrvkaWjQOr3fzsVoQi4fZ013bUwF7mqFSAljaFVYKaRzixXPg2KBSLGKeEdx8hBwsNbYNa4wMWJry9N7OPAscnlX5fVTUW6AQ2dzQ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790752808; c=relaxed/simple; bh=sd6gkkeG8ZQWKcUfeNjAQn8Tdr2ocdh4K4IqKfSDGS4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=fXa3BEykfyvO+qa+nkEq1W7jNICfka/QiUDvjBajQB5+SZFqeECjcHsI98L7zPx1duEaMcNb6z34c6kijTLZW81odTtleHFBGOOLMg0er4xP4v2yI2crOMDz2Q6e80HvhR85fa7O1ZlfwsBIx7Unxql90NlqCWD4pQmehk8nfDU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k1hsLw5T; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k1hsLw5T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8143F1F00893; Wed, 30 Sep 2026 07:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790752807; bh=u62Zgpb+i05Tt205oStPPNF9koBKiCrEtXPYzDKQ3Kc=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=k1hsLw5TOoY/CLuJf77AQ1dO1bsIDTq/AhjYG6PGTIfv7ofgxXGGXA7h4JjAnHKzu THZs5YV0vHzS3BU9v7Xw7DekkbMtHVfk5+z2FGuJ8ZbJ3lTwjF5zqWc6Et247sawWA pB1wn8fmSjvno3o26CqBf6YgKeOlmG0oCEW8tYZ2OHckz1rkWMQbFCKiPH40LAvM1o ZmmEuYkJV3K5c3cJHJqB4GAojmIZtjwTlXyFcORcQRdVIJP+aF+2A7Gso9Ig4vuOv4 t0nT23YTsRNp3echfI6ktcWF/LqjAgA1bQlbuH1FdFhZneW8JS+ryxTU6EMGJaRj/F qkpxXLRZqPkDA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7734939E37E8; Wed, 30 Sep 2026 07:20:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2 0/2] tcp: correct timestamp echo for accepted old ACKs From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179075280628.1300549.5509783868207806215.git-patchwork-notify@kernel.org> Date: Wed, 30 Sep 2026 07:20:06 +0000 References: <20260924224456.55690-4-jeffjo@openai.com> In-Reply-To: <20260924224456.55690-4-jeffjo@openai.com> To: Jeff Jo Cc: netdev@vger.kernel.org, edumazet@google.com, ncardwell@google.com, kuniyu@google.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by David S. Miller : On Thu, 24 Sep 2026 15:44:57 -0700 you wrote: > Linux can acknowledge newly received data while echoing an outdated > TCP timestamp. This happens when a reordered packet fills a receive gap > but carries an older acknowledgment for traffic in the other direction. > If the sender uses this echo to measure round-trip time after a long idle > period, the stale timestamp can inflate its estimate and slow its sending. > > Changes in v2, following Eric Dumazet's review: > - Remove the redundant SYN_RECV condition and unused flag accumulation. > - Replace the log-parsing wrapper with a plain packetdrill test that checks > the timestamp echo directly, using the existing selftest runner. > - Rebase on net fc6d80eb5044. > > [...] Here is the summary with links: - [net,v2,1/2] tcp: refresh TS.Recent for accepted old ACKs https://git.kernel.org/netdev/net/c/1b92780ae4fc - [net,v2,2/2] selftests: net: check timestamp echo after an old ACK https://git.kernel.org/netdev/net/c/81fe707ae58e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html