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 295BF344046; Thu, 24 Sep 2026 09:51:21 +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=1790243492; cv=none; b=sFE7LWqNe1GRCUXuY8m4ejQwW5e1qqgcwdUSiC0ybVVHecuSm3uMGyDg2ilf1BaS3vCe9XAukv4egpft2BZlArthpCUCHDdNZsiHQdfyn/+ryOl7sdTB4BmkQvl8YO0J2nXytNm54N/5/ZZ0J5v6BAM1/1ak5UhAluScnNwTvsM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790243492; c=relaxed/simple; bh=ZY33p742c5s+IhOdnZaWs8PxNA91JYu/vNkdjuKAZlg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=H6O5u9kXYZZUCDt5fLaehn8lc7qk4PyRAmYjKu4Iox5CzRCqfatt/DYcGeq4AatPNeovB8V0cuJAm8RCGfGMKDphjpi7/gzrCCe5aOCyjUbxj65AhmR8+VdETtWtAqR7eYr/uM3qN+Y21TESnIgMMzbvD7BmK6PNPq+An91Y9uI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JxNDxRly; 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="JxNDxRly" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D32771F000FF; Thu, 24 Sep 2026 09:51:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790243478; bh=0HKf48JwOM0/bONEUgVSYt5R5KcIHOz7ZZ2M//mXHYc=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=JxNDxRlyzjvQuf0YiJZ88ZB7db1YuuSWtoz4y9xcOB7MHN3lo5cofv+sMHOlM9sJ6 oDtiD7WNF+97EYhY/EZvhAPUM00ywqj1ydLnqYTMdS9+3LMqYSf1S+GfmRhQOsw0FA S7r0FV5ZX/uQtSgf4kAqdWvSufjSENJk7LF1rh39kKxNKzrv2ocBXjOSr8NZtlWF9N 3geX5VwIjxiJCAM/a5Q05/jSEM1cZEit5K9jln7OrDWJfHKLWeCruAjtSrv6gMU9eK gPpFRBKcukoBfXY+P/MCrkT1mN1L92aOlrSa8AOYdAQmBKNXB0/xdkhg417jjowieE zgWmelVG4j4SA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 5677939EB064; Thu, 24 Sep 2026 09:50:09 +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-next] selftests/net: packetdrill: check rcv_ssthresh vs scaling_ratio changes From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179024340815.1438212.13121071424202164830.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 09:50:08 +0000 References: <20260918045021.42138-1-zcgao@amazon.com> In-Reply-To: <20260918045021.42138-1-zcgao@amazon.com> To: Nathan Gao Cc: edumazet@google.com, ncardwell@google.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, kuniyu@google.com, horms@kernel.org, shuah@kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni : On Thu, 17 Sep 2026 21:50:21 -0700 you wrote: > tcp_measure_rcv_mss() recomputes tp->scaling_ratio from > skb->len/skb->truesize and updates tp->window_clamp accordingly. Commit > f5da7c45188e ("tcp: adjust rcvq_space after updating scaling ratio") > made that update go through tcp_set_window_clamp(), which also shrinks > tp->rcv_ssthresh, so every scaling_ratio dip cut the advertised window > as well. Commit 0e125ecfe20c ("tcp: do not change rcv_ssthresh in > tcp_measure_rcv_mss()") restored the plain window_clamp update. > > [...] Here is the summary with links: - [net-next] selftests/net: packetdrill: check rcv_ssthresh vs scaling_ratio changes https://git.kernel.org/netdev/net-next/c/6516ac5e6b16 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html