From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D755C433F5 for ; Thu, 28 Apr 2022 17:40:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349309AbiD1Rne (ORCPT ); Thu, 28 Apr 2022 13:43:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235363AbiD1Rnb (ORCPT ); Thu, 28 Apr 2022 13:43:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2519813E1B for ; Thu, 28 Apr 2022 10:40:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8584F6216B for ; Thu, 28 Apr 2022 17:40:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id DBFCBC385AE; Thu, 28 Apr 2022 17:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651167611; bh=/YR6KqTh11TqGz6WY5n2BvWvlL3dOLpquOKMsovQ3ac=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=KTqEFQ+aA4LJrRai9Xw5DKWqLJU1Nf8r5JuVOG7Atk5229dBmR5VCeYtpgWA/K4ag ORqi0a280yXYlehg4NMxe8JD1ay2PS2UmZIA3BSw8p0T4NaNjFwv/awvGaVuDjhf+F aaJDFH2AdJXZkGtKwRjfWypBQD2c1P/qbtj65VosI7vPddYZ9esbA1U/JPpaYlxHWr PAPDDjutze9Ejbd5YzWiAB6rReiiiCGCBSkubfMFKpbzyL2iyPmXB/usBqt2n9zsqK LHbksxX4T0efLjVW67uM35JdyvQSk7QcQl5VWc1J3IWG5qGYR/EJbeZQ83ogPwqSjC xEj1Qg4JXfJ9A== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id BDB35E85D90; Thu, 28 Apr 2022 17:40:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] tcp: fix F-RTO may not work correctly when receiving DSACK From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165116761177.10854.18409623100154256898.git-patchwork-notify@kernel.org> Date: Thu, 28 Apr 2022 17:40:11 +0000 References: <1650967419-2150-1-git-send-email-yangpc@wangsu.com> In-Reply-To: <1650967419-2150-1-git-send-email-yangpc@wangsu.com> To: Pengcheng Yang Cc: edumazet@google.com, ncardwell@google.com, ycheng@google.com, netdev@vger.kernel.org, davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, kuba@kernel.org, pabeni@redhat.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Tue, 26 Apr 2022 18:03:39 +0800 you wrote: > Currently DSACK is regarded as a dupack, which may cause > F-RTO to incorrectly enter "loss was real" when receiving > DSACK. > > Packetdrill to demonstrate: > > // Enable F-RTO and TLP > 0 `sysctl -q net.ipv4.tcp_frto=2` > 0 `sysctl -q net.ipv4.tcp_early_retrans=3` > 0 `sysctl -q net.ipv4.tcp_congestion_control=cubic` > > [...] Here is the summary with links: - [net] tcp: fix F-RTO may not work correctly when receiving DSACK https://git.kernel.org/netdev/net/c/d9157f6806d1 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html