From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 307E3381AF; Wed, 19 Nov 2025 20:50:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763585441; cv=none; b=l/gINe1BuRgT46ahacH6kBLKGJH2IX166z1wcOADQUONVsDFkfb0fhOvBWRYnDR4gkoHLlwmg1vrJL4Lu62+sRU9g/v2um14zHbVbpaYKkjFw/rO+YBdQiF1bCzhR119cDqVMd676Nd5rV3E/+um1zPlTJidGzqkwx/ShU53X/c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763585441; c=relaxed/simple; bh=J2c1fjwa+yt9uPbX5uPXfsUp62Oz63qt6jFCL56S860=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=sUloc7hx48AaGkfXEy2Zf2KfZLJ63kua1ecfZUkyq1dGDh/efMvZbP//RjP1HH+AXd5lCnk65ccBBfi06Uf0uZg0dqDh6AHWgdlTVfXtPkFpWo5iV65uR5/hnxYJGSALOO84rCPOpSzd+o2tO09OGKXTgQmfe5DMiOUV7zDMTQE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=esopco5f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="esopco5f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2513C4CEF5; Wed, 19 Nov 2025 20:50:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763585440; bh=J2c1fjwa+yt9uPbX5uPXfsUp62Oz63qt6jFCL56S860=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=esopco5fr4IjgrTIY121iPqaJDfMrcq7Yg6blqNVOMZ1AUrd5JCDWtrhFdB5dwG4n O2OX+2vfIIanACqEiN8a+sG4SduVM1zf9/YzqWsR+UoVY5fD0GM1t92FG/Wibl050d uXJWRE9cZLaFhmRY+qkmi1hpIqV0ls9jcJCjqr3POth4REJXAVytEoUdrfia15COZC h79ew/+z9q+rLh+jXZCIYrH2C5jZqRs/K7LvjgX4UJz/SHq0nvCjcEcNykR/v+OfIn fFpLt/Y65B0YxN7nzH+ygc8pla0f3rNT5/2DyOjTQESdoQoH483HZS2vA9cLA+8y6w 6s0j8LCnSaCoA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id ADF7439EF94E; Wed, 19 Nov 2025 20:50:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3 net] net: phylink: add missing supported link modes for the fixed-link From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176358540651.954142.2378639100953364508.git-patchwork-notify@kernel.org> Date: Wed, 19 Nov 2025 20:50:06 +0000 References: <20251117102943.1862680-1-wei.fang@nxp.com> In-Reply-To: <20251117102943.1862680-1-wei.fang@nxp.com> To: Wei Fang Cc: linux@armlinux.org.uk, andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, eric@nelint.com, maxime.chevallier@bootlin.com, imx@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 17 Nov 2025 18:29:43 +0800 you wrote: > Pause, Asym_Pause and Autoneg bits are not set when pl->supported is > initialized, so these link modes will not work for the fixed-link. This > leads to a TCP performance degradation issue observed on the i.MX943 > platform. > > The switch CPU port of i.MX943 is connected to an ENETC MAC, this link > is a fixed link and the link speed is 2.5Gbps. And one of the switch > user ports is the RGMII interface, and its link speed is 1Gbps. If the > flow-control of the fixed link is not enabled, we can easily observe > the iperf performance of TCP packets is very low. Because the inbound > rate on the CPU port is greater than the outbound rate on the user port, > the switch is prone to congestion, leading to the loss of some TCP > packets and requiring multiple retransmissions. > > [...] Here is the summary with links: - [v3,net] net: phylink: add missing supported link modes for the fixed-link https://git.kernel.org/netdev/net/c/e31a11be41cd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html