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 25D8B4FC8F7 for ; Tue, 13 Oct 2026 13:40:07 +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=1791898808; cv=none; b=kSAlwy5OS1Wsq/QeSly52P9XDzNKn1m5COvYHb1nwtRGuw08DEfX6QsFHBWNPBQO9ogkVrdowqHhQ24e7XgB5PO00jzl939TK1kNkXXQNFQxbhfJ935gySIy8J7YXmne5Z8slL37vMyXKOrO4vnRUPWD2DPzXTD1r9zJCenIPsE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791898808; c=relaxed/simple; bh=f4cQw0l+ySXHVRDxG1wqzrpGoMRNHxEINYfwfjnMXrc=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=OB2wvQxGvEIgbVKON0Csk0mTXcwyAuwUpDsfWbPvqe7OusHFgoGGlnKxpf/zyh7HVnDZczNW9FwwZzCGceddJL17xssbKCkqp7lHexz+JFfJVXigAsLzRkV2pAuBR2FWonaGTgOnRqmvttomQ9bMlBPPpmUc6Vu6NvW2LMCWaAQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=adlpAdQK; 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="adlpAdQK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 091731F00893; Tue, 13 Oct 2026 13:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791898807; bh=G/xivSEwTQfyoDl/deKvmHZaSjZWOZYh7L1d+tvbPZY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=adlpAdQKxQEQNmbgkjsbFUwnmvMhPdsMu7zsdU3FY398wA+UqEHIZVhHt3CtmbmOi RwPpbQH47tSTgNe5Ar+DYcAmT8eWviWlj62+3yPm+CuDXu5tbwp0Qk+pOpvek3PnuA hYXD07vWP8IITju2u4q179Ogla61dew34tP1c3KsOiVXYv23r1eSuPX+jjFegyAkQ5 FJrvqaDNPYa2MQ+aV0v5I/0fOXQtwLt++yNDxUpOPaEWHiA4uIoSyZmWkyBSdoHqQN 23JRwCiacKp6d+9mgD1ZUuxIPx5ihnVXN8IgdN+Z+RKzEVl+UEYM+GLHWm4W45DwTu lxcMdK5PzqIAA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id F196739D237A; Tue, 13 Oct 2026 13:40:06 +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 net-next v5 0/6] net: re-segment oversized TCP GSO skbs From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179189880587.311420.10716275190356671758.git-patchwork-notify@kernel.org> Date: Tue, 13 Oct 2026 13:40:05 +0000 References: <20261008100651.2534957-1-wang.zhan@smartx.com> In-Reply-To: <20261008100651.2534957-1-wang.zhan@smartx.com> To: Wang Zhan Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, keyong.sun@smartx.com, willemdebruijn.kernel@gmail.com, jasowangio@gmail.com, andrew+netdev@lunn.ch, aconole@redhat.com, echaudro@redhat.com, i.maximets@ovn.org, dev@openvswitch.org, daniel@iogearbox.net, ncardwell@google.com, kuniyu@google.com, alice@isovalent.com, david.laight.linux@gmail.com Hello: This series was applied to netdev/net-next.git (main) by Paolo Abeni : On Thu, 8 Oct 2026 18:06:45 +0800 you wrote: > BIG TCP is negotiated per netdevice, so BIG TCP and non-BIG TCP ports can > coexist in one path. When an skb exceeds the GSO limits of the port it is > sent to, it loses its GSO feature mask and is segmented into individual MSS > sized packets, which that port then sends without TSO. > > This series cuts such a TCP GSO skb into GSO skbs which fit the device > limits instead, so the rest of the path keeps using TSO. On a > veth -> bridge -> TAP -> guest virtio-net path, with BIG TCP enabled on the > veth endpoints and left off in the guest, a single iperf3 TCP flow, six > alternating runs per state (-t 15 -O 5, fixed CPU affinity and port tuple): > > [...] Here is the summary with links: - [net-next,v5,1/6] net: core: use the packet's L3 protocol for the GSO size limit https://git.kernel.org/netdev/net-next/c/cc9dcb0e7a42 - [net-next,v5,2/6] net: core: factor out the GSO device limit check https://git.kernel.org/netdev/net-next/c/0bba48256b0a - [net-next,v5,3/6] net: gso: support re-segmentation of TCP GSO skbs https://git.kernel.org/netdev/net-next/c/c4076626ba52 - [net-next,v5,4/6] net: gso: clear the GSO state of the last output segment https://git.kernel.org/netdev/net-next/c/335a0378a755 - [net-next,v5,5/6] net: core: re-segment oversized TCP GSO skbs https://git.kernel.org/netdev/net-next/c/32bfd220cd6f - [net-next,v5,6/6] net: net_test: add tests for TCP re-segmentation https://git.kernel.org/netdev/net-next/c/a374c5bb41d1 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html