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 9859837A4AA; Thu, 19 Mar 2026 10:20:14 +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=1773915614; cv=none; b=kj0fdlVUtWTyqVOta2Ubdbz4Gz9UjcnFHDuAcJDy1YiasdF6zb4/C/8YJ88ztGp8mrqvE59zbp1rR5Ko6TumenYY+2uD6yIkCkaAu/QNSCT+eaUC7jxzG1CVZFIw4imC37QZEAD27yNzMYDQL7MgmjHvALfXW/VqEK5enY4d4aw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773915614; c=relaxed/simple; bh=OnXtvnbQHK2flsCEHfM2PVexlbobgVrSL8KsWzpCArw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=dc5Xvca7zcrNVBxYxLCnlA5VrQKa6Y+n9qUJFKKjuv7PeavgNe6J18hoZrgwpX8R9QAYtOx5mtHUZf7nSbXRyhcjRjpEjUaikf15yZe60RXUEDmrdH6yuBYVsAaeLiG/7eM3XapSRi80MeQPLpVRSb+mrGtAXZNBEw8KzdxioRA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dLxfvGyk; 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="dLxfvGyk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5402C19424; Thu, 19 Mar 2026 10:20:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773915614; bh=OnXtvnbQHK2flsCEHfM2PVexlbobgVrSL8KsWzpCArw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=dLxfvGykVOMovs7FsGRisJPWgl23tpLu8Y2IVWmRL89ax3L5EAVLj98j5w3ZPkIK/ j/1ECMKp046uc8zDw4r7wCpHMMMIKZQAl3Z2ZXfnN0fD/I8Uz3uQZASEEdbZmRefYW UCenwBff0MkbN5IOWFbzthyeAEp6xZVTpHdAI4N+by5VnJewxGkMKiJWxw/CETnWv6 QRh7lKiK1qosws4r43va7kuRXyPMQWC/EgfXjfPNWCH6Z6Tg/GYQSQsl60wkMJSZ4J lxrgsMjCcdgi7CpXqKvf63WWLEVkJTNaKA4P1XKF5SlKsWvsCBIOwlBWH2d6sxhKeZ 4WJcYWWLzyKfQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FFBC3808200; Thu, 19 Mar 2026 10:20:06 +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 v2] l2tp: ppp: use max L2TP header size for PPP channel hdrlen From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177391560504.1132014.16515516280241252306.git-patchwork-notify@kernel.org> Date: Thu, 19 Mar 2026 10:20:05 +0000 References: <20260317054141.524879-1-dqfext@gmail.com> In-Reply-To: <20260317054141.524879-1-dqfext@gmail.com> To: Qingfang Deng Cc: linux-ppp@vger.kernel.org, jchapman@katalix.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni : On Tue, 17 Mar 2026 13:41:40 +0800 you wrote: > chan.hdrlen is read once at channel registration by > ppp_register_net_channel(), and used to set the PPP net device's > hard_header_len. It was set to PPPOL2TP_L2TP_HDR_SIZE_NOSEQ (6), which > is 4 bytes too small if sequence numbers are later enabled via > setsockopt(PPPOL2TP_SO_SENDSEQ), causing unnecessary skb reallocations > on the TX path. > > [...] Here is the summary with links: - [net-next,v2] l2tp: ppp: use max L2TP header size for PPP channel hdrlen https://git.kernel.org/netdev/net-next/c/9f4960b94f1a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html