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 D4D0F195FE8; Sat, 26 Apr 2025 00:29:51 +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=1745627392; cv=none; b=bhi5PPncyopPVYxRF/3xat8yB7SHYcfG5LX+BAbT3GpG282my8GXxF13vDw8AESV7nxrGKAeFE8Vy6VPd5wTkIxuS7JILRMqPAShQeAw/xkdxglBjP+rkTuW6sVCPFH64uhbMDuoYD5EPAeNsoV7itgMC1ChuRkcBLi9HpKeOrI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745627392; c=relaxed/simple; bh=Us/CQ229JFakDBYn+TJwgtBIHBEEL0JV+fnkPaVG1G4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=aMpSDhoQ/1vKeFYxVBXYYfskBXXHFxEB+rSh+RCEErvKxo8Y4YstP566Org3yb0YCkYuHaCENrGparAX6ARdsxucSYOWBDRH6nmMTRpbby9ydb0QZuc97bH/4c29cpmfxbRc2TYi3nvIh9AdV5LJ1wk3mDLFbAYZLkgdcwQ9XYg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pvxEHOfD; 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="pvxEHOfD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4919AC4CEE4; Sat, 26 Apr 2025 00:29:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745627391; bh=Us/CQ229JFakDBYn+TJwgtBIHBEEL0JV+fnkPaVG1G4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=pvxEHOfDh7RbVF+XN9qtMZswiPpdezlm5xZuk73XMV4qhw0C+/gJKlzx6JnY7lAUc MbkfuaHQ2XEx+kCH7h6johzaxivktwANgIT0L1Yxcr7W7xCVHu2uG7oPjUJSZ8/Kz/ lJ3E+Tig6S3tLDXbswkig2nlSS48fL5qF6TrtZm9A9A5XYChNGvpau/WV2y86hJT6H MlvWQO6hGcQADh5ZlmZR2wx9U8BzQXF0sT4R9OPnSToSyt70wIXgd23/arETZYb60e mxhRgV6zEjVtNj54jA7GYWsfqeK/k3pIyA+h3p+fbnmMT2ne00fI/TFn0MP82qTqPH 6NbfjU4JRfNmQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33CED380CFD7; Sat, 26 Apr 2025 00:30:31 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174562743000.3886189.102996888002820678.git-patchwork-notify@kernel.org> Date: Sat, 26 Apr 2025 00:30:30 +0000 References: <20250423133600.176689-1-daniel@iogearbox.net> In-Reply-To: <20250423133600.176689-1-daniel@iogearbox.net> To: Daniel Borkmann Cc: kuba@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, andrew.sauber@isovalent.com, aspsk@isovalent.com, witu@nvidia.com, micron10@gmail.com, ronak.doshi@broadcom.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 23 Apr 2025 15:36:00 +0200 you wrote: > vmxnet3 driver's XDP handling is buggy for packet sizes using ring0 (that > is, packet sizes between 128 - 3k bytes). > > We noticed MTU-related connectivity issues with Cilium's service load- > balancing in case of vmxnet3 as NIC underneath. A simple curl to a HTTP > backend service where the XDP LB was doing IPIP encap led to overly large > packet sizes but only for *some* of the packets (e.g. HTTP GET request) > while others (e.g. the prior TCP 3WHS) looked completely fine on the wire. > > [...] Here is the summary with links: - [net] vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp https://git.kernel.org/netdev/net/c/4c2227656d90 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html