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 D27671171D for ; Thu, 16 Nov 2023 22:40:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XEdlNojp" Received: by smtp.kernel.org (Postfix) with ESMTPS id 77EA6C433CB; Thu, 16 Nov 2023 22:40:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700174426; bh=8Q9aPQSkyUwvDZyo+JgIdHAdEQLrkr/Bur1yh4/Fop8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=XEdlNojpMBc4lPw4qqmQsB9dM9CL5gkrB3gmuES6oqlEGML4ie+6YikwiKuxePdl1 TmPsW2qRxxLRpuwT8yvnSybTPUGupZgj06vIBeCxjq9Yp8TiRJ833CCUKEv/apxdlq ess5nhqM4xAYyzZW8AB+n24IuG31CWGBD+m5xkNDBNEE70hYUt/AYdMHcACwy2QFmB eoNNrbPiwu8AwOyhH/kDaVfoR4c95M0dNdOXcbJAv6wat17pFlEe6NwvgE7v+KunQ5 sbTHMeN/vYu6sf1ef5qPsK5xHm2g0Oqyu+PqHL7k9IilrtjY2rwNS3z+GhHqORmSMc cRXANibY6ZvmQ== 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 5ADF5E1F660; Thu, 16 Nov 2023 22:40:26 +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 v9] vxlan: add support for flowlabel inherit From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170017442635.21715.6334540294101418233.git-patchwork-notify@kernel.org> Date: Thu, 16 Nov 2023 22:40:26 +0000 References: <20231114173657.1553-1-alce@lafranque.net> In-Reply-To: <20231114173657.1553-1-alce@lafranque.net> To: Alce Lafranque Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, dsahern@kernel.org, idosch@nvidia.com, netdev@vger.kernel.org, vincent@bernat.ch Hello: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Tue, 14 Nov 2023 11:36:57 -0600 you wrote: > By default, VXLAN encapsulation over IPv6 sets the flow label to 0, with > an option for a fixed value. This commits add the ability to inherit the > flow label from the inner packet, like for other tunnel implementations. > This enables devices using only L3 headers for ECMP to correctly balance > VXLAN-encapsulated IPv6 packets. > > ``` > $ ./ip/ip link add dummy1 type dummy > $ ./ip/ip addr add 2001:db8::2/64 dev dummy1 > $ ./ip/ip link set up dev dummy1 > $ ./ip/ip link add vxlan1 type vxlan id 100 flowlabel inherit remote 2001:db8::1 local 2001:db8::2 > $ ./ip/ip link set up dev vxlan1 > $ ./ip/ip addr add 2001:db8:1::2/64 dev vxlan1 > $ ./ip/ip link set arp off dev vxlan1 > $ ping -q 2001:db8:1::1 & > $ tshark -d udp.port==8472,vxlan -Vpni dummy1 -c1 > [...] > Internet Protocol Version 6, Src: 2001:db8::2, Dst: 2001:db8::1 > 0110 .... = Version: 6 > .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) > .... 0000 00.. .... .... .... .... .... = Differentiated Services Codepoint: Default (0) > .... .... ..00 .... .... .... .... .... = Explicit Congestion Notification: Not ECN-Capable Transport (0) > .... 1011 0001 1010 1111 1011 = Flow Label: 0xb1afb > [...] > Virtual eXtensible Local Area Network > Flags: 0x0800, VXLAN Network ID (VNI) > Group Policy ID: 0 > VXLAN Network Identifier (VNI): 100 > [...] > Internet Protocol Version 6, Src: 2001:db8:1::2, Dst: 2001:db8:1::1 > 0110 .... = Version: 6 > .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) > .... 0000 00.. .... .... .... .... .... = Differentiated Services Codepoint: Default (0) > .... .... ..00 .... .... .... .... .... = Explicit Congestion Notification: Not ECN-Capable Transport (0) > .... 1011 0001 1010 1111 1011 = Flow Label: 0xb1afb > ``` > > [...] Here is the summary with links: - [net-next,v9] vxlan: add support for flowlabel inherit https://git.kernel.org/netdev/net-next/c/c6e9dba3be5e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html