From: patchwork-bot+netdevbpf@kernel.org
To: Alce Lafranque <alce@lafranque.net>
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
Subject: Re: [PATCH net-next v9] vxlan: add support for flowlabel inherit
Date: Thu, 16 Nov 2023 22:40:26 +0000 [thread overview]
Message-ID: <170017442635.21715.6334540294101418233.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20231114173657.1553-1-alce@lafranque.net>
Hello:
This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:
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!
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prev parent reply other threads:[~2023-11-16 22:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-14 17:36 [PATCH net-next v9] vxlan: add support for flowlabel inherit Alce Lafranque
2023-11-16 22:40 ` patchwork-bot+netdevbpf [this message]
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