netdev - Re: [PATCH v2 net] vxlan: Fix regression when dropping packets due to invalid src addresses

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Date: Wed, 05 Jun 2024 10:00:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Daniel Borkmann <daniel@...earbox.net>
Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, mail@...id-bauer.net,
 idosch@...dia.com, razor@...ckwall.org, martin.lau@...nel.org
Subject: Re: [PATCH v2 net] vxlan: Fix regression when dropping packets due to
 invalid src addresses

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Mon,  3 Jun 2024 10:59:26 +0200 you wrote:
> Commit f58f45c1e5b9 ("vxlan: drop packets from invalid src-address")
> has recently been added to vxlan mainly in the context of source
> address snooping/learning so that when it is enabled, an entry in the
> FDB is not being created for an invalid address for the corresponding
> tunnel endpoint.
> 
> Before commit f58f45c1e5b9 vxlan was similarly behaving as geneve in
> that it passed through whichever macs were set in the L2 header. It
> turns out that this change in behavior breaks setups, for example,
> Cilium with netkit in L3 mode for Pods as well as tunnel mode has been
> passing before the change in f58f45c1e5b9 for both vxlan and geneve.
> After mentioned change it is only passing for geneve as in case of
> vxlan packets are dropped due to vxlan_set_mac() returning false as
> source and destination macs are zero which for E/W traffic via tunnel
> is totally fine.
> 
> [...]

Here is the summary with links:
  - [v2,net] vxlan: Fix regression when dropping packets due to invalid src addresses
    https://git.kernel.org/netdev/net/c/1cd4bc987abb

You are awesome, thank you!
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