On 1 Dec 2023, at 22:04, Ilya Maximets wrote:
> If a packet is received from a UDP tunnel, it has a source port
> populated in the tunnel metadata. This field cannot be read or
> changed with OpenFlow or the tunnel configuration. However, while
> sending this packet to a different tunnel, the value remains in
> the metadata and is being sent to the datapath to use as a source
> port for this new tunnel. Tunnel implementations largely ignore
> this value, and it is a random value from a different tunnel
> anyway.
>
> Clear it while sending to a different tunnel, so the unnecessary
> information is not being passed to the datapath. This additionally
> allows traffic from one tunnel to anther to be offloaded to TC,
> as TC doesn't allow setting the source port at all.
>
> Signed-off-by: Ilya Maximets <i.maxim...@ovn.org>
> ---
I tested this patch on multiple datapath configurations, and it all seems to
pass.
Thanks for looking into this, and adding the test case.
//Eelco
Acked-by: Eelco Chaudron <echau...@redhat.com>
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