Hi Hailin,

Hailin Chen <che...@arraynetworks.com.cn> writes:

> The stp could not work on netdev-dpdk if network is loop.
> Because the stp protocol negotiates designate port by sending
> BPDU packets which contains MAC address.
> However the device doesn't have MAC address in vhostuser type.
> Thus, function send_bpdu_cb would not send BPDU packets.
>
> This patch will set the MAC for device when received first packet.
>
> Signed-off-by: Hailin Chen <che...@arraynetworks.com.cn>
> ---

Thanks for the patch.

In general, I don't think this is the right approach to deal with this
type of issue.  I believe the problem statement is that OvS bridge is
unaware of the guest MAC address - did I get it right?  In that case, I
would think that a better way to solve this would be to have virtio tell
the mac address of the guest.  I don't recall right now if that's
allowed in the virtio spec, but I do remember some kind of negotiation
features.

I've CC'd Maxime, who is one of the maintainers of the virtio code from
DPDK side.  Perhaps there is an alternate way to solve this.
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