[RFC net-next 1/2] net: dsa: tag_mtk: skip address learning on transmit to standalone ports

[DENG Qingfang]

On Fri, Jul 30, 2021 at 07:24:03PM +0300, Vladimir Oltean wrote:
> Considering that you also have the option of setting
> ds->assisted_learning_on_cpu_port = true and this will have less false
> positives, what are the reasons why you did not choose that approach?

After enabling it, I noticed .port_fdb_{add,del} are called with VID=0
(which it does not use now) unless I turn on VLAN filtering. Is that
normal?