Re: [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 08:41:35PM +0300, Vladimir Oltean wrote:
> On Fri, Jul 30, 2021 at 08:39:02PM +0300, Vladimir Oltean wrote:
> > Ah, mt7530 is one of the switches which has multiple CPU ports, I had
> > forgotten that. In that case, then static FDB entries are pretty much
> > the only way to go indeed.
> 
> I forget which ones are the modes in which the multi-CPU feature on
> mt7530 is supposed to be used: static assignment of user ports to CPU
> ports, or LAG between the CPU ports, or a mix of both?

MT7530 only supports static assignment, by changing the port matrix.

MT7531 also supports hardware LAG, but I don't think it's ideal because
its CPU ports have different speeds (one 1Gbps RGMII and the other 2.5Gbps
HSGMII).