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AM5728: A question about GMAC_SW in the chip AM5728

Part Number: AM5728

Hello TI experts

I want to use the forward function of GMAC_SW to achieve the effect:

GMAC_SW has 3 port, one port is connected to CPPI bus(call it port-host), two ports are connected to PHYs(call it port-A and port-B).

when port-A(or port-B) received data, it can send data to port-host, then forward the data to port-B directly. The CPU host didn't take

part in the forward process, so it can reduce CPU overhead.

My question:

(1) if it can achieve the effect ?

(2) if it can, what I need to do ? if it is related with the driver of GMAC?