> Hi Andrew, > > After conducting a comprehensive study, it seems that implementing > out-of-band for all link modes might not be feasible. I may have missed some > key aspects during my analysis. > > Would you be open to sharing a high-level idea of how we could potentially > make this feasible? Your insights would be greatly appreciated. stmmac_mac_link_up() gets passed interface, speed and duplex. That tells you what the PHY has negotiated. Is there anything else you need to know? Andrew