LINK_CONFIG_SIZE
u32 link_config[LINK_CONFIG_SIZE];
u32 supported[LINK_CONFIG_SIZE];
u32 advertising[LINK_CONFIG_SIZE];
u16 req_duplex[LINK_CONFIG_SIZE];
u16 req_flow_ctrl[LINK_CONFIG_SIZE];
u16 req_line_speed[LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
u32 speed_cap_mask[LINK_CONFIG_SIZE];