ELINK_LINK_CONFIG_SIZE
u32_t link_config[ELINK_LINK_CONFIG_SIZE];
u16 req_duplex[ELINK_LINK_CONFIG_SIZE];
u16 req_flow_ctrl[ELINK_LINK_CONFIG_SIZE];
u16 req_line_speed[ELINK_LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
u32 speed_cap_mask[ELINK_LINK_CONFIG_SIZE];
u32_t supported[ELINK_LINK_CONFIG_SIZE];