iavf_adv_speed_to_ext_speed
__DECONST(char *, iavf_ext_speed_to_str(iavf_adv_speed_to_ext_speed(sc->link_speed_adv))),
ext_speed = iavf_adv_speed_to_ext_speed(sc->link_speed_adv);
enum iavf_ext_link_speed iavf_adv_speed_to_ext_speed(u32 adv_link_speed);