RT2661_F_FWLOADED
sc->sc_flags |= RT2661_F_FWLOADED;
sc->sc_flags |= RT2661_F_FWLOADED;
sc->sc_flags &= ~RT2661_F_FWLOADED;
#define RT2661_IS_FWLOADED(_sc) (((_sc)->sc_flags & RT2661_F_FWLOADED))