MWX_FLAG_SCANNING
sc->sc_flags |= MWX_FLAG_SCANNING;
sc->sc_flags &= ~(MWX_FLAG_SCANNING | MWX_FLAG_BGSCAN);
sc->sc_flags &= ~(MWX_FLAG_SCANNING | MWX_FLAG_BGSCAN);
sc->sc_flags |= MWX_FLAG_SCANNING;
if (sc->sc_flags & MWX_FLAG_SCANNING)