sc_rxdescs
__CAS_UPDATE_RXDESC(&(sc)->sc_rxdescs[(d)], \
rxstat = le64toh(sc->sc_rxdescs[sc->sc_rxptr].gd_flags);
sc->sc_rxdescs[sc->sc_rxptr].gd_flags));
sc->sc_rxdescs[sc->sc_rxptr].gd_addr));
struct gem_desc *__rxd = &sc->sc_rxdescs[(x)]; \
struct gem_desc *__rxd = &sc->sc_rxdescs[(x)]; \