dwc_gmac_txdesc_sync
dwc_gmac_txdesc_sync(sc, first, sc->sc_txq.t_cur,
dwc_gmac_txdesc_sync(sc, i, i + 1,
static void dwc_gmac_txdesc_sync(struct dwc_gmac_softc *, int, int, int);
dwc_gmac_txdesc_sync(sc, start, sc->sc_txq.t_cur,