CGEM_RXDESC_OWN
sc->rxring[i].addr = CGEM_RXDESC_OWN;
rx_desc->addr = CGEM_RXDESC_OWN | CGEM_RXDESC_WRAP;
sc->rxring[i].addr = CGEM_RXDESC_OWN;
(sc->rxring[sc->rxring_tl_ptr].addr & CGEM_RXDESC_OWN) != 0) {