rdsar            1710 dev/ic/rtw.c   	uint32_t rdsar;
rdsar            1713 dev/ic/rtw.c   	rdsar = letoh32(RTW_READ(&sc->sc_regs, RTW_RDSAR));
rdsar            1714 dev/ic/rtw.c   	next = (rdsar - RTW_RING_BASE(sc, hd_rx)) / sizeof(struct rtw_rxdesc);