MACDMA_TX_ADDR
MACDMA_TX_ADDR(nexttx),
MACDMA_TX_ADDR(i)) & TX_ADDR_DN) == 0)
MACDMA_TX_ADDR(i), 0);
MACDMA_TX_ADDR(i), sc->sc_txbufs[i].buf_paddr);
MACDMA_TX_ADDR(0)));