GMAC_CHAN_TX_END_ADDR
dwqe_write(sc, GMAC_CHAN_TX_END_ADDR(0), DWQE_DMA_DVA(sc->sc_txring) +
dwqe_write(sc, GMAC_CHAN_TX_END_ADDR(0), DWQE_DMA_DVA(sc->sc_txring));