TX_DESC_SIZE
error = bus_dmamap_create(sc->dmat, TX_DESC_SIZE, 1, TX_DESC_SIZE, 0,
error = bus_dmamem_alloc(sc->dmat, TX_DESC_SIZE, DESC_ALIGN, 0,
TX_DESC_SIZE, (void *)&sc->tx.desc_ring,
TX_DESC_SIZE, NULL, BUS_DMA_WAITOK);
memset(sc->tx.desc_ring, 0, TX_DESC_SIZE);
bus_dmamap_sync(sc->dmat, sc->tx.desc_map, 0, TX_DESC_SIZE,
error = bus_dmamap_create(sc->sc_dmat, TX_DESC_SIZE, 1, TX_DESC_SIZE,
error = bus_dmamem_alloc(sc->sc_dmat, TX_DESC_SIZE, DESC_ALIGN,
TX_DESC_SIZE, (void *)&sc->sc_tx.desc_ring,
sc->sc_tx.desc_ring, TX_DESC_SIZE, NULL, BUS_DMA_WAITOK);
memset(sc->sc_tx.desc_ring, 0, TX_DESC_SIZE);
bus_dmamap_sync(sc->sc_dmat, sc->sc_tx.desc_map, 0, TX_DESC_SIZE,