ALE_RX_CMB_SZ
bzero(rx_page->cmb_addr, ALE_RX_CMB_SZ);
error = bus_dmamap_create(sc->sc_dmat, ALE_RX_CMB_SZ, 1,
ALE_RX_CMB_SZ, 0, BUS_DMA_NOWAIT,
error = bus_dmamem_alloc(sc->sc_dmat, ALE_RX_CMB_SZ,
ALE_RX_CMB_SZ,
ALE_RX_CMB_SZ, NULL, BUS_DMA_WAITOK);