rt2560_dma_map_addr
mtod(mnew, void *), MCLBYTES, rt2560_dma_map_addr,
rt2560_dma_map_addr, &physaddr, 0);
count * RT2560_TX_DESC_SIZE, rt2560_dma_map_addr, &ring->physaddr,
count * RT2560_RX_DESC_SIZE, rt2560_dma_map_addr, &ring->physaddr,
mtod(data->m, void *), MCLBYTES, rt2560_dma_map_addr,
static void rt2560_dma_map_addr(void *, bus_dma_segment_t *, int,