hxge_os_dma_handle_t
hxge_os_dma_handle_t dma_handle;
tx_desc_dma_handle = (hxge_os_dma_handle_t)DMA_COMMON_HANDLE(desc_area);
hxge_os_dma_handle_t tx_desc_dma_handle;
hxge_os_dma_handle_t tx_buf_dma_handle;
hxge_os_dma_handle_t *dvma_ring;
hxge_os_dma_handle_t buf_dma_handle; /* premapped buffer handle */
hxge_os_dma_handle_t dma_handle; /* DMA handle for normal send */
hxge_os_dma_handle_t dvma_handle; /* Fast DVMA handle */