[PATCH 16/29] doc/guides: improve DMA sample app guide

[fengchengwen]

On 1/15/2026 6:21 AM, Stephen Hemminger wrote:
> Improve the DMA sample application documentation:
> - use Tx/Rx instead of TX/RX per DPDK style
> - use "software" and "hardware" instead of SW/HW abbreviations
> - add missing articles and fix punctuation
> - use consistent option formatting with leading dash
> - fix grammatical errors throughout
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>  doc/guides/sample_app_ug/dma.rst | 104 +++++++++++++++----------------
>  1 file changed, 52 insertions(+), 52 deletions(-)
> 

...

>  .. literalinclude:: ../../../examples/dma/dmafwd.c
> @@ -210,8 +210,8 @@ When using hardware copy each Rx queue of the port is assigned a DMA device
>  
>  The initialization of hardware device is done by ``rte_dma_configure()`` and
>  ``rte_dma_vchan_setup()`` functions using the ``rte_dma_conf`` and
> -``rte_dma_vchan_conf`` structs. After configuration the device is started
> -using ``rte_dma_start()`` function. Each of the above operations is done in
> +``rte_dma_vchan_conf`` structs. After configuration, the device is started

The rte_dma_vchan_conf is used with rte_dma_vchan_setup()
So maybe we could only descript functions, e.g.
  ``rte_dma_vchan_setup()`` functions. After configuration, the device is started

with this fixed, please:
Acked-by: Chengwen Feng <fengchengwen at huawei.com>

> +using the ``rte_dma_start()`` function. Each of the above operations is done in
>  ``configure_dmadev_queue()``.
>  

...