[PATCH v1] net/zxdh: optimize Rx/Tx path performance

[Stephen Hemminger]

On Thu, 26 Mar 2026 10:28:28 +0800
Junlong Wang <wang.junlong1 at zte.com.cn> wrote:

> This patch optimizes the ZXDH PMD's receive and transmit path for better
> performance through several improvements:
> 
> - Add simple TX/RX burst functions (zxdh_xmit_pkts_simple and
>   zxdh_recv_single_pkts) for single-segment packet scenarios.
> - Remove RX software ring (sw_ring) to reduce memory allocation and
>   copy.
> - Optimize descriptor management with prefetching and simplified
>   cleanup.
> - Reorganize structure fields for better cache locality.
> 
> These changes reduce CPU cycles and memory bandwidth consumption,
> resulting in improved packet processing throughput.
> 
> Signed-off-by: Junlong Wang <wang.junlong1 at zte.com.cn>
> ---

Two late for new features in 26.03, will look at it for 26.07