[PATCH net v2] net: airoha: Take into account out-of-order tx completions in airoha_dev_xmit()

[Simon Horman]

On Sun, Oct 12, 2025 at 11:19:44AM +0200, Lorenzo Bianconi wrote:
> Completion napi can free out-of-order tx descriptors if hw QoS is
> enabled and packets with different priority are queued to same DMA ring.
> Take into account possible out-of-order reports checking if the tx queue
> is full using circular buffer head/tail pointer instead of the number of
> queued packets.
> 
> Fixes: 23020f0493270 ("net: airoha: Introduce ethernet support for EN7581 SoC")
> Suggested-by: Simon Horman <horms at kernel.org>
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
> ---
> Changes in v2:
> - Fix corner case when the queue is full
> - Link to v1: https://lore.kernel.org/r/20251010-airoha-tx-busy-queue-v1-1-9e1af5d06104@kernel.org

Thanks for the update.

Reviewed-by: Simon Horman <horms at kernel.org>