[PATCH v3] net/mlx5: fix external Rx and Tx queues access

[Raslan Darawsheh]

Hi,


On 30/10/2025 11:11 AM, Gregory Etelson wrote:
> mlx5_ext_rxq_get() and mlx5_ext_txq_get() functions did not return
> NULL value if query index was not referencing external queue.
> 
> As a result, calling functions did not expect the NULL on return.
> 
> External Rx queue:
> 
> - In mlx5_ext_rxq_get() remove assert and return NULL if a queue index
>    does not point to a valid external queue.
> 
> - In mlx5_ext_rxq_verify() validate that probed queue index references
>    a valid extern queue.
> 
> External Tx queue:
> 
> -  In mlx5_ext_txq_get() remove assert and return NULL if a queue index
>     does not point to a valid external queue.
> 
> - In mlx5_ext_txq_verify() validate that probed queue index references
>    a valid extern queue.
> 
> Fixes: 311b17e669ab ("net/mlx5: support queue/RSS actions for external Rx queue")
> 
> Signed-off-by: Gregory Etelson <getelson at nvidia.com>
> Acked-by: Dariusz Sosnowski <dsosnowski at nvidia.com>
> ---
> v2: fixed MinGW compiler warnings.
> v3: fix return value.

Patch applied to next-net-mlx,

Kindest regards
Raslan Darawsheh