Re: [PATCH] net/mlx5: fix skipping PF representors

[Raslan Darawsheh <rasland@nvidia.com>]

Hi,

On 07/04/2026 1:31 PM, Dariusz Sosnowski wrote:
> Offending patch changed logic of matching IB ports to requested
> representors in mlx5 driver.
> Each found IB port was matched against all requested representors.
> Whenever:
> 
> - requested representor was VF or SF
> - PF was not ignored
> - IB port was physical port
> - physical port index matched requested PF index
> 
> the physical port representor was probed.
> If any of the above is false, mlx5 driver should have continue testing
> other requested PF representors.
> In the offending patch, the representor matching loop was stopped.
> As a result, if mlx5 device with MPESW enabled was probed with the
> following devargs:
> 
> 	-a 08:00.0,dv_flow_en=2,representor=pf[0-1]vf[0,1]
> 
> Only 5 ports were probed (physical port 0 and all VF representors),
> instead of 6 ports (physical port 1 is missing).
> 
> This patch fixes that by continuing representor matching loop
> on physical port to PF index mismatch as described above.
> 
> Fixes: 2f7cdd821b1b ("net/mlx5: fix probing to allow BlueField Socket Direct")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
> Acked-by: Bing Zhao <bingz@nvidia.com>

Patch applied to next-net-mlx,

Kindest regards
Raslan Darawsheh