[PATCH] net/mlx5: fix modify field action on group 0

[Raslan Darawsheh]

Hi,


On 25/04/2025 10:32 PM, Dariusz Sosnowski wrote:
> HW modify header commands generated for multiple modify field
> flow actions, which modify/access the same packet fields
> do not have to be separated by NOPs when used on group 0.
> This is because:
> 
> - On group > 0, HW uses Modify Header Pattern objects
>    which require NOP explicitly.
> - On group 0, modify field action is implemented using
>    Modify Header Context object managed by FW.
>    FW inserts requires NOPs internally.
> 
> mlx5 PMD inserted NOP always, which caused flow/table creation
> failures on group 0 flow rules.
> This patch addresses that.
> 
> Fixes: 0f4aa72b99da ("net/mlx5: support flow modify field with HWS")
> Cc: suanmingm at nvidia.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Dariusz Sosnowski <dsosnowski at nvidia.com>
> Acked-by: Bing Zhao <bingz at nvidia.com>
Patch applied to next-net-mlx,

-- 
Kindest regards
Raslan Darawsheh