[dpdk-stable] [PATCH] net/mlx5: check meta register width for modify field

[Slava Ovsiienko]

> -----Original Message-----
> From: Alexander Kozyrev <akozyrev at nvidia.com>
> Sent: Thursday, May 13, 2021 22:55
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>; Slava
> Ovsiienko <viacheslavo at nvidia.com>; Matan Azrad <matan at nvidia.com>
> Subject: [PATCH] net/mlx5: check meta register width for modify field
> 
> The modify_field Flow API assumes that the META item is 32 bits wide.
> But the C Register that is used for Meta item can be 16 or 32 bits wide
> depending on kernel and firmware configurations.
> Take this into consideration and use the appropriate META width.
> 
> Fixes: 641dbe4fb0 ("net/mlx5: support modify field flow action")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Alexander Kozyrev <akozyrev at nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>