[dpdk-stable] [PATCH] net/mlx5: allow meta modifications in legacy mode

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: Alexander Kozyrev <akozyrev at nvidia.com>
> Sent: Tuesday, October 26, 2021 6:10 PM
> 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: allow meta modifications in legacy mode
> 
> The MODIFY_FIELD RTE action rejects copy to/from metadata in case of the
> legacy mode extensive flow metadata support.
> It is not consistent with SET_META action that has no such restriction
> imposed. Registers A or B are used for META in legacy mode. Allow meta
> modifications in legacy mode as well.
> 
> On other hand, SET_META rejects actions in case register C is not available
> even though it is not needed in legacy mode.
> Skip this check for legacy mode and allow setting META.
> 
> Fixes: edf325d421 ("net/mlx5: check extended metadata for meta
> modification")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Alexander Kozyrev <akozyrev at nvidia.com>
> Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh