mlx5-updates-2023-12-13

Preparation for mlx5e socket direct feature.

Socket direct will allow multiple PF devices attached to different
NUMA nodes but sharing the same physical port.

The following series is a small refactoring series in preparation
to support socket direct in the following submission.

Highlights:
 - Define required device registers and bits related to socket direct
 - Flow steering re-arrangements
 - Generalize TX objects (TISs) and store them in a common object, will
   be useful in the next series for per function object management.
 - Decouple raw CQ objects from their parent netdev priv
 - Prepare devcom for Socket Direct device group discovery.

Please see the individual patches for more information.
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