Merge branch 'mlx5-Support-tc-police-jump-conform-exceed-attribute'

Saeed Mahameed says:

====================
Support tc police jump conform-exceed attribute

The tc police action conform-exceed option defines how to handle
packets which exceed or conform to the configured bandwidth limit.
One of the possible conform-exceed values is jump, which skips over
a specified number of actions.
This series adds support for conform-exceed jump action.

The series adds platform support for branching actions by providing
true/false flow attributes to the branching action.
This is necessary for supporting police jump, as each branch may
execute a different action list.

The first five patches are preparation patches:
- Patches 1 and 2 add support for actions with no destinations (e.g. drop)
- Patch 3 refactor the code for subsequent function reuse
- Patch 4 defines an abstract way for identifying terminating actions
- Patch 5 updates action list validations logic considering branching actions

The following three patches introduce an interface for abstracting branching
actions:
- Patch 6 introduces an abstract api for defining branching actions
- Patch 7 generically instantiates the branching flow attributes using
  the abstract API

Patch 8 adds the platform support for jump actions, by executing the following
sequence:
  a. Store the jumping flow attr
  b. Identify the jump target action while iterating the actions list.
  c. Instantiate a new flow attribute after the jump target action.
     This is the flow attribute that the branching action should jump to.
  d. Set the target post action id on:
    d.1. The jumping attribute, thus realizing the jump functionality.
    d.2. The attribute preceding the target jump attr, if not terminating.

The next patches apply the platform's branching attributes to the police
action:
- Patch 9 is a refactor patch
- Patch 10 initializes the post meter table with the red/green flow attributes,
           as were initialized by the platform
- Patch 11 enables the offload of meter actions using jump conform-exceed
           value.
====================

Link: https://lore.kernel.org/all/20221203221337.29267-1-saeed@kernel.org/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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