[PATCH v5 5/5] ethdev: add MPLS header modification support

[Ferruh Yigit]

On 5/23/2023 10:31 PM, Michael Baum wrote:
> Add support for MPLS modify header using "RTE_FLOW_FIELD_MPLS" id.
> 
> Since MPLS heaser might appear more the one time in inner/outer/tunnel,

header, fixed while merging.

> a new field was added to "rte_flow_action_modify_data" structure in
> addition to "level" field.
> The "tag_index" field is the index of the header inside encapsulation
> level. It is used for modify multiple MPLS headers in same encapsulation
> level.
> 
> This addition enables to modify multiple VLAN headers too, so the
> description of "RTE_FLOW_FIELD_VLAN_XXXX" was updated.
> 
> Since the "tag_index" field is added, the "RTE_FLOW_FIELD_TAG" type
> moves to use it for tag array instead of using "level" field.
> Using "level" is still supported for backwards compatibility when
> "tag_index" field is zero.
> 
> Signed-off-by: Michael Baum <michaelba at nvidia.com>
> Acked-by: Ori Kam <orika at nvidia.com>

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