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doc: add metering limitation in mlx5 guide

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A meter policy with RSS/Queue action is not supported
when dv_xmeta_en enabled.

When dv_xmeta_en enabled in legacy creating flow,
it will split into two flows
(one set_tag with jump flow and one RSS/queue action flow).
For meter policy as termination table,
it cannot split flow and
cannot support when dv_xmeta_en enabled.

Fixes: 51ec04dc7b ("net/mlx5: connect meter policy to created flows")
Cc: stable@dpdk.org

Signed-off-by: Li Zhang <lizh@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Li Zhang 2021-10-27 12:13:58 +03:00 committed by Raslan Darawsheh
parent a5a0a43bc6
commit 160f0d11bb
1 changed files with 1 additions and 0 deletions
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doc/guides/nics/mlx5.rst
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@ -435,6 +435,7 @@ Limitations
- yellow: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK and SET_TAG.
- RED: must be DROP.
- Policy actions of RSS for green and yellow should have the same configuration except queues.
- Policy with RSS/queue action is not supported when ``dv_xmeta_en`` enabled.
- meter profile packet mode is supported.
- meter profiles of RFC2697, RFC2698 and RFC4115 are supported.