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[v6] doc: document a limitation for a meter with RSS action

Message ID 20211027053919.157783-1-lizh@nvidia.com (mailing list archive)
State Superseded, archived
Delegated to: Raslan Darawsheh
Headers
Series [v6] doc: document a limitation for a meter with RSS action |

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Commit Message

Li Zhang Oct. 27, 2021, 5:39 a.m. UTC 
  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.

Add this limitation in mlx5 guide document.

Fixes: 51ec04d ("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>
---
 doc/guides/nics/mlx5.rst | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 47709d93b3..cd28c04c1e 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -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.