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From: Li Zhang <lizh@nvidia.com>
To: <orika@nvidia.com>, <viacheslavo@nvidia.com>, <matan@nvidia.com>,
<shahafs@nvidia.com>, Shun Hao <shunh@nvidia.com>
CC: <dev@dpdk.org>, <thomas@monjalon.net>, <rasland@nvidia.com>,
<roniba@nvidia.com>, <stable@dpdk.org>
Date: Tue, 26 Oct 2021 13:10:05 +0300
Message-ID: <20211026101005.126537-1-lizh@nvidia.com>
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Subject: [dpdk-stable] [PATCH v4] doc: document a limitation for a meter
with RSS action
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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 dv_xmeta_en enabled.
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(+)
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 47709d93b3..2f46ed0263 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.
--
2.27.0