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From: Xiaoyu Min <jackmin@mellanox.com>
To: viacheslavo@mellanox.com, matan@mellanox.com, rasland@mellanox.com,
 Shahaf Shuler <shahafs@mellanox.com>,
 John McNamara <john.mcnamara@intel.com>,
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Cc: dev@dpdk.org,
	Xueming Li <xuemingl@mellanox.com>
Date: Tue, 14 Jan 2020 05:45:15 +0200
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Subject: [dpdk-dev] [RFC 4/4] doc: update mlx5 document for flow dump feature
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From: Xueming Li <xuemingl@mellanox.com>

Guide of mlx5 is updated on how to dump HW flows.

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Signed-off-by: Xiaoyu Min <jackmin@mellanox.com>
---
 doc/guides/nics/mlx5.rst | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 92228d3cca..4781aae0aa 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -1316,3 +1316,31 @@ ConnectX-4/ConnectX-5/ConnectX-6/BlueField devices managed by librte_pmd_mlx5.
       Port 3 Link Up - speed 10000 Mbps - full-duplex
       Done
       testpmd>
+
+HowTo dump flows
+----------------
+
+This section demonstrates how to dump flows. Currently, it's possible to dump
+all flows with assistence of external tools.
+
+#. 2 ways to get flow raw file:
+
+   - Using testpmd CLI:
+
+   .. code-block:: console
+
+       testpmd> flow dump <port> <output_file>
+
+   - call mlx5 PMD api in rte_pmd_mlx5.h:
+
+   .. code-block:: console
+
+       rte_pmd_mlx5_flow_dump(port, file);
+
+#. Dump humanreadable flows from raw file:
+
+   Get flow parsing tool from: https://github.com/Mellanox/mlx_steering_dump
+
+   .. code-block:: console
+
+       mlx_steering_dump.py -f <output_file>
-- 
2.24.1