[dpdk-dev] [RFC 4/4] doc: update mlx5 document for flow dump feature
Xiaoyu Min
jackmin at mellanox.com
Tue Jan 14 04:45:15 CET 2020
From: Xueming Li <xuemingl at mellanox.com>
Guide of mlx5 is updated on how to dump HW flows.
Signed-off-by: Xueming Li <xuemingl at mellanox.com>
Signed-off-by: Xiaoyu Min <jackmin at 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
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