[dpdk-dev] [PATCH v4 26/26] doc: add mlx5 multiple-thread flow insertion optimization

[Suanming Mou]

This commit adds the multiple-thread flow insertion optimization
description.

Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
Acked-by: Matan Azrad <matan at nvidia.com>
---
 doc/guides/nics/mlx5.rst               | 5 +++++
 doc/guides/rel_notes/release_21_08.rst | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index a16af32e67..d7d7ba9741 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -445,6 +445,11 @@ Limitations
   - 256 ports maximum.
   - 4M connections maximum.
 
+- Multiple-thread flow insertion:
+
+  - In order to achieve best insertion rate, application should manage the flows on the rte-lcore.
+  - Better to configure ``reclaim_mem_mode`` as 0 to accelerate the flow object allocate and release with cache.
+
 Statistics
 ----------
 
diff --git a/doc/guides/rel_notes/release_21_08.rst b/doc/guides/rel_notes/release_21_08.rst
index 0a05cb02fa..d187edc303 100644
--- a/doc/guides/rel_notes/release_21_08.rst
+++ b/doc/guides/rel_notes/release_21_08.rst
@@ -68,6 +68,12 @@ New Features
   usecases. Configuration happens via standard rawdev enq/deq operations. See
   the :doc:`../rawdevs/cnxk_bphy` rawdev guide for more details on this driver.
 
+* **Updated Mellanox mlx5 driver.**
+
+  Updated the Mellanox mlx5 driver with new features and improvements, including:
+
+  * Optimize multiple-thread flow insertion rate.
+
 
 Removed Items
 -------------
-- 
2.25.1