[dpdk-dev] [PATCH v3 7/7] doc: update mlx5 hairpin support and limitations

[Bing Zhao]

Hairpin between two ports will be supported by mlx5 PMD.

The supported scenarios and limitations are listed in "mlx5.rst".

Signed-off-by: Bing Zhao <bingz at nvidia.com>
---
 doc/guides/nics/mlx5.rst               | 5 +++++
 doc/guides/rel_notes/release_20_11.rst | 1 +
 2 files changed, 6 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 8dc7c62..ab5cc62 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -326,6 +326,11 @@ Limitations
   The last extension header item 'next header' field can specify the following
   header protocol type.
 
+- Hairpin:
+
+  - Hairpin between two ports could only manual binding and explicit Tx flow mode. For single port hairpin, all the combinations of auto/manual binding and explicit/implicit Tx flow mode could be supported.
+  - Hairpin in switchdev SR-IOV mode is not supported till now.
+
 Statistics
 ----------
 
diff --git a/doc/guides/rel_notes/release_20_11.rst b/doc/guides/rel_notes/release_20_11.rst
index f9ef4fe..1c5c2e0 100644
--- a/doc/guides/rel_notes/release_20_11.rst
+++ b/doc/guides/rel_notes/release_20_11.rst
@@ -354,6 +354,7 @@ New Features
   * Updated the supported timeout for Age action to the maximal value supported
     by rte_flow API.
   * Added support of Age action query.
+  * Added support of multi-ports hairpin.
 
 * **Updated vhost sample application.**
 
-- 
1.8.3.1