doc: update hairpin support in mlx5 guide

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@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 9469331..b20445b 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -325,6 +325,11 @@ 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 60a3cc2..7031f3e 100644 (file)
--- a/doc/guides/rel_notes/release_20_11.rst
+++ b/doc/guides/rel_notes/release_20_11.rst
@@ -189,6 +189,7 @@ 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 Solarflare network PMD.**