[PATCH 4/4] doc: update send scheduling mlx5 feature description

[Viacheslav Ovsiienko <viacheslavo@nvidia.com>]

Updated:
  - send scheduling feature description for mlx5
  - release notes

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
 doc/guides/nics/mlx5.rst               | 5 +++++
 doc/guides/rel_notes/release_22_03.rst | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index c3cc0c0f41..6494f4ae39 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -934,6 +934,11 @@ Driver options
   By default (if the ``tx_pp`` is not specified) send scheduling on timestamps
   feature is disabled.
 
+  Starting since ConnectX-7 the capability to schedule traffic directly
+  on timestamp specified in descriptor is provided, no extra objects are
+  needed anymore and scheduling capability is advertised and handled
+  regardless tx_pp parameter presence.
+
 - ``tx_skew`` parameter [int]
 
   The parameter adjusts the send packet scheduling on timestamps and represents
diff --git a/doc/guides/rel_notes/release_22_03.rst b/doc/guides/rel_notes/release_22_03.rst
index ff3095d742..268f2827e2 100644
--- a/doc/guides/rel_notes/release_22_03.rst
+++ b/doc/guides/rel_notes/release_22_03.rst
@@ -109,6 +109,12 @@ New Features
   * Added rte_flow support for matching GENEVE packets.
   * Added rte_flow support for matching eCPRI packets.
 
+* **Updated Mellanox mlx5 driver.**
+
+  Updated the Mellanox mlx5 driver with new features and improvements, including:
+
+  * Support ConnectX-7 capability to schedule traffic sending on timestamp
+
 * **Updated Wangxun ngbe driver.**
 
   * Added support for devices of custom PHY interfaces.
-- 
2.18.1