netdev - [PATCH net-next 5/5] ice: Document txbalancing parameter

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Date: Tue, 23 May 2023 10:40:08 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Michal Wilczynski <michal.wilczynski@...el.com>,
	anthony.l.nguyen@...el.com,
	lukasz.czapnik@...el.com,
	przemyslaw.kitszel@...el.com,
	jiri@...nulli.us,
	linux-doc@...r.kernel.org,
	Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com>
Subject: [PATCH net-next 5/5] ice: Document txbalancing parameter

From: Michal Wilczynski <michal.wilczynski@...el.com>

New driver specific parameter 'txbalancing' was introduced.
Describe parameter in the documentation.

Signed-off-by: Michal Wilczynski <michal.wilczynski@...el.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 Documentation/networking/devlink/ice.rst | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/networking/devlink/ice.rst b/Documentation/networking/devlink/ice.rst
index 2f60e34ab926..298df8ec1930 100644
--- a/Documentation/networking/devlink/ice.rst
+++ b/Documentation/networking/devlink/ice.rst
@@ -22,6 +22,23 @@ Parameters
      - runtime
      - mutually exclusive with ``enable_roce``
 
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``txbalancing``
+     - Boolean
+     - permanent
+     - This parameter gives user flexibility to choose the 5-layer
+       transmit scheduler topology, which helps to smooth out the transmit
+       performance. The default topology is 9-layer. Each layer represents
+       a physical junction in the network. Decreased number of layers
+       improves performance, but at the same time number of network junctions
+       is reduced, which might not be desirable depending on the use case.
+
 Info versions
 =============
 
-- 
2.38.1