linux-kernel - [PATCH net-next 1/9] devlink: add documentation for hns3 driver

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Message-ID: <1626053698-46849-2-git-send-email-huangguangbin2@huawei.com>
Date:   Mon, 12 Jul 2021 09:34:50 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <jiri@...dia.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <chenhao288@...ilicon.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH net-next 1/9] devlink: add documentation for hns3 driver

From: Hao Chen <chenhao288@...ilicon.com>

Add a file to document devlink support for hns3 driver.

Now support devlink param and devlink info.

Signed-off-by: Hao Chen <chenhao288@...ilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 Documentation/networking/devlink/hns3.rst  | 51 ++++++++++++++++++++++++++++++
 Documentation/networking/devlink/index.rst |  1 +
 2 files changed, 52 insertions(+)
 create mode 100644 Documentation/networking/devlink/hns3.rst

diff --git a/Documentation/networking/devlink/hns3.rst b/Documentation/networking/devlink/hns3.rst
new file mode 100644
index 000000000000..798158eb96ee
--- /dev/null
+++ b/Documentation/networking/devlink/hns3.rst
@@ -0,0 +1,51 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+hns3 devlink support
+====================
+
+This document describes the devlink features implemented by the ``hns3``
+device driver.
+
+Parameters
+==========
+
+The ``hns3`` driver implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 10 10 10 70
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``rx_buf_len``
+     - U32
+     - driverinit
+     - Set rx BD buffer size.
+
+       * Now only support setting 2048 and 4096.
+   * - ``tx_buf_size``
+     - U32
+     - driverinit
+     - Set tx spare buf size.
+
+       * The size is setted for tx bounce feature.
+
+The ``hns3`` driver supports reloading via ``DEVLINK_CMD_RELOAD``
+
+Info versions
+=============
+
+The ``hns3`` driver reports the following versions
+
+.. list-table:: devlink info versions implemented
+   :widths: 10 10 80
+
+   * - Name
+     - Type
+     - Description
+   * - ``fw``
+     - running
+     - Used to represent the firmware version.
diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst
index b3b9e0692088..03f56ed2961f 100644
--- a/Documentation/networking/devlink/index.rst
+++ b/Documentation/networking/devlink/index.rst
@@ -34,6 +34,7 @@ parameters, info versions, and other features it supports.
    :maxdepth: 1
 
    bnxt
+   hns3
    ionic
    ice
    mlx4
-- 
2.8.1