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-rw-r--r--Documentation/networking/devlink/index.rst1
-rw-r--r--Documentation/networking/devlink/mlx4.rst43
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diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst
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@@ -29,6 +29,7 @@ parameters, info versions, and other features it supports.
:maxdepth: 1
bnxt
+ mlx4
mlx5
mlxsw
mv88e6xxx
diff --git a/Documentation/networking/devlink/mlx4.rst b/Documentation/networking/devlink/mlx4.rst
new file mode 100644
index 000000000000..4fa5c2b51c52
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+++ b/Documentation/networking/devlink/mlx4.rst
@@ -0,0 +1,43 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+mlx4 devlink support
+====================
+
+This document describes the devlink features implemented by the ``mlx4``
+device driver.
+
+Parameters
+==========
+
+.. list-table:: Generic parameters implemented
+
+ * - Name
+ - Mode
+ * - ``internal_err_reset``
+ - driverinit, runtime
+ * - ``max_macs``
+ - driverinit
+ * - ``region_snapshot_enable``
+ - driverinit, runtime
+
+The ``mlx4`` driver also implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+ :widths: 5 5 5 85
+
+ * - Name
+ - Type
+ - Mode
+ - Description
+ * - ``enable_64b_cqe_eqe``
+ - Boolean
+ - driverinit
+ - Enable 64 byte CQEs/EQEs, if the FW supports it.
+ * - ``enable_4k_uar``
+ - Boolean
+ - driverinit
+ - Enable using the 4k UAR.
+
+The ``mlx4`` driver supports reloading via ``DEVLINK_CMD_RELOAD``