devlink: convert driver-specific files to reStructuredText

Several drivers document what parameters they support in
a devlink-params-*.txt file. This file is supposed to contain both the
list of generic parameters implemented by the driver, as well as a list
of driver-specific parameters and their descriptions.

It would also be good if the driver documentation included other
driver-specific implementations, such as info versions, devlink
regions, and so forth.

Convert all of these documentation files to reStructuredText, and rename
them to just the driver name. Future changes will include other
driver-specific implementations. Each file will contain a table for the
generic parameters implemented, as well as a separate table for the
driver-specific parameters.

Future sections such as for devlink info versions will be added to these
files. This avoids creating additional devlink-<feature>-<driver> files
for each devlink feature, reducing clutter in the documentation folder.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Ido Schimmel <idosch@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt b/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt
index 5c8cee1..12855ab 100644 (file)
--- a/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt
+++ b/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt
@@ -39,7 +39,7 @@ but without enabling "switch" mode, or to different bridges.
 
 Devlink configuration parameters
 ====================
-See Documentation/networking/devlink-params-ti-cpsw-switch.txt
+See Documentation/networking/devlink/ti-cpsw-switch.rst
 
 ====================
 # Bridging in dual mac mode

diff --git a/Documentation/networking/devlink/bnxt.rst b/Documentation/networking/devlink/bnxt.rst
new file mode 100644 (file)
index 0000000..79e746d
--- /dev/null
+++ b/Documentation/networking/devlink/bnxt.rst
@@ -0,0 +1,41 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+bnxt devlink support
+====================
+
+This document describes the devlink features implemented by the ``bnxt``
+device driver.
+
+Parameters
+==========
+
+.. list-table:: Generic parameters implemented
+
+   * - Name
+     - Mode
+   * - ``enable_sriov``
+     - Permanent
+   * - ``ignore_ari``
+     - Permanent
+   * - ``msix_vec_per_pf_max``
+     - Permanent
+   * - ``msix_vec_per_pf_min``
+     - Permanent
+
+The ``bnxt`` driver also implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``gre_ver_check``
+     - Boolean
+     - Permanent
+     - Generic Routing Encapsulation (GRE) version check will be enabled in
+       the device. If disabled, the device will skip the version check for
+       incoming packets.

diff --git a/Documentation/networking/devlink/devlink-params-bnxt.txt b/Documentation/networking/devlink/devlink-params-bnxt.txt
deleted file mode 100644 (file)
index 481aa30..0000000
--- a/Documentation/networking/devlink/devlink-params-bnxt.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-enable_sriov           [DEVICE, GENERIC]
-                       Configuration mode: Permanent
-
-ignore_ari             [DEVICE, GENERIC]
-                       Configuration mode: Permanent
-
-msix_vec_per_pf_max    [DEVICE, GENERIC]
-                       Configuration mode: Permanent
-
-msix_vec_per_pf_min    [DEVICE, GENERIC]
-                       Configuration mode: Permanent
-
-gre_ver_check          [DEVICE, DRIVER-SPECIFIC]
-                       Generic Routing Encapsulation (GRE) version check will
-                       be enabled in the device. If disabled, device skips
-                       version checking for incoming packets.
-                       Type: Boolean
-                       Configuration mode: Permanent

diff --git a/Documentation/networking/devlink/devlink-params-mlx5.txt b/Documentation/networking/devlink/devlink-params-mlx5.txt
deleted file mode 100644 (file)
index 5071467..0000000
--- a/Documentation/networking/devlink/devlink-params-mlx5.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-flow_steering_mode     [DEVICE, DRIVER-SPECIFIC]
-                       Controls the flow steering mode of the driver.
-                       Two modes are supported:
-                       1. 'dmfs' - Device managed flow steering.
-                       2. 'smfs  - Software/Driver managed flow steering.
-                       In DMFS mode, the HW steering entities are created and
-                       managed through the Firmware.
-                       In SMFS mode, the HW steering entities are created and
-                       managed though by the driver directly into Hardware
-                       without firmware intervention.
-                       Type: String
-                       Configuration mode: runtime
-
-enable_roce            [DEVICE, GENERIC]
-                       Enable handling of RoCE traffic in the device.
-                       Defaultly enabled.
-                       Configuration mode: driverinit

diff --git a/Documentation/networking/devlink/devlink-params-mlxsw.txt b/Documentation/networking/devlink/devlink-params-mlxsw.txt
deleted file mode 100644 (file)
index c63ea9f..0000000
--- a/Documentation/networking/devlink/devlink-params-mlxsw.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-fw_load_policy         [DEVICE, GENERIC]
-                       Configuration mode: driverinit
-
-acl_region_rehash_interval     [DEVICE, DRIVER-SPECIFIC]
-                       Sets an interval for periodic ACL region rehashes.
-                       The value is in milliseconds, minimal value is "3000".
-                       Value "0" disables the periodic work.
-                       The first rehash will be run right after value is set.
-                       Type: u32
-                       Configuration mode: runtime

diff --git a/Documentation/networking/devlink/devlink-params-mv88e6xxx.txt b/Documentation/networking/devlink/devlink-params-mv88e6xxx.txt
deleted file mode 100644 (file)
index 21c4b35..0000000
--- a/Documentation/networking/devlink/devlink-params-mv88e6xxx.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-ATU_hash               [DEVICE, DRIVER-SPECIFIC]
-                       Select one of four possible hashing algorithms for
-                       MAC addresses in the Address Translation Unit.
-                       A value of 3 seems to work better than the default of
-                       1 when many MAC addresses have the same OUI.
-                       Configuration mode: runtime
-                       Type: u8. 0-3 valid.

diff --git a/Documentation/networking/devlink/devlink-params-nfp.txt b/Documentation/networking/devlink/devlink-params-nfp.txt
deleted file mode 100644 (file)
index 43e4d40..0000000
--- a/Documentation/networking/devlink/devlink-params-nfp.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-fw_load_policy         [DEVICE, GENERIC]
-                       Configuration mode: permanent
-
-reset_dev_on_drv_probe [DEVICE, GENERIC]
-                       Configuration mode: permanent

diff --git a/Documentation/networking/devlink/devlink-params-ti-cpsw-switch.txt b/Documentation/networking/devlink/devlink-params-ti-cpsw-switch.txt
deleted file mode 100644 (file)
index 4037458..0000000
--- a/Documentation/networking/devlink/devlink-params-ti-cpsw-switch.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-ale_bypass     [DEVICE, DRIVER-SPECIFIC]
-               Allows to enable ALE_CONTROL(4).BYPASS mode for debug purposes.
-               All packets will be sent to the Host port only if enabled.
-               Type: bool
-               Configuration mode: runtime
-
-switch_mode    [DEVICE, DRIVER-SPECIFIC]
-               Enable switch mode
-               Type: bool
-               Configuration mode: runtime

diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst
index ae3f209..4035cbe 100644 (file)
--- a/Documentation/networking/devlink/index.rst
+++ b/Documentation/networking/devlink/index.rst
@@ -4,7 +4,11 @@ Linux Devlink Documentation
 devlink is an API to expose device information and resources not directly
 related to any device class, such as chip-wide/switch-ASIC-wide configuration.
 
-Contents:
+Interface documentation
+-----------------------
+
+The following pages describe various interfaces available through devlink in
+general.
 
 .. toctree::
    :maxdepth: 1
@@ -14,3 +18,19 @@ Contents:
    devlink-params
    devlink-trap
    devlink-trap-netdevsim
+
+Driver-specific documentation
+-----------------------------
+
+Each driver that implements ``devlink`` is expected to document what
+parameters, info versions, and other features it supports.
+
+.. toctree::
+   :maxdepth: 1
+
+   bnxt
+   mlx5
+   mlxsw
+   mv88e6xxx
+   nfp
+   ti-cpsw-switch

diff --git a/Documentation/networking/devlink/mlx5.rst b/Documentation/networking/devlink/mlx5.rst
new file mode 100644 (file)
index 0000000..cf2e196
--- /dev/null
+++ b/Documentation/networking/devlink/mlx5.rst
@@ -0,0 +1,41 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+mlx5 devlink support
+====================
+
+This document describes the devlink features implemented by the ``mlx5``
+device driver.
+
+Parameters
+==========
+
+.. list-table:: Generic parameters implemented
+
+   * - Name
+     - Mode
+   * - ``enable_roce``
+     - driverinit
+
+The ``mlx5`` driver also implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``flow_steering_mode``
+     - string
+     - runtime
+     - Controls the flow steering mode of the driver
+
+       * ``dmfs`` Device managed flow steering. In DMFS mode, the HW
+         steering entities are created and managed through firmware.
+       * ``smfs`` Software managed flow steering. In SMFS mode, the HW
+         steering entities are created and manage through the driver without
+         firmware intervention.
+
+The ``mlx5`` driver supports reloading via ``DEVLINK_CMD_RELOAD``

diff --git a/Documentation/networking/devlink/mlxsw.rst b/Documentation/networking/devlink/mlxsw.rst
new file mode 100644 (file)
index 0000000..dfb245f
--- /dev/null
+++ b/Documentation/networking/devlink/mlxsw.rst
@@ -0,0 +1,38 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+mlxsw devlink support
+=====================
+
+This document describes the devlink features implemented by the ``mlxsw``
+device driver.
+
+Parameters
+==========
+
+.. list-table:: Generic parameters implemented
+
+   * - Name
+     - Mode
+   * - ``fw_load_policy``
+     - driverinit
+
+The ``mlxsw`` driver also implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``acl_region_rehash_interval``
+     - u32
+     - runtime
+     - Sets an interval for periodic ACL region rehashes. The value is
+       specified in milliseconds, with a minimum of ``3000``. The value of
+       ``0`` disables periodic work entirely. The first rehash will be run
+       immediately after the value is set.
+
+The ``mlxsw`` driver supports reloading via ``DEVLINK_CMD_RELOAD``

diff --git a/Documentation/networking/devlink/mv88e6xxx.rst b/Documentation/networking/devlink/mv88e6xxx.rst
new file mode 100644 (file)
index 0000000..c621212
--- /dev/null
+++ b/Documentation/networking/devlink/mv88e6xxx.rst
@@ -0,0 +1,28 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================
+mv88e6xxx devlink support
+=========================
+
+This document describes the devlink features implemented by the ``mv88e6xxx``
+device driver.
+
+Parameters
+==========
+
+The ``mv88e6xxx`` driver implements the following driver-specific parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``ATU_hash``
+     - u8
+     - runtime
+     - Select one of four possible hashing algorithms for MAC addresses in
+       the Address Translation Unit. A value of 3 may work better than the
+       default of 1 when many MAC addresses have the same OUI. Only the
+       values 0 to 3 are valid for this parameter.

diff --git a/Documentation/networking/devlink/nfp.rst b/Documentation/networking/devlink/nfp.rst
new file mode 100644 (file)
index 0000000..bbb3c6b
--- /dev/null
+++ b/Documentation/networking/devlink/nfp.rst
@@ -0,0 +1,20 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================
+nfp devlink support
+===================
+
+This document describes the devlink features implemented by the ``nfp``
+device driver.
+
+Parameters
+==========
+
+.. list-table:: Generic parameters implemented
+
+   * - Name
+     - Mode
+   * - ``fw_load_policy``
+     - permanent
+   * - ``reset_dev_on_drv_probe``
+     - permanent

diff --git a/Documentation/networking/devlink/ti-cpsw-switch.rst b/Documentation/networking/devlink/ti-cpsw-switch.rst
new file mode 100644 (file)
index 0000000..dc399e3
--- /dev/null
+++ b/Documentation/networking/devlink/ti-cpsw-switch.rst
@@ -0,0 +1,31 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+ti-cpsw-switch devlink support
+==============================
+
+This document describes the devlink features implemented by the ``ti-cpsw-switch``
+device driver.
+
+Parameters
+==========
+
+The ``ti-cpsw-switch`` driver implements the following driver-specific
+parameters.
+
+.. list-table:: Driver-specific parameters implemented
+   :widths: 5 5 5 85
+
+   * - Name
+     - Type
+     - Mode
+     - Description
+   * - ``ale_bypass``
+     - Boolean
+     - runtime
+     - Enables ALE_CONTROL(4).BYPASS mode for debugging purposes. In this
+       mode, all packets will be sent to the host port only.
+   * - ``switch_mode``
+     - Boolean
+     - runtime
+     - Enable switch mode

diff --git a/MAINTAINERS b/MAINTAINERS
index d0ea00e..2549f10 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9890,7 +9890,7 @@ S:        Maintained
 F:     drivers/net/dsa/mv88e6xxx/
 F:     include/linux/platform_data/mv88e6xxx.h
 F:     Documentation/devicetree/bindings/net/dsa/marvell.txt
-F:     Documentation/networking/devlink-params-mv88e6xxx.txt
+F:     Documentation/networking/devlink/mv88e6xxx.rst
 
 MARVELL ARMADA DRM SUPPORT
 M:     Russell King <linux@armlinux.org.uk>