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.. 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``
Info versions
=============
The ``mlxsw`` driver reports the following versions
.. list-table:: devlink info versions implemented
:widths: 5 5 90
* - Name
- Type
- Description
* - ``hw.revision``
- fixed
- The hardware revision for this board
* - ``fw.psid``
- fixed
- Firmware PSID
* - ``fw.version``
- running
- Three digit firmware version
Line card auxiliary device info versions
========================================
The ``mlxsw`` driver reports the following versions for line card auxiliary device
.. list-table:: devlink info versions implemented
:widths: 5 5 90
* - Name
- Type
- Description
* - ``hw.revision``
- fixed
- The hardware revision for this line card
* - ``ini.version``
- running
- Version of line card INI loaded
* - ``fw.psid``
- fixed
- Line card device PSID
* - ``fw.version``
- running
- Three digit firmware version of line card device
Driver-specific Traps
=====================
.. list-table:: List of Driver-specific Traps Registered by ``mlxsw``
:widths: 5 5 90
* - Name
- Type
- Description
* - ``irif_disabled``
- ``drop``
- Traps packets that the device decided to drop because they need to be
routed from a disabled router interface (RIF). This can happen during
RIF dismantle, when the RIF is first disabled before being removed
completely
* - ``erif_disabled``
- ``drop``
- Traps packets that the device decided to drop because they need to be
routed through a disabled router interface (RIF). This can happen during
RIF dismantle, when the RIF is first disabled before being removed
completely
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