.. 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