mlxsw devlink support

This document describes the devlink features implemented by the mlxsw device driver.

Parameters

Generic parameters implemented

Name	Mode
fw_load_policy	driverinit

The mlxsw driver also implements the following driver-specific parameters.

Driver-specific parameters implemented

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

devlink info versions implemented

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

devlink info versions implemented

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 of Driver-specific Traps Registered by mlxsw

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