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DEVLINK-TRAP(8) Linux DEVLINK-TRAP(8)
NAME
devlink-trap - devlink trap configuration
SYNOPSIS
devlink [ OPTIONS ] trap { COMMAND | help }
OPTIONS := { -v[erbose] | -s[tatistics] }
devlink trap show [ DEV trap TRAP ]
devlink trap set DEV trap TRAP [ action { trap | drop | mirror } ]
devlink trap group show [ DEV group GROUP ]
devlink trap group set DEV group GROUP [ action { trap | drop | mirror } ]
[ policer POLICER ] [ nopolicer ]
devlink trap policer set DEV policer POLICER [ rate RATE ] [ burst BURST ]
devlink trap help
DESCRIPTION
devlink trap show - display available packet traps and their attributes
DEV - specifies the devlink device from which to show packet traps. If this argument is
omitted all packet traps of all devices are listed.
trap TRAP - specifies the packet trap. Only applicable if a devlink device is also speci-
fied.
devlink trap set - set attributes of a packet trap
DEV - specifies the devlink device the packet trap belongs to.
trap TRAP - specifies the packet trap.
action { trap | drop | mirror }
packet trap action.
trap - the sole copy of the packet is sent to the CPU.
drop - the packet is dropped by the underlying device and a copy is not sent to the
CPU.
mirror - the packet is forwarded by the underlying device and a copy is sent to the
CPU.
devlink trap group show - display available packet trap groups and their attributes
DEV - specifies the devlink device from which to show packet trap groups. If this argu-
ment is omitted all packet trap groups of all devices are listed.
group GROUP - specifies the packet trap group. Only applicable if a devlink device is
also specified.
devlink trap group set - set attributes of a packet trap group
DEV - specifies the devlink device the packet trap group belongs to.
group GROUP - specifies the packet trap group.
action { trap | drop | mirror }
packet trap action. The action is set for all the packet traps member in the trap
group. The actions of non-drop traps cannot be changed and are thus skipped.
policer POLICER
packet trap policer. The policer to bind to the packet trap group. A value of "0"
will unbind the currently bound policer.
nopolicer
Unbind packet trap policer from the packet trap group.
devlink trap policer set - set attributes of packet trap policer
DEV - specifies the devlink device the packet trap policer belongs to.
policer POLICER - specifies the packet trap policer.
rate RATE - packet trap policer rate in packets per second.
burst BURST - packet trap policer burst size in packets.
EXAMPLES
devlink trap show
List available packet traps.
devlink trap group show
List available packet trap groups.
devlink -vs trap show pci/0000:01:00.0 trap source_mac_is_multicast
Show attributes and statistics of a specific packet trap.
devlink -s trap group show pci/0000:01:00.0 group l2_drops
Show attributes and statistics of a specific packet trap group.
devlink trap set pci/0000:01:00.0 trap source_mac_is_multicast action trap
Set the action of a specific packet trap to 'trap'.
devlink trap policer show
List available packet trap policers.
devlink -s trap policer show pci/0000:01:00.0 policer 1
Show attributes and statistics of a specific packet trap policer.
devlink trap policer set pci/0000:01:00.0 policer 1 rate 1000 burst 128
Set the rate and burst size of a specific packet trap policer.
SEE ALSO
devlink(8), devlink-dev(8), devlink-monitor(8),
AUTHOR
Ido Schimmel <idosch AT mellanox.com>
iproute2 2 August 2019 DEVLINK-TRAP(8)
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On Apache
Under GNU General Public License
2025-01-15 08:01 @3.140.198.3 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)