DEVLINK-TRAP

Section: Linux (8)
Updated: 2 August 2019
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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 } ]

devlink trap group show [ DEV group GROUP ]

devlink trap group set DEV group GROUP [ action { trap | drop } ]

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 specified.

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 }

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.

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 argument 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 }: 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.