DEVLINK\-TRAP

Section: Linux (8)
Updated: 2 August 2019
Page Index
 

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.

 

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'.

 

SEE ALSO

devlink(8), devlink-dev(8), devlink-monitor(8),

 

AUTHOR

Ido Schimmel <idosch@mellanox.com>


 

Index

NAME
SYNOPSIS
DESCRIPTION
devlink trap show - display available packet traps and their attributes
devlink trap set - set attributes of a packet trap
devlink trap group show - display available packet trap groups and their attributes
devlink trap group set - set attributes of a packet trap group
EXAMPLES
SEE ALSO
AUTHOR
LinuxReviews : manual page archive : man8