genl-ctrl-list8
List available kernel-side generic netlink families
Usage
genl-ctrl-list [-d]
Overview
Queries the Generic Netlink controller in kernel and prints a list of all registered Generic Netlink families including the version of the interface that has been registered.
Options
-
-h or --help -
Print help text to console and exit.
-
-v or --version -
Print versioning information to console and exit.
-
-d or --details -
Include additional detailed information for each Generic Netlink family that is printed.
The information includes:
- hdrsize N
-
The size of the user specific header.
- maxattr N
-
The maximum Netlink attribute identifier expected by the interface.
- op NAME (ID) <FLAGS>
-
A list of available operations including their name, numeric identifier and the flags indicating the capabilities of the opertion.
Available flags:
- admin-perm
-
Requires administrative privileges
- has-doit
-
Command can handle request
- has-dump
-
Command can handle a dump request
- has-policy
-
Command enforces attribute validation policy
- grp NAME (ID)
-
A list of registered multicast groups including name (if available) and identifier.
Example:0x0010 nlctrl version 2
hdrsize 0 maxattr 7
op GETFAMILY (0x03) <has-doit,has-dump,has-policy>
grp notify (0x10)
Examples
$ genl-ctrl-list
0x0010 nlctrl version 2
0x0011 NLBL_MGMT version 3
0x0012 NLBL_CIPSOv4 version 3
0x0013 NLBL_UNLBL version 3
0x0014 acpi_event version 1
0x0015 thermal_event version 1
0x0016 VFS_DQUOT version 1
0x0017 TASKSTATS version 1
0x0018 NET_DM version 2
Releases
Unchanged in 7 releases since Debian 8 (Jessie).