genl-ctrl-list - List available kernel-side Generic Netlink
families
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.
- -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)
$ 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
Thomas Graf is the original author and current maintainer of libnl
and libnl tools. Many people have contributed to it since.