1.\" 2.\" SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3.\" 4.\" Copyright (c) 2023 Baptiste Daroussin <bapt@nours.eu> 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd Oct 5, 2023 28.Dt GENL 1 29.Os 30.Sh NAME 31.Nm genl 32.Nd "generic netlink" 33.Sh SYNOPSIS 34.Nm 35.Pp 36.Nm Cm list 37.Pp 38.Nm Cm monitor Ao family Ac Ao multicast group Ac 39.Sh DESCRIPTION 40The 41.Nm 42utility is design to provide access to the user to generic netlink 43protocols. 44.Pp 45The following commands are available: 46.Bl -tag -ident 47.It Cm list Po default Pc 48Lists all available generic netlink protocols, and presents its details: 49.Bl -tag -width "multicast groups" 50.It operations 51Id of the operation if any and associated capabilities 52.It multicast groups 53If of the available multicast group if any and it associated name 54.El 55.It Cm monitor Ao family Ac Ao multicast group Ac 56Connect to the 57.Ar family 58protocol and subscribe to the 59.Ar mulicast group 60then print the received messages in a readable format if the protocol is known. 61So far only 62.Qq nlctrl 63is known. 64.El 65.Sh SEE ALSO 66.Xr genetlink 4 , 67.Xr netlink 4 68