xref: /freebsd/sys/netlink/netlink_bitset.h (revision c344eff91070ccb15e81baf7897224882b417ae4)
1*c344eff9SAlexander V. Chernikov /*-
2*c344eff9SAlexander V. Chernikov  * SPDX-License-Identifier: BSD-2-Clause
3*c344eff9SAlexander V. Chernikov  *
4*c344eff9SAlexander V. Chernikov  * Copyright (c) 2023 Alexander V. Chernikov <melifaro@FreeBSD.org>
5*c344eff9SAlexander V. Chernikov  *
6*c344eff9SAlexander V. Chernikov  * Redistribution and use in source and binary forms, with or without
7*c344eff9SAlexander V. Chernikov  * modification, are permitted provided that the following conditions
8*c344eff9SAlexander V. Chernikov  * are met:
9*c344eff9SAlexander V. Chernikov  * 1. Redistributions of source code must retain the above copyright
10*c344eff9SAlexander V. Chernikov  *    notice, this list of conditions and the following disclaimer.
11*c344eff9SAlexander V. Chernikov  * 2. Redistributions in binary form must reproduce the above copyright
12*c344eff9SAlexander V. Chernikov  *    notice, this list of conditions and the following disclaimer in the
13*c344eff9SAlexander V. Chernikov  *    documentation and/or other materials provided with the distribution.
14*c344eff9SAlexander V. Chernikov  *
15*c344eff9SAlexander V. Chernikov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*c344eff9SAlexander V. Chernikov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*c344eff9SAlexander V. Chernikov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*c344eff9SAlexander V. Chernikov  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*c344eff9SAlexander V. Chernikov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*c344eff9SAlexander V. Chernikov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*c344eff9SAlexander V. Chernikov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*c344eff9SAlexander V. Chernikov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*c344eff9SAlexander V. Chernikov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*c344eff9SAlexander V. Chernikov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*c344eff9SAlexander V. Chernikov  * SUCH DAMAGE.
26*c344eff9SAlexander V. Chernikov  */
27*c344eff9SAlexander V. Chernikov 
28*c344eff9SAlexander V. Chernikov /*
29*c344eff9SAlexander V. Chernikov  * Generic netlink message header and attributes
30*c344eff9SAlexander V. Chernikov  */
31*c344eff9SAlexander V. Chernikov #ifndef _NETLINK_NETLINK_BITSET_H_
32*c344eff9SAlexander V. Chernikov #define	_NETLINK_NETLINK_BITSET_H_
33*c344eff9SAlexander V. Chernikov 
34*c344eff9SAlexander V. Chernikov #include <netlink/netlink.h>
35*c344eff9SAlexander V. Chernikov 
36*c344eff9SAlexander V. Chernikov /* Bitset type nested attributes */
37*c344eff9SAlexander V. Chernikov enum {
38*c344eff9SAlexander V. Chernikov 	NLA_BITSET_UNSPEC,
39*c344eff9SAlexander V. Chernikov 	NLA_BITSET_NOMASK	= 1, /* flag: mask of valid bits not provided */
40*c344eff9SAlexander V. Chernikov 	NLA_BITSET_SIZE		= 2, /* u32: max valid bit # */
41*c344eff9SAlexander V. Chernikov 	NLA_BITSET_BITS		= 3, /* nested: array of NLA_BITSET_BIT */
42*c344eff9SAlexander V. Chernikov 	NLA_BITSET_VALUE	= 4, /* binary: array of bit values */
43*c344eff9SAlexander V. Chernikov 	NLA_BITSET_MASK		= 5, /* binary: array of valid bits */
44*c344eff9SAlexander V. Chernikov 	__NLA_BITSET_MAX,
45*c344eff9SAlexander V. Chernikov };
46*c344eff9SAlexander V. Chernikov #define	NLA_BITSET_MAX	(__NLA_BITSET_MAX - 1)
47*c344eff9SAlexander V. Chernikov 
48*c344eff9SAlexander V. Chernikov enum {
49*c344eff9SAlexander V. Chernikov 	NLA_BITSET_BIT_UNSPEC,
50*c344eff9SAlexander V. Chernikov 	NLA_BITSET_BIT_INDEX	= 1, /* u32: index of the bit */
51*c344eff9SAlexander V. Chernikov 	NLA_BITSET_BIT_NAME	= 2, /* string: bit description */
52*c344eff9SAlexander V. Chernikov 	NLA_BITSET_BIT_VALUE	= 3, /* flag: provided if bit is set */
53*c344eff9SAlexander V. Chernikov 	__NLA_BITSET_BIT_MAX,
54*c344eff9SAlexander V. Chernikov };
55*c344eff9SAlexander V. Chernikov #define	NLA_BITSET_BIT_MAX	(__NLA_BITSET_BIT_MAX - 1)
56*c344eff9SAlexander V. Chernikov 
57*c344eff9SAlexander V. Chernikov #endif
58