xref: /freebsd/sys/netlink/netlink_bitset.h (revision c344eff91070ccb15e81baf7897224882b417ae4)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2023 Alexander V. Chernikov <melifaro@FreeBSD.org>
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 
28 /*
29  * Generic netlink message header and attributes
30  */
31 #ifndef _NETLINK_NETLINK_BITSET_H_
32 #define	_NETLINK_NETLINK_BITSET_H_
33 
34 #include <netlink/netlink.h>
35 
36 /* Bitset type nested attributes */
37 enum {
38 	NLA_BITSET_UNSPEC,
39 	NLA_BITSET_NOMASK	= 1, /* flag: mask of valid bits not provided */
40 	NLA_BITSET_SIZE		= 2, /* u32: max valid bit # */
41 	NLA_BITSET_BITS		= 3, /* nested: array of NLA_BITSET_BIT */
42 	NLA_BITSET_VALUE	= 4, /* binary: array of bit values */
43 	NLA_BITSET_MASK		= 5, /* binary: array of valid bits */
44 	__NLA_BITSET_MAX,
45 };
46 #define	NLA_BITSET_MAX	(__NLA_BITSET_MAX - 1)
47 
48 enum {
49 	NLA_BITSET_BIT_UNSPEC,
50 	NLA_BITSET_BIT_INDEX	= 1, /* u32: index of the bit */
51 	NLA_BITSET_BIT_NAME	= 2, /* string: bit description */
52 	NLA_BITSET_BIT_VALUE	= 3, /* flag: provided if bit is set */
53 	__NLA_BITSET_BIT_MAX,
54 };
55 #define	NLA_BITSET_BIT_MAX	(__NLA_BITSET_BIT_MAX - 1)
56 
57 #endif
58