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