1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1
2 /*
3 * CALIPSO - Common Architecture Label IPv6 Se
4 *
5 * This is an implementation of the CALIPSO pr
6 * RFC 5570.
7 *
8 * Authors: Paul Moore <paul@paul-moore.com>
9 * Huw Davies <huw@codeweavers.com>
10 */
11
12 /*
13 * (c) Copyright Hewlett-Packard Development C
14 * (c) Copyright Huw Davies <huw@codeweavers.c
15 */
16
17 #ifndef _CALIPSO_H
18 #define _CALIPSO_H
19
20 #include <linux/types.h>
21 #include <linux/rcupdate.h>
22 #include <linux/list.h>
23 #include <linux/net.h>
24 #include <linux/skbuff.h>
25 #include <net/netlabel.h>
26 #include <net/request_sock.h>
27 #include <linux/refcount.h>
28 #include <asm/unaligned.h>
29
30 /* known doi values */
31 #define CALIPSO_DOI_UNKNOWN 0x0000000
32
33 /* doi mapping types */
34 #define CALIPSO_MAP_UNKNOWN 0
35 #define CALIPSO_MAP_PASS 2
36
37 /*
38 * CALIPSO DOI definitions
39 */
40
41 /* DOI definition struct */
42 struct calipso_doi {
43 u32 doi;
44 u32 type;
45
46 refcount_t refcount;
47 struct list_head list;
48 struct rcu_head rcu;
49 };
50
51 /*
52 * Sysctl Variables
53 */
54 extern int calipso_cache_enabled;
55 extern int calipso_cache_bucketsize;
56
57 #ifdef CONFIG_NETLABEL
58 int __init calipso_init(void);
59 void calipso_exit(void);
60 bool calipso_validate(const struct sk_buff *sk
61 #else
62 static inline int __init calipso_init(void)
63 {
64 return 0;
65 }
66
67 static inline void calipso_exit(void)
68 {
69 }
70 static inline bool calipso_validate(const stru
71 const unsi
72 {
73 return true;
74 }
75 #endif /* CONFIG_NETLABEL */
76
77 #endif /* _CALIPSO_H */
78
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