projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1ccea77e | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| cb72d382 HD |
2 | /* |
| 3 | * CALIPSO - Common Architecture Label IPv6 Security Option | |
| 4 | * | |
| 5 | * This is an implementation of the CALIPSO protocol as specified in | |
| 6 | * RFC 5570. | |
| 7 | * | |
| 8 | * Authors: Paul Moore <paul@paul-moore.com> | |
| 9 | * Huw Davies <huw@codeweavers.com> | |
| cb72d382 HD |
10 | */ |
| 11 | ||
| 12 | /* | |
| 13 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 | |
| 14 | * (c) Copyright Huw Davies <huw@codeweavers.com>, 2015 | |
| cb72d382 HD |
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> | |
| edcd9270 | 27 | #include <linux/refcount.h> |
| cb72d382 HD |
28 | #include <asm/unaligned.h> |
| 29 | ||
| 30 | /* known doi values */ | |
| 31 | #define CALIPSO_DOI_UNKNOWN 0x00000000 | |
| 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 | ||
| edcd9270 | 46 | refcount_t refcount; |
| cb72d382 HD |
47 | struct list_head list; |
| 48 | struct rcu_head rcu; | |
| 49 | }; | |
| 50 | ||
| 4fee5242 HD |
51 | /* |
| 52 | * Sysctl Variables | |
| 53 | */ | |
| 54 | extern int calipso_cache_enabled; | |
| 55 | extern int calipso_cache_bucketsize; | |
| 56 | ||
| cb72d382 HD |
57 | #ifdef CONFIG_NETLABEL |
| 58 | int __init calipso_init(void); | |
| 59 | void calipso_exit(void); | |
| 2e532b70 | 60 | bool calipso_validate(const struct sk_buff *skb, const unsigned char *option); |
| cb72d382 HD |
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 | } | |
| 2e532b70 HD |
70 | static inline bool calipso_validate(const struct sk_buff *skb, |
| 71 | const unsigned char *option) | |
| 72 | { | |
| 73 | return true; | |
| 74 | } | |
| cb72d382 HD |
75 | #endif /* CONFIG_NETLABEL */ |
| 76 | ||
| 77 | #endif /* _CALIPSO_H */ |