Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * CALIPSO - Common Architecture Label IPv6 Security Option
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * This is an implementation of the CALIPSO protocol as specified in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * RFC 5570.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Authors: Paul Moore <paul@paul-moore.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *          Huw Davies <huw@codeweavers.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * (c) Copyright Huw Davies <huw@codeweavers.com>, 2015
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #ifndef _CALIPSO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define _CALIPSO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/rcupdate.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/net.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <net/netlabel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <net/request_sock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* known doi values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define CALIPSO_DOI_UNKNOWN          0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* doi mapping types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define CALIPSO_MAP_UNKNOWN          0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define CALIPSO_MAP_PASS             2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  * CALIPSO DOI definitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* DOI definition struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct calipso_doi {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	u32 doi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	u32 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	refcount_t refcount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)  * Sysctl Variables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) extern int calipso_cache_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) extern int calipso_cache_bucketsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #ifdef CONFIG_NETLABEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int __init calipso_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) void calipso_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) bool calipso_validate(const struct sk_buff *skb, const unsigned char *option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static inline int __init calipso_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static inline void calipso_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static inline bool calipso_validate(const struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 				    const unsigned char *option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #endif /* CONFIG_NETLABEL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #endif /* _CALIPSO_H */