FreeBSD/Linux Kernel Cross Reference
sys/netipsec/ipsec6.h
1 /* $NetBSD: ipsec6.h,v 1.4.24.1 2007/05/24 19:13:13 pavel Exp $ */
2 /* $FreeBSD: src/sys/netipsec/ipsec6.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */
3 /* $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $ */
4
5 /*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 /*
35 * IPsec controller part.
36 */
37
38 #ifndef _NETIPSEC_IPSEC6_H_
39 #define _NETIPSEC_IPSEC6_H_
40
41 #include <net/pfkeyv2.h>
42 #include <netipsec/keydb.h>
43 #ifdef __NetBSD__
44 #include <netinet6/in6_pcb.h>
45 #endif
46
47 #ifdef _KERNEL
48 extern int ip6_esp_trans_deflev;
49 extern int ip6_esp_net_deflev;
50 extern int ip6_ah_trans_deflev;
51 extern int ip6_ah_net_deflev;
52 extern int ip6_ipsec_ecn;
53 extern int ip6_esp_randpad;
54 extern struct secpolicy ip6_def_policy;
55
56 struct inpcb;
57 struct in6pcb;
58
59 /* KAME compatibility shims */
60 #define ipsec6_getpolicybyaddr ipsec_getpolicybyaddr
61 #define ipsec6_getpolicybysock ipsec_getpolicybysock
62 #define ipsec6stat newipsecstat
63 #define out_inval ips_out_inval
64 #define in_polvio ips_in_polvio
65 #define out_polvio ips_out_polvio
66 #define key_freesp(_x) KEY_FREESP(&_x)
67
68 extern int ipsec6_delete_pcbpolicy __P((struct in6pcb *));
69 extern int ipsec6_set_policy __P((struct in6pcb *inp, int optname,
70 caddr_t request, size_t len, int priv));
71 extern int ipsec6_get_policy
72 __P((struct in6pcb *inp, caddr_t request, size_t len, struct mbuf **mp));
73 extern struct secpolicy *ipsec6_checkpolicy __P((struct mbuf *, u_int,
74 u_int, int *, struct in6pcb *));
75 struct secpolicy * ipsec6_check_policy(struct mbuf *,
76 const struct socket *, int, int*,int*);
77 extern int ipsec6_in_reject __P((struct mbuf *, struct in6pcb *));
78 /*
79 * KAME ipsec6_in_reject_so(struct mbuf*, struct so) compatibility shim
80 */
81 #define ipsec6_in_reject_so(m, _so) \
82 ipsec6_in_reject(m, ((_so) == NULL? NULL : sotoin6pcb(_so)))
83
84 struct tcp6cb;
85
86 extern size_t ipsec6_hdrsiz __P((struct mbuf *, u_int, struct in6pcb *));
87 extern size_t ipsec6_hdrsiz_tcp __P((struct tcpcb*));
88
89 struct ip6_hdr;
90 extern const char *ipsec6_logpacketstr __P((struct ip6_hdr *, u_int32_t));
91
92 #ifdef __NetBSD__
93 /* NetBSD protosw ctlin entrypoint */
94 extern void esp6_ctlinput __P((int, struct sockaddr *, void *));
95 extern void ah6_ctlinput __P((int, struct sockaddr *, void *));
96 #endif /* __NetBSD__ */
97
98 struct m_tag;
99 extern int ipsec6_common_input(struct mbuf **mp, int *offp, int proto);
100 extern int ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav,
101 int skip, int protoff, struct m_tag *mt);
102 extern void esp6_ctlinput(int, struct sockaddr *, void *);
103
104 struct ipsec_output_state;
105
106 int ipsec6_process_packet __P((struct mbuf*,struct ipsecrequest *));
107 #endif /*_KERNEL*/
108
109 #endif /* !_NETIPSEC_IPSEC6_H_ */
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