ipsec6.h revision 1.7 
1/*	$NetBSD: ipsec6.h,v 1.7 2007/02/18 13:27:31 degroote 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
48extern int ip6_esp_trans_deflev;
49extern int ip6_esp_net_deflev;
50extern int ip6_ah_trans_deflev;
51extern int ip6_ah_net_deflev;
52extern int ip6_ipsec_ecn;
53extern int ip6_esp_randpad;
54extern struct secpolicy ip6_def_policy;
55
56struct inpcb;
57struct 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
68int ipsec6_delete_pcbpolicy (struct in6pcb *);
69int ipsec6_set_policy (struct in6pcb *, int, caddr_t, size_t, int);
70int ipsec6_get_policy (struct in6pcb *, caddr_t, size_t, struct mbuf **);
71struct secpolicy *ipsec6_checkpolicy (struct mbuf *, u_int,
72    u_int, int *, struct in6pcb *);
73struct secpolicy * ipsec6_check_policy(struct mbuf *,
74				const struct socket *, int, int*,int*);
75int ipsec6_in_reject (struct mbuf *, struct in6pcb *);
76/*
77 * KAME ipsec6_in_reject_so(struct mbuf*, struct so)  compatibility shim
78 */
79#define ipsec6_in_reject_so(m, _so) \
80  ipsec6_in_reject(m, ((_so) == NULL? NULL : sotoin6pcb(_so)))
81
82struct tcp6cb;
83
84size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct in6pcb *);
85size_t ipsec6_hdrsiz_tcp (struct tcpcb*);
86
87struct ip6_hdr;
88const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t);
89
90#ifdef __NetBSD__
91/* NetBSD protosw ctlin entrypoint */
92extern void esp6_ctlinput(int, const struct sockaddr *, void *);
93extern void ah6_ctlinput(int, const struct sockaddr *, void *);
94#endif /* __NetBSD__ */
95
96struct m_tag;
97int ipsec6_common_input(struct mbuf **, int *, int);
98int ipsec6_common_input_cb(struct mbuf *, struct secasvar *,
99									int, int, struct m_tag *);
100
101#ifdef __FreeBSD__
102/* FreeBSD protosw ctlin entrypoint */
103void esp6_ctlinput(int, struct sockaddr *, void *);
104#endif /* __FreeBSD__ */
105
106int ipsec6_process_packet (struct mbuf*,struct ipsecrequest *);
107#endif /*_KERNEL*/
108
109#endif /* !_NETIPSEC_IPSEC6_H_ */
110