ipsec6.h revision 1.5 
1/*	$NetBSD: ipsec6.h,v 1.5 2007/02/10 09:43:05 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
68extern int ipsec6_delete_pcbpolicy __P((struct in6pcb *));
69extern int ipsec6_set_policy __P((struct in6pcb *inp, int optname,
70	caddr_t request, size_t len, int priv));
71extern int ipsec6_get_policy
72	__P((struct in6pcb *inp, caddr_t request, size_t len, struct mbuf **mp));
73extern struct secpolicy *ipsec6_checkpolicy __P((struct mbuf *, u_int,
74    u_int, int *, struct in6pcb *));
75struct secpolicy * ipsec6_check_policy(struct mbuf *,
76				const struct socket *, int, int*,int*);
77extern 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
84struct tcp6cb;
85
86extern size_t ipsec6_hdrsiz __P((struct mbuf *, u_int, struct in6pcb *));
87extern size_t ipsec6_hdrsiz_tcp __P((struct tcpcb*));
88
89struct ip6_hdr;
90extern const char *ipsec6_logpacketstr __P((struct ip6_hdr *, u_int32_t));
91
92#ifdef __NetBSD__
93/* NetBSD protosw ctlin entrypoint */
94extern void esp6_ctlinput __P((int, struct sockaddr *, void *));
95extern void ah6_ctlinput __P((int, struct sockaddr *, void *));
96#endif /* __NetBSD__ */
97
98struct m_tag;
99extern int ipsec6_common_input(struct mbuf **mp, int *offp, int proto);
100extern int ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav,
101			int skip, int protoff, struct m_tag *mt);
102extern void esp6_ctlinput(int, struct sockaddr *, void *);
103
104struct ipsec_output_state;
105
106int ipsec6_process_packet __P((struct mbuf*,struct ipsecrequest *));
107#endif /*_KERNEL*/
108
109#endif /* !_NETIPSEC_IPSEC6_H_ */
110