1/* $NetBSD: ipsec6.h,v 1.14 2016/07/07 06:55:43 msaitoh 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 key_freesp(_x) KEY_FREESP(&_x)
63
64int ipsec6_delete_pcbpolicy (struct in6pcb *);
65int ipsec6_set_policy (struct in6pcb *, int, const void *, size_t, kauth_cred_t);
66int ipsec6_get_policy (struct in6pcb *, const void *, size_t, struct mbuf **);
67struct secpolicy *ipsec6_checkpolicy (struct mbuf *, u_int,
68 u_int, int *, struct in6pcb *);
69struct secpolicy * ipsec6_check_policy(struct mbuf *,
70 const struct socket *, int, int*,int*);
71int ipsec6_in_reject (struct mbuf *, struct in6pcb *);
72/*
73 * KAME ipsec6_in_reject_so(struct mbuf*, struct so) compatibility shim
74 */
75#define ipsec6_in_reject_so(m, _so) \
76 ipsec6_in_reject(m, ((_so) == NULL? NULL : sotoin6pcb(_so)))
77
78struct tcp6cb;
79
80size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct in6pcb *);
81size_t ipsec6_hdrsiz_tcp (struct tcpcb*);
82
83struct ip6_hdr;
84const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t);
85
86#ifdef __NetBSD__
87/* NetBSD protosw ctlin entrypoint */
88void * esp6_ctlinput(int, const struct sockaddr *, void *);
89void * ah6_ctlinput(int, const struct sockaddr *, void *);
90#endif /* __NetBSD__ */
91
92struct m_tag;
93int ipsec6_common_input(struct mbuf **, int *, int);
94int ipsec6_common_input_cb(struct mbuf *, struct secasvar *,
95 int, int, struct m_tag *);
96
97#ifdef __FreeBSD__
98/* FreeBSD protosw ctlin entrypoint */
99void esp6_ctlinput(int, struct sockaddr *, void *);
100#endif /* __FreeBSD__ */
101
102int ipsec6_process_packet (struct mbuf*,struct ipsecrequest *);
103#endif /*_KERNEL*/
104
105#endif /* !_NETIPSEC_IPSEC6_H_ */
106