ipsec6.h revision 1.17 
1/*	$NetBSD: ipsec6.h,v 1.17 2017/04/20 08:46:07 ozaki-r 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#include <netinet6/in6_pcb.h>
44
45#ifdef _KERNEL
46extern int ip6_esp_trans_deflev;
47extern int ip6_esp_net_deflev;
48extern int ip6_ah_trans_deflev;
49extern int ip6_ah_net_deflev;
50extern int ip6_ipsec_ecn;
51extern int ip6_esp_randpad;
52extern struct secpolicy ip6_def_policy;
53
54struct inpcb;
55struct in6pcb;
56
57/* KAME compatibility shims */
58#define	ipsec6_getpolicybyaddr	ipsec_getpolicybyaddr
59#define	ipsec6_getpolicybysock	ipsec_getpolicybysock
60#define	key_freesp(_x)		KEY_FREESP(&_x)
61
62int ipsec6_delete_pcbpolicy (struct in6pcb *);
63int ipsec6_set_policy (struct in6pcb *, int, const void *, size_t, kauth_cred_t);
64int ipsec6_get_policy (struct in6pcb *, const void *, size_t, struct mbuf **);
65struct secpolicy *ipsec6_checkpolicy (struct mbuf *, u_int,
66    u_int, int *, struct in6pcb *);
67struct secpolicy * ipsec6_check_policy(struct mbuf *,
68				struct in6pcb *, int, int*,int*);
69int ipsec6_in_reject (struct mbuf *, struct in6pcb *);
70
71struct tcp6cb;
72
73size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct in6pcb *);
74size_t ipsec6_hdrsiz_tcp (struct tcpcb*);
75
76struct ip6_hdr;
77const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t);
78
79/* NetBSD protosw ctlin entrypoint */
80void * esp6_ctlinput(int, const struct sockaddr *, void *);
81void * ah6_ctlinput(int, const struct sockaddr *, void *);
82
83struct m_tag;
84int ipsec6_common_input(struct mbuf **, int *, int);
85int ipsec6_common_input_cb(struct mbuf *, struct secasvar *,
86									int, int, struct m_tag *);
87int ipsec6_process_packet (struct mbuf*,struct ipsecrequest *);
88#endif /*_KERNEL*/
89
90#endif /* !_NETIPSEC_IPSEC6_H_ */
91