1/* $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $ */
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
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
44#ifdef _KERNEL
45#include <sys/counter.h>
46
47VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
48VNET_DECLARE(int, ip6_esp_trans_deflev);
49VNET_DECLARE(int, ip6_esp_net_deflev);
50VNET_DECLARE(int, ip6_ah_trans_deflev);
51VNET_DECLARE(int, ip6_ah_net_deflev);
52VNET_DECLARE(int, ip6_ipsec_ecn);
53
54#define IPSEC6STAT_INC(name) \
55 VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec6stat, name, 1)
56#define V_ip6_esp_trans_deflev VNET(ip6_esp_trans_deflev)
57#define V_ip6_esp_net_deflev VNET(ip6_esp_net_deflev)
58#define V_ip6_ah_trans_deflev VNET(ip6_ah_trans_deflev)
59#define V_ip6_ah_net_deflev VNET(ip6_ah_net_deflev)
60#define V_ip6_ipsec_ecn VNET(ip6_ipsec_ecn)
61
62struct inpcb;
63struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
64 struct inpcb *, int *, int);
65
66void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
67 union sockaddr_union *);
68int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
69int ipsec6_check_pmtu(struct ifnet *, struct mbuf *, struct secpolicy *, int);
70int ipsec6_process_packet(struct ifnet *, struct mbuf *, struct secpolicy *,
71 struct inpcb *, u_long);
72
73int ip6_ipsec_filtertunnel(struct mbuf *);
74int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
75#endif /*_KERNEL*/
76
77#endif /*_NETIPSEC_IPSEC6_H_*/