ipsec6.h revision 330897
1/*	$FreeBSD: stable/11/sys/netipsec/ipsec6.h 330897 2018-03-14 03:19:51Z eadler $	*/
2/*	$KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $	*/
3
4/*-
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the project nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35/*
36 * IPsec controller part.
37 */
38
39#ifndef _NETIPSEC_IPSEC6_H_
40#define _NETIPSEC_IPSEC6_H_
41
42#include <net/pfkeyv2.h>
43#include <netipsec/keydb.h>
44
45#ifdef _KERNEL
46#include <sys/counter.h>
47
48VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
49VNET_DECLARE(int, ip6_esp_trans_deflev);
50VNET_DECLARE(int, ip6_esp_net_deflev);
51VNET_DECLARE(int, ip6_ah_trans_deflev);
52VNET_DECLARE(int, ip6_ah_net_deflev);
53VNET_DECLARE(int, ip6_ipsec_ecn);
54
55#define	IPSEC6STAT_INC(name)	\
56    VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec6stat, name, 1)
57#define	V_ip6_esp_trans_deflev	VNET(ip6_esp_trans_deflev)
58#define	V_ip6_esp_net_deflev	VNET(ip6_esp_net_deflev)
59#define	V_ip6_ah_trans_deflev	VNET(ip6_ah_trans_deflev)
60#define	V_ip6_ah_net_deflev	VNET(ip6_ah_net_deflev)
61#define	V_ip6_ipsec_ecn		VNET(ip6_ipsec_ecn)
62
63struct inpcb;
64struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
65    struct inpcb *, int *, int);
66
67void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
68    union sockaddr_union *);
69int ipsec6_input(struct mbuf *, int, int);
70int ipsec6_in_reject(const struct mbuf *, struct inpcb *);
71int ipsec6_forward(struct mbuf *);
72int ipsec6_pcbctl(struct inpcb *, struct sockopt *);
73int ipsec6_output(struct mbuf *, struct inpcb *);
74int ipsec6_capability(struct mbuf *, u_int);
75int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
76int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
77
78int ip6_ipsec_filtertunnel(struct mbuf *);
79int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
80#endif /*_KERNEL*/
81
82#endif /*_NETIPSEC_IPSEC6_H_*/
83