xref: /freebsd/sys/netipsec/ipsec6.h (revision a2aef24aa3c8458e4036735dd6928b4ef77294e5)
1 /*	$FreeBSD$	*/
2 /*	$KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $	*/
3 
4 /*-
5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 /*
34  * IPsec controller part.
35  */
36 
37 #ifndef _NETIPSEC_IPSEC6_H_
38 #define _NETIPSEC_IPSEC6_H_
39 
40 #include <net/pfkeyv2.h>
41 #include <netipsec/keydb.h>
42 
43 #ifdef _KERNEL
44 #include <sys/counter.h>
45 
46 VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
47 VNET_DECLARE(int, ip6_esp_trans_deflev);
48 VNET_DECLARE(int, ip6_esp_net_deflev);
49 VNET_DECLARE(int, ip6_ah_trans_deflev);
50 VNET_DECLARE(int, ip6_ah_net_deflev);
51 VNET_DECLARE(int, ip6_ipsec_ecn);
52 
53 #define	IPSEC6STAT_INC(name)	\
54     VNET_PCPUSTAT_ADD(struct ipsecstat, ipsec6stat, name, 1)
55 #define	V_ip6_esp_trans_deflev	VNET(ip6_esp_trans_deflev)
56 #define	V_ip6_esp_net_deflev	VNET(ip6_esp_net_deflev)
57 #define	V_ip6_ah_trans_deflev	VNET(ip6_ah_trans_deflev)
58 #define	V_ip6_ah_net_deflev	VNET(ip6_ah_net_deflev)
59 #define	V_ip6_ipsec_ecn		VNET(ip6_ipsec_ecn)
60 
61 struct inpcb;
62 struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
63     struct inpcb *, int *, int);
64 
65 void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
66     union sockaddr_union *);
67 int ipsec6_input(struct mbuf *, int, int);
68 int ipsec6_in_reject(const struct mbuf *, struct inpcb *);
69 int ipsec6_forward(struct mbuf *);
70 int ipsec6_pcbctl(struct inpcb *, struct sockopt *);
71 int ipsec6_output(struct mbuf *, struct inpcb *);
72 int ipsec6_capability(struct mbuf *, u_int);
73 int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
74 int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
75 
76 int ip6_ipsec_filtertunnel(struct mbuf *);
77 int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
78 #endif /*_KERNEL*/
79 
80 #endif /*_NETIPSEC_IPSEC6_H_*/
81