xref: /freebsd/sys/netipsec/ipsec6.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*	$FreeBSD$	*/
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 
48 VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
49 VNET_DECLARE(int, ip6_esp_trans_deflev);
50 VNET_DECLARE(int, ip6_esp_net_deflev);
51 VNET_DECLARE(int, ip6_ah_trans_deflev);
52 VNET_DECLARE(int, ip6_ah_net_deflev);
53 VNET_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 
63 struct inpcb;
64 struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
65     struct inpcb *, int *, int);
66 
67 void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
68     union sockaddr_union *);
69 int ipsec6_input(struct mbuf *, int, int);
70 int ipsec6_in_reject(const struct mbuf *, struct inpcb *);
71 int ipsec6_forward(struct mbuf *);
72 int ipsec6_pcbctl(struct inpcb *, struct sockopt *);
73 int ipsec6_output(struct mbuf *, struct inpcb *);
74 int ipsec6_capability(struct mbuf *, u_int);
75 int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
76 int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
77 
78 int ip6_ipsec_filtertunnel(struct mbuf *);
79 int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
80 #endif /*_KERNEL*/
81 
82 #endif /*_NETIPSEC_IPSEC6_H_*/
83