xref: /freebsd/sys/netipsec/ipsec6.h (revision e0c4386e)
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 
47 VNET_PCPUSTAT_DECLARE(struct ipsecstat, ipsec6stat);
48 VNET_DECLARE(int, ip6_esp_trans_deflev);
49 VNET_DECLARE(int, ip6_esp_net_deflev);
50 VNET_DECLARE(int, ip6_ah_trans_deflev);
51 VNET_DECLARE(int, ip6_ah_net_deflev);
52 VNET_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 
62 struct inpcb;
63 struct secpolicy *ipsec6_checkpolicy(const struct mbuf *,
64     struct inpcb *, int *, int);
65 
66 void ipsec6_setsockaddrs(const struct mbuf *, union sockaddr_union *,
67     union sockaddr_union *);
68 int ipsec6_common_input_cb(struct mbuf *, struct secasvar *, int, int);
69 int ipsec6_check_pmtu(struct mbuf *, struct secpolicy *, int);
70 int ipsec6_process_packet(struct mbuf *, struct secpolicy *, struct inpcb *);
71 
72 int ip6_ipsec_filtertunnel(struct mbuf *);
73 int ip6_ipsec_pcbctl(struct inpcb *, struct sockopt *);
74 #endif /*_KERNEL*/
75 
76 #endif /*_NETIPSEC_IPSEC6_H_*/
77