xref: /freebsd/sys/netipsec/ipsec6.h (revision 271c3a9060f2ee55607ebe146523f888e1db2654)
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 extern struct ipsecstat ipsec6stat;
45 extern int ip6_esp_trans_deflev;
46 extern int ip6_esp_net_deflev;
47 extern int ip6_ah_trans_deflev;
48 extern int ip6_ah_net_deflev;
49 extern int ip6_ipsec_ecn;
50 
51 struct inpcb;
52 
53 extern int ipsec6_delete_pcbpolicy __P((struct inpcb *));
54 extern int ipsec6_set_policy __P((struct inpcb *inp, int optname,
55 	caddr_t request, size_t len, struct ucred *cred));
56 extern int ipsec6_get_policy
57 	__P((struct inpcb *inp, caddr_t request, size_t len, struct mbuf **mp));
58 extern int ipsec6_in_reject __P((struct mbuf *, struct inpcb *));
59 
60 struct tcp6cb;
61 
62 extern size_t ipsec6_hdrsiz __P((struct mbuf *, u_int, struct inpcb *));
63 
64 struct ip6_hdr;
65 extern const char *ipsec6_logpacketstr __P((struct ip6_hdr *, u_int32_t));
66 
67 struct m_tag;
68 extern int ipsec6_common_input(struct mbuf **mp, int *offp, int proto);
69 extern int ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav,
70 			int skip, int protoff, struct m_tag *mt);
71 extern void esp6_ctlinput(int, struct sockaddr *, void *);
72 
73 struct ipsec_output_state;
74 extern int ipsec6_output_trans __P((struct ipsec_output_state *, u_char *,
75 	struct mbuf *, struct secpolicy *, int, int *));
76 extern int ipsec6_output_tunnel __P((struct ipsec_output_state *,
77 	struct secpolicy *, int));
78 #endif /*_KERNEL*/
79 
80 #endif /*_NETIPSEC_IPSEC6_H_*/
81