sys/netinet6/ipsec6.h

   1 /*      $FreeBSD: src/sys/netinet6/ipsec6.h,v 1.3.2.2 2001/07/03 11:01:54 ume Exp $     */
   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 _NETINET6_IPSEC6_H_
  38 #define _NETINET6_IPSEC6_H_
  39
  40 #include <net/pfkeyv2.h>
  41 #include <netproto/key/keydb.h>
  42
  43 #ifdef _KERNEL
  44
  45 struct mbuf;
  46 struct inpcb;
  47 struct tcp6cb;
  48 struct ip6_hdr;
  49 struct secasvar;
  50 struct ipsec_output_state;
  51
  52 extern struct ipsecstat ipsec6stat;
  53 extern struct secpolicy ip6_def_policy;
  54 extern int ip6_esp_trans_deflev;
  55 extern int ip6_esp_net_deflev;
  56 extern int ip6_ah_trans_deflev;
  57 extern int ip6_ah_net_deflev;
  58 extern int ip6_ipsec_ecn;
  59 extern int ip6_esp_randpad;
  60
  61 extern struct secpolicy *ipsec6_getpolicybysock
  62         (struct mbuf *, u_int, struct socket *, int *);
  63 extern struct secpolicy *ipsec6_getpolicybyaddr
  64         (struct mbuf *, u_int, int, int *);
  65
  66 extern int ipsec6_in_reject_so (struct mbuf *, struct socket *);
  67 extern int ipsec6_delete_pcbpolicy (struct inpcb *);
  68 extern int ipsec6_set_policy (struct inpcb *inp, int optname,
  69         caddr_t request, size_t len, int priv);
  70 extern int ipsec6_get_policy
  71         (struct inpcb *inp, caddr_t request, size_t len, struct mbuf **mp);
  72 extern int ipsec6_in_reject (struct mbuf *, struct inpcb *);
  73
  74 extern size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct inpcb *);
  75
  76 extern const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t);
  77
  78 extern int ipsec6_output_trans (struct ipsec_output_state *, u_char *,
  79         struct mbuf *, struct secpolicy *, int, boolean_t *);
  80 extern int ipsec6_output_tunnel (struct ipsec_output_state *,
  81         struct secpolicy *, int);
  82 extern int ipsec6_tunnel_validate (struct mbuf *, int, u_int,
  83         struct secasvar *);
  84
  85 #endif /*_KERNEL*/
  86
  87 #endif /*_NETINET6_IPSEC6_H_*/