sys/netproto/ipsec/ipsec6.h

   1 /*      $FreeBSD: src/sys/netipsec/ipsec6.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $     */
   2 /*      $DragonFly: src/sys/netproto/ipsec/ipsec6.h,v 1.4 2003/08/23 10:06:23 rob Exp $ */
   3 /*      $KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $  */
   4
   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 "keydb.h"
  43
  44 #ifdef _KERNEL
  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 extern int ip6_esp_randpad;
  51
  52 struct inpcb;
  53 union netmsg;
  54
  55 /* KAME compatibility shims */
  56 #define ipsec6_getpolicybyaddr  ipsec_getpolicybyaddr
  57 #define ipsec6_getpolicybysock  ipsec_getpolicybysock
  58 #define ipsec6stat              newipsecstat
  59 #define out_inval               ips_out_inval
  60 #define in_polvio               ips_in_polvio
  61 #define out_polvio              ips_out_polvio
  62 #define key_freesp(_x)          KEY_FREESP(&_x)
  63
  64 extern int ipsec6_delete_pcbpolicy (struct inpcb *);
  65 extern int ipsec6_set_policy (struct inpcb *inp, int optname,
  66         caddr_t request, size_t len, int priv);
  67 extern int ipsec6_get_policy
  68         (struct inpcb *inp, caddr_t request, size_t len, struct mbuf **mp);
  69 extern int ipsec6_in_reject (struct mbuf *, struct inpcb *);
  70
  71 struct tcp6cb;
  72
  73 extern size_t ipsec6_hdrsiz (struct mbuf *, u_int, struct inpcb *);
  74
  75 struct ip6_hdr;
  76 extern const char *ipsec6_logpacketstr (struct ip6_hdr *, u_int32_t);
  77
  78 struct m_tag;
  79 extern int ipsec6_common_input(struct mbuf **mp, int *offp, int proto);
  80 extern int ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav,
  81                         int skip, int protoff, struct m_tag *mt);
  82 extern void esp6_ctlinput(union netmsg *);
  83
  84 struct ipsec_output_state;
  85 extern int ipsec6_output_trans (struct ipsec_output_state *, u_char *,
  86         struct mbuf *, struct secpolicy *, int, int *);
  87 extern int ipsec6_output_tunnel (struct ipsec_output_state *,
  88         struct secpolicy *, int);
  89 #endif /*_KERNEL*/
  90
  91 #endif /*_NETIPSEC_IPSEC6_H_*/