src/libfreeswan/ipsec_encap.h

   1 /*
   2  * declarations relevant to encapsulation-like operations
   3  * Copyright (C) 1996, 1997  John Ioannidis.
   4  * Copyright (C) 1998, 1999, 2000, 2001  Richard Guy Briggs.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  *
  16  * RCSID $Id: ipsec_encap.h,v 1.1 2004/03/15 20:35:25 as Exp $
  17  */
  18
  19 #ifndef _IPSEC_ENCAP_H_
  20
  21 #define SENT_IP4        16      /* data is two struct in_addr + proto + ports*/
  22                         /* (2 * sizeof(struct in_addr)) */
  23                         /* sizeof(struct sockaddr_encap)
  24                            - offsetof(struct sockaddr_encap, Sen.Sip4.Src) */
  25
  26 struct sockaddr_encap
  27 {
  28         __u8    sen_len;                /* length */
  29         __u8    sen_family;             /* AF_ENCAP */
  30         __u16   sen_type;               /* see SENT_* */
  31         union
  32         {
  33                 struct                  /* SENT_IP4 */
  34                 {
  35                         struct in_addr Src;
  36                         struct in_addr Dst;
  37                         __u8 Proto;
  38                         __u16 Sport;
  39                         __u16 Dport;
  40                 } Sip4;
  41         } Sen;
  42 };
  43
  44 #define sen_ip_src      Sen.Sip4.Src
  45 #define sen_ip_dst      Sen.Sip4.Dst
  46 #define sen_proto       Sen.Sip4.Proto
  47 #define sen_sport       Sen.Sip4.Sport
  48 #define sen_dport       Sen.Sip4.Dport
  49
  50 #ifndef AF_ENCAP
  51 #define AF_ENCAP 26
  52 #endif /* AF_ENCAP */
  53
  54 #define _IPSEC_ENCAP_H_
  55 #endif /* _IPSEC_ENCAP_H_ */
  56
  57 /*
  58  * $Log: ipsec_encap.h,v $
  59  * Revision 1.1  2004/03/15 20:35:25  as
  60  * added files from freeswan-2.04-x509-1.5.3
  61  *
  62  * Revision 1.17  2002/04/24 07:36:46  mcr
  63  * Moved from ./klips/net/ipsec/ipsec_encap.h,v
  64  *
  65  * Revision 1.16  2001/11/26 09:23:47  rgb
  66  * Merge MCR's ipsec_sa, eroute, proc and struct lifetime changes.
  67  *
  68  * Revision 1.15.2.1  2001/09/25 02:18:54  mcr
  69  *      struct eroute moved to ipsec_eroute.h
  70  *
  71  * Revision 1.15  2001/09/14 16:58:36  rgb
  72  * Added support for storing the first and last packets through a HOLD.
  73  *
  74  * Revision 1.14  2001/09/08 21:13:31  rgb
  75  * Added pfkey ident extension support for ISAKMPd. (NetCelo)
  76  *
  77  * Revision 1.13  2001/06/14 19:35:08  rgb
  78  * Update copyright date.
  79  *
  80  * Revision 1.12  2001/05/27 06:12:10  rgb
  81  * Added structures for pid, packet count and last access time to eroute.
  82  * Added packet count to beginning of /proc/net/ipsec_eroute.
  83  *
  84  * Revision 1.11  2000/09/08 19:12:56  rgb
  85  * Change references from DEBUG_IPSEC to CONFIG_IPSEC_DEBUG.
  86  *
  87  * Revision 1.10  2000/03/22 16:15:36  rgb
  88  * Fixed renaming of dev_get (MB).
  89  *
  90  * Revision 1.9  2000/01/21 06:13:26  rgb
  91  * Added a macro for AF_ENCAP
  92  *
  93  * Revision 1.8  1999/12/31 14:56:55  rgb
  94  * MB fix for 2.3 dev-use-count.
  95  *
  96  * Revision 1.7  1999/11/18 04:09:18  rgb
  97  * Replaced all kernel version macros to shorter, readable form.
  98  *
  99  * Revision 1.6  1999/09/24 00:34:13  rgb
 100  * Add Marc Boucher's support for 2.3.xx+.
 101  *
 102  * Revision 1.5  1999/04/11 00:28:57  henry
 103  * GPL boilerplate
 104  *
 105  * Revision 1.4  1999/04/06 04:54:25  rgb
 106  * Fix/Add RCSID Id: and Log: bits to make PHMDs happy.  This includes
 107  * patch shell fixes.
 108  *
 109  * Revision 1.3  1998/10/19 14:44:28  rgb
 110  * Added inclusion of freeswan.h.
 111  * sa_id structure implemented and used: now includes protocol.
 112  *
 113  * Revision 1.2  1998/07/14 18:19:33  rgb
 114  * Added #ifdef __KERNEL__ directives to restrict scope of header.
 115  *
 116  * Revision 1.1  1998/06/18 21:27:44  henry
 117  * move sources from klips/src to klips/net/ipsec, to keep stupid
 118  * kernel-build scripts happier in the presence of symlinks
 119  *
 120  * Revision 1.2  1998/04/21 21:29:10  rgb
 121  * Rearrange debug switches to change on the fly debug output from user
 122  * space.  Only kernel changes checked in at this time.  radij.c was also
 123  * changed to temporarily remove buggy debugging code in rj_delete causing
 124  * an OOPS and hence, netlink device open errors.
 125  *
 126  * Revision 1.1  1998/04/09 03:05:58  henry
 127  * sources moved up from linux/net/ipsec
 128  *
 129  * Revision 1.1.1.1  1998/04/08 05:35:02  henry
 130  * RGB's ipsec-0.8pre2.tar.gz ipsec-0.8
 131  *
 132  * Revision 0.4  1997/01/15 01:28:15  ji
 133  * Minor cosmetic changes.
 134  *
 135  * Revision 0.3  1996/11/20 14:35:48  ji
 136  * Minor Cleanup.
 137  * Rationalized debugging code.
 138  *
 139  * Revision 0.2  1996/11/02 00:18:33  ji
 140  * First limited release.
 141  *
 142  *
 143  */