keyexchange/isakmpd-20041012/virtual.h

   1 /*      $OpenBSD: virtual.h,v 1.1 2004/06/20 15:24:05 ho Exp $  */
   2
   3 /*
   4  * Copyright (c) 2004 Håkan Olsson.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef _TRP_VIRTUAL_H_
  28 #define _TRP_VIRTUAL_H_
  29
  30 struct virtual_transport {
  31         struct transport transport;
  32         struct transport *main;  /* Normally this transport is used.  */
  33         struct transport *encap; /* Or this, depending on 'encap_is_active'. */
  34         int               encap_is_active;
  35         LIST_ENTRY (virtual_transport) link;
  36 };
  37
  38 void                      virtual_init(void);
  39 struct virtual_transport *virtual_get_default(sa_family_t);
  40 struct virtual_transport *virtual_listen_lookup(struct sockaddr *);
  41
  42 #endif /* _TRP_VIRTUAL_H_ */