sys/netproto/ipsec/ipip_var.h

   1 /*      $FreeBSD: src/sys/netipsec/ipip_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $   */
   2 /*      $DragonFly: src/sys/netproto/ipsec/ipip_var.h,v 1.2 2003/06/17 04:28:53 dillon Exp $    */
   3 /*      $OpenBSD: ip_ipip.h,v 1.5 2002/06/09 16:26:10 itojun Exp $ */
   4 /*
   5  * The authors of this code are John Ioannidis (ji@tla.org),
   6  * Angelos D. Keromytis (kermit@csd.uch.gr) and
   7  * Niels Provos (provos@physnet.uni-hamburg.de).
   8  *
   9  * The original version of this code was written by John Ioannidis
  10  * for BSD/OS in Athens, Greece, in November 1995.
  11  *
  12  * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
  13  * by Angelos D. Keromytis.
  14  *
  15  * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
  16  * and Niels Provos.
  17  *
  18  * Additional features in 1999 by Angelos D. Keromytis.
  19  *
  20  * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
  21  * Angelos D. Keromytis and Niels Provos.
  22  * Copyright (c) 2001, Angelos D. Keromytis.
  23  *
  24  * Permission to use, copy, and modify this software with or without fee
  25  * is hereby granted, provided that this entire notice is included in
  26  * all copies of any software which is or includes a copy or
  27  * modification of this software.
  28  * You may use this code under the GNU public license if you so wish. Please
  29  * contribute changes back to the authors under this freer than GPL license
  30  * so that we may further the use of strong encryption without limitations to
  31  * all.
  32  *
  33  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
  34  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
  35  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
  36  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
  37  * PURPOSE.
  38  */
  39
  40 #ifndef _NETINET_IPIP_H_
  41 #define _NETINET_IPIP_H_
  42
  43 /*
  44  * IP-inside-IP processing.
  45  * Not quite all the functionality of RFC-1853, but the main idea is there.
  46  */
  47
  48 struct ipipstat
  49 {
  50     u_int32_t   ipips_ipackets;         /* total input packets */
  51     u_int32_t   ipips_opackets;         /* total output packets */
  52     u_int32_t   ipips_hdrops;           /* packet shorter than header shows */
  53     u_int32_t   ipips_qfull;
  54     u_int64_t   ipips_ibytes;
  55     u_int64_t   ipips_obytes;
  56     u_int32_t   ipips_pdrops;           /* packet dropped due to policy */
  57     u_int32_t   ipips_spoof;            /* IP spoofing attempts */
  58     u_int32_t   ipips_family;           /* Protocol family mismatch */
  59     u_int32_t   ipips_unspec;            /* Missing tunnel endpoint address */
  60 };
  61
  62 #ifdef _KERNEL
  63 extern  int ipip_allow;
  64 extern  struct ipipstat ipipstat;
  65 #endif /* _KERNEL */
  66 #endif /* _NETINET_IPIP_H_ */