sys/netipsec/ipip_var.h

   1 /*      $NetBSD: ipip_var.h,v 1.3 2005/12/10 23:44:08 elad Exp $        */
   2 /*      $FreeBSD: src/sys/netipsec/ipip_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam 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 #define IPIP_STAT_IPACKETS      0       /* total input packets */
  49 #define IPIP_STAT_OPACKETS      1       /* total output packets */
  50 #define IPIP_STAT_HDROPS        2       /* packet shorter than header shows */
  51 #define IPIP_STAT_QFULL         3
  52 #define IPIP_STAT_IBYTES        4
  53 #define IPIP_STAT_OBYTES        5
  54 #define IPIP_STAT_PDROPS        6       /* packet dropped due to policy */
  55 #define IPIP_STAT_SPOOF         7       /* IP spoofing attempts */
  56 #define IPIP_STAT_FAMILY        8       /* protocol family mismatch */
  57 #define IPIP_STAT_UNSPEC        9       /* missing tunnel endpoint address */
  58
  59 #define IPIP_NSTATS             10
  60
  61 #ifdef _KERNEL
  62 extern  int ipip_allow;
  63 #endif /* _KERNEL */
  64 #endif /* !_NETINET_IPIP_H_ */