/* $NetBSD: ipip_var.h,v 1.4 2008/04/23 06:09:05 thorpej Exp $ */ /* $FreeBSD: src/sys/netipsec/ipip_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */ /* $OpenBSD: ip_ipip.h,v 1.5 2002/06/09 16:26:10 itojun Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and * Niels Provos (provos@physnet.uni-hamburg.de). * * The original version of this code was written by John Ioannidis * for BSD/OS in Athens, Greece, in November 1995. * * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, * by Angelos D. Keromytis. * * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis * and Niels Provos. * * Additional features in 1999 by Angelos D. Keromytis. * * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, * Angelos D. Keromytis and Niels Provos. * Copyright (c) 2001, Angelos D. Keromytis. * * Permission to use, copy, and modify this software with or without fee * is hereby granted, provided that this entire notice is included in * all copies of any software which is or includes a copy or * modification of this software. * You may use this code under the GNU public license if you so wish. Please * contribute changes back to the authors under this freer than GPL license * so that we may further the use of strong encryption without limitations to * all. * * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR * PURPOSE. */ #ifndef _NETINET_IPIP_H_ #define _NETINET_IPIP_H_ /* * IP-inside-IP processing. * Not quite all the functionality of RFC-1853, but the main idea is there. */ #define IPIP_STAT_IPACKETS 0 /* total input packets */ #define IPIP_STAT_OPACKETS 1 /* total output packets */ #define IPIP_STAT_HDROPS 2 /* packet shorter than header shows */ #define IPIP_STAT_QFULL 3 #define IPIP_STAT_IBYTES 4 #define IPIP_STAT_OBYTES 5 #define IPIP_STAT_PDROPS 6 /* packet dropped due to policy */ #define IPIP_STAT_SPOOF 7 /* IP spoofing attempts */ #define IPIP_STAT_FAMILY 8 /* protocol family mismatch */ #define IPIP_STAT_UNSPEC 9 /* missing tunnel endpoint address */ #define IPIP_NSTATS 10 #ifdef _KERNEL extern int ipip_allow; #endif /* _KERNEL */ #endif /* !_NETINET_IPIP_H_ */