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66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
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/* $FreeBSD$ */
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/* $OpenBSD: ip_ipip.h,v 1.5 2002/06/09 16:26:10 itojun Exp $ */
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/*
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* The authors of this code are John Ioannidis (ji@tla.org),
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* Angelos D. Keromytis (kermit@csd.uch.gr) and
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* Niels Provos (provos@physnet.uni-hamburg.de).
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*
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* The original version of this code was written by John Ioannidis
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* for BSD/OS in Athens, Greece, in November 1995.
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*
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* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
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* by Angelos D. Keromytis.
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*
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* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
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* and Niels Provos.
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*
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* Additional features in 1999 by Angelos D. Keromytis.
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*
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* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
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* Angelos D. Keromytis and Niels Provos.
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* Copyright (c) 2001, Angelos D. Keromytis.
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all copies of any software which is or includes a copy or
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* modification of this software.
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* You may use this code under the GNU public license if you so wish. Please
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* contribute changes back to the authors under this freer than GPL license
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* so that we may further the use of strong encryption without limitations to
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* all.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _NETINET_IPIP_H_
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#define _NETINET_IPIP_H_
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/*
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* IP-inside-IP processing.
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* Not quite all the functionality of RFC-1853, but the main idea is there.
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*/
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struct ipipstat
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{
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u_int32_t ipips_ipackets; /* total input packets */
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u_int32_t ipips_opackets; /* total output packets */
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u_int32_t ipips_hdrops; /* packet shorter than header shows */
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u_int32_t ipips_qfull;
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u_int64_t ipips_ibytes;
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u_int64_t ipips_obytes;
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u_int32_t ipips_pdrops; /* packet dropped due to policy */
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u_int32_t ipips_spoof; /* IP spoofing attempts */
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u_int32_t ipips_family; /* Protocol family mismatch */
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u_int32_t ipips_unspec; /* Missing tunnel endpoint address */
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};
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#ifdef _KERNEL
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extern int ipip_allow;
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extern struct ipipstat ipipstat;
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#endif /* _KERNEL */
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#endif /* _NETINET_IPIP_H_ */
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