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phoenix |
//==========================================================================
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//
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// include/netinet/ip_ip4.h
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//
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//
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//
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//==========================================================================
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//####BSDCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
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//
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// Portions of this software may have been derived from OpenBSD or other sources,
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// and are covered by the appropriate copyright disclaimers included herein.
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//
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// -------------------------------------------
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//
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//####BSDCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): gthomas
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// Contributors: gthomas
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// Date: 2000-01-10
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// Purpose:
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// Description:
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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/* $OpenBSD: ip_ip4.h,v 1.16 1999/12/09 09:02:59 angelos 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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* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
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* 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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*
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* Permission to use, copy, and modify this software 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_IP_IP4_H_
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#define _NETINET_IP_IP4_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 ip4stat
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{
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u_int32_t ip4s_ipackets; /* total input packets */
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u_int32_t ip4s_opackets; /* total output packets */
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u_int32_t ip4s_hdrops; /* packet shorter than header shows */
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u_int32_t ip4s_qfull;
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u_int64_t ip4s_ibytes;
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u_int64_t ip4s_obytes;
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u_int32_t ip4s_pdrops; /* packet dropped due to policy */
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u_int32_t ip4s_spoof; /* IP spoofing attempts */
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u_int32_t ip4s_family; /* Protocol family mismatch */
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u_int32_t ip4s_unspec; /* Missing tunnel endpoint address */
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};
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#define IP4_DEFAULT_TTL 0
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#define IP4_SAME_TTL -1
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/*
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* Names for IP4 sysctl objects
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*/
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#define IP4CTL_ALLOW 1 /* accept incoming IP4 packets */
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#define IP4CTL_MAXID 2
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#define IP4CTL_NAMES { \
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{ 0, 0 }, \
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{ "allow", CTLTYPE_INT }, \
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}
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#ifdef _KERNEL
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int ip4_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
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extern int ip4_allow;
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extern struct ip4stat ip4stat;
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#endif
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#endif // _NETINET_IP_IP4_H_
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