//==========================================================================
//
//      include/netinet/ip_fil.h
//
//      
//
//==========================================================================
//####COPYRIGHTBEGIN####
//                                                                          
// -------------------------------------------                              
// The contents of this file are subject to the Red Hat eCos Public License 
// Version 1.1 (the "License"); you may not use this file except in         
// compliance with the License.  You may obtain a copy of the License at    
// http://www.redhat.com/                                                   
//                                                                          
// Software distributed under the License is distributed on an "AS IS"      
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
// License for the specific language governing rights and limitations under 
// the License.                                                             
//                                                                          
// The Original Code is eCos - Embedded Configurable Operating System,      
// released September 30, 1998.                                             
//                                                                          
// The Initial Developer of the Original Code is Red Hat.                   
// Portions created by Red Hat are                                          
// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
// All Rights Reserved.                                                     
// -------------------------------------------                              
//                                                                          
//####COPYRIGHTEND####
//####BSDCOPYRIGHTBEGIN####
//
// -------------------------------------------
//
// Portions of this software may have been derived from OpenBSD or other sources,
// and are covered by the appropriate copyright disclaimers included herein.
//
// -------------------------------------------
//
//####BSDCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:         2000-01-10
// Purpose:      
// Description:  
//              
//
//####DESCRIPTIONEND####
//
//==========================================================================


/* $OpenBSD: ip_frag.h,v 1.9 1999/12/15 05:20:22 kjell Exp $ */
/*
 * Copyright (C) 1993-1998 by Darren Reed.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and due credit is given
 * to the original author and the contributors.
 *
 * @(#)ip_frag.h	1.5 3/24/96
 * $Id: ip_frag.h,v 1.3 2000/06/16 16:44:26 jlarmour Exp $
 */

#ifndef	_NETINET_IP_FRAG_H__
#define	_NETINET_IP_FRAG_H__

#define	IPFT_SIZE	257

typedef	struct	ipfr	{
	struct	ipfr	*ipfr_next, *ipfr_prev;
	void	*ipfr_data;
	struct	in_addr	ipfr_src;
	struct	in_addr	ipfr_dst;
	u_short	ipfr_id;
	u_char	ipfr_p;
	u_char	ipfr_tos;
	u_short	ipfr_off;
	u_short	ipfr_ttl;
	frentry_t *ipfr_rule;
} ipfr_t;


typedef	struct	ipfrstat {
	u_long	ifs_exists;	/* add & already exists */
	u_long	ifs_nomem;
	u_long	ifs_new;
	u_long	ifs_hits;
	u_long	ifs_expire;
	u_long	ifs_inuse;
	struct	ipfr	**ifs_table;
	struct	ipfr	**ifs_nattab;
} ipfrstat_t;

#define	IPFR_CMPSZ	(4 + 4 + 2 + 1 + 1)

extern	int	fr_ipfrttl;
extern	ipfrstat_t	*ipfr_fragstats __P((void));
extern	int	ipfr_newfrag __P((ip_t *, fr_info_t *, u_int));
extern	int	ipfr_nat_newfrag __P((ip_t *, fr_info_t *, u_int, struct nat *));
extern	nat_t	*ipfr_nat_knownfrag __P((ip_t *, fr_info_t *));
extern	frentry_t *ipfr_knownfrag __P((ip_t *, fr_info_t *));
extern	void	ipfr_forget __P((void *));
extern	void	ipfr_unload __P((void));

#if     (BSD >= 199306) || SOLARIS || defined(__sgi)
# if defined(SOLARIS2) && (SOLARIS2 < 7)
extern	void	ipfr_slowtimer __P((void));
# else
extern	void	ipfr_slowtimer __P((void *));
# endif
#else
extern	int	ipfr_slowtimer __P((void));
#endif

#endif	/* _NETINET_IP_FIL_H__ */