ip_frag.h revision 57096 
1/*
2 * Copyright (C) 1993-1998 by Darren Reed.
3 *
4 * Redistribution and use in source and binary forms are permitted
5 * provided that this notice is preserved and due credit is given
6 * to the original author and the contributors.
7 *
8 * @(#)ip_frag.h	1.5 3/24/96
9 * $Id: ip_frag.h,v 2.2 1999/08/06 06:26:38 darrenr Exp $
10 */
11
12#ifndef	__IP_FRAG_H__
13#define	__IP_FRAG_H__
14
15#define	IPFT_SIZE	257
16
17typedef	struct	ipfr	{
18	struct	ipfr	*ipfr_next, *ipfr_prev;
19	void	*ipfr_data;
20	struct	in_addr	ipfr_src;
21	struct	in_addr	ipfr_dst;
22	u_short	ipfr_id;
23	u_char	ipfr_p;
24	u_char	ipfr_tos;
25	u_short	ipfr_off;
26	u_short	ipfr_ttl;
27	frentry_t *ipfr_rule;
28} ipfr_t;
29
30
31typedef	struct	ipfrstat {
32	u_long	ifs_exists;	/* add & already exists */
33	u_long	ifs_nomem;
34	u_long	ifs_new;
35	u_long	ifs_hits;
36	u_long	ifs_expire;
37	u_long	ifs_inuse;
38	struct	ipfr	**ifs_table;
39	struct	ipfr	**ifs_nattab;
40} ipfrstat_t;
41
42#define	IPFR_CMPSZ	(4 + 4 + 2 + 1 + 1)
43
44extern	int	fr_ipfrttl;
45extern	ipfrstat_t	*ipfr_fragstats __P((void));
46extern	int	ipfr_newfrag __P((ip_t *, fr_info_t *, u_int));
47extern	int	ipfr_nat_newfrag __P((ip_t *, fr_info_t *, u_int, struct nat *));
48extern	nat_t	*ipfr_nat_knownfrag __P((ip_t *, fr_info_t *));
49extern	frentry_t *ipfr_knownfrag __P((ip_t *, fr_info_t *));
50extern	void	ipfr_forget __P((void *));
51extern	void	ipfr_unload __P((void));
52
53#if     (BSD >= 199306) || SOLARIS || defined(__sgi)
54# if defined(SOLARIS2) && (SOLARIS2 < 7)
55extern	void	ipfr_slowtimer __P((void));
56# else
57extern	void	ipfr_slowtimer __P((void *));
58# endif
59#else
60extern	int	ipfr_slowtimer __P((void));
61#endif
62
63#endif	/* __IP_FIL_H__ */
64