1#ifndef __IP_HTABLE_H__
2#define __IP_HTABLE_H__
3
4#include "netinet/ip_lookup.h"
5
6typedef	struct	iphtent_s	{
7	struct	iphtent_s	*ipe_next, **ipe_pnext;
8	struct	iphtent_s	*ipe_hnext, **ipe_phnext;
9	void		*ipe_ptr;
10	i6addr_t	ipe_addr;
11	i6addr_t	ipe_mask;
12	int		ipe_ref;
13	int		ipe_unit;
14	union	{
15		char	ipeu_char[16];
16		u_long	ipeu_long;
17		u_int	ipeu_int;
18	}ipe_un;
19} iphtent_t;
20
21#define	ipe_value	ipe_un.ipeu_int
22#define	ipe_group	ipe_un.ipeu_char
23
24#define	IPE_HASH_FN(a, m, s)	(((a) * (m)) % (s))
25
26
27typedef	struct	iphtable_s	{
28	ipfrwlock_t	iph_rwlock;
29	struct	iphtable_s	*iph_next, **iph_pnext;
30	struct	iphtent_s	**iph_table;
31	struct	iphtent_s	*iph_list;
32	size_t	iph_size;		/* size of hash table */
33	u_long	iph_seed;		/* hashing seed */
34	u_32_t	iph_flags;
35	u_int	iph_unit;		/* IPL_LOG* */
36	u_int	iph_ref;
37	u_int	iph_type;		/* lookup or group map  - IPHASH_* */
38	u_int	iph_masks;		/* IPv4 netmasks in use */
39	char	iph_name[FR_GROUPLEN];	/* hash table number */
40} iphtable_t;
41
42/* iph_type */
43#define	IPHASH_LOOKUP	0
44#define	IPHASH_GROUPMAP	1
45#define	IPHASH_DELETE	2
46#define	IPHASH_ANON	0x80000000
47
48
49typedef	struct	iphtstat_s	{
50	iphtable_t	*iphs_tables;
51	u_long		iphs_numtables;
52	u_long		iphs_numnodes;
53	u_long		iphs_nomem;
54	u_long		iphs_pad[16];
55} iphtstat_t;
56
57
58extern iphtable_t *ipf_htables[IPL_LOGSIZE];
59
60extern iphtable_t *fr_existshtable __P((int, char *));
61extern int fr_clearhtable __P((iphtable_t *));
62extern void fr_htable_unload __P((void));
63extern int fr_newhtable __P((iplookupop_t *));
64extern iphtable_t *fr_findhtable __P((int, char *));
65extern int fr_removehtable __P((int, char *));
66extern size_t fr_flushhtable __P((iplookupflush_t *));
67extern int fr_addhtent __P((iphtable_t *, iphtent_t *));
68extern int fr_delhtent __P((iphtable_t *, iphtent_t *));
69extern int fr_derefhtable __P((iphtable_t *));
70extern int fr_derefhtent __P((iphtent_t *));
71extern int fr_delhtable __P((iphtable_t *));
72extern void *fr_iphmfindgroup __P((void *, void *));
73extern int fr_iphmfindip __P((void *, int, void *));
74extern int fr_gethtablestat __P((iplookupop_t *));
75extern int fr_htable_getnext __P((ipftoken_t *, ipflookupiter_t *));
76extern void fr_htable_iterderef __P((u_int, int, void *));
77
78#endif /* __IP_HTABLE_H__ */
79