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	struct	iphtent_s	*ipe_dnext, **ipe_pdnext;
10	struct	iphtable_s	*ipe_owner;
11	void		*ipe_ptr;
12	i6addr_t	ipe_addr;
13	i6addr_t	ipe_mask;
14	U_QUAD_T	ipe_hits;
15	U_QUAD_T	ipe_bytes;
16	u_long		ipe_die;
17	int		ipe_uid;
18	int		ipe_ref;
19	int		ipe_unit;
20	char		ipe_family;
21	char		ipe_xxx[3];
22	union	{
23		char	ipeu_char[16];
24		u_long	ipeu_long;
25		u_int	ipeu_int;
26	} ipe_un;
27} iphtent_t;
28
29#define	ipe_value	ipe_un.ipeu_int
30#define	ipe_group	ipe_un.ipeu_char
31
32#define	IPE_V4_HASH_FN(a, m, s)	((((m) ^ (a)) - 1 - ((a) >> 8)) % (s))
33#define	IPE_V6_HASH_FN(a, m, s)	(((((m)[0] ^ (a)[0]) - ((a)[0] >> 8)) + \
34				  (((m)[1] & (a)[1]) - ((a)[1] >> 8)) + \
35				  (((m)[2] & (a)[2]) - ((a)[2] >> 8)) + \
36				  (((m)[3] & (a)[3]) - ((a)[3] >> 8))) % (s))
37
38typedef	struct	iphtable_s	{
39	ipfrwlock_t	iph_rwlock;
40	struct	iphtable_s	*iph_next, **iph_pnext;
41	struct	iphtent_s	**iph_table;
42	struct	iphtent_s	*iph_list;
43	struct	iphtent_s	**iph_tail;
44#ifdef USE_INET6
45	ipf_v6_masktab_t	iph_v6_masks;
46#endif
47	ipf_v4_masktab_t	iph_v4_masks;
48	size_t	iph_size;		/* size of hash table */
49	u_long	iph_seed;		/* hashing seed */
50	u_32_t	iph_flags;
51	u_int	iph_unit;		/* IPL_LOG* */
52	u_int	iph_ref;
53	u_int	iph_type;		/* lookup or group map  - IPHASH_* */
54	u_int	iph_maskset[4];		/* netmasks in use */
55	char	iph_name[FR_GROUPLEN];	/* hash table number */
56} iphtable_t;
57
58/* iph_type */
59#define	IPHASH_LOOKUP	0
60#define	IPHASH_GROUPMAP	1
61#define	IPHASH_DELETE	2
62#define	IPHASH_ANON	0x80000000
63
64
65typedef	struct	iphtstat_s	{
66	iphtable_t	*iphs_tables;
67	u_long		iphs_numtables;
68	u_long		iphs_numnodes;
69	u_long		iphs_nomem;
70	u_long		iphs_pad[16];
71} iphtstat_t;
72
73
74extern void *ipf_iphmfindgroup(ipf_main_softc_t *, void *, void *);
75extern iphtable_t *ipf_htable_find(void *, int, char *);
76extern ipf_lookup_t ipf_htable_backend;
77#ifndef _KERNEL
78extern	void	ipf_htable_dump(ipf_main_softc_t *, void *);
79#endif
80
81#endif /* __IP_HTABLE_H__ */
82