1 #ifndef __IP_HTABLE_H__
2 #define __IP_HTABLE_H__
3 
4 #include "netinet/ip_lookup.h"
5 
6 typedef	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 
38 typedef	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 
65 typedef	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 
74 extern void *ipf_iphmfindgroup(ipf_main_softc_t *, void *, void *);
75 extern iphtable_t *ipf_htable_find(void *, int, char *);
76 extern ipf_lookup_t ipf_htable_backend;
77 #ifndef _KERNEL
78 extern	void	ipf_htable_dump(ipf_main_softc_t *, void *);
79 #endif
80 
81 #endif /* __IP_HTABLE_H__ */
82