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__ */