2005-12-11 15:16:03 +03:00
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/* $NetBSD: ip_htable.h,v 1.2 2005/12/11 12:24:21 christos Exp $ */
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2004-03-28 12:55:20 +04:00
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#ifndef __IP_HTABLE_H__
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#define __IP_HTABLE_H__
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#include "netinet/ip_lookup.h"
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typedef struct iphtent_s {
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struct iphtent_s *ipe_next, **ipe_pnext;
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void *ipe_ptr;
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i6addr_t ipe_addr;
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i6addr_t ipe_mask;
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int ipe_ref;
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union {
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char ipeu_char[16];
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u_long ipeu_long;
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u_int ipeu_int;
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}ipe_un;
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} iphtent_t;
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#define ipe_value ipe_un.ipeu_int
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#define ipe_group ipe_un.ipeu_char
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#define IPE_HASH_FN(a, m, s) (((a) * (m)) % (s))
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typedef struct iphtable_s {
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ipfrwlock_t iph_rwlock;
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struct iphtable_s *iph_next, **iph_pnext;
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struct iphtent_s **iph_table;
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size_t iph_size; /* size of hash table */
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u_long iph_seed; /* hashing seed */
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u_32_t iph_flags;
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u_int iph_unit; /* IPL_LOG* */
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u_int iph_ref;
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u_int iph_type; /* lookup or group map - IPHASH_* */
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u_int iph_masks; /* IPv4 netmasks in use */
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char iph_name[FR_GROUPLEN]; /* hash table number */
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} iphtable_t;
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/* iph_type */
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#define IPHASH_LOOKUP 0
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#define IPHASH_GROUPMAP 1
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#define IPHASH_ANON 0x80000000
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typedef struct iphtstat_s {
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iphtable_t *iphs_tables;
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u_long iphs_numtables;
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u_long iphs_numnodes;
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u_long iphs_nomem;
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u_long iphs_pad[16];
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} iphtstat_t;
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extern iphtable_t *ipf_htables[IPL_LOGSIZE];
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extern void fr_htable_unload __P((void));
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extern int fr_newhtable __P((iplookupop_t *));
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extern iphtable_t *fr_findhtable __P((int, char *));
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extern int fr_removehtable __P((iplookupop_t *));
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extern size_t fr_flushhtable __P((iplookupflush_t *));
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extern int fr_addhtent __P((iphtable_t *, iphtent_t *));
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extern int fr_delhtent __P((iphtable_t *, iphtent_t *));
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extern void fr_derefhtable __P((iphtable_t *));
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extern void fr_delhtable __P((iphtable_t *));
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extern void *fr_iphmfindgroup __P((void *, void *));
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extern int fr_iphmfindip __P((void *, int, void *));
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extern int fr_gethtablestat __P((iplookupop_t *));
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#endif /* __IP_HTABLE_H__ */
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