1 /* 2 * Copyright (C) 2003 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 7 * Use is subject to license terms. 8 */ 9 10 #pragma ident "%Z%%M% %I% %E% SMI" 11 12 #ifndef __IP_HTABLE_H__ 13 #define __IP_HTABLE_H__ 14 15 #include "netinet/ip_lookup.h" 16 17 typedef struct iphtent_s { 18 struct iphtent_s *ipe_next, **ipe_pnext; 19 struct iphtent_s *ipe_snext, **ipe_psnext; 20 void *ipe_ptr; 21 sa_family_t ipe_family; 22 i6addr_t ipe_addr; 23 i6addr_t ipe_mask; 24 int ipe_ref; 25 union { 26 char ipeu_char[16]; 27 u_long ipeu_long; 28 u_int ipeu_int; 29 }ipe_un; 30 } iphtent_t; 31 32 #define ipe_value ipe_un.ipeu_int 33 #define ipe_group ipe_un.ipeu_char 34 35 #define IPE_HASH_FN(a, m, s) (((a) * (m)) % (s)) 36 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 size_t iph_size; /* size of hash table */ 44 u_long iph_seed; /* hashing seed */ 45 u_32_t iph_flags; 46 u_int iph_unit; /* IPL_LOG* */ 47 u_int iph_ref; 48 u_int iph_type; /* lookup or group map - IPHASH_* */ 49 u_int iph_masks[4]; /* IPv4 or IPv6 netmasks in use */ 50 char iph_name[FR_GROUPLEN]; /* hash table number */ 51 } iphtable_t; 52 53 54 /* iph_type */ 55 #define IPHASH_LOOKUP 0 56 #define IPHASH_GROUPMAP 1 57 #define IPHASH_ANON 0x80000000 58 59 60 typedef struct iphtstat_s { 61 iphtable_t *iphs_tables; 62 u_long iphs_numtables; 63 u_long iphs_numnodes; 64 u_long iphs_nomem; 65 u_long iphs_pad[16]; 66 } iphtstat_t; 67 68 69 extern void fr_htable_unload __P((ipf_stack_t *)); 70 extern int fr_newhtable __P((iplookupop_t *, ipf_stack_t *)); 71 extern iphtable_t *fr_findhtable __P((int, char *, ipf_stack_t *)); 72 extern int fr_removehtable __P((iplookupop_t *, ipf_stack_t *)); 73 extern size_t fr_flushhtable __P((iplookupflush_t *, ipf_stack_t *)); 74 extern int fr_addhtent __P((iphtable_t *, iphtent_t *, ipf_stack_t *)); 75 extern int fr_delhtent __P((iphtable_t *, iphtent_t *, ipf_stack_t *)); 76 extern void fr_derefhtable __P((iphtable_t *, ipf_stack_t *)); 77 extern void fr_derefhtent __P((iphtent_t *)); 78 extern void fr_delhtable __P((iphtable_t *, ipf_stack_t *)); 79 extern void *fr_iphmfindgroup __P((void *, int, void *, ipf_stack_t *)); 80 extern int fr_iphmfindip __P((void *, int, void *, ipf_stack_t *)); 81 extern int fr_gethtablestat __P((iplookupop_t *, ipf_stack_t *)); 82 extern int fr_htable_getnext __P((ipftoken_t *, ipflookupiter_t *, ipf_stack_t *)); 83 extern void fr_htable_iterderef __P((u_int, int, void *, ipf_stack_t *)); 84 85 #endif /* __IP_HTABLE_H__ */ 86