1ab25eeb5Syz155240 /* 2ab25eeb5Syz155240 * Copyright (C) 2003 by Darren Reed. 3ab25eeb5Syz155240 * 4ab25eeb5Syz155240 * See the IPFILTER.LICENCE file for details on licencing. 5ab25eeb5Syz155240 * 6*de22af4eSJohn Ojemann * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 7ab25eeb5Syz155240 */ 8ab25eeb5Syz155240 9ab25eeb5Syz155240 #ifndef __IP_HTABLE_H__ 10ab25eeb5Syz155240 #define __IP_HTABLE_H__ 11ab25eeb5Syz155240 12ab25eeb5Syz155240 #include "netinet/ip_lookup.h" 13ab25eeb5Syz155240 14ab25eeb5Syz155240 typedef struct iphtent_s { 15ab25eeb5Syz155240 struct iphtent_s *ipe_next, **ipe_pnext; 16f4b3ec61Sdh155122 struct iphtent_s *ipe_snext, **ipe_psnext; 17ab25eeb5Syz155240 void *ipe_ptr; 18ab25eeb5Syz155240 sa_family_t ipe_family; 19ab25eeb5Syz155240 i6addr_t ipe_addr; 20ab25eeb5Syz155240 i6addr_t ipe_mask; 21*de22af4eSJohn Ojemann U_QUAD_T ipe_hits; 22*de22af4eSJohn Ojemann U_QUAD_T ipe_bytes; 23ab25eeb5Syz155240 int ipe_ref; 24ab25eeb5Syz155240 union { 25ab25eeb5Syz155240 char ipeu_char[16]; 26ab25eeb5Syz155240 u_long ipeu_long; 27ab25eeb5Syz155240 u_int ipeu_int; 28ab25eeb5Syz155240 }ipe_un; 29ab25eeb5Syz155240 } iphtent_t; 30ab25eeb5Syz155240 31ab25eeb5Syz155240 #define ipe_value ipe_un.ipeu_int 32ab25eeb5Syz155240 #define ipe_group ipe_un.ipeu_char 33ab25eeb5Syz155240 34ab25eeb5Syz155240 #define IPE_HASH_FN(a, m, s) (((a) * (m)) % (s)) 35ab25eeb5Syz155240 36ab25eeb5Syz155240 37ab25eeb5Syz155240 typedef struct iphtable_s { 38ab25eeb5Syz155240 ipfrwlock_t iph_rwlock; 39ab25eeb5Syz155240 struct iphtable_s *iph_next, **iph_pnext; 40ab25eeb5Syz155240 struct iphtent_s **iph_table; 41f4b3ec61Sdh155122 struct iphtent_s *iph_list; 42ab25eeb5Syz155240 size_t iph_size; /* size of hash table */ 43ab25eeb5Syz155240 u_long iph_seed; /* hashing seed */ 44ab25eeb5Syz155240 u_32_t iph_flags; 45ab25eeb5Syz155240 u_int iph_unit; /* IPL_LOG* */ 46ab25eeb5Syz155240 u_int iph_ref; 47ab25eeb5Syz155240 u_int iph_type; /* lookup or group map - IPHASH_* */ 48ab25eeb5Syz155240 u_int iph_masks[4]; /* IPv4 or IPv6 netmasks in use */ 49ab25eeb5Syz155240 char iph_name[FR_GROUPLEN]; /* hash table number */ 50ab25eeb5Syz155240 } iphtable_t; 51ab25eeb5Syz155240 52ab25eeb5Syz155240 53ab25eeb5Syz155240 /* iph_type */ 54ab25eeb5Syz155240 #define IPHASH_LOOKUP 0 55ab25eeb5Syz155240 #define IPHASH_GROUPMAP 1 56ab25eeb5Syz155240 #define IPHASH_ANON 0x80000000 57ab25eeb5Syz155240 58ab25eeb5Syz155240 59ab25eeb5Syz155240 typedef struct iphtstat_s { 60ab25eeb5Syz155240 iphtable_t *iphs_tables; 61ab25eeb5Syz155240 u_long iphs_numtables; 62ab25eeb5Syz155240 u_long iphs_numnodes; 63ab25eeb5Syz155240 u_long iphs_nomem; 64ab25eeb5Syz155240 u_long iphs_pad[16]; 65ab25eeb5Syz155240 } iphtstat_t; 66ab25eeb5Syz155240 67ab25eeb5Syz155240 68f4b3ec61Sdh155122 extern void fr_htable_unload __P((ipf_stack_t *)); 69f4b3ec61Sdh155122 extern int fr_newhtable __P((iplookupop_t *, ipf_stack_t *)); 70f4b3ec61Sdh155122 extern iphtable_t *fr_findhtable __P((int, char *, ipf_stack_t *)); 71f4b3ec61Sdh155122 extern int fr_removehtable __P((iplookupop_t *, ipf_stack_t *)); 72f4b3ec61Sdh155122 extern size_t fr_flushhtable __P((iplookupflush_t *, ipf_stack_t *)); 73f4b3ec61Sdh155122 extern int fr_addhtent __P((iphtable_t *, iphtent_t *, ipf_stack_t *)); 74f4b3ec61Sdh155122 extern int fr_delhtent __P((iphtable_t *, iphtent_t *, ipf_stack_t *)); 75f4b3ec61Sdh155122 extern void fr_derefhtable __P((iphtable_t *, ipf_stack_t *)); 76f4b3ec61Sdh155122 extern void fr_derefhtent __P((iphtent_t *)); 77f4b3ec61Sdh155122 extern void fr_delhtable __P((iphtable_t *, ipf_stack_t *)); 78f4b3ec61Sdh155122 extern void *fr_iphmfindgroup __P((void *, int, void *, ipf_stack_t *)); 79*de22af4eSJohn Ojemann extern int fr_iphmfindip __P((void *, int, void *, fr_info_t *, ipf_stack_t *)); 80f4b3ec61Sdh155122 extern int fr_gethtablestat __P((iplookupop_t *, ipf_stack_t *)); 81f4b3ec61Sdh155122 extern int fr_htable_getnext __P((ipftoken_t *, ipflookupiter_t *, ipf_stack_t *)); 82f4b3ec61Sdh155122 extern void fr_htable_iterderef __P((u_int, int, void *, ipf_stack_t *)); 83ab25eeb5Syz155240 84ab25eeb5Syz155240 #endif /* __IP_HTABLE_H__ */ 85