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