/* $NetBSD: ip_htable.h,v 1.1.1.2 2012/07/22 13:44:17 darrenr Exp $ */ #ifndef __IP_HTABLE_H__ #define __IP_HTABLE_H__ #include "netinet/ip_lookup.h" typedef struct iphtent_s { struct iphtent_s *ipe_next, **ipe_pnext; struct iphtent_s *ipe_hnext, **ipe_phnext; struct iphtent_s *ipe_dnext, **ipe_pdnext; struct iphtable_s *ipe_owner; void *ipe_ptr; i6addr_t ipe_addr; i6addr_t ipe_mask; U_QUAD_T ipe_hits; U_QUAD_T ipe_bytes; u_long ipe_die; int ipe_uid; int ipe_ref; int ipe_unit; char ipe_family; char ipe_xxx[3]; union { char ipeu_char[16]; u_long ipeu_long; u_int ipeu_int; } ipe_un; } iphtent_t; #define ipe_value ipe_un.ipeu_int #define ipe_group ipe_un.ipeu_char #define IPE_V4_HASH_FN(a, m, s) ((((m) ^ (a)) - 1 - ((a) >> 8)) % (s)) #define IPE_V6_HASH_FN(a, m, s) (((((m)[0] ^ (a)[0]) - ((a)[0] >> 8)) + \ (((m)[1] & (a)[1]) - ((a)[1] >> 8)) + \ (((m)[2] & (a)[2]) - ((a)[2] >> 8)) + \ (((m)[3] & (a)[3]) - ((a)[3] >> 8))) % (s)) typedef struct iphtable_s { ipfrwlock_t iph_rwlock; struct iphtable_s *iph_next, **iph_pnext; struct iphtent_s **iph_table; struct iphtent_s *iph_list; struct iphtent_s **iph_tail; #ifdef USE_INET6 ipf_v6_masktab_t iph_v6_masks; #endif ipf_v4_masktab_t iph_v4_masks; size_t iph_size; /* size of hash table */ u_long iph_seed; /* hashing seed */ u_32_t iph_flags; u_int iph_unit; /* IPL_LOG* */ u_int iph_ref; u_int iph_type; /* lookup or group map - IPHASH_* */ u_int iph_maskset[4]; /* netmasks in use */ char iph_name[FR_GROUPLEN]; /* hash table number */ } iphtable_t; /* iph_type */ #define IPHASH_LOOKUP 0 #define IPHASH_GROUPMAP 1 #define IPHASH_DELETE 2 #define IPHASH_ANON 0x80000000 typedef struct iphtstat_s { iphtable_t *iphs_tables; u_long iphs_numtables; u_long iphs_numnodes; u_long iphs_nomem; u_long iphs_pad[16]; } iphtstat_t; extern void *ipf_iphmfindgroup __P((ipf_main_softc_t *, void *, void *)); extern iphtable_t *ipf_htable_find __P((void *, int, char *)); extern ipf_lookup_t ipf_htable_backend; #ifndef _KERNEL extern void ipf_htable_dump __P((ipf_main_softc_t *, void *)); #endif #endif /* __IP_HTABLE_H__ */