ip_frag.h revision 1.1.1.2
1 /* $NetBSD: ip_frag.h,v 1.1.1.2 2012/07/22 13:45:17 darrenr Exp $ */ 2 3 /* 4 * Copyright (C) 2012 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * @(#)ip_frag.h 1.5 3/24/96 9 * $Id: ip_frag.h,v 1.1.1.2 2012/07/22 13:45:17 darrenr Exp $ 10 */ 11 12 #ifndef __IP_FRAG_H__ 13 #define __IP_FRAG_H__ 14 15 #define IPFT_SIZE 257 16 17 typedef struct ipfr { 18 struct ipfr *ipfr_hnext, **ipfr_hprev; 19 struct ipfr *ipfr_next, **ipfr_prev; 20 void *ipfr_data; 21 frentry_t *ipfr_rule; 22 u_long ipfr_ttl; 23 u_int ipfr_pkts; 24 u_int ipfr_bytes; 25 u_int ipfr_badorder; 26 int ipfr_ref; 27 u_short ipfr_off; 28 u_short ipfr_firstend; 29 u_char ipfr_p; 30 u_char ipfr_seen0; 31 /* 32 * All of the fields, from ipfr_ifp to ipfr_pass, are compared 33 * using bcmp to see if an identical entry is present. It is 34 * therefore important for this set to remain together. 35 */ 36 void *ipfr_ifp; 37 i6addr_t ipfr_source; 38 i6addr_t ipfr_dest; 39 u_32_t ipfr_optmsk; 40 u_short ipfr_secmsk; 41 u_short ipfr_auth; 42 u_32_t ipfr_id; 43 u_32_t ipfr_pass; 44 int ipfr_v; 45 } ipfr_t; 46 47 #define ipfr_src ipfr_source.in4 48 #define ipfr_dst ipfr_dest.in4 49 50 51 typedef struct ipfrstat { 52 u_long ifs_exists; /* add & already exists */ 53 u_long ifs_nomem; 54 u_long ifs_new; 55 u_long ifs_hits; 56 u_long ifs_expire; 57 u_long ifs_inuse; 58 u_long ifs_retrans0; 59 u_long ifs_short; 60 u_long ifs_bad; 61 u_long ifs_overlap; 62 u_long ifs_unordered; 63 u_long ifs_strict; 64 u_long ifs_miss; 65 u_long ifs_maximum; 66 u_long ifs_newbad; 67 u_long ifs_newrestrictnot0; 68 struct ipfr **ifs_table; 69 struct ipfr **ifs_nattab; 70 } ipfrstat_t; 71 72 #define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_pass) - \ 73 offsetof(ipfr_t, ipfr_ifp)) 74 75 extern void *ipf_frag_soft_create __P((ipf_main_softc_t *)); 76 extern int ipf_frag_soft_init __P((ipf_main_softc_t *, void *)); 77 extern int ipf_frag_soft_fini __P((ipf_main_softc_t *, void *)); 78 extern void ipf_frag_soft_destroy __P((ipf_main_softc_t *, void *)); 79 extern int ipf_frag_main_load __P((void)); 80 extern int ipf_frag_main_unload __P((void)); 81 extern int ipf_frag_load __P((void)); 82 extern void ipf_frag_clear __P((ipf_main_softc_t *)); 83 extern void ipf_frag_expire __P((ipf_main_softc_t *)); 84 extern void ipf_frag_forget __P((void *)); 85 extern int ipf_frag_init __P((void)); 86 extern u_32_t ipf_frag_ipidknown __P((fr_info_t *)); 87 extern int ipf_frag_ipidnew __P((fr_info_t *, u_32_t)); 88 extern frentry_t *ipf_frag_known __P((fr_info_t *, u_32_t *)); 89 extern void ipf_frag_natforget __P((ipf_main_softc_t *, void *)); 90 extern int ipf_frag_natnew __P((ipf_main_softc_t *, fr_info_t *, u_32_t, struct nat *)); 91 extern nat_t *ipf_frag_natknown __P((fr_info_t *)); 92 extern int ipf_frag_new __P((ipf_main_softc_t *, fr_info_t *, u_32_t)); 93 extern ipfrstat_t *ipf_frag_stats __P((void *)); 94 extern void ipf_frag_setlock __P((void *, int)); 95 extern void ipf_frag_pkt_deref __P((ipf_main_softc_t *, void *)); 96 extern int ipf_frag_pkt_next __P((ipf_main_softc_t *, ipftoken_t *, 97 ipfgeniter_t *)); 98 extern void ipf_frag_nat_deref __P((ipf_main_softc_t *, void *)); 99 extern int ipf_frag_nat_next __P((ipf_main_softc_t *, ipftoken_t *, 100 ipfgeniter_t *)); 101 extern void ipf_slowtimer __P((ipf_main_softc_t *)); 102 103 #endif /* __IP_FRAG_H__ */ 104
Indexes created Fri Oct 17 23:09:53 GMT 2025