91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/* $NetBSD: ip_frag.h,v 1.3 2006/04/04 16:17:19 martti Exp $ */
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/*
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* Copyright (C) 1993-2001 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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* @(#)ip_frag.h 1.5 3/24/96
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* Id: ip_frag.h,v 2.23.2.2 2005/06/10 18:02:37 darrenr Exp
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*/
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#ifndef _NETINET_IP_FRAG_H_
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#define _NETINET_IP_FRAG_H_
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#define IPFT_SIZE 257
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typedef struct ipfr {
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struct ipfr *ipfr_hnext, **ipfr_hprev;
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struct ipfr *ipfr_next, **ipfr_prev;
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void *ipfr_data;
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void *ipfr_ifp;
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struct in_addr ipfr_src;
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struct in_addr ipfr_dst;
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u_32_t ipfr_optmsk;
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u_short ipfr_secmsk;
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u_short ipfr_auth;
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u_short ipfr_id;
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u_char ipfr_p;
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u_char ipfr_tos;
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u_32_t ipfr_pass;
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u_short ipfr_off;
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u_char ipfr_ttl;
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u_char ipfr_seen0;
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frentry_t *ipfr_rule;
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} ipfr_t;
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typedef struct ipfrstat {
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u_long ifs_exists; /* add & already exists */
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u_long ifs_nomem;
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u_long ifs_new;
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u_long ifs_hits;
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u_long ifs_expire;
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u_long ifs_inuse;
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u_long ifs_retrans0;
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u_long ifs_short;
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struct ipfr **ifs_table;
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struct ipfr **ifs_nattab;
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} ipfrstat_t;
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#define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_pass) - \
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offsetof(ipfr_t, ipfr_ifp))
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extern int ipfr_size;
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extern int fr_ipfrttl;
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extern int fr_frag_lock;
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extern int fr_fraginit __P((void));
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extern void fr_fragunload __P((void));
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extern ipfrstat_t *fr_fragstats __P((void));
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extern int fr_newfrag __P((fr_info_t *, u_32_t));
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extern frentry_t *fr_knownfrag __P((fr_info_t *, u_32_t *));
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extern int fr_nat_newfrag __P((fr_info_t *, u_32_t, struct nat *));
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extern nat_t *fr_nat_knownfrag __P((fr_info_t *));
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extern int fr_ipid_newfrag __P((fr_info_t *, u_32_t));
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extern u_32_t fr_ipid_knownfrag __P((fr_info_t *));
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extern void fr_forget __P((void *));
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extern void fr_forgetnat __P((void *));
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extern void fr_fragclear __P((void));
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extern void fr_fragexpire __P((void));
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#if defined(_KERNEL) && ((BSD >= 199306) || SOLARIS || defined(__sgi) \
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|| defined(__osf__) || (defined(__sgi) && (IRIX >= 60500)))
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# if defined(SOLARIS2) && (SOLARIS2 < 7)
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extern void fr_slowtimer __P((void));
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# else
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extern void fr_slowtimer __P((void *));
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# endif
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#else
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# if defined(linux) && defined(_KERNEL)
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extern void fr_slowtimer __P((long));
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# else
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extern int fr_slowtimer __P((void));
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# endif
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#endif
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#endif /* _NETINET_IP_FRAG_H_ */
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