60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* Copyright (C) 1993-1997 by Darren Reed.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and due credit is given
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* to the original author and the contributors.
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*
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* @(#)ip_frag.h 1.5 3/24/96
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* $FreeBSD$
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*/
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#ifndef __IP_FRAG_H__
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#define __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_next, *ipfr_prev;
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void *ipfr_data;
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struct in_addr ipfr_src;
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struct in_addr ipfr_dst;
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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_short ipfr_off;
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u_short ipfr_ttl;
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u_char ipfr_pass;
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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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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 (4 + 4 + 2 + 1 + 1)
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extern int fr_ipfrttl;
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extern ipfrstat_t *ipfr_fragstats __P((void));
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extern int ipfr_newfrag __P((ip_t *, fr_info_t *, int));
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extern int ipfr_nat_newfrag __P((ip_t *, fr_info_t *, int, struct nat *));
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extern nat_t *ipfr_nat_knownfrag __P((ip_t *, fr_info_t *));
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extern int ipfr_knownfrag __P((ip_t *, fr_info_t *));
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extern void ipfr_forget __P((void *));
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extern void ipfr_unload __P((void));
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#if (BSD >= 199306) || SOLARIS || defined(__sgi)
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extern void ipfr_slowtimer __P((void));
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#else
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extern int ipfr_slowtimer __P((void));
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#endif
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#endif /* __IP_FIL_H__ */
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