/* * Copyright (C) 1993-2000 by Darren Reed. * * Redistribution and use in source and binary forms are permitted * provided that this notice is preserved and due credit is given * to the original author and the contributors. * * @(#)ip_frag.h 1.5 3/24/96 * $Id: ip_frag.h,v 2.4.2.2 2000/11/10 13:10:54 darrenr Exp $ * $FreeBSD$ */ #ifndef __IP_FRAG_H__ #define __IP_FRAG_H__ #define IPFT_SIZE 257 typedef struct ipfr { struct ipfr *ipfr_next, *ipfr_prev; void *ipfr_data; struct in_addr ipfr_src; struct in_addr ipfr_dst; void *ipfr_ifp; u_short ipfr_id; u_char ipfr_p; u_char ipfr_tos; u_short ipfr_off; u_char ipfr_ttl; u_char ipfr_seen0; frentry_t *ipfr_rule; } ipfr_t; typedef struct ipfrstat { u_long ifs_exists; /* add & already exists */ u_long ifs_nomem; u_long ifs_new; u_long ifs_hits; u_long ifs_expire; u_long ifs_inuse; struct ipfr **ifs_table; struct ipfr **ifs_nattab; } ipfrstat_t; #define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_off) - \ offsetof(ipfr_t, ipfr_src)) extern int fr_ipfrttl; extern int fr_frag_lock; extern ipfrstat_t *ipfr_fragstats __P((void)); extern int ipfr_newfrag __P((ip_t *, fr_info_t *, u_int)); extern int ipfr_nat_newfrag __P((ip_t *, fr_info_t *, u_int, struct nat *)); extern nat_t *ipfr_nat_knownfrag __P((ip_t *, fr_info_t *)); extern frentry_t *ipfr_knownfrag __P((ip_t *, fr_info_t *)); extern void ipfr_forget __P((void *)); extern void ipfr_unload __P((void)); extern void ipfr_fragexpire __P((void)); #if (BSD >= 199306) || SOLARIS || defined(__sgi) # if defined(SOLARIS2) && (SOLARIS2 < 7) extern void ipfr_slowtimer __P((void)); # else extern void ipfr_slowtimer __P((void *)); # endif #else extern int ipfr_slowtimer __P((void)); #endif /* (BSD >= 199306) || SOLARIS */ #endif /* __IP_FIL_H__ */