/* * Copyright (C) 1993-2001 by Darren Reed. * * See the IPFILTER.LICENCE file for details on licencing. * * @(#)ip_frag.h 1.5 3/24/96 * $Id: ip_frag.h,v 2.23.2.2 2005/06/10 18:02:37 darrenr Exp $ * * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef __IP_FRAG_H__ #define __IP_FRAG_H__ #define IPFT_SIZE 257 typedef struct ipfr { struct ipfr *ipfr_hnext, **ipfr_hprev; struct ipfr *ipfr_next, **ipfr_prev; void *ipfr_data; void *ipfr_ifp; i6addr_t ipfr_src; i6addr_t ipfr_dst; u_32_t ipfr_optmsk; u_short ipfr_secmsk; u_short ipfr_auth; u_32_t ipfr_id; u_32_t ipfr_p; u_32_t ipfr_tos; u_32_t ipfr_pass; u_short ipfr_off; u_long ipfr_ttl; u_char ipfr_seen0; frentry_t *ipfr_rule; int ipfr_ref; } 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; u_long ifs_retrans0; u_long ifs_short; struct ipfr **ifs_table; struct ipfr **ifs_nattab; } ipfrstat_t; #define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_tos) - \ offsetof(ipfr_t, ipfr_ifp)) extern int fr_fraginit __P((ipf_stack_t *)); extern void fr_fragunload __P((ipf_stack_t *)); extern ipfrstat_t *fr_fragstats __P((ipf_stack_t *)); extern int fr_newfrag __P((fr_info_t *, u_32_t)); extern frentry_t *fr_knownfrag __P((fr_info_t *, u_32_t *)); extern int fr_nat_newfrag __P((fr_info_t *, u_32_t, struct nat *)); extern nat_t *fr_nat_knownfrag __P((fr_info_t *)); extern int fr_ipid_newfrag __P((fr_info_t *, u_32_t)); extern u_32_t fr_ipid_knownfrag __P((fr_info_t *)); extern void fr_fragderef __P((ipfr_t **, ipfrwlock_t *, ipf_stack_t *)); extern void fr_forget __P((void *, ipf_stack_t *)); extern void fr_forgetnat __P((void *, ipf_stack_t *)); extern void fr_fragclear __P((ipf_stack_t *)); extern void fr_fragexpire __P((ipf_stack_t *)); extern int fr_nextfrag __P((ipftoken_t *, ipfgeniter_t *, ipfr_t **, \ ipfr_t ***, ipfrwlock_t *, ipf_stack_t *)); #if defined(_KERNEL) && ((BSD >= 199306) || SOLARIS || defined(__sgi) \ || defined(__osf__) || (defined(__sgi) && (IRIX >= 60500))) # if defined(SOLARIS2) && (SOLARIS2 < 7) extern void fr_slowtimer __P((void *)); # else extern void fr_slowtimer __P((void *)); # endif #else # if defined(linux) && defined(_KERNEL) extern void fr_slowtimer __P((long)); # else extern int fr_slowtimer __P((void *)); # endif #endif #endif /* __IP_FRAG_H__ */