17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * Copyright (C) 1993-2001 by Darren Reed. 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * See the IPFILTER.LICENCE file for details on licencing. 57c478bd9Sstevel@tonic-gate * 67c478bd9Sstevel@tonic-gate * @(#)ip_frag.h 1.5 3/24/96 7ab25eeb5Syz * $Id: ip_frag.h,v 2.23.2.2 2005/06/10 18:02:37 darrenr Exp $ 87663b816Sml * 9*f4b3ec61Sdh * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 107663b816Sml * Use is subject to license terms. 117c478bd9Sstevel@tonic-gate */ 127c478bd9Sstevel@tonic-gate 137663b816Sml #pragma ident "%Z%%M% %I% %E% SMI" 147663b816Sml 157c478bd9Sstevel@tonic-gate #ifndef __IP_FRAG_H__ 167c478bd9Sstevel@tonic-gate #define __IP_FRAG_H__ 177c478bd9Sstevel@tonic-gate 187c478bd9Sstevel@tonic-gate #define IPFT_SIZE 257 197c478bd9Sstevel@tonic-gate 207c478bd9Sstevel@tonic-gate typedef struct ipfr { 217c478bd9Sstevel@tonic-gate struct ipfr *ipfr_hnext, **ipfr_hprev; 227c478bd9Sstevel@tonic-gate struct ipfr *ipfr_next, **ipfr_prev; 237c478bd9Sstevel@tonic-gate void *ipfr_data; 247c478bd9Sstevel@tonic-gate void *ipfr_ifp; 257663b816Sml i6addr_t ipfr_source; 267663b816Sml i6addr_t ipfr_dest; 277c478bd9Sstevel@tonic-gate u_32_t ipfr_optmsk; 287c478bd9Sstevel@tonic-gate u_short ipfr_secmsk; 297c478bd9Sstevel@tonic-gate u_short ipfr_auth; 307663b816Sml u_32_t ipfr_id; 317c478bd9Sstevel@tonic-gate u_char ipfr_p; 327c478bd9Sstevel@tonic-gate u_char ipfr_tos; 337c478bd9Sstevel@tonic-gate u_32_t ipfr_pass; 347c478bd9Sstevel@tonic-gate u_short ipfr_off; 35*f4b3ec61Sdh u_long ipfr_ttl; 367c478bd9Sstevel@tonic-gate u_char ipfr_seen0; 377663b816Sml u_short ipfr_firstend; 387c478bd9Sstevel@tonic-gate frentry_t *ipfr_rule; 39*f4b3ec61Sdh int ipfr_ref; 407c478bd9Sstevel@tonic-gate } ipfr_t; 417c478bd9Sstevel@tonic-gate 42ab25eeb5Syz #define ipfr_src ipfr_source.in4 43ab25eeb5Syz #define ipfr_dst ipfr_dest.in4 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate typedef struct ipfrstat { 467c478bd9Sstevel@tonic-gate u_long ifs_exists; /* add & already exists */ 477c478bd9Sstevel@tonic-gate u_long ifs_nomem; 487c478bd9Sstevel@tonic-gate u_long ifs_new; 497c478bd9Sstevel@tonic-gate u_long ifs_hits; 507c478bd9Sstevel@tonic-gate u_long ifs_expire; 517c478bd9Sstevel@tonic-gate u_long ifs_inuse; 527c478bd9Sstevel@tonic-gate u_long ifs_retrans0; 537c478bd9Sstevel@tonic-gate u_long ifs_short; 547c478bd9Sstevel@tonic-gate struct ipfr **ifs_table; 557c478bd9Sstevel@tonic-gate struct ipfr **ifs_nattab; 567c478bd9Sstevel@tonic-gate } ipfrstat_t; 577c478bd9Sstevel@tonic-gate 587663b816Sml #define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_tos) - \ 597c478bd9Sstevel@tonic-gate offsetof(ipfr_t, ipfr_ifp)) 607c478bd9Sstevel@tonic-gate 61*f4b3ec61Sdh extern int fr_fraginit __P((ipf_stack_t *)); 62*f4b3ec61Sdh extern void fr_fragunload __P((ipf_stack_t *)); 63*f4b3ec61Sdh extern ipfrstat_t *fr_fragstats __P((ipf_stack_t *)); 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate extern int fr_newfrag __P((fr_info_t *, u_32_t)); 667c478bd9Sstevel@tonic-gate extern frentry_t *fr_knownfrag __P((fr_info_t *, u_32_t *)); 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate extern int fr_nat_newfrag __P((fr_info_t *, u_32_t, struct nat *)); 697c478bd9Sstevel@tonic-gate extern nat_t *fr_nat_knownfrag __P((fr_info_t *)); 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate extern int fr_ipid_newfrag __P((fr_info_t *, u_32_t)); 727c478bd9Sstevel@tonic-gate extern u_32_t fr_ipid_knownfrag __P((fr_info_t *)); 73*f4b3ec61Sdh extern void fr_fragderef __P((ipfr_t **, ipfrwlock_t *, ipf_stack_t *)); 747c478bd9Sstevel@tonic-gate 75*f4b3ec61Sdh extern void fr_forget __P((void *, ipf_stack_t *)); 76*f4b3ec61Sdh extern void fr_forgetnat __P((void *, ipf_stack_t *)); 77*f4b3ec61Sdh extern void fr_fragclear __P((ipf_stack_t *)); 78*f4b3ec61Sdh extern void fr_fragexpire __P((ipf_stack_t *)); 79*f4b3ec61Sdh extern int fr_nextfrag __P((ipftoken_t *, ipfgeniter_t *, ipfr_t **, \ 80*f4b3ec61Sdh ipfr_t ***, ipfrwlock_t *, ipf_stack_t *)); 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #if defined(_KERNEL) && ((BSD >= 199306) || SOLARIS || defined(__sgi) \ 83ab25eeb5Syz || defined(__osf__) || (defined(__sgi) && (IRIX >= 60500))) 847c478bd9Sstevel@tonic-gate # if defined(SOLARIS2) && (SOLARIS2 < 7) 85*f4b3ec61Sdh extern void fr_slowtimer __P((void *)); 867c478bd9Sstevel@tonic-gate # else 877c478bd9Sstevel@tonic-gate extern void fr_slowtimer __P((void *)); 887c478bd9Sstevel@tonic-gate # endif 897c478bd9Sstevel@tonic-gate #else 90ab25eeb5Syz # if defined(linux) && defined(_KERNEL) 91ab25eeb5Syz extern void fr_slowtimer __P((long)); 92ab25eeb5Syz # else 93*f4b3ec61Sdh extern int fr_slowtimer __P((void *)); 94ab25eeb5Syz # endif 957c478bd9Sstevel@tonic-gate #endif 967c478bd9Sstevel@tonic-gate 977663b816Sml #endif /* __IP_FRAG_H__ */ 98