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 * 972680cf5SDarren Reed * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 107663b816Sml * Use is subject to license terms. 117c478bd9Sstevel@tonic-gate */ 127c478bd9Sstevel@tonic-gate 137c478bd9Sstevel@tonic-gate #ifndef __IP_FRAG_H__ 147c478bd9Sstevel@tonic-gate #define __IP_FRAG_H__ 157c478bd9Sstevel@tonic-gate 167c478bd9Sstevel@tonic-gate #define IPFT_SIZE 257 177c478bd9Sstevel@tonic-gate 187c478bd9Sstevel@tonic-gate typedef struct ipfr { 197c478bd9Sstevel@tonic-gate struct ipfr *ipfr_hnext, **ipfr_hprev; 207c478bd9Sstevel@tonic-gate struct ipfr *ipfr_next, **ipfr_prev; 217c478bd9Sstevel@tonic-gate void *ipfr_data; 227c478bd9Sstevel@tonic-gate void *ipfr_ifp; 2372680cf5SDarren Reed i6addr_t ipfr_src; 2472680cf5SDarren Reed i6addr_t ipfr_dst; 257c478bd9Sstevel@tonic-gate u_32_t ipfr_optmsk; 267c478bd9Sstevel@tonic-gate u_short ipfr_secmsk; 277c478bd9Sstevel@tonic-gate u_short ipfr_auth; 287663b816Sml u_32_t ipfr_id; 2972680cf5SDarren Reed u_32_t ipfr_p; 3072680cf5SDarren Reed u_32_t ipfr_tos; 317c478bd9Sstevel@tonic-gate u_32_t ipfr_pass; 327c478bd9Sstevel@tonic-gate u_short ipfr_off; 33f4b3ec61Sdh u_long ipfr_ttl; 347c478bd9Sstevel@tonic-gate u_char ipfr_seen0; 357c478bd9Sstevel@tonic-gate frentry_t *ipfr_rule; 36f4b3ec61Sdh int ipfr_ref; 377c478bd9Sstevel@tonic-gate } ipfr_t; 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate typedef struct ipfrstat { 407c478bd9Sstevel@tonic-gate u_long ifs_exists; /* add & already exists */ 417c478bd9Sstevel@tonic-gate u_long ifs_nomem; 427c478bd9Sstevel@tonic-gate u_long ifs_new; 437c478bd9Sstevel@tonic-gate u_long ifs_hits; 447c478bd9Sstevel@tonic-gate u_long ifs_expire; 457c478bd9Sstevel@tonic-gate u_long ifs_inuse; 467c478bd9Sstevel@tonic-gate u_long ifs_retrans0; 477c478bd9Sstevel@tonic-gate u_long ifs_short; 487c478bd9Sstevel@tonic-gate struct ipfr **ifs_table; 497c478bd9Sstevel@tonic-gate struct ipfr **ifs_nattab; 507c478bd9Sstevel@tonic-gate } ipfrstat_t; 517c478bd9Sstevel@tonic-gate 527663b816Sml #define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_tos) - \ 537c478bd9Sstevel@tonic-gate offsetof(ipfr_t, ipfr_ifp)) 547c478bd9Sstevel@tonic-gate 55f4b3ec61Sdh extern int fr_fraginit __P((ipf_stack_t *)); 56f4b3ec61Sdh extern void fr_fragunload __P((ipf_stack_t *)); 57f4b3ec61Sdh extern ipfrstat_t *fr_fragstats __P((ipf_stack_t *)); 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate extern int fr_newfrag __P((fr_info_t *, u_32_t)); 607c478bd9Sstevel@tonic-gate extern frentry_t *fr_knownfrag __P((fr_info_t *, u_32_t *)); 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate extern int fr_nat_newfrag __P((fr_info_t *, u_32_t, struct nat *)); 637c478bd9Sstevel@tonic-gate extern nat_t *fr_nat_knownfrag __P((fr_info_t *)); 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate extern int fr_ipid_newfrag __P((fr_info_t *, u_32_t)); 667c478bd9Sstevel@tonic-gate extern u_32_t fr_ipid_knownfrag __P((fr_info_t *)); 67f4b3ec61Sdh extern void fr_fragderef __P((ipfr_t **, ipfrwlock_t *, ipf_stack_t *)); 687c478bd9Sstevel@tonic-gate 69f4b3ec61Sdh extern void fr_forget __P((void *, ipf_stack_t *)); 70f4b3ec61Sdh extern void fr_forgetnat __P((void *, ipf_stack_t *)); 71f4b3ec61Sdh extern void fr_fragclear __P((ipf_stack_t *)); 72f4b3ec61Sdh extern void fr_fragexpire __P((ipf_stack_t *)); 73f4b3ec61Sdh extern int fr_nextfrag __P((ipftoken_t *, ipfgeniter_t *, ipfr_t **, \ 74f4b3ec61Sdh ipfr_t ***, ipfrwlock_t *, ipf_stack_t *)); 757c478bd9Sstevel@tonic-gate 76*af5f29ddSToomas Soome #if defined(_KERNEL) && ((BSD >= 199306) || defined(SOLARIS) || \ 77*af5f29ddSToomas Soome defined(__sgi) || defined(__osf__) || \ 78*af5f29ddSToomas Soome (defined(__sgi) && (IRIX >= 60500))) 797c478bd9Sstevel@tonic-gate # if defined(SOLARIS2) && (SOLARIS2 < 7) 80f4b3ec61Sdh extern void fr_slowtimer __P((void *)); 817c478bd9Sstevel@tonic-gate # else 827c478bd9Sstevel@tonic-gate extern void fr_slowtimer __P((void *)); 837c478bd9Sstevel@tonic-gate # endif 847c478bd9Sstevel@tonic-gate #else 85ab25eeb5Syz # if defined(linux) && defined(_KERNEL) 86ab25eeb5Syz extern void fr_slowtimer __P((long)); 87ab25eeb5Syz # else 88f4b3ec61Sdh extern int fr_slowtimer __P((void *)); 89ab25eeb5Syz # endif 907c478bd9Sstevel@tonic-gate #endif 917c478bd9Sstevel@tonic-gate 927663b816Sml #endif /* __IP_FRAG_H__ */ 93