ip_compat.h revision 145640
1/*	$FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145640 2005-04-28 21:36:30Z darrenr $	*/
2
3/*
4 * Copyright (C) 1993-2001, 2003 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * @(#)ip_compat.h	1.8 1/14/96
9 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145640 2005-04-28 21:36:30Z darrenr $
10 * Id: ip_compat.h,v 2.142.2.25 2005/03/28 09:33:36 darrenr Exp
11 */
12
13#ifndef	__IP_COMPAT_H__
14#define	__IP_COMPAT_H__
15
16#ifndef	__P
17# ifdef	__STDC__
18#  define	__P(x)  x
19# else
20#  define	__P(x)  ()
21# endif
22#endif
23#ifndef	__STDC__
24# undef		const
25# define	const
26#endif
27
28#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
29# undef	KERNEL
30# undef	_KERNEL
31# undef 	__KERNEL__
32# define	KERNEL
33# define	_KERNEL
34# define 	__KERNEL__
35#endif
36
37#ifndef	SOLARIS
38#define	SOLARIS	(defined(sun) && (defined(__svr4__) || defined(__SVR4)))
39#endif
40#if SOLARIS2 >= 8
41# ifndef	USE_INET6
42#  define	USE_INET6
43# endif
44#endif
45#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
46    !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
47# define	USE_INET6
48#endif
49#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
50    !defined(_KERNEL) && !defined(USE_INET6)
51# define	USE_INET6
52# define	IPFILTER_M_IPFILTER
53#endif
54#if defined(OpenBSD) && (OpenBSD >= 200206) && \
55    !defined(_KERNEL) && !defined(USE_INET6)
56# define	USE_INET6
57#endif
58#if defined(__osf__)
59# define	USE_INET6
60#endif
61#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
62# define	USE_INET6
63#endif
64#if defined(HPUXREV) && (HPUXREV >= 1111)
65# define	USE_INET6
66#endif
67
68#if defined(BSD) && (BSD < 199103) && defined(__osf__)
69# undef BSD
70# define BSD 199103
71#endif
72
73#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
74# define index   strchr
75# if !defined(_KERNEL)
76#  define	bzero(a,b)	memset(a,0,b)
77#  define	bcmp		memcmp
78#  define	bcopy(a,b,c)	memmove(b,a,c)
79# endif
80#endif
81
82#ifndef LIFNAMSIZ
83# ifdef IF_NAMESIZE
84#  define	LIFNAMSIZ	IF_NAMESIZE
85# else
86#  ifdef	IFNAMSIZ
87#   define	LIFNAMSIZ	IFNAMSIZ
88#  else
89#   define	LIFNAMSIZ	16
90#  endif
91# endif
92#endif
93
94#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
95struct  ether_addr {
96        u_char  ether_addr_octet[6];
97};
98#endif
99
100#if defined(__sgi) && !defined(IPFILTER_LKM)
101# ifdef __STDC__
102#  define IPL_EXTERN(ep) ipfilter##ep
103# else
104#  define IPL_EXTERN(ep) ipfilter/**/ep
105# endif
106#else
107# ifdef __STDC__
108#  define IPL_EXTERN(ep) ipl##ep
109# else
110#  define IPL_EXTERN(ep) ipl/**/ep
111# endif
112#endif
113
114/*
115 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
116 */
117#ifndef linux
118# ifndef _KERNEL
119#  define ADD_KERNEL
120#  define _KERNEL
121#  define KERNEL
122# endif
123# ifdef __OpenBSD__
124struct file;
125# endif
126# include <sys/uio.h>
127# ifdef ADD_KERNEL
128#  undef _KERNEL
129#  undef KERNEL
130# endif
131#endif
132
133
134/* ----------------------------------------------------------------------- */
135/*                                  S O L A R I S                          */
136/* ----------------------------------------------------------------------- */
137#if SOLARIS
138# define	MENTAT	1
139# include	<sys/cmn_err.h>
140# include	<sys/isa_defs.h>
141# include	<sys/stream.h>
142# include	<sys/ioccom.h>
143# include	<sys/sysmacros.h>
144# include	<sys/kmem.h>
145# if SOLARIS2 >= 10
146#  include	<sys/procset.h>
147#  include	<sys/proc.h>
148#  include	<sys/devops.h>
149#  include	<sys/ddi_impldefs.h>
150# endif
151/*
152 * because Solaris 2 defines these in two places :-/
153 */
154# ifndef	KERNEL
155#  define	_KERNEL
156#  undef	RES_INIT
157# endif /* _KERNEL */
158
159# if SOLARIS2 >= 8
160#  include <netinet/ip6.h>
161#  include <netinet/icmp6.h>
162# endif
163
164# include <inet/common.h>
165/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
166# undef	IPOPT_EOL
167# undef	IPOPT_NOP
168# undef	IPOPT_LSRR
169# undef	IPOPT_RR
170# undef	IPOPT_SSRR
171# ifdef i386
172#  define _SYS_PROMIF_H
173# endif
174# include <inet/ip.h>
175# undef COPYOUT
176# include <inet/ip_ire.h>
177# ifndef	KERNEL
178#  undef	_KERNEL
179# endif
180# if SOLARIS2 >= 8
181#  define SNPRINTF	snprintf
182
183#  include <inet/ip_if.h>
184#  define	ipif_local_addr	ipif_lcl_addr
185/* Only defined in private include file */
186#  ifndef	V4_PART_OF_V6
187#   define	V4_PART_OF_V6(v6)	v6.s6_addr32[3]
188#  endif
189struct ip6_ext {
190	u_char	ip6e_nxt;
191	u_char	ip6e_len;
192};
193# endif /* SOLARIS2 >= 8 */
194
195# if SOLARIS2 >= 6
196#  include <sys/atomic.h>
197typedef	uint32_t	u_32_t;
198# else
199typedef unsigned int	u_32_t;
200# endif
201# define	U_32_T	1
202
203# ifdef _KERNEL
204#  define	KRWLOCK_T		krwlock_t
205#  define	KMUTEX_T		kmutex_t
206#  include "qif.h"
207#  include "pfil.h"
208#  if SOLARIS2 >= 6
209#   if SOLARIS2 == 6
210#    define	ATOMIC_INCL(x)		atomic_add_long((uint32_t*)&(x), 1)
211#    define	ATOMIC_DECL(x)		atomic_add_long((uint32_t*)&(x), -1)
212#   else
213#    define	ATOMIC_INCL(x)		atomic_add_long(&(x), 1)
214#    define	ATOMIC_DECL(x)		atomic_add_long(&(x), -1)
215#   endif /* SOLARIS2 == 6 */
216#   define	ATOMIC_INC64(x)		atomic_add_64((uint64_t*)&(x), 1)
217#   define	ATOMIC_INC32(x)		atomic_add_32((uint32_t*)&(x), 1)
218#   define	ATOMIC_INC16(x)		atomic_add_16((uint16_t*)&(x), 1)
219#   define	ATOMIC_DEC64(x)		atomic_add_64((uint64_t*)&(x), -1)
220#   define	ATOMIC_DEC32(x)		atomic_add_32((uint32_t*)&(x), -1)
221#   define	ATOMIC_DEC16(x)		atomic_add_16((uint16_t*)&(x), -1)
222#  else
223#   define	ATOMIC_INC(x)		{ mutex_enter(&ipf_rw); (x)++; \
224					  mutex_exit(&ipf_rw); }
225#   define	ATOMIC_DEC(x)		{ mutex_enter(&ipf_rw); (x)--; \
226					  mutex_exit(&ipf_rw); }
227#  endif /* SOLARIS2 >= 6 */
228#  define	USE_MUTEXES
229#  define	MUTEX_ENTER(x)		mutex_enter(&(x)->ipf_lk)
230#  define	READ_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_READER)
231#  define	WRITE_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_WRITER)
232#  define	MUTEX_DOWNGRADE(x)	rw_downgrade(&(x)->ipf_lk)
233#  define	RWLOCK_INIT(x, y)	rw_init(&(x)->ipf_lk, (y),  \
234						RW_DRIVER, NULL)
235#  define	RWLOCK_EXIT(x)		rw_exit(&(x)->ipf_lk)
236#  define	RW_DESTROY(x)		rw_destroy(&(x)->ipf_lk)
237#  define	MUTEX_INIT(x, y)	mutex_init(&(x)->ipf_lk, (y), \
238						   MUTEX_DRIVER, NULL)
239#  define	MUTEX_DESTROY(x)	mutex_destroy(&(x)->ipf_lk)
240#  define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
241#  define	MUTEX_EXIT(x)		mutex_exit(&(x)->ipf_lk)
242#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
243#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
244#  define	BCOPYIN(a,b,c)	(void) copyin((caddr_t)(a), (caddr_t)(b), (c))
245#  define	BCOPYOUT(a,b,c)	(void) copyout((caddr_t)(a), (caddr_t)(b), (c))
246#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
247#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
248#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
249#  define	SPL_NET(x)	;
250#  define	SPL_IMP(x)	;
251#  undef	SPL_X
252#  define	SPL_X(x)	;
253#  ifdef sparc
254#   define	ntohs(x)	(x)
255#   define	ntohl(x)	(x)
256#   define	htons(x)	(x)
257#   define	htonl(x)	(x)
258#  endif /* sparc */
259#  define	KMALLOC(a,b)	(a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
260#  define	KMALLOCS(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
261#  define	GET_MINOR(x)	getminor(x)
262extern	void	*get_unit __P((char *, int));
263#  define	GETIFP(n, v)	get_unit(n, v)
264#  define	IFNAME(x)	((qif_t *)x)->qf_name
265#  define	COPYIFNAME(x, b) \
266				(void) strncpy(b, ((qif_t *)x)->qf_name, \
267					       LIFNAMSIZ)
268#  define	GETKTIME(x)	uniqtime((struct timeval *)x)
269#  define	MSGDSIZE(x)	msgdsize(x)
270#  define	M_LEN(x)	((x)->b_wptr - (x)->b_rptr)
271#  define	M_DUPLICATE(x)	dupmsg((x))
272#  define	MTOD(m,t)	((t)((m)->b_rptr))
273#  define	MTYPE(m)	((m)->b_datap->db_type)
274#  define	FREE_MB_T(m)	freemsg(m)
275#  define	m_next		b_cont
276#  define	CACHE_HASH(x)	(((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
277#  define	IPF_PANIC(x,y)	if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
278typedef mblk_t mb_t;
279# endif /* _KERNEL */
280
281# if (SOLARIS2 >= 7)
282#  ifdef lint
283#   define ALIGN32(ptr)    (ptr ? 0L : 0L)
284#   define ALIGN16(ptr)    (ptr ? 0L : 0L)
285#  else
286#   define ALIGN32(ptr)    (ptr)
287#   define ALIGN16(ptr)    (ptr)
288#  endif
289# endif
290
291# if SOLARIS2 < 6
292typedef	struct uio	uio_t;
293# endif
294typedef	int		ioctlcmd_t;
295
296# define OS_RECOGNISED 1
297
298#endif /* SOLARIS */
299
300/* ----------------------------------------------------------------------- */
301/*                                  H P U X                                */
302/* ----------------------------------------------------------------------- */
303#ifdef __hpux
304# define	MENTAT	1
305# include	<sys/sysmacros.h>
306# include	<sys/spinlock.h>
307# include	<sys/lock.h>
308# include	<sys/stream.h>
309# ifdef USE_INET6
310#  include	<netinet/if_ether.h>
311#  include	<netinet/ip6.h>
312#  include	<netinet/icmp6.h>
313typedef	struct	ip6_hdr	ip6_t;
314# endif
315
316# ifdef _KERNEL
317#  define SNPRINTF	sprintf
318#  if (HPUXREV >= 1111)
319#   define	IPL_SELECT
320#   ifdef	IPL_SELECT
321#    include	<machine/sys/user.h>
322#    include	<sys/kthread_iface.h>
323#    define	READ_COLLISION	0x01
324
325typedef	struct	iplog_select_s {
326	kthread_t	*read_waiter;
327	int		state;
328} iplog_select_t;
329#   endif
330#  endif
331
332#  define	GETKTIME(x)	uniqtime((struct timeval *)x)
333
334#  if HPUXREV == 1111
335#   include	"kern_svcs.h"
336#  else
337#   include	<sys/kern_svcs.h>
338#  endif
339#  undef	ti_flags
340#  undef	TCP_NODELAY
341#  undef	TCP_MAXSEG
342#  include <sys/reg.h>
343#  include "../netinet/ip_info.h"
344/*
345 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
346 * are available.  Attempting to use them actually results in unresolved
347 * symbols when it comes time to load the module.
348 * This has been fixed!  Yipee!
349 */
350#  if 1
351#   ifdef __LP64__
352#    define	ATOMIC_INCL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
353#    define	ATOMIC_DECL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
354#   else
355#    define	ATOMIC_INCL(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
356#    define	ATOMIC_DECL(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
357#   endif
358#   define	ATOMIC_INC64(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
359#   define	ATOMIC_INC32(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
360#   define	ATOMIC_INC16(x)		lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
361#   define	ATOMIC_DEC64(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
362#   define	ATOMIC_DEC32(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
363#   define	ATOMIC_DEC16(x)		lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
364#  else /* 0 */
365#   define	ATOMIC_INC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
366					  MUTEX_EXIT(&ipf_rw); }
367#   define	ATOMIC_DEC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
368					  MUTEX_EXIT(&ipf_rw); }
369#   define	ATOMIC_INC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
370					  MUTEX_EXIT(&ipf_rw); }
371#   define	ATOMIC_DEC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
372					  MUTEX_EXIT(&ipf_rw); }
373#   define	ATOMIC_INCL(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
374					  MUTEX_EXIT(&ipf_rw); }
375#   define	ATOMIC_DECL(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
376					  MUTEX_EXIT(&ipf_rw); }
377#   define	ATOMIC_INC(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
378					  MUTEX_EXIT(&ipf_rw); }
379#   define	ATOMIC_DEC(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
380					  MUTEX_EXIT(&ipf_rw); }
381#  endif
382#  define	ip_cksum		ip_csuma
383#  define	memcpy(a,b,c)		bcopy((caddr_t)b, (caddr_t)a, c)
384#  define	USE_MUTEXES
385#  define	MUTEX_INIT(x, y)	initlock(&(x)->ipf_lk, 0, 0, (y))
386#  define	MUTEX_ENTER(x)		spinlock(&(x)->ipf_lk)
387#  define	MUTEX_EXIT(x)		spinunlock(&(x)->ipf_lk);
388#  define	MUTEX_DESTROY(x)
389#  define	MUTEX_NUKE(x)		bzero((char *)(x), sizeof(*(x)))
390#  define	KMUTEX_T		lock_t
391#  define	kmutex_t		lock_t		/* for pfil.h */
392#  define	krwlock_t		lock_t		/* for pfil.h */
393/*
394 * The read-write lock implementation in HP-UX 11.0 is crippled - it can
395 * only be used by threads working in a user context!
396 * This has been fixed!  Yipee! (Or at least it does in 11.00, not 11.11..)
397 */
398#  if HPUXREV < 1111
399#   define	MUTEX_DOWNGRADE(x)	lock_write_to_read(x)
400#   define	KRWLOCK_T		struct rw_lock
401#   define	READ_ENTER(x)		lock_read(&(x)->ipf_lk)
402#   define	WRITE_ENTER(x)		lock_write(&(x)->ipf_lk)
403#   if HPUXREV >= 1111
404#    define	RWLOCK_INIT(x, y)	rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
405#   else
406#    define	RWLOCK_INIT(x, y)	lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
407#   endif
408#   define	RWLOCK_EXIT(x)		lock_done(&(x)->ipf_lk)
409#  else
410#   define	KRWLOCK_T		lock_t
411#   define	KMUTEX_T		lock_t
412#   define	READ_ENTER(x)		MUTEX_ENTER(x)
413#   define	WRITE_ENTER(x)		MUTEX_ENTER(x)
414#   define	MUTEX_DOWNGRADE(x)
415#   define	RWLOCK_INIT(x, y)	initlock(&(x)->ipf_lk, 0, 0, y)
416#   define	RWLOCK_EXIT(x)		MUTEX_EXIT(x)
417#  endif
418#  define	RW_DESTROY(x)
419#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
420#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
421#  if HPUXREV >= 1111
422#   define	BCOPYIN(a,b,c)	0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
423#   define	BCOPYOUT(a,b,c)	0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
424#  else
425#   define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
426#   define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
427#  endif
428#  define	SPL_NET(x)	;
429#  define	SPL_IMP(x)	;
430#  undef	SPL_X
431#  define	SPL_X(x)	;
432extern	void	*get_unit __P((char *, int));
433#  define	GETIFP(n, v)	get_unit(n, v)
434#  define	IFNAME(x, b)	((ill_t *)x)->ill_name
435#  define	COPYIFNAME(x, b) \
436				(void) strncpy(b, ((qif_t *)x)->qf_name, \
437					       LIFNAMSIZ)
438#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
439#  define	SLEEP(id, n)	{ lock_t *_l = get_sleep_lock((caddr_t)id); \
440				  sleep(id, PZERO+1); \
441				  spinunlock(_l); \
442				}
443#  define	WAKEUP(id,x)	{ lock_t *_l = get_sleep_lock((caddr_t)id); \
444				  wakeup(id + x); \
445				  spinunlock(_l); \
446				}
447#  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
448#  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
449#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
450#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
451#  define	MSGDSIZE(x)	msgdsize(x)
452#  define	M_LEN(x)	((x)->b_wptr - (x)->b_rptr)
453#  define	M_DUPLICATE(x)	dupmsg((x))
454#  define	MTOD(m,t)	((t)((m)->b_rptr))
455#  define	MTYPE(m)	((m)->b_datap->db_type)
456#  define	FREE_MB_T(m)	freemsg(m)
457#  define	m_next		b_cont
458#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
459typedef mblk_t mb_t;
460
461#  define	CACHE_HASH(x)	(((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
462
463#  include "qif.h"
464#  include "pfil.h"
465
466# else /* _KERNEL */
467
468typedef	unsigned char uchar_t;
469
470#  ifndef	_SYS_STREAM_INCLUDED
471typedef char * mblk_t;
472typedef void * queue_t;
473typedef	u_long ulong;
474#  endif
475#  include <netinet/ip_info.h>
476
477# endif /* _KERNEL */
478
479# ifdef lint
480#  define ALIGN32(ptr)    (ptr ? 0L : 0L)
481#  define ALIGN16(ptr)    (ptr ? 0L : 0L)
482# else
483#  define ALIGN32(ptr)    (ptr)
484#  define ALIGN16(ptr)    (ptr)
485# endif
486
487typedef	struct uio	uio_t;
488typedef	int		ioctlcmd_t;
489typedef	int		minor_t;
490typedef unsigned int	u_32_t;
491# define	U_32_T	1
492
493# define OS_RECOGNISED 1
494
495#endif /* __hpux */
496
497/* ----------------------------------------------------------------------- */
498/*                                  I R I X                                */
499/* ----------------------------------------------------------------------- */
500#ifdef __sgi
501# undef		MENTAT
502# if IRIX < 60500
503typedef	struct uio	uio_t;
504# endif
505typedef	int		ioctlcmd_t;
506typedef u_int32_t       u_32_t;
507# define	U_32_T	1
508
509# ifdef INET6
510#  define USE_INET6
511# endif
512
513# define  hz HZ
514# include <sys/ksynch.h>
515# define	IPF_LOCK_PL	plhi
516# include <sys/sema.h>
517# undef kmutex_t
518typedef struct {
519	lock_t *l;
520	int pl;
521} kmutex_t;
522
523# ifdef MUTEX_INIT
524#  define	KMUTEX_T		mutex_t
525# else
526#  define	KMUTEX_T		kmutex_t
527#  define	KRWLOCK_T		kmutex_t
528# endif
529
530# ifdef _KERNEL
531#  define	ATOMIC_INC(x)		{ MUTEX_ENTER(&ipf_rw); \
532					  (x)++; MUTEX_EXIT(&ipf_rw); }
533#  define	ATOMIC_DEC(x)		{ MUTEX_ENTER(&ipf_rw); \
534					  (x)--; MUTEX_EXIT(&ipf_rw); }
535#  define	USE_MUTEXES
536#  ifdef MUTEX_INIT
537#   include <sys/atomic_ops.h>
538#   define	ATOMIC_INCL(x)		atomicAddUlong(&(x), 1)
539#   define	ATOMIC_INC64(x)		atomicAddUint64(&(x), 1)
540#   define	ATOMIC_INC32(x)		atomicAddUint(&(x), 1)
541#   define	ATOMIC_INC16		ATOMIC_INC
542#   define	ATOMIC_DECL(x)		atomicAddUlong(&(x), -1)
543#   define	ATOMIC_DEC64(x)		atomicAddUint64(&(x), -1)
544#   define	ATOMIC_DEC32(x)		atomicAddUint(&(x), -1)
545#   define	ATOMIC_DEC16		ATOMIC_DEC
546#   undef	MUTEX_INIT
547#   define	MUTEX_INIT(x, y)	mutex_init(&(x)->ipf_lk,  \
548						   MUTEX_DEFAULT, y)
549#   undef	MUTEX_ENTER
550#   define	MUTEX_ENTER(x)		mutex_lock(&(x)->ipf_lk, 0)
551#   undef	MUTEX_EXIT
552#   define	MUTEX_EXIT(x)		mutex_unlock(&(x)->ipf_lk)
553#   undef	MUTEX_DESTROY
554#   define	MUTEX_DESTROY(x)	mutex_destroy(&(x)->ipf_lk)
555#   define	MUTEX_DOWNGRADE(x)	mrdemote(&(x)->ipf_lk)
556#   define	KRWLOCK_T		mrlock_t
557#   define	RWLOCK_INIT(x, y)	mrinit(&(x)->ipf_lk, y)
558#   undef	RW_DESTROY
559#   define	RW_DESTROY(x)		mrfree(&(x)->ipf_lk)
560#   define	READ_ENTER(x)		RW_RDLOCK(&(x)->ipf_lk)
561#   define	WRITE_ENTER(x)		RW_WRLOCK(&(x)->ipf_lk)
562#   define	RWLOCK_EXIT(x)		RW_UNLOCK(&(x)->ipf_lk)
563#  else
564#   define	READ_ENTER(x)		MUTEX_ENTER(&(x)->ipf_lk)
565#   define	WRITE_ENTER(x)		MUTEX_ENTER(&(x)->ipf_lk)
566#   define	MUTEX_DOWNGRADE(x)	;
567#   define	RWLOCK_EXIT(x)		MUTEX_EXIT(&(x)->ipf_lk)
568#   define	MUTEX_EXIT(x)		UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
569#   define	MUTEX_INIT(x,y)		(x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
570#   define	MUTEX_DESTROY(x)	LOCK_DEALLOC((x)->ipf_lk.l)
571#   define	MUTEX_ENTER(x)		(x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
572							      IPF_LOCK_PL);
573#  endif
574#  define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
575#  define	FREE_MB_T(m)	m_freem(m)
576#  define	MTOD(m,t)	mtod(m,t)
577#  define	COPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
578#  define	COPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
579#  define	BCOPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
580#  define	BCOPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
581#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
582#  define	SLEEP(id, n)	sleep((id), PZERO+1)
583#  define	WAKEUP(id,x)	wakeup(id+x)
584#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
585#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
586#  define	GETIFP(n,v)	ifunit(n)
587#  include <sys/kmem.h>
588#  include <sys/ddi.h>
589#  define	KMALLOC(a,b)	(a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
590#  define	KMALLOCS(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
591#  define	GET_MINOR(x)	getminor(x)
592#  define	USE_SPL		1
593#  define	SPL_IMP(x)	(x) = splimp()
594#  define	SPL_NET(x)	(x) = splnet()
595#  define	SPL_X(x)	(void) splx(x)
596extern	void	m_copydata __P((struct mbuf *, int, int, caddr_t));
597extern	void	m_copyback __P((struct mbuf *, int, int, caddr_t));
598#  define	MSGDSIZE(x)	mbufchainlen(x)
599#  define	M_LEN(x)	(x)->m_len
600#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
601#  define	GETKTIME(x)	microtime((struct timeval *)x)
602#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
603				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
604#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
605typedef struct mbuf mb_t;
606# else
607#  undef RW_DESTROY
608#  undef MUTEX_INIT
609#  undef MUTEX_DESTROY
610# endif /* _KERNEL */
611
612# define OS_RECOGNISED 1
613
614#endif /* __sgi */
615
616/* ----------------------------------------------------------------------- */
617/*                                  T R U 6 4                              */
618/* ----------------------------------------------------------------------- */
619#ifdef __osf__
620# undef		MENTAT
621
622# include <kern/lock.h>
623# include <sys/sysmacros.h>
624
625# ifdef _KERNEL
626#  define	KMUTEX_T		simple_lock_data_t
627#  define	KRWLOCK_T		lock_data_t
628#  include <net/net_globals.h>
629#  define	USE_MUTEXES
630#  define	READ_ENTER(x)		lock_read(&(x)->ipf_lk)
631#  define	WRITE_ENTER(x)		lock_write(&(x)->ipf_lk)
632#  define	MUTEX_DOWNGRADE(x)	lock_write_to_read(&(x)->ipf_lk)
633#  define	RWLOCK_INIT(x, y)	lock_init(&(x)->ipf_lk, TRUE)
634#  define	RWLOCK_EXIT(x)		lock_done(&(x)->ipf_lk)
635#  define	RW_DESTROY(x)		lock_terminate(&(x)->ipf_lk)
636#  define	MUTEX_ENTER(x)		simple_lock(&(x)->ipf_lk)
637#  define	MUTEX_INIT(x, y)	simple_lock_init(&(x)->ipf_lk)
638#  define	MUTEX_DESTROY(x)	simple_lock_terminate(&(x)->ipf_lk)
639#  define	MUTEX_EXIT(x)		simple_unlock(&(x)->ipf_lk)
640#  define	MUTEX_NUKE(x)		bzero(x, sizeof(*(x)))
641#  define	ATOMIC_INC64(x)		atomic_incq((uint64_t*)&(x))
642#  define	ATOMIC_DEC64(x)		atomic_decq((uint64_t*)&(x))
643#  define	ATOMIC_INC32(x)		atomic_incl((uint32_t*)&(x))
644#  define	ATOMIC_DEC32(x)		atomic_decl((uint32_t*)&(x))
645#  define	ATOMIC_INC16(x)		{ simple_lock(&ipf_rw); (x)++; \
646					  simple_unlock(&ipf_rw); }
647#  define	ATOMIC_DEC16(x)		{ simple_lock(&ipf_rw); (x)--; \
648					  simple_unlock(&ipf_rw); }
649#  define	ATOMIC_INCL(x)		atomic_incl((uint32_t*)&(x))
650#  define	ATOMIC_DECL(x)		atomic_decl((uint32_t*)&(x))
651#  define	ATOMIC_INC(x)		{ simple_lock(&ipf_rw); (x)++; \
652					  simple_unlock(&ipf_rw); }
653#  define	ATOMIC_DEC(x)		{ simple_lock(&ipf_rw); (x)--; \
654					  simple_unlock(&ipf_rw); }
655#  define	SPL_NET(x)		;
656#  define	SPL_IMP(x)		;
657#  undef	SPL_X
658#  define	SPL_X(x)		;
659#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a, b, d)
660#  define	FREE_MB_T(m)		m_freem(m)
661#  define	MTOD(m,t)		mtod(m,t)
662#  define	GETIFP(n, v)		ifunit(n)
663#  define	GET_MINOR		getminor
664#  define	WAKEUP(id,x)		wakeup(id + x)
665#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
666#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
667#  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
668#  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
669#  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
670#  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), M_PFILT, \
671					    ((c) > 4096) ? M_WAITOK : M_NOWAIT)
672#  define	KFREE(x)	FREE((x), M_PFILT)
673#  define	KFREES(x,s)	FREE((x), M_PFILT)
674#  define	MSGDSIZE(x)	mbufchainlen(x)
675#  define	M_LEN(x)	(x)->m_len
676#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
677#  define	GETKTIME(x)	microtime((struct timeval *)x)
678#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
679				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
680#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
681typedef struct mbuf mb_t;
682# endif /* _KERNEL */
683
684# if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
685#  define	IP_V(x)		((x)->ip_vhl >> 4)
686#  define	IP_HL(x)	((x)->ip_vhl & 0xf)
687#  define	IP_V_A(x,y)	(x)->ip_vhl |= (((y) << 4) & 0xf0)
688#  define	IP_HL_A(x,y)	(x)->ip_vhl |= ((y) & 0xf)
689#  define	TCP_X2(x)	((x)->th_xoff & 0xf)
690#  define	TCP_X2_A(x,y)	(x)->th_xoff |= ((y) & 0xf)
691#  define	TCP_OFF(x)	((x)->th_xoff >> 4)
692#  define	TCP_OFF_A(x,y)	(x)->th_xoff |= (((y) << 4) & 0xf0)
693# endif
694
695/*
696 * These are from's Solaris' #defines for little endian.
697 */
698#define	IP6F_MORE_FRAG		0x0100
699#define	IP6F_RESERVED_MASK	0x0600
700#define	IP6F_OFF_MASK		0xf8ff
701
702struct ip6_ext {
703	u_char	ip6e_nxt;
704	u_char	ip6e_len;
705};
706
707typedef	int		ioctlcmd_t;
708/*
709 * Really, any arch where sizeof(long) != sizeof(int).
710 */
711typedef unsigned int    u_32_t;
712# define	U_32_T	1
713
714# define OS_RECOGNISED 1
715#endif /* __osf__ */
716
717/* ----------------------------------------------------------------------- */
718/*                                  N E T B S D                            */
719/* ----------------------------------------------------------------------- */
720#ifdef __NetBSD__
721# if defined(_KERNEL) && !defined(IPFILTER_LKM)
722#  include "bpfilter.h"
723#  if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
724#   include "opt_inet.h"
725#  endif
726#  ifdef INET6
727#   define USE_INET6
728#  endif
729#  if (__NetBSD_Version__ >= 105000000)
730#   define HAVE_M_PULLDOWN 1
731#  endif
732# endif
733
734# ifdef _KERNEL
735#  define	MSGDSIZE(x)	mbufchainlen(x)
736#  define	M_LEN(x)	(x)->m_len
737#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
738#  define	GETKTIME(x)	microtime((struct timeval *)x)
739#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
740#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
741#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
742#  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
743#  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
744typedef struct mbuf mb_t;
745# endif /* _KERNEL */
746# if (NetBSD <= 1991011) && (NetBSD >= 199606)
747#  define	IFNAME(x)	((struct ifnet *)x)->if_xname
748#  define	COPYIFNAME(x, b) \
749				(void) strncpy(b, \
750					       ((struct ifnet *)x)->if_xname, \
751					       LIFNAMSIZ)
752#  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index)&7)
753# else
754#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
755				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
756# endif
757
758typedef	struct uio	uio_t;
759typedef	u_long		ioctlcmd_t;
760typedef	int		minor_t;
761typedef	u_int32_t	u_32_t;
762# define	U_32_T	1
763
764# define OS_RECOGNISED 1
765#endif /* __NetBSD__ */
766
767
768/* ----------------------------------------------------------------------- */
769/*                                F R E E B S D                            */
770/* ----------------------------------------------------------------------- */
771#ifdef __FreeBSD__
772# if defined(_KERNEL) && !defined(IPFILTER_LKM) && !defined(KLD_MODULE)
773#  if (__FreeBSD_version >= 500000)
774#   include "opt_bpf.h"
775#  else
776#   include "bpf.h"
777#  endif
778#  if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
779#   include "opt_inet6.h"
780#  endif
781#  if defined(INET6) && !defined(USE_INET6)
782#   define USE_INET6
783#  endif
784# endif
785
786# if defined(_KERNEL)
787#  if (__FreeBSD_version >= 400000)
788/*
789 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
790 * There may be other, safe, kernels but this is not extensively tested yet.
791 */
792#   define HAVE_M_PULLDOWN
793#  endif
794#  if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
795#   include "opt_ipfilter.h"
796#  endif
797#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
798#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
799#  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
800#  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
801
802#  if (__FreeBSD_version >= 500043)
803#   define NETBSD_PF
804#  endif
805# endif /* _KERNEL */
806
807# if (__FreeBSD_version >= 500043)
808#  include <sys/mutex.h>
809#  include <sys/sx.h>
810/*
811 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
812 * for what we want to use them for, despite testing showing they work -
813 * with a WITNESS kernel, it generates LOR messages.
814 */
815#  define	KMUTEX_T		struct mtx
816#  if 1
817#   define	KRWLOCK_T		struct mtx
818#  else
819#   define	KRWLOCK_T		struct sx
820#  endif
821# endif
822
823# if (__FreeBSD_version >= 501113)
824#  include <net/if_var.h>
825#  define	IFNAME(x)	((struct ifnet *)x)->if_xname
826#  define	COPYIFNAME(x, b) \
827				(void) strncpy(b, \
828					       ((struct ifnet *)x)->if_xname, \
829					       LIFNAMSIZ)
830# endif
831# if (__FreeBSD_version >= 500043)
832#  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
833# else
834#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
835				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
836# endif
837
838# ifdef _KERNEL
839#  define	GETKTIME(x)	microtime((struct timeval *)x)
840
841#  if (__FreeBSD_version >= 500002)
842#   include <netinet/in_systm.h>
843#   include <netinet/ip.h>
844#   include <machine/in_cksum.h>
845#  endif
846
847#  if (__FreeBSD_version >= 500043)
848#   define	USE_MUTEXES
849#   define	MUTEX_ENTER(x)		mtx_lock(&(x)->ipf_lk)
850#   define	MUTEX_EXIT(x)		mtx_unlock(&(x)->ipf_lk)
851#   define	MUTEX_INIT(x,y)		mtx_init(&(x)->ipf_lk, (y), NULL,\
852						 MTX_DEF)
853#   define	MUTEX_DESTROY(x)	mtx_destroy(&(x)->ipf_lk)
854#   define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
855/*
856 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
857 * for what we want to use them for, despite testing showing they work -
858 * with a WITNESS kernel, it generates LOR messages.
859 */
860#   if 1
861#    define	READ_ENTER(x)		mtx_lock(&(x)->ipf_lk)
862#    define	WRITE_ENTER(x)		mtx_lock(&(x)->ipf_lk)
863#    define	RWLOCK_EXIT(x)		mtx_unlock(&(x)->ipf_lk)
864#    define	MUTEX_DOWNGRADE(x)	;
865#    define	RWLOCK_INIT(x,y)	mtx_init(&(x)->ipf_lk, (y), NULL,\
866						 MTX_DEF)
867#    define	RW_DESTROY(x)		mtx_destroy(&(x)->ipf_lk)
868#   else
869#    define	READ_ENTER(x)		sx_slock(&(x)->ipf_lk)
870#    define	WRITE_ENTER(x)		sx_xlock(&(x)->ipf_lk)
871#    define	MUTEX_DOWNGRADE(x)	sx_downgrade(&(x)->ipf_lk)
872#    define	RWLOCK_INIT(x, y)	sx_init(&(x)->ipf_lk, (y))
873#    define	RW_DESTROY(x)		sx_destroy(&(x)->ipf_lk)
874#    ifdef sx_unlock
875#     define	RWLOCK_EXIT(x)		sx_unlock(x)
876#    else
877#     define	RWLOCK_EXIT(x)		do { \
878					    if ((x)->ipf_lk.sx_cnt < 0) \
879						sx_xunlock(&(x)->ipf_lk); \
880					    else \
881						sx_sunlock(&(x)->ipf_lk); \
882					} while (0)
883#    endif
884#   endif
885#   include <machine/atomic.h>
886#   define	ATOMIC_INC(x)		{ mtx_lock(&ipf_rw.ipf_lk); (x)++; \
887					  mtx_unlock(&ipf_rw.ipf_lk); }
888#   define	ATOMIC_DEC(x)		{ mtx_lock(&ipf_rw.ipf_lk); (x)--; \
889					  mtx_unlock(&ipf_rw.ipf_lk); }
890#   define	ATOMIC_INCL(x)		atomic_add_long(&(x), 1)
891#   define	ATOMIC_INC64(x)		ATOMIC_INC(x)
892#   define	ATOMIC_INC32(x)		atomic_add_32(&(x), 1)
893#   define	ATOMIC_INC16(x)		atomic_add_16(&(x), 1)
894#   define	ATOMIC_DECL(x)		atomic_add_long(&(x), -1)
895#   define	ATOMIC_DEC64(x)		ATOMIC_DEC(x)
896#   define	ATOMIC_DEC32(x)		atomic_add_32(&(x), -1)
897#   define	ATOMIC_DEC16(x)		atomic_add_16(&(x), -1)
898#   define	SPL_X(x)	;
899#   define	SPL_NET(x)	;
900#   define	SPL_IMP(x)	;
901extern	int	in_cksum __P((struct mbuf *, int));
902#  endif /* __FreeBSD_version >= 500043 */
903#  define	MSGDSIZE(x)	mbufchainlen(x)
904#  define	M_LEN(x)	(x)->m_len
905#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
906#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
907typedef struct mbuf mb_t;
908# endif /* _KERNEL */
909
910# if __FreeBSD__ < 3
911#  include <machine/spl.h>
912# else
913#  if __FreeBSD__ == 3
914#   if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
915#    define	ACTUALLY_LKM_NOT_KERNEL
916#   endif
917#  endif
918# endif
919
920# if (__FreeBSD_version >= 300000)
921typedef	u_long		ioctlcmd_t;
922# else
923typedef	int		ioctlcmd_t;
924# endif
925typedef	struct uio	uio_t;
926typedef	int		minor_t;
927typedef	u_int32_t	u_32_t;
928# define	U_32_T	1
929
930# define OS_RECOGNISED 1
931#endif /* __FreeBSD__ */
932
933
934/* ----------------------------------------------------------------------- */
935/*                                O P E N B S D                            */
936/* ----------------------------------------------------------------------- */
937#ifdef __OpenBSD__
938# ifdef INET6
939#  define USE_INET6
940# endif
941
942# ifdef _KERNEL
943#  if !defined(IPFILTER_LKM)
944#   include "bpfilter.h"
945#  endif
946#  if (OpenBSD >= 200311)
947#   define SNPRINTF	snprintf
948#   if defined(USE_INET6)
949#    include "netinet6/in6_var.h"
950#    include "netinet6/nd6.h"
951#   endif
952#  endif
953#  if (OpenBSD >= 200012)
954#   define HAVE_M_PULLDOWN 1
955#  endif
956#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
957#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
958#  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
959#  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
960#  define	GETKTIME(x)	microtime((struct timeval *)x)
961#  define	MSGDSIZE(x)	mbufchainlen(x)
962#  define	M_LEN(x)	(x)->m_len
963#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
964#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
965typedef struct mbuf mb_t;
966# endif /* _KERNEL */
967# if (OpenBSD >= 199603)
968#  define	IFNAME(x, b)	((struct ifnet *)x)->if_xname
969#  define	COPYIFNAME(x, b) \
970				(void) strncpy(b, \
971					       ((struct ifnet *)x)->if_xname, \
972					       LIFNAMSIZ)
973#  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index)&7)
974# else
975#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
976				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
977# endif
978
979typedef	struct uio	uio_t;
980typedef	u_long		ioctlcmd_t;
981typedef	int		minor_t;
982typedef	u_int32_t	u_32_t;
983# define	U_32_T	1
984
985# define OS_RECOGNISED 1
986#endif /* __OpenBSD__ */
987
988
989/* ----------------------------------------------------------------------- */
990/*                                B S D O S                                */
991/* ----------------------------------------------------------------------- */
992#ifdef _BSDI_VERSION
993# ifdef INET6
994#  define USE_INET6
995# endif
996
997# ifdef _KERNEL
998#  define	GETKTIME(x)	microtime((struct timeval *)x)
999#  define	MSGDSIZE(x)	mbufchainlen(x)
1000#  define	M_LEN(x)	(x)->m_len
1001#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
1002#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1003				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1004typedef struct mbuf mb_t;
1005# endif /* _KERNEL */
1006
1007# if (_BSDI_VERSION >= 199701)
1008typedef	u_long		ioctlcmd_t;
1009# else
1010typedef	int		ioctlcmd_t;
1011# endif
1012typedef	u_int32_t	u_32_t;
1013# define	U_32_T	1
1014
1015#endif /* _BSDI_VERSION */
1016
1017
1018/* ----------------------------------------------------------------------- */
1019/*                                  S U N O S 4                            */
1020/* ----------------------------------------------------------------------- */
1021#if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1022# ifdef _KERNEL
1023#  include	<sys/kmem_alloc.h>
1024#  define	GETKTIME(x)	uniqtime((struct timeval *)x)
1025#  define	MSGDSIZE(x)	mbufchainlen(x)
1026#  define	M_LEN(x)	(x)->m_len
1027#  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
1028#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1029				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1030#  define	GETIFP(n, v)	ifunit(n, IFNAMSIZ)
1031#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
1032#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
1033#  define	SLEEP(id, n)	sleep((id), PZERO+1)
1034#  define	WAKEUP(id,x)	wakeup(id + x)
1035#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
1036#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
1037
1038extern	void	m_copydata __P((struct mbuf *, int, int, caddr_t));
1039extern	void	m_copyback __P((struct mbuf *, int, int, caddr_t));
1040
1041typedef struct mbuf mb_t;
1042# endif
1043
1044typedef	struct uio	uio_t;
1045typedef	int		ioctlcmd_t;
1046typedef	int		minor_t;
1047typedef	unsigned int	u_32_t;
1048# define	U_32_T	1
1049
1050# define OS_RECOGNISED 1
1051
1052#endif /* SunOS 4 */
1053
1054/* ----------------------------------------------------------------------- */
1055/*                            L I N U X                                    */
1056/* ----------------------------------------------------------------------- */
1057#if defined(linux) && !defined(OS_RECOGNISED)
1058#include <linux/config.h>
1059#include <linux/version.h>
1060# if LINUX >= 20600
1061#  define	 HDR_T_PRIVATE	1
1062# endif
1063# undef USE_INET6
1064# ifdef USE_INET6
1065struct ip6_ext {
1066	u_char	ip6e_nxt;
1067	u_char	ip6e_len;
1068};
1069# endif
1070
1071# ifdef _KERNEL
1072#  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
1073#  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1074#  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1075#  define	COPYIN(a,b,c)	copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1076#  define	COPYOUT(a,b,c)	copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1077#  define	FREE_MB_T(m)	kfree_skb(m)
1078#  define	GETKTIME(x)	do_gettimeofday((struct timeval *)x)
1079#  define	SLEEP(x,s)	0, interruptible_sleep_on(x##_linux)
1080#  define	WAKEUP(x,y)	wake_up(x##_linux + y)
1081#  define	UIOMOVE(a,b,c,d)	uiomove(a,b,c,d)
1082#  define	USE_MUTEXES
1083#  define	KRWLOCK_T		rwlock_t
1084#  define	KMUTEX_T		spinlock_t
1085#  define	MUTEX_INIT(x,y)		spin_lock_init(&(x)->ipf_lk)
1086#  define	MUTEX_ENTER(x)		spin_lock(&(x)->ipf_lk)
1087#  define	MUTEX_EXIT(x)		spin_unlock(&(x)->ipf_lk)
1088#  define	MUTEX_DESTROY(x)	do { } while (0)
1089#  define	MUTEX_NUKE(x)		bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1090#  define	READ_ENTER(x)		ipf_read_enter(x)
1091#  define	WRITE_ENTER(x)		ipf_write_enter(x)
1092#  define	RWLOCK_INIT(x,y)	rwlock_init(&(x)->ipf_lk)
1093#  define	RW_DESTROY(x)		do { } while (0)
1094#  define	RWLOCK_EXIT(x)		ipf_rw_exit(x)
1095#  define	MUTEX_DOWNGRADE(x)	ipf_rw_downgrade(x)
1096#  define	ATOMIC_INCL(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1097					MUTEX_EXIT(&ipf_rw)
1098#  define	ATOMIC_DECL(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1099					MUTEX_EXIT(&ipf_rw)
1100#  define	ATOMIC_INC64(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1101					MUTEX_EXIT(&ipf_rw)
1102#  define	ATOMIC_INC32(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1103					MUTEX_EXIT(&ipf_rw)
1104#  define	ATOMIC_INC16(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1105					MUTEX_EXIT(&ipf_rw)
1106#  define	ATOMIC_DEC64(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1107					MUTEX_EXIT(&ipf_rw)
1108#  define	ATOMIC_DEC32(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1109					MUTEX_EXIT(&ipf_rw)
1110#  define	ATOMIC_DEC16(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1111					MUTEX_EXIT(&ipf_rw)
1112#  define	SPL_IMP(x)		do { } while (0)
1113#  define	SPL_NET(x)		do { } while (0)
1114#  define	SPL_X(x)		do { } while (0)
1115#  define	IFNAME(x)		((struct net_device*)x)->name
1116#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1117			  ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1118typedef	struct	sk_buff	mb_t;
1119extern	void	m_copydata __P((mb_t *, int, int, caddr_t));
1120extern	void	m_copyback __P((mb_t *, int, int, caddr_t));
1121extern	void	m_adj __P((mb_t *, int));
1122extern	mb_t	*m_pullup __P((mb_t *, int));
1123#  define	mbuf	sk_buff
1124
1125#  define	mtod(m, t)	((t)(m)->data)
1126#  define	m_len		len
1127#  define	m_next		next
1128#  define	M_DUPLICATE(m)	skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1129								GFP_KERNEL)
1130#  define	MSGDSIZE(m)	(m)->len
1131#  define	M_LEN(m)	(m)->len
1132
1133#  define	splnet(x)	;
1134#  define	printf		printk
1135#  define	bcopy(s,d,z)	memmove(d, s, z)
1136#  define	bzero(s,z)	memset(s, 0, z)
1137#  define	bcmp(a,b,z)	memcmp(a, b, z)
1138
1139#  define	ifnet		net_device
1140#  define	if_xname	name
1141#  define	if_unit		ifindex
1142
1143#  define	KMALLOC(x,t)	(x) = (t)kmalloc(sizeof(*(x)), \
1144				    in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1145#  define	KFREE(x)	kfree(x)
1146#  define	KMALLOCS(x,t,s)	(x) = (t)kmalloc((s), \
1147				    in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1148#  define	KFREES(x,s)	kfree(x)
1149
1150#  define GETIFP(n,v)	dev_get_by_name(n)
1151
1152# else
1153#  include <net/ethernet.h>
1154
1155struct mbuf {
1156};
1157
1158#  ifndef _NET_ROUTE_H
1159struct rtentry {
1160};
1161#  endif
1162
1163struct ifnet {
1164	char	if_xname[IFNAMSIZ];
1165	int	if_unit;
1166	int	(* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1167	struct	ifaddr	*if_addrlist;
1168};
1169# define	IFNAME(x)	((struct ifnet *)x)->if_xname
1170
1171# endif	/* _KERNEL */
1172
1173# define	COPYIFNAME(x, b) \
1174				(void) strncpy(b, \
1175					       ((struct ifnet *)x)->if_xname, \
1176					       LIFNAMSIZ)
1177
1178# include <linux/fs.h>
1179# define	FWRITE	FMODE_WRITE
1180# define	FREAD	FMODE_READ
1181
1182# define	__USE_MISC	1
1183# define	__FAVOR_BSD	1
1184
1185typedef	struct uio {
1186	struct iovec	*uio_iov;
1187	void	*uio_file;
1188	char	*uio_buf;
1189	int	uio_iovcnt;
1190	int	uio_offset;
1191	size_t	uio_resid;
1192	int	uio_rw;
1193} uio_t;
1194
1195extern	int	uiomove __P((caddr_t, size_t, int, struct uio *));
1196
1197# define	UIO_READ	1
1198# define	UIO_WRITE	2
1199
1200typedef	u_long		ioctlcmd_t;
1201typedef	int		minor_t;
1202typedef u_int32_t 	u_32_t;
1203# define	U_32_T	1
1204
1205# define OS_RECOGNISED 1
1206
1207#endif
1208
1209
1210#ifndef	OS_RECOGNISED
1211#error	ip_compat.h does not recognise this platform/OS.
1212#endif
1213
1214
1215/* ----------------------------------------------------------------------- */
1216/*                           G E N E R I C                                 */
1217/* ----------------------------------------------------------------------- */
1218#ifndef OS_RECOGNISED
1219#endif
1220
1221/*
1222 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1223 * filter rules.
1224 */
1225#if !defined(IPFILTER_BPF) && ((NBPF > 0) || (NBPFILTER > 0))
1226# define IPFILTER_BPF
1227#endif
1228
1229/*
1230 * Userland locking primitives
1231 */
1232typedef	struct	{
1233	char	*eMm_owner;
1234	char	*eMm_heldin;
1235	u_int	eMm_magic;
1236	int	eMm_held;
1237	int	eMm_heldat;
1238#ifdef __hpux
1239	char	eMm_fill[8];
1240#endif
1241} eMmutex_t;
1242
1243typedef	struct	{
1244	char	*eMrw_owner;
1245	char	*eMrw_heldin;
1246	u_int	eMrw_magic;
1247	short	eMrw_read;
1248	short	eMrw_write;
1249	int	eMrw_heldat;
1250#ifdef __hpux
1251	char	eMm_fill[24];
1252#endif
1253} eMrwlock_t;
1254
1255typedef union {
1256#ifdef KMUTEX_T
1257	struct	{
1258		KMUTEX_T	ipf_slk;
1259		char		*ipf_lname;
1260	} ipf_lkun_s;
1261#endif
1262	eMmutex_t	ipf_emu;
1263} ipfmutex_t;
1264
1265typedef union {
1266#ifdef KRWLOCK_T
1267	struct	{
1268		KRWLOCK_T	ipf_slk;
1269		char		*ipf_lname;
1270		int		ipf_sr;
1271		int		ipf_sw;
1272		u_int		ipf_magic;
1273	} ipf_lkun_s;
1274#endif
1275	eMrwlock_t	ipf_emu;
1276} ipfrwlock_t;
1277
1278#define	ipf_lk		ipf_lkun_s.ipf_slk
1279#define	ipf_lname	ipf_lkun_s.ipf_lname
1280#define	ipf_isr		ipf_lkun_s.ipf_sr
1281#define	ipf_isw		ipf_lkun_s.ipf_sw
1282#define	ipf_magic	ipf_lkun_s.ipf_magic
1283
1284#if !defined(__GNUC__) || \
1285    (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1286# ifndef	INLINE
1287#  define	INLINE
1288# endif
1289#else
1290# define	INLINE	__inline__
1291#endif
1292
1293#if defined(linux) && defined(_KERNEL)
1294extern	INLINE	void	ipf_read_enter __P((ipfrwlock_t *));
1295extern	INLINE	void	ipf_write_enter __P((ipfrwlock_t *));
1296extern	INLINE	void	ipf_rw_exit __P((ipfrwlock_t *));
1297extern	INLINE	void	ipf_rw_downgrade __P((ipfrwlock_t *));
1298#endif
1299
1300/*
1301 * In a non-kernel environment, there are a lot of macros that need to be
1302 * filled in to be null-ops or to point to some compatibility function,
1303 * somewhere in userland.
1304 */
1305#ifndef _KERNEL
1306typedef	struct	mb_s	{
1307	struct	mb_s	*mb_next;
1308	int		mb_len;
1309	u_long		mb_buf[2048];
1310} mb_t;
1311# undef		m_next
1312# define	m_next		mb_next
1313# define	MSGDSIZE(x)	(x)->mb_len	/* XXX - from ipt.c */
1314# define	M_LEN(x)	(x)->mb_len
1315# define	M_DUPLICATE(x)	(x)
1316# define	GETKTIME(x)	gettimeofday((struct timeval *)(x), NULL)
1317# define	MTOD(m, t)	((t)(m)->mb_buf)
1318# define	FREE_MB_T(x)
1319# define	SLEEP(x,y)	1;
1320# define	WAKEUP(x,y)	;
1321# define	IPF_PANIC(x,y)	;
1322# define	PANIC(x,y)	;
1323# define	SPL_NET(x)	;
1324# define	SPL_IMP(x)	;
1325# define	SPL_X(x)	;
1326# define	KMALLOC(a,b)	(a) = (b)malloc(sizeof(*a))
1327# define	KMALLOCS(a,b,c)	(a) = (b)malloc(c)
1328# define	KFREE(x)	free(x)
1329# define	KFREES(x,s)	free(x)
1330# define	GETIFP(x, v)	get_unit(x,v)
1331# define	COPYIN(a,b,c)	(bcopy((a), (b), (c)), 0)
1332# define	COPYOUT(a,b,c)	(bcopy((a), (b), (c)), 0)
1333# define	BCOPYIN(a,b,c)	(bcopy((a), (b), (c)), 0)
1334# define	BCOPYOUT(a,b,c)	(bcopy((a), (b), (c)), 0)
1335# define	COPYDATA(m, o, l, b)	bcopy(MTOD((mb_t *)m, char *) + (o), \
1336					      (b), (l))
1337# define	COPYBACK(m, o, l, b)	bcopy((b), \
1338					      MTOD((mb_t *)m, char *) + (o), \
1339					      (l))
1340# define	UIOMOVE(a,b,c,d)	ipfuiomove(a,b,c,d)
1341extern	void	m_copydata __P((mb_t *, int, int, caddr_t));
1342extern	int	ipfuiomove __P((caddr_t, int, int, struct uio *));
1343# ifndef CACHE_HASH
1344#  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1345				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1346# endif
1347
1348# define	MUTEX_DESTROY(x)	eMmutex_destroy(&(x)->ipf_emu)
1349# define	MUTEX_ENTER(x)		eMmutex_enter(&(x)->ipf_emu, \
1350						      __FILE__, __LINE__)
1351# define	MUTEX_EXIT(x)		eMmutex_exit(&(x)->ipf_emu)
1352# define	MUTEX_INIT(x,y)		eMmutex_init(&(x)->ipf_emu, y)
1353# define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
1354
1355# define	MUTEX_DOWNGRADE(x)	eMrwlock_downgrade(&(x)->ipf_emu, \
1356							   __FILE__, __LINE__)
1357# define	READ_ENTER(x)		eMrwlock_read_enter(&(x)->ipf_emu, \
1358							    __FILE__, __LINE__)
1359# define	RWLOCK_INIT(x, y)	eMrwlock_init(&(x)->ipf_emu, y)
1360# define	RWLOCK_EXIT(x)		eMrwlock_exit(&(x)->ipf_emu)
1361# define	RW_DESTROY(x)		eMrwlock_destroy(&(x)->ipf_emu)
1362# define	WRITE_ENTER(x)		eMrwlock_write_enter(&(x)->ipf_emu, \
1363							     __FILE__, \
1364							     __LINE__)
1365
1366# define	USE_MUTEXES		1
1367
1368extern void eMmutex_destroy __P((eMmutex_t *));
1369extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1370extern void eMmutex_exit __P((eMmutex_t *));
1371extern void eMmutex_init __P((eMmutex_t *, char *));
1372extern void eMrwlock_destroy __P((eMrwlock_t *));
1373extern void eMrwlock_exit __P((eMrwlock_t *));
1374extern void eMrwlock_init __P((eMrwlock_t *, char *));
1375extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1376extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1377extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1378
1379#endif
1380
1381#define	MAX_IPV4HDR	((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1382
1383#ifndef	IP_OFFMASK
1384# define	IP_OFFMASK	0x1fff
1385#endif
1386
1387
1388/*
1389 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1390 * object.
1391 */
1392#if (BSD > 199306)
1393# define	USE_QUAD_T
1394# define	U_QUAD_T	unsigned long long
1395# define	QUAD_T		long long
1396#else /* BSD > 199306 */
1397# define	U_QUAD_T	u_long
1398# define	QUAD_T		long
1399#endif /* BSD > 199306 */
1400
1401
1402#ifdef	USE_INET6
1403# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1404     defined(__osf__) || defined(linux)
1405#  include <netinet/ip6.h>
1406#  include <netinet/icmp6.h>
1407#  if !defined(linux)
1408#   if defined(_KERNEL) && !defined(__osf__)
1409#    include <netinet6/ip6_var.h>
1410#   endif
1411#  endif
1412typedef	struct ip6_hdr	ip6_t;
1413# endif
1414#endif
1415
1416#ifndef	MAX
1417# define	MAX(a,b)	(((a) > (b)) ? (a) : (b))
1418#endif
1419
1420#if defined(_KERNEL)
1421# ifdef MENTAT
1422#  define	COPYDATA	mb_copydata
1423#  define	COPYBACK	mb_copyback
1424# else
1425#  define	COPYDATA	m_copydata
1426#  define	COPYBACK	m_copyback
1427# endif
1428# if (BSD >= 199306) || defined(__FreeBSD__)
1429#  if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1430       defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1431       defined(_BSDI_VERSION)
1432#   include <vm/vm.h>
1433#  endif
1434#  if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1435      (__FreeBSD_version >= 300000))
1436#   if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1437       (defined(OpenBSD) && (OpenBSD >= 200111))
1438#    include <uvm/uvm_extern.h>
1439#   else
1440#    include <vm/vm_extern.h>
1441extern  vm_map_t        kmem_map;
1442#   endif
1443#   include <sys/proc.h>
1444#  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1445#   include <vm/vm_kern.h>
1446#  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1447
1448#  ifdef IPFILTER_M_IPFILTER
1449#    include <sys/malloc.h>
1450MALLOC_DECLARE(M_IPFILTER);
1451#    define	_M_IPF		M_IPFILTER
1452#  else /* IPFILTER_M_IPFILTER */
1453#   ifdef M_PFIL
1454#    define	_M_IPF		M_PFIL
1455#   else
1456#    ifdef M_IPFILTER
1457#     define	_M_IPF		M_IPFILTER
1458#    else
1459#     define	_M_IPF		M_TEMP
1460#    endif /* M_IPFILTER */
1461#   endif /* M_PFIL */
1462#  endif /* IPFILTER_M_IPFILTER */
1463#  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1464#  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1465#  define	KFREE(x)	FREE((x), _M_IPF)
1466#  define	KFREES(x,s)	FREE((x), _M_IPF)
1467#  define	UIOMOVE(a,b,c,d)	uiomove(a,b,d)
1468#  define	SLEEP(id, n)	tsleep((id), PPAUSE|PCATCH, n, 0)
1469#  define	WAKEUP(id,x)	wakeup(id+x)
1470#  define	GETIFP(n, v)	ifunit(n)
1471# endif /* (Free)BSD */
1472
1473# if !defined(USE_MUTEXES) && !defined(SPL_NET)
1474#  if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1475      (defined(OpenBSD) && (OpenBSD >= 200006))
1476#   define	SPL_NET(x)	x = splsoftnet()
1477#  else
1478#   define	SPL_IMP(x)	x = splimp()
1479#   define	SPL_NET(x)	x = splnet()
1480#  endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1481#  define	SPL_X(x)	(void) splx(x)
1482# endif /* !USE_MUTEXES */
1483
1484# ifndef FREE_MB_T
1485#  define	FREE_MB_T(m)	m_freem(m)
1486# endif
1487
1488# ifndef MTOD
1489#  define	MTOD(m,t)	mtod(m,t)
1490# endif
1491
1492# ifndef COPYIN
1493#  define	COPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1494#  define	COPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1495#  define	BCOPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1496#  define	BCOPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1497# endif
1498
1499# ifndef KMALLOC
1500#  define	KMALLOC(a,b)	(a) = (b)new_kmem_alloc(sizeof(*(a)), \
1501							KMEM_NOSLEEP)
1502#  define	KMALLOCS(a,b,c)	(a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1503# endif
1504
1505# ifndef	GET_MINOR
1506#  define	GET_MINOR(x)	minor(x)
1507# endif
1508# define	PANIC(x,y)	if (x) panic y
1509#endif /* _KERNEL */
1510
1511#ifndef	IFNAME
1512# define	IFNAME(x)	((struct ifnet *)x)->if_name
1513#endif
1514#ifndef	COPYIFNAME
1515# define	NEED_FRGETIFNAME
1516extern	char	*fr_getifname __P((struct ifnet *, char *));
1517# define	COPYIFNAME(x, b) \
1518				fr_getifname((struct ifnet *)x, b)
1519#endif
1520
1521#ifndef ASSERT
1522# define	ASSERT(x)
1523#endif
1524
1525/*
1526 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1527 * would mean all normal code that walks through strings needed casts.  Yuck.
1528 */
1529#define	ISALNUM(x)	isalnum((u_char)(x))
1530#define	ISALPHA(x)	isalpha((u_char)(x))
1531#define	ISASCII(x)	isascii((u_char)(x))
1532#define	ISDIGIT(x)	isdigit((u_char)(x))
1533#define	ISPRINT(x)	isprint((u_char)(x))
1534#define	ISSPACE(x)	isspace((u_char)(x))
1535#define	ISUPPER(x)	isupper((u_char)(x))
1536#define	ISXDIGIT(x)	isxdigit((u_char)(x))
1537#define	ISLOWER(x)	islower((u_char)(x))
1538#define	TOUPPER(x)	toupper((u_char)(x))
1539#define	TOLOWER(x)	tolower((u_char)(x))
1540
1541/*
1542 * If mutexes aren't being used, turn all the mutex functions into null-ops.
1543 */
1544#if !defined(USE_MUTEXES)
1545# define	USE_SPL			1
1546# undef		RW_DESTROY
1547# undef		MUTEX_INIT
1548# undef		MUTEX_NUKE
1549# undef		MUTEX_DESTROY
1550# define	MUTEX_ENTER(x)		;
1551# define	READ_ENTER(x)		;
1552# define	WRITE_ENTER(x)		;
1553# define	MUTEX_DOWNGRADE(x)	;
1554# define	RWLOCK_INIT(x, y)	;
1555# define	RWLOCK_EXIT(x)		;
1556# define	RW_DESTROY(x)		;
1557# define	MUTEX_EXIT(x)		;
1558# define	MUTEX_INIT(x,y)		;
1559# define	MUTEX_DESTROY(x)	;
1560# define	MUTEX_NUKE(x)		;
1561#endif /* !USE_MUTEXES */
1562#ifndef	ATOMIC_INC
1563# define	ATOMIC_INC(x)		(x)++
1564# define	ATOMIC_DEC(x)		(x)--
1565#endif
1566
1567/*
1568 * If there are no atomic operations for bit sizes defined, define them to all
1569 * use a generic one that works for all sizes.
1570 */
1571#ifndef	ATOMIC_INCL
1572# define	ATOMIC_INCL		ATOMIC_INC
1573# define	ATOMIC_INC64		ATOMIC_INC
1574# define	ATOMIC_INC32		ATOMIC_INC
1575# define	ATOMIC_INC16		ATOMIC_INC
1576# define	ATOMIC_DECL		ATOMIC_DEC
1577# define	ATOMIC_DEC64		ATOMIC_DEC
1578# define	ATOMIC_DEC32		ATOMIC_DEC
1579# define	ATOMIC_DEC16		ATOMIC_DEC
1580#endif
1581
1582#ifndef HDR_T_PRIVATE
1583typedef	struct	tcphdr	tcphdr_t;
1584typedef	struct	udphdr	udphdr_t;
1585#endif
1586typedef	struct	icmp	icmphdr_t;
1587typedef	struct	ip	ip_t;
1588typedef	struct	ether_header	ether_header_t;
1589typedef	struct	tcpiphdr	tcpiphdr_t;
1590
1591#ifndef	FR_GROUPLEN
1592# define	FR_GROUPLEN	16
1593#endif
1594
1595#ifdef offsetof
1596# undef	offsetof
1597#endif
1598#ifndef offsetof
1599# define offsetof(t,m) (int)((&((t *)0L)->m))
1600#endif
1601
1602/*
1603 * This set of macros has been brought about because on Tru64 it is not
1604 * possible to easily assign or examine values in a structure that are
1605 * bit fields.
1606 */
1607#ifndef IP_V
1608# define	IP_V(x)		(x)->ip_v
1609#endif
1610#ifndef	IP_V_A
1611# define	IP_V_A(x,y)	(x)->ip_v = (y)
1612#endif
1613#ifndef	IP_HL
1614# define	IP_HL(x)	(x)->ip_hl
1615#endif
1616#ifndef	IP_HL_A
1617# define	IP_HL_A(x,y)	(x)->ip_hl = (y)
1618#endif
1619#ifndef	TCP_X2
1620# define	TCP_X2(x)	(x)->th_x2
1621#endif
1622#ifndef	TCP_X2_A
1623# define	TCP_X2_A(x,y)	(x)->th_x2 = (y)
1624#endif
1625#ifndef	TCP_OFF
1626# define	TCP_OFF(x)	(x)->th_off
1627#endif
1628#ifndef	TCP_OFF_A
1629# define	TCP_OFF_A(x,y)	(x)->th_off = (y)
1630#endif
1631#define	IPMINLEN(i, h)	((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1632
1633
1634/*
1635 * XXX - This is one of those *awful* hacks which nobody likes
1636 */
1637#ifdef	ultrix
1638#define	A_A
1639#else
1640#define	A_A	&
1641#endif
1642
1643#define	TCPF_ALL	(TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1644			 TH_ECN|TH_CWR)
1645
1646#if (BSD >= 199306) && !defined(m_act)
1647# define	m_act	m_nextpkt
1648#endif
1649
1650/*
1651 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1652 *
1653 * Basic Option
1654 *
1655 * 00000001   -   (Reserved 4)
1656 * 00111101   -   Top Secret
1657 * 01011010   -   Secret
1658 * 10010110   -   Confidential
1659 * 01100110   -   (Reserved 3)
1660 * 11001100   -   (Reserved 2)
1661 * 10101011   -   Unclassified
1662 * 11110001   -   (Reserved 1)
1663 */
1664#define	IPSO_CLASS_RES4		0x01
1665#define	IPSO_CLASS_TOPS		0x3d
1666#define	IPSO_CLASS_SECR		0x5a
1667#define	IPSO_CLASS_CONF		0x96
1668#define	IPSO_CLASS_RES3		0x66
1669#define	IPSO_CLASS_RES2		0xcc
1670#define	IPSO_CLASS_UNCL		0xab
1671#define	IPSO_CLASS_RES1		0xf1
1672
1673#define	IPSO_AUTH_GENSER	0x80
1674#define	IPSO_AUTH_ESI		0x40
1675#define	IPSO_AUTH_SCI		0x20
1676#define	IPSO_AUTH_NSA		0x10
1677#define	IPSO_AUTH_DOE		0x08
1678#define	IPSO_AUTH_UN		0x06
1679#define	IPSO_AUTH_FTE		0x01
1680
1681/*
1682 * IP option #defines
1683 */
1684#undef	IPOPT_RR
1685#define	IPOPT_RR	7
1686#undef	IPOPT_ZSU
1687#define	IPOPT_ZSU	10	/* ZSU */
1688#undef	IPOPT_MTUP
1689#define	IPOPT_MTUP	11	/* MTUP */
1690#undef	IPOPT_MTUR
1691#define	IPOPT_MTUR	12	/* MTUR */
1692#undef	IPOPT_ENCODE
1693#define	IPOPT_ENCODE	15	/* ENCODE */
1694#undef	IPOPT_TS
1695#define	IPOPT_TS	68
1696#undef	IPOPT_TR
1697#define	IPOPT_TR	82	/* TR */
1698#undef	IPOPT_SECURITY
1699#define	IPOPT_SECURITY	130
1700#undef	IPOPT_LSRR
1701#define	IPOPT_LSRR	131
1702#undef	IPOPT_E_SEC
1703#define	IPOPT_E_SEC	133	/* E-SEC */
1704#undef	IPOPT_CIPSO
1705#define	IPOPT_CIPSO	134	/* CIPSO */
1706#undef	IPOPT_SATID
1707#define	IPOPT_SATID	136
1708#ifndef	IPOPT_SID
1709# define	IPOPT_SID	IPOPT_SATID
1710#endif
1711#undef	IPOPT_SSRR
1712#define	IPOPT_SSRR	137
1713#undef	IPOPT_ADDEXT
1714#define	IPOPT_ADDEXT	147	/* ADDEXT */
1715#undef	IPOPT_VISA
1716#define	IPOPT_VISA	142	/* VISA */
1717#undef	IPOPT_IMITD
1718#define	IPOPT_IMITD	144	/* IMITD */
1719#undef	IPOPT_EIP
1720#define	IPOPT_EIP	145	/* EIP */
1721#undef	IPOPT_RTRALRT
1722#define	IPOPT_RTRALRT	148	/* RTRALRT */
1723#undef	IPOPT_SDB
1724#define	IPOPT_SDB	149
1725#undef	IPOPT_NSAPA
1726#define	IPOPT_NSAPA	150
1727#undef	IPOPT_DPS
1728#define	IPOPT_DPS	151
1729#undef	IPOPT_UMP
1730#define	IPOPT_UMP	152
1731#undef	IPOPT_FINN
1732#define	IPOPT_FINN	205	/* FINN */
1733
1734#ifndef TCPOPT_EOL
1735# define TCPOPT_EOL		0
1736#endif
1737#ifndef TCPOPT_NOP
1738# define TCPOPT_NOP		1
1739#endif
1740#ifndef TCPOPT_MAXSEG
1741# define TCPOPT_MAXSEG		2
1742#endif
1743#ifndef TCPOLEN_MAXSEG
1744# define TCPOLEN_MAXSEG		4
1745#endif
1746#ifndef TCPOPT_WINDOW
1747# define TCPOPT_WINDOW		3
1748#endif
1749#ifndef TCPOLEN_WINDOW
1750# define TCPOLEN_WINDOW		3
1751#endif
1752#ifndef TCPOPT_SACK_PERMITTED
1753# define TCPOPT_SACK_PERMITTED	4
1754#endif
1755#ifndef TCPOLEN_SACK_PERMITTED
1756# define TCPOLEN_SACK_PERMITTED	2
1757#endif
1758#ifndef TCPOPT_SACK
1759# define TCPOPT_SACK		5
1760#endif
1761#ifndef TCPOPT_TIMESTAMP
1762# define TCPOPT_TIMESTAMP	8
1763#endif
1764
1765#ifndef	ICMP_MINLEN
1766# define	ICMP_MINLEN	8
1767#endif
1768#ifndef	ICMP_ECHOREPLY
1769# define	ICMP_ECHOREPLY	0
1770#endif
1771#ifndef	ICMP_UNREACH
1772# define	ICMP_UNREACH	3
1773#endif
1774#ifndef	ICMP_UNREACH_NET
1775# define	ICMP_UNREACH_NET	0
1776#endif
1777#ifndef	ICMP_UNREACH_HOST
1778# define	ICMP_UNREACH_HOST	1
1779#endif
1780#ifndef	ICMP_UNREACH_PROTOCOL
1781# define	ICMP_UNREACH_PROTOCOL	2
1782#endif
1783#ifndef	ICMP_UNREACH_PORT
1784# define	ICMP_UNREACH_PORT	3
1785#endif
1786#ifndef	ICMP_UNREACH_NEEDFRAG
1787# define	ICMP_UNREACH_NEEDFRAG	4
1788#endif
1789#ifndef	ICMP_UNREACH_SRCFAIL
1790# define	ICMP_UNREACH_SRCFAIL	5
1791#endif
1792#ifndef	ICMP_UNREACH_NET_UNKNOWN
1793# define	ICMP_UNREACH_NET_UNKNOWN	6
1794#endif
1795#ifndef	ICMP_UNREACH_HOST_UNKNOWN
1796# define	ICMP_UNREACH_HOST_UNKNOWN	7
1797#endif
1798#ifndef	ICMP_UNREACH_ISOLATED
1799# define	ICMP_UNREACH_ISOLATED	8
1800#endif
1801#ifndef	ICMP_UNREACH_NET_PROHIB
1802# define	ICMP_UNREACH_NET_PROHIB	9
1803#endif
1804#ifndef	ICMP_UNREACH_HOST_PROHIB
1805# define	ICMP_UNREACH_HOST_PROHIB	10
1806#endif
1807#ifndef	ICMP_UNREACH_TOSNET
1808# define	ICMP_UNREACH_TOSNET	11
1809#endif
1810#ifndef	ICMP_UNREACH_TOSHOST
1811# define	ICMP_UNREACH_TOSHOST	12
1812#endif
1813#ifndef	ICMP_UNREACH_ADMIN_PROHIBIT
1814# define	ICMP_UNREACH_ADMIN_PROHIBIT	13
1815#endif
1816#ifndef	ICMP_UNREACH_FILTER
1817# define	ICMP_UNREACH_FILTER	13
1818#endif
1819#ifndef	ICMP_UNREACH_HOST_PRECEDENCE
1820# define	ICMP_UNREACH_HOST_PRECEDENCE	14
1821#endif
1822#ifndef	ICMP_UNREACH_PRECEDENCE_CUTOFF
1823# define	ICMP_UNREACH_PRECEDENCE_CUTOFF	15
1824#endif
1825#ifndef	ICMP_SOURCEQUENCH
1826# define	ICMP_SOURCEQUENCH	4
1827#endif
1828#ifndef	ICMP_REDIRECT_NET
1829# define	ICMP_REDIRECT_NET	0
1830#endif
1831#ifndef	ICMP_REDIRECT_HOST
1832# define	ICMP_REDIRECT_HOST	1
1833#endif
1834#ifndef	ICMP_REDIRECT_TOSNET
1835# define	ICMP_REDIRECT_TOSNET	2
1836#endif
1837#ifndef	ICMP_REDIRECT_TOSHOST
1838# define	ICMP_REDIRECT_TOSHOST	3
1839#endif
1840#ifndef	ICMP_ALTHOSTADDR
1841# define	ICMP_ALTHOSTADDR	6
1842#endif
1843#ifndef	ICMP_TIMXCEED
1844# define	ICMP_TIMXCEED	11
1845#endif
1846#ifndef	ICMP_TIMXCEED_INTRANS
1847# define	ICMP_TIMXCEED_INTRANS	0
1848#endif
1849#ifndef	ICMP_TIMXCEED_REASS
1850# define		ICMP_TIMXCEED_REASS	1
1851#endif
1852#ifndef	ICMP_PARAMPROB
1853# define	ICMP_PARAMPROB	12
1854#endif
1855#ifndef	ICMP_PARAMPROB_ERRATPTR
1856# define	ICMP_PARAMPROB_ERRATPTR	0
1857#endif
1858#ifndef	ICMP_PARAMPROB_OPTABSENT
1859# define	ICMP_PARAMPROB_OPTABSENT	1
1860#endif
1861#ifndef	ICMP_PARAMPROB_LENGTH
1862# define	ICMP_PARAMPROB_LENGTH	2
1863#endif
1864#ifndef ICMP_TSTAMP
1865# define	ICMP_TSTAMP	13
1866#endif
1867#ifndef ICMP_TSTAMPREPLY
1868# define	ICMP_TSTAMPREPLY	14
1869#endif
1870#ifndef ICMP_IREQ
1871# define	ICMP_IREQ	15
1872#endif
1873#ifndef ICMP_IREQREPLY
1874# define	ICMP_IREQREPLY	16
1875#endif
1876#ifndef	ICMP_MASKREQ
1877# define	ICMP_MASKREQ	17
1878#endif
1879#ifndef ICMP_MASKREPLY
1880# define	ICMP_MASKREPLY	18
1881#endif
1882#ifndef	ICMP_TRACEROUTE
1883# define	ICMP_TRACEROUTE	30
1884#endif
1885#ifndef	ICMP_DATACONVERR
1886# define	ICMP_DATACONVERR	31
1887#endif
1888#ifndef	ICMP_MOBILE_REDIRECT
1889# define	ICMP_MOBILE_REDIRECT	32
1890#endif
1891#ifndef	ICMP_IPV6_WHEREAREYOU
1892# define	ICMP_IPV6_WHEREAREYOU	33
1893#endif
1894#ifndef	ICMP_IPV6_IAMHERE
1895# define	ICMP_IPV6_IAMHERE	34
1896#endif
1897#ifndef	ICMP_MOBILE_REGREQUEST
1898# define	ICMP_MOBILE_REGREQUEST	35
1899#endif
1900#ifndef	ICMP_MOBILE_REGREPLY
1901# define	ICMP_MOBILE_REGREPLY	36
1902#endif
1903#ifndef	ICMP_SKIP
1904# define	ICMP_SKIP	39
1905#endif
1906#ifndef	ICMP_PHOTURIS
1907# define	ICMP_PHOTURIS	40
1908#endif
1909#ifndef	ICMP_PHOTURIS_UNKNOWN_INDEX
1910# define	ICMP_PHOTURIS_UNKNOWN_INDEX	1
1911#endif
1912#ifndef	ICMP_PHOTURIS_AUTH_FAILED
1913# define	ICMP_PHOTURIS_AUTH_FAILED	2
1914#endif
1915#ifndef	ICMP_PHOTURIS_DECRYPT_FAILED
1916# define	ICMP_PHOTURIS_DECRYPT_FAILED	3
1917#endif
1918#ifndef	IPVERSION
1919# define	IPVERSION	4
1920#endif
1921#ifndef	IPOPT_MINOFF
1922# define	IPOPT_MINOFF	4
1923#endif
1924#ifndef	IPOPT_COPIED
1925# define	IPOPT_COPIED(x)	((x)&0x80)
1926#endif
1927#ifndef	IPOPT_EOL
1928# define	IPOPT_EOL	0
1929#endif
1930#ifndef	IPOPT_NOP
1931# define	IPOPT_NOP	1
1932#endif
1933#ifndef	IP_MF
1934# define	IP_MF	((u_short)0x2000)
1935#endif
1936#ifndef	ETHERTYPE_IP
1937# define	ETHERTYPE_IP	((u_short)0x0800)
1938#endif
1939#ifndef	TH_FIN
1940# define	TH_FIN	0x01
1941#endif
1942#ifndef	TH_SYN
1943# define	TH_SYN	0x02
1944#endif
1945#ifndef	TH_RST
1946# define	TH_RST	0x04
1947#endif
1948#ifndef	TH_PUSH
1949# define	TH_PUSH	0x08
1950#endif
1951#ifndef	TH_ACK
1952# define	TH_ACK	0x10
1953#endif
1954#ifndef	TH_URG
1955# define	TH_URG	0x20
1956#endif
1957#undef	TH_ACKMASK
1958#define	TH_ACKMASK	(TH_FIN|TH_SYN|TH_RST|TH_ACK)
1959
1960#ifndef	IPOPT_EOL
1961# define	IPOPT_EOL	0
1962#endif
1963#ifndef	IPOPT_NOP
1964# define	IPOPT_NOP	1
1965#endif
1966#ifndef	IPOPT_RR
1967# define	IPOPT_RR	7
1968#endif
1969#ifndef	IPOPT_TS
1970# define	IPOPT_TS	68
1971#endif
1972#ifndef	IPOPT_SECURITY
1973# define	IPOPT_SECURITY	130
1974#endif
1975#ifndef	IPOPT_LSRR
1976# define	IPOPT_LSRR	131
1977#endif
1978#ifndef	IPOPT_SATID
1979# define	IPOPT_SATID	136
1980#endif
1981#ifndef	IPOPT_SSRR
1982# define	IPOPT_SSRR	137
1983#endif
1984#ifndef	IPOPT_SECUR_UNCLASS
1985# define	IPOPT_SECUR_UNCLASS	((u_short)0x0000)
1986#endif
1987#ifndef	IPOPT_SECUR_CONFID
1988# define	IPOPT_SECUR_CONFID	((u_short)0xf135)
1989#endif
1990#ifndef	IPOPT_SECUR_EFTO
1991# define	IPOPT_SECUR_EFTO	((u_short)0x789a)
1992#endif
1993#ifndef	IPOPT_SECUR_MMMM
1994# define	IPOPT_SECUR_MMMM	((u_short)0xbc4d)
1995#endif
1996#ifndef	IPOPT_SECUR_RESTR
1997# define	IPOPT_SECUR_RESTR	((u_short)0xaf13)
1998#endif
1999#ifndef	IPOPT_SECUR_SECRET
2000# define	IPOPT_SECUR_SECRET	((u_short)0xd788)
2001#endif
2002#ifndef IPOPT_SECUR_TOPSECRET
2003# define	IPOPT_SECUR_TOPSECRET	((u_short)0x6bc5)
2004#endif
2005#ifndef IPOPT_OLEN
2006# define	IPOPT_OLEN	1
2007#endif
2008#ifndef	IPPROTO_HOPOPTS
2009# define	IPPROTO_HOPOPTS	0
2010#endif
2011#ifndef	IPPROTO_ENCAP
2012# define	IPPROTO_ENCAP	4
2013#endif
2014#ifndef	IPPROTO_IPV6
2015# define	IPPROTO_IPV6	41
2016#endif
2017#ifndef	IPPROTO_ROUTING
2018# define	IPPROTO_ROUTING	43
2019#endif
2020#ifndef	IPPROTO_FRAGMENT
2021# define	IPPROTO_FRAGMENT	44
2022#endif
2023#ifndef	IPPROTO_GRE
2024# define	IPPROTO_GRE	47	/* GRE encaps RFC 1701 */
2025#endif
2026#ifndef	IPPROTO_ESP
2027# define	IPPROTO_ESP	50
2028#endif
2029#ifndef	IPPROTO_AH
2030# define	IPPROTO_AH	51
2031#endif
2032#ifndef	IPPROTO_ICMPV6
2033# define	IPPROTO_ICMPV6	58
2034#endif
2035#ifndef	IPPROTO_NONE
2036# define	IPPROTO_NONE	59
2037#endif
2038#ifndef	IPPROTO_DSTOPTS
2039# define	IPPROTO_DSTOPTS	60
2040#endif
2041#ifndef	IPPROTO_FRAGMENT
2042# define	IPPROTO_FRAGMENT	44
2043#endif
2044#ifndef	ICMP_ROUTERADVERT
2045# define	ICMP_ROUTERADVERT	9
2046#endif
2047#ifndef	ICMP_ROUTERSOLICIT
2048# define	ICMP_ROUTERSOLICIT	10
2049#endif
2050#ifndef	ICMP6_DST_UNREACH
2051# define	ICMP6_DST_UNREACH	1
2052#endif
2053#ifndef	ICMP6_PACKET_TOO_BIG
2054# define	ICMP6_PACKET_TOO_BIG	2
2055#endif
2056#ifndef	ICMP6_TIME_EXCEEDED
2057# define	ICMP6_TIME_EXCEEDED	3
2058#endif
2059#ifndef	ICMP6_PARAM_PROB
2060# define	ICMP6_PARAM_PROB	4
2061#endif
2062
2063#ifndef	ICMP6_ECHO_REQUEST
2064# define	ICMP6_ECHO_REQUEST	128
2065#endif
2066#ifndef	ICMP6_ECHO_REPLY
2067# define	ICMP6_ECHO_REPLY	129
2068#endif
2069#ifndef	ICMP6_MEMBERSHIP_QUERY
2070# define	ICMP6_MEMBERSHIP_QUERY	130
2071#endif
2072#ifndef	MLD6_LISTENER_QUERY
2073# define	MLD6_LISTENER_QUERY	130
2074#endif
2075#ifndef	ICMP6_MEMBERSHIP_REPORT
2076# define	ICMP6_MEMBERSHIP_REPORT	131
2077#endif
2078#ifndef	MLD6_LISTENER_REPORT
2079# define	MLD6_LISTENER_REPORT	131
2080#endif
2081#ifndef	ICMP6_MEMBERSHIP_REDUCTION
2082# define	ICMP6_MEMBERSHIP_REDUCTION	132
2083#endif
2084#ifndef	MLD6_LISTENER_DONE
2085# define	MLD6_LISTENER_DONE	132
2086#endif
2087#ifndef	ND_ROUTER_SOLICIT
2088# define	ND_ROUTER_SOLICIT	133
2089#endif
2090#ifndef	ND_ROUTER_ADVERT
2091# define	ND_ROUTER_ADVERT	134
2092#endif
2093#ifndef	ND_NEIGHBOR_SOLICIT
2094# define	ND_NEIGHBOR_SOLICIT	135
2095#endif
2096#ifndef	ND_NEIGHBOR_ADVERT
2097# define	ND_NEIGHBOR_ADVERT	136
2098#endif
2099#ifndef	ND_REDIRECT
2100# define	ND_REDIRECT	137
2101#endif
2102#ifndef	ICMP6_ROUTER_RENUMBERING
2103# define	ICMP6_ROUTER_RENUMBERING	138
2104#endif
2105#ifndef	ICMP6_WRUREQUEST
2106# define	ICMP6_WRUREQUEST	139
2107#endif
2108#ifndef	ICMP6_WRUREPLY
2109# define	ICMP6_WRUREPLY		140
2110#endif
2111#ifndef	ICMP6_FQDN_QUERY
2112# define	ICMP6_FQDN_QUERY	139
2113#endif
2114#ifndef	ICMP6_FQDN_REPLY
2115# define	ICMP6_FQDN_REPLY	140
2116#endif
2117#ifndef	ICMP6_NI_QUERY
2118# define	ICMP6_NI_QUERY		139
2119#endif
2120#ifndef	ICMP6_NI_REPLY
2121# define	ICMP6_NI_REPLY		140
2122#endif
2123#ifndef	MLD6_MTRACE_RESP
2124# define	MLD6_MTRACE_RESP	200
2125#endif
2126#ifndef	MLD6_MTRACE
2127# define	MLD6_MTRACE		201
2128#endif
2129#ifndef	ICMP6_HADISCOV_REQUEST
2130# define	ICMP6_HADISCOV_REQUEST	202
2131#endif
2132#ifndef	ICMP6_HADISCOV_REPLY
2133# define	ICMP6_HADISCOV_REPLY	203
2134#endif
2135#ifndef	ICMP6_MOBILEPREFIX_SOLICIT
2136# define	ICMP6_MOBILEPREFIX_SOLICIT	204
2137#endif
2138#ifndef	ICMP6_MOBILEPREFIX_ADVERT
2139# define	ICMP6_MOBILEPREFIX_ADVERT	205
2140#endif
2141#ifndef	ICMP6_MAXTYPE
2142# define	ICMP6_MAXTYPE		205
2143#endif
2144
2145#ifndef	ICMP6_DST_UNREACH_NOROUTE
2146# define	ICMP6_DST_UNREACH_NOROUTE	0
2147#endif
2148#ifndef	ICMP6_DST_UNREACH_ADMIN
2149# define	ICMP6_DST_UNREACH_ADMIN		1
2150#endif
2151#ifndef	ICMP6_DST_UNREACH_NOTNEIGHBOR
2152# define	ICMP6_DST_UNREACH_NOTNEIGHBOR	2
2153#endif
2154#ifndef	ICMP6_DST_UNREACH_BEYONDSCOPE
2155# define	ICMP6_DST_UNREACH_BEYONDSCOPE	2
2156#endif
2157#ifndef	ICMP6_DST_UNREACH_ADDR
2158# define	ICMP6_DST_UNREACH_ADDR		3
2159#endif
2160#ifndef	ICMP6_DST_UNREACH_NOPORT
2161# define	ICMP6_DST_UNREACH_NOPORT	4
2162#endif
2163#ifndef	ICMP6_TIME_EXCEED_TRANSIT
2164# define	ICMP6_TIME_EXCEED_TRANSIT	0
2165#endif
2166#ifndef	ICMP6_TIME_EXCEED_REASSEMBLY
2167# define	ICMP6_TIME_EXCEED_REASSEMBLY	1
2168#endif
2169
2170#ifndef	ICMP6_NI_SUCCESS
2171# define	ICMP6_NI_SUCCESS	0
2172#endif
2173#ifndef	ICMP6_NI_REFUSED
2174# define	ICMP6_NI_REFUSED	1
2175#endif
2176#ifndef	ICMP6_NI_UNKNOWN
2177# define	ICMP6_NI_UNKNOWN	2
2178#endif
2179
2180#ifndef	ICMP6_ROUTER_RENUMBERING_COMMAND
2181# define	ICMP6_ROUTER_RENUMBERING_COMMAND	0
2182#endif
2183#ifndef	ICMP6_ROUTER_RENUMBERING_RESULT
2184# define	ICMP6_ROUTER_RENUMBERING_RESULT	1
2185#endif
2186#ifndef	ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2187# define	ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET	255
2188#endif
2189
2190#ifndef	ICMP6_PARAMPROB_HEADER
2191# define	ICMP6_PARAMPROB_HEADER	0
2192#endif
2193#ifndef	ICMP6_PARAMPROB_NEXTHEADER
2194# define	ICMP6_PARAMPROB_NEXTHEADER	1
2195#endif
2196#ifndef	ICMP6_PARAMPROB_OPTION
2197# define	ICMP6_PARAMPROB_OPTION	2
2198#endif
2199
2200#ifndef	ICMP6_NI_SUBJ_IPV6
2201# define	ICMP6_NI_SUBJ_IPV6	0
2202#endif
2203#ifndef	ICMP6_NI_SUBJ_FQDN
2204# define	ICMP6_NI_SUBJ_FQDN	1
2205#endif
2206#ifndef	ICMP6_NI_SUBJ_IPV4
2207# define	ICMP6_NI_SUBJ_IPV4	2
2208#endif
2209
2210/*
2211 * ECN is a new addition to TCP - RFC 2481
2212 */
2213#ifndef TH_ECN
2214# define	TH_ECN	0x40
2215#endif
2216#ifndef TH_CWR
2217# define	TH_CWR	0x80
2218#endif
2219#define	TH_ECNALL	(TH_ECN|TH_CWR)
2220
2221/*
2222 * TCP States
2223 */
2224#define IPF_TCPS_CLOSED		0	/* closed */
2225#define IPF_TCPS_LISTEN		1	/* listening for connection */
2226#define IPF_TCPS_SYN_SENT	2	/* active, have sent syn */
2227#define IPF_TCPS_SYN_RECEIVED	3	/* have send and received syn */
2228#define IPF_TCPS_HALF_ESTAB	4	/* for connections not fully "up" */
2229/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2230#define IPF_TCPS_ESTABLISHED	5	/* established */
2231#define IPF_TCPS_CLOSE_WAIT	6	/* rcvd fin, waiting for close */
2232/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2233#define IPF_TCPS_FIN_WAIT_1	7	/* have closed, sent fin */
2234#define IPF_TCPS_CLOSING	8	/* closed xchd FIN; await FIN ACK */
2235#define IPF_TCPS_LAST_ACK	9	/* had fin and close; await FIN ACK */
2236/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2237#define IPF_TCPS_FIN_WAIT_2	10	/* have closed, fin is acked */
2238#define IPF_TCPS_TIME_WAIT	11	/* in 2*msl quiet wait after close */
2239#define IPF_TCP_NSTATES		12
2240
2241#define	TCP_MSL			120
2242
2243#undef	ICMP_MAX_UNREACH
2244#define	ICMP_MAX_UNREACH	14
2245#undef	ICMP_MAXTYPE
2246#define	ICMP_MAXTYPE		18
2247
2248#ifndef	IFNAMSIZ
2249#define	IFNAMSIZ		16
2250#endif
2251
2252#ifndef	LOG_FTP
2253# define	LOG_FTP		(11<<3)
2254#endif
2255#ifndef	LOG_AUTHPRIV
2256# define	LOG_AUTHPRIV	(10<<3)
2257#endif
2258#ifndef	LOG_AUDIT
2259# define	LOG_AUDIT	(13<<3)
2260#endif
2261#ifndef	LOG_NTP
2262# define	LOG_NTP		(12<<3)
2263#endif
2264#ifndef	LOG_SECURITY
2265# define	LOG_SECURITY	(13<<3)
2266#endif
2267#ifndef	LOG_LFMT
2268# define	LOG_LFMT	(14<<3)
2269#endif
2270#ifndef	LOG_CONSOLE
2271# define	LOG_CONSOLE	(14<<3)
2272#endif
2273
2274/*
2275 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2276 * another IP header and then 64 bits of data, totalling 56.  Of course,
2277 * the last 64 bits is dependant on that being available.
2278 */
2279#define	ICMPERR_ICMPHLEN	8
2280#define	ICMPERR_IPICMPHLEN	(20 + 8)
2281#define	ICMPERR_MINPKTLEN	(20 + 8 + 20)
2282#define	ICMPERR_MAXPKTLEN	(20 + 8 + 20 + 8)
2283#define ICMP6ERR_MINPKTLEN	(40 + 8)
2284#define ICMP6ERR_IPICMPHLEN	(40 + 8 + 40)
2285
2286#ifndef MIN
2287# define	MIN(a,b)	(((a)<(b))?(a):(b))
2288#endif
2289
2290#ifdef IPF_DEBUG
2291# define	DPRINT(x)	printf x
2292#else
2293# define	DPRINT(x)
2294#endif
2295
2296#endif	/* __IP_COMPAT_H__ */
2297