xref: /illumos-gate/usr/src/uts/common/inet/ipf/netinet/ip_compat.h (revision c793af95640863cd29868fc7c419c5d2496b207b)
1 /*
2  * Copyright (C) 1993-2001, 2003 by Darren Reed.
3  *
4  * See the IPFILTER.LICENCE file for details on licencing.
5  *
6  * @(#)ip_compat.h	1.8 1/14/96
7  * $Id: ip_compat.h,v 2.142.2.30 2005/08/11 15:13:49 darrenr Exp $
8  *
9  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
10  * Use is subject to license terms.
11  */
12 
13 #pragma ident	"%Z%%M%	%I%	%E% SMI"
14 
15 #ifndef	__IP_COMPAT_H__
16 #define	__IP_COMPAT_H__
17 
18 #ifndef	__P
19 # ifdef	__STDC__
20 #  define	__P(x)  x
21 # else
22 #  define	__P(x)  ()
23 # endif
24 #endif
25 #ifndef	__STDC__
26 # undef		const
27 # define	const
28 #endif
29 
30 #if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
31 # undef	KERNEL
32 # undef	_KERNEL
33 # undef 	__KERNEL__
34 # define	KERNEL
35 # define	_KERNEL
36 # define 	__KERNEL__
37 #endif
38 
39 #ifndef	SOLARIS
40 #define	SOLARIS	(defined(sun) && (defined(__svr4__) || defined(__SVR4)))
41 #endif
42 #if SOLARIS2 >= 8
43 # ifndef	USE_INET6
44 #  define	USE_INET6
45 # endif
46 #endif
47 #if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
48     !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
49 # define	USE_INET6
50 #endif
51 #if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
52     !defined(_KERNEL) && !defined(USE_INET6)
53 # define	USE_INET6
54 # define	IPFILTER_M_IPFILTER
55 #endif
56 #if defined(OpenBSD) && (OpenBSD >= 200206) && \
57     !defined(_KERNEL) && !defined(USE_INET6)
58 # define	USE_INET6
59 #endif
60 #if defined(__osf__)
61 # define	USE_INET6
62 #endif
63 #if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
64 # define	USE_INET6
65 #endif
66 #if defined(HPUXREV) && (HPUXREV >= 1111)
67 # define	USE_INET6
68 #endif
69 
70 #if defined(BSD) && (BSD < 199103) && defined(__osf__)
71 # undef BSD
72 # define BSD 199103
73 #endif
74 
75 #if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
76 # define index   strchr
77 # if !defined(_KERNEL)
78 #  define	bzero(a,b)	memset(a,0,b)
79 #  define	bcmp		memcmp
80 #  define	bcopy(a,b,c)	memmove(b,a,c)
81 # endif
82 #endif
83 
84 #ifndef LIFNAMSIZ
85 # ifdef IF_NAMESIZE
86 #  define	LIFNAMSIZ	IF_NAMESIZE
87 # else
88 #  ifdef	IFNAMSIZ
89 #   define	LIFNAMSIZ	IFNAMSIZ
90 #  else
91 #   define	LIFNAMSIZ	16
92 #  endif
93 # endif
94 #endif
95 
96 #if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
97 struct  ether_addr {
98         u_char  ether_addr_octet[6];
99 };
100 #endif
101 
102 #if defined(__sgi) && !defined(IPFILTER_LKM)
103 # ifdef __STDC__
104 #  define IPL_EXTERN(ep) ipfilter##ep
105 # else
106 #  define IPL_EXTERN(ep) ipfilter/**/ep
107 # endif
108 #else
109 # ifdef __STDC__
110 #  define IPL_EXTERN(ep) ipl##ep
111 # else
112 #  define IPL_EXTERN(ep) ipl/**/ep
113 # endif
114 #endif
115 
116 /*
117  * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
118  */
119 #ifndef linux
120 # ifndef _KERNEL
121 #  define ADD_KERNEL
122 #  define _KERNEL
123 #  define KERNEL
124 # endif
125 # ifdef __OpenBSD__
126 struct file;
127 # endif
128 # include <sys/uio.h>
129 # ifdef ADD_KERNEL
130 #  undef _KERNEL
131 #  undef KERNEL
132 # endif
133 #endif
134 
135 
136 /* ----------------------------------------------------------------------- */
137 /*                                  S O L A R I S                          */
138 /* ----------------------------------------------------------------------- */
139 #if SOLARIS
140 # define	MENTAT	1
141 # include	<sys/cmn_err.h>
142 # include	<sys/isa_defs.h>
143 # include	<sys/stream.h>
144 # include	<sys/ioccom.h>
145 # include	<sys/sysmacros.h>
146 # include	<sys/kmem.h>
147 # if SOLARIS2 >= 10
148 #  include	<sys/procset.h>
149 #  include	<sys/proc.h>
150 #  include	<sys/devops.h>
151 #  include	<sys/ddi_impldefs.h>
152 # endif
153 
154 /*
155  * inet/ip.h would end up including radix.h with _KERNEL, which is not
156  * what the tools intend, so include radix.h first.
157  */
158 #if SOLARIS2 > 10
159 # include <net/radix.h>
160 #endif
161 /*
162  * because Solaris 2 defines these in two places :-/
163  */
164 # ifndef	KERNEL
165 #  define	_KERNEL
166 #  undef	RES_INIT
167 # endif /* _KERNEL */
168 
169 # if SOLARIS2 >= 8
170 #  include <netinet/ip6.h>
171 #  include <netinet/icmp6.h>
172 # endif
173 
174 # include <inet/common.h>
175 /* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
176 # undef	IPOPT_EOL
177 # undef	IPOPT_NOP
178 # undef	IPOPT_LSRR
179 # undef	IPOPT_RR
180 # undef	IPOPT_SSRR
181 # ifdef i386
182 #  define _SYS_PROMIF_H
183 # endif
184 # include <inet/ip.h>
185 # undef COPYOUT
186 # include <inet/ip_ire.h>
187 # ifndef	KERNEL
188 #  undef	_KERNEL
189 # endif
190 # if SOLARIS2 >= 8
191 #  define SNPRINTF	snprintf
192 
193 #  include <inet/ip_if.h>
194 #  define	ipif_local_addr	ipif_lcl_addr
195 /* Only defined in private include file */
196 #  ifndef	V4_PART_OF_V6
197 #   define	V4_PART_OF_V6(v6)	v6.s6_addr32[3]
198 #  endif
199 struct ip6_ext {
200 	u_char	ip6e_nxt;
201 	u_char	ip6e_len;
202 };
203 # endif /* SOLARIS2 >= 8 */
204 
205 # if SOLARIS2 >= 6
206 #  include <sys/atomic.h>
207 typedef	uint32_t	u_32_t;
208 # else
209 typedef unsigned int	u_32_t;
210 # endif
211 # define	U_32_T	1
212 
213 # ifdef _KERNEL
214 #  define	KRWLOCK_T		krwlock_t
215 #  define	KMUTEX_T		kmutex_t
216 #  include "qif.h"
217 #  include "pfil.h"
218 #  if SOLARIS2 >= 6
219 #   if SOLARIS2 == 6
220 #    define	ATOMIC_INCL(x)		atomic_add_long((uint32_t*)&(x), 1)
221 #    define	ATOMIC_DECL(x)		atomic_add_long((uint32_t*)&(x), -1)
222 #   else
223 #    define	ATOMIC_INCL(x)		atomic_add_long(&(x), 1)
224 #    define	ATOMIC_DECL(x)		atomic_add_long(&(x), -1)
225 #   endif /* SOLARIS2 == 6 */
226 #   define	ATOMIC_INC64(x)		atomic_add_64((uint64_t*)&(x), 1)
227 #   define	ATOMIC_INC32(x)		atomic_add_32((uint32_t*)&(x), 1)
228 #   define	ATOMIC_INC16(x)		atomic_add_16((uint16_t*)&(x), 1)
229 #   define	ATOMIC_DEC64(x)		atomic_add_64((uint64_t*)&(x), -1)
230 #   define	ATOMIC_DEC32(x)		atomic_add_32((uint32_t*)&(x), -1)
231 #   define	ATOMIC_DEC16(x)		atomic_add_16((uint16_t*)&(x), -1)
232 #  else
233 #   define	ATOMIC_INC(x)		{ mutex_enter(&ipf_rw); (x)++; \
234 					  mutex_exit(&ipf_rw); }
235 #   define	ATOMIC_DEC(x)		{ mutex_enter(&ipf_rw); (x)--; \
236 					  mutex_exit(&ipf_rw); }
237 #  endif /* SOLARIS2 >= 6 */
238 #  define	USE_MUTEXES
239 #  define	MUTEX_ENTER(x)		mutex_enter(&(x)->ipf_lk)
240 #  define	READ_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_READER)
241 #  define	WRITE_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_WRITER)
242 #  define	MUTEX_DOWNGRADE(x)	rw_downgrade(&(x)->ipf_lk)
243 #  define	RWLOCK_INIT(x, y)	rw_init(&(x)->ipf_lk, (y),  \
244 						RW_DRIVER, NULL)
245 #  define	RWLOCK_EXIT(x)		rw_exit(&(x)->ipf_lk)
246 #  define	RW_DESTROY(x)		rw_destroy(&(x)->ipf_lk)
247 #  define	MUTEX_INIT(x, y)	mutex_init(&(x)->ipf_lk, (y), \
248 						   MUTEX_DRIVER, NULL)
249 #  define	MUTEX_DESTROY(x)	mutex_destroy(&(x)->ipf_lk)
250 #  define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
251 #  define	MUTEX_EXIT(x)		mutex_exit(&(x)->ipf_lk)
252 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
253 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
254 #  define	BCOPYIN(a,b,c)	(void) copyin((caddr_t)(a), (caddr_t)(b), (c))
255 #  define	BCOPYOUT(a,b,c)	(void) copyout((caddr_t)(a), (caddr_t)(b), (c))
256 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
257 #  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
258 #  define	KFREES(x,s)	kmem_free((char *)(x), (s))
259 #  define	SPL_NET(x)	;
260 #  define	SPL_IMP(x)	;
261 #  undef	SPL_X
262 #  define	SPL_X(x)	;
263 #  ifdef sparc
264 #   define	ntohs(x)	(x)
265 #   define	ntohl(x)	(x)
266 #   define	htons(x)	(x)
267 #   define	htonl(x)	(x)
268 #  endif /* sparc */
269 #  define	KMALLOC(a,b)	(a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
270 #  define	KMALLOCS(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
271 #  define	GET_MINOR(x)	getminor(x)
272 extern	void	*get_unit __P((char *, int));
273 #  define	GETIFP(n, v)	get_unit(n, v)
274 #  define	IFNAME(x)	((qif_t *)x)->qf_name
275 #  define	COPYIFNAME(x, b) \
276 				(void) strncpy(b, ((qif_t *)x)->qf_name, \
277 					       LIFNAMSIZ)
278 #ifdef	IRE_ILL_CN
279 extern kmutex_t s_ill_g_head_lock;
280 extern struct s_ill_s *s_ill_g_head;	/* ILL List Head */
281 #endif /* IRE_ILL_CN */
282 #  define	GETKTIME(x)	uniqtime((struct timeval *)x)
283 #  define	MSGDSIZE(x)	msgdsize(x)
284 #  define	M_LEN(x)	((x)->b_wptr - (x)->b_rptr)
285 #  define	M_DUPLICATE(x)	dupmsg((x))
286 #  define	MTOD(m,t)	((t)((m)->b_rptr))
287 #  define	MTYPE(m)	((m)->b_datap->db_type)
288 #  define	FREE_MB_T(m)	freemsg(m)
289 #  define	m_next		b_cont
290 #  define	CACHE_HASH(x)	(((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
291 #  define	IPF_PANIC(x,y)	if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
292 typedef mblk_t mb_t;
293 # endif /* _KERNEL */
294 
295 # if (SOLARIS2 >= 7)
296 #  ifdef lint
297 #   define ALIGN32(ptr)    (ptr ? 0L : 0L)
298 #   define ALIGN16(ptr)    (ptr ? 0L : 0L)
299 #  else
300 #   define ALIGN32(ptr)    (ptr)
301 #   define ALIGN16(ptr)    (ptr)
302 #  endif
303 # endif
304 
305 # if SOLARIS2 < 6
306 typedef	struct uio	uio_t;
307 # endif
308 typedef	int		ioctlcmd_t;
309 
310 # define OS_RECOGNISED 1
311 
312 #endif /* SOLARIS */
313 
314 /* ----------------------------------------------------------------------- */
315 /*                                  H P U X                                */
316 /* ----------------------------------------------------------------------- */
317 #ifdef __hpux
318 # define	MENTAT	1
319 # include	<sys/sysmacros.h>
320 # include	<sys/spinlock.h>
321 # include	<sys/lock.h>
322 # include	<sys/stream.h>
323 # ifdef USE_INET6
324 #  include	<netinet/if_ether.h>
325 #  include	<netinet/ip6.h>
326 #  include	<netinet/icmp6.h>
327 typedef	struct	ip6_hdr	ip6_t;
328 # endif
329 
330 # ifdef _KERNEL
331 #  define SNPRINTF	sprintf
332 #  if (HPUXREV >= 1111)
333 #   define	IPL_SELECT
334 #   ifdef	IPL_SELECT
335 #    include	<machine/sys/user.h>
336 #    include	<sys/kthread_iface.h>
337 #    define	READ_COLLISION	0x01
338 
339 typedef	struct	iplog_select_s {
340 	kthread_t	*read_waiter;
341 	int		state;
342 } iplog_select_t;
343 #   endif
344 #  endif
345 
346 #  define	GETKTIME(x)	uniqtime((struct timeval *)x)
347 
348 #  if HPUXREV == 1111
349 #   include	"kern_svcs.h"
350 #  else
351 #   include	<sys/kern_svcs.h>
352 #  endif
353 #  undef	ti_flags
354 #  undef	TCP_NODELAY
355 #  undef	TCP_MAXSEG
356 #  include <sys/reg.h>
357 #  include "../netinet/ip_info.h"
358 /*
359  * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
360  * are available.  Attempting to use them actually results in unresolved
361  * symbols when it comes time to load the module.
362  * This has been fixed!  Yipee!
363  */
364 #  if 1
365 #   ifdef __LP64__
366 #    define	ATOMIC_INCL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
367 #    define	ATOMIC_DECL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
368 #   else
369 #    define	ATOMIC_INCL(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
370 #    define	ATOMIC_DECL(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
371 #   endif
372 #   define	ATOMIC_INC64(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
373 #   define	ATOMIC_INC32(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
374 #   define	ATOMIC_INC16(x)		lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
375 #   define	ATOMIC_DEC64(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
376 #   define	ATOMIC_DEC32(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
377 #   define	ATOMIC_DEC16(x)		lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
378 #  else /* 0 */
379 #   define	ATOMIC_INC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
380 					  MUTEX_EXIT(&ipf_rw); }
381 #   define	ATOMIC_DEC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
382 					  MUTEX_EXIT(&ipf_rw); }
383 #   define	ATOMIC_INC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
384 					  MUTEX_EXIT(&ipf_rw); }
385 #   define	ATOMIC_DEC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
386 					  MUTEX_EXIT(&ipf_rw); }
387 #   define	ATOMIC_INCL(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
388 					  MUTEX_EXIT(&ipf_rw); }
389 #   define	ATOMIC_DECL(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
390 					  MUTEX_EXIT(&ipf_rw); }
391 #   define	ATOMIC_INC(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
392 					  MUTEX_EXIT(&ipf_rw); }
393 #   define	ATOMIC_DEC(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
394 					  MUTEX_EXIT(&ipf_rw); }
395 #  endif
396 #  define	ip_cksum		ip_csuma
397 #  define	memcpy(a,b,c)		bcopy((caddr_t)b, (caddr_t)a, c)
398 #  define	USE_MUTEXES
399 #  define	MUTEX_INIT(x, y)	initlock(&(x)->ipf_lk, 0, 0, (y))
400 #  define	MUTEX_ENTER(x)		spinlock(&(x)->ipf_lk)
401 #  define	MUTEX_EXIT(x)		spinunlock(&(x)->ipf_lk);
402 #  define	MUTEX_DESTROY(x)
403 #  define	MUTEX_NUKE(x)		bzero((char *)(x), sizeof(*(x)))
404 #  define	KMUTEX_T		lock_t
405 #  define	kmutex_t		lock_t		/* for pfil.h */
406 #  define	krwlock_t		lock_t		/* for pfil.h */
407 /*
408  * The read-write lock implementation in HP-UX 11.0 is crippled - it can
409  * only be used by threads working in a user context!
410  * This has been fixed!  Yipee! (Or at least it does in 11.00, not 11.11..)
411  */
412 #  if HPUXREV < 1111
413 #   define	MUTEX_DOWNGRADE(x)	lock_write_to_read(x)
414 #   define	KRWLOCK_T		struct rw_lock
415 #   define	READ_ENTER(x)		lock_read(&(x)->ipf_lk)
416 #   define	WRITE_ENTER(x)		lock_write(&(x)->ipf_lk)
417 #   if HPUXREV >= 1111
418 #    define	RWLOCK_INIT(x, y)	rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
419 #   else
420 #    define	RWLOCK_INIT(x, y)	lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
421 #   endif
422 #   define	RWLOCK_EXIT(x)		lock_done(&(x)->ipf_lk)
423 #  else
424 #   define	KRWLOCK_T		lock_t
425 #   define	KMUTEX_T		lock_t
426 #   define	READ_ENTER(x)		MUTEX_ENTER(x)
427 #   define	WRITE_ENTER(x)		MUTEX_ENTER(x)
428 #   define	MUTEX_DOWNGRADE(x)
429 #   define	RWLOCK_INIT(x, y)	initlock(&(x)->ipf_lk, 0, 0, y)
430 #   define	RWLOCK_EXIT(x)		MUTEX_EXIT(x)
431 #  endif
432 #  define	RW_DESTROY(x)
433 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
434 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
435 #  if HPUXREV >= 1111
436 #   define	BCOPYIN(a,b,c)	0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
437 #   define	BCOPYOUT(a,b,c)	0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
438 #  else
439 #   define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
440 #   define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
441 #  endif
442 #  define	SPL_NET(x)	;
443 #  define	SPL_IMP(x)	;
444 #  undef	SPL_X
445 #  define	SPL_X(x)	;
446 extern	void	*get_unit __P((char *, int));
447 #  define	GETIFP(n, v)	get_unit(n, v)
448 #  define	IFNAME(x, b)	((ill_t *)x)->ill_name
449 #  define	COPYIFNAME(x, b) \
450 				(void) strncpy(b, ((qif_t *)x)->qf_name, \
451 					       LIFNAMSIZ)
452 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
453 #  define	SLEEP(id, n)	{ lock_t *_l = get_sleep_lock((caddr_t)id); \
454 				  sleep(id, PZERO+1); \
455 				  spinunlock(_l); \
456 				}
457 #  define	WAKEUP(id,x)	{ lock_t *_l = get_sleep_lock((caddr_t)id); \
458 				  wakeup(id + x); \
459 				  spinunlock(_l); \
460 				}
461 #  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
462 #  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
463 #  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
464 #  define	KFREES(x,s)	kmem_free((char *)(x), (s))
465 #  define	MSGDSIZE(x)	msgdsize(x)
466 #  define	M_LEN(x)	((x)->b_wptr - (x)->b_rptr)
467 #  define	M_DUPLICATE(x)	dupmsg((x))
468 #  define	MTOD(m,t)	((t)((m)->b_rptr))
469 #  define	MTYPE(m)	((m)->b_datap->db_type)
470 #  define	FREE_MB_T(m)	freemsg(m)
471 #  define	m_next		b_cont
472 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
473 typedef mblk_t mb_t;
474 
475 #  define	CACHE_HASH(x)	(((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
476 
477 #  include "qif.h"
478 #  include "pfil.h"
479 
480 # else /* _KERNEL */
481 
482 typedef	unsigned char uchar_t;
483 
484 #  ifndef	_SYS_STREAM_INCLUDED
485 typedef char * mblk_t;
486 typedef void * queue_t;
487 typedef	u_long ulong;
488 #  endif
489 #  include <netinet/ip_info.h>
490 
491 # endif /* _KERNEL */
492 
493 # ifdef lint
494 #  define ALIGN32(ptr)    (ptr ? 0L : 0L)
495 #  define ALIGN16(ptr)    (ptr ? 0L : 0L)
496 # else
497 #  define ALIGN32(ptr)    (ptr)
498 #  define ALIGN16(ptr)    (ptr)
499 # endif
500 
501 typedef	struct uio	uio_t;
502 typedef	int		ioctlcmd_t;
503 typedef	int		minor_t;
504 typedef unsigned int	u_32_t;
505 # define	U_32_T	1
506 
507 # define OS_RECOGNISED 1
508 
509 #endif /* __hpux */
510 
511 /* ----------------------------------------------------------------------- */
512 /*                                  I R I X                                */
513 /* ----------------------------------------------------------------------- */
514 #ifdef __sgi
515 # undef		MENTAT
516 # if IRIX < 60500
517 typedef	struct uio	uio_t;
518 # endif
519 typedef	int		ioctlcmd_t;
520 typedef u_int32_t       u_32_t;
521 # define	U_32_T	1
522 
523 # ifdef INET6
524 #  define USE_INET6
525 # endif
526 
527 # define  hz HZ
528 # include <sys/ksynch.h>
529 # define	IPF_LOCK_PL	plhi
530 # include <sys/sema.h>
531 # undef kmutex_t
532 typedef struct {
533 	lock_t *l;
534 	int pl;
535 } kmutex_t;
536 
537 # ifdef MUTEX_INIT
538 #  define	KMUTEX_T		mutex_t
539 # else
540 #  define	KMUTEX_T		kmutex_t
541 #  define	KRWLOCK_T		kmutex_t
542 # endif
543 
544 # ifdef _KERNEL
545 #  define	ATOMIC_INC(x)		{ MUTEX_ENTER(&ipf_rw); \
546 					  (x)++; MUTEX_EXIT(&ipf_rw); }
547 #  define	ATOMIC_DEC(x)		{ MUTEX_ENTER(&ipf_rw); \
548 					  (x)--; MUTEX_EXIT(&ipf_rw); }
549 #  define	USE_MUTEXES
550 #  ifdef MUTEX_INIT
551 #   include <sys/atomic_ops.h>
552 #   define	ATOMIC_INCL(x)		atomicAddUlong(&(x), 1)
553 #   define	ATOMIC_INC64(x)		atomicAddUint64(&(x), 1)
554 #   define	ATOMIC_INC32(x)		atomicAddUint(&(x), 1)
555 #   define	ATOMIC_INC16		ATOMIC_INC
556 #   define	ATOMIC_DECL(x)		atomicAddUlong(&(x), -1)
557 #   define	ATOMIC_DEC64(x)		atomicAddUint64(&(x), -1)
558 #   define	ATOMIC_DEC32(x)		atomicAddUint(&(x), -1)
559 #   define	ATOMIC_DEC16		ATOMIC_DEC
560 #   undef	MUTEX_INIT
561 #   define	MUTEX_INIT(x, y)	mutex_init(&(x)->ipf_lk,  \
562 						   MUTEX_DEFAULT, y)
563 #   undef	MUTEX_ENTER
564 #   define	MUTEX_ENTER(x)		mutex_lock(&(x)->ipf_lk, 0)
565 #   undef	MUTEX_EXIT
566 #   define	MUTEX_EXIT(x)		mutex_unlock(&(x)->ipf_lk)
567 #   undef	MUTEX_DESTROY
568 #   define	MUTEX_DESTROY(x)	mutex_destroy(&(x)->ipf_lk)
569 #   define	MUTEX_DOWNGRADE(x)	mrdemote(&(x)->ipf_lk)
570 #   define	KRWLOCK_T		mrlock_t
571 #   define	RWLOCK_INIT(x, y)	mrinit(&(x)->ipf_lk, y)
572 #   undef	RW_DESTROY
573 #   define	RW_DESTROY(x)		mrfree(&(x)->ipf_lk)
574 #   define	READ_ENTER(x)		RW_RDLOCK(&(x)->ipf_lk)
575 #   define	WRITE_ENTER(x)		RW_WRLOCK(&(x)->ipf_lk)
576 #   define	RWLOCK_EXIT(x)		RW_UNLOCK(&(x)->ipf_lk)
577 #  else
578 #   define	READ_ENTER(x)		MUTEX_ENTER(&(x)->ipf_lk)
579 #   define	WRITE_ENTER(x)		MUTEX_ENTER(&(x)->ipf_lk)
580 #   define	MUTEX_DOWNGRADE(x)	;
581 #   define	RWLOCK_EXIT(x)		MUTEX_EXIT(&(x)->ipf_lk)
582 #   define	MUTEX_EXIT(x)		UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
583 #   define	MUTEX_INIT(x,y)		(x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
584 #   define	MUTEX_DESTROY(x)	LOCK_DEALLOC((x)->ipf_lk.l)
585 #   define	MUTEX_ENTER(x)		(x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
586 							      IPF_LOCK_PL);
587 #  endif
588 #  define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
589 #  define	FREE_MB_T(m)	m_freem(m)
590 #  define	MTOD(m,t)	mtod(m,t)
591 #  define	COPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
592 #  define	COPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
593 #  define	BCOPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
594 #  define	BCOPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
595 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
596 #  define	SLEEP(id, n)	sleep((id), PZERO+1)
597 #  define	WAKEUP(id,x)	wakeup(id+x)
598 #  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
599 #  define	KFREES(x,s)	kmem_free((char *)(x), (s))
600 #  define	GETIFP(n,v)	ifunit(n)
601 #  include <sys/kmem.h>
602 #  include <sys/ddi.h>
603 #  define	KMALLOC(a,b)	(a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
604 #  define	KMALLOCS(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
605 #  define	GET_MINOR(x)	getminor(x)
606 #  define	USE_SPL		1
607 #  define	SPL_IMP(x)	(x) = splimp()
608 #  define	SPL_NET(x)	(x) = splnet()
609 #  define	SPL_X(x)	(void) splx(x)
610 extern	void	m_copydata __P((struct mbuf *, int, int, caddr_t));
611 extern	void	m_copyback __P((struct mbuf *, int, int, caddr_t));
612 #  define	MSGDSIZE(x)	mbufchainlen(x)
613 #  define	M_LEN(x)	(x)->m_len
614 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
615 #  define	GETKTIME(x)	microtime((struct timeval *)x)
616 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
617 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
618 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
619 typedef struct mbuf mb_t;
620 # else
621 #  undef RW_DESTROY
622 #  undef MUTEX_INIT
623 #  undef MUTEX_DESTROY
624 # endif /* _KERNEL */
625 
626 # define OS_RECOGNISED 1
627 
628 #endif /* __sgi */
629 
630 /* ----------------------------------------------------------------------- */
631 /*                                  T R U 6 4                              */
632 /* ----------------------------------------------------------------------- */
633 #ifdef __osf__
634 # undef		MENTAT
635 
636 # include <kern/lock.h>
637 # include <sys/sysmacros.h>
638 
639 # ifdef _KERNEL
640 #  define	KMUTEX_T		simple_lock_data_t
641 #  define	KRWLOCK_T		lock_data_t
642 #  include <net/net_globals.h>
643 #  define	USE_MUTEXES
644 #  define	READ_ENTER(x)		lock_read(&(x)->ipf_lk)
645 #  define	WRITE_ENTER(x)		lock_write(&(x)->ipf_lk)
646 #  define	MUTEX_DOWNGRADE(x)	lock_write_to_read(&(x)->ipf_lk)
647 #  define	RWLOCK_INIT(x, y)	lock_init(&(x)->ipf_lk, TRUE)
648 #  define	RWLOCK_EXIT(x)		lock_done(&(x)->ipf_lk)
649 #  define	RW_DESTROY(x)		lock_terminate(&(x)->ipf_lk)
650 #  define	MUTEX_ENTER(x)		simple_lock(&(x)->ipf_lk)
651 #  define	MUTEX_INIT(x, y)	simple_lock_init(&(x)->ipf_lk)
652 #  define	MUTEX_DESTROY(x)	simple_lock_terminate(&(x)->ipf_lk)
653 #  define	MUTEX_EXIT(x)		simple_unlock(&(x)->ipf_lk)
654 #  define	MUTEX_NUKE(x)		bzero(x, sizeof(*(x)))
655 #  define	ATOMIC_INC64(x)		atomic_incq((uint64_t*)&(x))
656 #  define	ATOMIC_DEC64(x)		atomic_decq((uint64_t*)&(x))
657 #  define	ATOMIC_INC32(x)		atomic_incl((uint32_t*)&(x))
658 #  define	ATOMIC_DEC32(x)		atomic_decl((uint32_t*)&(x))
659 #  define	ATOMIC_INC16(x)		{ simple_lock(&ipf_rw); (x)++; \
660 					  simple_unlock(&ipf_rw); }
661 #  define	ATOMIC_DEC16(x)		{ simple_lock(&ipf_rw); (x)--; \
662 					  simple_unlock(&ipf_rw); }
663 #  define	ATOMIC_INCL(x)		atomic_incl((uint32_t*)&(x))
664 #  define	ATOMIC_DECL(x)		atomic_decl((uint32_t*)&(x))
665 #  define	ATOMIC_INC(x)		{ simple_lock(&ipf_rw); (x)++; \
666 					  simple_unlock(&ipf_rw); }
667 #  define	ATOMIC_DEC(x)		{ simple_lock(&ipf_rw); (x)--; \
668 					  simple_unlock(&ipf_rw); }
669 #  define	SPL_NET(x)		;
670 #  define	SPL_IMP(x)		;
671 #  undef	SPL_X
672 #  define	SPL_X(x)		;
673 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a, b, d)
674 #  define	FREE_MB_T(m)		m_freem(m)
675 #  define	MTOD(m,t)		mtod(m,t)
676 #  define	GETIFP(n, v)		ifunit(n)
677 #  define	GET_MINOR		getminor
678 #  define	WAKEUP(id,x)		wakeup(id + x)
679 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
680 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
681 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
682 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
683 #  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
684 #  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), M_PFILT, \
685 					    ((c) > 4096) ? M_WAITOK : M_NOWAIT)
686 #  define	KFREE(x)	FREE((x), M_PFILT)
687 #  define	KFREES(x,s)	FREE((x), M_PFILT)
688 #  define	MSGDSIZE(x)	mbufchainlen(x)
689 #  define	M_LEN(x)	(x)->m_len
690 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
691 #  define	GETKTIME(x)	microtime((struct timeval *)x)
692 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
693 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
694 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
695 typedef struct mbuf mb_t;
696 # endif /* _KERNEL */
697 
698 # if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
699 #  define	IP_V(x)		((x)->ip_vhl >> 4)
700 #  define	IP_HL(x)	((x)->ip_vhl & 0xf)
701 #  define	IP_V_A(x,y)	(x)->ip_vhl |= (((y) << 4) & 0xf0)
702 #  define	IP_HL_A(x,y)	(x)->ip_vhl |= ((y) & 0xf)
703 #  define	TCP_X2(x)	((x)->th_xoff & 0xf)
704 #  define	TCP_X2_A(x,y)	(x)->th_xoff |= ((y) & 0xf)
705 #  define	TCP_OFF(x)	((x)->th_xoff >> 4)
706 #  define	TCP_OFF_A(x,y)	(x)->th_xoff |= (((y) << 4) & 0xf0)
707 # endif
708 
709 /*
710  * These are from's Solaris' #defines for little endian.
711  */
712 #define	IP6F_MORE_FRAG		0x0100
713 #define	IP6F_RESERVED_MASK	0x0600
714 #define	IP6F_OFF_MASK		0xf8ff
715 
716 struct ip6_ext {
717 	u_char	ip6e_nxt;
718 	u_char	ip6e_len;
719 };
720 
721 typedef	int		ioctlcmd_t;
722 /*
723  * Really, any arch where sizeof(long) != sizeof(int).
724  */
725 typedef unsigned int    u_32_t;
726 # define	U_32_T	1
727 
728 # define OS_RECOGNISED 1
729 #endif /* __osf__ */
730 
731 /* ----------------------------------------------------------------------- */
732 /*                                  N E T B S D                            */
733 /* ----------------------------------------------------------------------- */
734 #ifdef __NetBSD__
735 # if defined(_KERNEL) && !defined(IPFILTER_LKM)
736 #  include "bpfilter.h"
737 #  if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
738 #   include "opt_inet.h"
739 #  endif
740 #  ifdef INET6
741 #   define USE_INET6
742 #  endif
743 #  if (__NetBSD_Version__ >= 105000000)
744 #   define HAVE_M_PULLDOWN 1
745 #  endif
746 # endif
747 
748 # ifdef _KERNEL
749 #  define	MSGDSIZE(x)	mbufchainlen(x)
750 #  define	M_LEN(x)	(x)->m_len
751 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
752 #  define	GETKTIME(x)	microtime((struct timeval *)x)
753 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
754 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
755 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
756 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
757 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
758 typedef struct mbuf mb_t;
759 # endif /* _KERNEL */
760 # if (NetBSD <= 1991011) && (NetBSD >= 199606)
761 #  define	IFNAME(x)	((struct ifnet *)x)->if_xname
762 #  define	COPYIFNAME(x, b) \
763 				(void) strncpy(b, \
764 					       ((struct ifnet *)x)->if_xname, \
765 					       LIFNAMSIZ)
766 #  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index)&7)
767 # else
768 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
769 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
770 # endif
771 
772 typedef	struct uio	uio_t;
773 typedef	u_long		ioctlcmd_t;
774 typedef	int		minor_t;
775 typedef	u_int32_t	u_32_t;
776 # define	U_32_T	1
777 
778 # define OS_RECOGNISED 1
779 #endif /* __NetBSD__ */
780 
781 
782 /* ----------------------------------------------------------------------- */
783 /*                                F R E E B S D                            */
784 /* ----------------------------------------------------------------------- */
785 #ifdef __FreeBSD__
786 # if defined(_KERNEL)
787 #  if (__FreeBSD_version >= 500000)
788 #   include "opt_bpf.h"
789 #  else
790 #   include "bpf.h"
791 #  endif
792 #  if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
793 #   include "opt_inet6.h"
794 #  endif
795 #  if defined(INET6) && !defined(USE_INET6)
796 #   define USE_INET6
797 #  endif
798 # endif
799 
800 # if defined(_KERNEL)
801 #  if (__FreeBSD_version >= 400000)
802 /*
803  * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
804  * There may be other, safe, kernels but this is not extensively tested yet.
805  */
806 #   define HAVE_M_PULLDOWN
807 #  endif
808 #  if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
809 #   include "opt_ipfilter.h"
810 #  endif
811 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
812 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
813 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
814 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
815 
816 #  if (__FreeBSD_version >= 500043)
817 #   define NETBSD_PF
818 #  endif
819 # endif /* _KERNEL */
820 
821 # if (__FreeBSD_version >= 500043)
822 #  include <sys/mutex.h>
823 #  include <sys/sx.h>
824 /*
825  * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
826  * for what we want to use them for, despite testing showing they work -
827  * with a WITNESS kernel, it generates LOR messages.
828  */
829 #  define	KMUTEX_T		struct mtx
830 #  if 1
831 #   define	KRWLOCK_T		struct mtx
832 #  else
833 #   define	KRWLOCK_T		struct sx
834 #  endif
835 # endif
836 
837 # if (__FreeBSD_version >= 501113)
838 #  include <net/if_var.h>
839 #  define	IFNAME(x)	((struct ifnet *)x)->if_xname
840 #  define	COPYIFNAME(x, b) \
841 				(void) strncpy(b, \
842 					       ((struct ifnet *)x)->if_xname, \
843 					       LIFNAMSIZ)
844 # endif
845 # if (__FreeBSD_version >= 500043)
846 #  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
847 # else
848 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
849 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
850 # endif
851 
852 # ifdef _KERNEL
853 #  define	GETKTIME(x)	microtime((struct timeval *)x)
854 
855 #  if (__FreeBSD_version >= 500002)
856 #   include <netinet/in_systm.h>
857 #   include <netinet/ip.h>
858 #   include <machine/in_cksum.h>
859 #  endif
860 
861 #  if (__FreeBSD_version >= 500043)
862 #   define	USE_MUTEXES
863 #   define	MUTEX_ENTER(x)		mtx_lock(&(x)->ipf_lk)
864 #   define	MUTEX_EXIT(x)		mtx_unlock(&(x)->ipf_lk)
865 #   define	MUTEX_INIT(x,y)		mtx_init(&(x)->ipf_lk, (y), NULL,\
866 						 MTX_DEF)
867 #   define	MUTEX_DESTROY(x)	mtx_destroy(&(x)->ipf_lk)
868 #   define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
869 /*
870  * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
871  * for what we want to use them for, despite testing showing they work -
872  * with a WITNESS kernel, it generates LOR messages.
873  */
874 #   if 1
875 #    define	READ_ENTER(x)		mtx_lock(&(x)->ipf_lk)
876 #    define	WRITE_ENTER(x)		mtx_lock(&(x)->ipf_lk)
877 #    define	RWLOCK_EXIT(x)		mtx_unlock(&(x)->ipf_lk)
878 #    define	MUTEX_DOWNGRADE(x)	;
879 #    define	RWLOCK_INIT(x,y)	mtx_init(&(x)->ipf_lk, (y), NULL,\
880 						 MTX_DEF)
881 #    define	RW_DESTROY(x)		mtx_destroy(&(x)->ipf_lk)
882 #   else
883 #    define	READ_ENTER(x)		sx_slock(&(x)->ipf_lk)
884 #    define	WRITE_ENTER(x)		sx_xlock(&(x)->ipf_lk)
885 #    define	MUTEX_DOWNGRADE(x)	sx_downgrade(&(x)->ipf_lk)
886 #    define	RWLOCK_INIT(x, y)	sx_init(&(x)->ipf_lk, (y))
887 #    define	RW_DESTROY(x)		sx_destroy(&(x)->ipf_lk)
888 #    ifdef sx_unlock
889 #     define	RWLOCK_EXIT(x)		sx_unlock(x)
890 #    else
891 #     define	RWLOCK_EXIT(x)		do { \
892 					    if ((x)->ipf_lk.sx_cnt < 0) \
893 						sx_xunlock(&(x)->ipf_lk); \
894 					    else \
895 						sx_sunlock(&(x)->ipf_lk); \
896 					} while (0)
897 #    endif
898 #   endif
899 #   include <machine/atomic.h>
900 #   define	ATOMIC_INC(x)		{ mtx_lock(&ipf_rw.ipf_lk); (x)++; \
901 					  mtx_unlock(&ipf_rw.ipf_lk); }
902 #   define	ATOMIC_DEC(x)		{ mtx_lock(&ipf_rw.ipf_lk); (x)--; \
903 					  mtx_unlock(&ipf_rw.ipf_lk); }
904 #   define	ATOMIC_INCL(x)		atomic_add_long(&(x), 1)
905 #   define	ATOMIC_INC64(x)		ATOMIC_INC(x)
906 #   define	ATOMIC_INC32(x)		atomic_add_32(&(x), 1)
907 #   define	ATOMIC_INC16(x)		atomic_add_16(&(x), 1)
908 #   define	ATOMIC_DECL(x)		atomic_add_long(&(x), -1)
909 #   define	ATOMIC_DEC64(x)		ATOMIC_DEC(x)
910 #   define	ATOMIC_DEC32(x)		atomic_add_32(&(x), -1)
911 #   define	ATOMIC_DEC16(x)		atomic_add_16(&(x), -1)
912 #   define	SPL_X(x)	;
913 #   define	SPL_NET(x)	;
914 #   define	SPL_IMP(x)	;
915 extern	int	in_cksum __P((struct mbuf *, int));
916 #  endif /* __FreeBSD_version >= 500043 */
917 #  define	MSGDSIZE(x)	mbufchainlen(x)
918 #  define	M_LEN(x)	(x)->m_len
919 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
920 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
921 typedef struct mbuf mb_t;
922 # endif /* _KERNEL */
923 
924 # if __FreeBSD__ < 3
925 #  include <machine/spl.h>
926 # else
927 #  if __FreeBSD__ == 3
928 #   if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
929 #    define	ACTUALLY_LKM_NOT_KERNEL
930 #   endif
931 #  endif
932 # endif
933 
934 # if (__FreeBSD_version >= 300000)
935 typedef	u_long		ioctlcmd_t;
936 # else
937 typedef	int		ioctlcmd_t;
938 # endif
939 typedef	struct uio	uio_t;
940 typedef	int		minor_t;
941 typedef	u_int32_t	u_32_t;
942 # define	U_32_T	1
943 
944 # define OS_RECOGNISED 1
945 #endif /* __FreeBSD__ */
946 
947 
948 /* ----------------------------------------------------------------------- */
949 /*                                O P E N B S D                            */
950 /* ----------------------------------------------------------------------- */
951 #ifdef __OpenBSD__
952 # ifdef INET6
953 #  define USE_INET6
954 # endif
955 
956 # ifdef _KERNEL
957 #  if !defined(IPFILTER_LKM)
958 #   include "bpfilter.h"
959 #  endif
960 #  if (OpenBSD >= 200311)
961 #   define SNPRINTF	snprintf
962 #   if defined(USE_INET6)
963 #    include "netinet6/in6_var.h"
964 #    include "netinet6/nd6.h"
965 #   endif
966 #  endif
967 #  if (OpenBSD >= 200012)
968 #   define HAVE_M_PULLDOWN 1
969 #  endif
970 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
971 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
972 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
973 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
974 #  define	GETKTIME(x)	microtime((struct timeval *)x)
975 #  define	MSGDSIZE(x)	mbufchainlen(x)
976 #  define	M_LEN(x)	(x)->m_len
977 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
978 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
979 typedef struct mbuf mb_t;
980 # endif /* _KERNEL */
981 # if (OpenBSD >= 199603)
982 #  define	IFNAME(x, b)	((struct ifnet *)x)->if_xname
983 #  define	COPYIFNAME(x, b) \
984 				(void) strncpy(b, \
985 					       ((struct ifnet *)x)->if_xname, \
986 					       LIFNAMSIZ)
987 #  define	CACHE_HASH(x)	((((struct ifnet *)fin->fin_ifp)->if_index)&7)
988 # else
989 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
990 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
991 # endif
992 
993 typedef	struct uio	uio_t;
994 typedef	u_long		ioctlcmd_t;
995 typedef	int		minor_t;
996 typedef	u_int32_t	u_32_t;
997 # define	U_32_T	1
998 
999 # define OS_RECOGNISED 1
1000 #endif /* __OpenBSD__ */
1001 
1002 
1003 /* ----------------------------------------------------------------------- */
1004 /*                                B S D O S                                */
1005 /* ----------------------------------------------------------------------- */
1006 #ifdef _BSDI_VERSION
1007 # ifdef INET6
1008 #  define USE_INET6
1009 # endif
1010 
1011 # ifdef _KERNEL
1012 #  define	GETKTIME(x)	microtime((struct timeval *)x)
1013 #  define	MSGDSIZE(x)	mbufchainlen(x)
1014 #  define	M_LEN(x)	(x)->m_len
1015 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
1016 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1017 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1018 typedef struct mbuf mb_t;
1019 # endif /* _KERNEL */
1020 
1021 # if (_BSDI_VERSION >= 199701)
1022 typedef	u_long		ioctlcmd_t;
1023 # else
1024 typedef	int		ioctlcmd_t;
1025 # endif
1026 typedef	u_int32_t	u_32_t;
1027 # define	U_32_T	1
1028 
1029 #endif /* _BSDI_VERSION */
1030 
1031 
1032 /* ----------------------------------------------------------------------- */
1033 /*                                  S U N O S 4                            */
1034 /* ----------------------------------------------------------------------- */
1035 #if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1036 # ifdef _KERNEL
1037 #  include	<sys/kmem_alloc.h>
1038 #  define	GETKTIME(x)	uniqtime((struct timeval *)x)
1039 #  define	MSGDSIZE(x)	mbufchainlen(x)
1040 #  define	M_LEN(x)	(x)->m_len
1041 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
1042 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1043 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1044 #  define	GETIFP(n, v)	ifunit(n, IFNAMSIZ)
1045 #  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
1046 #  define	KFREES(x,s)	kmem_free((char *)(x), (s))
1047 #  define	SLEEP(id, n)	sleep((id), PZERO+1)
1048 #  define	WAKEUP(id,x)	wakeup(id + x)
1049 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
1050 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
1051 
1052 extern	void	m_copydata __P((struct mbuf *, int, int, caddr_t));
1053 extern	void	m_copyback __P((struct mbuf *, int, int, caddr_t));
1054 
1055 typedef struct mbuf mb_t;
1056 # endif
1057 
1058 typedef	struct uio	uio_t;
1059 typedef	int		ioctlcmd_t;
1060 typedef	int		minor_t;
1061 typedef	unsigned int	u_32_t;
1062 # define	U_32_T	1
1063 
1064 # define OS_RECOGNISED 1
1065 
1066 #endif /* SunOS 4 */
1067 
1068 /* ----------------------------------------------------------------------- */
1069 /*                            L I N U X                                    */
1070 /* ----------------------------------------------------------------------- */
1071 #if defined(linux) && !defined(OS_RECOGNISED)
1072 #include <linux/config.h>
1073 #include <linux/version.h>
1074 # if LINUX >= 20600
1075 #  define	 HDR_T_PRIVATE	1
1076 # endif
1077 # undef USE_INET6
1078 # ifdef USE_INET6
1079 struct ip6_ext {
1080 	u_char	ip6e_nxt;
1081 	u_char	ip6e_len;
1082 };
1083 # endif
1084 
1085 # ifdef _KERNEL
1086 #  define	IPF_PANIC(x,y)	if (x) { printf y; panic("ipf_panic"); }
1087 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1088 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1089 #  define	COPYIN(a,b,c)	copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1090 #  define	COPYOUT(a,b,c)	copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1091 #  define	FREE_MB_T(m)	kfree_skb(m)
1092 #  define	GETKTIME(x)	do_gettimeofday((struct timeval *)x)
1093 #  define	SLEEP(x,s)	0, interruptible_sleep_on(x##_linux)
1094 #  define	WAKEUP(x,y)	wake_up(x##_linux + y)
1095 #  define	UIOMOVE(a,b,c,d)	uiomove(a,b,c,d)
1096 #  define	USE_MUTEXES
1097 #  define	KRWLOCK_T		rwlock_t
1098 #  define	KMUTEX_T		spinlock_t
1099 #  define	MUTEX_INIT(x,y)		spin_lock_init(&(x)->ipf_lk)
1100 #  define	MUTEX_ENTER(x)		spin_lock(&(x)->ipf_lk)
1101 #  define	MUTEX_EXIT(x)		spin_unlock(&(x)->ipf_lk)
1102 #  define	MUTEX_DESTROY(x)	do { } while (0)
1103 #  define	MUTEX_NUKE(x)		bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1104 #  define	READ_ENTER(x)		ipf_read_enter(x)
1105 #  define	WRITE_ENTER(x)		ipf_write_enter(x)
1106 #  define	RWLOCK_INIT(x,y)	rwlock_init(&(x)->ipf_lk)
1107 #  define	RW_DESTROY(x)		do { } while (0)
1108 #  define	RWLOCK_EXIT(x)		ipf_rw_exit(x)
1109 #  define	MUTEX_DOWNGRADE(x)	ipf_rw_downgrade(x)
1110 #  define	ATOMIC_INCL(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1111 					MUTEX_EXIT(&ipf_rw)
1112 #  define	ATOMIC_DECL(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1113 					MUTEX_EXIT(&ipf_rw)
1114 #  define	ATOMIC_INC64(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1115 					MUTEX_EXIT(&ipf_rw)
1116 #  define	ATOMIC_INC32(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1117 					MUTEX_EXIT(&ipf_rw)
1118 #  define	ATOMIC_INC16(x)		MUTEX_ENTER(&ipf_rw); (x)++; \
1119 					MUTEX_EXIT(&ipf_rw)
1120 #  define	ATOMIC_DEC64(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1121 					MUTEX_EXIT(&ipf_rw)
1122 #  define	ATOMIC_DEC32(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1123 					MUTEX_EXIT(&ipf_rw)
1124 #  define	ATOMIC_DEC16(x)		MUTEX_ENTER(&ipf_rw); (x)--; \
1125 					MUTEX_EXIT(&ipf_rw)
1126 #  define	SPL_IMP(x)		do { } while (0)
1127 #  define	SPL_NET(x)		do { } while (0)
1128 #  define	SPL_X(x)		do { } while (0)
1129 #  define	IFNAME(x)		((struct net_device*)x)->name
1130 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1131 			  ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1132 typedef	struct	sk_buff	mb_t;
1133 extern	void	m_copydata __P((mb_t *, int, int, caddr_t));
1134 extern	void	m_copyback __P((mb_t *, int, int, caddr_t));
1135 extern	void	m_adj __P((mb_t *, int));
1136 extern	mb_t	*m_pullup __P((mb_t *, int));
1137 #  define	mbuf	sk_buff
1138 
1139 #  define	mtod(m, t)	((t)(m)->data)
1140 #  define	m_len		len
1141 #  define	m_next		next
1142 #  define	M_DUPLICATE(m)	skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1143 								GFP_KERNEL)
1144 #  define	MSGDSIZE(m)	(m)->len
1145 #  define	M_LEN(m)	(m)->len
1146 
1147 #  define	splnet(x)	;
1148 #  define	printf		printk
1149 #  define	bcopy(s,d,z)	memmove(d, s, z)
1150 #  define	bzero(s,z)	memset(s, 0, z)
1151 #  define	bcmp(a,b,z)	memcmp(a, b, z)
1152 
1153 #  define	ifnet		net_device
1154 #  define	if_xname	name
1155 #  define	if_unit		ifindex
1156 
1157 #  define	KMALLOC(x,t)	(x) = (t)kmalloc(sizeof(*(x)), \
1158 				    in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1159 #  define	KFREE(x)	kfree(x)
1160 #  define	KMALLOCS(x,t,s)	(x) = (t)kmalloc((s), \
1161 				    in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1162 #  define	KFREES(x,s)	kfree(x)
1163 
1164 #  define GETIFP(n,v)	dev_get_by_name(n)
1165 
1166 # else
1167 #  include <net/ethernet.h>
1168 
1169 struct mbuf {
1170 };
1171 
1172 #  ifndef _NET_ROUTE_H
1173 struct rtentry {
1174 };
1175 #  endif
1176 
1177 struct ifnet {
1178 	char	if_xname[IFNAMSIZ];
1179 	int	if_unit;
1180 	int	(* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1181 	struct	ifaddr	*if_addrlist;
1182 };
1183 # define	IFNAME(x)	((struct ifnet *)x)->if_xname
1184 
1185 # endif	/* _KERNEL */
1186 
1187 # define	COPYIFNAME(x, b) \
1188 				(void) strncpy(b, \
1189 					       ((struct ifnet *)x)->if_xname, \
1190 					       LIFNAMSIZ)
1191 
1192 # include <linux/fs.h>
1193 # define	FWRITE	FMODE_WRITE
1194 # define	FREAD	FMODE_READ
1195 
1196 # define	__USE_MISC	1
1197 # define	__FAVOR_BSD	1
1198 
1199 typedef	struct uio {
1200 	struct iovec	*uio_iov;
1201 	void	*uio_file;
1202 	char	*uio_buf;
1203 	int	uio_iovcnt;
1204 	int	uio_offset;
1205 	size_t	uio_resid;
1206 	int	uio_rw;
1207 } uio_t;
1208 
1209 extern	int	uiomove __P((caddr_t, size_t, int, struct uio *));
1210 
1211 # define	UIO_READ	1
1212 # define	UIO_WRITE	2
1213 
1214 typedef	u_long		ioctlcmd_t;
1215 typedef	int		minor_t;
1216 typedef u_int32_t 	u_32_t;
1217 # define	U_32_T	1
1218 
1219 # define OS_RECOGNISED 1
1220 
1221 #endif
1222 
1223 
1224 /* ----------------------------------------------------------------------- */
1225 /*                                    A I X                                */
1226 /* ----------------------------------------------------------------------- */
1227 #if defined(_AIX51)
1228 # undef		MENTAT
1229 
1230 # include <sys/lock.h>
1231 # include <sys/sysmacros.h>
1232 
1233 # ifdef _KERNEL
1234 #  define rw_read_locked(x)		0
1235 #  include <net/net_globals.h>
1236 #  include <net/net_malloc.h>
1237 #  define	KMUTEX_T		simple_lock_t
1238 #  define	KRWLOCK_T		complex_lock_t
1239 #  define	USE_MUTEXES		1
1240 #  define	USE_SPL			1
1241 #  define	READ_ENTER(x)		lock_read((x)->ipf_lk)
1242 #  define	WRITE_ENTER(x)		lock_write((x)->ipf_lk)
1243 #  define	MUTEX_DOWNGRADE(x)	lock_write_to_read((x)->ipf_lk)
1244 #  define	RWLOCK_INIT(x, y)	lock_alloc(&(x)->ipf_lk, \
1245 						   LOCK_ALLOC_PIN, \
1246 						   (u_short)y, 0); \
1247 					lock_init((x)->ipf_lk, TRUE)
1248 #  define	RWLOCK_EXIT(x)		lock_done((x)->ipf_lk)
1249 #  define	RW_DESTROY(x)		lock_free(&(x)->ipf_lk)
1250 #  define	MUTEX_ENTER(x)		simple_lock((x)->ipf_lk)
1251 #  define	MUTEX_INIT(x, y)	lock_alloc(&(x)->ipf_lk, \
1252 						   LOCK_ALLOC_PIN, \
1253 						   (u_short)y, 0); \
1254 					simple_lock_init((x)->ipf_lk)
1255 #  define	MUTEX_DESTROY(x)	lock_free(&(x)->ipf_lk)
1256 #  define	MUTEX_EXIT(x)		simple_unlock((x)->ipf_lk)
1257 #  define	MUTEX_NUKE(x)		bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1258 #   define	ATOMIC_INC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
1259 					  MUTEX_EXIT(&ipf_rw); }
1260 #   define	ATOMIC_DEC64(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
1261 					  MUTEX_EXIT(&ipf_rw); }
1262 #   define	ATOMIC_INC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
1263 					  MUTEX_EXIT(&ipf_rw); }
1264 #   define	ATOMIC_DEC32(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
1265 					  MUTEX_EXIT(&ipf_rw); }
1266 #   define	ATOMIC_INCL(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
1267 					  MUTEX_EXIT(&ipf_rw); }
1268 #   define	ATOMIC_DECL(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
1269 					  MUTEX_EXIT(&ipf_rw); }
1270 #   define	ATOMIC_INC(x)		{ MUTEX_ENTER(&ipf_rw); (x)++; \
1271 					  MUTEX_EXIT(&ipf_rw); }
1272 #   define	ATOMIC_DEC(x)		{ MUTEX_ENTER(&ipf_rw); (x)--; \
1273 					  MUTEX_EXIT(&ipf_rw); }
1274 #  define	SPL_NET(x)		x = splnet()
1275 #  define	SPL_IMP(x)		x = splimp()
1276 #  undef	SPL_X
1277 #  define	SPL_X(x)		splx(x)
1278 #  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
1279 extern void* getifp __P((char *, int));
1280 #  define	GETIFP(n, v)		getifp(n, v)
1281 #  define	GET_MINOR		minor
1282 #  define	SLEEP(id, n)	sleepx((id), PZERO+1, 0)
1283 #  define	WAKEUP(id,x)	wakeup(id)
1284 #  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
1285 #  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
1286 #  define	BCOPYIN(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1287 #  define	BCOPYOUT(a,b,c)	bcopy((caddr_t)(a), (caddr_t)(b), (c))
1288 #  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
1289 #  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), M_TEMP, \
1290 					    ((c) > 4096) ? M_WAITOK : M_NOWAIT)
1291 #  define	KFREE(x)	FREE((x), M_TEMP)
1292 #  define	KFREES(x,s)	FREE((x), M_TEMP)
1293 #  define	MSGDSIZE(x)	mbufchainlen(x)
1294 #  define	M_LEN(x)	(x)->m_len
1295 #  define	M_DUPLICATE(x)	m_copy((x), 0, M_COPYALL)
1296 #  define	GETKTIME(x)
1297 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1298 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1299 #  define	IPF_PANIC(x,y)
1300 typedef struct mbuf mb_t;
1301 # endif /* _KERNEL */
1302 
1303 /*
1304  * These are from's Solaris' #defines for little endian.
1305  */
1306 #if !defined(IP6F_MORE_FRAG)
1307 # define	IP6F_MORE_FRAG		0x0100
1308 #endif
1309 #if !defined(IP6F_RESERVED_MASK)
1310 # define	IP6F_RESERVED_MASK	0x0600
1311 #endif
1312 #if !defined(IP6F_OFF_MASK)
1313 # define	IP6F_OFF_MASK		0xf8ff
1314 #endif
1315 
1316 struct ip6_ext {
1317 	u_char	ip6e_nxt;
1318 	u_char	ip6e_len;
1319 };
1320 
1321 typedef	int		ioctlcmd_t;
1322 typedef	int		minor_t;
1323 /*
1324  * Really, any arch where sizeof(long) != sizeof(int).
1325  */
1326 typedef unsigned int    u_32_t;
1327 # define	U_32_T	1
1328 
1329 # define OS_RECOGNISED 1
1330 #endif	/* _AIX51 */
1331 
1332 
1333 #ifndef	OS_RECOGNISED
1334 #error	ip_compat.h does not recognise this platform/OS.
1335 #endif
1336 
1337 
1338 /* ----------------------------------------------------------------------- */
1339 /*                           G E N E R I C                                 */
1340 /* ----------------------------------------------------------------------- */
1341 #ifndef OS_RECOGNISED
1342 #endif
1343 
1344 /*
1345  * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1346  * filter rules.
1347  */
1348 #if !defined(IPFILTER_BPF) && ((NBPF > 0) || (NBPFILTER > 0) || (DEV_BPF > 0))
1349 # define IPFILTER_BPF
1350 #endif
1351 
1352 /*
1353  * Userland locking primitives
1354  */
1355 typedef	struct	{
1356 	char	*eMm_owner;
1357 	char	*eMm_heldin;
1358 	u_int	eMm_magic;
1359 	int	eMm_held;
1360 	int	eMm_heldat;
1361 #ifdef __hpux
1362 	char	eMm_fill[8];
1363 #endif
1364 } eMmutex_t;
1365 
1366 typedef	struct	{
1367 	char	*eMrw_owner;
1368 	char	*eMrw_heldin;
1369 	u_int	eMrw_magic;
1370 	short	eMrw_read;
1371 	short	eMrw_write;
1372 	int	eMrw_heldat;
1373 #ifdef __hpux
1374 	char	eMm_fill[24];
1375 #endif
1376 } eMrwlock_t;
1377 
1378 typedef union {
1379 #ifdef KMUTEX_T
1380 	struct	{
1381 		KMUTEX_T	ipf_slk;
1382 		char		*ipf_lname;
1383 	} ipf_lkun_s;
1384 #endif
1385 	eMmutex_t	ipf_emu;
1386 } ipfmutex_t;
1387 
1388 typedef union {
1389 #ifdef KRWLOCK_T
1390 	struct	{
1391 		KRWLOCK_T	ipf_slk;
1392 		char		*ipf_lname;
1393 		int		ipf_sr;
1394 		int		ipf_sw;
1395 		u_int		ipf_magic;
1396 	} ipf_lkun_s;
1397 #endif
1398 	eMrwlock_t	ipf_emu;
1399 } ipfrwlock_t;
1400 
1401 #define	ipf_lk		ipf_lkun_s.ipf_slk
1402 #define	ipf_lname	ipf_lkun_s.ipf_lname
1403 #define	ipf_isr		ipf_lkun_s.ipf_sr
1404 #define	ipf_isw		ipf_lkun_s.ipf_sw
1405 #define	ipf_magic	ipf_lkun_s.ipf_magic
1406 
1407 #if !defined(__GNUC__) || \
1408     (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1409 # ifndef	INLINE
1410 #  define	INLINE
1411 # endif
1412 #else
1413 # define	INLINE	__inline__
1414 #endif
1415 
1416 #if defined(linux) && defined(_KERNEL)
1417 extern	INLINE	void	ipf_read_enter __P((ipfrwlock_t *));
1418 extern	INLINE	void	ipf_write_enter __P((ipfrwlock_t *));
1419 extern	INLINE	void	ipf_rw_exit __P((ipfrwlock_t *));
1420 extern	INLINE	void	ipf_rw_downgrade __P((ipfrwlock_t *));
1421 #endif
1422 
1423 /*
1424  * In a non-kernel environment, there are a lot of macros that need to be
1425  * filled in to be null-ops or to point to some compatibility function,
1426  * somewhere in userland.
1427  */
1428 #ifndef _KERNEL
1429 typedef	struct	mb_s	{
1430 	struct	mb_s	*mb_next;
1431 	int		mb_len;
1432 	u_long		mb_buf[2048];
1433 } mb_t;
1434 # undef		m_next
1435 # define	m_next		mb_next
1436 # define	MSGDSIZE(x)	(x)->mb_len	/* XXX - from ipt.c */
1437 # define	M_LEN(x)	(x)->mb_len
1438 # define	M_DUPLICATE(x)	(x)
1439 # define	GETKTIME(x)	gettimeofday((struct timeval *)(x), NULL)
1440 # undef		MTOD
1441 # define	MTOD(m, t)	((t)(m)->mb_buf)
1442 # define	FREE_MB_T(x)
1443 # define	SLEEP(x,y)	1;
1444 # define	WAKEUP(x,y)	;
1445 # define	IPF_PANIC(x,y)	;
1446 # define	PANIC(x,y)	;
1447 # define	SPL_NET(x)	;
1448 # define	SPL_IMP(x)	;
1449 # define	SPL_X(x)	;
1450 # define	KMALLOC(a,b)	(a) = (b)malloc(sizeof(*a))
1451 # define	KMALLOCS(a,b,c)	(a) = (b)malloc(c)
1452 # define	KFREE(x)	free(x)
1453 # define	KFREES(x,s)	free(x)
1454 # define	GETIFP(x, v)	get_unit(x,v)
1455 # define	COPYIN(a,b,c)	(bcopy((a), (b), (c)), 0)
1456 # define	COPYOUT(a,b,c)	(bcopy((a), (b), (c)), 0)
1457 # define	BCOPYIN(a,b,c)	(bcopy((a), (b), (c)), 0)
1458 # define	BCOPYOUT(a,b,c)	(bcopy((a), (b), (c)), 0)
1459 # define	COPYDATA(m, o, l, b)	bcopy(MTOD((mb_t *)m, char *) + (o), \
1460 					      (b), (l))
1461 # define	COPYBACK(m, o, l, b)	bcopy((b), \
1462 					      MTOD((mb_t *)m, char *) + (o), \
1463 					      (l))
1464 # define	UIOMOVE(a,b,c,d)	ipfuiomove(a,b,c,d)
1465 extern	void	m_copydata __P((mb_t *, int, int, caddr_t));
1466 extern	int	ipfuiomove __P((caddr_t, int, int, struct uio *));
1467 # ifndef CACHE_HASH
1468 #  define	CACHE_HASH(x)	((IFNAME(fin->fin_ifp)[0] + \
1469 				  ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1470 # endif
1471 
1472 # define	MUTEX_DESTROY(x)	eMmutex_destroy(&(x)->ipf_emu)
1473 # define	MUTEX_ENTER(x)		eMmutex_enter(&(x)->ipf_emu, \
1474 						      __FILE__, __LINE__)
1475 # define	MUTEX_EXIT(x)		eMmutex_exit(&(x)->ipf_emu)
1476 # define	MUTEX_INIT(x,y)		eMmutex_init(&(x)->ipf_emu, y)
1477 # define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
1478 
1479 # define	MUTEX_DOWNGRADE(x)	eMrwlock_downgrade(&(x)->ipf_emu, \
1480 							   __FILE__, __LINE__)
1481 # define	READ_ENTER(x)		eMrwlock_read_enter(&(x)->ipf_emu, \
1482 							    __FILE__, __LINE__)
1483 # define	RWLOCK_INIT(x, y)	eMrwlock_init(&(x)->ipf_emu, y)
1484 # define	RWLOCK_EXIT(x)		eMrwlock_exit(&(x)->ipf_emu)
1485 # define	RW_DESTROY(x)		eMrwlock_destroy(&(x)->ipf_emu)
1486 # define	WRITE_ENTER(x)		eMrwlock_write_enter(&(x)->ipf_emu, \
1487 							     __FILE__, \
1488 							     __LINE__)
1489 
1490 # define	USE_MUTEXES		1
1491 
1492 extern void eMmutex_destroy __P((eMmutex_t *));
1493 extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1494 extern void eMmutex_exit __P((eMmutex_t *));
1495 extern void eMmutex_init __P((eMmutex_t *, char *));
1496 extern void eMrwlock_destroy __P((eMrwlock_t *));
1497 extern void eMrwlock_exit __P((eMrwlock_t *));
1498 extern void eMrwlock_init __P((eMrwlock_t *, char *));
1499 extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1500 extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1501 extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1502 
1503 #endif
1504 
1505 #define	MAX_IPV4HDR	((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1506 
1507 #ifndef	IP_OFFMASK
1508 # define	IP_OFFMASK	0x1fff
1509 #endif
1510 
1511 
1512 /*
1513  * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1514  * object.
1515  */
1516 #if	BSD > 199306
1517 # define	USE_QUAD_T
1518 # define	U_QUAD_T	u_quad_t
1519 # define	QUAD_T		quad_t
1520 #else /* BSD > 199306 */
1521 # define	U_QUAD_T	u_long
1522 # define	QUAD_T		long
1523 #endif /* BSD > 199306 */
1524 
1525 
1526 #ifdef	USE_INET6
1527 # if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1528      defined(__osf__) || defined(linux)
1529 #  include <netinet/ip6.h>
1530 #  include <netinet/icmp6.h>
1531 #  if !defined(linux)
1532 #   if defined(_KERNEL) && !defined(__osf__)
1533 #    include <netinet6/ip6_var.h>
1534 #   endif
1535 #  endif
1536 typedef	struct ip6_hdr	ip6_t;
1537 # endif
1538 #endif
1539 
1540 #ifndef	MAX
1541 # define	MAX(a,b)	(((a) > (b)) ? (a) : (b))
1542 #endif
1543 
1544 #if defined(_KERNEL)
1545 # ifdef MENTAT
1546 #  define	COPYDATA	mb_copydata
1547 #  define	COPYBACK	mb_copyback
1548 # else
1549 #  define	COPYDATA	m_copydata
1550 #  define	COPYBACK	m_copyback
1551 # endif
1552 # if (BSD >= 199306) || defined(__FreeBSD__)
1553 #  if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1554        defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1555        defined(_BSDI_VERSION)
1556 #   include <vm/vm.h>
1557 #  endif
1558 #  if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1559       (__FreeBSD_version >= 300000))
1560 #   if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1561        (defined(OpenBSD) && (OpenBSD >= 200111))
1562 #    include <uvm/uvm_extern.h>
1563 #   else
1564 #    include <vm/vm_extern.h>
1565 extern  vm_map_t        kmem_map;
1566 #   endif
1567 #   include <sys/proc.h>
1568 #  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1569 #   include <vm/vm_kern.h>
1570 #  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1571 
1572 #  ifdef IPFILTER_M_IPFILTER
1573 #    include <sys/malloc.h>
1574 MALLOC_DECLARE(M_IPFILTER);
1575 #    define	_M_IPF		M_IPFILTER
1576 #  else /* IPFILTER_M_IPFILTER */
1577 #   ifdef M_PFIL
1578 #    define	_M_IPF		M_PFIL
1579 #   else
1580 #    ifdef M_IPFILTER
1581 #     define	_M_IPF		M_IPFILTER
1582 #    else
1583 #     define	_M_IPF		M_TEMP
1584 #    endif /* M_IPFILTER */
1585 #   endif /* M_PFIL */
1586 #  endif /* IPFILTER_M_IPFILTER */
1587 #  define	KMALLOC(a, b)	MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1588 #  define	KMALLOCS(a, b, c)	MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1589 #  define	KFREE(x)	FREE((x), _M_IPF)
1590 #  define	KFREES(x,s)	FREE((x), _M_IPF)
1591 #  define	UIOMOVE(a,b,c,d)	uiomove(a,b,d)
1592 #  define	SLEEP(id, n)	tsleep((id), PPAUSE|PCATCH, n, 0)
1593 #  define	WAKEUP(id,x)	wakeup(id+x)
1594 #  define	GETIFP(n, v)	ifunit(n)
1595 # endif /* (Free)BSD */
1596 
1597 # if !defined(USE_MUTEXES) && !defined(SPL_NET)
1598 #  if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1599       (defined(OpenBSD) && (OpenBSD >= 200006))
1600 #   define	SPL_NET(x)	x = splsoftnet()
1601 #  else
1602 #   define	SPL_IMP(x)	x = splimp()
1603 #   define	SPL_NET(x)	x = splnet()
1604 #  endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1605 #  define	SPL_X(x)	(void) splx(x)
1606 # endif /* !USE_MUTEXES */
1607 
1608 # ifndef FREE_MB_T
1609 #  define	FREE_MB_T(m)	m_freem(m)
1610 # endif
1611 
1612 # ifndef MTOD
1613 #  define	MTOD(m,t)	mtod(m,t)
1614 # endif
1615 
1616 # ifndef COPYIN
1617 #  define	COPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1618 #  define	COPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1619 #  define	BCOPYIN(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1620 #  define	BCOPYOUT(a,b,c)	(bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1621 # endif
1622 
1623 # ifndef KMALLOC
1624 #  define	KMALLOC(a,b)	(a) = (b)new_kmem_alloc(sizeof(*(a)), \
1625 							KMEM_NOSLEEP)
1626 #  define	KMALLOCS(a,b,c)	(a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1627 # endif
1628 
1629 # ifndef	GET_MINOR
1630 #  define	GET_MINOR(x)	minor(x)
1631 # endif
1632 # define	PANIC(x,y)	if (x) panic y
1633 #endif /* _KERNEL */
1634 
1635 #ifndef	IFNAME
1636 # define	IFNAME(x)	((struct ifnet *)x)->if_name
1637 #endif
1638 #ifndef	COPYIFNAME
1639 # define	NEED_FRGETIFNAME
1640 extern	char	*fr_getifname __P((struct ifnet *, char *));
1641 # define	COPYIFNAME(x, b) \
1642 				fr_getifname((struct ifnet *)x, b)
1643 #endif
1644 
1645 #ifndef ASSERT
1646 # define	ASSERT(x)
1647 #endif
1648 
1649 /*
1650  * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1651  * would mean all normal code that walks through strings needed casts.  Yuck.
1652  */
1653 #define	ISALNUM(x)	isalnum((u_char)(x))
1654 #define	ISALPHA(x)	isalpha((u_char)(x))
1655 #define	ISASCII(x)	isascii((u_char)(x))
1656 #define	ISDIGIT(x)	isdigit((u_char)(x))
1657 #define	ISPRINT(x)	isprint((u_char)(x))
1658 #define	ISSPACE(x)	isspace((u_char)(x))
1659 #define	ISUPPER(x)	isupper((u_char)(x))
1660 #define	ISXDIGIT(x)	isxdigit((u_char)(x))
1661 #define	ISLOWER(x)	islower((u_char)(x))
1662 #define	TOUPPER(x)	toupper((u_char)(x))
1663 #define	TOLOWER(x)	tolower((u_char)(x))
1664 
1665 /*
1666  * If mutexes aren't being used, turn all the mutex functions into null-ops.
1667  */
1668 #if !defined(USE_MUTEXES)
1669 # define	USE_SPL			1
1670 # undef		RW_DESTROY
1671 # undef		MUTEX_INIT
1672 # undef		MUTEX_NUKE
1673 # undef		MUTEX_DESTROY
1674 # define	MUTEX_ENTER(x)		;
1675 # define	READ_ENTER(x)		;
1676 # define	WRITE_ENTER(x)		;
1677 # define	MUTEX_DOWNGRADE(x)	;
1678 # define	RWLOCK_INIT(x, y)	;
1679 # define	RWLOCK_EXIT(x)		;
1680 # define	RW_DESTROY(x)		;
1681 # define	MUTEX_EXIT(x)		;
1682 # define	MUTEX_INIT(x,y)		;
1683 # define	MUTEX_DESTROY(x)	;
1684 # define	MUTEX_NUKE(x)		;
1685 #endif /* !USE_MUTEXES */
1686 #ifndef	ATOMIC_INC
1687 # define	ATOMIC_INC(x)		(x)++
1688 # define	ATOMIC_DEC(x)		(x)--
1689 #endif
1690 
1691 #if defined(USE_SPL) && defined(_KERNEL)
1692 # define	SPL_INT(x)	int x
1693 #else
1694 # define	SPL_INT(x)
1695 #endif
1696 
1697 /*
1698  * If there are no atomic operations for bit sizes defined, define them to all
1699  * use a generic one that works for all sizes.
1700  */
1701 #ifndef	ATOMIC_INCL
1702 # define	ATOMIC_INCL		ATOMIC_INC
1703 # define	ATOMIC_INC64		ATOMIC_INC
1704 # define	ATOMIC_INC32		ATOMIC_INC
1705 # define	ATOMIC_INC16		ATOMIC_INC
1706 # define	ATOMIC_DECL		ATOMIC_DEC
1707 # define	ATOMIC_DEC64		ATOMIC_DEC
1708 # define	ATOMIC_DEC32		ATOMIC_DEC
1709 # define	ATOMIC_DEC16		ATOMIC_DEC
1710 #endif
1711 
1712 #ifndef HDR_T_PRIVATE
1713 typedef	struct	tcphdr	tcphdr_t;
1714 typedef	struct	udphdr	udphdr_t;
1715 #endif
1716 typedef	struct	icmp	icmphdr_t;
1717 typedef	struct	ip	ip_t;
1718 typedef	struct	ether_header	ether_header_t;
1719 typedef	struct	tcpiphdr	tcpiphdr_t;
1720 
1721 #ifndef	FR_GROUPLEN
1722 # define	FR_GROUPLEN	16
1723 #endif
1724 
1725 #ifdef offsetof
1726 # undef	offsetof
1727 #endif
1728 #ifndef offsetof
1729 # define offsetof(t,m) (int)((&((t *)0L)->m))
1730 #endif
1731 
1732 /*
1733  * This set of macros has been brought about because on Tru64 it is not
1734  * possible to easily assign or examine values in a structure that are
1735  * bit fields.
1736  */
1737 #ifndef IP_V
1738 # define	IP_V(x)		(x)->ip_v
1739 #endif
1740 #ifndef	IP_V_A
1741 # define	IP_V_A(x,y)	(x)->ip_v = (y)
1742 #endif
1743 #ifndef	IP_HL
1744 # define	IP_HL(x)	(x)->ip_hl
1745 #endif
1746 #ifndef	IP_HL_A
1747 # define	IP_HL_A(x,y)	(x)->ip_hl = (y)
1748 #endif
1749 #ifndef	TCP_X2
1750 # define	TCP_X2(x)	(x)->th_x2
1751 #endif
1752 #ifndef	TCP_X2_A
1753 # define	TCP_X2_A(x,y)	(x)->th_x2 = (y)
1754 #endif
1755 #ifndef	TCP_OFF
1756 # define	TCP_OFF(x)	(x)->th_off
1757 #endif
1758 #ifndef	TCP_OFF_A
1759 # define	TCP_OFF_A(x,y)	(x)->th_off = (y)
1760 #endif
1761 #define	IPMINLEN(i, h)	((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1762 
1763 
1764 /*
1765  * XXX - This is one of those *awful* hacks which nobody likes
1766  */
1767 #ifdef	ultrix
1768 #define	A_A
1769 #else
1770 #define	A_A	&
1771 #endif
1772 
1773 #define	TCPF_ALL	(TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1774 			 TH_ECN|TH_CWR)
1775 
1776 #if (BSD >= 199306) && !defined(m_act)
1777 # define	m_act	m_nextpkt
1778 #endif
1779 
1780 /*
1781  * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1782  *
1783  * Basic Option
1784  *
1785  * 00000001   -   (Reserved 4)
1786  * 00111101   -   Top Secret
1787  * 01011010   -   Secret
1788  * 10010110   -   Confidential
1789  * 01100110   -   (Reserved 3)
1790  * 11001100   -   (Reserved 2)
1791  * 10101011   -   Unclassified
1792  * 11110001   -   (Reserved 1)
1793  */
1794 #define	IPSO_CLASS_RES4		0x01
1795 #define	IPSO_CLASS_TOPS		0x3d
1796 #define	IPSO_CLASS_SECR		0x5a
1797 #define	IPSO_CLASS_CONF		0x96
1798 #define	IPSO_CLASS_RES3		0x66
1799 #define	IPSO_CLASS_RES2		0xcc
1800 #define	IPSO_CLASS_UNCL		0xab
1801 #define	IPSO_CLASS_RES1		0xf1
1802 
1803 #define	IPSO_AUTH_GENSER	0x80
1804 #define	IPSO_AUTH_ESI		0x40
1805 #define	IPSO_AUTH_SCI		0x20
1806 #define	IPSO_AUTH_NSA		0x10
1807 #define	IPSO_AUTH_DOE		0x08
1808 #define	IPSO_AUTH_UN		0x06
1809 #define	IPSO_AUTH_FTE		0x01
1810 
1811 /*
1812  * IP option #defines
1813  */
1814 #undef	IPOPT_RR
1815 #define	IPOPT_RR	7
1816 #undef	IPOPT_ZSU
1817 #define	IPOPT_ZSU	10	/* ZSU */
1818 #undef	IPOPT_MTUP
1819 #define	IPOPT_MTUP	11	/* MTUP */
1820 #undef	IPOPT_MTUR
1821 #define	IPOPT_MTUR	12	/* MTUR */
1822 #undef	IPOPT_ENCODE
1823 #define	IPOPT_ENCODE	15	/* ENCODE */
1824 #undef	IPOPT_TS
1825 #define	IPOPT_TS	68
1826 #undef	IPOPT_TR
1827 #define	IPOPT_TR	82	/* TR */
1828 #undef	IPOPT_SECURITY
1829 #define	IPOPT_SECURITY	130
1830 #undef	IPOPT_LSRR
1831 #define	IPOPT_LSRR	131
1832 #undef	IPOPT_E_SEC
1833 #define	IPOPT_E_SEC	133	/* E-SEC */
1834 #undef	IPOPT_CIPSO
1835 #define	IPOPT_CIPSO	134	/* CIPSO */
1836 #undef	IPOPT_SATID
1837 #define	IPOPT_SATID	136
1838 #ifndef	IPOPT_SID
1839 # define	IPOPT_SID	IPOPT_SATID
1840 #endif
1841 #undef	IPOPT_SSRR
1842 #define	IPOPT_SSRR	137
1843 #undef	IPOPT_ADDEXT
1844 #define	IPOPT_ADDEXT	147	/* ADDEXT */
1845 #undef	IPOPT_VISA
1846 #define	IPOPT_VISA	142	/* VISA */
1847 #undef	IPOPT_IMITD
1848 #define	IPOPT_IMITD	144	/* IMITD */
1849 #undef	IPOPT_EIP
1850 #define	IPOPT_EIP	145	/* EIP */
1851 #undef	IPOPT_RTRALRT
1852 #define	IPOPT_RTRALRT	148	/* RTRALRT */
1853 #undef	IPOPT_SDB
1854 #define	IPOPT_SDB	149
1855 #undef	IPOPT_NSAPA
1856 #define	IPOPT_NSAPA	150
1857 #undef	IPOPT_DPS
1858 #define	IPOPT_DPS	151
1859 #undef	IPOPT_UMP
1860 #define	IPOPT_UMP	152
1861 #undef	IPOPT_FINN
1862 #define	IPOPT_FINN	205	/* FINN */
1863 
1864 #ifndef TCPOPT_EOL
1865 # define TCPOPT_EOL		0
1866 #endif
1867 #ifndef TCPOPT_NOP
1868 # define TCPOPT_NOP		1
1869 #endif
1870 #ifndef TCPOPT_MAXSEG
1871 # define TCPOPT_MAXSEG		2
1872 #endif
1873 #ifndef TCPOLEN_MAXSEG
1874 # define TCPOLEN_MAXSEG		4
1875 #endif
1876 #ifndef TCPOPT_WINDOW
1877 # define TCPOPT_WINDOW		3
1878 #endif
1879 #ifndef TCPOLEN_WINDOW
1880 # define TCPOLEN_WINDOW		3
1881 #endif
1882 #ifndef TCPOPT_SACK_PERMITTED
1883 # define TCPOPT_SACK_PERMITTED	4
1884 #endif
1885 #ifndef TCPOLEN_SACK_PERMITTED
1886 # define TCPOLEN_SACK_PERMITTED	2
1887 #endif
1888 #ifndef TCPOPT_SACK
1889 # define TCPOPT_SACK		5
1890 #endif
1891 #ifndef TCPOPT_TIMESTAMP
1892 # define TCPOPT_TIMESTAMP	8
1893 #endif
1894 
1895 #ifndef	ICMP_MINLEN
1896 # define	ICMP_MINLEN	8
1897 #endif
1898 #ifndef	ICMP_ECHOREPLY
1899 # define	ICMP_ECHOREPLY	0
1900 #endif
1901 #ifndef	ICMP_UNREACH
1902 # define	ICMP_UNREACH	3
1903 #endif
1904 #ifndef	ICMP_UNREACH_NET
1905 # define	ICMP_UNREACH_NET	0
1906 #endif
1907 #ifndef	ICMP_UNREACH_HOST
1908 # define	ICMP_UNREACH_HOST	1
1909 #endif
1910 #ifndef	ICMP_UNREACH_PROTOCOL
1911 # define	ICMP_UNREACH_PROTOCOL	2
1912 #endif
1913 #ifndef	ICMP_UNREACH_PORT
1914 # define	ICMP_UNREACH_PORT	3
1915 #endif
1916 #ifndef	ICMP_UNREACH_NEEDFRAG
1917 # define	ICMP_UNREACH_NEEDFRAG	4
1918 #endif
1919 #ifndef	ICMP_UNREACH_SRCFAIL
1920 # define	ICMP_UNREACH_SRCFAIL	5
1921 #endif
1922 #ifndef	ICMP_UNREACH_NET_UNKNOWN
1923 # define	ICMP_UNREACH_NET_UNKNOWN	6
1924 #endif
1925 #ifndef	ICMP_UNREACH_HOST_UNKNOWN
1926 # define	ICMP_UNREACH_HOST_UNKNOWN	7
1927 #endif
1928 #ifndef	ICMP_UNREACH_ISOLATED
1929 # define	ICMP_UNREACH_ISOLATED	8
1930 #endif
1931 #ifndef	ICMP_UNREACH_NET_PROHIB
1932 # define	ICMP_UNREACH_NET_PROHIB	9
1933 #endif
1934 #ifndef	ICMP_UNREACH_HOST_PROHIB
1935 # define	ICMP_UNREACH_HOST_PROHIB	10
1936 #endif
1937 #ifndef	ICMP_UNREACH_TOSNET
1938 # define	ICMP_UNREACH_TOSNET	11
1939 #endif
1940 #ifndef	ICMP_UNREACH_TOSHOST
1941 # define	ICMP_UNREACH_TOSHOST	12
1942 #endif
1943 #ifndef	ICMP_UNREACH_ADMIN_PROHIBIT
1944 # define	ICMP_UNREACH_ADMIN_PROHIBIT	13
1945 #endif
1946 #ifndef	ICMP_UNREACH_FILTER
1947 # define	ICMP_UNREACH_FILTER	13
1948 #endif
1949 #ifndef	ICMP_UNREACH_HOST_PRECEDENCE
1950 # define	ICMP_UNREACH_HOST_PRECEDENCE	14
1951 #endif
1952 #ifndef	ICMP_UNREACH_PRECEDENCE_CUTOFF
1953 # define	ICMP_UNREACH_PRECEDENCE_CUTOFF	15
1954 #endif
1955 #ifndef	ICMP_SOURCEQUENCH
1956 # define	ICMP_SOURCEQUENCH	4
1957 #endif
1958 #ifndef	ICMP_REDIRECT_NET
1959 # define	ICMP_REDIRECT_NET	0
1960 #endif
1961 #ifndef	ICMP_REDIRECT_HOST
1962 # define	ICMP_REDIRECT_HOST	1
1963 #endif
1964 #ifndef	ICMP_REDIRECT_TOSNET
1965 # define	ICMP_REDIRECT_TOSNET	2
1966 #endif
1967 #ifndef	ICMP_REDIRECT_TOSHOST
1968 # define	ICMP_REDIRECT_TOSHOST	3
1969 #endif
1970 #ifndef	ICMP_ALTHOSTADDR
1971 # define	ICMP_ALTHOSTADDR	6
1972 #endif
1973 #ifndef	ICMP_TIMXCEED
1974 # define	ICMP_TIMXCEED	11
1975 #endif
1976 #ifndef	ICMP_TIMXCEED_INTRANS
1977 # define	ICMP_TIMXCEED_INTRANS	0
1978 #endif
1979 #ifndef	ICMP_TIMXCEED_REASS
1980 # define		ICMP_TIMXCEED_REASS	1
1981 #endif
1982 #ifndef	ICMP_PARAMPROB
1983 # define	ICMP_PARAMPROB	12
1984 #endif
1985 #ifndef	ICMP_PARAMPROB_ERRATPTR
1986 # define	ICMP_PARAMPROB_ERRATPTR	0
1987 #endif
1988 #ifndef	ICMP_PARAMPROB_OPTABSENT
1989 # define	ICMP_PARAMPROB_OPTABSENT	1
1990 #endif
1991 #ifndef	ICMP_PARAMPROB_LENGTH
1992 # define	ICMP_PARAMPROB_LENGTH	2
1993 #endif
1994 #ifndef ICMP_TSTAMP
1995 # define	ICMP_TSTAMP	13
1996 #endif
1997 #ifndef ICMP_TSTAMPREPLY
1998 # define	ICMP_TSTAMPREPLY	14
1999 #endif
2000 #ifndef ICMP_IREQ
2001 # define	ICMP_IREQ	15
2002 #endif
2003 #ifndef ICMP_IREQREPLY
2004 # define	ICMP_IREQREPLY	16
2005 #endif
2006 #ifndef	ICMP_MASKREQ
2007 # define	ICMP_MASKREQ	17
2008 #endif
2009 #ifndef ICMP_MASKREPLY
2010 # define	ICMP_MASKREPLY	18
2011 #endif
2012 #ifndef	ICMP_TRACEROUTE
2013 # define	ICMP_TRACEROUTE	30
2014 #endif
2015 #ifndef	ICMP_DATACONVERR
2016 # define	ICMP_DATACONVERR	31
2017 #endif
2018 #ifndef	ICMP_MOBILE_REDIRECT
2019 # define	ICMP_MOBILE_REDIRECT	32
2020 #endif
2021 #ifndef	ICMP_IPV6_WHEREAREYOU
2022 # define	ICMP_IPV6_WHEREAREYOU	33
2023 #endif
2024 #ifndef	ICMP_IPV6_IAMHERE
2025 # define	ICMP_IPV6_IAMHERE	34
2026 #endif
2027 #ifndef	ICMP_MOBILE_REGREQUEST
2028 # define	ICMP_MOBILE_REGREQUEST	35
2029 #endif
2030 #ifndef	ICMP_MOBILE_REGREPLY
2031 # define	ICMP_MOBILE_REGREPLY	36
2032 #endif
2033 #ifndef	ICMP_SKIP
2034 # define	ICMP_SKIP	39
2035 #endif
2036 #ifndef	ICMP_PHOTURIS
2037 # define	ICMP_PHOTURIS	40
2038 #endif
2039 #ifndef	ICMP_PHOTURIS_UNKNOWN_INDEX
2040 # define	ICMP_PHOTURIS_UNKNOWN_INDEX	1
2041 #endif
2042 #ifndef	ICMP_PHOTURIS_AUTH_FAILED
2043 # define	ICMP_PHOTURIS_AUTH_FAILED	2
2044 #endif
2045 #ifndef	ICMP_PHOTURIS_DECRYPT_FAILED
2046 # define	ICMP_PHOTURIS_DECRYPT_FAILED	3
2047 #endif
2048 #ifndef	IPVERSION
2049 # define	IPVERSION	4
2050 #endif
2051 #ifndef	IPOPT_MINOFF
2052 # define	IPOPT_MINOFF	4
2053 #endif
2054 #ifndef	IPOPT_COPIED
2055 # define	IPOPT_COPIED(x)	((x)&0x80)
2056 #endif
2057 #ifndef	IPOPT_EOL
2058 # define	IPOPT_EOL	0
2059 #endif
2060 #ifndef	IPOPT_NOP
2061 # define	IPOPT_NOP	1
2062 #endif
2063 #ifndef	IP_MF
2064 # define	IP_MF	((u_short)0x2000)
2065 #endif
2066 #ifndef	ETHERTYPE_IP
2067 # define	ETHERTYPE_IP	((u_short)0x0800)
2068 #endif
2069 #ifndef	TH_FIN
2070 # define	TH_FIN	0x01
2071 #endif
2072 #ifndef	TH_SYN
2073 # define	TH_SYN	0x02
2074 #endif
2075 #ifndef	TH_RST
2076 # define	TH_RST	0x04
2077 #endif
2078 #ifndef	TH_PUSH
2079 # define	TH_PUSH	0x08
2080 #endif
2081 #ifndef	TH_ACK
2082 # define	TH_ACK	0x10
2083 #endif
2084 #ifndef	TH_URG
2085 # define	TH_URG	0x20
2086 #endif
2087 #undef	TH_ACKMASK
2088 #define	TH_ACKMASK	(TH_FIN|TH_SYN|TH_RST|TH_ACK)
2089 
2090 #ifndef	IPOPT_EOL
2091 # define	IPOPT_EOL	0
2092 #endif
2093 #ifndef	IPOPT_NOP
2094 # define	IPOPT_NOP	1
2095 #endif
2096 #ifndef	IPOPT_RR
2097 # define	IPOPT_RR	7
2098 #endif
2099 #ifndef	IPOPT_TS
2100 # define	IPOPT_TS	68
2101 #endif
2102 #ifndef	IPOPT_SECURITY
2103 # define	IPOPT_SECURITY	130
2104 #endif
2105 #ifndef	IPOPT_LSRR
2106 # define	IPOPT_LSRR	131
2107 #endif
2108 #ifndef	IPOPT_SATID
2109 # define	IPOPT_SATID	136
2110 #endif
2111 #ifndef	IPOPT_SSRR
2112 # define	IPOPT_SSRR	137
2113 #endif
2114 #ifndef	IPOPT_SECUR_UNCLASS
2115 # define	IPOPT_SECUR_UNCLASS	((u_short)0x0000)
2116 #endif
2117 #ifndef	IPOPT_SECUR_CONFID
2118 # define	IPOPT_SECUR_CONFID	((u_short)0xf135)
2119 #endif
2120 #ifndef	IPOPT_SECUR_EFTO
2121 # define	IPOPT_SECUR_EFTO	((u_short)0x789a)
2122 #endif
2123 #ifndef	IPOPT_SECUR_MMMM
2124 # define	IPOPT_SECUR_MMMM	((u_short)0xbc4d)
2125 #endif
2126 #ifndef	IPOPT_SECUR_RESTR
2127 # define	IPOPT_SECUR_RESTR	((u_short)0xaf13)
2128 #endif
2129 #ifndef	IPOPT_SECUR_SECRET
2130 # define	IPOPT_SECUR_SECRET	((u_short)0xd788)
2131 #endif
2132 #ifndef IPOPT_SECUR_TOPSECRET
2133 # define	IPOPT_SECUR_TOPSECRET	((u_short)0x6bc5)
2134 #endif
2135 #ifndef IPOPT_OLEN
2136 # define	IPOPT_OLEN	1
2137 #endif
2138 #ifndef	IPPROTO_HOPOPTS
2139 # define	IPPROTO_HOPOPTS	0
2140 #endif
2141 #ifndef	IPPROTO_ENCAP
2142 # define	IPPROTO_ENCAP	4
2143 #endif
2144 #ifndef	IPPROTO_IPV6
2145 # define	IPPROTO_IPV6	41
2146 #endif
2147 #ifndef	IPPROTO_ROUTING
2148 # define	IPPROTO_ROUTING	43
2149 #endif
2150 #ifndef	IPPROTO_FRAGMENT
2151 # define	IPPROTO_FRAGMENT	44
2152 #endif
2153 #ifndef	IPPROTO_GRE
2154 # define	IPPROTO_GRE	47	/* GRE encaps RFC 1701 */
2155 #endif
2156 #ifndef	IPPROTO_ESP
2157 # define	IPPROTO_ESP	50
2158 #endif
2159 #ifndef	IPPROTO_AH
2160 # define	IPPROTO_AH	51
2161 #endif
2162 #ifndef	IPPROTO_ICMPV6
2163 # define	IPPROTO_ICMPV6	58
2164 #endif
2165 #ifndef	IPPROTO_NONE
2166 # define	IPPROTO_NONE	59
2167 #endif
2168 #ifndef	IPPROTO_DSTOPTS
2169 # define	IPPROTO_DSTOPTS	60
2170 #endif
2171 #ifndef	IPPROTO_FRAGMENT
2172 # define	IPPROTO_FRAGMENT	44
2173 #endif
2174 #ifndef	ICMP_ROUTERADVERT
2175 # define	ICMP_ROUTERADVERT	9
2176 #endif
2177 #ifndef	ICMP_ROUTERSOLICIT
2178 # define	ICMP_ROUTERSOLICIT	10
2179 #endif
2180 #ifndef	ICMP6_DST_UNREACH
2181 # define	ICMP6_DST_UNREACH	1
2182 #endif
2183 #ifndef	ICMP6_PACKET_TOO_BIG
2184 # define	ICMP6_PACKET_TOO_BIG	2
2185 #endif
2186 #ifndef	ICMP6_TIME_EXCEEDED
2187 # define	ICMP6_TIME_EXCEEDED	3
2188 #endif
2189 #ifndef	ICMP6_PARAM_PROB
2190 # define	ICMP6_PARAM_PROB	4
2191 #endif
2192 
2193 #ifndef	ICMP6_ECHO_REQUEST
2194 # define	ICMP6_ECHO_REQUEST	128
2195 #endif
2196 #ifndef	ICMP6_ECHO_REPLY
2197 # define	ICMP6_ECHO_REPLY	129
2198 #endif
2199 #ifndef	ICMP6_MEMBERSHIP_QUERY
2200 # define	ICMP6_MEMBERSHIP_QUERY	130
2201 #endif
2202 #ifndef	MLD6_LISTENER_QUERY
2203 # define	MLD6_LISTENER_QUERY	130
2204 #endif
2205 #ifndef	ICMP6_MEMBERSHIP_REPORT
2206 # define	ICMP6_MEMBERSHIP_REPORT	131
2207 #endif
2208 #ifndef	MLD6_LISTENER_REPORT
2209 # define	MLD6_LISTENER_REPORT	131
2210 #endif
2211 #ifndef	ICMP6_MEMBERSHIP_REDUCTION
2212 # define	ICMP6_MEMBERSHIP_REDUCTION	132
2213 #endif
2214 #ifndef	MLD6_LISTENER_DONE
2215 # define	MLD6_LISTENER_DONE	132
2216 #endif
2217 #ifndef	ND_ROUTER_SOLICIT
2218 # define	ND_ROUTER_SOLICIT	133
2219 #endif
2220 #ifndef	ND_ROUTER_ADVERT
2221 # define	ND_ROUTER_ADVERT	134
2222 #endif
2223 #ifndef	ND_NEIGHBOR_SOLICIT
2224 # define	ND_NEIGHBOR_SOLICIT	135
2225 #endif
2226 #ifndef	ND_NEIGHBOR_ADVERT
2227 # define	ND_NEIGHBOR_ADVERT	136
2228 #endif
2229 #ifndef	ND_REDIRECT
2230 # define	ND_REDIRECT	137
2231 #endif
2232 #ifndef	ICMP6_ROUTER_RENUMBERING
2233 # define	ICMP6_ROUTER_RENUMBERING	138
2234 #endif
2235 #ifndef	ICMP6_WRUREQUEST
2236 # define	ICMP6_WRUREQUEST	139
2237 #endif
2238 #ifndef	ICMP6_WRUREPLY
2239 # define	ICMP6_WRUREPLY		140
2240 #endif
2241 #ifndef	ICMP6_FQDN_QUERY
2242 # define	ICMP6_FQDN_QUERY	139
2243 #endif
2244 #ifndef	ICMP6_FQDN_REPLY
2245 # define	ICMP6_FQDN_REPLY	140
2246 #endif
2247 #ifndef	ICMP6_NI_QUERY
2248 # define	ICMP6_NI_QUERY		139
2249 #endif
2250 #ifndef	ICMP6_NI_REPLY
2251 # define	ICMP6_NI_REPLY		140
2252 #endif
2253 #ifndef	MLD6_MTRACE_RESP
2254 # define	MLD6_MTRACE_RESP	200
2255 #endif
2256 #ifndef	MLD6_MTRACE
2257 # define	MLD6_MTRACE		201
2258 #endif
2259 #ifndef	ICMP6_HADISCOV_REQUEST
2260 # define	ICMP6_HADISCOV_REQUEST	202
2261 #endif
2262 #ifndef	ICMP6_HADISCOV_REPLY
2263 # define	ICMP6_HADISCOV_REPLY	203
2264 #endif
2265 #ifndef	ICMP6_MOBILEPREFIX_SOLICIT
2266 # define	ICMP6_MOBILEPREFIX_SOLICIT	204
2267 #endif
2268 #ifndef	ICMP6_MOBILEPREFIX_ADVERT
2269 # define	ICMP6_MOBILEPREFIX_ADVERT	205
2270 #endif
2271 #ifndef	ICMP6_MAXTYPE
2272 # define	ICMP6_MAXTYPE		205
2273 #endif
2274 
2275 #ifndef	ICMP6_DST_UNREACH_NOROUTE
2276 # define	ICMP6_DST_UNREACH_NOROUTE	0
2277 #endif
2278 #ifndef	ICMP6_DST_UNREACH_ADMIN
2279 # define	ICMP6_DST_UNREACH_ADMIN		1
2280 #endif
2281 #ifndef	ICMP6_DST_UNREACH_NOTNEIGHBOR
2282 # define	ICMP6_DST_UNREACH_NOTNEIGHBOR	2
2283 #endif
2284 #ifndef	ICMP6_DST_UNREACH_BEYONDSCOPE
2285 # define	ICMP6_DST_UNREACH_BEYONDSCOPE	2
2286 #endif
2287 #ifndef	ICMP6_DST_UNREACH_ADDR
2288 # define	ICMP6_DST_UNREACH_ADDR		3
2289 #endif
2290 #ifndef	ICMP6_DST_UNREACH_NOPORT
2291 # define	ICMP6_DST_UNREACH_NOPORT	4
2292 #endif
2293 #ifndef	ICMP6_TIME_EXCEED_TRANSIT
2294 # define	ICMP6_TIME_EXCEED_TRANSIT	0
2295 #endif
2296 #ifndef	ICMP6_TIME_EXCEED_REASSEMBLY
2297 # define	ICMP6_TIME_EXCEED_REASSEMBLY	1
2298 #endif
2299 
2300 #ifndef	ICMP6_NI_SUCCESS
2301 # define	ICMP6_NI_SUCCESS	0
2302 #endif
2303 #ifndef	ICMP6_NI_REFUSED
2304 # define	ICMP6_NI_REFUSED	1
2305 #endif
2306 #ifndef	ICMP6_NI_UNKNOWN
2307 # define	ICMP6_NI_UNKNOWN	2
2308 #endif
2309 
2310 #ifndef	ICMP6_ROUTER_RENUMBERING_COMMAND
2311 # define	ICMP6_ROUTER_RENUMBERING_COMMAND	0
2312 #endif
2313 #ifndef	ICMP6_ROUTER_RENUMBERING_RESULT
2314 # define	ICMP6_ROUTER_RENUMBERING_RESULT	1
2315 #endif
2316 #ifndef	ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2317 # define	ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET	255
2318 #endif
2319 
2320 #ifndef	ICMP6_PARAMPROB_HEADER
2321 # define	ICMP6_PARAMPROB_HEADER	0
2322 #endif
2323 #ifndef	ICMP6_PARAMPROB_NEXTHEADER
2324 # define	ICMP6_PARAMPROB_NEXTHEADER	1
2325 #endif
2326 #ifndef	ICMP6_PARAMPROB_OPTION
2327 # define	ICMP6_PARAMPROB_OPTION	2
2328 #endif
2329 
2330 #ifndef	ICMP6_NI_SUBJ_IPV6
2331 # define	ICMP6_NI_SUBJ_IPV6	0
2332 #endif
2333 #ifndef	ICMP6_NI_SUBJ_FQDN
2334 # define	ICMP6_NI_SUBJ_FQDN	1
2335 #endif
2336 #ifndef	ICMP6_NI_SUBJ_IPV4
2337 # define	ICMP6_NI_SUBJ_IPV4	2
2338 #endif
2339 
2340 /*
2341  * ECN is a new addition to TCP - RFC 2481
2342  */
2343 #ifndef TH_ECN
2344 # define	TH_ECN	0x40
2345 #endif
2346 #ifndef TH_CWR
2347 # define	TH_CWR	0x80
2348 #endif
2349 #define	TH_ECNALL	(TH_ECN|TH_CWR)
2350 
2351 /*
2352  * TCP States
2353  */
2354 #define IPF_TCPS_CLOSED		0	/* closed */
2355 #define IPF_TCPS_LISTEN		1	/* listening for connection */
2356 #define IPF_TCPS_SYN_SENT	2	/* active, have sent syn */
2357 #define IPF_TCPS_SYN_RECEIVED	3	/* have send and received syn */
2358 #define IPF_TCPS_HALF_ESTAB	4	/* for connections not fully "up" */
2359 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2360 #define IPF_TCPS_ESTABLISHED	5	/* established */
2361 #define IPF_TCPS_CLOSE_WAIT	6	/* rcvd fin, waiting for close */
2362 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2363 #define IPF_TCPS_FIN_WAIT_1	7	/* have closed, sent fin */
2364 #define IPF_TCPS_CLOSING	8	/* closed xchd FIN; await FIN ACK */
2365 #define IPF_TCPS_LAST_ACK	9	/* had fin and close; await FIN ACK */
2366 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2367 #define IPF_TCPS_FIN_WAIT_2	10	/* have closed, fin is acked */
2368 #define IPF_TCPS_TIME_WAIT	11	/* in 2*msl quiet wait after close */
2369 #define IPF_TCP_NSTATES		12
2370 
2371 #define	TCP_MSL			120
2372 
2373 #undef	ICMP_MAX_UNREACH
2374 #define	ICMP_MAX_UNREACH	14
2375 #undef	ICMP_MAXTYPE
2376 #define	ICMP_MAXTYPE		18
2377 
2378 #ifndef	IFNAMSIZ
2379 #define	IFNAMSIZ		16
2380 #endif
2381 
2382 #ifndef	LOG_FTP
2383 # define	LOG_FTP		(11<<3)
2384 #endif
2385 #ifndef	LOG_AUTHPRIV
2386 # define	LOG_AUTHPRIV	(10<<3)
2387 #endif
2388 #ifndef	LOG_AUDIT
2389 # define	LOG_AUDIT	(13<<3)
2390 #endif
2391 #ifndef	LOG_NTP
2392 # define	LOG_NTP		(12<<3)
2393 #endif
2394 #ifndef	LOG_SECURITY
2395 # define	LOG_SECURITY	(13<<3)
2396 #endif
2397 #ifndef	LOG_LFMT
2398 # define	LOG_LFMT	(14<<3)
2399 #endif
2400 #ifndef	LOG_CONSOLE
2401 # define	LOG_CONSOLE	(14<<3)
2402 #endif
2403 
2404 /*
2405  * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2406  * another IP header and then 64 bits of data, totalling 56.  Of course,
2407  * the last 64 bits is dependent on that being available.
2408  */
2409 #define	ICMPERR_ICMPHLEN	8
2410 #define	ICMPERR_IPICMPHLEN	(20 + 8)
2411 #define	ICMPERR_MINPKTLEN	(20 + 8 + 20)
2412 #define	ICMPERR_MAXPKTLEN	(20 + 8 + 20 + 8)
2413 #define ICMP6ERR_MINPKTLEN	(40 + 8)
2414 #define ICMP6ERR_IPICMPHLEN	(40 + 8 + 40)
2415 
2416 #ifndef MIN
2417 # define	MIN(a,b)	(((a)<(b))?(a):(b))
2418 #endif
2419 
2420 #ifdef IPF_DEBUG
2421 # define	DPRINT(x)	printf x
2422 #else
2423 # define	DPRINT(x)
2424 #endif
2425 
2426 #ifdef RESCUE
2427 # undef IPFILTER_BPF
2428 #endif
2429 
2430 #endif	/* __IP_COMPAT_H__ */
2431