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ip_compat.h (139255) ip_compat.h (145522)
1/* $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145522 2005-04-25 18:43:14Z darrenr $ */
2
1/*
3/*
2 * Copyright (C) 1993-2001 by Darren Reed.
4 * 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
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * @(#)ip_compat.h 1.8 1/14/96
7 * $Id: ip_compat.h,v 2.26.2.9 2001/01/14 14:58:01 darrenr Exp $
8 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 139255 2004-12-24 09:14:26Z darrenr $
9 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145522 2005-04-25 18:43:14Z darrenr $
10 * Id: ip_compat.h,v 2.142.2.25 2005/03/28 09:33:36 darrenr Exp
9 */
10
11#ifndef __IP_COMPAT_H__
12#define __IP_COMPAT_H__
13
14#ifndef __P
15# ifdef __STDC__
16# define __P(x) x
17# else
18# define __P(x) ()
19# endif
20#endif
21#ifndef __STDC__
22# undef const
23# define const
24#endif
25
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
26#ifndef SOLARIS
27#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
28#endif
29#if SOLARIS
30# if !defined(SOLARIS2)
31# define SOLARIS2 3 /* Pick an old version */
32# endif
33# if SOLARIS2 >= 8
34# ifndef USE_INET6
35# define USE_INET6
36# endif
37# else
38# undef USE_INET6
39# endif
40#endif
41#if defined(sun) && !(defined(__svr4__) || defined(__SVR4))
42# undef USE_INET6
43#endif
44
45#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
46# undef KERNEL
47# undef _KERNEL
48# undef __KERNEL__
49# define KERNEL
50# define _KERNEL
51# define __KERNEL__
52#endif
53
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
54#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
73#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
55#define index strchr
56# if !defined(KERNEL)
74# define index strchr
75# if !defined(_KERNEL)
57# define bzero(a,b) memset(a,0,b)
58# define bcmp memcmp
59# define bcopy(a,b,c) memmove(b,a,c)
60# endif
61#endif
62
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
63#ifndef offsetof
64#define offsetof(t,m) (int)((&((t *)0L)->m))
65#endif
66
67#if defined(__sgi) || defined(bsdi)
68struct ether_addr {
69 u_char ether_addr_octet[6];
70};
71#endif
72
73#ifndef LIFNAMSIZ
74# ifdef IF_NAMESIZE
82#ifndef LIFNAMSIZ
83# ifdef IF_NAMESIZE
75# define LIFNAMSIZ IF_NAMESIZE
76# else
77# ifdef IFNAMSIZ
78# define LIFNAMSIZ IFNAMSIZ
79# else
80# define LIFNAMSIZ 16
81# endif
82# endif
83#endif
84
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
85#if defined(__sgi) && !defined(IPFILTER_LKM)
86# ifdef __STDC__
87# define IPL_EXTERN(ep) ipfilter##ep
88# else
89# define IPL_EXTERN(ep) ipfilter/**/ep
90# endif
91#else
92# ifdef __STDC__
93# define IPL_EXTERN(ep) ipl##ep
94# else
95# define IPL_EXTERN(ep) ipl/**/ep
96# endif
97#endif
98
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
99#ifdef __sgi
100# include <sys/debug.h>
101#endif
102
103#ifdef linux
104# include <sys/sysmacros.h>
105#endif
106
107/*
108 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
109 */
114/*
115 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
116 */
110#ifndef _KERNEL
111# define ADD_KERNEL
112# define _KERNEL
113# define KERNEL
114#endif
115#ifdef __OpenBSD__
117#ifndef linux
118# ifndef _KERNEL
119# define ADD_KERNEL
120# define _KERNEL
121# define KERNEL
122# endif
123# ifdef __OpenBSD__
116struct file;
124struct file;
125# endif
126# include <sys/uio.h>
127# ifdef ADD_KERNEL
128# undef _KERNEL
129# undef KERNEL
130# endif
117#endif
131#endif
118#include <sys/uio.h>
119#ifdef ADD_KERNEL
120# undef _KERNEL
121# undef KERNEL
122#endif
123
132
124#if SOLARIS
125# define MTYPE(m) ((m)->b_datap->db_type)
126# if SOLARIS2 >= 4
127# include <sys/isa_defs.h>
128# endif
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>
129# include <sys/ioccom.h>
130# include <sys/sysmacros.h>
131# include <sys/kmem.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
132/*
133 * because Solaris 2 defines these in two places :-/
134 */
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> */
135# undef IPOPT_EOL
136# undef IPOPT_NOP
137# undef IPOPT_LSRR
138# undef IPOPT_RR
139# undef IPOPT_SSRR
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>
140# ifndef KERNEL
177# ifndef KERNEL
141# define _KERNEL
142# undef RES_INIT
143# if SOLARIS2 >= 8
144# include <netinet/ip6.h>
145# endif
146# include <inet/common.h>
147# include <inet/ip.h>
148# include <inet/ip_ire.h>
149# undef _KERNEL
178# undef _KERNEL
150# else /* _KERNEL */
151# if SOLARIS2 >= 8
152# include <netinet/ip6.h>
153# endif
154# include <inet/common.h>
155# include <inet/ip.h>
156# include <inet/ip_ire.h>
157# endif /* _KERNEL */
179# endif
158# if SOLARIS2 >= 8
180# if SOLARIS2 >= 8
181# define SNPRINTF snprintf
182
159# include <inet/ip_if.h>
183# include <inet/ip_if.h>
160# include <netinet/ip6.h>
161# define ipif_local_addr ipif_lcl_addr
162/* Only defined in private include file */
163# ifndef V4_PART_OF_V6
164# define V4_PART_OF_V6(v6) v6.s6_addr32[3]
165# endif
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;
166# endif
200# endif
167# define M_BLEN(m) ((m)->b_wptr - (m)->b_rptr)
201# define U_32_T 1
168
202
169typedef struct qif {
170 struct qif *qf_next;
171 ill_t *qf_ill;
172 kmutex_t qf_lock;
173 void *qf_iptr;
174 void *qf_optr;
175 queue_t *qf_in;
176 queue_t *qf_out;
177 void *qf_data; /* layer 3 header pointer */
178 struct qinit *qf_wqinfo;
179 struct qinit *qf_rqinfo;
180 struct qinit qf_wqinit;
181 struct qinit qf_rqinit;
182 mblk_t *qf_m; /* These three fields are for passing data up from */
183 queue_t *qf_q; /* fr_qin and fr_qout to the packet processing. */
184 size_t qf_off;
185 size_t qf_len; /* this field is used for in ipfr_fastroute */
186 char qf_name[LIFNAMSIZ];
187 /*
188 * in case the ILL has disappeared...
189 */
190 size_t qf_hl; /* header length */
191 int qf_sap;
192# if SOLARIS2 >= 8
193 int qf_tunoff; /* tunnel offset */
194#endif
195 size_t qf_incnt;
196 size_t qf_outcnt;
197} qif_t;
198#else /* SOLARIS */
199# if !defined(__sgi)
200typedef int minor_t;
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
201# 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
202#endif /* SOLARIS */
298#endif /* SOLARIS */
203#define IPMINLEN(i, h) ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
204
299
205#ifndef IP_OFFMASK
206#define IP_OFFMASK 0x1fff
207#endif
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
208
315
209#if BSD > 199306
210# define USE_QUAD_T
211# define U_QUAD_T u_quad_t
212# define QUAD_T quad_t
213#else /* BSD > 199306 */
214# define U_QUAD_T u_long
215# define QUAD_T long
216#endif /* BSD > 199306 */
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
217
324
325typedef struct iplog_select_s {
326 kthread_t *read_waiter;
327 int state;
328} iplog_select_t;
329# endif
330# endif
218
331
219#if defined(__FreeBSD__) && (defined(KERNEL) || defined(_KERNEL))
220# include <sys/param.h>
221# ifndef __FreeBSD_version
222# ifdef IPFILTER_LKM
223# include <osreldate.h>
332# define GETKTIME(x) uniqtime((struct timeval *)x)
333
334# if HPUXREV == 1111
335# include "kern_svcs.h"
224# else
336# else
225# include <sys/osreldate.h>
337# include <sys/kern_svcs.h>
226# endif
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)
227# endif
485# endif
228# ifdef IPFILTER_LKM
229# define ACTUALLY_LKM_NOT_KERNEL
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;
230# endif
504# endif
231# if defined(__FreeBSD_version) && (__FreeBSD_version < 300000)
232# include <machine/spl.h>
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
233# else
525# else
234# if (__FreeBSD_version >= 300000) && (__FreeBSD_version < 400000)
235# if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
236# define ACTUALLY_LKM_NOT_KERNEL
237# endif
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);
238# endif
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)
239# endif
693# endif
240#endif /* __FreeBSD__ && KERNEL */
241
694
242#if defined(__FreeBSD_version) && (__FreeBSD_version >= 500000) && \
243 defined(_KERNEL)
244# include <machine/in_cksum.h>
245#endif
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
246
701
702struct ip6_ext {
703 u_char ip6e_nxt;
704 u_char ip6e_len;
705};
706
707typedef int ioctlcmd_t;
247/*
708/*
248 * These operating systems already take care of the problem for us.
709 * Really, any arch where sizeof(long) != sizeof(int).
249 */
710 */
250#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
251 defined(__sgi)
252typedef u_int32_t u_32_t;
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__
253# if defined(_KERNEL) && !defined(IPFILTER_LKM)
721# if defined(_KERNEL) && !defined(IPFILTER_LKM)
722# include "bpfilter.h"
254# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
255# include "opt_inet.h"
256# endif
723# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
724# include "opt_inet.h"
725# endif
257# if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
258 !defined(KLD_MODULE)
259# include "opt_inet6.h"
260# endif
261# ifdef INET6
726# ifdef INET6
262# define USE_INET6
263# endif
727# define USE_INET6
728# endif
729# if (__NetBSD_Version__ >= 105000000)
730# define HAVE_M_PULLDOWN 1
731# endif
264# endif
732# endif
265# if !defined(_KERNEL) && !defined(IPFILTER_LKM) && !defined(USE_INET6)
266# if (defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
267 !defined(NOINET6)) || \
268 (defined(OpenBSD) && (OpenBSD >= 200111)) || \
269 (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000))
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)
270# define USE_INET6
271# endif
272# endif
782# define USE_INET6
783# endif
784# endif
273#else
785
786# if defined(_KERNEL)
787# if (__FreeBSD_version >= 400000)
274/*
788/*
275 * Really, any arch where sizeof(long) != sizeof(int).
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.
276 */
791 */
277# if defined(__alpha__) || defined(__alpha) || defined(_LP64)
278typedef unsigned int u_32_t;
279# else
280# if SOLARIS2 >= 6
281typedef uint32_t u_32_t;
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
282# else
818# else
283typedef unsigned int u_32_t;
819# define KRWLOCK_T struct sx
284# endif
285# endif
820# endif
821# endif
286#endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
287
822
288#ifdef USE_INET6
289# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
290# include <netinet/ip6.h>
291# ifdef _KERNEL
292# include <netinet6/ip6_var.h>
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>
293# endif
845# endif
294typedef struct ip6_hdr ip6_t;
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
295# endif
918# endif
296# include <netinet/icmp6.h>
297union i6addr {
298 u_32_t i6[4];
299 struct in_addr in4;
300 struct in6_addr in6;
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;
301};
1068};
302#else
303union i6addr {
304 u_32_t i6[4];
305 struct in_addr in4;
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 {
306};
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
307#endif
308
1207#endif
1208
309#define IP6CMP(a,b) bcmp((char *)&(a), (char *)&(b), sizeof(a))
310#define IP6EQ(a,b) (bcmp((char *)&(a), (char *)&(b), sizeof(a)) == 0)
311#define IP6NEQ(a,b) (bcmp((char *)&(a), (char *)&(b), sizeof(a)) != 0)
312#define IP6_ISZERO(a) ((((union i6addr *)(a))->i6[0] | \
313 ((union i6addr *)(a))->i6[1] | \
314 ((union i6addr *)(a))->i6[2] | \
315 ((union i6addr *)(a))->i6[3]) == 0)
316#define IP6_NOTZERO(a) ((((union i6addr *)(a))->i6[0] | \
317 ((union i6addr *)(a))->i6[1] | \
318 ((union i6addr *)(a))->i6[2] | \
319 ((union i6addr *)(a))->i6[3]) != 0)
320
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 u_quad_t
1395# define QUAD_T quad_t
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
321#ifndef MAX
1416#ifndef MAX
322#define MAX(a,b) (((a) > (b)) ? (a) : (b))
1417# define MAX(a,b) (((a) > (b)) ? (a) : (b))
323#endif
324
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
325/*
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/*
326 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
327 *
328 * Basic Option
329 *
330 * 00000001 - (Reserved 4)
331 * 00111101 - Top Secret
332 * 01011010 - Secret
333 * 10010110 - Confidential

--- 17 unchanged lines hidden (view full) ---

351#define IPSO_AUTH_NSA 0x10
352#define IPSO_AUTH_DOE 0x08
353#define IPSO_AUTH_UN 0x06
354#define IPSO_AUTH_FTE 0x01
355
356/*
357 * IP option #defines
358 */
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

--- 17 unchanged lines hidden (view full) ---

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 */
359/*#define IPOPT_RR 7 */
1684#undef IPOPT_RR
1685#define IPOPT_RR 7
1686#undef IPOPT_ZSU
360#define IPOPT_ZSU 10 /* ZSU */
1687#define IPOPT_ZSU 10 /* ZSU */
1688#undef IPOPT_MTUP
361#define IPOPT_MTUP 11 /* MTUP */
1689#define IPOPT_MTUP 11 /* MTUP */
1690#undef IPOPT_MTUR
362#define IPOPT_MTUR 12 /* MTUR */
1691#define IPOPT_MTUR 12 /* MTUR */
1692#undef IPOPT_ENCODE
363#define IPOPT_ENCODE 15 /* ENCODE */
1693#define IPOPT_ENCODE 15 /* ENCODE */
364/*#define IPOPT_TS 68 */
1694#undef IPOPT_TS
1695#define IPOPT_TS 68
1696#undef IPOPT_TR
365#define IPOPT_TR 82 /* TR */
1697#define IPOPT_TR 82 /* TR */
366/*#define IPOPT_SECURITY 130 */
367/*#define IPOPT_LSRR 131 */
1698#undef IPOPT_SECURITY
1699#define IPOPT_SECURITY 130
1700#undef IPOPT_LSRR
1701#define IPOPT_LSRR 131
1702#undef IPOPT_E_SEC
368#define IPOPT_E_SEC 133 /* E-SEC */
1703#define IPOPT_E_SEC 133 /* E-SEC */
1704#undef IPOPT_CIPSO
369#define IPOPT_CIPSO 134 /* CIPSO */
1705#define IPOPT_CIPSO 134 /* CIPSO */
370/*#define IPOPT_SATID 136 */
1706#undef IPOPT_SATID
1707#define IPOPT_SATID 136
371#ifndef IPOPT_SID
372# define IPOPT_SID IPOPT_SATID
373#endif
1708#ifndef IPOPT_SID
1709# define IPOPT_SID IPOPT_SATID
1710#endif
374/*#define IPOPT_SSRR 137 */
1711#undef IPOPT_SSRR
1712#define IPOPT_SSRR 137
1713#undef IPOPT_ADDEXT
375#define IPOPT_ADDEXT 147 /* ADDEXT */
1714#define IPOPT_ADDEXT 147 /* ADDEXT */
1715#undef IPOPT_VISA
376#define IPOPT_VISA 142 /* VISA */
1716#define IPOPT_VISA 142 /* VISA */
1717#undef IPOPT_IMITD
377#define IPOPT_IMITD 144 /* IMITD */
1718#define IPOPT_IMITD 144 /* IMITD */
1719#undef IPOPT_EIP
378#define IPOPT_EIP 145 /* 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
379#define IPOPT_FINN 205 /* FINN */
380
1732#define IPOPT_FINN 205 /* FINN */
1733
381#ifndef TCPOPT_WSCALE
382# define TCPOPT_WSCALE 3
1734#ifndef TCPOPT_EOL
1735# define TCPOPT_EOL 0
383#endif
1736#endif
384
385/*
386 * Build some macros and #defines to enable the same code to compile anywhere
387 * Well, that's the idea, anyway :-)
388 */
389#if SOLARIS
390typedef mblk_t mb_t;
391# if SOLARIS2 >= 7
392# ifdef lint
393# define ALIGN32(ptr) (ptr ? 0L : 0L)
394# define ALIGN16(ptr) (ptr ? 0L : 0L)
395# else
396# define ALIGN32(ptr) (ptr)
397# define ALIGN16(ptr) (ptr)
398# endif
399# endif
400#else
401typedef struct mbuf mb_t;
402#endif /* SOLARIS */
403
404#if !SOLARIS || (SOLARIS2 < 6) || !defined(KERNEL)
405# define ATOMIC_INCL ATOMIC_INC
406# define ATOMIC_INC64 ATOMIC_INC
407# define ATOMIC_INC32 ATOMIC_INC
408# define ATOMIC_INC16 ATOMIC_INC
409# define ATOMIC_DECL ATOMIC_DEC
410# define ATOMIC_DEC64 ATOMIC_DEC
411# define ATOMIC_DEC32 ATOMIC_DEC
412# define ATOMIC_DEC16 ATOMIC_DEC
1737#ifndef TCPOPT_NOP
1738# define TCPOPT_NOP 1
413#endif
1739#endif
414#ifdef __sgi
415# define hz HZ
416# include <sys/ksynch.h>
417# define IPF_LOCK_PL plhi
418# include <sys/sema.h>
419#undef kmutex_t
420typedef struct {
421 lock_t *l;
422 int pl;
423} kmutex_t;
424# undef MUTEX_INIT
425# undef MUTEX_DESTROY
1740#ifndef TCPOPT_MAXSEG
1741# define TCPOPT_MAXSEG 2
426#endif
1742#endif
427#if defined(__FreeBSD_version) && (__FreeBSD_version >= 500043)
428# include <sys/mutex.h>
429# include <sys/sx.h>
430# include <machine/atomic.h>
431# define USE_MUTEX 1
432# define kmutex_t struct mtx
433# define KRWLOCK_T struct sx
434# define NETBSD_PF
1743#ifndef TCPOLEN_MAXSEG
1744# define TCPOLEN_MAXSEG 4
435#endif
1745#endif
436#ifdef KERNEL
437# if SOLARIS
438# if SOLARIS2 >= 6
439# include <sys/atomic.h>
440# if SOLARIS2 == 6
441# define ATOMIC_INCL(x) atomic_add_long((uint32_t*)&(x), 1)
442# define ATOMIC_DECL(x) atomic_add_long((uint32_t*)&(x), -1)
443# else
444# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
445# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
446# endif
447# define ATOMIC_INC64(x) atomic_add_64((uint64_t*)&(x), 1)
448# define ATOMIC_INC32(x) atomic_add_32((uint32_t*)&(x), 1)
449# define ATOMIC_INC16(x) atomic_add_16((uint16_t*)&(x), 1)
450# define ATOMIC_DEC64(x) atomic_add_64((uint64_t*)&(x), -1)
451# define ATOMIC_DEC32(x) atomic_add_32((uint32_t*)&(x), -1)
452# define ATOMIC_DEC16(x) atomic_add_16((uint16_t*)&(x), -1)
453# else
454# define IRE_CACHE IRE_ROUTE
455# define ATOMIC_INC(x) { mutex_enter(&ipf_rw); (x)++; \
456 mutex_exit(&ipf_rw); }
457# define ATOMIC_DEC(x) { mutex_enter(&ipf_rw); (x)--; \
458 mutex_exit(&ipf_rw); }
459# endif
460# define MUTEX_ENTER(x) mutex_enter(x)
461# define USE_MUTEX 1
462# if 1
463# define KRWLOCK_T krwlock_t
464# define READ_ENTER(x) rw_enter(x, RW_READER)
465# define WRITE_ENTER(x) rw_enter(x, RW_WRITER)
466# define RW_UPGRADE(x) { if (rw_tryupgrade(x) == 0) { \
467 rw_exit(x); \
468 rw_enter(x, RW_WRITER); } \
469 }
470# define MUTEX_DOWNGRADE(x) rw_downgrade(x)
471# define RWLOCK_INIT(x, y, z) rw_init((x), (y), RW_DRIVER, (z))
472# define RWLOCK_EXIT(x) rw_exit(x)
473# define RW_DESTROY(x) rw_destroy(x)
474# else
475# define KRWLOCK_T kmutex_t
476# define READ_ENTER(x) mutex_enter(x)
477# define WRITE_ENTER(x) mutex_enter(x)
478# define MUTEX_DOWNGRADE(x) ;
479# define RWLOCK_INIT(x, y, z) mutex_init((x), (y), MUTEX_DRIVER, (z))
480# define RWLOCK_EXIT(x) mutex_exit(x)
481# define RW_DESTROY(x) mutex_destroy(x)
482# endif
483# define MUTEX_INIT(x, y, z) mutex_init((x), (y), MUTEX_DRIVER, (z))
484# define MUTEX_DESTROY(x) mutex_destroy(x)
485# define MUTEX_EXIT(x) mutex_exit(x)
486# define MTOD(m,t) (t)((m)->b_rptr)
487# define IRCOPY(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
488# define IWCOPY(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
489# define IRCOPYPTR ircopyptr
490# define IWCOPYPTR iwcopyptr
491# define FREE_MB_T(m) freemsg(m)
492# define SPL_NET(x) ;
493# define SPL_IMP(x) ;
494# undef SPL_X
495# define SPL_X(x) ;
496# ifdef sparc
497# define ntohs(x) (x)
498# define ntohl(x) (x)
499# define htons(x) (x)
500# define htonl(x) (x)
501# endif /* sparc */
502# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
503# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
504# define GET_MINOR(x) getminor(x)
505extern ill_t *get_unit __P((char *, int));
506# define GETUNIT(n, v) get_unit(n, v)
507# define IFNAME(x) ((ill_t *)x)->ill_name
508# else /* SOLARIS */
509# if defined(__sgi)
510# define USE_MUTEX 1
511# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
512 (x)++; MUTEX_EXIT(&ipf_rw); }
513# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
514 (x)--; MUTEX_EXIT(&ipf_rw); }
515# define MUTEX_ENTER(x) (x)->pl = LOCK((x)->l, IPF_LOCK_PL);
516# define KRWLOCK_T kmutex_t
517# define READ_ENTER(x) MUTEX_ENTER(x)
518# define WRITE_ENTER(x) MUTEX_ENTER(x)
519# define RW_UPGRADE(x) ;
520# define MUTEX_DOWNGRADE(x) ;
521# define RWLOCK_EXIT(x) MUTEX_EXIT(x)
522# define MUTEX_EXIT(x) UNLOCK((x)->l, (x)->pl);
523# define MUTEX_INIT(x,y,z) (x)->l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
524# define MUTEX_DESTROY(x) LOCK_DEALLOC((x)->l)
525# else /* __sgi */
526# if defined(__FreeBSD_version) && (__FreeBSD_version >= 500043)
527# include <sys/mutex.h>
528# include <sys/sx.h>
529# include <machine/atomic.h>
530# define USE_MUTEX 1
531# define kmutex_t struct mtx
532# define KRWLOCK_T struct sx
533# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
534 (x)++; MUTEX_EXIT(&ipf_rw); }
535# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
536 (x)--; MUTEX_EXIT(&ipf_rw); }
537# define MUTEX_ENTER(x) mtx_lock(x)
538# define READ_ENTER(x) sx_slock(x)
539# define WRITE_ENTER(x) sx_xlock(x)
540# define RW_UPGRADE(x) ;
541# define MUTEX_DOWNGRADE(x) sx_downgrade(x)
542# define RWLOCK_INIT(x, y, z) sx_init((x), (y))
543# define RWLOCK_EXIT(x) do { \
544 if ((x)->sx_cnt < 0) \
545 sx_xunlock(x); \
546 else \
547 sx_sunlock(x); \
548 } while (0)
549# define MUTEX_EXIT(x) mtx_unlock(x)
550# define MUTEX_INIT(x,y,z) mtx_init((x), (y), NULL, MTX_DEF)
551# define MUTEX_DESTROY(x) mtx_destroy(x)
552# else
553# define ATOMIC_INC(x) (x)++
554# define ATOMIC_DEC(x) (x)--
555# define MUTEX_ENTER(x) ;
556# define READ_ENTER(x) ;
557# define WRITE_ENTER(x) ;
558# define RW_UPGRADE(x) ;
559# define MUTEX_DOWNGRADE(x) ;
560# define RWLOCK_EXIT(x) ;
561# define MUTEX_EXIT(x) ;
562# define MUTEX_INIT(x,y,z) ;
563# define MUTEX_DESTROY(x) ;
564# endif
565# endif /* __sgi */
566# ifndef linux
567# define FREE_MB_T(m) m_freem(m)
568# define MTOD(m,t) mtod(m,t)
569# define M_BLEN(m) (m)->m_len
570# define IRCOPY(a,b,c) (bcopy((a), (b), (c)), 0)
571# define IWCOPY(a,b,c) (bcopy((a), (b), (c)), 0)
572# define IRCOPYPTR ircopyptr
573# define IWCOPYPTR iwcopyptr
574# endif /* !linux */
575# endif /* SOLARIS */
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
576
1764
577# ifdef sun
578# if !SOLARIS
579# include <sys/time.h>
580# include <sys/kmem_alloc.h>
581# define GETUNIT(n, v) ifunit(n, IFNAMSIZ)
582# define IFNAME(x) ((struct ifnet *)x)->if_name
583# endif
584# else
585# ifndef linux
586# define GETUNIT(n, v) ifunit(n)
587# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199606)) || \
588 (defined(OpenBSD) && (OpenBSD >= 199603)) || \
589 (defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
590# define IFNAME(x) ((struct ifnet *)x)->if_xname
591# else
592# define USE_GETIFNAME 1
593# define IFNAME(x) get_ifname((struct ifnet *)x)
594extern char *get_ifname __P((struct ifnet *));
595# endif
596# endif
597# endif /* sun */
598
599# if defined(sun) && !defined(linux) || defined(__sgi)
600# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
601# define SLEEP(id, n) sleep((id), PZERO+1)
602# define WAKEUP(id) wakeup(id)
603# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
604# define KFREES(x,s) kmem_free((char *)(x), (s))
605# if !SOLARIS
606extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
607extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
608# endif
609# ifdef __sgi
610# include <sys/kmem.h>
611# include <sys/ddi.h>
612# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
613# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
614# define GET_MINOR(x) getminor(x)
615# else
616# if !SOLARIS
617# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
618 KMEM_NOSLEEP)
619# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
620# endif /* SOLARIS */
621# endif /* __sgi */
622# endif /* sun && !linux */
623# ifndef GET_MINOR
624# define GET_MINOR(x) minor(x)
625# endif
626# if (BSD >= 199306) || defined(__FreeBSD__)
627# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
628 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
629 defined(_BSDI_VERSION)
630# include <vm/vm.h>
631# endif
632# if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
633 (__FreeBSD_version >= 300000))
634# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
635 (defined(OpenBSD) && (OpenBSD >= 200111))
636# include <uvm/uvm_extern.h>
637# else
638# include <vm/vm_extern.h>
639extern vm_map_t kmem_map;
640# endif
641# include <sys/proc.h>
642# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
643# include <vm/vm_kern.h>
644# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
645# ifdef M_PFIL
646# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFIL, M_NOWAIT)
647# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
648# define KFREE(x) FREE((x), M_PFIL)
649# define KFREES(x,s) FREE((x), M_PFIL)
650# else
651# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
652# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
653# define KFREE(x) FREE((x), M_TEMP)
654# define KFREES(x,s) FREE((x), M_TEMP)
655# endif /* M_PFIL */
656# define UIOMOVE(a,b,c,d) uiomove(a,b,d)
657# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
658# define WAKEUP(id) wakeup(id)
659# endif /* BSD */
660# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
661 (defined(OpenBSD) && (OpenBSD >= 200006))
662# define SPL_NET(x) x = splsoftnet()
663# define SPL_X(x) (void) splx(x)
664# else
665# if !SOLARIS && !defined(linux)
666# define SPL_IMP(x) x = splimp()
667# define SPL_NET(x) x = splnet()
668# define SPL_X(x) (void) splx(x)
669# endif
670# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
671# define PANIC(x,y) if (x) panic y
672#else /* KERNEL */
673# define SLEEP(x,y) 1
674# define WAKEUP(x) ;
675# define PANIC(x,y) ;
676# define ATOMIC_INC(x) (x)++
677# define ATOMIC_DEC(x) (x)--
678# define MUTEX_ENTER(x) ;
679# define READ_ENTER(x) ;
680# define MUTEX_INIT(x,y,z) ;
681# define MUTEX_DESTROY(x) ;
682# define WRITE_ENTER(x) ;
683# define RW_UPGRADE(x) ;
684# define MUTEX_DOWNGRADE(x) ;
685# define RWLOCK_EXIT(x) ;
686# define MUTEX_EXIT(x) ;
687# define SPL_NET(x) ;
688# define SPL_IMP(x) ;
689# undef SPL_X
690# define SPL_X(x) ;
691# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
692# define KMALLOCS(a,b,c) (a) = (b)malloc(c)
693# define KFREE(x) free(x)
694# define KFREES(x,s) free(x)
695# define FREE_MB_T(x) ;
696# define GETUNIT(x, v) get_unit(x,v)
697# define IRCOPY(a,b,c) (bcopy((a), (b), (c)), 0)
698# define IWCOPY(a,b,c) (bcopy((a), (b), (c)), 0)
699# define IRCOPYPTR ircopyptr
700# define IWCOPYPTR iwcopyptr
701# define IFNAME(x) get_ifname((struct ifnet *)x)
702# define UIOMOVE(a,b,c,d) ipfuiomove(a,b,c,d)
703# include <sys/time.h>
704extern void m_copydata __P((mb_t *, int, int, caddr_t));
705extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
706#endif /* KERNEL */
707
708/*
709 * These #ifdef's are here mainly for linux, but who knows, they may
710 * not be in other places or maybe one day linux will grow up and some
711 * of these will turn up there too.
712 */
713#ifndef ICMP_MINLEN
714# define ICMP_MINLEN 8
715#endif
716#ifndef ICMP_ECHOREPLY
717# define ICMP_ECHOREPLY 0
718#endif
719#ifndef ICMP_UNREACH
720# define ICMP_UNREACH 3

--- 35 unchanged lines hidden (view full) ---

756# define ICMP_UNREACH_TOSNET 11
757#endif
758#ifndef ICMP_UNREACH_TOSHOST
759# define ICMP_UNREACH_TOSHOST 12
760#endif
761#ifndef ICMP_UNREACH_ADMIN_PROHIBIT
762# define ICMP_UNREACH_ADMIN_PROHIBIT 13
763#endif
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

--- 35 unchanged lines hidden (view full) ---

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
764#ifndef ICMP_UNREACH_HOST_PRECEDENCE
765# define ICMP_UNREACH_HOST_PRECEDENCE 14
766#endif
767#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
768# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
769#endif
770#ifndef ICMP_SOURCEQUENCH
771# define ICMP_SOURCEQUENCH 4

--- 122 unchanged lines hidden (view full) ---

894# define TH_PUSH 0x08
895#endif
896#ifndef TH_ACK
897# define TH_ACK 0x10
898#endif
899#ifndef TH_URG
900# define TH_URG 0x20
901#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

--- 122 unchanged lines hidden (view full) ---

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
902#ifndef IPOPT_EOL
903# define IPOPT_EOL 0
904#endif
905#ifndef IPOPT_NOP
906# define IPOPT_NOP 1
907#endif
908#ifndef IPOPT_RR
909# define IPOPT_RR 7

--- 32 unchanged lines hidden (view full) ---

942# define IPOPT_SECUR_SECRET ((u_short)0xd788)
943#endif
944#ifndef IPOPT_SECUR_TOPSECRET
945# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
946#endif
947#ifndef IPOPT_OLEN
948# define IPOPT_OLEN 1
949#endif
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

--- 32 unchanged lines hidden (view full) ---

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
950#ifndef IPPROTO_GRE
951# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
952#endif
953#ifndef IPPROTO_ESP
954# define IPPROTO_ESP 50
955#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
956#ifndef IPPROTO_ICMPV6
957# define IPPROTO_ICMPV6 58
958#endif
2032#ifndef IPPROTO_ICMPV6
2033# define IPPROTO_ICMPV6 58
2034#endif
959
960#ifdef linux
961#include <linux/in_systm.h>
962/*
963 * TCP States
964 */
965#define TCPS_CLOSED 0 /* closed */
966#define TCPS_LISTEN 1 /* listening for connection */
967#define TCPS_SYN_SENT 2 /* active, have sent syn */
968#define TCPS_SYN_RECEIVED 3 /* have send and received syn */
969/* states < TCPS_ESTABLISHED are those where connections not established */
970#define TCPS_ESTABLISHED 4 /* established */
971#define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
972/* states > TCPS_CLOSE_WAIT are those where user has closed */
973#define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
974#define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
975#define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
976/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
977#define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
978#define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
979
980/*
981 * file flags.
982 */
983#ifdef WRITE
984#define FWRITE WRITE
985#define FREAD READ
986#else
987#define FWRITE _IOC_WRITE
988#define FREAD _IOC_READ
2035#ifndef IPPROTO_NONE
2036# define IPPROTO_NONE 59
989#endif
2037#endif
990/*
991 * mbuf related problems.
992 */
993#define mtod(m,t) (t)((m)->data)
994#define m_len len
995#define m_next next
996
997#ifdef IP_DF
998#undef IP_DF
2038#ifndef IPPROTO_DSTOPTS
2039# define IPPROTO_DSTOPTS 60
999#endif
2040#endif
1000#define IP_DF 0x4000
1001
1002typedef struct {
1003 __u16 th_sport;
1004 __u16 th_dport;
1005 __u32 th_seq;
1006 __u32 th_ack;
1007# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
1008 defined(__vax__)
1009 __u8 th_res:4;
1010 __u8 th_off:4;
1011#else
1012 __u8 th_off:4;
1013 __u8 th_res:4;
2041#ifndef IPPROTO_FRAGMENT
2042# define IPPROTO_FRAGMENT 44
1014#endif
2043#endif
1015 __u8 th_flags;
1016 __u16 th_win;
1017 __u16 th_sum;
1018 __u16 th_urp;
1019} tcphdr_t;
1020
1021typedef struct {
1022 __u16 uh_sport;
1023 __u16 uh_dport;
1024 __u16 uh_ulen;
1025 __u16 uh_sum;
1026} udphdr_t;
1027
1028typedef struct {
1029# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
1030 defined(__vax__)
1031 __u8 ip_hl:4;
1032 __u8 ip_v:4;
1033# else
1034 __u8 ip_v:4;
1035 __u8 ip_hl:4;
1036# endif
1037 __u8 ip_tos;
1038 __u16 ip_len;
1039 __u16 ip_id;
1040 __u16 ip_off;
1041 __u8 ip_ttl;
1042 __u8 ip_p;
1043 __u16 ip_sum;
1044 struct in_addr ip_src;
1045 struct in_addr ip_dst;
1046} ip_t;
1047
1048/*
1049 * Structure of an icmp header.
1050 */
1051typedef struct icmp {
1052 __u8 icmp_type; /* type of message, see below */
1053 __u8 icmp_code; /* type sub code */
1054 __u16 icmp_cksum; /* ones complement cksum of struct */
1055 union {
1056 __u8 ih_pptr; /* ICMP_PARAMPROB */
1057 struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
1058 struct ih_idseq {
1059 __u16 icd_id;
1060 __u16 icd_seq;
1061 } ih_idseq;
1062 int ih_void;
1063 } icmp_hun;
1064# define icmp_pptr icmp_hun.ih_pptr
1065# define icmp_gwaddr icmp_hun.ih_gwaddr
1066# define icmp_id icmp_hun.ih_idseq.icd_id
1067# define icmp_seq icmp_hun.ih_idseq.icd_seq
1068# define icmp_void icmp_hun.ih_void
1069 union {
1070 struct id_ts {
1071 n_time its_otime;
1072 n_time its_rtime;
1073 n_time its_ttime;
1074 } id_ts;
1075 struct id_ip {
1076 ip_t idi_ip;
1077 /* options and then 64 bits of data */
1078 } id_ip;
1079 u_long id_mask;
1080 char id_data[1];
1081 } icmp_dun;
1082# define icmp_otime icmp_dun.id_ts.its_otime
1083# define icmp_rtime icmp_dun.id_ts.its_rtime
1084# define icmp_ttime icmp_dun.id_ts.its_ttime
1085# define icmp_ip icmp_dun.id_ip.idi_ip
1086# define icmp_mask icmp_dun.id_mask
1087# define icmp_data icmp_dun.id_data
1088} icmphdr_t;
1089
1090# ifndef LINUX_IPOVLY
1091# define LINUX_IPOVLY
1092struct ipovly {
1093 caddr_t ih_next, ih_prev; /* for protocol sequence q's */
1094 u_char ih_x1; /* (unused) */
1095 u_char ih_pr; /* protocol */
1096 short ih_len; /* protocol length */
1097 struct in_addr ih_src; /* source internet address */
1098 struct in_addr ih_dst; /* destination internet address */
1099};
1100# endif
1101
1102typedef struct {
1103 __u8 ether_dhost[6];
1104 __u8 ether_shost[6];
1105 __u16 ether_type;
1106} ether_header_t;
1107
1108typedef struct uio {
1109 int uio_resid;
1110 int uio_rw;
1111 caddr_t uio_buf;
1112} uio_t;
1113
1114# define UIO_READ 0
1115# define UIO_WRITE 1
1116# define UIOMOVE(a, b, c, d) uiomove(a,b,c,d)
1117
1118/*
1119 * For masking struct ifnet onto struct device
1120 */
1121# define if_name name
1122
1123# ifdef KERNEL
1124# define GETUNIT(x, v) dev_get(x)
1125# define FREE_MB_T(m) kfree_skb(m, FREE_WRITE)
1126# define uniqtime do_gettimeofday
1127# undef INT_MAX
1128# undef UINT_MAX
1129# undef LONG_MAX
1130# undef ULONG_MAX
1131# include <linux/netdevice.h>
1132# define SPL_X(x)
1133# define SPL_NET(x)
1134# define SPL_IMP(x)
1135
1136# define bcmp(a,b,c) memcmp(a,b,c)
1137# define bcopy(a,b,c) memcpy(b,a,c)
1138# define bzero(a,c) memset(a,0,c)
1139
1140# define UNITNAME(n) dev_get((n))
1141
1142# define KMALLOC(a,b) (a) = (b)kmalloc(sizeof(*(a)), GFP_ATOMIC)
1143# define KMALLOCS(a,b,c) (a) = (b)kmalloc((c), GFP_ATOMIC)
1144# define KFREE(x) kfree_s((x), sizeof(*(x)))
1145# define KFREES(x,s) kfree_s((x), (s))
1146#define IRCOPY(const void *a, void *b, size_t c) { \
1147 int error; \
1148
1149 error = verify_area(VERIFY_READ, a ,c); \
1150 if (!error) \
1151 memcpy_fromfs(b, a, c); \
1152 return error; \
1153}
1154static inline int IWCOPY(const void *a, void *b, size_t c)
1155{
1156 int error;
1157
1158 error = verify_area(VERIFY_WRITE, b, c);
1159 if (!error)
1160 memcpy_tofs(b, a, c);
1161 return error;
1162}
1163static inline int IRCOPYPTR(const void *a, void *b, size_t c) {
1164 caddr_t ca;
1165 int error;
1166
1167 error = verify_area(VERIFY_READ, a ,sizeof(ca));
1168 if (!error) {
1169 memcpy_fromfs(ca, a, sizeof(ca));
1170 error = verify_area(VERIFY_READ, ca , c);
1171 if (!error)
1172 memcpy_fromfs(b, ca, c);
1173 }
1174 return error;
1175}
1176static inline int IWCOPYPTR(const void *a, void *b, size_t c) {
1177 caddr_t ca;
1178 int error;
1179
1180
1181 error = verify_area(VERIFY_READ, b ,sizeof(ca));
1182 if (!error) {
1183 memcpy_fromfs(ca, b, sizeof(ca));
1184 error = verify_area(VERIFY_WRITE, ca, c);
1185 if (!error)
1186 memcpy_tofs(ca, a, c);
1187 }
1188 return error;
1189}
1190# else
1191# define __KERNEL__
1192# undef INT_MAX
1193# undef UINT_MAX
1194# undef LONG_MAX
1195# undef ULONG_MAX
1196# define s8 __s8
1197# define u8 __u8
1198# define s16 __s16
1199# define u16 __u16
1200# define s32 __s32
1201# define u32 __u32
1202# include <linux/netdevice.h>
1203# undef __KERNEL__
1204# endif
1205# define ifnet device
1206#else
1207typedef struct tcphdr tcphdr_t;
1208typedef struct udphdr udphdr_t;
1209typedef struct icmp icmphdr_t;
1210typedef struct ip ip_t;
1211typedef struct ether_header ether_header_t;
1212#endif /* linux */
1213typedef struct tcpiphdr tcpiphdr_t;
1214
1215#if defined(hpux) || defined(linux)
1216struct ether_addr {
1217 char ether_addr_octet[6];
1218};
1219#endif
1220
1221/*
1222 * XXX - This is one of those *awful* hacks which nobody likes
1223 */
1224#ifdef ultrix
1225#define A_A
1226#else
1227#define A_A &
1228#endif
1229
1230#if (BSD >= 199306) && !defined(m_act)
1231# define m_act m_nextpkt
1232#endif
1233
1234#ifndef ICMP_ROUTERADVERT
1235# define ICMP_ROUTERADVERT 9
1236#endif
1237#ifndef ICMP_ROUTERSOLICIT
1238# define ICMP_ROUTERSOLICIT 10
1239#endif
2044#ifndef ICMP_ROUTERADVERT
2045# define ICMP_ROUTERADVERT 9
2046#endif
2047#ifndef ICMP_ROUTERSOLICIT
2048# define ICMP_ROUTERSOLICIT 10
2049#endif
1240#undef ICMP_MAX_UNREACH
1241#define ICMP_MAX_UNREACH 14
1242#undef ICMP_MAXTYPE
1243#define ICMP_MAXTYPE 18
1244/*
1245 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
1246 * another IP header and then 64 bits of data, totalling 56. Of course,
1247 * the last 64 bits is dependant on that being available.
1248 */
1249#define ICMPERR_ICMPHLEN 8
1250#define ICMPERR_IPICMPHLEN (20 + 8)
1251#define ICMPERR_MINPKTLEN (20 + 8 + 20)
1252#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
1253#define ICMP6_MINLEN 8
1254#define ICMP6ERR_IPICMPHLEN (40 + 8)
1255#define ICMP6ERR_MINPKTLEN (40 + 8 + 40)
1256
1257#ifndef ICMP6_DST_UNREACH
1258# define ICMP6_DST_UNREACH 1
1259#endif
1260#ifndef ICMP6_PACKET_TOO_BIG
1261# define ICMP6_PACKET_TOO_BIG 2
1262#endif
1263#ifndef ICMP6_TIME_EXCEEDED
1264# define ICMP6_TIME_EXCEEDED 3

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1420#ifndef TH_ECN
1421# define TH_ECN 0x40
1422#endif
1423#ifndef TH_CWR
1424# define TH_CWR 0x80
1425#endif
1426#define TH_ECNALL (TH_ECN|TH_CWR)
1427
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

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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
1428#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|TH_ECN|TH_CWR)
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
1429
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
1430#endif /* __IP_COMPAT_H__ */
2296#endif /* __IP_COMPAT_H__ */