xref: /netbsd-src/sys/compat/netbsd32/netbsd32_ioctl.c (revision 4817a0b0b8fe9612e8ebe21a9bf2d97b95038a97)
1 /*	$NetBSD: netbsd32_ioctl.c,v 1.51 2010/09/24 13:12:53 njoly Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * handle ioctl conversions from netbsd32 -> 64-bit kernel
31  */
32 
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: netbsd32_ioctl.c,v 1.51 2010/09/24 13:12:53 njoly Exp $");
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/filedesc.h>
39 #include <sys/ioctl.h>
40 #include <sys/file.h>
41 #include <sys/proc.h>
42 #include <sys/socketvar.h>
43 #include <sys/audioio.h>
44 #include <sys/disklabel.h>
45 #include <sys/dkio.h>
46 #include <sys/sockio.h>
47 #include <sys/socket.h>
48 #include <sys/ttycom.h>
49 #include <sys/mount.h>
50 #include <sys/syscallargs.h>
51 #include <sys/ktrace.h>
52 #include <sys/kmem.h>
53 #include <sys/envsys.h>
54 
55 #ifdef __sparc__
56 #include <dev/sun/fbio.h>
57 #include <machine/openpromio.h>
58 #endif
59 
60 #include <net/if.h>
61 #include <net/route.h>
62 
63 #include <netinet/in.h>
64 #include <netinet/in_var.h>
65 #include <netinet/igmp.h>
66 #include <netinet/igmp_var.h>
67 #include <netinet/ip_mroute.h>
68 
69 #include <compat/sys/sockio.h>
70 
71 #include <compat/netbsd32/netbsd32.h>
72 #include <compat/netbsd32/netbsd32_ioctl.h>
73 #include <compat/netbsd32/netbsd32_syscallargs.h>
74 
75 #include <dev/vndvar.h>
76 
77 /* prototypes for the converters */
78 static inline void netbsd32_to_partinfo(struct netbsd32_partinfo *,
79 					  struct partinfo *, u_long);
80 #if 0
81 static inline void netbsd32_to_format_op(struct netbsd32_format_op *,
82 					   struct format_op *, u_long);
83 #endif
84 static inline void netbsd32_to_oifreq(struct netbsd32_oifreq *, struct oifreq *,
85 				       u_long cmd);
86 static inline void netbsd32_to_ifreq(struct netbsd32_ifreq *, struct ifreq *,
87 				       u_long cmd);
88 static inline void netbsd32_to_ifconf(struct netbsd32_ifconf *,
89 					struct ifconf *, u_long);
90 static inline void netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *,
91 					    struct ifmediareq *, u_long);
92 static inline void netbsd32_to_ifdrv(struct netbsd32_ifdrv *, struct ifdrv *,
93 				       u_long);
94 static inline void netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *,
95 					      struct sioc_vif_req *, u_long);
96 static inline void netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *,
97 					     struct sioc_sg_req *, u_long);
98 static inline void netbsd32_from_partinfo(struct partinfo *,
99 					    struct netbsd32_partinfo *, u_long);
100 #if 0
101 static inline void netbsd32_from_format_op(struct format_op *,
102 					     struct netbsd32_format_op *,
103 					     u_long);
104 #endif
105 static inline void netbsd32_from_ifreq(struct ifreq *,
106                                          struct netbsd32_ifreq *, u_long);
107 static inline void netbsd32_from_oifreq(struct oifreq *,
108                                          struct netbsd32_oifreq *, u_long);
109 static inline void netbsd32_from_ifconf(struct ifconf *,
110 					  struct netbsd32_ifconf *, u_long);
111 static inline void netbsd32_from_ifmediareq(struct ifmediareq *,
112 					      struct netbsd32_ifmediareq *,
113 					      u_long);
114 static inline void netbsd32_from_ifdrv(struct ifdrv *,
115 					 struct netbsd32_ifdrv *, u_long);
116 static inline void netbsd32_from_sioc_vif_req(struct sioc_vif_req *,
117 						struct netbsd32_sioc_vif_req *,
118 						u_long);
119 static inline void netbsd32_from_sioc_sg_req(struct sioc_sg_req *,
120 					       struct netbsd32_sioc_sg_req *,
121 					       u_long);
122 
123 /* convert to/from different structures */
124 
125 static inline void
126 netbsd32_to_partinfo(struct netbsd32_partinfo *s32p, struct partinfo *p, u_long cmd)
127 {
128 
129 	p->disklab = (struct disklabel *)NETBSD32PTR64(s32p->disklab);
130 	p->part = (struct partition *)NETBSD32PTR64(s32p->part);
131 }
132 
133 #if 0
134 static inline void
135 netbsd32_to_format_op(struct netbsd32_format_op *s32p, struct format_op *p, u_long cmd)
136 {
137 
138 	p->df_buf = (char *)NETBSD32PTR64(s32p->df_buf);
139 	p->df_count = s32p->df_count;
140 	p->df_startblk = s32p->df_startblk;
141 	memcpy(p->df_reg, s32p->df_reg, sizeof(s32p->df_reg));
142 }
143 #endif
144 
145 static inline void
146 netbsd32_to_ifreq(struct netbsd32_ifreq *s32p, struct ifreq *p, u_long cmd)
147 {
148 
149 	memcpy(p, s32p, sizeof *s32p);
150 	/*
151 	 * XXX
152 	 * struct ifreq says the same, but sometimes the ifr_data
153 	 * union member needs to be converted to 64 bits... this
154 	 * is very driver specific and so we ignore it for now..
155 	 */
156 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
157 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
158 }
159 
160 static inline void
161 netbsd32_to_oifreq(struct netbsd32_oifreq *s32p, struct oifreq *p, u_long cmd)
162 {
163 
164 	memcpy(p, s32p, sizeof *s32p);
165 	/*
166 	 * XXX
167 	 * struct ifreq says the same, but sometimes the ifr_data
168 	 * union member needs to be converted to 64 bits... this
169 	 * is very driver specific and so we ignore it for now..
170 	 */
171 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
172 		p->ifr_data = (void *)NETBSD32PTR64(s32p->ifr_data);
173 }
174 
175 static inline void
176 netbsd32_to_ifconf(struct netbsd32_ifconf *s32p, struct ifconf *p, u_long cmd)
177 {
178 
179 	p->ifc_len = s32p->ifc_len;
180 	/* ifc_buf & ifc_req are the same size so this works */
181 	p->ifc_buf = (void *)NETBSD32PTR64(s32p->ifc_buf);
182 }
183 
184 static inline void
185 netbsd32_to_ifmediareq(struct netbsd32_ifmediareq *s32p, struct ifmediareq *p, u_long cmd)
186 {
187 
188 	memcpy(p, s32p, sizeof *s32p);
189 	p->ifm_ulist = (int *)NETBSD32PTR64(s32p->ifm_ulist);
190 }
191 
192 static inline void
193 netbsd32_to_ifdrv(struct netbsd32_ifdrv *s32p, struct ifdrv *p, u_long cmd)
194 {
195 
196 	memcpy(p, s32p, sizeof *s32p);
197 	p->ifd_data = (void *)NETBSD32PTR64(s32p->ifd_data);
198 }
199 
200 static inline void
201 netbsd32_to_sioc_vif_req(struct netbsd32_sioc_vif_req *s32p, struct sioc_vif_req *p, u_long cmd)
202 {
203 
204 	p->vifi = s32p->vifi;
205 	p->icount = (u_long)s32p->icount;
206 	p->ocount = (u_long)s32p->ocount;
207 	p->ibytes = (u_long)s32p->ibytes;
208 	p->obytes = (u_long)s32p->obytes;
209 }
210 
211 static inline void
212 netbsd32_to_sioc_sg_req(struct netbsd32_sioc_sg_req *s32p, struct sioc_sg_req *p, u_long cmd)
213 {
214 
215 	p->src = s32p->src;
216 	p->grp = s32p->grp;
217 	p->pktcnt = (u_long)s32p->pktcnt;
218 	p->bytecnt = (u_long)s32p->bytecnt;
219 	p->wrong_if = (u_long)s32p->wrong_if;
220 }
221 
222 static inline void
223 netbsd32_to_vnd_ioctl(struct netbsd32_vnd_ioctl *s32p, struct vnd_ioctl *p, u_long cmd)
224 {
225 
226 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
227 	p->vnd_flags = s32p->vnd_flags;
228 	p->vnd_geom = s32p->vnd_geom;
229 	p->vnd_osize = s32p->vnd_osize;
230 	p->vnd_size = s32p->vnd_size;
231 }
232 
233 static inline void
234 netbsd32_to_vnd_user(struct netbsd32_vnd_user *s32p, struct vnd_user *p, u_long cmd)
235 {
236 
237 	p->vnu_unit = s32p->vnu_unit;
238 	p->vnu_dev = s32p->vnu_dev;
239 	p->vnu_ino = s32p->vnu_ino;
240 }
241 
242 static inline void
243 netbsd32_to_vnd_ioctl50(struct netbsd32_vnd_ioctl50 *s32p, struct vnd_ioctl50 *p, u_long cmd)
244 {
245 
246 	p->vnd_file = (char *)NETBSD32PTR64(s32p->vnd_file);
247 	p->vnd_flags = s32p->vnd_flags;
248 	p->vnd_geom = s32p->vnd_geom;
249 	p->vnd_size = s32p->vnd_size;
250 }
251 
252 static inline void
253 netbsd32_to_plistref(struct netbsd32_plistref *s32p, struct plistref *p, u_long cmd)
254 {
255 
256 	p->pref_plist = NETBSD32PTR64(s32p->pref_plist);
257 	p->pref_len = s32p->pref_len;
258 }
259 
260 static inline void
261 netbsd32_to_u_long(netbsd32_u_long *s32p, u_long *p, u_long cmd)
262 {
263 
264 	*p = (u_long)*s32p;
265 }
266 
267 /*
268  * handle ioctl conversions from 64-bit kernel -> netbsd32
269  */
270 
271 static inline void
272 netbsd32_from_partinfo(struct partinfo *p, struct netbsd32_partinfo *s32p, u_long cmd)
273 {
274 
275 	NETBSD32PTR32(s32p->disklab, p->disklab);
276 	NETBSD32PTR32(s32p->part, p->part);
277 }
278 
279 #if 0
280 static inline void
281 netbsd32_from_format_op(struct format_op *p, struct netbsd32_format_op *s32p, u_long cmd)
282 {
283 
284 /* filled in */
285 #if 0
286 	s32p->df_buf = (netbsd32_charp)p->df_buf;
287 #endif
288 	s32p->df_count = p->df_count;
289 	s32p->df_startblk = p->df_startblk;
290 	memcpy(s32p->df_reg, p->df_reg, sizeof(p->df_reg));
291 }
292 #endif
293 
294 static inline void
295 netbsd32_from_ifreq(struct ifreq *p, struct netbsd32_ifreq *s32p, u_long cmd)
296 {
297 
298 	/*
299 	 * XXX
300 	 * struct ifreq says the same, but sometimes the ifr_data
301 	 * union member needs to be converted to 64 bits... this
302 	 * is very driver specific and so we ignore it for now..
303 	 */
304 	memcpy(s32p, p, sizeof *s32p);
305 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
306 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
307 }
308 
309 static inline void
310 netbsd32_from_oifreq(struct oifreq *p, struct netbsd32_oifreq *s32p, u_long cmd)
311 {
312 
313 	/*
314 	 * XXX
315 	 * struct ifreq says the same, but sometimes the ifr_data
316 	 * union member needs to be converted to 64 bits... this
317 	 * is very driver specific and so we ignore it for now..
318 	 */
319 	memcpy(s32p, p, sizeof *s32p);
320 	if (cmd == SIOCGIFDATA || cmd == SIOCZIFDATA)
321 		NETBSD32PTR32(s32p->ifr_data, p->ifr_data);
322 }
323 
324 static inline void
325 netbsd32_from_ifconf(struct ifconf *p, struct netbsd32_ifconf *s32p, u_long cmd)
326 {
327 
328 	s32p->ifc_len = p->ifc_len;
329 	/* ifc_buf & ifc_req are the same size so this works */
330 	NETBSD32PTR32(s32p->ifc_buf, p->ifc_buf);
331 }
332 
333 static inline void
334 netbsd32_from_ifmediareq(struct ifmediareq *p, struct netbsd32_ifmediareq *s32p, u_long cmd)
335 {
336 
337 	memcpy(s32p, p, sizeof *p);
338 /* filled in? */
339 #if 0
340 	s32p->ifm_ulist = (netbsd32_intp_t)p->ifm_ulist;
341 #endif
342 }
343 
344 static inline void
345 netbsd32_from_ifdrv(struct ifdrv *p, struct netbsd32_ifdrv *s32p, u_long cmd)
346 {
347 
348 	memcpy(s32p, p, sizeof *p);
349 /* filled in? */
350 #if 0
351 	s32p->ifm_data = (netbsd32_u_longp_t)p->ifm_data;
352 #endif
353 }
354 
355 static inline void
356 netbsd32_from_sioc_vif_req(struct sioc_vif_req *p, struct netbsd32_sioc_vif_req *s32p, u_long cmd)
357 {
358 
359 	s32p->vifi = p->vifi;
360 	s32p->icount = (netbsd32_u_long)p->icount;
361 	s32p->ocount = (netbsd32_u_long)p->ocount;
362 	s32p->ibytes = (netbsd32_u_long)p->ibytes;
363 	s32p->obytes = (netbsd32_u_long)p->obytes;
364 }
365 
366 static inline void
367 netbsd32_from_sioc_sg_req(struct sioc_sg_req *p, struct netbsd32_sioc_sg_req *s32p, u_long cmd)
368 {
369 
370 	s32p->src = p->src;
371 	s32p->grp = p->grp;
372 	s32p->pktcnt = (netbsd32_u_long)p->pktcnt;
373 	s32p->bytecnt = (netbsd32_u_long)p->bytecnt;
374 	s32p->wrong_if = (netbsd32_u_long)p->wrong_if;
375 }
376 
377 static inline void
378 netbsd32_from_vnd_ioctl(struct vnd_ioctl *p, struct netbsd32_vnd_ioctl *s32p, u_long cmd)
379 {
380 
381 	s32p->vnd_flags = p->vnd_flags;
382 	s32p->vnd_geom = p->vnd_geom;
383 	s32p->vnd_osize = p->vnd_osize;
384 	s32p->vnd_size = p->vnd_size;
385 }
386 
387 static inline void
388 netbsd32_from_vnd_user(struct vnd_user *p, struct netbsd32_vnd_user *s32p, u_long cmd)
389 {
390 
391 	s32p->vnu_unit = p->vnu_unit;
392 	s32p->vnu_dev = p->vnu_dev;
393 	s32p->vnu_ino = p->vnu_ino;
394 }
395 
396 static inline void
397 netbsd32_from_vnd_ioctl50(struct vnd_ioctl50 *p, struct netbsd32_vnd_ioctl50 *s32p, u_long cmd)
398 {
399 
400 	s32p->vnd_flags = p->vnd_flags;
401 	s32p->vnd_geom = p->vnd_geom;
402 	s32p->vnd_size = p->vnd_size;
403 }
404 
405 static inline void
406 netbsd32_from_plistref(struct plistref *p, struct netbsd32_plistref *s32p, u_long cmd)
407 {
408 
409 	NETBSD32PTR32(s32p->pref_plist, p->pref_plist);
410 	s32p->pref_len = p->pref_len;
411 }
412 
413 static inline void
414 netbsd32_from_u_long(u_long *p, netbsd32_u_long *s32p, u_long cmd)
415 {
416 
417 	*s32p = (netbsd32_u_long)*p;
418 }
419 
420 
421 /*
422  * main ioctl syscall.
423  *
424  * ok, here we are in the biggy.  we have to do fix ups depending
425  * on the ioctl command before and afterwards.
426  */
427 int
428 netbsd32_ioctl(struct lwp *l, const struct netbsd32_ioctl_args *uap, register_t *retval)
429 {
430 	/* {
431 		syscallarg(int) fd;
432 		syscallarg(netbsd32_u_long) com;
433 		syscallarg(netbsd32_voidp) data;
434 	} */
435 	struct proc *p = l->l_proc;
436 	struct file *fp;
437 	struct filedesc *fdp;
438 	u_long com;
439 	int error = 0;
440 	u_int size, size32;
441 	void *data, *memp = NULL;
442 	void *data32, *memp32 = NULL;
443 	unsigned fd;
444 	fdfile_t *ff;
445 	int tmp;
446 #define STK_PARAMS	128
447 	u_long stkbuf[STK_PARAMS/sizeof(u_long)];
448 	u_long stkbuf32[STK_PARAMS/sizeof(u_long)];
449 
450 	/*
451 	 * we need to translate some commands (_IOW) before calling sys_ioctl,
452 	 * some after (_IOR), and some both (_IOWR).
453 	 */
454 #if 0
455 	{
456 char *dirs[8] = { "NONE!", "VOID", "OUT", "VOID|OUT!", "IN", "VOID|IN!",
457 		"INOUT", "VOID|IN|OUT!" };
458 
459 printf("netbsd32_ioctl(%d, %x, %x): %s group %c base %d len %d\n",
460        SCARG(uap, fd), SCARG(uap, com), SCARG(uap, data),
461        dirs[((SCARG(uap, com) & IOC_DIRMASK)>>29)],
462        IOCGROUP(SCARG(uap, com)), IOCBASECMD(SCARG(uap, com)),
463        IOCPARM_LEN(SCARG(uap, com)));
464 	}
465 #endif
466 
467 	fdp = p->p_fd;
468 	fd = SCARG(uap, fd);
469 	if ((fp = fd_getfile(fd)) == NULL)
470 		return (EBADF);
471 	if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
472 		error = EBADF;
473 		goto out;
474 	}
475 
476 	ff = fdp->fd_dt->dt_ff[SCARG(uap, fd)];
477 	switch (com = SCARG(uap, com)) {
478 	case FIOCLEX:
479 		ff->ff_exclose = true;
480 		fdp->fd_exclose = true;
481 		goto out;
482 
483 	case FIONCLEX:
484 		ff->ff_exclose = false;
485 		goto out;
486 	}
487 
488 	/*
489 	 * Interpret high order word to find amount of data to be
490 	 * copied to/from the user's address space.
491 	 */
492 	size = 0;
493 	size32 = IOCPARM_LEN(com);
494 	if (size32 > IOCPARM_MAX) {
495 		error = ENOTTY;
496 		goto out;
497 	}
498 	if (size32 > sizeof(stkbuf)) {
499 		memp32 = kmem_alloc((size_t)size32, KM_SLEEP);
500 		data32 = memp32;
501 	} else
502 		data32 = (void *)stkbuf32;
503 	if (com&IOC_IN) {
504 		if (size32) {
505 			error = copyin(SCARG_P32(uap, data), data32, size32);
506 			if (error) {
507 				if (memp32)
508 					kmem_free(memp32, (size_t)size32);
509 				goto out;
510 			}
511 			ktrgenio(fd, UIO_WRITE, SCARG_P32(uap, data),
512 			    size32, 0);
513 		} else
514 			*(void **)data32 = SCARG_P32(uap, data);
515 	} else if ((com&IOC_OUT) && size32)
516 		/*
517 		 * Zero the buffer so the user always
518 		 * gets back something deterministic.
519 		 */
520 		memset(data32, 0, size32);
521 	else if (com&IOC_VOID)
522 		*(void **)data32 = SCARG_P32(uap, data);
523 
524 	/*
525 	 * convert various structures, pointers, and other objects that
526 	 * change size from 32 bit -> 64 bit, for all ioctl commands.
527 	 */
528 	switch (SCARG(uap, com)) {
529 	case FIONBIO:
530 		mutex_enter(&fp->f_lock);
531 		if ((tmp = *(int *)data32) != 0)
532 			fp->f_flag |= FNONBLOCK;
533 		else
534 			fp->f_flag &= ~FNONBLOCK;
535 		mutex_exit(&fp->f_lock);
536 		error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO, (void *)&tmp);
537 		break;
538 
539 	case FIOASYNC:
540 		mutex_enter(&fp->f_lock);
541 		if ((tmp = *(int *)data32) != 0)
542 			fp->f_flag |= FASYNC;
543 		else
544 			fp->f_flag &= ~FASYNC;
545 		mutex_exit(&fp->f_lock);
546 		error = (*fp->f_ops->fo_ioctl)(fp, FIOASYNC, (void *)&tmp);
547 		break;
548 
549 	case AUDIO_WSEEK32:
550 		IOCTL_CONV_TO(AUDIO_WSEEK, u_long);
551 
552 	case DIOCGPART32:
553 		IOCTL_STRUCT_CONV_TO(DIOCGPART, partinfo);
554 #if 0	/* not implemented by anything */
555 	case DIOCRFORMAT32:
556 		IOCTL_STRUCT_CONV_TO(DIOCRFORMAT, format_op);
557 	case DIOCWFORMAT32:
558 		IOCTL_STRUCT_CONV_TO(DIOCWFORMAT, format_op);
559 #endif
560 
561 /*
562  * only a few ifreq syscalls need conversion and those are
563  * all driver specific... XXX
564  */
565 #if 0
566 	case SIOCGADDRROM3232:
567 		IOCTL_STRUCT_CONV_TO(SIOCGADDRROM32, ifreq);
568 	case SIOCGCHIPID32:
569 		IOCTL_STRUCT_CONV_TO(SIOCGCHIPID, ifreq);
570 	case SIOCSIFADDR32:
571 		IOCTL_STRUCT_CONV_TO(SIOCSIFADDR, ifreq);
572 	case OSIOCGIFADDR32:
573 		IOCTL_STRUCT_CONV_TO(OSIOCGIFADDR, ifreq);
574 	case SIOCGIFADDR32:
575 		IOCTL_STRUCT_CONV_TO(SIOCGIFADDR, ifreq);
576 	case SIOCSIFDSTADDR32:
577 		IOCTL_STRUCT_CONV_TO(SIOCSIFDSTADDR, ifreq);
578 	case OSIOCGIFDSTADDR32:
579 		IOCTL_STRUCT_CONV_TO(OSIOCGIFDSTADDR, ifreq);
580 	case SIOCGIFDSTADDR32:
581 		IOCTL_STRUCT_CONV_TO(SIOCGIFDSTADDR, ifreq);
582 	case OSIOCGIFBRDADDR32:
583 		IOCTL_STRUCT_CONV_TO(OSIOCGIFBRDADDR, ifreq);
584 	case SIOCGIFBRDADDR32:
585 		IOCTL_STRUCT_CONV_TO(SIOCGIFBRDADDR, ifreq);
586 	case SIOCSIFBRDADDR32:
587 		IOCTL_STRUCT_CONV_TO(SIOCSIFBRDADDR, ifreq);
588 	case OSIOCGIFNETMASK32:
589 		IOCTL_STRUCT_CONV_TO(OSIOCGIFNETMASK, ifreq);
590 	case SIOCGIFNETMASK32:
591 		IOCTL_STRUCT_CONV_TO(SIOCGIFNETMASK, ifreq);
592 	case SIOCSIFNETMASK32:
593 		IOCTL_STRUCT_CONV_TO(SIOCSIFNETMASK, ifreq);
594 	case SIOCGIFMETRIC32:
595 		IOCTL_STRUCT_CONV_TO(SIOCGIFMETRIC, ifreq);
596 	case SIOCSIFMETRIC32:
597 		IOCTL_STRUCT_CONV_TO(SIOCSIFMETRIC, ifreq);
598 	case SIOCDIFADDR32:
599 		IOCTL_STRUCT_CONV_TO(SIOCDIFADDR, ifreq);
600 	case SIOCADDMULTI32:
601 		IOCTL_STRUCT_CONV_TO(SIOCADDMULTI, ifreq);
602 	case SIOCDELMULTI32:
603 		IOCTL_STRUCT_CONV_TO(SIOCDELMULTI, ifreq);
604 	case SIOCSIFMEDIA32:
605 		IOCTL_STRUCT_CONV_TO(SIOCSIFMEDIA, ifreq);
606 	case SIOCSIFMTU32:
607 		IOCTL_STRUCT_CONV_TO(SIOCSIFMTU, ifreq);
608 	case SIOCGIFMTU32:
609 		IOCTL_STRUCT_CONV_TO(SIOCGIFMTU, ifreq);
610 	case BIOCGETIF32:
611 		IOCTL_STRUCT_CONV_TO(BIOCGETIF, ifreq);
612 	case BIOCSETIF32:
613 		IOCTL_STRUCT_CONV_TO(BIOCSETIF, ifreq);
614 	case SIOCPHASE132:
615 		IOCTL_STRUCT_CONV_TO(SIOCPHASE1, ifreq);
616 	case SIOCPHASE232:
617 		IOCTL_STRUCT_CONV_TO(SIOCPHASE2, ifreq);
618 #endif
619 
620 	case OOSIOCGIFCONF32:
621 		IOCTL_STRUCT_CONV_TO(OOSIOCGIFCONF, ifconf);
622 	case OSIOCGIFCONF32:
623 		IOCTL_STRUCT_CONV_TO(OSIOCGIFCONF, ifconf);
624 	case SIOCGIFCONF32:
625 		IOCTL_STRUCT_CONV_TO(SIOCGIFCONF, ifconf);
626 
627 	case SIOCGIFFLAGS32:
628 		IOCTL_STRUCT_CONV_TO(SIOCGIFFLAGS, ifreq);
629 	case SIOCSIFFLAGS32:
630 		IOCTL_STRUCT_CONV_TO(SIOCSIFFLAGS, ifreq);
631 
632 	case OSIOCGIFFLAGS32:
633 		IOCTL_STRUCT_CONV_TO(OSIOCGIFFLAGS, oifreq);
634 	case OSIOCSIFFLAGS32:
635 		IOCTL_STRUCT_CONV_TO(OSIOCSIFFLAGS, oifreq);
636 
637 	case SIOCGIFMEDIA32:
638 		IOCTL_STRUCT_CONV_TO(SIOCGIFMEDIA, ifmediareq);
639 
640 	case SIOCSDRVSPEC32:
641 		IOCTL_STRUCT_CONV_TO(SIOCSDRVSPEC, ifdrv);
642 
643 	case SIOCGETVIFCNT32:
644 		IOCTL_STRUCT_CONV_TO(SIOCGETVIFCNT, sioc_vif_req);
645 
646 	case SIOCGETSGCNT32:
647 		IOCTL_STRUCT_CONV_TO(SIOCGETSGCNT, sioc_sg_req);
648 
649 	case VNDIOCSET32:
650 		IOCTL_STRUCT_CONV_TO(VNDIOCSET, vnd_ioctl);
651 
652 	case VNDIOCCLR32:
653 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR, vnd_ioctl);
654 
655 	case VNDIOCGET32:
656 		IOCTL_STRUCT_CONV_TO(VNDIOCGET, vnd_user);
657 
658 	case VNDIOCSET5032:
659 		IOCTL_STRUCT_CONV_TO(VNDIOCSET50, vnd_ioctl50);
660 
661 	case VNDIOCCLR5032:
662 		IOCTL_STRUCT_CONV_TO(VNDIOCCLR50, vnd_ioctl50);
663 
664 	case ENVSYS_GETDICTIONARY32:
665 		IOCTL_STRUCT_CONV_TO(ENVSYS_GETDICTIONARY, plistref);
666 	case ENVSYS_SETDICTIONARY32:
667 		IOCTL_STRUCT_CONV_TO(ENVSYS_SETDICTIONARY, plistref);
668 	case ENVSYS_REMOVEPROPS32:
669 		IOCTL_STRUCT_CONV_TO(ENVSYS_REMOVEPROPS, plistref);
670 
671 	default:
672 #ifdef NETBSD32_MD_IOCTL
673 		error = netbsd32_md_ioctl(fp, com, data32, l);
674 #else
675 		error = (*fp->f_ops->fo_ioctl)(fp, com, data32);
676 #endif
677 		break;
678 	}
679 
680 	if (error == EPASSTHROUGH)
681 		error = ENOTTY;
682 
683 	/*
684 	 * Copy any data to user, size was
685 	 * already set and checked above.
686 	 */
687 	if (error == 0 && (com&IOC_OUT) && size32) {
688 		error = copyout(data32, SCARG_P32(uap, data), size32);
689 		ktrgenio(fd, UIO_READ, SCARG_P32(uap, data),
690 		    size32, error);
691 	}
692 
693 	/* If we allocated data, free it here. */
694 	if (memp32)
695 		kmem_free(memp32, (size_t)size32);
696 	if (memp)
697 		kmem_free(memp, (size_t)size);
698  out:
699 	fd_putfile(fd);
700 	return (error);
701 }
702