linux32_socket.c revision 1.11 1 /* $NetBSD: linux32_socket.c,v 1.11 2009/11/13 21:45:03 joerg Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Emmanuel Dreyfus
17 * 4. The name of the author may not be used to endorse or promote
18 * products derived from this software without specific prior written
19 * permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include <sys/cdefs.h>
35
36 __KERNEL_RCSID(0, "$NetBSD: linux32_socket.c,v 1.11 2009/11/13 21:45:03 joerg Exp $");
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/fstypes.h>
41 #include <sys/signal.h>
42 #include <sys/dirent.h>
43 #include <sys/kernel.h>
44 #include <sys/fcntl.h>
45 #include <sys/select.h>
46 #include <sys/proc.h>
47 #include <sys/ucred.h>
48 #include <sys/swap.h>
49 #include <sys/file.h>
50 #include <sys/vnode.h>
51 #include <sys/filedesc.h>
52
53 #include <machine/types.h>
54
55 #include <net/if.h>
56 #include <net/if_dl.h>
57 #include <net/if_types.h>
58 #include <net/route.h>
59
60 #include <netinet/in.h>
61 #include <netinet/ip_mroute.h>
62
63 #include <sys/syscallargs.h>
64
65 #include <compat/netbsd32/netbsd32.h>
66 #include <compat/netbsd32/netbsd32_ioctl.h>
67 #include <compat/netbsd32/netbsd32_conv.h>
68 #include <compat/netbsd32/netbsd32_syscallargs.h>
69
70 #include <compat/sys/socket.h>
71 #include <compat/sys/sockio.h>
72
73 #include <compat/linux/common/linux_types.h>
74 #include <compat/linux/common/linux_types.h>
75 #include <compat/linux/common/linux_signal.h>
76 #include <compat/linux/common/linux_machdep.h>
77 #include <compat/linux/common/linux_misc.h>
78 #include <compat/linux/common/linux_oldolduname.h>
79 #include <compat/linux/common/linux_ioctl.h>
80 #include <compat/linux/common/linux_sockio.h>
81 #include <compat/linux/common/linux_ipc.h>
82 #include <compat/linux/common/linux_sem.h>
83 #include <compat/linux/linux_syscallargs.h>
84
85 #include <compat/linux32/common/linux32_types.h>
86 #include <compat/linux32/common/linux32_signal.h>
87 #include <compat/linux32/common/linux32_machdep.h>
88 #include <compat/linux32/common/linux32_sysctl.h>
89 #include <compat/linux32/common/linux32_socketcall.h>
90 #include <compat/linux32/common/linux32_sockio.h>
91 #include <compat/linux32/common/linux32_ioctl.h>
92 #include <compat/linux32/linux32_syscallargs.h>
93
94 int linux32_getifname(struct lwp *, register_t *, void *);
95 int linux32_getifconf(struct lwp *, register_t *, void *);
96 int linux32_getifhwaddr(struct lwp *, register_t *, u_int, void *);
97
98 int
99 linux32_sys_socketpair(struct lwp *l, const struct linux32_sys_socketpair_args *uap, register_t *retval)
100 {
101 /* {
102 syscallarg(int) domain;
103 syscallarg(int) type;
104 syscallarg(int) protocol;
105 syscallarg(netbsd32_intp) rsv;
106 } */
107 struct linux_sys_socketpair_args ua;
108
109 NETBSD32TO64_UAP(domain);
110 NETBSD32TO64_UAP(type);
111 NETBSD32TO64_UAP(protocol);
112 NETBSD32TOP_UAP(rsv, int)
113
114 return linux_sys_socketpair(l, &ua, retval);
115 }
116
117 int
118 linux32_sys_sendto(struct lwp *l, const struct linux32_sys_sendto_args *uap, register_t *retval)
119 {
120 /* {
121 syscallarg(int) s;
122 syscallarg(netbsd32_voidp) msg;
123 syscallarg(int) len;
124 syscallarg(int) flags;
125 syscallarg(netbsd32_osockaddrp_t) to;
126 syscallarg(int) tolen;
127 } */
128 struct linux_sys_sendto_args ua;
129
130 NETBSD32TO64_UAP(s);
131 NETBSD32TOP_UAP(msg, void);
132 NETBSD32TO64_UAP(len);
133 NETBSD32TO64_UAP(flags);
134 NETBSD32TOP_UAP(to, struct osockaddr);
135 NETBSD32TO64_UAP(tolen);
136
137 return linux_sys_sendto(l, &ua, retval);
138 }
139
140
141 int
142 linux32_sys_recvfrom(struct lwp *l, const struct linux32_sys_recvfrom_args *uap, register_t *retval)
143 {
144 /* {
145 syscallarg(int) s;
146 syscallarg(netbsd32_voidp) buf;
147 syscallarg(netbsd32_size_t) len;
148 syscallarg(int) flags;
149 syscallarg(netbsd32_osockaddrp_t) from;
150 syscallarg(netbsd32_intp) fromlenaddr;
151 } */
152 struct linux_sys_recvfrom_args ua;
153
154 NETBSD32TO64_UAP(s);
155 NETBSD32TOP_UAP(buf, void);
156 NETBSD32TO64_UAP(len);
157 NETBSD32TO64_UAP(flags);
158 NETBSD32TOP_UAP(from, struct osockaddr);
159 NETBSD32TOP_UAP(fromlenaddr, unsigned int);
160
161 return linux_sys_recvfrom(l, &ua, retval);
162 }
163
164 int
165 linux32_sys_setsockopt(struct lwp *l, const struct linux32_sys_setsockopt_args *uap, register_t *retval)
166 {
167 /* {
168 syscallarg(int) s;
169 syscallarg(int) level;
170 syscallarg(int) optname;
171 syscallarg(netbsd32_voidp) optval;
172 syscallarg(int) optlen;
173 } */
174 struct linux_sys_setsockopt_args ua;
175
176 NETBSD32TO64_UAP(s);
177 NETBSD32TO64_UAP(level);
178 NETBSD32TO64_UAP(optname);
179 NETBSD32TOP_UAP(optval, void);
180 NETBSD32TO64_UAP(optlen);
181
182 return linux_sys_setsockopt(l, &ua, retval);
183 }
184
185
186 int
187 linux32_sys_getsockopt(struct lwp *l, const struct linux32_sys_getsockopt_args *uap, register_t *retval)
188 {
189 /* {
190 syscallarg(int) s;
191 syscallarg(int) level;
192 syscallarg(int) optname;
193 syscallarg(netbsd32_voidp) optval;
194 syscallarg(netbsd32_intp) optlen;
195 } */
196 struct linux_sys_getsockopt_args ua;
197
198 NETBSD32TO64_UAP(s);
199 NETBSD32TO64_UAP(level);
200 NETBSD32TO64_UAP(optname);
201 NETBSD32TOP_UAP(optval, void);
202 NETBSD32TOP_UAP(optlen, int);
203
204 return linux_sys_getsockopt(l, &ua, retval);
205 }
206
207 int
208 linux32_sys_socket(struct lwp *l, const struct linux32_sys_socket_args *uap, register_t *retval)
209 {
210 /* {
211 syscallarg(int) domain;
212 syscallarg(int) type;
213 syscallarg(int) protocol;
214 } */
215 struct linux_sys_socket_args ua;
216
217 NETBSD32TO64_UAP(domain);
218 NETBSD32TO64_UAP(type);
219 NETBSD32TO64_UAP(protocol);
220
221 return linux_sys_socket(l, &ua, retval);
222 }
223
224 int
225 linux32_sys_bind(struct lwp *l, const struct linux32_sys_bind_args *uap, register_t *retval)
226 {
227 /* {
228 syscallarg(int) s;
229 syscallarg(netbsd32_osockaddrp_t) name;
230 syscallarg(int) namelen;
231 } */
232 struct linux_sys_bind_args ua;
233
234 NETBSD32TO64_UAP(s);
235 NETBSD32TOP_UAP(name, struct osockaddr)
236 NETBSD32TO64_UAP(namelen);
237
238 return linux_sys_bind(l, &ua, retval);
239 }
240
241 int
242 linux32_sys_connect(struct lwp *l, const struct linux32_sys_connect_args *uap, register_t *retval)
243 {
244 /* {
245 syscallarg(int) s;
246 syscallarg(netbsd32_osockaddrp_t) name;
247 syscallarg(int) namelen;
248 } */
249 struct linux_sys_connect_args ua;
250
251 NETBSD32TO64_UAP(s);
252 NETBSD32TOP_UAP(name, struct osockaddr)
253 NETBSD32TO64_UAP(namelen);
254
255 #ifdef DEBUG_LINUX
256 printf("linux32_sys_connect: s = %d, name = %p, namelen = %d\n",
257 SCARG(&ua, s), SCARG(&ua, name), SCARG(&ua, namelen));
258 #endif
259
260 return linux_sys_connect(l, &ua, retval);
261 }
262
263 int
264 linux32_sys_accept(struct lwp *l, const struct linux32_sys_accept_args *uap, register_t *retval)
265 {
266 /* {
267 syscallarg(int) s;
268 syscallarg(netbsd32_osockaddrp_t) name;
269 syscallarg(netbsd32_intp) anamelen;
270 } */
271 struct linux_sys_accept_args ua;
272
273 NETBSD32TO64_UAP(s);
274 NETBSD32TOP_UAP(name, struct osockaddr)
275 NETBSD32TOP_UAP(anamelen, int);
276
277 return linux_sys_accept(l, &ua, retval);
278 }
279
280 int
281 linux32_sys_getpeername(struct lwp *l, const struct linux32_sys_getpeername_args *uap, register_t *retval)
282 {
283 /* {
284 syscallarg(int) fdes;
285 syscallarg(netbsd32_sockaddrp_t) asa;
286 syscallarg(netbsd32_intp) alen;
287 } */
288 struct linux_sys_getpeername_args ua;
289
290 NETBSD32TO64_UAP(fdes);
291 NETBSD32TOP_UAP(asa, struct sockaddr)
292 NETBSD32TOP_UAP(alen, int);
293
294 return linux_sys_getpeername(l, &ua, retval);
295 }
296
297 int
298 linux32_sys_getsockname(struct lwp *l, const struct linux32_sys_getsockname_args *uap, register_t *retval)
299 {
300 /* {
301 syscallarg(int) fdec;
302 syscallarg(netbsd32_charp) asa;
303 syscallarg(netbsd32_intp) alen;
304 } */
305 struct linux_sys_getsockname_args ua;
306
307 NETBSD32TO64_UAP(fdec);
308 NETBSD32TOP_UAP(asa, char)
309 NETBSD32TOP_UAP(alen, int);
310
311 return linux_sys_getsockname(l, &ua, retval);
312 }
313
314 int
315 linux32_sys_sendmsg(struct lwp *l, const struct linux32_sys_sendmsg_args *uap, register_t *retval)
316 {
317 /* {
318 syscallarg(int) s;
319 syscallarg(netbsd32_msghdrp_t) msg;
320 syscallarg(int) flags;
321 } */
322 struct linux_sys_sendmsg_args ua;
323
324 NETBSD32TO64_UAP(s);
325 NETBSD32TOP_UAP(msg, struct msghdr);
326 NETBSD32TO64_UAP(flags);
327
328 return linux_sys_sendmsg(l, &ua, retval);
329 }
330
331 int
332 linux32_sys_recvmsg(struct lwp *l, const struct linux32_sys_recvmsg_args *uap, register_t *retval)
333 {
334 /* {
335 syscallarg(int) s;
336 syscallarg(netbsd32_msghdrp_t) msg;
337 syscallarg(int) flags;
338 } */
339 struct linux_sys_recvmsg_args ua;
340
341 NETBSD32TO64_UAP(s);
342 NETBSD32TOP_UAP(msg, struct msghdr);
343 NETBSD32TO64_UAP(flags);
344
345 return linux_sys_recvmsg(l, &ua, retval);
346 }
347
348 int
349 linux32_sys_send(struct lwp *l, const struct linux32_sys_send_args *uap, register_t *retval)
350 {
351 /* {
352 syscallarg(int) s;
353 syscallarg(netbsd32_voidp) buf;
354 syscallarg(int) len;
355 syscallarg(int) flags;
356 } */
357 struct sys_sendto_args ua;
358
359 NETBSD32TO64_UAP(s);
360 NETBSD32TOP_UAP(buf, void);
361 NETBSD32TO64_UAP(len);
362 NETBSD32TO64_UAP(flags);
363 SCARG(&ua, to) = NULL;
364 SCARG(&ua, tolen) = 0;
365
366 return sys_sendto(l, &ua, retval);
367 }
368
369 int
370 linux32_sys_recv(struct lwp *l, const struct linux32_sys_recv_args *uap, register_t *retval)
371 {
372 /* {
373 syscallarg(int) s;
374 syscallarg(netbsd32_voidp) buf;
375 syscallarg(int) len;
376 syscallarg(int) flags;
377 } */
378 struct sys_recvfrom_args ua;
379
380 NETBSD32TO64_UAP(s);
381 NETBSD32TOP_UAP(buf, void);
382 NETBSD32TO64_UAP(len);
383 NETBSD32TO64_UAP(flags);
384 SCARG(&ua, from) = NULL;
385 SCARG(&ua, fromlenaddr) = NULL;
386
387 return sys_recvfrom(l, &ua, retval);
388 }
389
390 int
391 linux32_getifname(struct lwp *l, register_t *retval, void *data)
392 {
393 struct ifnet *ifp;
394 struct linux32_ifreq ifr;
395 int error;
396
397 error = copyin(data, &ifr, sizeof(ifr));
398 if (error)
399 return error;
400
401 if (ifr.ifr_ifru.ifru_ifindex >= if_indexlim)
402 return ENODEV;
403
404 ifp = ifindex2ifnet[ifr.ifr_ifru.ifru_ifindex];
405 if (ifp == NULL)
406 return ENODEV;
407
408 strncpy(ifr.ifr_name, ifp->if_xname, sizeof(ifr.ifr_name));
409
410 error = copyout(&ifr, data, sizeof(ifr));
411
412 return 0;
413 }
414
415 int
416 linux32_getifconf(struct lwp *l, register_t *retval, void *data)
417 {
418 struct linux32_ifreq ifr, *ifrp;
419 struct netbsd32_ifconf *ifc = data;
420 struct ifnet *ifp;
421 struct ifaddr *ifa;
422 struct sockaddr *sa;
423 struct osockaddr *osa;
424 int space, error = 0;
425 const int sz = (int)sizeof(ifr);
426
427 ifrp = (struct linux32_ifreq *)NETBSD32PTR64(ifc->ifc_req);
428 if (ifrp == NULL)
429 space = 0;
430 else
431 space = ifc->ifc_len;
432
433 IFNET_FOREACH(ifp) {
434 (void)strncpy(ifr.ifr_name, ifp->if_xname,
435 sizeof(ifr.ifr_name));
436 if (ifr.ifr_name[sizeof(ifr.ifr_name) - 1] != '\0')
437 return ENAMETOOLONG;
438 if (IFADDR_EMPTY(ifp))
439 continue;
440 IFADDR_FOREACH(ifa, ifp) {
441 sa = ifa->ifa_addr;
442 if (sa->sa_family != AF_INET ||
443 sa->sa_len > sizeof(*osa))
444 continue;
445 memcpy(&ifr.ifr_addr, sa, sa->sa_len);
446 osa = (struct osockaddr *)&ifr.ifr_addr;
447 osa->sa_family = sa->sa_family;
448 if (space >= sz) {
449 error = copyout(&ifr, ifrp, sz);
450 if (error != 0)
451 return error;
452 ifrp++;
453 }
454 space -= sz;
455 }
456 }
457
458 if (ifrp != NULL)
459 ifc->ifc_len -= space;
460 else
461 ifc->ifc_len = -space;
462
463 return 0;
464 }
465
466 int
467 linux32_getifhwaddr(struct lwp *l, register_t *retval, u_int fd,
468 void *data)
469 {
470 struct linux32_ifreq lreq;
471 file_t *fp;
472 struct ifaddr *ifa;
473 struct ifnet *ifp;
474 struct sockaddr_dl *sadl;
475 int error, found;
476 int index, ifnum;
477
478 /*
479 * We can't emulate this ioctl by calling sys_ioctl() to run
480 * SIOCGIFCONF, because the user buffer is not of the right
481 * type to take those results. We can't use kernel buffers to
482 * receive the results, as the implementation of sys_ioctl()
483 * and ifconf() [which implements SIOCGIFCONF] use
484 * copyin()/copyout() which will fail on kernel addresses.
485 *
486 * So, we must duplicate code from sys_ioctl() and ifconf(). Ugh.
487 */
488
489 if ((fp = fd_getfile(fd)) == NULL)
490 return (EBADF);
491
492 KERNEL_LOCK(1, NULL);
493
494 if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
495 error = EBADF;
496 goto out;
497 }
498
499 error = copyin(data, &lreq, sizeof(lreq));
500 if (error)
501 goto out;
502 lreq.ifr_name[LINUX32_IFNAMSIZ-1] = '\0'; /* just in case */
503
504 /*
505 * Try real interface name first, then fake "ethX"
506 */
507 found = 0;
508 IFNET_FOREACH(ifp) {
509 if (found)
510 break;
511 if (strcmp(lreq.ifr_name, ifp->if_xname))
512 /* not this interface */
513 continue;
514 found=1;
515 if (IFADDR_EMPTY(ifp)) {
516 error = ENODEV;
517 goto out;
518 }
519 IFADDR_FOREACH(ifa, ifp) {
520 sadl = satosdl(ifa->ifa_addr);
521 /* only return ethernet addresses */
522 /* XXX what about FDDI, etc. ? */
523 if (sadl->sdl_family != AF_LINK ||
524 sadl->sdl_type != IFT_ETHER)
525 continue;
526 memcpy(&lreq.ifr_hwaddr.sa_data, CLLADDR(sadl),
527 MIN(sadl->sdl_alen,
528 sizeof(lreq.ifr_hwaddr.sa_data)));
529 lreq.ifr_hwaddr.sa_family =
530 sadl->sdl_family;
531 error = copyout(&lreq, data, sizeof(lreq));
532 goto out;
533 }
534 }
535
536 if (strncmp(lreq.ifr_name, "eth", 3) == 0) {
537 for (ifnum = 0, index = 3;
538 lreq.ifr_name[index] != '\0' && index < LINUX32_IFNAMSIZ;
539 index++) {
540 ifnum *= 10;
541 ifnum += lreq.ifr_name[index] - '0';
542 }
543
544 error = EINVAL; /* in case we don't find one */
545 found = 0;
546 IFNET_FOREACH(ifp) {
547 if (found)
548 break;
549 memcpy(lreq.ifr_name, ifp->if_xname,
550 MIN(LINUX32_IFNAMSIZ, IFNAMSIZ));
551 IFADDR_FOREACH(ifa, ifp) {
552 sadl = satosdl(ifa->ifa_addr);
553 /* only return ethernet addresses */
554 /* XXX what about FDDI, etc. ? */
555 if (sadl->sdl_family != AF_LINK ||
556 sadl->sdl_type != IFT_ETHER)
557 continue;
558 if (ifnum--)
559 /* not the reqested iface */
560 continue;
561 memcpy(&lreq.ifr_hwaddr.sa_data,
562 CLLADDR(sadl),
563 MIN(sadl->sdl_alen,
564 sizeof(lreq.ifr_hwaddr.sa_data)));
565 lreq.ifr_hwaddr.sa_family =
566 sadl->sdl_family;
567 error = copyout(&lreq, data, sizeof(lreq));
568 found = 1;
569 break;
570 }
571 }
572 } else {
573 /* unknown interface, not even an "eth*" name */
574 error = ENODEV;
575 }
576
577 out:
578 KERNEL_UNLOCK_ONE(NULL);
579 fd_putfile(fd);
580 return error;
581 }
582
583 int
584 linux32_ioctl_socket(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval)
585 {
586 /* {
587 syscallarg(int) fd;
588 syscallarg(u_long) com;
589 syscallarg(void *) data;
590 } */
591 u_long com;
592 int error = 0, isdev = 0, dosys = 1;
593 struct netbsd32_ioctl_args ia;
594 file_t *fp;
595 struct vnode *vp;
596 int (*ioctlf)(file_t *, u_long, void *);
597 struct ioctl_pt pt;
598
599 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL)
600 return (EBADF);
601
602 if (fp->f_type == DTYPE_VNODE) {
603 vp = (struct vnode *)fp->f_data;
604 isdev = vp->v_type == VCHR;
605 }
606
607 /*
608 * Don't try to interpret socket ioctl calls that are done
609 * on a device filedescriptor, just pass them through, to
610 * emulate Linux behaviour. Use PTIOCLINUX so that the
611 * device will only handle these if it's prepared to do
612 * so, to avoid unexpected things from happening.
613 */
614 if (isdev) {
615 dosys = 0;
616 ioctlf = fp->f_ops->fo_ioctl;
617 pt.com = SCARG(uap, com);
618 pt.data = (void *)NETBSD32PTR64(SCARG(uap, data));
619 error = ioctlf(fp, PTIOCLINUX, &pt);
620 /*
621 * XXX hack: if the function returns EJUSTRETURN,
622 * it has stuffed a sysctl return value in pt.data.
623 */
624 if (error == EJUSTRETURN) {
625 retval[0] = (register_t)pt.data;
626 error = 0;
627 }
628 goto out;
629 }
630
631 com = SCARG(uap, com);
632 retval[0] = 0;
633
634 switch (com) {
635 case LINUX_SIOCGIFNAME:
636 error = linux32_getifname(l, retval, SCARG_P32(uap, data));
637 dosys = 0;
638 break;
639 case LINUX_SIOCGIFCONF:
640 error = linux32_getifconf(l, retval, SCARG_P32(uap, data));
641 dosys = 0;
642 break;
643 case LINUX_SIOCGIFFLAGS:
644 SCARG(&ia, com) = OSIOCGIFFLAGS;
645 break;
646 case LINUX_SIOCSIFFLAGS:
647 SCARG(&ia, com) = OSIOCSIFFLAGS;
648 break;
649 case LINUX_SIOCGIFADDR:
650 SCARG(&ia, com) = OOSIOCGIFADDR;
651 break;
652 case LINUX_SIOCGIFDSTADDR:
653 SCARG(&ia, com) = OOSIOCGIFDSTADDR;
654 break;
655 case LINUX_SIOCGIFBRDADDR:
656 SCARG(&ia, com) = OOSIOCGIFBRDADDR;
657 break;
658 case LINUX_SIOCGIFNETMASK:
659 SCARG(&ia, com) = OOSIOCGIFNETMASK;
660 break;
661 case LINUX_SIOCADDMULTI:
662 SCARG(&ia, com) = OSIOCADDMULTI;
663 break;
664 case LINUX_SIOCDELMULTI:
665 SCARG(&ia, com) = OSIOCDELMULTI;
666 break;
667 case LINUX_SIOCGIFHWADDR:
668 error = linux32_getifhwaddr(l, retval, SCARG(uap, fd),
669 SCARG_P32(uap, data));
670 dosys = 0;
671 break;
672 default:
673 error = EINVAL;
674 }
675
676 out:
677 fd_putfile(SCARG(uap, fd));
678
679 if (error == 0 && dosys) {
680 SCARG(&ia, fd) = SCARG(uap, fd);
681 SCARG(&ia, data) = SCARG(uap, data);
682 error = netbsd32_ioctl(curlwp, &ia, retval);
683 }
684
685 return error;
686 }
687