1 /* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
2 /* $FreeBSD: stable/10/sbin/ifconfig/ifmedia.c 300285 2016-05-20 07:14:03Z truckman $ */
3
4 /*
5 * Copyright (c) 1997 Jason R. Thorpe.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
19 * by Jason R. Thorpe.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 /*
37 * Copyright (c) 1983, 1993
38 * The Regents of the University of California. All rights reserved.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 4. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * SUCH DAMAGE.
63 */
64
65 #include <sys/param.h>
66 #include <sys/ioctl.h>
67 #include <sys/socket.h>
68 #include <sys/sysctl.h>
69 #include <sys/time.h>
70
71 #include <net/if.h>
72 #include <net/if_dl.h>
73 #include <net/if_types.h>
74 #include <net/if_media.h>
75 #include <net/route.h>
76
77 #include <ctype.h>
78 #include <err.h>
79 #include <errno.h>
80 #include <fcntl.h>
81 #include <stdio.h>
82 #include <stdlib.h>
83 #include <string.h>
84 #include <unistd.h>
85
86 #include "ifconfig.h"
87
88 static void domediaopt(const char *, int, int);
89 static int get_media_subtype(int, const char *);
90 static int get_media_mode(int, const char *);
91 static int get_media_options(int, const char *);
92 static int lookup_media_word(struct ifmedia_description *, const char *);
93 static void print_media_word(int, int);
94 static void print_media_word_ifconfig(int);
95
96 static struct ifmedia_description *get_toptype_desc(int);
97 static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
98 static struct ifmedia_description *get_subtype_desc(int,
99 struct ifmedia_type_to_subtype *ttos);
100
101 #define IFM_OPMODE(x) \
102 ((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \
103 IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \
104 IFM_IEEE80211_MBSS))
105 #define IFM_IEEE80211_STA 0
106
107 static void
media_status(int s)108 media_status(int s)
109 {
110 struct ifmediareq ifmr;
111 int *media_list, i;
112 int xmedia = 1;
113
114 (void) memset(&ifmr, 0, sizeof(ifmr));
115 (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
116
117 /*
118 * Check if interface supports extended media types.
119 */
120 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
121 xmedia = 0;
122 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
123 /*
124 * Interface doesn't support SIOC{G,S}IFMEDIA.
125 */
126 return;
127 }
128
129 if (ifmr.ifm_count == 0) {
130 warnx("%s: no media types?", name);
131 return;
132 }
133
134 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
135 if (media_list == NULL)
136 err(1, "malloc");
137 ifmr.ifm_ulist = media_list;
138
139 if (xmedia) {
140 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
141 err(1, "SIOCGIFXMEDIA");
142 } else {
143 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
144 err(1, "SIOCGIFMEDIA");
145 }
146
147 printf("\tmedia: ");
148 print_media_word(ifmr.ifm_current, 1);
149 if (ifmr.ifm_active != ifmr.ifm_current) {
150 putchar(' ');
151 putchar('(');
152 print_media_word(ifmr.ifm_active, 0);
153 putchar(')');
154 }
155
156 putchar('\n');
157
158 if (ifmr.ifm_status & IFM_AVALID) {
159 printf("\tstatus: ");
160 switch (IFM_TYPE(ifmr.ifm_active)) {
161 case IFM_ETHER:
162 case IFM_ATM:
163 if (ifmr.ifm_status & IFM_ACTIVE)
164 printf("active");
165 else
166 printf("no carrier");
167 break;
168
169 case IFM_FDDI:
170 case IFM_TOKEN:
171 if (ifmr.ifm_status & IFM_ACTIVE)
172 printf("inserted");
173 else
174 printf("no ring");
175 break;
176
177 case IFM_IEEE80211:
178 if (ifmr.ifm_status & IFM_ACTIVE) {
179 /* NB: only sta mode associates */
180 if (IFM_OPMODE(ifmr.ifm_active) == IFM_IEEE80211_STA)
181 printf("associated");
182 else
183 printf("running");
184 } else
185 printf("no carrier");
186 break;
187 }
188 putchar('\n');
189 }
190
191 if (ifmr.ifm_count > 0 && supmedia) {
192 printf("\tsupported media:\n");
193 for (i = 0; i < ifmr.ifm_count; i++) {
194 printf("\t\t");
195 print_media_word_ifconfig(media_list[i]);
196 putchar('\n');
197 }
198 }
199
200 free(media_list);
201 }
202
203 struct ifmediareq *
ifmedia_getstate(int s)204 ifmedia_getstate(int s)
205 {
206 static struct ifmediareq *ifmr = NULL;
207 int *mwords;
208 int xmedia = 1;
209
210 if (ifmr == NULL) {
211 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
212 if (ifmr == NULL)
213 err(1, "malloc");
214
215 (void) memset(ifmr, 0, sizeof(struct ifmediareq));
216 (void) strlcpy(ifmr->ifm_name, name,
217 sizeof(ifmr->ifm_name));
218
219 ifmr->ifm_count = 0;
220 ifmr->ifm_ulist = NULL;
221
222 /*
223 * We must go through the motions of reading all
224 * supported media because we need to know both
225 * the current media type and the top-level type.
226 */
227
228 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) {
229 xmedia = 0;
230 }
231 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) {
232 err(1, "SIOCGIFMEDIA");
233 }
234
235 if (ifmr->ifm_count == 0)
236 errx(1, "%s: no media types?", name);
237
238 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int));
239 if (mwords == NULL)
240 err(1, "malloc");
241
242 ifmr->ifm_ulist = mwords;
243 if (xmedia) {
244 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0)
245 err(1, "SIOCGIFXMEDIA");
246 } else {
247 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0)
248 err(1, "SIOCGIFMEDIA");
249 }
250 }
251
252 return ifmr;
253 }
254
255 static void
setifmediacallback(int s,void * arg)256 setifmediacallback(int s, void *arg)
257 {
258 struct ifmediareq *ifmr = (struct ifmediareq *)arg;
259 static int did_it = 0;
260
261 if (!did_it) {
262 ifr.ifr_media = ifmr->ifm_current;
263 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
264 err(1, "SIOCSIFMEDIA (media)");
265 free(ifmr->ifm_ulist);
266 free(ifmr);
267 did_it = 1;
268 }
269 }
270
271 static void
setmedia(const char * val,int d,int s,const struct afswtch * afp)272 setmedia(const char *val, int d, int s, const struct afswtch *afp)
273 {
274 struct ifmediareq *ifmr;
275 int subtype;
276
277 ifmr = ifmedia_getstate(s);
278
279 /*
280 * We are primarily concerned with the top-level type.
281 * However, "current" may be only IFM_NONE, so we just look
282 * for the top-level type in the first "supported type"
283 * entry.
284 *
285 * (I'm assuming that all supported media types for a given
286 * interface will be the same top-level type..)
287 */
288 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
289
290 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
291 ifr.ifr_media = (ifmr->ifm_current & IFM_IMASK) |
292 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
293
294 ifmr->ifm_current = ifr.ifr_media;
295 callback_register(setifmediacallback, (void *)ifmr);
296 }
297
298 static void
setmediaopt(const char * val,int d,int s,const struct afswtch * afp)299 setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
300 {
301
302 domediaopt(val, 0, s);
303 }
304
305 static void
unsetmediaopt(const char * val,int d,int s,const struct afswtch * afp)306 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
307 {
308
309 domediaopt(val, 1, s);
310 }
311
312 static void
domediaopt(const char * val,int clear,int s)313 domediaopt(const char *val, int clear, int s)
314 {
315 struct ifmediareq *ifmr;
316 int options;
317
318 ifmr = ifmedia_getstate(s);
319
320 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
321
322 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
323 ifr.ifr_media = ifmr->ifm_current;
324 if (clear)
325 ifr.ifr_media &= ~options;
326 else {
327 if (options & IFM_HDX) {
328 ifr.ifr_media &= ~IFM_FDX;
329 options &= ~IFM_HDX;
330 }
331 ifr.ifr_media |= options;
332 }
333 ifmr->ifm_current = ifr.ifr_media;
334 callback_register(setifmediacallback, (void *)ifmr);
335 }
336
337 static void
setmediainst(const char * val,int d,int s,const struct afswtch * afp)338 setmediainst(const char *val, int d, int s, const struct afswtch *afp)
339 {
340 struct ifmediareq *ifmr;
341 int inst;
342
343 ifmr = ifmedia_getstate(s);
344
345 inst = atoi(val);
346 if (inst < 0 || inst > (int)IFM_INST_MAX)
347 errx(1, "invalid media instance: %s", val);
348
349 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
350 ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT;
351
352 ifmr->ifm_current = ifr.ifr_media;
353 callback_register(setifmediacallback, (void *)ifmr);
354 }
355
356 static void
setmediamode(const char * val,int d,int s,const struct afswtch * afp)357 setmediamode(const char *val, int d, int s, const struct afswtch *afp)
358 {
359 struct ifmediareq *ifmr;
360 int mode;
361
362 ifmr = ifmedia_getstate(s);
363
364 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
365
366 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
367 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
368
369 ifmr->ifm_current = ifr.ifr_media;
370 callback_register(setifmediacallback, (void *)ifmr);
371 }
372
373 /**********************************************************************
374 * A good chunk of this is duplicated from sys/net/ifmedia.c
375 **********************************************************************/
376
377 static struct ifmedia_description ifm_type_descriptions[] =
378 IFM_TYPE_DESCRIPTIONS;
379
380 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
381 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
382
383 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
384 IFM_SUBTYPE_ETHERNET_ALIASES;
385
386 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
387 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
388
389 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] =
390 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS;
391
392 static struct ifmedia_description ifm_subtype_tokenring_aliases[] =
393 IFM_SUBTYPE_TOKENRING_ALIASES;
394
395 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] =
396 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS;
397
398 static struct ifmedia_description ifm_subtype_fddi_descriptions[] =
399 IFM_SUBTYPE_FDDI_DESCRIPTIONS;
400
401 static struct ifmedia_description ifm_subtype_fddi_aliases[] =
402 IFM_SUBTYPE_FDDI_ALIASES;
403
404 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] =
405 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS;
406
407 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
408 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
409
410 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
411 IFM_SUBTYPE_IEEE80211_ALIASES;
412
413 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
414 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
415
416 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
417 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
418
419 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
420 IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
421
422 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
423 IFM_SUBTYPE_ATM_DESCRIPTIONS;
424
425 static struct ifmedia_description ifm_subtype_atm_aliases[] =
426 IFM_SUBTYPE_ATM_ALIASES;
427
428 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
429 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
430
431 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
432 IFM_SUBTYPE_SHARED_DESCRIPTIONS;
433
434 static struct ifmedia_description ifm_subtype_shared_aliases[] =
435 IFM_SUBTYPE_SHARED_ALIASES;
436
437 static struct ifmedia_description ifm_shared_option_descriptions[] =
438 IFM_SHARED_OPTION_DESCRIPTIONS;
439
440 static struct ifmedia_description ifm_shared_option_aliases[] =
441 IFM_SHARED_OPTION_ALIASES;
442
443 struct ifmedia_type_to_subtype {
444 struct {
445 struct ifmedia_description *desc;
446 int alias;
447 } subtypes[5];
448 struct {
449 struct ifmedia_description *desc;
450 int alias;
451 } options[4];
452 struct {
453 struct ifmedia_description *desc;
454 int alias;
455 } modes[3];
456 };
457
458 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
459 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
460 {
461 {
462 { &ifm_subtype_shared_descriptions[0], 0 },
463 { &ifm_subtype_shared_aliases[0], 1 },
464 { &ifm_subtype_ethernet_descriptions[0], 0 },
465 { &ifm_subtype_ethernet_aliases[0], 1 },
466 { NULL, 0 },
467 },
468 {
469 { &ifm_shared_option_descriptions[0], 0 },
470 { &ifm_shared_option_aliases[0], 1 },
471 { &ifm_subtype_ethernet_option_descriptions[0], 0 },
472 { NULL, 0 },
473 },
474 {
475 { NULL, 0 },
476 },
477 },
478 {
479 {
480 { &ifm_subtype_shared_descriptions[0], 0 },
481 { &ifm_subtype_shared_aliases[0], 1 },
482 { &ifm_subtype_tokenring_descriptions[0], 0 },
483 { &ifm_subtype_tokenring_aliases[0], 1 },
484 { NULL, 0 },
485 },
486 {
487 { &ifm_shared_option_descriptions[0], 0 },
488 { &ifm_shared_option_aliases[0], 1 },
489 { &ifm_subtype_tokenring_option_descriptions[0], 0 },
490 { NULL, 0 },
491 },
492 {
493 { NULL, 0 },
494 },
495 },
496 {
497 {
498 { &ifm_subtype_shared_descriptions[0], 0 },
499 { &ifm_subtype_shared_aliases[0], 1 },
500 { &ifm_subtype_fddi_descriptions[0], 0 },
501 { &ifm_subtype_fddi_aliases[0], 1 },
502 { NULL, 0 },
503 },
504 {
505 { &ifm_shared_option_descriptions[0], 0 },
506 { &ifm_shared_option_aliases[0], 1 },
507 { &ifm_subtype_fddi_option_descriptions[0], 0 },
508 { NULL, 0 },
509 },
510 {
511 { NULL, 0 },
512 },
513 },
514 {
515 {
516 { &ifm_subtype_shared_descriptions[0], 0 },
517 { &ifm_subtype_shared_aliases[0], 1 },
518 { &ifm_subtype_ieee80211_descriptions[0], 0 },
519 { &ifm_subtype_ieee80211_aliases[0], 1 },
520 { NULL, 0 },
521 },
522 {
523 { &ifm_shared_option_descriptions[0], 0 },
524 { &ifm_shared_option_aliases[0], 1 },
525 { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
526 { NULL, 0 },
527 },
528 {
529 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
530 { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
531 { NULL, 0 },
532 },
533 },
534 {
535 {
536 { &ifm_subtype_shared_descriptions[0], 0 },
537 { &ifm_subtype_shared_aliases[0], 1 },
538 { &ifm_subtype_atm_descriptions[0], 0 },
539 { &ifm_subtype_atm_aliases[0], 1 },
540 { NULL, 0 },
541 },
542 {
543 { &ifm_shared_option_descriptions[0], 0 },
544 { &ifm_shared_option_aliases[0], 1 },
545 { &ifm_subtype_atm_option_descriptions[0], 0 },
546 { NULL, 0 },
547 },
548 {
549 { NULL, 0 },
550 },
551 },
552 };
553
554 static int
get_media_subtype(int type,const char * val)555 get_media_subtype(int type, const char *val)
556 {
557 struct ifmedia_description *desc;
558 struct ifmedia_type_to_subtype *ttos;
559 int rval, i;
560
561 /* Find the top-level interface type. */
562 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
563 desc->ifmt_string != NULL; desc++, ttos++)
564 if (type == desc->ifmt_word)
565 break;
566 if (desc->ifmt_string == NULL)
567 errx(1, "unknown media type 0x%x", type);
568
569 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
570 rval = lookup_media_word(ttos->subtypes[i].desc, val);
571 if (rval != -1)
572 return (rval);
573 }
574 errx(1, "unknown media subtype: %s", val);
575 /*NOTREACHED*/
576 }
577
578 static int
get_media_mode(int type,const char * val)579 get_media_mode(int type, const char *val)
580 {
581 struct ifmedia_description *desc;
582 struct ifmedia_type_to_subtype *ttos;
583 int rval, i;
584
585 /* Find the top-level interface type. */
586 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
587 desc->ifmt_string != NULL; desc++, ttos++)
588 if (type == desc->ifmt_word)
589 break;
590 if (desc->ifmt_string == NULL)
591 errx(1, "unknown media mode 0x%x", type);
592
593 for (i = 0; ttos->modes[i].desc != NULL; i++) {
594 rval = lookup_media_word(ttos->modes[i].desc, val);
595 if (rval != -1)
596 return (rval);
597 }
598 return -1;
599 }
600
601 static int
get_media_options(int type,const char * val)602 get_media_options(int type, const char *val)
603 {
604 struct ifmedia_description *desc;
605 struct ifmedia_type_to_subtype *ttos;
606 char *optlist, *optptr;
607 int option = 0, i, rval = 0;
608
609 /* We muck with the string, so copy it. */
610 optlist = strdup(val);
611 if (optlist == NULL)
612 err(1, "strdup");
613
614 /* Find the top-level interface type. */
615 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
616 desc->ifmt_string != NULL; desc++, ttos++)
617 if (type == desc->ifmt_word)
618 break;
619 if (desc->ifmt_string == NULL)
620 errx(1, "unknown media type 0x%x", type);
621
622 /*
623 * Look up the options in the user-provided comma-separated
624 * list.
625 */
626 optptr = optlist;
627 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
628 for (i = 0; ttos->options[i].desc != NULL; i++) {
629 option = lookup_media_word(ttos->options[i].desc, optptr);
630 if (option != -1)
631 break;
632 }
633 if (option == 0)
634 errx(1, "unknown option: %s", optptr);
635 rval |= option;
636 }
637
638 free(optlist);
639 return (rval);
640 }
641
642 static int
lookup_media_word(struct ifmedia_description * desc,const char * val)643 lookup_media_word(struct ifmedia_description *desc, const char *val)
644 {
645
646 for (; desc->ifmt_string != NULL; desc++)
647 if (strcasecmp(desc->ifmt_string, val) == 0)
648 return (desc->ifmt_word);
649
650 return (-1);
651 }
652
get_toptype_desc(int ifmw)653 static struct ifmedia_description *get_toptype_desc(int ifmw)
654 {
655 struct ifmedia_description *desc;
656
657 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
658 if (IFM_TYPE(ifmw) == desc->ifmt_word)
659 break;
660
661 return desc;
662 }
663
get_toptype_ttos(int ifmw)664 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
665 {
666 struct ifmedia_description *desc;
667 struct ifmedia_type_to_subtype *ttos;
668
669 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
670 desc->ifmt_string != NULL; desc++, ttos++)
671 if (IFM_TYPE(ifmw) == desc->ifmt_word)
672 break;
673
674 return ttos;
675 }
676
get_subtype_desc(int ifmw,struct ifmedia_type_to_subtype * ttos)677 static struct ifmedia_description *get_subtype_desc(int ifmw,
678 struct ifmedia_type_to_subtype *ttos)
679 {
680 int i;
681 struct ifmedia_description *desc;
682
683 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
684 if (ttos->subtypes[i].alias)
685 continue;
686 for (desc = ttos->subtypes[i].desc;
687 desc->ifmt_string != NULL; desc++) {
688 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
689 return desc;
690 }
691 }
692
693 return NULL;
694 }
695
get_mode_desc(int ifmw,struct ifmedia_type_to_subtype * ttos)696 static struct ifmedia_description *get_mode_desc(int ifmw,
697 struct ifmedia_type_to_subtype *ttos)
698 {
699 int i;
700 struct ifmedia_description *desc;
701
702 for (i = 0; ttos->modes[i].desc != NULL; i++) {
703 if (ttos->modes[i].alias)
704 continue;
705 for (desc = ttos->modes[i].desc;
706 desc->ifmt_string != NULL; desc++) {
707 if (IFM_MODE(ifmw) == desc->ifmt_word)
708 return desc;
709 }
710 }
711
712 return NULL;
713 }
714
715 static void
print_media_word(int ifmw,int print_toptype)716 print_media_word(int ifmw, int print_toptype)
717 {
718 struct ifmedia_description *desc;
719 struct ifmedia_type_to_subtype *ttos;
720 int seen_option = 0, i;
721
722 /* Find the top-level interface type. */
723 desc = get_toptype_desc(ifmw);
724 ttos = get_toptype_ttos(ifmw);
725 if (desc->ifmt_string == NULL) {
726 printf("<unknown type>");
727 return;
728 } else if (print_toptype) {
729 printf("%s", desc->ifmt_string);
730 }
731
732 /*
733 * Don't print the top-level type; it's not like we can
734 * change it, or anything.
735 */
736
737 /* Find subtype. */
738 desc = get_subtype_desc(ifmw, ttos);
739 if (desc == NULL) {
740 printf("<unknown subtype>");
741 return;
742 }
743
744 if (print_toptype)
745 putchar(' ');
746
747 printf("%s", desc->ifmt_string);
748
749 if (print_toptype) {
750 desc = get_mode_desc(ifmw, ttos);
751 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
752 printf(" mode %s", desc->ifmt_string);
753 }
754
755 /* Find options. */
756 for (i = 0; ttos->options[i].desc != NULL; i++) {
757 if (ttos->options[i].alias)
758 continue;
759 for (desc = ttos->options[i].desc;
760 desc->ifmt_string != NULL; desc++) {
761 if (ifmw & desc->ifmt_word) {
762 if (seen_option == 0)
763 printf(" <");
764 printf("%s%s", seen_option++ ? "," : "",
765 desc->ifmt_string);
766 }
767 }
768 }
769 printf("%s", seen_option ? ">" : "");
770
771 if (print_toptype && IFM_INST(ifmw) != 0)
772 printf(" instance %d", IFM_INST(ifmw));
773 }
774
775 static void
print_media_word_ifconfig(int ifmw)776 print_media_word_ifconfig(int ifmw)
777 {
778 struct ifmedia_description *desc;
779 struct ifmedia_type_to_subtype *ttos;
780 int seen_option = 0, i;
781
782 /* Find the top-level interface type. */
783 desc = get_toptype_desc(ifmw);
784 ttos = get_toptype_ttos(ifmw);
785 if (desc->ifmt_string == NULL) {
786 printf("<unknown type>");
787 return;
788 }
789
790 /*
791 * Don't print the top-level type; it's not like we can
792 * change it, or anything.
793 */
794
795 /* Find subtype. */
796 desc = get_subtype_desc(ifmw, ttos);
797 if (desc == NULL) {
798 printf("<unknown subtype>");
799 return;
800 }
801
802 printf("media %s", desc->ifmt_string);
803
804 desc = get_mode_desc(ifmw, ttos);
805 if (desc != NULL)
806 printf(" mode %s", desc->ifmt_string);
807
808 /* Find options. */
809 for (i = 0; ttos->options[i].desc != NULL; i++) {
810 if (ttos->options[i].alias)
811 continue;
812 for (desc = ttos->options[i].desc;
813 desc->ifmt_string != NULL; desc++) {
814 if (ifmw & desc->ifmt_word) {
815 if (seen_option == 0)
816 printf(" mediaopt ");
817 printf("%s%s", seen_option++ ? "," : "",
818 desc->ifmt_string);
819 }
820 }
821 }
822
823 if (IFM_INST(ifmw) != 0)
824 printf(" instance %d", IFM_INST(ifmw));
825 }
826
827 /**********************************************************************
828 * ...until here.
829 **********************************************************************/
830
831 static struct cmd media_cmds[] = {
832 DEF_CMD_ARG("media", setmedia),
833 DEF_CMD_ARG("mode", setmediamode),
834 DEF_CMD_ARG("mediaopt", setmediaopt),
835 DEF_CMD_ARG("-mediaopt",unsetmediaopt),
836 DEF_CMD_ARG("inst", setmediainst),
837 DEF_CMD_ARG("instance", setmediainst),
838 };
839 static struct afswtch af_media = {
840 .af_name = "af_media",
841 .af_af = AF_UNSPEC,
842 .af_other_status = media_status,
843 };
844
845 static __constructor void
ifmedia_ctor(void)846 ifmedia_ctor(void)
847 {
848 size_t i;
849
850 for (i = 0; i < nitems(media_cmds); i++)
851 cmd_register(&media_cmds[i]);
852 af_register(&af_media);
853 }
854