1 /* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
2 /* $FreeBSD: src/sbin/ifconfig/ifmedia.c,v 1.19.2.1 2006/03/01 22:24:23 glebius Exp $ */
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 * 3. 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 static void
media_status(int s)102 media_status(int s)
103 {
104 struct ifmediareq ifmr;
105 int *media_list, i;
106 int xmedia = 1;
107
108 memset(&ifmr, 0, sizeof(ifmr));
109 strlcpy(ifmr.ifm_name, IfName, sizeof(ifmr.ifm_name));
110
111 /*
112 * Check if interface supports extended media types.
113 */
114 if (ioctl(s, SIOCGIFXMEDIA, &ifmr) < 0)
115 xmedia = 0;
116 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, &ifmr) < 0) {
117 /*
118 * Interface doesn't support SIOC{G,S}IFMEDIA.
119 */
120 return;
121 }
122
123 if (ifmr.ifm_count == 0) {
124 warnx("%s: no media types?", IfName);
125 return;
126 }
127
128 media_list = malloc(ifmr.ifm_count * sizeof(int));
129 if (media_list == NULL)
130 err(1, "malloc");
131 ifmr.ifm_ulist = media_list;
132
133 if (xmedia) {
134 if (ioctl(s, SIOCGIFXMEDIA, &ifmr) < 0)
135 err(1, "SIOCGIFXMEDIA");
136 } else {
137 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0)
138 err(1, "SIOCGIFMEDIA");
139 }
140
141 printf("\tmedia: ");
142 print_media_word(ifmr.ifm_current, 1);
143 if (ifmr.ifm_active != ifmr.ifm_current) {
144 putchar(' ');
145 putchar('(');
146 print_media_word(ifmr.ifm_active, 0);
147 putchar(')');
148 }
149
150 putchar('\n');
151
152 if (ifmr.ifm_status & IFM_AVALID) {
153 printf("\tstatus: ");
154 switch (IFM_TYPE(ifmr.ifm_active)) {
155 case IFM_ETHER:
156 if (ifmr.ifm_status & IFM_ACTIVE)
157 printf("active");
158 else
159 printf("no carrier");
160 break;
161
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_IEEE80211:
170 /* XXX: Different value for adhoc? */
171 if (ifmr.ifm_status & IFM_ACTIVE)
172 printf("associated");
173 else
174 printf("no carrier");
175 break;
176 case IFM_CARP:
177 if (ifmr.ifm_status & IFM_ACTIVE)
178 printf("master");
179 else
180 printf("backup");
181 break;
182 }
183 putchar('\n');
184 }
185
186 if (ifmr.ifm_count > 0 && supmedia) {
187 printf("\tsupported media:\n");
188 for (i = 0; i < ifmr.ifm_count; i++) {
189 printf("\t\t");
190 print_media_word_ifconfig(media_list[i]);
191 putchar('\n');
192 }
193 }
194
195 free(media_list);
196 }
197
198 struct ifmediareq *
ifmedia_getstate(int s)199 ifmedia_getstate(int s)
200 {
201 static struct ifmediareq *ifmr = NULL;
202 int *mwords;
203 int xmedia = 1;
204
205 if (ifmr == NULL) {
206 ifmr = malloc(sizeof(struct ifmediareq));
207 if (ifmr == NULL)
208 err(1, "malloc");
209
210 memset(ifmr, 0, sizeof(struct ifmediareq));
211 strlcpy(ifmr->ifm_name, IfName, sizeof(ifmr->ifm_name));
212
213 ifmr->ifm_count = 0;
214 ifmr->ifm_ulist = NULL;
215
216 /*
217 * We must go through the motions of reading all
218 * supported media because we need to know both
219 * the current media type and the top-level type.
220 */
221
222 if (ioctl(s, SIOCGIFXMEDIA, ifmr) < 0)
223 xmedia = 0;
224 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, ifmr) < 0)
225 err(1, "SIOCGIFMEDIA");
226
227 if (ifmr->ifm_count == 0)
228 errx(1, "%s: no media types?", IfName);
229
230 mwords = malloc(ifmr->ifm_count * sizeof(int));
231 if (mwords == NULL)
232 err(1, "malloc");
233
234 ifmr->ifm_ulist = mwords;
235 if (xmedia) {
236 if (ioctl(s, SIOCGIFXMEDIA, ifmr) < 0)
237 err(1, "SIOCGIFXMEDIA");
238 } else {
239 if (ioctl(s, SIOCGIFMEDIA, ifmr) < 0)
240 err(1, "SIOCGIFMEDIA");
241 }
242 }
243
244 return ifmr;
245 }
246
247 static void
setifmediacallback(int s,void * arg)248 setifmediacallback(int s, void *arg)
249 {
250 static int did_it = 0;
251 struct ifmediareq *ifmr = arg;
252 struct ifreq ifr;
253
254 if (!did_it) {
255 memset(&ifr, 0, sizeof(ifr));
256 strlcpy(ifr.ifr_name, IfName, sizeof(ifr.ifr_name));
257 ifr.ifr_media = ifmr->ifm_current;
258 if (ioctl(s, SIOCSIFMEDIA, &ifr) < 0)
259 err(1, "SIOCSIFMEDIA (media)");
260 free(ifmr->ifm_ulist);
261 free(ifmr);
262 did_it = 1;
263 }
264 }
265
266 static void
setmedia(const char * val,int d __unused,int s,const struct afswtch * afp __unused)267 setmedia(const char *val, int d __unused, int s,
268 const struct afswtch *afp __unused)
269 {
270 struct ifmediareq *ifmr;
271 int subtype;
272
273 ifmr = ifmedia_getstate(s);
274
275 /*
276 * We are primarily concerned with the top-level type.
277 * However, "current" may be only IFM_NONE, so we just look
278 * for the top-level type in the first "supported type"
279 * entry.
280 *
281 * (I'm assuming that all supported media types for a given
282 * interface will be the same top-level type..)
283 */
284 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
285
286 ifmr->ifm_current = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
287 IFM_TYPE(ifmr->ifm_ulist[0]) |
288 subtype;
289 if ((ifmr->ifm_current & IFM_TMASK) == 0)
290 ifmr->ifm_current &= ~IFM_GMASK;
291
292 callback_register(setifmediacallback, ifmr);
293 }
294
295 static void
setmediaopt(const char * val,int d __unused,int s,const struct afswtch * afp __unused)296 setmediaopt(const char *val, int d __unused, int s,
297 const struct afswtch *afp __unused)
298 {
299 domediaopt(val, 0, s);
300 }
301
302 static void
unsetmediaopt(const char * val,int d __unused,int s,const struct afswtch * afp __unused)303 unsetmediaopt(const char *val, int d __unused, int s,
304 const struct afswtch *afp __unused)
305 {
306 domediaopt(val, 1, s);
307 }
308
309 static void
domediaopt(const char * val,int clear,int s)310 domediaopt(const char *val, int clear, int s)
311 {
312 struct ifmediareq *ifmr;
313 int options;
314
315 ifmr = ifmedia_getstate(s);
316
317 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
318 if (clear)
319 ifmr->ifm_current &= ~options;
320 else
321 ifmr->ifm_current |= options;
322
323 callback_register(setifmediacallback, ifmr);
324 }
325
326
327 static void
setmediamode(const char * val,int d __unused,int s,const struct afswtch * afp __unused)328 setmediamode(const char *val, int d __unused, int s,
329 const struct afswtch *afp __unused)
330 {
331 struct ifmediareq *ifmr;
332 int mode;
333
334 ifmr = ifmedia_getstate(s);
335
336 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
337 ifmr->ifm_current = (ifmr->ifm_current & ~IFM_MMASK) | mode;
338
339 callback_register(setifmediacallback, ifmr);
340 }
341
342 /**********************************************************************
343 * A good chunk of this is duplicated from sys/net/ifmedia.c
344 **********************************************************************/
345
346 static struct ifmedia_description ifm_type_descriptions[] =
347 IFM_TYPE_DESCRIPTIONS;
348
349 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
350 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
351
352 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
353 IFM_SUBTYPE_ETHERNET_ALIASES;
354
355 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
356 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
357
358 static struct ifmedia_description ifm_subtype_ethernet_option_alias[] =
359 IFM_SUBTYPE_ETHERNET_OPTION_ALIAS;
360
361 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
362 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
363
364 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
365 IFM_SUBTYPE_IEEE80211_ALIASES;
366
367 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
368 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
369
370 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
371 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
372
373 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
374 IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
375
376 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
377 IFM_SUBTYPE_ATM_DESCRIPTIONS;
378
379 static struct ifmedia_description ifm_subtype_atm_aliases[] =
380 IFM_SUBTYPE_ATM_ALIASES;
381
382 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
383 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
384
385 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
386 IFM_SUBTYPE_SHARED_DESCRIPTIONS;
387
388 static struct ifmedia_description ifm_subtype_shared_aliases[] =
389 IFM_SUBTYPE_SHARED_ALIASES;
390
391 static struct ifmedia_description ifm_shared_option_descriptions[] =
392 IFM_SHARED_OPTION_DESCRIPTIONS;
393
394 struct ifmedia_type_to_subtype {
395 struct {
396 struct ifmedia_description *desc;
397 int alias;
398 } subtypes[5];
399 struct {
400 struct ifmedia_description *desc;
401 int alias;
402 } options[4];
403 struct {
404 struct ifmedia_description *desc;
405 int alias;
406 } modes[3];
407 };
408
409 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
410 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
411 {
412 {
413 { &ifm_subtype_shared_descriptions[0], 0 },
414 { &ifm_subtype_shared_aliases[0], 1 },
415 { &ifm_subtype_ethernet_descriptions[0], 0 },
416 { &ifm_subtype_ethernet_aliases[0], 1 },
417 { NULL, 0 },
418 },
419 {
420 { &ifm_shared_option_descriptions[0], 0 },
421 { &ifm_subtype_ethernet_option_descriptions[0], 0 },
422 { &ifm_subtype_ethernet_option_alias[0], 1 },
423 { NULL, 0 },
424 },
425 {
426 { NULL, 0 },
427 },
428 },
429 {
430 {
431 { &ifm_subtype_shared_descriptions[0], 0 },
432 { &ifm_subtype_shared_aliases[0], 1 },
433 { &ifm_subtype_ieee80211_descriptions[0], 0 },
434 { &ifm_subtype_ieee80211_aliases[0], 1 },
435 { NULL, 0 },
436 },
437 {
438 { &ifm_shared_option_descriptions[0], 0 },
439 { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
440 { NULL, 0 },
441 },
442 {
443 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
444 { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
445 { NULL, 0 },
446 },
447 },
448 {
449 {
450 { &ifm_subtype_shared_descriptions[0], 0 },
451 { &ifm_subtype_shared_aliases[0], 1 },
452 { &ifm_subtype_atm_descriptions[0], 0 },
453 { &ifm_subtype_atm_aliases[0], 1 },
454 { NULL, 0 },
455 },
456 {
457 { &ifm_shared_option_descriptions[0], 0 },
458 { &ifm_subtype_atm_option_descriptions[0], 0 },
459 { NULL, 0 },
460 },
461 {
462 { NULL, 0 },
463 },
464 },
465 };
466
467 static int
get_media_subtype(int type,const char * val)468 get_media_subtype(int type, const char *val)
469 {
470 struct ifmedia_description *desc;
471 struct ifmedia_type_to_subtype *ttos;
472 int rval, i;
473
474 /* Find the top-level interface type. */
475 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
476 desc->ifmt_string != NULL; desc++, ttos++)
477 if (type == desc->ifmt_word)
478 break;
479 if (desc->ifmt_string == NULL)
480 errx(1, "unknown media type 0x%x", type);
481
482 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
483 rval = lookup_media_word(ttos->subtypes[i].desc, val);
484 if (rval != -1)
485 return (rval);
486 }
487 errx(1, "unknown media subtype: %s", val);
488 /*NOTREACHED*/
489 }
490
491 static int
get_media_mode(int type,const char * val)492 get_media_mode(int type, const char *val)
493 {
494 struct ifmedia_description *desc;
495 struct ifmedia_type_to_subtype *ttos;
496 int rval, i;
497
498 /* Find the top-level interface type. */
499 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
500 desc->ifmt_string != NULL; desc++, ttos++)
501 if (type == desc->ifmt_word)
502 break;
503 if (desc->ifmt_string == NULL)
504 errx(1, "unknown media mode 0x%x", type);
505
506 for (i = 0; ttos->modes[i].desc != NULL; i++) {
507 rval = lookup_media_word(ttos->modes[i].desc, val);
508 if (rval != -1)
509 return (rval);
510 }
511 return -1;
512 }
513
514 static int
get_media_options(int type,const char * val)515 get_media_options(int type, const char *val)
516 {
517 struct ifmedia_description *desc;
518 struct ifmedia_type_to_subtype *ttos;
519 char *optlist, *optptr;
520 int option = 0, i, rval = 0;
521
522 /* We muck with the string, so copy it. */
523 optlist = strdup(val);
524 if (optlist == NULL)
525 err(1, "strdup");
526
527 /* Find the top-level interface type. */
528 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
529 desc->ifmt_string != NULL; desc++, ttos++)
530 if (type == desc->ifmt_word)
531 break;
532 if (desc->ifmt_string == NULL)
533 errx(1, "unknown media type 0x%x", type);
534
535 /*
536 * Look up the options in the user-provided comma-separated
537 * list.
538 */
539 optptr = optlist;
540 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
541 for (i = 0; ttos->options[i].desc != NULL; i++) {
542 option = lookup_media_word(ttos->options[i].desc, optptr);
543 if (option != -1)
544 break;
545 }
546 if (option == 0)
547 errx(1, "unknown option: %s", optptr);
548 rval |= option;
549 }
550
551 free(optlist);
552 return (rval);
553 }
554
555 static int
lookup_media_word(struct ifmedia_description * desc,const char * val)556 lookup_media_word(struct ifmedia_description *desc, const char *val)
557 {
558
559 for (; desc->ifmt_string != NULL; desc++)
560 if (strcasecmp(desc->ifmt_string, val) == 0)
561 return (desc->ifmt_word);
562
563 return (-1);
564 }
565
get_toptype_desc(int ifmw)566 static struct ifmedia_description *get_toptype_desc(int ifmw)
567 {
568 struct ifmedia_description *desc;
569
570 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
571 if (IFM_TYPE(ifmw) == desc->ifmt_word)
572 break;
573
574 return desc;
575 }
576
get_toptype_ttos(int ifmw)577 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
578 {
579 struct ifmedia_description *desc;
580 struct ifmedia_type_to_subtype *ttos;
581
582 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
583 desc->ifmt_string != NULL; desc++, ttos++)
584 if (IFM_TYPE(ifmw) == desc->ifmt_word)
585 break;
586
587 return ttos;
588 }
589
get_subtype_desc(int ifmw,struct ifmedia_type_to_subtype * ttos)590 static struct ifmedia_description *get_subtype_desc(int ifmw,
591 struct ifmedia_type_to_subtype *ttos)
592 {
593 int i;
594 struct ifmedia_description *desc;
595
596 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
597 if (ttos->subtypes[i].alias)
598 continue;
599 for (desc = ttos->subtypes[i].desc;
600 desc->ifmt_string != NULL; desc++) {
601 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
602 return desc;
603 }
604 }
605
606 return NULL;
607 }
608
get_mode_desc(int ifmw,struct ifmedia_type_to_subtype * ttos)609 static struct ifmedia_description *get_mode_desc(int ifmw,
610 struct ifmedia_type_to_subtype *ttos)
611 {
612 int i;
613 struct ifmedia_description *desc;
614
615 for (i = 0; ttos->modes[i].desc != NULL; i++) {
616 if (ttos->modes[i].alias)
617 continue;
618 for (desc = ttos->modes[i].desc;
619 desc->ifmt_string != NULL; desc++) {
620 if (IFM_MODE(ifmw) == desc->ifmt_word)
621 return desc;
622 }
623 }
624
625 return NULL;
626 }
627
628 static void
print_media_word(int ifmw,int print_toptype)629 print_media_word(int ifmw, int print_toptype)
630 {
631 struct ifmedia_description *desc;
632 struct ifmedia_type_to_subtype *ttos;
633 int seen_option = 0, i;
634
635 /* Find the top-level interface type. */
636 desc = get_toptype_desc(ifmw);
637 ttos = get_toptype_ttos(ifmw);
638 if (desc->ifmt_string == NULL) {
639 printf("<unknown type>");
640 return;
641 } else if (print_toptype) {
642 printf("%s", desc->ifmt_string);
643 }
644
645 /*
646 * Don't print the top-level type; it's not like we can
647 * change it, or anything.
648 */
649
650 /* Find subtype. */
651 desc = get_subtype_desc(ifmw, ttos);
652 if (desc != NULL)
653 goto got_subtype;
654
655 /* Falling to here means unknown subtype. */
656 printf("<unknown subtype>");
657 return;
658
659 got_subtype:
660 if (print_toptype)
661 putchar(' ');
662
663 printf("%s", desc->ifmt_string);
664
665 if (print_toptype) {
666 desc = get_mode_desc(ifmw, ttos);
667 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
668 printf(" mode %s", desc->ifmt_string);
669 }
670
671 /* Find options. */
672 for (i = 0; ttos->options[i].desc != NULL; i++) {
673 if (ttos->options[i].alias)
674 continue;
675 for (desc = ttos->options[i].desc;
676 desc->ifmt_string != NULL; desc++) {
677 if (ifmw & desc->ifmt_word) {
678 if (seen_option == 0)
679 printf(" <");
680 printf("%s%s", seen_option++ ? "," : "",
681 desc->ifmt_string);
682 }
683 }
684 }
685 printf("%s", seen_option ? ">" : "");
686 }
687
688 static void
print_media_word_ifconfig(int ifmw)689 print_media_word_ifconfig(int ifmw)
690 {
691 struct ifmedia_description *desc;
692 struct ifmedia_type_to_subtype *ttos;
693 int i;
694
695 /* Find the top-level interface type. */
696 desc = get_toptype_desc(ifmw);
697 ttos = get_toptype_ttos(ifmw);
698 if (desc->ifmt_string == NULL) {
699 printf("<unknown type>");
700 return;
701 }
702
703 /*
704 * Don't print the top-level type; it's not like we can
705 * change it, or anything.
706 */
707
708 /* Find subtype. */
709 desc = get_subtype_desc(ifmw, ttos);
710 if (desc != NULL)
711 goto got_subtype;
712
713 /* Falling to here means unknown subtype. */
714 printf("<unknown subtype>");
715 return;
716
717 got_subtype:
718 printf("media %s", desc->ifmt_string);
719
720 desc = get_mode_desc(ifmw, ttos);
721 if (desc != NULL)
722 printf(" mode %s", desc->ifmt_string);
723
724 /* Find options. */
725 for (i = 0; ttos->options[i].desc != NULL; i++) {
726 if (ttos->options[i].alias)
727 continue;
728 for (desc = ttos->options[i].desc;
729 desc->ifmt_string != NULL; desc++) {
730 if (ifmw & desc->ifmt_word) {
731 printf(" mediaopt %s", desc->ifmt_string);
732 }
733 }
734 }
735 }
736
737 /**********************************************************************
738 * ...until here.
739 **********************************************************************/
740
741 static struct cmd media_cmds[] = {
742 DEF_CMD_ARG("media", setmedia),
743 DEF_CMD_ARG("mode", setmediamode),
744 DEF_CMD_ARG("mediaopt", setmediaopt),
745 DEF_CMD_ARG("-mediaopt",unsetmediaopt),
746 };
747 static struct afswtch af_media = {
748 .af_name = "af_media",
749 .af_af = AF_UNSPEC,
750 .af_other_status = media_status,
751 };
752
753 __constructor(123)
754 static void
ifmedia_ctor(void)755 ifmedia_ctor(void)
756 {
757 size_t i;
758
759 for (i = 0; i < nitems(media_cmds); i++)
760 cmd_register(&media_cmds[i]);
761
762 af_register(&af_media);
763 }
764