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 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, name, sizeof(ifmr.ifm_name)); 110 111 /* 112 * Check if interface supports extended media types. 113 */ 114 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0) 115 xmedia = 0; 116 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)&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?", name); 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, (caddr_t)&ifmr) < 0) 135 err(1, "SIOCGIFXMEDIA"); 136 } else { 137 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&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 * 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 = (struct ifmediareq *)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, name, 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, (caddr_t)ifmr) < 0) 223 xmedia = 0; 224 if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 225 err(1, "SIOCGIFMEDIA"); 226 227 if (ifmr->ifm_count == 0) 228 errx(1, "%s: no media types?", name); 229 230 mwords = (int *)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, (caddr_t)ifmr) < 0) 237 err(1, "SIOCGIFXMEDIA"); 238 } else { 239 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 240 err(1, "SIOCGIFMEDIA"); 241 } 242 } 243 244 return ifmr; 245 } 246 247 static void 248 setifmediacallback(int s, void *arg) 249 { 250 struct ifmediareq *ifmr = (struct ifmediareq *)arg; 251 static int did_it = 0; 252 253 if (!did_it) { 254 ifr.ifr_media = ifmr->ifm_current; 255 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 256 err(1, "SIOCSIFMEDIA (media)"); 257 free(ifmr->ifm_ulist); 258 free(ifmr); 259 did_it = 1; 260 } 261 } 262 263 static void 264 setmedia(const char *val, int d, int s, const struct afswtch *afp) 265 { 266 struct ifmediareq *ifmr; 267 int subtype; 268 269 ifmr = ifmedia_getstate(s); 270 271 /* 272 * We are primarily concerned with the top-level type. 273 * However, "current" may be only IFM_NONE, so we just look 274 * for the top-level type in the first "supported type" 275 * entry. 276 * 277 * (I'm assuming that all supported media types for a given 278 * interface will be the same top-level type..) 279 */ 280 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); 281 282 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 283 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 284 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; 285 286 if ((ifr.ifr_media & IFM_TMASK) == 0) { 287 ifr.ifr_media &= ~IFM_GMASK; 288 } 289 290 ifmr->ifm_current = ifr.ifr_media; 291 callback_register(setifmediacallback, (void *)ifmr); 292 } 293 294 static void 295 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 296 { 297 298 domediaopt(val, 0, s); 299 } 300 301 static void 302 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 303 { 304 305 domediaopt(val, 1, s); 306 } 307 308 static void 309 domediaopt(const char *val, int clear, int s) 310 { 311 struct ifmediareq *ifmr; 312 int options; 313 314 ifmr = ifmedia_getstate(s); 315 316 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); 317 318 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 319 ifr.ifr_media = ifmr->ifm_current; 320 if (clear) 321 ifr.ifr_media &= ~options; 322 else 323 ifr.ifr_media |= options; 324 325 ifmr->ifm_current = ifr.ifr_media; 326 callback_register(setifmediacallback, (void *)ifmr); 327 } 328 329 330 static void 331 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 332 { 333 struct ifmediareq *ifmr; 334 int mode; 335 336 ifmr = ifmedia_getstate(s); 337 338 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); 339 340 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 341 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; 342 343 ifmr->ifm_current = ifr.ifr_media; 344 callback_register(setifmediacallback, (void *)ifmr); 345 } 346 347 /********************************************************************** 348 * A good chunk of this is duplicated from sys/net/ifmedia.c 349 **********************************************************************/ 350 351 static struct ifmedia_description ifm_type_descriptions[] = 352 IFM_TYPE_DESCRIPTIONS; 353 354 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 355 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 356 357 static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 358 IFM_SUBTYPE_ETHERNET_ALIASES; 359 360 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 361 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 362 363 static struct ifmedia_description ifm_subtype_ethernet_option_alias[] = 364 IFM_SUBTYPE_ETHERNET_OPTION_ALIAS; 365 366 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 367 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 368 369 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 370 IFM_SUBTYPE_IEEE80211_ALIASES; 371 372 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 373 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 374 375 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 376 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 377 378 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 379 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 380 381 static struct ifmedia_description ifm_subtype_atm_descriptions[] = 382 IFM_SUBTYPE_ATM_DESCRIPTIONS; 383 384 static struct ifmedia_description ifm_subtype_atm_aliases[] = 385 IFM_SUBTYPE_ATM_ALIASES; 386 387 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 388 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 389 390 static struct ifmedia_description ifm_subtype_shared_descriptions[] = 391 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 392 393 static struct ifmedia_description ifm_subtype_shared_aliases[] = 394 IFM_SUBTYPE_SHARED_ALIASES; 395 396 static struct ifmedia_description ifm_shared_option_descriptions[] = 397 IFM_SHARED_OPTION_DESCRIPTIONS; 398 399 struct ifmedia_type_to_subtype { 400 struct { 401 struct ifmedia_description *desc; 402 int alias; 403 } subtypes[5]; 404 struct { 405 struct ifmedia_description *desc; 406 int alias; 407 } options[4]; 408 struct { 409 struct ifmedia_description *desc; 410 int alias; 411 } modes[3]; 412 }; 413 414 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 415 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 416 { 417 { 418 { &ifm_subtype_shared_descriptions[0], 0 }, 419 { &ifm_subtype_shared_aliases[0], 1 }, 420 { &ifm_subtype_ethernet_descriptions[0], 0 }, 421 { &ifm_subtype_ethernet_aliases[0], 1 }, 422 { NULL, 0 }, 423 }, 424 { 425 { &ifm_shared_option_descriptions[0], 0 }, 426 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 427 { &ifm_subtype_ethernet_option_alias[0], 1 }, 428 { NULL, 0 }, 429 }, 430 { 431 { NULL, 0 }, 432 }, 433 }, 434 { 435 { 436 { &ifm_subtype_shared_descriptions[0], 0 }, 437 { &ifm_subtype_shared_aliases[0], 1 }, 438 { &ifm_subtype_ieee80211_descriptions[0], 0 }, 439 { &ifm_subtype_ieee80211_aliases[0], 1 }, 440 { NULL, 0 }, 441 }, 442 { 443 { &ifm_shared_option_descriptions[0], 0 }, 444 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 445 { NULL, 0 }, 446 }, 447 { 448 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 449 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 450 { NULL, 0 }, 451 }, 452 }, 453 { 454 { 455 { &ifm_subtype_shared_descriptions[0], 0 }, 456 { &ifm_subtype_shared_aliases[0], 1 }, 457 { &ifm_subtype_atm_descriptions[0], 0 }, 458 { &ifm_subtype_atm_aliases[0], 1 }, 459 { NULL, 0 }, 460 }, 461 { 462 { &ifm_shared_option_descriptions[0], 0 }, 463 { &ifm_subtype_atm_option_descriptions[0], 0 }, 464 { NULL, 0 }, 465 }, 466 { 467 { NULL, 0 }, 468 }, 469 }, 470 }; 471 472 static int 473 get_media_subtype(int type, const char *val) 474 { 475 struct ifmedia_description *desc; 476 struct ifmedia_type_to_subtype *ttos; 477 int rval, i; 478 479 /* Find the top-level interface type. */ 480 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 481 desc->ifmt_string != NULL; desc++, ttos++) 482 if (type == desc->ifmt_word) 483 break; 484 if (desc->ifmt_string == NULL) 485 errx(1, "unknown media type 0x%x", type); 486 487 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 488 rval = lookup_media_word(ttos->subtypes[i].desc, val); 489 if (rval != -1) 490 return (rval); 491 } 492 errx(1, "unknown media subtype: %s", val); 493 /*NOTREACHED*/ 494 } 495 496 static int 497 get_media_mode(int type, const char *val) 498 { 499 struct ifmedia_description *desc; 500 struct ifmedia_type_to_subtype *ttos; 501 int rval, i; 502 503 /* Find the top-level interface type. */ 504 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 505 desc->ifmt_string != NULL; desc++, ttos++) 506 if (type == desc->ifmt_word) 507 break; 508 if (desc->ifmt_string == NULL) 509 errx(1, "unknown media mode 0x%x", type); 510 511 for (i = 0; ttos->modes[i].desc != NULL; i++) { 512 rval = lookup_media_word(ttos->modes[i].desc, val); 513 if (rval != -1) 514 return (rval); 515 } 516 return -1; 517 } 518 519 static int 520 get_media_options(int type, const char *val) 521 { 522 struct ifmedia_description *desc; 523 struct ifmedia_type_to_subtype *ttos; 524 char *optlist, *optptr; 525 int option = 0, i, rval = 0; 526 527 /* We muck with the string, so copy it. */ 528 optlist = strdup(val); 529 if (optlist == NULL) 530 err(1, "strdup"); 531 532 /* Find the top-level interface type. */ 533 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 534 desc->ifmt_string != NULL; desc++, ttos++) 535 if (type == desc->ifmt_word) 536 break; 537 if (desc->ifmt_string == NULL) 538 errx(1, "unknown media type 0x%x", type); 539 540 /* 541 * Look up the options in the user-provided comma-separated 542 * list. 543 */ 544 optptr = optlist; 545 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 546 for (i = 0; ttos->options[i].desc != NULL; i++) { 547 option = lookup_media_word(ttos->options[i].desc, optptr); 548 if (option != -1) 549 break; 550 } 551 if (option == 0) 552 errx(1, "unknown option: %s", optptr); 553 rval |= option; 554 } 555 556 free(optlist); 557 return (rval); 558 } 559 560 static int 561 lookup_media_word(struct ifmedia_description *desc, const char *val) 562 { 563 564 for (; desc->ifmt_string != NULL; desc++) 565 if (strcasecmp(desc->ifmt_string, val) == 0) 566 return (desc->ifmt_word); 567 568 return (-1); 569 } 570 571 static struct ifmedia_description *get_toptype_desc(int ifmw) 572 { 573 struct ifmedia_description *desc; 574 575 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 576 if (IFM_TYPE(ifmw) == desc->ifmt_word) 577 break; 578 579 return desc; 580 } 581 582 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 583 { 584 struct ifmedia_description *desc; 585 struct ifmedia_type_to_subtype *ttos; 586 587 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 588 desc->ifmt_string != NULL; desc++, ttos++) 589 if (IFM_TYPE(ifmw) == desc->ifmt_word) 590 break; 591 592 return ttos; 593 } 594 595 static struct ifmedia_description *get_subtype_desc(int ifmw, 596 struct ifmedia_type_to_subtype *ttos) 597 { 598 int i; 599 struct ifmedia_description *desc; 600 601 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 602 if (ttos->subtypes[i].alias) 603 continue; 604 for (desc = ttos->subtypes[i].desc; 605 desc->ifmt_string != NULL; desc++) { 606 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 607 return desc; 608 } 609 } 610 611 return NULL; 612 } 613 614 static struct ifmedia_description *get_mode_desc(int ifmw, 615 struct ifmedia_type_to_subtype *ttos) 616 { 617 int i; 618 struct ifmedia_description *desc; 619 620 for (i = 0; ttos->modes[i].desc != NULL; i++) { 621 if (ttos->modes[i].alias) 622 continue; 623 for (desc = ttos->modes[i].desc; 624 desc->ifmt_string != NULL; desc++) { 625 if (IFM_MODE(ifmw) == desc->ifmt_word) 626 return desc; 627 } 628 } 629 630 return NULL; 631 } 632 633 static void 634 print_media_word(int ifmw, int print_toptype) 635 { 636 struct ifmedia_description *desc; 637 struct ifmedia_type_to_subtype *ttos; 638 int seen_option = 0, i; 639 640 /* Find the top-level interface type. */ 641 desc = get_toptype_desc(ifmw); 642 ttos = get_toptype_ttos(ifmw); 643 if (desc->ifmt_string == NULL) { 644 printf("<unknown type>"); 645 return; 646 } else if (print_toptype) { 647 printf("%s", desc->ifmt_string); 648 } 649 650 /* 651 * Don't print the top-level type; it's not like we can 652 * change it, or anything. 653 */ 654 655 /* Find subtype. */ 656 desc = get_subtype_desc(ifmw, ttos); 657 if (desc != NULL) 658 goto got_subtype; 659 660 /* Falling to here means unknown subtype. */ 661 printf("<unknown subtype>"); 662 return; 663 664 got_subtype: 665 if (print_toptype) 666 putchar(' '); 667 668 printf("%s", desc->ifmt_string); 669 670 if (print_toptype) { 671 desc = get_mode_desc(ifmw, ttos); 672 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 673 printf(" mode %s", desc->ifmt_string); 674 } 675 676 /* Find options. */ 677 for (i = 0; ttos->options[i].desc != NULL; i++) { 678 if (ttos->options[i].alias) 679 continue; 680 for (desc = ttos->options[i].desc; 681 desc->ifmt_string != NULL; desc++) { 682 if (ifmw & desc->ifmt_word) { 683 if (seen_option == 0) 684 printf(" <"); 685 printf("%s%s", seen_option++ ? "," : "", 686 desc->ifmt_string); 687 } 688 } 689 } 690 printf("%s", seen_option ? ">" : ""); 691 } 692 693 static void 694 print_media_word_ifconfig(int ifmw) 695 { 696 struct ifmedia_description *desc; 697 struct ifmedia_type_to_subtype *ttos; 698 int i; 699 700 /* Find the top-level interface type. */ 701 desc = get_toptype_desc(ifmw); 702 ttos = get_toptype_ttos(ifmw); 703 if (desc->ifmt_string == NULL) { 704 printf("<unknown type>"); 705 return; 706 } 707 708 /* 709 * Don't print the top-level type; it's not like we can 710 * change it, or anything. 711 */ 712 713 /* Find subtype. */ 714 desc = get_subtype_desc(ifmw, ttos); 715 if (desc != NULL) 716 goto got_subtype; 717 718 /* Falling to here means unknown subtype. */ 719 printf("<unknown subtype>"); 720 return; 721 722 got_subtype: 723 printf("media %s", desc->ifmt_string); 724 725 desc = get_mode_desc(ifmw, ttos); 726 if (desc != NULL) 727 printf(" mode %s", desc->ifmt_string); 728 729 /* Find options. */ 730 for (i = 0; ttos->options[i].desc != NULL; i++) { 731 if (ttos->options[i].alias) 732 continue; 733 for (desc = ttos->options[i].desc; 734 desc->ifmt_string != NULL; desc++) { 735 if (ifmw & desc->ifmt_word) { 736 printf(" mediaopt %s", desc->ifmt_string); 737 } 738 } 739 } 740 } 741 742 /********************************************************************** 743 * ...until here. 744 **********************************************************************/ 745 746 static struct cmd media_cmds[] = { 747 DEF_CMD_ARG("media", setmedia), 748 DEF_CMD_ARG("mode", setmediamode), 749 DEF_CMD_ARG("mediaopt", setmediaopt), 750 DEF_CMD_ARG("-mediaopt",unsetmediaopt), 751 }; 752 static struct afswtch af_media = { 753 .af_name = "af_media", 754 .af_af = AF_UNSPEC, 755 .af_other_status = media_status, 756 }; 757 758 static __constructor(101) void 759 ifmedia_ctor(void) 760 { 761 size_t i; 762 763 for (i = 0; i < nitems(media_cmds); i++) 764 cmd_register(&media_cmds[i]); 765 af_register(&af_media); 766 } 767