1 /* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ 2 /* $FreeBSD$ */ 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. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by the University of 51 * California, Berkeley and its contributors. 52 * 4. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/param.h> 70 #include <sys/ioctl.h> 71 #include <sys/socket.h> 72 #include <sys/sysctl.h> 73 #include <sys/time.h> 74 75 #include <net/if.h> 76 #include <net/if_dl.h> 77 #include <net/if_types.h> 78 #include <net/if_media.h> 79 #include <net/route.h> 80 81 #include <ctype.h> 82 #include <err.h> 83 #include <errno.h> 84 #include <fcntl.h> 85 #include <stdio.h> 86 #include <stdlib.h> 87 #include <string.h> 88 #include <unistd.h> 89 90 #include "ifconfig.h" 91 92 static void domediaopt(const char *, int, int); 93 static int get_media_subtype(int, const char *); 94 static int get_media_mode(int, const char *); 95 static int get_media_options(int, const char *); 96 static int lookup_media_word(struct ifmedia_description *, const char *); 97 static void print_media_word(int, int); 98 static void print_media_word_ifconfig(int); 99 100 static struct ifmedia_description *get_toptype_desc(int); 101 static struct ifmedia_type_to_subtype *get_toptype_ttos(int); 102 static struct ifmedia_description *get_subtype_desc(int, 103 struct ifmedia_type_to_subtype *ttos); 104 105 void 106 media_status(int s, struct rt_addrinfo *info __unused) 107 { 108 struct ifmediareq ifmr; 109 int *media_list, i; 110 111 (void) memset(&ifmr, 0, sizeof(ifmr)); 112 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 113 114 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 115 /* 116 * Interface doesn't support SIOC{G,S}IFMEDIA. 117 */ 118 return; 119 } 120 121 if (ifmr.ifm_count == 0) { 122 warnx("%s: no media types?", name); 123 return; 124 } 125 126 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 127 if (media_list == NULL) 128 err(1, "malloc"); 129 ifmr.ifm_ulist = media_list; 130 131 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 132 err(1, "SIOCGIFMEDIA"); 133 134 printf("\tmedia: "); 135 print_media_word(ifmr.ifm_current, 1); 136 if (ifmr.ifm_active != ifmr.ifm_current) { 137 putchar(' '); 138 putchar('('); 139 print_media_word(ifmr.ifm_active, 0); 140 putchar(')'); 141 } 142 143 putchar('\n'); 144 145 if (ifmr.ifm_status & IFM_AVALID) { 146 printf("\tstatus: "); 147 switch (IFM_TYPE(ifmr.ifm_active)) { 148 case IFM_ETHER: 149 if (ifmr.ifm_status & IFM_ACTIVE) 150 printf("active"); 151 else 152 printf("no carrier"); 153 break; 154 155 case IFM_FDDI: 156 case IFM_TOKEN: 157 if (ifmr.ifm_status & IFM_ACTIVE) 158 printf("inserted"); 159 else 160 printf("no ring"); 161 break; 162 163 case IFM_ATM: 164 if (ifmr.ifm_status & IFM_ACTIVE) 165 printf("active"); 166 else 167 printf("no carrier"); 168 break; 169 170 case IFM_IEEE80211: 171 /* XXX: Different value for adhoc? */ 172 if (ifmr.ifm_status & IFM_ACTIVE) 173 printf("associated"); 174 else 175 printf("no carrier"); 176 break; 177 } 178 putchar('\n'); 179 } 180 181 if (ifmr.ifm_count > 0 && supmedia) { 182 printf("\tsupported media:\n"); 183 for (i = 0; i < ifmr.ifm_count; i++) { 184 printf("\t\t"); 185 print_media_word_ifconfig(media_list[i]); 186 putchar('\n'); 187 } 188 } 189 190 free(media_list); 191 } 192 193 void 194 setmedia(const char *val, int d, int s, const struct afswtch *afp) 195 { 196 struct ifmediareq ifmr; 197 int first_type, subtype; 198 199 (void) memset(&ifmr, 0, sizeof(ifmr)); 200 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 201 202 ifmr.ifm_count = 1; 203 ifmr.ifm_ulist = &first_type; 204 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 205 /* 206 * If we get E2BIG, the kernel is telling us 207 * that there are more, so we can ignore it. 208 */ 209 if (errno != E2BIG) 210 err(1, "SIOCGIFMEDIA"); 211 } 212 213 if (ifmr.ifm_count == 0) 214 errx(1, "%s: no media types?", name); 215 216 /* 217 * We are primarily concerned with the top-level type. 218 * However, "current" may be only IFM_NONE, so we just look 219 * for the top-level type in the first "supported type" 220 * entry. 221 * 222 * (I'm assuming that all supported media types for a given 223 * interface will be the same top-level type..) 224 */ 225 subtype = get_media_subtype(IFM_TYPE(first_type), val); 226 227 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 228 ifr.ifr_media = (ifmr.ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 229 IFM_TYPE(first_type) | subtype; 230 231 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 232 err(1, "SIOCSIFMEDIA (media)"); 233 } 234 235 void 236 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 237 { 238 239 domediaopt(val, 0, s); 240 } 241 242 void 243 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 244 { 245 246 domediaopt(val, 1, s); 247 } 248 249 static void 250 domediaopt(const char *val, int clear, int s) 251 { 252 struct ifmediareq ifmr; 253 int *mwords, options; 254 255 (void) memset(&ifmr, 0, sizeof(ifmr)); 256 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 257 258 /* 259 * We must go through the motions of reading all 260 * supported media because we need to know both 261 * the current media type and the top-level type. 262 */ 263 264 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 265 err(1, "SIOCGIFMEDIA"); 266 267 if (ifmr.ifm_count == 0) 268 errx(1, "%s: no media types?", name); 269 270 mwords = (int *)malloc(ifmr.ifm_count * sizeof(int)); 271 if (mwords == NULL) 272 err(1, "malloc"); 273 274 ifmr.ifm_ulist = mwords; 275 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 276 err(1, "SIOCGIFMEDIA"); 277 278 options = get_media_options(IFM_TYPE(mwords[0]), val); 279 280 free(mwords); 281 282 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 283 ifr.ifr_media = ifmr.ifm_current; 284 if (clear) 285 ifr.ifr_media &= ~options; 286 else 287 ifr.ifr_media |= options; 288 289 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 290 err(1, "SIOCSIFMEDIA (mediaopt)"); 291 } 292 293 294 void 295 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 296 { 297 struct ifmediareq ifmr; 298 int *mwords, mode; 299 300 (void) memset(&ifmr, 0, sizeof(ifmr)); 301 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 302 303 /* 304 * We must go through the motions of reading all 305 * supported media because we need to know both 306 * the current media type and the top-level type. 307 */ 308 309 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 310 err(1, "SIOCGIFMEDIA"); 311 312 if (ifmr.ifm_count == 0) 313 errx(1, "%s: no media types?", name); 314 315 mwords = (int *)malloc(ifmr.ifm_count * sizeof(int)); 316 if (mwords == NULL) 317 err(1, "malloc"); 318 319 ifmr.ifm_ulist = mwords; 320 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 321 err(1, "SIOCGIFMEDIA"); 322 323 mode = get_media_mode(IFM_TYPE(mwords[0]), val); 324 325 free(mwords); 326 327 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 328 ifr.ifr_media = ifmr.ifm_current; 329 ifr.ifr_media = (ifmr.ifm_current & ~IFM_MMASK) | IFM_MAKEMODE(mode); 330 331 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 332 err(1, "SIOCSIFMEDIA (mode)"); 333 } 334 335 /********************************************************************** 336 * A good chunk of this is duplicated from sys/net/ifmedia.c 337 **********************************************************************/ 338 339 static struct ifmedia_description ifm_type_descriptions[] = 340 IFM_TYPE_DESCRIPTIONS; 341 342 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 343 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 344 345 static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 346 IFM_SUBTYPE_ETHERNET_ALIASES; 347 348 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 349 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 350 351 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = 352 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 353 354 static struct ifmedia_description ifm_subtype_tokenring_aliases[] = 355 IFM_SUBTYPE_TOKENRING_ALIASES; 356 357 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 358 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 359 360 static struct ifmedia_description ifm_subtype_fddi_descriptions[] = 361 IFM_SUBTYPE_FDDI_DESCRIPTIONS; 362 363 static struct ifmedia_description ifm_subtype_fddi_aliases[] = 364 IFM_SUBTYPE_FDDI_ALIASES; 365 366 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 367 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 368 369 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 370 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 371 372 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 373 IFM_SUBTYPE_IEEE80211_ALIASES; 374 375 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 376 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 377 378 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 379 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 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[3]; 408 struct { 409 struct ifmedia_description *desc; 410 int alias; 411 } modes[2]; 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 { NULL, 0 }, 428 }, 429 { 430 { NULL, 0 }, 431 }, 432 }, 433 { 434 { 435 { &ifm_subtype_shared_descriptions[0], 0 }, 436 { &ifm_subtype_shared_aliases[0], 1 }, 437 { &ifm_subtype_tokenring_descriptions[0], 0 }, 438 { &ifm_subtype_tokenring_aliases[0], 1 }, 439 { NULL, 0 }, 440 }, 441 { 442 { &ifm_shared_option_descriptions[0], 0 }, 443 { &ifm_subtype_tokenring_option_descriptions[0], 0 }, 444 { NULL, 0 }, 445 }, 446 { 447 { NULL, 0 }, 448 }, 449 }, 450 { 451 { 452 { &ifm_subtype_shared_descriptions[0], 0 }, 453 { &ifm_subtype_shared_aliases[0], 1 }, 454 { &ifm_subtype_fddi_descriptions[0], 0 }, 455 { &ifm_subtype_fddi_aliases[0], 1 }, 456 { NULL, 0 }, 457 }, 458 { 459 { &ifm_shared_option_descriptions[0], 0 }, 460 { &ifm_subtype_fddi_option_descriptions[0], 0 }, 461 { NULL, 0 }, 462 }, 463 { 464 { NULL, 0 }, 465 }, 466 }, 467 { 468 { 469 { &ifm_subtype_shared_descriptions[0], 0 }, 470 { &ifm_subtype_shared_aliases[0], 1 }, 471 { &ifm_subtype_ieee80211_descriptions[0], 0 }, 472 { &ifm_subtype_ieee80211_aliases[0], 1 }, 473 { NULL, 0 }, 474 }, 475 { 476 { &ifm_shared_option_descriptions[0], 0 }, 477 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 478 { NULL, 0 }, 479 }, 480 { 481 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 482 { NULL, 0 }, 483 }, 484 }, 485 { 486 { 487 { &ifm_subtype_shared_descriptions[0], 0 }, 488 { &ifm_subtype_shared_aliases[0], 1 }, 489 { &ifm_subtype_atm_descriptions[0], 0 }, 490 { &ifm_subtype_atm_aliases[0], 1 }, 491 { NULL, 0 }, 492 }, 493 { 494 { &ifm_shared_option_descriptions[0], 0 }, 495 { &ifm_subtype_atm_option_descriptions[0], 0 }, 496 { NULL, 0 }, 497 }, 498 { 499 { NULL, 0 }, 500 }, 501 }, 502 }; 503 504 static int 505 get_media_subtype(int type, const char *val) 506 { 507 struct ifmedia_description *desc; 508 struct ifmedia_type_to_subtype *ttos; 509 int rval, i; 510 511 /* Find the top-level interface type. */ 512 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 513 desc->ifmt_string != NULL; desc++, ttos++) 514 if (type == desc->ifmt_word) 515 break; 516 if (desc->ifmt_string == NULL) 517 errx(1, "unknown media type 0x%x", type); 518 519 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 520 rval = lookup_media_word(ttos->subtypes[i].desc, val); 521 if (rval != -1) 522 return (rval); 523 } 524 errx(1, "unknown media subtype: %s", val); 525 /*NOTREACHED*/ 526 } 527 528 static int 529 get_media_mode(int type, const char *val) 530 { 531 struct ifmedia_description *desc; 532 struct ifmedia_type_to_subtype *ttos; 533 int rval, i; 534 535 /* Find the top-level interface type. */ 536 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 537 desc->ifmt_string != NULL; desc++, ttos++) 538 if (type == desc->ifmt_word) 539 break; 540 if (desc->ifmt_string == NULL) 541 errx(1, "unknown media mode 0x%x", type); 542 543 for (i = 0; ttos->modes[i].desc != NULL; i++) { 544 rval = lookup_media_word(ttos->modes[i].desc, val); 545 if (rval != -1) 546 return (rval); 547 } 548 return -1; 549 } 550 551 static int 552 get_media_options(int type, const char *val) 553 { 554 struct ifmedia_description *desc; 555 struct ifmedia_type_to_subtype *ttos; 556 char *optlist, *optptr; 557 int option = 0, i, rval = 0; 558 559 /* We muck with the string, so copy it. */ 560 optlist = strdup(val); 561 if (optlist == NULL) 562 err(1, "strdup"); 563 564 /* Find the top-level interface type. */ 565 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 566 desc->ifmt_string != NULL; desc++, ttos++) 567 if (type == desc->ifmt_word) 568 break; 569 if (desc->ifmt_string == NULL) 570 errx(1, "unknown media type 0x%x", type); 571 572 /* 573 * Look up the options in the user-provided comma-separated 574 * list. 575 */ 576 optptr = optlist; 577 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 578 for (i = 0; ttos->options[i].desc != NULL; i++) { 579 option = lookup_media_word(ttos->options[i].desc, optptr); 580 if (option != -1) 581 break; 582 } 583 if (option == 0) 584 errx(1, "unknown option: %s", optptr); 585 rval |= option; 586 } 587 588 free(optlist); 589 return (rval); 590 } 591 592 static int 593 lookup_media_word(struct ifmedia_description *desc, const char *val) 594 { 595 596 for (; desc->ifmt_string != NULL; desc++) 597 if (strcasecmp(desc->ifmt_string, val) == 0) 598 return (desc->ifmt_word); 599 600 return (-1); 601 } 602 603 static struct ifmedia_description *get_toptype_desc(int ifmw) 604 { 605 struct ifmedia_description *desc; 606 607 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 608 if (IFM_TYPE(ifmw) == desc->ifmt_word) 609 break; 610 611 return desc; 612 } 613 614 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 615 { 616 struct ifmedia_description *desc; 617 struct ifmedia_type_to_subtype *ttos; 618 619 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 620 desc->ifmt_string != NULL; desc++, ttos++) 621 if (IFM_TYPE(ifmw) == desc->ifmt_word) 622 break; 623 624 return ttos; 625 } 626 627 static struct ifmedia_description *get_subtype_desc(int ifmw, 628 struct ifmedia_type_to_subtype *ttos) 629 { 630 int i; 631 struct ifmedia_description *desc; 632 633 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 634 if (ttos->subtypes[i].alias) 635 continue; 636 for (desc = ttos->subtypes[i].desc; 637 desc->ifmt_string != NULL; desc++) { 638 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 639 return desc; 640 } 641 } 642 643 return NULL; 644 } 645 646 static struct ifmedia_description *get_mode_desc(int ifmw, 647 struct ifmedia_type_to_subtype *ttos) 648 { 649 int i; 650 struct ifmedia_description *desc; 651 652 for (i = 0; ttos->modes[i].desc != NULL; i++) { 653 if (ttos->modes[i].alias) 654 continue; 655 for (desc = ttos->modes[i].desc; 656 desc->ifmt_string != NULL; desc++) { 657 if (IFM_MODE(ifmw) == desc->ifmt_word) 658 return desc; 659 } 660 } 661 662 return NULL; 663 } 664 665 static void 666 print_media_word(int ifmw, int print_toptype) 667 { 668 struct ifmedia_description *desc; 669 struct ifmedia_type_to_subtype *ttos; 670 int seen_option = 0, i; 671 672 /* Find the top-level interface type. */ 673 desc = get_toptype_desc(ifmw); 674 ttos = get_toptype_ttos(ifmw); 675 if (desc->ifmt_string == NULL) { 676 printf("<unknown type>"); 677 return; 678 } else if (print_toptype) { 679 printf("%s", desc->ifmt_string); 680 } 681 682 /* 683 * Don't print the top-level type; it's not like we can 684 * change it, or anything. 685 */ 686 687 /* Find subtype. */ 688 desc = get_subtype_desc(ifmw, ttos); 689 if (desc != NULL) 690 goto got_subtype; 691 692 /* Falling to here means unknown subtype. */ 693 printf("<unknown subtype>"); 694 return; 695 696 got_subtype: 697 if (print_toptype) 698 putchar(' '); 699 700 printf("%s", desc->ifmt_string); 701 702 if (print_toptype) { 703 desc = get_mode_desc(ifmw, ttos); 704 if (desc != NULL) 705 printf(" mode %s", desc->ifmt_string); 706 } 707 708 /* Find options. */ 709 for (i = 0; ttos->options[i].desc != NULL; i++) { 710 if (ttos->options[i].alias) 711 continue; 712 for (desc = ttos->options[i].desc; 713 desc->ifmt_string != NULL; desc++) { 714 if (ifmw & desc->ifmt_word) { 715 if (seen_option == 0) 716 printf(" <"); 717 printf("%s%s", seen_option++ ? "," : "", 718 desc->ifmt_string); 719 } 720 } 721 } 722 printf("%s", seen_option ? ">" : ""); 723 } 724 725 static void 726 print_media_word_ifconfig(int ifmw) 727 { 728 struct ifmedia_description *desc; 729 struct ifmedia_type_to_subtype *ttos; 730 int i; 731 732 /* Find the top-level interface type. */ 733 desc = get_toptype_desc(ifmw); 734 ttos = get_toptype_ttos(ifmw); 735 if (desc->ifmt_string == NULL) { 736 printf("<unknown type>"); 737 return; 738 } 739 740 /* 741 * Don't print the top-level type; it's not like we can 742 * change it, or anything. 743 */ 744 745 /* Find subtype. */ 746 desc = get_subtype_desc(ifmw, ttos); 747 if (desc != NULL) 748 goto got_subtype; 749 750 /* Falling to here means unknown subtype. */ 751 printf("<unknown subtype>"); 752 return; 753 754 got_subtype: 755 printf("media %s", desc->ifmt_string); 756 757 desc = get_mode_desc(ifmw, ttos); 758 if (desc != NULL) 759 printf(" mode %s", desc->ifmt_string); 760 761 /* Find options. */ 762 for (i = 0; ttos->options[i].desc != NULL; i++) { 763 if (ttos->options[i].alias) 764 continue; 765 for (desc = ttos->options[i].desc; 766 desc->ifmt_string != NULL; desc++) { 767 if (ifmw & desc->ifmt_word) { 768 printf(" mediaopt %s", desc->ifmt_string); 769 } 770 } 771 } 772 } 773 774 /********************************************************************** 775 * ...until here. 776 **********************************************************************/ 777