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 static void 106 media_status(int s) 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 case IFM_ATM: 150 if (ifmr.ifm_status & IFM_ACTIVE) 151 printf("active"); 152 else 153 printf("no carrier"); 154 break; 155 156 case IFM_FDDI: 157 case IFM_TOKEN: 158 if (ifmr.ifm_status & IFM_ACTIVE) 159 printf("inserted"); 160 else 161 printf("no ring"); 162 break; 163 164 case IFM_IEEE80211: 165 /* XXX: Different value for adhoc? */ 166 if (ifmr.ifm_status & IFM_ACTIVE) 167 printf("associated"); 168 else 169 printf("no carrier"); 170 break; 171 } 172 putchar('\n'); 173 } 174 175 if (ifmr.ifm_count > 0 && supmedia) { 176 printf("\tsupported media:\n"); 177 for (i = 0; i < ifmr.ifm_count; i++) { 178 printf("\t\t"); 179 print_media_word_ifconfig(media_list[i]); 180 putchar('\n'); 181 } 182 } 183 184 free(media_list); 185 } 186 187 static struct ifmediareq * 188 getifmediastate(int s) 189 { 190 static struct ifmediareq *ifmr = NULL; 191 int *mwords; 192 193 if (ifmr == NULL) { 194 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq)); 195 if (ifmr == NULL) 196 err(1, "malloc"); 197 198 (void) memset(ifmr, 0, sizeof(struct ifmediareq)); 199 (void) strncpy(ifmr->ifm_name, name, 200 sizeof(ifmr->ifm_name)); 201 202 ifmr->ifm_count = 0; 203 ifmr->ifm_ulist = NULL; 204 205 /* 206 * We must go through the motions of reading all 207 * supported media because we need to know both 208 * the current media type and the top-level type. 209 */ 210 211 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) { 212 err(1, "SIOCGIFMEDIA"); 213 } 214 215 if (ifmr->ifm_count == 0) 216 errx(1, "%s: no media types?", name); 217 218 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int)); 219 if (mwords == NULL) 220 err(1, "malloc"); 221 222 ifmr->ifm_ulist = mwords; 223 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 224 err(1, "SIOCGIFMEDIA"); 225 } 226 227 return ifmr; 228 } 229 230 static void 231 setifmediacallback(int s, void *arg) 232 { 233 struct ifmediareq *ifmr = (struct ifmediareq *)arg; 234 static int did_it = 0; 235 236 if (!did_it) { 237 ifr.ifr_media = ifmr->ifm_current; 238 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 239 err(1, "SIOCSIFMEDIA (media)"); 240 free(ifmr->ifm_ulist); 241 free(ifmr); 242 did_it = 1; 243 } 244 } 245 246 static void 247 setmedia(const char *val, int d, int s, const struct afswtch *afp) 248 { 249 struct ifmediareq *ifmr; 250 int subtype; 251 252 253 ifmr = getifmediastate(s); 254 255 /* 256 * We are primarily concerned with the top-level type. 257 * However, "current" may be only IFM_NONE, so we just look 258 * for the top-level type in the first "supported type" 259 * entry. 260 * 261 * (I'm assuming that all supported media types for a given 262 * interface will be the same top-level type..) 263 */ 264 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); 265 266 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 267 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 268 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; 269 270 if ((ifr.ifr_media & IFM_TMASK) == 0) { 271 ifr.ifr_media &= ~IFM_GMASK; 272 } 273 274 ifmr->ifm_current = ifr.ifr_media; 275 callback_register(setifmediacallback, (void *)ifmr); 276 } 277 278 static void 279 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 280 { 281 282 domediaopt(val, 0, s); 283 } 284 285 static void 286 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 287 { 288 289 domediaopt(val, 1, s); 290 } 291 292 static void 293 domediaopt(const char *val, int clear, int s) 294 { 295 struct ifmediareq *ifmr; 296 int options; 297 298 ifmr = getifmediastate(s); 299 300 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); 301 302 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 303 ifr.ifr_media = ifmr->ifm_current; 304 if (clear) 305 ifr.ifr_media &= ~options; 306 else { 307 if (options & IFM_HDX) { 308 ifr.ifr_media &= ~IFM_FDX; 309 options &= ~IFM_HDX; 310 } 311 ifr.ifr_media |= options; 312 } 313 ifmr->ifm_current = ifr.ifr_media; 314 callback_register(setifmediacallback, (void *)ifmr); 315 } 316 317 318 static void 319 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 320 { 321 struct ifmediareq *ifmr; 322 int mode; 323 324 ifmr = getifmediastate(s); 325 326 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); 327 328 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 329 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; 330 331 ifmr->ifm_current = ifr.ifr_media; 332 callback_register(setifmediacallback, (void *)ifmr); 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 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 382 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 383 384 static struct ifmedia_description ifm_subtype_atm_descriptions[] = 385 IFM_SUBTYPE_ATM_DESCRIPTIONS; 386 387 static struct ifmedia_description ifm_subtype_atm_aliases[] = 388 IFM_SUBTYPE_ATM_ALIASES; 389 390 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 391 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 392 393 static struct ifmedia_description ifm_subtype_shared_descriptions[] = 394 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 395 396 static struct ifmedia_description ifm_subtype_shared_aliases[] = 397 IFM_SUBTYPE_SHARED_ALIASES; 398 399 static struct ifmedia_description ifm_shared_option_descriptions[] = 400 IFM_SHARED_OPTION_DESCRIPTIONS; 401 402 struct ifmedia_type_to_subtype { 403 struct { 404 struct ifmedia_description *desc; 405 int alias; 406 } subtypes[5]; 407 struct { 408 struct ifmedia_description *desc; 409 int alias; 410 } options[3]; 411 struct { 412 struct ifmedia_description *desc; 413 int alias; 414 } modes[3]; 415 }; 416 417 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 418 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 419 { 420 { 421 { &ifm_subtype_shared_descriptions[0], 0 }, 422 { &ifm_subtype_shared_aliases[0], 1 }, 423 { &ifm_subtype_ethernet_descriptions[0], 0 }, 424 { &ifm_subtype_ethernet_aliases[0], 1 }, 425 { NULL, 0 }, 426 }, 427 { 428 { &ifm_shared_option_descriptions[0], 0 }, 429 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 430 { NULL, 0 }, 431 }, 432 { 433 { NULL, 0 }, 434 }, 435 }, 436 { 437 { 438 { &ifm_subtype_shared_descriptions[0], 0 }, 439 { &ifm_subtype_shared_aliases[0], 1 }, 440 { &ifm_subtype_tokenring_descriptions[0], 0 }, 441 { &ifm_subtype_tokenring_aliases[0], 1 }, 442 { NULL, 0 }, 443 }, 444 { 445 { &ifm_shared_option_descriptions[0], 0 }, 446 { &ifm_subtype_tokenring_option_descriptions[0], 0 }, 447 { NULL, 0 }, 448 }, 449 { 450 { NULL, 0 }, 451 }, 452 }, 453 { 454 { 455 { &ifm_subtype_shared_descriptions[0], 0 }, 456 { &ifm_subtype_shared_aliases[0], 1 }, 457 { &ifm_subtype_fddi_descriptions[0], 0 }, 458 { &ifm_subtype_fddi_aliases[0], 1 }, 459 { NULL, 0 }, 460 }, 461 { 462 { &ifm_shared_option_descriptions[0], 0 }, 463 { &ifm_subtype_fddi_option_descriptions[0], 0 }, 464 { NULL, 0 }, 465 }, 466 { 467 { NULL, 0 }, 468 }, 469 }, 470 { 471 { 472 { &ifm_subtype_shared_descriptions[0], 0 }, 473 { &ifm_subtype_shared_aliases[0], 1 }, 474 { &ifm_subtype_ieee80211_descriptions[0], 0 }, 475 { &ifm_subtype_ieee80211_aliases[0], 1 }, 476 { NULL, 0 }, 477 }, 478 { 479 { &ifm_shared_option_descriptions[0], 0 }, 480 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 481 { NULL, 0 }, 482 }, 483 { 484 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 485 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 486 { NULL, 0 }, 487 }, 488 }, 489 { 490 { 491 { &ifm_subtype_shared_descriptions[0], 0 }, 492 { &ifm_subtype_shared_aliases[0], 1 }, 493 { &ifm_subtype_atm_descriptions[0], 0 }, 494 { &ifm_subtype_atm_aliases[0], 1 }, 495 { NULL, 0 }, 496 }, 497 { 498 { &ifm_shared_option_descriptions[0], 0 }, 499 { &ifm_subtype_atm_option_descriptions[0], 0 }, 500 { NULL, 0 }, 501 }, 502 { 503 { NULL, 0 }, 504 }, 505 }, 506 }; 507 508 static int 509 get_media_subtype(int type, const char *val) 510 { 511 struct ifmedia_description *desc; 512 struct ifmedia_type_to_subtype *ttos; 513 int rval, i; 514 515 /* Find the top-level interface type. */ 516 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 517 desc->ifmt_string != NULL; desc++, ttos++) 518 if (type == desc->ifmt_word) 519 break; 520 if (desc->ifmt_string == NULL) 521 errx(1, "unknown media type 0x%x", type); 522 523 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 524 rval = lookup_media_word(ttos->subtypes[i].desc, val); 525 if (rval != -1) 526 return (rval); 527 } 528 errx(1, "unknown media subtype: %s", val); 529 /*NOTREACHED*/ 530 } 531 532 static int 533 get_media_mode(int type, const char *val) 534 { 535 struct ifmedia_description *desc; 536 struct ifmedia_type_to_subtype *ttos; 537 int rval, i; 538 539 /* Find the top-level interface type. */ 540 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 541 desc->ifmt_string != NULL; desc++, ttos++) 542 if (type == desc->ifmt_word) 543 break; 544 if (desc->ifmt_string == NULL) 545 errx(1, "unknown media mode 0x%x", type); 546 547 for (i = 0; ttos->modes[i].desc != NULL; i++) { 548 rval = lookup_media_word(ttos->modes[i].desc, val); 549 if (rval != -1) 550 return (rval); 551 } 552 return -1; 553 } 554 555 static int 556 get_media_options(int type, const char *val) 557 { 558 struct ifmedia_description *desc; 559 struct ifmedia_type_to_subtype *ttos; 560 char *optlist, *optptr; 561 int option = 0, i, rval = 0; 562 563 /* We muck with the string, so copy it. */ 564 optlist = strdup(val); 565 if (optlist == NULL) 566 err(1, "strdup"); 567 568 /* Find the top-level interface type. */ 569 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 570 desc->ifmt_string != NULL; desc++, ttos++) 571 if (type == desc->ifmt_word) 572 break; 573 if (desc->ifmt_string == NULL) 574 errx(1, "unknown media type 0x%x", type); 575 576 /* 577 * Look up the options in the user-provided comma-separated 578 * list. 579 */ 580 optptr = optlist; 581 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 582 for (i = 0; ttos->options[i].desc != NULL; i++) { 583 option = lookup_media_word(ttos->options[i].desc, optptr); 584 if (option != -1) 585 break; 586 } 587 if (option == 0) 588 errx(1, "unknown option: %s", optptr); 589 rval |= option; 590 } 591 592 free(optlist); 593 return (rval); 594 } 595 596 static int 597 lookup_media_word(struct ifmedia_description *desc, const char *val) 598 { 599 600 for (; desc->ifmt_string != NULL; desc++) 601 if (strcasecmp(desc->ifmt_string, val) == 0) 602 return (desc->ifmt_word); 603 604 return (-1); 605 } 606 607 static struct ifmedia_description *get_toptype_desc(int ifmw) 608 { 609 struct ifmedia_description *desc; 610 611 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 612 if (IFM_TYPE(ifmw) == desc->ifmt_word) 613 break; 614 615 return desc; 616 } 617 618 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 619 { 620 struct ifmedia_description *desc; 621 struct ifmedia_type_to_subtype *ttos; 622 623 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 624 desc->ifmt_string != NULL; desc++, ttos++) 625 if (IFM_TYPE(ifmw) == desc->ifmt_word) 626 break; 627 628 return ttos; 629 } 630 631 static struct ifmedia_description *get_subtype_desc(int ifmw, 632 struct ifmedia_type_to_subtype *ttos) 633 { 634 int i; 635 struct ifmedia_description *desc; 636 637 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 638 if (ttos->subtypes[i].alias) 639 continue; 640 for (desc = ttos->subtypes[i].desc; 641 desc->ifmt_string != NULL; desc++) { 642 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 643 return desc; 644 } 645 } 646 647 return NULL; 648 } 649 650 static struct ifmedia_description *get_mode_desc(int ifmw, 651 struct ifmedia_type_to_subtype *ttos) 652 { 653 int i; 654 struct ifmedia_description *desc; 655 656 for (i = 0; ttos->modes[i].desc != NULL; i++) { 657 if (ttos->modes[i].alias) 658 continue; 659 for (desc = ttos->modes[i].desc; 660 desc->ifmt_string != NULL; desc++) { 661 if (IFM_MODE(ifmw) == desc->ifmt_word) 662 return desc; 663 } 664 } 665 666 return NULL; 667 } 668 669 static void 670 print_media_word(int ifmw, int print_toptype) 671 { 672 struct ifmedia_description *desc; 673 struct ifmedia_type_to_subtype *ttos; 674 int seen_option = 0, i; 675 676 /* Find the top-level interface type. */ 677 desc = get_toptype_desc(ifmw); 678 ttos = get_toptype_ttos(ifmw); 679 if (desc->ifmt_string == NULL) { 680 printf("<unknown type>"); 681 return; 682 } else if (print_toptype) { 683 printf("%s", desc->ifmt_string); 684 } 685 686 /* 687 * Don't print the top-level type; it's not like we can 688 * change it, or anything. 689 */ 690 691 /* Find subtype. */ 692 desc = get_subtype_desc(ifmw, ttos); 693 if (desc == NULL) { 694 printf("<unknown subtype>"); 695 return; 696 } 697 698 if (print_toptype) 699 putchar(' '); 700 701 printf("%s", desc->ifmt_string); 702 703 if (print_toptype) { 704 desc = get_mode_desc(ifmw, ttos); 705 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 706 printf(" mode %s", desc->ifmt_string); 707 } 708 709 /* Find options. */ 710 for (i = 0; ttos->options[i].desc != NULL; i++) { 711 if (ttos->options[i].alias) 712 continue; 713 for (desc = ttos->options[i].desc; 714 desc->ifmt_string != NULL; desc++) { 715 if (ifmw & desc->ifmt_word) { 716 if (seen_option == 0) 717 printf(" <"); 718 printf("%s%s", seen_option++ ? "," : "", 719 desc->ifmt_string); 720 } 721 } 722 } 723 printf("%s", seen_option ? ">" : ""); 724 } 725 726 static void 727 print_media_word_ifconfig(int ifmw) 728 { 729 struct ifmedia_description *desc; 730 struct ifmedia_type_to_subtype *ttos; 731 int i; 732 733 /* Find the top-level interface type. */ 734 desc = get_toptype_desc(ifmw); 735 ttos = get_toptype_ttos(ifmw); 736 if (desc->ifmt_string == NULL) { 737 printf("<unknown type>"); 738 return; 739 } 740 741 /* 742 * Don't print the top-level type; it's not like we can 743 * change it, or anything. 744 */ 745 746 /* Find subtype. */ 747 desc = get_subtype_desc(ifmw, ttos); 748 if (desc == NULL) { 749 printf("<unknown subtype>"); 750 return; 751 } 752 753 printf("media %s", desc->ifmt_string); 754 755 desc = get_mode_desc(ifmw, ttos); 756 if (desc != NULL) 757 printf(" mode %s", desc->ifmt_string); 758 759 /* Find options. */ 760 for (i = 0; ttos->options[i].desc != NULL; i++) { 761 if (ttos->options[i].alias) 762 continue; 763 for (desc = ttos->options[i].desc; 764 desc->ifmt_string != NULL; desc++) { 765 if (ifmw & desc->ifmt_word) { 766 printf(" mediaopt %s", desc->ifmt_string); 767 } 768 } 769 } 770 } 771 772 /********************************************************************** 773 * ...until here. 774 **********************************************************************/ 775 776 static struct cmd media_cmds[] = { 777 DEF_CMD_ARG("media", setmedia), 778 DEF_CMD_ARG("mode", setmediamode), 779 DEF_CMD_ARG("mediaopt", setmediaopt), 780 DEF_CMD_ARG("-mediaopt",unsetmediaopt), 781 }; 782 static struct afswtch af_media = { 783 .af_name = "af_media", 784 .af_af = AF_UNSPEC, 785 .af_other_status = media_status, 786 }; 787 788 static __constructor void 789 ifmedia_ctor(void) 790 { 791 #define N(a) (sizeof(a) / sizeof(a[0])) 792 int i; 793 794 for (i = 0; i < N(media_cmds); i++) 795 cmd_register(&media_cmds[i]); 796 af_register(&af_media); 797 #undef N 798 } 799