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 #define IFM_OPMODE(x) \ 106 ((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \ 107 IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \ 108 IFM_IEEE80211_MBSS)) 109 #define IFM_IEEE80211_STA 0 110 111 static void 112 media_status(int s) 113 { 114 struct ifmediareq ifmr; 115 int *media_list, i; 116 117 (void) memset(&ifmr, 0, sizeof(ifmr)); 118 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 119 120 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 121 /* 122 * Interface doesn't support SIOC{G,S}IFMEDIA. 123 */ 124 return; 125 } 126 127 if (ifmr.ifm_count == 0) { 128 warnx("%s: no media types?", name); 129 return; 130 } 131 132 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 133 if (media_list == NULL) 134 err(1, "malloc"); 135 ifmr.ifm_ulist = media_list; 136 137 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 138 err(1, "SIOCGIFMEDIA"); 139 140 printf("\tmedia: "); 141 print_media_word(ifmr.ifm_current, 1); 142 if (ifmr.ifm_active != ifmr.ifm_current) { 143 putchar(' '); 144 putchar('('); 145 print_media_word(ifmr.ifm_active, 0); 146 putchar(')'); 147 } 148 149 putchar('\n'); 150 151 if (ifmr.ifm_status & IFM_AVALID) { 152 printf("\tstatus: "); 153 switch (IFM_TYPE(ifmr.ifm_active)) { 154 case IFM_ETHER: 155 case IFM_ATM: 156 if (ifmr.ifm_status & IFM_ACTIVE) 157 printf("active"); 158 else 159 printf("no carrier"); 160 break; 161 162 case IFM_FDDI: 163 case IFM_TOKEN: 164 if (ifmr.ifm_status & IFM_ACTIVE) 165 printf("inserted"); 166 else 167 printf("no ring"); 168 break; 169 170 case IFM_IEEE80211: 171 if (ifmr.ifm_status & IFM_ACTIVE) { 172 /* NB: only sta mode associates */ 173 if (IFM_OPMODE(ifmr.ifm_active) == IFM_IEEE80211_STA) 174 printf("associated"); 175 else 176 printf("running"); 177 } else 178 printf("no carrier"); 179 break; 180 } 181 putchar('\n'); 182 } 183 184 if (ifmr.ifm_count > 0 && supmedia) { 185 printf("\tsupported media:\n"); 186 for (i = 0; i < ifmr.ifm_count; i++) { 187 printf("\t\t"); 188 print_media_word_ifconfig(media_list[i]); 189 putchar('\n'); 190 } 191 } 192 193 free(media_list); 194 } 195 196 struct ifmediareq * 197 ifmedia_getstate(int s) 198 { 199 static struct ifmediareq *ifmr = NULL; 200 int *mwords; 201 202 if (ifmr == NULL) { 203 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq)); 204 if (ifmr == NULL) 205 err(1, "malloc"); 206 207 (void) memset(ifmr, 0, sizeof(struct ifmediareq)); 208 (void) strncpy(ifmr->ifm_name, name, 209 sizeof(ifmr->ifm_name)); 210 211 ifmr->ifm_count = 0; 212 ifmr->ifm_ulist = NULL; 213 214 /* 215 * We must go through the motions of reading all 216 * supported media because we need to know both 217 * the current media type and the top-level type. 218 */ 219 220 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) { 221 err(1, "SIOCGIFMEDIA"); 222 } 223 224 if (ifmr->ifm_count == 0) 225 errx(1, "%s: no media types?", name); 226 227 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int)); 228 if (mwords == NULL) 229 err(1, "malloc"); 230 231 ifmr->ifm_ulist = mwords; 232 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 233 err(1, "SIOCGIFMEDIA"); 234 } 235 236 return ifmr; 237 } 238 239 static void 240 setifmediacallback(int s, void *arg) 241 { 242 struct ifmediareq *ifmr = (struct ifmediareq *)arg; 243 static int did_it = 0; 244 245 if (!did_it) { 246 ifr.ifr_media = ifmr->ifm_current; 247 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 248 err(1, "SIOCSIFMEDIA (media)"); 249 free(ifmr->ifm_ulist); 250 free(ifmr); 251 did_it = 1; 252 } 253 } 254 255 static void 256 setmedia(const char *val, int d, int s, const struct afswtch *afp) 257 { 258 struct ifmediareq *ifmr; 259 int subtype; 260 261 ifmr = ifmedia_getstate(s); 262 263 /* 264 * We are primarily concerned with the top-level type. 265 * However, "current" may be only IFM_NONE, so we just look 266 * for the top-level type in the first "supported type" 267 * entry. 268 * 269 * (I'm assuming that all supported media types for a given 270 * interface will be the same top-level type..) 271 */ 272 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); 273 274 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 275 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 276 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; 277 278 if ((ifr.ifr_media & IFM_TMASK) == 0) { 279 ifr.ifr_media &= ~IFM_GMASK; 280 } 281 282 ifmr->ifm_current = ifr.ifr_media; 283 callback_register(setifmediacallback, (void *)ifmr); 284 } 285 286 static void 287 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 288 { 289 290 domediaopt(val, 0, s); 291 } 292 293 static void 294 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 295 { 296 297 domediaopt(val, 1, s); 298 } 299 300 static void 301 domediaopt(const char *val, int clear, int s) 302 { 303 struct ifmediareq *ifmr; 304 int options; 305 306 ifmr = ifmedia_getstate(s); 307 308 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); 309 310 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 311 ifr.ifr_media = ifmr->ifm_current; 312 if (clear) 313 ifr.ifr_media &= ~options; 314 else { 315 if (options & IFM_HDX) { 316 ifr.ifr_media &= ~IFM_FDX; 317 options &= ~IFM_HDX; 318 } 319 ifr.ifr_media |= options; 320 } 321 ifmr->ifm_current = ifr.ifr_media; 322 callback_register(setifmediacallback, (void *)ifmr); 323 } 324 325 static void 326 setmediainst(const char *val, int d, int s, const struct afswtch *afp) 327 { 328 struct ifmediareq *ifmr; 329 int inst; 330 331 ifmr = ifmedia_getstate(s); 332 333 inst = atoi(val); 334 if (inst < 0 || inst > (int)IFM_INST_MAX) 335 errx(1, "invalid media instance: %s", val); 336 337 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 338 ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT; 339 340 ifmr->ifm_current = ifr.ifr_media; 341 callback_register(setifmediacallback, (void *)ifmr); 342 } 343 344 static void 345 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 346 { 347 struct ifmediareq *ifmr; 348 int mode; 349 350 ifmr = ifmedia_getstate(s); 351 352 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); 353 354 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 355 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; 356 357 ifmr->ifm_current = ifr.ifr_media; 358 callback_register(setifmediacallback, (void *)ifmr); 359 } 360 361 /********************************************************************** 362 * A good chunk of this is duplicated from sys/net/ifmedia.c 363 **********************************************************************/ 364 365 static struct ifmedia_description ifm_type_descriptions[] = 366 IFM_TYPE_DESCRIPTIONS; 367 368 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 369 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 370 371 static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 372 IFM_SUBTYPE_ETHERNET_ALIASES; 373 374 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 375 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 376 377 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = 378 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 379 380 static struct ifmedia_description ifm_subtype_tokenring_aliases[] = 381 IFM_SUBTYPE_TOKENRING_ALIASES; 382 383 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 384 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 385 386 static struct ifmedia_description ifm_subtype_fddi_descriptions[] = 387 IFM_SUBTYPE_FDDI_DESCRIPTIONS; 388 389 static struct ifmedia_description ifm_subtype_fddi_aliases[] = 390 IFM_SUBTYPE_FDDI_ALIASES; 391 392 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 393 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 394 395 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 396 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 397 398 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 399 IFM_SUBTYPE_IEEE80211_ALIASES; 400 401 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 402 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 403 404 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 405 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 406 407 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 408 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 409 410 static struct ifmedia_description ifm_subtype_atm_descriptions[] = 411 IFM_SUBTYPE_ATM_DESCRIPTIONS; 412 413 static struct ifmedia_description ifm_subtype_atm_aliases[] = 414 IFM_SUBTYPE_ATM_ALIASES; 415 416 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 417 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 418 419 static struct ifmedia_description ifm_subtype_shared_descriptions[] = 420 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 421 422 static struct ifmedia_description ifm_subtype_shared_aliases[] = 423 IFM_SUBTYPE_SHARED_ALIASES; 424 425 static struct ifmedia_description ifm_shared_option_descriptions[] = 426 IFM_SHARED_OPTION_DESCRIPTIONS; 427 428 struct ifmedia_type_to_subtype { 429 struct { 430 struct ifmedia_description *desc; 431 int alias; 432 } subtypes[5]; 433 struct { 434 struct ifmedia_description *desc; 435 int alias; 436 } options[3]; 437 struct { 438 struct ifmedia_description *desc; 439 int alias; 440 } modes[3]; 441 }; 442 443 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 444 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 445 { 446 { 447 { &ifm_subtype_shared_descriptions[0], 0 }, 448 { &ifm_subtype_shared_aliases[0], 1 }, 449 { &ifm_subtype_ethernet_descriptions[0], 0 }, 450 { &ifm_subtype_ethernet_aliases[0], 1 }, 451 { NULL, 0 }, 452 }, 453 { 454 { &ifm_shared_option_descriptions[0], 0 }, 455 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 456 { NULL, 0 }, 457 }, 458 { 459 { NULL, 0 }, 460 }, 461 }, 462 { 463 { 464 { &ifm_subtype_shared_descriptions[0], 0 }, 465 { &ifm_subtype_shared_aliases[0], 1 }, 466 { &ifm_subtype_tokenring_descriptions[0], 0 }, 467 { &ifm_subtype_tokenring_aliases[0], 1 }, 468 { NULL, 0 }, 469 }, 470 { 471 { &ifm_shared_option_descriptions[0], 0 }, 472 { &ifm_subtype_tokenring_option_descriptions[0], 0 }, 473 { NULL, 0 }, 474 }, 475 { 476 { NULL, 0 }, 477 }, 478 }, 479 { 480 { 481 { &ifm_subtype_shared_descriptions[0], 0 }, 482 { &ifm_subtype_shared_aliases[0], 1 }, 483 { &ifm_subtype_fddi_descriptions[0], 0 }, 484 { &ifm_subtype_fddi_aliases[0], 1 }, 485 { NULL, 0 }, 486 }, 487 { 488 { &ifm_shared_option_descriptions[0], 0 }, 489 { &ifm_subtype_fddi_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_ieee80211_descriptions[0], 0 }, 501 { &ifm_subtype_ieee80211_aliases[0], 1 }, 502 { NULL, 0 }, 503 }, 504 { 505 { &ifm_shared_option_descriptions[0], 0 }, 506 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 507 { NULL, 0 }, 508 }, 509 { 510 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 511 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 512 { NULL, 0 }, 513 }, 514 }, 515 { 516 { 517 { &ifm_subtype_shared_descriptions[0], 0 }, 518 { &ifm_subtype_shared_aliases[0], 1 }, 519 { &ifm_subtype_atm_descriptions[0], 0 }, 520 { &ifm_subtype_atm_aliases[0], 1 }, 521 { NULL, 0 }, 522 }, 523 { 524 { &ifm_shared_option_descriptions[0], 0 }, 525 { &ifm_subtype_atm_option_descriptions[0], 0 }, 526 { NULL, 0 }, 527 }, 528 { 529 { NULL, 0 }, 530 }, 531 }, 532 }; 533 534 static int 535 get_media_subtype(int type, const char *val) 536 { 537 struct ifmedia_description *desc; 538 struct ifmedia_type_to_subtype *ttos; 539 int rval, i; 540 541 /* Find the top-level interface type. */ 542 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 543 desc->ifmt_string != NULL; desc++, ttos++) 544 if (type == desc->ifmt_word) 545 break; 546 if (desc->ifmt_string == NULL) 547 errx(1, "unknown media type 0x%x", type); 548 549 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 550 rval = lookup_media_word(ttos->subtypes[i].desc, val); 551 if (rval != -1) 552 return (rval); 553 } 554 errx(1, "unknown media subtype: %s", val); 555 /*NOTREACHED*/ 556 } 557 558 static int 559 get_media_mode(int type, const char *val) 560 { 561 struct ifmedia_description *desc; 562 struct ifmedia_type_to_subtype *ttos; 563 int rval, i; 564 565 /* Find the top-level interface type. */ 566 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 567 desc->ifmt_string != NULL; desc++, ttos++) 568 if (type == desc->ifmt_word) 569 break; 570 if (desc->ifmt_string == NULL) 571 errx(1, "unknown media mode 0x%x", type); 572 573 for (i = 0; ttos->modes[i].desc != NULL; i++) { 574 rval = lookup_media_word(ttos->modes[i].desc, val); 575 if (rval != -1) 576 return (rval); 577 } 578 return -1; 579 } 580 581 static int 582 get_media_options(int type, const char *val) 583 { 584 struct ifmedia_description *desc; 585 struct ifmedia_type_to_subtype *ttos; 586 char *optlist, *optptr; 587 int option = 0, i, rval = 0; 588 589 /* We muck with the string, so copy it. */ 590 optlist = strdup(val); 591 if (optlist == NULL) 592 err(1, "strdup"); 593 594 /* Find the top-level interface type. */ 595 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 596 desc->ifmt_string != NULL; desc++, ttos++) 597 if (type == desc->ifmt_word) 598 break; 599 if (desc->ifmt_string == NULL) 600 errx(1, "unknown media type 0x%x", type); 601 602 /* 603 * Look up the options in the user-provided comma-separated 604 * list. 605 */ 606 optptr = optlist; 607 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 608 for (i = 0; ttos->options[i].desc != NULL; i++) { 609 option = lookup_media_word(ttos->options[i].desc, optptr); 610 if (option != -1) 611 break; 612 } 613 if (option == 0) 614 errx(1, "unknown option: %s", optptr); 615 rval |= option; 616 } 617 618 free(optlist); 619 return (rval); 620 } 621 622 static int 623 lookup_media_word(struct ifmedia_description *desc, const char *val) 624 { 625 626 for (; desc->ifmt_string != NULL; desc++) 627 if (strcasecmp(desc->ifmt_string, val) == 0) 628 return (desc->ifmt_word); 629 630 return (-1); 631 } 632 633 static struct ifmedia_description *get_toptype_desc(int ifmw) 634 { 635 struct ifmedia_description *desc; 636 637 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 638 if (IFM_TYPE(ifmw) == desc->ifmt_word) 639 break; 640 641 return desc; 642 } 643 644 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 645 { 646 struct ifmedia_description *desc; 647 struct ifmedia_type_to_subtype *ttos; 648 649 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 650 desc->ifmt_string != NULL; desc++, ttos++) 651 if (IFM_TYPE(ifmw) == desc->ifmt_word) 652 break; 653 654 return ttos; 655 } 656 657 static struct ifmedia_description *get_subtype_desc(int ifmw, 658 struct ifmedia_type_to_subtype *ttos) 659 { 660 int i; 661 struct ifmedia_description *desc; 662 663 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 664 if (ttos->subtypes[i].alias) 665 continue; 666 for (desc = ttos->subtypes[i].desc; 667 desc->ifmt_string != NULL; desc++) { 668 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 669 return desc; 670 } 671 } 672 673 return NULL; 674 } 675 676 static struct ifmedia_description *get_mode_desc(int ifmw, 677 struct ifmedia_type_to_subtype *ttos) 678 { 679 int i; 680 struct ifmedia_description *desc; 681 682 for (i = 0; ttos->modes[i].desc != NULL; i++) { 683 if (ttos->modes[i].alias) 684 continue; 685 for (desc = ttos->modes[i].desc; 686 desc->ifmt_string != NULL; desc++) { 687 if (IFM_MODE(ifmw) == desc->ifmt_word) 688 return desc; 689 } 690 } 691 692 return NULL; 693 } 694 695 static void 696 print_media_word(int ifmw, int print_toptype) 697 { 698 struct ifmedia_description *desc; 699 struct ifmedia_type_to_subtype *ttos; 700 int seen_option = 0, i; 701 702 /* Find the top-level interface type. */ 703 desc = get_toptype_desc(ifmw); 704 ttos = get_toptype_ttos(ifmw); 705 if (desc->ifmt_string == NULL) { 706 printf("<unknown type>"); 707 return; 708 } else if (print_toptype) { 709 printf("%s", desc->ifmt_string); 710 } 711 712 /* 713 * Don't print the top-level type; it's not like we can 714 * change it, or anything. 715 */ 716 717 /* Find subtype. */ 718 desc = get_subtype_desc(ifmw, ttos); 719 if (desc == NULL) { 720 printf("<unknown subtype>"); 721 return; 722 } 723 724 if (print_toptype) 725 putchar(' '); 726 727 printf("%s", desc->ifmt_string); 728 729 if (print_toptype) { 730 desc = get_mode_desc(ifmw, ttos); 731 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 732 printf(" mode %s", desc->ifmt_string); 733 } 734 735 /* Find options. */ 736 for (i = 0; ttos->options[i].desc != NULL; i++) { 737 if (ttos->options[i].alias) 738 continue; 739 for (desc = ttos->options[i].desc; 740 desc->ifmt_string != NULL; desc++) { 741 if (ifmw & desc->ifmt_word) { 742 if (seen_option == 0) 743 printf(" <"); 744 printf("%s%s", seen_option++ ? "," : "", 745 desc->ifmt_string); 746 } 747 } 748 } 749 printf("%s", seen_option ? ">" : ""); 750 751 if (print_toptype && IFM_INST(ifmw) != 0) 752 printf(" instance %d", IFM_INST(ifmw)); 753 } 754 755 static void 756 print_media_word_ifconfig(int ifmw) 757 { 758 struct ifmedia_description *desc; 759 struct ifmedia_type_to_subtype *ttos; 760 int i; 761 762 /* Find the top-level interface type. */ 763 desc = get_toptype_desc(ifmw); 764 ttos = get_toptype_ttos(ifmw); 765 if (desc->ifmt_string == NULL) { 766 printf("<unknown type>"); 767 return; 768 } 769 770 /* 771 * Don't print the top-level type; it's not like we can 772 * change it, or anything. 773 */ 774 775 /* Find subtype. */ 776 desc = get_subtype_desc(ifmw, ttos); 777 if (desc == NULL) { 778 printf("<unknown subtype>"); 779 return; 780 } 781 782 printf("media %s", desc->ifmt_string); 783 784 desc = get_mode_desc(ifmw, ttos); 785 if (desc != NULL) 786 printf(" mode %s", desc->ifmt_string); 787 788 /* Find options. */ 789 for (i = 0; ttos->options[i].desc != NULL; i++) { 790 if (ttos->options[i].alias) 791 continue; 792 for (desc = ttos->options[i].desc; 793 desc->ifmt_string != NULL; desc++) { 794 if (ifmw & desc->ifmt_word) { 795 printf(" mediaopt %s", desc->ifmt_string); 796 } 797 } 798 } 799 800 if (IFM_INST(ifmw) != 0) 801 printf(" instance %d", IFM_INST(ifmw)); 802 } 803 804 /********************************************************************** 805 * ...until here. 806 **********************************************************************/ 807 808 static struct cmd media_cmds[] = { 809 DEF_CMD_ARG("media", setmedia), 810 DEF_CMD_ARG("mode", setmediamode), 811 DEF_CMD_ARG("mediaopt", setmediaopt), 812 DEF_CMD_ARG("-mediaopt",unsetmediaopt), 813 DEF_CMD_ARG("inst", setmediainst), 814 DEF_CMD_ARG("instance", setmediainst), 815 }; 816 static struct afswtch af_media = { 817 .af_name = "af_media", 818 .af_af = AF_UNSPEC, 819 .af_other_status = media_status, 820 }; 821 822 static __constructor void 823 ifmedia_ctor(void) 824 { 825 #define N(a) (sizeof(a) / sizeof(a[0])) 826 size_t i; 827 828 for (i = 0; i < N(media_cmds); i++) 829 cmd_register(&media_cmds[i]); 830 af_register(&af_media); 831 #undef N 832 } 833