1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 static const char copyright[] = 34 "@(#) Copyright (c) 1983, 1993\n\ 35 The Regents of the University of California. All rights reserved.\n"; 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 41 #endif 42 static const char rcsid[] = 43 "$FreeBSD$"; 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/ioctl.h> 48 #include <sys/module.h> 49 #include <sys/linker.h> 50 #include <sys/queue.h> 51 #include <sys/socket.h> 52 #include <sys/time.h> 53 54 #include <net/ethernet.h> 55 #include <net/if.h> 56 #include <net/if_dl.h> 57 #include <net/if_types.h> 58 #include <net/route.h> 59 60 /* IP */ 61 #include <netinet/in.h> 62 #include <netinet/in_var.h> 63 #include <arpa/inet.h> 64 #include <netdb.h> 65 66 #include <ifaddrs.h> 67 #include <ctype.h> 68 #include <err.h> 69 #include <errno.h> 70 #include <fcntl.h> 71 #ifdef JAIL 72 #include <jail.h> 73 #endif 74 #include <stdio.h> 75 #include <stdlib.h> 76 #include <string.h> 77 #include <unistd.h> 78 79 #include "ifconfig.h" 80 81 /* 82 * Since "struct ifreq" is composed of various union members, callers 83 * should pay special attention to interpret the value. 84 * (.e.g. little/big endian difference in the structure.) 85 */ 86 struct ifreq ifr; 87 88 char name[IFNAMSIZ]; 89 char *descr = NULL; 90 size_t descrlen = 64; 91 int setaddr; 92 int setmask; 93 int doalias; 94 int clearaddr; 95 int newaddr = 1; 96 int verbose; 97 int noload; 98 int printifname = 0; 99 100 int supmedia = 0; 101 int printkeys = 0; /* Print keying material for interfaces. */ 102 103 /* Formatter Strings */ 104 char *f_inet, *f_inet6, *f_ether, *f_addr; 105 106 static int ifconfig(int argc, char *const *argv, int iscreate, 107 const struct afswtch *afp); 108 static void status(const struct afswtch *afp, const struct sockaddr_dl *sdl, 109 struct ifaddrs *ifa); 110 static void tunnel_status(int s); 111 static void usage(void) _Noreturn; 112 113 static struct afswtch *af_getbyname(const char *name); 114 static struct afswtch *af_getbyfamily(int af); 115 static void af_other_status(int); 116 117 void printifnamemaybe(void); 118 119 static struct option *opts = NULL; 120 121 struct ifa_order_elt { 122 int if_order; 123 int af_orders[255]; 124 struct ifaddrs *ifa; 125 TAILQ_ENTRY(ifa_order_elt) link; 126 }; 127 128 TAILQ_HEAD(ifa_queue, ifa_order_elt); 129 130 void 131 opt_register(struct option *p) 132 { 133 p->next = opts; 134 opts = p; 135 } 136 137 static void 138 usage(void) 139 { 140 char options[1024]; 141 struct option *p; 142 143 /* XXX not right but close enough for now */ 144 options[0] = '\0'; 145 for (p = opts; p != NULL; p = p->next) { 146 strlcat(options, p->opt_usage, sizeof(options)); 147 strlcat(options, " ", sizeof(options)); 148 } 149 150 fprintf(stderr, 151 "usage: ifconfig [-f type:format] %sinterface address_family\n" 152 " [address [dest_address]] [parameters]\n" 153 " ifconfig interface create\n" 154 " ifconfig -a %s[-d] [-m] [-u] [-v] [address_family]\n" 155 " ifconfig -l [-d] [-u] [address_family]\n" 156 " ifconfig %s[-d] [-m] [-u] [-v]\n", 157 options, options, options); 158 exit(1); 159 } 160 161 #define ORDERS_SIZE(x) sizeof(x) / sizeof(x[0]) 162 163 static int 164 calcorders(struct ifaddrs *ifa, struct ifa_queue *q) 165 { 166 struct ifaddrs *prev; 167 struct ifa_order_elt *cur; 168 unsigned int ord, af, ifa_ord; 169 170 prev = NULL; 171 cur = NULL; 172 ord = 0; 173 ifa_ord = 0; 174 175 while (ifa != NULL) { 176 if (prev == NULL || 177 strcmp(ifa->ifa_name, prev->ifa_name) != 0) { 178 cur = calloc(1, sizeof(*cur)); 179 180 if (cur == NULL) 181 return (-1); 182 183 TAILQ_INSERT_TAIL(q, cur, link); 184 cur->if_order = ifa_ord ++; 185 cur->ifa = ifa; 186 ord = 0; 187 } 188 189 if (ifa->ifa_addr) { 190 af = ifa->ifa_addr->sa_family; 191 192 if (af < ORDERS_SIZE(cur->af_orders) && 193 cur->af_orders[af] == 0) 194 cur->af_orders[af] = ++ord; 195 } 196 prev = ifa; 197 ifa = ifa->ifa_next; 198 } 199 200 return (0); 201 } 202 203 static int 204 cmpifaddrs(struct ifaddrs *a, struct ifaddrs *b, struct ifa_queue *q) 205 { 206 struct ifa_order_elt *cur, *e1, *e2; 207 unsigned int af1, af2; 208 int ret; 209 210 e1 = e2 = NULL; 211 212 ret = strcmp(a->ifa_name, b->ifa_name); 213 if (ret != 0) { 214 TAILQ_FOREACH(cur, q, link) { 215 if (e1 && e2) 216 break; 217 218 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) 219 e1 = cur; 220 else if (strcmp(cur->ifa->ifa_name, b->ifa_name) == 0) 221 e2 = cur; 222 } 223 224 if (!e1 || !e2) 225 return (0); 226 else 227 return (e1->if_order - e2->if_order); 228 229 } else if (a->ifa_addr != NULL && b->ifa_addr != NULL) { 230 TAILQ_FOREACH(cur, q, link) { 231 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) { 232 e1 = cur; 233 break; 234 } 235 } 236 237 if (!e1) 238 return (0); 239 240 af1 = a->ifa_addr->sa_family; 241 af2 = b->ifa_addr->sa_family; 242 243 if (af1 < ORDERS_SIZE(e1->af_orders) && 244 af2 < ORDERS_SIZE(e1->af_orders)) 245 return (e1->af_orders[af1] - e1->af_orders[af2]); 246 } 247 248 return (0); 249 } 250 251 static void freeformat(void) 252 { 253 254 if (f_inet != NULL) 255 free(f_inet); 256 if (f_inet6 != NULL) 257 free(f_inet6); 258 if (f_ether != NULL) 259 free(f_ether); 260 if (f_addr != NULL) 261 free(f_addr); 262 } 263 264 static void setformat(char *input) 265 { 266 char *formatstr, *category, *modifier; 267 268 formatstr = strdup(input); 269 while ((category = strsep(&formatstr, ",")) != NULL) { 270 modifier = strchr(category, ':'); 271 if (modifier == NULL || modifier[1] == '\0') { 272 warnx("Skipping invalid format specification: %s\n", 273 category); 274 continue; 275 } 276 277 /* Split the string on the separator, then seek past it */ 278 modifier[0] = '\0'; 279 modifier++; 280 281 if (strcmp(category, "addr") == 0) 282 f_addr = strdup(modifier); 283 else if (strcmp(category, "ether") == 0) 284 f_ether = strdup(modifier); 285 else if (strcmp(category, "inet") == 0) 286 f_inet = strdup(modifier); 287 else if (strcmp(category, "inet6") == 0) 288 f_inet6 = strdup(modifier); 289 } 290 free(formatstr); 291 } 292 293 #undef ORDERS_SIZE 294 295 static struct ifaddrs * 296 sortifaddrs(struct ifaddrs *list, 297 int (*compare)(struct ifaddrs *, struct ifaddrs *, struct ifa_queue *), 298 struct ifa_queue *q) 299 { 300 struct ifaddrs *right, *temp, *last, *result, *next, *tail; 301 302 right = list; 303 temp = list; 304 last = list; 305 result = NULL; 306 next = NULL; 307 tail = NULL; 308 309 if (!list || !list->ifa_next) 310 return (list); 311 312 while (temp && temp->ifa_next) { 313 last = right; 314 right = right->ifa_next; 315 temp = temp->ifa_next->ifa_next; 316 } 317 318 last->ifa_next = NULL; 319 320 list = sortifaddrs(list, compare, q); 321 right = sortifaddrs(right, compare, q); 322 323 while (list || right) { 324 325 if (!right) { 326 next = list; 327 list = list->ifa_next; 328 } else if (!list) { 329 next = right; 330 right = right->ifa_next; 331 } else if (compare(list, right, q) <= 0) { 332 next = list; 333 list = list->ifa_next; 334 } else { 335 next = right; 336 right = right->ifa_next; 337 } 338 339 if (!result) 340 result = next; 341 else 342 tail->ifa_next = next; 343 344 tail = next; 345 } 346 347 return (result); 348 } 349 350 void printifnamemaybe() 351 { 352 if (printifname) 353 printf("%s\n", name); 354 } 355 356 int 357 main(int argc, char *argv[]) 358 { 359 int c, all, namesonly, downonly, uponly; 360 const struct afswtch *afp = NULL; 361 int ifindex; 362 struct ifaddrs *ifap, *sifap, *ifa; 363 struct ifreq paifr; 364 const struct sockaddr_dl *sdl; 365 char options[1024], *cp, *envformat, *namecp = NULL; 366 struct ifa_queue q = TAILQ_HEAD_INITIALIZER(q); 367 struct ifa_order_elt *cur, *tmp; 368 const char *ifname; 369 struct option *p; 370 size_t iflen; 371 372 all = downonly = uponly = namesonly = noload = verbose = 0; 373 f_inet = f_inet6 = f_ether = f_addr = NULL; 374 375 envformat = getenv("IFCONFIG_FORMAT"); 376 if (envformat != NULL) 377 setformat(envformat); 378 379 /* 380 * Ensure we print interface name when expected to, 381 * even if we terminate early due to error. 382 */ 383 atexit(printifnamemaybe); 384 385 /* Parse leading line options */ 386 strlcpy(options, "f:adklmnuv", sizeof(options)); 387 for (p = opts; p != NULL; p = p->next) 388 strlcat(options, p->opt, sizeof(options)); 389 while ((c = getopt(argc, argv, options)) != -1) { 390 switch (c) { 391 case 'a': /* scan all interfaces */ 392 all++; 393 break; 394 case 'd': /* restrict scan to "down" interfaces */ 395 downonly++; 396 break; 397 case 'f': 398 if (optarg == NULL) 399 usage(); 400 setformat(optarg); 401 break; 402 case 'k': 403 printkeys++; 404 break; 405 case 'l': /* scan interface names only */ 406 namesonly++; 407 break; 408 case 'm': /* show media choices in status */ 409 supmedia = 1; 410 break; 411 case 'n': /* suppress module loading */ 412 noload++; 413 break; 414 case 'u': /* restrict scan to "up" interfaces */ 415 uponly++; 416 break; 417 case 'v': 418 verbose++; 419 break; 420 default: 421 for (p = opts; p != NULL; p = p->next) 422 if (p->opt[0] == c) { 423 p->cb(optarg); 424 break; 425 } 426 if (p == NULL) 427 usage(); 428 break; 429 } 430 } 431 argc -= optind; 432 argv += optind; 433 434 /* -l cannot be used with -a or -m */ 435 if (namesonly && (all || supmedia)) 436 usage(); 437 438 /* nonsense.. */ 439 if (uponly && downonly) 440 usage(); 441 442 /* no arguments is equivalent to '-a' */ 443 if (!namesonly && argc < 1) 444 all = 1; 445 446 /* -a and -l allow an address family arg to limit the output */ 447 if (all || namesonly) { 448 if (argc > 1) 449 usage(); 450 451 ifname = NULL; 452 ifindex = 0; 453 if (argc == 1) { 454 afp = af_getbyname(*argv); 455 if (afp == NULL) { 456 warnx("Address family '%s' unknown.", *argv); 457 usage(); 458 } 459 if (afp->af_name != NULL) 460 argc--, argv++; 461 /* leave with afp non-zero */ 462 } 463 } else { 464 /* not listing, need an argument */ 465 if (argc < 1) 466 usage(); 467 468 ifname = *argv; 469 argc--, argv++; 470 471 /* check and maybe load support for this interface */ 472 ifmaybeload(ifname); 473 474 ifindex = if_nametoindex(ifname); 475 if (ifindex == 0) { 476 /* 477 * NOTE: We must special-case the `create' command 478 * right here as we would otherwise fail when trying 479 * to find the interface. 480 */ 481 if (argc > 0 && (strcmp(argv[0], "create") == 0 || 482 strcmp(argv[0], "plumb") == 0)) { 483 iflen = strlcpy(name, ifname, sizeof(name)); 484 if (iflen >= sizeof(name)) 485 errx(1, "%s: cloning name too long", 486 ifname); 487 ifconfig(argc, argv, 1, NULL); 488 exit(0); 489 } 490 #ifdef JAIL 491 /* 492 * NOTE: We have to special-case the `-vnet' command 493 * right here as we would otherwise fail when trying 494 * to find the interface as it lives in another vnet. 495 */ 496 if (argc > 0 && (strcmp(argv[0], "-vnet") == 0)) { 497 iflen = strlcpy(name, ifname, sizeof(name)); 498 if (iflen >= sizeof(name)) 499 errx(1, "%s: interface name too long", 500 ifname); 501 ifconfig(argc, argv, 0, NULL); 502 exit(0); 503 } 504 #endif 505 errx(1, "interface %s does not exist", ifname); 506 } 507 } 508 509 /* Check for address family */ 510 if (argc > 0) { 511 afp = af_getbyname(*argv); 512 if (afp != NULL) 513 argc--, argv++; 514 } 515 516 if (getifaddrs(&ifap) != 0) 517 err(EXIT_FAILURE, "getifaddrs"); 518 519 cp = NULL; 520 521 if (calcorders(ifap, &q) != 0) 522 err(EXIT_FAILURE, "calcorders"); 523 524 sifap = sortifaddrs(ifap, cmpifaddrs, &q); 525 526 TAILQ_FOREACH_SAFE(cur, &q, link, tmp) 527 free(cur); 528 529 ifindex = 0; 530 for (ifa = sifap; ifa; ifa = ifa->ifa_next) { 531 memset(&paifr, 0, sizeof(paifr)); 532 strlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 533 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 534 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 535 ifa->ifa_addr->sa_len); 536 } 537 538 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0) 539 continue; 540 if (ifa->ifa_addr->sa_family == AF_LINK) 541 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 542 else 543 sdl = NULL; 544 if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0 && !namesonly) 545 continue; 546 iflen = strlcpy(name, ifa->ifa_name, sizeof(name)); 547 if (iflen >= sizeof(name)) { 548 warnx("%s: interface name too long, skipping", 549 ifa->ifa_name); 550 continue; 551 } 552 cp = ifa->ifa_name; 553 554 if ((ifa->ifa_flags & IFF_CANTCONFIG) != 0) 555 continue; 556 if (downonly && (ifa->ifa_flags & IFF_UP) != 0) 557 continue; 558 if (uponly && (ifa->ifa_flags & IFF_UP) == 0) 559 continue; 560 /* 561 * Are we just listing the interfaces? 562 */ 563 if (namesonly) { 564 if (namecp == cp) 565 continue; 566 if (afp != NULL) { 567 /* special case for "ether" address family */ 568 if (!strcmp(afp->af_name, "ether")) { 569 if (sdl == NULL || 570 (sdl->sdl_type != IFT_ETHER && 571 sdl->sdl_type != IFT_L2VLAN && 572 sdl->sdl_type != IFT_BRIDGE) || 573 sdl->sdl_alen != ETHER_ADDR_LEN) 574 continue; 575 } else { 576 if (ifa->ifa_addr->sa_family 577 != afp->af_af) 578 continue; 579 } 580 } 581 namecp = cp; 582 ifindex++; 583 if (ifindex > 1) 584 printf(" "); 585 fputs(name, stdout); 586 continue; 587 } 588 ifindex++; 589 590 if (argc > 0) 591 ifconfig(argc, argv, 0, afp); 592 else 593 status(afp, sdl, ifa); 594 } 595 if (namesonly) 596 printf("\n"); 597 freeifaddrs(ifap); 598 599 freeformat(); 600 exit(0); 601 } 602 603 static struct afswtch *afs = NULL; 604 605 void 606 af_register(struct afswtch *p) 607 { 608 p->af_next = afs; 609 afs = p; 610 } 611 612 static struct afswtch * 613 af_getbyname(const char *name) 614 { 615 struct afswtch *afp; 616 617 for (afp = afs; afp != NULL; afp = afp->af_next) 618 if (strcmp(afp->af_name, name) == 0) 619 return afp; 620 return NULL; 621 } 622 623 static struct afswtch * 624 af_getbyfamily(int af) 625 { 626 struct afswtch *afp; 627 628 for (afp = afs; afp != NULL; afp = afp->af_next) 629 if (afp->af_af == af) 630 return afp; 631 return NULL; 632 } 633 634 static void 635 af_other_status(int s) 636 { 637 struct afswtch *afp; 638 uint8_t afmask[howmany(AF_MAX, NBBY)]; 639 640 memset(afmask, 0, sizeof(afmask)); 641 for (afp = afs; afp != NULL; afp = afp->af_next) { 642 if (afp->af_other_status == NULL) 643 continue; 644 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 645 continue; 646 afp->af_other_status(s); 647 setbit(afmask, afp->af_af); 648 } 649 } 650 651 static void 652 af_all_tunnel_status(int s) 653 { 654 struct afswtch *afp; 655 uint8_t afmask[howmany(AF_MAX, NBBY)]; 656 657 memset(afmask, 0, sizeof(afmask)); 658 for (afp = afs; afp != NULL; afp = afp->af_next) { 659 if (afp->af_status_tunnel == NULL) 660 continue; 661 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 662 continue; 663 afp->af_status_tunnel(s); 664 setbit(afmask, afp->af_af); 665 } 666 } 667 668 static struct cmd *cmds = NULL; 669 670 void 671 cmd_register(struct cmd *p) 672 { 673 p->c_next = cmds; 674 cmds = p; 675 } 676 677 static const struct cmd * 678 cmd_lookup(const char *name, int iscreate) 679 { 680 const struct cmd *p; 681 682 for (p = cmds; p != NULL; p = p->c_next) 683 if (strcmp(name, p->c_name) == 0) { 684 if (iscreate) { 685 if (p->c_iscloneop) 686 return p; 687 } else { 688 if (!p->c_iscloneop) 689 return p; 690 } 691 } 692 return NULL; 693 } 694 695 struct callback { 696 callback_func *cb_func; 697 void *cb_arg; 698 struct callback *cb_next; 699 }; 700 static struct callback *callbacks = NULL; 701 702 void 703 callback_register(callback_func *func, void *arg) 704 { 705 struct callback *cb; 706 707 cb = malloc(sizeof(struct callback)); 708 if (cb == NULL) 709 errx(1, "unable to allocate memory for callback"); 710 cb->cb_func = func; 711 cb->cb_arg = arg; 712 cb->cb_next = callbacks; 713 callbacks = cb; 714 } 715 716 /* specially-handled commands */ 717 static void setifaddr(const char *, int, int, const struct afswtch *); 718 static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr); 719 720 static void setifdstaddr(const char *, int, int, const struct afswtch *); 721 static const struct cmd setifdstaddr_cmd = 722 DEF_CMD("ifdstaddr", 0, setifdstaddr); 723 724 static int 725 ifconfig(int argc, char *const *argv, int iscreate, const struct afswtch *uafp) 726 { 727 const struct afswtch *afp, *nafp; 728 const struct cmd *p; 729 struct callback *cb; 730 int s; 731 732 strlcpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 733 afp = NULL; 734 if (uafp != NULL) 735 afp = uafp; 736 /* 737 * This is the historical "accident" allowing users to configure IPv4 738 * addresses without the "inet" keyword which while a nice feature has 739 * proven to complicate other things. We cannot remove this but only 740 * make sure we will never have a similar implicit default for IPv6 or 741 * any other address familiy. We need a fallback though for 742 * ifconfig IF up/down etc. to work without INET support as people 743 * never used ifconfig IF link up/down, etc. either. 744 */ 745 #ifndef RESCUE 746 #ifdef INET 747 if (afp == NULL && feature_present("inet")) 748 afp = af_getbyname("inet"); 749 #endif 750 #endif 751 if (afp == NULL) 752 afp = af_getbyname("link"); 753 if (afp == NULL) { 754 warnx("Please specify an address_family."); 755 usage(); 756 } 757 top: 758 ifr.ifr_addr.sa_family = 759 afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ? 760 AF_LOCAL : afp->af_af; 761 762 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0 && 763 (uafp != NULL || errno != EAFNOSUPPORT || 764 (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0)) 765 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 766 767 while (argc > 0) { 768 p = cmd_lookup(*argv, iscreate); 769 if (iscreate && p == NULL) { 770 /* 771 * Push the clone create callback so the new 772 * device is created and can be used for any 773 * remaining arguments. 774 */ 775 cb = callbacks; 776 if (cb == NULL) 777 errx(1, "internal error, no callback"); 778 callbacks = cb->cb_next; 779 cb->cb_func(s, cb->cb_arg); 780 iscreate = 0; 781 /* 782 * Handle any address family spec that 783 * immediately follows and potentially 784 * recreate the socket. 785 */ 786 nafp = af_getbyname(*argv); 787 if (nafp != NULL) { 788 argc--, argv++; 789 if (nafp != afp) { 790 close(s); 791 afp = nafp; 792 goto top; 793 } 794 } 795 /* 796 * Look for a normal parameter. 797 */ 798 continue; 799 } 800 if (p == NULL) { 801 /* 802 * Not a recognized command, choose between setting 803 * the interface address and the dst address. 804 */ 805 p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd); 806 } 807 if (p->c_parameter == NEXTARG && p->c_u.c_func) { 808 if (argv[1] == NULL) 809 errx(1, "'%s' requires argument", 810 p->c_name); 811 p->c_u.c_func(argv[1], 0, s, afp); 812 argc--, argv++; 813 } else if (p->c_parameter == OPTARG && p->c_u.c_func) { 814 p->c_u.c_func(argv[1], 0, s, afp); 815 if (argv[1] != NULL) 816 argc--, argv++; 817 } else if (p->c_parameter == NEXTARG2 && p->c_u.c_func2) { 818 if (argc < 3) 819 errx(1, "'%s' requires 2 arguments", 820 p->c_name); 821 p->c_u.c_func2(argv[1], argv[2], s, afp); 822 argc -= 2, argv += 2; 823 } else if (p->c_u.c_func) 824 p->c_u.c_func(*argv, p->c_parameter, s, afp); 825 argc--, argv++; 826 } 827 828 /* 829 * Do any post argument processing required by the address family. 830 */ 831 if (afp->af_postproc != NULL) 832 afp->af_postproc(s, afp); 833 /* 834 * Do deferred callbacks registered while processing 835 * command-line arguments. 836 */ 837 for (cb = callbacks; cb != NULL; cb = cb->cb_next) 838 cb->cb_func(s, cb->cb_arg); 839 /* 840 * Do deferred operations. 841 */ 842 if (clearaddr) { 843 if (afp->af_ridreq == NULL || afp->af_difaddr == 0) { 844 warnx("interface %s cannot change %s addresses!", 845 name, afp->af_name); 846 clearaddr = 0; 847 } 848 } 849 if (clearaddr) { 850 int ret; 851 strlcpy(((struct ifreq *)afp->af_ridreq)->ifr_name, name, 852 sizeof ifr.ifr_name); 853 ret = ioctl(s, afp->af_difaddr, afp->af_ridreq); 854 if (ret < 0) { 855 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 856 /* means no previous address for interface */ 857 } else 858 Perror("ioctl (SIOCDIFADDR)"); 859 } 860 } 861 if (newaddr) { 862 if (afp->af_addreq == NULL || afp->af_aifaddr == 0) { 863 warnx("interface %s cannot change %s addresses!", 864 name, afp->af_name); 865 newaddr = 0; 866 } 867 } 868 if (newaddr && (setaddr || setmask)) { 869 strlcpy(((struct ifreq *)afp->af_addreq)->ifr_name, name, 870 sizeof ifr.ifr_name); 871 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 872 Perror("ioctl (SIOCAIFADDR)"); 873 } 874 875 close(s); 876 return(0); 877 } 878 879 /*ARGSUSED*/ 880 static void 881 setifaddr(const char *addr, int param, int s, const struct afswtch *afp) 882 { 883 if (afp->af_getaddr == NULL) 884 return; 885 /* 886 * Delay the ioctl to set the interface addr until flags are all set. 887 * The address interpretation may depend on the flags, 888 * and the flags may change when the address is set. 889 */ 890 setaddr++; 891 if (doalias == 0 && afp->af_af != AF_LINK) 892 clearaddr = 1; 893 afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR)); 894 } 895 896 static void 897 settunnel(const char *src, const char *dst, int s, const struct afswtch *afp) 898 { 899 struct addrinfo *srcres, *dstres; 900 int ecode; 901 902 if (afp->af_settunnel == NULL) { 903 warn("address family %s does not support tunnel setup", 904 afp->af_name); 905 return; 906 } 907 908 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 909 errx(1, "error in parsing address string: %s", 910 gai_strerror(ecode)); 911 912 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 913 errx(1, "error in parsing address string: %s", 914 gai_strerror(ecode)); 915 916 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 917 errx(1, 918 "source and destination address families do not match"); 919 920 afp->af_settunnel(s, srcres, dstres); 921 922 freeaddrinfo(srcres); 923 freeaddrinfo(dstres); 924 } 925 926 /* ARGSUSED */ 927 static void 928 deletetunnel(const char *vname, int param, int s, const struct afswtch *afp) 929 { 930 931 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 932 err(1, "SIOCDIFPHYADDR"); 933 } 934 935 #ifdef JAIL 936 static void 937 setifvnet(const char *jname, int dummy __unused, int s, 938 const struct afswtch *afp) 939 { 940 struct ifreq my_ifr; 941 942 memcpy(&my_ifr, &ifr, sizeof(my_ifr)); 943 my_ifr.ifr_jid = jail_getid(jname); 944 if (my_ifr.ifr_jid < 0) 945 errx(1, "%s", jail_errmsg); 946 if (ioctl(s, SIOCSIFVNET, &my_ifr) < 0) 947 err(1, "SIOCSIFVNET"); 948 } 949 950 static void 951 setifrvnet(const char *jname, int dummy __unused, int s, 952 const struct afswtch *afp) 953 { 954 struct ifreq my_ifr; 955 956 memcpy(&my_ifr, &ifr, sizeof(my_ifr)); 957 my_ifr.ifr_jid = jail_getid(jname); 958 if (my_ifr.ifr_jid < 0) 959 errx(1, "%s", jail_errmsg); 960 if (ioctl(s, SIOCSIFRVNET, &my_ifr) < 0) 961 err(1, "SIOCSIFRVNET(%d, %s)", my_ifr.ifr_jid, my_ifr.ifr_name); 962 } 963 #endif 964 965 static void 966 setifnetmask(const char *addr, int dummy __unused, int s, 967 const struct afswtch *afp) 968 { 969 if (afp->af_getaddr != NULL) { 970 setmask++; 971 afp->af_getaddr(addr, MASK); 972 } 973 } 974 975 static void 976 setifbroadaddr(const char *addr, int dummy __unused, int s, 977 const struct afswtch *afp) 978 { 979 if (afp->af_getaddr != NULL) 980 afp->af_getaddr(addr, DSTADDR); 981 } 982 983 static void 984 notealias(const char *addr, int param, int s, const struct afswtch *afp) 985 { 986 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 987 if (setaddr && doalias == 0 && param < 0) 988 if (afp->af_addreq != NULL && afp->af_ridreq != NULL) 989 bcopy((caddr_t)rqtosa(af_addreq), 990 (caddr_t)rqtosa(af_ridreq), 991 rqtosa(af_addreq)->sa_len); 992 doalias = param; 993 if (param < 0) { 994 clearaddr = 1; 995 newaddr = 0; 996 } else 997 clearaddr = 0; 998 #undef rqtosa 999 } 1000 1001 /*ARGSUSED*/ 1002 static void 1003 setifdstaddr(const char *addr, int param __unused, int s, 1004 const struct afswtch *afp) 1005 { 1006 if (afp->af_getaddr != NULL) 1007 afp->af_getaddr(addr, DSTADDR); 1008 } 1009 1010 /* 1011 * Note: doing an SIOCIGIFFLAGS scribbles on the union portion 1012 * of the ifreq structure, which may confuse other parts of ifconfig. 1013 * Make a private copy so we can avoid that. 1014 */ 1015 static void 1016 setifflags(const char *vname, int value, int s, const struct afswtch *afp) 1017 { 1018 struct ifreq my_ifr; 1019 int flags; 1020 1021 memset(&my_ifr, 0, sizeof(my_ifr)); 1022 (void) strlcpy(my_ifr.ifr_name, name, sizeof(my_ifr.ifr_name)); 1023 1024 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) { 1025 Perror("ioctl (SIOCGIFFLAGS)"); 1026 exit(1); 1027 } 1028 flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16); 1029 1030 if (value < 0) { 1031 value = -value; 1032 flags &= ~value; 1033 } else 1034 flags |= value; 1035 my_ifr.ifr_flags = flags & 0xffff; 1036 my_ifr.ifr_flagshigh = flags >> 16; 1037 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) 1038 Perror(vname); 1039 } 1040 1041 void 1042 setifcap(const char *vname, int value, int s, const struct afswtch *afp) 1043 { 1044 int flags; 1045 1046 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) { 1047 Perror("ioctl (SIOCGIFCAP)"); 1048 exit(1); 1049 } 1050 flags = ifr.ifr_curcap; 1051 if (value < 0) { 1052 value = -value; 1053 flags &= ~value; 1054 } else 1055 flags |= value; 1056 flags &= ifr.ifr_reqcap; 1057 ifr.ifr_reqcap = flags; 1058 if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0) 1059 Perror(vname); 1060 } 1061 1062 static void 1063 setifmetric(const char *val, int dummy __unused, int s, 1064 const struct afswtch *afp) 1065 { 1066 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1067 ifr.ifr_metric = atoi(val); 1068 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1069 err(1, "ioctl SIOCSIFMETRIC (set metric)"); 1070 } 1071 1072 static void 1073 setifmtu(const char *val, int dummy __unused, int s, 1074 const struct afswtch *afp) 1075 { 1076 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1077 ifr.ifr_mtu = atoi(val); 1078 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1079 err(1, "ioctl SIOCSIFMTU (set mtu)"); 1080 } 1081 1082 static void 1083 setifpcp(const char *val, int arg __unused, int s, const struct afswtch *afp) 1084 { 1085 u_long ul; 1086 char *endp; 1087 1088 ul = strtoul(val, &endp, 0); 1089 if (*endp != '\0') 1090 errx(1, "invalid value for pcp"); 1091 if (ul > 7) 1092 errx(1, "value for pcp out of range"); 1093 ifr.ifr_lan_pcp = ul; 1094 if (ioctl(s, SIOCSLANPCP, (caddr_t)&ifr) == -1) 1095 err(1, "SIOCSLANPCP"); 1096 } 1097 1098 static void 1099 disableifpcp(const char *val, int arg __unused, int s, 1100 const struct afswtch *afp) 1101 { 1102 1103 ifr.ifr_lan_pcp = IFNET_PCP_NONE; 1104 if (ioctl(s, SIOCSLANPCP, (caddr_t)&ifr) == -1) 1105 err(1, "SIOCSLANPCP"); 1106 } 1107 1108 static void 1109 setifname(const char *val, int dummy __unused, int s, 1110 const struct afswtch *afp) 1111 { 1112 char *newname; 1113 1114 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1115 1116 newname = strdup(val); 1117 if (newname == NULL) 1118 err(1, "no memory to set ifname"); 1119 ifr.ifr_data = newname; 1120 if (ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) { 1121 free(newname); 1122 err(1, "ioctl SIOCSIFNAME (set name)"); 1123 } 1124 printifname = 1; 1125 strlcpy(name, newname, sizeof(name)); 1126 free(newname); 1127 } 1128 1129 /* ARGSUSED */ 1130 static void 1131 setifdescr(const char *val, int dummy __unused, int s, 1132 const struct afswtch *afp) 1133 { 1134 char *newdescr; 1135 1136 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1137 1138 ifr.ifr_buffer.length = strlen(val) + 1; 1139 if (ifr.ifr_buffer.length == 1) { 1140 ifr.ifr_buffer.buffer = newdescr = NULL; 1141 ifr.ifr_buffer.length = 0; 1142 } else { 1143 newdescr = strdup(val); 1144 ifr.ifr_buffer.buffer = newdescr; 1145 if (newdescr == NULL) { 1146 warn("no memory to set ifdescr"); 1147 return; 1148 } 1149 } 1150 1151 if (ioctl(s, SIOCSIFDESCR, (caddr_t)&ifr) < 0) 1152 err(1, "ioctl SIOCSIFDESCR (set descr)"); 1153 1154 free(newdescr); 1155 } 1156 1157 /* ARGSUSED */ 1158 static void 1159 unsetifdescr(const char *val, int value, int s, const struct afswtch *afp) 1160 { 1161 1162 setifdescr("", 0, s, 0); 1163 } 1164 1165 #define IFFBITS \ 1166 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\7RUNNING" \ 1167 "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \ 1168 "\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP" 1169 1170 #define IFCAPBITS \ 1171 "\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \ 1172 "\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO\14WOL_UCAST\15WOL_MCAST\16WOL_MAGIC" \ 1173 "\17TOE4\20TOE6\21VLAN_HWFILTER\23VLAN_HWTSO\24LINKSTATE\25NETMAP" \ 1174 "\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP" 1175 1176 /* 1177 * Print the status of the interface. If an address family was 1178 * specified, show only it; otherwise, show them all. 1179 */ 1180 static void 1181 status(const struct afswtch *afp, const struct sockaddr_dl *sdl, 1182 struct ifaddrs *ifa) 1183 { 1184 struct ifaddrs *ift; 1185 int allfamilies, s; 1186 struct ifstat ifs; 1187 1188 if (afp == NULL) { 1189 allfamilies = 1; 1190 ifr.ifr_addr.sa_family = AF_LOCAL; 1191 } else { 1192 allfamilies = 0; 1193 ifr.ifr_addr.sa_family = 1194 afp->af_af == AF_LINK ? AF_LOCAL : afp->af_af; 1195 } 1196 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1197 1198 s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0); 1199 if (s < 0) 1200 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 1201 1202 printf("%s: ", name); 1203 printb("flags", ifa->ifa_flags, IFFBITS); 1204 if (ioctl(s, SIOCGIFMETRIC, &ifr) != -1) 1205 printf(" metric %d", ifr.ifr_metric); 1206 if (ioctl(s, SIOCGIFMTU, &ifr) != -1) 1207 printf(" mtu %d", ifr.ifr_mtu); 1208 putchar('\n'); 1209 1210 for (;;) { 1211 if ((descr = reallocf(descr, descrlen)) != NULL) { 1212 ifr.ifr_buffer.buffer = descr; 1213 ifr.ifr_buffer.length = descrlen; 1214 if (ioctl(s, SIOCGIFDESCR, &ifr) == 0) { 1215 if (ifr.ifr_buffer.buffer == descr) { 1216 if (strlen(descr) > 0) 1217 printf("\tdescription: %s\n", 1218 descr); 1219 } else if (ifr.ifr_buffer.length > descrlen) { 1220 descrlen = ifr.ifr_buffer.length; 1221 continue; 1222 } 1223 } 1224 } else 1225 warn("unable to allocate memory for interface" 1226 "description"); 1227 break; 1228 } 1229 1230 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) { 1231 if (ifr.ifr_curcap != 0) { 1232 printb("\toptions", ifr.ifr_curcap, IFCAPBITS); 1233 putchar('\n'); 1234 } 1235 if (supmedia && ifr.ifr_reqcap != 0) { 1236 printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS); 1237 putchar('\n'); 1238 } 1239 } 1240 1241 tunnel_status(s); 1242 1243 for (ift = ifa; ift != NULL; ift = ift->ifa_next) { 1244 if (ift->ifa_addr == NULL) 1245 continue; 1246 if (strcmp(ifa->ifa_name, ift->ifa_name) != 0) 1247 continue; 1248 if (allfamilies) { 1249 const struct afswtch *p; 1250 p = af_getbyfamily(ift->ifa_addr->sa_family); 1251 if (p != NULL && p->af_status != NULL) 1252 p->af_status(s, ift); 1253 } else if (afp->af_af == ift->ifa_addr->sa_family) 1254 afp->af_status(s, ift); 1255 } 1256 #if 0 1257 if (allfamilies || afp->af_af == AF_LINK) { 1258 const struct afswtch *lafp; 1259 1260 /* 1261 * Hack; the link level address is received separately 1262 * from the routing information so any address is not 1263 * handled above. Cobble together an entry and invoke 1264 * the status method specially. 1265 */ 1266 lafp = af_getbyname("lladdr"); 1267 if (lafp != NULL) { 1268 info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl; 1269 lafp->af_status(s, &info); 1270 } 1271 } 1272 #endif 1273 if (allfamilies) 1274 af_other_status(s); 1275 else if (afp->af_other_status != NULL) 1276 afp->af_other_status(s); 1277 1278 strlcpy(ifs.ifs_name, name, sizeof ifs.ifs_name); 1279 if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0) 1280 printf("%s", ifs.ascii); 1281 1282 if (verbose > 0) 1283 sfp_status(s, &ifr, verbose); 1284 1285 close(s); 1286 return; 1287 } 1288 1289 static void 1290 tunnel_status(int s) 1291 { 1292 af_all_tunnel_status(s); 1293 } 1294 1295 void 1296 Perror(const char *cmd) 1297 { 1298 switch (errno) { 1299 1300 case ENXIO: 1301 errx(1, "%s: no such interface", cmd); 1302 break; 1303 1304 case EPERM: 1305 errx(1, "%s: permission denied", cmd); 1306 break; 1307 1308 default: 1309 err(1, "%s", cmd); 1310 } 1311 } 1312 1313 /* 1314 * Print a value a la the %b format of the kernel's printf 1315 */ 1316 void 1317 printb(const char *s, unsigned v, const char *bits) 1318 { 1319 int i, any = 0; 1320 char c; 1321 1322 if (bits && *bits == 8) 1323 printf("%s=%o", s, v); 1324 else 1325 printf("%s=%x", s, v); 1326 if (bits) { 1327 bits++; 1328 putchar('<'); 1329 while ((i = *bits++) != '\0') { 1330 if (v & (1 << (i-1))) { 1331 if (any) 1332 putchar(','); 1333 any = 1; 1334 for (; (c = *bits) > 32; bits++) 1335 putchar(c); 1336 } else 1337 for (; *bits > 32; bits++) 1338 ; 1339 } 1340 putchar('>'); 1341 } 1342 } 1343 1344 void 1345 print_vhid(const struct ifaddrs *ifa, const char *s) 1346 { 1347 struct if_data *ifd; 1348 1349 if (ifa->ifa_data == NULL) 1350 return; 1351 1352 ifd = ifa->ifa_data; 1353 if (ifd->ifi_vhid == 0) 1354 return; 1355 1356 printf("vhid %d ", ifd->ifi_vhid); 1357 } 1358 1359 void 1360 ifmaybeload(const char *name) 1361 { 1362 #define MOD_PREFIX_LEN 3 /* "if_" */ 1363 struct module_stat mstat; 1364 int fileid, modid; 1365 char ifkind[IFNAMSIZ + MOD_PREFIX_LEN], ifname[IFNAMSIZ], *dp; 1366 const char *cp; 1367 1368 /* loading suppressed by the user */ 1369 if (noload) 1370 return; 1371 1372 /* trim the interface number off the end */ 1373 strlcpy(ifname, name, sizeof(ifname)); 1374 for (dp = ifname; *dp != 0; dp++) 1375 if (isdigit(*dp)) { 1376 *dp = 0; 1377 break; 1378 } 1379 1380 /* turn interface and unit into module name */ 1381 strlcpy(ifkind, "if_", sizeof(ifkind)); 1382 strlcat(ifkind, ifname, sizeof(ifkind)); 1383 1384 /* scan files in kernel */ 1385 mstat.version = sizeof(struct module_stat); 1386 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) { 1387 /* scan modules in file */ 1388 for (modid = kldfirstmod(fileid); modid > 0; 1389 modid = modfnext(modid)) { 1390 if (modstat(modid, &mstat) < 0) 1391 continue; 1392 /* strip bus name if present */ 1393 if ((cp = strchr(mstat.name, '/')) != NULL) { 1394 cp++; 1395 } else { 1396 cp = mstat.name; 1397 } 1398 /* already loaded? */ 1399 if (strcmp(ifname, cp) == 0 || 1400 strcmp(ifkind, cp) == 0) 1401 return; 1402 } 1403 } 1404 1405 /* 1406 * Try to load the module. But ignore failures, because ifconfig can't 1407 * infer the names of all drivers (eg mlx4en(4)). 1408 */ 1409 (void) kldload(ifkind); 1410 } 1411 1412 static struct cmd basic_cmds[] = { 1413 DEF_CMD("up", IFF_UP, setifflags), 1414 DEF_CMD("down", -IFF_UP, setifflags), 1415 DEF_CMD("arp", -IFF_NOARP, setifflags), 1416 DEF_CMD("-arp", IFF_NOARP, setifflags), 1417 DEF_CMD("debug", IFF_DEBUG, setifflags), 1418 DEF_CMD("-debug", -IFF_DEBUG, setifflags), 1419 DEF_CMD_ARG("description", setifdescr), 1420 DEF_CMD_ARG("descr", setifdescr), 1421 DEF_CMD("-description", 0, unsetifdescr), 1422 DEF_CMD("-descr", 0, unsetifdescr), 1423 DEF_CMD("promisc", IFF_PPROMISC, setifflags), 1424 DEF_CMD("-promisc", -IFF_PPROMISC, setifflags), 1425 DEF_CMD("add", IFF_UP, notealias), 1426 DEF_CMD("alias", IFF_UP, notealias), 1427 DEF_CMD("-alias", -IFF_UP, notealias), 1428 DEF_CMD("delete", -IFF_UP, notealias), 1429 DEF_CMD("remove", -IFF_UP, notealias), 1430 #ifdef notdef 1431 #define EN_SWABIPS 0x1000 1432 DEF_CMD("swabips", EN_SWABIPS, setifflags), 1433 DEF_CMD("-swabips", -EN_SWABIPS, setifflags), 1434 #endif 1435 DEF_CMD_ARG("netmask", setifnetmask), 1436 DEF_CMD_ARG("metric", setifmetric), 1437 DEF_CMD_ARG("broadcast", setifbroadaddr), 1438 DEF_CMD_ARG2("tunnel", settunnel), 1439 DEF_CMD("-tunnel", 0, deletetunnel), 1440 DEF_CMD("deletetunnel", 0, deletetunnel), 1441 #ifdef JAIL 1442 DEF_CMD_ARG("vnet", setifvnet), 1443 DEF_CMD_ARG("-vnet", setifrvnet), 1444 #endif 1445 DEF_CMD("link0", IFF_LINK0, setifflags), 1446 DEF_CMD("-link0", -IFF_LINK0, setifflags), 1447 DEF_CMD("link1", IFF_LINK1, setifflags), 1448 DEF_CMD("-link1", -IFF_LINK1, setifflags), 1449 DEF_CMD("link2", IFF_LINK2, setifflags), 1450 DEF_CMD("-link2", -IFF_LINK2, setifflags), 1451 DEF_CMD("monitor", IFF_MONITOR, setifflags), 1452 DEF_CMD("-monitor", -IFF_MONITOR, setifflags), 1453 DEF_CMD("staticarp", IFF_STATICARP, setifflags), 1454 DEF_CMD("-staticarp", -IFF_STATICARP, setifflags), 1455 DEF_CMD("rxcsum6", IFCAP_RXCSUM_IPV6, setifcap), 1456 DEF_CMD("-rxcsum6", -IFCAP_RXCSUM_IPV6, setifcap), 1457 DEF_CMD("txcsum6", IFCAP_TXCSUM_IPV6, setifcap), 1458 DEF_CMD("-txcsum6", -IFCAP_TXCSUM_IPV6, setifcap), 1459 DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap), 1460 DEF_CMD("-rxcsum", -IFCAP_RXCSUM, setifcap), 1461 DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap), 1462 DEF_CMD("-txcsum", -IFCAP_TXCSUM, setifcap), 1463 DEF_CMD("netcons", IFCAP_NETCONS, setifcap), 1464 DEF_CMD("-netcons", -IFCAP_NETCONS, setifcap), 1465 DEF_CMD_ARG("pcp", setifpcp), 1466 DEF_CMD("-pcp", 0, disableifpcp), 1467 DEF_CMD("polling", IFCAP_POLLING, setifcap), 1468 DEF_CMD("-polling", -IFCAP_POLLING, setifcap), 1469 DEF_CMD("tso6", IFCAP_TSO6, setifcap), 1470 DEF_CMD("-tso6", -IFCAP_TSO6, setifcap), 1471 DEF_CMD("tso4", IFCAP_TSO4, setifcap), 1472 DEF_CMD("-tso4", -IFCAP_TSO4, setifcap), 1473 DEF_CMD("tso", IFCAP_TSO, setifcap), 1474 DEF_CMD("-tso", -IFCAP_TSO, setifcap), 1475 DEF_CMD("toe", IFCAP_TOE, setifcap), 1476 DEF_CMD("-toe", -IFCAP_TOE, setifcap), 1477 DEF_CMD("lro", IFCAP_LRO, setifcap), 1478 DEF_CMD("-lro", -IFCAP_LRO, setifcap), 1479 DEF_CMD("wol", IFCAP_WOL, setifcap), 1480 DEF_CMD("-wol", -IFCAP_WOL, setifcap), 1481 DEF_CMD("wol_ucast", IFCAP_WOL_UCAST, setifcap), 1482 DEF_CMD("-wol_ucast", -IFCAP_WOL_UCAST, setifcap), 1483 DEF_CMD("wol_mcast", IFCAP_WOL_MCAST, setifcap), 1484 DEF_CMD("-wol_mcast", -IFCAP_WOL_MCAST, setifcap), 1485 DEF_CMD("wol_magic", IFCAP_WOL_MAGIC, setifcap), 1486 DEF_CMD("-wol_magic", -IFCAP_WOL_MAGIC, setifcap), 1487 DEF_CMD("txrtlmt", IFCAP_TXRTLMT, setifcap), 1488 DEF_CMD("-txrtlmt", -IFCAP_TXRTLMT, setifcap), 1489 DEF_CMD("hwrxtsmp", IFCAP_HWRXTSTMP, setifcap), 1490 DEF_CMD("-hwrxtsmp", -IFCAP_HWRXTSTMP, setifcap), 1491 DEF_CMD("normal", -IFF_LINK0, setifflags), 1492 DEF_CMD("compress", IFF_LINK0, setifflags), 1493 DEF_CMD("noicmp", IFF_LINK1, setifflags), 1494 DEF_CMD_ARG("mtu", setifmtu), 1495 DEF_CMD_ARG("name", setifname), 1496 }; 1497 1498 static __constructor void 1499 ifconfig_ctor(void) 1500 { 1501 size_t i; 1502 1503 for (i = 0; i < nitems(basic_cmds); i++) 1504 cmd_register(&basic_cmds[i]); 1505 } 1506