2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
33 static const char copyright[] =
34 "@(#) Copyright (c) 1983, 1993\n\
35 The Regents of the University of California. All rights reserved.\n";
37 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
39 static const char rcsid[] =
43 #include <sys/param.h>
44 #include <sys/ioctl.h>
48 #include <sys/module.h>
49 #include <sys/linker.h>
51 #include <sys/queue.h>
52 #include <sys/socket.h>
55 #include <net/ethernet.h>
57 #include <net/if_dl.h>
58 #include <net/if_strings.h>
59 #include <net/if_types.h>
60 #include <net/route.h>
63 #include <netinet/in.h>
64 #include <netinet/in_var.h>
65 #include <arpa/inet.h>
83 #include <libifconfig.h>
87 ifconfig_handle_t *lifh;
89 #ifdef WITHOUT_NETLINK
90 static char *descr = NULL;
91 static size_t descrlen = 64;
97 static int newaddr = 1;
101 static char ifname_to_print[IFNAMSIZ]; /* Helper for printifnamemaybe() */
103 /* Formatter Strings */
104 char *f_inet, *f_inet6, *f_ether, *f_addr;
106 #ifdef WITHOUT_NETLINK
107 static void list_interfaces_ioctl(if_ctx *ctx);
108 static void status(if_ctx *ctx, const struct sockaddr_dl *sdl,
109 struct ifaddrs *ifa);
111 static _Noreturn void usage(void);
112 static void Perrorc(const char *cmd, int error);
114 static int getifflags(const char *ifname, int us, bool err_ok);
116 static struct afswtch *af_getbyname(const char *name);
118 static struct option *opts = NULL;
120 struct ifa_order_elt {
124 TAILQ_ENTRY(ifa_order_elt) link;
127 TAILQ_HEAD(ifa_queue, ifa_order_elt);
129 static struct module_map_entry {
135 .kldname = "if_tuntap",
139 .kldname = "if_tuntap",
143 .kldname = "if_tuntap",
151 * This mapping exists because there is a conflicting enc module
152 * in CAM. ifconfig's guessing behavior will attempt to match
153 * the ifname to a module as well as if_${ifname} and clash with
154 * CAM enc. This is an assertion of the correct module to load.
163 opt_register(struct option *p)
175 /* XXX not right but close enough for now */
177 for (p = opts; p != NULL; p = p->next) {
178 strlcat(options, p->opt_usage, sizeof(options));
179 strlcat(options, " ", sizeof(options));
183 "usage: ifconfig [-j jail] [-f type:format] %sinterface address_family\n"
184 " [address [dest_address]] [parameters]\n"
185 " ifconfig [-j jail] interface create\n"
186 " ifconfig [-j jail] -a %s[-d] [-m] [-u] [-v] [address_family]\n"
187 " ifconfig [-j jail] -l [-d] [-u] [address_family]\n"
188 " ifconfig [-j jail] %s[-d] [-m] [-u] [-v]\n",
189 options, options, options);
194 ifname_update(if_ctx *ctx, const char *name)
196 strlcpy(ctx->_ifname_storage_ioctl, name, sizeof(ctx->_ifname_storage_ioctl));
197 ctx->ifname = ctx->_ifname_storage_ioctl;
199 strlcpy(ifname_to_print, name, sizeof(ifname_to_print));
203 ifr_set_name(struct ifreq *ifr, const char *name)
205 strlcpy(ifr->ifr_name, name, sizeof(ifr->ifr_name));
209 ioctl_ctx_ifr(if_ctx *ctx, unsigned long cmd, struct ifreq *ifr)
211 ifr_set_name(ifr, ctx->ifname);
212 return (ioctl_ctx(ctx, cmd, ifr));
216 ifcreate_ioctl(if_ctx *ctx, struct ifreq *ifr)
218 char ifname_orig[IFNAMSIZ];
220 strlcpy(ifname_orig, ifr->ifr_name, sizeof(ifname_orig));
222 if (ioctl(ctx->io_s, SIOCIFCREATE2, ifr) < 0) {
225 errx(1, "interface %s already exists", ifr->ifr_name);
227 err(1, "SIOCIFCREATE2 (%s)", ifr->ifr_name);
231 if (strncmp(ifname_orig, ifr->ifr_name, sizeof(ifname_orig)) != 0)
232 ifname_update(ctx, ifr->ifr_name);
235 #ifdef WITHOUT_NETLINK
237 calcorders(struct ifaddrs *ifa, struct ifa_queue *q)
239 struct ifaddrs *prev;
240 struct ifa_order_elt *cur;
241 unsigned int ord, af, ifa_ord;
248 while (ifa != NULL) {
250 strcmp(ifa->ifa_name, prev->ifa_name) != 0) {
251 cur = calloc(1, sizeof(*cur));
256 TAILQ_INSERT_TAIL(q, cur, link);
257 cur->if_order = ifa_ord ++;
263 af = ifa->ifa_addr->sa_family;
265 if (af < nitems(cur->af_orders) &&
266 cur->af_orders[af] == 0)
267 cur->af_orders[af] = ++ord;
277 cmpifaddrs(struct ifaddrs *a, struct ifaddrs *b, struct ifa_queue *q)
279 struct ifa_order_elt *cur, *e1, *e2;
280 unsigned int af1, af2;
285 ret = strcmp(a->ifa_name, b->ifa_name);
287 TAILQ_FOREACH(cur, q, link) {
291 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0)
293 else if (strcmp(cur->ifa->ifa_name, b->ifa_name) == 0)
300 return (e1->if_order - e2->if_order);
302 } else if (a->ifa_addr != NULL && b->ifa_addr != NULL) {
303 TAILQ_FOREACH(cur, q, link) {
304 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) {
313 af1 = a->ifa_addr->sa_family;
314 af2 = b->ifa_addr->sa_family;
316 if (af1 < nitems(e1->af_orders) && af2 < nitems(e1->af_orders))
317 return (e1->af_orders[af1] - e1->af_orders[af2]);
324 static void freeformat(void)
337 static void setformat(char *input)
339 char *formatstr, *category, *modifier;
341 formatstr = strdup(input);
342 while ((category = strsep(&formatstr, ",")) != NULL) {
343 modifier = strchr(category, ':');
344 if (modifier == NULL || modifier[1] == '\0') {
345 warnx("Skipping invalid format specification: %s\n",
350 /* Split the string on the separator, then seek past it */
354 if (strcmp(category, "addr") == 0)
355 f_addr = strdup(modifier);
356 else if (strcmp(category, "ether") == 0)
357 f_ether = strdup(modifier);
358 else if (strcmp(category, "inet") == 0)
359 f_inet = strdup(modifier);
360 else if (strcmp(category, "inet6") == 0)
361 f_inet6 = strdup(modifier);
366 #ifdef WITHOUT_NETLINK
367 static struct ifaddrs *
368 sortifaddrs(struct ifaddrs *list,
369 int (*compare)(struct ifaddrs *, struct ifaddrs *, struct ifa_queue *),
372 struct ifaddrs *right, *temp, *last, *result, *next, *tail;
381 if (!list || !list->ifa_next)
384 while (temp && temp->ifa_next) {
386 right = right->ifa_next;
387 temp = temp->ifa_next->ifa_next;
390 last->ifa_next = NULL;
392 list = sortifaddrs(list, compare, q);
393 right = sortifaddrs(right, compare, q);
395 while (list || right) {
399 list = list->ifa_next;
402 right = right->ifa_next;
403 } else if (compare(list, right, q) <= 0) {
405 list = list->ifa_next;
408 right = right->ifa_next;
414 tail->ifa_next = next;
424 printifnamemaybe(void)
426 if (ifname_to_print[0] != '\0')
427 printf("%s\n", ifname_to_print);
431 list_interfaces(if_ctx *ctx)
433 #ifdef WITHOUT_NETLINK
434 list_interfaces_ioctl(ctx);
436 list_interfaces_nl(ctx->args);
441 args_peek(struct ifconfig_args *args)
444 return (args->argv[0]);
449 args_pop(struct ifconfig_args *args)
454 char *arg = args->argv[0];
463 args_parse(struct ifconfig_args *args, int argc, char *argv[])
469 /* Parse leading line options */
470 strlcpy(options, "G:adf:j:klmnuv", sizeof(options));
471 for (p = opts; p != NULL; p = p->next)
472 strlcat(options, p->opt, sizeof(options));
473 while ((c = getopt(argc, argv, options)) != -1) {
475 case 'a': /* scan all interfaces */
478 case 'd': /* restrict scan to "down" interfaces */
479 args->downonly = true;
487 if (optarg == NULL || args->all == 0)
489 args->nogroup = optarg;
495 args->jail_name = optarg;
497 Perror("not built with jail support");
501 args->printkeys = true;
503 case 'l': /* scan interface names only */
504 args->namesonly = true;
506 case 'm': /* show media choices in status */
507 args->supmedia = true;
509 case 'n': /* suppress module loading */
512 case 'u': /* restrict scan to "up" interfaces */
522 args->matchgroup = optarg;
527 for (p = opts; p != NULL; p = p->next)
528 if (p->opt[0] == c) {
540 /* -l cannot be used with -a or -m */
541 if (args->namesonly && (args->all || args->supmedia))
545 if (args->uponly && args->downonly)
548 /* no arguments is equivalent to '-a' */
549 if (!args->namesonly && argc < 1)
552 /* -a and -l allow an address family arg to limit the output */
553 if (args->all || args->namesonly) {
558 const struct afswtch *afp = af_getbyname(*argv);
561 warnx("Address family '%s' unknown.", *argv);
564 if (afp->af_name != NULL)
566 /* leave with afp non-zero */
570 /* not listing, need an argument */
580 ifconfig(if_ctx *ctx, int iscreate, const struct afswtch *uafp)
582 #ifdef WITHOUT_NETLINK
583 return (ifconfig_ioctl(ctx, iscreate, uafp));
585 return (ifconfig_nl(ctx, iscreate, uafp));
590 isargcreate(const char *arg)
595 if (strcmp(arg, "create") == 0 || strcmp(arg, "plumb") == 0)
602 isnametoolong(const char *ifname)
604 return (strlen(ifname) >= IFNAMSIZ);
608 main(int ac, char *av[])
615 struct ifconfig_args _args = {};
616 struct ifconfig_args *args = &_args;
618 struct ifconfig_context ctx = {
623 f_inet = f_inet6 = f_ether = f_addr = NULL;
625 lifh = ifconfig_open();
627 err(EXIT_FAILURE, "ifconfig_open");
629 envformat = getenv("IFCONFIG_FORMAT");
630 if (envformat != NULL)
631 setformat(envformat);
634 * Ensure we print interface name when expected to,
635 * even if we terminate early due to error.
637 atexit(printifnamemaybe);
639 args_parse(args, ac, av);
642 if (args->jail_name) {
643 jid = jail_getid(args->jail_name);
645 Perror("jail not found");
646 if (jail_attach(jid) != 0)
647 Perror("cannot attach to jail");
651 if (!args->all && !args->namesonly) {
652 /* not listing, need an argument */
653 args->ifname = args_pop(args);
654 ctx.ifname = args->ifname;
656 /* check and maybe load support for this interface */
657 ifmaybeload(args, args->ifname);
659 char *arg = args_peek(args);
660 if (if_nametoindex(args->ifname) == 0) {
662 * NOTE: We must special-case the `create' command
663 * right here as we would otherwise fail when trying
664 * to find the interface.
666 if (isargcreate(arg)) {
667 if (isnametoolong(args->ifname))
668 errx(1, "%s: cloning name too long",
670 ifconfig(&ctx, 1, NULL);
675 * NOTE: We have to special-case the `-vnet' command
676 * right here as we would otherwise fail when trying
677 * to find the interface as it lives in another vnet.
679 if (arg != NULL && (strcmp(arg, "-vnet") == 0)) {
680 if (isnametoolong(args->ifname))
681 errx(1, "%s: interface name too long",
683 ifconfig(&ctx, 0, NULL);
687 errx(1, "interface %s does not exist", args->ifname);
690 * Do not allow use `create` command as hostname if
691 * address family is not specified.
693 if (isargcreate(arg)) {
695 errx(1, "interface %s already exists",
702 /* Check for address family */
703 if (args->argc > 0) {
704 args->afp = af_getbyname(args_peek(args));
705 if (args->afp != NULL)
710 * Check for a requested configuration action on a single interface,
711 * which doesn't require building, sorting, and searching the entire
712 * system address list
714 if ((args->argc > 0) && (args->ifname != NULL)) {
715 if (isnametoolong(args->ifname))
716 warnx("%s: interface name too long, skipping", args->ifname);
718 flags = getifflags(args->ifname, -1, false);
719 if (!(((flags & IFF_CANTCONFIG) != 0) ||
720 (args->downonly && (flags & IFF_UP) != 0) ||
721 (args->uponly && (flags & IFF_UP) == 0)))
722 ifconfig(&ctx, 0, args->afp);
727 args->allfamilies = args->afp == NULL;
729 list_interfaces(&ctx);
733 ifconfig_close(lifh);
738 match_ether(const struct sockaddr_dl *sdl)
740 switch (sdl->sdl_type) {
744 if (sdl->sdl_alen == ETHER_ADDR_LEN)
752 match_if_flags(struct ifconfig_args *args, int if_flags)
754 if ((if_flags & IFF_CANTCONFIG) != 0)
756 if (args->downonly && (if_flags & IFF_UP) != 0)
758 if (args->uponly && (if_flags & IFF_UP) == 0)
763 #ifdef WITHOUT_NETLINK
765 match_afp(const struct afswtch *afp, int sa_family, const struct sockaddr_dl *sdl)
769 /* special case for "ether" address family */
770 if (!strcmp(afp->af_name, "ether")) {
771 if (sdl == NULL && !match_ether(sdl))
775 return (afp->af_af == sa_family);
779 list_interfaces_ioctl(if_ctx *ctx)
781 struct ifa_queue q = TAILQ_HEAD_INITIALIZER(q);
782 struct ifaddrs *ifap, *sifap, *ifa;
783 struct ifa_order_elt *cur, *tmp;
786 struct ifconfig_args *args = ctx->args;
788 if (getifaddrs(&ifap) != 0)
789 err(EXIT_FAILURE, "getifaddrs");
793 if (calcorders(ifap, &q) != 0)
794 err(EXIT_FAILURE, "calcorders");
796 sifap = sortifaddrs(ifap, cmpifaddrs, &q);
798 TAILQ_FOREACH_SAFE(cur, &q, link, tmp)
802 for (ifa = sifap; ifa; ifa = ifa->ifa_next) {
803 struct ifreq paifr = {};
804 const struct sockaddr_dl *sdl;
806 strlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name));
807 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
808 memcpy(&paifr.ifr_addr, ifa->ifa_addr,
809 ifa->ifa_addr->sa_len);
812 if (args->ifname != NULL && strcmp(args->ifname, ifa->ifa_name) != 0)
814 if (ifa->ifa_addr->sa_family == AF_LINK)
815 sdl = satosdl_c(ifa->ifa_addr);
818 if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0 && !args->namesonly)
820 if (isnametoolong(ifa->ifa_name)) {
821 warnx("%s: interface name too long, skipping",
827 if (!match_if_flags(args, ifa->ifa_flags))
829 if (!group_member(ifa->ifa_name, args->matchgroup, args->nogroup))
833 * Are we just listing the interfaces?
835 if (args->namesonly) {
838 if (!match_afp(args->afp, ifa->ifa_addr->sa_family, sdl))
850 ifconfig(ctx, 0, args->afp);
852 status(ctx, sdl, ifa);
861 * Returns true if an interface should be listed because any its groups
862 * matches shell pattern "match" and none of groups matches pattern "nomatch".
863 * If any pattern is NULL, corresponding condition is skipped.
866 group_member(const char *ifname, const char *match, const char *nomatch)
868 static int sock = -1;
870 struct ifgroupreq ifgr;
873 bool matched, nomatched;
876 if (match == NULL && nomatch == NULL)
881 memset(&ifgr, 0, sizeof(ifgr));
882 strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ);
884 /* The socket is opened once. Let _exit() close it. */
886 sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
888 errx(1, "%s: socket(AF_LOCAL,SOCK_DGRAM)", __func__);
891 /* Determine amount of memory for the list of groups. */
892 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
893 if (errno == EINVAL || errno == ENOTTY)
896 errx(1, "%s: SIOCGIFGROUP", __func__);
899 /* Obtain the list of groups. */
902 (struct ifg_req *)calloc(len / sizeof(*ifg), sizeof(*ifg));
904 if (ifgr.ifgr_groups == NULL)
905 errx(1, "%s: no memory", __func__);
906 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
907 errx(1, "%s: SIOCGIFGROUP", __func__);
909 /* Perform matching. */
912 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(*ifg); ifg++) {
913 len -= sizeof(struct ifg_req);
915 matched |= !fnmatch(match, ifg->ifgrq_group, 0);
917 nomatched &= fnmatch(nomatch, ifg->ifgrq_group, 0);
919 free(ifgr.ifgr_groups);
921 if (match && !nomatch)
923 if (!match && nomatch)
925 return (matched && nomatched);
928 static struct afswtch *afs = NULL;
931 af_register(struct afswtch *p)
937 static struct afswtch *
938 af_getbyname(const char *name)
942 for (afp = afs; afp != NULL; afp = afp->af_next)
943 if (strcmp(afp->af_name, name) == 0)
949 af_getbyfamily(int af)
953 for (afp = afs; afp != NULL; afp = afp->af_next)
954 if (afp->af_af == af)
960 af_other_status(if_ctx *ctx)
963 uint8_t afmask[howmany(AF_MAX, NBBY)];
965 memset(afmask, 0, sizeof(afmask));
966 for (afp = afs; afp != NULL; afp = afp->af_next) {
967 if (afp->af_other_status == NULL)
969 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af))
971 afp->af_other_status(ctx);
972 setbit(afmask, afp->af_af);
977 af_all_tunnel_status(if_ctx *ctx)
980 uint8_t afmask[howmany(AF_MAX, NBBY)];
982 memset(afmask, 0, sizeof(afmask));
983 for (afp = afs; afp != NULL; afp = afp->af_next) {
984 if (afp->af_status_tunnel == NULL)
986 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af))
988 afp->af_status_tunnel(ctx);
989 setbit(afmask, afp->af_af);
993 static struct cmd *cmds = NULL;
996 cmd_register(struct cmd *p)
1002 static const struct cmd *
1003 cmd_lookup(const char *name, int iscreate)
1005 const struct cmd *p;
1007 for (p = cmds; p != NULL; p = p->c_next)
1008 if (strcmp(name, p->c_name) == 0) {
1013 if (!p->c_iscloneop)
1021 callback_func *cb_func;
1023 struct callback *cb_next;
1025 static struct callback *callbacks = NULL;
1028 callback_register(callback_func *func, void *arg)
1030 struct callback *cb;
1032 cb = malloc(sizeof(struct callback));
1034 errx(1, "unable to allocate memory for callback");
1037 cb->cb_next = callbacks;
1041 /* specially-handled commands */
1042 static void setifaddr(if_ctx *ctx, const char *addr, int param);
1043 static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr);
1045 static void setifdstaddr(if_ctx *ctx, const char *addr, int param __unused);
1046 static const struct cmd setifdstaddr_cmd =
1047 DEF_CMD("ifdstaddr", 0, setifdstaddr);
1050 af_exec_ioctl(if_ctx *ctx, unsigned long action, void *data)
1052 struct ifreq *req = (struct ifreq *)data;
1054 strlcpy(req->ifr_name, ctx->ifname, sizeof(req->ifr_name));
1055 if (ioctl_ctx(ctx, action, req) == 0)
1061 delifaddr(if_ctx *ctx, const struct afswtch *afp)
1065 if (afp->af_exec == NULL) {
1066 warnx("interface %s cannot change %s addresses!",
1067 ctx->ifname, afp->af_name);
1072 error = afp->af_exec(ctx, afp->af_difaddr, afp->af_ridreq);
1074 if (error == EADDRNOTAVAIL && (doalias >= 0)) {
1075 /* means no previous address for interface */
1077 Perrorc("ioctl (SIOCDIFADDR)", error);
1082 addifaddr(if_ctx *ctx, const struct afswtch *afp)
1084 if (afp->af_exec == NULL) {
1085 warnx("interface %s cannot change %s addresses!",
1086 ctx->ifname, afp->af_name);
1091 if (setaddr || setmask) {
1092 int error = afp->af_exec(ctx, afp->af_aifaddr, afp->af_addreq);
1094 Perrorc("ioctl (SIOCAIFADDR)", error);
1099 ifconfig_ioctl(if_ctx *orig_ctx, int iscreate, const struct afswtch *uafp)
1101 const struct afswtch *afp, *nafp;
1102 const struct cmd *p;
1103 struct callback *cb;
1105 int argc = orig_ctx->args->argc;
1106 char *const *argv = orig_ctx->args->argv;
1107 struct ifconfig_context _ctx = {
1108 .args = orig_ctx->args,
1109 .io_ss = orig_ctx->io_ss,
1110 .ifname = orig_ctx->ifname,
1112 struct ifconfig_context *ctx = &_ctx;
1114 struct ifreq ifr = {};
1115 strlcpy(ifr.ifr_name, ctx->ifname, sizeof ifr.ifr_name);
1120 * This is the historical "accident" allowing users to configure IPv4
1121 * addresses without the "inet" keyword which while a nice feature has
1122 * proven to complicate other things. We cannot remove this but only
1123 * make sure we will never have a similar implicit default for IPv6 or
1124 * any other address familiy. We need a fallback though for
1125 * ifconfig IF up/down etc. to work without INET support as people
1126 * never used ifconfig IF link up/down, etc. either.
1130 if (afp == NULL && feature_present("inet"))
1131 afp = af_getbyname("inet");
1135 afp = af_getbyname("link");
1137 warnx("Please specify an address_family.");
1142 ifr.ifr_addr.sa_family =
1143 afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ?
1144 AF_LOCAL : afp->af_af;
1146 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0 &&
1147 (uafp != NULL || errno != EAFNOSUPPORT ||
1148 (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0))
1149 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family);
1155 p = cmd_lookup(*argv, iscreate);
1156 if (iscreate && p == NULL) {
1158 * Push the clone create callback so the new
1159 * device is created and can be used for any
1160 * remaining arguments.
1164 errx(1, "internal error, no callback");
1165 callbacks = cb->cb_next;
1166 cb->cb_func(ctx, cb->cb_arg);
1169 * Handle any address family spec that
1170 * immediately follows and potentially
1171 * recreate the socket.
1173 nafp = af_getbyname(*argv);
1183 * Look for a normal parameter.
1189 * Not a recognized command, choose between setting
1190 * the interface address and the dst address.
1192 p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd);
1194 if (p->c_parameter == NEXTARG && p->c_u.c_func) {
1195 if (argv[1] == NULL)
1196 errx(1, "'%s' requires argument",
1198 p->c_u.c_func(ctx, argv[1], 0);
1200 } else if (p->c_parameter == OPTARG && p->c_u.c_func) {
1201 p->c_u.c_func(ctx, argv[1], 0);
1202 if (argv[1] != NULL)
1204 } else if (p->c_parameter == NEXTARG2 && p->c_u.c_func2) {
1206 errx(1, "'%s' requires 2 arguments",
1208 p->c_u.c_func2(ctx, argv[1], argv[2]);
1209 argc -= 2, argv += 2;
1210 } else if (p->c_parameter == SPARAM && p->c_u.c_func3) {
1211 p->c_u.c_func3(ctx, *argv, p->c_sparameter);
1212 } else if (p->c_u.c_func)
1213 p->c_u.c_func(ctx, *argv, p->c_parameter);
1218 * Do any post argument processing required by the address family.
1220 if (afp->af_postproc != NULL)
1221 afp->af_postproc(ctx, newaddr, getifflags(ctx->ifname, s, true));
1223 * Do deferred callbacks registered while processing
1224 * command-line arguments.
1226 for (cb = callbacks; cb != NULL; cb = cb->cb_next)
1227 cb->cb_func(ctx, cb->cb_arg);
1229 * Do deferred operations.
1232 delifaddr(ctx, afp);
1234 addifaddr(ctx, afp);
1241 setifaddr(if_ctx *ctx, const char *addr, int param __unused)
1243 const struct afswtch *afp = ctx->afp;
1245 if (afp->af_getaddr == NULL)
1248 * Delay the ioctl to set the interface addr until flags are all set.
1249 * The address interpretation may depend on the flags,
1250 * and the flags may change when the address is set.
1253 if (doalias == 0 && afp->af_af != AF_LINK)
1255 afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR));
1259 settunnel(if_ctx *ctx, const char *src, const char *dst)
1261 const struct afswtch *afp = ctx->afp;
1262 struct addrinfo *srcres, *dstres;
1265 if (afp->af_settunnel == NULL) {
1266 warn("address family %s does not support tunnel setup",
1271 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0)
1272 errx(1, "error in parsing address string: %s",
1273 gai_strerror(ecode));
1275 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0)
1276 errx(1, "error in parsing address string: %s",
1277 gai_strerror(ecode));
1279 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family)
1281 "source and destination address families do not match");
1283 afp->af_settunnel(ctx, srcres, dstres);
1285 freeaddrinfo(srcres);
1286 freeaddrinfo(dstres);
1290 deletetunnel(if_ctx *ctx, const char *vname __unused, int param __unused)
1292 struct ifreq ifr = {};
1294 if (ioctl_ctx_ifr(ctx, SIOCDIFPHYADDR, &ifr) < 0)
1295 err(1, "SIOCDIFPHYADDR");
1300 setifvnet(if_ctx *ctx, const char *jname, int dummy __unused)
1302 struct ifreq ifr = {};
1304 ifr.ifr_jid = jail_getid(jname);
1305 if (ifr.ifr_jid < 0)
1306 errx(1, "%s", jail_errmsg);
1307 if (ioctl_ctx_ifr(ctx, SIOCSIFVNET, &ifr) < 0)
1308 err(1, "SIOCSIFVNET");
1312 setifrvnet(if_ctx *ctx, const char *jname, int dummy __unused)
1314 struct ifreq ifr = {};
1316 ifr.ifr_jid = jail_getid(jname);
1317 if (ifr.ifr_jid < 0)
1318 errx(1, "%s", jail_errmsg);
1319 if (ioctl_ctx_ifr(ctx, SIOCSIFRVNET, &ifr) < 0)
1320 err(1, "SIOCSIFRVNET(%d, %s)", ifr.ifr_jid, ifr.ifr_name);
1325 setifnetmask(if_ctx *ctx, const char *addr, int dummy __unused)
1327 const struct afswtch *afp = ctx->afp;
1329 if (afp->af_getaddr != NULL) {
1331 afp->af_getaddr(addr, MASK);
1336 setifbroadaddr(if_ctx *ctx, const char *addr, int dummy __unused)
1338 const struct afswtch *afp = ctx->afp;
1340 if (afp->af_getaddr != NULL)
1341 afp->af_getaddr(addr, BRDADDR);
1345 notealias(if_ctx *ctx, const char *addr __unused, int param)
1347 const struct afswtch *afp = ctx->afp;
1349 if (setaddr && doalias == 0 && param < 0) {
1350 if (afp->af_copyaddr != NULL)
1351 afp->af_copyaddr(ctx, RIDADDR, ADDR);
1362 setifdstaddr(if_ctx *ctx, const char *addr, int param __unused)
1364 const struct afswtch *afp = ctx->afp;
1366 if (afp->af_getaddr != NULL)
1367 afp->af_getaddr(addr, DSTADDR);
1371 getifflags(const char *ifname, int us, bool err_ok)
1373 struct ifreq my_ifr;
1376 memset(&my_ifr, 0, sizeof(my_ifr));
1377 (void) strlcpy(my_ifr.ifr_name, ifname, sizeof(my_ifr.ifr_name));
1379 if ((s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0)
1380 err(1, "socket(family AF_LOCAL,SOCK_DGRAM");
1383 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) {
1385 Perror("ioctl (SIOCGIFFLAGS)");
1391 return ((my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16));
1395 * Note: doing an SIOCIGIFFLAGS scribbles on the union portion
1396 * of the ifreq structure, which may confuse other parts of ifconfig.
1397 * Make a private copy so we can avoid that.
1400 clearifflags(if_ctx *ctx, const char *vname, int value)
1402 struct ifreq my_ifr;
1405 flags = getifflags(ctx->ifname, ctx->io_s, false);
1407 memset(&my_ifr, 0, sizeof(my_ifr));
1408 strlcpy(my_ifr.ifr_name, ctx->ifname, sizeof(my_ifr.ifr_name));
1409 my_ifr.ifr_flags = flags & 0xffff;
1410 my_ifr.ifr_flagshigh = flags >> 16;
1411 if (ioctl(ctx->io_s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0)
1416 setifflags(if_ctx *ctx, const char *vname, int value)
1418 struct ifreq my_ifr;
1421 flags = getifflags(ctx->ifname, ctx->io_s, false);
1423 memset(&my_ifr, 0, sizeof(my_ifr));
1424 strlcpy(my_ifr.ifr_name, ctx->ifname, sizeof(my_ifr.ifr_name));
1425 my_ifr.ifr_flags = flags & 0xffff;
1426 my_ifr.ifr_flagshigh = flags >> 16;
1427 if (ioctl(ctx->io_s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0)
1432 clearifcap(if_ctx *ctx, const char *vname, int value)
1434 struct ifreq ifr = {};
1437 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0) {
1438 Perror("ioctl (SIOCGIFCAP)");
1441 flags = ifr.ifr_curcap;
1443 flags &= ifr.ifr_reqcap;
1444 /* Check for no change in capabilities. */
1445 if (ifr.ifr_curcap == flags)
1447 ifr.ifr_reqcap = flags;
1448 if (ioctl_ctx(ctx, SIOCSIFCAP, &ifr) < 0)
1453 setifcap(if_ctx *ctx, const char *vname, int value)
1455 struct ifreq ifr = {};
1458 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0) {
1459 Perror("ioctl (SIOCGIFCAP)");
1462 flags = ifr.ifr_curcap;
1464 flags &= ifr.ifr_reqcap;
1465 /* Check for no change in capabilities. */
1466 if (ifr.ifr_curcap == flags)
1468 ifr.ifr_reqcap = flags;
1469 if (ioctl_ctx(ctx, SIOCSIFCAP, &ifr) < 0)
1474 setifcapnv(if_ctx *ctx, const char *vname, const char *arg)
1481 struct ifreq ifr = {};
1483 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0)
1484 Perror("ioctl (SIOCGIFCAP)");
1485 if ((ifr.ifr_curcap & IFCAP_NV) == 0) {
1486 warnx("IFCAP_NV not supported");
1487 return; /* Not exit() */
1493 nvcap = nvlist_create(0);
1495 Perror("nvlist_create");
1496 while ((mopt = strsep(&marg, ",")) != NULL) {
1500 if (strcmp(mopt, "rxtls") == 0) {
1501 nvlist_add_bool(nvcap, "rxtls4", !neg);
1502 nvlist_add_bool(nvcap, "rxtls6", !neg);
1504 nvlist_add_bool(nvcap, mopt, !neg);
1507 buf = nvlist_pack(nvcap, &nvbuflen);
1509 errx(1, "nvlist_pack error");
1512 ifr.ifr_cap_nv.buf_length = ifr.ifr_cap_nv.length = nvbuflen;
1513 ifr.ifr_cap_nv.buffer = buf;
1514 if (ioctl_ctx(ctx, SIOCSIFCAPNV, (caddr_t)&ifr) < 0)
1517 nvlist_destroy(nvcap);
1522 setifmetric(if_ctx *ctx, const char *val, int dummy __unused)
1524 struct ifreq ifr = {};
1526 ifr.ifr_metric = atoi(val);
1527 if (ioctl_ctx_ifr(ctx, SIOCSIFMETRIC, &ifr) < 0)
1528 err(1, "ioctl SIOCSIFMETRIC (set metric)");
1532 setifmtu(if_ctx *ctx, const char *val, int dummy __unused)
1534 struct ifreq ifr = {};
1536 ifr.ifr_mtu = atoi(val);
1537 if (ioctl_ctx_ifr(ctx, SIOCSIFMTU, &ifr) < 0)
1538 err(1, "ioctl SIOCSIFMTU (set mtu)");
1542 setifpcp(if_ctx *ctx, const char *val, int arg __unused)
1544 struct ifreq ifr = {};
1548 ul = strtoul(val, &endp, 0);
1550 errx(1, "invalid value for pcp");
1552 errx(1, "value for pcp out of range");
1553 ifr.ifr_lan_pcp = ul;
1554 if (ioctl_ctx_ifr(ctx, SIOCSLANPCP, &ifr) == -1)
1555 err(1, "SIOCSLANPCP");
1559 disableifpcp(if_ctx *ctx, const char *val __unused, int arg __unused)
1561 struct ifreq ifr = {};
1563 ifr.ifr_lan_pcp = IFNET_PCP_NONE;
1564 if (ioctl_ctx_ifr(ctx, SIOCSLANPCP, &ifr) == -1)
1565 err(1, "SIOCSLANPCP");
1569 setifname(if_ctx *ctx, const char *val, int dummy __unused)
1571 struct ifreq ifr = {};
1574 ifr_set_name(&ifr, ctx->ifname);
1575 newname = strdup(val);
1576 if (newname == NULL)
1577 err(1, "no memory to set ifname");
1578 ifr.ifr_data = newname;
1579 if (ioctl_ctx(ctx, SIOCSIFNAME, (caddr_t)&ifr) < 0) {
1581 err(1, "ioctl SIOCSIFNAME (set name)");
1583 ifname_update(ctx, newname);
1588 setifdescr(if_ctx *ctx, const char *val, int dummy __unused)
1590 struct ifreq ifr = {};
1593 ifr.ifr_buffer.length = strlen(val) + 1;
1594 if (ifr.ifr_buffer.length == 1) {
1595 ifr.ifr_buffer.buffer = newdescr = NULL;
1596 ifr.ifr_buffer.length = 0;
1598 newdescr = strdup(val);
1599 ifr.ifr_buffer.buffer = newdescr;
1600 if (newdescr == NULL) {
1601 warn("no memory to set ifdescr");
1606 if (ioctl_ctx_ifr(ctx, SIOCSIFDESCR, &ifr) < 0)
1607 err(1, "ioctl SIOCSIFDESCR (set descr)");
1613 unsetifdescr(if_ctx *ctx, const char *val __unused, int value __unused)
1615 setifdescr(ctx, "", 0);
1618 #ifdef WITHOUT_NETLINK
1621 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\7RUNNING" \
1622 "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \
1623 "\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP\25STICKYARP"
1626 "\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \
1627 "\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO\14WOL_UCAST\15WOL_MCAST\16WOL_MAGIC" \
1628 "\17TOE4\20TOE6\21VLAN_HWFILTER\23VLAN_HWTSO\24LINKSTATE\25NETMAP" \
1629 "\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP\33NOMAP\34TXTLS4\35TXTLS6" \
1630 "\36VXLAN_HWCSUM\37VXLAN_HWTSO\40TXTLS_RTLMT"
1633 print_ifcap_nv(if_ctx *ctx)
1635 struct ifreq ifr = {};
1642 buf = malloc(IFR_CAP_NV_MAXBUFSIZE);
1645 ifr.ifr_cap_nv.buffer = buf;
1646 ifr.ifr_cap_nv.buf_length = IFR_CAP_NV_MAXBUFSIZE;
1647 if (ioctl_ctx_ifr(ctx, SIOCGIFCAPNV, &ifr) != 0)
1648 Perror("ioctl (SIOCGIFCAPNV)");
1649 nvcap = nvlist_unpack(ifr.ifr_cap_nv.buffer,
1650 ifr.ifr_cap_nv.length, 0);
1652 Perror("nvlist_unpack");
1653 printf("\toptions");
1655 for (first = true;; first = false) {
1656 nvname = nvlist_next(nvcap, &type, &cookie);
1657 if (nvname == NULL) {
1661 if (type == NV_TYPE_BOOL) {
1662 val = nvlist_get_bool(nvcap, nvname);
1665 first ? ' ' : ',', nvname);
1669 if (ctx->args->supmedia) {
1670 printf("\tcapabilities");
1672 for (first = true;; first = false) {
1673 nvname = nvlist_next(nvcap, &type,
1675 if (nvname == NULL) {
1679 if (type == NV_TYPE_BOOL)
1680 printf("%c%s", first ? ' ' :
1684 nvlist_destroy(nvcap);
1687 if (ioctl_ctx(ctx, SIOCGIFCAP, (caddr_t)&ifr) != 0)
1688 Perror("ioctl (SIOCGIFCAP)");
1692 print_ifcap(if_ctx *ctx)
1694 struct ifreq ifr = {};
1696 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) != 0)
1699 if ((ifr.ifr_curcap & IFCAP_NV) != 0)
1700 print_ifcap_nv(ctx);
1702 printb("\toptions", ifr.ifr_curcap, IFCAPBITS);
1704 if (ctx->args->supmedia && ifr.ifr_reqcap != 0) {
1705 printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS);
1713 print_ifstatus(if_ctx *ctx)
1717 strlcpy(ifs.ifs_name, ctx->ifname, sizeof ifs.ifs_name);
1718 if (ioctl_ctx(ctx, SIOCGIFSTATUS, &ifs) == 0)
1719 printf("%s", ifs.ascii);
1723 print_metric(if_ctx *ctx)
1725 struct ifreq ifr = {};
1727 if (ioctl_ctx_ifr(ctx, SIOCGIFMETRIC, &ifr) != -1)
1728 printf(" metric %d", ifr.ifr_metric);
1731 #ifdef WITHOUT_NETLINK
1733 print_mtu(if_ctx *ctx)
1735 struct ifreq ifr = {};
1737 if (ioctl_ctx_ifr(ctx, SIOCGIFMTU, &ifr) != -1)
1738 printf(" mtu %d", ifr.ifr_mtu);
1742 print_description(if_ctx *ctx)
1744 struct ifreq ifr = {};
1746 ifr_set_name(&ifr, ctx->ifname);
1748 if ((descr = reallocf(descr, descrlen)) != NULL) {
1749 ifr.ifr_buffer.buffer = descr;
1750 ifr.ifr_buffer.length = descrlen;
1751 if (ioctl_ctx(ctx, SIOCGIFDESCR, &ifr) == 0) {
1752 if (ifr.ifr_buffer.buffer == descr) {
1753 if (strlen(descr) > 0)
1754 printf("\tdescription: %s\n",
1756 } else if (ifr.ifr_buffer.length > descrlen) {
1757 descrlen = ifr.ifr_buffer.length;
1762 warn("unable to allocate memory for interface"
1769 * Print the status of the interface. If an address family was
1770 * specified, show only it; otherwise, show them all.
1773 status(if_ctx *ctx, const struct sockaddr_dl *sdl __unused, struct ifaddrs *ifa)
1775 struct ifaddrs *ift;
1777 struct ifconfig_args *args = ctx->args;
1778 bool allfamilies = args->afp == NULL;
1779 struct ifreq ifr = {};
1781 if (args->afp == NULL)
1782 ifr.ifr_addr.sa_family = AF_LOCAL;
1784 ifr.ifr_addr.sa_family =
1785 args->afp->af_af == AF_LINK ? AF_LOCAL : args->afp->af_af;
1787 s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0);
1789 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family);
1793 printf("%s: ", ctx->ifname);
1794 printb("flags", ifa->ifa_flags, IFFBITS);
1799 print_description(ctx);
1805 for (ift = ifa; ift != NULL; ift = ift->ifa_next) {
1806 if (ift->ifa_addr == NULL)
1808 if (strcmp(ifa->ifa_name, ift->ifa_name) != 0)
1811 const struct afswtch *p;
1812 p = af_getbyfamily(ift->ifa_addr->sa_family);
1813 if (p != NULL && p->af_status != NULL)
1814 p->af_status(ctx, ift);
1815 } else if (args->afp->af_af == ift->ifa_addr->sa_family)
1816 args->afp->af_status(ctx, ift);
1819 if (allfamilies || afp->af_af == AF_LINK) {
1820 const struct afswtch *lafp;
1823 * Hack; the link level address is received separately
1824 * from the routing information so any address is not
1825 * handled above. Cobble together an entry and invoke
1826 * the status method specially.
1828 lafp = af_getbyname("lladdr");
1830 info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl;
1831 lafp->af_status(s, &info);
1836 af_other_status(ctx);
1837 else if (args->afp->af_other_status != NULL)
1838 args->afp->af_other_status(ctx);
1840 print_ifstatus(ctx);
1841 if (args->verbose > 0)
1851 tunnel_status(if_ctx *ctx)
1853 af_all_tunnel_status(ctx);
1857 Perrorc(const char *cmd, int error)
1862 errx(1, "%s: no such interface", cmd);
1866 errx(1, "%s: permission denied", cmd);
1870 errc(1, error, "%s", cmd);
1875 Perror(const char *cmd)
1877 Perrorc(cmd, errno);
1881 * Print a value a la the %b format of the kernel's printf
1884 printb(const char *s, unsigned v, const char *bits)
1889 if (bits && *bits == 8)
1890 printf("%s=%o", s, v);
1892 printf("%s=%x", s, v);
1896 while ((i = *bits++) != '\0') {
1897 if (v & (1u << (i-1))) {
1901 for (; (c = *bits) > 32; bits++)
1904 for (; *bits > 32; bits++)
1912 print_vhid(const struct ifaddrs *ifa)
1914 struct if_data *ifd;
1916 if (ifa->ifa_data == NULL)
1919 ifd = ifa->ifa_data;
1920 if (ifd->ifi_vhid == 0)
1923 printf(" vhid %d", ifd->ifi_vhid);
1927 ifmaybeload(struct ifconfig_args *args, const char *name)
1929 #define MOD_PREFIX_LEN 3 /* "if_" */
1930 struct module_stat mstat;
1932 char ifkind[IFNAMSIZ + MOD_PREFIX_LEN], ifname[IFNAMSIZ], *dp;
1934 struct module_map_entry *mme;
1937 /* loading suppressed by the user */
1941 /* trim the interface number off the end */
1942 strlcpy(ifname, name, sizeof(ifname));
1943 dp = ifname + strlen(ifname) - 1;
1944 for (; dp > ifname; dp--) {
1951 /* Either derive it from the map or guess otherwise */
1954 for (unsigned i = 0; i < nitems(module_map); ++i) {
1955 mme = &module_map[i];
1956 if (strcmp(mme->ifname, ifname) == 0) {
1957 strlcpy(ifkind, mme->kldname, sizeof(ifkind));
1963 /* We didn't have an alias for it... we'll guess. */
1965 /* turn interface and unit into module name */
1966 strlcpy(ifkind, "if_", sizeof(ifkind));
1967 strlcat(ifkind, ifname, sizeof(ifkind));
1970 /* scan files in kernel */
1971 mstat.version = sizeof(struct module_stat);
1972 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) {
1973 /* scan modules in file */
1974 for (modid = kldfirstmod(fileid); modid > 0;
1975 modid = modfnext(modid)) {
1976 if (modstat(modid, &mstat) < 0)
1978 /* strip bus name if present */
1979 if ((cp = strchr(mstat.name, '/')) != NULL) {
1985 * Is it already loaded? Don't compare with ifname if
1986 * we were specifically told which kld to use. Doing
1987 * so could lead to conflicts not trivially solved.
1989 if ((!found && strcmp(ifname, cp) == 0) ||
1990 strcmp(ifkind, cp) == 0)
1996 * Try to load the module. But ignore failures, because ifconfig can't
1997 * infer the names of all drivers (eg mlx4en(4)).
1999 (void) kldload(ifkind);
2002 static struct cmd basic_cmds[] = {
2003 DEF_CMD("up", IFF_UP, setifflags),
2004 DEF_CMD("down", IFF_UP, clearifflags),
2005 DEF_CMD("arp", IFF_NOARP, clearifflags),
2006 DEF_CMD("-arp", IFF_NOARP, setifflags),
2007 DEF_CMD("debug", IFF_DEBUG, setifflags),
2008 DEF_CMD("-debug", IFF_DEBUG, clearifflags),
2009 DEF_CMD_ARG("description", setifdescr),
2010 DEF_CMD_ARG("descr", setifdescr),
2011 DEF_CMD("-description", 0, unsetifdescr),
2012 DEF_CMD("-descr", 0, unsetifdescr),
2013 DEF_CMD("promisc", IFF_PPROMISC, setifflags),
2014 DEF_CMD("-promisc", IFF_PPROMISC, clearifflags),
2015 DEF_CMD("add", IFF_UP, notealias),
2016 DEF_CMD("alias", IFF_UP, notealias),
2017 DEF_CMD("-alias", -IFF_UP, notealias),
2018 DEF_CMD("delete", -IFF_UP, notealias),
2019 DEF_CMD("remove", -IFF_UP, notealias),
2021 #define EN_SWABIPS 0x1000
2022 DEF_CMD("swabips", EN_SWABIPS, setifflags),
2023 DEF_CMD("-swabips", EN_SWABIPS, clearifflags),
2025 DEF_CMD_ARG("netmask", setifnetmask),
2026 DEF_CMD_ARG("metric", setifmetric),
2027 DEF_CMD_ARG("broadcast", setifbroadaddr),
2028 DEF_CMD_ARG2("tunnel", settunnel),
2029 DEF_CMD("-tunnel", 0, deletetunnel),
2030 DEF_CMD("deletetunnel", 0, deletetunnel),
2032 DEF_CMD_ARG("vnet", setifvnet),
2033 DEF_CMD_ARG("-vnet", setifrvnet),
2035 DEF_CMD("link0", IFF_LINK0, setifflags),
2036 DEF_CMD("-link0", IFF_LINK0, clearifflags),
2037 DEF_CMD("link1", IFF_LINK1, setifflags),
2038 DEF_CMD("-link1", IFF_LINK1, clearifflags),
2039 DEF_CMD("link2", IFF_LINK2, setifflags),
2040 DEF_CMD("-link2", IFF_LINK2, clearifflags),
2041 DEF_CMD("monitor", IFF_MONITOR, setifflags),
2042 DEF_CMD("-monitor", IFF_MONITOR, clearifflags),
2043 DEF_CMD("mextpg", IFCAP_MEXTPG, setifcap),
2044 DEF_CMD("-mextpg", IFCAP_MEXTPG, clearifcap),
2045 DEF_CMD("staticarp", IFF_STATICARP, setifflags),
2046 DEF_CMD("-staticarp", IFF_STATICARP, clearifflags),
2047 DEF_CMD("stickyarp", IFF_STICKYARP, setifflags),
2048 DEF_CMD("-stickyarp", IFF_STICKYARP, clearifflags),
2049 DEF_CMD("rxcsum6", IFCAP_RXCSUM_IPV6, setifcap),
2050 DEF_CMD("-rxcsum6", IFCAP_RXCSUM_IPV6, clearifcap),
2051 DEF_CMD("txcsum6", IFCAP_TXCSUM_IPV6, setifcap),
2052 DEF_CMD("-txcsum6", IFCAP_TXCSUM_IPV6, clearifcap),
2053 DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap),
2054 DEF_CMD("-rxcsum", IFCAP_RXCSUM, clearifcap),
2055 DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap),
2056 DEF_CMD("-txcsum", IFCAP_TXCSUM, clearifcap),
2057 DEF_CMD("netcons", IFCAP_NETCONS, setifcap),
2058 DEF_CMD("-netcons", IFCAP_NETCONS, clearifcap),
2059 DEF_CMD_ARG("pcp", setifpcp),
2060 DEF_CMD("-pcp", 0, disableifpcp),
2061 DEF_CMD("polling", IFCAP_POLLING, setifcap),
2062 DEF_CMD("-polling", IFCAP_POLLING, clearifcap),
2063 DEF_CMD("tso6", IFCAP_TSO6, setifcap),
2064 DEF_CMD("-tso6", IFCAP_TSO6, clearifcap),
2065 DEF_CMD("tso4", IFCAP_TSO4, setifcap),
2066 DEF_CMD("-tso4", IFCAP_TSO4, clearifcap),
2067 DEF_CMD("tso", IFCAP_TSO, setifcap),
2068 DEF_CMD("-tso", IFCAP_TSO, clearifcap),
2069 DEF_CMD("toe", IFCAP_TOE, setifcap),
2070 DEF_CMD("-toe", IFCAP_TOE, clearifcap),
2071 DEF_CMD("lro", IFCAP_LRO, setifcap),
2072 DEF_CMD("-lro", IFCAP_LRO, clearifcap),
2073 DEF_CMD("txtls", IFCAP_TXTLS, setifcap),
2074 DEF_CMD("-txtls", IFCAP_TXTLS, clearifcap),
2075 DEF_CMD_SARG("rxtls", IFCAP2_RXTLS4_NAME "," IFCAP2_RXTLS6_NAME,
2077 DEF_CMD_SARG("-rxtls", "-"IFCAP2_RXTLS4_NAME ",-" IFCAP2_RXTLS6_NAME,
2079 DEF_CMD("wol", IFCAP_WOL, setifcap),
2080 DEF_CMD("-wol", IFCAP_WOL, clearifcap),
2081 DEF_CMD("wol_ucast", IFCAP_WOL_UCAST, setifcap),
2082 DEF_CMD("-wol_ucast", IFCAP_WOL_UCAST, clearifcap),
2083 DEF_CMD("wol_mcast", IFCAP_WOL_MCAST, setifcap),
2084 DEF_CMD("-wol_mcast", IFCAP_WOL_MCAST, clearifcap),
2085 DEF_CMD("wol_magic", IFCAP_WOL_MAGIC, setifcap),
2086 DEF_CMD("-wol_magic", IFCAP_WOL_MAGIC, clearifcap),
2087 DEF_CMD("txrtlmt", IFCAP_TXRTLMT, setifcap),
2088 DEF_CMD("-txrtlmt", IFCAP_TXRTLMT, clearifcap),
2089 DEF_CMD("txtlsrtlmt", IFCAP_TXTLS_RTLMT, setifcap),
2090 DEF_CMD("-txtlsrtlmt", IFCAP_TXTLS_RTLMT, clearifcap),
2091 DEF_CMD("hwrxtstmp", IFCAP_HWRXTSTMP, setifcap),
2092 DEF_CMD("-hwrxtstmp", IFCAP_HWRXTSTMP, clearifcap),
2093 DEF_CMD("normal", IFF_LINK0, clearifflags),
2094 DEF_CMD("compress", IFF_LINK0, setifflags),
2095 DEF_CMD("noicmp", IFF_LINK1, setifflags),
2096 DEF_CMD_ARG("mtu", setifmtu),
2097 DEF_CMD_ARG("name", setifname),
2100 static __constructor void
2105 for (i = 0; i < nitems(basic_cmds); i++)
2106 cmd_register(&basic_cmds[i]);