2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 static const char copyright[] =
32 "@(#) Copyright (c) 1983, 1993\n\
33 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
40 static const char rcsid[] =
44 #include <sys/param.h>
45 #include <sys/ioctl.h>
46 #include <sys/socket.h>
47 #include <sys/sysctl.h>
49 #include <sys/module.h>
50 #include <sys/linker.h>
52 #include <net/ethernet.h>
54 #include <net/if_var.h>
55 #include <net/if_dl.h>
56 #include <net/if_types.h>
57 #include <net/route.h>
60 #include <netinet/in.h>
61 #include <netinet/in_var.h>
62 #include <arpa/inet.h>
78 * Since "struct ifreq" is composed of various union members, callers
79 * should pay special attention to interprete the value.
80 * (.e.g. little/big endian difference in the structure.)
95 int printkeys = 0; /* Print keying material for interfaces. */
97 static int ifconfig(int argc, char *const *argv, const struct afswtch *afp);
98 static void status(const struct afswtch *afp, const struct sockaddr_dl *sdl,
100 static void tunnel_status(int s);
101 static void usage(void);
103 static struct afswtch *af_getbyname(const char *name);
104 static struct afswtch *af_getbyfamily(int af);
105 static void af_other_status(int);
107 static struct option *opts = NULL;
110 opt_register(struct option *p)
122 /* XXX not right but close enough for now */
124 for (p = opts; p != NULL; p = p->next) {
125 strlcat(options, p->opt_usage, sizeof(options));
126 strlcat(options, " ", sizeof(options));
130 "usage: ifconfig %sinterface address_family [address [dest_address]]\n"
132 " ifconfig interface create\n"
133 " ifconfig -a %s[-d] [-m] [-u] [-v] [address_family]\n"
134 " ifconfig -l [-d] [-u] [address_family]\n"
135 " ifconfig %s[-d] [-m] [-u] [-v]\n",
136 options, options, options);
141 main(int argc, char *argv[])
143 int c, all, namesonly, downonly, uponly;
144 const struct afswtch *afp = NULL;
146 struct ifaddrs *ifap, *ifa;
148 const struct sockaddr_dl *sdl;
149 char options[1024], *cp;
154 all = downonly = uponly = namesonly = noload = verbose = 0;
156 /* Parse leading line options */
157 strlcpy(options, "adklmnuv", sizeof(options));
158 for (p = opts; p != NULL; p = p->next)
159 strlcat(options, p->opt, sizeof(options));
160 while ((c = getopt(argc, argv, options)) != -1) {
162 case 'a': /* scan all interfaces */
165 case 'd': /* restrict scan to "down" interfaces */
171 case 'l': /* scan interface names only */
174 case 'm': /* show media choices in status */
177 case 'n': /* suppress module loading */
180 case 'u': /* restrict scan to "up" interfaces */
187 for (p = opts; p != NULL; p = p->next)
188 if (p->opt[0] == c) {
200 /* -l cannot be used with -a or -m */
201 if (namesonly && (all || supmedia))
205 if (uponly && downonly)
208 /* no arguments is equivalent to '-a' */
209 if (!namesonly && argc < 1)
212 /* -a and -l allow an address family arg to limit the output */
213 if (all || namesonly) {
220 afp = af_getbyname(*argv);
223 if (afp->af_name != NULL)
225 /* leave with afp non-zero */
228 /* not listing, need an argument */
235 /* check and maybe load support for this interface */
238 ifindex = if_nametoindex(ifname);
241 * NOTE: We must special-case the `create' command
242 * right here as we would otherwise fail when trying
243 * to find the interface.
245 if (argc > 0 && (strcmp(argv[0], "create") == 0 ||
246 strcmp(argv[0], "plumb") == 0)) {
247 iflen = strlcpy(name, ifname, sizeof(name));
248 if (iflen >= sizeof(name))
249 errx(1, "%s: cloning name too long",
251 ifconfig(argc, argv, NULL);
254 errx(1, "interface %s does not exist", ifname);
258 /* Check for address family */
260 afp = af_getbyname(*argv);
265 if (getifaddrs(&ifap) != 0)
266 err(EXIT_FAILURE, "getifaddrs");
269 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
270 memset(&paifr, 0, sizeof(paifr));
271 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name));
272 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
273 memcpy(&paifr.ifr_addr, ifa->ifa_addr,
274 ifa->ifa_addr->sa_len);
277 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
279 if (ifa->ifa_addr->sa_family == AF_LINK)
280 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
283 if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0)
285 iflen = strlcpy(name, ifa->ifa_name, sizeof(name));
286 if (iflen >= sizeof(name)) {
287 warnx("%s: interface name too long, skipping",
293 if (downonly && (ifa->ifa_flags & IFF_UP) != 0)
295 if (uponly && (ifa->ifa_flags & IFF_UP) == 0)
299 * Are we just listing the interfaces?
309 ifconfig(argc, argv, afp);
311 status(afp, sdl, ifa);
320 static struct afswtch *afs = NULL;
323 af_register(struct afswtch *p)
329 static struct afswtch *
330 af_getbyname(const char *name)
334 for (afp = afs; afp != NULL; afp = afp->af_next)
335 if (strcmp(afp->af_name, name) == 0)
340 static struct afswtch *
341 af_getbyfamily(int af)
345 for (afp = afs; afp != NULL; afp = afp->af_next)
346 if (afp->af_af == af)
352 af_other_status(int s)
355 uint8_t afmask[howmany(AF_MAX, NBBY)];
357 memset(afmask, 0, sizeof(afmask));
358 for (afp = afs; afp != NULL; afp = afp->af_next) {
359 if (afp->af_other_status == NULL)
361 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af))
363 afp->af_other_status(s);
364 setbit(afmask, afp->af_af);
369 af_all_tunnel_status(int s)
372 uint8_t afmask[howmany(AF_MAX, NBBY)];
374 memset(afmask, 0, sizeof(afmask));
375 for (afp = afs; afp != NULL; afp = afp->af_next) {
376 if (afp->af_status_tunnel == NULL)
378 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af))
380 afp->af_status_tunnel(s);
381 setbit(afmask, afp->af_af);
385 static struct cmd *cmds = NULL;
388 cmd_register(struct cmd *p)
394 static const struct cmd *
395 cmd_lookup(const char *name)
397 #define N(a) (sizeof(a)/sizeof(a[0]))
400 for (p = cmds; p != NULL; p = p->c_next)
401 if (strcmp(name, p->c_name) == 0)
408 callback_func *cb_func;
410 struct callback *cb_next;
412 static struct callback *callbacks = NULL;
415 callback_register(callback_func *func, void *arg)
419 cb = malloc(sizeof(struct callback));
421 errx(1, "unable to allocate memory for callback");
424 cb->cb_next = callbacks;
428 /* specially-handled commands */
429 static void setifaddr(const char *, int, int, const struct afswtch *);
430 static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr);
432 static void setifdstaddr(const char *, int, int, const struct afswtch *);
433 static const struct cmd setifdstaddr_cmd =
434 DEF_CMD("ifdstaddr", 0, setifdstaddr);
437 ifconfig(int argc, char *const *argv, const struct afswtch *afp)
443 afp = af_getbyname("inet");
444 ifr.ifr_addr.sa_family =
445 afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ?
446 AF_INET : afp->af_af;
447 strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
449 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0)
450 err(1, "socket(family %u,SOCK_DGRAM", ifr.ifr_addr.sa_family);
455 p = cmd_lookup(*argv);
458 * Not a recognized command, choose between setting
459 * the interface address and the dst address.
461 p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd);
463 if (p->c_u.c_func || p->c_u.c_func2) {
464 if (p->c_parameter == NEXTARG) {
466 errx(1, "'%s' requires argument",
468 p->c_u.c_func(argv[1], 0, s, afp);
470 } else if (p->c_parameter == OPTARG) {
471 p->c_u.c_func(argv[1], 0, s, afp);
474 } else if (p->c_parameter == NEXTARG2) {
476 errx(1, "'%s' requires 2 arguments",
478 p->c_u.c_func2(argv[1], argv[2], s, afp);
479 argc -= 2, argv += 2;
481 p->c_u.c_func(*argv, p->c_parameter, s, afp);
487 * Do any post argument processing required by the address family.
489 if (afp->af_postproc != NULL)
490 afp->af_postproc(s, afp);
492 * Do deferred callbacks registered while processing
493 * command-line arguments.
495 for (cb = callbacks; cb != NULL; cb = cb->cb_next)
496 cb->cb_func(s, cb->cb_arg);
498 * Do deferred operations.
501 if (afp->af_ridreq == NULL || afp->af_difaddr == 0) {
502 warnx("interface %s cannot change %s addresses!",
509 strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name);
510 ret = ioctl(s, afp->af_difaddr, afp->af_ridreq);
512 if (errno == EADDRNOTAVAIL && (doalias >= 0)) {
513 /* means no previous address for interface */
515 Perror("ioctl (SIOCDIFADDR)");
519 if (afp->af_addreq == NULL || afp->af_aifaddr == 0) {
520 warnx("interface %s cannot change %s addresses!",
525 if (newaddr && (setaddr || setmask)) {
526 strncpy(afp->af_addreq, name, sizeof ifr.ifr_name);
527 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0)
528 Perror("ioctl (SIOCAIFADDR)");
537 setifaddr(const char *addr, int param, int s, const struct afswtch *afp)
539 if (afp->af_getaddr == NULL)
542 * Delay the ioctl to set the interface addr until flags are all set.
543 * The address interpretation may depend on the flags,
544 * and the flags may change when the address is set.
547 if (doalias == 0 && afp->af_af != AF_LINK)
549 afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR));
553 settunnel(const char *src, const char *dst, int s, const struct afswtch *afp)
555 struct addrinfo *srcres, *dstres;
558 if (afp->af_settunnel == NULL) {
559 warn("address family %s does not support tunnel setup",
564 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0)
565 errx(1, "error in parsing address string: %s",
566 gai_strerror(ecode));
568 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0)
569 errx(1, "error in parsing address string: %s",
570 gai_strerror(ecode));
572 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family)
574 "source and destination address families do not match");
576 afp->af_settunnel(s, srcres, dstres);
578 freeaddrinfo(srcres);
579 freeaddrinfo(dstres);
584 deletetunnel(const char *vname, int param, int s, const struct afswtch *afp)
587 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0)
588 err(1, "SIOCDIFPHYADDR");
592 setifnetmask(const char *addr, int dummy __unused, int s,
593 const struct afswtch *afp)
595 if (afp->af_getaddr != NULL) {
597 afp->af_getaddr(addr, MASK);
602 setifbroadaddr(const char *addr, int dummy __unused, int s,
603 const struct afswtch *afp)
605 if (afp->af_getaddr != NULL)
606 afp->af_getaddr(addr, DSTADDR);
610 setifipdst(const char *addr, int dummy __unused, int s,
611 const struct afswtch *afp)
613 const struct afswtch *inet;
615 inet = af_getbyname("inet");
618 inet->af_getaddr(addr, DSTADDR);
625 notealias(const char *addr, int param, int s, const struct afswtch *afp)
627 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
628 if (setaddr && doalias == 0 && param < 0)
629 if (afp->af_addreq != NULL && afp->af_ridreq != NULL)
630 bcopy((caddr_t)rqtosa(af_addreq),
631 (caddr_t)rqtosa(af_ridreq),
632 rqtosa(af_addreq)->sa_len);
644 setifdstaddr(const char *addr, int param __unused, int s,
645 const struct afswtch *afp)
647 if (afp->af_getaddr != NULL)
648 afp->af_getaddr(addr, DSTADDR);
652 * Note: doing an SIOCIGIFFLAGS scribbles on the union portion
653 * of the ifreq structure, which may confuse other parts of ifconfig.
654 * Make a private copy so we can avoid that.
657 setifflags(const char *vname, int value, int s, const struct afswtch *afp)
662 bcopy((char *)&ifr, (char *)&my_ifr, sizeof(struct ifreq));
664 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) {
665 Perror("ioctl (SIOCGIFFLAGS)");
668 strncpy(my_ifr.ifr_name, name, sizeof (my_ifr.ifr_name));
669 flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16);
676 my_ifr.ifr_flags = flags & 0xffff;
677 my_ifr.ifr_flagshigh = flags >> 16;
678 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0)
683 setifcap(const char *vname, int value, int s, const struct afswtch *afp)
687 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) {
688 Perror("ioctl (SIOCGIFCAP)");
691 flags = ifr.ifr_curcap;
697 flags &= ifr.ifr_reqcap;
698 ifr.ifr_reqcap = flags;
699 if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0)
704 setifmetric(const char *val, int dummy __unused, int s,
705 const struct afswtch *afp)
707 strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
708 ifr.ifr_metric = atoi(val);
709 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
710 warn("ioctl (set metric)");
714 setifmtu(const char *val, int dummy __unused, int s,
715 const struct afswtch *afp)
717 strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
718 ifr.ifr_mtu = atoi(val);
719 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0)
720 warn("ioctl (set mtu)");
724 setifname(const char *val, int dummy __unused, int s,
725 const struct afswtch *afp)
729 newname = strdup(val);
730 if (newname == NULL) {
731 warn("no memory to set ifname");
734 ifr.ifr_data = newname;
735 if (ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) {
736 warn("ioctl (set name)");
740 strlcpy(name, newname, sizeof(name));
745 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \
746 "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \
747 "\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP\25NEEDSGIANT"
750 "\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \
751 "\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO"
754 * Print the status of the interface. If an address family was
755 * specified, show only it; otherwise, show them all.
758 status(const struct afswtch *afp, const struct sockaddr_dl *sdl,
767 afp = af_getbyname("inet");
771 ifr.ifr_addr.sa_family = afp->af_af == AF_LINK ? AF_INET : afp->af_af;
772 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
774 s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0);
776 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family);
778 printf("%s: ", name);
779 printb("flags", ifa->ifa_flags, IFFBITS);
780 if (ioctl(s, SIOCGIFMETRIC, &ifr) != -1)
781 printf(" metric %d", ifr.ifr_metric);
782 if (ioctl(s, SIOCGIFMTU, &ifr) != -1)
783 printf(" mtu %d", ifr.ifr_mtu);
786 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) {
787 if (ifr.ifr_curcap != 0) {
788 printb("\toptions", ifr.ifr_curcap, IFCAPBITS);
791 if (supmedia && ifr.ifr_reqcap != 0) {
792 printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS);
799 for (ift = ifa; ift != NULL; ift = ift->ifa_next) {
800 if (ift->ifa_addr == NULL)
802 if (strcmp(ifa->ifa_name, ift->ifa_name) != 0)
805 const struct afswtch *p;
806 p = af_getbyfamily(ift->ifa_addr->sa_family);
807 if (p != NULL && p->af_status != NULL)
808 p->af_status(s, ift);
809 } else if (afp->af_af == ift->ifa_addr->sa_family)
810 afp->af_status(s, ift);
813 if (allfamilies || afp->af_af == AF_LINK) {
814 const struct afswtch *lafp;
817 * Hack; the link level address is received separately
818 * from the routing information so any address is not
819 * handled above. Cobble together an entry and invoke
820 * the status method specially.
822 lafp = af_getbyname("lladdr");
824 info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl;
825 lafp->af_status(s, &info);
831 else if (afp->af_other_status != NULL)
832 afp->af_other_status(s);
834 strncpy(ifs.ifs_name, name, sizeof ifs.ifs_name);
835 if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0)
836 printf("%s", ifs.ascii);
845 af_all_tunnel_status(s);
849 Perror(const char *cmd)
854 errx(1, "%s: no such interface", cmd);
858 errx(1, "%s: permission denied", cmd);
867 * Print a value a la the %b format of the kernel's printf
870 printb(const char *s, unsigned v, const char *bits)
875 if (bits && *bits == 8)
876 printf("%s=%o", s, v);
878 printf("%s=%x", s, v);
882 while ((i = *bits++) != '\0') {
883 if (v & (1 << (i-1))) {
887 for (; (c = *bits) > 32; bits++)
890 for (; *bits > 32; bits++)
898 ifmaybeload(const char *name)
900 struct module_stat mstat;
902 char ifkind[35], *dp;
905 /* loading suppressed by the user */
909 /* turn interface and unit into module name */
910 strcpy(ifkind, "if_");
911 for (cp = name, dp = ifkind + 3;
912 (*cp != 0) && !isdigit(*cp); cp++, dp++)
916 /* scan files in kernel */
917 mstat.version = sizeof(struct module_stat);
918 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) {
919 /* scan modules in file */
920 for (modid = kldfirstmod(fileid); modid > 0;
921 modid = modfnext(modid)) {
922 if (modstat(modid, &mstat) < 0)
924 /* strip bus name if present */
925 if ((cp = strchr(mstat.name, '/')) != NULL) {
930 /* already loaded? */
931 if (strncmp(name, cp, strlen(cp)) == 0 ||
932 strncmp(ifkind, cp, strlen(cp)) == 0)
937 /* not present, we should try to load it */
941 static struct cmd basic_cmds[] = {
942 DEF_CMD("up", IFF_UP, setifflags),
943 DEF_CMD("down", -IFF_UP, setifflags),
944 DEF_CMD("arp", -IFF_NOARP, setifflags),
945 DEF_CMD("-arp", IFF_NOARP, setifflags),
946 DEF_CMD("debug", IFF_DEBUG, setifflags),
947 DEF_CMD("-debug", -IFF_DEBUG, setifflags),
948 DEF_CMD("promisc", IFF_PPROMISC, setifflags),
949 DEF_CMD("-promisc", -IFF_PPROMISC, setifflags),
950 DEF_CMD("add", IFF_UP, notealias),
951 DEF_CMD("alias", IFF_UP, notealias),
952 DEF_CMD("-alias", -IFF_UP, notealias),
953 DEF_CMD("delete", -IFF_UP, notealias),
954 DEF_CMD("remove", -IFF_UP, notealias),
956 #define EN_SWABIPS 0x1000
957 DEF_CMD("swabips", EN_SWABIPS, setifflags),
958 DEF_CMD("-swabips", -EN_SWABIPS, setifflags),
960 DEF_CMD_ARG("netmask", setifnetmask),
961 DEF_CMD_ARG("metric", setifmetric),
962 DEF_CMD_ARG("broadcast", setifbroadaddr),
963 DEF_CMD_ARG("ipdst", setifipdst),
964 DEF_CMD_ARG2("tunnel", settunnel),
965 DEF_CMD("-tunnel", 0, deletetunnel),
966 DEF_CMD("deletetunnel", 0, deletetunnel),
967 DEF_CMD("link0", IFF_LINK0, setifflags),
968 DEF_CMD("-link0", -IFF_LINK0, setifflags),
969 DEF_CMD("link1", IFF_LINK1, setifflags),
970 DEF_CMD("-link1", -IFF_LINK1, setifflags),
971 DEF_CMD("link2", IFF_LINK2, setifflags),
972 DEF_CMD("-link2", -IFF_LINK2, setifflags),
973 DEF_CMD("monitor", IFF_MONITOR, setifflags),
974 DEF_CMD("-monitor", -IFF_MONITOR, setifflags),
975 DEF_CMD("staticarp", IFF_STATICARP, setifflags),
976 DEF_CMD("-staticarp", -IFF_STATICARP, setifflags),
977 DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap),
978 DEF_CMD("-rxcsum", -IFCAP_RXCSUM, setifcap),
979 DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap),
980 DEF_CMD("-txcsum", -IFCAP_TXCSUM, setifcap),
981 DEF_CMD("netcons", IFCAP_NETCONS, setifcap),
982 DEF_CMD("-netcons", -IFCAP_NETCONS, setifcap),
983 DEF_CMD("polling", IFCAP_POLLING, setifcap),
984 DEF_CMD("-polling", -IFCAP_POLLING, setifcap),
985 DEF_CMD("tso", IFCAP_TSO, setifcap),
986 DEF_CMD("-tso", -IFCAP_TSO, setifcap),
987 DEF_CMD("lro", IFCAP_LRO, setifcap),
988 DEF_CMD("-lro", -IFCAP_LRO, setifcap),
989 DEF_CMD("normal", -IFF_LINK0, setifflags),
990 DEF_CMD("compress", IFF_LINK0, setifflags),
991 DEF_CMD("noicmp", IFF_LINK1, setifflags),
992 DEF_CMD_ARG("mtu", setifmtu),
993 DEF_CMD_ARG("name", setifname),
996 static __constructor void
999 #define N(a) (sizeof(a) / sizeof(a[0]))
1002 for (i = 0; i < N(basic_cmds); i++)
1003 cmd_register(&basic_cmds[i]);