2 * Copyright (c) 1983, 1988, 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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)if.c 8.3 (Berkeley) 4/28/95";
38 static const char rcsid[] =
42 #include <sys/types.h>
43 #include <sys/protosw.h>
44 #include <sys/socket.h>
45 #include <sys/sysctl.h>
49 #include <net/if_var.h>
50 #include <net/if_dl.h>
51 #include <net/if_types.h>
52 #include <net/bridge.h>
53 #include <net/ethernet.h>
54 #include <netinet/in.h>
55 #include <netinet/in_var.h>
56 #include <netipx/ipx.h>
57 #include <netipx/ipx_if.h>
60 #include <netns/ns_if.h>
63 #include <netiso/iso.h>
64 #include <netiso/iso_var.h>
66 #include <arpa/inet.h>
79 static void sidewaysintpr (u_int, u_long);
80 static void catchalarm (int);
83 char *netname6 (struct sockaddr_in6 *, struct in6_addr *);
84 static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */
88 /* print bridge statistics */
90 bdg_stats(u_long dummy __unused, char *name, int af __unused)
103 if (sysctl(mib,4, &s,&slen,NULL,0)==-1)
104 return ; /* no bridging */
111 printf("-- Bridging statistics (%s) --\n", name) ;
113 "Name In Out Forward Drop Bcast Mcast Local Unknown\n");
114 for (i = 0 ; i < 16 ; i++) {
116 printf("%-6s %9ld%9ld%9ld%9ld%9ld%9ld%9ld%9ld\n",
118 s.s[i].p_in[(int)BDG_IN],
119 s.s[i].p_in[(int)BDG_OUT],
120 s.s[i].p_in[(int)BDG_FORWARD],
121 s.s[i].p_in[(int)BDG_DROP],
122 s.s[i].p_in[(int)BDG_BCAST],
123 s.s[i].p_in[(int)BDG_MCAST],
124 s.s[i].p_in[(int)BDG_LOCAL],
125 s.s[i].p_in[(int)BDG_UNKNOWN] );
133 * Display a formatted value, or a '-' in the same space.
136 show_stat(const char *fmt, int width, u_long value, short showvalue)
140 /* Construct the format string */
142 sprintf(newfmt, "%%%d%s", width, fmt);
143 printf(newfmt, value);
145 sprintf(newfmt, "%%%ds", width);
153 * Print a description of the network interfaces.
156 intpr(int interval, u_long ifnetaddr, void (*pfunc)(char *))
159 struct ifnethead ifnethead;
164 struct in6_ifaddr in6;
166 struct ipx_ifaddr ipx;
171 struct iso_ifaddr iso;
186 struct sockaddr *sa = NULL;
187 char name[32], tname[16];
191 if (ifnetaddr == 0) {
192 printf("ifnet: symbol not defined\n");
196 sidewaysintpr((unsigned)interval, ifnetaddr);
199 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead))
201 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
202 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
206 printf("%-5.5s %5.5s %-13.13s %-17.17s %8.8s %5.5s",
207 "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs");
209 printf(" %10.10s","Ibytes");
210 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
212 printf(" %10.10s","Obytes");
213 printf(" %5s", "Coll");
215 printf(" %s", "Time");
217 printf(" %s", "Drop");
221 while (ifnetaddr || ifaddraddr) {
222 struct sockaddr_in *sin;
224 struct sockaddr_in6 *sin6;
232 if (ifaddraddr == 0) {
233 ifnetfound = ifnetaddr;
234 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) ||
235 kread((u_long)ifnet.if_name, tname, 16))
238 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
239 snprintf(name, 32, "%s%d", tname, ifnet.if_unit);
240 if (interface != 0 && (strcmp(name, interface) != 0))
242 cp = index(name, '\0');
249 if ((ifnet.if_flags&IFF_UP) == 0)
252 ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
254 ifaddrfound = ifaddraddr;
257 * Get the interface stats. These may get
258 * overriden below on a per-interface basis.
260 opackets = ifnet.if_opackets;
261 ipackets = ifnet.if_ipackets;
262 obytes = ifnet.if_obytes;
263 ibytes = ifnet.if_ibytes;
264 oerrors = ifnet.if_oerrors;
265 ierrors = ifnet.if_ierrors;
266 collisions = ifnet.if_collisions;
267 timer = ifnet.if_timer;
268 drops = ifnet.if_snd.ifq_drops;
270 if (ifaddraddr == 0) {
271 printf("%-5.5s %5lu ", name, ifnet.if_mtu);
272 printf("%-13.13s ", "none");
273 printf("%-17.17s ", "none");
275 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
279 #define CP(x) ((char *)(x))
280 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
282 sa = (struct sockaddr *)cp;
283 if (af != AF_UNSPEC && sa->sa_family != af) {
285 (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
288 printf("%-5.5s %5lu ", name, ifnet.if_mtu);
289 switch (sa->sa_family) {
291 printf("%-13.13s ", "none");
292 printf("%-15.15s ", "none");
295 sin = (struct sockaddr_in *)sa;
297 /* can't use inet_makeaddr because kernel
298 * keeps nets unshifted.
300 in = inet_makeaddr(ifaddr.in.ia_subnet,
302 printf("%-13.13s ", netname(in.s_addr,
303 ifaddr.in.ia_subnetmask));
306 netname(htonl(ifaddr.in.ia_subnet),
307 ifaddr.in.ia_subnetmask));
310 routename(sin->sin_addr.s_addr));
316 sin6 = (struct sockaddr_in6 *)sa;
318 netname6(&ifaddr.in6.ia_addr,
319 &ifaddr.in6.ia_prefixmask.sin6_addr));
321 (char *)inet_ntop(AF_INET6,
323 ntop_buf, sizeof(ntop_buf)));
330 struct sockaddr_ipx *sipx =
331 (struct sockaddr_ipx *)sa;
335 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
336 sprintf(netnum, "%lx", (u_long)ntohl(net));
337 printf("ipx:%-8s ", netnum);
338 /* printf("ipx:%-8s ", netname(net, 0L)); */
340 ipx_phost((struct sockaddr *)sipx));
347 printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
348 printf("%-11.11s ",atalk_print(sa,0x0b) );
353 struct sockaddr_ns *sns =
354 (struct sockaddr_ns *)sa;
358 *(union ns_net *) &net = sns->sns_addr.x_net;
359 sprintf(netnum, "%lxH", ntohl(net));
361 printf("ns:%-10s ", netnum);
363 ns_phost((struct sockaddr *)sns));
369 struct sockaddr_dl *sdl =
370 (struct sockaddr_dl *)sa;
372 cp = (char *)LLADDR(sdl);
374 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
375 m = printf("%-13.13s ", linknum);
379 m = printf("(%d)", sa->sa_family);
380 for (cp = sa->sa_len + (char *)sa;
381 --cp > sa->sa_data && (*cp == 0);) {}
382 n = cp - sa->sa_data + 1;
386 m += printf("%02x%c", *cp++ & 0xff,
397 * Fixup the statistics for interfaces that
398 * update stats for their network addresses
401 opackets = ifaddr.in.ia_ifa.if_opackets;
402 ipackets = ifaddr.in.ia_ifa.if_ipackets;
403 obytes = ifaddr.in.ia_ifa.if_obytes;
404 ibytes = ifaddr.in.ia_ifa.if_ibytes;
407 ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
410 show_stat("lu", 8, ipackets, link_layer|network_layer);
412 show_stat("lu", 5, ierrors, link_layer);
415 show_stat("lu", 10, ibytes, link_layer|network_layer);
418 show_stat("lu", 8, opackets, link_layer|network_layer);
420 show_stat("lu", 5, oerrors, link_layer);
423 show_stat("lu", 10, obytes, link_layer|network_layer);
426 show_stat("lu", 5, collisions, link_layer);
429 show_stat("d", 3, timer, link_layer);
433 show_stat("d", 3, drops, link_layer);
436 if (aflag && ifaddrfound) {
438 * Print family's multicast addresses
440 struct ifmultiaddr *multiaddr;
441 struct ifmultiaddr ifma;
444 struct sockaddr_in in;
446 struct sockaddr_in6 in6;
448 struct sockaddr_dl dl;
452 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
453 if (kread((u_long)multiaddr, (char *)&ifma,
457 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
460 if (msa.sa.sa_family != sa->sa_family)
464 switch (msa.sa.sa_family) {
466 fmt = routename(msa.in.sin_addr.s_addr);
470 printf("%23s %-19.19s(refs: %d)\n", "",
479 switch (msa.dl.sdl_type) {
483 (struct ether_addr *)
490 printf("%23s %s\n", "", fmt);
497 SLIST_ENTRY(iftot) chain;
498 char ift_name[16]; /* interface name */
499 u_long ift_ip; /* input packets */
500 u_long ift_ie; /* input errors */
501 u_long ift_op; /* output packets */
502 u_long ift_oe; /* output errors */
503 u_long ift_co; /* collisions */
504 u_int ift_dr; /* drops */
505 u_long ift_ib; /* input bytes */
506 u_long ift_ob; /* output bytes */
509 u_char signalled; /* set if alarm goes off "early" */
512 * Print a running summary of interface statistics.
513 * Repeat display every interval seconds, showing statistics
514 * collected over that interval. Assumes that interval is non-zero.
515 * First line printed at top of screen is always cumulative.
516 * XXX - should be rewritten to use ifmib(4).
519 sidewaysintpr(unsigned interval, u_long off)
523 struct ifnethead ifnethead;
524 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
527 u_long interesting_off;
529 if (kread(off, (char *)&ifnethead, sizeof ifnethead))
531 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
533 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
534 printf("malloc failed\n");
537 memset(iftot, 0, sizeof(struct iftot));
541 for (off = firstifnet, ip = iftot; off;) {
542 char name[16], tname[16];
544 if (kread(off, (char *)&ifnet, sizeof ifnet))
546 if (kread((u_long)ifnet.if_name, tname, 16))
549 snprintf(name, 16, "%s%d", tname, ifnet.if_unit);
550 if (interface && strcmp(name, interface) == 0) {
552 interesting_off = off;
554 snprintf(ip->ift_name, 16, "(%s)", name);;
555 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
556 printf("malloc failed\n");
559 memset(ipn, 0, sizeof(struct iftot));
560 SLIST_NEXT(ip, chain) = ipn;
562 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
564 if ((total = malloc(sizeof(struct iftot))) == NULL) {
565 printf("malloc failed\n");
568 memset(total, 0, sizeof(struct iftot));
569 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
570 printf("malloc failed\n");
573 memset(sum, 0, sizeof(struct iftot));
576 (void)signal(SIGALRM, catchalarm);
578 (void)alarm(interval);
581 printf("%17s %14s %16s", "input",
582 interesting ? interesting->ift_name : "(Total)", "output");
584 printf("%10s %5s %10s %10s %5s %10s %5s",
585 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
587 printf(" %5.5s", "drops");
592 if (interesting != NULL) {
594 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
599 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
600 ifnet.if_ipackets - ip->ift_ip,
601 ifnet.if_ierrors - ip->ift_ie,
602 ifnet.if_ibytes - ip->ift_ib,
603 ifnet.if_opackets - ip->ift_op,
604 ifnet.if_oerrors - ip->ift_oe,
605 ifnet.if_obytes - ip->ift_ob,
606 ifnet.if_collisions - ip->ift_co);
608 printf(" %5u", ifnet.if_snd.ifq_drops - ip->ift_dr);
610 ip->ift_ip = ifnet.if_ipackets;
611 ip->ift_ie = ifnet.if_ierrors;
612 ip->ift_ib = ifnet.if_ibytes;
613 ip->ift_op = ifnet.if_opackets;
614 ip->ift_oe = ifnet.if_oerrors;
615 ip->ift_ob = ifnet.if_obytes;
616 ip->ift_co = ifnet.if_collisions;
617 ip->ift_dr = ifnet.if_snd.ifq_drops;
627 for (off = firstifnet, ip = iftot;
628 off && SLIST_NEXT(ip, chain) != NULL;
629 ip = SLIST_NEXT(ip, chain)) {
630 if (kread(off, (char *)&ifnet, sizeof ifnet)) {
634 sum->ift_ip += ifnet.if_ipackets;
635 sum->ift_ie += ifnet.if_ierrors;
636 sum->ift_ib += ifnet.if_ibytes;
637 sum->ift_op += ifnet.if_opackets;
638 sum->ift_oe += ifnet.if_oerrors;
639 sum->ift_ob += ifnet.if_obytes;
640 sum->ift_co += ifnet.if_collisions;
641 sum->ift_dr += ifnet.if_snd.ifq_drops;
642 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
645 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
646 sum->ift_ip - total->ift_ip,
647 sum->ift_ie - total->ift_ie,
648 sum->ift_ib - total->ift_ib,
649 sum->ift_op - total->ift_op,
650 sum->ift_oe - total->ift_oe,
651 sum->ift_ob - total->ift_ob,
652 sum->ift_co - total->ift_co);
654 printf(" %5u", sum->ift_dr - total->ift_dr);
661 oldmask = sigblock(sigmask(SIGALRM));
667 (void)alarm(interval);
678 * Called if an interval expires before sidewaysintpr has completed a loop.
679 * Sets a flag to not wait for the alarm.
682 catchalarm(int signo __unused)