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 %-15.15s %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 printf("%-5.5s %-5lu ", name, ifnet.if_mtu);
255 ifaddrfound = ifaddraddr;
258 * Get the interface stats. These may get
259 * overriden below on a per-interface basis.
261 opackets = ifnet.if_opackets;
262 ipackets = ifnet.if_ipackets;
263 obytes = ifnet.if_obytes;
264 ibytes = ifnet.if_ibytes;
265 oerrors = ifnet.if_oerrors;
266 ierrors = ifnet.if_ierrors;
267 collisions = ifnet.if_collisions;
268 timer = ifnet.if_timer;
269 drops = ifnet.if_snd.ifq_drops;
271 if (ifaddraddr == 0) {
272 printf("%-13.13s ", "none");
273 printf("%-15.15s ", "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 switch (sa->sa_family) {
285 printf("%-13.13s ", "none");
286 printf("%-15.15s ", "none");
289 sin = (struct sockaddr_in *)sa;
291 /* can't use inet_makeaddr because kernel
292 * keeps nets unshifted.
294 in = inet_makeaddr(ifaddr.in.ia_subnet,
296 printf("%-13.13s ", netname(in.s_addr,
297 ifaddr.in.ia_subnetmask));
300 netname(htonl(ifaddr.in.ia_subnet),
301 ifaddr.in.ia_subnetmask));
304 routename(sin->sin_addr.s_addr));
310 sin6 = (struct sockaddr_in6 *)sa;
312 netname6(&ifaddr.in6.ia_addr,
313 &ifaddr.in6.ia_prefixmask.sin6_addr));
315 (char *)inet_ntop(AF_INET6,
317 ntop_buf, sizeof(ntop_buf)));
324 struct sockaddr_ipx *sipx =
325 (struct sockaddr_ipx *)sa;
329 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
330 sprintf(netnum, "%lx", (u_long)ntohl(net));
331 printf("ipx:%-8s ", netnum);
332 /* printf("ipx:%-8s ", netname(net, 0L)); */
334 ipx_phost((struct sockaddr *)sipx));
339 printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
340 printf("%-9.9s ",atalk_print(sa,0x0b) );
345 struct sockaddr_ns *sns =
346 (struct sockaddr_ns *)sa;
350 *(union ns_net *) &net = sns->sns_addr.x_net;
351 sprintf(netnum, "%lxH", ntohl(net));
353 printf("ns:%-8s ", netnum);
355 ns_phost((struct sockaddr *)sns));
361 struct sockaddr_dl *sdl =
362 (struct sockaddr_dl *)sa;
364 cp = (char *)LLADDR(sdl);
366 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
367 m = printf("%-11.11s ", linknum);
371 m = printf("(%d)", sa->sa_family);
372 for (cp = sa->sa_len + (char *)sa;
373 --cp > sa->sa_data && (*cp == 0);) {}
374 n = cp - sa->sa_data + 1;
378 m += printf("%02x%c", *cp++ & 0xff,
389 * Fixup the statistics for interfaces that
390 * update stats for their network addresses
393 opackets = ifaddr.in.ia_ifa.if_opackets;
394 ipackets = ifaddr.in.ia_ifa.if_ipackets;
395 obytes = ifaddr.in.ia_ifa.if_obytes;
396 ibytes = ifaddr.in.ia_ifa.if_ibytes;
399 ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
402 show_stat("lu", 8, ipackets, link_layer|network_layer);
404 show_stat("lu", 5, ierrors, link_layer);
407 show_stat("lu", 10, ibytes, link_layer|network_layer);
410 show_stat("lu", 8, opackets, link_layer|network_layer);
412 show_stat("lu", 5, oerrors, link_layer);
415 show_stat("lu", 10, obytes, link_layer|network_layer);
418 show_stat("lu", 5, collisions, link_layer);
421 show_stat("d", 3, timer, link_layer);
425 show_stat("d", 3, drops, link_layer);
428 if (aflag && ifaddrfound) {
430 * Print family's multicast addresses
432 struct ifmultiaddr *multiaddr;
433 struct ifmultiaddr ifma;
436 struct sockaddr_in in;
438 struct sockaddr_in6 in6;
440 struct sockaddr_dl dl;
444 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
445 if (kread((u_long)multiaddr, (char *)&ifma,
449 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
452 if (msa.sa.sa_family != sa->sa_family)
456 switch (msa.sa.sa_family) {
458 fmt = routename(msa.in.sin_addr.s_addr);
462 printf("%23s %-19.19s(refs: %d)\n", "",
471 switch (msa.dl.sdl_type) {
475 (struct ether_addr *)
482 printf("%23s %s\n", "", fmt);
489 SLIST_ENTRY(iftot) chain;
490 char ift_name[16]; /* interface name */
491 u_long ift_ip; /* input packets */
492 u_long ift_ie; /* input errors */
493 u_long ift_op; /* output packets */
494 u_long ift_oe; /* output errors */
495 u_long ift_co; /* collisions */
496 u_int ift_dr; /* drops */
497 u_long ift_ib; /* input bytes */
498 u_long ift_ob; /* output bytes */
501 u_char signalled; /* set if alarm goes off "early" */
504 * Print a running summary of interface statistics.
505 * Repeat display every interval seconds, showing statistics
506 * collected over that interval. Assumes that interval is non-zero.
507 * First line printed at top of screen is always cumulative.
508 * XXX - should be rewritten to use ifmib(4).
511 sidewaysintpr(unsigned interval, u_long off)
515 struct ifnethead ifnethead;
516 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
519 u_long interesting_off;
521 if (kread(off, (char *)&ifnethead, sizeof ifnethead))
523 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
525 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
526 printf("malloc failed\n");
529 memset(iftot, 0, sizeof(struct iftot));
533 for (off = firstifnet, ip = iftot; off;) {
534 char name[16], tname[16];
536 if (kread(off, (char *)&ifnet, sizeof ifnet))
538 if (kread((u_long)ifnet.if_name, tname, 16))
541 snprintf(name, 16, "%s%d", tname, ifnet.if_unit);
542 if (interface && strcmp(name, interface) == 0) {
544 interesting_off = off;
546 snprintf(ip->ift_name, 16, "(%s)", name);;
547 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
548 printf("malloc failed\n");
551 memset(ipn, 0, sizeof(struct iftot));
552 SLIST_NEXT(ip, chain) = ipn;
554 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
556 if ((total = malloc(sizeof(struct iftot))) == NULL) {
557 printf("malloc failed\n");
560 memset(total, 0, sizeof(struct iftot));
561 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
562 printf("malloc failed\n");
565 memset(sum, 0, sizeof(struct iftot));
568 (void)signal(SIGALRM, catchalarm);
570 (void)alarm(interval);
573 printf("%17s %14s %16s", "input",
574 interesting ? interesting->ift_name : "(Total)", "output");
576 printf("%10s %5s %10s %10s %5s %10s %5s",
577 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
579 printf(" %5.5s", "drops");
584 if (interesting != NULL) {
586 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
591 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
592 ifnet.if_ipackets - ip->ift_ip,
593 ifnet.if_ierrors - ip->ift_ie,
594 ifnet.if_ibytes - ip->ift_ib,
595 ifnet.if_opackets - ip->ift_op,
596 ifnet.if_oerrors - ip->ift_oe,
597 ifnet.if_obytes - ip->ift_ob,
598 ifnet.if_collisions - ip->ift_co);
600 printf(" %5u", ifnet.if_snd.ifq_drops - ip->ift_dr);
602 ip->ift_ip = ifnet.if_ipackets;
603 ip->ift_ie = ifnet.if_ierrors;
604 ip->ift_ib = ifnet.if_ibytes;
605 ip->ift_op = ifnet.if_opackets;
606 ip->ift_oe = ifnet.if_oerrors;
607 ip->ift_ob = ifnet.if_obytes;
608 ip->ift_co = ifnet.if_collisions;
609 ip->ift_dr = ifnet.if_snd.ifq_drops;
619 for (off = firstifnet, ip = iftot;
620 off && SLIST_NEXT(ip, chain) != NULL;
621 ip = SLIST_NEXT(ip, chain)) {
622 if (kread(off, (char *)&ifnet, sizeof ifnet)) {
626 sum->ift_ip += ifnet.if_ipackets;
627 sum->ift_ie += ifnet.if_ierrors;
628 sum->ift_ib += ifnet.if_ibytes;
629 sum->ift_op += ifnet.if_opackets;
630 sum->ift_oe += ifnet.if_oerrors;
631 sum->ift_ob += ifnet.if_obytes;
632 sum->ift_co += ifnet.if_collisions;
633 sum->ift_dr += ifnet.if_snd.ifq_drops;
634 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
637 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
638 sum->ift_ip - total->ift_ip,
639 sum->ift_ie - total->ift_ie,
640 sum->ift_ib - total->ift_ib,
641 sum->ift_op - total->ift_op,
642 sum->ift_oe - total->ift_oe,
643 sum->ift_ob - total->ift_ob,
644 sum->ift_co - total->ift_co);
646 printf(" %5u", sum->ift_dr - total->ift_dr);
653 oldmask = sigblock(sigmask(SIGALRM));
659 (void)alarm(interval);
670 * Called if an interval expires before sidewaysintpr has completed a loop.
671 * Sets a flag to not wait for the alarm.
674 catchalarm(int signo __unused)