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
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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
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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.
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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
33 * @(#)if.c 8.3 (Berkeley) 4/28/95
34 * $FreeBSD: src/usr.bin/netstat/if.c,v 1.32.2.9 2001/09/17 14:35:46 ru Exp $
35 * $DragonFly: src/usr.bin/netstat/if.c,v 1.7 2004/08/30 18:06:49 eirikn Exp $
38 #include <sys/param.h>
39 #include <sys/protosw.h>
40 #include <sys/socket.h>
41 #include <sys/sysctl.h>
45 #include <net/if_var.h>
46 #include <net/if_dl.h>
47 #include <net/if_types.h>
48 #include <net/bridge/bridge.h>
49 #include <net/ethernet.h>
50 #include <netinet/in.h>
51 #include <netinet/in_var.h>
52 #include <netproto/ipx/ipx.h>
53 #include <netproto/ipx/ipx_if.h>
55 #include <netproto/ns/ns.h>
56 #include <netproto/ns/ns_if.h>
59 #include <netiso/iso.h>
60 #include <netiso/iso_var.h>
62 #include <arpa/inet.h>
75 static void sidewaysintpr (u_int, u_long);
76 static void catchalarm (int);
79 char *netname6 (struct sockaddr_in6 *, struct in6_addr *);
80 static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */
84 /* print bridge statistics */
86 bdg_stats(u_long dummy __unused, char *name, int af __unused)
99 if (sysctl(mib,4, &s,&slen,NULL,0)==-1)
100 return ; /* no bridging */
107 printf("-- Bridging statistics (%s) --\n", name) ;
109 "Name In Out Forward Drop Bcast Mcast Local Unknown\n");
110 for (i = 0 ; i < 16 ; i++) {
112 printf("%-6s %9ld%9ld%9ld%9ld%9ld%9ld%9ld%9ld\n",
114 s.s[i].p_in[(int)BDG_IN],
115 s.s[i].p_in[(int)BDG_OUT],
116 s.s[i].p_in[(int)BDG_FORWARD],
117 s.s[i].p_in[(int)BDG_DROP],
118 s.s[i].p_in[(int)BDG_BCAST],
119 s.s[i].p_in[(int)BDG_MCAST],
120 s.s[i].p_in[(int)BDG_LOCAL],
121 s.s[i].p_in[(int)BDG_UNKNOWN] );
129 * Display a formatted value, or a '-' in the same space.
132 show_stat(const char *fmt, int width, u_long value, short showvalue)
136 /* Construct the format string */
138 sprintf(newfmt, "%%%d%s", width, fmt);
139 printf(newfmt, value);
141 sprintf(newfmt, "%%%ds", width);
149 * Print a description of the network interfaces.
152 intpr(int interval, u_long ifnetaddr, void (*pfunc)(char *))
155 struct ifnethead ifnethead;
160 struct in6_ifaddr in6;
162 struct ipx_ifaddr ipx;
167 struct iso_ifaddr iso;
182 struct sockaddr *sa = NULL;
187 if (ifnetaddr == 0) {
188 printf("ifnet: symbol not defined\n");
192 sidewaysintpr((unsigned)interval, ifnetaddr);
195 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead))
197 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
198 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
202 printf("%-7.7s %-5.5s %-13.13s %-15.15s %8.8s %5.5s",
203 "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs");
205 printf(" %10.10s","Ibytes");
206 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
208 printf(" %10.10s","Obytes");
209 printf(" %5s", "Coll");
211 printf(" %s", "Time");
213 printf(" %s", "Drop");
217 while (ifnetaddr || ifaddraddr) {
218 struct sockaddr_in *sin;
220 struct sockaddr_in6 *sin6;
228 if (ifaddraddr == 0) {
229 ifnetfound = ifnetaddr;
230 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
232 strlcpy(name, ifnet.if_xname, sizeof(name));
233 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
234 if (interface != 0 && (strcmp(name, interface) != 0))
236 cp = strchr(name, '\0');
243 if ((ifnet.if_flags&IFF_UP) == 0)
246 ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
248 ifaddrfound = ifaddraddr;
251 * Get the interface stats. These may get
252 * overriden below on a per-interface basis.
254 opackets = ifnet.if_opackets;
255 ipackets = ifnet.if_ipackets;
256 obytes = ifnet.if_obytes;
257 ibytes = ifnet.if_ibytes;
258 oerrors = ifnet.if_oerrors;
259 ierrors = ifnet.if_ierrors;
260 collisions = ifnet.if_collisions;
261 timer = ifnet.if_timer;
262 drops = ifnet.if_snd.ifq_drops;
264 if (ifaddraddr == 0) {
265 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
266 printf("%-13.13s ", "none");
267 printf("%-15.15s ", "none");
269 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
273 #define CP(x) ((char *)(x))
274 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
276 sa = (struct sockaddr *)cp;
277 if (af != AF_UNSPEC && sa->sa_family != af) {
279 (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
282 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
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
433 struct ifmultiaddr ifma;
436 struct sockaddr_in in;
438 struct sockaddr_in6 in6;
440 struct sockaddr_dl dl;
444 for(multiaddr = (u_long)ifnet.if_multiaddrs.lh_first;
446 multiaddr = (u_long)ifma.ifma_link.le_next) {
447 if (kread(multiaddr, (char *)&ifma,
450 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
453 if (msa.sa.sa_family != sa->sa_family)
457 switch (msa.sa.sa_family) {
459 fmt = routename(msa.in.sin_addr.s_addr);
463 printf("%23s %-19.19s(refs: %d)\n", "",
472 switch (msa.dl.sdl_type) {
476 (struct ether_addr *)
483 printf("%23s %s\n", "", fmt);
490 SLIST_ENTRY(iftot) chain;
491 char ift_name[IFNAMSIZ]; /* interface name */
492 u_long ift_ip; /* input packets */
493 u_long ift_ie; /* input errors */
494 u_long ift_op; /* output packets */
495 u_long ift_oe; /* output errors */
496 u_long ift_co; /* collisions */
497 u_int ift_dr; /* drops */
498 u_long ift_ib; /* input bytes */
499 u_long ift_ob; /* output bytes */
502 u_char signalled; /* set if alarm goes off "early" */
505 * Print a running summary of interface statistics.
506 * Repeat display every interval seconds, showing statistics
507 * collected over that interval. Assumes that interval is non-zero.
508 * First line printed at top of screen is always cumulative.
509 * XXX - should be rewritten to use ifmib(4).
512 sidewaysintpr(unsigned interval, u_long off)
516 struct ifnethead ifnethead;
517 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
520 u_long interesting_off;
522 if (kread(off, (char *)&ifnethead, sizeof ifnethead))
524 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
526 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
527 printf("malloc failed\n");
530 memset(iftot, 0, sizeof(struct iftot));
534 for (off = firstifnet, ip = iftot; off;) {
537 if (kread(off, (char *)&ifnet, sizeof ifnet))
539 strlcpy(name, ifnet.if_xname, sizeof(name));
540 if (interface && strcmp(name, interface) == 0) {
542 interesting_off = off;
544 snprintf(ip->ift_name, 16, "(%s)", name);;
545 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
546 printf("malloc failed\n");
549 memset(ipn, 0, sizeof(struct iftot));
550 SLIST_NEXT(ip, chain) = ipn;
552 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
554 if ((total = malloc(sizeof(struct iftot))) == NULL) {
555 printf("malloc failed\n");
558 memset(total, 0, sizeof(struct iftot));
559 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
560 printf("malloc failed\n");
563 memset(sum, 0, sizeof(struct iftot));
566 (void)signal(SIGALRM, catchalarm);
568 (void)alarm(interval);
571 printf("%17s %14s %16s", "input",
572 interesting ? interesting->ift_name : "(Total)", "output");
574 printf("%10s %5s %10s %10s %5s %10s %5s",
575 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
577 printf(" %5.5s", "drops");
582 if (interesting != NULL) {
584 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
589 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
590 ifnet.if_ipackets - ip->ift_ip,
591 ifnet.if_ierrors - ip->ift_ie,
592 ifnet.if_ibytes - ip->ift_ib,
593 ifnet.if_opackets - ip->ift_op,
594 ifnet.if_oerrors - ip->ift_oe,
595 ifnet.if_obytes - ip->ift_ob,
596 ifnet.if_collisions - ip->ift_co);
598 printf(" %5u", ifnet.if_snd.ifq_drops - ip->ift_dr);
600 ip->ift_ip = ifnet.if_ipackets;
601 ip->ift_ie = ifnet.if_ierrors;
602 ip->ift_ib = ifnet.if_ibytes;
603 ip->ift_op = ifnet.if_opackets;
604 ip->ift_oe = ifnet.if_oerrors;
605 ip->ift_ob = ifnet.if_obytes;
606 ip->ift_co = ifnet.if_collisions;
607 ip->ift_dr = ifnet.if_snd.ifq_drops;
617 for (off = firstifnet, ip = iftot;
618 off && SLIST_NEXT(ip, chain) != NULL;
619 ip = SLIST_NEXT(ip, chain)) {
620 if (kread(off, (char *)&ifnet, sizeof ifnet)) {
624 sum->ift_ip += ifnet.if_ipackets;
625 sum->ift_ie += ifnet.if_ierrors;
626 sum->ift_ib += ifnet.if_ibytes;
627 sum->ift_op += ifnet.if_opackets;
628 sum->ift_oe += ifnet.if_oerrors;
629 sum->ift_ob += ifnet.if_obytes;
630 sum->ift_co += ifnet.if_collisions;
631 sum->ift_dr += ifnet.if_snd.ifq_drops;
632 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
635 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
636 sum->ift_ip - total->ift_ip,
637 sum->ift_ie - total->ift_ie,
638 sum->ift_ib - total->ift_ib,
639 sum->ift_op - total->ift_op,
640 sum->ift_oe - total->ift_oe,
641 sum->ift_ob - total->ift_ob,
642 sum->ift_co - total->ift_co);
644 printf(" %5u", sum->ift_dr - total->ift_dr);
651 oldmask = sigblock(sigmask(SIGALRM));
657 (void)alarm(interval);
668 * Called if an interval expires before sidewaysintpr has completed a loop.
669 * Sets a flag to not wait for the alarm.
672 catchalarm(int signo __unused)