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";
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
43 #include <sys/types.h>
44 #include <sys/protosw.h>
45 #include <sys/socket.h>
46 #include <sys/socketvar.h>
47 #include <sys/sysctl.h>
51 #include <net/if_var.h>
52 #include <net/if_dl.h>
53 #include <net/if_types.h>
54 #include <net/ethernet.h>
55 #include <net/pfvar.h>
56 #include <net/if_pfsync.h>
57 #include <netinet/in.h>
58 #include <netinet/in_var.h>
59 #include <netipx/ipx.h>
60 #include <netipx/ipx_if.h>
61 #include <arpa/inet.h>
78 static void sidewaysintpr(int, u_long);
79 static void catchalarm(int);
82 static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */
86 * Dump pfsync statistics structure.
89 pfsync_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
91 struct pfsyncstats pfsyncstat, zerostat;
92 size_t len = sizeof(struct pfsyncstats);
96 memset(&zerostat, 0, len);
97 if (sysctlbyname("net.inet.pfsync.stats", &pfsyncstat, &len,
98 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
100 warn("sysctl: net.inet.pfsync.stats");
104 kread(off, &pfsyncstat, len);
106 printf("%s:\n", name);
108 #define p(f, m) if (pfsyncstat.f || sflag <= 1) \
109 printf(m, (uintmax_t)pfsyncstat.f, plural(pfsyncstat.f))
110 #define p2(f, m) if (pfsyncstat.f || sflag <= 1) \
111 printf(m, (uintmax_t)pfsyncstat.f)
113 p(pfsyncs_ipackets, "\t%ju packet%s received (IPv4)\n");
114 p(pfsyncs_ipackets6, "\t%ju packet%s received (IPv6)\n");
115 p(pfsyncs_badif, "\t\t%ju packet%s discarded for bad interface\n");
116 p(pfsyncs_badttl, "\t\t%ju packet%s discarded for bad ttl\n");
117 p(pfsyncs_hdrops, "\t\t%ju packet%s shorter than header\n");
118 p(pfsyncs_badver, "\t\t%ju packet%s discarded for bad version\n");
119 p(pfsyncs_badauth, "\t\t%ju packet%s discarded for bad HMAC\n");
120 p(pfsyncs_badact,"\t\t%ju packet%s discarded for bad action\n");
121 p(pfsyncs_badlen, "\t\t%ju packet%s discarded for short packet\n");
122 p(pfsyncs_badval, "\t\t%ju state%s discarded for bad values\n");
123 p(pfsyncs_stale, "\t\t%ju stale state%s\n");
124 p(pfsyncs_badstate, "\t\t%ju failed state lookup/insert%s\n");
125 p(pfsyncs_opackets, "\t%ju packet%s sent (IPv4)\n");
126 p(pfsyncs_opackets6, "\t%ju packet%s sent (IPv6)\n");
127 p2(pfsyncs_onomem, "\t\t%ju send failed due to mbuf memory error\n");
128 p2(pfsyncs_oerrors, "\t\t%ju send error\n");
134 * Display a formatted value, or a '-' in the same space.
137 show_stat(const char *fmt, int width, u_long value, short showvalue)
139 const char *lsep, *rsep;
143 if (strncmp(fmt, "LS", 2) == 0) {
148 if (strncmp(fmt, "NRS", 3) == 0) {
152 if (showvalue == 0) {
153 /* Print just dash. */
154 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
162 /* Format in human readable form. */
163 humanize_number(buf, sizeof(buf), (int64_t)value, "",
164 HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL);
165 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
168 /* Construct the format string. */
169 sprintf(newfmt, "%s%%%d%s%s", lsep, width, fmt, rsep);
170 printf(newfmt, value);
175 * Print a description of the network interfaces.
178 intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *))
181 struct ifnethead ifnethead;
186 struct in6_ifaddr in6;
188 struct ipx_ifaddr ipx;
205 struct sockaddr *sa = NULL;
210 if (ifnetaddr == 0) {
211 printf("ifnet: symbol not defined\n");
215 sidewaysintpr(interval1, ifnetaddr);
218 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead) != 0)
220 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
221 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
226 printf("%-7.7s", "Name");
228 printf("%-5.5s", "Name");
229 printf(" %5.5s %-13.13s %-17.17s %8.8s %5.5s %5.5s",
230 "Mtu", "Network", "Address", "Ipkts", "Ierrs", "Idrop");
232 printf(" %10.10s","Ibytes");
233 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
235 printf(" %10.10s","Obytes");
236 printf(" %5s", "Coll");
238 printf(" %s", "Time");
240 printf(" %s", "Drop");
244 while (ifnetaddr || ifaddraddr) {
245 struct sockaddr_in *sockin;
247 struct sockaddr_in6 *sockin6;
255 if (ifaddraddr == 0) {
256 ifnetfound = ifnetaddr;
257 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
259 strlcpy(name, ifnet.if_xname, sizeof(name));
260 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
261 if (interface != 0 && strcmp(name, interface) != 0)
263 cp = index(name, '\0');
270 if ((ifnet.if_flags&IFF_UP) == 0)
273 ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
275 ifaddrfound = ifaddraddr;
278 * Get the interface stats. These may get
279 * overriden below on a per-interface basis.
281 opackets = ifnet.if_opackets;
282 ipackets = ifnet.if_ipackets;
283 obytes = ifnet.if_obytes;
284 ibytes = ifnet.if_ibytes;
285 omcasts = ifnet.if_omcasts;
286 imcasts = ifnet.if_imcasts;
287 oerrors = ifnet.if_oerrors;
288 ierrors = ifnet.if_ierrors;
289 idrops = ifnet.if_iqdrops;
290 collisions = ifnet.if_collisions;
291 timer = ifnet.if_timer;
292 drops = ifnet.if_snd.ifq_drops;
294 if (ifaddraddr == 0) {
296 printf("%-7.7s", name);
298 printf("%-5.5s", name);
299 printf(" %5lu ", ifnet.if_mtu);
300 printf("%-13.13s ", "none");
301 printf("%-17.17s ", "none");
303 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)
308 #define CP(x) ((char *)(x))
309 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
311 sa = (struct sockaddr *)cp;
312 if (af != AF_UNSPEC && sa->sa_family != af) {
314 (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
318 printf("%-7.7s", name);
320 printf("%-5.5s", name);
321 printf(" %5lu ", ifnet.if_mtu);
322 switch (sa->sa_family) {
324 printf("%-13.13s ", "none");
325 printf("%-15.15s ", "none");
328 sockin = (struct sockaddr_in *)sa;
330 /* can't use inet_makeaddr because kernel
331 * keeps nets unshifted.
333 in = inet_makeaddr(ifaddr.in.ia_subnet,
335 printf("%-13.13s ", netname(in.s_addr,
336 ifaddr.in.ia_subnetmask));
339 netname(htonl(ifaddr.in.ia_subnet),
340 ifaddr.in.ia_subnetmask));
343 routename(sockin->sin_addr.s_addr));
349 sockin6 = (struct sockaddr_in6 *)sa;
351 netname6(&ifaddr.in6.ia_addr,
352 &ifaddr.in6.ia_prefixmask.sin6_addr));
356 ntop_buf, sizeof(ntop_buf)));
363 struct sockaddr_ipx *sipx =
364 (struct sockaddr_ipx *)sa;
368 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
369 sprintf(netnum, "%lx", (u_long)ntohl(net));
370 printf("ipx:%-8s ", netnum);
371 /* printf("ipx:%-8s ", netname(net, 0L)); */
373 ipx_phost((struct sockaddr *)sipx));
380 printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
381 printf("%-11.11s ",atalk_print(sa,0x0b) );
385 struct sockaddr_dl *sdl =
386 (struct sockaddr_dl *)sa;
388 cp = (char *)LLADDR(sdl);
390 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
391 m = printf("%-13.13s ", linknum);
395 m = printf("(%d)", sa->sa_family);
396 for (cp = sa->sa_len + (char *)sa;
397 --cp > sa->sa_data && (*cp == 0);) {}
398 n = cp - sa->sa_data + 1;
402 m += printf("%02x%c", *cp++ & 0xff,
413 * Fixup the statistics for interfaces that
414 * update stats for their network addresses
417 opackets = ifaddr.in.ia_ifa.if_opackets;
418 ipackets = ifaddr.in.ia_ifa.if_ipackets;
419 obytes = ifaddr.in.ia_ifa.if_obytes;
420 ibytes = ifaddr.in.ia_ifa.if_ibytes;
423 ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
426 show_stat("lu", 8, ipackets, link_layer|network_layer);
427 show_stat("lu", 5, ierrors, link_layer);
428 show_stat("lu", 5, idrops, link_layer);
430 show_stat("lu", 10, ibytes, link_layer|network_layer);
432 show_stat("lu", 8, opackets, link_layer|network_layer);
433 show_stat("lu", 5, oerrors, link_layer);
435 show_stat("lu", 10, obytes, link_layer|network_layer);
437 show_stat("NRSlu", 5, collisions, link_layer);
439 show_stat("LSd", 4, timer, link_layer);
441 show_stat("LSd", 4, drops, link_layer);
444 if (aflag && ifaddrfound) {
446 * Print family's multicast addresses
448 struct ifmultiaddr *multiaddr;
449 struct ifmultiaddr ifma;
452 struct sockaddr_in in;
454 struct sockaddr_in6 in6;
456 struct sockaddr_dl dl;
460 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
461 if (kread((u_long)multiaddr, (char *)&ifma,
465 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
468 if (msa.sa.sa_family != sa->sa_family)
472 switch (msa.sa.sa_family) {
474 fmt = routename(msa.in.sin_addr.s_addr);
478 printf("%*s %-19.19s(refs: %d)\n",
488 switch (msa.dl.sdl_type) {
492 (struct ether_addr *)
499 printf("%*s %-17.17s",
500 Wflag ? 27 : 25, "", fmt);
501 if (msa.sa.sa_family == AF_LINK) {
502 printf(" %8lu", imcasts);
505 printf(" %8lu", omcasts);
515 SLIST_ENTRY(iftot) chain;
516 char ift_name[IFNAMSIZ]; /* interface name */
517 u_long ift_ip; /* input packets */
518 u_long ift_ie; /* input errors */
519 u_long ift_id; /* input drops */
520 u_long ift_op; /* output packets */
521 u_long ift_oe; /* output errors */
522 u_long ift_co; /* collisions */
523 u_int ift_dr; /* drops */
524 u_long ift_ib; /* input bytes */
525 u_long ift_ob; /* output bytes */
528 u_char signalled; /* set if alarm goes off "early" */
531 * Print a running summary of interface statistics.
532 * Repeat display every interval1 seconds, showing statistics
533 * collected over that interval. Assumes that interval1 is non-zero.
534 * First line printed at top of screen is always cumulative.
535 * XXX - should be rewritten to use ifmib(4).
538 sidewaysintpr(int interval1, u_long off)
542 struct ifnethead ifnethead;
543 struct itimerval interval_it;
544 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
547 u_long interesting_off;
549 if (kread(off, (char *)&ifnethead, sizeof ifnethead) != 0)
551 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
553 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
554 printf("malloc failed\n");
557 memset(iftot, 0, sizeof(struct iftot));
561 for (off = firstifnet, ip = iftot; off;) {
564 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0)
566 strlcpy(name, ifnet.if_xname, sizeof(name));
567 if (interface && strcmp(name, interface) == 0) {
569 interesting_off = off;
571 snprintf(ip->ift_name, sizeof(ip->ift_name), "(%s)", name);;
572 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
573 printf("malloc failed\n");
576 memset(ipn, 0, sizeof(struct iftot));
577 SLIST_NEXT(ip, chain) = ipn;
579 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
581 if (interface && interesting == NULL)
582 errx(1, "%s: unknown interface", interface);
583 if ((total = malloc(sizeof(struct iftot))) == NULL) {
584 printf("malloc failed\n");
587 memset(total, 0, sizeof(struct iftot));
588 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
589 printf("malloc failed\n");
592 memset(sum, 0, sizeof(struct iftot));
594 (void)signal(SIGALRM, catchalarm);
596 interval_it.it_interval.tv_sec = interval1;
597 interval_it.it_interval.tv_usec = 0;
598 interval_it.it_value = interval_it.it_interval;
599 setitimer(ITIMER_REAL, &interval_it, NULL);
602 printf("%17s %14s %16s", "input",
603 interesting ? interesting->ift_name : "(Total)", "output");
605 printf("%10s %5s %5s %10s %10s %5s %10s %5s",
606 "packets", "errs", "idrops", "bytes", "packets", "errs", "bytes",
609 printf(" %5.5s", "drops");
614 if (interesting != NULL) {
616 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet) != 0) {
621 show_stat("lu", 10, ifnet.if_ipackets - ip->ift_ip, 1);
622 show_stat("lu", 5, ifnet.if_ierrors - ip->ift_ie, 1);
623 show_stat("lu", 5, ifnet.if_iqdrops - ip->ift_id, 1);
624 show_stat("lu", 10, ifnet.if_ibytes - ip->ift_ib, 1);
625 show_stat("lu", 10, ifnet.if_opackets - ip->ift_op, 1);
626 show_stat("lu", 5, ifnet.if_oerrors - ip->ift_oe, 1);
627 show_stat("lu", 10, ifnet.if_obytes - ip->ift_ob, 1);
628 show_stat("NRSlu", 5,
629 ifnet.if_collisions - ip->ift_co, 1);
632 ifnet.if_snd.ifq_drops - ip->ift_dr, 1);
634 ip->ift_ip = ifnet.if_ipackets;
635 ip->ift_ie = ifnet.if_ierrors;
636 ip->ift_id = ifnet.if_iqdrops;
637 ip->ift_ib = ifnet.if_ibytes;
638 ip->ift_op = ifnet.if_opackets;
639 ip->ift_oe = ifnet.if_oerrors;
640 ip->ift_ob = ifnet.if_obytes;
641 ip->ift_co = ifnet.if_collisions;
642 ip->ift_dr = ifnet.if_snd.ifq_drops;
653 for (off = firstifnet, ip = iftot;
654 off && SLIST_NEXT(ip, chain) != NULL;
655 ip = SLIST_NEXT(ip, chain)) {
656 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0) {
660 sum->ift_ip += ifnet.if_ipackets;
661 sum->ift_ie += ifnet.if_ierrors;
662 sum->ift_id += ifnet.if_iqdrops;
663 sum->ift_ib += ifnet.if_ibytes;
664 sum->ift_op += ifnet.if_opackets;
665 sum->ift_oe += ifnet.if_oerrors;
666 sum->ift_ob += ifnet.if_obytes;
667 sum->ift_co += ifnet.if_collisions;
668 sum->ift_dr += ifnet.if_snd.ifq_drops;
669 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
672 show_stat("lu", 10, sum->ift_ip - total->ift_ip, 1);
673 show_stat("lu", 5, sum->ift_ie - total->ift_ie, 1);
674 show_stat("lu", 5, sum->ift_id - total->ift_id, 1);
675 show_stat("lu", 10, sum->ift_ib - total->ift_ib, 1);
676 show_stat("lu", 10, sum->ift_op - total->ift_op, 1);
677 show_stat("lu", 5, sum->ift_oe - total->ift_oe, 1);
678 show_stat("lu", 10, sum->ift_ob - total->ift_ob, 1);
679 show_stat("NRSlu", 5, sum->ift_co - total->ift_co, 1);
682 sum->ift_dr - total->ift_dr, 1);
689 if ((noutputs != 0) && (--noutputs == 0))
691 oldmask = sigblock(sigmask(SIGALRM));
706 * Set a flag to indicate that a signal from the periodic itimer has been
710 catchalarm(int signo __unused)