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 * 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
32 static char sccsid[] = "@(#)if.c 8.3 (Berkeley) 4/28/95";
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #include <sys/types.h>
40 #include <sys/protosw.h>
41 #include <sys/socket.h>
42 #include <sys/socketvar.h>
43 #include <sys/sysctl.h>
47 #include <net/if_var.h>
48 #include <net/if_dl.h>
49 #include <net/if_types.h>
50 #include <net/ethernet.h>
51 #include <net/pfvar.h>
52 #include <net/if_pfsync.h>
53 #include <netinet/in.h>
54 #include <netinet/in_var.h>
55 #include <netipx/ipx.h>
56 #include <netipx/ipx_if.h>
57 #include <arpa/inet.h>
77 static void sidewaysintpr(int, u_long);
78 static void catchalarm(int);
81 static char addr_buf[NI_MAXHOST]; /* for getnameinfo() */
85 * Dump pfsync statistics structure.
88 pfsync_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
90 struct pfsyncstats pfsyncstat, zerostat;
91 size_t len = sizeof(struct pfsyncstats);
95 memset(&zerostat, 0, len);
96 if (sysctlbyname("net.inet.pfsync.stats", &pfsyncstat, &len,
97 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
99 warn("sysctl: net.inet.pfsync.stats");
103 kread(off, &pfsyncstat, len);
105 printf("%s:\n", name);
107 #define p(f, m) if (pfsyncstat.f || sflag <= 1) \
108 printf(m, (uintmax_t)pfsyncstat.f, plural(pfsyncstat.f))
109 #define p2(f, m) if (pfsyncstat.f || sflag <= 1) \
110 printf(m, (uintmax_t)pfsyncstat.f)
112 p(pfsyncs_ipackets, "\t%ju packet%s received (IPv4)\n");
113 p(pfsyncs_ipackets6, "\t%ju packet%s received (IPv6)\n");
114 p(pfsyncs_badif, "\t\t%ju packet%s discarded for bad interface\n");
115 p(pfsyncs_badttl, "\t\t%ju packet%s discarded for bad ttl\n");
116 p(pfsyncs_hdrops, "\t\t%ju packet%s shorter than header\n");
117 p(pfsyncs_badver, "\t\t%ju packet%s discarded for bad version\n");
118 p(pfsyncs_badauth, "\t\t%ju packet%s discarded for bad HMAC\n");
119 p(pfsyncs_badact,"\t\t%ju packet%s discarded for bad action\n");
120 p(pfsyncs_badlen, "\t\t%ju packet%s discarded for short packet\n");
121 p(pfsyncs_badval, "\t\t%ju state%s discarded for bad values\n");
122 p(pfsyncs_stale, "\t\t%ju stale state%s\n");
123 p(pfsyncs_badstate, "\t\t%ju failed state lookup/insert%s\n");
124 p(pfsyncs_opackets, "\t%ju packet%s sent (IPv4)\n");
125 p(pfsyncs_opackets6, "\t%ju packet%s sent (IPv6)\n");
126 p2(pfsyncs_onomem, "\t\t%ju send failed due to mbuf memory error\n");
127 p2(pfsyncs_oerrors, "\t\t%ju send error\n");
133 * Display a formatted value, or a '-' in the same space.
136 show_stat(const char *fmt, int width, u_long value, short showvalue)
138 const char *lsep, *rsep;
142 if (strncmp(fmt, "LS", 2) == 0) {
147 if (strncmp(fmt, "NRS", 3) == 0) {
151 if (showvalue == 0) {
152 /* Print just dash. */
153 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
161 /* Format in human readable form. */
162 humanize_number(buf, sizeof(buf), (int64_t)value, "",
163 HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL);
164 sprintf(newfmt, "%s%%%ds%s", lsep, width, rsep);
167 /* Construct the format string. */
168 sprintf(newfmt, "%s%%%d%s%s", lsep, width, fmt, rsep);
169 printf(newfmt, value);
174 * Print a description of the network interfaces.
177 intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *))
180 struct ifnethead ifnethead;
185 struct in6_ifaddr in6;
187 struct ipx_ifaddr ipx;
203 struct sockaddr *sa = NULL;
208 if (ifnetaddr == 0) {
209 printf("ifnet: symbol not defined\n");
213 sidewaysintpr(interval1, ifnetaddr);
216 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead) != 0)
218 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
219 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
224 printf("%-7.7s", "Name");
226 printf("%-5.5s", "Name");
227 printf(" %5.5s %-13.13s %-17.17s %8.8s %5.5s %5.5s",
228 "Mtu", "Network", "Address", "Ipkts", "Ierrs", "Idrop");
230 printf(" %10.10s","Ibytes");
231 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
233 printf(" %10.10s","Obytes");
234 printf(" %5s", "Coll");
236 printf(" %s", "Drop");
240 while (ifnetaddr || ifaddraddr) {
241 struct sockaddr_in *sockin;
243 struct sockaddr_in6 *sockin6;
251 if (ifaddraddr == 0) {
252 ifnetfound = ifnetaddr;
253 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
255 strlcpy(name, ifnet.if_xname, sizeof(name));
256 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
257 if (interface != 0 && strcmp(name, interface) != 0)
259 cp = index(name, '\0');
266 if ((ifnet.if_flags&IFF_UP) == 0)
269 ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
271 ifaddrfound = ifaddraddr;
274 * Get the interface stats. These may get
275 * overriden below on a per-interface basis.
277 opackets = ifnet.if_opackets;
278 ipackets = ifnet.if_ipackets;
279 obytes = ifnet.if_obytes;
280 ibytes = ifnet.if_ibytes;
281 omcasts = ifnet.if_omcasts;
282 imcasts = ifnet.if_imcasts;
283 oerrors = ifnet.if_oerrors;
284 ierrors = ifnet.if_ierrors;
285 idrops = ifnet.if_iqdrops;
286 collisions = ifnet.if_collisions;
287 drops = ifnet.if_snd.ifq_drops;
289 if (ifaddraddr == 0) {
291 printf("%-7.7s", name);
293 printf("%-5.5s", name);
294 printf(" %5lu ", ifnet.if_mtu);
295 printf("%-13.13s ", "none");
296 printf("%-17.17s ", "none");
298 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)
303 #define CP(x) ((char *)(x))
304 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
306 sa = (struct sockaddr *)cp;
307 if (af != AF_UNSPEC && sa->sa_family != af) {
309 (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
313 printf("%-7.7s", name);
315 printf("%-5.5s", name);
316 printf(" %5lu ", ifnet.if_mtu);
317 switch (sa->sa_family) {
319 printf("%-13.13s ", "none");
320 printf("%-15.15s ", "none");
323 sockin = (struct sockaddr_in *)sa;
325 /* can't use inet_makeaddr because kernel
326 * keeps nets unshifted.
328 in = inet_makeaddr(ifaddr.in.ia_subnet,
330 printf("%-13.13s ", netname(in.s_addr,
331 ifaddr.in.ia_subnetmask));
334 netname(htonl(ifaddr.in.ia_subnet),
335 ifaddr.in.ia_subnetmask));
338 routename(sockin->sin_addr.s_addr));
344 sockin6 = (struct sockaddr_in6 *)sa;
345 in6_fillscopeid(&ifaddr.in6.ia_addr);
347 netname6(&ifaddr.in6.ia_addr,
348 &ifaddr.in6.ia_prefixmask.sin6_addr));
349 in6_fillscopeid(sockin6);
350 getnameinfo(sa, sa->sa_len, addr_buf,
351 sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
352 printf("%-17.17s ", addr_buf);
359 struct sockaddr_ipx *sipx =
360 (struct sockaddr_ipx *)sa;
364 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
365 sprintf(netnum, "%lx", (u_long)ntohl(net));
366 printf("ipx:%-8s ", netnum);
367 /* printf("ipx:%-8s ", netname(net, 0L)); */
369 ipx_phost((struct sockaddr *)sipx));
376 printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
377 printf("%-11.11s ",atalk_print(sa,0x0b) );
381 struct sockaddr_dl *sdl =
382 (struct sockaddr_dl *)sa;
384 cp = (char *)LLADDR(sdl);
386 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
387 m = printf("%-13.13s ", linknum);
391 m = printf("(%d)", sa->sa_family);
392 for (cp = sa->sa_len + (char *)sa;
393 --cp > sa->sa_data && (*cp == 0);) {}
394 n = cp - sa->sa_data + 1;
397 while ((--n >= 0) && (m < 30))
398 m += printf("%02x%c", *cp++ & 0xff,
409 * Fixup the statistics for interfaces that
410 * update stats for their network addresses
413 opackets = ifaddr.in.ia_ifa.if_opackets;
414 ipackets = ifaddr.in.ia_ifa.if_ipackets;
415 obytes = ifaddr.in.ia_ifa.if_obytes;
416 ibytes = ifaddr.in.ia_ifa.if_ibytes;
419 ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
422 show_stat("lu", 8, ipackets, link_layer|network_layer);
423 show_stat("lu", 5, ierrors, link_layer);
424 show_stat("lu", 5, idrops, link_layer);
426 show_stat("lu", 10, ibytes, link_layer|network_layer);
428 show_stat("lu", 8, opackets, link_layer|network_layer);
429 show_stat("lu", 5, oerrors, link_layer);
431 show_stat("lu", 10, obytes, link_layer|network_layer);
433 show_stat("NRSlu", 5, collisions, link_layer);
435 show_stat("LSd", 4, drops, link_layer);
438 if (aflag && ifaddrfound) {
440 * Print family's multicast addresses
442 struct ifmultiaddr *multiaddr;
443 struct ifmultiaddr ifma;
446 struct sockaddr_in in;
448 struct sockaddr_in6 in6;
450 struct sockaddr_dl dl;
454 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
455 if (kread((u_long)multiaddr, (char *)&ifma,
459 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
462 if (msa.sa.sa_family != sa->sa_family)
466 switch (msa.sa.sa_family) {
468 fmt = routename(msa.in.sin_addr.s_addr);
472 in6_fillscopeid(&msa.in6);
473 getnameinfo(&msa.sa, msa.sa.sa_len,
474 addr_buf, sizeof(addr_buf), 0, 0,
476 printf("%*s %-19.19s(refs: %d)\n",
478 addr_buf, ifma.ifma_refcount);
482 switch (msa.dl.sdl_type) {
486 (struct ether_addr *)
493 printf("%*s %-17.17s",
494 Wflag ? 27 : 25, "", fmt);
495 if (msa.sa.sa_family == AF_LINK) {
496 printf(" %8lu", imcasts);
499 printf(" %8lu", omcasts);
509 SLIST_ENTRY(iftot) chain;
510 char ift_name[IFNAMSIZ]; /* interface name */
511 u_long ift_ip; /* input packets */
512 u_long ift_ie; /* input errors */
513 u_long ift_id; /* input drops */
514 u_long ift_op; /* output packets */
515 u_long ift_oe; /* output errors */
516 u_long ift_co; /* collisions */
517 u_int ift_dr; /* drops */
518 u_long ift_ib; /* input bytes */
519 u_long ift_ob; /* output bytes */
522 u_char signalled; /* set if alarm goes off "early" */
525 * Print a running summary of interface statistics.
526 * Repeat display every interval1 seconds, showing statistics
527 * collected over that interval. Assumes that interval1 is non-zero.
528 * First line printed at top of screen is always cumulative.
529 * XXX - should be rewritten to use ifmib(4).
532 sidewaysintpr(int interval1, u_long off)
536 struct ifnethead ifnethead;
537 struct itimerval interval_it;
538 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
541 u_long interesting_off;
543 if (kread(off, (char *)&ifnethead, sizeof ifnethead) != 0)
545 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
547 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
548 printf("malloc failed\n");
551 memset(iftot, 0, sizeof(struct iftot));
555 for (off = firstifnet, ip = iftot; off;) {
558 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0)
560 strlcpy(name, ifnet.if_xname, sizeof(name));
561 if (interface && strcmp(name, interface) == 0) {
563 interesting_off = off;
565 snprintf(ip->ift_name, sizeof(ip->ift_name), "(%s)", name);
566 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
567 printf("malloc failed\n");
570 memset(ipn, 0, sizeof(struct iftot));
571 SLIST_NEXT(ip, chain) = ipn;
573 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
575 if (interface && interesting == NULL)
576 errx(1, "%s: unknown interface", interface);
577 if ((total = malloc(sizeof(struct iftot))) == NULL) {
578 printf("malloc failed\n");
581 memset(total, 0, sizeof(struct iftot));
582 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
583 printf("malloc failed\n");
586 memset(sum, 0, sizeof(struct iftot));
588 (void)signal(SIGALRM, catchalarm);
590 interval_it.it_interval.tv_sec = interval1;
591 interval_it.it_interval.tv_usec = 0;
592 interval_it.it_value = interval_it.it_interval;
593 setitimer(ITIMER_REAL, &interval_it, NULL);
596 printf("%17s %14s %16s", "input",
597 interesting ? interesting->ift_name : "(Total)", "output");
599 printf("%10s %5s %5s %10s %10s %5s %10s %5s",
600 "packets", "errs", "idrops", "bytes", "packets", "errs", "bytes",
603 printf(" %5.5s", "drops");
608 if (interesting != NULL) {
610 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet) != 0) {
615 show_stat("lu", 10, ifnet.if_ipackets - ip->ift_ip, 1);
616 show_stat("lu", 5, ifnet.if_ierrors - ip->ift_ie, 1);
617 show_stat("lu", 5, ifnet.if_iqdrops - ip->ift_id, 1);
618 show_stat("lu", 10, ifnet.if_ibytes - ip->ift_ib, 1);
619 show_stat("lu", 10, ifnet.if_opackets - ip->ift_op, 1);
620 show_stat("lu", 5, ifnet.if_oerrors - ip->ift_oe, 1);
621 show_stat("lu", 10, ifnet.if_obytes - ip->ift_ob, 1);
622 show_stat("NRSlu", 5,
623 ifnet.if_collisions - ip->ift_co, 1);
626 ifnet.if_snd.ifq_drops - ip->ift_dr, 1);
628 ip->ift_ip = ifnet.if_ipackets;
629 ip->ift_ie = ifnet.if_ierrors;
630 ip->ift_id = ifnet.if_iqdrops;
631 ip->ift_ib = ifnet.if_ibytes;
632 ip->ift_op = ifnet.if_opackets;
633 ip->ift_oe = ifnet.if_oerrors;
634 ip->ift_ob = ifnet.if_obytes;
635 ip->ift_co = ifnet.if_collisions;
636 ip->ift_dr = ifnet.if_snd.ifq_drops;
647 for (off = firstifnet, ip = iftot;
648 off && SLIST_NEXT(ip, chain) != NULL;
649 ip = SLIST_NEXT(ip, chain)) {
650 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0) {
654 sum->ift_ip += ifnet.if_ipackets;
655 sum->ift_ie += ifnet.if_ierrors;
656 sum->ift_id += ifnet.if_iqdrops;
657 sum->ift_ib += ifnet.if_ibytes;
658 sum->ift_op += ifnet.if_opackets;
659 sum->ift_oe += ifnet.if_oerrors;
660 sum->ift_ob += ifnet.if_obytes;
661 sum->ift_co += ifnet.if_collisions;
662 sum->ift_dr += ifnet.if_snd.ifq_drops;
663 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
666 show_stat("lu", 10, sum->ift_ip - total->ift_ip, 1);
667 show_stat("lu", 5, sum->ift_ie - total->ift_ie, 1);
668 show_stat("lu", 5, sum->ift_id - total->ift_id, 1);
669 show_stat("lu", 10, sum->ift_ib - total->ift_ib, 1);
670 show_stat("lu", 10, sum->ift_op - total->ift_op, 1);
671 show_stat("lu", 5, sum->ift_oe - total->ift_oe, 1);
672 show_stat("lu", 10, sum->ift_ob - total->ift_ob, 1);
673 show_stat("NRSlu", 5, sum->ift_co - total->ift_co, 1);
676 sum->ift_dr - total->ift_dr, 1);
683 if ((noutputs != 0) && (--noutputs == 0))
685 oldmask = sigblock(sigmask(SIGALRM));
700 * Set a flag to indicate that a signal from the periodic itimer has been
704 catchalarm(int signo __unused)