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;
204 struct sockaddr *sa = NULL;
209 if (ifnetaddr == 0) {
210 printf("ifnet: symbol not defined\n");
214 sidewaysintpr(interval1, ifnetaddr);
217 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead) != 0)
219 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
220 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
225 printf("%-7.7s", "Name");
227 printf("%-5.5s", "Name");
228 printf(" %5.5s %-13.13s %-17.17s %8.8s %5.5s",
229 "Mtu", "Network", "Address", "Ipkts", "Ierrs");
231 printf(" %10.10s","Ibytes");
232 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
234 printf(" %10.10s","Obytes");
235 printf(" %5s", "Coll");
237 printf(" %s", "Time");
239 printf(" %s", "Drop");
243 while (ifnetaddr || ifaddraddr) {
244 struct sockaddr_in *sockin;
246 struct sockaddr_in6 *sockin6;
254 if (ifaddraddr == 0) {
255 ifnetfound = ifnetaddr;
256 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
258 strlcpy(name, ifnet.if_xname, sizeof(name));
259 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
260 if (interface != 0 && strcmp(name, interface) != 0)
262 cp = index(name, '\0');
269 if ((ifnet.if_flags&IFF_UP) == 0)
272 ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
274 ifaddrfound = ifaddraddr;
277 * Get the interface stats. These may get
278 * overriden below on a per-interface basis.
280 opackets = ifnet.if_opackets;
281 ipackets = ifnet.if_ipackets;
282 obytes = ifnet.if_obytes;
283 ibytes = ifnet.if_ibytes;
284 omcasts = ifnet.if_omcasts;
285 imcasts = ifnet.if_imcasts;
286 oerrors = ifnet.if_oerrors;
287 ierrors = ifnet.if_ierrors;
288 collisions = ifnet.if_collisions;
289 timer = ifnet.if_timer;
290 drops = ifnet.if_snd.ifq_drops;
292 if (ifaddraddr == 0) {
294 printf("%-7.7s", name);
296 printf("%-5.5s", name);
297 printf(" %5lu ", ifnet.if_mtu);
298 printf("%-13.13s ", "none");
299 printf("%-17.17s ", "none");
301 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)
306 #define CP(x) ((char *)(x))
307 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
309 sa = (struct sockaddr *)cp;
310 if (af != AF_UNSPEC && sa->sa_family != af) {
312 (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
316 printf("%-7.7s", name);
318 printf("%-5.5s", name);
319 printf(" %5lu ", ifnet.if_mtu);
320 switch (sa->sa_family) {
322 printf("%-13.13s ", "none");
323 printf("%-15.15s ", "none");
326 sockin = (struct sockaddr_in *)sa;
328 /* can't use inet_makeaddr because kernel
329 * keeps nets unshifted.
331 in = inet_makeaddr(ifaddr.in.ia_subnet,
333 printf("%-13.13s ", netname(in.s_addr,
334 ifaddr.in.ia_subnetmask));
337 netname(htonl(ifaddr.in.ia_subnet),
338 ifaddr.in.ia_subnetmask));
341 routename(sockin->sin_addr.s_addr));
347 sockin6 = (struct sockaddr_in6 *)sa;
349 netname6(&ifaddr.in6.ia_addr,
350 &ifaddr.in6.ia_prefixmask.sin6_addr));
354 ntop_buf, sizeof(ntop_buf)));
361 struct sockaddr_ipx *sipx =
362 (struct sockaddr_ipx *)sa;
366 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
367 sprintf(netnum, "%lx", (u_long)ntohl(net));
368 printf("ipx:%-8s ", netnum);
369 /* printf("ipx:%-8s ", netname(net, 0L)); */
371 ipx_phost((struct sockaddr *)sipx));
378 printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
379 printf("%-11.11s ",atalk_print(sa,0x0b) );
383 struct sockaddr_dl *sdl =
384 (struct sockaddr_dl *)sa;
386 cp = (char *)LLADDR(sdl);
388 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
389 m = printf("%-13.13s ", linknum);
393 m = printf("(%d)", sa->sa_family);
394 for (cp = sa->sa_len + (char *)sa;
395 --cp > sa->sa_data && (*cp == 0);) {}
396 n = cp - sa->sa_data + 1;
400 m += printf("%02x%c", *cp++ & 0xff,
411 * Fixup the statistics for interfaces that
412 * update stats for their network addresses
415 opackets = ifaddr.in.ia_ifa.if_opackets;
416 ipackets = ifaddr.in.ia_ifa.if_ipackets;
417 obytes = ifaddr.in.ia_ifa.if_obytes;
418 ibytes = ifaddr.in.ia_ifa.if_ibytes;
421 ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
424 show_stat("lu", 8, ipackets, link_layer|network_layer);
425 show_stat("lu", 5, ierrors, link_layer);
427 show_stat("lu", 10, ibytes, link_layer|network_layer);
429 show_stat("lu", 8, opackets, link_layer|network_layer);
430 show_stat("lu", 5, oerrors, link_layer);
432 show_stat("lu", 10, obytes, link_layer|network_layer);
434 show_stat("NRSlu", 5, collisions, link_layer);
436 show_stat("LSd", 4, timer, link_layer);
438 show_stat("LSd", 4, drops, link_layer);
441 if (aflag && ifaddrfound) {
443 * Print family's multicast addresses
445 struct ifmultiaddr *multiaddr;
446 struct ifmultiaddr ifma;
449 struct sockaddr_in in;
451 struct sockaddr_in6 in6;
453 struct sockaddr_dl dl;
457 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
458 if (kread((u_long)multiaddr, (char *)&ifma,
462 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
465 if (msa.sa.sa_family != sa->sa_family)
469 switch (msa.sa.sa_family) {
471 fmt = routename(msa.in.sin_addr.s_addr);
475 printf("%*s %-19.19s(refs: %d)\n",
485 switch (msa.dl.sdl_type) {
489 (struct ether_addr *)
496 printf("%*s %-17.17s",
497 Wflag ? 27 : 25, "", fmt);
498 if (msa.sa.sa_family == AF_LINK) {
499 printf(" %8lu", imcasts);
502 printf(" %8lu", omcasts);
512 SLIST_ENTRY(iftot) chain;
513 char ift_name[IFNAMSIZ]; /* interface name */
514 u_long ift_ip; /* input packets */
515 u_long ift_ie; /* input errors */
516 u_long ift_op; /* output packets */
517 u_long ift_oe; /* output errors */
518 u_long ift_co; /* collisions */
519 u_int ift_dr; /* drops */
520 u_long ift_ib; /* input bytes */
521 u_long ift_ob; /* output bytes */
524 u_char signalled; /* set if alarm goes off "early" */
527 * Print a running summary of interface statistics.
528 * Repeat display every interval1 seconds, showing statistics
529 * collected over that interval. Assumes that interval1 is non-zero.
530 * First line printed at top of screen is always cumulative.
531 * XXX - should be rewritten to use ifmib(4).
534 sidewaysintpr(int interval1, u_long off)
538 struct ifnethead ifnethead;
539 struct itimerval interval_it;
540 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
543 u_long interesting_off;
545 if (kread(off, (char *)&ifnethead, sizeof ifnethead) != 0)
547 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
549 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
550 printf("malloc failed\n");
553 memset(iftot, 0, sizeof(struct iftot));
557 for (off = firstifnet, ip = iftot; off;) {
560 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0)
562 strlcpy(name, ifnet.if_xname, sizeof(name));
563 if (interface && strcmp(name, interface) == 0) {
565 interesting_off = off;
567 snprintf(ip->ift_name, sizeof(ip->ift_name), "(%s)", name);;
568 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
569 printf("malloc failed\n");
572 memset(ipn, 0, sizeof(struct iftot));
573 SLIST_NEXT(ip, chain) = ipn;
575 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
577 if (interface && interesting == NULL)
578 errx(1, "%s: unknown interface", interface);
579 if ((total = malloc(sizeof(struct iftot))) == NULL) {
580 printf("malloc failed\n");
583 memset(total, 0, sizeof(struct iftot));
584 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
585 printf("malloc failed\n");
588 memset(sum, 0, sizeof(struct iftot));
590 (void)signal(SIGALRM, catchalarm);
592 interval_it.it_interval.tv_sec = interval1;
593 interval_it.it_interval.tv_usec = 0;
594 interval_it.it_value = interval_it.it_interval;
595 setitimer(ITIMER_REAL, &interval_it, NULL);
598 printf("%17s %14s %16s", "input",
599 interesting ? interesting->ift_name : "(Total)", "output");
601 printf("%10s %5s %10s %10s %5s %10s %5s",
602 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
604 printf(" %5.5s", "drops");
609 if (interesting != NULL) {
611 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet) != 0) {
616 show_stat("lu", 10, ifnet.if_ipackets - ip->ift_ip, 1);
617 show_stat("lu", 5, ifnet.if_ierrors - ip->ift_ie, 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_ib = ifnet.if_ibytes;
631 ip->ift_op = ifnet.if_opackets;
632 ip->ift_oe = ifnet.if_oerrors;
633 ip->ift_ob = ifnet.if_obytes;
634 ip->ift_co = ifnet.if_collisions;
635 ip->ift_dr = ifnet.if_snd.ifq_drops;
645 for (off = firstifnet, ip = iftot;
646 off && SLIST_NEXT(ip, chain) != NULL;
647 ip = SLIST_NEXT(ip, chain)) {
648 if (kread(off, (char *)&ifnet, sizeof ifnet) != 0) {
652 sum->ift_ip += ifnet.if_ipackets;
653 sum->ift_ie += ifnet.if_ierrors;
654 sum->ift_ib += ifnet.if_ibytes;
655 sum->ift_op += ifnet.if_opackets;
656 sum->ift_oe += ifnet.if_oerrors;
657 sum->ift_ob += ifnet.if_obytes;
658 sum->ift_co += ifnet.if_collisions;
659 sum->ift_dr += ifnet.if_snd.ifq_drops;
660 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
663 show_stat("lu", 10, sum->ift_ip - total->ift_ip, 1);
664 show_stat("lu", 5, sum->ift_ie - total->ift_ie, 1);
665 show_stat("lu", 10, sum->ift_ib - total->ift_ib, 1);
666 show_stat("lu", 10, sum->ift_op - total->ift_op, 1);
667 show_stat("lu", 5, sum->ift_oe - total->ift_oe, 1);
668 show_stat("lu", 10, sum->ift_ob - total->ift_ob, 1);
669 show_stat("NRSlu", 5, sum->ift_co - total->ift_co, 1);
672 sum->ift_dr - total->ift_dr, 1);
679 oldmask = sigblock(sigmask(SIGALRM));
694 * Set a flag to indicate that a signal from the periodic itimer has been
698 catchalarm(int signo __unused)