?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Bring in an errno.9 manual page (based on NetBSD's).
[dragonfly.git] / usr.bin / netstat / if.c
blobbe34b4e9855799f88c605ff7295ea5418a68b9e3
1 /*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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. 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.
16 *
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
27 * SUCH DAMAGE.
28 *
29 * @(#)if.c 8.3 (Berkeley) 4/28/95
30 * $FreeBSD: src/usr.bin/netstat/if.c,v 1.32.2.9 2001/09/17 14:35:46 ru Exp $
31 */
32
33 #define _KERNEL_STRUCTURES
34 #include <sys/param.h>
35 #include <sys/protosw.h>
36 #include <sys/socket.h>
37 #include <sys/sysctl.h>
38 #include <sys/time.h>
39
40 #include <net/if.h>
41 #include <net/if_var.h>
42 #include <net/if_dl.h>
43 #include <net/if_types.h>
44 #include <net/ethernet.h>
45 #include <netinet/in.h>
46 #include <netinet/in_var.h>
47 #include <arpa/inet.h>
48
49 #include <libutil.h>
50 #include <signal.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <unistd.h>
55
56 #include "netstat.h"
57
58 #define YES 1
59 #define NO 0
60
61 static void sidewaysintpr (u_int, u_long, int);
62 static void catchalarm (int);
63
64 #ifdef INET6
65 static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */
66 #endif
67
68
69 /*
70 * Display a formatted value, or a '-' in the same space.
71 */
72 static void
73 show_stat(const char *fmt, int width, u_long value, short showvalue)
74 {
75 char newfmt[32];
76
77 if (! showvalue) {
78 /* no value, just the dash */
79 sprintf(newfmt, "%%%ds", width);
80 printf(newfmt, "-");
81 return;
82 }
83
84 if (hflag) { /* human-readable */
85 char buf[5];
86 humanize_number(buf, sizeof buf, (int64_t) value, "",
87 HN_AUTOSCALE,
88 HN_NOSPACE | HN_DECIMAL);
89 sprintf(newfmt, "%%%ds", width);
90 printf(newfmt, buf);
91 } else {
92 sprintf(newfmt, "%%%d%s", width, fmt);
93 printf(newfmt, value);
94 }
95 }
96
97
98
99 /*
100 * Print a description of the network interfaces.
101 */
102 void
103 intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *), u_long ncpusaddr)
104 {
105 struct ifnet ifnet;
106 struct ifdata_pcpu ifdata;
107 struct ifaddr_container ifac;
108 struct ifnethead ifnethead;
109 union {
110 struct ifaddr ifa;
111 struct in_ifaddr in;
112 #ifdef INET6
113 struct in6_ifaddr in6;
114 #endif
115 } ifaddr;
116 u_long ifaddraddr;
117 u_long ifaddrcont_addr;
118 u_long ifaddrfound;
119 u_long ifdataaddr;
120 u_long opackets;
121 u_long ipackets;
122 u_long obytes;
123 u_long ibytes;
124 u_long oerrors;
125 u_long ierrors;
126 u_long collisions;
127 u_long oqdrops;
128 short timer;
129 struct sockaddr *sa = NULL;
130 char name[IFNAMSIZ];
131 short network_layer;
132 short link_layer;
133 int ncpus;
134
135 if (kread(ncpusaddr, (char *)&ncpus, sizeof(ncpus)))
136 return;
137
138 if (ifnetaddr == 0) {
139 printf("ifnet: symbol not defined\n");
140 return;
141 }
142 if (interval1) {
143 sidewaysintpr((unsigned)interval1, ifnetaddr, ncpus);
144 return;
145 }
146 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead))
147 return;
148 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
149 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
150 return;
151
152 if (!pfunc) {
153 printf("%-7.7s %-5.5s %-13.13s %-15.15s %8.8s %5.5s",
154 "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs");
155 if (bflag)
156 printf(" %10.10s","Ibytes");
157 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
158 if (bflag)
159 printf(" %10.10s","Obytes");
160 printf(" %5s", "Coll");
161 if (tflag)
162 printf(" %s", "Time");
163 if (dflag)
164 printf(" %s", "Drop");
165 putchar('\n');
166 }
167 ifaddraddr = 0;
168 ifaddrcont_addr = 0;
169 while (ifnetaddr || ifaddraddr) {
170 struct sockaddr_in *sin;
171 #ifdef INET6
172 struct sockaddr_in6 *sin6;
173 #endif
174 char *cp;
175 int n, m, cpu;
176
177 network_layer = 0;
178 link_layer = 0;
179
180 if (ifaddraddr == 0) {
181 struct ifaddrhead head;
182
183 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
184 return;
185 strlcpy(name, ifnet.if_xname, sizeof(name));
186 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
187 if (interface != 0 && (strcmp(name, interface) != 0))
188 continue;
189 cp = strchr(name, '\0');
190
191 if (pfunc) {
192 (*pfunc)(name);
193 continue;
194 }
195
196 if ((ifnet.if_flags&IFF_UP) == 0)
197 *cp++ = '*';
198 *cp = '\0';
199
200 if (kread((u_long)ifnet.if_addrheads,
201 (char *)&head, sizeof(head)))
202 return;
203
204 ifaddrcont_addr =
205 (u_long)TAILQ_FIRST(&head);
206 if (ifaddrcont_addr == 0) {
207 ifaddraddr = 0;
208 } else {
209 if (kread(ifaddrcont_addr, (char *)&ifac,
210 sizeof(ifac)))
211 return;
212 ifaddraddr = (u_long)ifac.ifa;
213 }
214 }
215 ifaddrfound = ifaddraddr;
216
217 /*
218 * Get the interface stats. These may get
219 * overridden below on a per-interface basis.
220 */
221 ifdataaddr = (u_long)ifnet.if_data_pcpu;
222 if (kread(ifdataaddr, (char *)&ifdata, sizeof(ifdata)))
223 return;
224 opackets = ifdata.ifd_opackets;
225 ipackets = ifdata.ifd_ipackets;
226 obytes = ifdata.ifd_obytes;
227 ibytes = ifdata.ifd_ibytes;
228 oerrors = ifdata.ifd_oerrors;
229 ierrors = ifdata.ifd_ierrors;
230 collisions = ifdata.ifd_collisions;
231 oqdrops = ifdata.ifd_oqdrops;
232
233 for (cpu = 1; cpu < ncpus; ++cpu) {
234 if (kread(ifdataaddr + (cpu * sizeof(ifdata)),
235 (char *)&ifdata, sizeof(ifdata)))
236 return;
237 opackets += ifdata.ifd_opackets;
238 ipackets += ifdata.ifd_ipackets;
239 obytes += ifdata.ifd_obytes;
240 ibytes += ifdata.ifd_ibytes;
241 oerrors += ifdata.ifd_oerrors;
242 ierrors += ifdata.ifd_ierrors;
243 collisions += ifdata.ifd_collisions;
244 oqdrops += ifdata.ifd_oqdrops;
245 }
246
247 timer = ifnet.if_timer;
248
249 if (ifaddraddr == 0) {
250 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
251 printf("%-13.13s ", "none");
252 printf("%-15.15s ", "none");
253 } else {
254 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
255 ifaddraddr = 0;
256 continue;
257 }
258
259 ifaddr.ifa.if_ipackets = ifac.ifa_ipackets;
260 ifaddr.ifa.if_ibytes = ifac.ifa_ibytes;
261 ifaddr.ifa.if_opackets = ifac.ifa_opackets;
262 ifaddr.ifa.if_obytes = ifac.ifa_obytes;
263 for (cpu = 1; cpu < ncpus; ++cpu) {
264 struct ifaddr_container nifac;
265
266 if (kread(ifaddrcont_addr +
267 (cpu * sizeof(nifac)),
268 (char *)&nifac, sizeof(nifac))) {
269 ifaddraddr = 0;
270 continue;
271 }
272 ifaddr.ifa.if_ipackets += nifac.ifa_ipackets;
273 ifaddr.ifa.if_ibytes += nifac.ifa_ibytes;
274 ifaddr.ifa.if_opackets += nifac.ifa_opackets;
275 ifaddr.ifa.if_obytes += nifac.ifa_obytes;
276 }
277
278 #define CP(x) ((char *)(x))
279 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
280 CP(&ifaddr);
281 sa = (struct sockaddr *)cp;
282 if (af != AF_UNSPEC && sa->sa_family != af) {
283 ifaddrcont_addr =
284 (u_long)TAILQ_NEXT(&ifac, ifa_link);
285 if (ifaddrcont_addr == 0) {
286 ifaddraddr = 0;
287 } else {
288 if (kread(ifaddrcont_addr,
289 (char *)&ifac, sizeof(ifac))) {
290 ifaddraddr = 0;
291 continue;
292 }
293 ifaddraddr = (u_long)ifac.ifa;
294 }
295 continue;
296 }
297 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
298 switch (sa->sa_family) {
299 case AF_UNSPEC:
300 printf("%-13.13s ", "none");
301 printf("%-15.15s ", "none");
302 break;
303 case AF_INET:
304 sin = (struct sockaddr_in *)sa;
305 #ifdef notdef
306 /* can't use inet_makeaddr because kernel
307 * keeps nets unshifted.
308 */
309 in = inet_makeaddr(ifaddr.in.ia_subnet,
310 INADDR_ANY);
311 printf("%-13.13s ", netname(in.s_addr,
312 ifaddr.in.ia_subnetmask));
313 #else
314 printf("%-13.13s ",
315 netname(htonl(ifaddr.in.ia_subnet),
316 ifaddr.in.ia_subnetmask));
317 #endif
318 printf("%-15.15s ",
319 routename(sin->sin_addr.s_addr));
320
321 network_layer = 1;
322 break;
323 #ifdef INET6
324 case AF_INET6:
325 sin6 = (struct sockaddr_in6 *)sa;
326 printf("%-11.11s ",
327 netname6(&ifaddr.in6.ia_addr,
328 &ifaddr.in6.ia_prefixmask.sin6_addr));
329 printf("%-17.17s ",
330 inet_ntop(AF_INET6,
331 &sin6->sin6_addr,
332 ntop_buf, sizeof(ntop_buf)));
333
334 network_layer = 1;
335 break;
336 #endif /*INET6*/
337 case AF_LINK:
338 {
339 struct sockaddr_dl *sdl =
340 (struct sockaddr_dl *)sa;
341 char linknum[10];
342 cp = (char *)LLADDR(sdl);
343 n = sdl->sdl_alen;
344 sprintf(linknum, "<Link#%hu>", sdl->sdl_index);
345 m = printf("%-11.11s ", linknum);
346 }
347 goto hexprint;
348 default:
349 m = printf("(%d)", sa->sa_family);
350 for (cp = sa->sa_len + (char *)sa;
351 --cp > sa->sa_data && (*cp == 0);) {}
352 n = cp - sa->sa_data + 1;
353 cp = sa->sa_data;
354 hexprint:
355 while (--n >= 0)
356 m += printf("%02x%c", *cp++ & 0xff,
357 n > 0 ? ':' : ' ');
358 m = 30 - m;
359 while (m-- > 0)
360 putchar(' ');
361
362 link_layer = 1;
363 break;
364 }
365
366 /*
367 * Fixup the statistics for interfaces that
368 * update stats for their network addresses
369 */
370 if (network_layer) {
371 opackets = ifaddr.ifa.if_opackets;
372 ipackets = ifaddr.ifa.if_ipackets;
373 obytes = ifaddr.ifa.if_obytes;
374 ibytes = ifaddr.ifa.if_ibytes;
375 }
376
377 ifaddrcont_addr =
378 (u_long)TAILQ_NEXT(&ifac, ifa_link);
379 if (ifaddrcont_addr == 0) {
380 ifaddraddr = 0;
381 } else {
382 if (kread(ifaddrcont_addr,
383 (char *)&ifac, sizeof(ifac))) {
384 ifaddraddr = 0;
385 } else {
386 ifaddraddr = (u_long)ifac.ifa;
387 }
388 }
389 }
390
391 show_stat("lu", 8, ipackets, link_layer|network_layer);
392 printf(" ");
393 show_stat("lu", 5, ierrors, link_layer);
394 printf(" ");
395 if (bflag) {
396 show_stat("lu", 10, ibytes, link_layer|network_layer);
397 printf(" ");
398 }
399 show_stat("lu", 8, opackets, link_layer|network_layer);
400 printf(" ");
401 show_stat("lu", 5, oerrors, link_layer);
402 printf(" ");
403 if (bflag) {
404 show_stat("lu", 10, obytes, link_layer|network_layer);
405 printf(" ");
406 }
407 show_stat("lu", 5, collisions, link_layer);
408 if (tflag) {
409 printf(" ");
410 show_stat("d", 3, timer, link_layer);
411 }
412 if (dflag) {
413 printf(" ");
414 show_stat("lu", 5, oqdrops, link_layer);
415 }
416 putchar('\n');
417 if (aflag && ifaddrfound) {
418 /*
419 * Print family's multicast addresses
420 */
421 struct ifmultiaddr *multiaddr;
422 struct ifmultiaddr ifma;
423 union {
424 struct sockaddr sa;
425 struct sockaddr_in in;
426 #ifdef INET6
427 struct sockaddr_in6 in6;
428 #endif /* INET6 */
429 struct sockaddr_dl dl;
430 } msa;
431 const char *fmt;
432
433 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
434 if (kread((u_long)multiaddr, (char *)&ifma,
435 sizeof ifma))
436 break;
437 multiaddr = &ifma;
438 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
439 sizeof msa))
440 break;
441 if (msa.sa.sa_family != sa->sa_family)
442 continue;
443
444 fmt = NULL;
445 switch (msa.sa.sa_family) {
446 case AF_INET:
447 fmt = routename(msa.in.sin_addr.s_addr);
448 break;
449 #ifdef INET6
450 case AF_INET6:
451 printf("%23s %-19.19s(refs: %d)\n", "",
452 inet_ntop(AF_INET6,
453 &msa.in6.sin6_addr,
454 ntop_buf,
455 sizeof(ntop_buf)),
456 ifma.ifma_refcount);
457 break;
458 #endif /* INET6 */
459 case AF_LINK:
460 switch (msa.dl.sdl_type) {
461 case IFT_ETHER:
462 case IFT_FDDI:
463 fmt = ether_ntoa(
464 (struct ether_addr *)
465 LLADDR(&msa.dl));
466 break;
467 }
468 break;
469 }
470 if (fmt)
471 printf("%23s %s\n", "", fmt);
472 }
473 }
474 }
475 }
476
477 struct iftot {
478 SLIST_ENTRY(iftot) chain;
479 char ift_name[IFNAMSIZ]; /* interface name */
480 u_long ift_ip; /* input packets */
481 u_long ift_ie; /* input errors */
482 u_long ift_op; /* output packets */
483 u_long ift_oe; /* output errors */
484 u_long ift_co; /* collisions */
485 u_long ift_dr; /* drops */
486 u_long ift_ib; /* input bytes */
487 u_long ift_ob; /* output bytes */
488 };
489
490 u_char signalled; /* set if alarm goes off "early" */
491
492 /*
493 * Print a running summary of interface statistics.
494 * Repeat display every interval1 seconds, showing statistics
495 * collected over that interval. Assumes that interval1 is non-zero.
496 * First line printed at top of screen is always cumulative.
497 * XXX - should be rewritten to use ifmib(4).
498 */
499 static void
500 sidewaysintpr(unsigned interval1, u_long off, int ncpus)
501 {
502 struct ifnet ifnet;
503 u_long firstifnet;
504 struct ifnethead ifnethead;
505 struct ifdata_pcpu ifdata;
506 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
507 int line, cpu;
508 int oldmask, first;
509 u_long interesting_off;
510 u_long ifdata_addr;
511
512 if (kread(off, (char *)&ifnethead, sizeof ifnethead))
513 return;
514 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
515
516 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
517 printf("malloc failed\n");
518 exit(1);
519 }
520 memset(iftot, 0, sizeof(struct iftot));
521
522 interesting = NULL;
523 interesting_off = 0;
524 for (off = firstifnet, ip = iftot; off;) {
525 char name[IFNAMSIZ];
526
527 if (kread(off, (char *)&ifnet, sizeof ifnet))
528 break;
529 strlcpy(name, ifnet.if_xname, sizeof(name));
530 if (interface && strcmp(name, interface) == 0) {
531 interesting = ip;
532 interesting_off = off;
533 }
534 snprintf(ip->ift_name, 16, "(%.13s)", name);
535 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
536 printf("malloc failed\n");
537 exit(1);
538 }
539 memset(ipn, 0, sizeof(struct iftot));
540 SLIST_NEXT(ip, chain) = ipn;
541 ip = ipn;
542 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
543 }
544 if ((total = malloc(sizeof(struct iftot))) == NULL) {
545 printf("malloc failed\n");
546 exit(1);
547 }
548 memset(total, 0, sizeof(struct iftot));
549 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
550 printf("malloc failed\n");
551 exit(1);
552 }
553 memset(sum, 0, sizeof(struct iftot));
554
555
556 (void)signal(SIGALRM, catchalarm);
557 signalled = NO;
558 (void)alarm(interval1);
559 first = 1;
560 banner:
561 printf("%17s %14s %16s", "input",
562 interesting ? interesting->ift_name : "(Total)", "output");
563 putchar('\n');
564 printf("%10s %5s %10s %10s %5s %10s %5s",
565 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
566 if (dflag)
567 printf(" %5.5s", "drops");
568 putchar('\n');
569 fflush(stdout);
570 line = 0;
571 loop:
572 if (interesting != NULL) {
573 ip = interesting;
574 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
575 printf("???\n");
576 exit(1);
577 }
578
579 ifdata_addr = (u_long)ifnet.if_data_pcpu;
580 if (kread(ifdata_addr, (char *)&ifdata, sizeof(ifdata))) {
581 printf("ifdata 1\n");
582 exit(1);
583 }
584 ifnet.if_ipackets = ifdata.ifd_ipackets;
585 ifnet.if_ierrors = ifdata.ifd_ierrors;
586 ifnet.if_ibytes = ifdata.ifd_ibytes;
587 ifnet.if_opackets = ifdata.ifd_opackets;
588 ifnet.if_oerrors = ifdata.ifd_oerrors;
589 ifnet.if_obytes = ifdata.ifd_obytes;
590 ifnet.if_collisions = ifdata.ifd_collisions;
591 ifnet.if_oqdrops = ifdata.ifd_oqdrops;
592
593 for (cpu = 1; cpu < ncpus; ++cpu) {
594 if (kread(ifdata_addr + (cpu * sizeof(ifdata)),
595 (char *)&ifdata, sizeof(ifdata))) {
596 printf("ifdata 2\n");
597 exit(1);
598 }
599 ifnet.if_ipackets += ifdata.ifd_ipackets;
600 ifnet.if_ierrors += ifdata.ifd_ierrors;
601 ifnet.if_ibytes += ifdata.ifd_ibytes;
602 ifnet.if_opackets += ifdata.ifd_opackets;
603 ifnet.if_oerrors += ifdata.ifd_oerrors;
604 ifnet.if_obytes += ifdata.ifd_obytes;
605 ifnet.if_collisions += ifdata.ifd_collisions;
606 ifnet.if_oqdrops += ifdata.ifd_oqdrops;
607 }
608
609 if (!first) {
610 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
611 ifnet.if_ipackets - ip->ift_ip,
612 ifnet.if_ierrors - ip->ift_ie,
613 ifnet.if_ibytes - ip->ift_ib,
614 ifnet.if_opackets - ip->ift_op,
615 ifnet.if_oerrors - ip->ift_oe,
616 ifnet.if_obytes - ip->ift_ob,
617 ifnet.if_collisions - ip->ift_co);
618 if (dflag)
619 printf(" %5lu", ifnet.if_oqdrops - ip->ift_dr);
620 }
621 ip->ift_ip = ifnet.if_ipackets;
622 ip->ift_ie = ifnet.if_ierrors;
623 ip->ift_ib = ifnet.if_ibytes;
624 ip->ift_op = ifnet.if_opackets;
625 ip->ift_oe = ifnet.if_oerrors;
626 ip->ift_ob = ifnet.if_obytes;
627 ip->ift_co = ifnet.if_collisions;
628 ip->ift_dr = ifnet.if_oqdrops;
629 } else {
630 sum->ift_ip = 0;
631 sum->ift_ie = 0;
632 sum->ift_ib = 0;
633 sum->ift_op = 0;
634 sum->ift_oe = 0;
635 sum->ift_ob = 0;
636 sum->ift_co = 0;
637 sum->ift_dr = 0;
638 for (off = firstifnet, ip = iftot;
639 off && SLIST_NEXT(ip, chain) != NULL;
640 ip = SLIST_NEXT(ip, chain)) {
641 if (kread(off, (char *)&ifnet, sizeof ifnet)) {
642 off = 0;
643 continue;
644 }
645
646 ifdata_addr = (u_long)ifnet.if_data_pcpu;
647 if (kread(ifdata_addr, (char *)&ifdata,
648 sizeof(ifdata))) {
649 printf("ifdata 3\n");
650 exit(1);
651 }
652 ifnet.if_ipackets = ifdata.ifd_ipackets;
653 ifnet.if_ierrors = ifdata.ifd_ierrors;
654 ifnet.if_ibytes = ifdata.ifd_ibytes;
655 ifnet.if_opackets = ifdata.ifd_opackets;
656 ifnet.if_oerrors = ifdata.ifd_oerrors;
657 ifnet.if_obytes = ifdata.ifd_obytes;
658 ifnet.if_collisions = ifdata.ifd_collisions;
659 ifnet.if_oqdrops = ifdata.ifd_oqdrops;
660
661 for (cpu = 1; cpu < ncpus; ++cpu) {
662 if (kread(ifdata_addr + (cpu * sizeof(ifdata)),
663 (char *)&ifdata, sizeof(ifdata))) {
664 printf("ifdata 2\n");
665 exit(1);
666 }
667 ifnet.if_ipackets += ifdata.ifd_ipackets;
668 ifnet.if_ierrors += ifdata.ifd_ierrors;
669 ifnet.if_ibytes += ifdata.ifd_ibytes;
670 ifnet.if_opackets += ifdata.ifd_opackets;
671 ifnet.if_oerrors += ifdata.ifd_oerrors;
672 ifnet.if_obytes += ifdata.ifd_obytes;
673 ifnet.if_collisions += ifdata.ifd_collisions;
674 ifnet.if_oqdrops += ifdata.ifd_oqdrops;
675 }
676
677 /*
678 * Don't double-count interfaces that are associated
679 * with bridges, they will be rolled up by the
680 * bridge. Errors and collisions are not rolled up.
681 */
682 if (ifnet.if_bridge) {
683 sum->ift_ie += ifnet.if_ierrors;
684 sum->ift_oe += ifnet.if_oerrors;
685 sum->ift_co += ifnet.if_collisions;
686 } else {
687 sum->ift_ip += ifnet.if_ipackets;
688 sum->ift_ie += ifnet.if_ierrors;
689 sum->ift_ib += ifnet.if_ibytes;
690 sum->ift_op += ifnet.if_opackets;
691 sum->ift_oe += ifnet.if_oerrors;
692 sum->ift_ob += ifnet.if_obytes;
693 sum->ift_co += ifnet.if_collisions;
694 sum->ift_dr += ifnet.if_oqdrops;
695 }
696 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
697 }
698 if (!first) {
699 /* %10lu %5lu %10lu %10lu %5lu %10lu %5lu */
700 show_stat("lu", 10, sum->ift_ip - total->ift_ip, 1);
701 show_stat("lu", 5+1, sum->ift_ie - total->ift_ie, 1);
702 show_stat("lu", 10+1, sum->ift_ib - total->ift_ib, 1);
703 show_stat("lu", 10+1, sum->ift_op - total->ift_op, 1);
704 show_stat("lu", 5+1, sum->ift_oe - total->ift_oe, 1);
705 show_stat("lu", 10+1, sum->ift_ob - total->ift_ob, 1);
706 show_stat("lu", 5+1, sum->ift_co - total->ift_co, 1);
707 if (dflag)
708 show_stat("u", 5+1, sum->ift_dr - total->ift_dr, 1);
709 }
710 *total = *sum;
711 }
712 if (!first)
713 putchar('\n');
714 fflush(stdout);
715 oldmask = sigblock(sigmask(SIGALRM));
716 if (! signalled) {
717 sigpause(0);
718 }
719 sigsetmask(oldmask);
720 signalled = NO;
721 (void)alarm(interval1);
722 line++;
723 first = 0;
724 if (line == 21)
725 goto banner;
726 else
727 goto loop;
728 /*NOTREACHED*/
729 }
730
731 /*
732 * Called if an interval expires before sidewaysintpr has completed a loop.
733 * Sets a flag to not wait for the alarm.
734 */
735 static void
736 catchalarm(int signo __unused)
737 {
738 signalled = YES;
739 }
DragonFly BSD