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Remove advertising header from all userland binaries.
[dragonfly.git] / usr.bin / netstat / if.c
blob9671d4daba7cae75d92b64f88b3ed38878dac359
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 * 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.
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 <netproto/ipx/ipx.h>
48 #include <netproto/ipx/ipx_if.h>
49 #ifdef ISO
50 #include <netiso/iso.h>
51 #include <netiso/iso_var.h>
52 #endif
53 #include <arpa/inet.h>
54
55 #include <signal.h>
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <string.h>
59 #include <unistd.h>
60
61 #include "netstat.h"
62
63 #define YES 1
64 #define NO 0
65
66 static void sidewaysintpr (u_int, u_long, int);
67 static void catchalarm (int);
68
69 #ifdef INET6
70 static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */
71 #endif
72
73
74 /*
75 * Display a formatted value, or a '-' in the same space.
76 */
77 static void
78 show_stat(const char *fmt, int width, u_long value, short showvalue)
79 {
80 char newfmt[32];
81
82 /* Construct the format string */
83 if (showvalue) {
84 sprintf(newfmt, "%%%d%s", width, fmt);
85 printf(newfmt, value);
86 } else {
87 sprintf(newfmt, "%%%ds", width);
88 printf(newfmt, "-");
89 }
90 }
91
92
93
94 /*
95 * Print a description of the network interfaces.
96 */
97 void
98 intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *), u_long ncpusaddr)
99 {
100 struct ifnet ifnet;
101 struct ifdata_pcpu ifdata;
102 struct ifaddr_container ifac;
103 struct ifnethead ifnethead;
104 union {
105 struct ifaddr ifa;
106 struct in_ifaddr in;
107 #ifdef INET6
108 struct in6_ifaddr in6;
109 #endif
110 struct ipx_ifaddr ipx;
111 #ifdef ISO
112 struct iso_ifaddr iso;
113 #endif
114 } ifaddr;
115 u_long ifaddraddr;
116 u_long ifaddrcont_addr;
117 u_long ifaddrfound;
118 u_long ifdataaddr;
119 u_long opackets;
120 u_long ipackets;
121 u_long obytes;
122 u_long ibytes;
123 u_long oerrors;
124 u_long ierrors;
125 u_long collisions;
126 short timer;
127 int drops;
128 struct sockaddr *sa = NULL;
129 char name[IFNAMSIZ];
130 short network_layer;
131 short link_layer;
132 int ncpus;
133
134 if (kread(ncpusaddr, (char *)&ncpus, sizeof(ncpus)))
135 return;
136
137 if (ifnetaddr == 0) {
138 printf("ifnet: symbol not defined\n");
139 return;
140 }
141 if (interval1) {
142 sidewaysintpr((unsigned)interval1, ifnetaddr, ncpus);
143 return;
144 }
145 if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead))
146 return;
147 ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
148 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
149 return;
150
151 if (!pfunc) {
152 printf("%-7.7s %-5.5s %-13.13s %-15.15s %8.8s %5.5s",
153 "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs");
154 if (bflag)
155 printf(" %10.10s","Ibytes");
156 printf(" %8.8s %5.5s", "Opkts", "Oerrs");
157 if (bflag)
158 printf(" %10.10s","Obytes");
159 printf(" %5s", "Coll");
160 if (tflag)
161 printf(" %s", "Time");
162 if (dflag)
163 printf(" %s", "Drop");
164 putchar('\n');
165 }
166 ifaddraddr = 0;
167 ifaddrcont_addr = 0;
168 while (ifnetaddr || ifaddraddr) {
169 struct sockaddr_in *sin;
170 #ifdef INET6
171 struct sockaddr_in6 *sin6;
172 #endif
173 char *cp;
174 int n, m, cpu;
175
176 network_layer = 0;
177 link_layer = 0;
178
179 if (ifaddraddr == 0) {
180 struct ifaddrhead head;
181
182 if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet))
183 return;
184 strlcpy(name, ifnet.if_xname, sizeof(name));
185 ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
186 if (interface != 0 && (strcmp(name, interface) != 0))
187 continue;
188 cp = strchr(name, '\0');
189
190 if (pfunc) {
191 (*pfunc)(name);
192 continue;
193 }
194
195 if ((ifnet.if_flags&IFF_UP) == 0)
196 *cp++ = '*';
197 *cp = '\0';
198
199 if (kread((u_long)ifnet.if_addrheads,
200 (char *)&head, sizeof(head)))
201 return;
202
203 ifaddrcont_addr =
204 (u_long)TAILQ_FIRST(&head);
205 if (ifaddrcont_addr == 0) {
206 ifaddraddr = 0;
207 } else {
208 if (kread(ifaddrcont_addr, (char *)&ifac,
209 sizeof(ifac)))
210 return;
211 ifaddraddr = (u_long)ifac.ifa;
212 }
213 }
214 ifaddrfound = ifaddraddr;
215
216 /*
217 * Get the interface stats. These may get
218 * overriden below on a per-interface basis.
219 */
220 ifdataaddr = (u_long)ifnet.if_data_pcpu;
221 if (kread(ifdataaddr, (char *)&ifdata, sizeof(ifdata)))
222 return;
223 opackets = ifdata.ifd_opackets;
224 ipackets = ifdata.ifd_ipackets;
225 obytes = ifdata.ifd_obytes;
226 ibytes = ifdata.ifd_ibytes;
227 oerrors = ifdata.ifd_oerrors;
228 ierrors = ifdata.ifd_ierrors;
229 collisions = ifdata.ifd_collisions;
230
231 for (cpu = 1; cpu < ncpus; ++cpu) {
232 if (kread(ifdataaddr + (cpu * sizeof(ifdata)),
233 (char *)&ifdata, sizeof(ifdata)))
234 return;
235 opackets += ifdata.ifd_opackets;
236 ipackets += ifdata.ifd_ipackets;
237 obytes += ifdata.ifd_obytes;
238 ibytes += ifdata.ifd_ibytes;
239 oerrors += ifdata.ifd_oerrors;
240 ierrors += ifdata.ifd_ierrors;
241 collisions += ifdata.ifd_collisions;
242 }
243
244 timer = ifnet.if_timer;
245 drops = 0;
246
247 if (ifaddraddr == 0) {
248 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
249 printf("%-13.13s ", "none");
250 printf("%-15.15s ", "none");
251 } else {
252 if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) {
253 ifaddraddr = 0;
254 continue;
255 }
256
257 ifaddr.ifa.if_ipackets = ifac.ifa_ipackets;
258 ifaddr.ifa.if_ibytes = ifac.ifa_ibytes;
259 ifaddr.ifa.if_opackets = ifac.ifa_opackets;
260 ifaddr.ifa.if_obytes = ifac.ifa_obytes;
261 for (cpu = 1; cpu < ncpus; ++cpu) {
262 struct ifaddr_container nifac;
263
264 if (kread(ifaddrcont_addr +
265 (cpu * sizeof(nifac)),
266 (char *)&nifac, sizeof(nifac))) {
267 ifaddraddr = 0;
268 continue;
269 }
270 ifaddr.ifa.if_ipackets += nifac.ifa_ipackets;
271 ifaddr.ifa.if_ibytes += nifac.ifa_ibytes;
272 ifaddr.ifa.if_opackets += nifac.ifa_opackets;
273 ifaddr.ifa.if_obytes += nifac.ifa_obytes;
274 }
275
276 #define CP(x) ((char *)(x))
277 cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
278 CP(&ifaddr);
279 sa = (struct sockaddr *)cp;
280 if (af != AF_UNSPEC && sa->sa_family != af) {
281 ifaddrcont_addr =
282 (u_long)TAILQ_NEXT(&ifac, ifa_link);
283 if (ifaddrcont_addr == 0) {
284 ifaddraddr = 0;
285 } else {
286 if (kread(ifaddrcont_addr,
287 (char *)&ifac, sizeof(ifac))) {
288 ifaddraddr = 0;
289 continue;
290 }
291 ifaddraddr = (u_long)ifac.ifa;
292 }
293 continue;
294 }
295 printf("%-7.7s %-5lu ", name, ifnet.if_mtu);
296 switch (sa->sa_family) {
297 case AF_UNSPEC:
298 printf("%-13.13s ", "none");
299 printf("%-15.15s ", "none");
300 break;
301 case AF_INET:
302 sin = (struct sockaddr_in *)sa;
303 #ifdef notdef
304 /* can't use inet_makeaddr because kernel
305 * keeps nets unshifted.
306 */
307 in = inet_makeaddr(ifaddr.in.ia_subnet,
308 INADDR_ANY);
309 printf("%-13.13s ", netname(in.s_addr,
310 ifaddr.in.ia_subnetmask));
311 #else
312 printf("%-13.13s ",
313 netname(htonl(ifaddr.in.ia_subnet),
314 ifaddr.in.ia_subnetmask));
315 #endif
316 printf("%-15.15s ",
317 routename(sin->sin_addr.s_addr));
318
319 network_layer = 1;
320 break;
321 #ifdef INET6
322 case AF_INET6:
323 sin6 = (struct sockaddr_in6 *)sa;
324 printf("%-11.11s ",
325 netname6(&ifaddr.in6.ia_addr,
326 &ifaddr.in6.ia_prefixmask.sin6_addr));
327 printf("%-17.17s ",
328 inet_ntop(AF_INET6,
329 &sin6->sin6_addr,
330 ntop_buf, sizeof(ntop_buf)));
331
332 network_layer = 1;
333 break;
334 #endif /*INET6*/
335 case AF_IPX:
336 {
337 struct sockaddr_ipx *sipx =
338 (struct sockaddr_ipx *)sa;
339 u_long net;
340 char netnum[10];
341
342 *(union ipx_net *) &net = sipx->sipx_addr.x_net;
343 sprintf(netnum, "%lx", (u_long)ntohl(net));
344 printf("ipx:%-8s ", netnum);
345 /* printf("ipx:%-8s ", netname(net, 0L)); */
346 printf("%-15s ",
347 ipx_phost((struct sockaddr *)sipx));
348 }
349 break;
350
351 case AF_LINK:
352 {
353 struct sockaddr_dl *sdl =
354 (struct sockaddr_dl *)sa;
355 char linknum[10];
356 cp = (char *)LLADDR(sdl);
357 n = sdl->sdl_alen;
358 sprintf(linknum, "<Link#%d>", sdl->sdl_index);
359 m = printf("%-11.11s ", linknum);
360 }
361 goto hexprint;
362 default:
363 m = printf("(%d)", sa->sa_family);
364 for (cp = sa->sa_len + (char *)sa;
365 --cp > sa->sa_data && (*cp == 0);) {}
366 n = cp - sa->sa_data + 1;
367 cp = sa->sa_data;
368 hexprint:
369 while (--n >= 0)
370 m += printf("%02x%c", *cp++ & 0xff,
371 n > 0 ? ':' : ' ');
372 m = 30 - m;
373 while (m-- > 0)
374 putchar(' ');
375
376 link_layer = 1;
377 break;
378 }
379
380 /*
381 * Fixup the statistics for interfaces that
382 * update stats for their network addresses
383 */
384 if (network_layer) {
385 opackets = ifaddr.ifa.if_opackets;
386 ipackets = ifaddr.ifa.if_ipackets;
387 obytes = ifaddr.ifa.if_obytes;
388 ibytes = ifaddr.ifa.if_ibytes;
389 }
390
391 ifaddrcont_addr =
392 (u_long)TAILQ_NEXT(&ifac, ifa_link);
393 if (ifaddrcont_addr == 0) {
394 ifaddraddr = 0;
395 } else {
396 if (kread(ifaddrcont_addr,
397 (char *)&ifac, sizeof(ifac))) {
398 ifaddraddr = 0;
399 } else {
400 ifaddraddr = (u_long)ifac.ifa;
401 }
402 }
403 }
404
405 show_stat("lu", 8, ipackets, link_layer|network_layer);
406 printf(" ");
407 show_stat("lu", 5, ierrors, link_layer);
408 printf(" ");
409 if (bflag) {
410 show_stat("lu", 10, ibytes, link_layer|network_layer);
411 printf(" ");
412 }
413 show_stat("lu", 8, opackets, link_layer|network_layer);
414 printf(" ");
415 show_stat("lu", 5, oerrors, link_layer);
416 printf(" ");
417 if (bflag) {
418 show_stat("lu", 10, obytes, link_layer|network_layer);
419 printf(" ");
420 }
421 show_stat("lu", 5, collisions, link_layer);
422 if (tflag) {
423 printf(" ");
424 show_stat("d", 3, timer, link_layer);
425 }
426 if (dflag) {
427 printf(" ");
428 show_stat("d", 3, drops, link_layer);
429 }
430 putchar('\n');
431 if (aflag && ifaddrfound) {
432 /*
433 * Print family's multicast addresses
434 */
435 struct ifmultiaddr *multiaddr;
436 struct ifmultiaddr ifma;
437 union {
438 struct sockaddr sa;
439 struct sockaddr_in in;
440 #ifdef INET6
441 struct sockaddr_in6 in6;
442 #endif /* INET6 */
443 struct sockaddr_dl dl;
444 } msa;
445 const char *fmt;
446
447 TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
448 if (kread((u_long)multiaddr, (char *)&ifma,
449 sizeof ifma))
450 break;
451 multiaddr = &ifma;
452 if (kread((u_long)ifma.ifma_addr, (char *)&msa,
453 sizeof msa))
454 break;
455 if (msa.sa.sa_family != sa->sa_family)
456 continue;
457
458 fmt = NULL;
459 switch (msa.sa.sa_family) {
460 case AF_INET:
461 fmt = routename(msa.in.sin_addr.s_addr);
462 break;
463 #ifdef INET6
464 case AF_INET6:
465 printf("%23s %-19.19s(refs: %d)\n", "",
466 inet_ntop(AF_INET6,
467 &msa.in6.sin6_addr,
468 ntop_buf,
469 sizeof(ntop_buf)),
470 ifma.ifma_refcount);
471 break;
472 #endif /* INET6 */
473 case AF_LINK:
474 switch (msa.dl.sdl_type) {
475 case IFT_ETHER:
476 case IFT_FDDI:
477 fmt = ether_ntoa(
478 (struct ether_addr *)
479 LLADDR(&msa.dl));
480 break;
481 }
482 break;
483 }
484 if (fmt)
485 printf("%23s %s\n", "", fmt);
486 }
487 }
488 }
489 }
490
491 struct iftot {
492 SLIST_ENTRY(iftot) chain;
493 char ift_name[IFNAMSIZ]; /* interface name */
494 u_long ift_ip; /* input packets */
495 u_long ift_ie; /* input errors */
496 u_long ift_op; /* output packets */
497 u_long ift_oe; /* output errors */
498 u_long ift_co; /* collisions */
499 u_int ift_dr; /* drops */
500 u_long ift_ib; /* input bytes */
501 u_long ift_ob; /* output bytes */
502 };
503
504 u_char signalled; /* set if alarm goes off "early" */
505
506 /*
507 * Print a running summary of interface statistics.
508 * Repeat display every interval1 seconds, showing statistics
509 * collected over that interval. Assumes that interval1 is non-zero.
510 * First line printed at top of screen is always cumulative.
511 * XXX - should be rewritten to use ifmib(4).
512 */
513 static void
514 sidewaysintpr(unsigned interval1, u_long off, int ncpus)
515 {
516 struct ifnet ifnet;
517 u_long firstifnet;
518 struct ifnethead ifnethead;
519 struct ifdata_pcpu ifdata;
520 struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
521 int line, cpu;
522 int oldmask, first;
523 u_long interesting_off;
524 u_long ifdata_addr;
525
526 if (kread(off, (char *)&ifnethead, sizeof ifnethead))
527 return;
528 firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
529
530 if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
531 printf("malloc failed\n");
532 exit(1);
533 }
534 memset(iftot, 0, sizeof(struct iftot));
535
536 interesting = NULL;
537 interesting_off = 0;
538 for (off = firstifnet, ip = iftot; off;) {
539 char name[IFNAMSIZ];
540
541 if (kread(off, (char *)&ifnet, sizeof ifnet))
542 break;
543 strlcpy(name, ifnet.if_xname, sizeof(name));
544 if (interface && strcmp(name, interface) == 0) {
545 interesting = ip;
546 interesting_off = off;
547 }
548 snprintf(ip->ift_name, 16, "(%s)", name);
549 if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
550 printf("malloc failed\n");
551 exit(1);
552 }
553 memset(ipn, 0, sizeof(struct iftot));
554 SLIST_NEXT(ip, chain) = ipn;
555 ip = ipn;
556 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
557 }
558 if ((total = malloc(sizeof(struct iftot))) == NULL) {
559 printf("malloc failed\n");
560 exit(1);
561 }
562 memset(total, 0, sizeof(struct iftot));
563 if ((sum = malloc(sizeof(struct iftot))) == NULL) {
564 printf("malloc failed\n");
565 exit(1);
566 }
567 memset(sum, 0, sizeof(struct iftot));
568
569
570 (void)signal(SIGALRM, catchalarm);
571 signalled = NO;
572 (void)alarm(interval1);
573 first = 1;
574 banner:
575 printf("%17s %14s %16s", "input",
576 interesting ? interesting->ift_name : "(Total)", "output");
577 putchar('\n');
578 printf("%10s %5s %10s %10s %5s %10s %5s",
579 "packets", "errs", "bytes", "packets", "errs", "bytes", "colls");
580 if (dflag)
581 printf(" %5.5s", "drops");
582 putchar('\n');
583 fflush(stdout);
584 line = 0;
585 loop:
586 if (interesting != NULL) {
587 ip = interesting;
588 if (kread(interesting_off, (char *)&ifnet, sizeof ifnet)) {
589 printf("???\n");
590 exit(1);
591 }
592
593 ifdata_addr = (u_long)ifnet.if_data_pcpu;
594 if (kread(ifdata_addr, (char *)&ifdata, sizeof(ifdata))) {
595 printf("ifdata 1\n");
596 exit(1);
597 }
598 ifnet.if_ipackets = ifdata.ifd_ipackets;
599 ifnet.if_ierrors = ifdata.ifd_ierrors;
600 ifnet.if_ibytes = ifdata.ifd_ibytes;
601 ifnet.if_opackets = ifdata.ifd_opackets;
602 ifnet.if_oerrors = ifdata.ifd_oerrors;
603 ifnet.if_obytes = ifdata.ifd_obytes;
604 ifnet.if_collisions = ifdata.ifd_collisions;
605
606 for (cpu = 1; cpu < ncpus; ++cpu) {
607 if (kread(ifdata_addr + (cpu * sizeof(ifdata)),
608 (char *)&ifdata, sizeof(ifdata))) {
609 printf("ifdata 2\n");
610 exit(1);
611 }
612 ifnet.if_ipackets += ifdata.ifd_ipackets;
613 ifnet.if_ierrors += ifdata.ifd_ierrors;
614 ifnet.if_ibytes += ifdata.ifd_ibytes;
615 ifnet.if_opackets += ifdata.ifd_opackets;
616 ifnet.if_oerrors += ifdata.ifd_oerrors;
617 ifnet.if_obytes += ifdata.ifd_obytes;
618 ifnet.if_collisions += ifdata.ifd_collisions;
619 }
620
621 if (!first) {
622 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
623 ifnet.if_ipackets - ip->ift_ip,
624 ifnet.if_ierrors - ip->ift_ie,
625 ifnet.if_ibytes - ip->ift_ib,
626 ifnet.if_opackets - ip->ift_op,
627 ifnet.if_oerrors - ip->ift_oe,
628 ifnet.if_obytes - ip->ift_ob,
629 ifnet.if_collisions - ip->ift_co);
630 if (dflag)
631 printf(" %5u", 0 - ip->ift_dr);
632 }
633 ip->ift_ip = ifnet.if_ipackets;
634 ip->ift_ie = ifnet.if_ierrors;
635 ip->ift_ib = ifnet.if_ibytes;
636 ip->ift_op = ifnet.if_opackets;
637 ip->ift_oe = ifnet.if_oerrors;
638 ip->ift_ob = ifnet.if_obytes;
639 ip->ift_co = ifnet.if_collisions;
640 ip->ift_dr = 0;
641 } else {
642 sum->ift_ip = 0;
643 sum->ift_ie = 0;
644 sum->ift_ib = 0;
645 sum->ift_op = 0;
646 sum->ift_oe = 0;
647 sum->ift_ob = 0;
648 sum->ift_co = 0;
649 sum->ift_dr = 0;
650 for (off = firstifnet, ip = iftot;
651 off && SLIST_NEXT(ip, chain) != NULL;
652 ip = SLIST_NEXT(ip, chain)) {
653 if (kread(off, (char *)&ifnet, sizeof ifnet)) {
654 off = 0;
655 continue;
656 }
657
658 ifdata_addr = (u_long)ifnet.if_data_pcpu;
659 if (kread(ifdata_addr, (char *)&ifdata,
660 sizeof(ifdata))) {
661 printf("ifdata 3\n");
662 exit(1);
663 }
664 ifnet.if_ipackets = ifdata.ifd_ipackets;
665 ifnet.if_ierrors = ifdata.ifd_ierrors;
666 ifnet.if_ibytes = ifdata.ifd_ibytes;
667 ifnet.if_opackets = ifdata.ifd_opackets;
668 ifnet.if_oerrors = ifdata.ifd_oerrors;
669 ifnet.if_obytes = ifdata.ifd_obytes;
670 ifnet.if_collisions = ifdata.ifd_collisions;
671
672 for (cpu = 1; cpu < ncpus; ++cpu) {
673 if (kread(ifdata_addr + (cpu * sizeof(ifdata)),
674 (char *)&ifdata, sizeof(ifdata))) {
675 printf("ifdata 2\n");
676 exit(1);
677 }
678 ifnet.if_ipackets += ifdata.ifd_ipackets;
679 ifnet.if_ierrors += ifdata.ifd_ierrors;
680 ifnet.if_ibytes += ifdata.ifd_ibytes;
681 ifnet.if_opackets += ifdata.ifd_opackets;
682 ifnet.if_oerrors += ifdata.ifd_oerrors;
683 ifnet.if_obytes += ifdata.ifd_obytes;
684 ifnet.if_collisions += ifdata.ifd_collisions;
685 }
686
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 += 0;
695 off = (u_long)TAILQ_NEXT(&ifnet, if_link);
696 }
697 if (!first) {
698 printf("%10lu %5lu %10lu %10lu %5lu %10lu %5lu",
699 sum->ift_ip - total->ift_ip,
700 sum->ift_ie - total->ift_ie,
701 sum->ift_ib - total->ift_ib,
702 sum->ift_op - total->ift_op,
703 sum->ift_oe - total->ift_oe,
704 sum->ift_ob - total->ift_ob,
705 sum->ift_co - total->ift_co);
706 if (dflag)
707 printf(" %5u", sum->ift_dr - total->ift_dr);
708 }
709 *total = *sum;
710 }
711 if (!first)
712 putchar('\n');
713 fflush(stdout);
714 oldmask = sigblock(sigmask(SIGALRM));
715 if (! signalled) {
716 sigpause(0);
717 }
718 sigsetmask(oldmask);
719 signalled = NO;
720 (void)alarm(interval1);
721 line++;
722 first = 0;
723 if (line == 21)
724 goto banner;
725 else
726 goto loop;
727 /*NOTREACHED*/
728 }
729
730 /*
731 * Called if an interval expires before sidewaysintpr has completed a loop.
732 * Sets a flag to not wait for the alarm.
733 */
734 static void
735 catchalarm(int signo __unused)
736 {
737 signalled = YES;
738 }
DragonFly BSD