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Remove some unnecessary casts.
[dragonfly.git] / usr.bin / netstat / inet6.c
CommitLineData
984263bc
MD		 1/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
2/*
3 * Copyright (c) 1983, 1988, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: src/usr.bin/netstat/inet6.c,v 1.3.2.11 2001/09/17 14:53:17 ru Exp $
03d6a592 35 * $DragonFly: src/usr.bin/netstat/inet6.c,v 1.7 2006/05/21 03:43:47 dillon Exp $
1de703da
MD		 36 *
37 * @(#)inet6.c 8.4 (Berkeley) 4/20/94
984263bc
MD		 38 */
39
984263bc 40#ifdef INET6
03d6a592 41#define _KERNEL_STRUCTURES
984263bc
MD		 42#include <sys/param.h>
43#include <sys/socket.h>
44#include <sys/socketvar.h>
45#include <sys/ioctl.h>
46#include <sys/mbuf.h>
47#include <sys/protosw.h>
48#include <sys/sysctl.h>
49
50#include <net/route.h>
51#include <net/if.h>
52#include <net/if_var.h>
53#include <netinet/in.h>
54#include <netinet/ip6.h>
55#include <netinet/icmp6.h>
56#include <netinet/in_systm.h>
57#include <netinet6/in6_pcb.h>
58#include <netinet6/in6_var.h>
59#include <netinet6/ip6_var.h>
60#include <netinet6/pim6_var.h>
61#include <netinet6/raw_ip6.h>
62
63#include <arpa/inet.h>
64#include <netdb.h>
193de620 65#include <errno.h>
984263bc
MD		 66
67#include <stdio.h>
68#include <string.h>
69#include <unistd.h>
70#include "netstat.h"
71
72struct socket sockb;
73
74char *inet6name (struct in6_addr *);
75void inet6print (struct in6_addr *, int, char *, int);
76
77static char ntop_buf[INET6_ADDRSTRLEN];
78
79static char *ip6nh[] = {
80 "hop by hop",
81 "ICMP",
82 "IGMP",
83 "#3",
84 "IP",
85 "#5",
86 "TCP",
87 "#7",
88 "#8",
89 "#9",
90 "#10",
91 "#11",
92 "#12",
93 "#13",
94 "#14",
95 "#15",
96 "#16",
97 "UDP",
98 "#18",
99 "#19",
100 "#20",
101 "#21",
102 "IDP",
103 "#23",
104 "#24",
105 "#25",
106 "#26",
107 "#27",
108 "#28",
109 "TP",
110 "#30",
111 "#31",
112 "#32",
113 "#33",
114 "#34",
115 "#35",
116 "#36",
117 "#37",
118 "#38",
119 "#39",
120 "#40",
121 "IP6",
122 "#42",
123 "routing",
124 "fragment",
125 "#45",
126 "#46",
127 "#47",
128 "#48",
129 "#49",
130 "ESP",
131 "AH",
132 "#52",
133 "#53",
134 "#54",
135 "#55",
136 "#56",
137 "#57",
138 "ICMP6",
139 "no next header",
140 "destination option",
141 "#61",
142 "#62",
143 "#63",
144 "#64",
145 "#65",
146 "#66",
147 "#67",
148 "#68",
149 "#69",
150 "#70",
151 "#71",
152 "#72",
153 "#73",
154 "#74",
155 "#75",
156 "#76",
157 "#77",
158 "#78",
159 "#79",
160 "ISOIP",
161 "#81",
162 "#82",
163 "#83",
164 "#84",
165 "#85",
166 "#86",
167 "#87",
168 "#88",
169 "OSPF",
170 "#80",
171 "#91",
172 "#92",
173 "#93",
174 "#94",
175 "#95",
176 "#96",
177 "Ethernet",
178 "#98",
179 "#99",
180 "#100",
181 "#101",
182 "#102",
183 "PIM",
184 "#104",
185 "#105",
186 "#106",
187 "#107",
188 "#108",
189 "#109",
190 "#110",
191 "#111",
192 "#112",
193 "#113",
194 "#114",
195 "#115",
196 "#116",
197 "#117",
198 "#118",
199 "#119",
200 "#120",
201 "#121",
202 "#122",
203 "#123",
204 "#124",
205 "#125",
206 "#126",
207 "#127",
208 "#128",
209 "#129",
210 "#130",
211 "#131",
212 "#132",
213 "#133",
214 "#134",
215 "#135",
216 "#136",
217 "#137",
218 "#138",
219 "#139",
220 "#140",
221 "#141",
222 "#142",
223 "#143",
224 "#144",
225 "#145",
226 "#146",
227 "#147",
228 "#148",
229 "#149",
230 "#150",
231 "#151",
232 "#152",
233 "#153",
234 "#154",
235 "#155",
236 "#156",
237 "#157",
238 "#158",
239 "#159",
240 "#160",
241 "#161",
242 "#162",
243 "#163",
244 "#164",
245 "#165",
246 "#166",
247 "#167",
248 "#168",
249 "#169",
250 "#170",
251 "#171",
252 "#172",
253 "#173",
254 "#174",
255 "#175",
256 "#176",
257 "#177",
258 "#178",
259 "#179",
260 "#180",
261 "#181",
262 "#182",
263 "#183",
264 "#184",
265 "#185",
266 "#186",
267 "#187",
268 "#188",
269 "#189",
270 "#180",
271 "#191",
272 "#192",
273 "#193",
274 "#194",
275 "#195",
276 "#196",
277 "#197",
278 "#198",
279 "#199",
280 "#200",
281 "#201",
282 "#202",
283 "#203",
284 "#204",
285 "#205",
286 "#206",
287 "#207",
288 "#208",
289 "#209",
290 "#210",
291 "#211",
292 "#212",
293 "#213",
294 "#214",
295 "#215",
296 "#216",
297 "#217",
298 "#218",
299 "#219",
300 "#220",
301 "#221",
302 "#222",
303 "#223",
304 "#224",
305 "#225",
306 "#226",
307 "#227",
308 "#228",
309 "#229",
310 "#230",
311 "#231",
312 "#232",
313 "#233",
314 "#234",
315 "#235",
316 "#236",
317 "#237",
318 "#238",
319 "#239",
320 "#240",
321 "#241",
322 "#242",
323 "#243",
324 "#244",
325 "#245",
326 "#246",
327 "#247",
328 "#248",
329 "#249",
330 "#250",
331 "#251",
332 "#252",
333 "#253",
334 "#254",
335 "#255",
336};
337
338/*
339 * Dump IP6 statistics structure.
340 */
341void
342ip6_stats(u_long off __unused, char *name, int af __unused)
343{
344 struct ip6stat ip6stat;
345 int first, i;
346 int mib[4];
347 size_t len;
348
349 mib[0] = CTL_NET;
350 mib[1] = PF_INET6;
351 mib[2] = IPPROTO_IPV6;
352 mib[3] = IPV6CTL_STATS;
353
354 len = sizeof ip6stat;
355 memset(&ip6stat, 0, len);
356 if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0)
357 return;
358 printf("%s:\n", name);
359
360#define p(f, m) if (ip6stat.f || sflag <= 1) \
361 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f))
362#define p1a(f, m) if (ip6stat.f || sflag <= 1) \
363 printf(m, (unsigned long long)ip6stat.f)
364
365 p(ip6s_total, "\t%llu total packet%s received\n");
366 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n");
367 p1a(ip6s_tooshort, "\t%llu with data size < data length\n");
368 p1a(ip6s_badoptions, "\t%llu with bad options\n");
369 p1a(ip6s_badvers, "\t%llu with incorrect version number\n");
370 p(ip6s_fragments, "\t%llu fragment%s received\n");
371 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n");
372 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n");
373 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n");
374 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n");
375 p(ip6s_delivered, "\t%llu packet%s for this host\n");
376 p(ip6s_forward, "\t%llu packet%s forwarded\n");
377 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n");
378 p(ip6s_redirectsent, "\t%llu redirect%s sent\n");
379 p(ip6s_localout, "\t%llu packet%s sent from this host\n");
380 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n");
381 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n");
382 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n");
383 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n");
384 p(ip6s_ofragments, "\t%llu fragment%s created\n");
385 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n");
386 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n");
387 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n");
388 for (first = 1, i = 0; i < 256; i++)
389 if (ip6stat.ip6s_nxthist[i] != 0) {
390 if (first) {
391 printf("\tInput histogram:\n");
392 first = 0;
393 }
394 printf("\t\t%s: %llu\n", ip6nh[i],
395 (unsigned long long)ip6stat.ip6s_nxthist[i]);
396 }
397 printf("\tMbuf statistics:\n");
398 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1);
399 for (first = 1, i = 0; i < 32; i++) {
400 char ifbuf[IFNAMSIZ];
401 if (ip6stat.ip6s_m2m[i] != 0) {
402 if (first) {
403 printf("\t\ttwo or more mbuf:\n");
404 first = 0;
405 }
406 printf("\t\t\t%s= %llu\n",
407 if_indextoname(i, ifbuf),
408 (unsigned long long)ip6stat.ip6s_m2m[i]);
409 }
410 }
411 printf("\t\t%llu one ext mbuf\n",
412 (unsigned long long)ip6stat.ip6s_mext1);
413 printf("\t\t%llu two or more ext mbuf\n",
414 (unsigned long long)ip6stat.ip6s_mext2m);
415 p(ip6s_exthdrtoolong,
416 "\t%llu packet%s whose headers are not continuous\n");
417 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n");
418 p(ip6s_toomanyhdr,
419 "\t%llu packet%s discarded due to too may headers\n");
420
421 /* for debugging source address selection */
422#define PRINT_SCOPESTAT(s,i) do {\
423 switch(i) { /* XXX hardcoding in each case */\
424 case 1:\
425 p(s, "\t\t%llu node-local%s\n");\
426 break;\
427 case 2:\
428 p(s,"\t\t%llu link-local%s\n");\
429 break;\
430 case 5:\
431 p(s,"\t\t%llu site-local%s\n");\
432 break;\
433 case 14:\
434 p(s,"\t\t%llu global%s\n");\
435 break;\
436 default:\
437 printf("\t\t%llu addresses scope=%x\n",\
438 (unsigned long long)ip6stat.s, i);\
439 }\
440 } while (0);
441
442 p(ip6s_sources_none,
443 "\t%llu failure%s of source address selection\n");
444 for (first = 1, i = 0; i < 16; i++) {
445 if (ip6stat.ip6s_sources_sameif[i]) {
446 if (first) {
447 printf("\tsource addresses on an outgoing I/F\n");
448 first = 0;
449 }
450 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
451 }
452 }
453 for (first = 1, i = 0; i < 16; i++) {
454 if (ip6stat.ip6s_sources_otherif[i]) {
455 if (first) {
456 printf("\tsource addresses on a non-outgoing I/F\n");
457 first = 0;
458 }
459 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
460 }
461 }
462 for (first = 1, i = 0; i < 16; i++) {
463 if (ip6stat.ip6s_sources_samescope[i]) {
464 if (first) {
465 printf("\tsource addresses of same scope\n");
466 first = 0;
467 }
468 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
469 }
470 }
471 for (first = 1, i = 0; i < 16; i++) {
472 if (ip6stat.ip6s_sources_otherscope[i]) {
473 if (first) {
474 printf("\tsource addresses of a different scope\n");
475 first = 0;
476 }
477 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
478 }
479 }
480 for (first = 1, i = 0; i < 16; i++) {
481 if (ip6stat.ip6s_sources_deprecated[i]) {
482 if (first) {
483 printf("\tdeprecated source addresses\n");
484 first = 0;
485 }
486 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
487 }
488 }
489
490 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n");
491 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n");
492#undef p
493#undef p1a
494}
495
496/*
497 * Dump IPv6 per-interface statistics based on RFC 2465.
498 */
499void
500ip6_ifstats(char *ifname)
501{
502 struct in6_ifreq ifr;
503 int s;
504#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
505 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
506#define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
507 printf(m, (unsigned long long)ip6stat.f)
508
509 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
510 perror("Warning: socket(AF_INET6)");
511 return;
512 }
513
514 strcpy(ifr.ifr_name, ifname);
515 printf("ip6 on %s:\n", ifr.ifr_name);
516
517 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
518 perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
519 goto end;
520 }
521
522 p(ifs6_in_receive, "\t%llu total input datagram%s\n");
523 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n");
524 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n");
525 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n");
526 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n");
527 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n");
528 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n");
529 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n");
530 p(ifs6_in_deliver,
531 "\t%llu datagram%s delivered to an upper layer protocol\n");
532 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n");
533 p(ifs6_out_request,
534 "\t%llu datagram%s sent from an upper layer protocol\n");
535 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n");
536 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n");
537 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n");
538 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n");
539 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n");
540 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n");
541 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n");
542 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n");
543 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n");
544
545 end:
546 close(s);
547
548#undef p
549#undef p_5
550}
551
552static char *icmp6names[] = {
553 "#0",
554 "unreach",
555 "packet too big",
556 "time exceed",
557 "parameter problem",
558 "#5",
559 "#6",
560 "#7",
561 "#8",
562 "#9",
563 "#10",
564 "#11",
565 "#12",
566 "#13",
567 "#14",
568 "#15",
569 "#16",
570 "#17",
571 "#18",
572 "#19",
573 "#20",
574 "#21",
575 "#22",
576 "#23",
577 "#24",
578 "#25",
579 "#26",
580 "#27",
581 "#28",
582 "#29",
583 "#30",
584 "#31",
585 "#32",
586 "#33",
587 "#34",
588 "#35",
589 "#36",
590 "#37",
591 "#38",
592 "#39",
593 "#40",
594 "#41",
595 "#42",
596 "#43",
597 "#44",
598 "#45",
599 "#46",
600 "#47",
601 "#48",
602 "#49",
603 "#50",
604 "#51",
605 "#52",
606 "#53",
607 "#54",
608 "#55",
609 "#56",
610 "#57",
611 "#58",
612 "#59",
613 "#60",
614 "#61",
615 "#62",
616 "#63",
617 "#64",
618 "#65",
619 "#66",
620 "#67",
621 "#68",
622 "#69",
623 "#70",
624 "#71",
625 "#72",
626 "#73",
627 "#74",
628 "#75",
629 "#76",
630 "#77",
631 "#78",
632 "#79",
633 "#80",
634 "#81",
635 "#82",
636 "#83",
637 "#84",
638 "#85",
639 "#86",
640 "#87",
641 "#88",
642 "#89",
643 "#80",
644 "#91",
645 "#92",
646 "#93",
647 "#94",
648 "#95",
649 "#96",
650 "#97",
651 "#98",
652 "#99",
653 "#100",
654 "#101",
655 "#102",
656 "#103",
657 "#104",
658 "#105",
659 "#106",
660 "#107",
661 "#108",
662 "#109",
663 "#110",
664 "#111",
665 "#112",
666 "#113",
667 "#114",
668 "#115",
669 "#116",
670 "#117",
671 "#118",
672 "#119",
673 "#120",
674 "#121",
675 "#122",
676 "#123",
677 "#124",
678 "#125",
679 "#126",
680 "#127",
681 "echo",
682 "echo reply",
683 "multicast listener query",
684 "multicast listener report",
685 "multicast listener done",
686 "router solicitation",
687 "router advertisement",
688 "neighbor solicitation",
689 "neighbor advertisement",
690 "redirect",
691 "router renumbering",
692 "node information request",
693 "node information reply",
694 "inverse neighbor solicitation",
695 "inverse neighbor advertisement",
696 "#143",
697 "#144",
698 "#145",
699 "#146",
700 "#147",
701 "#148",
702 "#149",
703 "#150",
704 "#151",
705 "#152",
706 "#153",
707 "#154",
708 "#155",
709 "#156",
710 "#157",
711 "#158",
712 "#159",
713 "#160",
714 "#161",
715 "#162",
716 "#163",
717 "#164",
718 "#165",
719 "#166",
720 "#167",
721 "#168",
722 "#169",
723 "#170",
724 "#171",
725 "#172",
726 "#173",
727 "#174",
728 "#175",
729 "#176",
730 "#177",
731 "#178",
732 "#179",
733 "#180",
734 "#181",
735 "#182",
736 "#183",
737 "#184",
738 "#185",
739 "#186",
740 "#187",
741 "#188",
742 "#189",
743 "#180",
744 "#191",
745 "#192",
746 "#193",
747 "#194",
748 "#195",
749 "#196",
750 "#197",
751 "#198",
752 "#199",
753 "#200",
754 "#201",
755 "#202",
756 "#203",
757 "#204",
758 "#205",
759 "#206",
760 "#207",
761 "#208",
762 "#209",
763 "#210",
764 "#211",
765 "#212",
766 "#213",
767 "#214",
768 "#215",
769 "#216",
770 "#217",
771 "#218",
772 "#219",
773 "#220",
774 "#221",
775 "#222",
776 "#223",
777 "#224",
778 "#225",
779 "#226",
780 "#227",
781 "#228",
782 "#229",
783 "#230",
784 "#231",
785 "#232",
786 "#233",
787 "#234",
788 "#235",
789 "#236",
790 "#237",
791 "#238",
792 "#239",
793 "#240",
794 "#241",
795 "#242",
796 "#243",
797 "#244",
798 "#245",
799 "#246",
800 "#247",
801 "#248",
802 "#249",
803 "#250",
804 "#251",
805 "#252",
806 "#253",
807 "#254",
808 "#255",
809};
810
811/*
812 * Dump ICMP6 statistics.
813 */
814void
815icmp6_stats(u_long off __unused, char *name, int af __unused)
816{
817 struct icmp6stat icmp6stat;
6bd457ed 818 int i, first;
984263bc
MD		 819 int mib[4];
820 size_t len;
821
822 mib[0] = CTL_NET;
823 mib[1] = PF_INET6;
824 mib[2] = IPPROTO_ICMPV6;
825 mib[3] = ICMPV6CTL_STATS;
826
827 len = sizeof icmp6stat;
828 memset(&icmp6stat, 0, len);
829 if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0)
830 return;
831 printf("%s:\n", name);
832
833#define p(f, m) if (icmp6stat.f || sflag <= 1) \
834 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f))
835#define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f)
836
837 p(icp6s_error, "\t%llu call%s to icmp_error\n");
838 p(icp6s_canterror,
839 "\t%llu error%s not generated because old message was icmp error or so\n");
840 p(icp6s_toofreq,
841 "\t%llu error%s not generated because rate limitation\n");
842#define NELEM (sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
843 for (first = 1, i = 0; i < NELEM; i++)
844 if (icmp6stat.icp6s_outhist[i] != 0) {
845 if (first) {
846 printf("\tOutput histogram:\n");
847 first = 0;
848 }
849 printf("\t\t%s: %llu\n", icmp6names[i],
850 (unsigned long long)icmp6stat.icp6s_outhist[i]);
851 }
852#undef NELEM
853 p(icp6s_badcode, "\t%llu message%s with bad code fields\n");
854 p(icp6s_tooshort, "\t%llu message%s < minimum length\n");
855 p(icp6s_checksum, "\t%llu bad checksum%s\n");
856 p(icp6s_badlen, "\t%llu message%s with bad length\n");
857#define NELEM (sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
858 for (first = 1, i = 0; i < NELEM; i++)
859 if (icmp6stat.icp6s_inhist[i] != 0) {
860 if (first) {
861 printf("\tInput histogram:\n");
862 first = 0;
863 }
864 printf("\t\t%s: %llu\n", icmp6names[i],
865 (unsigned long long)icmp6stat.icp6s_inhist[i]);
866 }
867#undef NELEM
868 printf("\tHistogram of error messages to be generated:\n");
869 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n");
870 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n");
871 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n");
872 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n");
873 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n");
874 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n");
875 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n");
876 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n");
877 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n");
878 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n");
879 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n");
880 p_5(icp6s_oredirect, "\t\t%llu redirect\n");
881 p_5(icp6s_ounknown, "\t\t%llu unknown\n");
882
883 p(icp6s_reflect, "\t%llu message response%s generated\n");
884 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n");
885 p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n");
886 p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n");
887 p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n");
888 p(icp6s_badrs, "\t%qu bad router solicitation message%s\n");
889 p(icp6s_badra, "\t%qu bad router advertisement message%s\n");
890 p(icp6s_badredirect, "\t%qu bad redirect message%s\n");
891 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n");
892#undef p
893#undef p_5
894}
895
896/*
897 * Dump ICMPv6 per-interface statistics based on RFC 2466.
898 */
899void
900icmp6_ifstats(char *ifname)
901{
902 struct in6_ifreq ifr;
903 int s;
904#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
905 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
906
907 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
908 perror("Warning: socket(AF_INET6)");
909 return;
910 }
911
912 strcpy(ifr.ifr_name, ifname);
913 printf("icmp6 on %s:\n", ifr.ifr_name);
914
915 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
916 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
917 goto end;
918 }
919
920 p(ifs6_in_msg, "\t%llu total input message%s\n");
921 p(ifs6_in_error, "\t%llu total input error message%s\n");
922 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n");
923 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n");
924 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n");
925 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n");
926 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n");
927 p(ifs6_in_echo, "\t%llu input echo request%s\n");
928 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n");
929 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n");
930 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n");
931 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n");
932 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n");
933 p(ifs6_in_redirect, "\t%llu input redirect%s\n");
934 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n");
935 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n");
936 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n");
937
938 p(ifs6_out_msg, "\t%llu total output message%s\n");
939 p(ifs6_out_error, "\t%llu total output error message%s\n");
940 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n");
941 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n");
942 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n");
943 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n");
944 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n");
945 p(ifs6_out_echo, "\t%llu output echo request%s\n");
946 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n");
947 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n");
948 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n");
949 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n");
950 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n");
951 p(ifs6_out_redirect, "\t%llu output redirect%s\n");
952 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n");
953 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n");
954 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n");
955
956 end:
957 close(s);
958#undef p
959}
960
961/*
962 * Dump PIM statistics structure.
963 */
964void
965pim6_stats(u_long off __unused, char *name, int af __unused)
966{
967 struct pim6stat pim6stat;
968
969 if (off == 0)
970 return;
971 kread(off, (char *)&pim6stat, sizeof(pim6stat));
972 printf("%s:\n", name);
973
974#define p(f, m) if (pim6stat.f || sflag <= 1) \
975 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f))
976 p(pim6s_rcv_total, "\t%llu message%s received\n");
977 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
978 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n");
979 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n");
980 p(pim6s_rcv_registers, "\t%llu register%s received\n");
981 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n");
982 p(pim6s_snd_registers, "\t%llu register%s sent\n");
983#undef p
984}
985
986/*
987 * Dump raw ip6 statistics structure.
988 */
989void
990rip6_stats(u_long off __unused, char *name, int af __unused)
991{
992 struct rip6stat rip6stat;
993 u_quad_t delivered;
994 int mib[4];
995 size_t l;
996
997 mib[0] = CTL_NET;
998 mib[1] = PF_INET6;
999 mib[2] = IPPROTO_IPV6;
1000 mib[3] = IPV6CTL_RIP6STATS;
1001 l = sizeof(rip6stat);
1002 if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) {
193de620
HP		 1003 if (errno != ENOENT)
1004 perror("Warning: sysctl(net.inet6.ip6.rip6stats)");
984263bc
MD		 1005 return;
1006 }
1007
1008 printf("%s:\n", name);
1009
1010#define p(f, m) if (rip6stat.f || sflag <= 1) \
1011 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f))
1012 p(rip6s_ipackets, "\t%llu message%s received\n");
1013 p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n");
1014 p(rip6s_badsum, "\t%llu message%s with bad checksum\n");
1015 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n");
1016 p(rip6s_nosockmcast,
1017 "\t%llu multicast message%s dropped due to no socket\n");
1018 p(rip6s_fullsock,
1019 "\t%llu message%s dropped due to full socket buffers\n");
1020 delivered = rip6stat.rip6s_ipackets -
1021 rip6stat.rip6s_badsum -
1022 rip6stat.rip6s_nosock -
1023 rip6stat.rip6s_nosockmcast -
1024 rip6stat.rip6s_fullsock;
1025 if (delivered || sflag <= 1)
1026 printf("\t%llu delivered\n", (unsigned long long)delivered);
1027 p(rip6s_opackets, "\t%llu datagram%s output\n");
1028#undef p
1029}
1030
1031/*
1032 * Pretty print an Internet address (net address + port).
1033 * Take numeric_addr and numeric_port into consideration.
1034 */
1035#define GETSERVBYPORT6(port, proto, ret)\
1036{\
1037 if (strcmp((proto), "tcp6") == 0)\
1038 (ret) = getservbyport((int)(port), "tcp");\
1039 else if (strcmp((proto), "udp6") == 0)\
1040 (ret) = getservbyport((int)(port), "udp");\
1041 else\
1042 (ret) = getservbyport((int)(port), (proto));\
1043};
1044
1045void
1046inet6print(struct in6_addr *in6, int port, char *proto, int numeric)
1047{
1048 struct servent *sp = 0;
1049 char line[80], *cp;
1050 int width;
1051
1052 sprintf(line, "%.*s.", Wflag ? 39 :
1053 (Aflag && !numeric) ? 12 : 16, inet6name(in6));
43b4d1bd 1054 cp = strchr(line, '\0');
984263bc
MD		 1055 if (!numeric && port)
1056 GETSERVBYPORT6(port, proto, sp);
1057 if (sp || port == 0)
1058 sprintf(cp, "%.8s", sp ? sp->s_name : "*");
1059 else
1060 sprintf(cp, "%d", ntohs((u_short)port));
6b7d0fec 1061 width = Wflag ? 45 : Aflag ? 17 : 21;
984263bc
MD		 1062 printf("%-*.*s ", width, width, line);
1063}
1064
1065/*
1066 * Construct an Internet address representation.
1067 * If the numeric_addr has been supplied, give
1068 * numeric value, otherwise try for symbolic name.
1069 */
1070
1071char *
1072inet6name(struct in6_addr *in6p)
1073{
6bd457ed 1074 char *cp;
984263bc
MD		 1075 static char line[50];
1076 struct hostent *hp;
1077 static char domain[MAXHOSTNAMELEN];
1078 static int first = 1;
1079
1080 if (first && !numeric_addr) {
1081 first = 0;
1082 if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
43b4d1bd 1083 (cp = strchr(domain, '.')))
984263bc
MD		 1084 (void) strcpy(domain, cp + 1);
1085 else
1086 domain[0] = 0;
1087 }
1088 cp = 0;
1089 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) {
15b85273 1090 hp = gethostbyaddr(in6p, sizeof(*in6p), AF_INET6);
984263bc 1091 if (hp) {
43b4d1bd 1092 if ((cp = strchr(hp->h_name, '.')) &&
984263bc
MD		 1093 !strcmp(cp + 1, domain))
1094 *cp = 0;
1095 cp = hp->h_name;
1096 }
1097 }
1098 if (IN6_IS_ADDR_UNSPECIFIED(in6p))
1099 strcpy(line, "*");
1100 else if (cp)
1101 strcpy(line, cp);
1102 else
1103 sprintf(line, "%s",
1104 inet_ntop(AF_INET6, (void *)in6p, ntop_buf,
1105 sizeof(ntop_buf)));
1106 return (line);
1107}
1108#endif /*INET6*/
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