aboutsummaryrefslogtreecommitdiff
path: root/usr.bin/netstat/inet6.c
blob: 78383ac6a616e3d0ec2df1397df1d89e81357a13 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
/*	BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp	*/
/*-
 * Copyright (c) 1983, 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if 0
#ifndef lint
static char sccsid[] = "@(#)inet6.c	8.4 (Berkeley) 4/20/94";
#endif /* not lint */
#endif

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#ifdef INET6
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/ioctl.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/sysctl.h>

#include <net/route.h>
#include <net/if.h>
#include <net/if_var.h>
#include <netinet/in.h>
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include <netinet/in_systm.h>
#include <netinet6/in6_pcb.h>
#include <netinet6/in6_var.h>
#include <netinet6/ip6_var.h>
#include <netinet6/pim6_var.h>
#include <netinet6/raw_ip6.h>

#include <arpa/inet.h>
#include <netdb.h>

#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"

struct	socket sockb;

char	*inet6name(struct in6_addr *);

static char ntop_buf[INET6_ADDRSTRLEN];

static	const char *ip6nh[] = {
	"hop by hop",
	"ICMP",
	"IGMP",
	"#3",
	"IP",
	"#5",
	"TCP",
	"#7",
	"#8",
	"#9",
	"#10",
	"#11",
	"#12",
	"#13",
	"#14",
	"#15",
	"#16",
	"UDP",
	"#18",
	"#19",
	"#20",
	"#21",
	"IDP",
	"#23",
	"#24",
	"#25",
	"#26",
	"#27",
	"#28",
	"TP",
	"#30",
	"#31",
	"#32",
	"#33",
	"#34",
	"#35",
	"#36",
	"#37",
	"#38",
	"#39",
	"#40",
	"IP6",
	"#42",
	"routing",
	"fragment",
	"#45",
	"#46",
	"#47",
	"#48",
	"#49",
	"ESP",
	"AH",
	"#52",
	"#53",
	"#54",
	"#55",
	"#56",
	"#57",
	"ICMP6",
	"no next header",
	"destination option",
	"#61",
	"mobility",
	"#63",
	"#64",
	"#65",
	"#66",
	"#67",
	"#68",
	"#69",
	"#70",
	"#71",
	"#72",
	"#73",
	"#74",
	"#75",
	"#76",
	"#77",
	"#78",
	"#79",
	"ISOIP",
	"#81",
	"#82",
	"#83",
	"#84",
	"#85",
	"#86",
	"#87",
	"#88",
	"OSPF",
	"#80",
	"#91",
	"#92",
	"#93",
	"#94",
	"#95",
	"#96",
	"Ethernet",
	"#98",
	"#99",
	"#100",
	"#101",
	"#102",
	"PIM",
	"#104",
	"#105",
	"#106",
	"#107",
	"#108",
	"#109",
	"#110",
	"#111",
	"#112",
	"#113",
	"#114",
	"#115",
	"#116",
	"#117",
	"#118",
	"#119",
	"#120",
	"#121",
	"#122",
	"#123",
	"#124",
	"#125",
	"#126",
	"#127",
	"#128",
	"#129",
	"#130",
	"#131",
	"#132",
	"#133",
	"#134",
	"#135",
	"#136",
	"#137",
	"#138",
	"#139",
	"#140",
	"#141",
	"#142",
	"#143",
	"#144",
	"#145",
	"#146",
	"#147",
	"#148",
	"#149",
	"#150",
	"#151",
	"#152",
	"#153",
	"#154",
	"#155",
	"#156",
	"#157",
	"#158",
	"#159",
	"#160",
	"#161",
	"#162",
	"#163",
	"#164",
	"#165",
	"#166",
	"#167",
	"#168",
	"#169",
	"#170",
	"#171",
	"#172",
	"#173",
	"#174",
	"#175",
	"#176",
	"#177",
	"#178",
	"#179",
	"#180",
	"#181",
	"#182",
	"#183",
	"#184",
	"#185",
	"#186",
	"#187",
	"#188",
	"#189",
	"#180",
	"#191",
	"#192",
	"#193",
	"#194",
	"#195",
	"#196",
	"#197",
	"#198",
	"#199",
	"#200",
	"#201",
	"#202",
	"#203",
	"#204",
	"#205",
	"#206",
	"#207",
	"#208",
	"#209",
	"#210",
	"#211",
	"#212",
	"#213",
	"#214",
	"#215",
	"#216",
	"#217",
	"#218",
	"#219",
	"#220",
	"#221",
	"#222",
	"#223",
	"#224",
	"#225",
	"#226",
	"#227",
	"#228",
	"#229",
	"#230",
	"#231",
	"#232",
	"#233",
	"#234",
	"#235",
	"#236",
	"#237",
	"#238",
	"#239",
	"#240",
	"#241",
	"#242",
	"#243",
	"#244",
	"#245",
	"#246",
	"#247",
	"#248",
	"#249",
	"#250",
	"#251",
	"#252",
	"#253",
	"#254",
	"#255",
};

static const char *srcrule_str[] = {
	"first candidate",
	"same address",
	"appropriate scope",
	"deprecated address",
	"home address",
	"outgoing interface",
	"matching label",
	"public/temporary address",
	"alive interface",
	"preferred interface",
	"rule #10",
	"rule #11",
	"rule #12",
	"rule #13",
	"longest match",
	"rule #15",
};

/*
 * Dump IP6 statistics structure.
 */
void
ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
	struct ip6stat ip6stat, zerostat;
	int first, i;
	size_t len;

	len = sizeof ip6stat;
	if (live) {
		memset(&ip6stat, 0, len);
		if (zflag)
			memset(&zerostat, 0, len);
		if (sysctlbyname("net.inet6.ip6.stats", &ip6stat, &len,
		    zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
			if (errno != ENOENT)
				warn("sysctl: net.inet6.ip6.stats");
			return;
		}
	} else
		kread_counters(off, &ip6stat, len);

	printf("%s:\n", name);

#define	p(f, m) if (ip6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ip6stat.f, plural(ip6stat.f))
#define	p1a(f, m) if (ip6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ip6stat.f)

	p(ip6s_total, "\t%ju total packet%s received\n");
	p1a(ip6s_toosmall, "\t%ju with size smaller than minimum\n");
	p1a(ip6s_tooshort, "\t%ju with data size < data length\n");
	p1a(ip6s_badoptions, "\t%ju with bad options\n");
	p1a(ip6s_badvers, "\t%ju with incorrect version number\n");
	p(ip6s_fragments, "\t%ju fragment%s received\n");
	p(ip6s_fragdropped, "\t%ju fragment%s dropped (dup or out of space)\n");
	p(ip6s_fragtimeout, "\t%ju fragment%s dropped after timeout\n");
	p(ip6s_fragoverflow, "\t%ju fragment%s that exceeded limit\n");
	p(ip6s_reassembled, "\t%ju packet%s reassembled ok\n");
	p(ip6s_delivered, "\t%ju packet%s for this host\n");
	p(ip6s_forward, "\t%ju packet%s forwarded\n");
	p(ip6s_cantforward, "\t%ju packet%s not forwardable\n");
	p(ip6s_redirectsent, "\t%ju redirect%s sent\n");
	p(ip6s_localout, "\t%ju packet%s sent from this host\n");
	p(ip6s_rawout, "\t%ju packet%s sent with fabricated ip header\n");
	p(ip6s_odropped, "\t%ju output packet%s dropped due to no bufs, etc.\n");
	p(ip6s_noroute, "\t%ju output packet%s discarded due to no route\n");
	p(ip6s_fragmented, "\t%ju output datagram%s fragmented\n");
	p(ip6s_ofragments, "\t%ju fragment%s created\n");
	p(ip6s_cantfrag, "\t%ju datagram%s that can't be fragmented\n");
	p(ip6s_badscope, "\t%ju packet%s that violated scope rules\n");
	p(ip6s_notmember, "\t%ju multicast packet%s which we don't join\n");
	for (first = 1, i = 0; i < IP6S_HDRCNT; i++)
		if (ip6stat.ip6s_nxthist[i] != 0) {
			if (first) {
				printf("\tInput histogram:\n");
				first = 0;
			}
			printf("\t\t%s: %ju\n", ip6nh[i],
			    (uintmax_t)ip6stat.ip6s_nxthist[i]);
		}
	printf("\tMbuf statistics:\n");
	printf("\t\t%ju one mbuf\n", (uintmax_t)ip6stat.ip6s_m1);
	for (first = 1, i = 0; i < IP6S_M2MMAX; i++) {
		char ifbuf[IFNAMSIZ];
		if (ip6stat.ip6s_m2m[i] != 0) {
			if (first) {
				printf("\t\ttwo or more mbuf:\n");
				first = 0;
			}
			printf("\t\t\t%s= %ju\n",
			    if_indextoname(i, ifbuf),
			    (uintmax_t)ip6stat.ip6s_m2m[i]);
		}
	}
	printf("\t\t%ju one ext mbuf\n",
	    (uintmax_t)ip6stat.ip6s_mext1);
	printf("\t\t%ju two or more ext mbuf\n",
	    (uintmax_t)ip6stat.ip6s_mext2m);
	p(ip6s_exthdrtoolong,
	    "\t%ju packet%s whose headers are not contiguous\n");
	p(ip6s_nogif, "\t%ju tunneling packet%s that can't find gif\n");
	p(ip6s_toomanyhdr,
	    "\t%ju packet%s discarded because of too many headers\n");

	/* for debugging source address selection */
#define	PRINT_SCOPESTAT(s,i) do {\
		switch(i) { /* XXX hardcoding in each case */\
		case 1:\
			p(s, "\t\t%ju interface-local%s\n");\
			break;\
		case 2:\
			p(s,"\t\t%ju link-local%s\n");\
			break;\
		case 5:\
			p(s,"\t\t%ju site-local%s\n");\
			break;\
		case 14:\
			p(s,"\t\t%ju global%s\n");\
			break;\
		default:\
			printf("\t\t%ju addresses scope=%x\n",\
			    (uintmax_t)ip6stat.s, i);\
		}\
	} while (0);

	p(ip6s_sources_none,
	  "\t%ju failure%s of source address selection\n");
	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
		if (ip6stat.ip6s_sources_sameif[i]) {
			if (first) {
				printf("\tsource addresses on an outgoing I/F\n");
				first = 0;
			}
			PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
		}
	}
	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
		if (ip6stat.ip6s_sources_otherif[i]) {
			if (first) {
				printf("\tsource addresses on a non-outgoing I/F\n");
				first = 0;
			}
			PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
		}
	}
	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
		if (ip6stat.ip6s_sources_samescope[i]) {
			if (first) {
				printf("\tsource addresses of same scope\n");
				first = 0;
			}
			PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
		}
	}
	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
		if (ip6stat.ip6s_sources_otherscope[i]) {
			if (first) {
				printf("\tsource addresses of a different scope\n");
				first = 0;
			}
			PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
		}
	}
	for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
		if (ip6stat.ip6s_sources_deprecated[i]) {
			if (first) {
				printf("\tdeprecated source addresses\n");
				first = 0;
			}
			PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
		}
	}

	printf("\tSource addresses selection rule applied:\n");
	for (i = 0; i < IP6S_RULESMAX; i++) {
		if (ip6stat.ip6s_sources_rule[i])
			printf("\t\t%ju %s\n",
			       (uintmax_t)ip6stat.ip6s_sources_rule[i],
			       srcrule_str[i]);
	}
#undef p
#undef p1a
}

/*
 * Dump IPv6 per-interface statistics based on RFC 2465.
 */
void
ip6_ifstats(char *ifname)
{
	struct in6_ifreq ifr;
	int s;
#define	p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
#define	p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ip6stat.f)

	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
		perror("Warning: socket(AF_INET6)");
		return;
	}

	strcpy(ifr.ifr_name, ifname);
	printf("ip6 on %s:\n", ifr.ifr_name);

	if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
		perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
		goto end;
	}

	p(ifs6_in_receive, "\t%ju total input datagram%s\n");
	p(ifs6_in_hdrerr, "\t%ju datagram%s with invalid header received\n");
	p(ifs6_in_toobig, "\t%ju datagram%s exceeded MTU received\n");
	p(ifs6_in_noroute, "\t%ju datagram%s with no route received\n");
	p(ifs6_in_addrerr, "\t%ju datagram%s with invalid dst received\n");
	p(ifs6_in_protounknown, "\t%ju datagram%s with unknown proto received\n");
	p(ifs6_in_truncated, "\t%ju truncated datagram%s received\n");
	p(ifs6_in_discard, "\t%ju input datagram%s discarded\n");
	p(ifs6_in_deliver,
	  "\t%ju datagram%s delivered to an upper layer protocol\n");
	p(ifs6_out_forward, "\t%ju datagram%s forwarded to this interface\n");
	p(ifs6_out_request,
	  "\t%ju datagram%s sent from an upper layer protocol\n");
	p(ifs6_out_discard, "\t%ju total discarded output datagram%s\n");
	p(ifs6_out_fragok, "\t%ju output datagram%s fragmented\n");
	p(ifs6_out_fragfail, "\t%ju output datagram%s failed on fragment\n");
	p(ifs6_out_fragcreat, "\t%ju output datagram%s succeeded on fragment\n");
	p(ifs6_reass_reqd, "\t%ju incoming datagram%s fragmented\n");
	p(ifs6_reass_ok, "\t%ju datagram%s reassembled\n");
	p(ifs6_reass_fail, "\t%ju datagram%s failed on reassembly\n");
	p(ifs6_in_mcast, "\t%ju multicast datagram%s received\n");
	p(ifs6_out_mcast, "\t%ju multicast datagram%s sent\n");

  end:
	close(s);

#undef p
#undef p_5
}

static	const char *icmp6names[] = {
	"#0",
	"unreach",
	"packet too big",
	"time exceed",
	"parameter problem",
	"#5",
	"#6",
	"#7",
	"#8",
	"#9",
	"#10",
	"#11",
	"#12",
	"#13",
	"#14",
	"#15",
	"#16",
	"#17",
	"#18",
	"#19",
	"#20",
	"#21",
	"#22",
	"#23",
	"#24",
	"#25",
	"#26",
	"#27",
	"#28",
	"#29",
	"#30",
	"#31",
	"#32",
	"#33",
	"#34",
	"#35",
	"#36",
	"#37",
	"#38",
	"#39",
	"#40",
	"#41",
	"#42",
	"#43",
	"#44",
	"#45",
	"#46",
	"#47",
	"#48",
	"#49",
	"#50",
	"#51",
	"#52",
	"#53",
	"#54",
	"#55",
	"#56",
	"#57",
	"#58",
	"#59",
	"#60",
	"#61",
	"#62",
	"#63",
	"#64",
	"#65",
	"#66",
	"#67",
	"#68",
	"#69",
	"#70",
	"#71",
	"#72",
	"#73",
	"#74",
	"#75",
	"#76",
	"#77",
	"#78",
	"#79",
	"#80",
	"#81",
	"#82",
	"#83",
	"#84",
	"#85",
	"#86",
	"#87",
	"#88",
	"#89",
	"#80",
	"#91",
	"#92",
	"#93",
	"#94",
	"#95",
	"#96",
	"#97",
	"#98",
	"#99",
	"#100",
	"#101",
	"#102",
	"#103",
	"#104",
	"#105",
	"#106",
	"#107",
	"#108",
	"#109",
	"#110",
	"#111",
	"#112",
	"#113",
	"#114",
	"#115",
	"#116",
	"#117",
	"#118",
	"#119",
	"#120",
	"#121",
	"#122",
	"#123",
	"#124",
	"#125",
	"#126",
	"#127",
	"echo",
	"echo reply",
	"multicast listener query",
	"MLDv1 listener report",
	"MLDv1 listener done",
	"router solicitation",
	"router advertisement",
	"neighbor solicitation",
	"neighbor advertisement",
	"redirect",
	"router renumbering",
	"node information request",
	"node information reply",
	"inverse neighbor solicitation",
	"inverse neighbor advertisement",
	"MLDv2 listener report",
	"#144",
	"#145",
	"#146",
	"#147",
	"#148",
	"#149",
	"#150",
	"#151",
	"#152",
	"#153",
	"#154",
	"#155",
	"#156",
	"#157",
	"#158",
	"#159",
	"#160",
	"#161",
	"#162",
	"#163",
	"#164",
	"#165",
	"#166",
	"#167",
	"#168",
	"#169",
	"#170",
	"#171",
	"#172",
	"#173",
	"#174",
	"#175",
	"#176",
	"#177",
	"#178",
	"#179",
	"#180",
	"#181",
	"#182",
	"#183",
	"#184",
	"#185",
	"#186",
	"#187",
	"#188",
	"#189",
	"#180",
	"#191",
	"#192",
	"#193",
	"#194",
	"#195",
	"#196",
	"#197",
	"#198",
	"#199",
	"#200",
	"#201",
	"#202",
	"#203",
	"#204",
	"#205",
	"#206",
	"#207",
	"#208",
	"#209",
	"#210",
	"#211",
	"#212",
	"#213",
	"#214",
	"#215",
	"#216",
	"#217",
	"#218",
	"#219",
	"#220",
	"#221",
	"#222",
	"#223",
	"#224",
	"#225",
	"#226",
	"#227",
	"#228",
	"#229",
	"#230",
	"#231",
	"#232",
	"#233",
	"#234",
	"#235",
	"#236",
	"#237",
	"#238",
	"#239",
	"#240",
	"#241",
	"#242",
	"#243",
	"#244",
	"#245",
	"#246",
	"#247",
	"#248",
	"#249",
	"#250",
	"#251",
	"#252",
	"#253",
	"#254",
	"#255",
};

/*
 * Dump ICMP6 statistics.
 */
void
icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
	struct icmp6stat icmp6stat, zerostat;
	int i, first;
	size_t len;

	len = sizeof icmp6stat;
	if (live) {
		memset(&icmp6stat, 0, len);
		if (zflag)
			memset(&zerostat, 0, len);
		if (sysctlbyname("net.inet6.icmp6.stats", &icmp6stat, &len,
		    zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
			if (errno != ENOENT)
				warn("sysctl: net.inet6.icmp6.stats");
			return;
		}
	} else
		kread_counters(off, &icmp6stat, len);

	printf("%s:\n", name);

#define	p(f, m) if (icmp6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f))
#define	p_5(f, m) if (icmp6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)icmp6stat.f)

	p(icp6s_error, "\t%ju call%s to icmp6_error\n");
	p(icp6s_canterror,
	    "\t%ju error%s not generated in response to an icmp6 message\n");
	p(icp6s_toofreq,
	  "\t%ju error%s not generated because of rate limitation\n");
#define	NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
	for (first = 1, i = 0; i < NELEM; i++)
		if (icmp6stat.icp6s_outhist[i] != 0) {
			if (first) {
				printf("\tOutput histogram:\n");
				first = 0;
			}
			printf("\t\t%s: %ju\n", icmp6names[i],
			    (uintmax_t)icmp6stat.icp6s_outhist[i]);
		}
#undef NELEM
	p(icp6s_badcode, "\t%ju message%s with bad code fields\n");
	p(icp6s_tooshort, "\t%ju message%s < minimum length\n");
	p(icp6s_checksum, "\t%ju bad checksum%s\n");
	p(icp6s_badlen, "\t%ju message%s with bad length\n");
#define	NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
	for (first = 1, i = 0; i < NELEM; i++)
		if (icmp6stat.icp6s_inhist[i] != 0) {
			if (first) {
				printf("\tInput histogram:\n");
				first = 0;
			}
			printf("\t\t%s: %ju\n", icmp6names[i],
			    (uintmax_t)icmp6stat.icp6s_inhist[i]);
		}
#undef NELEM
	printf("\tHistogram of error messages to be generated:\n");
	p_5(icp6s_odst_unreach_noroute, "\t\t%ju no route\n");
	p_5(icp6s_odst_unreach_admin, "\t\t%ju administratively prohibited\n");
	p_5(icp6s_odst_unreach_beyondscope, "\t\t%ju beyond scope\n");
	p_5(icp6s_odst_unreach_addr, "\t\t%ju address unreachable\n");
	p_5(icp6s_odst_unreach_noport, "\t\t%ju port unreachable\n");
	p_5(icp6s_opacket_too_big, "\t\t%ju packet too big\n");
	p_5(icp6s_otime_exceed_transit, "\t\t%ju time exceed transit\n");
	p_5(icp6s_otime_exceed_reassembly, "\t\t%ju time exceed reassembly\n");
	p_5(icp6s_oparamprob_header, "\t\t%ju erroneous header field\n");
	p_5(icp6s_oparamprob_nextheader, "\t\t%ju unrecognized next header\n");
	p_5(icp6s_oparamprob_option, "\t\t%ju unrecognized option\n");
	p_5(icp6s_oredirect, "\t\t%ju redirect\n");
	p_5(icp6s_ounknown, "\t\t%ju unknown\n");

	p(icp6s_reflect, "\t%ju message response%s generated\n");
	p(icp6s_nd_toomanyopt, "\t%ju message%s with too many ND options\n");
	p(icp6s_nd_badopt, "\t%ju message%s with bad ND options\n");
	p(icp6s_badns, "\t%ju bad neighbor solicitation message%s\n");
	p(icp6s_badna, "\t%ju bad neighbor advertisement message%s\n");
	p(icp6s_badrs, "\t%ju bad router solicitation message%s\n");
	p(icp6s_badra, "\t%ju bad router advertisement message%s\n");
	p(icp6s_badredirect, "\t%ju bad redirect message%s\n");
	p(icp6s_pmtuchg, "\t%ju path MTU change%s\n");
#undef p
#undef p_5
}

/*
 * Dump ICMPv6 per-interface statistics based on RFC 2466.
 */
void
icmp6_ifstats(char *ifname)
{
	struct in6_ifreq ifr;
	int s;
#define	p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
#define	p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, pluralies(ifr.ifr_ifru.ifru_icmp6stat.f))

	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
		perror("Warning: socket(AF_INET6)");
		return;
	}

	strcpy(ifr.ifr_name, ifname);
	printf("icmp6 on %s:\n", ifr.ifr_name);

	if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
		perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
		goto end;
	}

	p(ifs6_in_msg, "\t%ju total input message%s\n");
	p(ifs6_in_error, "\t%ju total input error message%s\n");
	p(ifs6_in_dstunreach, "\t%ju input destination unreachable error%s\n");
	p(ifs6_in_adminprohib, "\t%ju input administratively prohibited error%s\n");
	p(ifs6_in_timeexceed, "\t%ju input time exceeded error%s\n");
	p(ifs6_in_paramprob, "\t%ju input parameter problem error%s\n");
	p(ifs6_in_pkttoobig, "\t%ju input packet too big error%s\n");
	p(ifs6_in_echo, "\t%ju input echo request%s\n");
	p2(ifs6_in_echoreply, "\t%ju input echo repl%s\n");
	p(ifs6_in_routersolicit, "\t%ju input router solicitation%s\n");
	p(ifs6_in_routeradvert, "\t%ju input router advertisement%s\n");
	p(ifs6_in_neighborsolicit, "\t%ju input neighbor solicitation%s\n");
	p(ifs6_in_neighboradvert, "\t%ju input neighbor advertisement%s\n");
	p(ifs6_in_redirect, "\t%ju input redirect%s\n");
	p2(ifs6_in_mldquery, "\t%ju input MLD quer%s\n");
	p(ifs6_in_mldreport, "\t%ju input MLD report%s\n");
	p(ifs6_in_mlddone, "\t%ju input MLD done%s\n");

	p(ifs6_out_msg, "\t%ju total output message%s\n");
	p(ifs6_out_error, "\t%ju total output error message%s\n");
	p(ifs6_out_dstunreach, "\t%ju output destination unreachable error%s\n");
	p(ifs6_out_adminprohib, "\t%ju output administratively prohibited error%s\n");
	p(ifs6_out_timeexceed, "\t%ju output time exceeded error%s\n");
	p(ifs6_out_paramprob, "\t%ju output parameter problem error%s\n");
	p(ifs6_out_pkttoobig, "\t%ju output packet too big error%s\n");
	p(ifs6_out_echo, "\t%ju output echo request%s\n");
	p2(ifs6_out_echoreply, "\t%ju output echo repl%s\n");
	p(ifs6_out_routersolicit, "\t%ju output router solicitation%s\n");
	p(ifs6_out_routeradvert, "\t%ju output router advertisement%s\n");
	p(ifs6_out_neighborsolicit, "\t%ju output neighbor solicitation%s\n");
	p(ifs6_out_neighboradvert, "\t%ju output neighbor advertisement%s\n");
	p(ifs6_out_redirect, "\t%ju output redirect%s\n");
	p2(ifs6_out_mldquery, "\t%ju output MLD quer%s\n");
	p(ifs6_out_mldreport, "\t%ju output MLD report%s\n");
	p(ifs6_out_mlddone, "\t%ju output MLD done%s\n");

  end:
	close(s);
#undef p
}

/*
 * Dump PIM statistics structure.
 */
void
pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
	struct pim6stat pim6stat, zerostat;
	size_t len = sizeof pim6stat;

	if (live) {
		if (zflag)
			memset(&zerostat, 0, len);
		if (sysctlbyname("net.inet6.pim.stats", &pim6stat, &len,
		    zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
			if (errno != ENOENT)
				warn("sysctl: net.inet6.pim.stats");
			return;
		}
	} else {
		if (off == 0)
			return;
		kread(off, &pim6stat, len);
	}

	printf("%s:\n", name);

#define	p(f, m) if (pim6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)pim6stat.f, plural(pim6stat.f))
	p(pim6s_rcv_total, "\t%ju message%s received\n");
	p(pim6s_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
	p(pim6s_rcv_badsum, "\t%ju message%s received with bad checksum\n");
	p(pim6s_rcv_badversion, "\t%ju message%s received with bad version\n");
	p(pim6s_rcv_registers, "\t%ju register%s received\n");
	p(pim6s_rcv_badregisters, "\t%ju bad register%s received\n");
	p(pim6s_snd_registers, "\t%ju register%s sent\n");
#undef p
}

/*
 * Dump raw ip6 statistics structure.
 */
void
rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
	struct rip6stat rip6stat, zerostat;
	u_quad_t delivered;
	size_t len;

	len = sizeof(rip6stat);
	if (live) {
		if (zflag)
			memset(&zerostat, 0, len);
		if (sysctlbyname("net.inet6.ip6.rip6stats", &rip6stat, &len,
		    zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
			if (errno != ENOENT)
				warn("sysctl: net.inet6.ip6.rip6stats");
			return;
		}
	} else
		kread_counters(off, &rip6stat, len);

	printf("%s:\n", name);

#define	p(f, m) if (rip6stat.f || sflag <= 1) \
    printf(m, (uintmax_t)rip6stat.f, plural(rip6stat.f))
	p(rip6s_ipackets, "\t%ju message%s received\n");
	p(rip6s_isum, "\t%ju checksum calculation%s on inbound\n");
	p(rip6s_badsum, "\t%ju message%s with bad checksum\n");
	p(rip6s_nosock, "\t%ju message%s dropped due to no socket\n");
	p(rip6s_nosockmcast,
	    "\t%ju multicast message%s dropped due to no socket\n");
	p(rip6s_fullsock,
	    "\t%ju message%s dropped due to full socket buffers\n");
	delivered = rip6stat.rip6s_ipackets -
		    rip6stat.rip6s_badsum -
		    rip6stat.rip6s_nosock -
		    rip6stat.rip6s_nosockmcast -
		    rip6stat.rip6s_fullsock;
	if (delivered || sflag <= 1)
		printf("\t%ju delivered\n", (uintmax_t)delivered);
	p(rip6s_opackets, "\t%ju datagram%s output\n");
#undef p
}

/*
 * Pretty print an Internet address (net address + port).
 * Take numeric_addr and numeric_port into consideration.
 */
#define	GETSERVBYPORT6(port, proto, ret)\
{\
	if (strcmp((proto), "tcp6") == 0)\
		(ret) = getservbyport((int)(port), "tcp");\
	else if (strcmp((proto), "udp6") == 0)\
		(ret) = getservbyport((int)(port), "udp");\
	else\
		(ret) = getservbyport((int)(port), (proto));\
};

void
inet6print(struct in6_addr *in6, int port, const char *proto, int numeric)
{
	struct servent *sp = 0;
	char line[80], *cp;
	int width;

	sprintf(line, "%.*s.", Wflag ? 39 :
		(Aflag && !numeric) ? 12 : 16, inet6name(in6));
	cp = strchr(line, '\0');
	if (!numeric && port)
		GETSERVBYPORT6(port, proto, sp);
	if (sp || port == 0)
		sprintf(cp, "%.15s", sp ? sp->s_name : "*");
	else
		sprintf(cp, "%d", ntohs((u_short)port));
	width = Wflag ? 45 : Aflag ? 18 : 22;
	printf("%-*.*s ", width, width, line);
}

/*
 * Construct an Internet address representation.
 * If the numeric_addr has been supplied, give
 * numeric value, otherwise try for symbolic name.
 */

char *
inet6name(struct in6_addr *in6p)
{
	struct sockaddr_in6 sin6;
	char hbuf[NI_MAXHOST], *cp;
	static char line[50];
	static char domain[MAXHOSTNAMELEN];
	static int first = 1;
	int flags, error;

	if (IN6_IS_ADDR_UNSPECIFIED(in6p)) {
		strcpy(line, "*");
		return (line);
	}
	if (first && !numeric_addr) {
		first = 0;
		if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
		    (cp = strchr(domain, '.')))
			(void) strcpy(domain, cp + 1);
		else
			domain[0] = 0;
	}
	memset(&sin6, 0, sizeof(sin6));
	memcpy(&sin6.sin6_addr, in6p, sizeof(*in6p));
	sin6.sin6_family = AF_INET6;
	/* XXX: in6p.s6_addr[2] can contain scopeid. */ 
	in6_fillscopeid(&sin6);
	flags = (numeric_addr) ? NI_NUMERICHOST : 0;
	error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf,
	    sizeof(hbuf), NULL, 0, flags);
	if (error == 0) {
		if ((flags & NI_NUMERICHOST) == 0 &&
		    (cp = strchr(hbuf, '.')) &&
		    !strcmp(cp + 1, domain))
			*cp = 0;
		strcpy(line, hbuf);
	} else {
		/* XXX: this should not happen. */
		sprintf(line, "%s",
			inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf,
				sizeof(ntop_buf)));
	}
	return (line);
}
#endif /*INET6*/