inet6.c revision 78931
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: head/usr.bin/netstat/inet6.c 78931 2001-06-28 18:06:15Z ume $ 35 */ 36 37#ifndef lint 38/* 39static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94"; 40*/ 41#endif /* not lint */ 42 43#ifdef INET6 44#include <sys/param.h> 45#include <sys/socket.h> 46#include <sys/socketvar.h> 47#include <sys/ioctl.h> 48#include <sys/mbuf.h> 49#include <sys/protosw.h> 50#include <sys/sysctl.h> 51 52#include <net/route.h> 53#include <net/if.h> 54#include <net/if_var.h> 55#include <netinet/in.h> 56#include <netinet/ip6.h> 57#include <netinet/icmp6.h> 58#include <netinet/in_systm.h> 59#include <netinet6/in6_pcb.h> 60#include <netinet6/in6_var.h> 61#include <netinet6/ip6_var.h> 62#include <netinet6/pim6_var.h> 63#include <netinet6/raw_ip6.h> 64 65#include <arpa/inet.h> 66#include <netdb.h> 67 68#include <stdio.h> 69#include <string.h> 70#include <unistd.h> 71#include "netstat.h" 72 73struct socket sockb; 74 75char *inet6name (struct in6_addr *); 76void inet6print (struct in6_addr *, int, char *, int); 77 78static char ntop_buf[INET6_ADDRSTRLEN]; 79 80static char *ip6nh[] = { 81 "hop by hop", 82 "ICMP", 83 "IGMP", 84 "#3", 85 "IP", 86 "#5", 87 "TCP", 88 "#7", 89 "#8", 90 "#9", 91 "#10", 92 "#11", 93 "#12", 94 "#13", 95 "#14", 96 "#15", 97 "#16", 98 "UDP", 99 "#18", 100 "#19", 101 "#20", 102 "#21", 103 "IDP", 104 "#23", 105 "#24", 106 "#25", 107 "#26", 108 "#27", 109 "#28", 110 "TP", 111 "#30", 112 "#31", 113 "#32", 114 "#33", 115 "#34", 116 "#35", 117 "#36", 118 "#37", 119 "#38", 120 "#39", 121 "#40", 122 "IP6", 123 "#42", 124 "routing", 125 "fragment", 126 "#45", 127 "#46", 128 "#47", 129 "#48", 130 "#49", 131 "ESP", 132 "AH", 133 "#52", 134 "#53", 135 "#54", 136 "#55", 137 "#56", 138 "#57", 139 "ICMP6", 140 "no next header", 141 "destination option", 142 "#61", 143 "#62", 144 "#63", 145 "#64", 146 "#65", 147 "#66", 148 "#67", 149 "#68", 150 "#69", 151 "#70", 152 "#71", 153 "#72", 154 "#73", 155 "#74", 156 "#75", 157 "#76", 158 "#77", 159 "#78", 160 "#79", 161 "ISOIP", 162 "#81", 163 "#82", 164 "#83", 165 "#84", 166 "#85", 167 "#86", 168 "#87", 169 "#88", 170 "OSPF", 171 "#80", 172 "#91", 173 "#92", 174 "#93", 175 "#94", 176 "#95", 177 "#96", 178 "Ethernet", 179 "#98", 180 "#99", 181 "#100", 182 "#101", 183 "#102", 184 "PIM", 185 "#104", 186 "#105", 187 "#106", 188 "#107", 189 "#108", 190 "#109", 191 "#110", 192 "#111", 193 "#112", 194 "#113", 195 "#114", 196 "#115", 197 "#116", 198 "#117", 199 "#118", 200 "#119", 201 "#120", 202 "#121", 203 "#122", 204 "#123", 205 "#124", 206 "#125", 207 "#126", 208 "#127", 209 "#128", 210 "#129", 211 "#130", 212 "#131", 213 "#132", 214 "#133", 215 "#134", 216 "#135", 217 "#136", 218 "#137", 219 "#138", 220 "#139", 221 "#140", 222 "#141", 223 "#142", 224 "#143", 225 "#144", 226 "#145", 227 "#146", 228 "#147", 229 "#148", 230 "#149", 231 "#150", 232 "#151", 233 "#152", 234 "#153", 235 "#154", 236 "#155", 237 "#156", 238 "#157", 239 "#158", 240 "#159", 241 "#160", 242 "#161", 243 "#162", 244 "#163", 245 "#164", 246 "#165", 247 "#166", 248 "#167", 249 "#168", 250 "#169", 251 "#170", 252 "#171", 253 "#172", 254 "#173", 255 "#174", 256 "#175", 257 "#176", 258 "#177", 259 "#178", 260 "#179", 261 "#180", 262 "#181", 263 "#182", 264 "#183", 265 "#184", 266 "#185", 267 "#186", 268 "#187", 269 "#188", 270 "#189", 271 "#180", 272 "#191", 273 "#192", 274 "#193", 275 "#194", 276 "#195", 277 "#196", 278 "#197", 279 "#198", 280 "#199", 281 "#200", 282 "#201", 283 "#202", 284 "#203", 285 "#204", 286 "#205", 287 "#206", 288 "#207", 289 "#208", 290 "#209", 291 "#210", 292 "#211", 293 "#212", 294 "#213", 295 "#214", 296 "#215", 297 "#216", 298 "#217", 299 "#218", 300 "#219", 301 "#220", 302 "#221", 303 "#222", 304 "#223", 305 "#224", 306 "#225", 307 "#226", 308 "#227", 309 "#228", 310 "#229", 311 "#230", 312 "#231", 313 "#232", 314 "#233", 315 "#234", 316 "#235", 317 "#236", 318 "#237", 319 "#238", 320 "#239", 321 "#240", 322 "#241", 323 "#242", 324 "#243", 325 "#244", 326 "#245", 327 "#246", 328 "#247", 329 "#248", 330 "#249", 331 "#250", 332 "#251", 333 "#252", 334 "#253", 335 "#254", 336 "#255", 337}; 338 339/* 340 * Dump IP6 statistics structure. 341 */ 342void 343ip6_stats(u_long off __unused, char *name, int af __unused) 344{ 345 struct ip6stat ip6stat; 346 int first, i; 347 int mib[4]; 348 size_t len; 349 350 mib[0] = CTL_NET; 351 mib[1] = PF_INET6; 352 mib[2] = IPPROTO_IPV6; 353 mib[3] = IPV6CTL_STATS; 354 355 len = sizeof ip6stat; 356 memset(&ip6stat, 0, len); 357 if (sysctl(mib, 4, &ip6stat, &len, (void *)0, 0) < 0) 358 return; 359 printf("%s:\n", name); 360 361#define p(f, m) if (ip6stat.f || sflag <= 1) \ 362 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 363#define p1a(f, m) if (ip6stat.f || sflag <= 1) \ 364 printf(m, (unsigned long long)ip6stat.f) 365 366 p(ip6s_total, "\t%llu total packet%s received\n"); 367 p1a(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 368 p1a(ip6s_tooshort, "\t%llu with data size < data length\n"); 369 p1a(ip6s_badoptions, "\t%llu with bad options\n"); 370 p1a(ip6s_badvers, "\t%llu with incorrect version number\n"); 371 p(ip6s_fragments, "\t%llu fragment%s received\n"); 372 p(ip6s_fragdropped, "\t%llu fragment%s dropped (dup or out of space)\n"); 373 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 374 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 375 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 376 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 377 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 378 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 379 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 380 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 381 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 382 p(ip6s_odropped, "\t%llu output packet%s dropped due to no bufs, etc.\n"); 383 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 384 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 385 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 386 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 387 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 388 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 389 for (first = 1, i = 0; i < 256; i++) 390 if (ip6stat.ip6s_nxthist[i] != 0) { 391 if (first) { 392 printf("\tInput histogram:\n"); 393 first = 0; 394 } 395 printf("\t\t%s: %llu\n", ip6nh[i], 396 (unsigned long long)ip6stat.ip6s_nxthist[i]); 397 } 398 printf("\tMbuf statistics:\n"); 399 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1); 400 for (first = 1, i = 0; i < 32; i++) { 401 char ifbuf[IFNAMSIZ]; 402 if (ip6stat.ip6s_m2m[i] != 0) { 403 if (first) { 404 printf("\t\ttwo or more mbuf:\n"); 405 first = 0; 406 } 407 printf("\t\t\t%s= %llu\n", 408 if_indextoname(i, ifbuf), 409 (unsigned long long)ip6stat.ip6s_m2m[i]); 410 } 411 } 412 printf("\t\t%llu one ext mbuf\n", 413 (unsigned long long)ip6stat.ip6s_mext1); 414 printf("\t\t%llu two or more ext mbuf\n", 415 (unsigned long long)ip6stat.ip6s_mext2m); 416 p(ip6s_exthdrtoolong, 417 "\t%llu packet%s whose headers are not continuous\n"); 418 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 419 p(ip6s_toomanyhdr, 420 "\t%llu packet%s discarded due to too may headers\n"); 421 422 /* for debugging source address selection */ 423#define PRINT_SCOPESTAT(s,i) do {\ 424 switch(i) { /* XXX hardcoding in each case */\ 425 case 1:\ 426 p(s, "\t\t%llu node-local%s\n");\ 427 break;\ 428 case 2:\ 429 p(s,"\t\t%llu link-local%s\n");\ 430 break;\ 431 case 5:\ 432 p(s,"\t\t%llu site-local%s\n");\ 433 break;\ 434 case 14:\ 435 p(s,"\t\t%llu global%s\n");\ 436 break;\ 437 default:\ 438 printf("\t\t%llu addresses scope=%x\n",\ 439 (unsigned long long)ip6stat.s, i);\ 440 }\ 441 } while (0); 442 443 p(ip6s_sources_none, 444 "\t%llu failure%s of source address selection\n"); 445 for (first = 1, i = 0; i < 16; i++) { 446 if (ip6stat.ip6s_sources_sameif[i]) { 447 if (first) { 448 printf("\tsource addresses on an outgoing I/F\n"); 449 first = 0; 450 } 451 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 452 } 453 } 454 for (first = 1, i = 0; i < 16; i++) { 455 if (ip6stat.ip6s_sources_otherif[i]) { 456 if (first) { 457 printf("\tsource addresses on a non-outgoing I/F\n"); 458 first = 0; 459 } 460 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 461 } 462 } 463 for (first = 1, i = 0; i < 16; i++) { 464 if (ip6stat.ip6s_sources_samescope[i]) { 465 if (first) { 466 printf("\tsource addresses of same scope\n"); 467 first = 0; 468 } 469 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 470 } 471 } 472 for (first = 1, i = 0; i < 16; i++) { 473 if (ip6stat.ip6s_sources_otherscope[i]) { 474 if (first) { 475 printf("\tsource addresses of a different scope\n"); 476 first = 0; 477 } 478 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 479 } 480 } 481 for (first = 1, i = 0; i < 16; i++) { 482 if (ip6stat.ip6s_sources_deprecated[i]) { 483 if (first) { 484 printf("\tdeprecated source addresses\n"); 485 first = 0; 486 } 487 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 488 } 489 } 490 491 p1a(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 492 p1a(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 493#undef p 494#undef p1a 495} 496 497/* 498 * Dump IPv6 per-interface statistics based on RFC 2465. 499 */ 500void 501ip6_ifstats(char *ifname) 502{ 503 struct in6_ifreq ifr; 504 int s; 505#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 506 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f)) 507#define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 508 printf(m, (unsigned long long)ip6stat.f) 509 510 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 511 perror("Warning: socket(AF_INET6)"); 512 return; 513 } 514 515 strcpy(ifr.ifr_name, ifname); 516 printf("ip6 on %s:\n", ifr.ifr_name); 517 518 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 519 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 520 goto end; 521 } 522 523 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 524 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 525 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 526 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 527 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 528 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 529 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 530 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 531 p(ifs6_in_deliver, 532 "\t%llu datagram%s delivered to an upper layer protocol\n"); 533 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 534 p(ifs6_out_request, 535 "\t%llu datagram%s sent from an upper layer protocol\n"); 536 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 537 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 538 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 539 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 540 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 541 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 542 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 543 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 544 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 545 546 end: 547 close(s); 548 549#undef p 550#undef p_5 551} 552 553static char *icmp6names[] = { 554 "#0", 555 "unreach", 556 "packet too big", 557 "time exceed", 558 "parameter problem", 559 "#5", 560 "#6", 561 "#7", 562 "#8", 563 "#9", 564 "#10", 565 "#11", 566 "#12", 567 "#13", 568 "#14", 569 "#15", 570 "#16", 571 "#17", 572 "#18", 573 "#19", 574 "#20", 575 "#21", 576 "#22", 577 "#23", 578 "#24", 579 "#25", 580 "#26", 581 "#27", 582 "#28", 583 "#29", 584 "#30", 585 "#31", 586 "#32", 587 "#33", 588 "#34", 589 "#35", 590 "#36", 591 "#37", 592 "#38", 593 "#39", 594 "#40", 595 "#41", 596 "#42", 597 "#43", 598 "#44", 599 "#45", 600 "#46", 601 "#47", 602 "#48", 603 "#49", 604 "#50", 605 "#51", 606 "#52", 607 "#53", 608 "#54", 609 "#55", 610 "#56", 611 "#57", 612 "#58", 613 "#59", 614 "#60", 615 "#61", 616 "#62", 617 "#63", 618 "#64", 619 "#65", 620 "#66", 621 "#67", 622 "#68", 623 "#69", 624 "#70", 625 "#71", 626 "#72", 627 "#73", 628 "#74", 629 "#75", 630 "#76", 631 "#77", 632 "#78", 633 "#79", 634 "#80", 635 "#81", 636 "#82", 637 "#83", 638 "#84", 639 "#85", 640 "#86", 641 "#87", 642 "#88", 643 "#89", 644 "#80", 645 "#91", 646 "#92", 647 "#93", 648 "#94", 649 "#95", 650 "#96", 651 "#97", 652 "#98", 653 "#99", 654 "#100", 655 "#101", 656 "#102", 657 "#103", 658 "#104", 659 "#105", 660 "#106", 661 "#107", 662 "#108", 663 "#109", 664 "#110", 665 "#111", 666 "#112", 667 "#113", 668 "#114", 669 "#115", 670 "#116", 671 "#117", 672 "#118", 673 "#119", 674 "#120", 675 "#121", 676 "#122", 677 "#123", 678 "#124", 679 "#125", 680 "#126", 681 "#127", 682 "echo", 683 "echo reply", 684 "multicast listener query", 685 "multicast listener report", 686 "multicast listener done", 687 "router solicitation", 688 "router advertisement", 689 "neighbor solicitation", 690 "neighbor advertisement", 691 "redirect", 692 "router renumbering", 693 "node information request", 694 "node information reply", 695 "inverse neighbor solicitation", 696 "inverse neighbor advertisement", 697 "#143", 698 "#144", 699 "#145", 700 "#146", 701 "#147", 702 "#148", 703 "#149", 704 "#150", 705 "#151", 706 "#152", 707 "#153", 708 "#154", 709 "#155", 710 "#156", 711 "#157", 712 "#158", 713 "#159", 714 "#160", 715 "#161", 716 "#162", 717 "#163", 718 "#164", 719 "#165", 720 "#166", 721 "#167", 722 "#168", 723 "#169", 724 "#170", 725 "#171", 726 "#172", 727 "#173", 728 "#174", 729 "#175", 730 "#176", 731 "#177", 732 "#178", 733 "#179", 734 "#180", 735 "#181", 736 "#182", 737 "#183", 738 "#184", 739 "#185", 740 "#186", 741 "#187", 742 "#188", 743 "#189", 744 "#180", 745 "#191", 746 "#192", 747 "#193", 748 "#194", 749 "#195", 750 "#196", 751 "#197", 752 "#198", 753 "#199", 754 "#200", 755 "#201", 756 "#202", 757 "#203", 758 "#204", 759 "#205", 760 "#206", 761 "#207", 762 "#208", 763 "#209", 764 "#210", 765 "#211", 766 "#212", 767 "#213", 768 "#214", 769 "#215", 770 "#216", 771 "#217", 772 "#218", 773 "#219", 774 "#220", 775 "#221", 776 "#222", 777 "#223", 778 "#224", 779 "#225", 780 "#226", 781 "#227", 782 "#228", 783 "#229", 784 "#230", 785 "#231", 786 "#232", 787 "#233", 788 "#234", 789 "#235", 790 "#236", 791 "#237", 792 "#238", 793 "#239", 794 "#240", 795 "#241", 796 "#242", 797 "#243", 798 "#244", 799 "#245", 800 "#246", 801 "#247", 802 "#248", 803 "#249", 804 "#250", 805 "#251", 806 "#252", 807 "#253", 808 "#254", 809 "#255", 810}; 811 812/* 813 * Dump ICMP6 statistics. 814 */ 815void 816icmp6_stats(u_long off __unused, char *name, int af __unused) 817{ 818 struct icmp6stat icmp6stat; 819 register int i, first; 820 int mib[4]; 821 size_t len; 822 823 mib[0] = CTL_NET; 824 mib[1] = PF_INET6; 825 mib[2] = IPPROTO_ICMPV6; 826 mib[3] = ICMPV6CTL_STATS; 827 828 len = sizeof icmp6stat; 829 memset(&icmp6stat, 0, len); 830 if (sysctl(mib, 4, &icmp6stat, &len, (void *)0, 0) < 0) 831 return; 832 printf("%s:\n", name); 833 834#define p(f, m) if (icmp6stat.f || sflag <= 1) \ 835 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 836#define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f) 837 838 p(icp6s_error, "\t%llu call%s to icmp_error\n"); 839 p(icp6s_canterror, 840 "\t%llu error%s not generated because old message was icmp error or so\n"); 841 p(icp6s_toofreq, 842 "\t%llu error%s not generated because rate limitation\n"); 843#define NELEM (sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0])) 844 for (first = 1, i = 0; i < NELEM; i++) 845 if (icmp6stat.icp6s_outhist[i] != 0) { 846 if (first) { 847 printf("\tOutput histogram:\n"); 848 first = 0; 849 } 850 printf("\t\t%s: %llu\n", icmp6names[i], 851 (unsigned long long)icmp6stat.icp6s_outhist[i]); 852 } 853#undef NELEM 854 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 855 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 856 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 857 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 858#define NELEM (sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0])) 859 for (first = 1, i = 0; i < NELEM; i++) 860 if (icmp6stat.icp6s_inhist[i] != 0) { 861 if (first) { 862 printf("\tInput histogram:\n"); 863 first = 0; 864 } 865 printf("\t\t%s: %llu\n", icmp6names[i], 866 (unsigned long long)icmp6stat.icp6s_inhist[i]); 867 } 868#undef NELEM 869 printf("\tHistogram of error messages to be generated:\n"); 870 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 871 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 872 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 873 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 874 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 875 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 876 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 877 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 878 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 879 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 880 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 881 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 882 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 883 884 p(icp6s_reflect, "\t%llu message response%s generated\n"); 885 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 886 p(icp6s_nd_badopt, "\t%qu message%s with bad ND options\n"); 887 p(icp6s_badns, "\t%qu bad neighbor solicitation message%s\n"); 888 p(icp6s_badna, "\t%qu bad neighbor advertisement message%s\n"); 889 p(icp6s_badrs, "\t%qu bad router solicitation message%s\n"); 890 p(icp6s_badra, "\t%qu bad router advertisement message%s\n"); 891 p(icp6s_badredirect, "\t%qu bad redirect message%s\n"); 892 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 893#undef p 894#undef p_5 895} 896 897/* 898 * Dump ICMPv6 per-interface statistics based on RFC 2466. 899 */ 900void 901icmp6_ifstats(char *ifname) 902{ 903 struct in6_ifreq ifr; 904 int s; 905#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 906 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 907 908 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 909 perror("Warning: socket(AF_INET6)"); 910 return; 911 } 912 913 strcpy(ifr.ifr_name, ifname); 914 printf("icmp6 on %s:\n", ifr.ifr_name); 915 916 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 917 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 918 goto end; 919 } 920 921 p(ifs6_in_msg, "\t%llu total input message%s\n"); 922 p(ifs6_in_error, "\t%llu total input error message%s\n"); 923 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 924 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 925 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 926 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 927 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 928 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 929 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 930 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 931 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 932 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 933 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 934 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 935 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 936 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 937 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 938 939 p(ifs6_out_msg, "\t%llu total output message%s\n"); 940 p(ifs6_out_error, "\t%llu total output error message%s\n"); 941 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 942 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 943 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 944 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 945 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 946 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 947 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 948 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 949 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 950 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 951 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 952 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 953 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 954 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 955 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 956 957 end: 958 close(s); 959#undef p 960} 961 962/* 963 * Dump PIM statistics structure. 964 */ 965void 966pim6_stats(u_long off __unused, char *name, int af __unused) 967{ 968 struct pim6stat pim6stat; 969 970 if (off == 0) 971 return; 972 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 973 printf("%s:\n", name); 974 975#define p(f, m) if (pim6stat.f || sflag <= 1) \ 976 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 977 p(pim6s_rcv_total, "\t%llu message%s received\n"); 978 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 979 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 980 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 981 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 982 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 983 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 984#undef p 985} 986 987/* 988 * Dump raw ip6 statistics structure. 989 */ 990void 991rip6_stats(u_long off __unused, char *name, int af __unused) 992{ 993 struct rip6stat rip6stat; 994 u_quad_t delivered; 995 int mib[4]; 996 size_t l; 997 998 mib[0] = CTL_NET; 999 mib[1] = PF_INET6; 1000 mib[2] = IPPROTO_IPV6; 1001 mib[3] = IPV6CTL_RIP6STATS; 1002 l = sizeof(rip6stat); 1003 if (sysctl(mib, 4, &rip6stat, &l, NULL, 0) < 0) { 1004 perror("Warning: sysctl(net.inet6.ip6.rip6stats)"); 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.", lflag ? 39 : 1053 (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 1054 cp = index(line, '\0'); 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)); 1061 width = lflag ? 45 : Aflag ? 18 : 22; 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{ 1074 register char *cp; 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 && 1083 (cp = index(domain, '.'))) 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)) { 1090 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1091 if (hp) { 1092 if ((cp = index(hp->h_name, '.')) && 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*/ 1109