inet6.c revision 102975
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 102975 2002-09-05 17:06:51Z dwmalone $ 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 *); 76 77static char ntop_buf[INET6_ADDRSTRLEN]; 78 79static const 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, const char *name, int af1 __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 const 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, const char *name, int af1 __unused) 816{ 817 struct icmp6stat icmp6stat; 818 int i, first; 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 (int)(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 (int)(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, const char *name, int af1 __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, const char *name, int af1 __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) { 1003 perror("Warning: sysctl(net.inet6.ip6.rip6stats)"); 1004 return; 1005 } 1006 1007 printf("%s:\n", name); 1008 1009#define p(f, m) if (rip6stat.f || sflag <= 1) \ 1010 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1011 p(rip6s_ipackets, "\t%llu message%s received\n"); 1012 p(rip6s_isum, "\t%llu checksum calcuration%s on inbound\n"); 1013 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1014 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1015 p(rip6s_nosockmcast, 1016 "\t%llu multicast message%s dropped due to no socket\n"); 1017 p(rip6s_fullsock, 1018 "\t%llu message%s dropped due to full socket buffers\n"); 1019 delivered = rip6stat.rip6s_ipackets - 1020 rip6stat.rip6s_badsum - 1021 rip6stat.rip6s_nosock - 1022 rip6stat.rip6s_nosockmcast - 1023 rip6stat.rip6s_fullsock; 1024 if (delivered || sflag <= 1) 1025 printf("\t%llu delivered\n", (unsigned long long)delivered); 1026 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1027#undef p 1028} 1029 1030/* 1031 * Pretty print an Internet address (net address + port). 1032 * Take numeric_addr and numeric_port into consideration. 1033 */ 1034#define GETSERVBYPORT6(port, proto, ret)\ 1035{\ 1036 if (strcmp((proto), "tcp6") == 0)\ 1037 (ret) = getservbyport((int)(port), "tcp");\ 1038 else if (strcmp((proto), "udp6") == 0)\ 1039 (ret) = getservbyport((int)(port), "udp");\ 1040 else\ 1041 (ret) = getservbyport((int)(port), (proto));\ 1042}; 1043 1044void 1045inet6print(struct in6_addr *in6, int port, const char *proto, int numeric) 1046{ 1047 struct servent *sp = 0; 1048 char line[80], *cp; 1049 int width; 1050 1051 sprintf(line, "%.*s.", Wflag ? 39 : 1052 (Aflag && !numeric) ? 12 : 16, inet6name(in6)); 1053 cp = index(line, '\0'); 1054 if (!numeric && port) 1055 GETSERVBYPORT6(port, proto, sp); 1056 if (sp || port == 0) 1057 sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 1058 else 1059 sprintf(cp, "%d", ntohs((u_short)port)); 1060 width = Wflag ? 45 : Aflag ? 18 : 22; 1061 printf("%-*.*s ", width, width, line); 1062} 1063 1064/* 1065 * Construct an Internet address representation. 1066 * If the numeric_addr has been supplied, give 1067 * numeric value, otherwise try for symbolic name. 1068 */ 1069 1070char * 1071inet6name(struct in6_addr *in6p) 1072{ 1073 char *cp; 1074 static char line[50]; 1075 struct hostent *hp; 1076 static char domain[MAXHOSTNAMELEN]; 1077 static int first = 1; 1078 1079 if (first && !numeric_addr) { 1080 first = 0; 1081 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1082 (cp = index(domain, '.'))) 1083 (void) strcpy(domain, cp + 1); 1084 else 1085 domain[0] = 0; 1086 } 1087 cp = 0; 1088 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1089 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1090 if (hp) { 1091 if ((cp = index(hp->h_name, '.')) && 1092 !strcmp(cp + 1, domain)) 1093 *cp = 0; 1094 cp = hp->h_name; 1095 } 1096 } 1097 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1098 strcpy(line, "*"); 1099 else if (cp) 1100 strcpy(line, cp); 1101 else 1102 sprintf(line, "%s", 1103 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 1104 sizeof(ntop_buf))); 1105 return (line); 1106} 1107#endif /*INET6*/ 1108