inet6.c revision 1.11
1 /* $NetBSD: inet6.c,v 1.11 2000/07/13 03:53:03 itojun Exp $ */ 2 /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ 3 4 /* 5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1983, 1988, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 */ 65 66 #include <sys/cdefs.h> 67 #ifndef lint 68 #if 0 69 static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94"; 70 #else 71 __RCSID("$NetBSD: inet6.c,v 1.11 2000/07/13 03:53:03 itojun Exp $"); 72 #endif 73 #endif /* not lint */ 74 75 #include <sys/param.h> 76 #include <sys/socket.h> 77 #include <sys/socketvar.h> 78 #include <sys/ioctl.h> 79 #include <sys/mbuf.h> 80 #include <sys/protosw.h> 81 82 #include <net/route.h> 83 #include <net/if.h> 84 #include <netinet/in.h> 85 #include <netinet/ip6.h> 86 #include <netinet/icmp6.h> 87 #include <netinet/in_systm.h> 88 #ifndef TCP6 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #endif 92 #include <netinet6/ip6_var.h> 93 #include <netinet6/in6_pcb.h> 94 #include <netinet6/in6_var.h> 95 #include <netinet6/ip6_var.h> 96 #ifdef TCP6 97 #include <netinet6/tcp6.h> 98 #include <netinet6/tcp6_seq.h> 99 #define TCP6STATES 100 #include <netinet6/tcp6_fsm.h> 101 #define TCP6TIMERS 102 #include <netinet6/tcp6_timer.h> 103 #include <netinet6/tcp6_var.h> 104 #include <netinet6/tcp6_debug.h> 105 #else 106 #include <netinet/tcp.h> 107 #include <netinet/tcpip.h> 108 #include <netinet/tcp_seq.h> 109 /*#define TCPSTATES*/ 110 #include <netinet/tcp_fsm.h> 111 extern char *tcpstates[]; 112 /*#define TCPTIMERS*/ 113 #include <netinet/tcp_timer.h> 114 #include <netinet/tcp_var.h> 115 #include <netinet/tcp_debug.h> 116 #endif /*TCP6*/ 117 #include <netinet6/udp6.h> 118 #include <netinet6/udp6_var.h> 119 #include <netinet6/pim6_var.h> 120 121 #include <arpa/inet.h> 122 #if 0 123 #include "gethostbyname2.h" 124 #endif 125 #include <netdb.h> 126 127 #include <stdio.h> 128 #include <string.h> 129 #include <unistd.h> 130 #include "netstat.h" 131 132 #ifdef INET6 133 134 struct in6pcb in6pcb; 135 #ifdef TCP6 136 struct tcp6cb tcp6cb; 137 #else 138 struct tcpcb tcpcb; 139 #endif 140 struct socket sockb; 141 142 char *inet6name __P((struct in6_addr *)); 143 void inet6print __P((struct in6_addr *, int, char *)); 144 145 /* 146 * Print a summary of connections related to an Internet 147 * protocol. For TCP, also give state of connection. 148 * Listening processes (aflag) are suppressed unless the 149 * -a (all) flag is specified. 150 */ 151 void 152 ip6protopr(off, name) 153 u_long off; 154 char *name; 155 { 156 struct in6pcb cb; 157 register struct in6pcb *prev, *next; 158 int istcp; 159 static int first = 1; 160 161 if (off == 0) 162 return; 163 istcp = strcmp(name, "tcp6") == 0; 164 kread(off, (char *)&cb, sizeof (struct in6pcb)); 165 in6pcb = cb; 166 prev = (struct in6pcb *)off; 167 if (in6pcb.in6p_next == (struct in6pcb *)off) 168 return; 169 while (in6pcb.in6p_next != (struct in6pcb *)off) { 170 next = in6pcb.in6p_next; 171 kread((u_long)next, (char *)&in6pcb, sizeof (in6pcb)); 172 if (in6pcb.in6p_prev != prev) { 173 printf("???\n"); 174 break; 175 } 176 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) { 177 prev = next; 178 continue; 179 } 180 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, sizeof (sockb)); 181 if (istcp) { 182 #ifdef TCP6 183 kread((u_long)in6pcb.in6p_ppcb, 184 (char *)&tcp6cb, sizeof (tcp6cb)); 185 #else 186 kread((u_long)in6pcb.in6p_ppcb, 187 (char *)&tcpcb, sizeof (tcpcb)); 188 #endif 189 } 190 if (first) { 191 printf("Active Internet6 connections"); 192 if (aflag) 193 printf(" (including servers)"); 194 putchar('\n'); 195 if (Aflag) 196 printf("%-8.8s ", "PCB"); 197 printf(Aflag ? 198 "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" : 199 "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n", 200 "Proto", "Recv-Q", "Send-Q", 201 "Local Address", "Foreign Address", "(state)"); 202 first = 0; 203 } 204 if (Aflag) { 205 if (istcp) 206 printf("%8p ", in6pcb.in6p_ppcb); 207 else 208 printf("%8p ", next); 209 } 210 printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc, 211 sockb.so_snd.sb_cc); 212 /* xxx */ 213 inet6print(&in6pcb.in6p_laddr, (int)in6pcb.in6p_lport, name); 214 inet6print(&in6pcb.in6p_faddr, (int)in6pcb.in6p_fport, name); 215 if (istcp) { 216 #ifdef TCP6 217 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 218 printf(" %d", tcp6cb.t_state); 219 else 220 printf(" %s", tcp6states[tcp6cb.t_state]); 221 #else 222 if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES) 223 printf(" %d", tcpcb.t_state); 224 else 225 printf(" %s", tcpstates[tcpcb.t_state]); 226 #endif 227 } 228 putchar('\n'); 229 prev = next; 230 } 231 } 232 233 #ifdef TCP6 234 /* 235 * Dump TCP6 statistics structure. 236 */ 237 void 238 tcp6_stats(off, name) 239 u_long off; 240 char *name; 241 { 242 struct tcp6stat tcp6stat; 243 244 if (off == 0) 245 return; 246 printf ("%s:\n", name); 247 kread(off, (char *)&tcp6stat, sizeof (tcp6stat)); 248 249 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 250 printf(m, tcp6stat.f, plural(tcp6stat.f)) 251 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 252 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 253 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 254 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 255 256 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 257 p2(tcp6s_sndpack,tcp6s_sndbyte, 258 "\t\t%ld data packet%s (%ld byte%s)\n"); 259 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 260 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 261 p2(tcp6s_sndacks, tcp6s_delack, 262 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 263 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 264 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 265 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 266 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 267 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 268 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 269 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 270 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 271 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 272 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 273 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 274 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 275 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 276 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 277 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 278 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 279 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 280 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 281 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 282 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 283 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 284 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 285 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 286 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 287 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 288 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 289 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 290 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 291 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 292 p2(tcp6s_closed, tcp6s_drops, 293 "\t%ld connection%s closed (including %ld drop%s)\n"); 294 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 295 p2(tcp6s_rttupdated, tcp6s_segstimed, 296 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 297 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 298 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 299 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 300 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 301 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 302 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 303 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 304 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 305 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 306 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 307 #undef p 308 #undef p2 309 #undef p3 310 } 311 #endif 312 313 /* 314 * Dump UDP6 statistics structure. 315 */ 316 void 317 udp6_stats(off, name) 318 u_long off; 319 char *name; 320 { 321 struct udp6stat udp6stat; 322 u_quad_t delivered; 323 324 if (off == 0) 325 return; 326 kread(off, (char *)&udp6stat, sizeof (udp6stat)); 327 printf("%s:\n", name); 328 #define p(f, m) if (udp6stat.f || sflag <= 1) \ 329 printf(m, (unsigned long long)udp6stat.f, plural(udp6stat.f)) 330 #define p1(f, m) if (udp6stat.f || sflag <= 1) \ 331 printf(m, (unsigned long long)udp6stat.f) 332 p(udp6s_ipackets, "\t%llu datagram%s received\n"); 333 p1(udp6s_hdrops, "\t%llu with incomplete header\n"); 334 p1(udp6s_badlen, "\t%llu with bad data length field\n"); 335 p1(udp6s_badsum, "\t%llu with bad checksum\n"); 336 p1(udp6s_nosum, "\t%llu with no checksum\n"); 337 p1(udp6s_noport, "\t%llu dropped due to no socket\n"); 338 p(udp6s_noportmcast, 339 "\t%llu multicast datagram%s dropped due to no socket\n"); 340 p1(udp6s_fullsock, "\t%llu dropped due to full socket buffers\n"); 341 delivered = udp6stat.udp6s_ipackets - 342 udp6stat.udp6s_hdrops - 343 udp6stat.udp6s_badlen - 344 udp6stat.udp6s_badsum - 345 udp6stat.udp6s_noport - 346 udp6stat.udp6s_noportmcast - 347 udp6stat.udp6s_fullsock; 348 if (delivered || sflag <= 1) 349 printf("\t%llu delivered\n", (unsigned long long)delivered); 350 p(udp6s_opackets, "\t%llu datagram%s output\n"); 351 #undef p 352 #undef p1 353 } 354 355 static char *ip6nh[] = { 356 "hop by hop", 357 "ICMP", 358 "IGMP", 359 "#3", 360 "IP", 361 "#5", 362 "TCP", 363 "#7", 364 "#8", 365 "#9", 366 "#10", 367 "#11", 368 "#12", 369 "#13", 370 "#14", 371 "#15", 372 "#16", 373 "UDP", 374 "#18", 375 "#19", 376 "#20", 377 "#21", 378 "IDP", 379 "#23", 380 "#24", 381 "#25", 382 "#26", 383 "#27", 384 "#28", 385 "TP", 386 "#30", 387 "#31", 388 "#32", 389 "#33", 390 "#34", 391 "#35", 392 "#36", 393 "#37", 394 "#38", 395 "#39", 396 "#40", 397 "IP6", 398 "#42", 399 "routing", 400 "fragment", 401 "#45", 402 "#46", 403 "#47", 404 "#48", 405 "#49", 406 "ESP", 407 "AH", 408 "#52", 409 "#53", 410 "#54", 411 "#55", 412 "#56", 413 "#57", 414 "ICMP6", 415 "no next header", 416 "destination option", 417 "#61", 418 "#62", 419 "#63", 420 "#64", 421 "#65", 422 "#66", 423 "#67", 424 "#68", 425 "#69", 426 "#70", 427 "#71", 428 "#72", 429 "#73", 430 "#74", 431 "#75", 432 "#76", 433 "#77", 434 "#78", 435 "#79", 436 "ISOIP", 437 "#81", 438 "#82", 439 "#83", 440 "#84", 441 "#85", 442 "#86", 443 "#87", 444 "#88", 445 "OSPF", 446 "#80", 447 "#91", 448 "#92", 449 "#93", 450 "#94", 451 "#95", 452 "#96", 453 "Ethernet", 454 "#98", 455 "#99", 456 "#100", 457 "#101", 458 "#102", 459 "PIM", 460 "#104", 461 "#105", 462 "#106", 463 "#107", 464 "#108", 465 "#109", 466 "#110", 467 "#111", 468 "#112", 469 "#113", 470 "#114", 471 "#115", 472 "#116", 473 "#117", 474 "#118", 475 "#119", 476 "#120", 477 "#121", 478 "#122", 479 "#123", 480 "#124", 481 "#125", 482 "#126", 483 "#127", 484 "#128", 485 "#129", 486 "#130", 487 "#131", 488 "#132", 489 "#133", 490 "#134", 491 "#135", 492 "#136", 493 "#137", 494 "#138", 495 "#139", 496 "#140", 497 "#141", 498 "#142", 499 "#143", 500 "#144", 501 "#145", 502 "#146", 503 "#147", 504 "#148", 505 "#149", 506 "#150", 507 "#151", 508 "#152", 509 "#153", 510 "#154", 511 "#155", 512 "#156", 513 "#157", 514 "#158", 515 "#159", 516 "#160", 517 "#161", 518 "#162", 519 "#163", 520 "#164", 521 "#165", 522 "#166", 523 "#167", 524 "#168", 525 "#169", 526 "#170", 527 "#171", 528 "#172", 529 "#173", 530 "#174", 531 "#175", 532 "#176", 533 "#177", 534 "#178", 535 "#179", 536 "#180", 537 "#181", 538 "#182", 539 "#183", 540 "#184", 541 "#185", 542 "#186", 543 "#187", 544 "#188", 545 "#189", 546 "#180", 547 "#191", 548 "#192", 549 "#193", 550 "#194", 551 "#195", 552 "#196", 553 "#197", 554 "#198", 555 "#199", 556 "#200", 557 "#201", 558 "#202", 559 "#203", 560 "#204", 561 "#205", 562 "#206", 563 "#207", 564 "#208", 565 "#209", 566 "#210", 567 "#211", 568 "#212", 569 "#213", 570 "#214", 571 "#215", 572 "#216", 573 "#217", 574 "#218", 575 "#219", 576 "#220", 577 "#221", 578 "#222", 579 "#223", 580 "#224", 581 "#225", 582 "#226", 583 "#227", 584 "#228", 585 "#229", 586 "#230", 587 "#231", 588 "#232", 589 "#233", 590 "#234", 591 "#235", 592 "#236", 593 "#237", 594 "#238", 595 "#239", 596 "#240", 597 "#241", 598 "#242", 599 "#243", 600 "#244", 601 "#245", 602 "#246", 603 "#247", 604 "#248", 605 "#249", 606 "#250", 607 "#251", 608 "#252", 609 "#253", 610 "#254", 611 "#255", 612 }; 613 614 /* 615 * Dump IP6 statistics structure. 616 */ 617 void 618 ip6_stats(off, name) 619 u_long off; 620 char *name; 621 { 622 struct ip6stat ip6stat; 623 int first, i; 624 625 if (off == 0) 626 return; 627 628 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 629 printf("%s:\n", name); 630 631 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 632 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 633 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 634 printf(m, (unsigned long long)ip6stat.f) 635 636 p(ip6s_total, "\t%llu total packet%s received\n"); 637 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 638 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 639 p1(ip6s_badoptions, "\t%llu with bad options\n"); 640 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 641 p(ip6s_fragments, "\t%llu fragment%s received\n"); 642 p(ip6s_fragdropped, 643 "\t%llu fragment%s dropped (dup or out of space)\n"); 644 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 645 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 646 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 647 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 648 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 649 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 650 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 651 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 652 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 653 p(ip6s_odropped, 654 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 655 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 656 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 657 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 658 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 659 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 660 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 661 for (first = 1, i = 0; i < 256; i++) 662 if (ip6stat.ip6s_nxthist[i] != 0) { 663 if (first) { 664 printf("\tInput histogram:\n"); 665 first = 0; 666 } 667 printf("\t\t%s: %llu\n", ip6nh[i], 668 (unsigned long long)ip6stat.ip6s_nxthist[i]); 669 } 670 printf("\tMbuf statics:\n"); 671 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat.ip6s_m1); 672 for (first = 1, i = 0; i < 32; i++) { 673 char ifbuf[IFNAMSIZ]; 674 if (ip6stat.ip6s_m2m[i] != 0) { 675 if (first) { 676 printf("\t\ttwo or more mbuf:\n"); 677 first = 0; 678 } 679 printf("\t\t\t%s = %llu\n", 680 if_indextoname(i, ifbuf), 681 (unsigned long long)ip6stat.ip6s_m2m[i]); 682 } 683 } 684 printf("\t\t%llu one ext mbuf\n", 685 (unsigned long long)ip6stat.ip6s_mext1); 686 printf("\t\t%llu two or more ext mbuf\n", 687 (unsigned long long)ip6stat.ip6s_mext2m); 688 p(ip6s_exthdrtoolong, 689 "\t%llu packet%s whose headers are not continuous\n"); 690 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 691 p(ip6s_toomanyhdr, 692 "\t%llu packet%s discarded due to too many headers\n"); 693 694 /* for debugging source address selection */ 695 #define PRINT_SCOPESTAT(s,i) do {\ 696 switch(i) { /* XXX hardcoding in each case */\ 697 case 1:\ 698 p(s, "\t\t%llu node-local%s\n");\ 699 break;\ 700 case 2:\ 701 p(s, "\t\t%llu link-local%s\n");\ 702 break;\ 703 case 5:\ 704 p(s, "\t\t%llu site-local%s\n");\ 705 break;\ 706 case 14:\ 707 p(s, "\t\t%llu global%s\n");\ 708 break;\ 709 default:\ 710 printf("\t\t%llu addresses scope=%x\n",\ 711 (unsigned long long)ip6stat.s, i);\ 712 }\ 713 } while(0); 714 715 p(ip6s_sources_none, 716 "\t%llu failure%s of source address selection\n"); 717 for (first = 1, i = 0; i < 16; i++) { 718 if (ip6stat.ip6s_sources_sameif[i]) { 719 if (first) { 720 printf("\tsource addresses on an outgoing I/F\n"); 721 first = 0; 722 } 723 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 724 } 725 } 726 for (first = 1, i = 0; i < 16; i++) { 727 if (ip6stat.ip6s_sources_otherif[i]) { 728 if (first) { 729 printf("\tsource addresses on a non-outgoing I/F\n"); 730 first = 0; 731 } 732 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 733 } 734 } 735 for (first = 1, i = 0; i < 16; i++) { 736 if (ip6stat.ip6s_sources_samescope[i]) { 737 if (first) { 738 printf("\tsource addresses of same scope\n"); 739 first = 0; 740 } 741 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 742 } 743 } 744 for (first = 1, i = 0; i < 16; i++) { 745 if (ip6stat.ip6s_sources_otherscope[i]) { 746 if (first) { 747 printf("\tsource addresses of a different scope\n"); 748 first = 0; 749 } 750 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 751 } 752 } 753 for (first = 1, i = 0; i < 16; i++) { 754 if (ip6stat.ip6s_sources_deprecated[i]) { 755 if (first) { 756 printf("\tdeprecated source addresses\n"); 757 first = 0; 758 } 759 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 760 } 761 } 762 763 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 764 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 765 #undef p 766 #undef p1 767 } 768 769 /* 770 * Dump IPv6 per-interface statistics based on RFC 2465. 771 */ 772 void 773 ip6_ifstats(ifname) 774 char *ifname; 775 { 776 struct in6_ifreq ifr; 777 int s; 778 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 779 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 780 plural(ifr.ifr_ifru.ifru_stat.f)) 781 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 782 printf(m, (unsigned long long)ip6stat.f) 783 784 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 785 perror("Warning: socket(AF_INET6)"); 786 return; 787 } 788 789 strcpy(ifr.ifr_name, ifname); 790 printf("ip6 on %s:\n", ifr.ifr_name); 791 792 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 793 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 794 goto end; 795 } 796 797 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 798 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 799 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 800 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 801 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 802 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 803 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 804 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 805 p(ifs6_in_deliver, 806 "\t%llu datagram%s delivered to an upper layer protocol\n"); 807 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 808 p(ifs6_out_request, 809 "\t%llu datagram%s sent from an upper layer protocol\n"); 810 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 811 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 812 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 813 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 814 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 815 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 816 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 817 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 818 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 819 820 end: 821 close(s); 822 823 #undef p 824 #undef p_5 825 } 826 827 static char *icmp6names[] = { 828 "#0", 829 "unreach", 830 "packet too big", 831 "time exceed", 832 "parameter problem", 833 "#5", 834 "#6", 835 "#7", 836 "#8", 837 "#9", 838 "#10", 839 "#11", 840 "#12", 841 "#13", 842 "#14", 843 "#15", 844 "#16", 845 "#17", 846 "#18", 847 "#19", 848 "#20", 849 "#21", 850 "#22", 851 "#23", 852 "#24", 853 "#25", 854 "#26", 855 "#27", 856 "#28", 857 "#29", 858 "#30", 859 "#31", 860 "#32", 861 "#33", 862 "#34", 863 "#35", 864 "#36", 865 "#37", 866 "#38", 867 "#39", 868 "#40", 869 "#41", 870 "#42", 871 "#43", 872 "#44", 873 "#45", 874 "#46", 875 "#47", 876 "#48", 877 "#49", 878 "#50", 879 "#51", 880 "#52", 881 "#53", 882 "#54", 883 "#55", 884 "#56", 885 "#57", 886 "#58", 887 "#59", 888 "#60", 889 "#61", 890 "#62", 891 "#63", 892 "#64", 893 "#65", 894 "#66", 895 "#67", 896 "#68", 897 "#69", 898 "#70", 899 "#71", 900 "#72", 901 "#73", 902 "#74", 903 "#75", 904 "#76", 905 "#77", 906 "#78", 907 "#79", 908 "#80", 909 "#81", 910 "#82", 911 "#83", 912 "#84", 913 "#85", 914 "#86", 915 "#87", 916 "#88", 917 "#89", 918 "#80", 919 "#91", 920 "#92", 921 "#93", 922 "#94", 923 "#95", 924 "#96", 925 "#97", 926 "#98", 927 "#99", 928 "#100", 929 "#101", 930 "#102", 931 "#103", 932 "#104", 933 "#105", 934 "#106", 935 "#107", 936 "#108", 937 "#109", 938 "#110", 939 "#111", 940 "#112", 941 "#113", 942 "#114", 943 "#115", 944 "#116", 945 "#117", 946 "#118", 947 "#119", 948 "#120", 949 "#121", 950 "#122", 951 "#123", 952 "#124", 953 "#125", 954 "#126", 955 "#127", 956 "echo", 957 "echo reply", 958 "multicast listener query", 959 "multicast listener report", 960 "multicast listener done", 961 "router solicitation", 962 "router advertisment", 963 "neighbor solicitation", 964 "neighbor advertisment", 965 "redirect", 966 "router renumbering", 967 "node information request", 968 "node information reply", 969 "#141", 970 "#142", 971 "#143", 972 "#144", 973 "#145", 974 "#146", 975 "#147", 976 "#148", 977 "#149", 978 "#150", 979 "#151", 980 "#152", 981 "#153", 982 "#154", 983 "#155", 984 "#156", 985 "#157", 986 "#158", 987 "#159", 988 "#160", 989 "#161", 990 "#162", 991 "#163", 992 "#164", 993 "#165", 994 "#166", 995 "#167", 996 "#168", 997 "#169", 998 "#170", 999 "#171", 1000 "#172", 1001 "#173", 1002 "#174", 1003 "#175", 1004 "#176", 1005 "#177", 1006 "#178", 1007 "#179", 1008 "#180", 1009 "#181", 1010 "#182", 1011 "#183", 1012 "#184", 1013 "#185", 1014 "#186", 1015 "#187", 1016 "#188", 1017 "#189", 1018 "#180", 1019 "#191", 1020 "#192", 1021 "#193", 1022 "#194", 1023 "#195", 1024 "#196", 1025 "#197", 1026 "#198", 1027 "#199", 1028 "#200", 1029 "#201", 1030 "#202", 1031 "#203", 1032 "#204", 1033 "#205", 1034 "#206", 1035 "#207", 1036 "#208", 1037 "#209", 1038 "#210", 1039 "#211", 1040 "#212", 1041 "#213", 1042 "#214", 1043 "#215", 1044 "#216", 1045 "#217", 1046 "#218", 1047 "#219", 1048 "#220", 1049 "#221", 1050 "#222", 1051 "#223", 1052 "#224", 1053 "#225", 1054 "#226", 1055 "#227", 1056 "#228", 1057 "#229", 1058 "#230", 1059 "#231", 1060 "#232", 1061 "#233", 1062 "#234", 1063 "#235", 1064 "#236", 1065 "#237", 1066 "#238", 1067 "#239", 1068 "#240", 1069 "#241", 1070 "#242", 1071 "#243", 1072 "#244", 1073 "#245", 1074 "#246", 1075 "#247", 1076 "#248", 1077 "#249", 1078 "#250", 1079 "#251", 1080 "#252", 1081 "#253", 1082 "#254", 1083 "#255", 1084 }; 1085 1086 /* 1087 * Dump ICMPv6 statistics. 1088 */ 1089 void 1090 icmp6_stats(off, name) 1091 u_long off; 1092 char *name; 1093 { 1094 struct icmp6stat icmp6stat; 1095 register int i, first; 1096 1097 if (off == 0) 1098 return; 1099 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 1100 printf("%s:\n", name); 1101 1102 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 1103 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 1104 #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 1105 printf(m, (unsigned long long)icmp6stat.f) 1106 1107 p(icp6s_error, "\t%llu call%s to icmp6_error\n"); 1108 p(icp6s_canterror, 1109 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1110 p(icp6s_toofreq, 1111 "\t%llu error%s not generated because rate limitation\n"); 1112 for (first = 1, i = 0; i < 256; i++) 1113 if (icmp6stat.icp6s_outhist[i] != 0) { 1114 if (first) { 1115 printf("\tOutput histogram:\n"); 1116 first = 0; 1117 } 1118 printf("\t\t%s: %llu\n", icmp6names[i], 1119 (unsigned long long)icmp6stat.icp6s_outhist[i]); 1120 } 1121 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 1122 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 1123 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 1124 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 1125 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1126 if (icmp6stat.icp6s_inhist[i] != 0) { 1127 if (first) { 1128 printf("\tInput histogram:\n"); 1129 first = 0; 1130 } 1131 printf("\t\t%s: %llu\n", icmp6names[i], 1132 (unsigned long long)icmp6stat.icp6s_inhist[i]); 1133 } 1134 printf("\tHistogram of error messages to be generated:\n"); 1135 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 1136 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 1137 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 1138 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 1139 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 1140 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 1141 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 1142 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 1143 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 1144 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 1145 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 1146 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 1147 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 1148 1149 p(icp6s_reflect, "\t%llu message response%s generated\n"); 1150 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 1151 #undef p 1152 #undef p_5 1153 } 1154 1155 /* 1156 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1157 */ 1158 void 1159 icmp6_ifstats(ifname) 1160 char *ifname; 1161 { 1162 struct in6_ifreq ifr; 1163 int s; 1164 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1165 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1166 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1167 1168 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1169 perror("Warning: socket(AF_INET6)"); 1170 return; 1171 } 1172 1173 strcpy(ifr.ifr_name, ifname); 1174 printf("icmp6 on %s:\n", ifr.ifr_name); 1175 1176 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1177 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1178 goto end; 1179 } 1180 1181 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1182 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1183 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1184 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1185 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1186 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1187 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1188 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1189 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1190 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1191 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1192 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1193 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1194 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1195 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1196 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1197 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1198 1199 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1200 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1201 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1202 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1203 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1204 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1205 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1206 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1207 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1208 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1209 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1210 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1211 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1212 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1213 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1214 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1215 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1216 1217 end: 1218 close(s); 1219 #undef p 1220 } 1221 1222 /* 1223 * Dump PIM statistics structure. 1224 */ 1225 void 1226 pim6_stats(off, name) 1227 u_long off; 1228 char *name; 1229 { 1230 struct pim6stat pim6stat; 1231 1232 if (off == 0) 1233 return; 1234 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1235 printf("%s:\n", name); 1236 1237 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1238 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1239 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1240 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1241 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1242 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1243 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1244 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1245 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1246 #undef p 1247 } 1248 1249 /* 1250 * Pretty print an Internet address (net address + port). 1251 * If the nflag was specified, use numbers instead of names. 1252 */ 1253 1254 void 1255 inet6print(in6, port, proto) 1256 register struct in6_addr *in6; 1257 int port; 1258 char *proto; 1259 { 1260 #define GETSERVBYPORT6(port, proto, ret)\ 1261 do {\ 1262 if (strcmp((proto), "tcp6") == 0)\ 1263 (ret) = getservbyport((int)(port), "tcp");\ 1264 else if (strcmp((proto), "udp6") == 0)\ 1265 (ret) = getservbyport((int)(port), "udp");\ 1266 else\ 1267 (ret) = getservbyport((int)(port), (proto));\ 1268 } while (0) 1269 struct servent *sp = 0; 1270 char line[80], *cp; 1271 int width; 1272 1273 width = Aflag ? 12 : 16; 1274 if (vflag && width < strlen(inet6name(in6))) 1275 width = strlen(inet6name(in6)); 1276 sprintf(line, "%.*s.", width, inet6name(in6)); 1277 cp = index(line, '\0'); 1278 if (!nflag && port) 1279 GETSERVBYPORT6(port, proto, sp); 1280 if (sp || port == 0) 1281 sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 1282 else 1283 sprintf(cp, "%d", ntohs((u_short)port)); 1284 width = Aflag ? 18 : 22; 1285 if (vflag && width < strlen(line)) 1286 width = strlen(line); 1287 printf(" %-*.*s", width, width, line); 1288 } 1289 1290 /* 1291 * Construct an Internet address representation. 1292 * If the nflag has been supplied, give 1293 * numeric value, otherwise try for symbolic name. 1294 */ 1295 1296 char * 1297 inet6name(in6p) 1298 struct in6_addr *in6p; 1299 { 1300 register char *cp; 1301 static char line[50]; 1302 struct hostent *hp; 1303 static char domain[MAXHOSTNAMELEN + 1]; 1304 static int first = 1; 1305 char hbuf[NI_MAXHOST]; 1306 struct sockaddr_in6 sin6; 1307 #ifdef KAME_SCOPEID 1308 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1309 #else 1310 const int niflag = NI_NUMERICHOST; 1311 #endif 1312 1313 if (first && !nflag) { 1314 first = 0; 1315 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1316 (cp = index(domain, '.'))) 1317 (void) strcpy(domain, cp + 1); 1318 else 1319 domain[0] = 0; 1320 } 1321 cp = 0; 1322 if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1323 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1324 if (hp) { 1325 if ((cp = index(hp->h_name, '.')) && 1326 !strcmp(cp + 1, domain)) 1327 *cp = 0; 1328 cp = hp->h_name; 1329 } 1330 } 1331 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1332 strcpy(line, "*"); 1333 else if (cp) 1334 strcpy(line, cp); 1335 else { 1336 memset(&sin6, 0, sizeof(sin6)); 1337 sin6.sin6_len = sizeof(sin6); 1338 sin6.sin6_family = AF_INET6; 1339 sin6.sin6_addr = *in6p; 1340 #ifdef KAME_SCOPEID 1341 if (IN6_IS_ADDR_LINKLOCAL(in6p)) { 1342 sin6.sin6_scope_id = 1343 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1344 sin6.sin6_addr.s6_addr[2] = 0; 1345 sin6.sin6_addr.s6_addr[3] = 0; 1346 } 1347 #endif 1348 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1349 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1350 strcpy(hbuf, "?"); 1351 sprintf(line, "%s", hbuf); 1352 } 1353 return (line); 1354 } 1355 1356 #ifdef TCP6 1357 /* 1358 * Dump the contents of a TCP6 PCB. 1359 */ 1360 void 1361 tcp6_dump(pcbaddr) 1362 u_long pcbaddr; 1363 { 1364 struct tcp6cb tcp6cb; 1365 int i; 1366 1367 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1368 1369 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1370 1371 printf("Timers:\n"); 1372 for (i = 0; i < TCP6T_NTIMERS; i++) 1373 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1374 printf("\n\n"); 1375 1376 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1377 printf("State: %d", tcp6cb.t_state); 1378 else 1379 printf("State: %s", tcp6states[tcp6cb.t_state]); 1380 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1381 (u_long)tcp6cb.t_in6pcb); 1382 1383 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1384 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1385 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1386 tcp6cb.t_maxseg, tcp6cb.t_force); 1387 1388 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1389 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1390 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1391 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1392 (unsigned long long)tcp6cb.snd_wnd); 1393 1394 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1395 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1396 tcp6cb.rcv_up, tcp6cb.irs); 1397 1398 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1399 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1400 (unsigned long long)tcp6cb.snd_ssthresh); 1401 1402 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1403 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1404 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1405 (unsigned long long)tcp6cb.max_sndwnd); 1406 1407 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1408 tcp6cb.t_iobc, tcp6cb.t_softerror); 1409 1410 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1411 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1412 tcp6cb.requested_s_scale); 1413 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1414 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1415 } 1416 #endif 1417 1418 #endif /*INET6*/ 1419
Indexes created Wed Oct 15 03:09:54 GMT 2025