inet6.c revision 1.45
1 /* $NetBSD: inet6.c,v 1.45 2008/04/08 23:37:43 thorpej 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. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62 #include <sys/cdefs.h> 63 #ifndef lint 64 #if 0 65 static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94"; 66 #else 67 __RCSID("$NetBSD: inet6.c,v 1.45 2008/04/08 23:37:43 thorpej Exp $"); 68 #endif 69 #endif /* not lint */ 70 71 #include <sys/param.h> 72 #include <sys/socket.h> 73 #include <sys/socketvar.h> 74 #include <sys/ioctl.h> 75 #include <sys/mbuf.h> 76 #include <sys/protosw.h> 77 #include <sys/sysctl.h> 78 79 #include <net/route.h> 80 #include <net/if.h> 81 #include <netinet/in.h> 82 #include <netinet/ip6.h> 83 #include <netinet/icmp6.h> 84 #include <netinet/in_systm.h> 85 #ifndef TCP6 86 #include <netinet/ip.h> 87 #include <netinet/ip_var.h> 88 #endif 89 #include <netinet6/ip6_var.h> 90 #include <netinet6/in6_pcb.h> 91 #include <netinet6/in6_var.h> 92 #ifdef TCP6 93 #include <netinet6/tcp6.h> 94 #include <netinet6/tcp6_seq.h> 95 #define TCP6STATES 96 #include <netinet6/tcp6_fsm.h> 97 #define TCP6TIMERS 98 #include <netinet6/tcp6_timer.h> 99 #include <netinet6/tcp6_var.h> 100 #include <netinet6/tcp6_debug.h> 101 #else 102 #include <netinet/tcp.h> 103 #include <netinet/tcpip.h> 104 #include <netinet/tcp_seq.h> 105 /*#define TCPSTATES*/ 106 #include <netinet/tcp_fsm.h> 107 extern const char * const tcpstates[]; 108 /*#define TCPTIMERS*/ 109 #include <netinet/tcp_timer.h> 110 #include <netinet/tcp_var.h> 111 #include <netinet/tcp_debug.h> 112 #endif /*TCP6*/ 113 #include <netinet6/udp6.h> 114 #include <netinet6/udp6_var.h> 115 #include <netinet6/pim6_var.h> 116 #include <netinet6/raw_ip6.h> 117 118 #include <arpa/inet.h> 119 #if 0 120 #include "gethostbyname2.h" 121 #endif 122 #include <netdb.h> 123 124 #include <err.h> 125 #include <errno.h> 126 #include <kvm.h> 127 #include <stdio.h> 128 #include <stdlib.h> 129 #include <string.h> 130 #include <unistd.h> 131 #include "netstat.h" 132 133 #ifdef INET6 134 135 struct in6pcb in6pcb; 136 #ifdef TCP6 137 struct tcp6cb tcp6cb; 138 #else 139 struct tcpcb tcpcb; 140 #endif 141 struct socket sockb; 142 143 char *inet6name __P((struct in6_addr *)); 144 void inet6print __P((struct in6_addr *, int, char *)); 145 146 /* 147 * Print a summary of connections related to an Internet 148 * protocol. For TCP, also give state of connection. 149 * Listening processes (aflag) are suppressed unless the 150 * -a (all) flag is specified. 151 */ 152 static int width; 153 static int compact; 154 155 static void 156 ip6protoprhdr(void) 157 { 158 159 printf("Active Internet6 connections"); 160 161 if (aflag) 162 printf(" (including servers)"); 163 putchar('\n'); 164 165 if (Aflag) { 166 printf("%-8.8s ", "PCB"); 167 width = 18; 168 } 169 printf( "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 170 "Proto", "Recv-Q", "Send-Q", 171 -width, width, "Local Address", 172 -width, width, "Foreign Address", 173 "(state)"); 174 } 175 176 static void 177 ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, 178 struct in6_addr *laddr, u_int16_t lport, 179 struct in6_addr *faddr, u_int16_t fport, 180 short t_state, char *name) 181 { 182 static char *shorttcpstates[] = { 183 "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", 184 "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", 185 "LASTAK", "FWAIT2", "TMWAIT", 186 }; 187 int istcp; 188 189 istcp = strcmp(name, "tcp6") == 0; 190 if (Aflag) 191 printf("%8" PRIxPTR " ", ppcb); 192 193 printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, 194 compact ? "" : " "); 195 196 inet6print(laddr, (int)lport, name); 197 inet6print(faddr, (int)fport, name); 198 if (istcp) { 199 #ifdef TCP6 200 if (t_state < 0 || t_state >= TCP6_NSTATES) 201 printf(" %d", t_state); 202 else 203 printf(" %s", tcp6states[t_state]); 204 #else 205 if (t_state < 0 || t_state >= TCP_NSTATES) 206 printf(" %d", t_state); 207 else 208 printf(" %s", compact ? shorttcpstates[t_state] : 209 tcpstates[t_state]); 210 #endif 211 } 212 putchar('\n'); 213 214 } 215 216 217 void 218 ip6protopr(off, name) 219 u_long off; 220 char *name; 221 { 222 struct inpcbtable table; 223 struct in6pcb *head, *prev, *next; 224 int istcp; 225 static int first = 1; 226 227 compact = 0; 228 if (Aflag) { 229 if (!numeric_addr) 230 width = 18; 231 else { 232 width = 21; 233 compact = 1; 234 } 235 } else 236 width = 22; 237 238 if (use_sysctl) { 239 struct kinfo_pcb *pcblist; 240 int mib[8]; 241 size_t namelen = 0, size = 0, i; 242 char *mibname = NULL; 243 244 memset(mib, 0, sizeof(mib)); 245 246 if (asprintf(&mibname, "net.inet6.%s.pcblist", name) == -1) 247 err(1, "asprintf"); 248 249 /* get dynamic pcblist node */ 250 if (sysctlnametomib(mibname, mib, &namelen) == -1) { 251 if (errno == ENOENT) 252 return; 253 254 err(1, "sysctlnametomib: %s", mibname); 255 } 256 257 if (sysctl(mib, sizeof(mib) / sizeof(*mib), NULL, &size, 258 NULL, 0) == -1) 259 err(1, "sysctl (query)"); 260 261 if ((pcblist = malloc(size)) == NULL) 262 err(1, "malloc"); 263 memset(pcblist, 0, size); 264 265 mib[6] = sizeof(*pcblist); 266 mib[7] = size / sizeof(*pcblist); 267 268 if (sysctl(mib, sizeof(mib) / sizeof(*mib), pcblist, 269 &size, NULL, 0) == -1) 270 err(1, "sysctl (copy)"); 271 272 for (i = 0; i < size / sizeof(*pcblist); i++) { 273 struct sockaddr_in6 src, dst; 274 275 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 276 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 277 278 if (first) { 279 ip6protoprhdr(); 280 first = 0; 281 } 282 283 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 284 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 285 &src.sin6_addr, src.sin6_port, 286 &dst.sin6_addr, dst.sin6_port, 287 pcblist[i].ki_tstate, name); 288 } 289 290 free(pcblist); 291 return; 292 } 293 294 if (off == 0) 295 return; 296 istcp = strcmp(name, "tcp6") == 0; 297 kread(off, (char *)&table, sizeof (table)); 298 head = prev = 299 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 300 next = (struct in6pcb *)table.inpt_queue.cqh_first; 301 302 while (next != head) { 303 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 304 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 305 printf("???\n"); 306 break; 307 } 308 prev = next; 309 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 310 311 if (in6pcb.in6p_af != AF_INET6) 312 continue; 313 314 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) 315 continue; 316 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 317 sizeof (sockb)); 318 if (istcp) { 319 #ifdef TCP6 320 kread((u_long)in6pcb.in6p_ppcb, 321 (char *)&tcp6cb, sizeof (tcp6cb)); 322 #else 323 kread((u_long)in6pcb.in6p_ppcb, 324 (char *)&tcpcb, sizeof (tcpcb)); 325 #endif 326 } 327 if (first) { 328 ip6protoprhdr(); 329 first = 0; 330 } 331 ip6protopr0(istcp ? (intptr_t) in6pcb.in6p_ppcb : 332 (intptr_t) prev, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc, 333 &in6pcb.in6p_laddr, in6pcb.in6p_lport, 334 &in6pcb.in6p_faddr, in6pcb.in6p_fport, 335 tcpcb.t_state, name); 336 337 } 338 } 339 340 #ifdef TCP6 341 /* 342 * Dump TCP6 statistics structure. 343 */ 344 void 345 tcp6_stats(off, name) 346 u_long off; 347 char *name; 348 { 349 struct tcp6stat tcp6stat; 350 351 if (use_sysctl) { 352 size_t size = sizeof(tcp6stat); 353 354 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 355 NULL, 0) == -1) 356 err(1, "net.inet6.tcp6.stats"); 357 } else { 358 if (off == 0) 359 return; 360 kread(off, (char *)&tcp6stat, sizeof (tcp6stat)); 361 } 362 363 printf ("%s:\n", name); 364 365 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 366 printf(m, tcp6stat.f, plural(tcp6stat.f)) 367 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 368 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 369 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 370 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 371 372 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 373 p2(tcp6s_sndpack,tcp6s_sndbyte, 374 "\t\t%ld data packet%s (%ld byte%s)\n"); 375 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 376 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 377 p2(tcp6s_sndacks, tcp6s_delack, 378 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 379 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 380 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 381 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 382 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 383 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 384 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 385 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 386 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 387 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 388 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 389 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 390 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 391 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 392 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 393 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 394 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 395 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 396 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 397 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 398 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 399 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 400 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 401 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 402 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 403 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 404 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 405 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 406 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 407 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 408 p2(tcp6s_closed, tcp6s_drops, 409 "\t%ld connection%s closed (including %ld drop%s)\n"); 410 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 411 p2(tcp6s_rttupdated, tcp6s_segstimed, 412 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 413 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 414 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 415 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 416 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 417 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 418 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 419 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 420 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 421 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 422 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 423 #undef p 424 #undef p2 425 #undef p3 426 } 427 #endif 428 429 /* 430 * Dump UDP6 statistics structure. 431 */ 432 void 433 udp6_stats(off, name) 434 u_long off; 435 char *name; 436 { 437 struct udp6stat udp6stat; 438 u_quad_t delivered; 439 440 if (use_sysctl) { 441 size_t size = sizeof(udp6stat); 442 443 if (sysctlbyname("net.inet6.udp6.stats", &udp6stat, &size, 444 NULL, 0) == -1) 445 err(1, "net.inet6.udp6.stats"); 446 } else { 447 if (off == 0) 448 return; 449 kread(off, (char *)&udp6stat, sizeof (udp6stat)); 450 } 451 printf("%s:\n", name); 452 #define p(f, m) if (udp6stat.f || sflag <= 1) \ 453 printf(m, (unsigned long long)udp6stat.f, plural(udp6stat.f)) 454 #define p1(f, m) if (udp6stat.f || sflag <= 1) \ 455 printf(m, (unsigned long long)udp6stat.f) 456 p(udp6s_ipackets, "\t%llu datagram%s received\n"); 457 p1(udp6s_hdrops, "\t%llu with incomplete header\n"); 458 p1(udp6s_badlen, "\t%llu with bad data length field\n"); 459 p1(udp6s_badsum, "\t%llu with bad checksum\n"); 460 p1(udp6s_nosum, "\t%llu with no checksum\n"); 461 p1(udp6s_noport, "\t%llu dropped due to no socket\n"); 462 p(udp6s_noportmcast, 463 "\t%llu multicast datagram%s dropped due to no socket\n"); 464 p1(udp6s_fullsock, "\t%llu dropped due to full socket buffers\n"); 465 delivered = udp6stat.udp6s_ipackets - 466 udp6stat.udp6s_hdrops - 467 udp6stat.udp6s_badlen - 468 udp6stat.udp6s_badsum - 469 udp6stat.udp6s_noport - 470 udp6stat.udp6s_noportmcast - 471 udp6stat.udp6s_fullsock; 472 if (delivered || sflag <= 1) 473 printf("\t%llu delivered\n", (unsigned long long)delivered); 474 p(udp6s_opackets, "\t%llu datagram%s output\n"); 475 #undef p 476 #undef p1 477 } 478 479 static const char *ip6nh[] = { 480 /*0*/ "hop by hop", 481 "ICMP", 482 "IGMP", 483 NULL, 484 "IP", 485 /*5*/ NULL, 486 "TCP", 487 NULL, 488 NULL, 489 NULL, 490 /*10*/ NULL, NULL, NULL, NULL, NULL, 491 /*15*/ NULL, 492 NULL, 493 "UDP", 494 NULL, 495 NULL, 496 /*20*/ NULL, 497 NULL, 498 "IDP", 499 NULL, 500 NULL, 501 /*25*/ NULL, 502 NULL, 503 NULL, 504 NULL, 505 "TP", 506 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 507 /*40*/ NULL, 508 "IP6", 509 NULL, 510 "routing", 511 "fragment", 512 /*45*/ NULL, NULL, NULL, NULL, NULL, 513 /*50*/ "ESP", 514 "AH", 515 NULL, 516 NULL, 517 NULL, 518 /*55*/ NULL, 519 NULL, 520 NULL, 521 "ICMP6", 522 "no next header", 523 /*60*/ "destination option", 524 NULL, 525 NULL, 526 NULL, 527 NULL, 528 /*65*/ NULL, NULL, NULL, NULL, NULL, 529 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 530 /*80*/ "ISOIP", 531 NULL, 532 NULL, 533 NULL, 534 NULL, 535 NULL, 536 NULL, 537 NULL, 538 NULL, 539 "OSPF", 540 /*90*/ NULL, NULL, NULL, NULL, NULL, 541 /*95*/ NULL, 542 NULL, 543 "Ethernet", 544 NULL, 545 NULL, 546 /*100*/ NULL, 547 NULL, 548 NULL, 549 "PIM", 550 NULL, 551 /*105*/ NULL, NULL, NULL, NULL, NULL, 552 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 553 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 554 /*130*/ NULL, 555 NULL, 556 "SCTP", 557 NULL, 558 NULL, 559 /*135*/ NULL, NULL, NULL, NULL, NULL, 560 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 561 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 562 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 563 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 564 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 565 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 566 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 567 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 568 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 569 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 570 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 571 NULL, NULL, NULL, NULL, NULL, NULL, 572 }; 573 574 /* 575 * Dump IP6 statistics structure. 576 */ 577 void 578 ip6_stats(u_long off, char *name) 579 { 580 uint64_t ip6stat[IP6_NSTATS]; 581 int first, i; 582 struct protoent *ep; 583 const char *n; 584 585 if (use_sysctl) { 586 size_t size = sizeof(ip6stat); 587 588 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 589 NULL, 0) == -1) 590 err(1, "net.inet6.ip6.stats"); 591 } else { 592 if (off == 0) 593 return; 594 kread(off, (char *)ip6stat, sizeof (ip6stat)); 595 } 596 printf("%s:\n", name); 597 598 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 599 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 600 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 601 printf(m, (unsigned long long)ip6stat[f]) 602 603 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 604 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 605 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 606 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 607 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 608 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 609 p(IP6_STAT_FRAGDROPPED, 610 "\t%llu fragment%s dropped (dup or out of space)\n"); 611 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 612 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 613 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 614 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 615 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 616 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 617 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 618 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 619 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 620 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 621 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 622 p(IP6_STAT_ODROPPED, 623 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 624 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 625 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 626 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 627 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 628 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 629 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 630 for (first = 1, i = 0; i < 256; i++) 631 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 632 if (first) { 633 printf("\tInput packet histogram:\n"); 634 first = 0; 635 } 636 n = NULL; 637 if (ip6nh[i]) 638 n = ip6nh[i]; 639 else if ((ep = getprotobynumber(i)) != NULL) 640 n = ep->p_name; 641 if (n) 642 printf("\t\t%s: %llu\n", n, 643 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 644 else 645 printf("\t\t#%d: %llu\n", i, 646 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 647 } 648 printf("\tMbuf statistics:\n"); 649 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 650 for (first = 1, i = 0; i < 32; i++) { 651 char ifbuf[IFNAMSIZ]; 652 if (ip6stat[IP6_STAT_M2M + i] != 0) { 653 if (first) { 654 printf("\t\ttwo or more mbuf:\n"); 655 first = 0; 656 } 657 printf("\t\t\t%s = %llu\n", 658 if_indextoname(i, ifbuf), 659 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 660 } 661 } 662 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 663 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 664 p(IP6_STAT_EXTHDRTOOLONG, 665 "\t%llu packet%s whose headers are not continuous\n"); 666 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 667 p(IP6_STAT_TOOMANYHDR, 668 "\t%llu packet%s discarded due to too many headers\n"); 669 670 /* for debugging source address selection */ 671 #define PRINT_SCOPESTAT(s,i) do {\ 672 switch(i) { /* XXX hardcoding in each case */\ 673 case 1:\ 674 p(s, "\t\t%llu node-local%s\n");\ 675 break;\ 676 case 2:\ 677 p(s, "\t\t%llu link-local%s\n");\ 678 break;\ 679 case 5:\ 680 p(s, "\t\t%llu site-local%s\n");\ 681 break;\ 682 case 14:\ 683 p(s, "\t\t%llu global%s\n");\ 684 break;\ 685 default:\ 686 printf("\t\t%llu addresses scope=%x\n",\ 687 (unsigned long long)ip6stat[s], i);\ 688 }\ 689 } while(/*CONSTCOND*/0); 690 691 p(IP6_STAT_SOURCES_NONE, 692 "\t%llu failure%s of source address selection\n"); 693 for (first = 1, i = 0; i < 16; i++) { 694 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 695 if (first) { 696 printf("\tsource addresses on an outgoing I/F\n"); 697 first = 0; 698 } 699 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 700 } 701 } 702 for (first = 1, i = 0; i < 16; i++) { 703 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 704 if (first) { 705 printf("\tsource addresses on a non-outgoing I/F\n"); 706 first = 0; 707 } 708 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 709 } 710 } 711 for (first = 1, i = 0; i < 16; i++) { 712 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 713 if (first) { 714 printf("\tsource addresses of same scope\n"); 715 first = 0; 716 } 717 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 718 } 719 } 720 for (first = 1, i = 0; i < 16; i++) { 721 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 722 if (first) { 723 printf("\tsource addresses of a different scope\n"); 724 first = 0; 725 } 726 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 727 } 728 } 729 for (first = 1, i = 0; i < 16; i++) { 730 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 731 if (first) { 732 printf("\tdeprecated source addresses\n"); 733 first = 0; 734 } 735 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 736 } 737 } 738 739 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 740 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 741 #undef p 742 #undef p1 743 } 744 745 /* 746 * Dump IPv6 per-interface statistics based on RFC 2465. 747 */ 748 void 749 ip6_ifstats(ifname) 750 char *ifname; 751 { 752 struct in6_ifreq ifr; 753 int s; 754 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 755 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 756 plural(ifr.ifr_ifru.ifru_stat.f)) 757 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 758 printf(m, (unsigned long long)ip6stat.f) 759 760 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 761 perror("Warning: socket(AF_INET6)"); 762 return; 763 } 764 765 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 766 printf("ip6 on %s:\n", ifname); 767 768 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 769 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 770 goto end; 771 } 772 773 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 774 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 775 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 776 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 777 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 778 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 779 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 780 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 781 p(ifs6_in_deliver, 782 "\t%llu datagram%s delivered to an upper layer protocol\n"); 783 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 784 p(ifs6_out_request, 785 "\t%llu datagram%s sent from an upper layer protocol\n"); 786 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 787 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 788 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 789 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 790 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 791 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 792 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 793 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 794 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 795 796 end: 797 close(s); 798 799 #undef p 800 #undef p_5 801 } 802 803 static const char *icmp6names[] = { 804 "#0", 805 "unreach", 806 "packet too big", 807 "time exceed", 808 "parameter problem", 809 "#5", 810 "#6", 811 "#7", 812 "#8", 813 "#9", 814 "#10", 815 "#11", 816 "#12", 817 "#13", 818 "#14", 819 "#15", 820 "#16", 821 "#17", 822 "#18", 823 "#19", 824 "#20", 825 "#21", 826 "#22", 827 "#23", 828 "#24", 829 "#25", 830 "#26", 831 "#27", 832 "#28", 833 "#29", 834 "#30", 835 "#31", 836 "#32", 837 "#33", 838 "#34", 839 "#35", 840 "#36", 841 "#37", 842 "#38", 843 "#39", 844 "#40", 845 "#41", 846 "#42", 847 "#43", 848 "#44", 849 "#45", 850 "#46", 851 "#47", 852 "#48", 853 "#49", 854 "#50", 855 "#51", 856 "#52", 857 "#53", 858 "#54", 859 "#55", 860 "#56", 861 "#57", 862 "#58", 863 "#59", 864 "#60", 865 "#61", 866 "#62", 867 "#63", 868 "#64", 869 "#65", 870 "#66", 871 "#67", 872 "#68", 873 "#69", 874 "#70", 875 "#71", 876 "#72", 877 "#73", 878 "#74", 879 "#75", 880 "#76", 881 "#77", 882 "#78", 883 "#79", 884 "#80", 885 "#81", 886 "#82", 887 "#83", 888 "#84", 889 "#85", 890 "#86", 891 "#87", 892 "#88", 893 "#89", 894 "#80", 895 "#91", 896 "#92", 897 "#93", 898 "#94", 899 "#95", 900 "#96", 901 "#97", 902 "#98", 903 "#99", 904 "#100", 905 "#101", 906 "#102", 907 "#103", 908 "#104", 909 "#105", 910 "#106", 911 "#107", 912 "#108", 913 "#109", 914 "#110", 915 "#111", 916 "#112", 917 "#113", 918 "#114", 919 "#115", 920 "#116", 921 "#117", 922 "#118", 923 "#119", 924 "#120", 925 "#121", 926 "#122", 927 "#123", 928 "#124", 929 "#125", 930 "#126", 931 "#127", 932 "echo", 933 "echo reply", 934 "multicast listener query", 935 "multicast listener report", 936 "multicast listener done", 937 "router solicitation", 938 "router advertisement", 939 "neighbor solicitation", 940 "neighbor advertisement", 941 "redirect", 942 "router renumbering", 943 "node information request", 944 "node information reply", 945 "#141", 946 "#142", 947 "#143", 948 "#144", 949 "#145", 950 "#146", 951 "#147", 952 "#148", 953 "#149", 954 "#150", 955 "#151", 956 "#152", 957 "#153", 958 "#154", 959 "#155", 960 "#156", 961 "#157", 962 "#158", 963 "#159", 964 "#160", 965 "#161", 966 "#162", 967 "#163", 968 "#164", 969 "#165", 970 "#166", 971 "#167", 972 "#168", 973 "#169", 974 "#170", 975 "#171", 976 "#172", 977 "#173", 978 "#174", 979 "#175", 980 "#176", 981 "#177", 982 "#178", 983 "#179", 984 "#180", 985 "#181", 986 "#182", 987 "#183", 988 "#184", 989 "#185", 990 "#186", 991 "#187", 992 "#188", 993 "#189", 994 "#180", 995 "#191", 996 "#192", 997 "#193", 998 "#194", 999 "#195", 1000 "#196", 1001 "#197", 1002 "#198", 1003 "#199", 1004 "#200", 1005 "#201", 1006 "#202", 1007 "#203", 1008 "#204", 1009 "#205", 1010 "#206", 1011 "#207", 1012 "#208", 1013 "#209", 1014 "#210", 1015 "#211", 1016 "#212", 1017 "#213", 1018 "#214", 1019 "#215", 1020 "#216", 1021 "#217", 1022 "#218", 1023 "#219", 1024 "#220", 1025 "#221", 1026 "#222", 1027 "#223", 1028 "#224", 1029 "#225", 1030 "#226", 1031 "#227", 1032 "#228", 1033 "#229", 1034 "#230", 1035 "#231", 1036 "#232", 1037 "#233", 1038 "#234", 1039 "#235", 1040 "#236", 1041 "#237", 1042 "#238", 1043 "#239", 1044 "#240", 1045 "#241", 1046 "#242", 1047 "#243", 1048 "#244", 1049 "#245", 1050 "#246", 1051 "#247", 1052 "#248", 1053 "#249", 1054 "#250", 1055 "#251", 1056 "#252", 1057 "#253", 1058 "#254", 1059 "#255", 1060 }; 1061 1062 /* 1063 * Dump ICMPv6 statistics. 1064 */ 1065 void 1066 icmp6_stats(u_long off, char *name) 1067 { 1068 uint64_t icmp6stat[ICMP6_NSTATS]; 1069 register int i, first; 1070 1071 if (use_sysctl) { 1072 size_t size = sizeof(icmp6stat); 1073 1074 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1075 NULL, 0) == -1) 1076 err(1, "net.inet6.icmp6.stats"); 1077 } else { 1078 if (off == 0) 1079 return; 1080 kread(off, (char *)icmp6stat, sizeof (icmp6stat)); 1081 } 1082 1083 printf("%s:\n", name); 1084 1085 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1086 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1087 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1088 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1089 1090 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1091 p(ICMP6_STAT_CANTERROR, 1092 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1093 p(ICMP6_STAT_TOOFREQ, 1094 "\t%llu error%s not generated because of rate limitation\n"); 1095 for (first = 1, i = 0; i < 256; i++) 1096 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1097 if (first) { 1098 printf("\tOutput packet histogram:\n"); 1099 first = 0; 1100 } 1101 printf("\t\t%s: %llu\n", icmp6names[i], 1102 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1103 } 1104 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1105 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1106 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1107 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1108 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1109 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1110 if (first) { 1111 printf("\tInput packet histogram:\n"); 1112 first = 0; 1113 } 1114 printf("\t\t%s: %llu\n", icmp6names[i], 1115 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1116 } 1117 printf("\tHistogram of error messages to be generated:\n"); 1118 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1119 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1120 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1121 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1122 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1123 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1124 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1125 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1126 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1127 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1128 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1129 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1130 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1131 1132 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1133 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1134 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1135 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1136 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1137 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1138 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1139 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1140 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1141 #undef p 1142 #undef p_oerr 1143 } 1144 1145 /* 1146 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1147 */ 1148 void 1149 icmp6_ifstats(ifname) 1150 char *ifname; 1151 { 1152 struct in6_ifreq ifr; 1153 int s; 1154 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1155 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1156 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1157 1158 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1159 perror("Warning: socket(AF_INET6)"); 1160 return; 1161 } 1162 1163 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1164 printf("icmp6 on %s:\n", ifname); 1165 1166 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1167 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1168 goto end; 1169 } 1170 1171 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1172 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1173 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1174 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1175 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1176 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1177 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1178 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1179 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1180 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1181 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1182 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1183 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1184 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1185 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1186 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1187 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1188 1189 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1190 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1191 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1192 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1193 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1194 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1195 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1196 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1197 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1198 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1199 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1200 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1201 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1202 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1203 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1204 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1205 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1206 1207 end: 1208 close(s); 1209 #undef p 1210 } 1211 1212 /* 1213 * Dump PIM statistics structure. 1214 */ 1215 void 1216 pim6_stats(off, name) 1217 u_long off; 1218 char *name; 1219 { 1220 struct pim6stat pim6stat; 1221 1222 if (use_sysctl) { 1223 size_t size = sizeof(pim6stat); 1224 1225 if (sysctlbyname("net.inet6.pim6.stats", &pim6stat, &size, 1226 NULL, 0) == -1) 1227 err(1, "net.inet6.pim6.stats"); 1228 } else { 1229 if (off == 0) 1230 return; 1231 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1232 } 1233 printf("%s:\n", name); 1234 1235 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1236 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1237 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1238 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1239 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1240 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1241 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1242 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1243 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1244 #undef p 1245 } 1246 1247 /* 1248 * Dump raw ip6 statistics structure. 1249 */ 1250 void 1251 rip6_stats(off, name) 1252 u_long off; 1253 char *name; 1254 { 1255 struct rip6stat rip6stat; 1256 u_quad_t delivered; 1257 1258 if (use_sysctl) { 1259 size_t size = sizeof(rip6stat); 1260 1261 if (sysctlbyname("net.inet6.raw6.stats", &rip6stat, &size, 1262 NULL, 0) == -1) 1263 err(1, "net.inet6.raw6.stats"); 1264 } else { 1265 if (off == 0) 1266 return; 1267 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 1268 } 1269 printf("%s:\n", name); 1270 1271 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1272 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1273 p(rip6s_ipackets, "\t%llu message%s received\n"); 1274 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1275 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1276 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1277 p(rip6s_nosockmcast, 1278 "\t%llu multicast message%s dropped due to no socket\n"); 1279 p(rip6s_fullsock, 1280 "\t%llu message%s dropped due to full socket buffers\n"); 1281 delivered = rip6stat.rip6s_ipackets - 1282 rip6stat.rip6s_badsum - 1283 rip6stat.rip6s_nosock - 1284 rip6stat.rip6s_nosockmcast - 1285 rip6stat.rip6s_fullsock; 1286 if (delivered || sflag <= 1) 1287 printf("\t%llu delivered\n", (unsigned long long)delivered); 1288 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1289 #undef p 1290 } 1291 1292 /* 1293 * Pretty print an Internet address (net address + port). 1294 * Take numeric_addr and numeric_port into consideration. 1295 */ 1296 void 1297 inet6print(in6, port, proto) 1298 register struct in6_addr *in6; 1299 int port; 1300 char *proto; 1301 { 1302 #define GETSERVBYPORT6(port, proto, ret)\ 1303 do {\ 1304 if (strcmp((proto), "tcp6") == 0)\ 1305 (ret) = getservbyport((int)(port), "tcp");\ 1306 else if (strcmp((proto), "udp6") == 0)\ 1307 (ret) = getservbyport((int)(port), "udp");\ 1308 else\ 1309 (ret) = getservbyport((int)(port), (proto));\ 1310 } while (0) 1311 struct servent *sp = 0; 1312 char line[80], *cp; 1313 int width; 1314 1315 width = Aflag ? 12 : 16; 1316 if (vflag && width < strlen(inet6name(in6))) 1317 width = strlen(inet6name(in6)); 1318 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1319 cp = strchr(line, '\0'); 1320 if (!numeric_port && port) 1321 GETSERVBYPORT6(port, proto, sp); 1322 if (sp || port == 0) 1323 snprintf(cp, sizeof(line) - (cp - line), 1324 "%s", sp ? sp->s_name : "*"); 1325 else 1326 snprintf(cp, sizeof(line) - (cp - line), 1327 "%d", ntohs((u_short)port)); 1328 width = Aflag ? 18 : 22; 1329 if (vflag && width < strlen(line)) 1330 width = strlen(line); 1331 printf(" %-*.*s", width, width, line); 1332 } 1333 1334 /* 1335 * Construct an Internet address representation. 1336 * If the numeric_addr has been supplied, give 1337 * numeric value, otherwise try for symbolic name. 1338 */ 1339 1340 char * 1341 inet6name(in6p) 1342 struct in6_addr *in6p; 1343 { 1344 register char *cp; 1345 static char line[NI_MAXHOST]; 1346 struct hostent *hp; 1347 static char domain[MAXHOSTNAMELEN + 1]; 1348 static int first = 1; 1349 char hbuf[NI_MAXHOST]; 1350 struct sockaddr_in6 sin6; 1351 const int niflag = NI_NUMERICHOST; 1352 1353 if (first && !numeric_addr) { 1354 first = 0; 1355 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1356 (cp = strchr(domain, '.'))) 1357 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1358 else 1359 domain[0] = 0; 1360 } 1361 cp = 0; 1362 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1363 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1364 if (hp) { 1365 if ((cp = strchr(hp->h_name, '.')) && 1366 !strcmp(cp + 1, domain)) 1367 *cp = 0; 1368 cp = hp->h_name; 1369 } 1370 } 1371 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1372 strlcpy(line, "*", sizeof(line)); 1373 else if (cp) 1374 strlcpy(line, cp, sizeof(line)); 1375 else { 1376 memset(&sin6, 0, sizeof(sin6)); 1377 sin6.sin6_len = sizeof(sin6); 1378 sin6.sin6_family = AF_INET6; 1379 sin6.sin6_addr = *in6p; 1380 #ifdef __KAME__ 1381 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1382 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1383 sin6.sin6_scope_id = 1384 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1385 sin6.sin6_addr.s6_addr[2] = 0; 1386 sin6.sin6_addr.s6_addr[3] = 0; 1387 } 1388 #endif 1389 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1390 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1391 strlcpy(hbuf, "?", sizeof(hbuf)); 1392 strlcpy(line, hbuf, sizeof(line)); 1393 } 1394 return (line); 1395 } 1396 1397 #ifdef TCP6 1398 /* 1399 * Dump the contents of a TCP6 PCB. 1400 */ 1401 void 1402 tcp6_dump(pcbaddr) 1403 u_long pcbaddr; 1404 { 1405 struct tcp6cb tcp6cb; 1406 int i; 1407 1408 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1409 1410 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1411 1412 printf("Timers:\n"); 1413 for (i = 0; i < TCP6T_NTIMERS; i++) 1414 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1415 printf("\n\n"); 1416 1417 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1418 printf("State: %d", tcp6cb.t_state); 1419 else 1420 printf("State: %s", tcp6states[tcp6cb.t_state]); 1421 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1422 (u_long)tcp6cb.t_in6pcb); 1423 1424 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1425 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1426 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1427 tcp6cb.t_maxseg, tcp6cb.t_force); 1428 1429 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1430 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1431 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1432 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1433 (unsigned long long)tcp6cb.snd_wnd); 1434 1435 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1436 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1437 tcp6cb.rcv_up, tcp6cb.irs); 1438 1439 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1440 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1441 (unsigned long long)tcp6cb.snd_ssthresh); 1442 1443 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1444 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1445 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1446 (unsigned long long)tcp6cb.max_sndwnd); 1447 1448 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1449 tcp6cb.t_iobc, tcp6cb.t_softerror); 1450 1451 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1452 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1453 tcp6cb.requested_s_scale); 1454 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1455 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1456 } 1457 #endif 1458 1459 #endif /*INET6*/ 1460
Indexes created Thu Sep 25 16:09:42 GMT 2025