inet6.c revision 1.46
1 /* $NetBSD: inet6.c,v 1.46 2008/04/15 04:43:25 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 1.46 2008/04/15 04:43:25 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(u_long off, char *name) 434 { 435 uint64_t udp6stat[UDP6_NSTATS]; 436 u_quad_t delivered; 437 438 if (use_sysctl) { 439 size_t size = sizeof(udp6stat); 440 441 if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, 442 NULL, 0) == -1) 443 err(1, "net.inet6.udp6.stats"); 444 } else { 445 if (off == 0) 446 return; 447 kread(off, (char *)udp6stat, sizeof (udp6stat)); 448 } 449 printf("%s:\n", name); 450 #define p(f, m) if (udp6stat[f] || sflag <= 1) \ 451 printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) 452 #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ 453 printf(m, (unsigned long long)udp6stat[f]) 454 p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); 455 p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); 456 p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); 457 p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); 458 p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); 459 p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); 460 p(UDP6_STAT_NOPORTMCAST, 461 "\t%llu multicast datagram%s dropped due to no socket\n"); 462 p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); 463 delivered = udp6stat[UDP6_STAT_IPACKETS] - 464 udp6stat[UDP6_STAT_HDROPS] - 465 udp6stat[UDP6_STAT_BADLEN] - 466 udp6stat[UDP6_STAT_BADSUM] - 467 udp6stat[UDP6_STAT_NOPORT] - 468 udp6stat[UDP6_STAT_NOPORTMCAST] - 469 udp6stat[UDP6_STAT_FULLSOCK]; 470 if (delivered || sflag <= 1) 471 printf("\t%llu delivered\n", (unsigned long long)delivered); 472 p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 473 #undef p 474 #undef p1 475 } 476 477 static const char *ip6nh[] = { 478 /*0*/ "hop by hop", 479 "ICMP", 480 "IGMP", 481 NULL, 482 "IP", 483 /*5*/ NULL, 484 "TCP", 485 NULL, 486 NULL, 487 NULL, 488 /*10*/ NULL, NULL, NULL, NULL, NULL, 489 /*15*/ NULL, 490 NULL, 491 "UDP", 492 NULL, 493 NULL, 494 /*20*/ NULL, 495 NULL, 496 "IDP", 497 NULL, 498 NULL, 499 /*25*/ NULL, 500 NULL, 501 NULL, 502 NULL, 503 "TP", 504 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 505 /*40*/ NULL, 506 "IP6", 507 NULL, 508 "routing", 509 "fragment", 510 /*45*/ NULL, NULL, NULL, NULL, NULL, 511 /*50*/ "ESP", 512 "AH", 513 NULL, 514 NULL, 515 NULL, 516 /*55*/ NULL, 517 NULL, 518 NULL, 519 "ICMP6", 520 "no next header", 521 /*60*/ "destination option", 522 NULL, 523 NULL, 524 NULL, 525 NULL, 526 /*65*/ NULL, NULL, NULL, NULL, NULL, 527 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 528 /*80*/ "ISOIP", 529 NULL, 530 NULL, 531 NULL, 532 NULL, 533 NULL, 534 NULL, 535 NULL, 536 NULL, 537 "OSPF", 538 /*90*/ NULL, NULL, NULL, NULL, NULL, 539 /*95*/ NULL, 540 NULL, 541 "Ethernet", 542 NULL, 543 NULL, 544 /*100*/ NULL, 545 NULL, 546 NULL, 547 "PIM", 548 NULL, 549 /*105*/ NULL, NULL, NULL, NULL, NULL, 550 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 551 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 552 /*130*/ NULL, 553 NULL, 554 "SCTP", 555 NULL, 556 NULL, 557 /*135*/ NULL, NULL, NULL, NULL, NULL, 558 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 559 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 560 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 561 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 562 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 563 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 564 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 565 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 566 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 567 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 568 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 569 NULL, NULL, NULL, NULL, NULL, NULL, 570 }; 571 572 /* 573 * Dump IP6 statistics structure. 574 */ 575 void 576 ip6_stats(u_long off, char *name) 577 { 578 uint64_t ip6stat[IP6_NSTATS]; 579 int first, i; 580 struct protoent *ep; 581 const char *n; 582 583 if (use_sysctl) { 584 size_t size = sizeof(ip6stat); 585 586 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 587 NULL, 0) == -1) 588 err(1, "net.inet6.ip6.stats"); 589 } else { 590 if (off == 0) 591 return; 592 kread(off, (char *)ip6stat, sizeof (ip6stat)); 593 } 594 printf("%s:\n", name); 595 596 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 597 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 598 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 599 printf(m, (unsigned long long)ip6stat[f]) 600 601 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 602 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 603 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 604 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 605 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 606 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 607 p(IP6_STAT_FRAGDROPPED, 608 "\t%llu fragment%s dropped (dup or out of space)\n"); 609 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 610 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 611 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 612 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 613 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 614 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 615 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 616 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 617 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 618 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 619 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 620 p(IP6_STAT_ODROPPED, 621 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 622 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 623 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 624 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 625 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 626 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 627 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 628 for (first = 1, i = 0; i < 256; i++) 629 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 630 if (first) { 631 printf("\tInput packet histogram:\n"); 632 first = 0; 633 } 634 n = NULL; 635 if (ip6nh[i]) 636 n = ip6nh[i]; 637 else if ((ep = getprotobynumber(i)) != NULL) 638 n = ep->p_name; 639 if (n) 640 printf("\t\t%s: %llu\n", n, 641 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 642 else 643 printf("\t\t#%d: %llu\n", i, 644 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 645 } 646 printf("\tMbuf statistics:\n"); 647 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 648 for (first = 1, i = 0; i < 32; i++) { 649 char ifbuf[IFNAMSIZ]; 650 if (ip6stat[IP6_STAT_M2M + i] != 0) { 651 if (first) { 652 printf("\t\ttwo or more mbuf:\n"); 653 first = 0; 654 } 655 printf("\t\t\t%s = %llu\n", 656 if_indextoname(i, ifbuf), 657 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 658 } 659 } 660 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 661 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 662 p(IP6_STAT_EXTHDRTOOLONG, 663 "\t%llu packet%s whose headers are not continuous\n"); 664 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 665 p(IP6_STAT_TOOMANYHDR, 666 "\t%llu packet%s discarded due to too many headers\n"); 667 668 /* for debugging source address selection */ 669 #define PRINT_SCOPESTAT(s,i) do {\ 670 switch(i) { /* XXX hardcoding in each case */\ 671 case 1:\ 672 p(s, "\t\t%llu node-local%s\n");\ 673 break;\ 674 case 2:\ 675 p(s, "\t\t%llu link-local%s\n");\ 676 break;\ 677 case 5:\ 678 p(s, "\t\t%llu site-local%s\n");\ 679 break;\ 680 case 14:\ 681 p(s, "\t\t%llu global%s\n");\ 682 break;\ 683 default:\ 684 printf("\t\t%llu addresses scope=%x\n",\ 685 (unsigned long long)ip6stat[s], i);\ 686 }\ 687 } while(/*CONSTCOND*/0); 688 689 p(IP6_STAT_SOURCES_NONE, 690 "\t%llu failure%s of source address selection\n"); 691 for (first = 1, i = 0; i < 16; i++) { 692 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 693 if (first) { 694 printf("\tsource addresses on an outgoing I/F\n"); 695 first = 0; 696 } 697 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 698 } 699 } 700 for (first = 1, i = 0; i < 16; i++) { 701 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 702 if (first) { 703 printf("\tsource addresses on a non-outgoing I/F\n"); 704 first = 0; 705 } 706 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 707 } 708 } 709 for (first = 1, i = 0; i < 16; i++) { 710 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 711 if (first) { 712 printf("\tsource addresses of same scope\n"); 713 first = 0; 714 } 715 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 716 } 717 } 718 for (first = 1, i = 0; i < 16; i++) { 719 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 720 if (first) { 721 printf("\tsource addresses of a different scope\n"); 722 first = 0; 723 } 724 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 725 } 726 } 727 for (first = 1, i = 0; i < 16; i++) { 728 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 729 if (first) { 730 printf("\tdeprecated source addresses\n"); 731 first = 0; 732 } 733 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 734 } 735 } 736 737 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 738 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 739 #undef p 740 #undef p1 741 } 742 743 /* 744 * Dump IPv6 per-interface statistics based on RFC 2465. 745 */ 746 void 747 ip6_ifstats(ifname) 748 char *ifname; 749 { 750 struct in6_ifreq ifr; 751 int s; 752 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 753 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 754 plural(ifr.ifr_ifru.ifru_stat.f)) 755 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 756 printf(m, (unsigned long long)ip6stat.f) 757 758 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 759 perror("Warning: socket(AF_INET6)"); 760 return; 761 } 762 763 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 764 printf("ip6 on %s:\n", ifname); 765 766 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 767 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 768 goto end; 769 } 770 771 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 772 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 773 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 774 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 775 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 776 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 777 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 778 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 779 p(ifs6_in_deliver, 780 "\t%llu datagram%s delivered to an upper layer protocol\n"); 781 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 782 p(ifs6_out_request, 783 "\t%llu datagram%s sent from an upper layer protocol\n"); 784 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 785 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 786 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 787 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 788 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 789 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 790 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 791 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 792 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 793 794 end: 795 close(s); 796 797 #undef p 798 #undef p_5 799 } 800 801 static const char *icmp6names[] = { 802 "#0", 803 "unreach", 804 "packet too big", 805 "time exceed", 806 "parameter problem", 807 "#5", 808 "#6", 809 "#7", 810 "#8", 811 "#9", 812 "#10", 813 "#11", 814 "#12", 815 "#13", 816 "#14", 817 "#15", 818 "#16", 819 "#17", 820 "#18", 821 "#19", 822 "#20", 823 "#21", 824 "#22", 825 "#23", 826 "#24", 827 "#25", 828 "#26", 829 "#27", 830 "#28", 831 "#29", 832 "#30", 833 "#31", 834 "#32", 835 "#33", 836 "#34", 837 "#35", 838 "#36", 839 "#37", 840 "#38", 841 "#39", 842 "#40", 843 "#41", 844 "#42", 845 "#43", 846 "#44", 847 "#45", 848 "#46", 849 "#47", 850 "#48", 851 "#49", 852 "#50", 853 "#51", 854 "#52", 855 "#53", 856 "#54", 857 "#55", 858 "#56", 859 "#57", 860 "#58", 861 "#59", 862 "#60", 863 "#61", 864 "#62", 865 "#63", 866 "#64", 867 "#65", 868 "#66", 869 "#67", 870 "#68", 871 "#69", 872 "#70", 873 "#71", 874 "#72", 875 "#73", 876 "#74", 877 "#75", 878 "#76", 879 "#77", 880 "#78", 881 "#79", 882 "#80", 883 "#81", 884 "#82", 885 "#83", 886 "#84", 887 "#85", 888 "#86", 889 "#87", 890 "#88", 891 "#89", 892 "#80", 893 "#91", 894 "#92", 895 "#93", 896 "#94", 897 "#95", 898 "#96", 899 "#97", 900 "#98", 901 "#99", 902 "#100", 903 "#101", 904 "#102", 905 "#103", 906 "#104", 907 "#105", 908 "#106", 909 "#107", 910 "#108", 911 "#109", 912 "#110", 913 "#111", 914 "#112", 915 "#113", 916 "#114", 917 "#115", 918 "#116", 919 "#117", 920 "#118", 921 "#119", 922 "#120", 923 "#121", 924 "#122", 925 "#123", 926 "#124", 927 "#125", 928 "#126", 929 "#127", 930 "echo", 931 "echo reply", 932 "multicast listener query", 933 "multicast listener report", 934 "multicast listener done", 935 "router solicitation", 936 "router advertisement", 937 "neighbor solicitation", 938 "neighbor advertisement", 939 "redirect", 940 "router renumbering", 941 "node information request", 942 "node information reply", 943 "#141", 944 "#142", 945 "#143", 946 "#144", 947 "#145", 948 "#146", 949 "#147", 950 "#148", 951 "#149", 952 "#150", 953 "#151", 954 "#152", 955 "#153", 956 "#154", 957 "#155", 958 "#156", 959 "#157", 960 "#158", 961 "#159", 962 "#160", 963 "#161", 964 "#162", 965 "#163", 966 "#164", 967 "#165", 968 "#166", 969 "#167", 970 "#168", 971 "#169", 972 "#170", 973 "#171", 974 "#172", 975 "#173", 976 "#174", 977 "#175", 978 "#176", 979 "#177", 980 "#178", 981 "#179", 982 "#180", 983 "#181", 984 "#182", 985 "#183", 986 "#184", 987 "#185", 988 "#186", 989 "#187", 990 "#188", 991 "#189", 992 "#180", 993 "#191", 994 "#192", 995 "#193", 996 "#194", 997 "#195", 998 "#196", 999 "#197", 1000 "#198", 1001 "#199", 1002 "#200", 1003 "#201", 1004 "#202", 1005 "#203", 1006 "#204", 1007 "#205", 1008 "#206", 1009 "#207", 1010 "#208", 1011 "#209", 1012 "#210", 1013 "#211", 1014 "#212", 1015 "#213", 1016 "#214", 1017 "#215", 1018 "#216", 1019 "#217", 1020 "#218", 1021 "#219", 1022 "#220", 1023 "#221", 1024 "#222", 1025 "#223", 1026 "#224", 1027 "#225", 1028 "#226", 1029 "#227", 1030 "#228", 1031 "#229", 1032 "#230", 1033 "#231", 1034 "#232", 1035 "#233", 1036 "#234", 1037 "#235", 1038 "#236", 1039 "#237", 1040 "#238", 1041 "#239", 1042 "#240", 1043 "#241", 1044 "#242", 1045 "#243", 1046 "#244", 1047 "#245", 1048 "#246", 1049 "#247", 1050 "#248", 1051 "#249", 1052 "#250", 1053 "#251", 1054 "#252", 1055 "#253", 1056 "#254", 1057 "#255", 1058 }; 1059 1060 /* 1061 * Dump ICMPv6 statistics. 1062 */ 1063 void 1064 icmp6_stats(u_long off, char *name) 1065 { 1066 uint64_t icmp6stat[ICMP6_NSTATS]; 1067 register int i, first; 1068 1069 if (use_sysctl) { 1070 size_t size = sizeof(icmp6stat); 1071 1072 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1073 NULL, 0) == -1) 1074 err(1, "net.inet6.icmp6.stats"); 1075 } else { 1076 if (off == 0) 1077 return; 1078 kread(off, (char *)icmp6stat, sizeof (icmp6stat)); 1079 } 1080 1081 printf("%s:\n", name); 1082 1083 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1084 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1085 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1086 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1087 1088 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1089 p(ICMP6_STAT_CANTERROR, 1090 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1091 p(ICMP6_STAT_TOOFREQ, 1092 "\t%llu error%s not generated because of rate limitation\n"); 1093 for (first = 1, i = 0; i < 256; i++) 1094 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1095 if (first) { 1096 printf("\tOutput packet histogram:\n"); 1097 first = 0; 1098 } 1099 printf("\t\t%s: %llu\n", icmp6names[i], 1100 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1101 } 1102 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1103 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1104 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1105 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1106 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1107 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1108 if (first) { 1109 printf("\tInput packet histogram:\n"); 1110 first = 0; 1111 } 1112 printf("\t\t%s: %llu\n", icmp6names[i], 1113 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1114 } 1115 printf("\tHistogram of error messages to be generated:\n"); 1116 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1117 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1118 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1119 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1120 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1121 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1122 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1123 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1124 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1125 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1126 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1127 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1128 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1129 1130 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1131 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1132 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1133 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1134 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1135 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1136 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1137 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1138 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1139 #undef p 1140 #undef p_oerr 1141 } 1142 1143 /* 1144 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1145 */ 1146 void 1147 icmp6_ifstats(ifname) 1148 char *ifname; 1149 { 1150 struct in6_ifreq ifr; 1151 int s; 1152 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1153 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1154 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1155 1156 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1157 perror("Warning: socket(AF_INET6)"); 1158 return; 1159 } 1160 1161 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1162 printf("icmp6 on %s:\n", ifname); 1163 1164 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1165 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1166 goto end; 1167 } 1168 1169 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1170 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1171 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1172 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1173 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1174 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1175 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1176 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1177 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1178 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1179 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1180 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1181 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1182 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1183 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1184 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1185 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1186 1187 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1188 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1189 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1190 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1191 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1192 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1193 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1194 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1195 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1196 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1197 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1198 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1199 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1200 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1201 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1202 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1203 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1204 1205 end: 1206 close(s); 1207 #undef p 1208 } 1209 1210 /* 1211 * Dump PIM statistics structure. 1212 */ 1213 void 1214 pim6_stats(off, name) 1215 u_long off; 1216 char *name; 1217 { 1218 struct pim6stat pim6stat; 1219 1220 if (use_sysctl) { 1221 size_t size = sizeof(pim6stat); 1222 1223 if (sysctlbyname("net.inet6.pim6.stats", &pim6stat, &size, 1224 NULL, 0) == -1) 1225 err(1, "net.inet6.pim6.stats"); 1226 } else { 1227 if (off == 0) 1228 return; 1229 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1230 } 1231 printf("%s:\n", name); 1232 1233 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1234 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1235 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1236 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1237 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1238 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1239 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1240 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1241 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1242 #undef p 1243 } 1244 1245 /* 1246 * Dump raw ip6 statistics structure. 1247 */ 1248 void 1249 rip6_stats(off, name) 1250 u_long off; 1251 char *name; 1252 { 1253 struct rip6stat rip6stat; 1254 u_quad_t delivered; 1255 1256 if (use_sysctl) { 1257 size_t size = sizeof(rip6stat); 1258 1259 if (sysctlbyname("net.inet6.raw6.stats", &rip6stat, &size, 1260 NULL, 0) == -1) 1261 err(1, "net.inet6.raw6.stats"); 1262 } else { 1263 if (off == 0) 1264 return; 1265 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 1266 } 1267 printf("%s:\n", name); 1268 1269 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1270 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1271 p(rip6s_ipackets, "\t%llu message%s received\n"); 1272 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1273 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1274 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1275 p(rip6s_nosockmcast, 1276 "\t%llu multicast message%s dropped due to no socket\n"); 1277 p(rip6s_fullsock, 1278 "\t%llu message%s dropped due to full socket buffers\n"); 1279 delivered = rip6stat.rip6s_ipackets - 1280 rip6stat.rip6s_badsum - 1281 rip6stat.rip6s_nosock - 1282 rip6stat.rip6s_nosockmcast - 1283 rip6stat.rip6s_fullsock; 1284 if (delivered || sflag <= 1) 1285 printf("\t%llu delivered\n", (unsigned long long)delivered); 1286 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1287 #undef p 1288 } 1289 1290 /* 1291 * Pretty print an Internet address (net address + port). 1292 * Take numeric_addr and numeric_port into consideration. 1293 */ 1294 void 1295 inet6print(in6, port, proto) 1296 register struct in6_addr *in6; 1297 int port; 1298 char *proto; 1299 { 1300 #define GETSERVBYPORT6(port, proto, ret)\ 1301 do {\ 1302 if (strcmp((proto), "tcp6") == 0)\ 1303 (ret) = getservbyport((int)(port), "tcp");\ 1304 else if (strcmp((proto), "udp6") == 0)\ 1305 (ret) = getservbyport((int)(port), "udp");\ 1306 else\ 1307 (ret) = getservbyport((int)(port), (proto));\ 1308 } while (0) 1309 struct servent *sp = 0; 1310 char line[80], *cp; 1311 int width; 1312 1313 width = Aflag ? 12 : 16; 1314 if (vflag && width < strlen(inet6name(in6))) 1315 width = strlen(inet6name(in6)); 1316 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1317 cp = strchr(line, '\0'); 1318 if (!numeric_port && port) 1319 GETSERVBYPORT6(port, proto, sp); 1320 if (sp || port == 0) 1321 snprintf(cp, sizeof(line) - (cp - line), 1322 "%s", sp ? sp->s_name : "*"); 1323 else 1324 snprintf(cp, sizeof(line) - (cp - line), 1325 "%d", ntohs((u_short)port)); 1326 width = Aflag ? 18 : 22; 1327 if (vflag && width < strlen(line)) 1328 width = strlen(line); 1329 printf(" %-*.*s", width, width, line); 1330 } 1331 1332 /* 1333 * Construct an Internet address representation. 1334 * If the numeric_addr has been supplied, give 1335 * numeric value, otherwise try for symbolic name. 1336 */ 1337 1338 char * 1339 inet6name(in6p) 1340 struct in6_addr *in6p; 1341 { 1342 register char *cp; 1343 static char line[NI_MAXHOST]; 1344 struct hostent *hp; 1345 static char domain[MAXHOSTNAMELEN + 1]; 1346 static int first = 1; 1347 char hbuf[NI_MAXHOST]; 1348 struct sockaddr_in6 sin6; 1349 const int niflag = NI_NUMERICHOST; 1350 1351 if (first && !numeric_addr) { 1352 first = 0; 1353 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1354 (cp = strchr(domain, '.'))) 1355 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1356 else 1357 domain[0] = 0; 1358 } 1359 cp = 0; 1360 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1361 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1362 if (hp) { 1363 if ((cp = strchr(hp->h_name, '.')) && 1364 !strcmp(cp + 1, domain)) 1365 *cp = 0; 1366 cp = hp->h_name; 1367 } 1368 } 1369 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1370 strlcpy(line, "*", sizeof(line)); 1371 else if (cp) 1372 strlcpy(line, cp, sizeof(line)); 1373 else { 1374 memset(&sin6, 0, sizeof(sin6)); 1375 sin6.sin6_len = sizeof(sin6); 1376 sin6.sin6_family = AF_INET6; 1377 sin6.sin6_addr = *in6p; 1378 #ifdef __KAME__ 1379 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1380 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1381 sin6.sin6_scope_id = 1382 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1383 sin6.sin6_addr.s6_addr[2] = 0; 1384 sin6.sin6_addr.s6_addr[3] = 0; 1385 } 1386 #endif 1387 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1388 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1389 strlcpy(hbuf, "?", sizeof(hbuf)); 1390 strlcpy(line, hbuf, sizeof(line)); 1391 } 1392 return (line); 1393 } 1394 1395 #ifdef TCP6 1396 /* 1397 * Dump the contents of a TCP6 PCB. 1398 */ 1399 void 1400 tcp6_dump(pcbaddr) 1401 u_long pcbaddr; 1402 { 1403 struct tcp6cb tcp6cb; 1404 int i; 1405 1406 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1407 1408 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1409 1410 printf("Timers:\n"); 1411 for (i = 0; i < TCP6T_NTIMERS; i++) 1412 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1413 printf("\n\n"); 1414 1415 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1416 printf("State: %d", tcp6cb.t_state); 1417 else 1418 printf("State: %s", tcp6states[tcp6cb.t_state]); 1419 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1420 (u_long)tcp6cb.t_in6pcb); 1421 1422 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1423 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1424 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1425 tcp6cb.t_maxseg, tcp6cb.t_force); 1426 1427 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1428 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1429 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1430 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1431 (unsigned long long)tcp6cb.snd_wnd); 1432 1433 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1434 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1435 tcp6cb.rcv_up, tcp6cb.irs); 1436 1437 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1438 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1439 (unsigned long long)tcp6cb.snd_ssthresh); 1440 1441 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1442 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1443 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1444 (unsigned long long)tcp6cb.max_sndwnd); 1445 1446 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1447 tcp6cb.t_iobc, tcp6cb.t_softerror); 1448 1449 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1450 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1451 tcp6cb.requested_s_scale); 1452 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1453 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1454 } 1455 #endif 1456 1457 #endif /*INET6*/ 1458
Indexes created Thu Sep 25 16:09:42 GMT 2025