1 /* $NetBSD: inet6.c,v 1.50 2008/04/24 04:09:27 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 1.50 2008/04/24 04:09:27 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(struct in6_addr *); 144 void inet6print(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(u_long off, char *name) 219 { 220 struct inpcbtable table; 221 struct in6pcb *head, *prev, *next; 222 int istcp; 223 static int first = 1; 224 225 compact = 0; 226 if (Aflag) { 227 if (!numeric_addr) 228 width = 18; 229 else { 230 width = 21; 231 compact = 1; 232 } 233 } else 234 width = 22; 235 236 if (use_sysctl) { 237 struct kinfo_pcb *pcblist; 238 int mib[8]; 239 size_t namelen = 0, size = 0, i; 240 char *mibname = NULL; 241 242 memset(mib, 0, sizeof(mib)); 243 244 if (asprintf(&mibname, "net.inet6.%s.pcblist", name) == -1) 245 err(1, "asprintf"); 246 247 /* get dynamic pcblist node */ 248 if (sysctlnametomib(mibname, mib, &namelen) == -1) { 249 if (errno == ENOENT) 250 return; 251 252 err(1, "sysctlnametomib: %s", mibname); 253 } 254 255 if (sysctl(mib, sizeof(mib) / sizeof(*mib), NULL, &size, 256 NULL, 0) == -1) 257 err(1, "sysctl (query)"); 258 259 if ((pcblist = malloc(size)) == NULL) 260 err(1, "malloc"); 261 memset(pcblist, 0, size); 262 263 mib[6] = sizeof(*pcblist); 264 mib[7] = size / sizeof(*pcblist); 265 266 if (sysctl(mib, sizeof(mib) / sizeof(*mib), pcblist, 267 &size, NULL, 0) == -1) 268 err(1, "sysctl (copy)"); 269 270 for (i = 0; i < size / sizeof(*pcblist); i++) { 271 struct sockaddr_in6 src, dst; 272 273 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 274 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 275 276 if (first) { 277 ip6protoprhdr(); 278 first = 0; 279 } 280 281 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 282 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 283 &src.sin6_addr, src.sin6_port, 284 &dst.sin6_addr, dst.sin6_port, 285 pcblist[i].ki_tstate, name); 286 } 287 288 free(pcblist); 289 return; 290 } 291 292 if (off == 0) 293 return; 294 istcp = strcmp(name, "tcp6") == 0; 295 kread(off, (char *)&table, sizeof (table)); 296 head = prev = 297 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 298 next = (struct in6pcb *)table.inpt_queue.cqh_first; 299 300 while (next != head) { 301 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 302 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 303 printf("???\n"); 304 break; 305 } 306 prev = next; 307 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 308 309 if (in6pcb.in6p_af != AF_INET6) 310 continue; 311 312 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) 313 continue; 314 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 315 sizeof (sockb)); 316 if (istcp) { 317 #ifdef TCP6 318 kread((u_long)in6pcb.in6p_ppcb, 319 (char *)&tcp6cb, sizeof (tcp6cb)); 320 #else 321 kread((u_long)in6pcb.in6p_ppcb, 322 (char *)&tcpcb, sizeof (tcpcb)); 323 #endif 324 } 325 if (first) { 326 ip6protoprhdr(); 327 first = 0; 328 } 329 ip6protopr0(istcp ? (intptr_t) in6pcb.in6p_ppcb : 330 (intptr_t) prev, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc, 331 &in6pcb.in6p_laddr, in6pcb.in6p_lport, 332 &in6pcb.in6p_faddr, in6pcb.in6p_fport, 333 tcpcb.t_state, name); 334 335 } 336 } 337 338 #ifdef TCP6 339 /* 340 * Dump TCP6 statistics structure. 341 */ 342 void 343 tcp6_stats(u_long off, char *name) 344 { 345 struct tcp6stat tcp6stat; 346 347 if (use_sysctl) { 348 size_t size = sizeof(tcp6stat); 349 350 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 351 NULL, 0) == -1) 352 return; 353 } else { 354 warnx("%s stats not available via KVM.", name); 355 return; 356 } 357 358 printf ("%s:\n", name); 359 360 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 361 printf(m, tcp6stat.f, plural(tcp6stat.f)) 362 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 363 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 364 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 365 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 366 367 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 368 p2(tcp6s_sndpack,tcp6s_sndbyte, 369 "\t\t%ld data packet%s (%ld byte%s)\n"); 370 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 371 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 372 p2(tcp6s_sndacks, tcp6s_delack, 373 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 374 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 375 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 376 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 377 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 378 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 379 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 380 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 381 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 382 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 383 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 384 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 385 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 386 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 387 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 388 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 389 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 390 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 391 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 392 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 393 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 394 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 395 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 396 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 397 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 398 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 399 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 400 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 401 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 402 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 403 p2(tcp6s_closed, tcp6s_drops, 404 "\t%ld connection%s closed (including %ld drop%s)\n"); 405 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 406 p2(tcp6s_rttupdated, tcp6s_segstimed, 407 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 408 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 409 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 410 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 411 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 412 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 413 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 414 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 415 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 416 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 417 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 418 #undef p 419 #undef p2 420 #undef p3 421 } 422 #endif 423 424 /* 425 * Dump UDP6 statistics structure. 426 */ 427 void 428 udp6_stats(u_long off, char *name) 429 { 430 uint64_t udp6stat[UDP6_NSTATS]; 431 u_quad_t delivered; 432 433 if (use_sysctl) { 434 size_t size = sizeof(udp6stat); 435 436 if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, 437 NULL, 0) == -1) 438 return; 439 } else { 440 warnx("%s stats not available via KVM.", name); 441 return; 442 } 443 printf("%s:\n", name); 444 #define p(f, m) if (udp6stat[f] || sflag <= 1) \ 445 printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) 446 #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ 447 printf(m, (unsigned long long)udp6stat[f]) 448 p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); 449 p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); 450 p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); 451 p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); 452 p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); 453 p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); 454 p(UDP6_STAT_NOPORTMCAST, 455 "\t%llu multicast datagram%s dropped due to no socket\n"); 456 p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); 457 delivered = udp6stat[UDP6_STAT_IPACKETS] - 458 udp6stat[UDP6_STAT_HDROPS] - 459 udp6stat[UDP6_STAT_BADLEN] - 460 udp6stat[UDP6_STAT_BADSUM] - 461 udp6stat[UDP6_STAT_NOPORT] - 462 udp6stat[UDP6_STAT_NOPORTMCAST] - 463 udp6stat[UDP6_STAT_FULLSOCK]; 464 if (delivered || sflag <= 1) 465 printf("\t%llu delivered\n", (unsigned long long)delivered); 466 p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 467 #undef p 468 #undef p1 469 } 470 471 static const char *ip6nh[] = { 472 /*0*/ "hop by hop", 473 "ICMP", 474 "IGMP", 475 NULL, 476 "IP", 477 /*5*/ NULL, 478 "TCP", 479 NULL, 480 NULL, 481 NULL, 482 /*10*/ NULL, NULL, NULL, NULL, NULL, 483 /*15*/ NULL, 484 NULL, 485 "UDP", 486 NULL, 487 NULL, 488 /*20*/ NULL, 489 NULL, 490 "IDP", 491 NULL, 492 NULL, 493 /*25*/ NULL, 494 NULL, 495 NULL, 496 NULL, 497 "TP", 498 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 499 /*40*/ NULL, 500 "IP6", 501 NULL, 502 "routing", 503 "fragment", 504 /*45*/ NULL, NULL, NULL, NULL, NULL, 505 /*50*/ "ESP", 506 "AH", 507 NULL, 508 NULL, 509 NULL, 510 /*55*/ NULL, 511 NULL, 512 NULL, 513 "ICMP6", 514 "no next header", 515 /*60*/ "destination option", 516 NULL, 517 NULL, 518 NULL, 519 NULL, 520 /*65*/ NULL, NULL, NULL, NULL, NULL, 521 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 522 /*80*/ "ISOIP", 523 NULL, 524 NULL, 525 NULL, 526 NULL, 527 NULL, 528 NULL, 529 NULL, 530 NULL, 531 "OSPF", 532 /*90*/ NULL, NULL, NULL, NULL, NULL, 533 /*95*/ NULL, 534 NULL, 535 "Ethernet", 536 NULL, 537 NULL, 538 /*100*/ NULL, 539 NULL, 540 NULL, 541 "PIM", 542 NULL, 543 /*105*/ NULL, NULL, NULL, NULL, NULL, 544 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 545 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 546 /*130*/ NULL, 547 NULL, 548 "SCTP", 549 NULL, 550 NULL, 551 /*135*/ NULL, NULL, NULL, NULL, NULL, 552 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 553 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 554 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 555 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 556 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 557 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 558 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 559 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 560 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 561 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 562 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 563 NULL, NULL, NULL, NULL, NULL, NULL, 564 }; 565 566 /* 567 * Dump IP6 statistics structure. 568 */ 569 void 570 ip6_stats(u_long off, char *name) 571 { 572 uint64_t ip6stat[IP6_NSTATS]; 573 int first, i; 574 struct protoent *ep; 575 const char *n; 576 577 if (use_sysctl) { 578 size_t size = sizeof(ip6stat); 579 580 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 581 NULL, 0) == -1) 582 return; 583 } else { 584 warnx("%s stats not available via KVM.", name); 585 return; 586 } 587 printf("%s:\n", name); 588 589 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 590 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 591 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 592 printf(m, (unsigned long long)ip6stat[f]) 593 594 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 595 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 596 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 597 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 598 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 599 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 600 p(IP6_STAT_FRAGDROPPED, 601 "\t%llu fragment%s dropped (dup or out of space)\n"); 602 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 603 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 604 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 605 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 606 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 607 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 608 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 609 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 610 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 611 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 612 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 613 p(IP6_STAT_ODROPPED, 614 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 615 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 616 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 617 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 618 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 619 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 620 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 621 for (first = 1, i = 0; i < 256; i++) 622 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 623 if (first) { 624 printf("\tInput packet histogram:\n"); 625 first = 0; 626 } 627 n = NULL; 628 if (ip6nh[i]) 629 n = ip6nh[i]; 630 else if ((ep = getprotobynumber(i)) != NULL) 631 n = ep->p_name; 632 if (n) 633 printf("\t\t%s: %llu\n", n, 634 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 635 else 636 printf("\t\t#%d: %llu\n", i, 637 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 638 } 639 printf("\tMbuf statistics:\n"); 640 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 641 for (first = 1, i = 0; i < 32; i++) { 642 char ifbuf[IFNAMSIZ]; 643 if (ip6stat[IP6_STAT_M2M + i] != 0) { 644 if (first) { 645 printf("\t\ttwo or more mbuf:\n"); 646 first = 0; 647 } 648 printf("\t\t\t%s = %llu\n", 649 if_indextoname(i, ifbuf), 650 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 651 } 652 } 653 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 654 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 655 p(IP6_STAT_EXTHDRTOOLONG, 656 "\t%llu packet%s whose headers are not continuous\n"); 657 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 658 p(IP6_STAT_TOOMANYHDR, 659 "\t%llu packet%s discarded due to too many headers\n"); 660 661 /* for debugging source address selection */ 662 #define PRINT_SCOPESTAT(s,i) do {\ 663 switch(i) { /* XXX hardcoding in each case */\ 664 case 1:\ 665 p(s, "\t\t%llu node-local%s\n");\ 666 break;\ 667 case 2:\ 668 p(s, "\t\t%llu link-local%s\n");\ 669 break;\ 670 case 5:\ 671 p(s, "\t\t%llu site-local%s\n");\ 672 break;\ 673 case 14:\ 674 p(s, "\t\t%llu global%s\n");\ 675 break;\ 676 default:\ 677 printf("\t\t%llu addresses scope=%x\n",\ 678 (unsigned long long)ip6stat[s], i);\ 679 }\ 680 } while(/*CONSTCOND*/0); 681 682 p(IP6_STAT_SOURCES_NONE, 683 "\t%llu failure%s of source address selection\n"); 684 for (first = 1, i = 0; i < 16; i++) { 685 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 686 if (first) { 687 printf("\tsource addresses on an outgoing I/F\n"); 688 first = 0; 689 } 690 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 691 } 692 } 693 for (first = 1, i = 0; i < 16; i++) { 694 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 695 if (first) { 696 printf("\tsource addresses on a non-outgoing I/F\n"); 697 first = 0; 698 } 699 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 700 } 701 } 702 for (first = 1, i = 0; i < 16; i++) { 703 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 704 if (first) { 705 printf("\tsource addresses of same scope\n"); 706 first = 0; 707 } 708 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 709 } 710 } 711 for (first = 1, i = 0; i < 16; i++) { 712 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 713 if (first) { 714 printf("\tsource addresses of a different scope\n"); 715 first = 0; 716 } 717 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 718 } 719 } 720 for (first = 1, i = 0; i < 16; i++) { 721 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 722 if (first) { 723 printf("\tdeprecated source addresses\n"); 724 first = 0; 725 } 726 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 727 } 728 } 729 730 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 731 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 732 #undef p 733 #undef p1 734 } 735 736 /* 737 * Dump IPv6 per-interface statistics based on RFC 2465. 738 */ 739 void 740 ip6_ifstats(char *ifname) 741 { 742 struct in6_ifreq ifr; 743 int s; 744 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 745 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 746 plural(ifr.ifr_ifru.ifru_stat.f)) 747 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 748 printf(m, (unsigned long long)ip6stat.f) 749 750 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 751 perror("Warning: socket(AF_INET6)"); 752 return; 753 } 754 755 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 756 printf("ip6 on %s:\n", ifname); 757 758 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 759 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 760 goto end; 761 } 762 763 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 764 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 765 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 766 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 767 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 768 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 769 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 770 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 771 p(ifs6_in_deliver, 772 "\t%llu datagram%s delivered to an upper layer protocol\n"); 773 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 774 p(ifs6_out_request, 775 "\t%llu datagram%s sent from an upper layer protocol\n"); 776 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 777 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 778 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 779 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 780 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 781 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 782 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 783 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 784 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 785 786 end: 787 close(s); 788 789 #undef p 790 #undef p_5 791 } 792 793 static const char *icmp6names[] = { 794 "#0", 795 "unreach", 796 "packet too big", 797 "time exceed", 798 "parameter problem", 799 "#5", 800 "#6", 801 "#7", 802 "#8", 803 "#9", 804 "#10", 805 "#11", 806 "#12", 807 "#13", 808 "#14", 809 "#15", 810 "#16", 811 "#17", 812 "#18", 813 "#19", 814 "#20", 815 "#21", 816 "#22", 817 "#23", 818 "#24", 819 "#25", 820 "#26", 821 "#27", 822 "#28", 823 "#29", 824 "#30", 825 "#31", 826 "#32", 827 "#33", 828 "#34", 829 "#35", 830 "#36", 831 "#37", 832 "#38", 833 "#39", 834 "#40", 835 "#41", 836 "#42", 837 "#43", 838 "#44", 839 "#45", 840 "#46", 841 "#47", 842 "#48", 843 "#49", 844 "#50", 845 "#51", 846 "#52", 847 "#53", 848 "#54", 849 "#55", 850 "#56", 851 "#57", 852 "#58", 853 "#59", 854 "#60", 855 "#61", 856 "#62", 857 "#63", 858 "#64", 859 "#65", 860 "#66", 861 "#67", 862 "#68", 863 "#69", 864 "#70", 865 "#71", 866 "#72", 867 "#73", 868 "#74", 869 "#75", 870 "#76", 871 "#77", 872 "#78", 873 "#79", 874 "#80", 875 "#81", 876 "#82", 877 "#83", 878 "#84", 879 "#85", 880 "#86", 881 "#87", 882 "#88", 883 "#89", 884 "#80", 885 "#91", 886 "#92", 887 "#93", 888 "#94", 889 "#95", 890 "#96", 891 "#97", 892 "#98", 893 "#99", 894 "#100", 895 "#101", 896 "#102", 897 "#103", 898 "#104", 899 "#105", 900 "#106", 901 "#107", 902 "#108", 903 "#109", 904 "#110", 905 "#111", 906 "#112", 907 "#113", 908 "#114", 909 "#115", 910 "#116", 911 "#117", 912 "#118", 913 "#119", 914 "#120", 915 "#121", 916 "#122", 917 "#123", 918 "#124", 919 "#125", 920 "#126", 921 "#127", 922 "echo", 923 "echo reply", 924 "multicast listener query", 925 "multicast listener report", 926 "multicast listener done", 927 "router solicitation", 928 "router advertisement", 929 "neighbor solicitation", 930 "neighbor advertisement", 931 "redirect", 932 "router renumbering", 933 "node information request", 934 "node information reply", 935 "#141", 936 "#142", 937 "#143", 938 "#144", 939 "#145", 940 "#146", 941 "#147", 942 "#148", 943 "#149", 944 "#150", 945 "#151", 946 "#152", 947 "#153", 948 "#154", 949 "#155", 950 "#156", 951 "#157", 952 "#158", 953 "#159", 954 "#160", 955 "#161", 956 "#162", 957 "#163", 958 "#164", 959 "#165", 960 "#166", 961 "#167", 962 "#168", 963 "#169", 964 "#170", 965 "#171", 966 "#172", 967 "#173", 968 "#174", 969 "#175", 970 "#176", 971 "#177", 972 "#178", 973 "#179", 974 "#180", 975 "#181", 976 "#182", 977 "#183", 978 "#184", 979 "#185", 980 "#186", 981 "#187", 982 "#188", 983 "#189", 984 "#180", 985 "#191", 986 "#192", 987 "#193", 988 "#194", 989 "#195", 990 "#196", 991 "#197", 992 "#198", 993 "#199", 994 "#200", 995 "#201", 996 "#202", 997 "#203", 998 "#204", 999 "#205", 1000 "#206", 1001 "#207", 1002 "#208", 1003 "#209", 1004 "#210", 1005 "#211", 1006 "#212", 1007 "#213", 1008 "#214", 1009 "#215", 1010 "#216", 1011 "#217", 1012 "#218", 1013 "#219", 1014 "#220", 1015 "#221", 1016 "#222", 1017 "#223", 1018 "#224", 1019 "#225", 1020 "#226", 1021 "#227", 1022 "#228", 1023 "#229", 1024 "#230", 1025 "#231", 1026 "#232", 1027 "#233", 1028 "#234", 1029 "#235", 1030 "#236", 1031 "#237", 1032 "#238", 1033 "#239", 1034 "#240", 1035 "#241", 1036 "#242", 1037 "#243", 1038 "#244", 1039 "#245", 1040 "#246", 1041 "#247", 1042 "#248", 1043 "#249", 1044 "#250", 1045 "#251", 1046 "#252", 1047 "#253", 1048 "#254", 1049 "#255", 1050 }; 1051 1052 /* 1053 * Dump ICMPv6 statistics. 1054 */ 1055 void 1056 icmp6_stats(u_long off, char *name) 1057 { 1058 uint64_t icmp6stat[ICMP6_NSTATS]; 1059 register int i, first; 1060 1061 if (use_sysctl) { 1062 size_t size = sizeof(icmp6stat); 1063 1064 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1065 NULL, 0) == -1) 1066 return; 1067 } else { 1068 warnx("%s stats not available via KVM.", name); 1069 return; 1070 } 1071 1072 printf("%s:\n", name); 1073 1074 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1075 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1076 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1077 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1078 1079 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1080 p(ICMP6_STAT_CANTERROR, 1081 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1082 p(ICMP6_STAT_TOOFREQ, 1083 "\t%llu error%s not generated because of rate limitation\n"); 1084 for (first = 1, i = 0; i < 256; i++) 1085 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1086 if (first) { 1087 printf("\tOutput packet histogram:\n"); 1088 first = 0; 1089 } 1090 printf("\t\t%s: %llu\n", icmp6names[i], 1091 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1092 } 1093 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1094 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1095 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1096 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1097 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1098 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1099 if (first) { 1100 printf("\tInput packet histogram:\n"); 1101 first = 0; 1102 } 1103 printf("\t\t%s: %llu\n", icmp6names[i], 1104 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1105 } 1106 printf("\tHistogram of error messages to be generated:\n"); 1107 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1108 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1109 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1110 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1111 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1112 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1113 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1114 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1115 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1116 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1117 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1118 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1119 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1120 1121 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1122 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1123 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1124 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1125 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1126 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1127 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1128 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1129 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1130 #undef p 1131 #undef p_oerr 1132 } 1133 1134 /* 1135 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1136 */ 1137 void 1138 icmp6_ifstats(char *ifname) 1139 { 1140 struct in6_ifreq ifr; 1141 int s; 1142 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1143 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1144 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1145 1146 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1147 perror("Warning: socket(AF_INET6)"); 1148 return; 1149 } 1150 1151 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1152 printf("icmp6 on %s:\n", ifname); 1153 1154 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1155 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1156 goto end; 1157 } 1158 1159 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1160 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1161 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1162 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1163 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1164 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1165 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1166 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1167 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1168 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1169 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1170 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1171 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1172 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1173 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1174 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1175 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1176 1177 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1178 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1179 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1180 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1181 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1182 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1183 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1184 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1185 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1186 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1187 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1188 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1189 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1190 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1191 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1192 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1193 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1194 1195 end: 1196 close(s); 1197 #undef p 1198 } 1199 1200 /* 1201 * Dump PIM statistics structure. 1202 */ 1203 void 1204 pim6_stats(u_long off, char *name) 1205 { 1206 uint64_t pim6stat[PIM6_NSTATS]; 1207 1208 if (use_sysctl) { 1209 size_t size = sizeof(pim6stat); 1210 1211 if (sysctlbyname("net.inet6.pim6.stats", pim6stat, &size, 1212 NULL, 0) == -1) 1213 return; 1214 } else { 1215 warnx("%s stats not available via KVM.", name); 1216 return; 1217 } 1218 printf("%s:\n", name); 1219 1220 #define p(f, m) if (pim6stat[f] || sflag <= 1) \ 1221 printf(m, (unsigned long long)pim6stat[f], plural(pim6stat[f])) 1222 p(PIM6_STAT_RCV_TOTAL, "\t%llu message%s received\n"); 1223 p(PIM6_STAT_RCV_TOOSHORT, "\t%llu message%s received with too few bytes\n"); 1224 p(PIM6_STAT_RCV_BADSUM, "\t%llu message%s received with bad checksum\n"); 1225 p(PIM6_STAT_RCV_BADVERSION, "\t%llu message%s received with bad version\n"); 1226 p(PIM6_STAT_RCV_REGISTERS, "\t%llu register%s received\n"); 1227 p(PIM6_STAT_RCV_BADREGISTERS, "\t%llu bad register%s received\n"); 1228 p(PIM6_STAT_SND_REGISTERS, "\t%llu register%s sent\n"); 1229 #undef p 1230 } 1231 1232 /* 1233 * Dump raw ip6 statistics structure. 1234 */ 1235 void 1236 rip6_stats(u_long off, char *name) 1237 { 1238 uint64_t rip6stat[RIP6_NSTATS]; 1239 u_quad_t delivered; 1240 1241 if (use_sysctl) { 1242 size_t size = sizeof(rip6stat); 1243 1244 if (sysctlbyname("net.inet6.raw6.stats", rip6stat, &size, 1245 NULL, 0) == -1) 1246 return; 1247 } else { 1248 warnx("%s stats not available via KVM.", name); 1249 return; 1250 } 1251 printf("%s:\n", name); 1252 1253 #define p(f, m) if (rip6stat[f] || sflag <= 1) \ 1254 printf(m, (unsigned long long)rip6stat[f], plural(rip6stat[f])) 1255 p(RIP6_STAT_IPACKETS, "\t%llu message%s received\n"); 1256 p(RIP6_STAT_ISUM, "\t%llu checksum calculation%s on inbound\n"); 1257 p(RIP6_STAT_BADSUM, "\t%llu message%s with bad checksum\n"); 1258 p(RIP6_STAT_NOSOCK, "\t%llu message%s dropped due to no socket\n"); 1259 p(RIP6_STAT_NOSOCKMCAST, 1260 "\t%llu multicast message%s dropped due to no socket\n"); 1261 p(RIP6_STAT_FULLSOCK, 1262 "\t%llu message%s dropped due to full socket buffers\n"); 1263 delivered = rip6stat[RIP6_STAT_IPACKETS] - 1264 rip6stat[RIP6_STAT_BADSUM] - 1265 rip6stat[RIP6_STAT_NOSOCK] - 1266 rip6stat[RIP6_STAT_NOSOCKMCAST] - 1267 rip6stat[RIP6_STAT_FULLSOCK]; 1268 if (delivered || sflag <= 1) 1269 printf("\t%llu delivered\n", (unsigned long long)delivered); 1270 p(RIP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 1271 #undef p 1272 } 1273 1274 /* 1275 * Pretty print an Internet address (net address + port). 1276 * Take numeric_addr and numeric_port into consideration. 1277 */ 1278 void 1279 inet6print(struct in6_addr *in6, int port, char *proto) 1280 { 1281 #define GETSERVBYPORT6(port, proto, ret)\ 1282 do {\ 1283 if (strcmp((proto), "tcp6") == 0)\ 1284 (ret) = getservbyport((int)(port), "tcp");\ 1285 else if (strcmp((proto), "udp6") == 0)\ 1286 (ret) = getservbyport((int)(port), "udp");\ 1287 else\ 1288 (ret) = getservbyport((int)(port), (proto));\ 1289 } while (0) 1290 struct servent *sp = 0; 1291 char line[80], *cp; 1292 int width; 1293 1294 width = Aflag ? 12 : 16; 1295 if (vflag && width < strlen(inet6name(in6))) 1296 width = strlen(inet6name(in6)); 1297 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1298 cp = strchr(line, '\0'); 1299 if (!numeric_port && port) 1300 GETSERVBYPORT6(port, proto, sp); 1301 if (sp || port == 0) 1302 snprintf(cp, sizeof(line) - (cp - line), 1303 "%s", sp ? sp->s_name : "*"); 1304 else 1305 snprintf(cp, sizeof(line) - (cp - line), 1306 "%d", ntohs((u_short)port)); 1307 width = Aflag ? 18 : 22; 1308 if (vflag && width < strlen(line)) 1309 width = strlen(line); 1310 printf(" %-*.*s", width, width, line); 1311 } 1312 1313 /* 1314 * Construct an Internet address representation. 1315 * If the numeric_addr has been supplied, give 1316 * numeric value, otherwise try for symbolic name. 1317 */ 1318 1319 char * 1320 inet6name(struct in6_addr *in6p) 1321 { 1322 register char *cp; 1323 static char line[NI_MAXHOST]; 1324 struct hostent *hp; 1325 static char domain[MAXHOSTNAMELEN + 1]; 1326 static int first = 1; 1327 char hbuf[NI_MAXHOST]; 1328 struct sockaddr_in6 sin6; 1329 const int niflag = NI_NUMERICHOST; 1330 1331 if (first && !numeric_addr) { 1332 first = 0; 1333 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1334 (cp = strchr(domain, '.'))) 1335 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1336 else 1337 domain[0] = 0; 1338 } 1339 cp = 0; 1340 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1341 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1342 if (hp) { 1343 if ((cp = strchr(hp->h_name, '.')) && 1344 !strcmp(cp + 1, domain)) 1345 *cp = 0; 1346 cp = hp->h_name; 1347 } 1348 } 1349 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1350 strlcpy(line, "*", sizeof(line)); 1351 else if (cp) 1352 strlcpy(line, cp, sizeof(line)); 1353 else { 1354 memset(&sin6, 0, sizeof(sin6)); 1355 sin6.sin6_len = sizeof(sin6); 1356 sin6.sin6_family = AF_INET6; 1357 sin6.sin6_addr = *in6p; 1358 #ifdef __KAME__ 1359 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1360 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1361 sin6.sin6_scope_id = 1362 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1363 sin6.sin6_addr.s6_addr[2] = 0; 1364 sin6.sin6_addr.s6_addr[3] = 0; 1365 } 1366 #endif 1367 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1368 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1369 strlcpy(hbuf, "?", sizeof(hbuf)); 1370 strlcpy(line, hbuf, sizeof(line)); 1371 } 1372 return (line); 1373 } 1374 1375 #ifdef TCP6 1376 /* 1377 * Dump the contents of a TCP6 PCB. 1378 */ 1379 void 1380 tcp6_dump(u_long pcbaddr) 1381 u_long pcbaddr; 1382 { 1383 struct tcp6cb tcp6cb; 1384 int i; 1385 1386 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1387 1388 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1389 1390 printf("Timers:\n"); 1391 for (i = 0; i < TCP6T_NTIMERS; i++) 1392 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1393 printf("\n\n"); 1394 1395 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1396 printf("State: %d", tcp6cb.t_state); 1397 else 1398 printf("State: %s", tcp6states[tcp6cb.t_state]); 1399 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1400 (u_long)tcp6cb.t_in6pcb); 1401 1402 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1403 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1404 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1405 tcp6cb.t_maxseg, tcp6cb.t_force); 1406 1407 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1408 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1409 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1410 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1411 (unsigned long long)tcp6cb.snd_wnd); 1412 1413 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1414 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1415 tcp6cb.rcv_up, tcp6cb.irs); 1416 1417 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1418 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1419 (unsigned long long)tcp6cb.snd_ssthresh); 1420 1421 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1422 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1423 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1424 (unsigned long long)tcp6cb.max_sndwnd); 1425 1426 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1427 tcp6cb.t_iobc, tcp6cb.t_softerror); 1428 1429 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1430 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1431 tcp6cb.requested_s_scale); 1432 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1433 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1434 } 1435 #endif 1436 1437 #endif /*INET6*/ 1438