inet6.c revision 1.44
1 /* $NetBSD: inet6.c,v 1.44 2008/04/08 15:04:35 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 1.44 2008/04/08 15:04:35 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 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(off, name) 579 u_long off; 580 char *name; 581 { 582 struct ip6stat ip6stat; 583 int first, i; 584 struct protoent *ep; 585 const char *n; 586 587 if (use_sysctl) { 588 size_t size = sizeof(ip6stat); 589 590 if (sysctlbyname("net.inet6.ip6.stats", &ip6stat, &size, 591 NULL, 0) == -1) 592 err(1, "net.inet6.ip6.stats"); 593 } else { 594 if (off == 0) 595 return; 596 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 597 } 598 printf("%s:\n", name); 599 600 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 601 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 602 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 603 printf(m, (unsigned long long)ip6stat.f) 604 605 p(ip6s_total, "\t%llu total packet%s received\n"); 606 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 607 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 608 p1(ip6s_badoptions, "\t%llu with bad options\n"); 609 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 610 p(ip6s_fragments, "\t%llu fragment%s received\n"); 611 p(ip6s_fragdropped, 612 "\t%llu fragment%s dropped (dup or out of space)\n"); 613 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 614 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 615 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 616 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 617 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 618 p(ip6s_fastforward, "\t%llu packet%s fast forwarded\n"); 619 p1(ip6s_fastforwardflows, "\t%llu fast forward flows\n"); 620 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 621 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 622 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 623 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 624 p(ip6s_odropped, 625 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 626 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 627 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 628 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 629 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 630 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 631 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 632 for (first = 1, i = 0; i < 256; i++) 633 if (ip6stat.ip6s_nxthist[i] != 0) { 634 if (first) { 635 printf("\tInput packet histogram:\n"); 636 first = 0; 637 } 638 n = NULL; 639 if (ip6nh[i]) 640 n = ip6nh[i]; 641 else if ((ep = getprotobynumber(i)) != NULL) 642 n = ep->p_name; 643 if (n) 644 printf("\t\t%s: %llu\n", n, 645 (unsigned long long)ip6stat.ip6s_nxthist[i]); 646 else 647 printf("\t\t#%d: %llu\n", i, 648 (unsigned long long)ip6stat.ip6s_nxthist[i]); 649 } 650 printf("\tMbuf statistics:\n"); 651 p(ip6s_m1, "\t\t%llu one mbuf%s\n"); 652 for (first = 1, i = 0; i < 32; i++) { 653 char ifbuf[IFNAMSIZ]; 654 if (ip6stat.ip6s_m2m[i] != 0) { 655 if (first) { 656 printf("\t\ttwo or more mbuf:\n"); 657 first = 0; 658 } 659 printf("\t\t\t%s = %llu\n", 660 if_indextoname(i, ifbuf), 661 (unsigned long long)ip6stat.ip6s_m2m[i]); 662 } 663 } 664 p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); 665 p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); 666 p(ip6s_exthdrtoolong, 667 "\t%llu packet%s whose headers are not continuous\n"); 668 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 669 p(ip6s_toomanyhdr, 670 "\t%llu packet%s discarded due to too many headers\n"); 671 672 /* for debugging source address selection */ 673 #define PRINT_SCOPESTAT(s,i) do {\ 674 switch(i) { /* XXX hardcoding in each case */\ 675 case 1:\ 676 p(s, "\t\t%llu node-local%s\n");\ 677 break;\ 678 case 2:\ 679 p(s, "\t\t%llu link-local%s\n");\ 680 break;\ 681 case 5:\ 682 p(s, "\t\t%llu site-local%s\n");\ 683 break;\ 684 case 14:\ 685 p(s, "\t\t%llu global%s\n");\ 686 break;\ 687 default:\ 688 printf("\t\t%llu addresses scope=%x\n",\ 689 (unsigned long long)ip6stat.s, i);\ 690 }\ 691 } while(0); 692 693 p(ip6s_sources_none, 694 "\t%llu failure%s of source address selection\n"); 695 for (first = 1, i = 0; i < 16; i++) { 696 if (ip6stat.ip6s_sources_sameif[i]) { 697 if (first) { 698 printf("\tsource addresses on an outgoing I/F\n"); 699 first = 0; 700 } 701 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 702 } 703 } 704 for (first = 1, i = 0; i < 16; i++) { 705 if (ip6stat.ip6s_sources_otherif[i]) { 706 if (first) { 707 printf("\tsource addresses on a non-outgoing I/F\n"); 708 first = 0; 709 } 710 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 711 } 712 } 713 for (first = 1, i = 0; i < 16; i++) { 714 if (ip6stat.ip6s_sources_samescope[i]) { 715 if (first) { 716 printf("\tsource addresses of same scope\n"); 717 first = 0; 718 } 719 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 720 } 721 } 722 for (first = 1, i = 0; i < 16; i++) { 723 if (ip6stat.ip6s_sources_otherscope[i]) { 724 if (first) { 725 printf("\tsource addresses of a different scope\n"); 726 first = 0; 727 } 728 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 729 } 730 } 731 for (first = 1, i = 0; i < 16; i++) { 732 if (ip6stat.ip6s_sources_deprecated[i]) { 733 if (first) { 734 printf("\tdeprecated source addresses\n"); 735 first = 0; 736 } 737 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 738 } 739 } 740 741 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 742 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 743 #undef p 744 #undef p1 745 } 746 747 /* 748 * Dump IPv6 per-interface statistics based on RFC 2465. 749 */ 750 void 751 ip6_ifstats(ifname) 752 char *ifname; 753 { 754 struct in6_ifreq ifr; 755 int s; 756 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 757 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 758 plural(ifr.ifr_ifru.ifru_stat.f)) 759 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 760 printf(m, (unsigned long long)ip6stat.f) 761 762 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 763 perror("Warning: socket(AF_INET6)"); 764 return; 765 } 766 767 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 768 printf("ip6 on %s:\n", ifname); 769 770 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 771 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 772 goto end; 773 } 774 775 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 776 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 777 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 778 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 779 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 780 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 781 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 782 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 783 p(ifs6_in_deliver, 784 "\t%llu datagram%s delivered to an upper layer protocol\n"); 785 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 786 p(ifs6_out_request, 787 "\t%llu datagram%s sent from an upper layer protocol\n"); 788 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 789 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 790 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 791 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 792 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 793 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 794 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 795 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 796 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 797 798 end: 799 close(s); 800 801 #undef p 802 #undef p_5 803 } 804 805 static const char *icmp6names[] = { 806 "#0", 807 "unreach", 808 "packet too big", 809 "time exceed", 810 "parameter problem", 811 "#5", 812 "#6", 813 "#7", 814 "#8", 815 "#9", 816 "#10", 817 "#11", 818 "#12", 819 "#13", 820 "#14", 821 "#15", 822 "#16", 823 "#17", 824 "#18", 825 "#19", 826 "#20", 827 "#21", 828 "#22", 829 "#23", 830 "#24", 831 "#25", 832 "#26", 833 "#27", 834 "#28", 835 "#29", 836 "#30", 837 "#31", 838 "#32", 839 "#33", 840 "#34", 841 "#35", 842 "#36", 843 "#37", 844 "#38", 845 "#39", 846 "#40", 847 "#41", 848 "#42", 849 "#43", 850 "#44", 851 "#45", 852 "#46", 853 "#47", 854 "#48", 855 "#49", 856 "#50", 857 "#51", 858 "#52", 859 "#53", 860 "#54", 861 "#55", 862 "#56", 863 "#57", 864 "#58", 865 "#59", 866 "#60", 867 "#61", 868 "#62", 869 "#63", 870 "#64", 871 "#65", 872 "#66", 873 "#67", 874 "#68", 875 "#69", 876 "#70", 877 "#71", 878 "#72", 879 "#73", 880 "#74", 881 "#75", 882 "#76", 883 "#77", 884 "#78", 885 "#79", 886 "#80", 887 "#81", 888 "#82", 889 "#83", 890 "#84", 891 "#85", 892 "#86", 893 "#87", 894 "#88", 895 "#89", 896 "#80", 897 "#91", 898 "#92", 899 "#93", 900 "#94", 901 "#95", 902 "#96", 903 "#97", 904 "#98", 905 "#99", 906 "#100", 907 "#101", 908 "#102", 909 "#103", 910 "#104", 911 "#105", 912 "#106", 913 "#107", 914 "#108", 915 "#109", 916 "#110", 917 "#111", 918 "#112", 919 "#113", 920 "#114", 921 "#115", 922 "#116", 923 "#117", 924 "#118", 925 "#119", 926 "#120", 927 "#121", 928 "#122", 929 "#123", 930 "#124", 931 "#125", 932 "#126", 933 "#127", 934 "echo", 935 "echo reply", 936 "multicast listener query", 937 "multicast listener report", 938 "multicast listener done", 939 "router solicitation", 940 "router advertisement", 941 "neighbor solicitation", 942 "neighbor advertisement", 943 "redirect", 944 "router renumbering", 945 "node information request", 946 "node information reply", 947 "#141", 948 "#142", 949 "#143", 950 "#144", 951 "#145", 952 "#146", 953 "#147", 954 "#148", 955 "#149", 956 "#150", 957 "#151", 958 "#152", 959 "#153", 960 "#154", 961 "#155", 962 "#156", 963 "#157", 964 "#158", 965 "#159", 966 "#160", 967 "#161", 968 "#162", 969 "#163", 970 "#164", 971 "#165", 972 "#166", 973 "#167", 974 "#168", 975 "#169", 976 "#170", 977 "#171", 978 "#172", 979 "#173", 980 "#174", 981 "#175", 982 "#176", 983 "#177", 984 "#178", 985 "#179", 986 "#180", 987 "#181", 988 "#182", 989 "#183", 990 "#184", 991 "#185", 992 "#186", 993 "#187", 994 "#188", 995 "#189", 996 "#180", 997 "#191", 998 "#192", 999 "#193", 1000 "#194", 1001 "#195", 1002 "#196", 1003 "#197", 1004 "#198", 1005 "#199", 1006 "#200", 1007 "#201", 1008 "#202", 1009 "#203", 1010 "#204", 1011 "#205", 1012 "#206", 1013 "#207", 1014 "#208", 1015 "#209", 1016 "#210", 1017 "#211", 1018 "#212", 1019 "#213", 1020 "#214", 1021 "#215", 1022 "#216", 1023 "#217", 1024 "#218", 1025 "#219", 1026 "#220", 1027 "#221", 1028 "#222", 1029 "#223", 1030 "#224", 1031 "#225", 1032 "#226", 1033 "#227", 1034 "#228", 1035 "#229", 1036 "#230", 1037 "#231", 1038 "#232", 1039 "#233", 1040 "#234", 1041 "#235", 1042 "#236", 1043 "#237", 1044 "#238", 1045 "#239", 1046 "#240", 1047 "#241", 1048 "#242", 1049 "#243", 1050 "#244", 1051 "#245", 1052 "#246", 1053 "#247", 1054 "#248", 1055 "#249", 1056 "#250", 1057 "#251", 1058 "#252", 1059 "#253", 1060 "#254", 1061 "#255", 1062 }; 1063 1064 /* 1065 * Dump ICMPv6 statistics. 1066 */ 1067 void 1068 icmp6_stats(u_long off, char *name) 1069 { 1070 uint64_t icmp6stat[ICMP6_NSTATS]; 1071 register int i, first; 1072 1073 if (use_sysctl) { 1074 size_t size = sizeof(icmp6stat); 1075 1076 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1077 NULL, 0) == -1) 1078 err(1, "net.inet6.icmp6.stats"); 1079 } else { 1080 if (off == 0) 1081 return; 1082 kread(off, (char *)icmp6stat, sizeof (icmp6stat)); 1083 } 1084 1085 printf("%s:\n", name); 1086 1087 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1088 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1089 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1090 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1091 1092 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1093 p(ICMP6_STAT_CANTERROR, 1094 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1095 p(ICMP6_STAT_TOOFREQ, 1096 "\t%llu error%s not generated because of rate limitation\n"); 1097 for (first = 1, i = 0; i < 256; i++) 1098 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1099 if (first) { 1100 printf("\tOutput packet histogram:\n"); 1101 first = 0; 1102 } 1103 printf("\t\t%s: %llu\n", icmp6names[i], 1104 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1105 } 1106 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1107 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1108 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1109 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1110 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1111 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1112 if (first) { 1113 printf("\tInput packet histogram:\n"); 1114 first = 0; 1115 } 1116 printf("\t\t%s: %llu\n", icmp6names[i], 1117 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1118 } 1119 printf("\tHistogram of error messages to be generated:\n"); 1120 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1121 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1122 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1123 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1124 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1125 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1126 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1127 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1128 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1129 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1130 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1131 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1132 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1133 1134 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1135 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1136 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1137 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1138 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1139 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1140 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1141 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1142 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1143 #undef p 1144 #undef p_oerr 1145 } 1146 1147 /* 1148 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1149 */ 1150 void 1151 icmp6_ifstats(ifname) 1152 char *ifname; 1153 { 1154 struct in6_ifreq ifr; 1155 int s; 1156 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1157 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1158 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1159 1160 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1161 perror("Warning: socket(AF_INET6)"); 1162 return; 1163 } 1164 1165 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1166 printf("icmp6 on %s:\n", ifname); 1167 1168 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1169 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1170 goto end; 1171 } 1172 1173 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1174 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1175 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1176 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1177 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1178 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1179 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1180 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1181 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1182 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1183 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1184 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1185 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1186 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1187 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1188 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1189 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1190 1191 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1192 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1193 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1194 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1195 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1196 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1197 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1198 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1199 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1200 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1201 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1202 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1203 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1204 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1205 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1206 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1207 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1208 1209 end: 1210 close(s); 1211 #undef p 1212 } 1213 1214 /* 1215 * Dump PIM statistics structure. 1216 */ 1217 void 1218 pim6_stats(off, name) 1219 u_long off; 1220 char *name; 1221 { 1222 struct pim6stat pim6stat; 1223 1224 if (use_sysctl) { 1225 size_t size = sizeof(pim6stat); 1226 1227 if (sysctlbyname("net.inet6.pim6.stats", &pim6stat, &size, 1228 NULL, 0) == -1) 1229 err(1, "net.inet6.pim6.stats"); 1230 } else { 1231 if (off == 0) 1232 return; 1233 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1234 } 1235 printf("%s:\n", name); 1236 1237 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1238 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1239 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1240 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1241 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1242 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1243 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1244 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1245 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1246 #undef p 1247 } 1248 1249 /* 1250 * Dump raw ip6 statistics structure. 1251 */ 1252 void 1253 rip6_stats(off, name) 1254 u_long off; 1255 char *name; 1256 { 1257 struct rip6stat rip6stat; 1258 u_quad_t delivered; 1259 1260 if (use_sysctl) { 1261 size_t size = sizeof(rip6stat); 1262 1263 if (sysctlbyname("net.inet6.raw6.stats", &rip6stat, &size, 1264 NULL, 0) == -1) 1265 err(1, "net.inet6.raw6.stats"); 1266 } else { 1267 if (off == 0) 1268 return; 1269 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 1270 } 1271 printf("%s:\n", name); 1272 1273 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1274 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1275 p(rip6s_ipackets, "\t%llu message%s received\n"); 1276 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1277 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1278 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1279 p(rip6s_nosockmcast, 1280 "\t%llu multicast message%s dropped due to no socket\n"); 1281 p(rip6s_fullsock, 1282 "\t%llu message%s dropped due to full socket buffers\n"); 1283 delivered = rip6stat.rip6s_ipackets - 1284 rip6stat.rip6s_badsum - 1285 rip6stat.rip6s_nosock - 1286 rip6stat.rip6s_nosockmcast - 1287 rip6stat.rip6s_fullsock; 1288 if (delivered || sflag <= 1) 1289 printf("\t%llu delivered\n", (unsigned long long)delivered); 1290 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1291 #undef p 1292 } 1293 1294 /* 1295 * Pretty print an Internet address (net address + port). 1296 * Take numeric_addr and numeric_port into consideration. 1297 */ 1298 void 1299 inet6print(in6, port, proto) 1300 register struct in6_addr *in6; 1301 int port; 1302 char *proto; 1303 { 1304 #define GETSERVBYPORT6(port, proto, ret)\ 1305 do {\ 1306 if (strcmp((proto), "tcp6") == 0)\ 1307 (ret) = getservbyport((int)(port), "tcp");\ 1308 else if (strcmp((proto), "udp6") == 0)\ 1309 (ret) = getservbyport((int)(port), "udp");\ 1310 else\ 1311 (ret) = getservbyport((int)(port), (proto));\ 1312 } while (0) 1313 struct servent *sp = 0; 1314 char line[80], *cp; 1315 int width; 1316 1317 width = Aflag ? 12 : 16; 1318 if (vflag && width < strlen(inet6name(in6))) 1319 width = strlen(inet6name(in6)); 1320 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1321 cp = strchr(line, '\0'); 1322 if (!numeric_port && port) 1323 GETSERVBYPORT6(port, proto, sp); 1324 if (sp || port == 0) 1325 snprintf(cp, sizeof(line) - (cp - line), 1326 "%s", sp ? sp->s_name : "*"); 1327 else 1328 snprintf(cp, sizeof(line) - (cp - line), 1329 "%d", ntohs((u_short)port)); 1330 width = Aflag ? 18 : 22; 1331 if (vflag && width < strlen(line)) 1332 width = strlen(line); 1333 printf(" %-*.*s", width, width, line); 1334 } 1335 1336 /* 1337 * Construct an Internet address representation. 1338 * If the numeric_addr has been supplied, give 1339 * numeric value, otherwise try for symbolic name. 1340 */ 1341 1342 char * 1343 inet6name(in6p) 1344 struct in6_addr *in6p; 1345 { 1346 register char *cp; 1347 static char line[NI_MAXHOST]; 1348 struct hostent *hp; 1349 static char domain[MAXHOSTNAMELEN + 1]; 1350 static int first = 1; 1351 char hbuf[NI_MAXHOST]; 1352 struct sockaddr_in6 sin6; 1353 const int niflag = NI_NUMERICHOST; 1354 1355 if (first && !numeric_addr) { 1356 first = 0; 1357 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1358 (cp = strchr(domain, '.'))) 1359 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1360 else 1361 domain[0] = 0; 1362 } 1363 cp = 0; 1364 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1365 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1366 if (hp) { 1367 if ((cp = strchr(hp->h_name, '.')) && 1368 !strcmp(cp + 1, domain)) 1369 *cp = 0; 1370 cp = hp->h_name; 1371 } 1372 } 1373 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1374 strlcpy(line, "*", sizeof(line)); 1375 else if (cp) 1376 strlcpy(line, cp, sizeof(line)); 1377 else { 1378 memset(&sin6, 0, sizeof(sin6)); 1379 sin6.sin6_len = sizeof(sin6); 1380 sin6.sin6_family = AF_INET6; 1381 sin6.sin6_addr = *in6p; 1382 #ifdef __KAME__ 1383 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1384 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1385 sin6.sin6_scope_id = 1386 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1387 sin6.sin6_addr.s6_addr[2] = 0; 1388 sin6.sin6_addr.s6_addr[3] = 0; 1389 } 1390 #endif 1391 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1392 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1393 strlcpy(hbuf, "?", sizeof(hbuf)); 1394 strlcpy(line, hbuf, sizeof(line)); 1395 } 1396 return (line); 1397 } 1398 1399 #ifdef TCP6 1400 /* 1401 * Dump the contents of a TCP6 PCB. 1402 */ 1403 void 1404 tcp6_dump(pcbaddr) 1405 u_long pcbaddr; 1406 { 1407 struct tcp6cb tcp6cb; 1408 int i; 1409 1410 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1411 1412 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1413 1414 printf("Timers:\n"); 1415 for (i = 0; i < TCP6T_NTIMERS; i++) 1416 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1417 printf("\n\n"); 1418 1419 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1420 printf("State: %d", tcp6cb.t_state); 1421 else 1422 printf("State: %s", tcp6states[tcp6cb.t_state]); 1423 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1424 (u_long)tcp6cb.t_in6pcb); 1425 1426 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1427 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1428 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1429 tcp6cb.t_maxseg, tcp6cb.t_force); 1430 1431 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1432 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1433 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1434 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1435 (unsigned long long)tcp6cb.snd_wnd); 1436 1437 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1438 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1439 tcp6cb.rcv_up, tcp6cb.irs); 1440 1441 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1442 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1443 (unsigned long long)tcp6cb.snd_ssthresh); 1444 1445 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1446 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1447 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1448 (unsigned long long)tcp6cb.max_sndwnd); 1449 1450 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1451 tcp6cb.t_iobc, tcp6cb.t_softerror); 1452 1453 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1454 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1455 tcp6cb.requested_s_scale); 1456 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1457 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1458 } 1459 #endif 1460 1461 #endif /*INET6*/ 1462
Indexes created Tue Sep 23 22:09:46 GMT 2025