inet6.c revision 1.59
1 /* $NetBSD: inet6.c,v 1.59 2011/05/24 18:07:11 spz 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 1.59 2011/05/24 18:07:11 spz 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 #include <netinet/tcp_vtw.h> 118 119 #include <arpa/inet.h> 120 #if 0 121 #include "gethostbyname2.h" 122 #endif 123 #include <netdb.h> 124 125 #include <err.h> 126 #include <errno.h> 127 #include <kvm.h> 128 #include <stdio.h> 129 #include <stdlib.h> 130 #include <string.h> 131 #include <unistd.h> 132 #include "netstat.h" 133 #include "vtw.h" 134 #include "prog_ops.h" 135 136 #ifdef INET6 137 138 struct in6pcb in6pcb; 139 #ifdef TCP6 140 struct tcp6cb tcp6cb; 141 #else 142 struct tcpcb tcpcb; 143 #endif 144 struct socket sockb; 145 146 char *inet6name(const struct in6_addr *); 147 void inet6print(const struct in6_addr *, int, const char *); 148 void print_vtw_v6(const vtw_t *); 149 150 /* 151 * Print a summary of connections related to an Internet 152 * protocol. For TCP, also give state of connection. 153 * Listening processes (aflag) are suppressed unless the 154 * -a (all) flag is specified. 155 */ 156 static int width; 157 static int compact; 158 159 /* VTW-related variables. */ 160 static struct timeval now; 161 162 static void 163 ip6protoprhdr(void) 164 { 165 166 printf("Active Internet6 connections"); 167 168 if (aflag) 169 printf(" (including servers)"); 170 putchar('\n'); 171 172 if (Aflag) { 173 printf("%-8.8s ", "PCB"); 174 width = 18; 175 } 176 printf( 177 Vflag ? "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %-13.13s Expires\n" 178 : "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 179 "Proto", "Recv-Q", "Send-Q", 180 -width, width, "Local Address", 181 -width, width, "Foreign Address", "(state)"); 182 } 183 184 static void 185 ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, 186 const struct in6_addr *laddr, u_int16_t lport, 187 const struct in6_addr *faddr, u_int16_t fport, 188 short t_state, const char *name, const struct timeval *expires) 189 { 190 static const char *shorttcpstates[] = { 191 "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", 192 "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", 193 "LASTAK", "FWAIT2", "TMWAIT", 194 }; 195 int istcp; 196 197 istcp = strcmp(name, "tcp6") == 0; 198 if (Aflag) 199 printf("%8" PRIxPTR " ", ppcb); 200 201 printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, 202 compact ? "" : " "); 203 204 inet6print(laddr, (int)lport, name); 205 inet6print(faddr, (int)fport, name); 206 if (istcp) { 207 #ifdef TCP6 208 if (t_state < 0 || t_state >= TCP6_NSTATES) 209 printf(" %d", t_state); 210 else 211 printf(" %s", tcp6states[t_state]); 212 #else 213 if (t_state < 0 || t_state >= TCP_NSTATES) 214 printf(" %d", t_state); 215 else 216 printf(" %s", compact ? shorttcpstates[t_state] : 217 tcpstates[t_state]); 218 #endif 219 } 220 if (Vflag && expires != NULL) { 221 if (expires->tv_sec == 0 && expires->tv_usec == -1) 222 printf(" reclaimed"); 223 else { 224 struct timeval delta; 225 226 timersub(expires, &now, &delta); 227 printf(" %.3fms", 228 delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 229 } 230 } 231 putchar('\n'); 232 } 233 234 static void 235 dbg_printf(const char *fmt, ...) 236 { 237 return; 238 } 239 240 void 241 print_vtw_v6(const vtw_t *vtw) 242 { 243 const vtw_v6_t *v6 = (const vtw_v6_t *)vtw; 244 struct timeval delta; 245 char buf[2][128]; 246 static const struct timeval zero = {.tv_sec = 0, .tv_usec = 0}; 247 248 inet_ntop(AF_INET6, &v6->laddr, buf[0], sizeof(buf[0])); 249 inet_ntop(AF_INET6, &v6->faddr, buf[1], sizeof(buf[1])); 250 251 timersub(&vtw->expire, &now, &delta); 252 253 if (vtw->expire.tv_sec == 0 && vtw->expire.tv_usec == -1) { 254 dbg_printf("%15.15s:%d %15.15s:%d reclaimed\n" 255 ,buf[0], ntohs(v6->lport) 256 ,buf[1], ntohs(v6->fport)); 257 if (!(Vflag && vflag)) 258 return; 259 } else if (vtw->expire.tv_sec == 0) 260 return; 261 else if (timercmp(&delta, &zero, <) && !(Vflag && vflag)) { 262 dbg_printf("%15.15s:%d %15.15s:%d expired\n" 263 ,buf[0], ntohs(v6->lport) 264 ,buf[1], ntohs(v6->fport)); 265 return; 266 } else { 267 dbg_printf("%15.15s:%d %15.15s:%d expires in %.3fms\n" 268 ,buf[0], ntohs(v6->lport) 269 ,buf[1], ntohs(v6->fport) 270 ,delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 271 } 272 ip6protopr0(0, 0, 0, 273 &v6->laddr, v6->lport, 274 &v6->faddr, v6->fport, 275 TCPS_TIME_WAIT, "tcp6", &vtw->expire); 276 } 277 278 void 279 ip6protopr(u_long off, const char *name) 280 { 281 struct inpcbtable table; 282 struct in6pcb *head, *prev, *next; 283 int istcp = strcmp(name, "tcp6") == 0; 284 static int first = 1; 285 286 compact = 0; 287 if (Aflag) { 288 if (!numeric_addr) 289 width = 18; 290 else { 291 width = 21; 292 compact = 1; 293 } 294 } else 295 width = 22; 296 297 if (use_sysctl) { 298 struct kinfo_pcb *pcblist; 299 int mib[8]; 300 size_t namelen = 0, size = 0, i; 301 char *mibname = NULL; 302 303 memset(mib, 0, sizeof(mib)); 304 305 if (asprintf(&mibname, "net.inet6.%s.pcblist", name) == -1) 306 err(1, "asprintf"); 307 308 /* get dynamic pcblist node */ 309 if (sysctlnametomib(mibname, mib, &namelen) == -1) { 310 if (errno == ENOENT) 311 return; 312 313 err(1, "sysctlnametomib: %s", mibname); 314 } 315 316 if (prog_sysctl(mib, __arraycount(mib), 317 NULL, &size, NULL, 0) == -1) 318 err(1, "sysctl (query)"); 319 320 if ((pcblist = malloc(size)) == NULL) 321 err(1, "malloc"); 322 memset(pcblist, 0, size); 323 324 mib[6] = sizeof(*pcblist); 325 mib[7] = size / sizeof(*pcblist); 326 327 if (prog_sysctl(mib, __arraycount(mib), pcblist, 328 &size, NULL, 0) == -1) 329 err(1, "sysctl (copy)"); 330 331 for (i = 0; i < size / sizeof(*pcblist); i++) { 332 struct sockaddr_in6 src, dst; 333 334 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 335 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 336 337 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&dst.sin6_addr)) 338 continue; 339 340 if (first) { 341 ip6protoprhdr(); 342 first = 0; 343 } 344 345 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 346 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 347 &src.sin6_addr, src.sin6_port, 348 &dst.sin6_addr, dst.sin6_port, 349 pcblist[i].ki_tstate, name, NULL); 350 } 351 352 free(pcblist); 353 goto end; 354 } 355 356 if (off == 0) 357 return; 358 kread(off, (char *)&table, sizeof (table)); 359 head = prev = 360 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 361 next = (struct in6pcb *)table.inpt_queue.cqh_first; 362 363 while (next != head) { 364 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 365 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 366 printf("???\n"); 367 break; 368 } 369 prev = next; 370 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 371 372 if (in6pcb.in6p_af != AF_INET6) 373 continue; 374 375 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr)) 376 continue; 377 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 378 sizeof (sockb)); 379 if (istcp) { 380 #ifdef TCP6 381 kread((u_long)in6pcb.in6p_ppcb, 382 (char *)&tcp6cb, sizeof (tcp6cb)); 383 #else 384 kread((u_long)in6pcb.in6p_ppcb, 385 (char *)&tcpcb, sizeof (tcpcb)); 386 #endif 387 } 388 if (first) { 389 ip6protoprhdr(); 390 first = 0; 391 } 392 ip6protopr0(istcp ? (intptr_t) in6pcb.in6p_ppcb : 393 (intptr_t) prev, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc, 394 &in6pcb.in6p_laddr, in6pcb.in6p_lport, 395 &in6pcb.in6p_faddr, in6pcb.in6p_fport, 396 tcpcb.t_state, name, NULL); 397 398 } 399 end: 400 if (istcp) { 401 struct timeval t; 402 timebase(&t); 403 gettimeofday(&now, NULL); 404 timersub(&now, &t, &now); 405 show_vtw_v6(print_vtw_v6); 406 } 407 } 408 409 #ifdef TCP6 410 /* 411 * Dump TCP6 statistics structure. 412 */ 413 void 414 tcp6_stats(u_long off, const char *name) 415 { 416 struct tcp6stat tcp6stat; 417 418 if (use_sysctl) { 419 size_t size = sizeof(tcp6stat); 420 421 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 422 NULL, 0) == -1) 423 return; 424 } else { 425 warnx("%s stats not available via KVM.", name); 426 return; 427 } 428 429 printf ("%s:\n", name); 430 431 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 432 printf(m, tcp6stat.f, plural(tcp6stat.f)) 433 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 434 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 435 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 436 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 437 438 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 439 p2(tcp6s_sndpack,tcp6s_sndbyte, 440 "\t\t%ld data packet%s (%ld byte%s)\n"); 441 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 442 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 443 p2(tcp6s_sndacks, tcp6s_delack, 444 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 445 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 446 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 447 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 448 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 449 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 450 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 451 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 452 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 453 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 454 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 455 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 456 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 457 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 458 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 459 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 460 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 461 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 462 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 463 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 464 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 465 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 466 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 467 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 468 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 469 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 470 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 471 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 472 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 473 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 474 p2(tcp6s_closed, tcp6s_drops, 475 "\t%ld connection%s closed (including %ld drop%s)\n"); 476 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 477 p2(tcp6s_rttupdated, tcp6s_segstimed, 478 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 479 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 480 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 481 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 482 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 483 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 484 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 485 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 486 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 487 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 488 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 489 #undef p 490 #undef p2 491 #undef p3 492 } 493 #endif 494 495 /* 496 * Dump UDP6 statistics structure. 497 */ 498 void 499 udp6_stats(u_long off, const char *name) 500 { 501 uint64_t udp6stat[UDP6_NSTATS]; 502 u_quad_t delivered; 503 504 if (use_sysctl) { 505 size_t size = sizeof(udp6stat); 506 507 if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, 508 NULL, 0) == -1) 509 return; 510 } else { 511 warnx("%s stats not available via KVM.", name); 512 return; 513 } 514 printf("%s:\n", name); 515 #define p(f, m) if (udp6stat[f] || sflag <= 1) \ 516 printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) 517 #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ 518 printf(m, (unsigned long long)udp6stat[f]) 519 p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); 520 p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); 521 p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); 522 p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); 523 p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); 524 p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); 525 p(UDP6_STAT_NOPORTMCAST, 526 "\t%llu multicast datagram%s dropped due to no socket\n"); 527 p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); 528 delivered = udp6stat[UDP6_STAT_IPACKETS] - 529 udp6stat[UDP6_STAT_HDROPS] - 530 udp6stat[UDP6_STAT_BADLEN] - 531 udp6stat[UDP6_STAT_BADSUM] - 532 udp6stat[UDP6_STAT_NOPORT] - 533 udp6stat[UDP6_STAT_NOPORTMCAST] - 534 udp6stat[UDP6_STAT_FULLSOCK]; 535 if (delivered || sflag <= 1) 536 printf("\t%llu delivered\n", (unsigned long long)delivered); 537 p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 538 #undef p 539 #undef p1 540 } 541 542 static const char *ip6nh[] = { 543 /*0*/ "hop by hop", 544 "ICMP", 545 "IGMP", 546 NULL, 547 "IP", 548 /*5*/ NULL, 549 "TCP", 550 NULL, 551 NULL, 552 NULL, 553 /*10*/ NULL, NULL, NULL, NULL, NULL, 554 /*15*/ NULL, 555 NULL, 556 "UDP", 557 NULL, 558 NULL, 559 /*20*/ NULL, 560 NULL, 561 "IDP", 562 NULL, 563 NULL, 564 /*25*/ NULL, 565 NULL, 566 NULL, 567 NULL, 568 "TP", 569 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 570 /*40*/ NULL, 571 "IP6", 572 NULL, 573 "routing", 574 "fragment", 575 /*45*/ NULL, NULL, NULL, NULL, NULL, 576 /*50*/ "ESP", 577 "AH", 578 NULL, 579 NULL, 580 NULL, 581 /*55*/ NULL, 582 NULL, 583 NULL, 584 "ICMP6", 585 "no next header", 586 /*60*/ "destination option", 587 NULL, 588 NULL, 589 NULL, 590 NULL, 591 /*65*/ NULL, NULL, NULL, NULL, NULL, 592 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 593 /*80*/ "ISOIP", 594 NULL, 595 NULL, 596 NULL, 597 NULL, 598 NULL, 599 NULL, 600 NULL, 601 NULL, 602 "OSPF", 603 /*90*/ NULL, NULL, NULL, NULL, NULL, 604 /*95*/ NULL, 605 NULL, 606 "Ethernet", 607 NULL, 608 NULL, 609 /*100*/ NULL, 610 NULL, 611 NULL, 612 "PIM", 613 NULL, 614 /*105*/ NULL, NULL, NULL, NULL, NULL, 615 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 616 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 617 /*130*/ NULL, 618 NULL, 619 "SCTP", 620 NULL, 621 NULL, 622 /*135*/ NULL, NULL, NULL, NULL, NULL, 623 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 624 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 625 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 626 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 627 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 628 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 629 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 630 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 631 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 632 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 633 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 634 NULL, NULL, NULL, NULL, NULL, NULL, 635 }; 636 637 /* 638 * Dump IP6 statistics structure. 639 */ 640 void 641 ip6_stats(u_long off, const char *name) 642 { 643 uint64_t ip6stat[IP6_NSTATS]; 644 int first, i; 645 struct protoent *ep; 646 const char *n; 647 648 if (use_sysctl) { 649 size_t size = sizeof(ip6stat); 650 651 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 652 NULL, 0) == -1) 653 return; 654 } else { 655 warnx("%s stats not available via KVM.", name); 656 return; 657 } 658 printf("%s:\n", name); 659 660 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 661 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 662 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 663 printf(m, (unsigned long long)ip6stat[f]) 664 665 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 666 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 667 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 668 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 669 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 670 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 671 p(IP6_STAT_FRAGDROPPED, 672 "\t%llu fragment%s dropped (dup or out of space)\n"); 673 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 674 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 675 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 676 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 677 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 678 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 679 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 680 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 681 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 682 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 683 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 684 p(IP6_STAT_ODROPPED, 685 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 686 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 687 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 688 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 689 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 690 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 691 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 692 for (first = 1, i = 0; i < 256; i++) 693 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 694 if (first) { 695 printf("\tInput packet histogram:\n"); 696 first = 0; 697 } 698 n = NULL; 699 if (ip6nh[i]) 700 n = ip6nh[i]; 701 else if ((ep = getprotobynumber(i)) != NULL) 702 n = ep->p_name; 703 if (n) 704 printf("\t\t%s: %llu\n", n, 705 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 706 else 707 printf("\t\t#%d: %llu\n", i, 708 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 709 } 710 printf("\tMbuf statistics:\n"); 711 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 712 for (first = 1, i = 0; i < 32; i++) { 713 char ifbuf[IFNAMSIZ]; 714 if (ip6stat[IP6_STAT_M2M + i] != 0) { 715 if (first) { 716 printf("\t\ttwo or more mbuf:\n"); 717 first = 0; 718 } 719 printf("\t\t\t%s = %llu\n", 720 if_indextoname(i, ifbuf), 721 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 722 } 723 } 724 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 725 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 726 p(IP6_STAT_EXTHDRTOOLONG, 727 "\t%llu packet%s whose headers are not continuous\n"); 728 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 729 p(IP6_STAT_TOOMANYHDR, 730 "\t%llu packet%s discarded due to too many headers\n"); 731 732 /* for debugging source address selection */ 733 #define PRINT_SCOPESTAT(s,i) do {\ 734 switch(i) { /* XXX hardcoding in each case */\ 735 case 1:\ 736 p(s, "\t\t%llu node-local%s\n");\ 737 break;\ 738 case 2:\ 739 p(s, "\t\t%llu link-local%s\n");\ 740 break;\ 741 case 5:\ 742 p(s, "\t\t%llu site-local%s\n");\ 743 break;\ 744 case 14:\ 745 p(s, "\t\t%llu global%s\n");\ 746 break;\ 747 default:\ 748 printf("\t\t%llu addresses scope=%x\n",\ 749 (unsigned long long)ip6stat[s], i);\ 750 }\ 751 } while(/*CONSTCOND*/0); 752 753 p(IP6_STAT_SOURCES_NONE, 754 "\t%llu failure%s of source address selection\n"); 755 for (first = 1, i = 0; i < 16; i++) { 756 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 757 if (first) { 758 printf("\tsource addresses on an outgoing I/F\n"); 759 first = 0; 760 } 761 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 762 } 763 } 764 for (first = 1, i = 0; i < 16; i++) { 765 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 766 if (first) { 767 printf("\tsource addresses on a non-outgoing I/F\n"); 768 first = 0; 769 } 770 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 771 } 772 } 773 for (first = 1, i = 0; i < 16; i++) { 774 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 775 if (first) { 776 printf("\tsource addresses of same scope\n"); 777 first = 0; 778 } 779 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 780 } 781 } 782 for (first = 1, i = 0; i < 16; i++) { 783 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 784 if (first) { 785 printf("\tsource addresses of a different scope\n"); 786 first = 0; 787 } 788 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 789 } 790 } 791 for (first = 1, i = 0; i < 16; i++) { 792 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 793 if (first) { 794 printf("\tdeprecated source addresses\n"); 795 first = 0; 796 } 797 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 798 } 799 } 800 801 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 802 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 803 #undef p 804 #undef p1 805 } 806 807 /* 808 * Dump IPv6 per-interface statistics based on RFC 2465. 809 */ 810 void 811 ip6_ifstats(const char *ifname) 812 { 813 struct in6_ifreq ifr; 814 int s; 815 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 816 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 817 plural(ifr.ifr_ifru.ifru_stat.f)) 818 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 819 printf(m, (unsigned long long)ip6stat.f) 820 821 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 822 perror("Warning: socket(AF_INET6)"); 823 return; 824 } 825 826 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 827 printf("ip6 on %s:\n", ifname); 828 829 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 830 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 831 goto end; 832 } 833 834 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 835 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 836 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 837 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 838 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 839 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 840 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 841 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 842 p(ifs6_in_deliver, 843 "\t%llu datagram%s delivered to an upper layer protocol\n"); 844 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 845 p(ifs6_out_request, 846 "\t%llu datagram%s sent from an upper layer protocol\n"); 847 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 848 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 849 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 850 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 851 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 852 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 853 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 854 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 855 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 856 857 end: 858 close(s); 859 860 #undef p 861 #undef p_5 862 } 863 864 static const char *icmp6names[] = { 865 "#0", 866 "unreach", 867 "packet too big", 868 "time exceed", 869 "parameter problem", 870 "#5", 871 "#6", 872 "#7", 873 "#8", 874 "#9", 875 "#10", 876 "#11", 877 "#12", 878 "#13", 879 "#14", 880 "#15", 881 "#16", 882 "#17", 883 "#18", 884 "#19", 885 "#20", 886 "#21", 887 "#22", 888 "#23", 889 "#24", 890 "#25", 891 "#26", 892 "#27", 893 "#28", 894 "#29", 895 "#30", 896 "#31", 897 "#32", 898 "#33", 899 "#34", 900 "#35", 901 "#36", 902 "#37", 903 "#38", 904 "#39", 905 "#40", 906 "#41", 907 "#42", 908 "#43", 909 "#44", 910 "#45", 911 "#46", 912 "#47", 913 "#48", 914 "#49", 915 "#50", 916 "#51", 917 "#52", 918 "#53", 919 "#54", 920 "#55", 921 "#56", 922 "#57", 923 "#58", 924 "#59", 925 "#60", 926 "#61", 927 "#62", 928 "#63", 929 "#64", 930 "#65", 931 "#66", 932 "#67", 933 "#68", 934 "#69", 935 "#70", 936 "#71", 937 "#72", 938 "#73", 939 "#74", 940 "#75", 941 "#76", 942 "#77", 943 "#78", 944 "#79", 945 "#80", 946 "#81", 947 "#82", 948 "#83", 949 "#84", 950 "#85", 951 "#86", 952 "#87", 953 "#88", 954 "#89", 955 "#80", 956 "#91", 957 "#92", 958 "#93", 959 "#94", 960 "#95", 961 "#96", 962 "#97", 963 "#98", 964 "#99", 965 "#100", 966 "#101", 967 "#102", 968 "#103", 969 "#104", 970 "#105", 971 "#106", 972 "#107", 973 "#108", 974 "#109", 975 "#110", 976 "#111", 977 "#112", 978 "#113", 979 "#114", 980 "#115", 981 "#116", 982 "#117", 983 "#118", 984 "#119", 985 "#120", 986 "#121", 987 "#122", 988 "#123", 989 "#124", 990 "#125", 991 "#126", 992 "#127", 993 "echo", 994 "echo reply", 995 "multicast listener query", 996 "multicast listener report", 997 "multicast listener done", 998 "router solicitation", 999 "router advertisement", 1000 "neighbor solicitation", 1001 "neighbor advertisement", 1002 "redirect", 1003 "router renumbering", 1004 "node information request", 1005 "node information reply", 1006 "#141", 1007 "#142", 1008 "#143", 1009 "#144", 1010 "#145", 1011 "#146", 1012 "#147", 1013 "#148", 1014 "#149", 1015 "#150", 1016 "#151", 1017 "#152", 1018 "#153", 1019 "#154", 1020 "#155", 1021 "#156", 1022 "#157", 1023 "#158", 1024 "#159", 1025 "#160", 1026 "#161", 1027 "#162", 1028 "#163", 1029 "#164", 1030 "#165", 1031 "#166", 1032 "#167", 1033 "#168", 1034 "#169", 1035 "#170", 1036 "#171", 1037 "#172", 1038 "#173", 1039 "#174", 1040 "#175", 1041 "#176", 1042 "#177", 1043 "#178", 1044 "#179", 1045 "#180", 1046 "#181", 1047 "#182", 1048 "#183", 1049 "#184", 1050 "#185", 1051 "#186", 1052 "#187", 1053 "#188", 1054 "#189", 1055 "#180", 1056 "#191", 1057 "#192", 1058 "#193", 1059 "#194", 1060 "#195", 1061 "#196", 1062 "#197", 1063 "#198", 1064 "#199", 1065 "#200", 1066 "#201", 1067 "#202", 1068 "#203", 1069 "#204", 1070 "#205", 1071 "#206", 1072 "#207", 1073 "#208", 1074 "#209", 1075 "#210", 1076 "#211", 1077 "#212", 1078 "#213", 1079 "#214", 1080 "#215", 1081 "#216", 1082 "#217", 1083 "#218", 1084 "#219", 1085 "#220", 1086 "#221", 1087 "#222", 1088 "#223", 1089 "#224", 1090 "#225", 1091 "#226", 1092 "#227", 1093 "#228", 1094 "#229", 1095 "#230", 1096 "#231", 1097 "#232", 1098 "#233", 1099 "#234", 1100 "#235", 1101 "#236", 1102 "#237", 1103 "#238", 1104 "#239", 1105 "#240", 1106 "#241", 1107 "#242", 1108 "#243", 1109 "#244", 1110 "#245", 1111 "#246", 1112 "#247", 1113 "#248", 1114 "#249", 1115 "#250", 1116 "#251", 1117 "#252", 1118 "#253", 1119 "#254", 1120 "#255", 1121 }; 1122 1123 /* 1124 * Dump ICMPv6 statistics. 1125 */ 1126 void 1127 icmp6_stats(u_long off, const char *name) 1128 { 1129 uint64_t icmp6stat[ICMP6_NSTATS]; 1130 int i, first; 1131 1132 if (use_sysctl) { 1133 size_t size = sizeof(icmp6stat); 1134 1135 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1136 NULL, 0) == -1) 1137 return; 1138 } else { 1139 warnx("%s stats not available via KVM.", name); 1140 return; 1141 } 1142 1143 printf("%s:\n", name); 1144 1145 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1146 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1147 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1148 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1149 1150 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1151 p(ICMP6_STAT_CANTERROR, 1152 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1153 p(ICMP6_STAT_TOOFREQ, 1154 "\t%llu error%s not generated because of rate limitation\n"); 1155 for (first = 1, i = 0; i < 256; i++) 1156 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1157 if (first) { 1158 printf("\tOutput packet histogram:\n"); 1159 first = 0; 1160 } 1161 printf("\t\t%s: %llu\n", icmp6names[i], 1162 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1163 } 1164 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1165 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1166 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1167 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1168 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1169 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1170 if (first) { 1171 printf("\tInput packet histogram:\n"); 1172 first = 0; 1173 } 1174 printf("\t\t%s: %llu\n", icmp6names[i], 1175 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1176 } 1177 printf("\tHistogram of error messages to be generated:\n"); 1178 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1179 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1180 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1181 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1182 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1183 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1184 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1185 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1186 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1187 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1188 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1189 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1190 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1191 1192 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1193 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1194 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1195 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1196 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1197 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1198 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1199 p(ICMP6_STAT_DROPPED_RAROUTE, "\t%llu router advertisement route%s dropped\n"); 1200 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1201 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1202 #undef p 1203 #undef p_oerr 1204 } 1205 1206 /* 1207 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1208 */ 1209 void 1210 icmp6_ifstats(const char *ifname) 1211 { 1212 struct in6_ifreq ifr; 1213 int s; 1214 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1215 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1216 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1217 1218 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1219 perror("Warning: socket(AF_INET6)"); 1220 return; 1221 } 1222 1223 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1224 printf("icmp6 on %s:\n", ifname); 1225 1226 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1227 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1228 goto end; 1229 } 1230 1231 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1232 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1233 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1234 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1235 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1236 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1237 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1238 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1239 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1240 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1241 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1242 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1243 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1244 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1245 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1246 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1247 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1248 1249 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1250 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1251 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1252 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1253 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1254 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1255 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1256 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1257 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1258 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1259 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1260 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1261 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1262 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1263 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1264 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1265 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1266 1267 end: 1268 close(s); 1269 #undef p 1270 } 1271 1272 /* 1273 * Dump PIM statistics structure. 1274 */ 1275 void 1276 pim6_stats(u_long off, const char *name) 1277 { 1278 uint64_t pim6stat[PIM6_NSTATS]; 1279 1280 if (use_sysctl) { 1281 size_t size = sizeof(pim6stat); 1282 1283 if (sysctlbyname("net.inet6.pim6.stats", pim6stat, &size, 1284 NULL, 0) == -1) 1285 return; 1286 } else { 1287 warnx("%s stats not available via KVM.", name); 1288 return; 1289 } 1290 printf("%s:\n", name); 1291 1292 #define p(f, m) if (pim6stat[f] || sflag <= 1) \ 1293 printf(m, (unsigned long long)pim6stat[f], plural(pim6stat[f])) 1294 p(PIM6_STAT_RCV_TOTAL, "\t%llu message%s received\n"); 1295 p(PIM6_STAT_RCV_TOOSHORT, "\t%llu message%s received with too few bytes\n"); 1296 p(PIM6_STAT_RCV_BADSUM, "\t%llu message%s received with bad checksum\n"); 1297 p(PIM6_STAT_RCV_BADVERSION, "\t%llu message%s received with bad version\n"); 1298 p(PIM6_STAT_RCV_REGISTERS, "\t%llu register%s received\n"); 1299 p(PIM6_STAT_RCV_BADREGISTERS, "\t%llu bad register%s received\n"); 1300 p(PIM6_STAT_SND_REGISTERS, "\t%llu register%s sent\n"); 1301 #undef p 1302 } 1303 1304 /* 1305 * Dump raw ip6 statistics structure. 1306 */ 1307 void 1308 rip6_stats(u_long off, const char *name) 1309 { 1310 uint64_t rip6stat[RIP6_NSTATS]; 1311 u_quad_t delivered; 1312 1313 if (use_sysctl) { 1314 size_t size = sizeof(rip6stat); 1315 1316 if (sysctlbyname("net.inet6.raw6.stats", rip6stat, &size, 1317 NULL, 0) == -1) 1318 return; 1319 } else { 1320 warnx("%s stats not available via KVM.", name); 1321 return; 1322 } 1323 printf("%s:\n", name); 1324 1325 #define p(f, m) if (rip6stat[f] || sflag <= 1) \ 1326 printf(m, (unsigned long long)rip6stat[f], plural(rip6stat[f])) 1327 p(RIP6_STAT_IPACKETS, "\t%llu message%s received\n"); 1328 p(RIP6_STAT_ISUM, "\t%llu checksum calculation%s on inbound\n"); 1329 p(RIP6_STAT_BADSUM, "\t%llu message%s with bad checksum\n"); 1330 p(RIP6_STAT_NOSOCK, "\t%llu message%s dropped due to no socket\n"); 1331 p(RIP6_STAT_NOSOCKMCAST, 1332 "\t%llu multicast message%s dropped due to no socket\n"); 1333 p(RIP6_STAT_FULLSOCK, 1334 "\t%llu message%s dropped due to full socket buffers\n"); 1335 delivered = rip6stat[RIP6_STAT_IPACKETS] - 1336 rip6stat[RIP6_STAT_BADSUM] - 1337 rip6stat[RIP6_STAT_NOSOCK] - 1338 rip6stat[RIP6_STAT_NOSOCKMCAST] - 1339 rip6stat[RIP6_STAT_FULLSOCK]; 1340 if (delivered || sflag <= 1) 1341 printf("\t%llu delivered\n", (unsigned long long)delivered); 1342 p(RIP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 1343 #undef p 1344 } 1345 1346 /* 1347 * Pretty print an Internet address (net address + port). 1348 * Take numeric_addr and numeric_port into consideration. 1349 */ 1350 void 1351 inet6print(const struct in6_addr *in6, int port, const char *proto) 1352 { 1353 #define GETSERVBYPORT6(port, proto, ret)\ 1354 do {\ 1355 if (strcmp((proto), "tcp6") == 0)\ 1356 (ret) = getservbyport((int)(port), "tcp");\ 1357 else if (strcmp((proto), "udp6") == 0)\ 1358 (ret) = getservbyport((int)(port), "udp");\ 1359 else\ 1360 (ret) = getservbyport((int)(port), (proto));\ 1361 } while (0) 1362 struct servent *sp = 0; 1363 char line[80], *cp; 1364 int lwidth; 1365 1366 lwidth = Aflag ? 12 : 16; 1367 if (vflag && lwidth < (int)strlen(inet6name(in6))) 1368 lwidth = strlen(inet6name(in6)); 1369 snprintf(line, sizeof(line), "%.*s.", lwidth, inet6name(in6)); 1370 cp = strchr(line, '\0'); 1371 if (!numeric_port && port) 1372 GETSERVBYPORT6(port, proto, sp); 1373 if (sp || port == 0) 1374 snprintf(cp, sizeof(line) - (cp - line), 1375 "%s", sp ? sp->s_name : "*"); 1376 else 1377 snprintf(cp, sizeof(line) - (cp - line), 1378 "%d", ntohs((u_short)port)); 1379 lwidth = Aflag ? 18 : 22; 1380 if (vflag && lwidth < (int)strlen(line)) 1381 lwidth = strlen(line); 1382 printf(" %-*.*s", lwidth, lwidth, line); 1383 } 1384 1385 /* 1386 * Construct an Internet address representation. 1387 * If the numeric_addr has been supplied, give 1388 * numeric value, otherwise try for symbolic name. 1389 */ 1390 1391 char * 1392 inet6name(const struct in6_addr *in6p) 1393 { 1394 char *cp; 1395 static char line[NI_MAXHOST]; 1396 struct hostent *hp; 1397 static char domain[MAXHOSTNAMELEN + 1]; 1398 static int first = 1; 1399 char hbuf[NI_MAXHOST]; 1400 struct sockaddr_in6 sin6; 1401 const int niflag = NI_NUMERICHOST; 1402 1403 if (first && !numeric_addr) { 1404 first = 0; 1405 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1406 (cp = strchr(domain, '.'))) 1407 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1408 else 1409 domain[0] = 0; 1410 } 1411 cp = 0; 1412 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1413 hp = gethostbyaddr((const char *)in6p, sizeof(*in6p), AF_INET6); 1414 if (hp) { 1415 if ((cp = strchr(hp->h_name, '.')) && 1416 !strcmp(cp + 1, domain)) 1417 *cp = 0; 1418 cp = hp->h_name; 1419 } 1420 } 1421 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1422 strlcpy(line, "*", sizeof(line)); 1423 else if (cp) 1424 strlcpy(line, cp, sizeof(line)); 1425 else { 1426 memset(&sin6, 0, sizeof(sin6)); 1427 sin6.sin6_len = sizeof(sin6); 1428 sin6.sin6_family = AF_INET6; 1429 sin6.sin6_addr = *in6p; 1430 #ifdef __KAME__ 1431 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1432 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1433 sin6.sin6_scope_id = 1434 ntohs(*(const u_int16_t *)&in6p->s6_addr[2]); 1435 sin6.sin6_addr.s6_addr[2] = 0; 1436 sin6.sin6_addr.s6_addr[3] = 0; 1437 } 1438 #endif 1439 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1440 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1441 strlcpy(hbuf, "?", sizeof(hbuf)); 1442 strlcpy(line, hbuf, sizeof(line)); 1443 } 1444 return (line); 1445 } 1446 1447 #ifdef TCP6 1448 /* 1449 * Dump the contents of a TCP6 PCB. 1450 */ 1451 void 1452 tcp6_dump(u_long pcbaddr) 1453 u_long pcbaddr; 1454 { 1455 struct tcp6cb tcp6cb; 1456 int i; 1457 1458 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1459 1460 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1461 1462 printf("Timers:\n"); 1463 for (i = 0; i < TCP6T_NTIMERS; i++) 1464 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1465 printf("\n\n"); 1466 1467 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1468 printf("State: %d", tcp6cb.t_state); 1469 else 1470 printf("State: %s", tcp6states[tcp6cb.t_state]); 1471 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1472 (u_long)tcp6cb.t_in6pcb); 1473 1474 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1475 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1476 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1477 tcp6cb.t_maxseg, tcp6cb.t_force); 1478 1479 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1480 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1481 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1482 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1483 (unsigned long long)tcp6cb.snd_wnd); 1484 1485 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1486 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1487 tcp6cb.rcv_up, tcp6cb.irs); 1488 1489 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1490 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1491 (unsigned long long)tcp6cb.snd_ssthresh); 1492 1493 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1494 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1495 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1496 (unsigned long long)tcp6cb.max_sndwnd); 1497 1498 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1499 tcp6cb.t_iobc, tcp6cb.t_softerror); 1500 1501 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1502 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1503 tcp6cb.requested_s_scale); 1504 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1505 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1506 } 1507 #endif 1508 1509 #endif /*INET6*/ 1510
Indexes created Fri Sep 26 08:10:20 GMT 2025