1 /* $NetBSD: inet6.c,v 1.57 2011/05/11 15:08:59 drochner 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 1.57 2011/05/11 15:08:59 drochner 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( "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %-13.13s%s\n", 177 "Proto", "Recv-Q", "Send-Q", 178 -width, width, "Local Address", 179 -width, width, "Foreign Address", 180 "(state)", Vflag ? " Expires" : ""); 181 } 182 183 static void 184 ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, 185 const struct in6_addr *laddr, u_int16_t lport, 186 const struct in6_addr *faddr, u_int16_t fport, 187 short t_state, const char *name, const struct timeval *expires) 188 { 189 static const char *shorttcpstates[] = { 190 "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", 191 "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", 192 "LASTAK", "FWAIT2", "TMWAIT", 193 }; 194 int istcp; 195 196 istcp = strcmp(name, "tcp6") == 0; 197 if (Aflag) 198 printf("%8" PRIxPTR " ", ppcb); 199 200 printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, 201 compact ? "" : " "); 202 203 inet6print(laddr, (int)lport, name); 204 inet6print(faddr, (int)fport, name); 205 if (istcp) { 206 #ifdef TCP6 207 if (t_state < 0 || t_state >= TCP6_NSTATES) 208 printf(" %d", t_state); 209 else 210 printf(" %s", tcp6states[t_state]); 211 #else 212 if (t_state < 0 || t_state >= TCP_NSTATES) 213 printf(" %d", t_state); 214 else 215 printf(" %s", compact ? shorttcpstates[t_state] : 216 tcpstates[t_state]); 217 #endif 218 } 219 if (Vflag && expires != NULL) { 220 if (expires->tv_sec == 0 && expires->tv_usec == -1) 221 printf(" reclaimed"); 222 else { 223 struct timeval delta; 224 225 timersub(expires, &now, &delta); 226 printf(" %.3fms", 227 delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 228 } 229 } 230 putchar('\n'); 231 } 232 233 static void 234 dbg_printf(const char *fmt, ...) 235 { 236 return; 237 } 238 239 void 240 print_vtw_v6(const vtw_t *vtw) 241 { 242 const vtw_v6_t *v6 = (const vtw_v6_t *)vtw; 243 struct timeval delta; 244 char buf[2][128]; 245 static const struct timeval zero = {.tv_sec = 0, .tv_usec = 0}; 246 247 inet_ntop(AF_INET6, &v6->laddr, buf[0], sizeof(buf[0])); 248 inet_ntop(AF_INET6, &v6->faddr, buf[1], sizeof(buf[1])); 249 250 timersub(&vtw->expire, &now, &delta); 251 252 if (vtw->expire.tv_sec == 0 && vtw->expire.tv_usec == -1) { 253 dbg_printf("%15.15s:%d %15.15s:%d reclaimed\n" 254 ,buf[0], ntohs(v6->lport) 255 ,buf[1], ntohs(v6->fport)); 256 if (!(Vflag && vflag)) 257 return; 258 } else if (vtw->expire.tv_sec == 0) 259 return; 260 else if (timercmp(&delta, &zero, <) && !(Vflag && vflag)) { 261 dbg_printf("%15.15s:%d %15.15s:%d expired\n" 262 ,buf[0], ntohs(v6->lport) 263 ,buf[1], ntohs(v6->fport)); 264 return; 265 } else { 266 dbg_printf("%15.15s:%d %15.15s:%d expires in %.3fms\n" 267 ,buf[0], ntohs(v6->lport) 268 ,buf[1], ntohs(v6->fport) 269 ,delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 270 } 271 ip6protopr0(0, 0, 0, 272 &v6->laddr, v6->lport, 273 &v6->faddr, v6->fport, 274 TCPS_TIME_WAIT, "tcp6", &vtw->expire); 275 } 276 277 void 278 ip6protopr(u_long off, const char *name) 279 { 280 struct inpcbtable table; 281 struct in6pcb *head, *prev, *next; 282 int istcp = strcmp(name, "tcp6") == 0; 283 static int first = 1; 284 285 compact = 0; 286 if (Aflag) { 287 if (!numeric_addr) 288 width = 18; 289 else { 290 width = 21; 291 compact = 1; 292 } 293 } else 294 width = 22; 295 296 if (use_sysctl) { 297 struct kinfo_pcb *pcblist; 298 int mib[8]; 299 size_t namelen = 0, size = 0, i; 300 char *mibname = NULL; 301 302 memset(mib, 0, sizeof(mib)); 303 304 if (asprintf(&mibname, "net.inet6.%s.pcblist", name) == -1) 305 err(1, "asprintf"); 306 307 /* get dynamic pcblist node */ 308 if (sysctlnametomib(mibname, mib, &namelen) == -1) { 309 if (errno == ENOENT) 310 return; 311 312 err(1, "sysctlnametomib: %s", mibname); 313 } 314 315 if (prog_sysctl(mib, __arraycount(mib), 316 NULL, &size, NULL, 0) == -1) 317 err(1, "sysctl (query)"); 318 319 if ((pcblist = malloc(size)) == NULL) 320 err(1, "malloc"); 321 memset(pcblist, 0, size); 322 323 mib[6] = sizeof(*pcblist); 324 mib[7] = size / sizeof(*pcblist); 325 326 if (prog_sysctl(mib, __arraycount(mib), pcblist, 327 &size, NULL, 0) == -1) 328 err(1, "sysctl (copy)"); 329 330 for (i = 0; i < size / sizeof(*pcblist); i++) { 331 struct sockaddr_in6 src, dst; 332 333 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 334 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 335 336 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&dst.sin6_addr)) 337 continue; 338 339 if (first) { 340 ip6protoprhdr(); 341 first = 0; 342 } 343 344 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 345 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 346 &src.sin6_addr, src.sin6_port, 347 &dst.sin6_addr, dst.sin6_port, 348 pcblist[i].ki_tstate, name, NULL); 349 } 350 351 free(pcblist); 352 goto end; 353 } 354 355 if (off == 0) 356 return; 357 kread(off, (char *)&table, sizeof (table)); 358 head = prev = 359 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 360 next = (struct in6pcb *)table.inpt_queue.cqh_first; 361 362 while (next != head) { 363 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 364 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 365 printf("???\n"); 366 break; 367 } 368 prev = next; 369 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 370 371 if (in6pcb.in6p_af != AF_INET6) 372 continue; 373 374 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr)) 375 continue; 376 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 377 sizeof (sockb)); 378 if (istcp) { 379 #ifdef TCP6 380 kread((u_long)in6pcb.in6p_ppcb, 381 (char *)&tcp6cb, sizeof (tcp6cb)); 382 #else 383 kread((u_long)in6pcb.in6p_ppcb, 384 (char *)&tcpcb, sizeof (tcpcb)); 385 #endif 386 } 387 if (first) { 388 ip6protoprhdr(); 389 first = 0; 390 } 391 ip6protopr0(istcp ? (intptr_t) in6pcb.in6p_ppcb : 392 (intptr_t) prev, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc, 393 &in6pcb.in6p_laddr, in6pcb.in6p_lport, 394 &in6pcb.in6p_faddr, in6pcb.in6p_fport, 395 tcpcb.t_state, name, NULL); 396 397 } 398 end: 399 if (istcp) { 400 struct timeval t; 401 timebase(&t); 402 gettimeofday(&now, NULL); 403 timersub(&now, &t, &now); 404 show_vtw_v6(print_vtw_v6); 405 } 406 } 407 408 #ifdef TCP6 409 /* 410 * Dump TCP6 statistics structure. 411 */ 412 void 413 tcp6_stats(u_long off, const char *name) 414 { 415 struct tcp6stat tcp6stat; 416 417 if (use_sysctl) { 418 size_t size = sizeof(tcp6stat); 419 420 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 421 NULL, 0) == -1) 422 return; 423 } else { 424 warnx("%s stats not available via KVM.", name); 425 return; 426 } 427 428 printf ("%s:\n", name); 429 430 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 431 printf(m, tcp6stat.f, plural(tcp6stat.f)) 432 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 433 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 434 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 435 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 436 437 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 438 p2(tcp6s_sndpack,tcp6s_sndbyte, 439 "\t\t%ld data packet%s (%ld byte%s)\n"); 440 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 441 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 442 p2(tcp6s_sndacks, tcp6s_delack, 443 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 444 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 445 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 446 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 447 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 448 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 449 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 450 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 451 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 452 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 453 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 454 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 455 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 456 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 457 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 458 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 459 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 460 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 461 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 462 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 463 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 464 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 465 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 466 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 467 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 468 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 469 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 470 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 471 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 472 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 473 p2(tcp6s_closed, tcp6s_drops, 474 "\t%ld connection%s closed (including %ld drop%s)\n"); 475 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 476 p2(tcp6s_rttupdated, tcp6s_segstimed, 477 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 478 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 479 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 480 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 481 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 482 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 483 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 484 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 485 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 486 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 487 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 488 #undef p 489 #undef p2 490 #undef p3 491 } 492 #endif 493 494 /* 495 * Dump UDP6 statistics structure. 496 */ 497 void 498 udp6_stats(u_long off, const char *name) 499 { 500 uint64_t udp6stat[UDP6_NSTATS]; 501 u_quad_t delivered; 502 503 if (use_sysctl) { 504 size_t size = sizeof(udp6stat); 505 506 if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, 507 NULL, 0) == -1) 508 return; 509 } else { 510 warnx("%s stats not available via KVM.", name); 511 return; 512 } 513 printf("%s:\n", name); 514 #define p(f, m) if (udp6stat[f] || sflag <= 1) \ 515 printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) 516 #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ 517 printf(m, (unsigned long long)udp6stat[f]) 518 p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); 519 p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); 520 p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); 521 p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); 522 p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); 523 p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); 524 p(UDP6_STAT_NOPORTMCAST, 525 "\t%llu multicast datagram%s dropped due to no socket\n"); 526 p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); 527 delivered = udp6stat[UDP6_STAT_IPACKETS] - 528 udp6stat[UDP6_STAT_HDROPS] - 529 udp6stat[UDP6_STAT_BADLEN] - 530 udp6stat[UDP6_STAT_BADSUM] - 531 udp6stat[UDP6_STAT_NOPORT] - 532 udp6stat[UDP6_STAT_NOPORTMCAST] - 533 udp6stat[UDP6_STAT_FULLSOCK]; 534 if (delivered || sflag <= 1) 535 printf("\t%llu delivered\n", (unsigned long long)delivered); 536 p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 537 #undef p 538 #undef p1 539 } 540 541 static const char *ip6nh[] = { 542 /*0*/ "hop by hop", 543 "ICMP", 544 "IGMP", 545 NULL, 546 "IP", 547 /*5*/ NULL, 548 "TCP", 549 NULL, 550 NULL, 551 NULL, 552 /*10*/ NULL, NULL, NULL, NULL, NULL, 553 /*15*/ NULL, 554 NULL, 555 "UDP", 556 NULL, 557 NULL, 558 /*20*/ NULL, 559 NULL, 560 "IDP", 561 NULL, 562 NULL, 563 /*25*/ NULL, 564 NULL, 565 NULL, 566 NULL, 567 "TP", 568 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 569 /*40*/ NULL, 570 "IP6", 571 NULL, 572 "routing", 573 "fragment", 574 /*45*/ NULL, NULL, NULL, NULL, NULL, 575 /*50*/ "ESP", 576 "AH", 577 NULL, 578 NULL, 579 NULL, 580 /*55*/ NULL, 581 NULL, 582 NULL, 583 "ICMP6", 584 "no next header", 585 /*60*/ "destination option", 586 NULL, 587 NULL, 588 NULL, 589 NULL, 590 /*65*/ NULL, NULL, NULL, NULL, NULL, 591 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 592 /*80*/ "ISOIP", 593 NULL, 594 NULL, 595 NULL, 596 NULL, 597 NULL, 598 NULL, 599 NULL, 600 NULL, 601 "OSPF", 602 /*90*/ NULL, NULL, NULL, NULL, NULL, 603 /*95*/ NULL, 604 NULL, 605 "Ethernet", 606 NULL, 607 NULL, 608 /*100*/ NULL, 609 NULL, 610 NULL, 611 "PIM", 612 NULL, 613 /*105*/ NULL, NULL, NULL, NULL, NULL, 614 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 615 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 616 /*130*/ NULL, 617 NULL, 618 "SCTP", 619 NULL, 620 NULL, 621 /*135*/ NULL, NULL, NULL, NULL, NULL, 622 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 623 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 624 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 625 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 626 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 627 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 628 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 629 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 630 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 631 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 632 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 633 NULL, NULL, NULL, NULL, NULL, NULL, 634 }; 635 636 /* 637 * Dump IP6 statistics structure. 638 */ 639 void 640 ip6_stats(u_long off, const char *name) 641 { 642 uint64_t ip6stat[IP6_NSTATS]; 643 int first, i; 644 struct protoent *ep; 645 const char *n; 646 647 if (use_sysctl) { 648 size_t size = sizeof(ip6stat); 649 650 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 651 NULL, 0) == -1) 652 return; 653 } else { 654 warnx("%s stats not available via KVM.", name); 655 return; 656 } 657 printf("%s:\n", name); 658 659 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 660 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 661 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 662 printf(m, (unsigned long long)ip6stat[f]) 663 664 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 665 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 666 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 667 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 668 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 669 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 670 p(IP6_STAT_FRAGDROPPED, 671 "\t%llu fragment%s dropped (dup or out of space)\n"); 672 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 673 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 674 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 675 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 676 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 677 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 678 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 679 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 680 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 681 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 682 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 683 p(IP6_STAT_ODROPPED, 684 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 685 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 686 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 687 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 688 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 689 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 690 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 691 for (first = 1, i = 0; i < 256; i++) 692 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 693 if (first) { 694 printf("\tInput packet histogram:\n"); 695 first = 0; 696 } 697 n = NULL; 698 if (ip6nh[i]) 699 n = ip6nh[i]; 700 else if ((ep = getprotobynumber(i)) != NULL) 701 n = ep->p_name; 702 if (n) 703 printf("\t\t%s: %llu\n", n, 704 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 705 else 706 printf("\t\t#%d: %llu\n", i, 707 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 708 } 709 printf("\tMbuf statistics:\n"); 710 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 711 for (first = 1, i = 0; i < 32; i++) { 712 char ifbuf[IFNAMSIZ]; 713 if (ip6stat[IP6_STAT_M2M + i] != 0) { 714 if (first) { 715 printf("\t\ttwo or more mbuf:\n"); 716 first = 0; 717 } 718 printf("\t\t\t%s = %llu\n", 719 if_indextoname(i, ifbuf), 720 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 721 } 722 } 723 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 724 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 725 p(IP6_STAT_EXTHDRTOOLONG, 726 "\t%llu packet%s whose headers are not continuous\n"); 727 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 728 p(IP6_STAT_TOOMANYHDR, 729 "\t%llu packet%s discarded due to too many headers\n"); 730 731 /* for debugging source address selection */ 732 #define PRINT_SCOPESTAT(s,i) do {\ 733 switch(i) { /* XXX hardcoding in each case */\ 734 case 1:\ 735 p(s, "\t\t%llu node-local%s\n");\ 736 break;\ 737 case 2:\ 738 p(s, "\t\t%llu link-local%s\n");\ 739 break;\ 740 case 5:\ 741 p(s, "\t\t%llu site-local%s\n");\ 742 break;\ 743 case 14:\ 744 p(s, "\t\t%llu global%s\n");\ 745 break;\ 746 default:\ 747 printf("\t\t%llu addresses scope=%x\n",\ 748 (unsigned long long)ip6stat[s], i);\ 749 }\ 750 } while(/*CONSTCOND*/0); 751 752 p(IP6_STAT_SOURCES_NONE, 753 "\t%llu failure%s of source address selection\n"); 754 for (first = 1, i = 0; i < 16; i++) { 755 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 756 if (first) { 757 printf("\tsource addresses on an outgoing I/F\n"); 758 first = 0; 759 } 760 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 761 } 762 } 763 for (first = 1, i = 0; i < 16; i++) { 764 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 765 if (first) { 766 printf("\tsource addresses on a non-outgoing I/F\n"); 767 first = 0; 768 } 769 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 770 } 771 } 772 for (first = 1, i = 0; i < 16; i++) { 773 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 774 if (first) { 775 printf("\tsource addresses of same scope\n"); 776 first = 0; 777 } 778 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 779 } 780 } 781 for (first = 1, i = 0; i < 16; i++) { 782 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 783 if (first) { 784 printf("\tsource addresses of a different scope\n"); 785 first = 0; 786 } 787 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 788 } 789 } 790 for (first = 1, i = 0; i < 16; i++) { 791 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 792 if (first) { 793 printf("\tdeprecated source addresses\n"); 794 first = 0; 795 } 796 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 797 } 798 } 799 800 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 801 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 802 #undef p 803 #undef p1 804 } 805 806 /* 807 * Dump IPv6 per-interface statistics based on RFC 2465. 808 */ 809 void 810 ip6_ifstats(const char *ifname) 811 { 812 struct in6_ifreq ifr; 813 int s; 814 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 815 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 816 plural(ifr.ifr_ifru.ifru_stat.f)) 817 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 818 printf(m, (unsigned long long)ip6stat.f) 819 820 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 821 perror("Warning: socket(AF_INET6)"); 822 return; 823 } 824 825 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 826 printf("ip6 on %s:\n", ifname); 827 828 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 829 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 830 goto end; 831 } 832 833 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 834 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 835 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 836 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 837 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 838 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 839 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 840 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 841 p(ifs6_in_deliver, 842 "\t%llu datagram%s delivered to an upper layer protocol\n"); 843 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 844 p(ifs6_out_request, 845 "\t%llu datagram%s sent from an upper layer protocol\n"); 846 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 847 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 848 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 849 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 850 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 851 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 852 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 853 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 854 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 855 856 end: 857 close(s); 858 859 #undef p 860 #undef p_5 861 } 862 863 static const char *icmp6names[] = { 864 "#0", 865 "unreach", 866 "packet too big", 867 "time exceed", 868 "parameter problem", 869 "#5", 870 "#6", 871 "#7", 872 "#8", 873 "#9", 874 "#10", 875 "#11", 876 "#12", 877 "#13", 878 "#14", 879 "#15", 880 "#16", 881 "#17", 882 "#18", 883 "#19", 884 "#20", 885 "#21", 886 "#22", 887 "#23", 888 "#24", 889 "#25", 890 "#26", 891 "#27", 892 "#28", 893 "#29", 894 "#30", 895 "#31", 896 "#32", 897 "#33", 898 "#34", 899 "#35", 900 "#36", 901 "#37", 902 "#38", 903 "#39", 904 "#40", 905 "#41", 906 "#42", 907 "#43", 908 "#44", 909 "#45", 910 "#46", 911 "#47", 912 "#48", 913 "#49", 914 "#50", 915 "#51", 916 "#52", 917 "#53", 918 "#54", 919 "#55", 920 "#56", 921 "#57", 922 "#58", 923 "#59", 924 "#60", 925 "#61", 926 "#62", 927 "#63", 928 "#64", 929 "#65", 930 "#66", 931 "#67", 932 "#68", 933 "#69", 934 "#70", 935 "#71", 936 "#72", 937 "#73", 938 "#74", 939 "#75", 940 "#76", 941 "#77", 942 "#78", 943 "#79", 944 "#80", 945 "#81", 946 "#82", 947 "#83", 948 "#84", 949 "#85", 950 "#86", 951 "#87", 952 "#88", 953 "#89", 954 "#80", 955 "#91", 956 "#92", 957 "#93", 958 "#94", 959 "#95", 960 "#96", 961 "#97", 962 "#98", 963 "#99", 964 "#100", 965 "#101", 966 "#102", 967 "#103", 968 "#104", 969 "#105", 970 "#106", 971 "#107", 972 "#108", 973 "#109", 974 "#110", 975 "#111", 976 "#112", 977 "#113", 978 "#114", 979 "#115", 980 "#116", 981 "#117", 982 "#118", 983 "#119", 984 "#120", 985 "#121", 986 "#122", 987 "#123", 988 "#124", 989 "#125", 990 "#126", 991 "#127", 992 "echo", 993 "echo reply", 994 "multicast listener query", 995 "multicast listener report", 996 "multicast listener done", 997 "router solicitation", 998 "router advertisement", 999 "neighbor solicitation", 1000 "neighbor advertisement", 1001 "redirect", 1002 "router renumbering", 1003 "node information request", 1004 "node information reply", 1005 "#141", 1006 "#142", 1007 "#143", 1008 "#144", 1009 "#145", 1010 "#146", 1011 "#147", 1012 "#148", 1013 "#149", 1014 "#150", 1015 "#151", 1016 "#152", 1017 "#153", 1018 "#154", 1019 "#155", 1020 "#156", 1021 "#157", 1022 "#158", 1023 "#159", 1024 "#160", 1025 "#161", 1026 "#162", 1027 "#163", 1028 "#164", 1029 "#165", 1030 "#166", 1031 "#167", 1032 "#168", 1033 "#169", 1034 "#170", 1035 "#171", 1036 "#172", 1037 "#173", 1038 "#174", 1039 "#175", 1040 "#176", 1041 "#177", 1042 "#178", 1043 "#179", 1044 "#180", 1045 "#181", 1046 "#182", 1047 "#183", 1048 "#184", 1049 "#185", 1050 "#186", 1051 "#187", 1052 "#188", 1053 "#189", 1054 "#180", 1055 "#191", 1056 "#192", 1057 "#193", 1058 "#194", 1059 "#195", 1060 "#196", 1061 "#197", 1062 "#198", 1063 "#199", 1064 "#200", 1065 "#201", 1066 "#202", 1067 "#203", 1068 "#204", 1069 "#205", 1070 "#206", 1071 "#207", 1072 "#208", 1073 "#209", 1074 "#210", 1075 "#211", 1076 "#212", 1077 "#213", 1078 "#214", 1079 "#215", 1080 "#216", 1081 "#217", 1082 "#218", 1083 "#219", 1084 "#220", 1085 "#221", 1086 "#222", 1087 "#223", 1088 "#224", 1089 "#225", 1090 "#226", 1091 "#227", 1092 "#228", 1093 "#229", 1094 "#230", 1095 "#231", 1096 "#232", 1097 "#233", 1098 "#234", 1099 "#235", 1100 "#236", 1101 "#237", 1102 "#238", 1103 "#239", 1104 "#240", 1105 "#241", 1106 "#242", 1107 "#243", 1108 "#244", 1109 "#245", 1110 "#246", 1111 "#247", 1112 "#248", 1113 "#249", 1114 "#250", 1115 "#251", 1116 "#252", 1117 "#253", 1118 "#254", 1119 "#255", 1120 }; 1121 1122 /* 1123 * Dump ICMPv6 statistics. 1124 */ 1125 void 1126 icmp6_stats(u_long off, const char *name) 1127 { 1128 uint64_t icmp6stat[ICMP6_NSTATS]; 1129 int i, first; 1130 1131 if (use_sysctl) { 1132 size_t size = sizeof(icmp6stat); 1133 1134 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1135 NULL, 0) == -1) 1136 return; 1137 } else { 1138 warnx("%s stats not available via KVM.", name); 1139 return; 1140 } 1141 1142 printf("%s:\n", name); 1143 1144 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1145 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1146 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1147 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1148 1149 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1150 p(ICMP6_STAT_CANTERROR, 1151 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1152 p(ICMP6_STAT_TOOFREQ, 1153 "\t%llu error%s not generated because of rate limitation\n"); 1154 for (first = 1, i = 0; i < 256; i++) 1155 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1156 if (first) { 1157 printf("\tOutput packet histogram:\n"); 1158 first = 0; 1159 } 1160 printf("\t\t%s: %llu\n", icmp6names[i], 1161 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1162 } 1163 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1164 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1165 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1166 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1167 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1168 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1169 if (first) { 1170 printf("\tInput packet histogram:\n"); 1171 first = 0; 1172 } 1173 printf("\t\t%s: %llu\n", icmp6names[i], 1174 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1175 } 1176 printf("\tHistogram of error messages to be generated:\n"); 1177 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1178 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1179 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1180 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1181 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1182 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1183 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1184 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1185 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1186 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1187 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1188 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1189 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1190 1191 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1192 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1193 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1194 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1195 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1196 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1197 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1198 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1199 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1200 #undef p 1201 #undef p_oerr 1202 } 1203 1204 /* 1205 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1206 */ 1207 void 1208 icmp6_ifstats(const char *ifname) 1209 { 1210 struct in6_ifreq ifr; 1211 int s; 1212 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1213 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1214 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1215 1216 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1217 perror("Warning: socket(AF_INET6)"); 1218 return; 1219 } 1220 1221 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1222 printf("icmp6 on %s:\n", ifname); 1223 1224 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1225 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1226 goto end; 1227 } 1228 1229 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1230 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1231 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1232 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1233 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1234 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1235 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1236 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1237 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1238 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1239 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1240 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1241 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1242 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1243 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1244 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1245 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1246 1247 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1248 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1249 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1250 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1251 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1252 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1253 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1254 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1255 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1256 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1257 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1258 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1259 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1260 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1261 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1262 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1263 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1264 1265 end: 1266 close(s); 1267 #undef p 1268 } 1269 1270 /* 1271 * Dump PIM statistics structure. 1272 */ 1273 void 1274 pim6_stats(u_long off, const char *name) 1275 { 1276 uint64_t pim6stat[PIM6_NSTATS]; 1277 1278 if (use_sysctl) { 1279 size_t size = sizeof(pim6stat); 1280 1281 if (sysctlbyname("net.inet6.pim6.stats", pim6stat, &size, 1282 NULL, 0) == -1) 1283 return; 1284 } else { 1285 warnx("%s stats not available via KVM.", name); 1286 return; 1287 } 1288 printf("%s:\n", name); 1289 1290 #define p(f, m) if (pim6stat[f] || sflag <= 1) \ 1291 printf(m, (unsigned long long)pim6stat[f], plural(pim6stat[f])) 1292 p(PIM6_STAT_RCV_TOTAL, "\t%llu message%s received\n"); 1293 p(PIM6_STAT_RCV_TOOSHORT, "\t%llu message%s received with too few bytes\n"); 1294 p(PIM6_STAT_RCV_BADSUM, "\t%llu message%s received with bad checksum\n"); 1295 p(PIM6_STAT_RCV_BADVERSION, "\t%llu message%s received with bad version\n"); 1296 p(PIM6_STAT_RCV_REGISTERS, "\t%llu register%s received\n"); 1297 p(PIM6_STAT_RCV_BADREGISTERS, "\t%llu bad register%s received\n"); 1298 p(PIM6_STAT_SND_REGISTERS, "\t%llu register%s sent\n"); 1299 #undef p 1300 } 1301 1302 /* 1303 * Dump raw ip6 statistics structure. 1304 */ 1305 void 1306 rip6_stats(u_long off, const char *name) 1307 { 1308 uint64_t rip6stat[RIP6_NSTATS]; 1309 u_quad_t delivered; 1310 1311 if (use_sysctl) { 1312 size_t size = sizeof(rip6stat); 1313 1314 if (sysctlbyname("net.inet6.raw6.stats", rip6stat, &size, 1315 NULL, 0) == -1) 1316 return; 1317 } else { 1318 warnx("%s stats not available via KVM.", name); 1319 return; 1320 } 1321 printf("%s:\n", name); 1322 1323 #define p(f, m) if (rip6stat[f] || sflag <= 1) \ 1324 printf(m, (unsigned long long)rip6stat[f], plural(rip6stat[f])) 1325 p(RIP6_STAT_IPACKETS, "\t%llu message%s received\n"); 1326 p(RIP6_STAT_ISUM, "\t%llu checksum calculation%s on inbound\n"); 1327 p(RIP6_STAT_BADSUM, "\t%llu message%s with bad checksum\n"); 1328 p(RIP6_STAT_NOSOCK, "\t%llu message%s dropped due to no socket\n"); 1329 p(RIP6_STAT_NOSOCKMCAST, 1330 "\t%llu multicast message%s dropped due to no socket\n"); 1331 p(RIP6_STAT_FULLSOCK, 1332 "\t%llu message%s dropped due to full socket buffers\n"); 1333 delivered = rip6stat[RIP6_STAT_IPACKETS] - 1334 rip6stat[RIP6_STAT_BADSUM] - 1335 rip6stat[RIP6_STAT_NOSOCK] - 1336 rip6stat[RIP6_STAT_NOSOCKMCAST] - 1337 rip6stat[RIP6_STAT_FULLSOCK]; 1338 if (delivered || sflag <= 1) 1339 printf("\t%llu delivered\n", (unsigned long long)delivered); 1340 p(RIP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 1341 #undef p 1342 } 1343 1344 /* 1345 * Pretty print an Internet address (net address + port). 1346 * Take numeric_addr and numeric_port into consideration. 1347 */ 1348 void 1349 inet6print(const struct in6_addr *in6, int port, const char *proto) 1350 { 1351 #define GETSERVBYPORT6(port, proto, ret)\ 1352 do {\ 1353 if (strcmp((proto), "tcp6") == 0)\ 1354 (ret) = getservbyport((int)(port), "tcp");\ 1355 else if (strcmp((proto), "udp6") == 0)\ 1356 (ret) = getservbyport((int)(port), "udp");\ 1357 else\ 1358 (ret) = getservbyport((int)(port), (proto));\ 1359 } while (0) 1360 struct servent *sp = 0; 1361 char line[80], *cp; 1362 int lwidth; 1363 1364 lwidth = Aflag ? 12 : 16; 1365 if (vflag && lwidth < (int)strlen(inet6name(in6))) 1366 lwidth = strlen(inet6name(in6)); 1367 snprintf(line, sizeof(line), "%.*s.", lwidth, inet6name(in6)); 1368 cp = strchr(line, '\0'); 1369 if (!numeric_port && port) 1370 GETSERVBYPORT6(port, proto, sp); 1371 if (sp || port == 0) 1372 snprintf(cp, sizeof(line) - (cp - line), 1373 "%s", sp ? sp->s_name : "*"); 1374 else 1375 snprintf(cp, sizeof(line) - (cp - line), 1376 "%d", ntohs((u_short)port)); 1377 lwidth = Aflag ? 18 : 22; 1378 if (vflag && lwidth < (int)strlen(line)) 1379 lwidth = strlen(line); 1380 printf(" %-*.*s", lwidth, lwidth, line); 1381 } 1382 1383 /* 1384 * Construct an Internet address representation. 1385 * If the numeric_addr has been supplied, give 1386 * numeric value, otherwise try for symbolic name. 1387 */ 1388 1389 char * 1390 inet6name(const struct in6_addr *in6p) 1391 { 1392 char *cp; 1393 static char line[NI_MAXHOST]; 1394 struct hostent *hp; 1395 static char domain[MAXHOSTNAMELEN + 1]; 1396 static int first = 1; 1397 char hbuf[NI_MAXHOST]; 1398 struct sockaddr_in6 sin6; 1399 const int niflag = NI_NUMERICHOST; 1400 1401 if (first && !numeric_addr) { 1402 first = 0; 1403 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1404 (cp = strchr(domain, '.'))) 1405 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1406 else 1407 domain[0] = 0; 1408 } 1409 cp = 0; 1410 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1411 hp = gethostbyaddr((const char *)in6p, sizeof(*in6p), AF_INET6); 1412 if (hp) { 1413 if ((cp = strchr(hp->h_name, '.')) && 1414 !strcmp(cp + 1, domain)) 1415 *cp = 0; 1416 cp = hp->h_name; 1417 } 1418 } 1419 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1420 strlcpy(line, "*", sizeof(line)); 1421 else if (cp) 1422 strlcpy(line, cp, sizeof(line)); 1423 else { 1424 memset(&sin6, 0, sizeof(sin6)); 1425 sin6.sin6_len = sizeof(sin6); 1426 sin6.sin6_family = AF_INET6; 1427 sin6.sin6_addr = *in6p; 1428 #ifdef __KAME__ 1429 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1430 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1431 sin6.sin6_scope_id = 1432 ntohs(*(const u_int16_t *)&in6p->s6_addr[2]); 1433 sin6.sin6_addr.s6_addr[2] = 0; 1434 sin6.sin6_addr.s6_addr[3] = 0; 1435 } 1436 #endif 1437 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1438 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1439 strlcpy(hbuf, "?", sizeof(hbuf)); 1440 strlcpy(line, hbuf, sizeof(line)); 1441 } 1442 return (line); 1443 } 1444 1445 #ifdef TCP6 1446 /* 1447 * Dump the contents of a TCP6 PCB. 1448 */ 1449 void 1450 tcp6_dump(u_long pcbaddr) 1451 u_long pcbaddr; 1452 { 1453 struct tcp6cb tcp6cb; 1454 int i; 1455 1456 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1457 1458 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1459 1460 printf("Timers:\n"); 1461 for (i = 0; i < TCP6T_NTIMERS; i++) 1462 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1463 printf("\n\n"); 1464 1465 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1466 printf("State: %d", tcp6cb.t_state); 1467 else 1468 printf("State: %s", tcp6states[tcp6cb.t_state]); 1469 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1470 (u_long)tcp6cb.t_in6pcb); 1471 1472 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1473 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1474 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1475 tcp6cb.t_maxseg, tcp6cb.t_force); 1476 1477 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1478 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1479 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1480 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1481 (unsigned long long)tcp6cb.snd_wnd); 1482 1483 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1484 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1485 tcp6cb.rcv_up, tcp6cb.irs); 1486 1487 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1488 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1489 (unsigned long long)tcp6cb.snd_ssthresh); 1490 1491 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1492 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1493 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1494 (unsigned long long)tcp6cb.max_sndwnd); 1495 1496 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1497 tcp6cb.t_iobc, tcp6cb.t_softerror); 1498 1499 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1500 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1501 tcp6cb.requested_s_scale); 1502 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1503 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1504 } 1505 #endif 1506 1507 #endif /*INET6*/ 1508