inet6.c revision 1.59.4.1
1 /* $NetBSD: inet6.c,v 1.59.4.1 2014/05/22 11:42:46 yamt 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 1.59.4.1 2014/05/22 11:42:46 yamt Exp $"); 68 #endif 69 #endif /* not lint */ 70 71 #define _CALLOUT_PRIVATE 72 73 #include <sys/param.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/ioctl.h> 77 #include <sys/mbuf.h> 78 #include <sys/protosw.h> 79 #include <sys/sysctl.h> 80 81 #include <net/route.h> 82 #include <net/if.h> 83 #include <netinet/in.h> 84 #include <netinet/ip6.h> 85 #include <netinet/icmp6.h> 86 #include <netinet/in_systm.h> 87 #ifndef TCP6 88 #include <netinet/ip.h> 89 #include <netinet/ip_var.h> 90 #endif 91 #include <netinet6/ip6_var.h> 92 #include <netinet6/in6_pcb.h> 93 #include <netinet6/in6_var.h> 94 #ifdef TCP6 95 #include <netinet/tcp6.h> 96 #include <netinet/tcp6_seq.h> 97 #define TCP6STATES 98 #include <netinet/tcp6_fsm.h> 99 #define TCP6TIMERS 100 #include <netinet/tcp6_timer.h> 101 #include <netinet/tcp6_var.h> 102 #include <netinet/tcp6_debug.h> 103 #else 104 #define TCP6T_NTIMERS TCPT_NTIMERS 105 #define tcp6timers tcptimers 106 #define tcp6states tcpstates 107 #define TCP6_NSTATES TCP_NSTATES 108 #define tcp6cb tcpcb 109 #include <netinet/tcp.h> 110 #include <netinet/tcpip.h> 111 #include <netinet/tcp_seq.h> 112 #include <netinet/tcp_fsm.h> 113 extern const char * const tcpstates[]; 114 extern const char * const tcptimers[]; 115 #include <netinet/tcp_timer.h> 116 #include <netinet/tcp_var.h> 117 #include <netinet/tcp_debug.h> 118 #endif /*TCP6*/ 119 #include <netinet6/udp6.h> 120 #include <netinet6/udp6_var.h> 121 #include <netinet6/pim6_var.h> 122 #include <netinet6/raw_ip6.h> 123 #include <netinet/tcp_vtw.h> 124 125 #include <arpa/inet.h> 126 #if 0 127 #include "gethostbyname2.h" 128 #endif 129 #include <netdb.h> 130 131 #include <err.h> 132 #include <errno.h> 133 #include <kvm.h> 134 #include <stdio.h> 135 #include <stdlib.h> 136 #include <string.h> 137 #include <unistd.h> 138 #include "netstat.h" 139 #include "vtw.h" 140 #include "prog_ops.h" 141 142 #ifdef INET6 143 144 struct in6pcb in6pcb; 145 #ifdef TCP6 146 struct tcp6cb tcp6cb; 147 #else 148 struct tcpcb tcpcb; 149 #endif 150 struct socket sockb; 151 152 char *inet6name(const struct in6_addr *); 153 void inet6print(const struct in6_addr *, int, const char *); 154 void print_vtw_v6(const vtw_t *); 155 156 /* 157 * Print a summary of connections related to an Internet 158 * protocol. For TCP, also give state of connection. 159 * Listening processes (aflag) are suppressed unless the 160 * -a (all) flag is specified. 161 */ 162 static int width; 163 static int compact; 164 165 /* VTW-related variables. */ 166 static struct timeval now; 167 168 static void 169 ip6protoprhdr(void) 170 { 171 172 printf("Active Internet6 connections"); 173 174 if (aflag) 175 printf(" (including servers)"); 176 putchar('\n'); 177 178 if (Aflag) { 179 printf("%-8.8s ", "PCB"); 180 width = 18; 181 } 182 printf( 183 Vflag ? "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %-13.13s Expires\n" 184 : "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 185 "Proto", "Recv-Q", "Send-Q", 186 -width, width, "Local Address", 187 -width, width, "Foreign Address", "(state)"); 188 } 189 190 static void 191 ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, 192 const struct in6_addr *laddr, u_int16_t lport, 193 const struct in6_addr *faddr, u_int16_t fport, 194 short t_state, const char *name, const struct timeval *expires) 195 { 196 static const char *shorttcpstates[] = { 197 "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", 198 "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", 199 "LASTAK", "FWAIT2", "TMWAIT", 200 }; 201 int istcp; 202 203 istcp = strcmp(name, "tcp6") == 0; 204 if (Aflag) 205 printf("%8" PRIxPTR " ", ppcb); 206 207 printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, 208 compact ? "" : " "); 209 210 inet6print(laddr, (int)lport, name); 211 inet6print(faddr, (int)fport, name); 212 if (istcp) { 213 #ifdef TCP6 214 if (t_state < 0 || t_state >= TCP6_NSTATES) 215 printf(" %d", t_state); 216 else 217 printf(" %s", tcp6states[t_state]); 218 #else 219 if (t_state < 0 || t_state >= TCP_NSTATES) 220 printf(" %d", t_state); 221 else 222 printf(" %s", compact ? shorttcpstates[t_state] : 223 tcpstates[t_state]); 224 #endif 225 } 226 if (Vflag && expires != NULL) { 227 if (expires->tv_sec == 0 && expires->tv_usec == -1) 228 printf(" reclaimed"); 229 else { 230 struct timeval delta; 231 232 timersub(expires, &now, &delta); 233 printf(" %.3fms", 234 delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 235 } 236 } 237 putchar('\n'); 238 } 239 240 static void 241 dbg_printf(const char *fmt, ...) 242 { 243 return; 244 } 245 246 void 247 print_vtw_v6(const vtw_t *vtw) 248 { 249 const vtw_v6_t *v6 = (const vtw_v6_t *)vtw; 250 struct timeval delta; 251 char buf[2][128]; 252 static const struct timeval zero = {.tv_sec = 0, .tv_usec = 0}; 253 254 inet_ntop(AF_INET6, &v6->laddr, buf[0], sizeof(buf[0])); 255 inet_ntop(AF_INET6, &v6->faddr, buf[1], sizeof(buf[1])); 256 257 timersub(&vtw->expire, &now, &delta); 258 259 if (vtw->expire.tv_sec == 0 && vtw->expire.tv_usec == -1) { 260 dbg_printf("%15.15s:%d %15.15s:%d reclaimed\n" 261 ,buf[0], ntohs(v6->lport) 262 ,buf[1], ntohs(v6->fport)); 263 if (!(Vflag && vflag)) 264 return; 265 } else if (vtw->expire.tv_sec == 0) 266 return; 267 else if (timercmp(&delta, &zero, <) && !(Vflag && vflag)) { 268 dbg_printf("%15.15s:%d %15.15s:%d expired\n" 269 ,buf[0], ntohs(v6->lport) 270 ,buf[1], ntohs(v6->fport)); 271 return; 272 } else { 273 dbg_printf("%15.15s:%d %15.15s:%d expires in %.3fms\n" 274 ,buf[0], ntohs(v6->lport) 275 ,buf[1], ntohs(v6->fport) 276 ,delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); 277 } 278 ip6protopr0(0, 0, 0, 279 &v6->laddr, v6->lport, 280 &v6->faddr, v6->fport, 281 TCPS_TIME_WAIT, "tcp6", &vtw->expire); 282 } 283 284 285 static struct kinfo_pcb * 286 getpcblist_kmem(u_long off, const char *name, size_t *len) { 287 288 struct inpcbtable table; 289 struct inpcb_hdr *next, *prev; 290 int istcp = strcmp(name, "tcp6") == 0; 291 struct kinfo_pcb *pcblist; 292 size_t size = 100, i; 293 struct sockaddr_in6 sin6; 294 struct inpcbqueue *head; 295 296 if (off == 0) { 297 *len = 0; 298 return NULL; 299 } 300 kread(off, (char *)&table, sizeof (table)); 301 head = &table.inpt_queue; 302 next = TAILQ_FIRST(head); 303 prev = TAILQ_END(head); 304 305 if ((pcblist = malloc(size)) == NULL) 306 err(1, "malloc"); 307 308 i = 0; 309 while (next != TAILQ_END(head)) { 310 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 311 next = TAILQ_NEXT(&in6pcb, in6p_queue); 312 prev = next; 313 314 if (in6pcb.in6p_af != AF_INET6) 315 continue; 316 317 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 318 sizeof (sockb)); 319 if (istcp) { 320 #ifdef TCP6 321 kread((u_long)in6pcb.in6p_ppcb, 322 (char *)&tcp6cb, sizeof (tcp6cb)); 323 #else 324 kread((u_long)in6pcb.in6p_ppcb, 325 (char *)&tcpcb, sizeof (tcpcb)); 326 #endif 327 } 328 pcblist[i].ki_ppcbaddr = 329 istcp ? (uintptr_t) in6pcb.in6p_ppcb : (uintptr_t) prev; 330 pcblist[i].ki_rcvq = (uint64_t)sockb.so_rcv.sb_cc; 331 pcblist[i].ki_sndq = (uint64_t)sockb.so_snd.sb_cc; 332 sin6.sin6_addr = in6pcb.in6p_laddr; 333 sin6.sin6_port = in6pcb.in6p_lport; 334 memcpy(&pcblist[i].ki_s, &sin6, sizeof(sin6)); 335 sin6.sin6_addr = in6pcb.in6p_faddr; 336 sin6.sin6_port = in6pcb.in6p_fport; 337 memcpy(&pcblist[i].ki_d, &sin6, sizeof(sin6)); 338 pcblist[i].ki_tstate = tcpcb.t_state; 339 if (i++ == size) { 340 struct kinfo_pcb *n = realloc(pcblist, size += 100); 341 if (n == NULL) 342 err(1, "realloc"); 343 pcblist = n; 344 } 345 } 346 *len = i; 347 return pcblist; 348 } 349 350 void 351 ip6protopr(u_long off, const char *name) 352 { 353 struct kinfo_pcb *pcblist; 354 size_t i, len; 355 static int first = 1; 356 357 compact = 0; 358 if (Aflag) { 359 if (!numeric_addr) 360 width = 18; 361 else { 362 width = 21; 363 compact = 1; 364 } 365 } else 366 width = 22; 367 368 if (use_sysctl) 369 pcblist = getpcblist_sysctl(name, &len); 370 else 371 pcblist = getpcblist_kmem(off, name, &len); 372 373 for (i = 0; i < len; i++) { 374 struct sockaddr_in6 src, dst; 375 376 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 377 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 378 379 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&dst.sin6_addr)) 380 continue; 381 382 if (first) { 383 ip6protoprhdr(); 384 first = 0; 385 } 386 387 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 388 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 389 &src.sin6_addr, src.sin6_port, 390 &dst.sin6_addr, dst.sin6_port, 391 pcblist[i].ki_tstate, name, NULL); 392 } 393 394 free(pcblist); 395 396 if (strcmp(name, "tcp6") == 0) { 397 struct timeval t; 398 timebase(&t); 399 gettimeofday(&now, NULL); 400 timersub(&now, &t, &now); 401 show_vtw_v6(print_vtw_v6); 402 } 403 } 404 405 #ifdef TCP6 406 /* 407 * Dump TCP6 statistics structure. 408 */ 409 void 410 tcp6_stats(u_long off, const char *name) 411 { 412 struct tcp6stat tcp6stat; 413 414 if (use_sysctl) { 415 size_t size = sizeof(tcp6stat); 416 417 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 418 NULL, 0) == -1) 419 return; 420 } else { 421 warnx("%s stats not available via KVM.", name); 422 return; 423 } 424 425 printf ("%s:\n", name); 426 427 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 428 printf(m, tcp6stat.f, plural(tcp6stat.f)) 429 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 430 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 431 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 432 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 433 434 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 435 p2(tcp6s_sndpack,tcp6s_sndbyte, 436 "\t\t%ld data packet%s (%ld byte%s)\n"); 437 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 438 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 439 p2(tcp6s_sndacks, tcp6s_delack, 440 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 441 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 442 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 443 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 444 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 445 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 446 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 447 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 448 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 449 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 450 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 451 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 452 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 453 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 454 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 455 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 456 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 457 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 458 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 459 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 460 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 461 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 462 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 463 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 464 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 465 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 466 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 467 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 468 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 469 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 470 p2(tcp6s_closed, tcp6s_drops, 471 "\t%ld connection%s closed (including %ld drop%s)\n"); 472 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 473 p2(tcp6s_rttupdated, tcp6s_segstimed, 474 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 475 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 476 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 477 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 478 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 479 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 480 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 481 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 482 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 483 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 484 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 485 #undef p 486 #undef p2 487 #undef p3 488 } 489 #endif 490 491 /* 492 * Dump UDP6 statistics structure. 493 */ 494 void 495 udp6_stats(u_long off, const char *name) 496 { 497 uint64_t udp6stat[UDP6_NSTATS]; 498 u_quad_t delivered; 499 500 if (use_sysctl) { 501 size_t size = sizeof(udp6stat); 502 503 if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, 504 NULL, 0) == -1) 505 return; 506 } else { 507 warnx("%s stats not available via KVM.", name); 508 return; 509 } 510 printf("%s:\n", name); 511 #define p(f, m) if (udp6stat[f] || sflag <= 1) \ 512 printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) 513 #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ 514 printf(m, (unsigned long long)udp6stat[f]) 515 p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); 516 p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); 517 p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); 518 p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); 519 p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); 520 p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); 521 p(UDP6_STAT_NOPORTMCAST, 522 "\t%llu multicast datagram%s dropped due to no socket\n"); 523 p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); 524 delivered = udp6stat[UDP6_STAT_IPACKETS] - 525 udp6stat[UDP6_STAT_HDROPS] - 526 udp6stat[UDP6_STAT_BADLEN] - 527 udp6stat[UDP6_STAT_BADSUM] - 528 udp6stat[UDP6_STAT_NOPORT] - 529 udp6stat[UDP6_STAT_NOPORTMCAST] - 530 udp6stat[UDP6_STAT_FULLSOCK]; 531 if (delivered || sflag <= 1) 532 printf("\t%llu delivered\n", (unsigned long long)delivered); 533 p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 534 #undef p 535 #undef p1 536 } 537 538 static const char *ip6nh[] = { 539 /*0*/ "hop by hop", 540 "ICMP", 541 "IGMP", 542 NULL, 543 "IP", 544 /*5*/ NULL, 545 "TCP", 546 NULL, 547 NULL, 548 NULL, 549 /*10*/ NULL, NULL, NULL, NULL, NULL, 550 /*15*/ NULL, 551 NULL, 552 "UDP", 553 NULL, 554 NULL, 555 /*20*/ NULL, 556 NULL, 557 "IDP", 558 NULL, 559 NULL, 560 /*25*/ NULL, 561 NULL, 562 NULL, 563 NULL, 564 NULL, 565 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 566 /*40*/ NULL, 567 "IP6", 568 NULL, 569 "routing", 570 "fragment", 571 /*45*/ NULL, NULL, NULL, NULL, NULL, 572 /*50*/ "ESP", 573 "AH", 574 NULL, 575 NULL, 576 NULL, 577 /*55*/ NULL, 578 NULL, 579 NULL, 580 "ICMP6", 581 "no next header", 582 /*60*/ "destination option", 583 NULL, 584 NULL, 585 NULL, 586 NULL, 587 /*65*/ NULL, NULL, NULL, NULL, NULL, 588 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 589 /*80*/ NULL, 590 NULL, 591 NULL, 592 NULL, 593 NULL, 594 NULL, 595 NULL, 596 NULL, 597 NULL, 598 "OSPF", 599 /*90*/ NULL, NULL, NULL, NULL, NULL, 600 /*95*/ NULL, 601 NULL, 602 "Ethernet", 603 NULL, 604 NULL, 605 /*100*/ NULL, 606 NULL, 607 NULL, 608 "PIM", 609 NULL, 610 /*105*/ NULL, NULL, NULL, NULL, NULL, 611 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 612 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 613 /*130*/ NULL, 614 NULL, 615 "SCTP", 616 NULL, 617 NULL, 618 /*135*/ NULL, NULL, NULL, NULL, NULL, 619 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 620 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 621 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 622 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 623 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 624 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 625 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 626 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 627 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 628 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 629 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 630 NULL, NULL, NULL, NULL, NULL, NULL, 631 }; 632 633 /* 634 * Dump IP6 statistics structure. 635 */ 636 void 637 ip6_stats(u_long off, const char *name) 638 { 639 uint64_t ip6stat[IP6_NSTATS]; 640 int first, i; 641 struct protoent *ep; 642 const char *n; 643 644 if (use_sysctl) { 645 size_t size = sizeof(ip6stat); 646 647 if (sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, 648 NULL, 0) == -1) 649 return; 650 } else { 651 warnx("%s stats not available via KVM.", name); 652 return; 653 } 654 printf("%s:\n", name); 655 656 #define p(f, m) if (ip6stat[f] || sflag <= 1) \ 657 printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) 658 #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ 659 printf(m, (unsigned long long)ip6stat[f]) 660 661 p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); 662 p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); 663 p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); 664 p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); 665 p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); 666 p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); 667 p(IP6_STAT_FRAGDROPPED, 668 "\t%llu fragment%s dropped (dup or out of space)\n"); 669 p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); 670 p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); 671 p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); 672 p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); 673 p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); 674 p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); 675 p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); 676 p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); 677 p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); 678 p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); 679 p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); 680 p(IP6_STAT_ODROPPED, 681 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 682 p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); 683 p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); 684 p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); 685 p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); 686 p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); 687 p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); 688 for (first = 1, i = 0; i < 256; i++) 689 if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { 690 if (first) { 691 printf("\tInput packet histogram:\n"); 692 first = 0; 693 } 694 n = NULL; 695 if (ip6nh[i]) 696 n = ip6nh[i]; 697 else if ((ep = getprotobynumber(i)) != NULL) 698 n = ep->p_name; 699 if (n) 700 printf("\t\t%s: %llu\n", n, 701 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 702 else 703 printf("\t\t#%d: %llu\n", i, 704 (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); 705 } 706 printf("\tMbuf statistics:\n"); 707 p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); 708 for (first = 1, i = 0; i < 32; i++) { 709 char ifbuf[IFNAMSIZ]; 710 if (ip6stat[IP6_STAT_M2M + i] != 0) { 711 if (first) { 712 printf("\t\ttwo or more mbuf:\n"); 713 first = 0; 714 } 715 printf("\t\t\t%s = %llu\n", 716 if_indextoname(i, ifbuf), 717 (unsigned long long)ip6stat[IP6_STAT_M2M + i]); 718 } 719 } 720 p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); 721 p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); 722 p(IP6_STAT_EXTHDRTOOLONG, 723 "\t%llu packet%s whose headers are not continuous\n"); 724 p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); 725 p(IP6_STAT_TOOMANYHDR, 726 "\t%llu packet%s discarded due to too many headers\n"); 727 728 /* for debugging source address selection */ 729 #define PRINT_SCOPESTAT(s,i) do {\ 730 switch(i) { /* XXX hardcoding in each case */\ 731 case 1:\ 732 p(s, "\t\t%llu node-local%s\n");\ 733 break;\ 734 case 2:\ 735 p(s, "\t\t%llu link-local%s\n");\ 736 break;\ 737 case 5:\ 738 p(s, "\t\t%llu site-local%s\n");\ 739 break;\ 740 case 14:\ 741 p(s, "\t\t%llu global%s\n");\ 742 break;\ 743 default:\ 744 printf("\t\t%llu addresses scope=%x\n",\ 745 (unsigned long long)ip6stat[s], i);\ 746 }\ 747 } while(/*CONSTCOND*/0); 748 749 p(IP6_STAT_SOURCES_NONE, 750 "\t%llu failure%s of source address selection\n"); 751 for (first = 1, i = 0; i < 16; i++) { 752 if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { 753 if (first) { 754 printf("\tsource addresses on an outgoing I/F\n"); 755 first = 0; 756 } 757 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); 758 } 759 } 760 for (first = 1, i = 0; i < 16; i++) { 761 if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { 762 if (first) { 763 printf("\tsource addresses on a non-outgoing I/F\n"); 764 first = 0; 765 } 766 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); 767 } 768 } 769 for (first = 1, i = 0; i < 16; i++) { 770 if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { 771 if (first) { 772 printf("\tsource addresses of same scope\n"); 773 first = 0; 774 } 775 PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); 776 } 777 } 778 for (first = 1, i = 0; i < 16; i++) { 779 if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { 780 if (first) { 781 printf("\tsource addresses of a different scope\n"); 782 first = 0; 783 } 784 PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); 785 } 786 } 787 for (first = 1, i = 0; i < 16; i++) { 788 if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { 789 if (first) { 790 printf("\tdeprecated source addresses\n"); 791 first = 0; 792 } 793 PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); 794 } 795 } 796 797 p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); 798 p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); 799 #undef p 800 #undef p1 801 } 802 803 /* 804 * Dump IPv6 per-interface statistics based on RFC 2465. 805 */ 806 void 807 ip6_ifstats(const char *ifname) 808 { 809 struct in6_ifreq ifr; 810 int s; 811 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 812 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 813 plural(ifr.ifr_ifru.ifru_stat.f)) 814 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 815 printf(m, (unsigned long long)ip6stat.f) 816 817 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 818 perror("Warning: socket(AF_INET6)"); 819 return; 820 } 821 822 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 823 printf("ip6 on %s:\n", ifname); 824 825 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 826 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 827 goto end; 828 } 829 830 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 831 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 832 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 833 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 834 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 835 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 836 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 837 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 838 p(ifs6_in_deliver, 839 "\t%llu datagram%s delivered to an upper layer protocol\n"); 840 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 841 p(ifs6_out_request, 842 "\t%llu datagram%s sent from an upper layer protocol\n"); 843 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 844 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 845 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 846 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 847 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 848 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 849 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 850 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 851 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 852 853 end: 854 close(s); 855 856 #undef p 857 #undef p_5 858 } 859 860 static const char *icmp6names[] = { 861 "#0", 862 "unreach", 863 "packet too big", 864 "time exceed", 865 "parameter problem", 866 "#5", 867 "#6", 868 "#7", 869 "#8", 870 "#9", 871 "#10", 872 "#11", 873 "#12", 874 "#13", 875 "#14", 876 "#15", 877 "#16", 878 "#17", 879 "#18", 880 "#19", 881 "#20", 882 "#21", 883 "#22", 884 "#23", 885 "#24", 886 "#25", 887 "#26", 888 "#27", 889 "#28", 890 "#29", 891 "#30", 892 "#31", 893 "#32", 894 "#33", 895 "#34", 896 "#35", 897 "#36", 898 "#37", 899 "#38", 900 "#39", 901 "#40", 902 "#41", 903 "#42", 904 "#43", 905 "#44", 906 "#45", 907 "#46", 908 "#47", 909 "#48", 910 "#49", 911 "#50", 912 "#51", 913 "#52", 914 "#53", 915 "#54", 916 "#55", 917 "#56", 918 "#57", 919 "#58", 920 "#59", 921 "#60", 922 "#61", 923 "#62", 924 "#63", 925 "#64", 926 "#65", 927 "#66", 928 "#67", 929 "#68", 930 "#69", 931 "#70", 932 "#71", 933 "#72", 934 "#73", 935 "#74", 936 "#75", 937 "#76", 938 "#77", 939 "#78", 940 "#79", 941 "#80", 942 "#81", 943 "#82", 944 "#83", 945 "#84", 946 "#85", 947 "#86", 948 "#87", 949 "#88", 950 "#89", 951 "#80", 952 "#91", 953 "#92", 954 "#93", 955 "#94", 956 "#95", 957 "#96", 958 "#97", 959 "#98", 960 "#99", 961 "#100", 962 "#101", 963 "#102", 964 "#103", 965 "#104", 966 "#105", 967 "#106", 968 "#107", 969 "#108", 970 "#109", 971 "#110", 972 "#111", 973 "#112", 974 "#113", 975 "#114", 976 "#115", 977 "#116", 978 "#117", 979 "#118", 980 "#119", 981 "#120", 982 "#121", 983 "#122", 984 "#123", 985 "#124", 986 "#125", 987 "#126", 988 "#127", 989 "echo", 990 "echo reply", 991 "multicast listener query", 992 "multicast listener report", 993 "multicast listener done", 994 "router solicitation", 995 "router advertisement", 996 "neighbor solicitation", 997 "neighbor advertisement", 998 "redirect", 999 "router renumbering", 1000 "node information request", 1001 "node information reply", 1002 "#141", 1003 "#142", 1004 "#143", 1005 "#144", 1006 "#145", 1007 "#146", 1008 "#147", 1009 "#148", 1010 "#149", 1011 "#150", 1012 "#151", 1013 "#152", 1014 "#153", 1015 "#154", 1016 "#155", 1017 "#156", 1018 "#157", 1019 "#158", 1020 "#159", 1021 "#160", 1022 "#161", 1023 "#162", 1024 "#163", 1025 "#164", 1026 "#165", 1027 "#166", 1028 "#167", 1029 "#168", 1030 "#169", 1031 "#170", 1032 "#171", 1033 "#172", 1034 "#173", 1035 "#174", 1036 "#175", 1037 "#176", 1038 "#177", 1039 "#178", 1040 "#179", 1041 "#180", 1042 "#181", 1043 "#182", 1044 "#183", 1045 "#184", 1046 "#185", 1047 "#186", 1048 "#187", 1049 "#188", 1050 "#189", 1051 "#180", 1052 "#191", 1053 "#192", 1054 "#193", 1055 "#194", 1056 "#195", 1057 "#196", 1058 "#197", 1059 "#198", 1060 "#199", 1061 "#200", 1062 "#201", 1063 "#202", 1064 "#203", 1065 "#204", 1066 "#205", 1067 "#206", 1068 "#207", 1069 "#208", 1070 "#209", 1071 "#210", 1072 "#211", 1073 "#212", 1074 "#213", 1075 "#214", 1076 "#215", 1077 "#216", 1078 "#217", 1079 "#218", 1080 "#219", 1081 "#220", 1082 "#221", 1083 "#222", 1084 "#223", 1085 "#224", 1086 "#225", 1087 "#226", 1088 "#227", 1089 "#228", 1090 "#229", 1091 "#230", 1092 "#231", 1093 "#232", 1094 "#233", 1095 "#234", 1096 "#235", 1097 "#236", 1098 "#237", 1099 "#238", 1100 "#239", 1101 "#240", 1102 "#241", 1103 "#242", 1104 "#243", 1105 "#244", 1106 "#245", 1107 "#246", 1108 "#247", 1109 "#248", 1110 "#249", 1111 "#250", 1112 "#251", 1113 "#252", 1114 "#253", 1115 "#254", 1116 "#255", 1117 }; 1118 1119 /* 1120 * Dump ICMPv6 statistics. 1121 */ 1122 void 1123 icmp6_stats(u_long off, const char *name) 1124 { 1125 uint64_t icmp6stat[ICMP6_NSTATS]; 1126 int i, first; 1127 1128 if (use_sysctl) { 1129 size_t size = sizeof(icmp6stat); 1130 1131 if (sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, 1132 NULL, 0) == -1) 1133 return; 1134 } else { 1135 warnx("%s stats not available via KVM.", name); 1136 return; 1137 } 1138 1139 printf("%s:\n", name); 1140 1141 #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ 1142 printf(m, (unsigned long long)icmp6stat[f], plural(icmp6stat[f])) 1143 #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ 1144 printf(m, (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) 1145 1146 p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); 1147 p(ICMP6_STAT_CANTERROR, 1148 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1149 p(ICMP6_STAT_TOOFREQ, 1150 "\t%llu error%s not generated because of rate limitation\n"); 1151 for (first = 1, i = 0; i < 256; i++) 1152 if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { 1153 if (first) { 1154 printf("\tOutput packet histogram:\n"); 1155 first = 0; 1156 } 1157 printf("\t\t%s: %llu\n", icmp6names[i], 1158 (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); 1159 } 1160 p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); 1161 p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); 1162 p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); 1163 p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); 1164 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1165 if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { 1166 if (first) { 1167 printf("\tInput packet histogram:\n"); 1168 first = 0; 1169 } 1170 printf("\t\t%s: %llu\n", icmp6names[i], 1171 (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); 1172 } 1173 printf("\tHistogram of error messages to be generated:\n"); 1174 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); 1175 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); 1176 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); 1177 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); 1178 p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); 1179 p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); 1180 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); 1181 p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); 1182 p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); 1183 p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); 1184 p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); 1185 p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); 1186 p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); 1187 1188 p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); 1189 p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); 1190 p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); 1191 p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); 1192 p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); 1193 p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); 1194 p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); 1195 p(ICMP6_STAT_DROPPED_RAROUTE, "\t%llu router advertisement route%s dropped\n"); 1196 p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); 1197 p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); 1198 #undef p 1199 #undef p_oerr 1200 } 1201 1202 /* 1203 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1204 */ 1205 void 1206 icmp6_ifstats(const char *ifname) 1207 { 1208 struct in6_ifreq ifr; 1209 int s; 1210 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1211 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1212 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1213 1214 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1215 perror("Warning: socket(AF_INET6)"); 1216 return; 1217 } 1218 1219 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1220 printf("icmp6 on %s:\n", ifname); 1221 1222 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1223 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1224 goto end; 1225 } 1226 1227 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1228 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1229 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1230 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1231 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1232 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1233 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1234 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1235 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1236 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1237 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1238 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1239 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1240 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1241 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1242 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1243 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1244 1245 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1246 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1247 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1248 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1249 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1250 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1251 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1252 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1253 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1254 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1255 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1256 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1257 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1258 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1259 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1260 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1261 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1262 1263 end: 1264 close(s); 1265 #undef p 1266 } 1267 1268 /* 1269 * Dump PIM statistics structure. 1270 */ 1271 void 1272 pim6_stats(u_long off, const char *name) 1273 { 1274 uint64_t pim6stat[PIM6_NSTATS]; 1275 1276 if (use_sysctl) { 1277 size_t size = sizeof(pim6stat); 1278 1279 if (sysctlbyname("net.inet6.pim6.stats", pim6stat, &size, 1280 NULL, 0) == -1) 1281 return; 1282 } else { 1283 warnx("%s stats not available via KVM.", name); 1284 return; 1285 } 1286 printf("%s:\n", name); 1287 1288 #define p(f, m) if (pim6stat[f] || sflag <= 1) \ 1289 printf(m, (unsigned long long)pim6stat[f], plural(pim6stat[f])) 1290 p(PIM6_STAT_RCV_TOTAL, "\t%llu message%s received\n"); 1291 p(PIM6_STAT_RCV_TOOSHORT, "\t%llu message%s received with too few bytes\n"); 1292 p(PIM6_STAT_RCV_BADSUM, "\t%llu message%s received with bad checksum\n"); 1293 p(PIM6_STAT_RCV_BADVERSION, "\t%llu message%s received with bad version\n"); 1294 p(PIM6_STAT_RCV_REGISTERS, "\t%llu register%s received\n"); 1295 p(PIM6_STAT_RCV_BADREGISTERS, "\t%llu bad register%s received\n"); 1296 p(PIM6_STAT_SND_REGISTERS, "\t%llu register%s sent\n"); 1297 #undef p 1298 } 1299 1300 /* 1301 * Dump raw ip6 statistics structure. 1302 */ 1303 void 1304 rip6_stats(u_long off, const char *name) 1305 { 1306 uint64_t rip6stat[RIP6_NSTATS]; 1307 u_quad_t delivered; 1308 1309 if (use_sysctl) { 1310 size_t size = sizeof(rip6stat); 1311 1312 if (sysctlbyname("net.inet6.raw6.stats", rip6stat, &size, 1313 NULL, 0) == -1) 1314 return; 1315 } else { 1316 warnx("%s stats not available via KVM.", name); 1317 return; 1318 } 1319 printf("%s:\n", name); 1320 1321 #define p(f, m) if (rip6stat[f] || sflag <= 1) \ 1322 printf(m, (unsigned long long)rip6stat[f], plural(rip6stat[f])) 1323 p(RIP6_STAT_IPACKETS, "\t%llu message%s received\n"); 1324 p(RIP6_STAT_ISUM, "\t%llu checksum calculation%s on inbound\n"); 1325 p(RIP6_STAT_BADSUM, "\t%llu message%s with bad checksum\n"); 1326 p(RIP6_STAT_NOSOCK, "\t%llu message%s dropped due to no socket\n"); 1327 p(RIP6_STAT_NOSOCKMCAST, 1328 "\t%llu multicast message%s dropped due to no socket\n"); 1329 p(RIP6_STAT_FULLSOCK, 1330 "\t%llu message%s dropped due to full socket buffers\n"); 1331 delivered = rip6stat[RIP6_STAT_IPACKETS] - 1332 rip6stat[RIP6_STAT_BADSUM] - 1333 rip6stat[RIP6_STAT_NOSOCK] - 1334 rip6stat[RIP6_STAT_NOSOCKMCAST] - 1335 rip6stat[RIP6_STAT_FULLSOCK]; 1336 if (delivered || sflag <= 1) 1337 printf("\t%llu delivered\n", (unsigned long long)delivered); 1338 p(RIP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); 1339 #undef p 1340 } 1341 1342 /* 1343 * Pretty print an Internet address (net address + port). 1344 * Take numeric_addr and numeric_port into consideration. 1345 */ 1346 void 1347 inet6print(const struct in6_addr *in6, int port, const char *proto) 1348 { 1349 #define GETSERVBYPORT6(port, proto, ret)\ 1350 do {\ 1351 if (strcmp((proto), "tcp6") == 0)\ 1352 (ret) = getservbyport((int)(port), "tcp");\ 1353 else if (strcmp((proto), "udp6") == 0)\ 1354 (ret) = getservbyport((int)(port), "udp");\ 1355 else\ 1356 (ret) = getservbyport((int)(port), (proto));\ 1357 } while (0) 1358 struct servent *sp = 0; 1359 char line[80], *cp; 1360 int lwidth; 1361 1362 lwidth = Aflag ? 12 : 16; 1363 if (vflag && lwidth < (int)strlen(inet6name(in6))) 1364 lwidth = strlen(inet6name(in6)); 1365 snprintf(line, sizeof(line), "%.*s.", lwidth, inet6name(in6)); 1366 cp = strchr(line, '\0'); 1367 if (!numeric_port && port) 1368 GETSERVBYPORT6(port, proto, sp); 1369 if (sp || port == 0) 1370 snprintf(cp, sizeof(line) - (cp - line), 1371 "%s", sp ? sp->s_name : "*"); 1372 else 1373 snprintf(cp, sizeof(line) - (cp - line), 1374 "%d", ntohs((u_short)port)); 1375 lwidth = Aflag ? 18 : 22; 1376 if (vflag && lwidth < (int)strlen(line)) 1377 lwidth = strlen(line); 1378 printf(" %-*.*s", lwidth, lwidth, line); 1379 } 1380 1381 /* 1382 * Construct an Internet address representation. 1383 * If the numeric_addr has been supplied, give 1384 * numeric value, otherwise try for symbolic name. 1385 */ 1386 1387 char * 1388 inet6name(const struct in6_addr *in6p) 1389 { 1390 char *cp; 1391 static char line[NI_MAXHOST]; 1392 struct hostent *hp; 1393 static char domain[MAXHOSTNAMELEN + 1]; 1394 static int first = 1; 1395 char hbuf[NI_MAXHOST]; 1396 struct sockaddr_in6 sin6; 1397 const int niflag = NI_NUMERICHOST; 1398 1399 if (first && !numeric_addr) { 1400 first = 0; 1401 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1402 (cp = strchr(domain, '.'))) 1403 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1404 else 1405 domain[0] = 0; 1406 } 1407 cp = 0; 1408 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1409 hp = gethostbyaddr((const char *)in6p, sizeof(*in6p), AF_INET6); 1410 if (hp) { 1411 if ((cp = strchr(hp->h_name, '.')) && 1412 !strcmp(cp + 1, domain)) 1413 *cp = 0; 1414 cp = hp->h_name; 1415 } 1416 } 1417 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1418 strlcpy(line, "*", sizeof(line)); 1419 else if (cp) 1420 strlcpy(line, cp, sizeof(line)); 1421 else { 1422 memset(&sin6, 0, sizeof(sin6)); 1423 sin6.sin6_len = sizeof(sin6); 1424 sin6.sin6_family = AF_INET6; 1425 sin6.sin6_addr = *in6p; 1426 inet6_getscopeid(&sin6, INET6_IS_ADDR_LINKLOCAL| 1427 INET6_IS_ADDR_MC_LINKLOCAL); 1428 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1429 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1430 strlcpy(hbuf, "?", sizeof(hbuf)); 1431 strlcpy(line, hbuf, sizeof(line)); 1432 } 1433 return (line); 1434 } 1435 1436 /* 1437 * Dump the contents of a TCP6 PCB. 1438 */ 1439 void 1440 tcp6_dump(u_long off, const char *name, u_long pcbaddr) 1441 { 1442 callout_impl_t *ci; 1443 int i, hardticks; 1444 struct kinfo_pcb *pcblist; 1445 #ifdef TCP6 1446 #define mypcb tcp6cb 1447 #else 1448 #define mypcb tcpcb 1449 #endif 1450 size_t j, len; 1451 1452 if (use_sysctl) 1453 pcblist = getpcblist_sysctl(name, &len); 1454 else 1455 pcblist = getpcblist_kmem(off, name, &len); 1456 1457 for (j = 0; j < len; j++) 1458 if (pcblist[j].ki_ppcbaddr == pcbaddr) 1459 break; 1460 free(pcblist); 1461 1462 if (j == len) 1463 errx(1, "0x%lx is not a valid pcb address", pcbaddr); 1464 1465 kread(pcbaddr, (char *)&mypcb, sizeof(mypcb)); 1466 hardticks = get_hardticks(); 1467 1468 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1469 printf("Timers:\n"); 1470 for (i = 0; i < TCP6T_NTIMERS; i++) { 1471 ci = (callout_impl_t *)&tcpcb.t_timer[i]; 1472 printf("\t%s: %d", tcptimers[i], 1473 (ci->c_flags & CALLOUT_PENDING) ? 1474 ci->c_time - hardticks : 0); 1475 } 1476 printf("\n\n"); 1477 1478 if (mypcb.t_state < 0 || mypcb.t_state >= TCP6_NSTATES) 1479 printf("State: %d", mypcb.t_state); 1480 else 1481 printf("State: %s", tcp6states[mypcb.t_state]); 1482 printf(", flags 0x%x, in6pcb 0x%lx\n\n", mypcb.t_flags, 1483 (u_long)mypcb.t_in6pcb); 1484 1485 printf("rxtshift %d, rxtcur %d, dupacks %d\n", mypcb.t_rxtshift, 1486 mypcb.t_rxtcur, mypcb.t_dupacks); 1487 #ifdef TCP6 1488 printf("peermaxseg %u, maxseg %u, force %d\n\n", mypcb.t_peermaxseg, 1489 mypcb.t_maxseg, mypcb.t_force); 1490 #endif 1491 1492 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1493 mypcb.snd_una, mypcb.snd_nxt, mypcb.snd_up); 1494 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1495 mypcb.snd_wl1, mypcb.snd_wl2, mypcb.iss, 1496 (unsigned long long)mypcb.snd_wnd); 1497 1498 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1499 (unsigned long long)mypcb.rcv_wnd, mypcb.rcv_nxt, 1500 mypcb.rcv_up, mypcb.irs); 1501 1502 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1503 mypcb.rcv_adv, mypcb.snd_max, (unsigned long long)mypcb.snd_cwnd, 1504 (unsigned long long)mypcb.snd_ssthresh); 1505 1506 #ifdef TCP6 1507 printf("idle %d, rtt %d, " mypcb.t_idle, mypcb.t_rtt) 1508 #endif 1509 printf("rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1510 "max_sndwnd %llu\n\n", mypcb.t_rtseq, 1511 mypcb.t_srtt, mypcb.t_rttvar, mypcb.t_rttmin, 1512 (unsigned long long)mypcb.max_sndwnd); 1513 1514 printf("oobflags %d, iobc %d, softerror %d\n\n", mypcb.t_oobflags, 1515 mypcb.t_iobc, mypcb.t_softerror); 1516 1517 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1518 mypcb.snd_scale, mypcb.rcv_scale, mypcb.request_r_scale, 1519 mypcb.requested_s_scale); 1520 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1521 mypcb.ts_recent, mypcb.ts_recent_age, mypcb.last_ack_sent); 1522 } 1523 1524 #endif /*INET6*/ 1525
Indexes created Wed Oct 15 07:09:58 GMT 2025