inet6.c revision 1.35
1 /* $NetBSD: inet6.c,v 1.35 2005/08/28 16:12:35 rpaulo 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 1.35 2005/08/28 16:12:35 rpaulo 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 #include <netinet6/ip6_var.h> 93 #ifdef TCP6 94 #include <netinet6/tcp6.h> 95 #include <netinet6/tcp6_seq.h> 96 #define TCP6STATES 97 #include <netinet6/tcp6_fsm.h> 98 #define TCP6TIMERS 99 #include <netinet6/tcp6_timer.h> 100 #include <netinet6/tcp6_var.h> 101 #include <netinet6/tcp6_debug.h> 102 #else 103 #include <netinet/tcp.h> 104 #include <netinet/tcpip.h> 105 #include <netinet/tcp_seq.h> 106 /*#define TCPSTATES*/ 107 #include <netinet/tcp_fsm.h> 108 extern char *tcpstates[]; 109 /*#define TCPTIMERS*/ 110 #include <netinet/tcp_timer.h> 111 #include <netinet/tcp_var.h> 112 #include <netinet/tcp_debug.h> 113 #endif /*TCP6*/ 114 #include <netinet6/udp6.h> 115 #include <netinet6/udp6_var.h> 116 #include <netinet6/pim6_var.h> 117 #include <netinet6/raw_ip6.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 <kvm.h> 127 #include <stdio.h> 128 #include <stdlib.h> 129 #include <string.h> 130 #include <unistd.h> 131 #include "netstat.h" 132 133 #ifdef INET6 134 135 struct in6pcb in6pcb; 136 #ifdef TCP6 137 struct tcp6cb tcp6cb; 138 #else 139 struct tcpcb tcpcb; 140 #endif 141 struct socket sockb; 142 143 char *inet6name __P((struct in6_addr *)); 144 void inet6print __P((struct in6_addr *, int, char *)); 145 146 /* 147 * Print a summary of connections related to an Internet 148 * protocol. For TCP, also give state of connection. 149 * Listening processes (aflag) are suppressed unless the 150 * -a (all) flag is specified. 151 */ 152 static int width; 153 static int compact; 154 155 static void 156 ip6protoprhdr(void) 157 { 158 159 printf("Active Internet6 connections"); 160 161 if (aflag) 162 printf(" (including servers)"); 163 putchar('\n'); 164 165 if (Aflag) { 166 printf("%-8.8s ", "PCB"); 167 width = 18; 168 } 169 printf( "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 170 "Proto", "Recv-Q", "Send-Q", 171 -width, width, "Local Address", 172 -width, width, "Foreign Address", 173 "(state)"); 174 } 175 176 static void 177 ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, 178 struct in6_addr *laddr, u_int16_t lport, 179 struct in6_addr *faddr, u_int16_t fport, 180 short t_state, char *name) 181 { 182 static char *shorttcpstates[] = { 183 "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", 184 "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", 185 "LASTAK", "FWAIT2", "TMWAIT", 186 }; 187 int istcp; 188 189 istcp = strcmp(name, "tcp6") == 0; 190 if (Aflag) 191 printf("%8" PRIxPTR " ", ppcb); 192 193 printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, 194 compact ? "" : " "); 195 196 inet6print(laddr, (int)lport, name); 197 inet6print(faddr, (int)fport, name); 198 if (istcp) { 199 #ifdef TCP6 200 if (t_state < 0 || t_state >= TCP6_NSTATES) 201 printf(" %d", t_state); 202 else 203 printf(" %s", tcp6states[t_state]); 204 #else 205 if (t_state < 0 || t_state >= TCP_NSTATES) 206 printf(" %d", t_state); 207 else 208 printf(" %s", compact ? shorttcpstates[t_state] : 209 tcpstates[t_state]); 210 #endif 211 } 212 putchar('\n'); 213 214 } 215 216 217 void 218 ip6protopr(off, name) 219 u_long off; 220 char *name; 221 { 222 struct inpcbtable table; 223 struct in6pcb *head, *prev, *next; 224 int istcp; 225 static int first = 1; 226 227 if (off == 0) 228 return; 229 istcp = strcmp(name, "tcp6") == 0; 230 kread(off, (char *)&table, sizeof (table)); 231 head = prev = 232 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 233 next = (struct in6pcb *)table.inpt_queue.cqh_first; 234 235 compact = 0; 236 if (Aflag) { 237 if (!numeric_addr) 238 width = 18; 239 else { 240 width = 21; 241 compact = 1; 242 } 243 } else 244 width = 22; 245 246 if (use_sysctl) { 247 struct kinfo_pcb *pcblist; 248 int mib[8]; 249 size_t namelen = 0, size = 0, i; 250 char *mibname = NULL; 251 252 memset(mib, 0, sizeof(mib)); 253 254 if (asprintf(&mibname, "net.inet6.%s.pcblist", name) == -1) 255 err(1, "asprintf"); 256 257 /* get dynamic pcblist node */ 258 if (sysctlnametomib(mibname, mib, &namelen) == -1) 259 err(1, "sysctlnametomib"); 260 261 if (sysctl(mib, sizeof(mib) / sizeof(*mib), NULL, &size, 262 NULL, 0) == -1) 263 err(1, "sysctl (query)"); 264 265 pcblist = malloc(size); 266 memset(pcblist, 0, size); 267 268 mib[6] = sizeof(*pcblist); 269 mib[7] = size / sizeof(*pcblist); 270 271 if (sysctl(mib, sizeof(mib) / sizeof(*mib), pcblist, 272 &size, NULL, 0) == -1) 273 err(1, "sysctl (copy)"); 274 275 for (i = 0; i < size / sizeof(*pcblist); i++) { 276 struct sockaddr_in6 src, dst; 277 278 memcpy(&src, &pcblist[i].ki_s, sizeof(src)); 279 memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); 280 281 if (first) { 282 ip6protoprhdr(); 283 first = 0; 284 } 285 286 ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, 287 pcblist[i].ki_rcvq, pcblist[i].ki_sndq, 288 &src.sin6_addr, src.sin6_port, 289 &dst.sin6_addr, dst.sin6_port, 290 pcblist[i].ki_tstate, name); 291 } 292 293 free(pcblist); 294 return; 295 } 296 297 while (next != head) { 298 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 299 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 300 printf("???\n"); 301 break; 302 } 303 prev = next; 304 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 305 306 if (in6pcb.in6p_af != AF_INET6) 307 continue; 308 309 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) 310 continue; 311 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, 312 sizeof (sockb)); 313 if (istcp) { 314 #ifdef TCP6 315 kread((u_long)in6pcb.in6p_ppcb, 316 (char *)&tcp6cb, sizeof (tcp6cb)); 317 #else 318 kread((u_long)in6pcb.in6p_ppcb, 319 (char *)&tcpcb, sizeof (tcpcb)); 320 #endif 321 } 322 if (first) { 323 ip6protoprhdr(); 324 first = 0; 325 } 326 ip6protopr0(istcp ? (intptr_t) in6pcb.in6p_ppcb : 327 (intptr_t) prev, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc, 328 &in6pcb.in6p_laddr, in6pcb.in6p_lport, 329 &in6pcb.in6p_faddr, in6pcb.in6p_fport, 330 tcpcb.t_state, name); 331 332 } 333 } 334 335 #ifdef TCP6 336 /* 337 * Dump TCP6 statistics structure. 338 */ 339 void 340 tcp6_stats(off, name) 341 u_long off; 342 char *name; 343 { 344 struct tcp6stat tcp6stat; 345 346 if (use_sysctl) { 347 size_t size = sizeof(tcp6stat); 348 349 if (sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, 350 NULL, 0) == -1) 351 err(1, "net.inet6.tcp6.stats"); 352 } else { 353 if (off == 0) 354 return; 355 kread(off, (char *)&tcp6stat, sizeof (tcp6stat)); 356 } 357 358 printf ("%s:\n", name); 359 360 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 361 printf(m, tcp6stat.f, plural(tcp6stat.f)) 362 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 363 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 364 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 365 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 366 367 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 368 p2(tcp6s_sndpack,tcp6s_sndbyte, 369 "\t\t%ld data packet%s (%ld byte%s)\n"); 370 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 371 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 372 p2(tcp6s_sndacks, tcp6s_delack, 373 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 374 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 375 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 376 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 377 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 378 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 379 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 380 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 381 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 382 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 383 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 384 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 385 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 386 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 387 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 388 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 389 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 390 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 391 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 392 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 393 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 394 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 395 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 396 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 397 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 398 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 399 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 400 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 401 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 402 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 403 p2(tcp6s_closed, tcp6s_drops, 404 "\t%ld connection%s closed (including %ld drop%s)\n"); 405 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 406 p2(tcp6s_rttupdated, tcp6s_segstimed, 407 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 408 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 409 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 410 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 411 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 412 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 413 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 414 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 415 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 416 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 417 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 418 #undef p 419 #undef p2 420 #undef p3 421 } 422 #endif 423 424 /* 425 * Dump UDP6 statistics structure. 426 */ 427 void 428 udp6_stats(off, name) 429 u_long off; 430 char *name; 431 { 432 struct udp6stat udp6stat; 433 u_quad_t delivered; 434 435 if (off == 0) 436 return; 437 kread(off, (char *)&udp6stat, sizeof (udp6stat)); 438 printf("%s:\n", name); 439 #define p(f, m) if (udp6stat.f || sflag <= 1) \ 440 printf(m, (unsigned long long)udp6stat.f, plural(udp6stat.f)) 441 #define p1(f, m) if (udp6stat.f || sflag <= 1) \ 442 printf(m, (unsigned long long)udp6stat.f) 443 p(udp6s_ipackets, "\t%llu datagram%s received\n"); 444 p1(udp6s_hdrops, "\t%llu with incomplete header\n"); 445 p1(udp6s_badlen, "\t%llu with bad data length field\n"); 446 p1(udp6s_badsum, "\t%llu with bad checksum\n"); 447 p1(udp6s_nosum, "\t%llu with no checksum\n"); 448 p1(udp6s_noport, "\t%llu dropped due to no socket\n"); 449 p(udp6s_noportmcast, 450 "\t%llu multicast datagram%s dropped due to no socket\n"); 451 p1(udp6s_fullsock, "\t%llu dropped due to full socket buffers\n"); 452 delivered = udp6stat.udp6s_ipackets - 453 udp6stat.udp6s_hdrops - 454 udp6stat.udp6s_badlen - 455 udp6stat.udp6s_badsum - 456 udp6stat.udp6s_noport - 457 udp6stat.udp6s_noportmcast - 458 udp6stat.udp6s_fullsock; 459 if (delivered || sflag <= 1) 460 printf("\t%llu delivered\n", (unsigned long long)delivered); 461 p(udp6s_opackets, "\t%llu datagram%s output\n"); 462 #undef p 463 #undef p1 464 } 465 466 static char *ip6nh[] = { 467 /*0*/ "hop by hop", 468 "ICMP", 469 "IGMP", 470 NULL, 471 "IP", 472 /*5*/ NULL, 473 "TCP", 474 NULL, 475 NULL, 476 NULL, 477 /*10*/ NULL, NULL, NULL, NULL, NULL, 478 /*15*/ NULL, 479 NULL, 480 "UDP", 481 NULL, 482 NULL, 483 /*20*/ NULL, 484 NULL, 485 "IDP", 486 NULL, 487 NULL, 488 /*25*/ NULL, 489 NULL, 490 NULL, 491 NULL, 492 "TP", 493 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 494 /*40*/ NULL, 495 "IP6", 496 NULL, 497 "routing", 498 "fragment", 499 /*45*/ NULL, NULL, NULL, NULL, NULL, 500 /*50*/ "ESP", 501 "AH", 502 NULL, 503 NULL, 504 NULL, 505 /*55*/ NULL, 506 NULL, 507 NULL, 508 "ICMP6", 509 "no next header", 510 /*60*/ "destination option", 511 NULL, 512 NULL, 513 NULL, 514 NULL, 515 /*65*/ NULL, NULL, NULL, NULL, NULL, 516 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 517 /*80*/ "ISOIP", 518 NULL, 519 NULL, 520 NULL, 521 NULL, 522 NULL, 523 NULL, 524 NULL, 525 NULL, 526 "OSPF", 527 /*90*/ NULL, NULL, NULL, NULL, NULL, 528 /*95*/ NULL, 529 NULL, 530 "Ethernet", 531 NULL, 532 NULL, 533 /*100*/ NULL, 534 NULL, 535 NULL, 536 "PIM", 537 NULL, 538 /*105*/ NULL, NULL, NULL, NULL, NULL, 539 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 540 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 541 /*130*/ NULL, 542 NULL, 543 "SCTP", 544 NULL, 545 NULL, 546 /*135*/ NULL, NULL, NULL, NULL, NULL, 547 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 548 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 549 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 550 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 551 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 552 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 553 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 554 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 555 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 556 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 557 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 558 NULL, NULL, NULL, NULL, NULL, NULL, 559 }; 560 561 /* 562 * Dump IP6 statistics structure. 563 */ 564 void 565 ip6_stats(off, name) 566 u_long off; 567 char *name; 568 { 569 struct ip6stat ip6stat; 570 int first, i; 571 struct protoent *ep; 572 const char *n; 573 574 if (off == 0) 575 return; 576 577 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 578 printf("%s:\n", name); 579 580 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 581 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 582 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 583 printf(m, (unsigned long long)ip6stat.f) 584 585 p(ip6s_total, "\t%llu total packet%s received\n"); 586 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 587 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 588 p1(ip6s_badoptions, "\t%llu with bad options\n"); 589 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 590 p(ip6s_fragments, "\t%llu fragment%s received\n"); 591 p(ip6s_fragdropped, 592 "\t%llu fragment%s dropped (dup or out of space)\n"); 593 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 594 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 595 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 596 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 597 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 598 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 599 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 600 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 601 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 602 p(ip6s_odropped, 603 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 604 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 605 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 606 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 607 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 608 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 609 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 610 for (first = 1, i = 0; i < 256; i++) 611 if (ip6stat.ip6s_nxthist[i] != 0) { 612 if (first) { 613 printf("\tInput packet histogram:\n"); 614 first = 0; 615 } 616 n = NULL; 617 if (ip6nh[i]) 618 n = ip6nh[i]; 619 else if ((ep = getprotobynumber(i)) != NULL) 620 n = ep->p_name; 621 if (n) 622 printf("\t\t%s: %llu\n", n, 623 (unsigned long long)ip6stat.ip6s_nxthist[i]); 624 else 625 printf("\t\t#%d: %llu\n", i, 626 (unsigned long long)ip6stat.ip6s_nxthist[i]); 627 } 628 printf("\tMbuf statistics:\n"); 629 p(ip6s_m1, "\t\t%llu one mbuf%s\n"); 630 for (first = 1, i = 0; i < 32; i++) { 631 char ifbuf[IFNAMSIZ]; 632 if (ip6stat.ip6s_m2m[i] != 0) { 633 if (first) { 634 printf("\t\ttwo or more mbuf:\n"); 635 first = 0; 636 } 637 printf("\t\t\t%s = %llu\n", 638 if_indextoname(i, ifbuf), 639 (unsigned long long)ip6stat.ip6s_m2m[i]); 640 } 641 } 642 p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); 643 p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); 644 p(ip6s_exthdrtoolong, 645 "\t%llu packet%s whose headers are not continuous\n"); 646 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 647 p(ip6s_toomanyhdr, 648 "\t%llu packet%s discarded due to too many headers\n"); 649 650 /* for debugging source address selection */ 651 #define PRINT_SCOPESTAT(s,i) do {\ 652 switch(i) { /* XXX hardcoding in each case */\ 653 case 1:\ 654 p(s, "\t\t%llu node-local%s\n");\ 655 break;\ 656 case 2:\ 657 p(s, "\t\t%llu link-local%s\n");\ 658 break;\ 659 case 5:\ 660 p(s, "\t\t%llu site-local%s\n");\ 661 break;\ 662 case 14:\ 663 p(s, "\t\t%llu global%s\n");\ 664 break;\ 665 default:\ 666 printf("\t\t%llu addresses scope=%x\n",\ 667 (unsigned long long)ip6stat.s, i);\ 668 }\ 669 } while(0); 670 671 p(ip6s_sources_none, 672 "\t%llu failure%s of source address selection\n"); 673 for (first = 1, i = 0; i < 16; i++) { 674 if (ip6stat.ip6s_sources_sameif[i]) { 675 if (first) { 676 printf("\tsource addresses on an outgoing I/F\n"); 677 first = 0; 678 } 679 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 680 } 681 } 682 for (first = 1, i = 0; i < 16; i++) { 683 if (ip6stat.ip6s_sources_otherif[i]) { 684 if (first) { 685 printf("\tsource addresses on a non-outgoing I/F\n"); 686 first = 0; 687 } 688 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 689 } 690 } 691 for (first = 1, i = 0; i < 16; i++) { 692 if (ip6stat.ip6s_sources_samescope[i]) { 693 if (first) { 694 printf("\tsource addresses of same scope\n"); 695 first = 0; 696 } 697 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 698 } 699 } 700 for (first = 1, i = 0; i < 16; i++) { 701 if (ip6stat.ip6s_sources_otherscope[i]) { 702 if (first) { 703 printf("\tsource addresses of a different scope\n"); 704 first = 0; 705 } 706 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 707 } 708 } 709 for (first = 1, i = 0; i < 16; i++) { 710 if (ip6stat.ip6s_sources_deprecated[i]) { 711 if (first) { 712 printf("\tdeprecated source addresses\n"); 713 first = 0; 714 } 715 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 716 } 717 } 718 719 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 720 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 721 #undef p 722 #undef p1 723 } 724 725 /* 726 * Dump IPv6 per-interface statistics based on RFC 2465. 727 */ 728 void 729 ip6_ifstats(ifname) 730 char *ifname; 731 { 732 struct in6_ifreq ifr; 733 int s; 734 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 735 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 736 plural(ifr.ifr_ifru.ifru_stat.f)) 737 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 738 printf(m, (unsigned long long)ip6stat.f) 739 740 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 741 perror("Warning: socket(AF_INET6)"); 742 return; 743 } 744 745 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 746 printf("ip6 on %s:\n", ifname); 747 748 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 749 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 750 goto end; 751 } 752 753 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 754 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 755 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 756 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 757 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 758 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 759 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 760 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 761 p(ifs6_in_deliver, 762 "\t%llu datagram%s delivered to an upper layer protocol\n"); 763 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 764 p(ifs6_out_request, 765 "\t%llu datagram%s sent from an upper layer protocol\n"); 766 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 767 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 768 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 769 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 770 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 771 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 772 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 773 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 774 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 775 776 end: 777 close(s); 778 779 #undef p 780 #undef p_5 781 } 782 783 static char *icmp6names[] = { 784 "#0", 785 "unreach", 786 "packet too big", 787 "time exceed", 788 "parameter problem", 789 "#5", 790 "#6", 791 "#7", 792 "#8", 793 "#9", 794 "#10", 795 "#11", 796 "#12", 797 "#13", 798 "#14", 799 "#15", 800 "#16", 801 "#17", 802 "#18", 803 "#19", 804 "#20", 805 "#21", 806 "#22", 807 "#23", 808 "#24", 809 "#25", 810 "#26", 811 "#27", 812 "#28", 813 "#29", 814 "#30", 815 "#31", 816 "#32", 817 "#33", 818 "#34", 819 "#35", 820 "#36", 821 "#37", 822 "#38", 823 "#39", 824 "#40", 825 "#41", 826 "#42", 827 "#43", 828 "#44", 829 "#45", 830 "#46", 831 "#47", 832 "#48", 833 "#49", 834 "#50", 835 "#51", 836 "#52", 837 "#53", 838 "#54", 839 "#55", 840 "#56", 841 "#57", 842 "#58", 843 "#59", 844 "#60", 845 "#61", 846 "#62", 847 "#63", 848 "#64", 849 "#65", 850 "#66", 851 "#67", 852 "#68", 853 "#69", 854 "#70", 855 "#71", 856 "#72", 857 "#73", 858 "#74", 859 "#75", 860 "#76", 861 "#77", 862 "#78", 863 "#79", 864 "#80", 865 "#81", 866 "#82", 867 "#83", 868 "#84", 869 "#85", 870 "#86", 871 "#87", 872 "#88", 873 "#89", 874 "#80", 875 "#91", 876 "#92", 877 "#93", 878 "#94", 879 "#95", 880 "#96", 881 "#97", 882 "#98", 883 "#99", 884 "#100", 885 "#101", 886 "#102", 887 "#103", 888 "#104", 889 "#105", 890 "#106", 891 "#107", 892 "#108", 893 "#109", 894 "#110", 895 "#111", 896 "#112", 897 "#113", 898 "#114", 899 "#115", 900 "#116", 901 "#117", 902 "#118", 903 "#119", 904 "#120", 905 "#121", 906 "#122", 907 "#123", 908 "#124", 909 "#125", 910 "#126", 911 "#127", 912 "echo", 913 "echo reply", 914 "multicast listener query", 915 "multicast listener report", 916 "multicast listener done", 917 "router solicitation", 918 "router advertisement", 919 "neighbor solicitation", 920 "neighbor advertisement", 921 "redirect", 922 "router renumbering", 923 "node information request", 924 "node information reply", 925 "#141", 926 "#142", 927 "#143", 928 "#144", 929 "#145", 930 "#146", 931 "#147", 932 "#148", 933 "#149", 934 "#150", 935 "#151", 936 "#152", 937 "#153", 938 "#154", 939 "#155", 940 "#156", 941 "#157", 942 "#158", 943 "#159", 944 "#160", 945 "#161", 946 "#162", 947 "#163", 948 "#164", 949 "#165", 950 "#166", 951 "#167", 952 "#168", 953 "#169", 954 "#170", 955 "#171", 956 "#172", 957 "#173", 958 "#174", 959 "#175", 960 "#176", 961 "#177", 962 "#178", 963 "#179", 964 "#180", 965 "#181", 966 "#182", 967 "#183", 968 "#184", 969 "#185", 970 "#186", 971 "#187", 972 "#188", 973 "#189", 974 "#180", 975 "#191", 976 "#192", 977 "#193", 978 "#194", 979 "#195", 980 "#196", 981 "#197", 982 "#198", 983 "#199", 984 "#200", 985 "#201", 986 "#202", 987 "#203", 988 "#204", 989 "#205", 990 "#206", 991 "#207", 992 "#208", 993 "#209", 994 "#210", 995 "#211", 996 "#212", 997 "#213", 998 "#214", 999 "#215", 1000 "#216", 1001 "#217", 1002 "#218", 1003 "#219", 1004 "#220", 1005 "#221", 1006 "#222", 1007 "#223", 1008 "#224", 1009 "#225", 1010 "#226", 1011 "#227", 1012 "#228", 1013 "#229", 1014 "#230", 1015 "#231", 1016 "#232", 1017 "#233", 1018 "#234", 1019 "#235", 1020 "#236", 1021 "#237", 1022 "#238", 1023 "#239", 1024 "#240", 1025 "#241", 1026 "#242", 1027 "#243", 1028 "#244", 1029 "#245", 1030 "#246", 1031 "#247", 1032 "#248", 1033 "#249", 1034 "#250", 1035 "#251", 1036 "#252", 1037 "#253", 1038 "#254", 1039 "#255", 1040 }; 1041 1042 /* 1043 * Dump ICMPv6 statistics. 1044 */ 1045 void 1046 icmp6_stats(off, name) 1047 u_long off; 1048 char *name; 1049 { 1050 struct icmp6stat icmp6stat; 1051 register int i, first; 1052 1053 if (use_sysctl) { 1054 size_t size = sizeof(icmp6stat); 1055 1056 if (sysctlbyname("net.inet6.icmp6.stats", &icmp6stat, &size, 1057 NULL, 0) == -1) 1058 err(1, "net.inet6.icmp6.stats"); 1059 } else { 1060 if (off == 0) 1061 return; 1062 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 1063 } 1064 1065 printf("%s:\n", name); 1066 1067 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 1068 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 1069 #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 1070 printf(m, (unsigned long long)icmp6stat.f) 1071 1072 p(icp6s_error, "\t%llu call%s to icmp6_error\n"); 1073 p(icp6s_canterror, 1074 "\t%llu error%s not generated because old message was icmp6 or so\n"); 1075 p(icp6s_toofreq, 1076 "\t%llu error%s not generated because of rate limitation\n"); 1077 for (first = 1, i = 0; i < 256; i++) 1078 if (icmp6stat.icp6s_outhist[i] != 0) { 1079 if (first) { 1080 printf("\tOutput packet histogram:\n"); 1081 first = 0; 1082 } 1083 printf("\t\t%s: %llu\n", icmp6names[i], 1084 (unsigned long long)icmp6stat.icp6s_outhist[i]); 1085 } 1086 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 1087 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 1088 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 1089 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 1090 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 1091 if (icmp6stat.icp6s_inhist[i] != 0) { 1092 if (first) { 1093 printf("\tInput packet histogram:\n"); 1094 first = 0; 1095 } 1096 printf("\t\t%s: %llu\n", icmp6names[i], 1097 (unsigned long long)icmp6stat.icp6s_inhist[i]); 1098 } 1099 printf("\tHistogram of error messages to be generated:\n"); 1100 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 1101 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 1102 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 1103 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 1104 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 1105 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 1106 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 1107 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 1108 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 1109 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 1110 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 1111 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 1112 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 1113 1114 p(icp6s_reflect, "\t%llu message response%s generated\n"); 1115 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 1116 p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); 1117 p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); 1118 p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); 1119 p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); 1120 p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); 1121 p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); 1122 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 1123 #undef p 1124 #undef p_5 1125 } 1126 1127 /* 1128 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1129 */ 1130 void 1131 icmp6_ifstats(ifname) 1132 char *ifname; 1133 { 1134 struct in6_ifreq ifr; 1135 int s; 1136 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1137 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1138 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1139 1140 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1141 perror("Warning: socket(AF_INET6)"); 1142 return; 1143 } 1144 1145 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1146 printf("icmp6 on %s:\n", ifname); 1147 1148 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1149 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1150 goto end; 1151 } 1152 1153 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1154 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1155 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1156 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1157 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1158 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1159 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1160 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1161 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1162 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1163 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1164 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1165 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1166 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1167 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1168 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1169 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1170 1171 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1172 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1173 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1174 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1175 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1176 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1177 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1178 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1179 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1180 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1181 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1182 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1183 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1184 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1185 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1186 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1187 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1188 1189 end: 1190 close(s); 1191 #undef p 1192 } 1193 1194 /* 1195 * Dump PIM statistics structure. 1196 */ 1197 void 1198 pim6_stats(off, name) 1199 u_long off; 1200 char *name; 1201 { 1202 struct pim6stat pim6stat; 1203 1204 if (off == 0) 1205 return; 1206 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1207 printf("%s:\n", name); 1208 1209 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1210 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1211 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1212 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1213 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1214 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1215 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1216 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1217 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1218 #undef p 1219 } 1220 1221 /* 1222 * Dump raw ip6 statistics structure. 1223 */ 1224 void 1225 rip6_stats(off, name) 1226 u_long off; 1227 char *name; 1228 { 1229 struct rip6stat rip6stat; 1230 u_quad_t delivered; 1231 1232 if (off == 0) 1233 return; 1234 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 1235 printf("%s:\n", name); 1236 1237 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1238 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1239 p(rip6s_ipackets, "\t%llu message%s received\n"); 1240 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1241 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1242 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1243 p(rip6s_nosockmcast, 1244 "\t%llu multicast message%s dropped due to no socket\n"); 1245 p(rip6s_fullsock, 1246 "\t%llu message%s dropped due to full socket buffers\n"); 1247 delivered = rip6stat.rip6s_ipackets - 1248 rip6stat.rip6s_badsum - 1249 rip6stat.rip6s_nosock - 1250 rip6stat.rip6s_nosockmcast - 1251 rip6stat.rip6s_fullsock; 1252 if (delivered || sflag <= 1) 1253 printf("\t%llu delivered\n", (unsigned long long)delivered); 1254 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1255 #undef p 1256 } 1257 1258 /* 1259 * Pretty print an Internet address (net address + port). 1260 * Take numeric_addr and numeric_port into consideration. 1261 */ 1262 void 1263 inet6print(in6, port, proto) 1264 register struct in6_addr *in6; 1265 int port; 1266 char *proto; 1267 { 1268 #define GETSERVBYPORT6(port, proto, ret)\ 1269 do {\ 1270 if (strcmp((proto), "tcp6") == 0)\ 1271 (ret) = getservbyport((int)(port), "tcp");\ 1272 else if (strcmp((proto), "udp6") == 0)\ 1273 (ret) = getservbyport((int)(port), "udp");\ 1274 else\ 1275 (ret) = getservbyport((int)(port), (proto));\ 1276 } while (0) 1277 struct servent *sp = 0; 1278 char line[80], *cp; 1279 int width; 1280 1281 width = Aflag ? 12 : 16; 1282 if (vflag && width < strlen(inet6name(in6))) 1283 width = strlen(inet6name(in6)); 1284 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1285 cp = strchr(line, '\0'); 1286 if (!numeric_port && port) 1287 GETSERVBYPORT6(port, proto, sp); 1288 if (sp || port == 0) 1289 snprintf(cp, sizeof(line) - (cp - line), 1290 "%s", sp ? sp->s_name : "*"); 1291 else 1292 snprintf(cp, sizeof(line) - (cp - line), 1293 "%d", ntohs((u_short)port)); 1294 width = Aflag ? 18 : 22; 1295 if (vflag && width < strlen(line)) 1296 width = strlen(line); 1297 printf(" %-*.*s", width, width, line); 1298 } 1299 1300 /* 1301 * Construct an Internet address representation. 1302 * If the numeric_addr has been supplied, give 1303 * numeric value, otherwise try for symbolic name. 1304 */ 1305 1306 char * 1307 inet6name(in6p) 1308 struct in6_addr *in6p; 1309 { 1310 register char *cp; 1311 static char line[NI_MAXHOST]; 1312 struct hostent *hp; 1313 static char domain[MAXHOSTNAMELEN + 1]; 1314 static int first = 1; 1315 char hbuf[NI_MAXHOST]; 1316 struct sockaddr_in6 sin6; 1317 const int niflag = NI_NUMERICHOST; 1318 1319 if (first && !numeric_addr) { 1320 first = 0; 1321 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1322 (cp = strchr(domain, '.'))) 1323 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1324 else 1325 domain[0] = 0; 1326 } 1327 cp = 0; 1328 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1329 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1330 if (hp) { 1331 if ((cp = strchr(hp->h_name, '.')) && 1332 !strcmp(cp + 1, domain)) 1333 *cp = 0; 1334 cp = hp->h_name; 1335 } 1336 } 1337 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1338 strlcpy(line, "*", sizeof(line)); 1339 else if (cp) 1340 strlcpy(line, cp, sizeof(line)); 1341 else { 1342 memset(&sin6, 0, sizeof(sin6)); 1343 sin6.sin6_len = sizeof(sin6); 1344 sin6.sin6_family = AF_INET6; 1345 sin6.sin6_addr = *in6p; 1346 #ifdef __KAME__ 1347 if (IN6_IS_ADDR_LINKLOCAL(in6p) || 1348 IN6_IS_ADDR_MC_LINKLOCAL(in6p)) { 1349 sin6.sin6_scope_id = 1350 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1351 sin6.sin6_addr.s6_addr[2] = 0; 1352 sin6.sin6_addr.s6_addr[3] = 0; 1353 } 1354 #endif 1355 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1356 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1357 strlcpy(hbuf, "?", sizeof(hbuf)); 1358 strlcpy(line, hbuf, sizeof(line)); 1359 } 1360 return (line); 1361 } 1362 1363 #ifdef TCP6 1364 /* 1365 * Dump the contents of a TCP6 PCB. 1366 */ 1367 void 1368 tcp6_dump(pcbaddr) 1369 u_long pcbaddr; 1370 { 1371 struct tcp6cb tcp6cb; 1372 int i; 1373 1374 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1375 1376 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1377 1378 printf("Timers:\n"); 1379 for (i = 0; i < TCP6T_NTIMERS; i++) 1380 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1381 printf("\n\n"); 1382 1383 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1384 printf("State: %d", tcp6cb.t_state); 1385 else 1386 printf("State: %s", tcp6states[tcp6cb.t_state]); 1387 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1388 (u_long)tcp6cb.t_in6pcb); 1389 1390 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1391 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1392 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1393 tcp6cb.t_maxseg, tcp6cb.t_force); 1394 1395 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1396 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1397 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1398 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1399 (unsigned long long)tcp6cb.snd_wnd); 1400 1401 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1402 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1403 tcp6cb.rcv_up, tcp6cb.irs); 1404 1405 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1406 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1407 (unsigned long long)tcp6cb.snd_ssthresh); 1408 1409 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1410 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1411 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1412 (unsigned long long)tcp6cb.max_sndwnd); 1413 1414 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1415 tcp6cb.t_iobc, tcp6cb.t_softerror); 1416 1417 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1418 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1419 tcp6cb.requested_s_scale); 1420 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1421 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1422 } 1423 #endif 1424 1425 #endif /*INET6*/ 1426
Indexes created Wed Sep 24 22:09:59 GMT 2025