inet6.c revision 1.29
1 /* $NetBSD: inet6.c,v 1.29 2003/09/04 09:23:39 itojun 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 1.29 2003/09/04 09:23:39 itojun 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 78 #include <net/route.h> 79 #include <net/if.h> 80 #include <netinet/in.h> 81 #include <netinet/ip6.h> 82 #include <netinet/icmp6.h> 83 #include <netinet/in_systm.h> 84 #ifndef TCP6 85 #include <netinet/ip.h> 86 #include <netinet/ip_var.h> 87 #endif 88 #include <netinet6/ip6_var.h> 89 #include <netinet6/in6_pcb.h> 90 #include <netinet6/in6_var.h> 91 #include <netinet6/ip6_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 char *tcpstates[]; 108 /*#define TCPTIMERS*/ 109 #include <netinet/tcp_timer.h> 110 #include <netinet/tcp_var.h> 111 #include <netinet/tcp_debug.h> 112 #endif /*TCP6*/ 113 #include <netinet6/udp6.h> 114 #include <netinet6/udp6_var.h> 115 #include <netinet6/pim6_var.h> 116 #include <netinet6/raw_ip6.h> 117 118 #include <arpa/inet.h> 119 #if 0 120 #include "gethostbyname2.h" 121 #endif 122 #include <netdb.h> 123 124 #include <stdio.h> 125 #include <string.h> 126 #include <unistd.h> 127 #include "netstat.h" 128 129 #ifdef INET6 130 131 struct in6pcb in6pcb; 132 #ifdef TCP6 133 struct tcp6cb tcp6cb; 134 #else 135 struct tcpcb tcpcb; 136 #endif 137 struct socket sockb; 138 139 char *inet6name __P((struct in6_addr *)); 140 void inet6print __P((struct in6_addr *, int, char *)); 141 142 /* 143 * Print a summary of connections related to an Internet 144 * protocol. For TCP, also give state of connection. 145 * Listening processes (aflag) are suppressed unless the 146 * -a (all) flag is specified. 147 */ 148 void 149 ip6protopr(off, name) 150 u_long off; 151 char *name; 152 { 153 struct inpcbtable table; 154 struct in6pcb *head, *prev, *next; 155 int istcp; 156 static int first = 1; 157 int width = 22; 158 159 if (off == 0) 160 return; 161 istcp = strcmp(name, "tcp6") == 0; 162 kread(off, (char *)&table, sizeof (table)); 163 head = prev = 164 (struct in6pcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first; 165 next = (struct in6pcb *)table.inpt_queue.cqh_first; 166 while (next != head) { 167 kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); 168 if ((struct in6pcb *)in6pcb.in6p_queue.cqe_prev != prev) { 169 printf("???\n"); 170 break; 171 } 172 prev = next; 173 next = (struct in6pcb *)in6pcb.in6p_queue.cqe_next; 174 175 if (in6pcb.in6p_af != AF_INET6) 176 continue; 177 178 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) { 179 prev = next; 180 continue; 181 } 182 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, sizeof (sockb)); 183 if (istcp) { 184 #ifdef TCP6 185 kread((u_long)in6pcb.in6p_ppcb, 186 (char *)&tcp6cb, sizeof (tcp6cb)); 187 #else 188 kread((u_long)in6pcb.in6p_ppcb, 189 (char *)&tcpcb, sizeof (tcpcb)); 190 #endif 191 } 192 if (first) { 193 printf("Active Internet6 connections"); 194 if (aflag) 195 printf(" (including servers)"); 196 putchar('\n'); 197 if (Aflag) { 198 printf("%-8.8s ", "PCB"); 199 width = 18; 200 } 201 printf( "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 202 "Proto", "Recv-Q", "Send-Q", 203 -width, width, "Local Address", 204 -width, width, "Foreign Address", 205 "(state)"); 206 first = 0; 207 } 208 if (Aflag) { 209 if (istcp) 210 printf("%8lx ", (u_long) in6pcb.in6p_ppcb); 211 else 212 printf("%8lx ", (u_long) next); 213 } 214 printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc, 215 sockb.so_snd.sb_cc); 216 /* xxx */ 217 inet6print(&in6pcb.in6p_laddr, (int)in6pcb.in6p_lport, name); 218 inet6print(&in6pcb.in6p_faddr, (int)in6pcb.in6p_fport, name); 219 if (istcp) { 220 #ifdef TCP6 221 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 222 printf(" %d", tcp6cb.t_state); 223 else 224 printf(" %s", tcp6states[tcp6cb.t_state]); 225 #else 226 if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES) 227 printf(" %d", tcpcb.t_state); 228 else 229 printf(" %s", tcpstates[tcpcb.t_state]); 230 #endif 231 } 232 putchar('\n'); 233 } 234 } 235 236 #ifdef TCP6 237 /* 238 * Dump TCP6 statistics structure. 239 */ 240 void 241 tcp6_stats(off, name) 242 u_long off; 243 char *name; 244 { 245 struct tcp6stat tcp6stat; 246 247 if (off == 0) 248 return; 249 printf ("%s:\n", name); 250 kread(off, (char *)&tcp6stat, sizeof (tcp6stat)); 251 252 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 253 printf(m, tcp6stat.f, plural(tcp6stat.f)) 254 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 255 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 256 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 257 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 258 259 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 260 p2(tcp6s_sndpack,tcp6s_sndbyte, 261 "\t\t%ld data packet%s (%ld byte%s)\n"); 262 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 263 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 264 p2(tcp6s_sndacks, tcp6s_delack, 265 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 266 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 267 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 268 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 269 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 270 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 271 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 272 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 273 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 274 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 275 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 276 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 277 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 278 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 279 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 280 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 281 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 282 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 283 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 284 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 285 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 286 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 287 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 288 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 289 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 290 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 291 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 292 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 293 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 294 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 295 p2(tcp6s_closed, tcp6s_drops, 296 "\t%ld connection%s closed (including %ld drop%s)\n"); 297 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 298 p2(tcp6s_rttupdated, tcp6s_segstimed, 299 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 300 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 301 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 302 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 303 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 304 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 305 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 306 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 307 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 308 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 309 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 310 #undef p 311 #undef p2 312 #undef p3 313 } 314 #endif 315 316 /* 317 * Dump UDP6 statistics structure. 318 */ 319 void 320 udp6_stats(off, name) 321 u_long off; 322 char *name; 323 { 324 struct udp6stat udp6stat; 325 u_quad_t delivered; 326 327 if (off == 0) 328 return; 329 kread(off, (char *)&udp6stat, sizeof (udp6stat)); 330 printf("%s:\n", name); 331 #define p(f, m) if (udp6stat.f || sflag <= 1) \ 332 printf(m, (unsigned long long)udp6stat.f, plural(udp6stat.f)) 333 #define p1(f, m) if (udp6stat.f || sflag <= 1) \ 334 printf(m, (unsigned long long)udp6stat.f) 335 p(udp6s_ipackets, "\t%llu datagram%s received\n"); 336 p1(udp6s_hdrops, "\t%llu with incomplete header\n"); 337 p1(udp6s_badlen, "\t%llu with bad data length field\n"); 338 p1(udp6s_badsum, "\t%llu with bad checksum\n"); 339 p1(udp6s_nosum, "\t%llu with no checksum\n"); 340 p1(udp6s_noport, "\t%llu dropped due to no socket\n"); 341 p(udp6s_noportmcast, 342 "\t%llu multicast datagram%s dropped due to no socket\n"); 343 p1(udp6s_fullsock, "\t%llu dropped due to full socket buffers\n"); 344 delivered = udp6stat.udp6s_ipackets - 345 udp6stat.udp6s_hdrops - 346 udp6stat.udp6s_badlen - 347 udp6stat.udp6s_badsum - 348 udp6stat.udp6s_noport - 349 udp6stat.udp6s_noportmcast - 350 udp6stat.udp6s_fullsock; 351 if (delivered || sflag <= 1) 352 printf("\t%llu delivered\n", (unsigned long long)delivered); 353 p(udp6s_opackets, "\t%llu datagram%s output\n"); 354 #undef p 355 #undef p1 356 } 357 358 static char *ip6nh[] = { 359 /*0*/ "hop by hop", 360 "ICMP", 361 "IGMP", 362 NULL, 363 "IP", 364 /*5*/ NULL, 365 "TCP", 366 NULL, 367 NULL, 368 NULL, 369 /*10*/ NULL, NULL, NULL, NULL, NULL, 370 /*15*/ NULL, 371 NULL, 372 "UDP", 373 NULL, 374 NULL, 375 /*20*/ NULL, 376 NULL, 377 "IDP", 378 NULL, 379 NULL, 380 /*25*/ NULL, 381 NULL, 382 NULL, 383 NULL, 384 "TP", 385 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 386 /*40*/ NULL, 387 "IP6", 388 NULL, 389 "routing", 390 "fragment", 391 /*45*/ NULL, NULL, NULL, NULL, NULL, 392 /*50*/ "ESP", 393 "AH", 394 NULL, 395 NULL, 396 NULL, 397 /*55*/ NULL, 398 NULL, 399 NULL, 400 "ICMP6", 401 "no next header", 402 /*60*/ "destination option", 403 NULL, 404 NULL, 405 NULL, 406 NULL, 407 /*65*/ NULL, NULL, NULL, NULL, NULL, 408 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 409 /*80*/ "ISOIP", 410 NULL, 411 NULL, 412 NULL, 413 NULL, 414 NULL, 415 NULL, 416 NULL, 417 NULL, 418 "OSPF", 419 /*90*/ NULL, NULL, NULL, NULL, NULL, 420 /*95*/ NULL, 421 NULL, 422 "Ethernet", 423 NULL, 424 NULL, 425 /*100*/ NULL, 426 NULL, 427 NULL, 428 "PIM", 429 NULL, 430 /*105*/ NULL, NULL, NULL, NULL, NULL, 431 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 432 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 433 /*130*/ NULL, 434 NULL, 435 "SCTP", 436 NULL, 437 NULL, 438 /*135*/ NULL, NULL, NULL, NULL, NULL, 439 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 440 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 441 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 442 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 443 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 444 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 445 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 446 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 447 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 448 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 449 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 450 NULL, NULL, NULL, NULL, NULL, NULL, 451 }; 452 453 /* 454 * Dump IP6 statistics structure. 455 */ 456 void 457 ip6_stats(off, name) 458 u_long off; 459 char *name; 460 { 461 struct ip6stat ip6stat; 462 int first, i; 463 struct protoent *ep; 464 const char *n; 465 466 if (off == 0) 467 return; 468 469 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 470 printf("%s:\n", name); 471 472 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 473 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 474 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 475 printf(m, (unsigned long long)ip6stat.f) 476 477 p(ip6s_total, "\t%llu total packet%s received\n"); 478 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 479 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 480 p1(ip6s_badoptions, "\t%llu with bad options\n"); 481 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 482 p(ip6s_fragments, "\t%llu fragment%s received\n"); 483 p(ip6s_fragdropped, 484 "\t%llu fragment%s dropped (dup or out of space)\n"); 485 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 486 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 487 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 488 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 489 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 490 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 491 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 492 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 493 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 494 p(ip6s_odropped, 495 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 496 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 497 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 498 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 499 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 500 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 501 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 502 for (first = 1, i = 0; i < 256; i++) 503 if (ip6stat.ip6s_nxthist[i] != 0) { 504 if (first) { 505 printf("\tInput packet histogram:\n"); 506 first = 0; 507 } 508 n = NULL; 509 if (ip6nh[i]) 510 n = ip6nh[i]; 511 else if ((ep = getprotobynumber(i)) != NULL) 512 n = ep->p_name; 513 if (n) 514 printf("\t\t%s: %llu\n", n, 515 (unsigned long long)ip6stat.ip6s_nxthist[i]); 516 else 517 printf("\t\t#%d: %llu\n", i, 518 (unsigned long long)ip6stat.ip6s_nxthist[i]); 519 } 520 printf("\tMbuf statistics:\n"); 521 p(ip6s_m1, "\t\t%llu one mbuf%s\n"); 522 for (first = 1, i = 0; i < 32; i++) { 523 char ifbuf[IFNAMSIZ]; 524 if (ip6stat.ip6s_m2m[i] != 0) { 525 if (first) { 526 printf("\t\ttwo or more mbuf:\n"); 527 first = 0; 528 } 529 printf("\t\t\t%s = %llu\n", 530 if_indextoname(i, ifbuf), 531 (unsigned long long)ip6stat.ip6s_m2m[i]); 532 } 533 } 534 p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); 535 p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); 536 p(ip6s_exthdrtoolong, 537 "\t%llu packet%s whose headers are not continuous\n"); 538 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 539 p(ip6s_toomanyhdr, 540 "\t%llu packet%s discarded due to too many headers\n"); 541 542 /* for debugging source address selection */ 543 #define PRINT_SCOPESTAT(s,i) do {\ 544 switch(i) { /* XXX hardcoding in each case */\ 545 case 1:\ 546 p(s, "\t\t%llu node-local%s\n");\ 547 break;\ 548 case 2:\ 549 p(s, "\t\t%llu link-local%s\n");\ 550 break;\ 551 case 5:\ 552 p(s, "\t\t%llu site-local%s\n");\ 553 break;\ 554 case 14:\ 555 p(s, "\t\t%llu global%s\n");\ 556 break;\ 557 default:\ 558 printf("\t\t%llu addresses scope=%x\n",\ 559 (unsigned long long)ip6stat.s, i);\ 560 }\ 561 } while(0); 562 563 p(ip6s_sources_none, 564 "\t%llu failure%s of source address selection\n"); 565 for (first = 1, i = 0; i < 16; i++) { 566 if (ip6stat.ip6s_sources_sameif[i]) { 567 if (first) { 568 printf("\tsource addresses on an outgoing I/F\n"); 569 first = 0; 570 } 571 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 572 } 573 } 574 for (first = 1, i = 0; i < 16; i++) { 575 if (ip6stat.ip6s_sources_otherif[i]) { 576 if (first) { 577 printf("\tsource addresses on a non-outgoing I/F\n"); 578 first = 0; 579 } 580 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 581 } 582 } 583 for (first = 1, i = 0; i < 16; i++) { 584 if (ip6stat.ip6s_sources_samescope[i]) { 585 if (first) { 586 printf("\tsource addresses of same scope\n"); 587 first = 0; 588 } 589 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 590 } 591 } 592 for (first = 1, i = 0; i < 16; i++) { 593 if (ip6stat.ip6s_sources_otherscope[i]) { 594 if (first) { 595 printf("\tsource addresses of a different scope\n"); 596 first = 0; 597 } 598 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 599 } 600 } 601 for (first = 1, i = 0; i < 16; i++) { 602 if (ip6stat.ip6s_sources_deprecated[i]) { 603 if (first) { 604 printf("\tdeprecated source addresses\n"); 605 first = 0; 606 } 607 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 608 } 609 } 610 611 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 612 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 613 #undef p 614 #undef p1 615 } 616 617 /* 618 * Dump IPv6 per-interface statistics based on RFC 2465. 619 */ 620 void 621 ip6_ifstats(ifname) 622 char *ifname; 623 { 624 struct in6_ifreq ifr; 625 int s; 626 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 627 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 628 plural(ifr.ifr_ifru.ifru_stat.f)) 629 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 630 printf(m, (unsigned long long)ip6stat.f) 631 632 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 633 perror("Warning: socket(AF_INET6)"); 634 return; 635 } 636 637 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 638 printf("ip6 on %s:\n", ifname); 639 640 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 641 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 642 goto end; 643 } 644 645 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 646 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 647 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 648 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 649 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 650 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 651 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 652 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 653 p(ifs6_in_deliver, 654 "\t%llu datagram%s delivered to an upper layer protocol\n"); 655 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 656 p(ifs6_out_request, 657 "\t%llu datagram%s sent from an upper layer protocol\n"); 658 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 659 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 660 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 661 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 662 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 663 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 664 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 665 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 666 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 667 668 end: 669 close(s); 670 671 #undef p 672 #undef p_5 673 } 674 675 static char *icmp6names[] = { 676 "#0", 677 "unreach", 678 "packet too big", 679 "time exceed", 680 "parameter problem", 681 "#5", 682 "#6", 683 "#7", 684 "#8", 685 "#9", 686 "#10", 687 "#11", 688 "#12", 689 "#13", 690 "#14", 691 "#15", 692 "#16", 693 "#17", 694 "#18", 695 "#19", 696 "#20", 697 "#21", 698 "#22", 699 "#23", 700 "#24", 701 "#25", 702 "#26", 703 "#27", 704 "#28", 705 "#29", 706 "#30", 707 "#31", 708 "#32", 709 "#33", 710 "#34", 711 "#35", 712 "#36", 713 "#37", 714 "#38", 715 "#39", 716 "#40", 717 "#41", 718 "#42", 719 "#43", 720 "#44", 721 "#45", 722 "#46", 723 "#47", 724 "#48", 725 "#49", 726 "#50", 727 "#51", 728 "#52", 729 "#53", 730 "#54", 731 "#55", 732 "#56", 733 "#57", 734 "#58", 735 "#59", 736 "#60", 737 "#61", 738 "#62", 739 "#63", 740 "#64", 741 "#65", 742 "#66", 743 "#67", 744 "#68", 745 "#69", 746 "#70", 747 "#71", 748 "#72", 749 "#73", 750 "#74", 751 "#75", 752 "#76", 753 "#77", 754 "#78", 755 "#79", 756 "#80", 757 "#81", 758 "#82", 759 "#83", 760 "#84", 761 "#85", 762 "#86", 763 "#87", 764 "#88", 765 "#89", 766 "#80", 767 "#91", 768 "#92", 769 "#93", 770 "#94", 771 "#95", 772 "#96", 773 "#97", 774 "#98", 775 "#99", 776 "#100", 777 "#101", 778 "#102", 779 "#103", 780 "#104", 781 "#105", 782 "#106", 783 "#107", 784 "#108", 785 "#109", 786 "#110", 787 "#111", 788 "#112", 789 "#113", 790 "#114", 791 "#115", 792 "#116", 793 "#117", 794 "#118", 795 "#119", 796 "#120", 797 "#121", 798 "#122", 799 "#123", 800 "#124", 801 "#125", 802 "#126", 803 "#127", 804 "echo", 805 "echo reply", 806 "multicast listener query", 807 "multicast listener report", 808 "multicast listener done", 809 "router solicitation", 810 "router advertisement", 811 "neighbor solicitation", 812 "neighbor advertisement", 813 "redirect", 814 "router renumbering", 815 "node information request", 816 "node information reply", 817 "#141", 818 "#142", 819 "#143", 820 "#144", 821 "#145", 822 "#146", 823 "#147", 824 "#148", 825 "#149", 826 "#150", 827 "#151", 828 "#152", 829 "#153", 830 "#154", 831 "#155", 832 "#156", 833 "#157", 834 "#158", 835 "#159", 836 "#160", 837 "#161", 838 "#162", 839 "#163", 840 "#164", 841 "#165", 842 "#166", 843 "#167", 844 "#168", 845 "#169", 846 "#170", 847 "#171", 848 "#172", 849 "#173", 850 "#174", 851 "#175", 852 "#176", 853 "#177", 854 "#178", 855 "#179", 856 "#180", 857 "#181", 858 "#182", 859 "#183", 860 "#184", 861 "#185", 862 "#186", 863 "#187", 864 "#188", 865 "#189", 866 "#180", 867 "#191", 868 "#192", 869 "#193", 870 "#194", 871 "#195", 872 "#196", 873 "#197", 874 "#198", 875 "#199", 876 "#200", 877 "#201", 878 "#202", 879 "#203", 880 "#204", 881 "#205", 882 "#206", 883 "#207", 884 "#208", 885 "#209", 886 "#210", 887 "#211", 888 "#212", 889 "#213", 890 "#214", 891 "#215", 892 "#216", 893 "#217", 894 "#218", 895 "#219", 896 "#220", 897 "#221", 898 "#222", 899 "#223", 900 "#224", 901 "#225", 902 "#226", 903 "#227", 904 "#228", 905 "#229", 906 "#230", 907 "#231", 908 "#232", 909 "#233", 910 "#234", 911 "#235", 912 "#236", 913 "#237", 914 "#238", 915 "#239", 916 "#240", 917 "#241", 918 "#242", 919 "#243", 920 "#244", 921 "#245", 922 "#246", 923 "#247", 924 "#248", 925 "#249", 926 "#250", 927 "#251", 928 "#252", 929 "#253", 930 "#254", 931 "#255", 932 }; 933 934 /* 935 * Dump ICMPv6 statistics. 936 */ 937 void 938 icmp6_stats(off, name) 939 u_long off; 940 char *name; 941 { 942 struct icmp6stat icmp6stat; 943 register int i, first; 944 945 if (off == 0) 946 return; 947 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 948 printf("%s:\n", name); 949 950 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 951 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 952 #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 953 printf(m, (unsigned long long)icmp6stat.f) 954 955 p(icp6s_error, "\t%llu call%s to icmp6_error\n"); 956 p(icp6s_canterror, 957 "\t%llu error%s not generated because old message was icmp6 or so\n"); 958 p(icp6s_toofreq, 959 "\t%llu error%s not generated because of rate limitation\n"); 960 for (first = 1, i = 0; i < 256; i++) 961 if (icmp6stat.icp6s_outhist[i] != 0) { 962 if (first) { 963 printf("\tOutput packet histogram:\n"); 964 first = 0; 965 } 966 printf("\t\t%s: %llu\n", icmp6names[i], 967 (unsigned long long)icmp6stat.icp6s_outhist[i]); 968 } 969 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 970 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 971 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 972 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 973 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 974 if (icmp6stat.icp6s_inhist[i] != 0) { 975 if (first) { 976 printf("\tInput packet histogram:\n"); 977 first = 0; 978 } 979 printf("\t\t%s: %llu\n", icmp6names[i], 980 (unsigned long long)icmp6stat.icp6s_inhist[i]); 981 } 982 printf("\tHistogram of error messages to be generated:\n"); 983 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 984 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 985 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 986 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 987 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 988 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 989 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 990 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 991 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 992 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 993 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 994 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 995 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 996 997 p(icp6s_reflect, "\t%llu message response%s generated\n"); 998 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 999 p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); 1000 p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); 1001 p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); 1002 p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); 1003 p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); 1004 p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); 1005 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 1006 #undef p 1007 #undef p_5 1008 } 1009 1010 /* 1011 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1012 */ 1013 void 1014 icmp6_ifstats(ifname) 1015 char *ifname; 1016 { 1017 struct in6_ifreq ifr; 1018 int s; 1019 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1020 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1021 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1022 1023 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1024 perror("Warning: socket(AF_INET6)"); 1025 return; 1026 } 1027 1028 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); 1029 printf("icmp6 on %s:\n", ifname); 1030 1031 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1032 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1033 goto end; 1034 } 1035 1036 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1037 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1038 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1039 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1040 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1041 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1042 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1043 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1044 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1045 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1046 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1047 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1048 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1049 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1050 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1051 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1052 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1053 1054 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1055 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1056 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1057 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1058 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1059 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1060 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1061 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1062 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1063 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1064 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1065 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1066 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1067 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1068 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1069 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1070 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1071 1072 end: 1073 close(s); 1074 #undef p 1075 } 1076 1077 /* 1078 * Dump PIM statistics structure. 1079 */ 1080 void 1081 pim6_stats(off, name) 1082 u_long off; 1083 char *name; 1084 { 1085 struct pim6stat pim6stat; 1086 1087 if (off == 0) 1088 return; 1089 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1090 printf("%s:\n", name); 1091 1092 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1093 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1094 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1095 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1096 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1097 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1098 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1099 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1100 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1101 #undef p 1102 } 1103 1104 /* 1105 * Dump raw ip6 statistics structure. 1106 */ 1107 void 1108 rip6_stats(off, name) 1109 u_long off; 1110 char *name; 1111 { 1112 struct rip6stat rip6stat; 1113 u_quad_t delivered; 1114 1115 if (off == 0) 1116 return; 1117 kread(off, (char *)&rip6stat, sizeof(rip6stat)); 1118 printf("%s:\n", name); 1119 1120 #define p(f, m) if (rip6stat.f || sflag <= 1) \ 1121 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) 1122 p(rip6s_ipackets, "\t%llu message%s received\n"); 1123 p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); 1124 p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); 1125 p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); 1126 p(rip6s_nosockmcast, 1127 "\t%llu multicast message%s dropped due to no socket\n"); 1128 p(rip6s_fullsock, 1129 "\t%llu message%s dropped due to full socket buffers\n"); 1130 delivered = rip6stat.rip6s_ipackets - 1131 rip6stat.rip6s_badsum - 1132 rip6stat.rip6s_nosock - 1133 rip6stat.rip6s_nosockmcast - 1134 rip6stat.rip6s_fullsock; 1135 if (delivered || sflag <= 1) 1136 printf("\t%llu delivered\n", (unsigned long long)delivered); 1137 p(rip6s_opackets, "\t%llu datagram%s output\n"); 1138 #undef p 1139 } 1140 1141 /* 1142 * Pretty print an Internet address (net address + port). 1143 * Take numeric_addr and numeric_port into consideration. 1144 */ 1145 void 1146 inet6print(in6, port, proto) 1147 register struct in6_addr *in6; 1148 int port; 1149 char *proto; 1150 { 1151 #define GETSERVBYPORT6(port, proto, ret)\ 1152 do {\ 1153 if (strcmp((proto), "tcp6") == 0)\ 1154 (ret) = getservbyport((int)(port), "tcp");\ 1155 else if (strcmp((proto), "udp6") == 0)\ 1156 (ret) = getservbyport((int)(port), "udp");\ 1157 else\ 1158 (ret) = getservbyport((int)(port), (proto));\ 1159 } while (0) 1160 struct servent *sp = 0; 1161 char line[80], *cp; 1162 int width; 1163 1164 width = Aflag ? 12 : 16; 1165 if (vflag && width < strlen(inet6name(in6))) 1166 width = strlen(inet6name(in6)); 1167 snprintf(line, sizeof(line), "%.*s.", width, inet6name(in6)); 1168 cp = strchr(line, '\0'); 1169 if (!numeric_port && port) 1170 GETSERVBYPORT6(port, proto, sp); 1171 if (sp || port == 0) 1172 snprintf(cp, sizeof(line) - (cp - line), 1173 "%s", sp ? sp->s_name : "*"); 1174 else 1175 snprintf(cp, sizeof(line) - (cp - line), 1176 "%d", ntohs((u_short)port)); 1177 width = Aflag ? 18 : 22; 1178 if (vflag && width < strlen(line)) 1179 width = strlen(line); 1180 printf(" %-*.*s", width, width, line); 1181 } 1182 1183 /* 1184 * Construct an Internet address representation. 1185 * If the numeric_addr has been supplied, give 1186 * numeric value, otherwise try for symbolic name. 1187 */ 1188 1189 char * 1190 inet6name(in6p) 1191 struct in6_addr *in6p; 1192 { 1193 register char *cp; 1194 static char line[NI_MAXHOST]; 1195 struct hostent *hp; 1196 static char domain[MAXHOSTNAMELEN + 1]; 1197 static int first = 1; 1198 char hbuf[NI_MAXHOST]; 1199 struct sockaddr_in6 sin6; 1200 #ifdef NI_WITHSCOPEID 1201 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1202 #else 1203 const int niflag = NI_NUMERICHOST; 1204 #endif 1205 1206 if (first && !numeric_addr) { 1207 first = 0; 1208 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1209 (cp = strchr(domain, '.'))) 1210 (void) strlcpy(domain, cp + 1, sizeof(domain)); 1211 else 1212 domain[0] = 0; 1213 } 1214 cp = 0; 1215 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1216 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1217 if (hp) { 1218 if ((cp = strchr(hp->h_name, '.')) && 1219 !strcmp(cp + 1, domain)) 1220 *cp = 0; 1221 cp = hp->h_name; 1222 } 1223 } 1224 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1225 strlcpy(line, "*", sizeof(line)); 1226 else if (cp) 1227 strlcpy(line, cp, sizeof(line)); 1228 else { 1229 memset(&sin6, 0, sizeof(sin6)); 1230 sin6.sin6_len = sizeof(sin6); 1231 sin6.sin6_family = AF_INET6; 1232 sin6.sin6_addr = *in6p; 1233 #ifdef __KAME__ 1234 if (IN6_IS_ADDR_LINKLOCAL(in6p)) { 1235 sin6.sin6_scope_id = 1236 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1237 sin6.sin6_addr.s6_addr[2] = 0; 1238 sin6.sin6_addr.s6_addr[3] = 0; 1239 } 1240 #endif 1241 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1242 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1243 strlcpy(hbuf, "?", sizeof(hbuf)); 1244 strlcpy(line, hbuf, sizeof(line)); 1245 } 1246 return (line); 1247 } 1248 1249 #ifdef TCP6 1250 /* 1251 * Dump the contents of a TCP6 PCB. 1252 */ 1253 void 1254 tcp6_dump(pcbaddr) 1255 u_long pcbaddr; 1256 { 1257 struct tcp6cb tcp6cb; 1258 int i; 1259 1260 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1261 1262 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1263 1264 printf("Timers:\n"); 1265 for (i = 0; i < TCP6T_NTIMERS; i++) 1266 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1267 printf("\n\n"); 1268 1269 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1270 printf("State: %d", tcp6cb.t_state); 1271 else 1272 printf("State: %s", tcp6states[tcp6cb.t_state]); 1273 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1274 (u_long)tcp6cb.t_in6pcb); 1275 1276 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1277 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1278 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1279 tcp6cb.t_maxseg, tcp6cb.t_force); 1280 1281 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1282 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1283 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1284 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1285 (unsigned long long)tcp6cb.snd_wnd); 1286 1287 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1288 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1289 tcp6cb.rcv_up, tcp6cb.irs); 1290 1291 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1292 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1293 (unsigned long long)tcp6cb.snd_ssthresh); 1294 1295 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1296 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1297 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1298 (unsigned long long)tcp6cb.max_sndwnd); 1299 1300 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1301 tcp6cb.t_iobc, tcp6cb.t_softerror); 1302 1303 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1304 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1305 tcp6cb.requested_s_scale); 1306 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1307 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1308 } 1309 #endif 1310 1311 #endif /*INET6*/ 1312
Indexes created Tue Sep 23 23:09:58 GMT 2025