inet6.c revision 1.17
1 /* $NetBSD: inet6.c,v 1.17 2001/02/07 08:59:49 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. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 */ 65 66 #include <sys/cdefs.h> 67 #ifndef lint 68 #if 0 69 static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94"; 70 #else 71 __RCSID("$NetBSD: inet6.c,v 1.17 2001/02/07 08:59:49 itojun Exp $"); 72 #endif 73 #endif /* not lint */ 74 75 #include <sys/param.h> 76 #include <sys/socket.h> 77 #include <sys/socketvar.h> 78 #include <sys/ioctl.h> 79 #include <sys/mbuf.h> 80 #include <sys/protosw.h> 81 82 #include <net/route.h> 83 #include <net/if.h> 84 #include <netinet/in.h> 85 #include <netinet/ip6.h> 86 #include <netinet/icmp6.h> 87 #include <netinet/in_systm.h> 88 #ifndef TCP6 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #endif 92 #include <netinet6/ip6_var.h> 93 #include <netinet6/in6_pcb.h> 94 #include <netinet6/in6_var.h> 95 #include <netinet6/ip6_var.h> 96 #ifdef TCP6 97 #include <netinet6/tcp6.h> 98 #include <netinet6/tcp6_seq.h> 99 #define TCP6STATES 100 #include <netinet6/tcp6_fsm.h> 101 #define TCP6TIMERS 102 #include <netinet6/tcp6_timer.h> 103 #include <netinet6/tcp6_var.h> 104 #include <netinet6/tcp6_debug.h> 105 #else 106 #include <netinet/tcp.h> 107 #include <netinet/tcpip.h> 108 #include <netinet/tcp_seq.h> 109 /*#define TCPSTATES*/ 110 #include <netinet/tcp_fsm.h> 111 extern char *tcpstates[]; 112 /*#define TCPTIMERS*/ 113 #include <netinet/tcp_timer.h> 114 #include <netinet/tcp_var.h> 115 #include <netinet/tcp_debug.h> 116 #endif /*TCP6*/ 117 #include <netinet6/udp6.h> 118 #include <netinet6/udp6_var.h> 119 #include <netinet6/pim6_var.h> 120 121 #include <arpa/inet.h> 122 #if 0 123 #include "gethostbyname2.h" 124 #endif 125 #include <netdb.h> 126 127 #include <stdio.h> 128 #include <string.h> 129 #include <unistd.h> 130 #include "netstat.h" 131 132 #ifdef INET6 133 134 struct in6pcb in6pcb; 135 #ifdef TCP6 136 struct tcp6cb tcp6cb; 137 #else 138 struct tcpcb tcpcb; 139 #endif 140 struct socket sockb; 141 142 char *inet6name __P((struct in6_addr *)); 143 void inet6print __P((struct in6_addr *, int, char *)); 144 145 /* 146 * Print a summary of connections related to an Internet 147 * protocol. For TCP, also give state of connection. 148 * Listening processes (aflag) are suppressed unless the 149 * -a (all) flag is specified. 150 */ 151 void 152 ip6protopr(off, name) 153 u_long off; 154 char *name; 155 { 156 struct in6pcb cb; 157 register struct in6pcb *prev, *next; 158 int istcp; 159 static int first = 1; 160 int width = 22; 161 if (off == 0) 162 return; 163 istcp = strcmp(name, "tcp6") == 0; 164 kread(off, (char *)&cb, sizeof (struct in6pcb)); 165 in6pcb = cb; 166 prev = (struct in6pcb *)off; 167 if (in6pcb.in6p_next == (struct in6pcb *)off) 168 return; 169 while (in6pcb.in6p_next != (struct in6pcb *)off) { 170 next = in6pcb.in6p_next; 171 kread((u_long)next, (char *)&in6pcb, sizeof (in6pcb)); 172 if (in6pcb.in6p_prev != prev) { 173 printf("???\n"); 174 break; 175 } 176 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr)) { 177 prev = next; 178 continue; 179 } 180 kread((u_long)in6pcb.in6p_socket, (char *)&sockb, sizeof (sockb)); 181 if (istcp) { 182 #ifdef TCP6 183 kread((u_long)in6pcb.in6p_ppcb, 184 (char *)&tcp6cb, sizeof (tcp6cb)); 185 #else 186 kread((u_long)in6pcb.in6p_ppcb, 187 (char *)&tcpcb, sizeof (tcpcb)); 188 #endif 189 } 190 if (first) { 191 printf("Active Internet6 connections"); 192 if (aflag) 193 printf(" (including servers)"); 194 putchar('\n'); 195 if (Aflag) { 196 printf("%-8.8s ", "PCB"); 197 width = 18; 198 } 199 printf( "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", 200 "Proto", "Recv-Q", "Send-Q", 201 -width, width, "Local Address", 202 -width, width, "Foreign Address", 203 "(state)"); 204 first = 0; 205 } 206 if (Aflag) { 207 if (istcp) 208 printf("%8p ", in6pcb.in6p_ppcb); 209 else 210 printf("%8p ", next); 211 } 212 printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc, 213 sockb.so_snd.sb_cc); 214 /* xxx */ 215 inet6print(&in6pcb.in6p_laddr, (int)in6pcb.in6p_lport, name); 216 inet6print(&in6pcb.in6p_faddr, (int)in6pcb.in6p_fport, name); 217 if (istcp) { 218 #ifdef TCP6 219 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 220 printf(" %d", tcp6cb.t_state); 221 else 222 printf(" %s", tcp6states[tcp6cb.t_state]); 223 #else 224 if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES) 225 printf(" %d", tcpcb.t_state); 226 else 227 printf(" %s", tcpstates[tcpcb.t_state]); 228 #endif 229 } 230 putchar('\n'); 231 prev = next; 232 } 233 } 234 235 #ifdef TCP6 236 /* 237 * Dump TCP6 statistics structure. 238 */ 239 void 240 tcp6_stats(off, name) 241 u_long off; 242 char *name; 243 { 244 struct tcp6stat tcp6stat; 245 246 if (off == 0) 247 return; 248 printf ("%s:\n", name); 249 kread(off, (char *)&tcp6stat, sizeof (tcp6stat)); 250 251 #define p(f, m) if (tcp6stat.f || sflag <= 1) \ 252 printf(m, tcp6stat.f, plural(tcp6stat.f)) 253 #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ 254 printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2)) 255 #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ 256 printf(m, tcp6stat.f, plurales(tcp6stat.f)) 257 258 p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); 259 p2(tcp6s_sndpack,tcp6s_sndbyte, 260 "\t\t%ld data packet%s (%ld byte%s)\n"); 261 p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, 262 "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); 263 p2(tcp6s_sndacks, tcp6s_delack, 264 "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); 265 p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); 266 p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); 267 p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); 268 p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); 269 p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); 270 p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); 271 p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); 272 p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); 273 p2(tcp6s_rcvpack, tcp6s_rcvbyte, 274 "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); 275 p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, 276 "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); 277 p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); 278 p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, 279 "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); 280 p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, 281 "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); 282 p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, 283 "\t\t%ld packet%s (%ld byte%s) of data after window\n"); 284 p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); 285 p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); 286 p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); 287 p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); 288 p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); 289 p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); 290 p(tcp6s_connattempt, "\t%ld connection request%s\n"); 291 p(tcp6s_accepts, "\t%ld connection accept%s\n"); 292 p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); 293 p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); 294 p2(tcp6s_closed, tcp6s_drops, 295 "\t%ld connection%s closed (including %ld drop%s)\n"); 296 p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); 297 p2(tcp6s_rttupdated, tcp6s_segstimed, 298 "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); 299 p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); 300 p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); 301 p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); 302 p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); 303 p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); 304 p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); 305 p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); 306 p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); 307 p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); 308 p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); 309 #undef p 310 #undef p2 311 #undef p3 312 } 313 #endif 314 315 /* 316 * Dump UDP6 statistics structure. 317 */ 318 void 319 udp6_stats(off, name) 320 u_long off; 321 char *name; 322 { 323 struct udp6stat udp6stat; 324 u_quad_t delivered; 325 326 if (off == 0) 327 return; 328 kread(off, (char *)&udp6stat, sizeof (udp6stat)); 329 printf("%s:\n", name); 330 #define p(f, m) if (udp6stat.f || sflag <= 1) \ 331 printf(m, (unsigned long long)udp6stat.f, plural(udp6stat.f)) 332 #define p1(f, m) if (udp6stat.f || sflag <= 1) \ 333 printf(m, (unsigned long long)udp6stat.f) 334 p(udp6s_ipackets, "\t%llu datagram%s received\n"); 335 p1(udp6s_hdrops, "\t%llu with incomplete header\n"); 336 p1(udp6s_badlen, "\t%llu with bad data length field\n"); 337 p1(udp6s_badsum, "\t%llu with bad checksum\n"); 338 p1(udp6s_nosum, "\t%llu with no checksum\n"); 339 p1(udp6s_noport, "\t%llu dropped due to no socket\n"); 340 p(udp6s_noportmcast, 341 "\t%llu multicast datagram%s dropped due to no socket\n"); 342 p1(udp6s_fullsock, "\t%llu dropped due to full socket buffers\n"); 343 delivered = udp6stat.udp6s_ipackets - 344 udp6stat.udp6s_hdrops - 345 udp6stat.udp6s_badlen - 346 udp6stat.udp6s_badsum - 347 udp6stat.udp6s_noport - 348 udp6stat.udp6s_noportmcast - 349 udp6stat.udp6s_fullsock; 350 if (delivered || sflag <= 1) 351 printf("\t%llu delivered\n", (unsigned long long)delivered); 352 p(udp6s_opackets, "\t%llu datagram%s output\n"); 353 #undef p 354 #undef p1 355 } 356 357 static char *ip6nh[] = { 358 /*0*/ "hop by hop", 359 "ICMP", 360 "IGMP", 361 NULL, 362 "IP", 363 /*5*/ NULL, 364 "TCP", 365 NULL, 366 NULL, 367 NULL, 368 /*10*/ NULL, NULL, NULL, NULL, NULL, 369 /*15*/ NULL, 370 NULL, 371 "UDP", 372 NULL, 373 NULL, 374 /*20*/ NULL, 375 NULL, 376 "IDP", 377 NULL, 378 NULL, 379 /*25*/ NULL, 380 NULL, 381 NULL, 382 NULL, 383 "TP", 384 /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 385 /*40*/ NULL, 386 "IP6", 387 NULL, 388 "routing", 389 "fragment", 390 /*45*/ NULL, NULL, NULL, NULL, NULL, 391 /*50*/ "ESP", 392 "AH", 393 NULL, 394 NULL, 395 NULL, 396 /*55*/ NULL, 397 NULL, 398 NULL, 399 "ICMP6", 400 "no next header", 401 /*60*/ "destination option", 402 NULL, 403 NULL, 404 NULL, 405 NULL, 406 /*65*/ NULL, NULL, NULL, NULL, NULL, 407 /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 408 /*80*/ "ISOIP", 409 NULL, 410 NULL, 411 NULL, 412 NULL, 413 NULL, 414 NULL, 415 NULL, 416 NULL, 417 "OSPF", 418 /*90*/ NULL, NULL, NULL, NULL, NULL, 419 /*95*/ NULL, 420 NULL, 421 "Ethernet", 422 NULL, 423 NULL, 424 /*100*/ NULL, 425 NULL, 426 NULL, 427 "PIM", 428 NULL, 429 /*105*/ NULL, NULL, NULL, NULL, NULL, 430 /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 431 /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 432 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 433 /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 434 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 435 /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 436 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 437 /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 438 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 439 /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 440 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 441 /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 442 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 443 /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 444 NULL, NULL, NULL, NULL, NULL, NULL, 445 }; 446 447 /* 448 * Dump IP6 statistics structure. 449 */ 450 void 451 ip6_stats(off, name) 452 u_long off; 453 char *name; 454 { 455 struct ip6stat ip6stat; 456 int first, i; 457 struct protoent *ep; 458 const char *n; 459 460 if (off == 0) 461 return; 462 463 kread(off, (char *)&ip6stat, sizeof (ip6stat)); 464 printf("%s:\n", name); 465 466 #define p(f, m) if (ip6stat.f || sflag <= 1) \ 467 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) 468 #define p1(f, m) if (ip6stat.f || sflag <= 1) \ 469 printf(m, (unsigned long long)ip6stat.f) 470 471 p(ip6s_total, "\t%llu total packet%s received\n"); 472 p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); 473 p1(ip6s_tooshort, "\t%llu with data size < data length\n"); 474 p1(ip6s_badoptions, "\t%llu with bad options\n"); 475 p1(ip6s_badvers, "\t%llu with incorrect version number\n"); 476 p(ip6s_fragments, "\t%llu fragment%s received\n"); 477 p(ip6s_fragdropped, 478 "\t%llu fragment%s dropped (dup or out of space)\n"); 479 p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); 480 p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); 481 p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); 482 p(ip6s_delivered, "\t%llu packet%s for this host\n"); 483 p(ip6s_forward, "\t%llu packet%s forwarded\n"); 484 p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); 485 p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); 486 p(ip6s_localout, "\t%llu packet%s sent from this host\n"); 487 p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); 488 p(ip6s_odropped, 489 "\t%llu output packet%s dropped due to no bufs, etc.\n"); 490 p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); 491 p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); 492 p(ip6s_ofragments, "\t%llu fragment%s created\n"); 493 p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); 494 p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); 495 p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); 496 for (first = 1, i = 0; i < 256; i++) 497 if (ip6stat.ip6s_nxthist[i] != 0) { 498 if (first) { 499 printf("\tInput packet histogram:\n"); 500 first = 0; 501 } 502 n = NULL; 503 if (ip6nh[i]) 504 n = ip6nh[i]; 505 else if ((ep = getprotobynumber(i)) != NULL) 506 n = ep->p_name; 507 if (n) 508 printf("\t\t%s: %llu\n", n, 509 (unsigned long long)ip6stat.ip6s_nxthist[i]); 510 else 511 printf("\t\t#%d: %llu\n", i, 512 (unsigned long long)ip6stat.ip6s_nxthist[i]); 513 } 514 printf("\tMbuf statistics:\n"); 515 p(ip6s_m1, "\t\t%llu one mbuf%s\n"); 516 for (first = 1, i = 0; i < 32; i++) { 517 char ifbuf[IFNAMSIZ]; 518 if (ip6stat.ip6s_m2m[i] != 0) { 519 if (first) { 520 printf("\t\ttwo or more mbuf:\n"); 521 first = 0; 522 } 523 printf("\t\t\t%s = %llu\n", 524 if_indextoname(i, ifbuf), 525 (unsigned long long)ip6stat.ip6s_m2m[i]); 526 } 527 } 528 p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); 529 p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); 530 p(ip6s_exthdrtoolong, 531 "\t%llu packet%s whose headers are not continuous\n"); 532 p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); 533 p(ip6s_toomanyhdr, 534 "\t%llu packet%s discarded due to too many headers\n"); 535 536 /* for debugging source address selection */ 537 #define PRINT_SCOPESTAT(s,i) do {\ 538 switch(i) { /* XXX hardcoding in each case */\ 539 case 1:\ 540 p(s, "\t\t%llu node-local%s\n");\ 541 break;\ 542 case 2:\ 543 p(s, "\t\t%llu link-local%s\n");\ 544 break;\ 545 case 5:\ 546 p(s, "\t\t%llu site-local%s\n");\ 547 break;\ 548 case 14:\ 549 p(s, "\t\t%llu global%s\n");\ 550 break;\ 551 default:\ 552 printf("\t\t%llu addresses scope=%x\n",\ 553 (unsigned long long)ip6stat.s, i);\ 554 }\ 555 } while(0); 556 557 p(ip6s_sources_none, 558 "\t%llu failure%s of source address selection\n"); 559 for (first = 1, i = 0; i < 16; i++) { 560 if (ip6stat.ip6s_sources_sameif[i]) { 561 if (first) { 562 printf("\tsource addresses on an outgoing I/F\n"); 563 first = 0; 564 } 565 PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); 566 } 567 } 568 for (first = 1, i = 0; i < 16; i++) { 569 if (ip6stat.ip6s_sources_otherif[i]) { 570 if (first) { 571 printf("\tsource addresses on a non-outgoing I/F\n"); 572 first = 0; 573 } 574 PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); 575 } 576 } 577 for (first = 1, i = 0; i < 16; i++) { 578 if (ip6stat.ip6s_sources_samescope[i]) { 579 if (first) { 580 printf("\tsource addresses of same scope\n"); 581 first = 0; 582 } 583 PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); 584 } 585 } 586 for (first = 1, i = 0; i < 16; i++) { 587 if (ip6stat.ip6s_sources_otherscope[i]) { 588 if (first) { 589 printf("\tsource addresses of a different scope\n"); 590 first = 0; 591 } 592 PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); 593 } 594 } 595 for (first = 1, i = 0; i < 16; i++) { 596 if (ip6stat.ip6s_sources_deprecated[i]) { 597 if (first) { 598 printf("\tdeprecated source addresses\n"); 599 first = 0; 600 } 601 PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); 602 } 603 } 604 605 p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); 606 p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); 607 #undef p 608 #undef p1 609 } 610 611 /* 612 * Dump IPv6 per-interface statistics based on RFC 2465. 613 */ 614 void 615 ip6_ifstats(ifname) 616 char *ifname; 617 { 618 struct in6_ifreq ifr; 619 int s; 620 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 621 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ 622 plural(ifr.ifr_ifru.ifru_stat.f)) 623 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ 624 printf(m, (unsigned long long)ip6stat.f) 625 626 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 627 perror("Warning: socket(AF_INET6)"); 628 return; 629 } 630 631 strcpy(ifr.ifr_name, ifname); 632 printf("ip6 on %s:\n", ifr.ifr_name); 633 634 if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { 635 perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); 636 goto end; 637 } 638 639 p(ifs6_in_receive, "\t%llu total input datagram%s\n"); 640 p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); 641 p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); 642 p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); 643 p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); 644 p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); 645 p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); 646 p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); 647 p(ifs6_in_deliver, 648 "\t%llu datagram%s delivered to an upper layer protocol\n"); 649 p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); 650 p(ifs6_out_request, 651 "\t%llu datagram%s sent from an upper layer protocol\n"); 652 p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); 653 p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); 654 p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); 655 p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); 656 p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); 657 p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); 658 p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); 659 p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); 660 p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); 661 662 end: 663 close(s); 664 665 #undef p 666 #undef p_5 667 } 668 669 static char *icmp6names[] = { 670 "#0", 671 "unreach", 672 "packet too big", 673 "time exceed", 674 "parameter problem", 675 "#5", 676 "#6", 677 "#7", 678 "#8", 679 "#9", 680 "#10", 681 "#11", 682 "#12", 683 "#13", 684 "#14", 685 "#15", 686 "#16", 687 "#17", 688 "#18", 689 "#19", 690 "#20", 691 "#21", 692 "#22", 693 "#23", 694 "#24", 695 "#25", 696 "#26", 697 "#27", 698 "#28", 699 "#29", 700 "#30", 701 "#31", 702 "#32", 703 "#33", 704 "#34", 705 "#35", 706 "#36", 707 "#37", 708 "#38", 709 "#39", 710 "#40", 711 "#41", 712 "#42", 713 "#43", 714 "#44", 715 "#45", 716 "#46", 717 "#47", 718 "#48", 719 "#49", 720 "#50", 721 "#51", 722 "#52", 723 "#53", 724 "#54", 725 "#55", 726 "#56", 727 "#57", 728 "#58", 729 "#59", 730 "#60", 731 "#61", 732 "#62", 733 "#63", 734 "#64", 735 "#65", 736 "#66", 737 "#67", 738 "#68", 739 "#69", 740 "#70", 741 "#71", 742 "#72", 743 "#73", 744 "#74", 745 "#75", 746 "#76", 747 "#77", 748 "#78", 749 "#79", 750 "#80", 751 "#81", 752 "#82", 753 "#83", 754 "#84", 755 "#85", 756 "#86", 757 "#87", 758 "#88", 759 "#89", 760 "#80", 761 "#91", 762 "#92", 763 "#93", 764 "#94", 765 "#95", 766 "#96", 767 "#97", 768 "#98", 769 "#99", 770 "#100", 771 "#101", 772 "#102", 773 "#103", 774 "#104", 775 "#105", 776 "#106", 777 "#107", 778 "#108", 779 "#109", 780 "#110", 781 "#111", 782 "#112", 783 "#113", 784 "#114", 785 "#115", 786 "#116", 787 "#117", 788 "#118", 789 "#119", 790 "#120", 791 "#121", 792 "#122", 793 "#123", 794 "#124", 795 "#125", 796 "#126", 797 "#127", 798 "echo", 799 "echo reply", 800 "multicast listener query", 801 "multicast listener report", 802 "multicast listener done", 803 "router solicitation", 804 "router advertisment", 805 "neighbor solicitation", 806 "neighbor advertisment", 807 "redirect", 808 "router renumbering", 809 "node information request", 810 "node information reply", 811 "#141", 812 "#142", 813 "#143", 814 "#144", 815 "#145", 816 "#146", 817 "#147", 818 "#148", 819 "#149", 820 "#150", 821 "#151", 822 "#152", 823 "#153", 824 "#154", 825 "#155", 826 "#156", 827 "#157", 828 "#158", 829 "#159", 830 "#160", 831 "#161", 832 "#162", 833 "#163", 834 "#164", 835 "#165", 836 "#166", 837 "#167", 838 "#168", 839 "#169", 840 "#170", 841 "#171", 842 "#172", 843 "#173", 844 "#174", 845 "#175", 846 "#176", 847 "#177", 848 "#178", 849 "#179", 850 "#180", 851 "#181", 852 "#182", 853 "#183", 854 "#184", 855 "#185", 856 "#186", 857 "#187", 858 "#188", 859 "#189", 860 "#180", 861 "#191", 862 "#192", 863 "#193", 864 "#194", 865 "#195", 866 "#196", 867 "#197", 868 "#198", 869 "#199", 870 "#200", 871 "#201", 872 "#202", 873 "#203", 874 "#204", 875 "#205", 876 "#206", 877 "#207", 878 "#208", 879 "#209", 880 "#210", 881 "#211", 882 "#212", 883 "#213", 884 "#214", 885 "#215", 886 "#216", 887 "#217", 888 "#218", 889 "#219", 890 "#220", 891 "#221", 892 "#222", 893 "#223", 894 "#224", 895 "#225", 896 "#226", 897 "#227", 898 "#228", 899 "#229", 900 "#230", 901 "#231", 902 "#232", 903 "#233", 904 "#234", 905 "#235", 906 "#236", 907 "#237", 908 "#238", 909 "#239", 910 "#240", 911 "#241", 912 "#242", 913 "#243", 914 "#244", 915 "#245", 916 "#246", 917 "#247", 918 "#248", 919 "#249", 920 "#250", 921 "#251", 922 "#252", 923 "#253", 924 "#254", 925 "#255", 926 }; 927 928 /* 929 * Dump ICMPv6 statistics. 930 */ 931 void 932 icmp6_stats(off, name) 933 u_long off; 934 char *name; 935 { 936 struct icmp6stat icmp6stat; 937 register int i, first; 938 939 if (off == 0) 940 return; 941 kread(off, (char *)&icmp6stat, sizeof (icmp6stat)); 942 printf("%s:\n", name); 943 944 #define p(f, m) if (icmp6stat.f || sflag <= 1) \ 945 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) 946 #define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ 947 printf(m, (unsigned long long)icmp6stat.f) 948 949 p(icp6s_error, "\t%llu call%s to icmp6_error\n"); 950 p(icp6s_canterror, 951 "\t%llu error%s not generated because old message was icmp6 or so\n"); 952 p(icp6s_toofreq, 953 "\t%llu error%s not generated because of rate limitation\n"); 954 for (first = 1, i = 0; i < 256; i++) 955 if (icmp6stat.icp6s_outhist[i] != 0) { 956 if (first) { 957 printf("\tOutput packet histogram:\n"); 958 first = 0; 959 } 960 printf("\t\t%s: %llu\n", icmp6names[i], 961 (unsigned long long)icmp6stat.icp6s_outhist[i]); 962 } 963 p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); 964 p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); 965 p(icp6s_checksum, "\t%llu bad checksum%s\n"); 966 p(icp6s_badlen, "\t%llu message%s with bad length\n"); 967 for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) 968 if (icmp6stat.icp6s_inhist[i] != 0) { 969 if (first) { 970 printf("\tInput packet histogram:\n"); 971 first = 0; 972 } 973 printf("\t\t%s: %llu\n", icmp6names[i], 974 (unsigned long long)icmp6stat.icp6s_inhist[i]); 975 } 976 printf("\tHistogram of error messages to be generated:\n"); 977 p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); 978 p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); 979 p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); 980 p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); 981 p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); 982 p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); 983 p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); 984 p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); 985 p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); 986 p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); 987 p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); 988 p_5(icp6s_oredirect, "\t\t%llu redirect\n"); 989 p_5(icp6s_ounknown, "\t\t%llu unknown\n"); 990 991 p(icp6s_reflect, "\t%llu message response%s generated\n"); 992 p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); 993 p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); 994 p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); 995 p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); 996 p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); 997 p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); 998 p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); 999 p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); 1000 #undef p 1001 #undef p_5 1002 } 1003 1004 /* 1005 * Dump ICMPv6 per-interface statistics based on RFC 2466. 1006 */ 1007 void 1008 icmp6_ifstats(ifname) 1009 char *ifname; 1010 { 1011 struct in6_ifreq ifr; 1012 int s; 1013 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ 1014 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ 1015 plural(ifr.ifr_ifru.ifru_icmp6stat.f)) 1016 1017 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1018 perror("Warning: socket(AF_INET6)"); 1019 return; 1020 } 1021 1022 strcpy(ifr.ifr_name, ifname); 1023 printf("icmp6 on %s:\n", ifr.ifr_name); 1024 1025 if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { 1026 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); 1027 goto end; 1028 } 1029 1030 p(ifs6_in_msg, "\t%llu total input message%s\n"); 1031 p(ifs6_in_error, "\t%llu total input error message%s\n"); 1032 p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); 1033 p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); 1034 p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); 1035 p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); 1036 p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); 1037 p(ifs6_in_echo, "\t%llu input echo request%s\n"); 1038 p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); 1039 p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); 1040 p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); 1041 p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); 1042 p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); 1043 p(ifs6_in_redirect, "\t%llu input redirect%s\n"); 1044 p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); 1045 p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); 1046 p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); 1047 1048 p(ifs6_out_msg, "\t%llu total output message%s\n"); 1049 p(ifs6_out_error, "\t%llu total output error message%s\n"); 1050 p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); 1051 p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); 1052 p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); 1053 p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); 1054 p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); 1055 p(ifs6_out_echo, "\t%llu output echo request%s\n"); 1056 p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); 1057 p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); 1058 p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); 1059 p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); 1060 p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); 1061 p(ifs6_out_redirect, "\t%llu output redirect%s\n"); 1062 p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); 1063 p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); 1064 p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); 1065 1066 end: 1067 close(s); 1068 #undef p 1069 } 1070 1071 /* 1072 * Dump PIM statistics structure. 1073 */ 1074 void 1075 pim6_stats(off, name) 1076 u_long off; 1077 char *name; 1078 { 1079 struct pim6stat pim6stat; 1080 1081 if (off == 0) 1082 return; 1083 kread(off, (char *)&pim6stat, sizeof(pim6stat)); 1084 printf("%s:\n", name); 1085 1086 #define p(f, m) if (pim6stat.f || sflag <= 1) \ 1087 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f)) 1088 p(pim6s_rcv_total, "\t%llu message%s received\n"); 1089 p(pim6s_rcv_tooshort, "\t%llu message%s received with too few bytes\n"); 1090 p(pim6s_rcv_badsum, "\t%llu message%s received with bad checksum\n"); 1091 p(pim6s_rcv_badversion, "\t%llu message%s received with bad version\n"); 1092 p(pim6s_rcv_registers, "\t%llu register%s received\n"); 1093 p(pim6s_rcv_badregisters, "\t%llu bad register%s received\n"); 1094 p(pim6s_snd_registers, "\t%llu register%s sent\n"); 1095 #undef p 1096 } 1097 1098 /* 1099 * Pretty print an Internet address (net address + port). 1100 * If the nflag was specified, use numbers instead of names. 1101 */ 1102 1103 void 1104 inet6print(in6, port, proto) 1105 register struct in6_addr *in6; 1106 int port; 1107 char *proto; 1108 { 1109 #define GETSERVBYPORT6(port, proto, ret)\ 1110 do {\ 1111 if (strcmp((proto), "tcp6") == 0)\ 1112 (ret) = getservbyport((int)(port), "tcp");\ 1113 else if (strcmp((proto), "udp6") == 0)\ 1114 (ret) = getservbyport((int)(port), "udp");\ 1115 else\ 1116 (ret) = getservbyport((int)(port), (proto));\ 1117 } while (0) 1118 struct servent *sp = 0; 1119 char line[80], *cp; 1120 int width; 1121 1122 width = Aflag ? 12 : 16; 1123 if (vflag && width < strlen(inet6name(in6))) 1124 width = strlen(inet6name(in6)); 1125 sprintf(line, "%.*s.", width, inet6name(in6)); 1126 cp = index(line, '\0'); 1127 if (!nflag && port) 1128 GETSERVBYPORT6(port, proto, sp); 1129 if (sp || port == 0) 1130 sprintf(cp, "%.8s", sp ? sp->s_name : "*"); 1131 else 1132 sprintf(cp, "%d", ntohs((u_short)port)); 1133 width = Aflag ? 18 : 22; 1134 if (vflag && width < strlen(line)) 1135 width = strlen(line); 1136 printf(" %-*.*s", width, width, line); 1137 } 1138 1139 /* 1140 * Construct an Internet address representation. 1141 * If the nflag has been supplied, give 1142 * numeric value, otherwise try for symbolic name. 1143 */ 1144 1145 char * 1146 inet6name(in6p) 1147 struct in6_addr *in6p; 1148 { 1149 register char *cp; 1150 static char line[NI_MAXHOST]; 1151 struct hostent *hp; 1152 static char domain[MAXHOSTNAMELEN + 1]; 1153 static int first = 1; 1154 char hbuf[NI_MAXHOST]; 1155 struct sockaddr_in6 sin6; 1156 #ifdef NI_WITHSCOPEID 1157 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1158 #else 1159 const int niflag = NI_NUMERICHOST; 1160 #endif 1161 1162 if (first && !nflag) { 1163 first = 0; 1164 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 1165 (cp = index(domain, '.'))) 1166 (void) strcpy(domain, cp + 1); 1167 else 1168 domain[0] = 0; 1169 } 1170 cp = 0; 1171 if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 1172 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 1173 if (hp) { 1174 if ((cp = index(hp->h_name, '.')) && 1175 !strcmp(cp + 1, domain)) 1176 *cp = 0; 1177 cp = hp->h_name; 1178 } 1179 } 1180 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 1181 strlcpy(line, "*", sizeof(line)); 1182 else if (cp) 1183 strlcpy(line, cp, sizeof(line)); 1184 else { 1185 memset(&sin6, 0, sizeof(sin6)); 1186 sin6.sin6_len = sizeof(sin6); 1187 sin6.sin6_family = AF_INET6; 1188 sin6.sin6_addr = *in6p; 1189 #ifdef KAME_SCOPEID 1190 if (IN6_IS_ADDR_LINKLOCAL(in6p)) { 1191 sin6.sin6_scope_id = 1192 ntohs(*(u_int16_t *)&in6p->s6_addr[2]); 1193 sin6.sin6_addr.s6_addr[2] = 0; 1194 sin6.sin6_addr.s6_addr[3] = 0; 1195 } 1196 #endif 1197 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 1198 hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) 1199 strcpy(hbuf, "?"); 1200 strlcpy(line, hbuf, sizeof(line)); 1201 } 1202 return (line); 1203 } 1204 1205 #ifdef TCP6 1206 /* 1207 * Dump the contents of a TCP6 PCB. 1208 */ 1209 void 1210 tcp6_dump(pcbaddr) 1211 u_long pcbaddr; 1212 { 1213 struct tcp6cb tcp6cb; 1214 int i; 1215 1216 kread(pcbaddr, (char *)&tcp6cb, sizeof(tcp6cb)); 1217 1218 printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); 1219 1220 printf("Timers:\n"); 1221 for (i = 0; i < TCP6T_NTIMERS; i++) 1222 printf("\t%s: %u", tcp6timers[i], tcp6cb.t_timer[i]); 1223 printf("\n\n"); 1224 1225 if (tcp6cb.t_state < 0 || tcp6cb.t_state >= TCP6_NSTATES) 1226 printf("State: %d", tcp6cb.t_state); 1227 else 1228 printf("State: %s", tcp6states[tcp6cb.t_state]); 1229 printf(", flags 0x%x, in6pcb 0x%lx\n\n", tcp6cb.t_flags, 1230 (u_long)tcp6cb.t_in6pcb); 1231 1232 printf("rxtshift %d, rxtcur %d, dupacks %d\n", tcp6cb.t_rxtshift, 1233 tcp6cb.t_rxtcur, tcp6cb.t_dupacks); 1234 printf("peermaxseg %u, maxseg %u, force %d\n\n", tcp6cb.t_peermaxseg, 1235 tcp6cb.t_maxseg, tcp6cb.t_force); 1236 1237 printf("snd_una %u, snd_nxt %u, snd_up %u\n", 1238 tcp6cb.snd_una, tcp6cb.snd_nxt, tcp6cb.snd_up); 1239 printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", 1240 tcp6cb.snd_wl1, tcp6cb.snd_wl2, tcp6cb.iss, 1241 (unsigned long long)tcp6cb.snd_wnd); 1242 1243 printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", 1244 (unsigned long long)cp6cb.rcv_wnd, tcp6cb.rcv_nxt, 1245 tcp6cb.rcv_up, tcp6cb.irs); 1246 1247 printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", 1248 tcp6cb.rcv_adv, tcp6cb.snd_max, (unsigned long long)tcp6cb.snd_cwnd, 1249 (unsigned long long)tcp6cb.snd_ssthresh); 1250 1251 printf("idle %d, rtt %d, rtseq %u, srtt %d, rttvar %d, rttmin %d, " 1252 "max_sndwnd %llu\n\n", tcp6cb.t_idle, tcp6cb.t_rtt, tcp6cb.t_rtseq, 1253 tcp6cb.t_srtt, tcp6cb.t_rttvar, tcp6cb.t_rttmin, 1254 (unsigned long long)tcp6cb.max_sndwnd); 1255 1256 printf("oobflags %d, iobc %d, softerror %d\n\n", tcp6cb.t_oobflags, 1257 tcp6cb.t_iobc, tcp6cb.t_softerror); 1258 1259 printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", 1260 tcp6cb.snd_scale, tcp6cb.rcv_scale, tcp6cb.request_r_scale, 1261 tcp6cb.requested_s_scale); 1262 printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", 1263 tcp6cb.ts_recent, tcp6cb.ts_recent_age, tcp6cb.last_ack_sent); 1264 } 1265 #endif 1266 1267 #endif /*INET6*/ 1268
Indexes created Wed Sep 24 05:09:52 GMT 2025