1 /*- 2 * Copyright (c) 1983, 1988, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #if 0 35 #ifndef lint 36 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 37 #endif /* not lint */ 38 #endif 39 40 #include <sys/cdefs.h> 41 __FBSDID("$FreeBSD$"); 42 43 #include <sys/param.h> 44 #include <sys/queue.h> 45 #include <sys/domain.h> 46 #include <sys/protosw.h> 47 #include <sys/socket.h> 48 #include <sys/socketvar.h> 49 #include <sys/sysctl.h> 50 51 #include <net/route.h> 52 #include <net/if_arp.h> 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/ip.h> 56 #include <netinet/ip_carp.h> 57 #ifdef INET6 58 #include <netinet/ip6.h> 59 #endif /* INET6 */ 60 #include <netinet/in_pcb.h> 61 #include <netinet/ip_icmp.h> 62 #include <netinet/icmp_var.h> 63 #include <netinet/igmp_var.h> 64 #include <netinet/ip_var.h> 65 #include <netinet/pim_var.h> 66 #include <netinet/tcp.h> 67 #include <netinet/tcpip.h> 68 #include <netinet/tcp_seq.h> 69 #define TCPSTATES 70 #include <netinet/tcp_fsm.h> 71 #include <netinet/tcp_timer.h> 72 #include <netinet/tcp_var.h> 73 #include <netinet/tcp_debug.h> 74 #include <netinet/udp.h> 75 #include <netinet/udp_var.h> 76 77 #include <arpa/inet.h> 78 #include <err.h> 79 #include <errno.h> 80 #include <libutil.h> 81 #include <netdb.h> 82 #include <stdint.h> 83 #include <stdio.h> 84 #include <stdlib.h> 85 #include <string.h> 86 #include <unistd.h> 87 #include "netstat.h" 88 89 char *inetname(struct in_addr *); 90 void inetprint(struct in_addr *, int, const char *, int); 91 #ifdef INET6 92 static int udp_done, tcp_done; 93 #endif /* INET6 */ 94 95 static int 96 pcblist_sysctl(int proto, char **bufp, int istcp) 97 { 98 const char *mibvar; 99 char *buf; 100 size_t len; 101 102 switch (proto) { 103 case IPPROTO_TCP: 104 mibvar = "net.inet.tcp.pcblist"; 105 break; 106 case IPPROTO_UDP: 107 mibvar = "net.inet.udp.pcblist"; 108 break; 109 case IPPROTO_DIVERT: 110 mibvar = "net.inet.divert.pcblist"; 111 break; 112 default: 113 mibvar = "net.inet.raw.pcblist"; 114 break; 115 } 116 117 len = 0; 118 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 119 if (errno != ENOENT) 120 warn("sysctl: %s", mibvar); 121 return (0); 122 } 123 if ((buf = malloc(len)) == 0) { 124 warnx("malloc %lu bytes", (u_long)len); 125 return (0); 126 } 127 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 128 warn("sysctl: %s", mibvar); 129 free(buf); 130 return (0); 131 } 132 *bufp = buf; 133 return (1); 134 } 135 136 /* 137 * Copied directly from uipc_socket2.c. We leave out some fields that are in 138 * nested structures that aren't used to avoid extra work. 139 */ 140 static void 141 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 142 { 143 xsb->sb_cc = sb->sb_cc; 144 xsb->sb_hiwat = sb->sb_hiwat; 145 xsb->sb_mbcnt = sb->sb_mbcnt; 146 xsb->sb_mcnt = sb->sb_mcnt; 147 xsb->sb_ccnt = sb->sb_ccnt; 148 xsb->sb_mbmax = sb->sb_mbmax; 149 xsb->sb_lowat = sb->sb_lowat; 150 xsb->sb_flags = sb->sb_flags; 151 xsb->sb_timeo = sb->sb_timeo; 152 } 153 154 int 155 sotoxsocket(struct socket *so, struct xsocket *xso) 156 { 157 struct protosw proto; 158 struct domain domain; 159 160 bzero(xso, sizeof *xso); 161 xso->xso_len = sizeof *xso; 162 xso->xso_so = so; 163 xso->so_type = so->so_type; 164 xso->so_options = so->so_options; 165 xso->so_linger = so->so_linger; 166 xso->so_state = so->so_state; 167 xso->so_pcb = so->so_pcb; 168 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 169 return (-1); 170 xso->xso_protocol = proto.pr_protocol; 171 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 172 return (-1); 173 xso->xso_family = domain.dom_family; 174 xso->so_qlen = so->so_qlen; 175 xso->so_incqlen = so->so_incqlen; 176 xso->so_qlimit = so->so_qlimit; 177 xso->so_timeo = so->so_timeo; 178 xso->so_error = so->so_error; 179 xso->so_oobmark = so->so_oobmark; 180 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 181 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 182 return (0); 183 } 184 185 static int 186 pcblist_kvm(u_long off, char **bufp, int istcp) 187 { 188 struct inpcbinfo pcbinfo; 189 struct inpcbhead listhead; 190 struct inpcb *inp; 191 struct xinpcb xi; 192 struct xinpgen xig; 193 struct xtcpcb xt; 194 struct socket so; 195 struct xsocket *xso; 196 char *buf, *p; 197 size_t len; 198 199 if (off == 0) 200 return (0); 201 kread(off, &pcbinfo, sizeof(pcbinfo)); 202 if (istcp) 203 len = 2 * sizeof(xig) + 204 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 205 sizeof(struct xtcpcb); 206 else 207 len = 2 * sizeof(xig) + 208 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 209 sizeof(struct xinpcb); 210 if ((buf = malloc(len)) == 0) { 211 warnx("malloc %lu bytes", (u_long)len); 212 return (0); 213 } 214 p = buf; 215 216 #define COPYOUT(obj, size) do { \ 217 if (len < (size)) { \ 218 warnx("buffer size exceeded"); \ 219 goto fail; \ 220 } \ 221 bcopy((obj), p, (size)); \ 222 len -= (size); \ 223 p += (size); \ 224 } while (0) 225 226 #define KREAD(off, buf, len) do { \ 227 if (kread((uintptr_t)(off), (buf), (len)) != 0) \ 228 goto fail; \ 229 } while (0) 230 231 /* Write out header. */ 232 xig.xig_len = sizeof xig; 233 xig.xig_count = pcbinfo.ipi_count; 234 xig.xig_gen = pcbinfo.ipi_gencnt; 235 xig.xig_sogen = 0; 236 COPYOUT(&xig, sizeof xig); 237 238 /* Walk the PCB list. */ 239 xt.xt_len = sizeof xt; 240 xi.xi_len = sizeof xi; 241 if (istcp) 242 xso = &xt.xt_socket; 243 else 244 xso = &xi.xi_socket; 245 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead)); 246 LIST_FOREACH(inp, &listhead, inp_list) { 247 if (istcp) { 248 KREAD(inp, &xt.xt_inp, sizeof(*inp)); 249 inp = &xt.xt_inp; 250 } else { 251 KREAD(inp, &xi.xi_inp, sizeof(*inp)); 252 inp = &xi.xi_inp; 253 } 254 255 if (inp->inp_gencnt > pcbinfo.ipi_gencnt) 256 continue; 257 258 if (istcp) { 259 if (inp->inp_ppcb == NULL) 260 bzero(&xt.xt_tp, sizeof xt.xt_tp); 261 else if (inp->inp_flags & INP_TIMEWAIT) { 262 bzero(&xt.xt_tp, sizeof xt.xt_tp); 263 xt.xt_tp.t_state = TCPS_TIME_WAIT; 264 } else 265 KREAD(inp->inp_ppcb, &xt.xt_tp, 266 sizeof xt.xt_tp); 267 } 268 if (inp->inp_socket) { 269 KREAD(inp->inp_socket, &so, sizeof(so)); 270 if (sotoxsocket(&so, xso) != 0) 271 goto fail; 272 } else { 273 bzero(xso, sizeof(*xso)); 274 if (istcp) 275 xso->xso_protocol = IPPROTO_TCP; 276 } 277 if (istcp) 278 COPYOUT(&xt, sizeof xt); 279 else 280 COPYOUT(&xi, sizeof xi); 281 } 282 283 /* Reread the pcbinfo and write out the footer. */ 284 kread(off, &pcbinfo, sizeof(pcbinfo)); 285 xig.xig_count = pcbinfo.ipi_count; 286 xig.xig_gen = pcbinfo.ipi_gencnt; 287 COPYOUT(&xig, sizeof xig); 288 289 *bufp = buf; 290 return (1); 291 292 fail: 293 free(buf); 294 return (0); 295 #undef COPYOUT 296 #undef KREAD 297 } 298 299 /* 300 * Print a summary of connections related to an Internet 301 * protocol. For TCP, also give state of connection. 302 * Listening processes (aflag) are suppressed unless the 303 * -a (all) flag is specified. 304 */ 305 void 306 protopr(u_long off, const char *name, int af1, int proto) 307 { 308 int istcp; 309 static int first = 1; 310 char *buf; 311 const char *vchar; 312 struct tcpcb *tp = NULL; 313 struct inpcb *inp; 314 struct xinpgen *xig, *oxig; 315 struct xsocket *so; 316 317 istcp = 0; 318 switch (proto) { 319 case IPPROTO_TCP: 320 #ifdef INET6 321 if (tcp_done != 0) 322 return; 323 else 324 tcp_done = 1; 325 #endif 326 istcp = 1; 327 break; 328 case IPPROTO_UDP: 329 #ifdef INET6 330 if (udp_done != 0) 331 return; 332 else 333 udp_done = 1; 334 #endif 335 break; 336 } 337 if (live) { 338 if (!pcblist_sysctl(proto, &buf, istcp)) 339 return; 340 } else { 341 if (!pcblist_kvm(off, &buf, istcp)) 342 return; 343 } 344 345 oxig = xig = (struct xinpgen *)buf; 346 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 347 xig->xig_len > sizeof(struct xinpgen); 348 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 349 if (istcp) { 350 tp = &((struct xtcpcb *)xig)->xt_tp; 351 inp = &((struct xtcpcb *)xig)->xt_inp; 352 so = &((struct xtcpcb *)xig)->xt_socket; 353 } else { 354 inp = &((struct xinpcb *)xig)->xi_inp; 355 so = &((struct xinpcb *)xig)->xi_socket; 356 } 357 358 /* Ignore sockets for protocols other than the desired one. */ 359 if (so->xso_protocol != proto) 360 continue; 361 362 /* Ignore PCBs which were freed during copyout. */ 363 if (inp->inp_gencnt > oxig->xig_gen) 364 continue; 365 366 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 367 #ifdef INET6 368 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 369 #endif /* INET6 */ 370 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 371 #ifdef INET6 372 && (inp->inp_vflag & INP_IPV6) == 0 373 #endif /* INET6 */ 374 )) 375 ) 376 continue; 377 if (!aflag && 378 ( 379 (istcp && tp->t_state == TCPS_LISTEN) 380 || (af1 == AF_INET && 381 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 382 #ifdef INET6 383 || (af1 == AF_INET6 && 384 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 385 #endif /* INET6 */ 386 || (af1 == AF_UNSPEC && 387 (((inp->inp_vflag & INP_IPV4) != 0 && 388 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 389 #ifdef INET6 390 || ((inp->inp_vflag & INP_IPV6) != 0 && 391 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 392 #endif 393 )) 394 )) 395 continue; 396 397 if (first) { 398 if (!Lflag) { 399 printf("Active Internet connections"); 400 if (aflag) 401 printf(" (including servers)"); 402 } else 403 printf( 404 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 405 putchar('\n'); 406 if (Aflag) 407 printf("%-8.8s ", "Tcpcb"); 408 if (Lflag) 409 printf("%-5.5s %-14.14s %-22.22s\n", 410 "Proto", "Listen", "Local Address"); 411 else { 412 printf((Aflag && !Wflag) ? 413 "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s" : 414 "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s", 415 "Proto", "Recv-Q", "Send-Q", 416 "Local Address", "Foreign Address"); 417 if (xflag) 418 printf("%-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %s\n", 419 "R-MBUF", "S-MBUF", "R-CLUS", 420 "S-CLUS", "R-HIWA", "S-HIWA", 421 "R-LOWA", "S-LOWA", "R-BCNT", 422 "S-BCNT", "R-BMAX", "S-BMAX", 423 "(state)"); 424 else 425 printf("(state)\n"); 426 } 427 first = 0; 428 } 429 if (Lflag && so->so_qlimit == 0) 430 continue; 431 if (Aflag) { 432 if (istcp) 433 printf("%8lx ", (u_long)inp->inp_ppcb); 434 else 435 printf("%8lx ", (u_long)so->so_pcb); 436 } 437 #ifdef INET6 438 if ((inp->inp_vflag & INP_IPV6) != 0) 439 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 440 "46" : "6 "; 441 else 442 #endif 443 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 444 "4 " : " "; 445 printf("%-3.3s%-2.2s ", name, vchar); 446 if (Lflag) { 447 char buf1[15]; 448 449 snprintf(buf1, 15, "%d/%d/%d", so->so_qlen, 450 so->so_incqlen, so->so_qlimit); 451 printf("%-14.14s ", buf1); 452 } else { 453 printf("%6u %6u ", so->so_rcv.sb_cc, so->so_snd.sb_cc); 454 } 455 if (numeric_port) { 456 if (inp->inp_vflag & INP_IPV4) { 457 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 458 name, 1); 459 if (!Lflag) 460 inetprint(&inp->inp_faddr, 461 (int)inp->inp_fport, name, 1); 462 } 463 #ifdef INET6 464 else if (inp->inp_vflag & INP_IPV6) { 465 inet6print(&inp->in6p_laddr, 466 (int)inp->inp_lport, name, 1); 467 if (!Lflag) 468 inet6print(&inp->in6p_faddr, 469 (int)inp->inp_fport, name, 1); 470 } /* else nothing printed now */ 471 #endif /* INET6 */ 472 } else if (inp->inp_flags & INP_ANONPORT) { 473 if (inp->inp_vflag & INP_IPV4) { 474 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 475 name, 1); 476 if (!Lflag) 477 inetprint(&inp->inp_faddr, 478 (int)inp->inp_fport, name, 0); 479 } 480 #ifdef INET6 481 else if (inp->inp_vflag & INP_IPV6) { 482 inet6print(&inp->in6p_laddr, 483 (int)inp->inp_lport, name, 1); 484 if (!Lflag) 485 inet6print(&inp->in6p_faddr, 486 (int)inp->inp_fport, name, 0); 487 } /* else nothing printed now */ 488 #endif /* INET6 */ 489 } else { 490 if (inp->inp_vflag & INP_IPV4) { 491 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 492 name, 0); 493 if (!Lflag) 494 inetprint(&inp->inp_faddr, 495 (int)inp->inp_fport, name, 496 inp->inp_lport != inp->inp_fport); 497 } 498 #ifdef INET6 499 else if (inp->inp_vflag & INP_IPV6) { 500 inet6print(&inp->in6p_laddr, 501 (int)inp->inp_lport, name, 0); 502 if (!Lflag) 503 inet6print(&inp->in6p_faddr, 504 (int)inp->inp_fport, name, 505 inp->inp_lport != inp->inp_fport); 506 } /* else nothing printed now */ 507 #endif /* INET6 */ 508 } 509 if (xflag) { 510 if (Lflag) 511 printf("%21s %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u ", 512 " ", 513 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 514 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 515 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 516 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 517 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 518 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 519 else 520 printf("%6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u ", 521 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 522 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 523 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 524 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 525 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 526 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 527 } 528 if (istcp && !Lflag) { 529 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 530 printf("%d", tp->t_state); 531 else { 532 printf("%s", tcpstates[tp->t_state]); 533 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 534 /* Show T/TCP `hidden state' */ 535 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 536 putchar('*'); 537 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 538 } 539 } 540 putchar('\n'); 541 } 542 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 543 if (oxig->xig_count > xig->xig_count) { 544 printf("Some %s sockets may have been deleted.\n", 545 name); 546 } else if (oxig->xig_count < xig->xig_count) { 547 printf("Some %s sockets may have been created.\n", 548 name); 549 } else { 550 printf( 551 "Some %s sockets may have been created or deleted.\n", 552 name); 553 } 554 } 555 free(buf); 556 } 557 558 /* 559 * Dump TCP statistics structure. 560 */ 561 void 562 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 563 { 564 struct tcpstat tcpstat, zerostat; 565 size_t len = sizeof tcpstat; 566 567 #ifdef INET6 568 if (tcp_done != 0) 569 return; 570 else 571 tcp_done = 1; 572 #endif 573 574 if (live) { 575 if (zflag) 576 memset(&zerostat, 0, len); 577 if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 578 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 579 warn("sysctl: net.inet.tcp.stats"); 580 return; 581 } 582 } else 583 kread(off, &tcpstat, len); 584 585 printf ("%s:\n", name); 586 587 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 588 printf(m, tcpstat.f, plural(tcpstat.f)) 589 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 590 printf(m, tcpstat.f) 591 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 592 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2)) 593 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 594 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2) 595 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 596 printf(m, tcpstat.f, pluralies(tcpstat.f)) 597 598 p(tcps_sndtotal, "\t%lu packet%s sent\n"); 599 p2(tcps_sndpack,tcps_sndbyte, "\t\t%lu data packet%s (%lu byte%s)\n"); 600 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, 601 "\t\t%lu data packet%s (%lu byte%s) retransmitted\n"); 602 p(tcps_sndrexmitbad, 603 "\t\t%lu data packet%s unnecessarily retransmitted\n"); 604 p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n"); 605 p2a(tcps_sndacks, tcps_delack, 606 "\t\t%lu ack-only packet%s (%lu delayed)\n"); 607 p(tcps_sndurg, "\t\t%lu URG only packet%s\n"); 608 p(tcps_sndprobe, "\t\t%lu window probe packet%s\n"); 609 p(tcps_sndwinup, "\t\t%lu window update packet%s\n"); 610 p(tcps_sndctrl, "\t\t%lu control packet%s\n"); 611 p(tcps_rcvtotal, "\t%lu packet%s received\n"); 612 p2(tcps_rcvackpack, tcps_rcvackbyte, 613 "\t\t%lu ack%s (for %lu byte%s)\n"); 614 p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n"); 615 p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n"); 616 p2(tcps_rcvpack, tcps_rcvbyte, 617 "\t\t%lu packet%s (%lu byte%s) received in-sequence\n"); 618 p2(tcps_rcvduppack, tcps_rcvdupbyte, 619 "\t\t%lu completely duplicate packet%s (%lu byte%s)\n"); 620 p(tcps_pawsdrop, "\t\t%lu old duplicate packet%s\n"); 621 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, 622 "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n"); 623 p2(tcps_rcvoopack, tcps_rcvoobyte, 624 "\t\t%lu out-of-order packet%s (%lu byte%s)\n"); 625 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, 626 "\t\t%lu packet%s (%lu byte%s) of data after window\n"); 627 p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n"); 628 p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n"); 629 p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n"); 630 p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n"); 631 p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n"); 632 p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n"); 633 p1a(tcps_rcvmemdrop, "\t\t%lu discarded due to memory problems\n"); 634 p(tcps_connattempt, "\t%lu connection request%s\n"); 635 p(tcps_accepts, "\t%lu connection accept%s\n"); 636 p(tcps_badsyn, "\t%lu bad connection attempt%s\n"); 637 p(tcps_listendrop, "\t%lu listen queue overflow%s\n"); 638 p(tcps_badrst, "\t%lu ignored RSTs in the window%s\n"); 639 p(tcps_connects, "\t%lu connection%s established (including accepts)\n"); 640 p2(tcps_closed, tcps_drops, 641 "\t%lu connection%s closed (including %lu drop%s)\n"); 642 p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n"); 643 p(tcps_cachedrttvar, 644 "\t\t%lu connection%s updated cached RTT variance on close\n"); 645 p(tcps_cachedssthresh, 646 "\t\t%lu connection%s updated cached ssthresh on close\n"); 647 p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n"); 648 p2(tcps_rttupdated, tcps_segstimed, 649 "\t%lu segment%s updated rtt (of %lu attempt%s)\n"); 650 p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n"); 651 p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n"); 652 p(tcps_persisttimeo, "\t%lu persist timeout%s\n"); 653 p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n"); 654 p(tcps_finwait2_drops, 655 "\t%lu Connection%s (fin_wait_2) dropped because of timeout\n"); 656 p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n"); 657 p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n"); 658 p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n"); 659 p(tcps_predack, "\t%lu correct ACK header prediction%s\n"); 660 p(tcps_preddat, "\t%lu correct data packet header prediction%s\n"); 661 662 p3(tcps_sc_added, "\t%lu syncache entr%s added\n"); 663 p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n"); 664 p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n"); 665 p1a(tcps_sc_dropped, "\t\t%lu dropped\n"); 666 p1a(tcps_sc_completed, "\t\t%lu completed\n"); 667 p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n"); 668 p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n"); 669 p1a(tcps_sc_reset, "\t\t%lu reset\n"); 670 p1a(tcps_sc_stale, "\t\t%lu stale\n"); 671 p1a(tcps_sc_aborted, "\t\t%lu aborted\n"); 672 p1a(tcps_sc_badack, "\t\t%lu badack\n"); 673 p1a(tcps_sc_unreach, "\t\t%lu unreach\n"); 674 p(tcps_sc_zonefail, "\t\t%lu zone failure%s\n"); 675 p(tcps_sc_sendcookie, "\t%lu cookie%s sent\n"); 676 p(tcps_sc_recvcookie, "\t%lu cookie%s received\n"); 677 678 p(tcps_sack_recovery_episode, "\t%lu SACK recovery episode%s\n"); 679 p(tcps_sack_rexmits, 680 "\t%lu segment rexmit%s in SACK recovery episodes\n"); 681 p(tcps_sack_rexmit_bytes, 682 "\t%lu byte rexmit%s in SACK recovery episodes\n"); 683 p(tcps_sack_rcv_blocks, 684 "\t%lu SACK option%s (SACK blocks) received\n"); 685 p(tcps_sack_send_blocks, "\t%lu SACK option%s (SACK blocks) sent\n"); 686 p1a(tcps_sack_sboverflow, "\t%lu SACK scoreboard overflow\n"); 687 688 p(tcps_ecn_ce, "\t%lu packet%s with ECN CE bit set\n"); 689 p(tcps_ecn_ect0, "\t%lu packet%s with ECN ECT(0) bit set\n"); 690 p(tcps_ecn_ect1, "\t%lu packet%s with ECN ECT(1) bit set\n"); 691 p(tcps_ecn_shs, "\t%lu successful ECN handshake%s\n"); 692 p(tcps_ecn_rcwnd, "\t%lu time%s ECN reduced the congestion window\n"); 693 #undef p 694 #undef p1a 695 #undef p2 696 #undef p2a 697 #undef p3 698 } 699 700 /* 701 * Dump UDP statistics structure. 702 */ 703 void 704 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 705 { 706 struct udpstat udpstat, zerostat; 707 size_t len = sizeof udpstat; 708 u_long delivered; 709 710 #ifdef INET6 711 if (udp_done != 0) 712 return; 713 else 714 udp_done = 1; 715 #endif 716 717 if (live) { 718 if (zflag) 719 memset(&zerostat, 0, len); 720 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len, 721 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 722 warn("sysctl: net.inet.udp.stats"); 723 return; 724 } 725 } else 726 kread(off, &udpstat, len); 727 728 printf("%s:\n", name); 729 #define p(f, m) if (udpstat.f || sflag <= 1) \ 730 printf(m, udpstat.f, plural(udpstat.f)) 731 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 732 printf(m, udpstat.f) 733 p(udps_ipackets, "\t%lu datagram%s received\n"); 734 p1a(udps_hdrops, "\t%lu with incomplete header\n"); 735 p1a(udps_badlen, "\t%lu with bad data length field\n"); 736 p1a(udps_badsum, "\t%lu with bad checksum\n"); 737 p1a(udps_nosum, "\t%lu with no checksum\n"); 738 p1a(udps_noport, "\t%lu dropped due to no socket\n"); 739 p(udps_noportbcast, 740 "\t%lu broadcast/multicast datagram%s undelivered\n"); 741 p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n"); 742 p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n"); 743 delivered = udpstat.udps_ipackets - 744 udpstat.udps_hdrops - 745 udpstat.udps_badlen - 746 udpstat.udps_badsum - 747 udpstat.udps_noport - 748 udpstat.udps_noportbcast - 749 udpstat.udps_fullsock; 750 if (delivered || sflag <= 1) 751 printf("\t%lu delivered\n", delivered); 752 p(udps_opackets, "\t%lu datagram%s output\n"); 753 /* the next statistic is cumulative in udps_noportbcast */ 754 p(udps_filtermcast, 755 "\t%lu time%s multicast source filter matched\n"); 756 #undef p 757 #undef p1a 758 } 759 760 /* 761 * Dump CARP statistics structure. 762 */ 763 void 764 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 765 { 766 struct carpstats carpstat, zerostat; 767 size_t len = sizeof(struct carpstats); 768 769 if (live) { 770 if (zflag) 771 memset(&zerostat, 0, len); 772 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len, 773 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 774 if (errno != ENOENT) 775 warn("sysctl: net.inet.carp.stats"); 776 return; 777 } 778 } else { 779 if (off == 0) 780 return; 781 kread(off, &carpstat, len); 782 } 783 784 printf("%s:\n", name); 785 786 #define p(f, m) if (carpstat.f || sflag <= 1) \ 787 printf(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 788 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 789 printf(m, (uintmax_t)carpstat.f) 790 791 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n"); 792 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n"); 793 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n"); 794 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n"); 795 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n"); 796 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n"); 797 p2(carps_badlen, "\t\t%ju discarded because packet too short\n"); 798 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n"); 799 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n"); 800 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n"); 801 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n"); 802 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n"); 803 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n"); 804 #if notyet 805 p(carps_ostates, "\t\t%s state update%s sent\n"); 806 #endif 807 #undef p 808 #undef p2 809 } 810 811 /* 812 * Dump IP statistics structure. 813 */ 814 void 815 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 816 { 817 struct ipstat ipstat, zerostat; 818 size_t len = sizeof ipstat; 819 820 if (live) { 821 if (zflag) 822 memset(&zerostat, 0, len); 823 if (sysctlbyname("net.inet.ip.stats", &ipstat, &len, 824 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 825 warn("sysctl: net.inet.ip.stats"); 826 return; 827 } 828 } else 829 kread(off, &ipstat, len); 830 831 printf("%s:\n", name); 832 833 #define p(f, m) if (ipstat.f || sflag <= 1) \ 834 printf(m, ipstat.f, plural(ipstat.f)) 835 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 836 printf(m, ipstat.f) 837 838 p(ips_total, "\t%lu total packet%s received\n"); 839 p(ips_badsum, "\t%lu bad header checksum%s\n"); 840 p1a(ips_toosmall, "\t%lu with size smaller than minimum\n"); 841 p1a(ips_tooshort, "\t%lu with data size < data length\n"); 842 p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n"); 843 p1a(ips_badhlen, "\t%lu with header length < data size\n"); 844 p1a(ips_badlen, "\t%lu with data length < header length\n"); 845 p1a(ips_badoptions, "\t%lu with bad options\n"); 846 p1a(ips_badvers, "\t%lu with incorrect version number\n"); 847 p(ips_fragments, "\t%lu fragment%s received\n"); 848 p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n"); 849 p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n"); 850 p(ips_reassembled, "\t%lu packet%s reassembled ok\n"); 851 p(ips_delivered, "\t%lu packet%s for this host\n"); 852 p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n"); 853 p(ips_forward, "\t%lu packet%s forwarded"); 854 p(ips_fastforward, " (%lu packet%s fast forwarded)"); 855 if (ipstat.ips_forward || sflag <= 1) 856 putchar('\n'); 857 p(ips_cantforward, "\t%lu packet%s not forwardable\n"); 858 p(ips_notmember, 859 "\t%lu packet%s received for unknown multicast group\n"); 860 p(ips_redirectsent, "\t%lu redirect%s sent\n"); 861 p(ips_localout, "\t%lu packet%s sent from this host\n"); 862 p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n"); 863 p(ips_odropped, 864 "\t%lu output packet%s dropped due to no bufs, etc.\n"); 865 p(ips_noroute, "\t%lu output packet%s discarded due to no route\n"); 866 p(ips_fragmented, "\t%lu output datagram%s fragmented\n"); 867 p(ips_ofragments, "\t%lu fragment%s created\n"); 868 p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n"); 869 p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n"); 870 p(ips_badaddr, "\t%lu datagram%s with bad address in header\n"); 871 #undef p 872 #undef p1a 873 } 874 875 /* 876 * Dump ARP statistics structure. 877 */ 878 void 879 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 880 { 881 struct arpstat arpstat, zerostat; 882 size_t len = sizeof(arpstat); 883 884 if (live) { 885 if (zflag) 886 memset(&zerostat, 0, len); 887 if (sysctlbyname("net.link.ether.arp.stats", &arpstat, &len, 888 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 889 warn("sysctl: net.link.ether.arp.stats"); 890 return; 891 } 892 } else 893 kread(off, &arpstat, len); 894 895 printf("%s:\n", name); 896 897 #define p(f, m) if (arpstat.f || sflag <= 1) \ 898 printf(m, arpstat.f, plural(arpstat.f)) 899 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 900 printf(m, arpstat.f, pluralies(arpstat.f)) 901 902 p(txrequests, "\t%lu ARP request%s sent\n"); 903 p2(txreplies, "\t%lu ARP repl%s sent\n"); 904 p(rxrequests, "\t%lu ARP request%s received\n"); 905 p2(rxreplies, "\t%lu ARP repl%s received\n"); 906 p(received, "\t%lu ARP packet%s received\n"); 907 p(dropped, "\t%lu total packet%s dropped due to no ARP entry\n"); 908 p(timeouts, "\t%lu ARP entry%s timed out\n"); 909 p(dupips, "\t%lu Duplicate IP%s seen\n"); 910 #undef p 911 #undef p2 912 } 913 914 915 916 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 917 "echo reply", /* RFC 792 */ 918 "#1", 919 "#2", 920 "destination unreachable", /* RFC 792 */ 921 "source quench", /* RFC 792 */ 922 "routing redirect", /* RFC 792 */ 923 "#6", 924 "#7", 925 "echo", /* RFC 792 */ 926 "router advertisement", /* RFC 1256 */ 927 "router solicitation", /* RFC 1256 */ 928 "time exceeded", /* RFC 792 */ 929 "parameter problem", /* RFC 792 */ 930 "time stamp", /* RFC 792 */ 931 "time stamp reply", /* RFC 792 */ 932 "information request", /* RFC 792 */ 933 "information request reply", /* RFC 792 */ 934 "address mask request", /* RFC 950 */ 935 "address mask reply", /* RFC 950 */ 936 "#19", 937 "#20", 938 "#21", 939 "#22", 940 "#23", 941 "#24", 942 "#25", 943 "#26", 944 "#27", 945 "#28", 946 "#29", 947 "icmp traceroute", /* RFC 1393 */ 948 "datagram conversion error", /* RFC 1475 */ 949 "mobile host redirect", 950 "IPv6 where-are-you", 951 "IPv6 i-am-here", 952 "mobile registration req", 953 "mobile registration reply", 954 "domain name request", /* RFC 1788 */ 955 "domain name reply", /* RFC 1788 */ 956 "icmp SKIP", 957 "icmp photuris", /* RFC 2521 */ 958 }; 959 960 /* 961 * Dump ICMP statistics. 962 */ 963 void 964 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 965 { 966 struct icmpstat icmpstat, zerostat; 967 int i, first; 968 size_t len; 969 970 len = sizeof icmpstat; 971 if (live) { 972 if (zflag) 973 memset(&zerostat, 0, len); 974 if (sysctlbyname("net.inet.icmp.stats", &icmpstat, &len, 975 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 976 warn("sysctl: net.inet.icmp.stats"); 977 return; 978 } 979 } else 980 kread(off, &icmpstat, len); 981 982 printf("%s:\n", name); 983 984 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 985 printf(m, icmpstat.f, plural(icmpstat.f)) 986 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 987 printf(m, icmpstat.f) 988 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 989 printf(m, icmpstat.f, plurales(icmpstat.f)) 990 991 p(icps_error, "\t%lu call%s to icmp_error\n"); 992 p(icps_oldicmp, 993 "\t%lu error%s not generated in response to an icmp message\n"); 994 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 995 if (icmpstat.icps_outhist[i] != 0) { 996 if (first) { 997 printf("\tOutput histogram:\n"); 998 first = 0; 999 } 1000 if (icmpnames[i] != NULL) 1001 printf("\t\t%s: %lu\n", icmpnames[i], 1002 icmpstat.icps_outhist[i]); 1003 else 1004 printf("\t\tunknown ICMP #%d: %lu\n", i, 1005 icmpstat.icps_outhist[i]); 1006 } 1007 p(icps_badcode, "\t%lu message%s with bad code fields\n"); 1008 p(icps_tooshort, "\t%lu message%s less than the minimum length\n"); 1009 p(icps_checksum, "\t%lu message%s with bad checksum\n"); 1010 p(icps_badlen, "\t%lu message%s with bad length\n"); 1011 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n"); 1012 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n"); 1013 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 1014 if (icmpstat.icps_inhist[i] != 0) { 1015 if (first) { 1016 printf("\tInput histogram:\n"); 1017 first = 0; 1018 } 1019 if (icmpnames[i] != NULL) 1020 printf("\t\t%s: %lu\n", icmpnames[i], 1021 icmpstat.icps_inhist[i]); 1022 else 1023 printf("\t\tunknown ICMP #%d: %lu\n", i, 1024 icmpstat.icps_inhist[i]); 1025 } 1026 p(icps_reflect, "\t%lu message response%s generated\n"); 1027 p2(icps_badaddr, "\t%lu invalid return address%s\n"); 1028 p(icps_noroute, "\t%lu no return route%s\n"); 1029 #undef p 1030 #undef p1a 1031 #undef p2 1032 if (live) { 1033 len = sizeof i; 1034 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1035 0) 1036 return; 1037 printf("\tICMP address mask responses are %sabled\n", 1038 i ? "en" : "dis"); 1039 } 1040 } 1041 1042 #ifndef BURN_BRIDGES 1043 /* 1044 * Dump IGMP statistics structure (pre 8.x kernel). 1045 */ 1046 static void 1047 igmp_stats_live_old(u_long off, const char *name) 1048 { 1049 struct oigmpstat oigmpstat, zerostat; 1050 size_t len = sizeof(oigmpstat); 1051 1052 if (zflag) 1053 memset(&zerostat, 0, len); 1054 if (sysctlbyname("net.inet.igmp.stats", &oigmpstat, &len, 1055 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1056 warn("sysctl: net.inet.igmp.stats"); 1057 return; 1058 } 1059 1060 printf("%s:\n", name); 1061 1062 #define p(f, m) if (oigmpstat.f || sflag <= 1) \ 1063 printf(m, oigmpstat.f, plural(oigmpstat.f)) 1064 #define py(f, m) if (oigmpstat.f || sflag <= 1) \ 1065 printf(m, oigmpstat.f, oigmpstat.f != 1 ? "ies" : "y") 1066 p(igps_rcv_total, "\t%u message%s received\n"); 1067 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n"); 1068 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n"); 1069 py(igps_rcv_queries, "\t%u membership quer%s received\n"); 1070 py(igps_rcv_badqueries, 1071 "\t%u membership quer%s received with invalid field(s)\n"); 1072 p(igps_rcv_reports, "\t%u membership report%s received\n"); 1073 p(igps_rcv_badreports, 1074 "\t%u membership report%s received with invalid field(s)\n"); 1075 p(igps_rcv_ourreports, 1076 "\t%u membership report%s received for groups to which we belong\n"); 1077 p(igps_snd_reports, "\t%u membership report%s sent\n"); 1078 #undef p 1079 #undef py 1080 } 1081 #endif /* !BURN_BRIDGES */ 1082 1083 /* 1084 * Dump IGMP statistics structure. 1085 */ 1086 void 1087 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1088 { 1089 struct igmpstat igmpstat, zerostat; 1090 size_t len; 1091 1092 #ifndef BURN_BRIDGES 1093 if (live) { 1094 /* 1095 * Detect if we are being run against a pre-IGMPv3 kernel. 1096 * We cannot do this for a core file as the legacy 1097 * struct igmpstat has no size field, nor does it 1098 * export it in any readily-available symbols. 1099 */ 1100 len = 0; 1101 if (sysctlbyname("net.inet.igmp.stats", NULL, &len, NULL, 1102 0) < 0) { 1103 warn("sysctl: net.inet.igmp.stats"); 1104 return; 1105 } 1106 if (len < sizeof(igmpstat)) { 1107 igmp_stats_live_old(off, name); 1108 return; 1109 } 1110 } 1111 #endif /* !BURN_BRIDGES */ 1112 1113 len = sizeof(igmpstat); 1114 if (live) { 1115 if (zflag) 1116 memset(&zerostat, 0, len); 1117 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, 1118 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1119 warn("sysctl: net.inet.igmp.stats"); 1120 return; 1121 } 1122 } else { 1123 len = sizeof(igmpstat); 1124 kread(off, &igmpstat, len); 1125 } 1126 1127 if (igmpstat.igps_version != IGPS_VERSION_3) { 1128 warnx("%s: version mismatch (%d != %d)", __func__, 1129 igmpstat.igps_version, IGPS_VERSION_3); 1130 } 1131 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1132 warnx("%s: size mismatch (%d != %d)", __func__, 1133 igmpstat.igps_len, IGPS_VERSION3_LEN); 1134 } 1135 1136 printf("%s:\n", name); 1137 1138 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1139 printf(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1140 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1141 printf(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1142 p64(igps_rcv_total, "\t%ju message%s received\n"); 1143 p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1144 p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n"); 1145 p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1146 py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n"); 1147 py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n"); 1148 py64(igps_rcv_badqueries, 1149 "\t%ju membership quer%s received with invalid field(s)\n"); 1150 py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n"); 1151 py64(igps_rcv_group_queries, "\t%ju group quer%s received\n"); 1152 py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n"); 1153 py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n"); 1154 p64(igps_rcv_reports, "\t%ju membership report%s received\n"); 1155 p64(igps_rcv_badreports, 1156 "\t%ju membership report%s received with invalid field(s)\n"); 1157 p64(igps_rcv_ourreports, 1158 "\t%ju membership report%s received for groups to which we belong\n"); 1159 p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n"); 1160 p64(igps_snd_reports, "\t%ju membership report%s sent\n"); 1161 #undef p64 1162 #undef py64 1163 } 1164 1165 /* 1166 * Dump PIM statistics structure. 1167 */ 1168 void 1169 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1170 int proto __unused) 1171 { 1172 struct pimstat pimstat, zerostat; 1173 size_t len = sizeof pimstat; 1174 1175 if (live) { 1176 if (zflag) 1177 memset(&zerostat, 0, len); 1178 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len, 1179 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1180 if (errno != ENOENT) 1181 warn("sysctl: net.inet.pim.stats"); 1182 return; 1183 } 1184 } else { 1185 if (off == 0) 1186 return; 1187 kread(off, &pimstat, len); 1188 } 1189 1190 printf("%s:\n", name); 1191 1192 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1193 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1194 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1195 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1196 p(pims_rcv_total_msgs, "\t%ju message%s received\n"); 1197 p(pims_rcv_total_bytes, "\t%ju byte%s received\n"); 1198 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1199 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1200 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n"); 1201 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n"); 1202 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n"); 1203 p(pims_rcv_registers_wrongiif, 1204 "\t%ju data register message%s received on wrong iif\n"); 1205 p(pims_rcv_badregisters, "\t%ju bad register%s received\n"); 1206 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n"); 1207 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n"); 1208 #undef p 1209 #undef py 1210 } 1211 1212 /* 1213 * Pretty print an Internet address (net address + port). 1214 */ 1215 void 1216 inetprint(struct in_addr *in, int port, const char *proto, int num_port) 1217 { 1218 struct servent *sp = 0; 1219 char line[80], *cp; 1220 int width; 1221 1222 if (Wflag) 1223 sprintf(line, "%s.", inetname(in)); 1224 else 1225 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in)); 1226 cp = index(line, '\0'); 1227 if (!num_port && port) 1228 sp = getservbyport((int)port, proto); 1229 if (sp || port == 0) 1230 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 1231 else 1232 sprintf(cp, "%d ", ntohs((u_short)port)); 1233 width = (Aflag && !Wflag) ? 18 : 22; 1234 if (Wflag) 1235 printf("%-*s ", width, line); 1236 else 1237 printf("%-*.*s ", width, width, line); 1238 } 1239 1240 /* 1241 * Construct an Internet address representation. 1242 * If numeric_addr has been supplied, give 1243 * numeric value, otherwise try for symbolic name. 1244 */ 1245 char * 1246 inetname(struct in_addr *inp) 1247 { 1248 char *cp; 1249 static char line[MAXHOSTNAMELEN]; 1250 struct hostent *hp; 1251 struct netent *np; 1252 1253 cp = 0; 1254 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1255 int net = inet_netof(*inp); 1256 int lna = inet_lnaof(*inp); 1257 1258 if (lna == INADDR_ANY) { 1259 np = getnetbyaddr(net, AF_INET); 1260 if (np) 1261 cp = np->n_name; 1262 } 1263 if (cp == 0) { 1264 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1265 if (hp) { 1266 cp = hp->h_name; 1267 trimdomain(cp, strlen(cp)); 1268 } 1269 } 1270 } 1271 if (inp->s_addr == INADDR_ANY) 1272 strcpy(line, "*"); 1273 else if (cp) { 1274 strlcpy(line, cp, sizeof(line)); 1275 } else { 1276 inp->s_addr = ntohl(inp->s_addr); 1277 #define C(x) ((u_int)((x) & 0xff)) 1278 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 1279 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 1280 } 1281 return (line); 1282 } 1283