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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 33 #endif /* not lint */ 34 #endif 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/queue.h> 41 #include <sys/domain.h> 42 #include <sys/protosw.h> 43 #include <sys/socket.h> 44 #include <sys/socketvar.h> 45 #include <sys/sysctl.h> 46 47 #include <net/route.h> 48 #include <net/if_arp.h> 49 #include <netinet/in.h> 50 #include <netinet/in_systm.h> 51 #include <netinet/ip.h> 52 #include <netinet/ip_carp.h> 53 #ifdef INET6 54 #include <netinet/ip6.h> 55 #endif /* INET6 */ 56 #include <netinet/in_pcb.h> 57 #include <netinet/ip_icmp.h> 58 #include <netinet/icmp_var.h> 59 #include <netinet/igmp_var.h> 60 #include <netinet/ip_var.h> 61 #include <netinet/pim_var.h> 62 #include <netinet/tcp.h> 63 #include <netinet/tcpip.h> 64 #include <netinet/tcp_seq.h> 65 #define TCPSTATES 66 #include <netinet/tcp_fsm.h> 67 #include <netinet/tcp_timer.h> 68 #include <netinet/tcp_var.h> 69 #include <netinet/udp.h> 70 #include <netinet/udp_var.h> 71 72 #include <arpa/inet.h> 73 #include <err.h> 74 #include <errno.h> 75 #include <libutil.h> 76 #include <netdb.h> 77 #include <stdint.h> 78 #include <stdio.h> 79 #include <stdlib.h> 80 #include <stdbool.h> 81 #include <string.h> 82 #include <unistd.h> 83 #include <libxo/xo.h> 84 #include "netstat.h" 85 #include "nl_defs.h" 86 87 char *inetname(struct in_addr *); 88 void inetprint(const char *, struct in_addr *, int, const char *, int, 89 const int); 90 #ifdef INET6 91 static int udp_done, tcp_done, sdp_done; 92 #endif /* INET6 */ 93 94 static int 95 pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused) 96 { 97 const char *mibvar; 98 char *buf; 99 size_t len; 100 101 switch (proto) { 102 case IPPROTO_TCP: 103 mibvar = "net.inet.tcp.pcblist"; 104 break; 105 case IPPROTO_UDP: 106 mibvar = "net.inet.udp.pcblist"; 107 break; 108 case IPPROTO_DIVERT: 109 mibvar = "net.inet.divert.pcblist"; 110 break; 111 default: 112 mibvar = "net.inet.raw.pcblist"; 113 break; 114 } 115 if (strncmp(name, "sdp", 3) == 0) 116 mibvar = "net.inet.sdp.pcblist"; 117 len = 0; 118 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 119 if (errno != ENOENT) 120 xo_warn("sysctl: %s", mibvar); 121 return (0); 122 } 123 if ((buf = malloc(len)) == NULL) { 124 xo_warnx("malloc %lu bytes", (u_long)len); 125 return (0); 126 } 127 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 128 xo_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_ccc; 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)) == NULL) { 211 xo_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 xo_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 struct xtcp_timer *timer; 317 318 istcp = 0; 319 switch (proto) { 320 case IPPROTO_TCP: 321 #ifdef INET6 322 if (strncmp(name, "sdp", 3) != 0) { 323 if (tcp_done != 0) 324 return; 325 else 326 tcp_done = 1; 327 } else { 328 if (sdp_done != 0) 329 return; 330 else 331 sdp_done = 1; 332 } 333 #endif 334 istcp = 1; 335 break; 336 case IPPROTO_UDP: 337 #ifdef INET6 338 if (udp_done != 0) 339 return; 340 else 341 udp_done = 1; 342 #endif 343 break; 344 } 345 if (live) { 346 if (!pcblist_sysctl(proto, name, &buf, istcp)) 347 return; 348 } else { 349 if (!pcblist_kvm(off, &buf, istcp)) 350 return; 351 } 352 353 oxig = xig = (struct xinpgen *)buf; 354 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 355 xig->xig_len > sizeof(struct xinpgen); 356 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 357 if (istcp) { 358 timer = &((struct xtcpcb *)xig)->xt_timer; 359 tp = &((struct xtcpcb *)xig)->xt_tp; 360 inp = &((struct xtcpcb *)xig)->xt_inp; 361 so = &((struct xtcpcb *)xig)->xt_socket; 362 } else { 363 inp = &((struct xinpcb *)xig)->xi_inp; 364 so = &((struct xinpcb *)xig)->xi_socket; 365 timer = NULL; 366 } 367 368 /* Ignore sockets for protocols other than the desired one. */ 369 if (so->xso_protocol != proto) 370 continue; 371 372 /* Ignore PCBs which were freed during copyout. */ 373 if (inp->inp_gencnt > oxig->xig_gen) 374 continue; 375 376 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 377 #ifdef INET6 378 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 379 #endif /* INET6 */ 380 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 381 #ifdef INET6 382 && (inp->inp_vflag & INP_IPV6) == 0 383 #endif /* INET6 */ 384 )) 385 ) 386 continue; 387 if (!aflag && 388 ( 389 (istcp && tp->t_state == TCPS_LISTEN) 390 || (af1 == AF_INET && 391 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 392 #ifdef INET6 393 || (af1 == AF_INET6 && 394 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 395 #endif /* INET6 */ 396 || (af1 == AF_UNSPEC && 397 (((inp->inp_vflag & INP_IPV4) != 0 && 398 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 399 #ifdef INET6 400 || ((inp->inp_vflag & INP_IPV6) != 0 && 401 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 402 #endif 403 )) 404 )) 405 continue; 406 407 if (first) { 408 if (!Lflag) { 409 xo_emit("Active Internet connections"); 410 if (aflag) 411 xo_emit(" (including servers)"); 412 } else 413 xo_emit( 414 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 415 xo_emit("\n"); 416 if (Aflag) 417 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 418 "Tcpcb"); 419 if (Lflag) 420 xo_emit((Aflag && !Wflag) ? 421 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 422 ((!Wflag || af1 == AF_INET) ? 423 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 424 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 425 "Proto", "Listen", "Local Address"); 426 else if (Tflag) 427 xo_emit((Aflag && !Wflag) ? 428 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 429 ((!Wflag || af1 == AF_INET) ? 430 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 431 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 432 "Proto", "Rexmit", "OOORcv", "0-win", 433 "Local Address", "Foreign Address"); 434 else { 435 xo_emit((Aflag && !Wflag) ? 436 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 437 ((!Wflag || af1 == AF_INET) ? 438 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 439 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 440 "Proto", "Recv-Q", "Send-Q", 441 "Local Address", "Foreign Address"); 442 if (!xflag && !Rflag) 443 xo_emit(" (state)"); 444 } 445 if (xflag) { 446 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 447 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 448 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 449 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 450 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS", 451 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 452 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 453 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 454 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 455 "rexmt", "persist", "keep", "2msl", 456 "delack", "rcvtime"); 457 } else if (Rflag) { 458 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 459 "flowid", "ftype"); 460 } 461 xo_emit("\n"); 462 first = 0; 463 } 464 if (Lflag && so->so_qlimit == 0) 465 continue; 466 xo_open_instance("socket"); 467 if (Aflag) { 468 if (istcp) 469 xo_emit("{q:address/%*lx} ", 470 2 * (int)sizeof(void *), 471 (u_long)inp->inp_ppcb); 472 else 473 xo_emit("{q:adddress/%*lx} ", 474 2 * (int)sizeof(void *), 475 (u_long)so->so_pcb); 476 } 477 #ifdef INET6 478 if ((inp->inp_vflag & INP_IPV6) != 0) 479 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 480 "46" : "6"; 481 else 482 #endif 483 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 484 "4" : ""; 485 if (istcp && (tp->t_flags & TF_TOE) != 0) 486 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 487 else 488 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 489 if (Lflag) { 490 char buf1[33]; 491 492 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 493 so->so_incqlen, so->so_qlimit); 494 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 495 } else if (Tflag) { 496 if (istcp) 497 xo_emit("{:sent-retransmit-packets/%6u} " 498 "{:received-out-of-order-packets/%6u} " 499 "{:sent-zero-window/%6u} ", 500 tp->t_sndrexmitpack, tp->t_rcvoopack, 501 tp->t_sndzerowin); 502 else 503 xo_emit("{P:/%21s}", ""); 504 } else { 505 xo_emit("{:receive-bytes-waiting/%6u} " 506 "{:send-bytes-waiting/%6u} ", 507 so->so_rcv.sb_cc, so->so_snd.sb_cc); 508 } 509 if (numeric_port) { 510 if (inp->inp_vflag & INP_IPV4) { 511 inetprint("local", &inp->inp_laddr, 512 (int)inp->inp_lport, name, 1, af1); 513 if (!Lflag) 514 inetprint("remote", &inp->inp_faddr, 515 (int)inp->inp_fport, name, 1, af1); 516 } 517 #ifdef INET6 518 else if (inp->inp_vflag & INP_IPV6) { 519 inet6print("local", &inp->in6p_laddr, 520 (int)inp->inp_lport, name, 1); 521 if (!Lflag) 522 inet6print("remote", &inp->in6p_faddr, 523 (int)inp->inp_fport, name, 1); 524 } /* else nothing printed now */ 525 #endif /* INET6 */ 526 } else if (inp->inp_flags & INP_ANONPORT) { 527 if (inp->inp_vflag & INP_IPV4) { 528 inetprint("local", &inp->inp_laddr, 529 (int)inp->inp_lport, name, 1, af1); 530 if (!Lflag) 531 inetprint("remote", &inp->inp_faddr, 532 (int)inp->inp_fport, name, 0, af1); 533 } 534 #ifdef INET6 535 else if (inp->inp_vflag & INP_IPV6) { 536 inet6print("local", &inp->in6p_laddr, 537 (int)inp->inp_lport, name, 1); 538 if (!Lflag) 539 inet6print("remote", &inp->in6p_faddr, 540 (int)inp->inp_fport, name, 0); 541 } /* else nothing printed now */ 542 #endif /* INET6 */ 543 } else { 544 if (inp->inp_vflag & INP_IPV4) { 545 inetprint("local", &inp->inp_laddr, 546 (int)inp->inp_lport, name, 0, af1); 547 if (!Lflag) 548 inetprint("remote", &inp->inp_faddr, 549 (int)inp->inp_fport, name, 550 inp->inp_lport != inp->inp_fport, 551 af1); 552 } 553 #ifdef INET6 554 else if (inp->inp_vflag & INP_IPV6) { 555 inet6print("local", &inp->in6p_laddr, 556 (int)inp->inp_lport, name, 0); 557 if (!Lflag) 558 inet6print("remote", &inp->in6p_faddr, 559 (int)inp->inp_fport, name, 560 inp->inp_lport != inp->inp_fport); 561 } /* else nothing printed now */ 562 #endif /* INET6 */ 563 } 564 if (xflag) { 565 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} " 566 "{:receive-clusters/%6u} {:send-clusters/%6u} " 567 "{:receive-high-water/%6u} {:send-high-water/%6u} " 568 "{:receive-low-water/%6u} {:send-low-water/%6u} " 569 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 570 "{:receive-mbuf-bytes-max/%6u} " 571 "{:send-mbuf-bytes-max/%6u}", 572 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 573 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 574 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 575 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 576 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 577 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 578 if (timer != NULL) 579 xo_emit(" {:retransmit-timer/%4d.%02d} " 580 "{:persist-timer/%4d.%02d} " 581 "{:keepalive-timer/%4d.%02d} " 582 "{:msl2-timer/%4d.%02d} " 583 "{:delay-ack-timer/%4d.%02d} " 584 "{:inactivity-timer/%4d.%02d}", 585 timer->tt_rexmt / 1000, 586 (timer->tt_rexmt % 1000) / 10, 587 timer->tt_persist / 1000, 588 (timer->tt_persist % 1000) / 10, 589 timer->tt_keep / 1000, 590 (timer->tt_keep % 1000) / 10, 591 timer->tt_2msl / 1000, 592 (timer->tt_2msl % 1000) / 10, 593 timer->tt_delack / 1000, 594 (timer->tt_delack % 1000) / 10, 595 timer->t_rcvtime / 1000, 596 (timer->t_rcvtime % 1000) / 10); 597 } 598 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 599 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 600 xo_emit("{:tcp-state/%d}", tp->t_state); 601 else { 602 xo_emit("{:tcp-state/%s}", 603 tcpstates[tp->t_state]); 604 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 605 /* Show T/TCP `hidden state' */ 606 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 607 xo_emit("{:need-syn-or-fin/*}"); 608 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 609 } 610 } 611 if (Rflag) { 612 /* XXX: is this right Alfred */ 613 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 614 inp->inp_flowid, 615 inp->inp_flowtype); 616 } 617 xo_emit("\n"); 618 xo_close_instance("socket"); 619 } 620 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 621 if (oxig->xig_count > xig->xig_count) { 622 xo_emit("Some {d:lost/%s} sockets may have been " 623 "deleted.\n", name); 624 } else if (oxig->xig_count < xig->xig_count) { 625 xo_emit("Some {d:created/%s} sockets may have been " 626 "created.\n", name); 627 } else { 628 xo_emit("Some {d:changed/%s} sockets may have been " 629 "created or deleted.\n", name); 630 } 631 } 632 free(buf); 633 } 634 635 /* 636 * Dump TCP statistics structure. 637 */ 638 void 639 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 640 { 641 struct tcpstat tcpstat; 642 uint64_t tcps_states[TCP_NSTATES]; 643 644 #ifdef INET6 645 if (tcp_done != 0) 646 return; 647 else 648 tcp_done = 1; 649 #endif 650 651 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 652 sizeof(tcpstat), kread_counters) != 0) 653 return; 654 655 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 656 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 657 return; 658 659 xo_open_container("tcp"); 660 xo_emit("{T:/%s}:\n", name); 661 662 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 663 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 664 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 665 xo_emit(m, (uintmax_t )tcpstat.f) 666 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 667 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 668 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 669 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 670 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 671 (uintmax_t )tcpstat.f2) 672 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 673 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 674 675 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 676 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 677 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 678 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 679 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 680 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 681 "{N:retransmitted}\n"); 682 p(tcps_sndrexmitbad, "\t\t" 683 "{:sent-unnecessary-retransmitted-packets/%ju} " 684 "{N:/data packet%s unnecessarily retransmitted}\n"); 685 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 686 "{N:/resend%s initiated by MTU discovery}\n"); 687 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 688 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 689 "{N:delayed})\n"); 690 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 691 "{N:/URG only packet%s}\n"); 692 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 693 "{N:/window probe packet%s}\n"); 694 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 695 "{N:/window update packet%s}\n"); 696 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 697 "{N:/control packet%s}\n"); 698 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 699 "{N:/packet%s received}\n"); 700 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 701 "{:received-ack-packets/%ju} {N:/ack%s} " 702 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 703 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 704 "{N:/duplicate ack%s}\n"); 705 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 706 "{N:/ack%s for unsent data}\n"); 707 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 708 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 709 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 710 "{N:received in-sequence}\n"); 711 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 712 "{:received-completely-duplicate-packets/%ju} " 713 "{N:/completely duplicate packet%s} " 714 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 715 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 716 "{N:/old duplicate packet%s}\n"); 717 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 718 "{:received-some-duplicate-packets/%ju} " 719 "{N:/packet%s with some dup. data} " 720 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 721 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 722 "{N:/out-of-order packet%s} " 723 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 724 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 725 "{:received-after-window-packets/%ju} {N:/packet%s} " 726 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 727 "{N:of data after window}\n"); 728 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 729 "{N:/window probe%s}\n"); 730 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 731 "{N:/window update packet%s}\n"); 732 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 733 "{N:/packet%s received after close}\n"); 734 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 735 "{N:/discarded for bad checksum%s}\n"); 736 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 737 "{N:/discarded for bad header offset field%s}\n"); 738 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 739 "{N:discarded because packet too short}\n"); 740 p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} " 741 "{N:discarded due to memory problems}\n"); 742 p(tcps_connattempt, "\t{:connection-requests/%ju} " 743 "{N:/connection request%s}\n"); 744 p(tcps_accepts, "\t{:connections-accepts/%ju} " 745 "{N:/connection accept%s}\n"); 746 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 747 "{N:/bad connection attempt%s}\n"); 748 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 749 "{N:/listen queue overflow%s}\n"); 750 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 751 "{N:/ignored RSTs in the window%s}\n"); 752 p(tcps_connects, "\t{:connections-established/%ju} " 753 "{N:/connection%s established (including accepts)}\n"); 754 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 755 "{N:/connection%s closed (including} " 756 "{:connection-drops/%ju} {N:/drop%s})\n"); 757 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 758 "{N:/connection%s updated cached RTT on close}\n"); 759 p(tcps_cachedrttvar, "\t\t" 760 "{:connections-updated-variance-on-close/%ju} " 761 "{N:/connection%s updated cached RTT variance on close}\n"); 762 p(tcps_cachedssthresh, "\t\t" 763 "{:connections-updated-ssthresh-on-close/%ju} " 764 "{N:/connection%s updated cached ssthresh on close}\n"); 765 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 766 "{N:/embryonic connection%s dropped}\n"); 767 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 768 "{N:/segment%s updated rtt (of} " 769 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 770 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 771 "{N:/retransmit timeout%s}\n"); 772 p(tcps_timeoutdrop, "\t\t" 773 "{:connections-dropped-by-retransmit-timeout/%ju} " 774 "{N:/connection%s dropped by rexmit timeout}\n"); 775 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 776 "{N:/persist timeout%s}\n"); 777 p(tcps_persistdrop, "\t\t" 778 "{:connections-dropped-by-persist-timeout/%ju} " 779 "{N:/connection%s dropped by persist timeout}\n"); 780 p(tcps_finwait2_drops, "\t" 781 "{:connections-dropped-by-finwait2-timeout/%ju} " 782 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 783 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 784 "{N:/keepalive timeout%s}\n"); 785 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 786 "{N:/keepalive probe%s sent}\n"); 787 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 788 "{N:/connection%s dropped by keepalive}\n"); 789 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 790 "{N:/correct ACK header prediction%s}\n"); 791 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 792 "{N:/correct data packet header prediction%s}\n"); 793 794 xo_open_container("syncache"); 795 796 p3(tcps_sc_added, "\t{:entries-added/%ju} " 797 "{N:/syncache entr%s added}\n"); 798 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 799 "{N:/retransmitted}\n"); 800 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 801 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 802 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 803 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 804 "{N:/bucket overflow}\n"); 805 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 806 "{N:/cache overflow}\n"); 807 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 808 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 809 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 810 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 811 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 812 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 813 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 814 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 815 "{N:/cookie%s received}\n"); 816 817 xo_close_container("syncache"); 818 819 xo_open_container("hostcache"); 820 821 p3(tcps_hc_added, "\t{:entries-added/%ju} " 822 "{N:/hostcache entr%s added}\n"); 823 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 824 "{N:/bucket overflow}\n"); 825 826 xo_close_container("hostcache"); 827 828 xo_open_container("sack"); 829 830 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 831 "{N:/SACK recovery episode%s}\n"); 832 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 833 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 834 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 835 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 836 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 837 "{N:/SACK option%s (SACK blocks) received}\n"); 838 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 839 "{N:/SACK option%s (SACK blocks) sent}\n"); 840 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 841 "{N:/SACK scoreboard overflow}\n"); 842 843 xo_close_container("sack"); 844 xo_open_container("ecn"); 845 846 p(tcps_ecn_ce, "\t{:ce-packets/%ju} " 847 "{N:/packet%s with ECN CE bit set}\n"); 848 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " 849 "{N:/packet%s with ECN ECT(0) bit set}\n"); 850 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " 851 "{N:/packet%s with ECN ECT(1) bit set}\n"); 852 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 853 "{N:/successful ECN handshake%s}\n"); 854 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 855 "{N:/time%s ECN reduced the congestion window}\n"); 856 #undef p 857 #undef p1a 858 #undef p2 859 #undef p2a 860 #undef p3 861 xo_close_container("ecn"); 862 863 xo_open_container("TCP connection count by state"); 864 xo_emit("{T:/TCP connection count by state}:\n"); 865 for (int i = 0; i < TCP_NSTATES; i++) { 866 /* 867 * XXXGL: is there a way in libxo to use %s 868 * in the "content string" of a format 869 * string? I failed to do that, that's why 870 * a temporary buffer is used to construct 871 * format string for xo_emit(). 872 */ 873 char fmtbuf[80]; 874 875 if (sflag > 1 && tcps_states[i] == 0) 876 continue; 877 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 878 "{Np:/connection ,connections} in %s state\n", 879 tcpstates[i], tcpstates[i]); 880 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 881 } 882 xo_close_container("TCP connection count by state"); 883 884 xo_close_container("tcp"); 885 } 886 887 /* 888 * Dump UDP statistics structure. 889 */ 890 void 891 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 892 { 893 struct udpstat udpstat; 894 uint64_t delivered; 895 896 #ifdef INET6 897 if (udp_done != 0) 898 return; 899 else 900 udp_done = 1; 901 #endif 902 903 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 904 sizeof(udpstat), kread_counters) != 0) 905 return; 906 907 xo_open_container("udp"); 908 xo_emit("{T:/%s}:\n", name); 909 910 #define p(f, m) if (udpstat.f || sflag <= 1) \ 911 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 912 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 913 xo_emit("\t" m, (uintmax_t)udpstat.f) 914 915 p(udps_ipackets, "{:received-datagrams/%ju} " 916 "{N:/datagram%s received}\n"); 917 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 918 "{N:/with incomplete header}\n"); 919 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 920 "{N:/with bad data length field}\n"); 921 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 922 "{N:/with bad checksum}\n"); 923 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 924 "{N:/with no checksum}\n"); 925 p1a(udps_noport, "{:dropped-no-socket/%ju} " 926 "{N:/dropped due to no socket}\n"); 927 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 928 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 929 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 930 "{N:/dropped due to full socket buffers}\n"); 931 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 932 "{N:/not for hashed pcb}\n"); 933 delivered = udpstat.udps_ipackets - 934 udpstat.udps_hdrops - 935 udpstat.udps_badlen - 936 udpstat.udps_badsum - 937 udpstat.udps_noport - 938 udpstat.udps_noportbcast - 939 udpstat.udps_fullsock; 940 if (delivered || sflag <= 1) 941 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 942 (uint64_t)delivered); 943 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 944 /* the next statistic is cumulative in udps_noportbcast */ 945 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 946 "{N:/time%s multicast source filter matched}\n"); 947 #undef p 948 #undef p1a 949 xo_close_container("udp"); 950 } 951 952 /* 953 * Dump CARP statistics structure. 954 */ 955 void 956 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 957 { 958 struct carpstats carpstat; 959 960 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 961 sizeof(carpstat), kread_counters) != 0) 962 return; 963 964 xo_open_container(name); 965 xo_emit("{T:/%s}:\n", name); 966 967 #define p(f, m) if (carpstat.f || sflag <= 1) \ 968 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 969 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 970 xo_emit(m, (uintmax_t)carpstat.f) 971 972 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 973 "{N:/packet%s received (IPv4)}\n"); 974 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 975 "{N:/packet%s received (IPv6)}\n"); 976 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 977 "{N:/packet%s discarded for wrong TTL}\n"); 978 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 979 "{N:/packet%s shorter than header}\n"); 980 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 981 "{N:/discarded for bad checksum%s}\n"); 982 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 983 "{N:/discarded packet%s with a bad version}\n"); 984 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 985 "{N:/discarded because packet too short}\n"); 986 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 987 "{N:/discarded for bad authentication}\n"); 988 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 989 "{N:/discarded for bad vhid}\n"); 990 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 991 "{N:/discarded because of a bad address list}\n"); 992 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 993 "{N:/packet%s sent (IPv4)}\n"); 994 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 995 "{N:/packet%s sent (IPv6)}\n"); 996 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 997 "{N:/send failed due to mbuf memory error}\n"); 998 #if notyet 999 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1000 "{N:/state update%s sent}\n"); 1001 #endif 1002 #undef p 1003 #undef p2 1004 xo_close_container(name); 1005 } 1006 1007 /* 1008 * Dump IP statistics structure. 1009 */ 1010 void 1011 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1012 { 1013 struct ipstat ipstat; 1014 1015 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1016 sizeof(ipstat), kread_counters) != 0) 1017 return; 1018 1019 xo_open_container(name); 1020 xo_emit("{T:/%s}:\n", name); 1021 1022 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1023 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1024 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1025 xo_emit(m, (uintmax_t )ipstat.f) 1026 1027 p(ips_total, "\t{:received-packets/%ju} " 1028 "{N:/total packet%s received}\n"); 1029 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1030 "{N:/bad header checksum%s}\n"); 1031 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1032 "{N:/with size smaller than minimum}\n"); 1033 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1034 "{N:/with data size < data length}\n"); 1035 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1036 "{N:/with ip length > max ip packet size}\n"); 1037 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1038 "{N:/with header length < data size}\n"); 1039 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1040 "{N:/with data length < header length}\n"); 1041 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1042 "{N:/with bad options}\n"); 1043 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1044 "{N:/with incorrect version number}\n"); 1045 p(ips_fragments, "\t{:received-fragments/%ju} " 1046 "{N:/fragment%s received}\n"); 1047 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1048 "{N:/fragment%s dropped (dup or out of space)}\n"); 1049 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1050 "{N:/fragment%s dropped after timeout}\n"); 1051 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1052 "{N:/packet%s reassembled ok}\n"); 1053 p(ips_delivered, "\t{:received-local-packets/%ju} " 1054 "{N:/packet%s for this host}\n"); 1055 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1056 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1057 p(ips_forward, "\t{:forwarded-packets/%ju} " 1058 "{N:/packet%s forwarded}"); 1059 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1060 "{N:/packet%s fast forwarded})"); 1061 if (ipstat.ips_forward || sflag <= 1) 1062 xo_emit("\n"); 1063 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1064 "{N:/packet%s not forwardable}\n"); 1065 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1066 "{N:/packet%s received for unknown multicast group}\n"); 1067 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1068 "{N:/redirect%s sent}\n"); 1069 p(ips_localout, "\t{:sent-packets/%ju} " 1070 "{N:/packet%s sent from this host}\n"); 1071 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1072 "{N:/packet%s sent with fabricated ip header}\n"); 1073 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1074 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1075 p(ips_noroute, "\t{:discard-no-route/%ju} " 1076 "{N:/output packet%s discarded due to no route}\n"); 1077 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1078 "{N:/output datagram%s fragmented}\n"); 1079 p(ips_ofragments, "\t{:fragments-created/%ju} " 1080 "{N:/fragment%s created}\n"); 1081 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1082 "{N:/datagram%s that can't be fragmented}\n"); 1083 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1084 "{N:/tunneling packet%s that can't find gif}\n"); 1085 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1086 "{N:/datagram%s with bad address in header}\n"); 1087 #undef p 1088 #undef p1a 1089 xo_close_container(name); 1090 } 1091 1092 /* 1093 * Dump ARP statistics structure. 1094 */ 1095 void 1096 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1097 { 1098 struct arpstat arpstat; 1099 1100 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1101 sizeof(arpstat), kread_counters) != 0) 1102 return; 1103 1104 xo_open_container(name); 1105 xo_emit("{T:/%s}:\n", name); 1106 1107 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1108 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1109 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1110 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1111 1112 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1113 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1114 p(rxrequests, "{:received-requests/%ju} " 1115 "{N:/ARP request%s received}\n"); 1116 p2(rxreplies, "{:received-replies/%ju} " 1117 "{N:/ARP repl%s received}\n"); 1118 p(received, "{:received-packers/%ju} " 1119 "{N:/ARP packet%s received}\n"); 1120 p(dropped, "{:dropped-no-entry/%ju} " 1121 "{N:/total packet%s dropped due to no ARP entry}\n"); 1122 p(timeouts, "{:entries-timeout/%ju} " 1123 "{N:/ARP entry%s timed out}\n"); 1124 p(dupips, "{:dropped-duplicate-address/%ju} " 1125 "{N:/Duplicate IP%s seen}\n"); 1126 #undef p 1127 #undef p2 1128 xo_close_container(name); 1129 } 1130 1131 1132 1133 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1134 "echo reply", /* RFC 792 */ 1135 "#1", 1136 "#2", 1137 "destination unreachable", /* RFC 792 */ 1138 "source quench", /* RFC 792 */ 1139 "routing redirect", /* RFC 792 */ 1140 "#6", 1141 "#7", 1142 "echo", /* RFC 792 */ 1143 "router advertisement", /* RFC 1256 */ 1144 "router solicitation", /* RFC 1256 */ 1145 "time exceeded", /* RFC 792 */ 1146 "parameter problem", /* RFC 792 */ 1147 "time stamp", /* RFC 792 */ 1148 "time stamp reply", /* RFC 792 */ 1149 "information request", /* RFC 792 */ 1150 "information request reply", /* RFC 792 */ 1151 "address mask request", /* RFC 950 */ 1152 "address mask reply", /* RFC 950 */ 1153 "#19", 1154 "#20", 1155 "#21", 1156 "#22", 1157 "#23", 1158 "#24", 1159 "#25", 1160 "#26", 1161 "#27", 1162 "#28", 1163 "#29", 1164 "icmp traceroute", /* RFC 1393 */ 1165 "datagram conversion error", /* RFC 1475 */ 1166 "mobile host redirect", 1167 "IPv6 where-are-you", 1168 "IPv6 i-am-here", 1169 "mobile registration req", 1170 "mobile registration reply", 1171 "domain name request", /* RFC 1788 */ 1172 "domain name reply", /* RFC 1788 */ 1173 "icmp SKIP", 1174 "icmp photuris", /* RFC 2521 */ 1175 }; 1176 1177 /* 1178 * Dump ICMP statistics. 1179 */ 1180 void 1181 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1182 { 1183 struct icmpstat icmpstat; 1184 size_t len; 1185 int i, first; 1186 1187 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1188 sizeof(icmpstat), kread_counters) != 0) 1189 return; 1190 1191 xo_open_container(name); 1192 xo_emit("{T:/%s}:\n", name); 1193 1194 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1195 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1196 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1197 xo_emit(m, icmpstat.f) 1198 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1199 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1200 1201 p(icps_error, "\t{:icmp-calls/%lu} " 1202 "{N:/call%s to icmp_error}\n"); 1203 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1204 "{N:/error%s not generated in response to an icmp message}\n"); 1205 1206 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1207 if (icmpstat.icps_outhist[i] != 0) { 1208 if (first) { 1209 xo_open_list("output-histogram"); 1210 xo_emit("\tOutput histogram:\n"); 1211 first = 0; 1212 } 1213 xo_open_instance("output-histogram"); 1214 if (icmpnames[i] != NULL) 1215 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1216 icmpnames[i], icmpstat.icps_outhist[i]); 1217 else 1218 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1219 "{:count/%lu}\n", 1220 i, icmpstat.icps_outhist[i]); 1221 xo_close_instance("output-histogram"); 1222 } 1223 } 1224 if (!first) 1225 xo_close_list("output-histogram"); 1226 1227 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1228 "{N:/message%s with bad code fields}\n"); 1229 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1230 "{N:/message%s less than the minimum length}\n"); 1231 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1232 "{N:/message%s with bad checksum}\n"); 1233 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1234 "{N:/message%s with bad length}\n"); 1235 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1236 "{N:/multicast echo requests ignored}\n"); 1237 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1238 "{N:/multicast timestamp requests ignored}\n"); 1239 1240 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1241 if (icmpstat.icps_inhist[i] != 0) { 1242 if (first) { 1243 xo_open_list("input-histogram"); 1244 xo_emit("\tInput histogram:\n"); 1245 first = 0; 1246 } 1247 xo_open_instance("input-histogram"); 1248 if (icmpnames[i] != NULL) 1249 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1250 icmpnames[i], 1251 icmpstat.icps_inhist[i]); 1252 else 1253 xo_emit( 1254 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1255 i, icmpstat.icps_inhist[i]); 1256 xo_close_instance("input-histogram"); 1257 } 1258 } 1259 if (!first) 1260 xo_close_list("input-histogram"); 1261 1262 p(icps_reflect, "\t{:sent-packets/%lu} " 1263 "{N:/message response%s generated}\n"); 1264 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1265 "{N:/invalid return address%s}\n"); 1266 p(icps_noroute, "\t{:discard-no-route/%lu} " 1267 "{N:/no return route%s}\n"); 1268 #undef p 1269 #undef p1a 1270 #undef p2 1271 if (live) { 1272 len = sizeof i; 1273 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1274 0) 1275 return; 1276 xo_emit("\tICMP address mask responses are " 1277 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1278 } 1279 1280 xo_close_container(name); 1281 } 1282 1283 /* 1284 * Dump IGMP statistics structure. 1285 */ 1286 void 1287 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1288 { 1289 struct igmpstat igmpstat; 1290 1291 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1292 sizeof(igmpstat), kread) != 0) 1293 return; 1294 1295 if (igmpstat.igps_version != IGPS_VERSION_3) { 1296 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1297 igmpstat.igps_version, IGPS_VERSION_3); 1298 } 1299 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1300 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1301 igmpstat.igps_len, IGPS_VERSION3_LEN); 1302 } 1303 1304 xo_open_container(name); 1305 xo_emit("{T:/%s}:\n", name); 1306 1307 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1308 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1309 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1310 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1311 1312 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1313 "{N:/message%s received}\n"); 1314 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1315 "{N:/message%s received with too few bytes}\n"); 1316 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1317 "{N:/message%s received with wrong TTL}\n"); 1318 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1319 "{N:/message%s received with bad checksum}\n"); 1320 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1321 "{N:/V1\\/V2 membership quer%s received}\n"); 1322 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1323 "{N:/V3 membership quer%s received}\n"); 1324 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1325 "{N:/membership quer%s received with invalid field(s)}\n"); 1326 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1327 "{N:/general quer%s received}\n"); 1328 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1329 "{N:/group quer%s received}\n"); 1330 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1331 "{N:/group-source quer%s received}\n"); 1332 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1333 "{N:/group-source quer%s dropped}\n"); 1334 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1335 "{N:/membership report%s received}\n"); 1336 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1337 "{N:/membership report%s received with invalid field(s)}\n"); 1338 p64(igps_rcv_ourreports, "\t" 1339 "{:received-membership-reports-matching/%ju} " 1340 "{N:/membership report%s received for groups to which we belong}" 1341 "\n"); 1342 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1343 "{N:/V3 report%s received without Router Alert}\n"); 1344 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1345 "{N:/membership report%s sent}\n"); 1346 #undef p64 1347 #undef py64 1348 xo_close_container(name); 1349 } 1350 1351 /* 1352 * Dump PIM statistics structure. 1353 */ 1354 void 1355 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1356 int proto __unused) 1357 { 1358 struct pimstat pimstat; 1359 1360 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1361 sizeof(pimstat), kread_counters) != 0) 1362 return; 1363 1364 xo_open_container(name); 1365 xo_emit("{T:/%s}:\n", name); 1366 1367 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1368 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1369 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1370 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1371 1372 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1373 "{N:/message%s received}\n"); 1374 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1375 "{N:/byte%s received}\n"); 1376 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1377 "{N:/message%s received with too few bytes}\n"); 1378 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1379 "{N:/message%s received with bad checksum}\n"); 1380 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1381 "{N:/message%s received with bad version}\n"); 1382 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1383 "{N:/data register message%s received}\n"); 1384 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1385 "{N:/data register byte%s received}\n"); 1386 p(pims_rcv_registers_wrongiif, "\t" 1387 "{:received-data-register-wrong-interface/%ju} " 1388 "{N:/data register message%s received on wrong iif}\n"); 1389 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1390 "{N:/bad register%s received}\n"); 1391 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1392 "{N:/data register message%s sent}\n"); 1393 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1394 "{N:/data register byte%s sent}\n"); 1395 #undef p 1396 #undef py 1397 xo_close_container(name); 1398 } 1399 1400 /* 1401 * Pretty print an Internet address (net address + port). 1402 */ 1403 void 1404 inetprint(const char *container, struct in_addr *in, int port, 1405 const char *proto, int num_port, const int af1) 1406 { 1407 struct servent *sp = 0; 1408 char line[80], *cp; 1409 int width; 1410 1411 if (container) 1412 xo_open_container(container); 1413 1414 if (Wflag) 1415 sprintf(line, "%s.", inetname(in)); 1416 else 1417 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in)); 1418 cp = strchr(line, '\0'); 1419 if (!num_port && port) 1420 sp = getservbyport((int)port, proto); 1421 if (sp || port == 0) 1422 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 1423 else 1424 sprintf(cp, "%d ", ntohs((u_short)port)); 1425 width = (Aflag && !Wflag) ? 18 : 1426 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1427 if (Wflag) 1428 xo_emit("{d:target/%-*s} ", width, line); 1429 else 1430 xo_emit("{d:target/%-*.*s} ", width, width, line); 1431 1432 int alen = cp - line - 1, plen = strlen(cp) - 1; 1433 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1434 plen, cp); 1435 1436 if (container) 1437 xo_close_container(container); 1438 } 1439 1440 /* 1441 * Construct an Internet address representation. 1442 * If numeric_addr has been supplied, give 1443 * numeric value, otherwise try for symbolic name. 1444 */ 1445 char * 1446 inetname(struct in_addr *inp) 1447 { 1448 char *cp; 1449 static char line[MAXHOSTNAMELEN]; 1450 struct hostent *hp; 1451 struct netent *np; 1452 1453 cp = 0; 1454 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1455 int net = inet_netof(*inp); 1456 int lna = inet_lnaof(*inp); 1457 1458 if (lna == INADDR_ANY) { 1459 np = getnetbyaddr(net, AF_INET); 1460 if (np) 1461 cp = np->n_name; 1462 } 1463 if (cp == NULL) { 1464 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1465 if (hp) { 1466 cp = hp->h_name; 1467 trimdomain(cp, strlen(cp)); 1468 } 1469 } 1470 } 1471 if (inp->s_addr == INADDR_ANY) 1472 strcpy(line, "*"); 1473 else if (cp) { 1474 strlcpy(line, cp, sizeof(line)); 1475 } else { 1476 inp->s_addr = ntohl(inp->s_addr); 1477 #define C(x) ((u_int)((x) & 0xff)) 1478 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 1479 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 1480 } 1481 return (line); 1482 } 1483