inet.c revision 311670
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 32static 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: stable/11/usr.bin/netstat/inet.c 311670 2017-01-08 07:25:22Z delphij $"); 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 87void inetprint(const char *, struct in_addr *, int, const char *, int, 88 const int); 89#ifdef INET6 90static int udp_done, tcp_done, sdp_done; 91#endif /* INET6 */ 92 93static int 94pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused) 95{ 96 const char *mibvar; 97 char *buf; 98 size_t len; 99 100 switch (proto) { 101 case IPPROTO_TCP: 102 mibvar = "net.inet.tcp.pcblist"; 103 break; 104 case IPPROTO_UDP: 105 mibvar = "net.inet.udp.pcblist"; 106 break; 107 case IPPROTO_DIVERT: 108 mibvar = "net.inet.divert.pcblist"; 109 break; 110 default: 111 mibvar = "net.inet.raw.pcblist"; 112 break; 113 } 114 if (strncmp(name, "sdp", 3) == 0) 115 mibvar = "net.inet.sdp.pcblist"; 116 len = 0; 117 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 118 if (errno != ENOENT) 119 xo_warn("sysctl: %s", mibvar); 120 return (0); 121 } 122 if ((buf = malloc(len)) == NULL) { 123 xo_warnx("malloc %lu bytes", (u_long)len); 124 return (0); 125 } 126 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 127 xo_warn("sysctl: %s", mibvar); 128 free(buf); 129 return (0); 130 } 131 *bufp = buf; 132 return (1); 133} 134 135/* 136 * Copied directly from uipc_socket2.c. We leave out some fields that are in 137 * nested structures that aren't used to avoid extra work. 138 */ 139static void 140sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 141{ 142 xsb->sb_cc = sb->sb_ccc; 143 xsb->sb_hiwat = sb->sb_hiwat; 144 xsb->sb_mbcnt = sb->sb_mbcnt; 145 xsb->sb_mcnt = sb->sb_mcnt; 146 xsb->sb_ccnt = sb->sb_ccnt; 147 xsb->sb_mbmax = sb->sb_mbmax; 148 xsb->sb_lowat = sb->sb_lowat; 149 xsb->sb_flags = sb->sb_flags; 150 xsb->sb_timeo = sb->sb_timeo; 151} 152 153int 154sotoxsocket(struct socket *so, struct xsocket *xso) 155{ 156 struct protosw proto; 157 struct domain domain; 158 159 bzero(xso, sizeof *xso); 160 xso->xso_len = sizeof *xso; 161 xso->xso_so = so; 162 xso->so_type = so->so_type; 163 xso->so_options = so->so_options; 164 xso->so_linger = so->so_linger; 165 xso->so_state = so->so_state; 166 xso->so_pcb = so->so_pcb; 167 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 168 return (-1); 169 xso->xso_protocol = proto.pr_protocol; 170 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 171 return (-1); 172 xso->xso_family = domain.dom_family; 173 xso->so_qlen = so->so_qlen; 174 xso->so_incqlen = so->so_incqlen; 175 xso->so_qlimit = so->so_qlimit; 176 xso->so_timeo = so->so_timeo; 177 xso->so_error = so->so_error; 178 xso->so_oobmark = so->so_oobmark; 179 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 180 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 181 return (0); 182} 183 184static int 185pcblist_kvm(u_long off, char **bufp, int istcp) 186{ 187 struct inpcbinfo pcbinfo; 188 struct inpcbhead listhead; 189 struct inpcb *inp; 190 struct xinpcb xi; 191 struct xinpgen xig; 192 struct xtcpcb xt; 193 struct socket so; 194 struct xsocket *xso; 195 char *buf, *p; 196 size_t len; 197 198 if (off == 0) 199 return (0); 200 kread(off, &pcbinfo, sizeof(pcbinfo)); 201 if (istcp) 202 len = 2 * sizeof(xig) + 203 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 204 sizeof(struct xtcpcb); 205 else 206 len = 2 * sizeof(xig) + 207 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 208 sizeof(struct xinpcb); 209 if ((buf = malloc(len)) == NULL) { 210 xo_warnx("malloc %lu bytes", (u_long)len); 211 return (0); 212 } 213 p = buf; 214 215#define COPYOUT(obj, size) do { \ 216 if (len < (size)) { \ 217 xo_warnx("buffer size exceeded"); \ 218 goto fail; \ 219 } \ 220 bcopy((obj), p, (size)); \ 221 len -= (size); \ 222 p += (size); \ 223} while (0) 224 225#define KREAD(off, buf, len) do { \ 226 if (kread((uintptr_t)(off), (buf), (len)) != 0) \ 227 goto fail; \ 228} while (0) 229 230 /* Write out header. */ 231 xig.xig_len = sizeof xig; 232 xig.xig_count = pcbinfo.ipi_count; 233 xig.xig_gen = pcbinfo.ipi_gencnt; 234 xig.xig_sogen = 0; 235 COPYOUT(&xig, sizeof xig); 236 237 /* Walk the PCB list. */ 238 xt.xt_len = sizeof xt; 239 xi.xi_len = sizeof xi; 240 if (istcp) 241 xso = &xt.xt_socket; 242 else 243 xso = &xi.xi_socket; 244 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead)); 245 LIST_FOREACH(inp, &listhead, inp_list) { 246 if (istcp) { 247 KREAD(inp, &xt.xt_inp, sizeof(*inp)); 248 inp = &xt.xt_inp; 249 } else { 250 KREAD(inp, &xi.xi_inp, sizeof(*inp)); 251 inp = &xi.xi_inp; 252 } 253 254 if (inp->inp_gencnt > pcbinfo.ipi_gencnt) 255 continue; 256 257 if (istcp) { 258 if (inp->inp_ppcb == NULL) 259 bzero(&xt.xt_tp, sizeof xt.xt_tp); 260 else if (inp->inp_flags & INP_TIMEWAIT) { 261 bzero(&xt.xt_tp, sizeof xt.xt_tp); 262 xt.xt_tp.t_state = TCPS_TIME_WAIT; 263 } else 264 KREAD(inp->inp_ppcb, &xt.xt_tp, 265 sizeof xt.xt_tp); 266 } 267 if (inp->inp_socket) { 268 KREAD(inp->inp_socket, &so, sizeof(so)); 269 if (sotoxsocket(&so, xso) != 0) 270 goto fail; 271 } else { 272 bzero(xso, sizeof(*xso)); 273 if (istcp) 274 xso->xso_protocol = IPPROTO_TCP; 275 } 276 if (istcp) 277 COPYOUT(&xt, sizeof xt); 278 else 279 COPYOUT(&xi, sizeof xi); 280 } 281 282 /* Reread the pcbinfo and write out the footer. */ 283 kread(off, &pcbinfo, sizeof(pcbinfo)); 284 xig.xig_count = pcbinfo.ipi_count; 285 xig.xig_gen = pcbinfo.ipi_gencnt; 286 COPYOUT(&xig, sizeof xig); 287 288 *bufp = buf; 289 return (1); 290 291fail: 292 free(buf); 293 return (0); 294#undef COPYOUT 295#undef KREAD 296} 297 298/* 299 * Print a summary of connections related to an Internet 300 * protocol. For TCP, also give state of connection. 301 * Listening processes (aflag) are suppressed unless the 302 * -a (all) flag is specified. 303 */ 304void 305protopr(u_long off, const char *name, int af1, int proto) 306{ 307 int istcp; 308 static int first = 1; 309 char *buf; 310 const char *vchar; 311 struct tcpcb *tp = NULL; 312 struct inpcb *inp; 313 struct xinpgen *xig, *oxig; 314 struct xsocket *so; 315 struct xtcp_timer *timer; 316 317 istcp = 0; 318 switch (proto) { 319 case IPPROTO_TCP: 320#ifdef INET6 321 if (strncmp(name, "sdp", 3) != 0) { 322 if (tcp_done != 0) 323 return; 324 else 325 tcp_done = 1; 326 } else { 327 if (sdp_done != 0) 328 return; 329 else 330 sdp_done = 1; 331 } 332#endif 333 istcp = 1; 334 break; 335 case IPPROTO_UDP: 336#ifdef INET6 337 if (udp_done != 0) 338 return; 339 else 340 udp_done = 1; 341#endif 342 break; 343 } 344 if (live) { 345 if (!pcblist_sysctl(proto, name, &buf, istcp)) 346 return; 347 } else { 348 if (!pcblist_kvm(off, &buf, istcp)) 349 return; 350 } 351 352 oxig = xig = (struct xinpgen *)buf; 353 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 354 xig->xig_len > sizeof(struct xinpgen); 355 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 356 if (istcp) { 357 timer = &((struct xtcpcb *)xig)->xt_timer; 358 tp = &((struct xtcpcb *)xig)->xt_tp; 359 inp = &((struct xtcpcb *)xig)->xt_inp; 360 so = &((struct xtcpcb *)xig)->xt_socket; 361 } else { 362 inp = &((struct xinpcb *)xig)->xi_inp; 363 so = &((struct xinpcb *)xig)->xi_socket; 364 timer = NULL; 365 } 366 367 /* Ignore sockets for protocols other than the desired one. */ 368 if (so->xso_protocol != proto) 369 continue; 370 371 /* Ignore PCBs which were freed during copyout. */ 372 if (inp->inp_gencnt > oxig->xig_gen) 373 continue; 374 375 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 376#ifdef INET6 377 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 378#endif /* INET6 */ 379 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 380#ifdef INET6 381 && (inp->inp_vflag & INP_IPV6) == 0 382#endif /* INET6 */ 383 )) 384 ) 385 continue; 386 if (!aflag && 387 ( 388 (istcp && tp->t_state == TCPS_LISTEN) 389 || (af1 == AF_INET && 390 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 391#ifdef INET6 392 || (af1 == AF_INET6 && 393 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 394#endif /* INET6 */ 395 || (af1 == AF_UNSPEC && 396 (((inp->inp_vflag & INP_IPV4) != 0 && 397 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 398#ifdef INET6 399 || ((inp->inp_vflag & INP_IPV6) != 0 && 400 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 401#endif 402 )) 403 )) 404 continue; 405 406 if (first) { 407 if (!Lflag) { 408 xo_emit("Active Internet connections"); 409 if (aflag) 410 xo_emit(" (including servers)"); 411 } else 412 xo_emit( 413 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 414 xo_emit("\n"); 415 if (Aflag) 416 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 417 "Tcpcb"); 418 if (Lflag) 419 xo_emit((Aflag && !Wflag) ? 420 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 421 ((!Wflag || af1 == AF_INET) ? 422 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 423 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 424 "Proto", "Listen", "Local Address"); 425 else if (Tflag) 426 xo_emit((Aflag && !Wflag) ? 427 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 428 ((!Wflag || af1 == AF_INET) ? 429 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 430 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 431 "Proto", "Rexmit", "OOORcv", "0-win", 432 "Local Address", "Foreign Address"); 433 else { 434 xo_emit((Aflag && !Wflag) ? 435 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 436 ((!Wflag || af1 == AF_INET) ? 437 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 438 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 439 "Proto", "Recv-Q", "Send-Q", 440 "Local Address", "Foreign Address"); 441 if (!xflag && !Rflag) 442 xo_emit(" (state)"); 443 } 444 if (xflag) { 445 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 446 "{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 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS", 450 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 451 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 452 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 453 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 454 "rexmt", "persist", "keep", "2msl", 455 "delack", "rcvtime"); 456 } else if (Rflag) { 457 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 458 "flowid", "ftype"); 459 } 460 xo_emit("\n"); 461 first = 0; 462 } 463 if (Lflag && so->so_qlimit == 0) 464 continue; 465 xo_open_instance("socket"); 466 if (Aflag) { 467 if (istcp) 468 xo_emit("{q:address/%*lx} ", 469 2 * (int)sizeof(void *), 470 (u_long)inp->inp_ppcb); 471 else 472 xo_emit("{q:adddress/%*lx} ", 473 2 * (int)sizeof(void *), 474 (u_long)so->so_pcb); 475 } 476#ifdef INET6 477 if ((inp->inp_vflag & INP_IPV6) != 0) 478 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 479 "46" : "6"; 480 else 481#endif 482 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 483 "4" : ""; 484 if (istcp && (tp->t_flags & TF_TOE) != 0) 485 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 486 else 487 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 488 if (Lflag) { 489 char buf1[33]; 490 491 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 492 so->so_incqlen, so->so_qlimit); 493 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 494 } else if (Tflag) { 495 if (istcp) 496 xo_emit("{:sent-retransmit-packets/%6u} " 497 "{:received-out-of-order-packets/%6u} " 498 "{:sent-zero-window/%6u} ", 499 tp->t_sndrexmitpack, tp->t_rcvoopack, 500 tp->t_sndzerowin); 501 else 502 xo_emit("{P:/%21s}", ""); 503 } else { 504 xo_emit("{:receive-bytes-waiting/%6u} " 505 "{:send-bytes-waiting/%6u} ", 506 so->so_rcv.sb_cc, so->so_snd.sb_cc); 507 } 508 if (numeric_port) { 509 if (inp->inp_vflag & INP_IPV4) { 510 inetprint("local", &inp->inp_laddr, 511 (int)inp->inp_lport, name, 1, af1); 512 if (!Lflag) 513 inetprint("remote", &inp->inp_faddr, 514 (int)inp->inp_fport, name, 1, af1); 515 } 516#ifdef INET6 517 else if (inp->inp_vflag & INP_IPV6) { 518 inet6print("local", &inp->in6p_laddr, 519 (int)inp->inp_lport, name, 1); 520 if (!Lflag) 521 inet6print("remote", &inp->in6p_faddr, 522 (int)inp->inp_fport, name, 1); 523 } /* else nothing printed now */ 524#endif /* INET6 */ 525 } else if (inp->inp_flags & INP_ANONPORT) { 526 if (inp->inp_vflag & INP_IPV4) { 527 inetprint("local", &inp->inp_laddr, 528 (int)inp->inp_lport, name, 1, af1); 529 if (!Lflag) 530 inetprint("remote", &inp->inp_faddr, 531 (int)inp->inp_fport, name, 0, af1); 532 } 533#ifdef INET6 534 else if (inp->inp_vflag & INP_IPV6) { 535 inet6print("local", &inp->in6p_laddr, 536 (int)inp->inp_lport, name, 1); 537 if (!Lflag) 538 inet6print("remote", &inp->in6p_faddr, 539 (int)inp->inp_fport, name, 0); 540 } /* else nothing printed now */ 541#endif /* INET6 */ 542 } else { 543 if (inp->inp_vflag & INP_IPV4) { 544 inetprint("local", &inp->inp_laddr, 545 (int)inp->inp_lport, name, 0, af1); 546 if (!Lflag) 547 inetprint("remote", &inp->inp_faddr, 548 (int)inp->inp_fport, name, 549 inp->inp_lport != inp->inp_fport, 550 af1); 551 } 552#ifdef INET6 553 else if (inp->inp_vflag & INP_IPV6) { 554 inet6print("local", &inp->in6p_laddr, 555 (int)inp->inp_lport, name, 0); 556 if (!Lflag) 557 inet6print("remote", &inp->in6p_faddr, 558 (int)inp->inp_fport, name, 559 inp->inp_lport != inp->inp_fport); 560 } /* else nothing printed now */ 561#endif /* INET6 */ 562 } 563 if (xflag) { 564 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} " 565 "{:receive-clusters/%6u} {:send-clusters/%6u} " 566 "{:receive-high-water/%6u} {:send-high-water/%6u} " 567 "{:receive-low-water/%6u} {:send-low-water/%6u} " 568 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 569 "{:receive-mbuf-bytes-max/%6u} " 570 "{:send-mbuf-bytes-max/%6u}", 571 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 572 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 573 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 574 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 575 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 576 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 577 if (timer != NULL) 578 xo_emit(" {:retransmit-timer/%4d.%02d} " 579 "{:persist-timer/%4d.%02d} " 580 "{:keepalive-timer/%4d.%02d} " 581 "{:msl2-timer/%4d.%02d} " 582 "{:delay-ack-timer/%4d.%02d} " 583 "{:inactivity-timer/%4d.%02d}", 584 timer->tt_rexmt / 1000, 585 (timer->tt_rexmt % 1000) / 10, 586 timer->tt_persist / 1000, 587 (timer->tt_persist % 1000) / 10, 588 timer->tt_keep / 1000, 589 (timer->tt_keep % 1000) / 10, 590 timer->tt_2msl / 1000, 591 (timer->tt_2msl % 1000) / 10, 592 timer->tt_delack / 1000, 593 (timer->tt_delack % 1000) / 10, 594 timer->t_rcvtime / 1000, 595 (timer->t_rcvtime % 1000) / 10); 596 } 597 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 598 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 599 xo_emit("{:tcp-state/%d}", tp->t_state); 600 else { 601 xo_emit("{:tcp-state/%s}", 602 tcpstates[tp->t_state]); 603#if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 604 /* Show T/TCP `hidden state' */ 605 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 606 xo_emit("{:need-syn-or-fin/*}"); 607#endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 608 } 609 } 610 if (Rflag) { 611 /* XXX: is this right Alfred */ 612 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 613 inp->inp_flowid, 614 inp->inp_flowtype); 615 } 616 xo_emit("\n"); 617 xo_close_instance("socket"); 618 } 619 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 620 if (oxig->xig_count > xig->xig_count) { 621 xo_emit("Some {d:lost/%s} sockets may have been " 622 "deleted.\n", name); 623 } else if (oxig->xig_count < xig->xig_count) { 624 xo_emit("Some {d:created/%s} sockets may have been " 625 "created.\n", name); 626 } else { 627 xo_emit("Some {d:changed/%s} sockets may have been " 628 "created or deleted.\n", name); 629 } 630 } 631 free(buf); 632} 633 634/* 635 * Dump TCP statistics structure. 636 */ 637void 638tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 639{ 640 struct tcpstat tcpstat; 641 uint64_t tcps_states[TCP_NSTATES]; 642 643#ifdef INET6 644 if (tcp_done != 0) 645 return; 646 else 647 tcp_done = 1; 648#endif 649 650 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 651 sizeof(tcpstat), kread_counters) != 0) 652 return; 653 654 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 655 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 656 return; 657 658 xo_open_container("tcp"); 659 xo_emit("{T:/%s}:\n", name); 660 661#define p(f, m) if (tcpstat.f || sflag <= 1) \ 662 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 663#define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 664 xo_emit(m, (uintmax_t )tcpstat.f) 665#define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 666 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 667 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 668#define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 669 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 670 (uintmax_t )tcpstat.f2) 671#define p3(f, m) if (tcpstat.f || sflag <= 1) \ 672 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 673 674 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 675 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 676 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 677 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 678 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 679 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 680 "{N:retransmitted}\n"); 681 p(tcps_sndrexmitbad, "\t\t" 682 "{:sent-unnecessary-retransmitted-packets/%ju} " 683 "{N:/data packet%s unnecessarily retransmitted}\n"); 684 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 685 "{N:/resend%s initiated by MTU discovery}\n"); 686 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 687 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 688 "{N:delayed})\n"); 689 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 690 "{N:/URG only packet%s}\n"); 691 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 692 "{N:/window probe packet%s}\n"); 693 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 694 "{N:/window update packet%s}\n"); 695 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 696 "{N:/control packet%s}\n"); 697 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 698 "{N:/packet%s received}\n"); 699 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 700 "{:received-ack-packets/%ju} {N:/ack%s} " 701 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 702 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 703 "{N:/duplicate ack%s}\n"); 704 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 705 "{N:/ack%s for unsent data}\n"); 706 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 707 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 708 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 709 "{N:received in-sequence}\n"); 710 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 711 "{:received-completely-duplicate-packets/%ju} " 712 "{N:/completely duplicate packet%s} " 713 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 714 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 715 "{N:/old duplicate packet%s}\n"); 716 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 717 "{:received-some-duplicate-packets/%ju} " 718 "{N:/packet%s with some dup. data} " 719 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 720 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 721 "{N:/out-of-order packet%s} " 722 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 723 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 724 "{:received-after-window-packets/%ju} {N:/packet%s} " 725 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 726 "{N:of data after window}\n"); 727 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 728 "{N:/window probe%s}\n"); 729 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 730 "{N:/window update packet%s}\n"); 731 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 732 "{N:/packet%s received after close}\n"); 733 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 734 "{N:/discarded for bad checksum%s}\n"); 735 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 736 "{N:/discarded for bad header offset field%s}\n"); 737 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 738 "{N:discarded because packet too short}\n"); 739 p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} " 740 "{N:discarded due to memory problems}\n"); 741 p(tcps_connattempt, "\t{:connection-requests/%ju} " 742 "{N:/connection request%s}\n"); 743 p(tcps_accepts, "\t{:connections-accepts/%ju} " 744 "{N:/connection accept%s}\n"); 745 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 746 "{N:/bad connection attempt%s}\n"); 747 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 748 "{N:/listen queue overflow%s}\n"); 749 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 750 "{N:/ignored RSTs in the window%s}\n"); 751 p(tcps_connects, "\t{:connections-established/%ju} " 752 "{N:/connection%s established (including accepts)}\n"); 753 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 754 "{N:/connection%s closed (including} " 755 "{:connection-drops/%ju} {N:/drop%s})\n"); 756 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 757 "{N:/connection%s updated cached RTT on close}\n"); 758 p(tcps_cachedrttvar, "\t\t" 759 "{:connections-updated-variance-on-close/%ju} " 760 "{N:/connection%s updated cached RTT variance on close}\n"); 761 p(tcps_cachedssthresh, "\t\t" 762 "{:connections-updated-ssthresh-on-close/%ju} " 763 "{N:/connection%s updated cached ssthresh on close}\n"); 764 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 765 "{N:/embryonic connection%s dropped}\n"); 766 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 767 "{N:/segment%s updated rtt (of} " 768 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 769 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 770 "{N:/retransmit timeout%s}\n"); 771 p(tcps_timeoutdrop, "\t\t" 772 "{:connections-dropped-by-retransmit-timeout/%ju} " 773 "{N:/connection%s dropped by rexmit timeout}\n"); 774 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 775 "{N:/persist timeout%s}\n"); 776 p(tcps_persistdrop, "\t\t" 777 "{:connections-dropped-by-persist-timeout/%ju} " 778 "{N:/connection%s dropped by persist timeout}\n"); 779 p(tcps_finwait2_drops, "\t" 780 "{:connections-dropped-by-finwait2-timeout/%ju} " 781 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 782 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 783 "{N:/keepalive timeout%s}\n"); 784 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 785 "{N:/keepalive probe%s sent}\n"); 786 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 787 "{N:/connection%s dropped by keepalive}\n"); 788 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 789 "{N:/correct ACK header prediction%s}\n"); 790 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 791 "{N:/correct data packet header prediction%s}\n"); 792 793 xo_open_container("syncache"); 794 795 p3(tcps_sc_added, "\t{:entries-added/%ju} " 796 "{N:/syncache entr%s added}\n"); 797 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 798 "{N:/retransmitted}\n"); 799 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 800 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 801 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 802 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 803 "{N:/bucket overflow}\n"); 804 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 805 "{N:/cache overflow}\n"); 806 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 807 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 808 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 809 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 810 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 811 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 812 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 813 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 814 "{N:/cookie%s received}\n"); 815 816 xo_close_container("syncache"); 817 818 xo_open_container("hostcache"); 819 820 p3(tcps_hc_added, "\t{:entries-added/%ju} " 821 "{N:/hostcache entr%s added}\n"); 822 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 823 "{N:/bucket overflow}\n"); 824 825 xo_close_container("hostcache"); 826 827 xo_open_container("sack"); 828 829 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 830 "{N:/SACK recovery episode%s}\n"); 831 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 832 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 833 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 834 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 835 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 836 "{N:/SACK option%s (SACK blocks) received}\n"); 837 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 838 "{N:/SACK option%s (SACK blocks) sent}\n"); 839 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 840 "{N:/SACK scoreboard overflow}\n"); 841 842 xo_close_container("sack"); 843 xo_open_container("ecn"); 844 845 p(tcps_ecn_ce, "\t{:ce-packets/%ju} " 846 "{N:/packet%s with ECN CE bit set}\n"); 847 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " 848 "{N:/packet%s with ECN ECT(0) bit set}\n"); 849 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " 850 "{N:/packet%s with ECN ECT(1) bit set}\n"); 851 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 852 "{N:/successful ECN handshake%s}\n"); 853 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 854 "{N:/time%s ECN reduced the congestion window}\n"); 855 #undef p 856 #undef p1a 857 #undef p2 858 #undef p2a 859 #undef p3 860 xo_close_container("ecn"); 861 862 xo_open_container("TCP connection count by state"); 863 xo_emit("{T:/TCP connection count by state}:\n"); 864 for (int i = 0; i < TCP_NSTATES; i++) { 865 /* 866 * XXXGL: is there a way in libxo to use %s 867 * in the "content string" of a format 868 * string? I failed to do that, that's why 869 * a temporary buffer is used to construct 870 * format string for xo_emit(). 871 */ 872 char fmtbuf[80]; 873 874 if (sflag > 1 && tcps_states[i] == 0) 875 continue; 876 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 877 "{Np:/connection ,connections} in %s state\n", 878 tcpstates[i], tcpstates[i]); 879 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 880 } 881 xo_close_container("TCP connection count by state"); 882 883 xo_close_container("tcp"); 884} 885 886/* 887 * Dump UDP statistics structure. 888 */ 889void 890udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 891{ 892 struct udpstat udpstat; 893 uint64_t delivered; 894 895#ifdef INET6 896 if (udp_done != 0) 897 return; 898 else 899 udp_done = 1; 900#endif 901 902 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 903 sizeof(udpstat), kread_counters) != 0) 904 return; 905 906 xo_open_container("udp"); 907 xo_emit("{T:/%s}:\n", name); 908 909#define p(f, m) if (udpstat.f || sflag <= 1) \ 910 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 911#define p1a(f, m) if (udpstat.f || sflag <= 1) \ 912 xo_emit("\t" m, (uintmax_t)udpstat.f) 913 914 p(udps_ipackets, "{:received-datagrams/%ju} " 915 "{N:/datagram%s received}\n"); 916 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 917 "{N:/with incomplete header}\n"); 918 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 919 "{N:/with bad data length field}\n"); 920 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 921 "{N:/with bad checksum}\n"); 922 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 923 "{N:/with no checksum}\n"); 924 p1a(udps_noport, "{:dropped-no-socket/%ju} " 925 "{N:/dropped due to no socket}\n"); 926 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 927 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 928 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 929 "{N:/dropped due to full socket buffers}\n"); 930 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 931 "{N:/not for hashed pcb}\n"); 932 delivered = udpstat.udps_ipackets - 933 udpstat.udps_hdrops - 934 udpstat.udps_badlen - 935 udpstat.udps_badsum - 936 udpstat.udps_noport - 937 udpstat.udps_noportbcast - 938 udpstat.udps_fullsock; 939 if (delivered || sflag <= 1) 940 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 941 (uint64_t)delivered); 942 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 943 /* the next statistic is cumulative in udps_noportbcast */ 944 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 945 "{N:/time%s multicast source filter matched}\n"); 946#undef p 947#undef p1a 948 xo_close_container("udp"); 949} 950 951/* 952 * Dump CARP statistics structure. 953 */ 954void 955carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 956{ 957 struct carpstats carpstat; 958 959 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 960 sizeof(carpstat), kread_counters) != 0) 961 return; 962 963 xo_open_container(name); 964 xo_emit("{T:/%s}:\n", name); 965 966#define p(f, m) if (carpstat.f || sflag <= 1) \ 967 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 968#define p2(f, m) if (carpstat.f || sflag <= 1) \ 969 xo_emit(m, (uintmax_t)carpstat.f) 970 971 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 972 "{N:/packet%s received (IPv4)}\n"); 973 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 974 "{N:/packet%s received (IPv6)}\n"); 975 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 976 "{N:/packet%s discarded for wrong TTL}\n"); 977 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 978 "{N:/packet%s shorter than header}\n"); 979 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 980 "{N:/discarded for bad checksum%s}\n"); 981 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 982 "{N:/discarded packet%s with a bad version}\n"); 983 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 984 "{N:/discarded because packet too short}\n"); 985 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 986 "{N:/discarded for bad authentication}\n"); 987 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 988 "{N:/discarded for bad vhid}\n"); 989 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 990 "{N:/discarded because of a bad address list}\n"); 991 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 992 "{N:/packet%s sent (IPv4)}\n"); 993 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 994 "{N:/packet%s sent (IPv6)}\n"); 995 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 996 "{N:/send failed due to mbuf memory error}\n"); 997#if notyet 998 p(carps_ostates, "\t\t{:send-state-updates/%s} " 999 "{N:/state update%s sent}\n"); 1000#endif 1001#undef p 1002#undef p2 1003 xo_close_container(name); 1004} 1005 1006/* 1007 * Dump IP statistics structure. 1008 */ 1009void 1010ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1011{ 1012 struct ipstat ipstat; 1013 1014 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1015 sizeof(ipstat), kread_counters) != 0) 1016 return; 1017 1018 xo_open_container(name); 1019 xo_emit("{T:/%s}:\n", name); 1020 1021#define p(f, m) if (ipstat.f || sflag <= 1) \ 1022 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1023#define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1024 xo_emit(m, (uintmax_t )ipstat.f) 1025 1026 p(ips_total, "\t{:received-packets/%ju} " 1027 "{N:/total packet%s received}\n"); 1028 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1029 "{N:/bad header checksum%s}\n"); 1030 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1031 "{N:/with size smaller than minimum}\n"); 1032 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1033 "{N:/with data size < data length}\n"); 1034 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1035 "{N:/with ip length > max ip packet size}\n"); 1036 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1037 "{N:/with header length < data size}\n"); 1038 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1039 "{N:/with data length < header length}\n"); 1040 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1041 "{N:/with bad options}\n"); 1042 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1043 "{N:/with incorrect version number}\n"); 1044 p(ips_fragments, "\t{:received-fragments/%ju} " 1045 "{N:/fragment%s received}\n"); 1046 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1047 "{N:/fragment%s dropped (dup or out of space)}\n"); 1048 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1049 "{N:/fragment%s dropped after timeout}\n"); 1050 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1051 "{N:/packet%s reassembled ok}\n"); 1052 p(ips_delivered, "\t{:received-local-packets/%ju} " 1053 "{N:/packet%s for this host}\n"); 1054 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1055 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1056 p(ips_forward, "\t{:forwarded-packets/%ju} " 1057 "{N:/packet%s forwarded}"); 1058 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1059 "{N:/packet%s fast forwarded})"); 1060 if (ipstat.ips_forward || sflag <= 1) 1061 xo_emit("\n"); 1062 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1063 "{N:/packet%s not forwardable}\n"); 1064 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1065 "{N:/packet%s received for unknown multicast group}\n"); 1066 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1067 "{N:/redirect%s sent}\n"); 1068 p(ips_localout, "\t{:sent-packets/%ju} " 1069 "{N:/packet%s sent from this host}\n"); 1070 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1071 "{N:/packet%s sent with fabricated ip header}\n"); 1072 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1073 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1074 p(ips_noroute, "\t{:discard-no-route/%ju} " 1075 "{N:/output packet%s discarded due to no route}\n"); 1076 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1077 "{N:/output datagram%s fragmented}\n"); 1078 p(ips_ofragments, "\t{:fragments-created/%ju} " 1079 "{N:/fragment%s created}\n"); 1080 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1081 "{N:/datagram%s that can't be fragmented}\n"); 1082 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1083 "{N:/tunneling packet%s that can't find gif}\n"); 1084 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1085 "{N:/datagram%s with bad address in header}\n"); 1086#undef p 1087#undef p1a 1088 xo_close_container(name); 1089} 1090 1091/* 1092 * Dump ARP statistics structure. 1093 */ 1094void 1095arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1096{ 1097 struct arpstat arpstat; 1098 1099 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1100 sizeof(arpstat), kread_counters) != 0) 1101 return; 1102 1103 xo_open_container(name); 1104 xo_emit("{T:/%s}:\n", name); 1105 1106#define p(f, m) if (arpstat.f || sflag <= 1) \ 1107 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1108#define p2(f, m) if (arpstat.f || sflag <= 1) \ 1109 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1110 1111 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1112 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1113 p(rxrequests, "{:received-requests/%ju} " 1114 "{N:/ARP request%s received}\n"); 1115 p2(rxreplies, "{:received-replies/%ju} " 1116 "{N:/ARP repl%s received}\n"); 1117 p(received, "{:received-packers/%ju} " 1118 "{N:/ARP packet%s received}\n"); 1119 p(dropped, "{:dropped-no-entry/%ju} " 1120 "{N:/total packet%s dropped due to no ARP entry}\n"); 1121 p(timeouts, "{:entries-timeout/%ju} " 1122 "{N:/ARP entry%s timed out}\n"); 1123 p(dupips, "{:dropped-duplicate-address/%ju} " 1124 "{N:/Duplicate IP%s seen}\n"); 1125#undef p 1126#undef p2 1127 xo_close_container(name); 1128} 1129 1130 1131 1132static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1133 "echo reply", /* RFC 792 */ 1134 "#1", 1135 "#2", 1136 "destination unreachable", /* RFC 792 */ 1137 "source quench", /* RFC 792 */ 1138 "routing redirect", /* RFC 792 */ 1139 "#6", 1140 "#7", 1141 "echo", /* RFC 792 */ 1142 "router advertisement", /* RFC 1256 */ 1143 "router solicitation", /* RFC 1256 */ 1144 "time exceeded", /* RFC 792 */ 1145 "parameter problem", /* RFC 792 */ 1146 "time stamp", /* RFC 792 */ 1147 "time stamp reply", /* RFC 792 */ 1148 "information request", /* RFC 792 */ 1149 "information request reply", /* RFC 792 */ 1150 "address mask request", /* RFC 950 */ 1151 "address mask reply", /* RFC 950 */ 1152 "#19", 1153 "#20", 1154 "#21", 1155 "#22", 1156 "#23", 1157 "#24", 1158 "#25", 1159 "#26", 1160 "#27", 1161 "#28", 1162 "#29", 1163 "icmp traceroute", /* RFC 1393 */ 1164 "datagram conversion error", /* RFC 1475 */ 1165 "mobile host redirect", 1166 "IPv6 where-are-you", 1167 "IPv6 i-am-here", 1168 "mobile registration req", 1169 "mobile registration reply", 1170 "domain name request", /* RFC 1788 */ 1171 "domain name reply", /* RFC 1788 */ 1172 "icmp SKIP", 1173 "icmp photuris", /* RFC 2521 */ 1174}; 1175 1176/* 1177 * Dump ICMP statistics. 1178 */ 1179void 1180icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1181{ 1182 struct icmpstat icmpstat; 1183 size_t len; 1184 int i, first; 1185 1186 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1187 sizeof(icmpstat), kread_counters) != 0) 1188 return; 1189 1190 xo_open_container(name); 1191 xo_emit("{T:/%s}:\n", name); 1192 1193#define p(f, m) if (icmpstat.f || sflag <= 1) \ 1194 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1195#define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1196 xo_emit(m, icmpstat.f) 1197#define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1198 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1199 1200 p(icps_error, "\t{:icmp-calls/%lu} " 1201 "{N:/call%s to icmp_error}\n"); 1202 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1203 "{N:/error%s not generated in response to an icmp message}\n"); 1204 1205 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1206 if (icmpstat.icps_outhist[i] != 0) { 1207 if (first) { 1208 xo_open_list("output-histogram"); 1209 xo_emit("\tOutput histogram:\n"); 1210 first = 0; 1211 } 1212 xo_open_instance("output-histogram"); 1213 if (icmpnames[i] != NULL) 1214 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1215 icmpnames[i], icmpstat.icps_outhist[i]); 1216 else 1217 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1218 "{:count/%lu}\n", 1219 i, icmpstat.icps_outhist[i]); 1220 xo_close_instance("output-histogram"); 1221 } 1222 } 1223 if (!first) 1224 xo_close_list("output-histogram"); 1225 1226 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1227 "{N:/message%s with bad code fields}\n"); 1228 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1229 "{N:/message%s less than the minimum length}\n"); 1230 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1231 "{N:/message%s with bad checksum}\n"); 1232 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1233 "{N:/message%s with bad length}\n"); 1234 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1235 "{N:/multicast echo requests ignored}\n"); 1236 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1237 "{N:/multicast timestamp requests ignored}\n"); 1238 1239 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1240 if (icmpstat.icps_inhist[i] != 0) { 1241 if (first) { 1242 xo_open_list("input-histogram"); 1243 xo_emit("\tInput histogram:\n"); 1244 first = 0; 1245 } 1246 xo_open_instance("input-histogram"); 1247 if (icmpnames[i] != NULL) 1248 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1249 icmpnames[i], 1250 icmpstat.icps_inhist[i]); 1251 else 1252 xo_emit( 1253 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1254 i, icmpstat.icps_inhist[i]); 1255 xo_close_instance("input-histogram"); 1256 } 1257 } 1258 if (!first) 1259 xo_close_list("input-histogram"); 1260 1261 p(icps_reflect, "\t{:sent-packets/%lu} " 1262 "{N:/message response%s generated}\n"); 1263 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1264 "{N:/invalid return address%s}\n"); 1265 p(icps_noroute, "\t{:discard-no-route/%lu} " 1266 "{N:/no return route%s}\n"); 1267#undef p 1268#undef p1a 1269#undef p2 1270 if (live) { 1271 len = sizeof i; 1272 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1273 0) 1274 return; 1275 xo_emit("\tICMP address mask responses are " 1276 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1277 } 1278 1279 xo_close_container(name); 1280} 1281 1282/* 1283 * Dump IGMP statistics structure. 1284 */ 1285void 1286igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1287{ 1288 struct igmpstat igmpstat; 1289 1290 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1291 sizeof(igmpstat), kread) != 0) 1292 return; 1293 1294 if (igmpstat.igps_version != IGPS_VERSION_3) { 1295 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1296 igmpstat.igps_version, IGPS_VERSION_3); 1297 } 1298 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1299 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1300 igmpstat.igps_len, IGPS_VERSION3_LEN); 1301 } 1302 1303 xo_open_container(name); 1304 xo_emit("{T:/%s}:\n", name); 1305 1306#define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1307 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1308#define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1309 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1310 1311 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1312 "{N:/message%s received}\n"); 1313 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1314 "{N:/message%s received with too few bytes}\n"); 1315 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1316 "{N:/message%s received with wrong TTL}\n"); 1317 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1318 "{N:/message%s received with bad checksum}\n"); 1319 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1320 "{N:/V1\\/V2 membership quer%s received}\n"); 1321 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1322 "{N:/V3 membership quer%s received}\n"); 1323 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1324 "{N:/membership quer%s received with invalid field(s)}\n"); 1325 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1326 "{N:/general quer%s received}\n"); 1327 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1328 "{N:/group quer%s received}\n"); 1329 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1330 "{N:/group-source quer%s received}\n"); 1331 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1332 "{N:/group-source quer%s dropped}\n"); 1333 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1334 "{N:/membership report%s received}\n"); 1335 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1336 "{N:/membership report%s received with invalid field(s)}\n"); 1337 p64(igps_rcv_ourreports, "\t" 1338 "{:received-membership-reports-matching/%ju} " 1339 "{N:/membership report%s received for groups to which we belong}" 1340 "\n"); 1341 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1342 "{N:/V3 report%s received without Router Alert}\n"); 1343 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1344 "{N:/membership report%s sent}\n"); 1345#undef p64 1346#undef py64 1347 xo_close_container(name); 1348} 1349 1350/* 1351 * Dump PIM statistics structure. 1352 */ 1353void 1354pim_stats(u_long off __unused, const char *name, int af1 __unused, 1355 int proto __unused) 1356{ 1357 struct pimstat pimstat; 1358 1359 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1360 sizeof(pimstat), kread_counters) != 0) 1361 return; 1362 1363 xo_open_container(name); 1364 xo_emit("{T:/%s}:\n", name); 1365 1366#define p(f, m) if (pimstat.f || sflag <= 1) \ 1367 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1368#define py(f, m) if (pimstat.f || sflag <= 1) \ 1369 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1370 1371 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1372 "{N:/message%s received}\n"); 1373 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1374 "{N:/byte%s received}\n"); 1375 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1376 "{N:/message%s received with too few bytes}\n"); 1377 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1378 "{N:/message%s received with bad checksum}\n"); 1379 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1380 "{N:/message%s received with bad version}\n"); 1381 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1382 "{N:/data register message%s received}\n"); 1383 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1384 "{N:/data register byte%s received}\n"); 1385 p(pims_rcv_registers_wrongiif, "\t" 1386 "{:received-data-register-wrong-interface/%ju} " 1387 "{N:/data register message%s received on wrong iif}\n"); 1388 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1389 "{N:/bad register%s received}\n"); 1390 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1391 "{N:/data register message%s sent}\n"); 1392 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1393 "{N:/data register byte%s sent}\n"); 1394#undef p 1395#undef py 1396 xo_close_container(name); 1397} 1398 1399/* 1400 * Pretty print an Internet address (net address + port). 1401 */ 1402void 1403inetprint(const char *container, struct in_addr *in, int port, 1404 const char *proto, int num_port, const int af1) 1405{ 1406 struct servent *sp = 0; 1407 char line[80], *cp; 1408 int width; 1409 size_t alen, plen; 1410 1411 if (container) 1412 xo_open_container(container); 1413 1414 if (Wflag) 1415 snprintf(line, sizeof(line), "%s.", inetname(in)); 1416 else 1417 snprintf(line, sizeof(line), "%.*s.", 1418 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1419 alen = strlen(line); 1420 cp = line + alen; 1421 if (!num_port && port) 1422 sp = getservbyport((int)port, proto); 1423 if (sp || port == 0) 1424 snprintf(cp, sizeof(line) - alen, 1425 "%.15s ", sp ? sp->s_name : "*"); 1426 else 1427 snprintf(cp, sizeof(line) - alen, 1428 "%d ", ntohs((u_short)port)); 1429 width = (Aflag && !Wflag) ? 18 : 1430 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1431 if (Wflag) 1432 xo_emit("{d:target/%-*s} ", width, line); 1433 else 1434 xo_emit("{d:target/%-*.*s} ", width, width, line); 1435 1436 plen = strlen(cp) - 1; 1437 alen--; 1438 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1439 plen, cp); 1440 1441 if (container) 1442 xo_close_container(container); 1443} 1444 1445/* 1446 * Construct an Internet address representation. 1447 * If numeric_addr has been supplied, give 1448 * numeric value, otherwise try for symbolic name. 1449 */ 1450char * 1451inetname(struct in_addr *inp) 1452{ 1453 char *cp; 1454 static char line[MAXHOSTNAMELEN]; 1455 struct hostent *hp; 1456 struct netent *np; 1457 1458 cp = 0; 1459 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1460 int net = inet_netof(*inp); 1461 int lna = inet_lnaof(*inp); 1462 1463 if (lna == INADDR_ANY) { 1464 np = getnetbyaddr(net, AF_INET); 1465 if (np) 1466 cp = np->n_name; 1467 } 1468 if (cp == NULL) { 1469 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1470 if (hp) { 1471 cp = hp->h_name; 1472 trimdomain(cp, strlen(cp)); 1473 } 1474 } 1475 } 1476 if (inp->s_addr == INADDR_ANY) 1477 strcpy(line, "*"); 1478 else if (cp) { 1479 strlcpy(line, cp, sizeof(line)); 1480 } else { 1481 inp->s_addr = ntohl(inp->s_addr); 1482#define C(x) ((u_int)((x) & 0xff)) 1483 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1484 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1485 C(inp->s_addr >> 8), C(inp->s_addr)); 1486 } 1487 return (line); 1488} 1489