inet.c revision 346404
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 346404 2019-04-19 17:29:20Z bz $"); 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#ifdef INET 88static void inetprint(const char *, struct in_addr *, int, const char *, int, 89 const int); 90#endif 91#ifdef INET6 92static int udp_done, tcp_done, sdp_done; 93#endif /* INET6 */ 94 95static int 96pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused) 97{ 98 const char *mibvar; 99 char *buf; 100 size_t len; 101 102 switch (proto) { 103 case IPPROTO_TCP: 104 mibvar = "net.inet.tcp.pcblist"; 105 break; 106 case IPPROTO_UDP: 107 mibvar = "net.inet.udp.pcblist"; 108 break; 109 case IPPROTO_DIVERT: 110 mibvar = "net.inet.divert.pcblist"; 111 break; 112 default: 113 mibvar = "net.inet.raw.pcblist"; 114 break; 115 } 116 if (strncmp(name, "sdp", 3) == 0) 117 mibvar = "net.inet.sdp.pcblist"; 118 len = 0; 119 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 120 if (errno != ENOENT) 121 xo_warn("sysctl: %s", mibvar); 122 return (0); 123 } 124 if ((buf = malloc(len)) == NULL) { 125 xo_warnx("malloc %lu bytes", (u_long)len); 126 return (0); 127 } 128 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 129 xo_warn("sysctl: %s", mibvar); 130 free(buf); 131 return (0); 132 } 133 *bufp = buf; 134 return (1); 135} 136 137/* 138 * Copied directly from uipc_socket2.c. We leave out some fields that are in 139 * nested structures that aren't used to avoid extra work. 140 */ 141static void 142sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 143{ 144 xsb->sb_cc = sb->sb_ccc; 145 xsb->sb_hiwat = sb->sb_hiwat; 146 xsb->sb_mbcnt = sb->sb_mbcnt; 147 xsb->sb_mcnt = sb->sb_mcnt; 148 xsb->sb_ccnt = sb->sb_ccnt; 149 xsb->sb_mbmax = sb->sb_mbmax; 150 xsb->sb_lowat = sb->sb_lowat; 151 xsb->sb_flags = sb->sb_flags; 152 xsb->sb_timeo = sb->sb_timeo; 153} 154 155int 156sotoxsocket(struct socket *so, struct xsocket *xso) 157{ 158 struct protosw proto; 159 struct domain domain; 160 161 bzero(xso, sizeof *xso); 162 xso->xso_len = sizeof *xso; 163 xso->xso_so = so; 164 xso->so_type = so->so_type; 165 xso->so_options = so->so_options; 166 xso->so_linger = so->so_linger; 167 xso->so_state = so->so_state; 168 xso->so_pcb = so->so_pcb; 169 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 170 return (-1); 171 xso->xso_protocol = proto.pr_protocol; 172 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 173 return (-1); 174 xso->xso_family = domain.dom_family; 175 xso->so_qlen = so->so_qlen; 176 xso->so_incqlen = so->so_incqlen; 177 xso->so_qlimit = so->so_qlimit; 178 xso->so_timeo = so->so_timeo; 179 xso->so_error = so->so_error; 180 xso->so_oobmark = so->so_oobmark; 181 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 182 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 183 return (0); 184} 185 186static int 187pcblist_kvm(u_long off, char **bufp, int istcp) 188{ 189 struct inpcbinfo pcbinfo; 190 struct inpcbhead listhead; 191 struct inpcb *inp; 192 struct xinpcb xi; 193 struct xinpgen xig; 194 struct xtcpcb xt; 195 struct socket so; 196 struct xsocket *xso; 197 char *buf, *p; 198 size_t len; 199 200 if (off == 0) 201 return (0); 202 kread(off, &pcbinfo, sizeof(pcbinfo)); 203 if (istcp) 204 len = 2 * sizeof(xig) + 205 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 206 sizeof(struct xtcpcb); 207 else 208 len = 2 * sizeof(xig) + 209 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 210 sizeof(struct xinpcb); 211 if ((buf = malloc(len)) == NULL) { 212 xo_warnx("malloc %lu bytes", (u_long)len); 213 return (0); 214 } 215 p = buf; 216 217#define COPYOUT(obj, size) do { \ 218 if (len < (size)) { \ 219 xo_warnx("buffer size exceeded"); \ 220 goto fail; \ 221 } \ 222 bcopy((obj), p, (size)); \ 223 len -= (size); \ 224 p += (size); \ 225} while (0) 226 227#define KREAD(off, buf, len) do { \ 228 if (kread((uintptr_t)(off), (buf), (len)) != 0) \ 229 goto fail; \ 230} while (0) 231 232 /* Write out header. */ 233 xig.xig_len = sizeof xig; 234 xig.xig_count = pcbinfo.ipi_count; 235 xig.xig_gen = pcbinfo.ipi_gencnt; 236 xig.xig_sogen = 0; 237 COPYOUT(&xig, sizeof xig); 238 239 /* Walk the PCB list. */ 240 xt.xt_len = sizeof xt; 241 xi.xi_len = sizeof xi; 242 if (istcp) 243 xso = &xt.xt_socket; 244 else 245 xso = &xi.xi_socket; 246 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead)); 247 LIST_FOREACH(inp, &listhead, inp_list) { 248 if (istcp) { 249 KREAD(inp, &xt.xt_inp, sizeof(*inp)); 250 inp = &xt.xt_inp; 251 } else { 252 KREAD(inp, &xi.xi_inp, sizeof(*inp)); 253 inp = &xi.xi_inp; 254 } 255 256 if (inp->inp_gencnt > pcbinfo.ipi_gencnt) 257 continue; 258 259 if (istcp) { 260 if (inp->inp_ppcb == NULL) 261 bzero(&xt.xt_tp, sizeof xt.xt_tp); 262 else if (inp->inp_flags & INP_TIMEWAIT) { 263 bzero(&xt.xt_tp, sizeof xt.xt_tp); 264 xt.xt_tp.t_state = TCPS_TIME_WAIT; 265 } else 266 KREAD(inp->inp_ppcb, &xt.xt_tp, 267 sizeof xt.xt_tp); 268 } 269 if (inp->inp_socket) { 270 KREAD(inp->inp_socket, &so, sizeof(so)); 271 if (sotoxsocket(&so, xso) != 0) 272 goto fail; 273 } else { 274 bzero(xso, sizeof(*xso)); 275 if (istcp) 276 xso->xso_protocol = IPPROTO_TCP; 277 } 278 if (istcp) 279 COPYOUT(&xt, sizeof xt); 280 else 281 COPYOUT(&xi, sizeof xi); 282 } 283 284 /* Reread the pcbinfo and write out the footer. */ 285 kread(off, &pcbinfo, sizeof(pcbinfo)); 286 xig.xig_count = pcbinfo.ipi_count; 287 xig.xig_gen = pcbinfo.ipi_gencnt; 288 COPYOUT(&xig, sizeof xig); 289 290 *bufp = buf; 291 return (1); 292 293fail: 294 free(buf); 295 return (0); 296#undef COPYOUT 297#undef KREAD 298} 299 300/* 301 * Print a summary of connections related to an Internet 302 * protocol. For TCP, also give state of connection. 303 * Listening processes (aflag) are suppressed unless the 304 * -a (all) flag is specified. 305 */ 306void 307protopr(u_long off, const char *name, int af1, int proto) 308{ 309 int istcp; 310 static int first = 1; 311 char *buf; 312 const char *vchar; 313 struct tcpcb *tp = NULL; 314 struct inpcb *inp; 315 struct xinpgen *xig, *oxig; 316 struct xsocket *so; 317 struct xtcp_timer *timer; 318 319 istcp = 0; 320 switch (proto) { 321 case IPPROTO_TCP: 322#ifdef INET6 323 if (strncmp(name, "sdp", 3) != 0) { 324 if (tcp_done != 0) 325 return; 326 else 327 tcp_done = 1; 328 } else { 329 if (sdp_done != 0) 330 return; 331 else 332 sdp_done = 1; 333 } 334#endif 335 istcp = 1; 336 break; 337 case IPPROTO_UDP: 338#ifdef INET6 339 if (udp_done != 0) 340 return; 341 else 342 udp_done = 1; 343#endif 344 break; 345 } 346 if (live) { 347 if (!pcblist_sysctl(proto, name, &buf, istcp)) 348 return; 349 } else { 350 if (!pcblist_kvm(off, &buf, istcp)) 351 return; 352 } 353 354 oxig = xig = (struct xinpgen *)buf; 355 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 356 xig->xig_len > sizeof(struct xinpgen); 357 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 358 if (istcp) { 359 timer = &((struct xtcpcb *)xig)->xt_timer; 360 tp = &((struct xtcpcb *)xig)->xt_tp; 361 inp = &((struct xtcpcb *)xig)->xt_inp; 362 so = &((struct xtcpcb *)xig)->xt_socket; 363 } else { 364 inp = &((struct xinpcb *)xig)->xi_inp; 365 so = &((struct xinpcb *)xig)->xi_socket; 366 timer = NULL; 367 } 368 369 /* Ignore sockets for protocols other than the desired one. */ 370 if (so->xso_protocol != proto) 371 continue; 372 373 /* Ignore PCBs which were freed during copyout. */ 374 if (inp->inp_gencnt > oxig->xig_gen) 375 continue; 376 377 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 378#ifdef INET6 379 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 380#endif /* INET6 */ 381 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 382#ifdef INET6 383 && (inp->inp_vflag & INP_IPV6) == 0 384#endif /* INET6 */ 385 )) 386 ) 387 continue; 388 if (!aflag && 389 ( 390 (istcp && tp->t_state == TCPS_LISTEN) 391 || (af1 == AF_INET && 392 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 393#ifdef INET6 394 || (af1 == AF_INET6 && 395 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 396#endif /* INET6 */ 397 || (af1 == AF_UNSPEC && 398 (((inp->inp_vflag & INP_IPV4) != 0 && 399 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 400#ifdef INET6 401 || ((inp->inp_vflag & INP_IPV6) != 0 && 402 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 403#endif 404 )) 405 )) 406 continue; 407 408 if (first) { 409 if (!Lflag) { 410 xo_emit("Active Internet connections"); 411 if (aflag) 412 xo_emit(" (including servers)"); 413 } else 414 xo_emit( 415 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 416 xo_emit("\n"); 417 if (Aflag) 418 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 419 "Tcpcb"); 420 if (Lflag) 421 xo_emit((Aflag && !Wflag) ? 422 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 423 ((!Wflag || af1 == AF_INET) ? 424 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 425 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 426 "Proto", "Listen", "Local Address"); 427 else if (Tflag) 428 xo_emit((Aflag && !Wflag) ? 429 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 430 ((!Wflag || af1 == AF_INET) ? 431 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 432 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 433 "Proto", "Rexmit", "OOORcv", "0-win", 434 "Local Address", "Foreign Address"); 435 else { 436 xo_emit((Aflag && !Wflag) ? 437 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 438 ((!Wflag || af1 == AF_INET) ? 439 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 440 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 441 "Proto", "Recv-Q", "Send-Q", 442 "Local Address", "Foreign Address"); 443 if (!xflag && !Rflag) 444 xo_emit(" (state)"); 445 } 446 if (xflag) { 447 xo_emit(" {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 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 451 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS", 452 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 453 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 454 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 455 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 456 "rexmt", "persist", "keep", "2msl", 457 "delack", "rcvtime"); 458 } else if (Rflag) { 459 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 460 "flowid", "ftype"); 461 } 462 xo_emit("\n"); 463 first = 0; 464 } 465 if (Lflag && so->so_qlimit == 0) 466 continue; 467 xo_open_instance("socket"); 468 if (Aflag) { 469 if (istcp) 470 xo_emit("{q:address/%*lx} ", 471 2 * (int)sizeof(void *), 472 (u_long)inp->inp_ppcb); 473 else 474 xo_emit("{q:adddress/%*lx} ", 475 2 * (int)sizeof(void *), 476 (u_long)so->so_pcb); 477 } 478#ifdef INET6 479 if ((inp->inp_vflag & INP_IPV6) != 0) 480 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 481 "46" : "6"; 482 else 483#endif 484 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 485 "4" : ""; 486 if (istcp && (tp->t_flags & TF_TOE) != 0) 487 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 488 else 489 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 490 if (Lflag) { 491 char buf1[33]; 492 493 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 494 so->so_incqlen, so->so_qlimit); 495 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 496 } else if (Tflag) { 497 if (istcp) 498 xo_emit("{:sent-retransmit-packets/%6u} " 499 "{:received-out-of-order-packets/%6u} " 500 "{:sent-zero-window/%6u} ", 501 tp->t_sndrexmitpack, tp->t_rcvoopack, 502 tp->t_sndzerowin); 503 else 504 xo_emit("{P:/%21s}", ""); 505 } else { 506 xo_emit("{:receive-bytes-waiting/%6u} " 507 "{:send-bytes-waiting/%6u} ", 508 so->so_rcv.sb_cc, so->so_snd.sb_cc); 509 } 510 if (numeric_port) { 511#ifdef INET 512 if (inp->inp_vflag & INP_IPV4) { 513 inetprint("local", &inp->inp_laddr, 514 (int)inp->inp_lport, name, 1, af1); 515 if (!Lflag) 516 inetprint("remote", &inp->inp_faddr, 517 (int)inp->inp_fport, name, 1, af1); 518 } 519#endif 520#if defined(INET) && defined(INET6) 521 else 522#endif 523#ifdef INET6 524 if (inp->inp_vflag & INP_IPV6) { 525 inet6print("local", &inp->in6p_laddr, 526 (int)inp->inp_lport, name, 1); 527 if (!Lflag) 528 inet6print("remote", &inp->in6p_faddr, 529 (int)inp->inp_fport, name, 1); 530 } /* else nothing printed now */ 531#endif /* INET6 */ 532 } else if (inp->inp_flags & INP_ANONPORT) { 533#ifdef INET 534 if (inp->inp_vflag & INP_IPV4) { 535 inetprint("local", &inp->inp_laddr, 536 (int)inp->inp_lport, name, 1, af1); 537 if (!Lflag) 538 inetprint("remote", &inp->inp_faddr, 539 (int)inp->inp_fport, name, 0, af1); 540 } 541#endif 542#if defined(INET) && defined(INET6) 543 else 544#endif 545#ifdef INET6 546 if (inp->inp_vflag & INP_IPV6) { 547 inet6print("local", &inp->in6p_laddr, 548 (int)inp->inp_lport, name, 1); 549 if (!Lflag) 550 inet6print("remote", &inp->in6p_faddr, 551 (int)inp->inp_fport, name, 0); 552 } /* else nothing printed now */ 553#endif /* INET6 */ 554 } else { 555#ifdef INET 556 if (inp->inp_vflag & INP_IPV4) { 557 inetprint("local", &inp->inp_laddr, 558 (int)inp->inp_lport, name, 0, af1); 559 if (!Lflag) 560 inetprint("remote", &inp->inp_faddr, 561 (int)inp->inp_fport, name, 562 inp->inp_lport != inp->inp_fport, 563 af1); 564 } 565#endif 566#if defined(INET) && defined(INET6) 567 else 568#endif 569#ifdef INET6 570 if (inp->inp_vflag & INP_IPV6) { 571 inet6print("local", &inp->in6p_laddr, 572 (int)inp->inp_lport, name, 0); 573 if (!Lflag) 574 inet6print("remote", &inp->in6p_faddr, 575 (int)inp->inp_fport, name, 576 inp->inp_lport != inp->inp_fport); 577 } /* else nothing printed now */ 578#endif /* INET6 */ 579 } 580 if (xflag) { 581 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} " 582 "{:receive-clusters/%6u} {:send-clusters/%6u} " 583 "{:receive-high-water/%6u} {:send-high-water/%6u} " 584 "{:receive-low-water/%6u} {:send-low-water/%6u} " 585 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 586 "{:receive-mbuf-bytes-max/%6u} " 587 "{:send-mbuf-bytes-max/%6u}", 588 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 589 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 590 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 591 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 592 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 593 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 594 if (timer != NULL) 595 xo_emit(" {:retransmit-timer/%4d.%02d} " 596 "{:persist-timer/%4d.%02d} " 597 "{:keepalive-timer/%4d.%02d} " 598 "{:msl2-timer/%4d.%02d} " 599 "{:delay-ack-timer/%4d.%02d} " 600 "{:inactivity-timer/%4d.%02d}", 601 timer->tt_rexmt / 1000, 602 (timer->tt_rexmt % 1000) / 10, 603 timer->tt_persist / 1000, 604 (timer->tt_persist % 1000) / 10, 605 timer->tt_keep / 1000, 606 (timer->tt_keep % 1000) / 10, 607 timer->tt_2msl / 1000, 608 (timer->tt_2msl % 1000) / 10, 609 timer->tt_delack / 1000, 610 (timer->tt_delack % 1000) / 10, 611 timer->t_rcvtime / 1000, 612 (timer->t_rcvtime % 1000) / 10); 613 } 614 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 615 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 616 xo_emit("{:tcp-state/%d}", tp->t_state); 617 else { 618 xo_emit("{:tcp-state/%s}", 619 tcpstates[tp->t_state]); 620#if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 621 /* Show T/TCP `hidden state' */ 622 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 623 xo_emit("{:need-syn-or-fin/*}"); 624#endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 625 } 626 } 627 if (Rflag) { 628 /* XXX: is this right Alfred */ 629 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 630 inp->inp_flowid, 631 inp->inp_flowtype); 632 } 633 xo_emit("\n"); 634 xo_close_instance("socket"); 635 } 636 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 637 if (oxig->xig_count > xig->xig_count) { 638 xo_emit("Some {d:lost/%s} sockets may have been " 639 "deleted.\n", name); 640 } else if (oxig->xig_count < xig->xig_count) { 641 xo_emit("Some {d:created/%s} sockets may have been " 642 "created.\n", name); 643 } else { 644 xo_emit("Some {d:changed/%s} sockets may have been " 645 "created or deleted.\n", name); 646 } 647 } 648 free(buf); 649} 650 651/* 652 * Dump TCP statistics structure. 653 */ 654void 655tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 656{ 657 struct tcpstat tcpstat; 658 uint64_t tcps_states[TCP_NSTATES]; 659 660#ifdef INET6 661 if (tcp_done != 0) 662 return; 663 else 664 tcp_done = 1; 665#endif 666 667 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 668 sizeof(tcpstat), kread_counters) != 0) 669 return; 670 671 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 672 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 673 return; 674 675 xo_open_container("tcp"); 676 xo_emit("{T:/%s}:\n", name); 677 678#define p(f, m) if (tcpstat.f || sflag <= 1) \ 679 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 680#define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 681 xo_emit(m, (uintmax_t )tcpstat.f) 682#define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 683 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 684 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 685#define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 686 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 687 (uintmax_t )tcpstat.f2) 688#define p3(f, m) if (tcpstat.f || sflag <= 1) \ 689 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 690 691 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 692 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 693 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 694 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 695 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 696 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 697 "{N:retransmitted}\n"); 698 p(tcps_sndrexmitbad, "\t\t" 699 "{:sent-unnecessary-retransmitted-packets/%ju} " 700 "{N:/data packet%s unnecessarily retransmitted}\n"); 701 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 702 "{N:/resend%s initiated by MTU discovery}\n"); 703 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 704 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 705 "{N:delayed})\n"); 706 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 707 "{N:/URG only packet%s}\n"); 708 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 709 "{N:/window probe packet%s}\n"); 710 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 711 "{N:/window update packet%s}\n"); 712 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 713 "{N:/control packet%s}\n"); 714 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 715 "{N:/packet%s received}\n"); 716 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 717 "{:received-ack-packets/%ju} {N:/ack%s} " 718 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 719 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 720 "{N:/duplicate ack%s}\n"); 721 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 722 "{N:/ack%s for unsent data}\n"); 723 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 724 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 725 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 726 "{N:received in-sequence}\n"); 727 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 728 "{:received-completely-duplicate-packets/%ju} " 729 "{N:/completely duplicate packet%s} " 730 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 731 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 732 "{N:/old duplicate packet%s}\n"); 733 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 734 "{:received-some-duplicate-packets/%ju} " 735 "{N:/packet%s with some dup. data} " 736 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 737 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 738 "{N:/out-of-order packet%s} " 739 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 740 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 741 "{:received-after-window-packets/%ju} {N:/packet%s} " 742 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 743 "{N:of data after window}\n"); 744 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 745 "{N:/window probe%s}\n"); 746 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 747 "{N:/window update packet%s}\n"); 748 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 749 "{N:/packet%s received after close}\n"); 750 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 751 "{N:/discarded for bad checksum%s}\n"); 752 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 753 "{N:/discarded for bad header offset field%s}\n"); 754 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 755 "{N:discarded because packet too short}\n"); 756 p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} " 757 "{N:discarded due to memory problems}\n"); 758 p(tcps_connattempt, "\t{:connection-requests/%ju} " 759 "{N:/connection request%s}\n"); 760 p(tcps_accepts, "\t{:connections-accepts/%ju} " 761 "{N:/connection accept%s}\n"); 762 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 763 "{N:/bad connection attempt%s}\n"); 764 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 765 "{N:/listen queue overflow%s}\n"); 766 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 767 "{N:/ignored RSTs in the window%s}\n"); 768 p(tcps_connects, "\t{:connections-established/%ju} " 769 "{N:/connection%s established (including accepts)}\n"); 770 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 771 "{N:/time%s used RTT from hostcache}\n"); 772 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 773 "{N:/time%s used RTT variance from hostcache}\n"); 774 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 775 "{N:/time%s used slow-start threshold from hostcache}\n"); 776 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 777 "{N:/connection%s closed (including} " 778 "{:connection-drops/%ju} {N:/drop%s})\n"); 779 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 780 "{N:/connection%s updated cached RTT on close}\n"); 781 p(tcps_cachedrttvar, "\t\t" 782 "{:connections-updated-variance-on-close/%ju} " 783 "{N:/connection%s updated cached RTT variance on close}\n"); 784 p(tcps_cachedssthresh, "\t\t" 785 "{:connections-updated-ssthresh-on-close/%ju} " 786 "{N:/connection%s updated cached ssthresh on close}\n"); 787 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 788 "{N:/embryonic connection%s dropped}\n"); 789 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 790 "{N:/segment%s updated rtt (of} " 791 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 792 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 793 "{N:/retransmit timeout%s}\n"); 794 p(tcps_timeoutdrop, "\t\t" 795 "{:connections-dropped-by-retransmit-timeout/%ju} " 796 "{N:/connection%s dropped by rexmit timeout}\n"); 797 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 798 "{N:/persist timeout%s}\n"); 799 p(tcps_persistdrop, "\t\t" 800 "{:connections-dropped-by-persist-timeout/%ju} " 801 "{N:/connection%s dropped by persist timeout}\n"); 802 p(tcps_finwait2_drops, "\t" 803 "{:connections-dropped-by-finwait2-timeout/%ju} " 804 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 805 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 806 "{N:/keepalive timeout%s}\n"); 807 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 808 "{N:/keepalive probe%s sent}\n"); 809 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 810 "{N:/connection%s dropped by keepalive}\n"); 811 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 812 "{N:/correct ACK header prediction%s}\n"); 813 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 814 "{N:/correct data packet header prediction%s}\n"); 815 816 xo_open_container("syncache"); 817 818 p3(tcps_sc_added, "\t{:entries-added/%ju} " 819 "{N:/syncache entr%s added}\n"); 820 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 821 "{N:/retransmitted}\n"); 822 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 823 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 824 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 825 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 826 "{N:/bucket overflow}\n"); 827 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 828 "{N:/cache overflow}\n"); 829 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 830 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 831 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 832 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 833 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 834 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 835 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 836 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 837 "{N:/cookie%s received}\n"); 838 839 xo_close_container("syncache"); 840 841 xo_open_container("hostcache"); 842 843 p3(tcps_hc_added, "\t{:entries-added/%ju} " 844 "{N:/hostcache entr%s added}\n"); 845 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 846 "{N:/bucket overflow}\n"); 847 848 xo_close_container("hostcache"); 849 850 xo_open_container("sack"); 851 852 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 853 "{N:/SACK recovery episode%s}\n"); 854 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 855 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 856 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 857 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 858 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 859 "{N:/SACK option%s (SACK blocks) received}\n"); 860 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 861 "{N:/SACK option%s (SACK blocks) sent}\n"); 862 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 863 "{N:/SACK scoreboard overflow}\n"); 864 865 xo_close_container("sack"); 866 xo_open_container("ecn"); 867 868 p(tcps_ecn_ce, "\t{:ce-packets/%ju} " 869 "{N:/packet%s with ECN CE bit set}\n"); 870 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " 871 "{N:/packet%s with ECN ECT(0) bit set}\n"); 872 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " 873 "{N:/packet%s with ECN ECT(1) bit set}\n"); 874 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 875 "{N:/successful ECN handshake%s}\n"); 876 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 877 "{N:/time%s ECN reduced the congestion window}\n"); 878 879 xo_close_container("ecn"); 880 xo_open_container("tcp-signature"); 881 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 882 "{N:/packet%s with matching signature received}\n"); 883 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 884 "{N:/packet%s with bad signature received}\n"); 885 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 886 "{N:/time%s failed to make signature due to no SA}\n"); 887 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 888 "{N:/time%s unexpected signature received}\n"); 889 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 890 "{N:/time%s no signature provided by segment}\n"); 891 #undef p 892 #undef p1a 893 #undef p2 894 #undef p2a 895 #undef p3 896 xo_close_container("tcp-signature"); 897 898 xo_open_container("TCP connection count by state"); 899 xo_emit("{T:/TCP connection count by state}:\n"); 900 for (int i = 0; i < TCP_NSTATES; i++) { 901 /* 902 * XXXGL: is there a way in libxo to use %s 903 * in the "content string" of a format 904 * string? I failed to do that, that's why 905 * a temporary buffer is used to construct 906 * format string for xo_emit(). 907 */ 908 char fmtbuf[80]; 909 910 if (sflag > 1 && tcps_states[i] == 0) 911 continue; 912 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 913 "{Np:/connection ,connections} in %s state\n", 914 tcpstates[i], tcpstates[i]); 915 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 916 } 917 xo_close_container("TCP connection count by state"); 918 919 xo_close_container("tcp"); 920} 921 922/* 923 * Dump UDP statistics structure. 924 */ 925void 926udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 927{ 928 struct udpstat udpstat; 929 uint64_t delivered; 930 931#ifdef INET6 932 if (udp_done != 0) 933 return; 934 else 935 udp_done = 1; 936#endif 937 938 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 939 sizeof(udpstat), kread_counters) != 0) 940 return; 941 942 xo_open_container("udp"); 943 xo_emit("{T:/%s}:\n", name); 944 945#define p(f, m) if (udpstat.f || sflag <= 1) \ 946 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 947#define p1a(f, m) if (udpstat.f || sflag <= 1) \ 948 xo_emit("\t" m, (uintmax_t)udpstat.f) 949 950 p(udps_ipackets, "{:received-datagrams/%ju} " 951 "{N:/datagram%s received}\n"); 952 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 953 "{N:/with incomplete header}\n"); 954 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 955 "{N:/with bad data length field}\n"); 956 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 957 "{N:/with bad checksum}\n"); 958 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 959 "{N:/with no checksum}\n"); 960 p1a(udps_noport, "{:dropped-no-socket/%ju} " 961 "{N:/dropped due to no socket}\n"); 962 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 963 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 964 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 965 "{N:/dropped due to full socket buffers}\n"); 966 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 967 "{N:/not for hashed pcb}\n"); 968 delivered = udpstat.udps_ipackets - 969 udpstat.udps_hdrops - 970 udpstat.udps_badlen - 971 udpstat.udps_badsum - 972 udpstat.udps_noport - 973 udpstat.udps_noportbcast - 974 udpstat.udps_fullsock; 975 if (delivered || sflag <= 1) 976 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 977 (uint64_t)delivered); 978 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 979 /* the next statistic is cumulative in udps_noportbcast */ 980 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 981 "{N:/time%s multicast source filter matched}\n"); 982#undef p 983#undef p1a 984 xo_close_container("udp"); 985} 986 987/* 988 * Dump CARP statistics structure. 989 */ 990void 991carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 992{ 993 struct carpstats carpstat; 994 995 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 996 sizeof(carpstat), kread_counters) != 0) 997 return; 998 999 xo_open_container(name); 1000 xo_emit("{T:/%s}:\n", name); 1001 1002#define p(f, m) if (carpstat.f || sflag <= 1) \ 1003 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 1004#define p2(f, m) if (carpstat.f || sflag <= 1) \ 1005 xo_emit(m, (uintmax_t)carpstat.f) 1006 1007 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 1008 "{N:/packet%s received (IPv4)}\n"); 1009 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 1010 "{N:/packet%s received (IPv6)}\n"); 1011 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 1012 "{N:/packet%s discarded for wrong TTL}\n"); 1013 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 1014 "{N:/packet%s shorter than header}\n"); 1015 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 1016 "{N:/discarded for bad checksum%s}\n"); 1017 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 1018 "{N:/discarded packet%s with a bad version}\n"); 1019 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 1020 "{N:/discarded because packet too short}\n"); 1021 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 1022 "{N:/discarded for bad authentication}\n"); 1023 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 1024 "{N:/discarded for bad vhid}\n"); 1025 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1026 "{N:/discarded because of a bad address list}\n"); 1027 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1028 "{N:/packet%s sent (IPv4)}\n"); 1029 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1030 "{N:/packet%s sent (IPv6)}\n"); 1031 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1032 "{N:/send failed due to mbuf memory error}\n"); 1033#if notyet 1034 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1035 "{N:/state update%s sent}\n"); 1036#endif 1037#undef p 1038#undef p2 1039 xo_close_container(name); 1040} 1041 1042/* 1043 * Dump IP statistics structure. 1044 */ 1045void 1046ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1047{ 1048 struct ipstat ipstat; 1049 1050 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1051 sizeof(ipstat), kread_counters) != 0) 1052 return; 1053 1054 xo_open_container(name); 1055 xo_emit("{T:/%s}:\n", name); 1056 1057#define p(f, m) if (ipstat.f || sflag <= 1) \ 1058 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1059#define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1060 xo_emit(m, (uintmax_t )ipstat.f) 1061 1062 p(ips_total, "\t{:received-packets/%ju} " 1063 "{N:/total packet%s received}\n"); 1064 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1065 "{N:/bad header checksum%s}\n"); 1066 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1067 "{N:/with size smaller than minimum}\n"); 1068 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1069 "{N:/with data size < data length}\n"); 1070 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1071 "{N:/with ip length > max ip packet size}\n"); 1072 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1073 "{N:/with header length < data size}\n"); 1074 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1075 "{N:/with data length < header length}\n"); 1076 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1077 "{N:/with bad options}\n"); 1078 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1079 "{N:/with incorrect version number}\n"); 1080 p(ips_fragments, "\t{:received-fragments/%ju} " 1081 "{N:/fragment%s received}\n"); 1082 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1083 "{N:/fragment%s dropped (dup or out of space)}\n"); 1084 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1085 "{N:/fragment%s dropped after timeout}\n"); 1086 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1087 "{N:/packet%s reassembled ok}\n"); 1088 p(ips_delivered, "\t{:received-local-packets/%ju} " 1089 "{N:/packet%s for this host}\n"); 1090 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1091 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1092 p(ips_forward, "\t{:forwarded-packets/%ju} " 1093 "{N:/packet%s forwarded}"); 1094 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1095 "{N:/packet%s fast forwarded})"); 1096 if (ipstat.ips_forward || sflag <= 1) 1097 xo_emit("\n"); 1098 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1099 "{N:/packet%s not forwardable}\n"); 1100 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1101 "{N:/packet%s received for unknown multicast group}\n"); 1102 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1103 "{N:/redirect%s sent}\n"); 1104 p(ips_localout, "\t{:sent-packets/%ju} " 1105 "{N:/packet%s sent from this host}\n"); 1106 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1107 "{N:/packet%s sent with fabricated ip header}\n"); 1108 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1109 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1110 p(ips_noroute, "\t{:discard-no-route/%ju} " 1111 "{N:/output packet%s discarded due to no route}\n"); 1112 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1113 "{N:/output datagram%s fragmented}\n"); 1114 p(ips_ofragments, "\t{:fragments-created/%ju} " 1115 "{N:/fragment%s created}\n"); 1116 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1117 "{N:/datagram%s that can't be fragmented}\n"); 1118 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1119 "{N:/tunneling packet%s that can't find gif}\n"); 1120 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1121 "{N:/datagram%s with bad address in header}\n"); 1122#undef p 1123#undef p1a 1124 xo_close_container(name); 1125} 1126 1127/* 1128 * Dump ARP statistics structure. 1129 */ 1130void 1131arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1132{ 1133 struct arpstat arpstat; 1134 1135 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1136 sizeof(arpstat), kread_counters) != 0) 1137 return; 1138 1139 xo_open_container(name); 1140 xo_emit("{T:/%s}:\n", name); 1141 1142#define p(f, m) if (arpstat.f || sflag <= 1) \ 1143 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1144#define p2(f, m) if (arpstat.f || sflag <= 1) \ 1145 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1146 1147 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1148 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1149 p(rxrequests, "{:received-requests/%ju} " 1150 "{N:/ARP request%s received}\n"); 1151 p2(rxreplies, "{:received-replies/%ju} " 1152 "{N:/ARP repl%s received}\n"); 1153 p(received, "{:received-packers/%ju} " 1154 "{N:/ARP packet%s received}\n"); 1155 p(dropped, "{:dropped-no-entry/%ju} " 1156 "{N:/total packet%s dropped due to no ARP entry}\n"); 1157 p(timeouts, "{:entries-timeout/%ju} " 1158 "{N:/ARP entry%s timed out}\n"); 1159 p(dupips, "{:dropped-duplicate-address/%ju} " 1160 "{N:/Duplicate IP%s seen}\n"); 1161#undef p 1162#undef p2 1163 xo_close_container(name); 1164} 1165 1166 1167 1168static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1169 "echo reply", /* RFC 792 */ 1170 "#1", 1171 "#2", 1172 "destination unreachable", /* RFC 792 */ 1173 "source quench", /* RFC 792 */ 1174 "routing redirect", /* RFC 792 */ 1175 "#6", 1176 "#7", 1177 "echo", /* RFC 792 */ 1178 "router advertisement", /* RFC 1256 */ 1179 "router solicitation", /* RFC 1256 */ 1180 "time exceeded", /* RFC 792 */ 1181 "parameter problem", /* RFC 792 */ 1182 "time stamp", /* RFC 792 */ 1183 "time stamp reply", /* RFC 792 */ 1184 "information request", /* RFC 792 */ 1185 "information request reply", /* RFC 792 */ 1186 "address mask request", /* RFC 950 */ 1187 "address mask reply", /* RFC 950 */ 1188 "#19", 1189 "#20", 1190 "#21", 1191 "#22", 1192 "#23", 1193 "#24", 1194 "#25", 1195 "#26", 1196 "#27", 1197 "#28", 1198 "#29", 1199 "icmp traceroute", /* RFC 1393 */ 1200 "datagram conversion error", /* RFC 1475 */ 1201 "mobile host redirect", 1202 "IPv6 where-are-you", 1203 "IPv6 i-am-here", 1204 "mobile registration req", 1205 "mobile registration reply", 1206 "domain name request", /* RFC 1788 */ 1207 "domain name reply", /* RFC 1788 */ 1208 "icmp SKIP", 1209 "icmp photuris", /* RFC 2521 */ 1210}; 1211 1212/* 1213 * Dump ICMP statistics. 1214 */ 1215void 1216icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1217{ 1218 struct icmpstat icmpstat; 1219 size_t len; 1220 int i, first; 1221 1222 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1223 sizeof(icmpstat), kread_counters) != 0) 1224 return; 1225 1226 xo_open_container(name); 1227 xo_emit("{T:/%s}:\n", name); 1228 1229#define p(f, m) if (icmpstat.f || sflag <= 1) \ 1230 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1231#define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1232 xo_emit(m, icmpstat.f) 1233#define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1234 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1235 1236 p(icps_error, "\t{:icmp-calls/%lu} " 1237 "{N:/call%s to icmp_error}\n"); 1238 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1239 "{N:/error%s not generated in response to an icmp message}\n"); 1240 1241 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1242 if (icmpstat.icps_outhist[i] != 0) { 1243 if (first) { 1244 xo_open_list("output-histogram"); 1245 xo_emit("\tOutput histogram:\n"); 1246 first = 0; 1247 } 1248 xo_open_instance("output-histogram"); 1249 if (icmpnames[i] != NULL) 1250 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1251 icmpnames[i], icmpstat.icps_outhist[i]); 1252 else 1253 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1254 "{:count/%lu}\n", 1255 i, icmpstat.icps_outhist[i]); 1256 xo_close_instance("output-histogram"); 1257 } 1258 } 1259 if (!first) 1260 xo_close_list("output-histogram"); 1261 1262 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1263 "{N:/message%s with bad code fields}\n"); 1264 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1265 "{N:/message%s less than the minimum length}\n"); 1266 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1267 "{N:/message%s with bad checksum}\n"); 1268 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1269 "{N:/message%s with bad length}\n"); 1270 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1271 "{N:/multicast echo requests ignored}\n"); 1272 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1273 "{N:/multicast timestamp requests ignored}\n"); 1274 1275 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1276 if (icmpstat.icps_inhist[i] != 0) { 1277 if (first) { 1278 xo_open_list("input-histogram"); 1279 xo_emit("\tInput histogram:\n"); 1280 first = 0; 1281 } 1282 xo_open_instance("input-histogram"); 1283 if (icmpnames[i] != NULL) 1284 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1285 icmpnames[i], 1286 icmpstat.icps_inhist[i]); 1287 else 1288 xo_emit( 1289 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1290 i, icmpstat.icps_inhist[i]); 1291 xo_close_instance("input-histogram"); 1292 } 1293 } 1294 if (!first) 1295 xo_close_list("input-histogram"); 1296 1297 p(icps_reflect, "\t{:sent-packets/%lu} " 1298 "{N:/message response%s generated}\n"); 1299 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1300 "{N:/invalid return address%s}\n"); 1301 p(icps_noroute, "\t{:discard-no-route/%lu} " 1302 "{N:/no return route%s}\n"); 1303#undef p 1304#undef p1a 1305#undef p2 1306 if (live) { 1307 len = sizeof i; 1308 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1309 0) 1310 return; 1311 xo_emit("\tICMP address mask responses are " 1312 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1313 } 1314 1315 xo_close_container(name); 1316} 1317 1318/* 1319 * Dump IGMP statistics structure. 1320 */ 1321void 1322igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1323{ 1324 struct igmpstat igmpstat; 1325 1326 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1327 sizeof(igmpstat), kread) != 0) 1328 return; 1329 1330 if (igmpstat.igps_version != IGPS_VERSION_3) { 1331 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1332 igmpstat.igps_version, IGPS_VERSION_3); 1333 } 1334 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1335 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1336 igmpstat.igps_len, IGPS_VERSION3_LEN); 1337 } 1338 1339 xo_open_container(name); 1340 xo_emit("{T:/%s}:\n", name); 1341 1342#define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1343 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1344#define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1345 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1346 1347 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1348 "{N:/message%s received}\n"); 1349 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1350 "{N:/message%s received with too few bytes}\n"); 1351 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1352 "{N:/message%s received with wrong TTL}\n"); 1353 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1354 "{N:/message%s received with bad checksum}\n"); 1355 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1356 "{N:/V1\\/V2 membership quer%s received}\n"); 1357 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1358 "{N:/V3 membership quer%s received}\n"); 1359 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1360 "{N:/membership quer%s received with invalid field(s)}\n"); 1361 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1362 "{N:/general quer%s received}\n"); 1363 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1364 "{N:/group quer%s received}\n"); 1365 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1366 "{N:/group-source quer%s received}\n"); 1367 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1368 "{N:/group-source quer%s dropped}\n"); 1369 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1370 "{N:/membership report%s received}\n"); 1371 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1372 "{N:/membership report%s received with invalid field(s)}\n"); 1373 p64(igps_rcv_ourreports, "\t" 1374 "{:received-membership-reports-matching/%ju} " 1375 "{N:/membership report%s received for groups to which we belong}" 1376 "\n"); 1377 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1378 "{N:/V3 report%s received without Router Alert}\n"); 1379 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1380 "{N:/membership report%s sent}\n"); 1381#undef p64 1382#undef py64 1383 xo_close_container(name); 1384} 1385 1386/* 1387 * Dump PIM statistics structure. 1388 */ 1389void 1390pim_stats(u_long off __unused, const char *name, int af1 __unused, 1391 int proto __unused) 1392{ 1393 struct pimstat pimstat; 1394 1395 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1396 sizeof(pimstat), kread_counters) != 0) 1397 return; 1398 1399 xo_open_container(name); 1400 xo_emit("{T:/%s}:\n", name); 1401 1402#define p(f, m) if (pimstat.f || sflag <= 1) \ 1403 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1404#define py(f, m) if (pimstat.f || sflag <= 1) \ 1405 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1406 1407 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1408 "{N:/message%s received}\n"); 1409 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1410 "{N:/byte%s received}\n"); 1411 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1412 "{N:/message%s received with too few bytes}\n"); 1413 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1414 "{N:/message%s received with bad checksum}\n"); 1415 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1416 "{N:/message%s received with bad version}\n"); 1417 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1418 "{N:/data register message%s received}\n"); 1419 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1420 "{N:/data register byte%s received}\n"); 1421 p(pims_rcv_registers_wrongiif, "\t" 1422 "{:received-data-register-wrong-interface/%ju} " 1423 "{N:/data register message%s received on wrong iif}\n"); 1424 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1425 "{N:/bad register%s received}\n"); 1426 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1427 "{N:/data register message%s sent}\n"); 1428 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1429 "{N:/data register byte%s sent}\n"); 1430#undef p 1431#undef py 1432 xo_close_container(name); 1433} 1434 1435#ifdef INET 1436/* 1437 * Pretty print an Internet address (net address + port). 1438 */ 1439static void 1440inetprint(const char *container, struct in_addr *in, int port, 1441 const char *proto, int num_port, const int af1) 1442{ 1443 struct servent *sp = 0; 1444 char line[80], *cp; 1445 int width; 1446 size_t alen, plen; 1447 1448 if (container) 1449 xo_open_container(container); 1450 1451 if (Wflag) 1452 snprintf(line, sizeof(line), "%s.", inetname(in)); 1453 else 1454 snprintf(line, sizeof(line), "%.*s.", 1455 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1456 alen = strlen(line); 1457 cp = line + alen; 1458 if (!num_port && port) 1459 sp = getservbyport((int)port, proto); 1460 if (sp || port == 0) 1461 snprintf(cp, sizeof(line) - alen, 1462 "%.15s ", sp ? sp->s_name : "*"); 1463 else 1464 snprintf(cp, sizeof(line) - alen, 1465 "%d ", ntohs((u_short)port)); 1466 width = (Aflag && !Wflag) ? 18 : 1467 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1468 if (Wflag) 1469 xo_emit("{d:target/%-*s} ", width, line); 1470 else 1471 xo_emit("{d:target/%-*.*s} ", width, width, line); 1472 1473 plen = strlen(cp) - 1; 1474 alen--; 1475 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1476 plen, cp); 1477 1478 if (container) 1479 xo_close_container(container); 1480} 1481 1482/* 1483 * Construct an Internet address representation. 1484 * If numeric_addr has been supplied, give 1485 * numeric value, otherwise try for symbolic name. 1486 */ 1487char * 1488inetname(struct in_addr *inp) 1489{ 1490 char *cp; 1491 static char line[MAXHOSTNAMELEN]; 1492 struct hostent *hp; 1493 struct netent *np; 1494 1495 cp = 0; 1496 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1497 int net = inet_netof(*inp); 1498 int lna = inet_lnaof(*inp); 1499 1500 if (lna == INADDR_ANY) { 1501 np = getnetbyaddr(net, AF_INET); 1502 if (np) 1503 cp = np->n_name; 1504 } 1505 if (cp == NULL) { 1506 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1507 if (hp) { 1508 cp = hp->h_name; 1509 trimdomain(cp, strlen(cp)); 1510 } 1511 } 1512 } 1513 if (inp->s_addr == INADDR_ANY) 1514 strcpy(line, "*"); 1515 else if (cp) { 1516 strlcpy(line, cp, sizeof(line)); 1517 } else { 1518 inp->s_addr = ntohl(inp->s_addr); 1519#define C(x) ((u_int)((x) & 0xff)) 1520 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1521 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1522 C(inp->s_addr >> 8), C(inp->s_addr)); 1523 } 1524 return (line); 1525} 1526#endif 1527