1 /*- 2 * Copyright (c) 1983, 1988, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 33 #endif /* not lint */ 34 #endif 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/queue.h> 41 #include <sys/domain.h> 42 #include <sys/protosw.h> 43 #include <sys/socket.h> 44 #define _WANT_SOCKET 45 #include <sys/socketvar.h> 46 #include <sys/sysctl.h> 47 48 #include <net/route.h> 49 #include <net/if_arp.h> 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/ip.h> 53 #include <netinet/ip_carp.h> 54 #ifdef INET6 55 #include <netinet/ip6.h> 56 #endif /* INET6 */ 57 #include <netinet/in_pcb.h> 58 #include <netinet/ip_icmp.h> 59 #include <netinet/icmp_var.h> 60 #include <netinet/igmp_var.h> 61 #include <netinet/ip_var.h> 62 #include <netinet/pim_var.h> 63 #include <netinet/tcp.h> 64 #include <netinet/tcpip.h> 65 #include <netinet/tcp_seq.h> 66 #define TCPSTATES 67 #include <netinet/tcp_fsm.h> 68 #include <netinet/tcp_timer.h> 69 #include <netinet/tcp_var.h> 70 #include <netinet/udp.h> 71 #include <netinet/udp_var.h> 72 73 #include <arpa/inet.h> 74 #include <err.h> 75 #include <errno.h> 76 #include <libutil.h> 77 #include <netdb.h> 78 #include <stdint.h> 79 #include <stdio.h> 80 #include <stdlib.h> 81 #include <stdbool.h> 82 #include <string.h> 83 #include <unistd.h> 84 #include <libxo/xo.h> 85 #include "netstat.h" 86 #include "nl_defs.h" 87 88 #define max(a, b) (((a) > (b)) ? (a) : (b)) 89 90 #ifdef INET 91 static void inetprint(const char *, struct in_addr *, int, const char *, int, 92 const int); 93 #endif 94 #ifdef INET6 95 static int udp_done, tcp_done, sdp_done; 96 #endif /* INET6 */ 97 98 static int 99 pcblist_sysctl(int proto, const char *name, char **bufp) 100 { 101 const char *mibvar; 102 char *buf; 103 size_t len; 104 105 switch (proto) { 106 case IPPROTO_TCP: 107 mibvar = "net.inet.tcp.pcblist"; 108 break; 109 case IPPROTO_UDP: 110 mibvar = "net.inet.udp.pcblist"; 111 break; 112 case IPPROTO_DIVERT: 113 mibvar = "net.inet.divert.pcblist"; 114 break; 115 default: 116 mibvar = "net.inet.raw.pcblist"; 117 break; 118 } 119 if (strncmp(name, "sdp", 3) == 0) 120 mibvar = "net.inet.sdp.pcblist"; 121 len = 0; 122 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 123 if (errno != ENOENT) 124 xo_warn("sysctl: %s", mibvar); 125 return (0); 126 } 127 if ((buf = malloc(len)) == NULL) { 128 xo_warnx("malloc %lu bytes", (u_long)len); 129 return (0); 130 } 131 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 132 xo_warn("sysctl: %s", mibvar); 133 free(buf); 134 return (0); 135 } 136 *bufp = buf; 137 return (1); 138 } 139 140 /* 141 * Copied directly from uipc_socket2.c. We leave out some fields that are in 142 * nested structures that aren't used to avoid extra work. 143 */ 144 static void 145 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 146 { 147 xsb->sb_cc = sb->sb_ccc; 148 xsb->sb_hiwat = sb->sb_hiwat; 149 xsb->sb_mbcnt = sb->sb_mbcnt; 150 xsb->sb_mcnt = sb->sb_mcnt; 151 xsb->sb_ccnt = sb->sb_ccnt; 152 xsb->sb_mbmax = sb->sb_mbmax; 153 xsb->sb_lowat = sb->sb_lowat; 154 xsb->sb_flags = sb->sb_flags; 155 xsb->sb_timeo = sb->sb_timeo; 156 } 157 158 int 159 sotoxsocket(struct socket *so, struct xsocket *xso) 160 { 161 struct protosw proto; 162 struct domain domain; 163 164 bzero(xso, sizeof *xso); 165 xso->xso_len = sizeof *xso; 166 xso->xso_so = (uintptr_t)so; 167 xso->so_type = so->so_type; 168 xso->so_options = so->so_options; 169 xso->so_linger = so->so_linger; 170 xso->so_state = so->so_state; 171 xso->so_pcb = (uintptr_t)so->so_pcb; 172 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 173 return (-1); 174 xso->xso_protocol = proto.pr_protocol; 175 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 176 return (-1); 177 xso->xso_family = domain.dom_family; 178 xso->so_timeo = so->so_timeo; 179 xso->so_error = so->so_error; 180 if ((so->so_options & SO_ACCEPTCONN) != 0) { 181 xso->so_qlen = so->sol_qlen; 182 xso->so_incqlen = so->sol_incqlen; 183 xso->so_qlimit = so->sol_qlimit; 184 } else { 185 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 186 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 187 xso->so_oobmark = so->so_oobmark; 188 } 189 return (0); 190 } 191 192 /* 193 * Print a summary of connections related to an Internet 194 * protocol. For TCP, also give state of connection. 195 * Listening processes (aflag) are suppressed unless the 196 * -a (all) flag is specified. 197 */ 198 void 199 protopr(u_long off, const char *name, int af1, int proto) 200 { 201 static int first = 1; 202 int istcp; 203 char *buf; 204 const char *vchar; 205 struct xtcpcb *tp; 206 struct xinpcb *inp; 207 struct xinpgen *xig, *oxig; 208 struct xsocket *so; 209 int fnamelen, cnamelen; 210 211 istcp = 0; 212 switch (proto) { 213 case IPPROTO_TCP: 214 #ifdef INET6 215 if (strncmp(name, "sdp", 3) != 0) { 216 if (tcp_done != 0) 217 return; 218 else 219 tcp_done = 1; 220 } else { 221 if (sdp_done != 0) 222 return; 223 else 224 sdp_done = 1; 225 } 226 #endif 227 istcp = 1; 228 break; 229 case IPPROTO_UDP: 230 #ifdef INET6 231 if (udp_done != 0) 232 return; 233 else 234 udp_done = 1; 235 #endif 236 break; 237 } 238 239 if (!pcblist_sysctl(proto, name, &buf)) 240 return; 241 242 if (cflag || Cflag) { 243 fnamelen = strlen("Stack"); 244 cnamelen = strlen("CC"); 245 oxig = xig = (struct xinpgen *)buf; 246 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 247 xig->xig_len > sizeof(struct xinpgen); 248 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 249 if (istcp) { 250 tp = (struct xtcpcb *)xig; 251 inp = &tp->xt_inp; 252 } else { 253 continue; 254 } 255 if (so->xso_protocol != proto) 256 continue; 257 if (inp->inp_gencnt > oxig->xig_gen) 258 continue; 259 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 260 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 261 } 262 } 263 264 oxig = xig = (struct xinpgen *)buf; 265 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 266 xig->xig_len > sizeof(struct xinpgen); 267 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 268 if (istcp) { 269 tp = (struct xtcpcb *)xig; 270 inp = &tp->xt_inp; 271 } else { 272 inp = (struct xinpcb *)xig; 273 } 274 so = &inp->xi_socket; 275 276 /* Ignore sockets for protocols other than the desired one. */ 277 if (so->xso_protocol != proto) 278 continue; 279 280 /* Ignore PCBs which were freed during copyout. */ 281 if (inp->inp_gencnt > oxig->xig_gen) 282 continue; 283 284 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 285 #ifdef INET6 286 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 287 #endif /* INET6 */ 288 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 289 #ifdef INET6 290 && (inp->inp_vflag & INP_IPV6) == 0 291 #endif /* INET6 */ 292 )) 293 ) 294 continue; 295 if (!aflag && 296 ( 297 (istcp && tp->t_state == TCPS_LISTEN) 298 || (af1 == AF_INET && 299 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 300 #ifdef INET6 301 || (af1 == AF_INET6 && 302 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 303 #endif /* INET6 */ 304 || (af1 == AF_UNSPEC && 305 (((inp->inp_vflag & INP_IPV4) != 0 && 306 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 307 #ifdef INET6 308 || ((inp->inp_vflag & INP_IPV6) != 0 && 309 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 310 #endif 311 )) 312 )) 313 continue; 314 315 if (first) { 316 if (!Lflag) { 317 xo_emit("Active Internet connections"); 318 if (aflag) 319 xo_emit(" (including servers)"); 320 } else 321 xo_emit( 322 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 323 xo_emit("\n"); 324 if (Aflag) 325 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 326 "Tcpcb"); 327 if (Lflag) 328 xo_emit((Aflag && !Wflag) ? 329 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 330 ((!Wflag || af1 == AF_INET) ? 331 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 332 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 333 "Proto", "Listen", "Local Address"); 334 else if (Tflag) 335 xo_emit((Aflag && !Wflag) ? 336 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 337 ((!Wflag || af1 == AF_INET) ? 338 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 339 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 340 "Proto", "Rexmit", "OOORcv", "0-win", 341 "Local Address", "Foreign Address"); 342 else { 343 xo_emit((Aflag && !Wflag) ? 344 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 345 ((!Wflag || af1 == AF_INET) ? 346 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 347 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 348 "Proto", "Recv-Q", "Send-Q", 349 "Local Address", "Foreign Address"); 350 if (!xflag && !Rflag) 351 xo_emit(" {T:/%-11.11s}", "(state)"); 352 } 353 if (xflag) { 354 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 355 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 356 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 357 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 358 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS", 359 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 360 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 361 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 362 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 363 "rexmt", "persist", "keep", "2msl", 364 "delack", "rcvtime"); 365 } else if (Rflag) { 366 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 367 "flowid", "ftype"); 368 } 369 if (cflag) { 370 xo_emit(" {T:/%-*.*s}", 371 fnamelen, fnamelen, "Stack"); 372 } 373 if (Cflag) 374 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 375 " {T:/%10.10s} {T:/%5.5s}" 376 " {T:/%3.3s}", cnamelen, 377 cnamelen, "CC", 378 "cwin", 379 "ssthresh", 380 "MSS", 381 "ECN"); 382 if (Pflag) 383 xo_emit(" {T:/%s}", "Log ID"); 384 xo_emit("\n"); 385 first = 0; 386 } 387 if (Lflag && so->so_qlimit == 0) 388 continue; 389 xo_open_instance("socket"); 390 if (Aflag) { 391 if (istcp) 392 xo_emit("{q:address/%*lx} ", 393 2 * (int)sizeof(void *), 394 (u_long)inp->inp_ppcb); 395 else 396 xo_emit("{q:address/%*lx} ", 397 2 * (int)sizeof(void *), 398 (u_long)so->so_pcb); 399 } 400 #ifdef INET6 401 if ((inp->inp_vflag & INP_IPV6) != 0) 402 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 403 "46" : "6"; 404 else 405 #endif 406 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 407 "4" : ""; 408 if (istcp && (tp->t_flags & TF_TOE) != 0) 409 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 410 else 411 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 412 if (Lflag) { 413 char buf1[33]; 414 415 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 416 so->so_incqlen, so->so_qlimit); 417 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 418 } else if (Tflag) { 419 if (istcp) 420 xo_emit("{:sent-retransmit-packets/%6u} " 421 "{:received-out-of-order-packets/%6u} " 422 "{:sent-zero-window/%6u} ", 423 tp->t_sndrexmitpack, tp->t_rcvoopack, 424 tp->t_sndzerowin); 425 else 426 xo_emit("{P:/%21s}", ""); 427 } else { 428 xo_emit("{:receive-bytes-waiting/%6u} " 429 "{:send-bytes-waiting/%6u} ", 430 so->so_rcv.sb_cc, so->so_snd.sb_cc); 431 } 432 if (numeric_port) { 433 #ifdef INET 434 if (inp->inp_vflag & INP_IPV4) { 435 inetprint("local", &inp->inp_laddr, 436 (int)inp->inp_lport, name, 1, af1); 437 if (!Lflag) 438 inetprint("remote", &inp->inp_faddr, 439 (int)inp->inp_fport, name, 1, af1); 440 } 441 #endif 442 #if defined(INET) && defined(INET6) 443 else 444 #endif 445 #ifdef INET6 446 if (inp->inp_vflag & INP_IPV6) { 447 inet6print("local", &inp->in6p_laddr, 448 (int)inp->inp_lport, name, 1); 449 if (!Lflag) 450 inet6print("remote", &inp->in6p_faddr, 451 (int)inp->inp_fport, name, 1); 452 } /* else nothing printed now */ 453 #endif /* INET6 */ 454 } else if (inp->inp_flags & INP_ANONPORT) { 455 #ifdef INET 456 if (inp->inp_vflag & INP_IPV4) { 457 inetprint("local", &inp->inp_laddr, 458 (int)inp->inp_lport, name, 1, af1); 459 if (!Lflag) 460 inetprint("remote", &inp->inp_faddr, 461 (int)inp->inp_fport, name, 0, af1); 462 } 463 #endif 464 #if defined(INET) && defined(INET6) 465 else 466 #endif 467 #ifdef INET6 468 if (inp->inp_vflag & INP_IPV6) { 469 inet6print("local", &inp->in6p_laddr, 470 (int)inp->inp_lport, name, 1); 471 if (!Lflag) 472 inet6print("remote", &inp->in6p_faddr, 473 (int)inp->inp_fport, name, 0); 474 } /* else nothing printed now */ 475 #endif /* INET6 */ 476 } else { 477 #ifdef INET 478 if (inp->inp_vflag & INP_IPV4) { 479 inetprint("local", &inp->inp_laddr, 480 (int)inp->inp_lport, name, 0, af1); 481 if (!Lflag) 482 inetprint("remote", &inp->inp_faddr, 483 (int)inp->inp_fport, name, 484 inp->inp_lport != inp->inp_fport, 485 af1); 486 } 487 #endif 488 #if defined(INET) && defined(INET6) 489 else 490 #endif 491 #ifdef INET6 492 if (inp->inp_vflag & INP_IPV6) { 493 inet6print("local", &inp->in6p_laddr, 494 (int)inp->inp_lport, name, 0); 495 if (!Lflag) 496 inet6print("remote", &inp->in6p_faddr, 497 (int)inp->inp_fport, name, 498 inp->inp_lport != inp->inp_fport); 499 } /* else nothing printed now */ 500 #endif /* INET6 */ 501 } 502 if (xflag) { 503 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} " 504 "{:receive-clusters/%6u} {:send-clusters/%6u} " 505 "{:receive-high-water/%6u} {:send-high-water/%6u} " 506 "{:receive-low-water/%6u} {:send-low-water/%6u} " 507 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 508 "{:receive-mbuf-bytes-max/%6u} " 509 "{:send-mbuf-bytes-max/%6u}", 510 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 511 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 512 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 513 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 514 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 515 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 516 if (istcp) 517 xo_emit(" {:retransmit-timer/%4d.%02d} " 518 "{:persist-timer/%4d.%02d} " 519 "{:keepalive-timer/%4d.%02d} " 520 "{:msl2-timer/%4d.%02d} " 521 "{:delay-ack-timer/%4d.%02d} " 522 "{:inactivity-timer/%4d.%02d}", 523 tp->tt_rexmt / 1000, 524 (tp->tt_rexmt % 1000) / 10, 525 tp->tt_persist / 1000, 526 (tp->tt_persist % 1000) / 10, 527 tp->tt_keep / 1000, 528 (tp->tt_keep % 1000) / 10, 529 tp->tt_2msl / 1000, 530 (tp->tt_2msl % 1000) / 10, 531 tp->tt_delack / 1000, 532 (tp->tt_delack % 1000) / 10, 533 tp->t_rcvtime / 1000, 534 (tp->t_rcvtime % 1000) / 10); 535 } 536 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 537 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 538 xo_emit("{:tcp-state/%-11d}", tp->t_state); 539 else { 540 xo_emit("{:tcp-state/%-11s}", 541 tcpstates[tp->t_state]); 542 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 543 /* Show T/TCP `hidden state' */ 544 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 545 xo_emit("{:need-syn-or-fin/*}"); 546 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 547 } 548 } 549 if (Rflag) { 550 /* XXX: is this right Alfred */ 551 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 552 inp->inp_flowid, 553 inp->inp_flowtype); 554 } 555 if (istcp) { 556 if (cflag) 557 xo_emit(" {:stack/%-*.*s}", 558 559 fnamelen, fnamelen, tp->xt_stack); 560 if (Cflag) 561 xo_emit(" {:cc/%-*.*s}" 562 " {:snd-cwnd/%10lu}" 563 " {:snd-ssthresh/%10lu}" 564 " {:t-maxseg/%5u} {:ecn/%3s}", 565 cnamelen, cnamelen, tp->xt_cc, 566 tp->t_snd_cwnd, tp->t_snd_ssthresh, 567 tp->t_maxseg, 568 (tp->t_state >= TCPS_ESTABLISHED ? 569 (tp->xt_ecn > 0 ? 570 (tp->xt_ecn == 1 ? 571 "ecn" : "ace") 572 : "off") 573 : "n/a")); 574 if (Pflag) 575 xo_emit(" {:log-id/%s}", 576 tp->xt_logid[0] == '\0' ? 577 "-" : tp->xt_logid); 578 } 579 xo_emit("\n"); 580 xo_close_instance("socket"); 581 } 582 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 583 if (oxig->xig_count > xig->xig_count) { 584 xo_emit("Some {d:lost/%s} sockets may have been " 585 "deleted.\n", name); 586 } else if (oxig->xig_count < xig->xig_count) { 587 xo_emit("Some {d:created/%s} sockets may have been " 588 "created.\n", name); 589 } else { 590 xo_emit("Some {d:changed/%s} sockets may have been " 591 "created or deleted.\n", name); 592 } 593 } 594 free(buf); 595 } 596 597 /* 598 * Dump TCP statistics structure. 599 */ 600 void 601 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 602 { 603 struct tcpstat tcpstat; 604 uint64_t tcps_states[TCP_NSTATES]; 605 606 #ifdef INET6 607 if (tcp_done != 0) 608 return; 609 else 610 tcp_done = 1; 611 #endif 612 613 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 614 sizeof(tcpstat), kread_counters) != 0) 615 return; 616 617 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 618 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 619 return; 620 621 xo_open_container("tcp"); 622 xo_emit("{T:/%s}:\n", name); 623 624 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 625 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 626 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 627 xo_emit(m, (uintmax_t )tcpstat.f) 628 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 629 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 630 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 631 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 632 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 633 (uintmax_t )tcpstat.f2) 634 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 635 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 636 637 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 638 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 639 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 640 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 641 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 642 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 643 "{N:retransmitted}\n"); 644 p(tcps_sndrexmitbad, "\t\t" 645 "{:sent-unnecessary-retransmitted-packets/%ju} " 646 "{N:/data packet%s unnecessarily retransmitted}\n"); 647 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 648 "{N:/resend%s initiated by MTU discovery}\n"); 649 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 650 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 651 "{N:delayed})\n"); 652 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 653 "{N:/URG only packet%s}\n"); 654 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 655 "{N:/window probe packet%s}\n"); 656 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 657 "{N:/window update packet%s}\n"); 658 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 659 "{N:/control packet%s}\n"); 660 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 661 "{N:/packet%s received}\n"); 662 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 663 "{:received-ack-packets/%ju} {N:/ack%s} " 664 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 665 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 666 "{N:/duplicate ack%s}\n"); 667 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 668 "{N:/UDP tunneled pkt%s}\n"); 669 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 670 "{N:/UDP tunneled pkt cnt with error%s}\n"); 671 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 672 "{N:/ack%s for unsent data}\n"); 673 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 674 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 675 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 676 "{N:received in-sequence}\n"); 677 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 678 "{:received-completely-duplicate-packets/%ju} " 679 "{N:/completely duplicate packet%s} " 680 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 681 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 682 "{N:/old duplicate packet%s}\n"); 683 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 684 "{:received-some-duplicate-packets/%ju} " 685 "{N:/packet%s with some dup. data} " 686 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 687 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 688 "{N:/out-of-order packet%s} " 689 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 690 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 691 "{:received-after-window-packets/%ju} {N:/packet%s} " 692 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 693 "{N:of data after window}\n"); 694 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 695 "{N:/window probe%s}\n"); 696 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 697 "{N:/window update packet%s}\n"); 698 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 699 "{N:/packet%s received with dsack}\n"); 700 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 701 "{N:/dsack byte%s received (no TLP involved)}\n"); 702 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 703 "{N:/dsack byte%s received (TLP responsible)}\n"); 704 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 705 "{N:/packet%s received after close}\n"); 706 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 707 "{N:/discarded for bad checksum%s}\n"); 708 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 709 "{N:/discarded for bad header offset field%s}\n"); 710 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 711 "{N:discarded because packet too short}\n"); 712 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 713 "{N:discarded due to full reassembly queue}\n"); 714 p(tcps_connattempt, "\t{:connection-requests/%ju} " 715 "{N:/connection request%s}\n"); 716 p(tcps_accepts, "\t{:connections-accepts/%ju} " 717 "{N:/connection accept%s}\n"); 718 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 719 "{N:/bad connection attempt%s}\n"); 720 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 721 "{N:/listen queue overflow%s}\n"); 722 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 723 "{N:/ignored RSTs in the window%s}\n"); 724 p(tcps_connects, "\t{:connections-established/%ju} " 725 "{N:/connection%s established (including accepts)}\n"); 726 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 727 "{N:/time%s used RTT from hostcache}\n"); 728 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 729 "{N:/time%s used RTT variance from hostcache}\n"); 730 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 731 "{N:/time%s used slow-start threshold from hostcache}\n"); 732 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 733 "{N:/connection%s closed (including} " 734 "{:connection-drops/%ju} {N:/drop%s})\n"); 735 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 736 "{N:/connection%s updated cached RTT on close}\n"); 737 p(tcps_cachedrttvar, "\t\t" 738 "{:connections-updated-variance-on-close/%ju} " 739 "{N:/connection%s updated cached RTT variance on close}\n"); 740 p(tcps_cachedssthresh, "\t\t" 741 "{:connections-updated-ssthresh-on-close/%ju} " 742 "{N:/connection%s updated cached ssthresh on close}\n"); 743 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 744 "{N:/embryonic connection%s dropped}\n"); 745 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 746 "{N:/segment%s updated rtt (of} " 747 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 748 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 749 "{N:/retransmit timeout%s}\n"); 750 p(tcps_timeoutdrop, "\t\t" 751 "{:connections-dropped-by-retransmit-timeout/%ju} " 752 "{N:/connection%s dropped by rexmit timeout}\n"); 753 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 754 "{N:/persist timeout%s}\n"); 755 p(tcps_persistdrop, "\t\t" 756 "{:connections-dropped-by-persist-timeout/%ju} " 757 "{N:/connection%s dropped by persist timeout}\n"); 758 p(tcps_finwait2_drops, "\t" 759 "{:connections-dropped-by-finwait2-timeout/%ju} " 760 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 761 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 762 "{N:/keepalive timeout%s}\n"); 763 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 764 "{N:/keepalive probe%s sent}\n"); 765 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 766 "{N:/connection%s dropped by keepalive}\n"); 767 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 768 "{N:/correct ACK header prediction%s}\n"); 769 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 770 "{N:/correct data packet header prediction%s}\n"); 771 772 xo_open_container("syncache"); 773 774 p3(tcps_sc_added, "\t{:entries-added/%ju} " 775 "{N:/syncache entr%s added}\n"); 776 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 777 "{N:/retransmitted}\n"); 778 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 779 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 780 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 781 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 782 "{N:/bucket overflow}\n"); 783 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 784 "{N:/cache overflow}\n"); 785 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 786 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 787 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 788 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 789 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 790 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 791 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 792 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 793 "{N:/cookie%s received}\n"); 794 795 xo_close_container("syncache"); 796 797 xo_open_container("hostcache"); 798 799 p3(tcps_hc_added, "\t{:entries-added/%ju} " 800 "{N:/hostcache entr%s added}\n"); 801 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 802 "{N:/bucket overflow}\n"); 803 804 xo_close_container("hostcache"); 805 806 xo_open_container("sack"); 807 808 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 809 "{N:/SACK recovery episode%s}\n"); 810 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 811 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 812 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 813 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 814 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 815 "{N:/SACK option%s (SACK blocks) received}\n"); 816 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 817 "{N:/SACK option%s (SACK blocks) sent}\n"); 818 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 819 "{N:/SACK retransmission%s lost}\n"); 820 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 821 "{N:/SACK scoreboard overflow}\n"); 822 823 xo_close_container("sack"); 824 xo_open_container("ecn"); 825 826 p(tcps_ecn_ce, "\t{:ce-packets/%ju} " 827 "{N:/packet%s with ECN CE bit set}\n"); 828 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " 829 "{N:/packet%s with ECN ECT(0) bit set}\n"); 830 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " 831 "{N:/packet%s with ECN ECT(1) bit set}\n"); 832 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 833 "{N:/successful ECN handshake%s}\n"); 834 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 835 "{N:/time%s ECN reduced the congestion window}\n"); 836 837 xo_close_container("ecn"); 838 xo_open_container("tcp-signature"); 839 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 840 "{N:/packet%s with matching signature received}\n"); 841 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 842 "{N:/packet%s with bad signature received}\n"); 843 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 844 "{N:/time%s failed to make signature due to no SA}\n"); 845 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 846 "{N:/time%s unexpected signature received}\n"); 847 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 848 "{N:/time%s no signature provided by segment}\n"); 849 850 xo_close_container("tcp-signature"); 851 xo_open_container("pmtud"); 852 853 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 854 "{N:/Path MTU discovery black hole detection activation%s}\n"); 855 p(tcps_pmtud_blackhole_activated_min_mss, 856 "\t{:pmtud-activated-min-mss/%ju} " 857 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 858 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 859 "{N:/Path MTU discovery black hole detection failure%s}\n"); 860 #undef p 861 #undef p1a 862 #undef p2 863 #undef p2a 864 #undef p3 865 xo_close_container("pmtud"); 866 867 868 xo_open_container("TCP connection count by state"); 869 xo_emit("{T:/TCP connection count by state}:\n"); 870 for (int i = 0; i < TCP_NSTATES; i++) { 871 /* 872 * XXXGL: is there a way in libxo to use %s 873 * in the "content string" of a format 874 * string? I failed to do that, that's why 875 * a temporary buffer is used to construct 876 * format string for xo_emit(). 877 */ 878 char fmtbuf[80]; 879 880 if (sflag > 1 && tcps_states[i] == 0) 881 continue; 882 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 883 "{Np:/connection ,connections} in %s state\n", 884 tcpstates[i], tcpstates[i]); 885 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 886 } 887 xo_close_container("TCP connection count by state"); 888 889 xo_close_container("tcp"); 890 } 891 892 /* 893 * Dump UDP statistics structure. 894 */ 895 void 896 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 897 { 898 struct udpstat udpstat; 899 uint64_t delivered; 900 901 #ifdef INET6 902 if (udp_done != 0) 903 return; 904 else 905 udp_done = 1; 906 #endif 907 908 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 909 sizeof(udpstat), kread_counters) != 0) 910 return; 911 912 xo_open_container("udp"); 913 xo_emit("{T:/%s}:\n", name); 914 915 #define p(f, m) if (udpstat.f || sflag <= 1) \ 916 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 917 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 918 xo_emit("\t" m, (uintmax_t)udpstat.f) 919 920 p(udps_ipackets, "{:received-datagrams/%ju} " 921 "{N:/datagram%s received}\n"); 922 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 923 "{N:/with incomplete header}\n"); 924 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 925 "{N:/with bad data length field}\n"); 926 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 927 "{N:/with bad checksum}\n"); 928 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 929 "{N:/with no checksum}\n"); 930 p1a(udps_noport, "{:dropped-no-socket/%ju} " 931 "{N:/dropped due to no socket}\n"); 932 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 933 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 934 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 935 "{N:/dropped due to full socket buffers}\n"); 936 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 937 "{N:/not for hashed pcb}\n"); 938 delivered = udpstat.udps_ipackets - 939 udpstat.udps_hdrops - 940 udpstat.udps_badlen - 941 udpstat.udps_badsum - 942 udpstat.udps_noport - 943 udpstat.udps_noportbcast - 944 udpstat.udps_fullsock; 945 if (delivered || sflag <= 1) 946 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 947 (uint64_t)delivered); 948 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 949 /* the next statistic is cumulative in udps_noportbcast */ 950 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 951 "{N:/time%s multicast source filter matched}\n"); 952 #undef p 953 #undef p1a 954 xo_close_container("udp"); 955 } 956 957 /* 958 * Dump CARP statistics structure. 959 */ 960 void 961 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 962 { 963 struct carpstats carpstat; 964 965 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 966 sizeof(carpstat), kread_counters) != 0) 967 return; 968 969 xo_open_container(name); 970 xo_emit("{T:/%s}:\n", name); 971 972 #define p(f, m) if (carpstat.f || sflag <= 1) \ 973 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 974 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 975 xo_emit(m, (uintmax_t)carpstat.f) 976 977 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 978 "{N:/packet%s received (IPv4)}\n"); 979 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 980 "{N:/packet%s received (IPv6)}\n"); 981 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 982 "{N:/packet%s discarded for wrong TTL}\n"); 983 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 984 "{N:/packet%s shorter than header}\n"); 985 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 986 "{N:/discarded for bad checksum%s}\n"); 987 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 988 "{N:/discarded packet%s with a bad version}\n"); 989 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 990 "{N:/discarded because packet too short}\n"); 991 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 992 "{N:/discarded for bad authentication}\n"); 993 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 994 "{N:/discarded for bad vhid}\n"); 995 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 996 "{N:/discarded because of a bad address list}\n"); 997 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 998 "{N:/packet%s sent (IPv4)}\n"); 999 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1000 "{N:/packet%s sent (IPv6)}\n"); 1001 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1002 "{N:/send failed due to mbuf memory error}\n"); 1003 #if notyet 1004 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1005 "{N:/state update%s sent}\n"); 1006 #endif 1007 #undef p 1008 #undef p2 1009 xo_close_container(name); 1010 } 1011 1012 /* 1013 * Dump IP statistics structure. 1014 */ 1015 void 1016 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1017 { 1018 struct ipstat ipstat; 1019 1020 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1021 sizeof(ipstat), kread_counters) != 0) 1022 return; 1023 1024 xo_open_container(name); 1025 xo_emit("{T:/%s}:\n", name); 1026 1027 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1028 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1029 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1030 xo_emit(m, (uintmax_t )ipstat.f) 1031 1032 p(ips_total, "\t{:received-packets/%ju} " 1033 "{N:/total packet%s received}\n"); 1034 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1035 "{N:/bad header checksum%s}\n"); 1036 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1037 "{N:/with size smaller than minimum}\n"); 1038 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1039 "{N:/with data size < data length}\n"); 1040 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1041 "{N:/with ip length > max ip packet size}\n"); 1042 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1043 "{N:/with header length < data size}\n"); 1044 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1045 "{N:/with data length < header length}\n"); 1046 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1047 "{N:/with bad options}\n"); 1048 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1049 "{N:/with incorrect version number}\n"); 1050 p(ips_fragments, "\t{:received-fragments/%ju} " 1051 "{N:/fragment%s received}\n"); 1052 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1053 "{N:/fragment%s dropped (dup or out of space)}\n"); 1054 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1055 "{N:/fragment%s dropped after timeout}\n"); 1056 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1057 "{N:/packet%s reassembled ok}\n"); 1058 p(ips_delivered, "\t{:received-local-packets/%ju} " 1059 "{N:/packet%s for this host}\n"); 1060 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1061 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1062 p(ips_forward, "\t{:forwarded-packets/%ju} " 1063 "{N:/packet%s forwarded}"); 1064 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1065 "{N:/packet%s fast forwarded})"); 1066 if (ipstat.ips_forward || sflag <= 1) 1067 xo_emit("\n"); 1068 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1069 "{N:/packet%s not forwardable}\n"); 1070 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1071 "{N:/packet%s received for unknown multicast group}\n"); 1072 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1073 "{N:/redirect%s sent}\n"); 1074 p(ips_localout, "\t{:sent-packets/%ju} " 1075 "{N:/packet%s sent from this host}\n"); 1076 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1077 "{N:/packet%s sent with fabricated ip header}\n"); 1078 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1079 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1080 p(ips_noroute, "\t{:discard-no-route/%ju} " 1081 "{N:/output packet%s discarded due to no route}\n"); 1082 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1083 "{N:/output datagram%s fragmented}\n"); 1084 p(ips_ofragments, "\t{:fragments-created/%ju} " 1085 "{N:/fragment%s created}\n"); 1086 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1087 "{N:/datagram%s that can't be fragmented}\n"); 1088 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1089 "{N:/tunneling packet%s that can't find gif}\n"); 1090 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1091 "{N:/datagram%s with bad address in header}\n"); 1092 #undef p 1093 #undef p1a 1094 xo_close_container(name); 1095 } 1096 1097 /* 1098 * Dump ARP statistics structure. 1099 */ 1100 void 1101 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1102 { 1103 struct arpstat arpstat; 1104 1105 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1106 sizeof(arpstat), kread_counters) != 0) 1107 return; 1108 1109 xo_open_container(name); 1110 xo_emit("{T:/%s}:\n", name); 1111 1112 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1113 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1114 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1115 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1116 1117 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1118 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1119 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1120 p(rxrequests, "{:received-requests/%ju} " 1121 "{N:/ARP request%s received}\n"); 1122 p2(rxreplies, "{:received-replies/%ju} " 1123 "{N:/ARP repl%s received}\n"); 1124 p(received, "{:received-packets/%ju} " 1125 "{N:/ARP packet%s received}\n"); 1126 p(dropped, "{:dropped-no-entry/%ju} " 1127 "{N:/total packet%s dropped due to no ARP entry}\n"); 1128 p(timeouts, "{:entries-timeout/%ju} " 1129 "{N:/ARP entry%s timed out}\n"); 1130 p(dupips, "{:dropped-duplicate-address/%ju} " 1131 "{N:/Duplicate IP%s seen}\n"); 1132 #undef p 1133 #undef p2 1134 xo_close_container(name); 1135 } 1136 1137 1138 1139 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1140 "echo reply", /* RFC 792 */ 1141 "#1", 1142 "#2", 1143 "destination unreachable", /* RFC 792 */ 1144 "source quench", /* RFC 792 */ 1145 "routing redirect", /* RFC 792 */ 1146 "#6", 1147 "#7", 1148 "echo", /* RFC 792 */ 1149 "router advertisement", /* RFC 1256 */ 1150 "router solicitation", /* RFC 1256 */ 1151 "time exceeded", /* RFC 792 */ 1152 "parameter problem", /* RFC 792 */ 1153 "time stamp", /* RFC 792 */ 1154 "time stamp reply", /* RFC 792 */ 1155 "information request", /* RFC 792 */ 1156 "information request reply", /* RFC 792 */ 1157 "address mask request", /* RFC 950 */ 1158 "address mask reply", /* RFC 950 */ 1159 "#19", 1160 "#20", 1161 "#21", 1162 "#22", 1163 "#23", 1164 "#24", 1165 "#25", 1166 "#26", 1167 "#27", 1168 "#28", 1169 "#29", 1170 "icmp traceroute", /* RFC 1393 */ 1171 "datagram conversion error", /* RFC 1475 */ 1172 "mobile host redirect", 1173 "IPv6 where-are-you", 1174 "IPv6 i-am-here", 1175 "mobile registration req", 1176 "mobile registration reply", 1177 "domain name request", /* RFC 1788 */ 1178 "domain name reply", /* RFC 1788 */ 1179 "icmp SKIP", 1180 "icmp photuris", /* RFC 2521 */ 1181 }; 1182 1183 /* 1184 * Dump ICMP statistics. 1185 */ 1186 void 1187 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1188 { 1189 struct icmpstat icmpstat; 1190 size_t len; 1191 int i, first; 1192 1193 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1194 sizeof(icmpstat), kread_counters) != 0) 1195 return; 1196 1197 xo_open_container(name); 1198 xo_emit("{T:/%s}:\n", name); 1199 1200 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1201 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1202 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1203 xo_emit(m, icmpstat.f) 1204 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1205 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1206 1207 p(icps_error, "\t{:icmp-calls/%lu} " 1208 "{N:/call%s to icmp_error}\n"); 1209 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1210 "{N:/error%s not generated in response to an icmp message}\n"); 1211 1212 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1213 if (icmpstat.icps_outhist[i] != 0) { 1214 if (first) { 1215 xo_open_list("output-histogram"); 1216 xo_emit("\tOutput histogram:\n"); 1217 first = 0; 1218 } 1219 xo_open_instance("output-histogram"); 1220 if (icmpnames[i] != NULL) 1221 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1222 icmpnames[i], icmpstat.icps_outhist[i]); 1223 else 1224 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1225 "{:count/%lu}\n", 1226 i, icmpstat.icps_outhist[i]); 1227 xo_close_instance("output-histogram"); 1228 } 1229 } 1230 if (!first) 1231 xo_close_list("output-histogram"); 1232 1233 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1234 "{N:/message%s with bad code fields}\n"); 1235 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1236 "{N:/message%s less than the minimum length}\n"); 1237 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1238 "{N:/message%s with bad checksum}\n"); 1239 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1240 "{N:/message%s with bad length}\n"); 1241 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1242 "{N:/multicast echo requests ignored}\n"); 1243 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1244 "{N:/multicast timestamp requests ignored}\n"); 1245 1246 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1247 if (icmpstat.icps_inhist[i] != 0) { 1248 if (first) { 1249 xo_open_list("input-histogram"); 1250 xo_emit("\tInput histogram:\n"); 1251 first = 0; 1252 } 1253 xo_open_instance("input-histogram"); 1254 if (icmpnames[i] != NULL) 1255 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1256 icmpnames[i], 1257 icmpstat.icps_inhist[i]); 1258 else 1259 xo_emit( 1260 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1261 i, icmpstat.icps_inhist[i]); 1262 xo_close_instance("input-histogram"); 1263 } 1264 } 1265 if (!first) 1266 xo_close_list("input-histogram"); 1267 1268 p(icps_reflect, "\t{:sent-packets/%lu} " 1269 "{N:/message response%s generated}\n"); 1270 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1271 "{N:/invalid return address%s}\n"); 1272 p(icps_noroute, "\t{:discard-no-route/%lu} " 1273 "{N:/no return route%s}\n"); 1274 #undef p 1275 #undef p1a 1276 #undef p2 1277 if (live) { 1278 len = sizeof i; 1279 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1280 0) 1281 return; 1282 xo_emit("\tICMP address mask responses are " 1283 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1284 } 1285 1286 xo_close_container(name); 1287 } 1288 1289 /* 1290 * Dump IGMP statistics structure. 1291 */ 1292 void 1293 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1294 { 1295 struct igmpstat igmpstat; 1296 int error, zflag0; 1297 1298 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1299 sizeof(igmpstat), kread) != 0) 1300 return; 1301 /* 1302 * Reread net.inet.igmp.stats when zflag == 1. 1303 * This is because this MIB contains version number and 1304 * length of the structure which are not set when clearing 1305 * the counters. 1306 */ 1307 zflag0 = zflag; 1308 if (zflag) { 1309 zflag = 0; 1310 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1311 sizeof(igmpstat), kread); 1312 zflag = zflag0; 1313 if (error) 1314 return; 1315 } 1316 1317 if (igmpstat.igps_version != IGPS_VERSION_3) { 1318 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1319 igmpstat.igps_version, IGPS_VERSION_3); 1320 return; 1321 } 1322 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1323 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1324 igmpstat.igps_len, IGPS_VERSION3_LEN); 1325 return; 1326 } 1327 1328 xo_open_container(name); 1329 xo_emit("{T:/%s}:\n", name); 1330 1331 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1332 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1333 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1334 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1335 1336 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1337 "{N:/message%s received}\n"); 1338 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1339 "{N:/message%s received with too few bytes}\n"); 1340 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1341 "{N:/message%s received with wrong TTL}\n"); 1342 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1343 "{N:/message%s received with bad checksum}\n"); 1344 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1345 "{N:/V1\\/V2 membership quer%s received}\n"); 1346 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1347 "{N:/V3 membership quer%s received}\n"); 1348 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1349 "{N:/membership quer%s received with invalid field(s)}\n"); 1350 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1351 "{N:/general quer%s received}\n"); 1352 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1353 "{N:/group quer%s received}\n"); 1354 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1355 "{N:/group-source quer%s received}\n"); 1356 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1357 "{N:/group-source quer%s dropped}\n"); 1358 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1359 "{N:/membership report%s received}\n"); 1360 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1361 "{N:/membership report%s received with invalid field(s)}\n"); 1362 p64(igps_rcv_ourreports, "\t" 1363 "{:received-membership-reports-matching/%ju} " 1364 "{N:/membership report%s received for groups to which we belong}" 1365 "\n"); 1366 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1367 "{N:/V3 report%s received without Router Alert}\n"); 1368 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1369 "{N:/membership report%s sent}\n"); 1370 #undef p64 1371 #undef py64 1372 xo_close_container(name); 1373 } 1374 1375 /* 1376 * Dump PIM statistics structure. 1377 */ 1378 void 1379 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1380 int proto __unused) 1381 { 1382 struct pimstat pimstat; 1383 1384 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1385 sizeof(pimstat), kread_counters) != 0) 1386 return; 1387 1388 xo_open_container(name); 1389 xo_emit("{T:/%s}:\n", name); 1390 1391 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1392 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1393 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1394 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1395 1396 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1397 "{N:/message%s received}\n"); 1398 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1399 "{N:/byte%s received}\n"); 1400 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1401 "{N:/message%s received with too few bytes}\n"); 1402 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1403 "{N:/message%s received with bad checksum}\n"); 1404 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1405 "{N:/message%s received with bad version}\n"); 1406 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1407 "{N:/data register message%s received}\n"); 1408 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1409 "{N:/data register byte%s received}\n"); 1410 p(pims_rcv_registers_wrongiif, "\t" 1411 "{:received-data-register-wrong-interface/%ju} " 1412 "{N:/data register message%s received on wrong iif}\n"); 1413 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1414 "{N:/bad register%s received}\n"); 1415 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1416 "{N:/data register message%s sent}\n"); 1417 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1418 "{N:/data register byte%s sent}\n"); 1419 #undef p 1420 #undef py 1421 xo_close_container(name); 1422 } 1423 1424 #ifdef INET 1425 /* 1426 * Pretty print an Internet address (net address + port). 1427 */ 1428 static void 1429 inetprint(const char *container, struct in_addr *in, int port, 1430 const char *proto, int num_port, const int af1) 1431 { 1432 struct servent *sp = 0; 1433 char line[80], *cp; 1434 int width; 1435 size_t alen, plen; 1436 1437 if (container) 1438 xo_open_container(container); 1439 1440 if (Wflag) 1441 snprintf(line, sizeof(line), "%s.", inetname(in)); 1442 else 1443 snprintf(line, sizeof(line), "%.*s.", 1444 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1445 alen = strlen(line); 1446 cp = line + alen; 1447 if (!num_port && port) 1448 sp = getservbyport((int)port, proto); 1449 if (sp || port == 0) 1450 snprintf(cp, sizeof(line) - alen, 1451 "%.15s ", sp ? sp->s_name : "*"); 1452 else 1453 snprintf(cp, sizeof(line) - alen, 1454 "%d ", ntohs((u_short)port)); 1455 width = (Aflag && !Wflag) ? 18 : 1456 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1457 if (Wflag) 1458 xo_emit("{d:target/%-*s} ", width, line); 1459 else 1460 xo_emit("{d:target/%-*.*s} ", width, width, line); 1461 1462 plen = strlen(cp) - 1; 1463 alen--; 1464 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1465 plen, cp); 1466 1467 if (container) 1468 xo_close_container(container); 1469 } 1470 1471 /* 1472 * Construct an Internet address representation. 1473 * If numeric_addr has been supplied, give 1474 * numeric value, otherwise try for symbolic name. 1475 */ 1476 char * 1477 inetname(struct in_addr *inp) 1478 { 1479 char *cp; 1480 static char line[MAXHOSTNAMELEN]; 1481 struct hostent *hp; 1482 struct netent *np; 1483 1484 cp = 0; 1485 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1486 int net = inet_netof(*inp); 1487 int lna = inet_lnaof(*inp); 1488 1489 if (lna == INADDR_ANY) { 1490 np = getnetbyaddr(net, AF_INET); 1491 if (np) 1492 cp = np->n_name; 1493 } 1494 if (cp == NULL) { 1495 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1496 if (hp) { 1497 cp = hp->h_name; 1498 trimdomain(cp, strlen(cp)); 1499 } 1500 } 1501 } 1502 if (inp->s_addr == INADDR_ANY) 1503 strcpy(line, "*"); 1504 else if (cp) { 1505 strlcpy(line, cp, sizeof(line)); 1506 } else { 1507 inp->s_addr = ntohl(inp->s_addr); 1508 #define C(x) ((u_int)((x) & 0xff)) 1509 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1510 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1511 C(inp->s_addr >> 8), C(inp->s_addr)); 1512 } 1513 return (line); 1514 } 1515 #endif 1516