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