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