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 #include <sys/param.h> 31 #include <sys/queue.h> 32 #include <sys/domain.h> 33 #include <sys/protosw.h> 34 #include <sys/socket.h> 35 #define _WANT_SOCKET 36 #include <sys/socketvar.h> 37 #include <sys/sysctl.h> 38 39 #include <net/route.h> 40 #include <net/if_arp.h> 41 #include <netinet/in.h> 42 #include <netinet/in_systm.h> 43 #include <netinet/ip.h> 44 #include <netinet/ip_carp.h> 45 #ifdef INET6 46 #include <netinet/ip6.h> 47 #endif /* INET6 */ 48 #include <netinet/in_pcb.h> 49 #include <netinet/ip_icmp.h> 50 #include <netinet/icmp_var.h> 51 #include <netinet/igmp_var.h> 52 #include <netinet/ip_divert.h> 53 #include <netinet/ip_var.h> 54 #include <netinet/pim_var.h> 55 #include <netinet/tcp.h> 56 #include <netinet/tcpip.h> 57 #include <netinet/tcp_seq.h> 58 #define TCPSTATES 59 #include <netinet/tcp_fsm.h> 60 #include <netinet/tcp_timer.h> 61 #include <netinet/tcp_var.h> 62 #include <netinet/udp.h> 63 #include <netinet/udp_var.h> 64 65 #include <arpa/inet.h> 66 #include <err.h> 67 #include <errno.h> 68 #include <libutil.h> 69 #include <netdb.h> 70 #include <stdint.h> 71 #include <stdio.h> 72 #include <stdlib.h> 73 #include <stdbool.h> 74 #include <string.h> 75 #include <unistd.h> 76 #include <libxo/xo.h> 77 #include "netstat.h" 78 #include "nl_defs.h" 79 80 #define max(a, b) (((a) > (b)) ? (a) : (b)) 81 82 #ifdef INET 83 static void inetprint(const char *, struct in_addr *, int, const char *, int, 84 const int); 85 #endif 86 #ifdef INET6 87 static int udp_done, tcp_done, sdp_done; 88 #endif /* INET6 */ 89 90 static int 91 pcblist_sysctl(int proto, const char *name, char **bufp) 92 { 93 const char *mibvar; 94 char *buf; 95 size_t len; 96 97 switch (proto) { 98 case IPPROTO_TCP: 99 mibvar = "net.inet.tcp.pcblist"; 100 break; 101 case IPPROTO_UDP: 102 mibvar = "net.inet.udp.pcblist"; 103 break; 104 default: 105 mibvar = "net.inet.raw.pcblist"; 106 break; 107 } 108 if (strncmp(name, "sdp", 3) == 0) 109 mibvar = "net.inet.sdp.pcblist"; 110 else if (strncmp(name, "divert", 6) == 0) 111 mibvar = "net.inet.divert.pcblist"; 112 len = 0; 113 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 114 if (errno != ENOENT) 115 xo_warn("sysctl: %s", mibvar); 116 return (0); 117 } 118 if ((buf = malloc(len)) == NULL) { 119 xo_warnx("malloc %lu bytes", (u_long)len); 120 return (0); 121 } 122 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 123 xo_warn("sysctl: %s", mibvar); 124 free(buf); 125 return (0); 126 } 127 *bufp = buf; 128 return (1); 129 } 130 131 /* 132 * Copied directly from uipc_socket2.c. We leave out some fields that are in 133 * nested structures that aren't used to avoid extra work. 134 */ 135 static void 136 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 137 { 138 xsb->sb_cc = sb->sb_ccc; 139 xsb->sb_hiwat = sb->sb_hiwat; 140 xsb->sb_mbcnt = sb->sb_mbcnt; 141 xsb->sb_mbmax = sb->sb_mbmax; 142 xsb->sb_lowat = sb->sb_lowat; 143 xsb->sb_flags = sb->sb_flags; 144 xsb->sb_timeo = sb->sb_timeo; 145 } 146 147 int 148 sotoxsocket(struct socket *so, struct xsocket *xso) 149 { 150 struct protosw proto; 151 struct domain domain; 152 153 bzero(xso, sizeof *xso); 154 xso->xso_len = sizeof *xso; 155 xso->xso_so = (uintptr_t)so; 156 xso->so_type = so->so_type; 157 xso->so_options = so->so_options; 158 xso->so_linger = so->so_linger; 159 xso->so_state = so->so_state; 160 xso->so_pcb = (uintptr_t)so->so_pcb; 161 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 162 return (-1); 163 xso->xso_protocol = proto.pr_protocol; 164 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 165 return (-1); 166 xso->xso_family = domain.dom_family; 167 xso->so_timeo = so->so_timeo; 168 xso->so_error = so->so_error; 169 if ((so->so_options & SO_ACCEPTCONN) != 0) { 170 xso->so_qlen = so->sol_qlen; 171 xso->so_incqlen = so->sol_incqlen; 172 xso->so_qlimit = so->sol_qlimit; 173 } else { 174 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 175 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 176 xso->so_oobmark = so->so_oobmark; 177 } 178 return (0); 179 } 180 181 /* 182 * Print a summary of connections related to an Internet 183 * protocol. For TCP, also give state of connection. 184 * Listening processes (aflag) are suppressed unless the 185 * -a (all) flag is specified. 186 */ 187 void 188 protopr(u_long off, const char *name, int af1, int proto) 189 { 190 static int first = 1; 191 int istcp; 192 char *buf; 193 const char *vchar; 194 struct xtcpcb *tp; 195 struct xinpcb *inp; 196 struct xinpgen *xig, *oxig; 197 struct xsocket *so; 198 int fnamelen, cnamelen; 199 200 istcp = 0; 201 switch (proto) { 202 case IPPROTO_TCP: 203 #ifdef INET6 204 if (strncmp(name, "sdp", 3) != 0) { 205 if (tcp_done != 0) 206 return; 207 else 208 tcp_done = 1; 209 } else { 210 if (sdp_done != 0) 211 return; 212 else 213 sdp_done = 1; 214 } 215 #endif 216 istcp = 1; 217 break; 218 case IPPROTO_UDP: 219 #ifdef INET6 220 if (udp_done != 0) 221 return; 222 else 223 udp_done = 1; 224 #endif 225 break; 226 } 227 228 if (!pcblist_sysctl(proto, name, &buf)) 229 return; 230 231 if (istcp && (cflag || Cflag)) { 232 fnamelen = strlen("Stack"); 233 cnamelen = strlen("CC"); 234 oxig = xig = (struct xinpgen *)buf; 235 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 236 xig->xig_len > sizeof(struct xinpgen); 237 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 238 tp = (struct xtcpcb *)xig; 239 inp = &tp->xt_inp; 240 if (inp->inp_gencnt > oxig->xig_gen) 241 continue; 242 so = &inp->xi_socket; 243 if (so->xso_protocol != proto) 244 continue; 245 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 246 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 247 } 248 } 249 250 oxig = xig = (struct xinpgen *)buf; 251 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 252 xig->xig_len > sizeof(struct xinpgen); 253 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 254 if (istcp) { 255 tp = (struct xtcpcb *)xig; 256 inp = &tp->xt_inp; 257 } else { 258 inp = (struct xinpcb *)xig; 259 } 260 so = &inp->xi_socket; 261 262 /* Ignore sockets for protocols other than the desired one. */ 263 if (proto != 0 && so->xso_protocol != proto) 264 continue; 265 266 /* Ignore PCBs which were freed during copyout. */ 267 if (inp->inp_gencnt > oxig->xig_gen) 268 continue; 269 270 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 271 #ifdef INET6 272 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 273 #endif /* INET6 */ 274 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 275 #ifdef INET6 276 && (inp->inp_vflag & INP_IPV6) == 0 277 #endif /* INET6 */ 278 )) 279 ) 280 continue; 281 if (!aflag && 282 ( 283 (istcp && tp->t_state == TCPS_LISTEN) 284 || (af1 == AF_INET && 285 inp->inp_laddr.s_addr == INADDR_ANY) 286 #ifdef INET6 287 || (af1 == AF_INET6 && 288 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 289 #endif /* INET6 */ 290 || (af1 == AF_UNSPEC && 291 (((inp->inp_vflag & INP_IPV4) != 0 && 292 inp->inp_laddr.s_addr == INADDR_ANY) 293 #ifdef INET6 294 || ((inp->inp_vflag & INP_IPV6) != 0 && 295 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 296 #endif 297 )) 298 )) 299 continue; 300 301 if (first) { 302 if (!Lflag) { 303 xo_emit("Active Internet connections"); 304 if (aflag) 305 xo_emit(" (including servers)"); 306 } else 307 xo_emit( 308 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 309 xo_emit("\n"); 310 if (Aflag) 311 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 312 "Tcpcb"); 313 if (Lflag) 314 xo_emit((Aflag && !Wflag) ? 315 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 316 ((!Wflag || af1 == AF_INET) ? 317 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 318 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 319 "Proto", "Listen", "Local Address"); 320 else if (Tflag) 321 xo_emit((Aflag && !Wflag) ? 322 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 323 ((!Wflag || af1 == AF_INET) ? 324 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 325 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 326 "Proto", "Rexmit", "OOORcv", "0-win", 327 "Local Address", "Foreign Address"); 328 else { 329 xo_emit((Aflag && !Wflag) ? 330 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 331 ((!Wflag || af1 == AF_INET) ? 332 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 333 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 334 "Proto", "Recv-Q", "Send-Q", 335 "Local Address", "Foreign Address"); 336 if (!xflag && !Rflag) 337 xo_emit(" {T:/%-11.11s}", "(state)"); 338 } 339 if (xflag) { 340 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 341 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 342 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 343 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 344 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 345 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 346 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 347 "rexmt", "persist", "keep", "2msl", 348 "delack", "rcvtime"); 349 } else if (Rflag) { 350 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 351 "flowid", "ftype"); 352 } 353 if (cflag) { 354 xo_emit(" {T:/%-*.*s}", 355 fnamelen, fnamelen, "Stack"); 356 } 357 if (Cflag) 358 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 359 " {T:/%10.10s} {T:/%5.5s}" 360 " {T:/%3.3s}", cnamelen, 361 cnamelen, "CC", 362 "cwin", 363 "ssthresh", 364 "MSS", 365 "ECN"); 366 if (Pflag) 367 xo_emit(" {T:/%s}", "Log ID"); 368 xo_emit("\n"); 369 first = 0; 370 } 371 if (Lflag && so->so_qlimit == 0) 372 continue; 373 xo_open_instance("socket"); 374 if (Aflag) 375 xo_emit("{q:address/%*lx} ", 2 * (int)sizeof(void *), 376 (u_long)so->so_pcb); 377 #ifdef INET6 378 if ((inp->inp_vflag & INP_IPV6) != 0) 379 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 380 "46" : "6"; 381 else 382 #endif 383 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 384 "4" : ""; 385 if (istcp && (tp->t_flags & TF_TOE) != 0) 386 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 387 else 388 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 389 if (Lflag) { 390 char buf1[33]; 391 392 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 393 so->so_incqlen, so->so_qlimit); 394 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 395 } else if (Tflag) { 396 if (istcp) 397 xo_emit("{:sent-retransmit-packets/%6u} " 398 "{:received-out-of-order-packets/%6u} " 399 "{:sent-zero-window/%6u} ", 400 tp->t_sndrexmitpack, tp->t_rcvoopack, 401 tp->t_sndzerowin); 402 else 403 xo_emit("{P:/%21s}", ""); 404 } else { 405 xo_emit("{:receive-bytes-waiting/%6u} " 406 "{:send-bytes-waiting/%6u} ", 407 so->so_rcv.sb_cc, so->so_snd.sb_cc); 408 } 409 if (numeric_port) { 410 #ifdef INET 411 if (inp->inp_vflag & INP_IPV4) { 412 inetprint("local", &inp->inp_laddr, 413 (int)inp->inp_lport, name, 1, af1); 414 if (!Lflag) 415 inetprint("remote", &inp->inp_faddr, 416 (int)inp->inp_fport, name, 1, af1); 417 } 418 #endif 419 #if defined(INET) && defined(INET6) 420 else 421 #endif 422 #ifdef INET6 423 if (inp->inp_vflag & INP_IPV6) { 424 inet6print("local", &inp->in6p_laddr, 425 (int)inp->inp_lport, name, 1); 426 if (!Lflag) 427 inet6print("remote", &inp->in6p_faddr, 428 (int)inp->inp_fport, name, 1); 429 } /* else nothing printed now */ 430 #endif /* INET6 */ 431 } else if (inp->inp_flags & INP_ANONPORT) { 432 #ifdef INET 433 if (inp->inp_vflag & INP_IPV4) { 434 inetprint("local", &inp->inp_laddr, 435 (int)inp->inp_lport, name, 1, af1); 436 if (!Lflag) 437 inetprint("remote", &inp->inp_faddr, 438 (int)inp->inp_fport, name, 0, af1); 439 } 440 #endif 441 #if defined(INET) && defined(INET6) 442 else 443 #endif 444 #ifdef INET6 445 if (inp->inp_vflag & INP_IPV6) { 446 inet6print("local", &inp->in6p_laddr, 447 (int)inp->inp_lport, name, 1); 448 if (!Lflag) 449 inet6print("remote", &inp->in6p_faddr, 450 (int)inp->inp_fport, name, 0); 451 } /* else nothing printed now */ 452 #endif /* INET6 */ 453 } else { 454 #ifdef INET 455 if (inp->inp_vflag & INP_IPV4) { 456 inetprint("local", &inp->inp_laddr, 457 (int)inp->inp_lport, name, 0, af1); 458 if (!Lflag) 459 inetprint("remote", &inp->inp_faddr, 460 (int)inp->inp_fport, name, 461 inp->inp_lport != inp->inp_fport, 462 af1); 463 } 464 #endif 465 #if defined(INET) && defined(INET6) 466 else 467 #endif 468 #ifdef INET6 469 if (inp->inp_vflag & INP_IPV6) { 470 inet6print("local", &inp->in6p_laddr, 471 (int)inp->inp_lport, name, 0); 472 if (!Lflag) 473 inet6print("remote", &inp->in6p_faddr, 474 (int)inp->inp_fport, name, 475 inp->inp_lport != inp->inp_fport); 476 } /* else nothing printed now */ 477 #endif /* INET6 */ 478 } 479 if (xflag) { 480 xo_emit("{:receive-high-water/%6u} " 481 "{:send-high-water/%6u} " 482 "{:receive-low-water/%6u} {:send-low-water/%6u} " 483 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 484 "{:receive-mbuf-bytes-max/%6u} " 485 "{:send-mbuf-bytes-max/%6u}", 486 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 487 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 488 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 489 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 490 if (istcp) 491 xo_emit(" {:retransmit-timer/%4d.%02d} " 492 "{:persist-timer/%4d.%02d} " 493 "{:keepalive-timer/%4d.%02d} " 494 "{:msl2-timer/%4d.%02d} " 495 "{:delay-ack-timer/%4d.%02d} " 496 "{:inactivity-timer/%4d.%02d}", 497 tp->tt_rexmt / 1000, 498 (tp->tt_rexmt % 1000) / 10, 499 tp->tt_persist / 1000, 500 (tp->tt_persist % 1000) / 10, 501 tp->tt_keep / 1000, 502 (tp->tt_keep % 1000) / 10, 503 tp->tt_2msl / 1000, 504 (tp->tt_2msl % 1000) / 10, 505 tp->tt_delack / 1000, 506 (tp->tt_delack % 1000) / 10, 507 tp->t_rcvtime / 1000, 508 (tp->t_rcvtime % 1000) / 10); 509 } 510 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 511 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 512 xo_emit("{:tcp-state/%-11d}", tp->t_state); 513 else { 514 xo_emit("{:tcp-state/%-11s}", 515 tcpstates[tp->t_state]); 516 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 517 /* Show T/TCP `hidden state' */ 518 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 519 xo_emit("{:need-syn-or-fin/*}"); 520 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 521 } 522 } 523 if (Rflag) { 524 /* XXX: is this right Alfred */ 525 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 526 inp->inp_flowid, 527 inp->inp_flowtype); 528 } 529 if (istcp) { 530 if (cflag) 531 xo_emit(" {:stack/%-*.*s}", 532 533 fnamelen, fnamelen, tp->xt_stack); 534 if (Cflag) 535 xo_emit(" {:cc/%-*.*s}" 536 " {:snd-cwnd/%10lu}" 537 " {:snd-ssthresh/%10lu}" 538 " {:t-maxseg/%5u} {:ecn/%3s}", 539 cnamelen, cnamelen, tp->xt_cc, 540 tp->t_snd_cwnd, tp->t_snd_ssthresh, 541 tp->t_maxseg, 542 (tp->t_state >= TCPS_ESTABLISHED ? 543 (tp->xt_ecn > 0 ? 544 (tp->xt_ecn == 1 ? 545 "ecn" : "ace") 546 : "off") 547 : "n/a")); 548 if (Pflag) 549 xo_emit(" {:log-id/%s}", 550 tp->xt_logid[0] == '\0' ? 551 "-" : tp->xt_logid); 552 } 553 xo_emit("\n"); 554 xo_close_instance("socket"); 555 } 556 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 557 if (oxig->xig_count > xig->xig_count) { 558 xo_emit("Some {d:lost/%s} sockets may have been " 559 "deleted.\n", name); 560 } else if (oxig->xig_count < xig->xig_count) { 561 xo_emit("Some {d:created/%s} sockets may have been " 562 "created.\n", name); 563 } else { 564 xo_emit("Some {d:changed/%s} sockets may have been " 565 "created or deleted.\n", name); 566 } 567 } 568 free(buf); 569 } 570 571 /* 572 * Dump TCP statistics structure. 573 */ 574 void 575 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 576 { 577 struct tcpstat tcpstat; 578 uint64_t tcps_states[TCP_NSTATES]; 579 580 #ifdef INET6 581 if (tcp_done != 0) 582 return; 583 else 584 tcp_done = 1; 585 #endif 586 587 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 588 sizeof(tcpstat), kread_counters) != 0) 589 return; 590 591 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 592 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 593 return; 594 595 xo_open_container("tcp"); 596 xo_emit("{T:/%s}:\n", name); 597 598 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 599 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 600 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 601 xo_emit(m, (uintmax_t )tcpstat.f) 602 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 603 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 604 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 605 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 606 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 607 (uintmax_t )tcpstat.f2) 608 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 609 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 610 611 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 612 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 613 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 614 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 615 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 616 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 617 "{N:retransmitted}\n"); 618 p(tcps_sndrexmitbad, "\t\t" 619 "{:sent-unnecessary-retransmitted-packets/%ju} " 620 "{N:/data packet%s unnecessarily retransmitted}\n"); 621 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 622 "{N:/resend%s initiated by MTU discovery}\n"); 623 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 624 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 625 "{N:delayed})\n"); 626 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 627 "{N:/URG only packet%s}\n"); 628 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 629 "{N:/window probe packet%s}\n"); 630 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 631 "{N:/window update packet%s}\n"); 632 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 633 "{N:/control packet%s}\n"); 634 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 635 "{N:/packet%s received}\n"); 636 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 637 "{:received-ack-packets/%ju} {N:/ack%s} " 638 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 639 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 640 "{N:/duplicate ack%s}\n"); 641 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 642 "{N:/UDP tunneled pkt%s}\n"); 643 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 644 "{N:/UDP tunneled pkt cnt with error%s}\n"); 645 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 646 "{N:/ack%s for unsent data}\n"); 647 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 648 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 649 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 650 "{N:received in-sequence}\n"); 651 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 652 "{:received-completely-duplicate-packets/%ju} " 653 "{N:/completely duplicate packet%s} " 654 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 655 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 656 "{N:/old duplicate packet%s}\n"); 657 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 658 "{:received-some-duplicate-packets/%ju} " 659 "{N:/packet%s with some dup. data} " 660 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 661 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 662 "{N:/out-of-order packet%s} " 663 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 664 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 665 "{:received-after-window-packets/%ju} {N:/packet%s} " 666 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 667 "{N:of data after window}\n"); 668 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 669 "{N:/window probe%s}\n"); 670 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 671 "{N:/window update packet%s}\n"); 672 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 673 "{N:/packet%s received with dsack}\n"); 674 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 675 "{N:/dsack byte%s received (no TLP involved)}\n"); 676 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 677 "{N:/dsack byte%s received (TLP responsible)}\n"); 678 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 679 "{N:/packet%s received after close}\n"); 680 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 681 "{N:/discarded for bad checksum%s}\n"); 682 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 683 "{N:/discarded for bad header offset field%s}\n"); 684 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 685 "{N:discarded because packet too short}\n"); 686 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 687 "{N:discarded due to full reassembly queue}\n"); 688 p(tcps_connattempt, "\t{:connection-requests/%ju} " 689 "{N:/connection request%s}\n"); 690 p(tcps_accepts, "\t{:connections-accepts/%ju} " 691 "{N:/connection accept%s}\n"); 692 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 693 "{N:/bad connection attempt%s}\n"); 694 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 695 "{N:/listen queue overflow%s}\n"); 696 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 697 "{N:/ignored RSTs in the window%s}\n"); 698 p(tcps_connects, "\t{:connections-established/%ju} " 699 "{N:/connection%s established (including accepts)}\n"); 700 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 701 "{N:/time%s used RTT from hostcache}\n"); 702 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 703 "{N:/time%s used RTT variance from hostcache}\n"); 704 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 705 "{N:/time%s used slow-start threshold from hostcache}\n"); 706 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 707 "{N:/connection%s closed (including} " 708 "{:connection-drops/%ju} {N:/drop%s})\n"); 709 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 710 "{N:/connection%s updated cached RTT on close}\n"); 711 p(tcps_cachedrttvar, "\t\t" 712 "{:connections-updated-variance-on-close/%ju} " 713 "{N:/connection%s updated cached RTT variance on close}\n"); 714 p(tcps_cachedssthresh, "\t\t" 715 "{:connections-updated-ssthresh-on-close/%ju} " 716 "{N:/connection%s updated cached ssthresh on close}\n"); 717 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 718 "{N:/embryonic connection%s dropped}\n"); 719 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 720 "{N:/segment%s updated rtt (of} " 721 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 722 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 723 "{N:/retransmit timeout%s}\n"); 724 p(tcps_timeoutdrop, "\t\t" 725 "{:connections-dropped-by-retransmit-timeout/%ju} " 726 "{N:/connection%s dropped by rexmit timeout}\n"); 727 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 728 "{N:/persist timeout%s}\n"); 729 p(tcps_persistdrop, "\t\t" 730 "{:connections-dropped-by-persist-timeout/%ju} " 731 "{N:/connection%s dropped by persist timeout}\n"); 732 p(tcps_finwait2_drops, "\t" 733 "{:connections-dropped-by-finwait2-timeout/%ju} " 734 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 735 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 736 "{N:/keepalive timeout%s}\n"); 737 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 738 "{N:/keepalive probe%s sent}\n"); 739 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 740 "{N:/connection%s dropped by keepalive}\n"); 741 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 742 "{N:/connection%s dropped due to exceeding progress time}\n"); 743 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 744 "{N:/correct ACK header prediction%s}\n"); 745 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 746 "{N:/correct data packet header prediction%s}\n"); 747 748 xo_open_container("syncache"); 749 750 p3(tcps_sc_added, "\t{:entries-added/%ju} " 751 "{N:/syncache entr%s added}\n"); 752 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 753 "{N:/retransmitted}\n"); 754 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 755 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 756 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 757 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 758 "{N:/bucket overflow}\n"); 759 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 760 "{N:/cache overflow}\n"); 761 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 762 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 763 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 764 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 765 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 766 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 767 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 768 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 769 "{N:/cookie%s received}\n"); 770 771 xo_close_container("syncache"); 772 773 xo_open_container("hostcache"); 774 775 p3(tcps_hc_added, "\t{:entries-added/%ju} " 776 "{N:/hostcache entr%s added}\n"); 777 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 778 "{N:/bucket overflow}\n"); 779 780 xo_close_container("hostcache"); 781 782 xo_open_container("sack"); 783 784 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 785 "{N:/SACK recovery episode%s}\n"); 786 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 787 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 788 p(tcps_sack_rexmits_tso, "\t{:tso-chunk-retransmits/%ju} " 789 "{N:/tso chunk rexmit%s in SACK recovery episodes}\n"); 790 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 791 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 792 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 793 "{N:/SACK option%s (SACK blocks) received}\n"); 794 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 795 "{N:/SACK option%s (SACK blocks) sent}\n"); 796 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 797 "{N:/SACK retransmission%s lost}\n"); 798 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 799 "{N:/SACK scoreboard overflow}\n"); 800 801 xo_close_container("sack"); 802 xo_open_container("ecn"); 803 804 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 805 "{N:/packet%s received with ECN CE bit set}\n"); 806 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 807 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 808 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 809 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 810 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 811 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 812 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 813 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 814 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 815 "{N:/successful ECN handshake%s}\n"); 816 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 817 "{N:/time%s ECN reduced the congestion window}\n"); 818 819 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 820 "{N:/ACE SYN packet%s with Non-ECT}\n"); 821 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 822 "{N:/ACE SYN packet%s with ECT0}\n"); 823 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 824 "{N:/ACE SYN packet%s with ECT1}\n"); 825 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 826 "{N:/ACE SYN packet%s with CE}\n"); 827 828 xo_close_container("ecn"); 829 xo_open_container("tcp-signature"); 830 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 831 "{N:/packet%s with matching signature received}\n"); 832 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 833 "{N:/packet%s with bad signature received}\n"); 834 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 835 "{N:/time%s failed to make signature due to no SA}\n"); 836 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 837 "{N:/time%s unexpected signature received}\n"); 838 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 839 "{N:/time%s no signature provided by segment}\n"); 840 841 xo_close_container("tcp-signature"); 842 xo_open_container("pmtud"); 843 844 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 845 "{N:/Path MTU discovery black hole detection activation%s}\n"); 846 p(tcps_pmtud_blackhole_activated_min_mss, 847 "\t{:pmtud-activated-min-mss/%ju} " 848 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 849 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 850 "{N:/Path MTU discovery black hole detection failure%s}\n"); 851 852 xo_close_container("pmtud"); 853 xo_open_container("tw"); 854 855 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 856 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 857 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 858 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 859 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 860 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 861 862 xo_close_container("tw"); 863 #undef p 864 #undef p1a 865 #undef p2 866 #undef p2a 867 #undef p3 868 869 xo_open_container("TCP connection count by state"); 870 xo_emit("{T:/TCP connection count by state}:\n"); 871 for (int i = 0; i < TCP_NSTATES; i++) { 872 /* 873 * XXXGL: is there a way in libxo to use %s 874 * in the "content string" of a format 875 * string? I failed to do that, that's why 876 * a temporary buffer is used to construct 877 * format string for xo_emit(). 878 */ 879 char fmtbuf[80]; 880 881 if (sflag > 1 && tcps_states[i] == 0) 882 continue; 883 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 884 "{Np:/connection ,connections} in %s state\n", 885 tcpstates[i], tcpstates[i]); 886 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 887 } 888 xo_close_container("TCP connection count by state"); 889 890 xo_close_container("tcp"); 891 } 892 893 /* 894 * Dump UDP statistics structure. 895 */ 896 void 897 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 898 { 899 struct udpstat udpstat; 900 uint64_t delivered; 901 902 #ifdef INET6 903 if (udp_done != 0) 904 return; 905 else 906 udp_done = 1; 907 #endif 908 909 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 910 sizeof(udpstat), kread_counters) != 0) 911 return; 912 913 xo_open_container("udp"); 914 xo_emit("{T:/%s}:\n", name); 915 916 #define p(f, m) if (udpstat.f || sflag <= 1) \ 917 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 918 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 919 xo_emit("\t" m, (uintmax_t)udpstat.f) 920 921 p(udps_ipackets, "{:received-datagrams/%ju} " 922 "{N:/datagram%s received}\n"); 923 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 924 "{N:/with incomplete header}\n"); 925 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 926 "{N:/with bad data length field}\n"); 927 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 928 "{N:/with bad checksum}\n"); 929 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 930 "{N:/with no checksum}\n"); 931 p1a(udps_noport, "{:dropped-no-socket/%ju} " 932 "{N:/dropped due to no socket}\n"); 933 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 934 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 935 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 936 "{N:/dropped due to full socket buffers}\n"); 937 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 938 "{N:/not for hashed pcb}\n"); 939 delivered = udpstat.udps_ipackets - 940 udpstat.udps_hdrops - 941 udpstat.udps_badlen - 942 udpstat.udps_badsum - 943 udpstat.udps_noport - 944 udpstat.udps_noportbcast - 945 udpstat.udps_fullsock; 946 if (delivered || sflag <= 1) 947 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 948 (uint64_t)delivered); 949 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 950 /* the next statistic is cumulative in udps_noportbcast */ 951 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 952 "{N:/time%s multicast source filter matched}\n"); 953 #undef p 954 #undef p1a 955 xo_close_container("udp"); 956 } 957 958 /* 959 * Dump CARP statistics structure. 960 */ 961 void 962 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 963 { 964 struct carpstats carpstat; 965 966 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 967 sizeof(carpstat), kread_counters) != 0) 968 return; 969 970 xo_open_container(name); 971 xo_emit("{T:/%s}:\n", name); 972 973 #define p(f, m) if (carpstat.f || sflag <= 1) \ 974 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 975 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 976 xo_emit(m, (uintmax_t)carpstat.f) 977 978 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 979 "{N:/packet%s received (IPv4)}\n"); 980 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 981 "{N:/packet%s received (IPv6)}\n"); 982 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 983 "{N:/packet%s discarded for wrong TTL}\n"); 984 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 985 "{N:/packet%s shorter than header}\n"); 986 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 987 "{N:/discarded for bad checksum%s}\n"); 988 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 989 "{N:/discarded packet%s with a bad version}\n"); 990 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 991 "{N:/discarded because packet too short}\n"); 992 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 993 "{N:/discarded for bad authentication}\n"); 994 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 995 "{N:/discarded for bad vhid}\n"); 996 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 997 "{N:/discarded because of a bad address list}\n"); 998 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 999 "{N:/packet%s sent (IPv4)}\n"); 1000 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1001 "{N:/packet%s sent (IPv6)}\n"); 1002 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1003 "{N:/send failed due to mbuf memory error}\n"); 1004 #if notyet 1005 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1006 "{N:/state update%s sent}\n"); 1007 #endif 1008 #undef p 1009 #undef p2 1010 xo_close_container(name); 1011 } 1012 1013 /* 1014 * Dump IP statistics structure. 1015 */ 1016 void 1017 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1018 { 1019 struct ipstat ipstat; 1020 1021 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1022 sizeof(ipstat), kread_counters) != 0) 1023 return; 1024 1025 xo_open_container(name); 1026 xo_emit("{T:/%s}:\n", name); 1027 1028 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1029 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1030 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1031 xo_emit(m, (uintmax_t )ipstat.f) 1032 1033 p(ips_total, "\t{:received-packets/%ju} " 1034 "{N:/total packet%s received}\n"); 1035 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1036 "{N:/bad header checksum%s}\n"); 1037 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1038 "{N:/with size smaller than minimum}\n"); 1039 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1040 "{N:/with data size < data length}\n"); 1041 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1042 "{N:/with ip length > max ip packet size}\n"); 1043 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1044 "{N:/with header length < data size}\n"); 1045 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1046 "{N:/with data length < header length}\n"); 1047 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1048 "{N:/with bad options}\n"); 1049 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1050 "{N:/with incorrect version number}\n"); 1051 p(ips_fragments, "\t{:received-fragments/%ju} " 1052 "{N:/fragment%s received}\n"); 1053 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1054 "{N:/fragment%s dropped (dup or out of space)}\n"); 1055 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1056 "{N:/fragment%s dropped after timeout}\n"); 1057 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1058 "{N:/packet%s reassembled ok}\n"); 1059 p(ips_delivered, "\t{:received-local-packets/%ju} " 1060 "{N:/packet%s for this host}\n"); 1061 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1062 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1063 p(ips_forward, "\t{:forwarded-packets/%ju} " 1064 "{N:/packet%s forwarded}"); 1065 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1066 "{N:/packet%s fast forwarded})"); 1067 if (ipstat.ips_forward || sflag <= 1) 1068 xo_emit("\n"); 1069 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1070 "{N:/packet%s not forwardable}\n"); 1071 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1072 "{N:/packet%s received for unknown multicast group}\n"); 1073 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1074 "{N:/redirect%s sent}\n"); 1075 p(ips_localout, "\t{:sent-packets/%ju} " 1076 "{N:/packet%s sent from this host}\n"); 1077 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1078 "{N:/packet%s sent with fabricated ip header}\n"); 1079 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1080 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1081 p(ips_noroute, "\t{:discard-no-route/%ju} " 1082 "{N:/output packet%s discarded due to no route}\n"); 1083 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1084 "{N:/output datagram%s fragmented}\n"); 1085 p(ips_ofragments, "\t{:fragments-created/%ju} " 1086 "{N:/fragment%s created}\n"); 1087 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1088 "{N:/datagram%s that can't be fragmented}\n"); 1089 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1090 "{N:/tunneling packet%s that can't find gif}\n"); 1091 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1092 "{N:/datagram%s with bad address in header}\n"); 1093 #undef p 1094 #undef p1a 1095 xo_close_container(name); 1096 } 1097 1098 /* 1099 * Dump ARP statistics structure. 1100 */ 1101 void 1102 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1103 { 1104 struct arpstat arpstat; 1105 1106 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1107 sizeof(arpstat), kread_counters) != 0) 1108 return; 1109 1110 xo_open_container(name); 1111 xo_emit("{T:/%s}:\n", name); 1112 1113 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1114 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1115 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1116 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1117 1118 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1119 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1120 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1121 p(rxrequests, "{:received-requests/%ju} " 1122 "{N:/ARP request%s received}\n"); 1123 p2(rxreplies, "{:received-replies/%ju} " 1124 "{N:/ARP repl%s received}\n"); 1125 p(received, "{:received-packets/%ju} " 1126 "{N:/ARP packet%s received}\n"); 1127 p(dropped, "{:dropped-no-entry/%ju} " 1128 "{N:/total packet%s dropped due to no ARP entry}\n"); 1129 p(timeouts, "{:entries-timeout/%ju} " 1130 "{N:/ARP entry%s timed out}\n"); 1131 p(dupips, "{:dropped-duplicate-address/%ju} " 1132 "{N:/Duplicate IP%s seen}\n"); 1133 #undef p 1134 #undef p2 1135 xo_close_container(name); 1136 } 1137 1138 1139 1140 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1141 "echo reply", /* RFC 792 */ 1142 "#1", 1143 "#2", 1144 "destination unreachable", /* RFC 792 */ 1145 "source quench", /* RFC 792 */ 1146 "routing redirect", /* RFC 792 */ 1147 "#6", 1148 "#7", 1149 "echo", /* RFC 792 */ 1150 "router advertisement", /* RFC 1256 */ 1151 "router solicitation", /* RFC 1256 */ 1152 "time exceeded", /* RFC 792 */ 1153 "parameter problem", /* RFC 792 */ 1154 "time stamp", /* RFC 792 */ 1155 "time stamp reply", /* RFC 792 */ 1156 "information request", /* RFC 792 */ 1157 "information request reply", /* RFC 792 */ 1158 "address mask request", /* RFC 950 */ 1159 "address mask reply", /* RFC 950 */ 1160 "#19", 1161 "#20", 1162 "#21", 1163 "#22", 1164 "#23", 1165 "#24", 1166 "#25", 1167 "#26", 1168 "#27", 1169 "#28", 1170 "#29", 1171 "icmp traceroute", /* RFC 1393 */ 1172 "datagram conversion error", /* RFC 1475 */ 1173 "mobile host redirect", 1174 "IPv6 where-are-you", 1175 "IPv6 i-am-here", 1176 "mobile registration req", 1177 "mobile registration reply", 1178 "domain name request", /* RFC 1788 */ 1179 "domain name reply", /* RFC 1788 */ 1180 "icmp SKIP", 1181 "icmp photuris", /* RFC 2521 */ 1182 }; 1183 1184 /* 1185 * Dump ICMP statistics. 1186 */ 1187 void 1188 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1189 { 1190 struct icmpstat icmpstat; 1191 size_t len; 1192 int i, first; 1193 1194 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1195 sizeof(icmpstat), kread_counters) != 0) 1196 return; 1197 1198 xo_open_container(name); 1199 xo_emit("{T:/%s}:\n", name); 1200 1201 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1202 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1203 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1204 xo_emit(m, icmpstat.f) 1205 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1206 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1207 1208 p(icps_error, "\t{:icmp-calls/%lu} " 1209 "{N:/call%s to icmp_error}\n"); 1210 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1211 "{N:/error%s not generated in response to an icmp message}\n"); 1212 1213 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1214 if (icmpstat.icps_outhist[i] != 0) { 1215 if (first) { 1216 xo_open_list("output-histogram"); 1217 xo_emit("\tOutput histogram:\n"); 1218 first = 0; 1219 } 1220 xo_open_instance("output-histogram"); 1221 if (icmpnames[i] != NULL) 1222 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1223 icmpnames[i], icmpstat.icps_outhist[i]); 1224 else 1225 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1226 "{:count/%lu}\n", 1227 i, icmpstat.icps_outhist[i]); 1228 xo_close_instance("output-histogram"); 1229 } 1230 } 1231 if (!first) 1232 xo_close_list("output-histogram"); 1233 1234 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1235 "{N:/message%s with bad code fields}\n"); 1236 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1237 "{N:/message%s less than the minimum length}\n"); 1238 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1239 "{N:/message%s with bad checksum}\n"); 1240 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1241 "{N:/message%s with bad length}\n"); 1242 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1243 "{N:/multicast echo requests ignored}\n"); 1244 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1245 "{N:/multicast timestamp requests ignored}\n"); 1246 1247 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1248 if (icmpstat.icps_inhist[i] != 0) { 1249 if (first) { 1250 xo_open_list("input-histogram"); 1251 xo_emit("\tInput histogram:\n"); 1252 first = 0; 1253 } 1254 xo_open_instance("input-histogram"); 1255 if (icmpnames[i] != NULL) 1256 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1257 icmpnames[i], 1258 icmpstat.icps_inhist[i]); 1259 else 1260 xo_emit( 1261 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1262 i, icmpstat.icps_inhist[i]); 1263 xo_close_instance("input-histogram"); 1264 } 1265 } 1266 if (!first) 1267 xo_close_list("input-histogram"); 1268 1269 p(icps_reflect, "\t{:sent-packets/%lu} " 1270 "{N:/message response%s generated}\n"); 1271 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1272 "{N:/invalid return address%s}\n"); 1273 p(icps_noroute, "\t{:discard-no-route/%lu} " 1274 "{N:/no return route%s}\n"); 1275 #undef p 1276 #undef p1a 1277 #undef p2 1278 if (live) { 1279 len = sizeof i; 1280 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1281 0) 1282 return; 1283 xo_emit("\tICMP address mask responses are " 1284 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1285 } 1286 1287 xo_close_container(name); 1288 } 1289 1290 /* 1291 * Dump IGMP statistics structure. 1292 */ 1293 void 1294 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1295 { 1296 struct igmpstat igmpstat; 1297 int error, zflag0; 1298 1299 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1300 sizeof(igmpstat), kread) != 0) 1301 return; 1302 /* 1303 * Reread net.inet.igmp.stats when zflag == 1. 1304 * This is because this MIB contains version number and 1305 * length of the structure which are not set when clearing 1306 * the counters. 1307 */ 1308 zflag0 = zflag; 1309 if (zflag) { 1310 zflag = 0; 1311 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1312 sizeof(igmpstat), kread); 1313 zflag = zflag0; 1314 if (error) 1315 return; 1316 } 1317 1318 if (igmpstat.igps_version != IGPS_VERSION_3) { 1319 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1320 igmpstat.igps_version, IGPS_VERSION_3); 1321 return; 1322 } 1323 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1324 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1325 igmpstat.igps_len, IGPS_VERSION3_LEN); 1326 return; 1327 } 1328 1329 xo_open_container(name); 1330 xo_emit("{T:/%s}:\n", name); 1331 1332 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1333 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1334 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1335 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1336 1337 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1338 "{N:/message%s received}\n"); 1339 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1340 "{N:/message%s received with too few bytes}\n"); 1341 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1342 "{N:/message%s received with wrong TTL}\n"); 1343 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1344 "{N:/message%s received with bad checksum}\n"); 1345 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1346 "{N:/V1\\/V2 membership quer%s received}\n"); 1347 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1348 "{N:/V3 membership quer%s received}\n"); 1349 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1350 "{N:/membership quer%s received with invalid field(s)}\n"); 1351 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1352 "{N:/general quer%s received}\n"); 1353 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1354 "{N:/group quer%s received}\n"); 1355 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1356 "{N:/group-source quer%s received}\n"); 1357 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1358 "{N:/group-source quer%s dropped}\n"); 1359 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1360 "{N:/membership report%s received}\n"); 1361 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1362 "{N:/membership report%s received with invalid field(s)}\n"); 1363 p64(igps_rcv_ourreports, "\t" 1364 "{:received-membership-reports-matching/%ju} " 1365 "{N:/membership report%s received for groups to which we belong}" 1366 "\n"); 1367 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1368 "{N:/V3 report%s received without Router Alert}\n"); 1369 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1370 "{N:/membership report%s sent}\n"); 1371 #undef p64 1372 #undef py64 1373 xo_close_container(name); 1374 } 1375 1376 /* 1377 * Dump PIM statistics structure. 1378 */ 1379 void 1380 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1381 int proto __unused) 1382 { 1383 struct pimstat pimstat; 1384 1385 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1386 sizeof(pimstat), kread_counters) != 0) 1387 return; 1388 1389 xo_open_container(name); 1390 xo_emit("{T:/%s}:\n", name); 1391 1392 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1393 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1394 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1395 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1396 1397 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1398 "{N:/message%s received}\n"); 1399 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1400 "{N:/byte%s received}\n"); 1401 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1402 "{N:/message%s received with too few bytes}\n"); 1403 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1404 "{N:/message%s received with bad checksum}\n"); 1405 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1406 "{N:/message%s received with bad version}\n"); 1407 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1408 "{N:/data register message%s received}\n"); 1409 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1410 "{N:/data register byte%s received}\n"); 1411 p(pims_rcv_registers_wrongiif, "\t" 1412 "{:received-data-register-wrong-interface/%ju} " 1413 "{N:/data register message%s received on wrong iif}\n"); 1414 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1415 "{N:/bad register%s received}\n"); 1416 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1417 "{N:/data register message%s sent}\n"); 1418 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1419 "{N:/data register byte%s sent}\n"); 1420 #undef p 1421 #undef py 1422 xo_close_container(name); 1423 } 1424 1425 /* 1426 * Dump divert(4) statistics structure. 1427 */ 1428 void 1429 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1430 { 1431 struct divstat divstat; 1432 1433 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1434 sizeof(divstat), kread_counters) != 0) 1435 return; 1436 1437 xo_open_container(name); 1438 xo_emit("{T:/%s}:\n", name); 1439 1440 #define p(f, m) if (divstat.f || sflag <= 1) \ 1441 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1442 1443 p(div_diverted, "\t{:diverted-packets/%ju} " 1444 "{N:/packet%s successfully diverted to userland}\n"); 1445 p(div_noport, "\t{:noport-fails/%ju} " 1446 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1447 p(div_outbound, "\t{:outbound-packets/%ju} " 1448 "{N:/packet%s successfully re-injected as outbound}\n"); 1449 p(div_inbound, "\t{:inbound-packets/%ju} " 1450 "{N:/packet%s successfully re-injected as inbound}\n"); 1451 #undef p 1452 xo_close_container(name); 1453 } 1454 1455 #ifdef INET 1456 /* 1457 * Pretty print an Internet address (net address + port). 1458 */ 1459 static void 1460 inetprint(const char *container, struct in_addr *in, int port, 1461 const char *proto, int num_port, const int af1) 1462 { 1463 struct servent *sp = 0; 1464 char line[80], *cp; 1465 int width; 1466 size_t alen, plen; 1467 1468 if (container) 1469 xo_open_container(container); 1470 1471 if (Wflag) 1472 snprintf(line, sizeof(line), "%s.", inetname(in)); 1473 else 1474 snprintf(line, sizeof(line), "%.*s.", 1475 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1476 alen = strlen(line); 1477 cp = line + alen; 1478 if (!num_port && port) 1479 sp = getservbyport((int)port, proto); 1480 if (sp || port == 0) 1481 snprintf(cp, sizeof(line) - alen, 1482 "%.15s ", sp ? sp->s_name : "*"); 1483 else 1484 snprintf(cp, sizeof(line) - alen, 1485 "%d ", ntohs((u_short)port)); 1486 width = (Aflag && !Wflag) ? 18 : 1487 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1488 if (Wflag) 1489 xo_emit("{d:target/%-*s} ", width, line); 1490 else 1491 xo_emit("{d:target/%-*.*s} ", width, width, line); 1492 1493 plen = strlen(cp) - 1; 1494 alen--; 1495 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1496 plen, cp); 1497 1498 if (container) 1499 xo_close_container(container); 1500 } 1501 1502 /* 1503 * Construct an Internet address representation. 1504 * If numeric_addr has been supplied, give 1505 * numeric value, otherwise try for symbolic name. 1506 */ 1507 char * 1508 inetname(struct in_addr *inp) 1509 { 1510 char *cp; 1511 static char line[MAXHOSTNAMELEN]; 1512 struct hostent *hp; 1513 1514 cp = 0; 1515 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1516 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1517 if (hp) { 1518 cp = hp->h_name; 1519 trimdomain(cp, strlen(cp)); 1520 } 1521 } 1522 if (inp->s_addr == INADDR_ANY) 1523 strcpy(line, "*"); 1524 else if (cp) { 1525 strlcpy(line, cp, sizeof(line)); 1526 } else { 1527 inp->s_addr = ntohl(inp->s_addr); 1528 #define C(x) ((u_int)((x) & 0xff)) 1529 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1530 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1531 C(inp->s_addr >> 8), C(inp->s_addr)); 1532 } 1533 return (line); 1534 } 1535 #endif 1536