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 #endif 32 33 #include <sys/cdefs.h> 34 #include <sys/param.h> 35 #include <sys/queue.h> 36 #include <sys/domain.h> 37 #include <sys/protosw.h> 38 #include <sys/socket.h> 39 #define _WANT_SOCKET 40 #include <sys/socketvar.h> 41 #include <sys/sysctl.h> 42 43 #include <net/route.h> 44 #include <net/if_arp.h> 45 #include <netinet/in.h> 46 #include <netinet/in_systm.h> 47 #include <netinet/ip.h> 48 #include <netinet/ip_carp.h> 49 #ifdef INET6 50 #include <netinet/ip6.h> 51 #endif /* INET6 */ 52 #include <netinet/in_pcb.h> 53 #include <netinet/ip_icmp.h> 54 #include <netinet/icmp_var.h> 55 #include <netinet/igmp_var.h> 56 #include <netinet/ip_divert.h> 57 #include <netinet/ip_var.h> 58 #include <netinet/pim_var.h> 59 #include <netinet/tcp.h> 60 #include <netinet/tcpip.h> 61 #include <netinet/tcp_seq.h> 62 #define TCPSTATES 63 #include <netinet/tcp_fsm.h> 64 #include <netinet/tcp_timer.h> 65 #include <netinet/tcp_var.h> 66 #include <netinet/udp.h> 67 #include <netinet/udp_var.h> 68 69 #include <arpa/inet.h> 70 #include <err.h> 71 #include <errno.h> 72 #include <libutil.h> 73 #include <netdb.h> 74 #include <stdint.h> 75 #include <stdio.h> 76 #include <stdlib.h> 77 #include <stdbool.h> 78 #include <string.h> 79 #include <unistd.h> 80 #include <libxo/xo.h> 81 #include "netstat.h" 82 #include "nl_defs.h" 83 84 #define max(a, b) (((a) > (b)) ? (a) : (b)) 85 86 #ifdef INET 87 static void inetprint(const char *, struct in_addr *, int, const char *, int, 88 const int); 89 #endif 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 default: 109 mibvar = "net.inet.raw.pcblist"; 110 break; 111 } 112 if (strncmp(name, "sdp", 3) == 0) 113 mibvar = "net.inet.sdp.pcblist"; 114 else if (strncmp(name, "divert", 6) == 0) 115 mibvar = "net.inet.divert.pcblist"; 116 len = 0; 117 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 118 if (errno != ENOENT) 119 xo_warn("sysctl: %s", mibvar); 120 return (0); 121 } 122 if ((buf = malloc(len)) == NULL) { 123 xo_warnx("malloc %lu bytes", (u_long)len); 124 return (0); 125 } 126 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 127 xo_warn("sysctl: %s", mibvar); 128 free(buf); 129 return (0); 130 } 131 *bufp = buf; 132 return (1); 133 } 134 135 /* 136 * Copied directly from uipc_socket2.c. We leave out some fields that are in 137 * nested structures that aren't used to avoid extra work. 138 */ 139 static void 140 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 141 { 142 xsb->sb_cc = sb->sb_ccc; 143 xsb->sb_hiwat = sb->sb_hiwat; 144 xsb->sb_mbcnt = sb->sb_mbcnt; 145 xsb->sb_mbmax = sb->sb_mbmax; 146 xsb->sb_lowat = sb->sb_lowat; 147 xsb->sb_flags = sb->sb_flags; 148 xsb->sb_timeo = sb->sb_timeo; 149 } 150 151 int 152 sotoxsocket(struct socket *so, struct xsocket *xso) 153 { 154 struct protosw proto; 155 struct domain domain; 156 157 bzero(xso, sizeof *xso); 158 xso->xso_len = sizeof *xso; 159 xso->xso_so = (uintptr_t)so; 160 xso->so_type = so->so_type; 161 xso->so_options = so->so_options; 162 xso->so_linger = so->so_linger; 163 xso->so_state = so->so_state; 164 xso->so_pcb = (uintptr_t)so->so_pcb; 165 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 166 return (-1); 167 xso->xso_protocol = proto.pr_protocol; 168 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 169 return (-1); 170 xso->xso_family = domain.dom_family; 171 xso->so_timeo = so->so_timeo; 172 xso->so_error = so->so_error; 173 if ((so->so_options & SO_ACCEPTCONN) != 0) { 174 xso->so_qlen = so->sol_qlen; 175 xso->so_incqlen = so->sol_incqlen; 176 xso->so_qlimit = so->sol_qlimit; 177 } else { 178 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 179 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 180 xso->so_oobmark = so->so_oobmark; 181 } 182 return (0); 183 } 184 185 /* 186 * Print a summary of connections related to an Internet 187 * protocol. For TCP, also give state of connection. 188 * Listening processes (aflag) are suppressed unless the 189 * -a (all) flag is specified. 190 */ 191 void 192 protopr(u_long off, const char *name, int af1, int proto) 193 { 194 static int first = 1; 195 int istcp; 196 char *buf; 197 const char *vchar; 198 struct xtcpcb *tp; 199 struct xinpcb *inp; 200 struct xinpgen *xig, *oxig; 201 struct xsocket *so; 202 int fnamelen, cnamelen; 203 204 istcp = 0; 205 switch (proto) { 206 case IPPROTO_TCP: 207 #ifdef INET6 208 if (strncmp(name, "sdp", 3) != 0) { 209 if (tcp_done != 0) 210 return; 211 else 212 tcp_done = 1; 213 } else { 214 if (sdp_done != 0) 215 return; 216 else 217 sdp_done = 1; 218 } 219 #endif 220 istcp = 1; 221 break; 222 case IPPROTO_UDP: 223 #ifdef INET6 224 if (udp_done != 0) 225 return; 226 else 227 udp_done = 1; 228 #endif 229 break; 230 } 231 232 if (!pcblist_sysctl(proto, name, &buf)) 233 return; 234 235 if (istcp && (cflag || Cflag)) { 236 fnamelen = strlen("Stack"); 237 cnamelen = strlen("CC"); 238 oxig = xig = (struct xinpgen *)buf; 239 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 240 xig->xig_len > sizeof(struct xinpgen); 241 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 242 tp = (struct xtcpcb *)xig; 243 inp = &tp->xt_inp; 244 if (inp->inp_gencnt > oxig->xig_gen) 245 continue; 246 so = &inp->xi_socket; 247 if (so->xso_protocol != proto) 248 continue; 249 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 250 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 251 } 252 } 253 254 oxig = xig = (struct xinpgen *)buf; 255 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 256 xig->xig_len > sizeof(struct xinpgen); 257 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 258 if (istcp) { 259 tp = (struct xtcpcb *)xig; 260 inp = &tp->xt_inp; 261 } else { 262 inp = (struct xinpcb *)xig; 263 } 264 so = &inp->xi_socket; 265 266 /* Ignore sockets for protocols other than the desired one. */ 267 if (proto != 0 && so->xso_protocol != proto) 268 continue; 269 270 /* Ignore PCBs which were freed during copyout. */ 271 if (inp->inp_gencnt > oxig->xig_gen) 272 continue; 273 274 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 275 #ifdef INET6 276 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 277 #endif /* INET6 */ 278 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 279 #ifdef INET6 280 && (inp->inp_vflag & INP_IPV6) == 0 281 #endif /* INET6 */ 282 )) 283 ) 284 continue; 285 if (!aflag && 286 ( 287 (istcp && tp->t_state == TCPS_LISTEN) 288 || (af1 == AF_INET && 289 inp->inp_laddr.s_addr == INADDR_ANY) 290 #ifdef INET6 291 || (af1 == AF_INET6 && 292 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 293 #endif /* INET6 */ 294 || (af1 == AF_UNSPEC && 295 (((inp->inp_vflag & INP_IPV4) != 0 && 296 inp->inp_laddr.s_addr == INADDR_ANY) 297 #ifdef INET6 298 || ((inp->inp_vflag & INP_IPV6) != 0 && 299 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 300 #endif 301 )) 302 )) 303 continue; 304 305 if (first) { 306 if (!Lflag) { 307 xo_emit("Active Internet connections"); 308 if (aflag) 309 xo_emit(" (including servers)"); 310 } else 311 xo_emit( 312 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 313 xo_emit("\n"); 314 if (Aflag) 315 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 316 "Tcpcb"); 317 if (Lflag) 318 xo_emit((Aflag && !Wflag) ? 319 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 320 ((!Wflag || af1 == AF_INET) ? 321 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 322 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 323 "Proto", "Listen", "Local Address"); 324 else if (Tflag) 325 xo_emit((Aflag && !Wflag) ? 326 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 327 ((!Wflag || af1 == AF_INET) ? 328 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 329 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 330 "Proto", "Rexmit", "OOORcv", "0-win", 331 "Local Address", "Foreign Address"); 332 else { 333 xo_emit((Aflag && !Wflag) ? 334 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 335 ((!Wflag || af1 == AF_INET) ? 336 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 337 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 338 "Proto", "Recv-Q", "Send-Q", 339 "Local Address", "Foreign Address"); 340 if (!xflag && !Rflag) 341 xo_emit(" {T:/%-11.11s}", "(state)"); 342 } 343 if (xflag) { 344 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 345 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 346 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 347 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 348 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 349 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 350 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 351 "rexmt", "persist", "keep", "2msl", 352 "delack", "rcvtime"); 353 } else if (Rflag) { 354 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 355 "flowid", "ftype"); 356 } 357 if (cflag) { 358 xo_emit(" {T:/%-*.*s}", 359 fnamelen, fnamelen, "Stack"); 360 } 361 if (Cflag) 362 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 363 " {T:/%10.10s} {T:/%5.5s}" 364 " {T:/%3.3s}", cnamelen, 365 cnamelen, "CC", 366 "cwin", 367 "ssthresh", 368 "MSS", 369 "ECN"); 370 if (Pflag) 371 xo_emit(" {T:/%s}", "Log ID"); 372 xo_emit("\n"); 373 first = 0; 374 } 375 if (Lflag && so->so_qlimit == 0) 376 continue; 377 xo_open_instance("socket"); 378 if (Aflag) 379 xo_emit("{q:address/%*lx} ", 2 * (int)sizeof(void *), 380 (u_long)so->so_pcb); 381 #ifdef INET6 382 if ((inp->inp_vflag & INP_IPV6) != 0) 383 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 384 "46" : "6"; 385 else 386 #endif 387 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 388 "4" : ""; 389 if (istcp && (tp->t_flags & TF_TOE) != 0) 390 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 391 else 392 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 393 if (Lflag) { 394 char buf1[33]; 395 396 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 397 so->so_incqlen, so->so_qlimit); 398 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 399 } else if (Tflag) { 400 if (istcp) 401 xo_emit("{:sent-retransmit-packets/%6u} " 402 "{:received-out-of-order-packets/%6u} " 403 "{:sent-zero-window/%6u} ", 404 tp->t_sndrexmitpack, tp->t_rcvoopack, 405 tp->t_sndzerowin); 406 else 407 xo_emit("{P:/%21s}", ""); 408 } else { 409 xo_emit("{:receive-bytes-waiting/%6u} " 410 "{:send-bytes-waiting/%6u} ", 411 so->so_rcv.sb_cc, so->so_snd.sb_cc); 412 } 413 if (numeric_port) { 414 #ifdef INET 415 if (inp->inp_vflag & INP_IPV4) { 416 inetprint("local", &inp->inp_laddr, 417 (int)inp->inp_lport, name, 1, af1); 418 if (!Lflag) 419 inetprint("remote", &inp->inp_faddr, 420 (int)inp->inp_fport, name, 1, af1); 421 } 422 #endif 423 #if defined(INET) && defined(INET6) 424 else 425 #endif 426 #ifdef INET6 427 if (inp->inp_vflag & INP_IPV6) { 428 inet6print("local", &inp->in6p_laddr, 429 (int)inp->inp_lport, name, 1); 430 if (!Lflag) 431 inet6print("remote", &inp->in6p_faddr, 432 (int)inp->inp_fport, name, 1); 433 } /* else nothing printed now */ 434 #endif /* INET6 */ 435 } else if (inp->inp_flags & INP_ANONPORT) { 436 #ifdef INET 437 if (inp->inp_vflag & INP_IPV4) { 438 inetprint("local", &inp->inp_laddr, 439 (int)inp->inp_lport, name, 1, af1); 440 if (!Lflag) 441 inetprint("remote", &inp->inp_faddr, 442 (int)inp->inp_fport, name, 0, af1); 443 } 444 #endif 445 #if defined(INET) && defined(INET6) 446 else 447 #endif 448 #ifdef INET6 449 if (inp->inp_vflag & INP_IPV6) { 450 inet6print("local", &inp->in6p_laddr, 451 (int)inp->inp_lport, name, 1); 452 if (!Lflag) 453 inet6print("remote", &inp->in6p_faddr, 454 (int)inp->inp_fport, name, 0); 455 } /* else nothing printed now */ 456 #endif /* INET6 */ 457 } else { 458 #ifdef INET 459 if (inp->inp_vflag & INP_IPV4) { 460 inetprint("local", &inp->inp_laddr, 461 (int)inp->inp_lport, name, 0, af1); 462 if (!Lflag) 463 inetprint("remote", &inp->inp_faddr, 464 (int)inp->inp_fport, name, 465 inp->inp_lport != inp->inp_fport, 466 af1); 467 } 468 #endif 469 #if defined(INET) && defined(INET6) 470 else 471 #endif 472 #ifdef INET6 473 if (inp->inp_vflag & INP_IPV6) { 474 inet6print("local", &inp->in6p_laddr, 475 (int)inp->inp_lport, name, 0); 476 if (!Lflag) 477 inet6print("remote", &inp->in6p_faddr, 478 (int)inp->inp_fport, name, 479 inp->inp_lport != inp->inp_fport); 480 } /* else nothing printed now */ 481 #endif /* INET6 */ 482 } 483 if (xflag) { 484 xo_emit("{:receive-high-water/%6u} " 485 "{:send-high-water/%6u} " 486 "{:receive-low-water/%6u} {:send-low-water/%6u} " 487 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 488 "{:receive-mbuf-bytes-max/%6u} " 489 "{:send-mbuf-bytes-max/%6u}", 490 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 491 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 492 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 493 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 494 if (istcp) 495 xo_emit(" {:retransmit-timer/%4d.%02d} " 496 "{:persist-timer/%4d.%02d} " 497 "{:keepalive-timer/%4d.%02d} " 498 "{:msl2-timer/%4d.%02d} " 499 "{:delay-ack-timer/%4d.%02d} " 500 "{:inactivity-timer/%4d.%02d}", 501 tp->tt_rexmt / 1000, 502 (tp->tt_rexmt % 1000) / 10, 503 tp->tt_persist / 1000, 504 (tp->tt_persist % 1000) / 10, 505 tp->tt_keep / 1000, 506 (tp->tt_keep % 1000) / 10, 507 tp->tt_2msl / 1000, 508 (tp->tt_2msl % 1000) / 10, 509 tp->tt_delack / 1000, 510 (tp->tt_delack % 1000) / 10, 511 tp->t_rcvtime / 1000, 512 (tp->t_rcvtime % 1000) / 10); 513 } 514 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 515 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 516 xo_emit("{:tcp-state/%-11d}", tp->t_state); 517 else { 518 xo_emit("{:tcp-state/%-11s}", 519 tcpstates[tp->t_state]); 520 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 521 /* Show T/TCP `hidden state' */ 522 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 523 xo_emit("{:need-syn-or-fin/*}"); 524 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 525 } 526 } 527 if (Rflag) { 528 /* XXX: is this right Alfred */ 529 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 530 inp->inp_flowid, 531 inp->inp_flowtype); 532 } 533 if (istcp) { 534 if (cflag) 535 xo_emit(" {:stack/%-*.*s}", 536 537 fnamelen, fnamelen, tp->xt_stack); 538 if (Cflag) 539 xo_emit(" {:cc/%-*.*s}" 540 " {:snd-cwnd/%10lu}" 541 " {:snd-ssthresh/%10lu}" 542 " {:t-maxseg/%5u} {:ecn/%3s}", 543 cnamelen, cnamelen, tp->xt_cc, 544 tp->t_snd_cwnd, tp->t_snd_ssthresh, 545 tp->t_maxseg, 546 (tp->t_state >= TCPS_ESTABLISHED ? 547 (tp->xt_ecn > 0 ? 548 (tp->xt_ecn == 1 ? 549 "ecn" : "ace") 550 : "off") 551 : "n/a")); 552 if (Pflag) 553 xo_emit(" {:log-id/%s}", 554 tp->xt_logid[0] == '\0' ? 555 "-" : tp->xt_logid); 556 } 557 xo_emit("\n"); 558 xo_close_instance("socket"); 559 } 560 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 561 if (oxig->xig_count > xig->xig_count) { 562 xo_emit("Some {d:lost/%s} sockets may have been " 563 "deleted.\n", name); 564 } else if (oxig->xig_count < xig->xig_count) { 565 xo_emit("Some {d:created/%s} sockets may have been " 566 "created.\n", name); 567 } else { 568 xo_emit("Some {d:changed/%s} sockets may have been " 569 "created or deleted.\n", name); 570 } 571 } 572 free(buf); 573 } 574 575 /* 576 * Dump TCP statistics structure. 577 */ 578 void 579 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 580 { 581 struct tcpstat tcpstat; 582 uint64_t tcps_states[TCP_NSTATES]; 583 584 #ifdef INET6 585 if (tcp_done != 0) 586 return; 587 else 588 tcp_done = 1; 589 #endif 590 591 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 592 sizeof(tcpstat), kread_counters) != 0) 593 return; 594 595 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 596 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 597 return; 598 599 xo_open_container("tcp"); 600 xo_emit("{T:/%s}:\n", name); 601 602 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 603 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 604 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 605 xo_emit(m, (uintmax_t )tcpstat.f) 606 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 607 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 608 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 609 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 610 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 611 (uintmax_t )tcpstat.f2) 612 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 613 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 614 615 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 616 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 617 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 618 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 619 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 620 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 621 "{N:retransmitted}\n"); 622 p(tcps_sndrexmitbad, "\t\t" 623 "{:sent-unnecessary-retransmitted-packets/%ju} " 624 "{N:/data packet%s unnecessarily retransmitted}\n"); 625 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 626 "{N:/resend%s initiated by MTU discovery}\n"); 627 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 628 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 629 "{N:delayed})\n"); 630 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 631 "{N:/URG only packet%s}\n"); 632 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 633 "{N:/window probe packet%s}\n"); 634 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 635 "{N:/window update packet%s}\n"); 636 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 637 "{N:/control packet%s}\n"); 638 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 639 "{N:/packet%s received}\n"); 640 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 641 "{:received-ack-packets/%ju} {N:/ack%s} " 642 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 643 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 644 "{N:/duplicate ack%s}\n"); 645 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 646 "{N:/UDP tunneled pkt%s}\n"); 647 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 648 "{N:/UDP tunneled pkt cnt with error%s}\n"); 649 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 650 "{N:/ack%s for unsent data}\n"); 651 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 652 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 653 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 654 "{N:received in-sequence}\n"); 655 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 656 "{:received-completely-duplicate-packets/%ju} " 657 "{N:/completely duplicate packet%s} " 658 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 659 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 660 "{N:/old duplicate packet%s}\n"); 661 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 662 "{:received-some-duplicate-packets/%ju} " 663 "{N:/packet%s with some dup. data} " 664 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 665 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 666 "{N:/out-of-order packet%s} " 667 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 668 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 669 "{:received-after-window-packets/%ju} {N:/packet%s} " 670 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 671 "{N:of data after window}\n"); 672 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 673 "{N:/window probe%s}\n"); 674 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 675 "{N:/window update packet%s}\n"); 676 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 677 "{N:/packet%s received with dsack}\n"); 678 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 679 "{N:/dsack byte%s received (no TLP involved)}\n"); 680 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 681 "{N:/dsack byte%s received (TLP responsible)}\n"); 682 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 683 "{N:/packet%s received after close}\n"); 684 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 685 "{N:/discarded for bad checksum%s}\n"); 686 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 687 "{N:/discarded for bad header offset field%s}\n"); 688 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 689 "{N:discarded because packet too short}\n"); 690 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 691 "{N:discarded due to full reassembly queue}\n"); 692 p(tcps_connattempt, "\t{:connection-requests/%ju} " 693 "{N:/connection request%s}\n"); 694 p(tcps_accepts, "\t{:connections-accepts/%ju} " 695 "{N:/connection accept%s}\n"); 696 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 697 "{N:/bad connection attempt%s}\n"); 698 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 699 "{N:/listen queue overflow%s}\n"); 700 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 701 "{N:/ignored RSTs in the window%s}\n"); 702 p(tcps_connects, "\t{:connections-established/%ju} " 703 "{N:/connection%s established (including accepts)}\n"); 704 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 705 "{N:/time%s used RTT from hostcache}\n"); 706 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 707 "{N:/time%s used RTT variance from hostcache}\n"); 708 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 709 "{N:/time%s used slow-start threshold from hostcache}\n"); 710 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 711 "{N:/connection%s closed (including} " 712 "{:connection-drops/%ju} {N:/drop%s})\n"); 713 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 714 "{N:/connection%s updated cached RTT on close}\n"); 715 p(tcps_cachedrttvar, "\t\t" 716 "{:connections-updated-variance-on-close/%ju} " 717 "{N:/connection%s updated cached RTT variance on close}\n"); 718 p(tcps_cachedssthresh, "\t\t" 719 "{:connections-updated-ssthresh-on-close/%ju} " 720 "{N:/connection%s updated cached ssthresh on close}\n"); 721 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 722 "{N:/embryonic connection%s dropped}\n"); 723 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 724 "{N:/segment%s updated rtt (of} " 725 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 726 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 727 "{N:/retransmit timeout%s}\n"); 728 p(tcps_timeoutdrop, "\t\t" 729 "{:connections-dropped-by-retransmit-timeout/%ju} " 730 "{N:/connection%s dropped by rexmit timeout}\n"); 731 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 732 "{N:/persist timeout%s}\n"); 733 p(tcps_persistdrop, "\t\t" 734 "{:connections-dropped-by-persist-timeout/%ju} " 735 "{N:/connection%s dropped by persist timeout}\n"); 736 p(tcps_finwait2_drops, "\t" 737 "{:connections-dropped-by-finwait2-timeout/%ju} " 738 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 739 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 740 "{N:/keepalive timeout%s}\n"); 741 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 742 "{N:/keepalive probe%s sent}\n"); 743 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 744 "{N:/connection%s dropped by keepalive}\n"); 745 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 746 "{N:/connection%s dropped due to exceeding progress time}\n"); 747 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 748 "{N:/correct ACK header prediction%s}\n"); 749 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 750 "{N:/correct data packet header prediction%s}\n"); 751 752 xo_open_container("syncache"); 753 754 p3(tcps_sc_added, "\t{:entries-added/%ju} " 755 "{N:/syncache entr%s added}\n"); 756 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 757 "{N:/retransmitted}\n"); 758 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 759 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 760 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 761 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 762 "{N:/bucket overflow}\n"); 763 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 764 "{N:/cache overflow}\n"); 765 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 766 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 767 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 768 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 769 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 770 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 771 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 772 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 773 "{N:/cookie%s received}\n"); 774 775 xo_close_container("syncache"); 776 777 xo_open_container("hostcache"); 778 779 p3(tcps_hc_added, "\t{:entries-added/%ju} " 780 "{N:/hostcache entr%s added}\n"); 781 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 782 "{N:/bucket overflow}\n"); 783 784 xo_close_container("hostcache"); 785 786 xo_open_container("sack"); 787 788 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 789 "{N:/SACK recovery episode%s}\n"); 790 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 791 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 792 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 793 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 794 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 795 "{N:/SACK option%s (SACK blocks) received}\n"); 796 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 797 "{N:/SACK option%s (SACK blocks) sent}\n"); 798 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 799 "{N:/SACK retransmission%s lost}\n"); 800 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 801 "{N:/SACK scoreboard overflow}\n"); 802 803 xo_close_container("sack"); 804 xo_open_container("ecn"); 805 806 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 807 "{N:/packet%s received with ECN CE bit set}\n"); 808 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 809 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 810 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 811 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 812 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 813 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 814 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 815 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 816 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 817 "{N:/successful ECN handshake%s}\n"); 818 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 819 "{N:/time%s ECN reduced the congestion window}\n"); 820 821 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 822 "{N:/ACE SYN packet%s with Non-ECT}\n"); 823 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 824 "{N:/ACE SYN packet%s with ECT0}\n"); 825 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 826 "{N:/ACE SYN packet%s with ECT1}\n"); 827 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 828 "{N:/ACE SYN packet%s with CE}\n"); 829 830 xo_close_container("ecn"); 831 xo_open_container("tcp-signature"); 832 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 833 "{N:/packet%s with matching signature received}\n"); 834 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 835 "{N:/packet%s with bad signature received}\n"); 836 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 837 "{N:/time%s failed to make signature due to no SA}\n"); 838 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 839 "{N:/time%s unexpected signature received}\n"); 840 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 841 "{N:/time%s no signature provided by segment}\n"); 842 843 xo_close_container("tcp-signature"); 844 xo_open_container("pmtud"); 845 846 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 847 "{N:/Path MTU discovery black hole detection activation%s}\n"); 848 p(tcps_pmtud_blackhole_activated_min_mss, 849 "\t{:pmtud-activated-min-mss/%ju} " 850 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 851 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 852 "{N:/Path MTU discovery black hole detection failure%s}\n"); 853 854 xo_close_container("pmtud"); 855 xo_open_container("tw"); 856 857 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 858 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 859 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 860 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 861 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 862 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 863 864 xo_close_container("tw"); 865 #undef p 866 #undef p1a 867 #undef p2 868 #undef p2a 869 #undef p3 870 871 xo_open_container("TCP connection count by state"); 872 xo_emit("{T:/TCP connection count by state}:\n"); 873 for (int i = 0; i < TCP_NSTATES; i++) { 874 /* 875 * XXXGL: is there a way in libxo to use %s 876 * in the "content string" of a format 877 * string? I failed to do that, that's why 878 * a temporary buffer is used to construct 879 * format string for xo_emit(). 880 */ 881 char fmtbuf[80]; 882 883 if (sflag > 1 && tcps_states[i] == 0) 884 continue; 885 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 886 "{Np:/connection ,connections} in %s state\n", 887 tcpstates[i], tcpstates[i]); 888 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 889 } 890 xo_close_container("TCP connection count by state"); 891 892 xo_close_container("tcp"); 893 } 894 895 /* 896 * Dump UDP statistics structure. 897 */ 898 void 899 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 900 { 901 struct udpstat udpstat; 902 uint64_t delivered; 903 904 #ifdef INET6 905 if (udp_done != 0) 906 return; 907 else 908 udp_done = 1; 909 #endif 910 911 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 912 sizeof(udpstat), kread_counters) != 0) 913 return; 914 915 xo_open_container("udp"); 916 xo_emit("{T:/%s}:\n", name); 917 918 #define p(f, m) if (udpstat.f || sflag <= 1) \ 919 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 920 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 921 xo_emit("\t" m, (uintmax_t)udpstat.f) 922 923 p(udps_ipackets, "{:received-datagrams/%ju} " 924 "{N:/datagram%s received}\n"); 925 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 926 "{N:/with incomplete header}\n"); 927 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 928 "{N:/with bad data length field}\n"); 929 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 930 "{N:/with bad checksum}\n"); 931 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 932 "{N:/with no checksum}\n"); 933 p1a(udps_noport, "{:dropped-no-socket/%ju} " 934 "{N:/dropped due to no socket}\n"); 935 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 936 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 937 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 938 "{N:/dropped due to full socket buffers}\n"); 939 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 940 "{N:/not for hashed pcb}\n"); 941 delivered = udpstat.udps_ipackets - 942 udpstat.udps_hdrops - 943 udpstat.udps_badlen - 944 udpstat.udps_badsum - 945 udpstat.udps_noport - 946 udpstat.udps_noportbcast - 947 udpstat.udps_fullsock; 948 if (delivered || sflag <= 1) 949 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 950 (uint64_t)delivered); 951 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 952 /* the next statistic is cumulative in udps_noportbcast */ 953 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 954 "{N:/time%s multicast source filter matched}\n"); 955 #undef p 956 #undef p1a 957 xo_close_container("udp"); 958 } 959 960 /* 961 * Dump CARP statistics structure. 962 */ 963 void 964 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 965 { 966 struct carpstats carpstat; 967 968 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 969 sizeof(carpstat), kread_counters) != 0) 970 return; 971 972 xo_open_container(name); 973 xo_emit("{T:/%s}:\n", name); 974 975 #define p(f, m) if (carpstat.f || sflag <= 1) \ 976 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 977 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 978 xo_emit(m, (uintmax_t)carpstat.f) 979 980 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 981 "{N:/packet%s received (IPv4)}\n"); 982 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 983 "{N:/packet%s received (IPv6)}\n"); 984 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 985 "{N:/packet%s discarded for wrong TTL}\n"); 986 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 987 "{N:/packet%s shorter than header}\n"); 988 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 989 "{N:/discarded for bad checksum%s}\n"); 990 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 991 "{N:/discarded packet%s with a bad version}\n"); 992 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 993 "{N:/discarded because packet too short}\n"); 994 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 995 "{N:/discarded for bad authentication}\n"); 996 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 997 "{N:/discarded for bad vhid}\n"); 998 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 999 "{N:/discarded because of a bad address list}\n"); 1000 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1001 "{N:/packet%s sent (IPv4)}\n"); 1002 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1003 "{N:/packet%s sent (IPv6)}\n"); 1004 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1005 "{N:/send failed due to mbuf memory error}\n"); 1006 #if notyet 1007 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1008 "{N:/state update%s sent}\n"); 1009 #endif 1010 #undef p 1011 #undef p2 1012 xo_close_container(name); 1013 } 1014 1015 /* 1016 * Dump IP statistics structure. 1017 */ 1018 void 1019 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1020 { 1021 struct ipstat ipstat; 1022 1023 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1024 sizeof(ipstat), kread_counters) != 0) 1025 return; 1026 1027 xo_open_container(name); 1028 xo_emit("{T:/%s}:\n", name); 1029 1030 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1031 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1032 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1033 xo_emit(m, (uintmax_t )ipstat.f) 1034 1035 p(ips_total, "\t{:received-packets/%ju} " 1036 "{N:/total packet%s received}\n"); 1037 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1038 "{N:/bad header checksum%s}\n"); 1039 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1040 "{N:/with size smaller than minimum}\n"); 1041 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1042 "{N:/with data size < data length}\n"); 1043 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1044 "{N:/with ip length > max ip packet size}\n"); 1045 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1046 "{N:/with header length < data size}\n"); 1047 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1048 "{N:/with data length < header length}\n"); 1049 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1050 "{N:/with bad options}\n"); 1051 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1052 "{N:/with incorrect version number}\n"); 1053 p(ips_fragments, "\t{:received-fragments/%ju} " 1054 "{N:/fragment%s received}\n"); 1055 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1056 "{N:/fragment%s dropped (dup or out of space)}\n"); 1057 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1058 "{N:/fragment%s dropped after timeout}\n"); 1059 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1060 "{N:/packet%s reassembled ok}\n"); 1061 p(ips_delivered, "\t{:received-local-packets/%ju} " 1062 "{N:/packet%s for this host}\n"); 1063 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1064 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1065 p(ips_forward, "\t{:forwarded-packets/%ju} " 1066 "{N:/packet%s forwarded}"); 1067 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1068 "{N:/packet%s fast forwarded})"); 1069 if (ipstat.ips_forward || sflag <= 1) 1070 xo_emit("\n"); 1071 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1072 "{N:/packet%s not forwardable}\n"); 1073 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1074 "{N:/packet%s received for unknown multicast group}\n"); 1075 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1076 "{N:/redirect%s sent}\n"); 1077 p(ips_localout, "\t{:sent-packets/%ju} " 1078 "{N:/packet%s sent from this host}\n"); 1079 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1080 "{N:/packet%s sent with fabricated ip header}\n"); 1081 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1082 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1083 p(ips_noroute, "\t{:discard-no-route/%ju} " 1084 "{N:/output packet%s discarded due to no route}\n"); 1085 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1086 "{N:/output datagram%s fragmented}\n"); 1087 p(ips_ofragments, "\t{:fragments-created/%ju} " 1088 "{N:/fragment%s created}\n"); 1089 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1090 "{N:/datagram%s that can't be fragmented}\n"); 1091 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1092 "{N:/tunneling packet%s that can't find gif}\n"); 1093 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1094 "{N:/datagram%s with bad address in header}\n"); 1095 #undef p 1096 #undef p1a 1097 xo_close_container(name); 1098 } 1099 1100 /* 1101 * Dump ARP statistics structure. 1102 */ 1103 void 1104 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1105 { 1106 struct arpstat arpstat; 1107 1108 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1109 sizeof(arpstat), kread_counters) != 0) 1110 return; 1111 1112 xo_open_container(name); 1113 xo_emit("{T:/%s}:\n", name); 1114 1115 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1116 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1117 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1118 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1119 1120 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1121 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1122 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1123 p(rxrequests, "{:received-requests/%ju} " 1124 "{N:/ARP request%s received}\n"); 1125 p2(rxreplies, "{:received-replies/%ju} " 1126 "{N:/ARP repl%s received}\n"); 1127 p(received, "{:received-packets/%ju} " 1128 "{N:/ARP packet%s received}\n"); 1129 p(dropped, "{:dropped-no-entry/%ju} " 1130 "{N:/total packet%s dropped due to no ARP entry}\n"); 1131 p(timeouts, "{:entries-timeout/%ju} " 1132 "{N:/ARP entry%s timed out}\n"); 1133 p(dupips, "{:dropped-duplicate-address/%ju} " 1134 "{N:/Duplicate IP%s seen}\n"); 1135 #undef p 1136 #undef p2 1137 xo_close_container(name); 1138 } 1139 1140 1141 1142 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1143 "echo reply", /* RFC 792 */ 1144 "#1", 1145 "#2", 1146 "destination unreachable", /* RFC 792 */ 1147 "source quench", /* RFC 792 */ 1148 "routing redirect", /* RFC 792 */ 1149 "#6", 1150 "#7", 1151 "echo", /* RFC 792 */ 1152 "router advertisement", /* RFC 1256 */ 1153 "router solicitation", /* RFC 1256 */ 1154 "time exceeded", /* RFC 792 */ 1155 "parameter problem", /* RFC 792 */ 1156 "time stamp", /* RFC 792 */ 1157 "time stamp reply", /* RFC 792 */ 1158 "information request", /* RFC 792 */ 1159 "information request reply", /* RFC 792 */ 1160 "address mask request", /* RFC 950 */ 1161 "address mask reply", /* RFC 950 */ 1162 "#19", 1163 "#20", 1164 "#21", 1165 "#22", 1166 "#23", 1167 "#24", 1168 "#25", 1169 "#26", 1170 "#27", 1171 "#28", 1172 "#29", 1173 "icmp traceroute", /* RFC 1393 */ 1174 "datagram conversion error", /* RFC 1475 */ 1175 "mobile host redirect", 1176 "IPv6 where-are-you", 1177 "IPv6 i-am-here", 1178 "mobile registration req", 1179 "mobile registration reply", 1180 "domain name request", /* RFC 1788 */ 1181 "domain name reply", /* RFC 1788 */ 1182 "icmp SKIP", 1183 "icmp photuris", /* RFC 2521 */ 1184 }; 1185 1186 /* 1187 * Dump ICMP statistics. 1188 */ 1189 void 1190 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1191 { 1192 struct icmpstat icmpstat; 1193 size_t len; 1194 int i, first; 1195 1196 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1197 sizeof(icmpstat), kread_counters) != 0) 1198 return; 1199 1200 xo_open_container(name); 1201 xo_emit("{T:/%s}:\n", name); 1202 1203 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1204 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1205 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1206 xo_emit(m, icmpstat.f) 1207 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1208 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1209 1210 p(icps_error, "\t{:icmp-calls/%lu} " 1211 "{N:/call%s to icmp_error}\n"); 1212 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1213 "{N:/error%s not generated in response to an icmp message}\n"); 1214 1215 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1216 if (icmpstat.icps_outhist[i] != 0) { 1217 if (first) { 1218 xo_open_list("output-histogram"); 1219 xo_emit("\tOutput histogram:\n"); 1220 first = 0; 1221 } 1222 xo_open_instance("output-histogram"); 1223 if (icmpnames[i] != NULL) 1224 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1225 icmpnames[i], icmpstat.icps_outhist[i]); 1226 else 1227 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1228 "{:count/%lu}\n", 1229 i, icmpstat.icps_outhist[i]); 1230 xo_close_instance("output-histogram"); 1231 } 1232 } 1233 if (!first) 1234 xo_close_list("output-histogram"); 1235 1236 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1237 "{N:/message%s with bad code fields}\n"); 1238 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1239 "{N:/message%s less than the minimum length}\n"); 1240 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1241 "{N:/message%s with bad checksum}\n"); 1242 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1243 "{N:/message%s with bad length}\n"); 1244 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1245 "{N:/multicast echo requests ignored}\n"); 1246 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1247 "{N:/multicast timestamp requests ignored}\n"); 1248 1249 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1250 if (icmpstat.icps_inhist[i] != 0) { 1251 if (first) { 1252 xo_open_list("input-histogram"); 1253 xo_emit("\tInput histogram:\n"); 1254 first = 0; 1255 } 1256 xo_open_instance("input-histogram"); 1257 if (icmpnames[i] != NULL) 1258 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1259 icmpnames[i], 1260 icmpstat.icps_inhist[i]); 1261 else 1262 xo_emit( 1263 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1264 i, icmpstat.icps_inhist[i]); 1265 xo_close_instance("input-histogram"); 1266 } 1267 } 1268 if (!first) 1269 xo_close_list("input-histogram"); 1270 1271 p(icps_reflect, "\t{:sent-packets/%lu} " 1272 "{N:/message response%s generated}\n"); 1273 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1274 "{N:/invalid return address%s}\n"); 1275 p(icps_noroute, "\t{:discard-no-route/%lu} " 1276 "{N:/no return route%s}\n"); 1277 #undef p 1278 #undef p1a 1279 #undef p2 1280 if (live) { 1281 len = sizeof i; 1282 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1283 0) 1284 return; 1285 xo_emit("\tICMP address mask responses are " 1286 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1287 } 1288 1289 xo_close_container(name); 1290 } 1291 1292 /* 1293 * Dump IGMP statistics structure. 1294 */ 1295 void 1296 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1297 { 1298 struct igmpstat igmpstat; 1299 int error, zflag0; 1300 1301 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1302 sizeof(igmpstat), kread) != 0) 1303 return; 1304 /* 1305 * Reread net.inet.igmp.stats when zflag == 1. 1306 * This is because this MIB contains version number and 1307 * length of the structure which are not set when clearing 1308 * the counters. 1309 */ 1310 zflag0 = zflag; 1311 if (zflag) { 1312 zflag = 0; 1313 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1314 sizeof(igmpstat), kread); 1315 zflag = zflag0; 1316 if (error) 1317 return; 1318 } 1319 1320 if (igmpstat.igps_version != IGPS_VERSION_3) { 1321 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1322 igmpstat.igps_version, IGPS_VERSION_3); 1323 return; 1324 } 1325 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1326 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1327 igmpstat.igps_len, IGPS_VERSION3_LEN); 1328 return; 1329 } 1330 1331 xo_open_container(name); 1332 xo_emit("{T:/%s}:\n", name); 1333 1334 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1335 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1336 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1337 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1338 1339 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1340 "{N:/message%s received}\n"); 1341 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1342 "{N:/message%s received with too few bytes}\n"); 1343 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1344 "{N:/message%s received with wrong TTL}\n"); 1345 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1346 "{N:/message%s received with bad checksum}\n"); 1347 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1348 "{N:/V1\\/V2 membership quer%s received}\n"); 1349 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1350 "{N:/V3 membership quer%s received}\n"); 1351 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1352 "{N:/membership quer%s received with invalid field(s)}\n"); 1353 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1354 "{N:/general quer%s received}\n"); 1355 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1356 "{N:/group quer%s received}\n"); 1357 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1358 "{N:/group-source quer%s received}\n"); 1359 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1360 "{N:/group-source quer%s dropped}\n"); 1361 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1362 "{N:/membership report%s received}\n"); 1363 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1364 "{N:/membership report%s received with invalid field(s)}\n"); 1365 p64(igps_rcv_ourreports, "\t" 1366 "{:received-membership-reports-matching/%ju} " 1367 "{N:/membership report%s received for groups to which we belong}" 1368 "\n"); 1369 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1370 "{N:/V3 report%s received without Router Alert}\n"); 1371 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1372 "{N:/membership report%s sent}\n"); 1373 #undef p64 1374 #undef py64 1375 xo_close_container(name); 1376 } 1377 1378 /* 1379 * Dump PIM statistics structure. 1380 */ 1381 void 1382 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1383 int proto __unused) 1384 { 1385 struct pimstat pimstat; 1386 1387 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1388 sizeof(pimstat), kread_counters) != 0) 1389 return; 1390 1391 xo_open_container(name); 1392 xo_emit("{T:/%s}:\n", name); 1393 1394 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1395 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1396 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1397 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1398 1399 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1400 "{N:/message%s received}\n"); 1401 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1402 "{N:/byte%s received}\n"); 1403 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1404 "{N:/message%s received with too few bytes}\n"); 1405 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1406 "{N:/message%s received with bad checksum}\n"); 1407 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1408 "{N:/message%s received with bad version}\n"); 1409 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1410 "{N:/data register message%s received}\n"); 1411 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1412 "{N:/data register byte%s received}\n"); 1413 p(pims_rcv_registers_wrongiif, "\t" 1414 "{:received-data-register-wrong-interface/%ju} " 1415 "{N:/data register message%s received on wrong iif}\n"); 1416 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1417 "{N:/bad register%s received}\n"); 1418 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1419 "{N:/data register message%s sent}\n"); 1420 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1421 "{N:/data register byte%s sent}\n"); 1422 #undef p 1423 #undef py 1424 xo_close_container(name); 1425 } 1426 1427 /* 1428 * Dump divert(4) statistics structure. 1429 */ 1430 void 1431 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1432 { 1433 struct divstat divstat; 1434 1435 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1436 sizeof(divstat), kread_counters) != 0) 1437 return; 1438 1439 xo_open_container(name); 1440 xo_emit("{T:/%s}:\n", name); 1441 1442 #define p(f, m) if (divstat.f || sflag <= 1) \ 1443 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1444 1445 p(div_diverted, "\t{:diverted-packets/%ju} " 1446 "{N:/packet%s successfully diverted to userland}\n"); 1447 p(div_noport, "\t{:noport-fails/%ju} " 1448 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1449 p(div_outbound, "\t{:outbound-packets/%ju} " 1450 "{N:/packet%s successfully re-injected as outbound}\n"); 1451 p(div_inbound, "\t{:inbound-packets/%ju} " 1452 "{N:/packet%s successfully re-injected as inbound}\n"); 1453 #undef p 1454 xo_close_container(name); 1455 } 1456 1457 #ifdef INET 1458 /* 1459 * Pretty print an Internet address (net address + port). 1460 */ 1461 static void 1462 inetprint(const char *container, struct in_addr *in, int port, 1463 const char *proto, int num_port, const int af1) 1464 { 1465 struct servent *sp = 0; 1466 char line[80], *cp; 1467 int width; 1468 size_t alen, plen; 1469 1470 if (container) 1471 xo_open_container(container); 1472 1473 if (Wflag) 1474 snprintf(line, sizeof(line), "%s.", inetname(in)); 1475 else 1476 snprintf(line, sizeof(line), "%.*s.", 1477 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1478 alen = strlen(line); 1479 cp = line + alen; 1480 if (!num_port && port) 1481 sp = getservbyport((int)port, proto); 1482 if (sp || port == 0) 1483 snprintf(cp, sizeof(line) - alen, 1484 "%.15s ", sp ? sp->s_name : "*"); 1485 else 1486 snprintf(cp, sizeof(line) - alen, 1487 "%d ", ntohs((u_short)port)); 1488 width = (Aflag && !Wflag) ? 18 : 1489 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1490 if (Wflag) 1491 xo_emit("{d:target/%-*s} ", width, line); 1492 else 1493 xo_emit("{d:target/%-*.*s} ", width, width, line); 1494 1495 plen = strlen(cp) - 1; 1496 alen--; 1497 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1498 plen, cp); 1499 1500 if (container) 1501 xo_close_container(container); 1502 } 1503 1504 /* 1505 * Construct an Internet address representation. 1506 * If numeric_addr has been supplied, give 1507 * numeric value, otherwise try for symbolic name. 1508 */ 1509 char * 1510 inetname(struct in_addr *inp) 1511 { 1512 char *cp; 1513 static char line[MAXHOSTNAMELEN]; 1514 struct hostent *hp; 1515 1516 cp = 0; 1517 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1518 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1519 if (hp) { 1520 cp = hp->h_name; 1521 trimdomain(cp, strlen(cp)); 1522 } 1523 } 1524 if (inp->s_addr == INADDR_ANY) 1525 strcpy(line, "*"); 1526 else if (cp) { 1527 strlcpy(line, cp, sizeof(line)); 1528 } else { 1529 inp->s_addr = ntohl(inp->s_addr); 1530 #define C(x) ((u_int)((x) & 0xff)) 1531 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1532 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1533 C(inp->s_addr >> 8), C(inp->s_addr)); 1534 } 1535 return (line); 1536 } 1537 #endif 1538