1 /*- 2 * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved. 3 * Copyright (c) 2011, by Michael Tuexen. 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 are met: 7 * 8 * a) Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * b) Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the distribution. 14 * 15 * c) Neither the name of Cisco Systems, Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #if 0 33 #ifndef lint 34 static char sccsid[] = "@(#)sctp.c 0.1 (Berkeley) 4/18/2007"; 35 #endif /* not lint */ 36 #endif 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 40 41 #include <sys/param.h> 42 #include <sys/queue.h> 43 #include <sys/types.h> 44 #include <sys/socket.h> 45 #include <sys/socketvar.h> 46 #include <sys/sysctl.h> 47 #include <sys/protosw.h> 48 49 #include <netinet/in.h> 50 #include <netinet/sctp.h> 51 #include <netinet/sctp_constants.h> 52 #include <arpa/inet.h> 53 54 #include <err.h> 55 #include <errno.h> 56 #include <libutil.h> 57 #include <netdb.h> 58 #include <stdint.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <stdbool.h> 62 #include <string.h> 63 #include <unistd.h> 64 #include "netstat.h" 65 #include <libxo/xo.h> 66 67 #ifdef SCTP 68 69 static void sctp_statesprint(uint32_t state); 70 71 #define NETSTAT_SCTP_STATES_CLOSED 0x0 72 #define NETSTAT_SCTP_STATES_BOUND 0x1 73 #define NETSTAT_SCTP_STATES_LISTEN 0x2 74 #define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3 75 #define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4 76 #define NETSTAT_SCTP_STATES_ESTABLISHED 0x5 77 #define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6 78 #define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7 79 #define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8 80 #define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9 81 82 static const char *sctpstates[] = { 83 "CLOSED", 84 "BOUND", 85 "LISTEN", 86 "COOKIE_WAIT", 87 "COOKIE_ECHOED", 88 "ESTABLISHED", 89 "SHUTDOWN_SENT", 90 "SHUTDOWN_RECEIVED", 91 "SHUTDOWN_ACK_SENT", 92 "SHUTDOWN_PENDING" 93 }; 94 95 static LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; 96 struct xladdr_entry { 97 struct xsctp_laddr *xladdr; 98 LIST_ENTRY(xladdr_entry) xladdr_entries; 99 }; 100 101 static LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; 102 struct xraddr_entry { 103 struct xsctp_raddr *xraddr; 104 LIST_ENTRY(xraddr_entry) xraddr_entries; 105 }; 106 107 /* 108 * Construct an Internet address representation. 109 * If numeric_addr has been supplied, give 110 * numeric value, otherwise try for symbolic name. 111 */ 112 #ifdef INET 113 static char * 114 inetname(struct in_addr *inp) 115 { 116 char *cp; 117 static char line[MAXHOSTNAMELEN]; 118 struct hostent *hp; 119 struct netent *np; 120 121 cp = 0; 122 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 123 int net = inet_netof(*inp); 124 int lna = inet_lnaof(*inp); 125 126 if (lna == INADDR_ANY) { 127 np = getnetbyaddr(net, AF_INET); 128 if (np) 129 cp = np->n_name; 130 } 131 if (cp == 0) { 132 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 133 if (hp) { 134 cp = hp->h_name; 135 trimdomain(cp, strlen(cp)); 136 } 137 } 138 } 139 if (inp->s_addr == INADDR_ANY) 140 strcpy(line, "*"); 141 else if (cp) { 142 strlcpy(line, cp, sizeof(line)); 143 } else { 144 inp->s_addr = ntohl(inp->s_addr); 145 #define C(x) ((u_int)((x) & 0xff)) 146 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 147 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 148 inp->s_addr = htonl(inp->s_addr); 149 } 150 return (line); 151 } 152 #endif 153 154 #ifdef INET6 155 static char ntop_buf[INET6_ADDRSTRLEN]; 156 157 static char * 158 inet6name(struct in6_addr *in6p) 159 { 160 char *cp; 161 static char line[50]; 162 struct hostent *hp; 163 static char domain[MAXHOSTNAMELEN]; 164 static int first = 1; 165 166 if (first && !numeric_addr) { 167 first = 0; 168 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 169 (cp = strchr(domain, '.'))) 170 (void) strcpy(domain, cp + 1); 171 else 172 domain[0] = 0; 173 } 174 cp = 0; 175 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 176 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 177 if (hp) { 178 if ((cp = strchr(hp->h_name, '.')) && 179 !strcmp(cp + 1, domain)) 180 *cp = 0; 181 cp = hp->h_name; 182 } 183 } 184 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 185 strcpy(line, "*"); 186 else if (cp) 187 strcpy(line, cp); 188 else 189 sprintf(line, "%s", 190 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 191 sizeof(ntop_buf))); 192 return (line); 193 } 194 #endif 195 196 static void 197 sctp_print_address(const char *container, union sctp_sockstore *address, 198 int port, int num_port) 199 { 200 struct servent *sp = 0; 201 char line[80], *cp; 202 int width; 203 204 if (container) 205 xo_open_container(container); 206 207 switch (address->sa.sa_family) { 208 #ifdef INET 209 case AF_INET: 210 sprintf(line, "%.*s.", Wflag ? 39 : 16, inetname(&address->sin.sin_addr)); 211 break; 212 #endif 213 #ifdef INET6 214 case AF_INET6: 215 sprintf(line, "%.*s.", Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr)); 216 break; 217 #endif 218 default: 219 sprintf(line, "%.*s.", Wflag ? 39 : 16, ""); 220 break; 221 } 222 cp = strchr(line, '\0'); 223 if (!num_port && port) 224 sp = getservbyport((int)port, "sctp"); 225 if (sp || port == 0) 226 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 227 else 228 sprintf(cp, "%d ", ntohs((u_short)port)); 229 width = Wflag ? 45 : 22; 230 xo_emit("{d:target/%-*.*s} ", width, width, line); 231 232 int alen = cp - line - 1, plen = strlen(cp) - 1; 233 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 234 plen, cp); 235 236 if (container) 237 xo_close_container(container); 238 } 239 240 static int 241 sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) 242 { 243 int exist_tcb = 0; 244 struct xsctp_tcb *xstcb; 245 struct xsctp_raddr *xraddr; 246 struct xsctp_laddr *xladdr; 247 248 while (*offset < buflen) { 249 xladdr = (struct xsctp_laddr *)(buf + *offset); 250 *offset += sizeof(struct xsctp_laddr); 251 if (xladdr->last == 1) 252 break; 253 } 254 255 while (*offset < buflen) { 256 xstcb = (struct xsctp_tcb *)(buf + *offset); 257 *offset += sizeof(struct xsctp_tcb); 258 if (xstcb->last == 1) 259 break; 260 261 exist_tcb = 1; 262 263 while (*offset < buflen) { 264 xladdr = (struct xsctp_laddr *)(buf + *offset); 265 *offset += sizeof(struct xsctp_laddr); 266 if (xladdr->last == 1) 267 break; 268 } 269 270 while (*offset < buflen) { 271 xraddr = (struct xsctp_raddr *)(buf + *offset); 272 *offset += sizeof(struct xsctp_raddr); 273 if (xraddr->last == 1) 274 break; 275 } 276 } 277 278 /* 279 * If Lflag is set, we don't care about the return value. 280 */ 281 if (Lflag) 282 return 0; 283 284 return exist_tcb; 285 } 286 287 static void 288 sctp_process_tcb(struct xsctp_tcb *xstcb, 289 char *buf, const size_t buflen, size_t *offset, int *indent) 290 { 291 int i, xl_total = 0, xr_total = 0, x_max; 292 struct xsctp_raddr *xraddr; 293 struct xsctp_laddr *xladdr; 294 struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; 295 struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; 296 297 LIST_INIT(&xladdr_head); 298 LIST_INIT(&xraddr_head); 299 300 /* 301 * Make `struct xladdr_list' list and `struct xraddr_list' list 302 * to handle the address flexibly. 303 */ 304 while (*offset < buflen) { 305 xladdr = (struct xsctp_laddr *)(buf + *offset); 306 *offset += sizeof(struct xsctp_laddr); 307 if (xladdr->last == 1) 308 break; 309 310 prev_xl = xl; 311 xl = malloc(sizeof(struct xladdr_entry)); 312 if (xl == NULL) { 313 xo_warnx("malloc %lu bytes", 314 (u_long)sizeof(struct xladdr_entry)); 315 goto out; 316 } 317 xl->xladdr = xladdr; 318 if (prev_xl == NULL) 319 LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); 320 else 321 LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); 322 xl_total++; 323 } 324 325 while (*offset < buflen) { 326 xraddr = (struct xsctp_raddr *)(buf + *offset); 327 *offset += sizeof(struct xsctp_raddr); 328 if (xraddr->last == 1) 329 break; 330 331 prev_xr = xr; 332 xr = malloc(sizeof(struct xraddr_entry)); 333 if (xr == NULL) { 334 xo_warnx("malloc %lu bytes", 335 (u_long)sizeof(struct xraddr_entry)); 336 goto out; 337 } 338 xr->xraddr = xraddr; 339 if (prev_xr == NULL) 340 LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); 341 else 342 LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); 343 xr_total++; 344 } 345 346 /* 347 * Let's print the address infos. 348 */ 349 xo_open_list("address"); 350 xl = LIST_FIRST(&xladdr_head); 351 xr = LIST_FIRST(&xraddr_head); 352 x_max = (xl_total > xr_total) ? xl_total : xr_total; 353 for (i = 0; i < x_max; i++) { 354 xo_open_instance("address"); 355 356 if (((*indent == 0) && i > 0) || *indent > 0) 357 xo_emit("{P:/%-12s} ", " "); 358 359 if (xl != NULL) { 360 sctp_print_address("local", &(xl->xladdr->address), 361 htons(xstcb->local_port), numeric_port); 362 } else { 363 if (Wflag) { 364 xo_emit("{P:/%-45s} ", " "); 365 } else { 366 xo_emit("{P:/%-22s} ", " "); 367 } 368 } 369 370 if (xr != NULL && !Lflag) { 371 sctp_print_address("remote", &(xr->xraddr->address), 372 htons(xstcb->remote_port), numeric_port); 373 } 374 375 if (xl != NULL) 376 xl = LIST_NEXT(xl, xladdr_entries); 377 if (xr != NULL) 378 xr = LIST_NEXT(xr, xraddr_entries); 379 380 if (i == 0 && !Lflag) 381 sctp_statesprint(xstcb->state); 382 383 if (i < x_max) 384 xo_emit("\n"); 385 xo_close_instance("address"); 386 } 387 388 out: 389 /* 390 * Free the list which be used to handle the address. 391 */ 392 xl = LIST_FIRST(&xladdr_head); 393 while (xl != NULL) { 394 xl_tmp = LIST_NEXT(xl, xladdr_entries); 395 free(xl); 396 xl = xl_tmp; 397 } 398 399 xr = LIST_FIRST(&xraddr_head); 400 while (xr != NULL) { 401 xr_tmp = LIST_NEXT(xr, xraddr_entries); 402 free(xr); 403 xr = xr_tmp; 404 } 405 } 406 407 static void 408 sctp_process_inpcb(struct xsctp_inpcb *xinpcb, 409 char *buf, const size_t buflen, size_t *offset) 410 { 411 int indent = 0, xladdr_total = 0, is_listening = 0; 412 static int first = 1; 413 const char *tname, *pname; 414 struct xsctp_tcb *xstcb; 415 struct xsctp_laddr *xladdr; 416 size_t offset_laddr; 417 int process_closed; 418 419 if (xinpcb->maxqlen > 0) 420 is_listening = 1; 421 422 if (first) { 423 if (!Lflag) { 424 xo_emit("Active SCTP associations"); 425 if (aflag) 426 xo_emit(" (including servers)"); 427 } else 428 xo_emit("Current listen queue sizes (qlen/maxqlen)"); 429 xo_emit("\n"); 430 if (Lflag) 431 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-8.8s} " 432 "{T:/%-22.22s}\n", 433 "Proto", "Type", "Listen", "Local Address"); 434 else 435 if (Wflag) 436 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-45.45s} " 437 "{T:/%-45.45s} {T:/%s}\n", 438 "Proto", "Type", 439 "Local Address", "Foreign Address", 440 "(state)"); 441 else 442 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-22.22s} " 443 "{T:/%-22.22s} {T:/%s}\n", 444 "Proto", "Type", 445 "Local Address", "Foreign Address", 446 "(state)"); 447 first = 0; 448 } 449 xladdr = (struct xsctp_laddr *)(buf + *offset); 450 if (Lflag && !is_listening) { 451 sctp_skip_xinpcb_ifneed(buf, buflen, offset); 452 return; 453 } 454 455 if (xinpcb->flags & SCTP_PCB_FLAGS_BOUND_V6) { 456 /* Can't distinguish between sctp46 and sctp6 */ 457 pname = "sctp46"; 458 } else { 459 pname = "sctp4"; 460 } 461 462 if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) 463 tname = "1to1"; 464 else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) 465 tname = "1toN"; 466 else 467 tname = "????"; 468 469 if (Lflag) { 470 char buf1[9]; 471 472 snprintf(buf1, 9, "%hu/%hu", xinpcb->qlen, xinpcb->maxqlen); 473 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 474 pname, tname); 475 xo_emit("{d:queues/%-8.8s}{e:queue-len/%hu}" 476 "{e:max-queue-len/%hu} ", 477 buf1, xinpcb->qlen, xinpcb->maxqlen); 478 } 479 480 offset_laddr = *offset; 481 process_closed = 0; 482 483 xo_open_list("local-address"); 484 retry: 485 while (*offset < buflen) { 486 xladdr = (struct xsctp_laddr *)(buf + *offset); 487 *offset += sizeof(struct xsctp_laddr); 488 if (xladdr->last) { 489 if (aflag && !Lflag && (xladdr_total == 0) && process_closed) { 490 xo_open_instance("local-address"); 491 492 xo_emit("{:protocol/%-6.6s/%s} " 493 "{:type/%-5.5s/%s} ", pname, tname); 494 if (Wflag) { 495 xo_emit("{P:/%-91.91s/%s} " 496 "{:state/CLOSED}", " "); 497 } else { 498 xo_emit("{P:/%-45.45s/%s} " 499 "{:state/CLOSED}", " "); 500 } 501 xo_close_instance("local-address"); 502 } 503 if (process_closed || is_listening) { 504 xo_emit("\n"); 505 } 506 break; 507 } 508 509 if (!Lflag && !is_listening && !process_closed) 510 continue; 511 512 xo_open_instance("local-address"); 513 514 if (xladdr_total == 0) { 515 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 516 pname, tname); 517 } else { 518 xo_emit("\n"); 519 xo_emit(Lflag ? "{P:/%-21.21s} " : "{P:/%-12.12s} ", 520 " "); 521 } 522 sctp_print_address("local", &(xladdr->address), 523 htons(xinpcb->local_port), numeric_port); 524 if (aflag && !Lflag && xladdr_total == 0) { 525 if (Wflag) { 526 if (process_closed) { 527 xo_emit("{P:/%-45.45s} " 528 "{:state/CLOSED}", " "); 529 } else { 530 xo_emit("{P:/%-45.45s} " 531 "{:state:LISTEN}", " "); 532 } 533 } else { 534 if (process_closed) { 535 xo_emit("{P:/%-22.22s} " 536 "{:state/CLOSED}", " "); 537 } else { 538 xo_emit("{P:/%-22.22s} " 539 "{:state/LISTEN}", " "); 540 } 541 } 542 } 543 xladdr_total++; 544 xo_close_instance("local-address"); 545 } 546 547 xstcb = (struct xsctp_tcb *)(buf + *offset); 548 *offset += sizeof(struct xsctp_tcb); 549 if (aflag && (xladdr_total == 0) && xstcb->last && !process_closed) { 550 process_closed = 1; 551 *offset = offset_laddr; 552 goto retry; 553 } 554 while (xstcb->last == 0 && *offset < buflen) { 555 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 556 pname, tname); 557 sctp_process_tcb(xstcb, buf, buflen, offset, &indent); 558 indent++; 559 xstcb = (struct xsctp_tcb *)(buf + *offset); 560 *offset += sizeof(struct xsctp_tcb); 561 } 562 563 xo_close_list("local-address"); 564 } 565 566 /* 567 * Print a summary of SCTP connections related to an Internet 568 * protocol. 569 */ 570 void 571 sctp_protopr(u_long off __unused, 572 const char *name __unused, int af1 __unused, int proto) 573 { 574 char *buf; 575 const char *mibvar = "net.inet.sctp.assoclist"; 576 size_t offset = 0; 577 size_t len = 0; 578 struct xsctp_inpcb *xinpcb; 579 580 if (proto != IPPROTO_SCTP) 581 return; 582 583 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 584 if (errno != ENOENT) 585 xo_warn("sysctl: %s", mibvar); 586 return; 587 } 588 if ((buf = malloc(len)) == 0) { 589 xo_warnx("malloc %lu bytes", (u_long)len); 590 return; 591 } 592 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 593 xo_warn("sysctl: %s", mibvar); 594 free(buf); 595 return; 596 } 597 598 xinpcb = (struct xsctp_inpcb *)(buf + offset); 599 offset += sizeof(struct xsctp_inpcb); 600 while (xinpcb->last == 0 && offset < len) { 601 sctp_process_inpcb(xinpcb, buf, (const size_t)len, 602 &offset); 603 604 xinpcb = (struct xsctp_inpcb *)(buf + offset); 605 offset += sizeof(struct xsctp_inpcb); 606 } 607 608 free(buf); 609 } 610 611 static void 612 sctp_statesprint(uint32_t state) 613 { 614 int idx; 615 616 switch (state) { 617 case SCTP_CLOSED: 618 idx = NETSTAT_SCTP_STATES_CLOSED; 619 break; 620 case SCTP_BOUND: 621 idx = NETSTAT_SCTP_STATES_BOUND; 622 break; 623 case SCTP_LISTEN: 624 idx = NETSTAT_SCTP_STATES_LISTEN; 625 break; 626 case SCTP_COOKIE_WAIT: 627 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 628 break; 629 case SCTP_COOKIE_ECHOED: 630 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 631 break; 632 case SCTP_ESTABLISHED: 633 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 634 break; 635 case SCTP_SHUTDOWN_SENT: 636 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 637 break; 638 case SCTP_SHUTDOWN_RECEIVED: 639 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 640 break; 641 case SCTP_SHUTDOWN_ACK_SENT: 642 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 643 break; 644 case SCTP_SHUTDOWN_PENDING: 645 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 646 break; 647 default: 648 xo_emit("UNKNOWN {:state/0x%08x}", state); 649 return; 650 } 651 652 xo_emit("{:state/%s}", sctpstates[idx]); 653 } 654 655 /* 656 * Dump SCTP statistics structure. 657 */ 658 void 659 sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 660 { 661 struct sctpstat sctpstat; 662 663 if (fetch_stats("net.inet.sctp.stats", off, &sctpstat, 664 sizeof(sctpstat), kread) != 0) 665 return; 666 667 xo_open_container(name); 668 xo_emit("{T:/%s}:\n", name); 669 670 #define p(f, m) if (sctpstat.f || sflag <= 1) \ 671 xo_emit(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 672 #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 673 xo_emit(m, (uintmax_t)sctpstat.f) 674 675 /* 676 * input statistics 677 */ 678 p(sctps_recvpackets, "\t{:received-packets/%ju} " 679 "{N:/input packet%s}\n"); 680 p(sctps_recvdatagrams, "\t\t{:received-datagrams/%ju} " 681 "{N:/datagram%s}\n"); 682 p(sctps_recvpktwithdata, "\t\t{:received-with-data/%ju} " 683 "{N:/packet%s that had data}\n"); 684 p(sctps_recvsacks, "\t\t{:received-sack-chunks/%ju} " 685 "{N:/input SACK chunk%s}\n"); 686 p(sctps_recvdata, "\t\t{:received-data-chunks/%ju} " 687 "{N:/input DATA chunk%s}\n"); 688 p(sctps_recvdupdata, "\t\t{:received-duplicate-data-chunks/%ju} " 689 "{N:/duplicate DATA chunk%s}\n"); 690 p(sctps_recvheartbeat, "\t\t{:received-hb-chunks/%ju} " 691 "{N:/input HB chunk%s}\n"); 692 p(sctps_recvheartbeatack, "\t\t{:received-hb-ack-chunks/%ju} " 693 "{N:/HB-ACK chunk%s}\n"); 694 p(sctps_recvecne, "\t\t{:received-ecne-chunks/%ju} " 695 "{N:/input ECNE chunk%s}\n"); 696 p(sctps_recvauth, "\t\t{:received-auth-chunks/%ju} " 697 "{N:/input AUTH chunk%s}\n"); 698 p(sctps_recvauthmissing, "\t\t{:dropped-missing-auth/%ju} " 699 "{N:/chunk%s missing AUTH}\n"); 700 p(sctps_recvivalhmacid, "\t\t{:dropped-invalid-hmac/%ju} " 701 "{N:/invalid HMAC id%s received}\n"); 702 p(sctps_recvivalkeyid, "\t\t{:dropped-invalid-secret/%ju} " 703 "{N:/invalid secret id%s received}\n"); 704 p1a(sctps_recvauthfailed, "\t\t{:dropped-auth-failed/%ju} " 705 "{N:/auth failed}\n"); 706 p1a(sctps_recvexpress, "\t\t{:received-fast-path/%ju} " 707 "{N:/fast path receives all one chunk}\n"); 708 p1a(sctps_recvexpressm, "\t\t{:receives-fast-path-multipart/%ju} " 709 "{N:/fast path multi-part data}\n"); 710 711 /* 712 * output statistics 713 */ 714 p(sctps_sendpackets, "\t{:sent-packets/%ju} " 715 "{N:/output packet%s}\n"); 716 p(sctps_sendsacks, "\t\t{:sent-sacks/%ju} " 717 "{N:/output SACK%s}\n"); 718 p(sctps_senddata, "\t\t{:sent-data-chunks/%ju} " 719 "{N:/output DATA chunk%s}\n"); 720 p(sctps_sendretransdata, "\t\t{:sent-retransmitted-data-chunks/%ju} " 721 "{N:/retransmitted DATA chunk%s}\n"); 722 p(sctps_sendfastretrans, "\t\t" 723 "{:sent-fast-retransmitted-data-chunks/%ju} " 724 "{N:/fast retransmitted DATA chunk%s}\n"); 725 p(sctps_sendmultfastretrans, "\t\t" 726 "{:sent-fast-retransmitted-data-chunk-multiple-times/%ju} " 727 "{N:/FR'%s that happened more than once to same chunk}\n"); 728 p(sctps_sendheartbeat, "\t\t{:sent-hb-chunks/%ju} " 729 "{N:/output HB chunk%s}\n"); 730 p(sctps_sendecne, "\t\t{:sent-ecne-chunks/%ju} " 731 "{N:/output ECNE chunk%s}\n"); 732 p(sctps_sendauth, "\t\t{:sent-auth-chunks/%ju} " 733 "{N:/output AUTH chunk%s}\n"); 734 p1a(sctps_senderrors, "\t\t{:send-errors/%ju} " 735 "{N:/ip_output error counter}\n"); 736 737 /* 738 * PCKDROPREP statistics 739 */ 740 xo_emit("\t{T:Packet drop statistics}:\n"); 741 xo_open_container("drop-statistics"); 742 p1a(sctps_pdrpfmbox, "\t\t{:middle-box/%ju} " 743 "{N:/from middle box}\n"); 744 p1a(sctps_pdrpfehos, "\t\t{:end-host/%ju} " 745 "{N:/from end host}\n"); 746 p1a(sctps_pdrpmbda, "\t\t{:with-data/%ju} " 747 "{N:/with data}\n"); 748 p1a(sctps_pdrpmbct, "\t\t{:non-data/%ju} " 749 "{N:/non-data, non-endhost}\n"); 750 p1a(sctps_pdrpbwrpt, "\t\t{:non-endhost/%ju} " 751 "{N:/non-endhost, bandwidth rep only}\n"); 752 p1a(sctps_pdrpcrupt, "\t\t{:short-header/%ju} " 753 "{N:/not enough for chunk header}\n"); 754 p1a(sctps_pdrpnedat, "\t\t{:short-data/%ju} " 755 "{N:/not enough data to confirm}\n"); 756 p1a(sctps_pdrppdbrk, "\t\t{:chunk-break/%ju} " 757 "{N:/where process_chunk_drop said break}\n"); 758 p1a(sctps_pdrptsnnf, "\t\t{:tsn-not-found/%ju} " 759 "{N:/failed to find TSN}\n"); 760 p1a(sctps_pdrpdnfnd, "\t\t{:reverse-tsn/%ju} " 761 "{N:/attempt reverse TSN lookup}\n"); 762 p1a(sctps_pdrpdiwnp, "\t\t{:confirmed-zero-window/%ju} " 763 "{N:/e-host confirms zero-rwnd}\n"); 764 p1a(sctps_pdrpdizrw, "\t\t{:middle-box-no-space/%ju} " 765 "{N:/midbox confirms no space}\n"); 766 p1a(sctps_pdrpbadd, "\t\t{:bad-data/%ju} " 767 "{N:/data did not match TSN}\n"); 768 p(sctps_pdrpmark, "\t\t{:tsn-marked-fast-retransmission/%ju} " 769 "{N:/TSN'%s marked for Fast Retran}\n"); 770 xo_close_container("drop-statistics"); 771 772 /* 773 * Timeouts 774 */ 775 xo_emit("\t{T:Timeouts}:\n"); 776 xo_open_container("timeouts"); 777 p(sctps_timoiterator, "\t\t{:iterator/%ju} " 778 "{N:/iterator timer%s fired}\n"); 779 p(sctps_timodata, "\t\t{:t3-data/%ju} " 780 "{N:/T3 data time out%s}\n"); 781 p(sctps_timowindowprobe, "\t\t{:window-probe/%ju} " 782 "{N:/window probe (T3) timer%s fired}\n"); 783 p(sctps_timoinit, "\t\t{:init-timer/%ju} " 784 "{N:/INIT timer%s fired}\n"); 785 p(sctps_timosack, "\t\t{:sack-timer/%ju} " 786 "{N:/sack timer%s fired}\n"); 787 p(sctps_timoshutdown, "\t\t{:shutdown-timer/%ju} " 788 "{N:/shutdown timer%s fired}\n"); 789 p(sctps_timoheartbeat, "\t\t{:heartbeat-timer/%ju} " 790 "{N:/heartbeat timer%s fired}\n"); 791 p1a(sctps_timocookie, "\t\t{:cookie-timer/%ju} " 792 "{N:/a cookie timeout fired}\n"); 793 p1a(sctps_timosecret, "\t\t{:endpoint-changed-cookie/%ju} " 794 "{N:/an endpoint changed its cook}ie" 795 "secret\n"); 796 p(sctps_timopathmtu, "\t\t{:pmtu-timer/%ju} " 797 "{N:/PMTU timer%s fired}\n"); 798 p(sctps_timoshutdownack, "\t\t{:shutdown-timer/%ju} " 799 "{N:/shutdown ack timer%s fired}\n"); 800 p(sctps_timoshutdownguard, "\t\t{:shutdown-guard-timer/%ju} " 801 "{N:/shutdown guard timer%s fired}\n"); 802 p(sctps_timostrmrst, "\t\t{:stream-reset-timer/%ju} " 803 "{N:/stream reset timer%s fired}\n"); 804 p(sctps_timoearlyfr, "\t\t{:early-fast-retransmission-timer/%ju} " 805 "{N:/early FR timer%s fired}\n"); 806 p1a(sctps_timoasconf, "\t\t{:asconf-timer/%ju} " 807 "{N:/an asconf timer fired}\n"); 808 p1a(sctps_timoautoclose, "\t\t{:auto-close-timer/%ju} " 809 "{N:/auto close timer fired}\n"); 810 p(sctps_timoassockill, "\t\t{:asoc-free-timer/%ju} " 811 "{N:/asoc free timer%s expired}\n"); 812 p(sctps_timoinpkill, "\t\t{:input-free-timer/%ju} " 813 "{N:/inp free timer%s expired}\n"); 814 xo_close_container("timeouts"); 815 816 #if 0 817 /* 818 * Early fast retransmission counters 819 */ 820 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 821 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 822 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 823 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 824 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 825 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 826 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 827 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 828 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 829 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 830 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 831 #endif 832 833 /* 834 * Others 835 */ 836 p1a(sctps_hdrops, "\t{:dropped-too-short/%ju} " 837 "{N:/packet shorter than header}\n"); 838 p1a(sctps_badsum, "\t{:dropped-bad-checksum/%ju} " 839 "{N:/checksum error}\n"); 840 p1a(sctps_noport, "\t{:dropped-no-endpoint/%ju} " 841 "{N:/no endpoint for port}\n"); 842 p1a(sctps_badvtag, "\t{:dropped-bad-v-tag/%ju} " 843 "{N:/bad v-tag}\n"); 844 p1a(sctps_badsid, "\t{:dropped-bad-sid/%ju} " 845 "{N:/bad SID}\n"); 846 p1a(sctps_nomem, "\t{:dropped-no-memory/%ju} " 847 "{N:/no memory}\n"); 848 p1a(sctps_fastretransinrtt, "\t{:multiple-fast-retransmits-in-rtt/%ju} " 849 "{N:/number of multiple FR in a RT}T window\n"); 850 #if 0 851 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 852 #endif 853 p1a(sctps_naglesent, "\t{:rfc813-sent/%ju} " 854 "{N:/RFC813 allowed sending}\n"); 855 p1a(sctps_naglequeued, "\t{:rfc813-queued/%ju} " 856 "{N:/RFC813 does not allow sending}\n"); 857 p1a(sctps_maxburstqueued, "\t{:max-burst-queued/%ju} " 858 "{N:/times max burst prohibited sending}\n"); 859 p1a(sctps_ifnomemqueued, "\t{:no-memory-in-interface/%ju} " 860 "{N:/look ahead tells us no memory in interface}\n"); 861 p(sctps_windowprobed, "\t{:sent-window-probes/%ju} " 862 "{N:/number%s of window probes sent}\n"); 863 p(sctps_lowlevelerr, "\t{:low-level-err/%ju} " 864 "{N:/time%s an output error to clamp down on next user send}\n"); 865 p(sctps_lowlevelerrusr, "\t{:low-level-user-error/%ju} " 866 "{N:/time%s sctp_senderrors were caused from a user}\n"); 867 p(sctps_datadropchklmt, "\t{:dropped-chunk-limit/%ju} " 868 "{N:/number of in data drop%s due to chunk limit reached}\n"); 869 p(sctps_datadroprwnd, "\t{:dropped-rwnd-limit/%ju} " 870 "{N:/number of in data drop%s due to rwnd limit reached}\n"); 871 p(sctps_ecnereducedcwnd, "\t{:ecn-reduced-cwnd/%ju} " 872 "{N:/time%s a ECN reduced the cwnd}\n"); 873 p1a(sctps_vtagexpress, "\t{:v-tag-express-lookup/%ju} " 874 "{N:/used express lookup via vtag}\n"); 875 p1a(sctps_vtagbogus, "\t{:v-tag-collision/%ju} " 876 "{N:/collision in express lookup}\n"); 877 p(sctps_primary_randry, "\t{:sender-ran-dry/%ju} " 878 "{N:/time%s the sender ran dry of user data on primary}\n"); 879 p1a(sctps_cmt_randry, "\t{:cmt-ran-dry/%ju} " 880 "{N:/same for above}\n"); 881 p(sctps_slowpath_sack, "\t{:slow-path-sack/%ju} " 882 "{N:/sack%s the slow way}\n"); 883 p(sctps_wu_sacks_sent, "\t{:sent-window-update-only-sack/%ju} " 884 "{N:/window update only sack%s sent}\n"); 885 p(sctps_sends_with_flags, "\t{:sent-with-sinfo/%ju} " 886 "{N:/send%s with sinfo_flags !=0}\n"); 887 p(sctps_sends_with_unord, "\t{:sent-with-unordered/%ju} " 888 "{N:/unordered send%s}\n"); 889 p(sctps_sends_with_eof, "\t{:sent-with-eof/%ju} " 890 "{N:/send%s with EOF flag set}\n"); 891 p(sctps_sends_with_abort, "\t{:sent-with-abort/%ju} " 892 "{N:/send%s with ABORT flag set}\n"); 893 p(sctps_protocol_drain_calls, "\t{:protocol-drain-called/%ju} " 894 "{N:/time%s protocol drain called}\n"); 895 p(sctps_protocol_drains_done, "\t{:protocol-drain/%ju} " 896 "{N:/time%s we did a protocol drain}\n"); 897 p(sctps_read_peeks, "\t{:read-with-peek/%ju} " 898 "{N:/time%s recv was called with peek}\n"); 899 p(sctps_cached_chk, "\t{:cached-chunks/%ju} " 900 "{N:/cached chunk%s used}\n"); 901 p1a(sctps_cached_strmoq, "\t{:cached-output-queue-used/%ju} " 902 "{N:/cached stream oq's used}\n"); 903 p(sctps_left_abandon, "\t{:messages-abandoned/%ju} " 904 "{N:/unread message%s abandonded by close}\n"); 905 p1a(sctps_send_burst_avoid, "\t{:send-burst-avoidance/%ju} " 906 "{N:/send burst avoidance, already max burst inflight to net}\n"); 907 p1a(sctps_send_cwnd_avoid, "\t{:send-cwnd-avoidance/%ju} " 908 "{N:/send cwnd full avoidance, already max burst inflight " 909 "to net}\n"); 910 p(sctps_fwdtsn_map_over, "\t{:tsn-map-overruns/%ju} " 911 "{N:/number of map array over-run%s via fwd-tsn's}\n"); 912 913 #undef p 914 #undef p1a 915 xo_close_container(name); 916 } 917 918 #endif /* SCTP */ 919