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 == NULL) { 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 = MAX(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[22]; 471 472 snprintf(buf1, sizeof buf1, "%u/%u", 473 xinpcb->qlen, xinpcb->maxqlen); 474 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 475 pname, tname); 476 xo_emit("{d:queues/%-8.8s}{e:queue-len/%hu}" 477 "{e:max-queue-len/%hu} ", 478 buf1, xinpcb->qlen, xinpcb->maxqlen); 479 } 480 481 offset_laddr = *offset; 482 process_closed = 0; 483 484 xo_open_list("local-address"); 485 retry: 486 while (*offset < buflen) { 487 xladdr = (struct xsctp_laddr *)(buf + *offset); 488 *offset += sizeof(struct xsctp_laddr); 489 if (xladdr->last) { 490 if (aflag && !Lflag && (xladdr_total == 0) && process_closed) { 491 xo_open_instance("local-address"); 492 493 xo_emit("{:protocol/%-6.6s/%s} " 494 "{:type/%-5.5s/%s} ", pname, tname); 495 if (Wflag) { 496 xo_emit("{P:/%-91.91s/%s} " 497 "{:state/CLOSED}", " "); 498 } else { 499 xo_emit("{P:/%-45.45s/%s} " 500 "{:state/CLOSED}", " "); 501 } 502 xo_close_instance("local-address"); 503 } 504 if (process_closed || is_listening) { 505 xo_emit("\n"); 506 } 507 break; 508 } 509 510 if (!Lflag && !is_listening && !process_closed) 511 continue; 512 513 xo_open_instance("local-address"); 514 515 if (xladdr_total == 0) { 516 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 517 pname, tname); 518 } else { 519 xo_emit("\n"); 520 xo_emit(Lflag ? "{P:/%-21.21s} " : "{P:/%-12.12s} ", 521 " "); 522 } 523 sctp_print_address("local", &(xladdr->address), 524 htons(xinpcb->local_port), numeric_port); 525 if (aflag && !Lflag && xladdr_total == 0) { 526 if (Wflag) { 527 if (process_closed) { 528 xo_emit("{P:/%-45.45s} " 529 "{:state/CLOSED}", " "); 530 } else { 531 xo_emit("{P:/%-45.45s} " 532 "{:state:LISTEN}", " "); 533 } 534 } else { 535 if (process_closed) { 536 xo_emit("{P:/%-22.22s} " 537 "{:state/CLOSED}", " "); 538 } else { 539 xo_emit("{P:/%-22.22s} " 540 "{:state/LISTEN}", " "); 541 } 542 } 543 } 544 xladdr_total++; 545 xo_close_instance("local-address"); 546 } 547 548 xstcb = (struct xsctp_tcb *)(buf + *offset); 549 *offset += sizeof(struct xsctp_tcb); 550 if (aflag && (xladdr_total == 0) && xstcb->last && !process_closed) { 551 process_closed = 1; 552 *offset = offset_laddr; 553 goto retry; 554 } 555 while (xstcb->last == 0 && *offset < buflen) { 556 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 557 pname, tname); 558 sctp_process_tcb(xstcb, buf, buflen, offset, &indent); 559 indent++; 560 xstcb = (struct xsctp_tcb *)(buf + *offset); 561 *offset += sizeof(struct xsctp_tcb); 562 } 563 564 xo_close_list("local-address"); 565 } 566 567 /* 568 * Print a summary of SCTP connections related to an Internet 569 * protocol. 570 */ 571 void 572 sctp_protopr(u_long off __unused, 573 const char *name __unused, int af1 __unused, int proto) 574 { 575 char *buf; 576 const char *mibvar = "net.inet.sctp.assoclist"; 577 size_t offset = 0; 578 size_t len = 0; 579 struct xsctp_inpcb *xinpcb; 580 581 if (proto != IPPROTO_SCTP) 582 return; 583 584 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 585 if (errno != ENOENT) 586 xo_warn("sysctl: %s", mibvar); 587 return; 588 } 589 if ((buf = malloc(len)) == NULL) { 590 xo_warnx("malloc %lu bytes", (u_long)len); 591 return; 592 } 593 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 594 xo_warn("sysctl: %s", mibvar); 595 free(buf); 596 return; 597 } 598 599 xinpcb = (struct xsctp_inpcb *)(buf + offset); 600 offset += sizeof(struct xsctp_inpcb); 601 while (xinpcb->last == 0 && offset < len) { 602 sctp_process_inpcb(xinpcb, buf, (const size_t)len, 603 &offset); 604 605 xinpcb = (struct xsctp_inpcb *)(buf + offset); 606 offset += sizeof(struct xsctp_inpcb); 607 } 608 609 free(buf); 610 } 611 612 static void 613 sctp_statesprint(uint32_t state) 614 { 615 int idx; 616 617 switch (state) { 618 case SCTP_CLOSED: 619 idx = NETSTAT_SCTP_STATES_CLOSED; 620 break; 621 case SCTP_BOUND: 622 idx = NETSTAT_SCTP_STATES_BOUND; 623 break; 624 case SCTP_LISTEN: 625 idx = NETSTAT_SCTP_STATES_LISTEN; 626 break; 627 case SCTP_COOKIE_WAIT: 628 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 629 break; 630 case SCTP_COOKIE_ECHOED: 631 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 632 break; 633 case SCTP_ESTABLISHED: 634 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 635 break; 636 case SCTP_SHUTDOWN_SENT: 637 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 638 break; 639 case SCTP_SHUTDOWN_RECEIVED: 640 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 641 break; 642 case SCTP_SHUTDOWN_ACK_SENT: 643 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 644 break; 645 case SCTP_SHUTDOWN_PENDING: 646 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 647 break; 648 default: 649 xo_emit("UNKNOWN {:state/0x%08x}", state); 650 return; 651 } 652 653 xo_emit("{:state/%s}", sctpstates[idx]); 654 } 655 656 /* 657 * Dump SCTP statistics structure. 658 */ 659 void 660 sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 661 { 662 struct sctpstat sctpstat; 663 664 if (fetch_stats("net.inet.sctp.stats", off, &sctpstat, 665 sizeof(sctpstat), kread) != 0) 666 return; 667 668 xo_open_container(name); 669 xo_emit("{T:/%s}:\n", name); 670 671 #define p(f, m) if (sctpstat.f || sflag <= 1) \ 672 xo_emit(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 673 #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 674 xo_emit(m, (uintmax_t)sctpstat.f) 675 676 /* 677 * input statistics 678 */ 679 p(sctps_recvpackets, "\t{:received-packets/%ju} " 680 "{N:/input packet%s}\n"); 681 p(sctps_recvdatagrams, "\t\t{:received-datagrams/%ju} " 682 "{N:/datagram%s}\n"); 683 p(sctps_recvpktwithdata, "\t\t{:received-with-data/%ju} " 684 "{N:/packet%s that had data}\n"); 685 p(sctps_recvsacks, "\t\t{:received-sack-chunks/%ju} " 686 "{N:/input SACK chunk%s}\n"); 687 p(sctps_recvdata, "\t\t{:received-data-chunks/%ju} " 688 "{N:/input DATA chunk%s}\n"); 689 p(sctps_recvdupdata, "\t\t{:received-duplicate-data-chunks/%ju} " 690 "{N:/duplicate DATA chunk%s}\n"); 691 p(sctps_recvheartbeat, "\t\t{:received-hb-chunks/%ju} " 692 "{N:/input HB chunk%s}\n"); 693 p(sctps_recvheartbeatack, "\t\t{:received-hb-ack-chunks/%ju} " 694 "{N:/HB-ACK chunk%s}\n"); 695 p(sctps_recvecne, "\t\t{:received-ecne-chunks/%ju} " 696 "{N:/input ECNE chunk%s}\n"); 697 p(sctps_recvauth, "\t\t{:received-auth-chunks/%ju} " 698 "{N:/input AUTH chunk%s}\n"); 699 p(sctps_recvauthmissing, "\t\t{:dropped-missing-auth/%ju} " 700 "{N:/chunk%s missing AUTH}\n"); 701 p(sctps_recvivalhmacid, "\t\t{:dropped-invalid-hmac/%ju} " 702 "{N:/invalid HMAC id%s received}\n"); 703 p(sctps_recvivalkeyid, "\t\t{:dropped-invalid-secret/%ju} " 704 "{N:/invalid secret id%s received}\n"); 705 p1a(sctps_recvauthfailed, "\t\t{:dropped-auth-failed/%ju} " 706 "{N:/auth failed}\n"); 707 p1a(sctps_recvexpress, "\t\t{:received-fast-path/%ju} " 708 "{N:/fast path receives all one chunk}\n"); 709 p1a(sctps_recvexpressm, "\t\t{:receives-fast-path-multipart/%ju} " 710 "{N:/fast path multi-part data}\n"); 711 712 /* 713 * output statistics 714 */ 715 p(sctps_sendpackets, "\t{:sent-packets/%ju} " 716 "{N:/output packet%s}\n"); 717 p(sctps_sendsacks, "\t\t{:sent-sacks/%ju} " 718 "{N:/output SACK%s}\n"); 719 p(sctps_senddata, "\t\t{:sent-data-chunks/%ju} " 720 "{N:/output DATA chunk%s}\n"); 721 p(sctps_sendretransdata, "\t\t{:sent-retransmitted-data-chunks/%ju} " 722 "{N:/retransmitted DATA chunk%s}\n"); 723 p(sctps_sendfastretrans, "\t\t" 724 "{:sent-fast-retransmitted-data-chunks/%ju} " 725 "{N:/fast retransmitted DATA chunk%s}\n"); 726 p(sctps_sendmultfastretrans, "\t\t" 727 "{:sent-fast-retransmitted-data-chunk-multiple-times/%ju} " 728 "{N:/FR'%s that happened more than once to same chunk}\n"); 729 p(sctps_sendheartbeat, "\t\t{:sent-hb-chunks/%ju} " 730 "{N:/output HB chunk%s}\n"); 731 p(sctps_sendecne, "\t\t{:sent-ecne-chunks/%ju} " 732 "{N:/output ECNE chunk%s}\n"); 733 p(sctps_sendauth, "\t\t{:sent-auth-chunks/%ju} " 734 "{N:/output AUTH chunk%s}\n"); 735 p1a(sctps_senderrors, "\t\t{:send-errors/%ju} " 736 "{N:/ip_output error counter}\n"); 737 738 /* 739 * PCKDROPREP statistics 740 */ 741 xo_emit("\t{T:Packet drop statistics}:\n"); 742 xo_open_container("drop-statistics"); 743 p1a(sctps_pdrpfmbox, "\t\t{:middle-box/%ju} " 744 "{N:/from middle box}\n"); 745 p1a(sctps_pdrpfehos, "\t\t{:end-host/%ju} " 746 "{N:/from end host}\n"); 747 p1a(sctps_pdrpmbda, "\t\t{:with-data/%ju} " 748 "{N:/with data}\n"); 749 p1a(sctps_pdrpmbct, "\t\t{:non-data/%ju} " 750 "{N:/non-data, non-endhost}\n"); 751 p1a(sctps_pdrpbwrpt, "\t\t{:non-endhost/%ju} " 752 "{N:/non-endhost, bandwidth rep only}\n"); 753 p1a(sctps_pdrpcrupt, "\t\t{:short-header/%ju} " 754 "{N:/not enough for chunk header}\n"); 755 p1a(sctps_pdrpnedat, "\t\t{:short-data/%ju} " 756 "{N:/not enough data to confirm}\n"); 757 p1a(sctps_pdrppdbrk, "\t\t{:chunk-break/%ju} " 758 "{N:/where process_chunk_drop said break}\n"); 759 p1a(sctps_pdrptsnnf, "\t\t{:tsn-not-found/%ju} " 760 "{N:/failed to find TSN}\n"); 761 p1a(sctps_pdrpdnfnd, "\t\t{:reverse-tsn/%ju} " 762 "{N:/attempt reverse TSN lookup}\n"); 763 p1a(sctps_pdrpdiwnp, "\t\t{:confirmed-zero-window/%ju} " 764 "{N:/e-host confirms zero-rwnd}\n"); 765 p1a(sctps_pdrpdizrw, "\t\t{:middle-box-no-space/%ju} " 766 "{N:/midbox confirms no space}\n"); 767 p1a(sctps_pdrpbadd, "\t\t{:bad-data/%ju} " 768 "{N:/data did not match TSN}\n"); 769 p(sctps_pdrpmark, "\t\t{:tsn-marked-fast-retransmission/%ju} " 770 "{N:/TSN'%s marked for Fast Retran}\n"); 771 xo_close_container("drop-statistics"); 772 773 /* 774 * Timeouts 775 */ 776 xo_emit("\t{T:Timeouts}:\n"); 777 xo_open_container("timeouts"); 778 p(sctps_timoiterator, "\t\t{:iterator/%ju} " 779 "{N:/iterator timer%s fired}\n"); 780 p(sctps_timodata, "\t\t{:t3-data/%ju} " 781 "{N:/T3 data time out%s}\n"); 782 p(sctps_timowindowprobe, "\t\t{:window-probe/%ju} " 783 "{N:/window probe (T3) timer%s fired}\n"); 784 p(sctps_timoinit, "\t\t{:init-timer/%ju} " 785 "{N:/INIT timer%s fired}\n"); 786 p(sctps_timosack, "\t\t{:sack-timer/%ju} " 787 "{N:/sack timer%s fired}\n"); 788 p(sctps_timoshutdown, "\t\t{:shutdown-timer/%ju} " 789 "{N:/shutdown timer%s fired}\n"); 790 p(sctps_timoheartbeat, "\t\t{:heartbeat-timer/%ju} " 791 "{N:/heartbeat timer%s fired}\n"); 792 p1a(sctps_timocookie, "\t\t{:cookie-timer/%ju} " 793 "{N:/a cookie timeout fired}\n"); 794 p1a(sctps_timosecret, "\t\t{:endpoint-changed-cookie/%ju} " 795 "{N:/an endpoint changed its cook}ie" 796 "secret\n"); 797 p(sctps_timopathmtu, "\t\t{:pmtu-timer/%ju} " 798 "{N:/PMTU timer%s fired}\n"); 799 p(sctps_timoshutdownack, "\t\t{:shutdown-timer/%ju} " 800 "{N:/shutdown ack timer%s fired}\n"); 801 p(sctps_timoshutdownguard, "\t\t{:shutdown-guard-timer/%ju} " 802 "{N:/shutdown guard timer%s fired}\n"); 803 p(sctps_timostrmrst, "\t\t{:stream-reset-timer/%ju} " 804 "{N:/stream reset timer%s fired}\n"); 805 p(sctps_timoearlyfr, "\t\t{:early-fast-retransmission-timer/%ju} " 806 "{N:/early FR timer%s fired}\n"); 807 p1a(sctps_timoasconf, "\t\t{:asconf-timer/%ju} " 808 "{N:/an asconf timer fired}\n"); 809 p1a(sctps_timoautoclose, "\t\t{:auto-close-timer/%ju} " 810 "{N:/auto close timer fired}\n"); 811 p(sctps_timoassockill, "\t\t{:asoc-free-timer/%ju} " 812 "{N:/asoc free timer%s expired}\n"); 813 p(sctps_timoinpkill, "\t\t{:input-free-timer/%ju} " 814 "{N:/inp free timer%s expired}\n"); 815 xo_close_container("timeouts"); 816 817 #if 0 818 /* 819 * Early fast retransmission counters 820 */ 821 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 822 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 823 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 824 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 825 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 826 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 827 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 828 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 829 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 830 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 831 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 832 #endif 833 834 /* 835 * Others 836 */ 837 p1a(sctps_hdrops, "\t{:dropped-too-short/%ju} " 838 "{N:/packet shorter than header}\n"); 839 p1a(sctps_badsum, "\t{:dropped-bad-checksum/%ju} " 840 "{N:/checksum error}\n"); 841 p1a(sctps_noport, "\t{:dropped-no-endpoint/%ju} " 842 "{N:/no endpoint for port}\n"); 843 p1a(sctps_badvtag, "\t{:dropped-bad-v-tag/%ju} " 844 "{N:/bad v-tag}\n"); 845 p1a(sctps_badsid, "\t{:dropped-bad-sid/%ju} " 846 "{N:/bad SID}\n"); 847 p1a(sctps_nomem, "\t{:dropped-no-memory/%ju} " 848 "{N:/no memory}\n"); 849 p1a(sctps_fastretransinrtt, "\t{:multiple-fast-retransmits-in-rtt/%ju} " 850 "{N:/number of multiple FR in a RT}T window\n"); 851 #if 0 852 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 853 #endif 854 p1a(sctps_naglesent, "\t{:rfc813-sent/%ju} " 855 "{N:/RFC813 allowed sending}\n"); 856 p1a(sctps_naglequeued, "\t{:rfc813-queued/%ju} " 857 "{N:/RFC813 does not allow sending}\n"); 858 p1a(sctps_maxburstqueued, "\t{:max-burst-queued/%ju} " 859 "{N:/times max burst prohibited sending}\n"); 860 p1a(sctps_ifnomemqueued, "\t{:no-memory-in-interface/%ju} " 861 "{N:/look ahead tells us no memory in interface}\n"); 862 p(sctps_windowprobed, "\t{:sent-window-probes/%ju} " 863 "{N:/number%s of window probes sent}\n"); 864 p(sctps_lowlevelerr, "\t{:low-level-err/%ju} " 865 "{N:/time%s an output error to clamp down on next user send}\n"); 866 p(sctps_lowlevelerrusr, "\t{:low-level-user-error/%ju} " 867 "{N:/time%s sctp_senderrors were caused from a user}\n"); 868 p(sctps_datadropchklmt, "\t{:dropped-chunk-limit/%ju} " 869 "{N:/number of in data drop%s due to chunk limit reached}\n"); 870 p(sctps_datadroprwnd, "\t{:dropped-rwnd-limit/%ju} " 871 "{N:/number of in data drop%s due to rwnd limit reached}\n"); 872 p(sctps_ecnereducedcwnd, "\t{:ecn-reduced-cwnd/%ju} " 873 "{N:/time%s a ECN reduced the cwnd}\n"); 874 p1a(sctps_vtagexpress, "\t{:v-tag-express-lookup/%ju} " 875 "{N:/used express lookup via vtag}\n"); 876 p1a(sctps_vtagbogus, "\t{:v-tag-collision/%ju} " 877 "{N:/collision in express lookup}\n"); 878 p(sctps_primary_randry, "\t{:sender-ran-dry/%ju} " 879 "{N:/time%s the sender ran dry of user data on primary}\n"); 880 p1a(sctps_cmt_randry, "\t{:cmt-ran-dry/%ju} " 881 "{N:/same for above}\n"); 882 p(sctps_slowpath_sack, "\t{:slow-path-sack/%ju} " 883 "{N:/sack%s the slow way}\n"); 884 p(sctps_wu_sacks_sent, "\t{:sent-window-update-only-sack/%ju} " 885 "{N:/window update only sack%s sent}\n"); 886 p(sctps_sends_with_flags, "\t{:sent-with-sinfo/%ju} " 887 "{N:/send%s with sinfo_flags !=0}\n"); 888 p(sctps_sends_with_unord, "\t{:sent-with-unordered/%ju} " 889 "{N:/unordered send%s}\n"); 890 p(sctps_sends_with_eof, "\t{:sent-with-eof/%ju} " 891 "{N:/send%s with EOF flag set}\n"); 892 p(sctps_sends_with_abort, "\t{:sent-with-abort/%ju} " 893 "{N:/send%s with ABORT flag set}\n"); 894 p(sctps_protocol_drain_calls, "\t{:protocol-drain-called/%ju} " 895 "{N:/time%s protocol drain called}\n"); 896 p(sctps_protocol_drains_done, "\t{:protocol-drain/%ju} " 897 "{N:/time%s we did a protocol drain}\n"); 898 p(sctps_read_peeks, "\t{:read-with-peek/%ju} " 899 "{N:/time%s recv was called with peek}\n"); 900 p(sctps_cached_chk, "\t{:cached-chunks/%ju} " 901 "{N:/cached chunk%s used}\n"); 902 p1a(sctps_cached_strmoq, "\t{:cached-output-queue-used/%ju} " 903 "{N:/cached stream oq's used}\n"); 904 p(sctps_left_abandon, "\t{:messages-abandoned/%ju} " 905 "{N:/unread message%s abandonded by close}\n"); 906 p1a(sctps_send_burst_avoid, "\t{:send-burst-avoidance/%ju} " 907 "{N:/send burst avoidance, already max burst inflight to net}\n"); 908 p1a(sctps_send_cwnd_avoid, "\t{:send-cwnd-avoidance/%ju} " 909 "{N:/send cwnd full avoidance, already max burst inflight " 910 "to net}\n"); 911 p(sctps_fwdtsn_map_over, "\t{:tsn-map-overruns/%ju} " 912 "{N:/number of map array over-run%s via fwd-tsn's}\n"); 913 914 #undef p 915 #undef p1a 916 xo_close_container(name); 917 } 918 919 #endif /* SCTP */ 920