1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved. 5 * Copyright (c) 2011, by Michael Tuexen. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * a) Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * b) Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * 17 * c) Neither the name of Cisco Systems, Inc. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/queue.h> 36 #include <sys/types.h> 37 #include <sys/socket.h> 38 #include <sys/socketvar.h> 39 #include <sys/sysctl.h> 40 #include <sys/protosw.h> 41 42 #include <netinet/in.h> 43 #include <netinet/sctp.h> 44 #include <netinet/sctp_constants.h> 45 #include <arpa/inet.h> 46 47 #include <errno.h> 48 #include <libutil.h> 49 #include <netdb.h> 50 #include <stdint.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <stdbool.h> 54 #include <string.h> 55 #include <unistd.h> 56 #include "netstat.h" 57 #include <libxo/xo.h> 58 59 #ifdef SCTP 60 61 static void sctp_statesprint(uint32_t state); 62 63 #define NETSTAT_SCTP_STATES_CLOSED 0x0 64 #define NETSTAT_SCTP_STATES_BOUND 0x1 65 #define NETSTAT_SCTP_STATES_LISTEN 0x2 66 #define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3 67 #define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4 68 #define NETSTAT_SCTP_STATES_ESTABLISHED 0x5 69 #define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6 70 #define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7 71 #define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8 72 #define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9 73 74 static const char *sctpstates[] = { 75 "CLOSED", 76 "BOUND", 77 "LISTEN", 78 "COOKIE_WAIT", 79 "COOKIE_ECHOED", 80 "ESTABLISHED", 81 "SHUTDOWN_SENT", 82 "SHUTDOWN_RECEIVED", 83 "SHUTDOWN_ACK_SENT", 84 "SHUTDOWN_PENDING" 85 }; 86 87 static LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; 88 struct xladdr_entry { 89 struct xsctp_laddr *xladdr; 90 LIST_ENTRY(xladdr_entry) xladdr_entries; 91 }; 92 93 static LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; 94 struct xraddr_entry { 95 struct xsctp_raddr *xraddr; 96 LIST_ENTRY(xraddr_entry) xraddr_entries; 97 }; 98 99 static void 100 sctp_print_address(const char *container, union sctp_sockstore *address, 101 int port, int num_port) 102 { 103 struct servent *sp = 0; 104 char line[80], *cp; 105 int width; 106 size_t alen, plen; 107 108 if (container) 109 xo_open_container(container); 110 111 switch (address->sa.sa_family) { 112 #ifdef INET 113 case AF_INET: 114 snprintf(line, sizeof(line), "%.*s.", 115 Wflag ? 39 : 16, inetname(&address->sin.sin_addr)); 116 break; 117 #endif 118 #ifdef INET6 119 case AF_INET6: 120 snprintf(line, sizeof(line), "%.*s.", 121 Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr)); 122 break; 123 #endif 124 default: 125 snprintf(line, sizeof(line), "%.*s.", 126 Wflag ? 39 : 16, ""); 127 break; 128 } 129 alen = strlen(line); 130 cp = line + alen; 131 if (!num_port && port) 132 sp = getservbyport((int)port, "sctp"); 133 if (sp || port == 0) 134 snprintf(cp, sizeof(line) - alen, 135 "%.15s ", sp ? sp->s_name : "*"); 136 else 137 snprintf(cp, sizeof(line) - alen, 138 "%d ", ntohs((u_short)port)); 139 width = Wflag ? 45 : 22; 140 xo_emit("{d:target/%-*.*s} ", width, width, line); 141 142 plen = strlen(cp) - 1; 143 alen--; 144 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 145 plen, cp); 146 147 if (container) 148 xo_close_container(container); 149 } 150 151 static int 152 sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) 153 { 154 int exist_tcb = 0; 155 struct xsctp_tcb *xstcb; 156 struct xsctp_raddr *xraddr; 157 struct xsctp_laddr *xladdr; 158 159 while (*offset < buflen) { 160 xladdr = (struct xsctp_laddr *)(buf + *offset); 161 *offset += sizeof(struct xsctp_laddr); 162 if (xladdr->last == 1) 163 break; 164 } 165 166 while (*offset < buflen) { 167 xstcb = (struct xsctp_tcb *)(buf + *offset); 168 *offset += sizeof(struct xsctp_tcb); 169 if (xstcb->last == 1) 170 break; 171 172 exist_tcb = 1; 173 174 while (*offset < buflen) { 175 xladdr = (struct xsctp_laddr *)(buf + *offset); 176 *offset += sizeof(struct xsctp_laddr); 177 if (xladdr->last == 1) 178 break; 179 } 180 181 while (*offset < buflen) { 182 xraddr = (struct xsctp_raddr *)(buf + *offset); 183 *offset += sizeof(struct xsctp_raddr); 184 if (xraddr->last == 1) 185 break; 186 } 187 } 188 189 /* 190 * If Lflag is set, we don't care about the return value. 191 */ 192 if (Lflag) 193 return 0; 194 195 return exist_tcb; 196 } 197 198 static void 199 sctp_process_tcb(struct xsctp_tcb *xstcb, 200 char *buf, const size_t buflen, size_t *offset, int *indent) 201 { 202 int i, xl_total = 0, xr_total = 0, x_max; 203 struct xsctp_raddr *xraddr; 204 struct xsctp_laddr *xladdr; 205 struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; 206 struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; 207 208 LIST_INIT(&xladdr_head); 209 LIST_INIT(&xraddr_head); 210 211 /* 212 * Make `struct xladdr_list' list and `struct xraddr_list' list 213 * to handle the address flexibly. 214 */ 215 while (*offset < buflen) { 216 xladdr = (struct xsctp_laddr *)(buf + *offset); 217 *offset += sizeof(struct xsctp_laddr); 218 if (xladdr->last == 1) 219 break; 220 221 prev_xl = xl; 222 xl = malloc(sizeof(struct xladdr_entry)); 223 if (xl == NULL) { 224 xo_warnx("malloc %lu bytes", 225 (u_long)sizeof(struct xladdr_entry)); 226 goto out; 227 } 228 xl->xladdr = xladdr; 229 if (prev_xl == NULL) 230 LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); 231 else 232 LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); 233 xl_total++; 234 } 235 236 while (*offset < buflen) { 237 xraddr = (struct xsctp_raddr *)(buf + *offset); 238 *offset += sizeof(struct xsctp_raddr); 239 if (xraddr->last == 1) 240 break; 241 242 prev_xr = xr; 243 xr = malloc(sizeof(struct xraddr_entry)); 244 if (xr == NULL) { 245 xo_warnx("malloc %lu bytes", 246 (u_long)sizeof(struct xraddr_entry)); 247 goto out; 248 } 249 xr->xraddr = xraddr; 250 if (prev_xr == NULL) 251 LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); 252 else 253 LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); 254 xr_total++; 255 } 256 257 /* 258 * Let's print the address infos. 259 */ 260 xo_open_list("address"); 261 xl = LIST_FIRST(&xladdr_head); 262 xr = LIST_FIRST(&xraddr_head); 263 x_max = MAX(xl_total, xr_total); 264 for (i = 0; i < x_max; i++) { 265 xo_open_instance("address"); 266 267 if (((*indent == 0) && i > 0) || *indent > 0) 268 xo_emit("{P:/%-12s} ", " "); 269 270 if (xl != NULL) { 271 sctp_print_address("local", &(xl->xladdr->address), 272 htons(xstcb->local_port), numeric_port); 273 } else { 274 if (Wflag) { 275 xo_emit("{P:/%-45s} ", " "); 276 } else { 277 xo_emit("{P:/%-22s} ", " "); 278 } 279 } 280 281 if (xr != NULL && !Lflag) { 282 sctp_print_address("remote", &(xr->xraddr->address), 283 htons(xstcb->remote_port), numeric_port); 284 } 285 286 if (xl != NULL) 287 xl = LIST_NEXT(xl, xladdr_entries); 288 if (xr != NULL) 289 xr = LIST_NEXT(xr, xraddr_entries); 290 291 if (i == 0 && !Lflag) 292 sctp_statesprint(xstcb->state); 293 294 if (i < x_max) 295 xo_emit("\n"); 296 xo_close_instance("address"); 297 } 298 299 out: 300 /* 301 * Free the list which be used to handle the address. 302 */ 303 xl = LIST_FIRST(&xladdr_head); 304 while (xl != NULL) { 305 xl_tmp = LIST_NEXT(xl, xladdr_entries); 306 free(xl); 307 xl = xl_tmp; 308 } 309 310 xr = LIST_FIRST(&xraddr_head); 311 while (xr != NULL) { 312 xr_tmp = LIST_NEXT(xr, xraddr_entries); 313 free(xr); 314 xr = xr_tmp; 315 } 316 } 317 318 static void 319 sctp_process_inpcb(struct xsctp_inpcb *xinpcb, 320 char *buf, const size_t buflen, size_t *offset) 321 { 322 int indent = 0, xladdr_total = 0, is_listening = 0; 323 static int first = 1; 324 const char *tname, *pname; 325 struct xsctp_tcb *xstcb; 326 struct xsctp_laddr *xladdr; 327 size_t offset_laddr; 328 int process_closed; 329 330 if (xinpcb->maxqlen > 0) 331 is_listening = 1; 332 333 if (first) { 334 if (!Lflag) { 335 xo_emit("Active SCTP associations"); 336 if (aflag) 337 xo_emit(" (including servers)"); 338 } else 339 xo_emit("Current listen queue sizes (qlen/maxqlen)"); 340 xo_emit("\n"); 341 if (Lflag) 342 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-8.8s} " 343 "{T:/%-22.22s}\n", 344 "Proto", "Type", "Listen", "Local Address"); 345 else 346 if (Wflag) 347 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-45.45s} " 348 "{T:/%-45.45s} {T:/%s}\n", 349 "Proto", "Type", 350 "Local Address", "Foreign Address", 351 "(state)"); 352 else 353 xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-22.22s} " 354 "{T:/%-22.22s} {T:/%s}\n", 355 "Proto", "Type", 356 "Local Address", "Foreign Address", 357 "(state)"); 358 first = 0; 359 } 360 xladdr = (struct xsctp_laddr *)(buf + *offset); 361 if ((!aflag && is_listening) || 362 (Lflag && !is_listening)) { 363 sctp_skip_xinpcb_ifneed(buf, buflen, offset); 364 return; 365 } 366 367 if (xinpcb->flags & SCTP_PCB_FLAGS_BOUND_V6) { 368 /* Can't distinguish between sctp46 and sctp6 */ 369 pname = "sctp46"; 370 } else { 371 pname = "sctp4"; 372 } 373 374 if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) 375 tname = "1to1"; 376 else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) 377 tname = "1toN"; 378 else 379 tname = "????"; 380 381 if (Lflag) { 382 char buf1[22]; 383 384 snprintf(buf1, sizeof buf1, "%u/%u", 385 xinpcb->qlen, xinpcb->maxqlen); 386 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 387 pname, tname); 388 xo_emit("{d:queues/%-8.8s}{e:queue-len/%hu}" 389 "{e:max-queue-len/%hu} ", 390 buf1, xinpcb->qlen, xinpcb->maxqlen); 391 } 392 393 offset_laddr = *offset; 394 process_closed = 0; 395 396 xo_open_list("local-address"); 397 retry: 398 while (*offset < buflen) { 399 xladdr = (struct xsctp_laddr *)(buf + *offset); 400 *offset += sizeof(struct xsctp_laddr); 401 if (xladdr->last) { 402 if (aflag && !Lflag && (xladdr_total == 0) && process_closed) { 403 xo_open_instance("local-address"); 404 405 xo_emit("{:protocol/%-6.6s/%s} " 406 "{:type/%-5.5s/%s} ", pname, tname); 407 if (Wflag) { 408 xo_emit("{P:/%-91.91s/%s} " 409 "{:state/CLOSED}", " "); 410 } else { 411 xo_emit("{P:/%-45.45s/%s} " 412 "{:state/CLOSED}", " "); 413 } 414 xo_close_instance("local-address"); 415 } 416 if (process_closed || is_listening) { 417 xo_emit("\n"); 418 } 419 break; 420 } 421 422 if (!Lflag && !is_listening && !process_closed) 423 continue; 424 425 xo_open_instance("local-address"); 426 427 if (xladdr_total == 0) { 428 if (!Lflag) { 429 xo_emit("{:protocol/%-6.6s/%s} " 430 "{:type/%-5.5s/%s} ", pname, tname); 431 } 432 } else { 433 xo_emit("\n"); 434 xo_emit(Lflag ? "{P:/%-21.21s} " : "{P:/%-12.12s} ", 435 " "); 436 } 437 sctp_print_address("local", &(xladdr->address), 438 htons(xinpcb->local_port), numeric_port); 439 if (aflag && !Lflag && xladdr_total == 0) { 440 if (Wflag) { 441 if (process_closed) { 442 xo_emit("{P:/%-45.45s} " 443 "{:state/CLOSED}", " "); 444 } else { 445 xo_emit("{P:/%-45.45s} " 446 "{:state/LISTEN}", " "); 447 } 448 } else { 449 if (process_closed) { 450 xo_emit("{P:/%-22.22s} " 451 "{:state/CLOSED}", " "); 452 } else { 453 xo_emit("{P:/%-22.22s} " 454 "{:state/LISTEN}", " "); 455 } 456 } 457 } 458 xladdr_total++; 459 xo_close_instance("local-address"); 460 } 461 462 xstcb = (struct xsctp_tcb *)(buf + *offset); 463 *offset += sizeof(struct xsctp_tcb); 464 if (aflag && (xladdr_total == 0) && xstcb->last && !process_closed) { 465 process_closed = 1; 466 *offset = offset_laddr; 467 goto retry; 468 } 469 while (xstcb->last == 0 && *offset < buflen) { 470 xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", 471 pname, tname); 472 sctp_process_tcb(xstcb, buf, buflen, offset, &indent); 473 indent++; 474 xstcb = (struct xsctp_tcb *)(buf + *offset); 475 *offset += sizeof(struct xsctp_tcb); 476 } 477 478 xo_close_list("local-address"); 479 } 480 481 /* 482 * Print a summary of SCTP connections related to an Internet 483 * protocol. 484 */ 485 void 486 sctp_protopr(u_long off __unused, 487 const char *name __unused, int af1 __unused, int proto) 488 { 489 char *buf; 490 const char *mibvar = "net.inet.sctp.assoclist"; 491 size_t offset = 0; 492 size_t len = 0; 493 struct xsctp_inpcb *xinpcb; 494 495 if (proto != IPPROTO_SCTP) 496 return; 497 498 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 499 if (errno != ENOENT) 500 xo_warn("sysctl: %s", mibvar); 501 return; 502 } 503 if ((buf = malloc(len)) == NULL) { 504 xo_warnx("malloc %lu bytes", (u_long)len); 505 return; 506 } 507 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 508 xo_warn("sysctl: %s", mibvar); 509 free(buf); 510 return; 511 } 512 513 xinpcb = (struct xsctp_inpcb *)(buf + offset); 514 offset += sizeof(struct xsctp_inpcb); 515 while (xinpcb->last == 0 && offset < len) { 516 sctp_process_inpcb(xinpcb, buf, (const size_t)len, 517 &offset); 518 519 xinpcb = (struct xsctp_inpcb *)(buf + offset); 520 offset += sizeof(struct xsctp_inpcb); 521 } 522 523 free(buf); 524 } 525 526 static void 527 sctp_statesprint(uint32_t state) 528 { 529 int idx; 530 531 switch (state) { 532 case SCTP_CLOSED: 533 idx = NETSTAT_SCTP_STATES_CLOSED; 534 break; 535 case SCTP_BOUND: 536 idx = NETSTAT_SCTP_STATES_BOUND; 537 break; 538 case SCTP_LISTEN: 539 idx = NETSTAT_SCTP_STATES_LISTEN; 540 break; 541 case SCTP_COOKIE_WAIT: 542 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 543 break; 544 case SCTP_COOKIE_ECHOED: 545 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 546 break; 547 case SCTP_ESTABLISHED: 548 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 549 break; 550 case SCTP_SHUTDOWN_SENT: 551 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 552 break; 553 case SCTP_SHUTDOWN_RECEIVED: 554 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 555 break; 556 case SCTP_SHUTDOWN_ACK_SENT: 557 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 558 break; 559 case SCTP_SHUTDOWN_PENDING: 560 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 561 break; 562 default: 563 xo_emit("UNKNOWN {:state/0x%08x}", state); 564 return; 565 } 566 567 xo_emit("{:state/%s}", sctpstates[idx]); 568 } 569 570 /* 571 * Dump SCTP statistics structure. 572 */ 573 void 574 sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 575 { 576 struct sctpstat sctpstat; 577 578 if (fetch_stats("net.inet.sctp.stats", off, &sctpstat, 579 sizeof(sctpstat), kread) != 0) 580 return; 581 582 xo_open_container(name); 583 xo_emit("{T:/%s}:\n", name); 584 585 #define p(f, m) if (sctpstat.f || sflag <= 1) \ 586 xo_emit(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 587 #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 588 xo_emit(m, (uintmax_t)sctpstat.f) 589 590 /* 591 * input statistics 592 */ 593 p(sctps_recvpackets, "\t{:received-packets/%ju} " 594 "{N:/input packet%s}\n"); 595 p(sctps_recvdatagrams, "\t\t{:received-datagrams/%ju} " 596 "{N:/datagram%s}\n"); 597 p(sctps_recvpktwithdata, "\t\t{:received-with-data/%ju} " 598 "{N:/packet%s that had data}\n"); 599 p(sctps_recvsacks, "\t\t{:received-sack-chunks/%ju} " 600 "{N:/input SACK chunk%s}\n"); 601 p(sctps_recvdata, "\t\t{:received-data-chunks/%ju} " 602 "{N:/input DATA chunk%s}\n"); 603 p(sctps_recvdupdata, "\t\t{:received-duplicate-data-chunks/%ju} " 604 "{N:/duplicate DATA chunk%s}\n"); 605 p(sctps_recvheartbeat, "\t\t{:received-hb-chunks/%ju} " 606 "{N:/input HB chunk%s}\n"); 607 p(sctps_recvheartbeatack, "\t\t{:received-hb-ack-chunks/%ju} " 608 "{N:/HB-ACK chunk%s}\n"); 609 p(sctps_recvecne, "\t\t{:received-ecne-chunks/%ju} " 610 "{N:/input ECNE chunk%s}\n"); 611 p(sctps_recvauth, "\t\t{:received-auth-chunks/%ju} " 612 "{N:/input AUTH chunk%s}\n"); 613 p(sctps_recvauthmissing, "\t\t{:dropped-missing-auth/%ju} " 614 "{N:/chunk%s missing AUTH}\n"); 615 p(sctps_recvivalhmacid, "\t\t{:dropped-invalid-hmac/%ju} " 616 "{N:/invalid HMAC id%s received}\n"); 617 p(sctps_recvivalkeyid, "\t\t{:dropped-invalid-secret/%ju} " 618 "{N:/invalid secret id%s received}\n"); 619 p1a(sctps_recvauthfailed, "\t\t{:dropped-auth-failed/%ju} " 620 "{N:/auth failed}\n"); 621 p1a(sctps_recvexpress, "\t\t{:received-fast-path/%ju} " 622 "{N:/fast path receives all one chunk}\n"); 623 p1a(sctps_recvexpressm, "\t\t{:receives-fast-path-multipart/%ju} " 624 "{N:/fast path multi-part data}\n"); 625 626 /* 627 * output statistics 628 */ 629 p(sctps_sendpackets, "\t{:sent-packets/%ju} " 630 "{N:/output packet%s}\n"); 631 p(sctps_sendsacks, "\t\t{:sent-sacks/%ju} " 632 "{N:/output SACK%s}\n"); 633 p(sctps_senddata, "\t\t{:sent-data-chunks/%ju} " 634 "{N:/output DATA chunk%s}\n"); 635 p(sctps_sendretransdata, "\t\t{:sent-retransmitted-data-chunks/%ju} " 636 "{N:/retransmitted DATA chunk%s}\n"); 637 p(sctps_sendfastretrans, "\t\t" 638 "{:sent-fast-retransmitted-data-chunks/%ju} " 639 "{N:/fast retransmitted DATA chunk%s}\n"); 640 p(sctps_sendmultfastretrans, "\t\t" 641 "{:sent-fast-retransmitted-data-chunk-multiple-times/%ju} " 642 "{N:/FR'%s that happened more than once to same chunk}\n"); 643 p(sctps_sendheartbeat, "\t\t{:sent-hb-chunks/%ju} " 644 "{N:/output HB chunk%s}\n"); 645 p(sctps_sendecne, "\t\t{:sent-ecne-chunks/%ju} " 646 "{N:/output ECNE chunk%s}\n"); 647 p(sctps_sendauth, "\t\t{:sent-auth-chunks/%ju} " 648 "{N:/output AUTH chunk%s}\n"); 649 p1a(sctps_senderrors, "\t\t{:send-errors/%ju} " 650 "{N:/ip_output error counter}\n"); 651 652 /* 653 * PCKDROPREP statistics 654 */ 655 xo_emit("\t{T:Packet drop statistics}:\n"); 656 xo_open_container("drop-statistics"); 657 p1a(sctps_pdrpfmbox, "\t\t{:middle-box/%ju} " 658 "{N:/from middle box}\n"); 659 p1a(sctps_pdrpfehos, "\t\t{:end-host/%ju} " 660 "{N:/from end host}\n"); 661 p1a(sctps_pdrpmbda, "\t\t{:with-data/%ju} " 662 "{N:/with data}\n"); 663 p1a(sctps_pdrpmbct, "\t\t{:non-data/%ju} " 664 "{N:/non-data, non-endhost}\n"); 665 p1a(sctps_pdrpbwrpt, "\t\t{:non-endhost/%ju} " 666 "{N:/non-endhost, bandwidth rep only}\n"); 667 p1a(sctps_pdrpcrupt, "\t\t{:short-header/%ju} " 668 "{N:/not enough for chunk header}\n"); 669 p1a(sctps_pdrpnedat, "\t\t{:short-data/%ju} " 670 "{N:/not enough data to confirm}\n"); 671 p1a(sctps_pdrppdbrk, "\t\t{:chunk-break/%ju} " 672 "{N:/where process_chunk_drop said break}\n"); 673 p1a(sctps_pdrptsnnf, "\t\t{:tsn-not-found/%ju} " 674 "{N:/failed to find TSN}\n"); 675 p1a(sctps_pdrpdnfnd, "\t\t{:reverse-tsn/%ju} " 676 "{N:/attempt reverse TSN lookup}\n"); 677 p1a(sctps_pdrpdiwnp, "\t\t{:confirmed-zero-window/%ju} " 678 "{N:/e-host confirms zero-rwnd}\n"); 679 p1a(sctps_pdrpdizrw, "\t\t{:middle-box-no-space/%ju} " 680 "{N:/midbox confirms no space}\n"); 681 p1a(sctps_pdrpbadd, "\t\t{:bad-data/%ju} " 682 "{N:/data did not match TSN}\n"); 683 p(sctps_pdrpmark, "\t\t{:tsn-marked-fast-retransmission/%ju} " 684 "{N:/TSN'%s marked for Fast Retran}\n"); 685 xo_close_container("drop-statistics"); 686 687 /* 688 * Timeouts 689 */ 690 xo_emit("\t{T:Timeouts}:\n"); 691 xo_open_container("timeouts"); 692 p(sctps_timoiterator, "\t\t{:iterator/%ju} " 693 "{N:/iterator timer%s fired}\n"); 694 p(sctps_timodata, "\t\t{:t3-data/%ju} " 695 "{N:/T3 data time out%s}\n"); 696 p(sctps_timowindowprobe, "\t\t{:window-probe/%ju} " 697 "{N:/window probe (T3) timer%s fired}\n"); 698 p(sctps_timoinit, "\t\t{:init-timer/%ju} " 699 "{N:/INIT timer%s fired}\n"); 700 p(sctps_timosack, "\t\t{:sack-timer/%ju} " 701 "{N:/sack timer%s fired}\n"); 702 p(sctps_timoshutdown, "\t\t{:shutdown-timer/%ju} " 703 "{N:/shutdown timer%s fired}\n"); 704 p(sctps_timoheartbeat, "\t\t{:heartbeat-timer/%ju} " 705 "{N:/heartbeat timer%s fired}\n"); 706 p1a(sctps_timocookie, "\t\t{:cookie-timer/%ju} " 707 "{N:/a cookie timeout fired}\n"); 708 p1a(sctps_timosecret, "\t\t{:endpoint-changed-cookie/%ju} " 709 "{N:/an endpoint changed its cook}ie" 710 "secret\n"); 711 p(sctps_timopathmtu, "\t\t{:pmtu-timer/%ju} " 712 "{N:/PMTU timer%s fired}\n"); 713 p(sctps_timoshutdownack, "\t\t{:shutdown-ack-timer/%ju} " 714 "{N:/shutdown ack timer%s fired}\n"); 715 p(sctps_timoshutdownguard, "\t\t{:shutdown-guard-timer/%ju} " 716 "{N:/shutdown guard timer%s fired}\n"); 717 p(sctps_timostrmrst, "\t\t{:stream-reset-timer/%ju} " 718 "{N:/stream reset timer%s fired}\n"); 719 p(sctps_timoearlyfr, "\t\t{:early-fast-retransmission-timer/%ju} " 720 "{N:/early FR timer%s fired}\n"); 721 p1a(sctps_timoasconf, "\t\t{:asconf-timer/%ju} " 722 "{N:/an asconf timer fired}\n"); 723 p1a(sctps_timoautoclose, "\t\t{:auto-close-timer/%ju} " 724 "{N:/auto close timer fired}\n"); 725 p(sctps_timoassockill, "\t\t{:asoc-free-timer/%ju} " 726 "{N:/asoc free timer%s expired}\n"); 727 p(sctps_timoinpkill, "\t\t{:input-free-timer/%ju} " 728 "{N:/inp free timer%s expired}\n"); 729 xo_close_container("timeouts"); 730 731 #if 0 732 /* 733 * Early fast retransmission counters 734 */ 735 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 736 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 737 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 738 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 739 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 740 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 741 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 742 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 743 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 744 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 745 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 746 #endif 747 748 /* 749 * Others 750 */ 751 p1a(sctps_hdrops, "\t{:dropped-too-short/%ju} " 752 "{N:/packet shorter than header}\n"); 753 p1a(sctps_badsum, "\t{:dropped-bad-checksum/%ju} " 754 "{N:/checksum error}\n"); 755 p1a(sctps_noport, "\t{:dropped-no-endpoint/%ju} " 756 "{N:/no endpoint for port}\n"); 757 p1a(sctps_badvtag, "\t{:dropped-bad-v-tag/%ju} " 758 "{N:/bad v-tag}\n"); 759 p1a(sctps_badsid, "\t{:dropped-bad-sid/%ju} " 760 "{N:/bad SID}\n"); 761 p1a(sctps_nomem, "\t{:dropped-no-memory/%ju} " 762 "{N:/no memory}\n"); 763 p1a(sctps_fastretransinrtt, "\t{:multiple-fast-retransmits-in-rtt/%ju} " 764 "{N:/number of multiple FR in a RT}T window\n"); 765 #if 0 766 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 767 #endif 768 p1a(sctps_naglesent, "\t{:rfc813-sent/%ju} " 769 "{N:/RFC813 allowed sending}\n"); 770 p1a(sctps_naglequeued, "\t{:rfc813-queued/%ju} " 771 "{N:/RFC813 does not allow sending}\n"); 772 p1a(sctps_maxburstqueued, "\t{:max-burst-queued/%ju} " 773 "{N:/times max burst prohibited sending}\n"); 774 p1a(sctps_ifnomemqueued, "\t{:no-memory-in-interface/%ju} " 775 "{N:/look ahead tells us no memory in interface}\n"); 776 p(sctps_windowprobed, "\t{:sent-window-probes/%ju} " 777 "{N:/number%s of window probes sent}\n"); 778 p(sctps_lowlevelerr, "\t{:low-level-err/%ju} " 779 "{N:/time%s an output error to clamp down on next user send}\n"); 780 p(sctps_lowlevelerrusr, "\t{:low-level-user-error/%ju} " 781 "{N:/time%s sctp_senderrors were caused from a user}\n"); 782 p(sctps_datadropchklmt, "\t{:dropped-chunk-limit/%ju} " 783 "{N:/number of in data drop%s due to chunk limit reached}\n"); 784 p(sctps_datadroprwnd, "\t{:dropped-rwnd-limit/%ju} " 785 "{N:/number of in data drop%s due to rwnd limit reached}\n"); 786 p(sctps_ecnereducedcwnd, "\t{:ecn-reduced-cwnd/%ju} " 787 "{N:/time%s a ECN reduced the cwnd}\n"); 788 p1a(sctps_vtagexpress, "\t{:v-tag-express-lookup/%ju} " 789 "{N:/used express lookup via vtag}\n"); 790 p1a(sctps_vtagbogus, "\t{:v-tag-collision/%ju} " 791 "{N:/collision in express lookup}\n"); 792 p(sctps_primary_randry, "\t{:sender-ran-dry/%ju} " 793 "{N:/time%s the sender ran dry of user data on primary}\n"); 794 p1a(sctps_cmt_randry, "\t{:cmt-ran-dry/%ju} " 795 "{N:/same for above}\n"); 796 p(sctps_slowpath_sack, "\t{:slow-path-sack/%ju} " 797 "{N:/sack%s the slow way}\n"); 798 p(sctps_wu_sacks_sent, "\t{:sent-window-update-only-sack/%ju} " 799 "{N:/window update only sack%s sent}\n"); 800 p(sctps_sends_with_flags, "\t{:sent-with-sinfo/%ju} " 801 "{N:/send%s with sinfo_flags !=0}\n"); 802 p(sctps_sends_with_unord, "\t{:sent-with-unordered/%ju} " 803 "{N:/unordered send%s}\n"); 804 p(sctps_sends_with_eof, "\t{:sent-with-eof/%ju} " 805 "{N:/send%s with EOF flag set}\n"); 806 p(sctps_sends_with_abort, "\t{:sent-with-abort/%ju} " 807 "{N:/send%s with ABORT flag set}\n"); 808 p(sctps_protocol_drain_calls, "\t{:protocol-drain-called/%ju} " 809 "{N:/time%s protocol drain called}\n"); 810 p(sctps_protocol_drains_done, "\t{:protocol-drain/%ju} " 811 "{N:/time%s we did a protocol drain}\n"); 812 p(sctps_read_peeks, "\t{:read-with-peek/%ju} " 813 "{N:/time%s recv was called with peek}\n"); 814 p(sctps_cached_chk, "\t{:cached-chunks/%ju} " 815 "{N:/cached chunk%s used}\n"); 816 p1a(sctps_cached_strmoq, "\t{:cached-output-queue-used/%ju} " 817 "{N:/cached stream oq's used}\n"); 818 p(sctps_left_abandon, "\t{:messages-abandoned/%ju} " 819 "{N:/unread message%s abandonded by close}\n"); 820 p1a(sctps_send_burst_avoid, "\t{:send-burst-avoidance/%ju} " 821 "{N:/send burst avoidance, already max burst inflight to net}\n"); 822 p1a(sctps_send_cwnd_avoid, "\t{:send-cwnd-avoidance/%ju} " 823 "{N:/send cwnd full avoidance, already max burst inflight " 824 "to net}\n"); 825 p(sctps_fwdtsn_map_over, "\t{:tsn-map-overruns/%ju} " 826 "{N:/number of map array over-run%s via fwd-tsn's}\n"); 827 828 #undef p 829 #undef p1a 830 xo_close_container(name); 831 } 832 833 #endif /* SCTP */ 834