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