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