1 /*- 2 * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 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 <string.h> 62 #include <unistd.h> 63 #include "netstat.h" 64 65 #ifdef SCTP 66 67 void inetprint (struct in_addr *, int, const char *, int); 68 static void sctp_statesprint(uint32_t state); 69 70 #define NETSTAT_SCTP_STATES_CLOSED 0x0 71 #define NETSTAT_SCTP_STATES_BOUND 0x1 72 #define NETSTAT_SCTP_STATES_LISTEN 0x2 73 #define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3 74 #define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4 75 #define NETSTAT_SCTP_STATES_ESTABLISHED 0x5 76 #define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6 77 #define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7 78 #define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8 79 #define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9 80 81 char *sctpstates[] = { 82 "CLOSED", 83 "BOUND", 84 "LISTEN", 85 "COOKIE_WAIT", 86 "COOKIE_ECHOED", 87 "ESTABLISHED", 88 "SHUTDOWN_SENT", 89 "SHUTDOWN_RECEIVED", 90 "SHUTDOWN_ACK_SENT", 91 "SHUTDOWN_PENDING" 92 }; 93 94 LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; 95 struct xladdr_entry { 96 struct xsctp_laddr *xladdr; 97 LIST_ENTRY(xladdr_entry) xladdr_entries; 98 }; 99 100 LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; 101 struct xraddr_entry { 102 struct xsctp_raddr *xraddr; 103 LIST_ENTRY(xraddr_entry) xraddr_entries; 104 }; 105 106 static int 107 sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) 108 { 109 int exist_tcb = 0; 110 struct xsctp_tcb *xstcb; 111 struct xsctp_raddr *xraddr; 112 struct xsctp_laddr *xladdr; 113 114 while (*offset < buflen) { 115 xladdr = (struct xsctp_laddr *)(buf + *offset); 116 *offset += sizeof(struct xsctp_laddr); 117 if (xladdr->last == 1) 118 break; 119 } 120 121 while (*offset < buflen) { 122 xstcb = (struct xsctp_tcb *)(buf + *offset); 123 *offset += sizeof(struct xsctp_tcb); 124 if (xstcb->last == 1) 125 break; 126 127 exist_tcb = 1; 128 129 while (*offset < buflen) { 130 xladdr = (struct xsctp_laddr *)(buf + *offset); 131 *offset += sizeof(struct xsctp_laddr); 132 if (xladdr->last == 1) 133 break; 134 } 135 136 while (*offset < buflen) { 137 xraddr = (struct xsctp_raddr *)(buf + *offset); 138 *offset += sizeof(struct xsctp_raddr); 139 if (xraddr->last == 1) 140 break; 141 } 142 } 143 144 /* 145 * If Lflag is set, we don't care about the return value. 146 */ 147 if (Lflag) 148 return 0; 149 150 return exist_tcb; 151 } 152 153 static void 154 sctp_process_tcb(struct xsctp_tcb *xstcb, const char *name, 155 char *buf, const size_t buflen, size_t *offset, int *indent) 156 { 157 int i, xl_total = 0, xr_total = 0, x_max; 158 struct sockaddr *sa; 159 struct xsctp_raddr *xraddr; 160 struct xsctp_laddr *xladdr; 161 struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; 162 struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; 163 #ifdef INET6 164 struct sockaddr_in6 *in6; 165 #endif 166 167 LIST_INIT(&xladdr_head); 168 LIST_INIT(&xraddr_head); 169 170 /* 171 * Make `struct xladdr_list' list and `struct xraddr_list' list 172 * to handle the address flexibly. 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 prev_xl = xl; 181 xl = malloc(sizeof(struct xladdr_entry)); 182 if (xl == NULL) { 183 warnx("malloc %lu bytes", 184 (u_long)sizeof(struct xladdr_entry)); 185 goto out; 186 } 187 xl->xladdr = xladdr; 188 if (prev_xl == NULL) 189 LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); 190 else 191 LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); 192 xl_total++; 193 } 194 195 while (*offset < buflen) { 196 xraddr = (struct xsctp_raddr *)(buf + *offset); 197 *offset += sizeof(struct xsctp_raddr); 198 if (xraddr->last == 1) 199 break; 200 201 prev_xr = xr; 202 xr = malloc(sizeof(struct xraddr_entry)); 203 if (xr == NULL) { 204 warnx("malloc %lu bytes", 205 (u_long)sizeof(struct xraddr_entry)); 206 goto out; 207 } 208 xr->xraddr = xraddr; 209 if (prev_xr == NULL) 210 LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); 211 else 212 LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); 213 xr_total++; 214 } 215 216 /* 217 * Let's print the address infos. 218 */ 219 xl = LIST_FIRST(&xladdr_head); 220 xr = LIST_FIRST(&xraddr_head); 221 x_max = (xl_total > xr_total) ? xl_total : xr_total; 222 for (i = 0; i < x_max; i++) { 223 if (((*indent == 0) && i > 0) || *indent > 0) 224 printf("%-11s ", " "); 225 226 if (xl != NULL) { 227 sa = &(xl->xladdr->address.sa); 228 if ((sa->sa_family) == AF_INET) 229 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 230 htons(xstcb->local_port), 231 name, numeric_port); 232 #ifdef INET6 233 else { 234 in6 = (struct sockaddr_in6 *)sa; 235 inet6print(&in6->sin6_addr, 236 htons(xstcb->local_port), 237 name, numeric_port); 238 } 239 #endif 240 } 241 242 if (xr != NULL && !Lflag) { 243 sa = &(xr->xraddr->address.sa); 244 if ((sa->sa_family) == AF_INET) 245 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 246 htons(xstcb->remote_port), 247 name, numeric_port); 248 #ifdef INET6 249 else { 250 in6 = (struct sockaddr_in6 *)sa; 251 inet6print(&in6->sin6_addr, 252 htons(xstcb->remote_port), 253 name, numeric_port); 254 } 255 #endif 256 } 257 258 if (xl != NULL) 259 xl = LIST_NEXT(xl, xladdr_entries); 260 if (xr != NULL) 261 xr = LIST_NEXT(xr, xraddr_entries); 262 263 if (i == 0 && !Lflag) 264 sctp_statesprint(xstcb->state); 265 266 if (i < x_max) 267 putchar('\n'); 268 } 269 270 out: 271 /* 272 * Free the list which be used to handle the address. 273 */ 274 xl = LIST_FIRST(&xladdr_head); 275 while (xl != NULL) { 276 xl_tmp = LIST_NEXT(xl, xladdr_entries); 277 free(xl); 278 xl = xl_tmp; 279 } 280 281 xr = LIST_FIRST(&xraddr_head); 282 while (xr != NULL) { 283 xr_tmp = LIST_NEXT(xr, xraddr_entries); 284 free(xr); 285 xr = xr_tmp; 286 } 287 } 288 289 #ifdef SCTP_DEBUG 290 uint32_t sctp_pdup[64]; 291 int sctp_pcnt = 0; 292 #endif 293 294 static void 295 sctp_process_inpcb(struct xsctp_inpcb *xinpcb, const char *name, 296 char *buf, const size_t buflen, size_t *offset) 297 { 298 int offset_backup, indent = 0, xladdr_total = 0, is_listening = 0; 299 static int first = 1; 300 char *tname; 301 struct xsctp_tcb *xstcb; 302 struct xsctp_laddr *xladdr; 303 struct sockaddr *sa; 304 #ifdef INET6 305 struct sockaddr_in6 *in6; 306 #endif 307 308 if ((xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) == 309 SCTP_PCB_FLAGS_TCPTYPE && xinpcb->maxqlen > 0) 310 is_listening = 1; 311 312 if (!Lflag && !is_listening && 313 !(xinpcb->flags & SCTP_PCB_FLAGS_CONNECTED)) { 314 #ifdef SCTP_DEBUG 315 int i, found = 0; 316 317 for (i = 0; i < sctp_pcnt; i++) { 318 if (sctp_pdup[i] == xinpcb->flags) { 319 found = 1; 320 break; 321 } 322 } 323 if (!found) { 324 sctp_pdup[sctp_pcnt++] = xinpcb->flags; 325 if (sctp_pcnt >= 64) 326 sctp_pcnt = 0; 327 printf("[0x%08x]", xinpcb->flags); 328 } 329 #endif 330 offset_backup = *offset; 331 if (!sctp_skip_xinpcb_ifneed(buf, buflen, offset)) 332 return; 333 *offset = offset_backup; 334 } 335 336 if (first) { 337 if (!Lflag) { 338 printf("Active SCTP associations"); 339 if (aflag) 340 printf(" (including servers)"); 341 } else 342 printf("Current listen queue sizes (qlen/maxqlen)"); 343 putchar('\n'); 344 if (Aflag) 345 printf("%-8.8s ", "Socket"); 346 if (Lflag) 347 printf("%-5.5s %-5.5s %-8.8s %-22.22s\n", 348 "Proto", "Type", "Listen", "Local Address"); 349 else 350 printf((Aflag && !Wflag) ? 351 "%-5.5s %-5.5s %-18.18s %-18.18s %s\n" : 352 "%-5.5s %-5.5s %-22.22s %-22.22s %s\n", 353 "Proto", "Type", 354 "Local Address", "Foreign Address", 355 "(state)"); 356 first = 0; 357 } 358 if (Lflag && xinpcb->maxqlen == 0) { 359 (int)sctp_skip_xinpcb_ifneed(buf, buflen, offset); 360 return; 361 } 362 if (Aflag) 363 printf("%8lx ", (u_long)xinpcb); 364 365 printf("%-5.5s ", name); 366 367 if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) 368 tname = "1to1"; 369 else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) 370 tname = "1toN"; 371 else 372 return; 373 374 printf("%-5.5s ", tname); 375 376 if (Lflag) { 377 char buf1[9]; 378 379 snprintf(buf1, 9, "%hu/%hu", xinpcb->qlen, xinpcb->maxqlen); 380 printf("%-8.8s ", buf1); 381 } 382 /* 383 * process the local address. This routine are used for Lflag. 384 */ 385 while (*offset < buflen) { 386 xladdr = (struct xsctp_laddr *)(buf + *offset); 387 *offset += sizeof(struct xsctp_laddr); 388 if (xladdr->last == 1) 389 break; 390 391 if (!Lflag && !is_listening) 392 continue; 393 394 if (xladdr_total != 0) 395 putchar('\n'); 396 if (xladdr_total > 0) 397 printf((Lflag) ? 398 "%-20.20s " : "%-11.11s ", " "); 399 400 sa = &(xladdr->address.sa); 401 if ((sa->sa_family) == AF_INET) 402 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 403 htons(xinpcb->local_port), name, numeric_port); 404 #ifdef INET6 405 else { 406 in6 = (struct sockaddr_in6 *)sa; 407 inet6print(&in6->sin6_addr, 408 htons(xinpcb->local_port), name, numeric_port); 409 } 410 #endif 411 412 if (!Lflag && xladdr_total == 0 && is_listening == 1) 413 printf("%-22.22s LISTEN", " "); 414 415 xladdr_total++; 416 } 417 418 xstcb = (struct xsctp_tcb *)(buf + *offset); 419 *offset += sizeof(struct xsctp_tcb); 420 while (xstcb->last == 0 && *offset < buflen) { 421 sctp_process_tcb(xstcb, name, buf, buflen, offset, &indent); 422 indent++; 423 xstcb = (struct xsctp_tcb *)(buf + *offset); 424 *offset += sizeof(struct xsctp_tcb); 425 } 426 427 putchar('\n'); 428 } 429 430 /* 431 * Print a summary of SCTP connections related to an Internet 432 * protocol. 433 */ 434 void 435 sctp_protopr(u_long off __unused, 436 const char *name, int af1, int proto) 437 { 438 char *buf; 439 const char *mibvar = "net.inet.sctp.assoclist"; 440 size_t offset = 0; 441 size_t len = 0; 442 struct xsctp_inpcb *xinpcb; 443 444 if (proto != IPPROTO_SCTP) 445 return; 446 447 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 448 if (errno != ENOENT) 449 warn("sysctl: %s", mibvar); 450 return; 451 } 452 if ((buf = malloc(len)) == 0) { 453 warnx("malloc %lu bytes", (u_long)len); 454 return; 455 } 456 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 457 warn("sysctl: %s", mibvar); 458 free(buf); 459 return; 460 } 461 462 xinpcb = (struct xsctp_inpcb *)(buf + offset); 463 offset += sizeof(struct xsctp_inpcb); 464 while (xinpcb->last == 0 && offset < len) { 465 sctp_process_inpcb(xinpcb, name, buf, (const size_t)len, 466 &offset); 467 468 xinpcb = (struct xsctp_inpcb *)(buf + offset); 469 offset += sizeof(struct xsctp_inpcb); 470 } 471 472 free(buf); 473 } 474 475 static void 476 sctp_statesprint(uint32_t state) 477 { 478 int idx; 479 480 switch (state) { 481 case SCTP_STATE_COOKIE_WAIT: 482 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 483 break; 484 case SCTP_STATE_COOKIE_ECHOED: 485 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 486 break; 487 case SCTP_STATE_OPEN: 488 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 489 break; 490 case SCTP_STATE_SHUTDOWN_SENT: 491 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 492 break; 493 case SCTP_STATE_SHUTDOWN_RECEIVED: 494 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 495 break; 496 case SCTP_STATE_SHUTDOWN_ACK_SENT: 497 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 498 break; 499 case SCTP_STATE_SHUTDOWN_PENDING: 500 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 501 break; 502 default: 503 printf("UNKNOWN 0x%08x", state); 504 return; 505 } 506 507 printf("%s", sctpstates[idx]); 508 } 509 510 /* 511 * Dump SCTP statistics structure. 512 */ 513 void 514 sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 515 { 516 struct sctpstat sctpstat, zerostat; 517 size_t len = sizeof(sctpstat); 518 519 if (live) { 520 if (zflag) 521 memset(&zerostat, 0, len); 522 if (sysctlbyname("net.inet.sctp.stats", &sctpstat, &len, 523 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 524 warn("sysctl: net.inet.sctp.stats"); 525 return; 526 } 527 } else 528 kread(off, &sctpstat, len); 529 530 printf ("%s:\n", name); 531 532 #define p(f, m) if (sctpstat.f || sflag <= 1) \ 533 printf(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 534 #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 535 printf(m, (uintmax_t)sctpstat.f) 536 537 /* 538 * input statistics 539 */ 540 p(sctps_recvpackets, "\t%ju input packet%s\n"); 541 p(sctps_recvdatagrams, "\t\t%ju datagram%s\n"); 542 p(sctps_recvpktwithdata, "\t\t%ju packet%s that had data\n"); 543 p(sctps_recvsacks, "\t\t%ju input SACK chunk%s\n"); 544 p(sctps_recvdata, "\t\t%ju input DATA chunk%s\n"); 545 p(sctps_recvdupdata, "\t\t%ju duplicate DATA chunk%s\n"); 546 p(sctps_recvheartbeat, "\t\t%ju input HB chunk%s\n"); 547 p(sctps_recvheartbeatack, "\t\t%ju HB-ACK chunk%s\n"); 548 p(sctps_recvecne, "\t\t%ju input ECNE chunk%s\n"); 549 p(sctps_recvauth, "\t\t%ju input AUTH chunk%s\n"); 550 p(sctps_recvauthmissing, "\t\t%ju chunk%s missing AUTH\n"); 551 p(sctps_recvivalhmacid, "\t\t%ju invalid HMAC id%s received\n"); 552 p(sctps_recvivalkeyid, "\t\t%ju invalid secret id%s received\n"); 553 p1a(sctps_recvauthfailed, "\t\t%ju auth failed\n"); 554 p1a(sctps_recvexpress, "\t\t%ju fast path receives all one chunk\n"); 555 p1a(sctps_recvexpressm, "\t\t%ju fast path multi-part data\n"); 556 557 /* 558 * output statistics 559 */ 560 p(sctps_sendpackets, "\t%ju output packet%s\n"); 561 p(sctps_sendsacks, "\t\t%ju output SACK%s\n"); 562 p(sctps_senddata, "\t\t%ju output DATA chunk%s\n"); 563 p(sctps_sendretransdata, "\t\t%ju retransmitted DATA chunk%s\n"); 564 p(sctps_sendfastretrans, "\t\t%ju fast retransmitted DATA chunk%s\n"); 565 p(sctps_sendmultfastretrans, "\t\t%ju FR'%s that happened more " 566 "than once to same chunk.\n"); 567 p(sctps_sendheartbeat, "\t\t%ju intput HB chunk%s\n"); 568 p(sctps_sendecne, "\t\t%ju output ECNE chunk%s\n"); 569 p(sctps_sendauth, "\t\t%ju output AUTH chunk%s\n"); 570 p1a(sctps_senderrors, "\t\t%ju ip_output error counter\n"); 571 572 /* 573 * PCKDROPREP statistics 574 */ 575 printf("\tPacket drop statistics:\n"); 576 p1a(sctps_pdrpfmbox, "\t\t%ju from middle box\n"); 577 p1a(sctps_pdrpfehos, "\t\t%ju from end host\n"); 578 p1a(sctps_pdrpmbda, "\t\t%ju with data\n"); 579 p1a(sctps_pdrpmbct, "\t\t%ju non-data, non-endhost\n"); 580 p1a(sctps_pdrpbwrpt, "\t\t%ju non-endhost, bandwidth rep only\n"); 581 p1a(sctps_pdrpcrupt, "\t\t%ju not enough for chunk header\n"); 582 p1a(sctps_pdrpnedat, "\t\t%ju not enough data to confirm\n"); 583 p1a(sctps_pdrppdbrk, "\t\t%ju where process_chunk_drop said break\n"); 584 p1a(sctps_pdrptsnnf, "\t\t%ju failed to find TSN\n"); 585 p1a(sctps_pdrpdnfnd, "\t\t%ju attempt reverse TSN lookup\n"); 586 p1a(sctps_pdrpdiwnp, "\t\t%ju e-host confirms zero-rwnd\n"); 587 p1a(sctps_pdrpdizrw, "\t\t%ju midbox confirms no space\n"); 588 p1a(sctps_pdrpbadd, "\t\t%ju data did not match TSN\n"); 589 p(sctps_pdrpmark, "\t\t%ju TSN'%s marked for Fast Retran\n"); 590 591 /* 592 * Timeouts 593 */ 594 printf("\tTimeouts:\n"); 595 p(sctps_timoiterator, "\t\t%ju iterator timer%s fired\n"); 596 p(sctps_timodata, "\t\t%ju T3 data time out%s\n"); 597 p(sctps_timowindowprobe, "\t\t%ju window probe (T3) timer%s fired\n"); 598 p(sctps_timoinit, "\t\t%ju INIT timer%s fired\n"); 599 p(sctps_timosack, "\t\t%ju sack timer%s fired\n"); 600 p(sctps_timoshutdown, "\t\t%ju shutdown timer%s fired\n"); 601 p(sctps_timoheartbeat, "\t\t%ju heartbeat timer%s fired\n"); 602 p1a(sctps_timocookie, "\t\t%ju a cookie timeout fired\n"); 603 p1a(sctps_timosecret, "\t\t%ju an endpoint changed its cookie" 604 "secret\n"); 605 p(sctps_timopathmtu, "\t\t%ju PMTU timer%s fired\n"); 606 p(sctps_timoshutdownack, "\t\t%ju shutdown ack timer%s fired\n"); 607 p(sctps_timoshutdownguard, "\t\t%ju shutdown guard timer%s fired\n"); 608 p(sctps_timostrmrst, "\t\t%ju stream reset timer%s fired\n"); 609 p(sctps_timoearlyfr, "\t\t%ju early FR timer%s fired\n"); 610 p1a(sctps_timoasconf, "\t\t%ju an asconf timer fired\n"); 611 p1a(sctps_timoautoclose, "\t\t%ju auto close timer fired\n"); 612 p(sctps_timoassockill, "\t\t%ju asoc free timer%s expired\n"); 613 p(sctps_timoinpkill, "\t\t%ju inp free timer%s expired\n"); 614 615 #if 0 616 /* 617 * Early fast retransmission counters 618 */ 619 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 620 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 621 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 622 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 623 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 624 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 625 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 626 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 627 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 628 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 629 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 630 #endif 631 632 /* 633 * Others 634 */ 635 p1a(sctps_hdrops, "\t%ju packet shorter than header\n"); 636 p1a(sctps_badsum, "\t%ju checksum error\n"); 637 p1a(sctps_noport, "\t%ju no endpoint for port\n"); 638 p1a(sctps_badvtag, "\t%ju bad v-tag\n"); 639 p1a(sctps_badsid, "\t%ju bad SID\n"); 640 p1a(sctps_nomem, "\t%ju no memory\n"); 641 p1a(sctps_fastretransinrtt, "\t%ju number of multiple FR in a RTT " 642 "window\n"); 643 #if 0 644 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 645 #endif 646 p1a(sctps_naglesent, "\t%ju RFC813 allowed sending\n"); 647 p1a(sctps_naglequeued, "\t%ju RFC813 does not allow sending\n"); 648 p1a(sctps_maxburstqueued, "\t%ju max burst dosn't allow sending\n"); 649 p1a(sctps_ifnomemqueued, "\t%ju look ahead tells us no memory in " 650 "interface\n"); 651 p(sctps_windowprobed, "\t%ju number%s of window probes sent\n"); 652 p(sctps_lowlevelerr, "\t%ju time%s an output error to clamp " 653 "down on next user send.\n"); 654 p(sctps_lowlevelerrusr, "\t%ju time%s sctp_senderrors were " 655 "caused from a user\n"); 656 p(sctps_datadropchklmt, "\t%ju number of in data drop%s due to " 657 "chunk limit reached\n"); 658 p(sctps_datadroprwnd, "\t%ju number of in data drop%s due to rwnd " 659 "limit reached\n"); 660 p(sctps_ecnereducedcwnd, "\t%ju time%s a ECN reduced " 661 "the cwnd\n"); 662 p1a(sctps_vtagexpress, "\t%ju used express lookup via vtag\n"); 663 p1a(sctps_vtagbogus, "\t%ju collision in express lookup.\n"); 664 p(sctps_primary_randry, "\t%ju time%s the sender ran dry " 665 "of user data on primary\n"); 666 p1a(sctps_cmt_randry, "\t%ju same for above\n"); 667 p(sctps_slowpath_sack, "\t%ju sack%s the slow way\n"); 668 p(sctps_wu_sacks_sent, "\t%ju window update only sack%s sent\n"); 669 p(sctps_sends_with_flags, "\t%ju send%s with sinfo_flags !=0\n"); 670 p(sctps_sends_with_unord, "\t%ju unordered send%s\n"); 671 p(sctps_sends_with_eof, "\t%ju send%s with EOF flag set\n"); 672 p(sctps_sends_with_abort, "\t%ju send%s with ABORT flag set\n"); 673 p(sctps_protocol_drain_calls, "\t%ju time%s protocol drain called\n"); 674 p(sctps_protocol_drains_done, "\t%ju time%s we did a protocol " 675 "drain\n"); 676 p(sctps_read_peeks, "\t%ju time%s recv was called with peek\n"); 677 p(sctps_cached_chk, "\t%ju cached chunk%s used\n"); 678 p1a(sctps_cached_strmoq, "\t%ju cached stream oq's used\n"); 679 p(sctps_left_abandon, "\t%ju unread message%s abandonded by close\n"); 680 p1a(sctps_send_burst_avoid, "\t%ju send burst avoidance, already " 681 "max burst inflight to net\n"); 682 p1a(sctps_send_cwnd_avoid, "\t%ju send cwnd full avoidance, already " 683 "max burst inflight to net\n"); 684 p(sctps_fwdtsn_map_over, "\t%ju number of map array over-run%s via " 685 "fwd-tsn's\n"); 686 687 #undef p 688 #undef p1a 689 } 690 691 #endif /* SCTP */ 692