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 #if 0 32 #ifndef lint 33 static char sccsid[] = "@(#)sctp.c 0.1 (Berkeley) 4/18/2007"; 34 #endif /* not lint */ 35 #endif 36 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/param.h> 41 #include <sys/queue.h> 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 #include <sys/socketvar.h> 45 #include <sys/sysctl.h> 46 #include <sys/protosw.h> 47 48 #include <netinet/in.h> 49 #include <netinet/sctp.h> 50 #include <netinet/sctp_constants.h> 51 #include <arpa/inet.h> 52 53 #include <err.h> 54 #include <errno.h> 55 #include <libutil.h> 56 #include <netdb.h> 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <unistd.h> 62 #include "netstat.h" 63 64 #ifdef SCTP 65 66 void inetprint(struct in_addr *, int, const char *, int); 67 static void sctp_statesprint(uint32_t state); 68 69 #define NETSTAT_SCTP_STATES_CLOSED 0x0 70 #define NETSTAT_SCTP_STATES_BOUND 0x1 71 #define NETSTAT_SCTP_STATES_LISTEN 0x2 72 #define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3 73 #define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4 74 #define NETSTAT_SCTP_STATES_ESTABLISHED 0x5 75 #define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6 76 #define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7 77 #define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8 78 #define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9 79 80 char *sctpstates[] = { 81 "CLOSED", 82 "BOUND", 83 "LISTEN", 84 "COOKIE_WAIT", 85 "COOKIE_ECHOED", 86 "ESTABLISHED", 87 "SHUTDOWN_SENT", 88 "SHUTDOWN_RECEIVED", 89 "SHUTDOWN_ACK_SENT", 90 "SHUTDOWN_PENDING" 91 }; 92 93 LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; 94 struct xladdr_entry { 95 struct xsctp_laddr *xladdr; 96 LIST_ENTRY(xladdr_entry) xladdr_entries; 97 }; 98 99 LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; 100 struct xraddr_entry { 101 struct xsctp_raddr *xraddr; 102 LIST_ENTRY(xraddr_entry) xraddr_entries; 103 }; 104 105 static int 106 sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) 107 { 108 int exist_tcb = 0; 109 struct xsctp_tcb *xstcb; 110 struct xsctp_raddr *xraddr; 111 struct xsctp_laddr *xladdr; 112 113 while (*offset < buflen) { 114 xladdr = (struct xsctp_laddr *)(buf + *offset); 115 *offset += sizeof(struct xsctp_laddr); 116 if (xladdr->last == 1) 117 break; 118 } 119 120 while (*offset < buflen) { 121 xstcb = (struct xsctp_tcb *)(buf + *offset); 122 *offset += sizeof(struct xsctp_tcb); 123 if (xstcb->last == 1) 124 break; 125 126 exist_tcb = 1; 127 128 while (*offset < buflen) { 129 xladdr = (struct xsctp_laddr *)(buf + *offset); 130 *offset += sizeof(struct xsctp_laddr); 131 if (xladdr->last == 1) 132 break; 133 } 134 135 while (*offset < buflen) { 136 xraddr = (struct xsctp_raddr *)(buf + *offset); 137 *offset += sizeof(struct xsctp_raddr); 138 if (xraddr->last == 1) 139 break; 140 } 141 } 142 143 /* 144 * If Lflag is set, we don't care about the return value. 145 */ 146 if (Lflag) 147 return 0; 148 149 return exist_tcb; 150 } 151 152 static void 153 sctp_process_tcb(struct xsctp_tcb *xstcb, const char *name, 154 char *buf, const size_t buflen, size_t *offset, int *indent) 155 { 156 int i, xl_total = 0, xr_total = 0, x_max; 157 struct sockaddr *sa; 158 struct xsctp_raddr *xraddr; 159 struct xsctp_laddr *xladdr; 160 struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; 161 struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; 162 #ifdef INET6 163 struct sockaddr_in6 *in6; 164 #endif 165 166 LIST_INIT(&xladdr_head); 167 LIST_INIT(&xraddr_head); 168 169 /* 170 * Make `struct xladdr_list' list and `struct xraddr_list' list 171 * to handle the address flexibly. 172 */ 173 while (*offset < buflen) { 174 xladdr = (struct xsctp_laddr *)(buf + *offset); 175 *offset += sizeof(struct xsctp_laddr); 176 if (xladdr->last == 1) 177 break; 178 179 prev_xl = xl; 180 xl = malloc(sizeof(struct xladdr_entry)); 181 if (xl == NULL) { 182 warnx("malloc %lu bytes", 183 (u_long)sizeof(struct xladdr_entry)); 184 goto out; 185 } 186 xl->xladdr = xladdr; 187 if (prev_xl == NULL) 188 LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); 189 else 190 LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); 191 xl_total++; 192 } 193 194 while (*offset < buflen) { 195 xraddr = (struct xsctp_raddr *)(buf + *offset); 196 *offset += sizeof(struct xsctp_raddr); 197 if (xraddr->last == 1) 198 break; 199 200 prev_xr = xr; 201 xr = malloc(sizeof(struct xraddr_entry)); 202 if (xr == NULL) { 203 warnx("malloc %lu bytes", 204 (u_long)sizeof(struct xraddr_entry)); 205 goto out; 206 } 207 xr->xraddr = xraddr; 208 if (prev_xr == NULL) 209 LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); 210 else 211 LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); 212 xr_total++; 213 } 214 215 /* 216 * Let's print the address infos. 217 */ 218 xl = LIST_FIRST(&xladdr_head); 219 xr = LIST_FIRST(&xraddr_head); 220 x_max = (xl_total > xr_total) ? xl_total : xr_total; 221 for (i = 0; i < x_max; i++) { 222 if (((*indent == 0) && i > 0) || *indent > 0) 223 printf("%-11s ", " "); 224 225 if (xl != NULL) { 226 sa = &(xl->xladdr->address.sa); 227 if ((sa->sa_family) == AF_INET) 228 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 229 htons(xstcb->local_port), 230 name, numeric_port); 231 #ifdef INET6 232 else { 233 in6 = (struct sockaddr_in6 *)sa; 234 inet6print(&in6->sin6_addr, 235 htons(xstcb->local_port), 236 name, numeric_port); 237 } 238 #endif 239 } 240 241 if (xr != NULL && !Lflag) { 242 sa = &(xr->xraddr->address.sa); 243 if ((sa->sa_family) == AF_INET) 244 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 245 htons(xstcb->remote_port), 246 name, numeric_port); 247 #ifdef INET6 248 else { 249 in6 = (struct sockaddr_in6 *)sa; 250 inet6print(&in6->sin6_addr, 251 htons(xstcb->remote_port), 252 name, numeric_port); 253 } 254 #endif 255 } 256 257 if (xl != NULL) 258 xl = LIST_NEXT(xl, xladdr_entries); 259 if (xr != NULL) 260 xr = LIST_NEXT(xr, xraddr_entries); 261 262 if (i == 0 && !Lflag) 263 sctp_statesprint(xstcb->state); 264 265 if (i < x_max) 266 putchar('\n'); 267 } 268 269 out: 270 /* 271 * Free the list which be used to handle the address. 272 */ 273 xl = LIST_FIRST(&xladdr_head); 274 while (xl != NULL) { 275 xl_tmp = LIST_NEXT(xl, xladdr_entries); 276 free(xl); 277 xl = xl_tmp; 278 } 279 280 xr = LIST_FIRST(&xraddr_head); 281 while (xr != NULL) { 282 xr_tmp = LIST_NEXT(xr, xraddr_entries); 283 free(xr); 284 xr = xr_tmp; 285 } 286 } 287 288 #ifdef SCTP_DEBUG 289 uint32_t sctp_pdup[64]; 290 int sctp_pcnt = 0; 291 #endif 292 293 static void 294 sctp_process_inpcb(struct xsctp_inpcb *xinpcb, const char *name, 295 char *buf, const size_t buflen, size_t *offset) 296 { 297 int offset_backup, indent = 0, xladdr_total = 0, is_listening = 0; 298 static int first = 1; 299 char *tname; 300 struct xsctp_tcb *xstcb; 301 struct xsctp_laddr *xladdr; 302 struct sockaddr *sa; 303 #ifdef INET6 304 struct sockaddr_in6 *in6; 305 #endif 306 307 if ((xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) == 308 SCTP_PCB_FLAGS_TCPTYPE && xinpcb->maxqlen > 0) 309 is_listening = 1; 310 311 if (!Lflag && !is_listening && 312 !(xinpcb->flags & SCTP_PCB_FLAGS_CONNECTED)) { 313 #ifdef SCTP_DEBUG 314 int i, found = 0; 315 316 for (i = 0; i < sctp_pcnt; i++) { 317 if (sctp_pdup[i] == xinpcb->flags) { 318 found = 1; 319 break; 320 } 321 } 322 if (!found) { 323 sctp_pdup[sctp_pcnt++] = xinpcb->flags; 324 if (sctp_pcnt >= 64) 325 sctp_pcnt = 0; 326 printf("[0x%08x]", xinpcb->flags); 327 } 328 #endif 329 offset_backup = *offset; 330 if (!sctp_skip_xinpcb_ifneed(buf, buflen, offset)) 331 return; 332 *offset = offset_backup; 333 } 334 335 if (first) { 336 if (!Lflag) { 337 printf("Active SCTP associations"); 338 if (aflag) 339 printf(" (including servers)"); 340 } else 341 printf("Current listen queue sizes (qlen/maxqlen)"); 342 putchar('\n'); 343 if (Aflag) 344 printf("%-8.8s ", "Socket"); 345 if (Lflag) 346 printf("%-5.5s %-5.5s %-8.8s %-22.22s\n", 347 "Proto", "Type", "Listen", "Local Address"); 348 else 349 printf((Aflag && !Wflag) ? 350 "%-5.5s %-5.5s %-18.18s %-18.18s %s\n" : 351 "%-5.5s %-5.5s %-22.22s %-22.22s %s\n", 352 "Proto", "Type", 353 "Local Address", "Foreign Address", 354 "(state)"); 355 first = 0; 356 } 357 if (Lflag && xinpcb->maxqlen == 0) { 358 sctp_skip_xinpcb_ifneed(buf, buflen, offset); 359 return; 360 } 361 if (Aflag) 362 printf("%8lx ", (u_long)xinpcb); 363 364 printf("%-5.5s ", name); 365 366 if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) 367 tname = "1to1"; 368 else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) 369 tname = "1toN"; 370 else 371 return; 372 373 printf("%-5.5s ", tname); 374 375 if (Lflag) { 376 char buf1[9]; 377 378 snprintf(buf1, 9, "%hu/%hu", xinpcb->qlen, xinpcb->maxqlen); 379 printf("%-8.8s ", buf1); 380 } 381 /* 382 * process the local address. This routine are used for Lflag. 383 */ 384 while (*offset < buflen) { 385 xladdr = (struct xsctp_laddr *)(buf + *offset); 386 *offset += sizeof(struct xsctp_laddr); 387 if (xladdr->last == 1) 388 break; 389 390 if (!Lflag && !is_listening) 391 continue; 392 393 if (xladdr_total != 0) 394 putchar('\n'); 395 if (xladdr_total > 0) 396 printf((Lflag) ? 397 "%-20.20s " : "%-11.11s ", " "); 398 399 sa = &(xladdr->address.sa); 400 if ((sa->sa_family) == AF_INET) 401 inetprint(&((struct sockaddr_in *)sa)->sin_addr, 402 htons(xinpcb->local_port), name, numeric_port); 403 #ifdef INET6 404 else { 405 in6 = (struct sockaddr_in6 *)sa; 406 inet6print(&in6->sin6_addr, 407 htons(xinpcb->local_port), name, numeric_port); 408 } 409 #endif 410 411 if (!Lflag && xladdr_total == 0 && is_listening == 1) 412 printf("%-22.22s LISTEN", " "); 413 414 xladdr_total++; 415 } 416 417 xstcb = (struct xsctp_tcb *)(buf + *offset); 418 *offset += sizeof(struct xsctp_tcb); 419 while (xstcb->last == 0 && *offset < buflen) { 420 sctp_process_tcb(xstcb, name, buf, buflen, offset, &indent); 421 indent++; 422 xstcb = (struct xsctp_tcb *)(buf + *offset); 423 *offset += sizeof(struct xsctp_tcb); 424 } 425 426 putchar('\n'); 427 } 428 429 /* 430 * Print a summary of SCTP connections related to an Internet 431 * protocol. 432 */ 433 void 434 sctp_protopr(u_long off __unused, 435 const char *name, int af1, int proto) 436 { 437 char *buf; 438 const char *mibvar = "net.inet.sctp.assoclist"; 439 size_t offset = 0; 440 size_t len = 0; 441 struct xsctp_inpcb *xinpcb; 442 443 if (proto != IPPROTO_SCTP) 444 return; 445 446 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 447 if (errno != ENOENT) 448 warn("sysctl: %s", mibvar); 449 return; 450 } 451 if ((buf = malloc(len)) == 0) { 452 warnx("malloc %lu bytes", (u_long)len); 453 return; 454 } 455 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 456 warn("sysctl: %s", mibvar); 457 free(buf); 458 return; 459 } 460 461 xinpcb = (struct xsctp_inpcb *)(buf + offset); 462 offset += sizeof(struct xsctp_inpcb); 463 while (xinpcb->last == 0 && offset < len) { 464 sctp_process_inpcb(xinpcb, name, buf, (const size_t)len, 465 &offset); 466 467 xinpcb = (struct xsctp_inpcb *)(buf + offset); 468 offset += sizeof(struct xsctp_inpcb); 469 } 470 471 free(buf); 472 } 473 474 static void 475 sctp_statesprint(uint32_t state) 476 { 477 int idx; 478 479 switch (state) { 480 case SCTP_STATE_COOKIE_WAIT: 481 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 482 break; 483 case SCTP_STATE_COOKIE_ECHOED: 484 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 485 break; 486 case SCTP_STATE_OPEN: 487 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 488 break; 489 case SCTP_STATE_SHUTDOWN_SENT: 490 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 491 break; 492 case SCTP_STATE_SHUTDOWN_RECEIVED: 493 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 494 break; 495 case SCTP_STATE_SHUTDOWN_ACK_SENT: 496 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 497 break; 498 case SCTP_STATE_SHUTDOWN_PENDING: 499 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 500 break; 501 default: 502 printf("UNKNOWN 0x%08x", state); 503 return; 504 } 505 506 printf("%s", sctpstates[idx]); 507 } 508 509 /* 510 * Dump SCTP statistics structure. 511 */ 512 void 513 sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 514 { 515 struct sctpstat sctpstat, zerostat; 516 size_t len = sizeof(sctpstat); 517 518 if (live) { 519 if (zflag) 520 memset(&zerostat, 0, len); 521 if (sysctlbyname("net.inet.sctp.stats", &sctpstat, &len, 522 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 523 warn("sysctl: net.inet.sctp.stats"); 524 return; 525 } 526 } else 527 kread(off, &sctpstat, len); 528 529 printf ("%s:\n", name); 530 531 #define p(f, m) if (sctpstat.f || sflag <= 1) \ 532 printf(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 533 #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 534 printf(m, (uintmax_t)sctpstat.f) 535 536 /* 537 * input statistics 538 */ 539 p(sctps_recvpackets, "\t%ju input packet%s\n"); 540 p(sctps_recvdatagrams, "\t\t%ju datagram%s\n"); 541 p(sctps_recvpktwithdata, "\t\t%ju packet%s that had data\n"); 542 p(sctps_recvsacks, "\t\t%ju input SACK chunk%s\n"); 543 p(sctps_recvdata, "\t\t%ju input DATA chunk%s\n"); 544 p(sctps_recvdupdata, "\t\t%ju duplicate DATA chunk%s\n"); 545 p(sctps_recvheartbeat, "\t\t%ju input HB chunk%s\n"); 546 p(sctps_recvheartbeatack, "\t\t%ju HB-ACK chunk%s\n"); 547 p(sctps_recvecne, "\t\t%ju input ECNE chunk%s\n"); 548 p(sctps_recvauth, "\t\t%ju input AUTH chunk%s\n"); 549 p(sctps_recvauthmissing, "\t\t%ju chunk%s missing AUTH\n"); 550 p(sctps_recvivalhmacid, "\t\t%ju invalid HMAC id%s received\n"); 551 p(sctps_recvivalkeyid, "\t\t%ju invalid secret id%s received\n"); 552 p1a(sctps_recvauthfailed, "\t\t%ju auth failed\n"); 553 p1a(sctps_recvexpress, "\t\t%ju fast path receives all one chunk\n"); 554 p1a(sctps_recvexpressm, "\t\t%ju fast path multi-part data\n"); 555 556 /* 557 * output statistics 558 */ 559 p(sctps_sendpackets, "\t%ju output packet%s\n"); 560 p(sctps_sendsacks, "\t\t%ju output SACK%s\n"); 561 p(sctps_senddata, "\t\t%ju output DATA chunk%s\n"); 562 p(sctps_sendretransdata, "\t\t%ju retransmitted DATA chunk%s\n"); 563 p(sctps_sendfastretrans, "\t\t%ju fast retransmitted DATA chunk%s\n"); 564 p(sctps_sendmultfastretrans, "\t\t%ju FR'%s that happened more " 565 "than once to same chunk\n"); 566 p(sctps_sendheartbeat, "\t\t%ju intput HB chunk%s\n"); 567 p(sctps_sendecne, "\t\t%ju output ECNE chunk%s\n"); 568 p(sctps_sendauth, "\t\t%ju output AUTH chunk%s\n"); 569 p1a(sctps_senderrors, "\t\t%ju ip_output error counter\n"); 570 571 /* 572 * PCKDROPREP statistics 573 */ 574 printf("\tPacket drop statistics:\n"); 575 p1a(sctps_pdrpfmbox, "\t\t%ju from middle box\n"); 576 p1a(sctps_pdrpfehos, "\t\t%ju from end host\n"); 577 p1a(sctps_pdrpmbda, "\t\t%ju with data\n"); 578 p1a(sctps_pdrpmbct, "\t\t%ju non-data, non-endhost\n"); 579 p1a(sctps_pdrpbwrpt, "\t\t%ju non-endhost, bandwidth rep only\n"); 580 p1a(sctps_pdrpcrupt, "\t\t%ju not enough for chunk header\n"); 581 p1a(sctps_pdrpnedat, "\t\t%ju not enough data to confirm\n"); 582 p1a(sctps_pdrppdbrk, "\t\t%ju where process_chunk_drop said break\n"); 583 p1a(sctps_pdrptsnnf, "\t\t%ju failed to find TSN\n"); 584 p1a(sctps_pdrpdnfnd, "\t\t%ju attempt reverse TSN lookup\n"); 585 p1a(sctps_pdrpdiwnp, "\t\t%ju e-host confirms zero-rwnd\n"); 586 p1a(sctps_pdrpdizrw, "\t\t%ju midbox confirms no space\n"); 587 p1a(sctps_pdrpbadd, "\t\t%ju data did not match TSN\n"); 588 p(sctps_pdrpmark, "\t\t%ju TSN'%s marked for Fast Retran\n"); 589 590 /* 591 * Timeouts 592 */ 593 printf("\tTimeouts:\n"); 594 p(sctps_timoiterator, "\t\t%ju iterator timer%s fired\n"); 595 p(sctps_timodata, "\t\t%ju T3 data time out%s\n"); 596 p(sctps_timowindowprobe, "\t\t%ju window probe (T3) timer%s fired\n"); 597 p(sctps_timoinit, "\t\t%ju INIT timer%s fired\n"); 598 p(sctps_timosack, "\t\t%ju sack timer%s fired\n"); 599 p(sctps_timoshutdown, "\t\t%ju shutdown timer%s fired\n"); 600 p(sctps_timoheartbeat, "\t\t%ju heartbeat timer%s fired\n"); 601 p1a(sctps_timocookie, "\t\t%ju a cookie timeout fired\n"); 602 p1a(sctps_timosecret, "\t\t%ju an endpoint changed its cookie" 603 "secret\n"); 604 p(sctps_timopathmtu, "\t\t%ju PMTU timer%s fired\n"); 605 p(sctps_timoshutdownack, "\t\t%ju shutdown ack timer%s fired\n"); 606 p(sctps_timoshutdownguard, "\t\t%ju shutdown guard timer%s fired\n"); 607 p(sctps_timostrmrst, "\t\t%ju stream reset timer%s fired\n"); 608 p(sctps_timoearlyfr, "\t\t%ju early FR timer%s fired\n"); 609 p1a(sctps_timoasconf, "\t\t%ju an asconf timer fired\n"); 610 p1a(sctps_timoautoclose, "\t\t%ju auto close timer fired\n"); 611 p(sctps_timoassockill, "\t\t%ju asoc free timer%s expired\n"); 612 p(sctps_timoinpkill, "\t\t%ju inp free timer%s expired\n"); 613 614 #if 0 615 /* 616 * Early fast retransmission counters 617 */ 618 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 619 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 620 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 621 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 622 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 623 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 624 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 625 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 626 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 627 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 628 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 629 #endif 630 631 /* 632 * Others 633 */ 634 p1a(sctps_hdrops, "\t%ju packet shorter than header\n"); 635 p1a(sctps_badsum, "\t%ju checksum error\n"); 636 p1a(sctps_noport, "\t%ju no endpoint for port\n"); 637 p1a(sctps_badvtag, "\t%ju bad v-tag\n"); 638 p1a(sctps_badsid, "\t%ju bad SID\n"); 639 p1a(sctps_nomem, "\t%ju no memory\n"); 640 p1a(sctps_fastretransinrtt, "\t%ju number of multiple FR in a RTT " 641 "window\n"); 642 #if 0 643 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 644 #endif 645 p1a(sctps_naglesent, "\t%ju RFC813 allowed sending\n"); 646 p1a(sctps_naglequeued, "\t%ju RFC813 does not allow sending\n"); 647 p1a(sctps_maxburstqueued, "\t%ju times max burst prohibited sending\n"); 648 p1a(sctps_ifnomemqueued, "\t%ju look ahead tells us no memory in " 649 "interface\n"); 650 p(sctps_windowprobed, "\t%ju number%s of window probes sent\n"); 651 p(sctps_lowlevelerr, "\t%ju time%s an output error to clamp " 652 "down on next user send\n"); 653 p(sctps_lowlevelerrusr, "\t%ju time%s sctp_senderrors were " 654 "caused from a user\n"); 655 p(sctps_datadropchklmt, "\t%ju number of in data drop%s due to " 656 "chunk limit reached\n"); 657 p(sctps_datadroprwnd, "\t%ju number of in data drop%s due to rwnd " 658 "limit reached\n"); 659 p(sctps_ecnereducedcwnd, "\t%ju time%s a ECN reduced " 660 "the cwnd\n"); 661 p1a(sctps_vtagexpress, "\t%ju used express lookup via vtag\n"); 662 p1a(sctps_vtagbogus, "\t%ju collision in express lookup\n"); 663 p(sctps_primary_randry, "\t%ju time%s the sender ran dry " 664 "of user data on primary\n"); 665 p1a(sctps_cmt_randry, "\t%ju same for above\n"); 666 p(sctps_slowpath_sack, "\t%ju sack%s the slow way\n"); 667 p(sctps_wu_sacks_sent, "\t%ju window update only sack%s sent\n"); 668 p(sctps_sends_with_flags, "\t%ju send%s with sinfo_flags !=0\n"); 669 p(sctps_sends_with_unord, "\t%ju unordered send%s\n"); 670 p(sctps_sends_with_eof, "\t%ju send%s with EOF flag set\n"); 671 p(sctps_sends_with_abort, "\t%ju send%s with ABORT flag set\n"); 672 p(sctps_protocol_drain_calls, "\t%ju time%s protocol drain called\n"); 673 p(sctps_protocol_drains_done, "\t%ju time%s we did a protocol " 674 "drain\n"); 675 p(sctps_read_peeks, "\t%ju time%s recv was called with peek\n"); 676 p(sctps_cached_chk, "\t%ju cached chunk%s used\n"); 677 p1a(sctps_cached_strmoq, "\t%ju cached stream oq's used\n"); 678 p(sctps_left_abandon, "\t%ju unread message%s abandonded by close\n"); 679 p1a(sctps_send_burst_avoid, "\t%ju send burst avoidance, already " 680 "max burst inflight to net\n"); 681 p1a(sctps_send_cwnd_avoid, "\t%ju send cwnd full avoidance, already " 682 "max burst inflight to net\n"); 683 p(sctps_fwdtsn_map_over, "\t%ju number of map array over-run%s via " 684 "fwd-tsn's\n"); 685 686 #undef p 687 #undef p1a 688 } 689 690 #endif /* SCTP */ 691