1/*- 2 * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved. 3 * Copyright (c) 2011, by Michael Tuexen. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * a) Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * b) Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the distribution. 14 * 15 * c) Neither the name of Cisco Systems, Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#if 0 33#ifndef lint 34static 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 67static 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 80const 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 93LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; 94struct xladdr_entry { 95 struct xsctp_laddr *xladdr; 96 LIST_ENTRY(xladdr_entry) xladdr_entries; 97}; 98 99LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; 100struct xraddr_entry { 101 struct xsctp_raddr *xraddr; 102 LIST_ENTRY(xraddr_entry) xraddr_entries; 103}; 104 105/* 106 * Construct an Internet address representation. 107 * If numeric_addr has been supplied, give 108 * numeric value, otherwise try for symbolic name. 109 */ 110#ifdef INET 111static char * 112inetname(struct in_addr *inp) 113{ 114 char *cp; 115 static char line[MAXHOSTNAMELEN]; 116 struct hostent *hp; 117 struct netent *np; 118 119 cp = 0; 120 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 121 int net = inet_netof(*inp); 122 int lna = inet_lnaof(*inp); 123 124 if (lna == INADDR_ANY) { 125 np = getnetbyaddr(net, AF_INET); 126 if (np) 127 cp = np->n_name; 128 } 129 if (cp == 0) { 130 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 131 if (hp) { 132 cp = hp->h_name; 133 trimdomain(cp, strlen(cp)); 134 } 135 } 136 } 137 if (inp->s_addr == INADDR_ANY) 138 strcpy(line, "*"); 139 else if (cp) { 140 strlcpy(line, cp, sizeof(line)); 141 } else { 142 inp->s_addr = ntohl(inp->s_addr); 143#define C(x) ((u_int)((x) & 0xff)) 144 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 145 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 146 inp->s_addr = htonl(inp->s_addr); 147 } 148 return (line); 149} 150#endif 151 152#ifdef INET6 153static char ntop_buf[INET6_ADDRSTRLEN]; 154 155static char * 156inet6name(struct in6_addr *in6p) 157{ 158 char *cp; 159 static char line[50]; 160 struct hostent *hp; 161 static char domain[MAXHOSTNAMELEN]; 162 static int first = 1; 163 164 if (first && !numeric_addr) { 165 first = 0; 166 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 167 (cp = strchr(domain, '.'))) 168 (void) strcpy(domain, cp + 1); 169 else 170 domain[0] = 0; 171 } 172 cp = 0; 173 if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { 174 hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); 175 if (hp) { 176 if ((cp = strchr(hp->h_name, '.')) && 177 !strcmp(cp + 1, domain)) 178 *cp = 0; 179 cp = hp->h_name; 180 } 181 } 182 if (IN6_IS_ADDR_UNSPECIFIED(in6p)) 183 strcpy(line, "*"); 184 else if (cp) 185 strcpy(line, cp); 186 else 187 sprintf(line, "%s", 188 inet_ntop(AF_INET6, (void *)in6p, ntop_buf, 189 sizeof(ntop_buf))); 190 return (line); 191} 192#endif 193 194static void 195sctp_print_address(union sctp_sockstore *address, int port, int num_port) 196{ 197 struct servent *sp = 0; 198 char line[80], *cp; 199 int width; 200 201 switch (address->sa.sa_family) { 202#ifdef INET 203 case AF_INET: 204 sprintf(line, "%.*s.", Wflag ? 39 : 16, inetname(&address->sin.sin_addr)); 205 break; 206#endif 207#ifdef INET6 208 case AF_INET6: 209 sprintf(line, "%.*s.", Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr)); 210 break; 211#endif 212 default: 213 sprintf(line, "%.*s.", Wflag ? 39 : 16, ""); 214 break; 215 } 216 cp = strchr(line, '\0'); 217 if (!num_port && port) 218 sp = getservbyport((int)port, "sctp"); 219 if (sp || port == 0) 220 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 221 else 222 sprintf(cp, "%d ", ntohs((u_short)port)); 223 width = Wflag ? 45 : 22; 224 printf("%-*.*s ", width, width, line); 225} 226 227static int 228sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) 229{ 230 int exist_tcb = 0; 231 struct xsctp_tcb *xstcb; 232 struct xsctp_raddr *xraddr; 233 struct xsctp_laddr *xladdr; 234 235 while (*offset < buflen) { 236 xladdr = (struct xsctp_laddr *)(buf + *offset); 237 *offset += sizeof(struct xsctp_laddr); 238 if (xladdr->last == 1) 239 break; 240 } 241 242 while (*offset < buflen) { 243 xstcb = (struct xsctp_tcb *)(buf + *offset); 244 *offset += sizeof(struct xsctp_tcb); 245 if (xstcb->last == 1) 246 break; 247 248 exist_tcb = 1; 249 250 while (*offset < buflen) { 251 xladdr = (struct xsctp_laddr *)(buf + *offset); 252 *offset += sizeof(struct xsctp_laddr); 253 if (xladdr->last == 1) 254 break; 255 } 256 257 while (*offset < buflen) { 258 xraddr = (struct xsctp_raddr *)(buf + *offset); 259 *offset += sizeof(struct xsctp_raddr); 260 if (xraddr->last == 1) 261 break; 262 } 263 } 264 265 /* 266 * If Lflag is set, we don't care about the return value. 267 */ 268 if (Lflag) 269 return 0; 270 271 return exist_tcb; 272} 273 274static void 275sctp_process_tcb(struct xsctp_tcb *xstcb, 276 char *buf, const size_t buflen, size_t *offset, int *indent) 277{ 278 int i, xl_total = 0, xr_total = 0, x_max; 279 struct xsctp_raddr *xraddr; 280 struct xsctp_laddr *xladdr; 281 struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; 282 struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; 283 284 LIST_INIT(&xladdr_head); 285 LIST_INIT(&xraddr_head); 286 287 /* 288 * Make `struct xladdr_list' list and `struct xraddr_list' list 289 * to handle the address flexibly. 290 */ 291 while (*offset < buflen) { 292 xladdr = (struct xsctp_laddr *)(buf + *offset); 293 *offset += sizeof(struct xsctp_laddr); 294 if (xladdr->last == 1) 295 break; 296 297 prev_xl = xl; 298 xl = malloc(sizeof(struct xladdr_entry)); 299 if (xl == NULL) { 300 warnx("malloc %lu bytes", 301 (u_long)sizeof(struct xladdr_entry)); 302 goto out; 303 } 304 xl->xladdr = xladdr; 305 if (prev_xl == NULL) 306 LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); 307 else 308 LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); 309 xl_total++; 310 } 311 312 while (*offset < buflen) { 313 xraddr = (struct xsctp_raddr *)(buf + *offset); 314 *offset += sizeof(struct xsctp_raddr); 315 if (xraddr->last == 1) 316 break; 317 318 prev_xr = xr; 319 xr = malloc(sizeof(struct xraddr_entry)); 320 if (xr == NULL) { 321 warnx("malloc %lu bytes", 322 (u_long)sizeof(struct xraddr_entry)); 323 goto out; 324 } 325 xr->xraddr = xraddr; 326 if (prev_xr == NULL) 327 LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); 328 else 329 LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); 330 xr_total++; 331 } 332 333 /* 334 * Let's print the address infos. 335 */ 336 xl = LIST_FIRST(&xladdr_head); 337 xr = LIST_FIRST(&xraddr_head); 338 x_max = (xl_total > xr_total) ? xl_total : xr_total; 339 for (i = 0; i < x_max; i++) { 340 if (((*indent == 0) && i > 0) || *indent > 0) 341 printf("%-12s ", " "); 342 343 if (xl != NULL) { 344 sctp_print_address(&(xl->xladdr->address), 345 htons(xstcb->local_port), numeric_port); 346 } else { 347 if (Wflag) { 348 printf("%-45s ", " "); 349 } else { 350 printf("%-22s ", " "); 351 } 352 } 353 354 if (xr != NULL && !Lflag) { 355 sctp_print_address(&(xr->xraddr->address), 356 htons(xstcb->remote_port), numeric_port); 357 } 358 359 if (xl != NULL) 360 xl = LIST_NEXT(xl, xladdr_entries); 361 if (xr != NULL) 362 xr = LIST_NEXT(xr, xraddr_entries); 363 364 if (i == 0 && !Lflag) 365 sctp_statesprint(xstcb->state); 366 367 if (i < x_max) 368 putchar('\n'); 369 } 370 371out: 372 /* 373 * Free the list which be used to handle the address. 374 */ 375 xl = LIST_FIRST(&xladdr_head); 376 while (xl != NULL) { 377 xl_tmp = LIST_NEXT(xl, xladdr_entries); 378 free(xl); 379 xl = xl_tmp; 380 } 381 382 xr = LIST_FIRST(&xraddr_head); 383 while (xr != NULL) { 384 xr_tmp = LIST_NEXT(xr, xraddr_entries); 385 free(xr); 386 xr = xr_tmp; 387 } 388} 389 390static void 391sctp_process_inpcb(struct xsctp_inpcb *xinpcb, 392 char *buf, const size_t buflen, size_t *offset) 393{ 394 int indent = 0, xladdr_total = 0, is_listening = 0; 395 static int first = 1; 396 const char *tname, *pname; 397 struct xsctp_tcb *xstcb; 398 struct xsctp_laddr *xladdr; 399 size_t offset_laddr; 400 int process_closed; 401 402 if (xinpcb->maxqlen > 0) 403 is_listening = 1; 404 405 if (first) { 406 if (!Lflag) { 407 printf("Active SCTP associations"); 408 if (aflag) 409 printf(" (including servers)"); 410 } else 411 printf("Current listen queue sizes (qlen/maxqlen)"); 412 putchar('\n'); 413 if (Lflag) 414 printf("%-6.6s %-5.5s %-8.8s %-22.22s\n", 415 "Proto", "Type", "Listen", "Local Address"); 416 else 417 if (Wflag) 418 printf("%-6.6s %-5.5s %-45.45s %-45.45s %s\n", 419 "Proto", "Type", 420 "Local Address", "Foreign Address", 421 "(state)"); 422 else 423 printf("%-6.6s %-5.5s %-22.22s %-22.22s %s\n", 424 "Proto", "Type", 425 "Local Address", "Foreign Address", 426 "(state)"); 427 first = 0; 428 } 429 xladdr = (struct xsctp_laddr *)(buf + *offset); 430 if (Lflag && !is_listening) { 431 sctp_skip_xinpcb_ifneed(buf, buflen, offset); 432 return; 433 } 434 435 if (xinpcb->flags & SCTP_PCB_FLAGS_BOUND_V6) { 436 /* Can't distinguish between sctp46 and sctp6 */ 437 pname = "sctp46"; 438 } else { 439 pname = "sctp4"; 440 } 441 442 if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) 443 tname = "1to1"; 444 else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) 445 tname = "1toN"; 446 else 447 tname = "????"; 448 449 if (Lflag) { 450 char buf1[9]; 451 452 snprintf(buf1, 9, "%hu/%hu", xinpcb->qlen, xinpcb->maxqlen); 453 printf("%-6.6s %-5.5s ", pname, tname); 454 printf("%-8.8s ", buf1); 455 } 456 457 offset_laddr = *offset; 458 process_closed = 0; 459retry: 460 while (*offset < buflen) { 461 xladdr = (struct xsctp_laddr *)(buf + *offset); 462 *offset += sizeof(struct xsctp_laddr); 463 if (xladdr->last) { 464 if (aflag && !Lflag && (xladdr_total == 0) && process_closed) { 465 printf("%-6.6s %-5.5s ", pname, tname); 466 if (Wflag) { 467 printf("%-91.91s CLOSED", " "); 468 } else { 469 printf("%-45.45s CLOSED", " "); 470 } 471 } 472 if (process_closed || is_listening) { 473 putchar('\n'); 474 } 475 break; 476 } 477 478 if (!Lflag && !is_listening && !process_closed) 479 continue; 480 481 if (xladdr_total == 0) { 482 printf("%-6.6s %-5.5s ", pname, tname); 483 } else { 484 putchar('\n'); 485 printf((Lflag) ? 486 "%-21.21s " : "%-12.12s ", " "); 487 } 488 sctp_print_address(&(xladdr->address), 489 htons(xinpcb->local_port), numeric_port); 490 if (aflag && !Lflag && xladdr_total == 0) { 491 if (Wflag) { 492 if (process_closed) { 493 printf("%-45.45s CLOSED", " "); 494 } else { 495 printf("%-45.45s LISTEN", " "); 496 } 497 } else { 498 if (process_closed) { 499 printf("%-22.22s CLOSED", " "); 500 } else { 501 printf("%-22.22s LISTEN", " "); 502 } 503 } 504 } 505 xladdr_total++; 506 } 507 508 xstcb = (struct xsctp_tcb *)(buf + *offset); 509 *offset += sizeof(struct xsctp_tcb); 510 if (aflag && (xladdr_total == 0) && xstcb->last && !process_closed) { 511 process_closed = 1; 512 *offset = offset_laddr; 513 goto retry; 514 } 515 while (xstcb->last == 0 && *offset < buflen) { 516 printf("%-6.6s %-5.5s ", pname, tname); 517 sctp_process_tcb(xstcb, buf, buflen, offset, &indent); 518 indent++; 519 xstcb = (struct xsctp_tcb *)(buf + *offset); 520 *offset += sizeof(struct xsctp_tcb); 521 } 522} 523 524/* 525 * Print a summary of SCTP connections related to an Internet 526 * protocol. 527 */ 528void 529sctp_protopr(u_long off __unused, 530 const char *name __unused, int af1 __unused, int proto) 531{ 532 char *buf; 533 const char *mibvar = "net.inet.sctp.assoclist"; 534 size_t offset = 0; 535 size_t len = 0; 536 struct xsctp_inpcb *xinpcb; 537 538 if (proto != IPPROTO_SCTP) 539 return; 540 541 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 542 if (errno != ENOENT) 543 warn("sysctl: %s", mibvar); 544 return; 545 } 546 if ((buf = malloc(len)) == 0) { 547 warnx("malloc %lu bytes", (u_long)len); 548 return; 549 } 550 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 551 warn("sysctl: %s", mibvar); 552 free(buf); 553 return; 554 } 555 556 xinpcb = (struct xsctp_inpcb *)(buf + offset); 557 offset += sizeof(struct xsctp_inpcb); 558 while (xinpcb->last == 0 && offset < len) { 559 sctp_process_inpcb(xinpcb, buf, (const size_t)len, 560 &offset); 561 562 xinpcb = (struct xsctp_inpcb *)(buf + offset); 563 offset += sizeof(struct xsctp_inpcb); 564 } 565 566 free(buf); 567} 568 569static void 570sctp_statesprint(uint32_t state) 571{ 572 int idx; 573 574 switch (state) { 575 case SCTP_STATE_COOKIE_WAIT: 576 idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; 577 break; 578 case SCTP_STATE_COOKIE_ECHOED: 579 idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; 580 break; 581 case SCTP_STATE_OPEN: 582 idx = NETSTAT_SCTP_STATES_ESTABLISHED; 583 break; 584 case SCTP_STATE_SHUTDOWN_SENT: 585 idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; 586 break; 587 case SCTP_STATE_SHUTDOWN_RECEIVED: 588 idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; 589 break; 590 case SCTP_STATE_SHUTDOWN_ACK_SENT: 591 idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; 592 break; 593 case SCTP_STATE_SHUTDOWN_PENDING: 594 idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; 595 break; 596 default: 597 printf("UNKNOWN 0x%08x", state); 598 return; 599 } 600 601 printf("%s", sctpstates[idx]); 602} 603 604/* 605 * Dump SCTP statistics structure. 606 */ 607void 608sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 609{ 610 struct sctpstat sctpstat, zerostat; 611 size_t len = sizeof(sctpstat); 612 613 if (live) { 614 if (zflag) 615 memset(&zerostat, 0, len); 616 if (sysctlbyname("net.inet.sctp.stats", &sctpstat, &len, 617 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 618 if (errno != ENOENT) 619 warn("sysctl: net.inet.sctp.stats"); 620 return; 621 } 622 } else 623 kread(off, &sctpstat, len); 624 625 printf ("%s:\n", name); 626 627#define p(f, m) if (sctpstat.f || sflag <= 1) \ 628 printf(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) 629#define p1a(f, m) if (sctpstat.f || sflag <= 1) \ 630 printf(m, (uintmax_t)sctpstat.f) 631 632 /* 633 * input statistics 634 */ 635 p(sctps_recvpackets, "\t%ju input packet%s\n"); 636 p(sctps_recvdatagrams, "\t\t%ju datagram%s\n"); 637 p(sctps_recvpktwithdata, "\t\t%ju packet%s that had data\n"); 638 p(sctps_recvsacks, "\t\t%ju input SACK chunk%s\n"); 639 p(sctps_recvdata, "\t\t%ju input DATA chunk%s\n"); 640 p(sctps_recvdupdata, "\t\t%ju duplicate DATA chunk%s\n"); 641 p(sctps_recvheartbeat, "\t\t%ju input HB chunk%s\n"); 642 p(sctps_recvheartbeatack, "\t\t%ju HB-ACK chunk%s\n"); 643 p(sctps_recvecne, "\t\t%ju input ECNE chunk%s\n"); 644 p(sctps_recvauth, "\t\t%ju input AUTH chunk%s\n"); 645 p(sctps_recvauthmissing, "\t\t%ju chunk%s missing AUTH\n"); 646 p(sctps_recvivalhmacid, "\t\t%ju invalid HMAC id%s received\n"); 647 p(sctps_recvivalkeyid, "\t\t%ju invalid secret id%s received\n"); 648 p1a(sctps_recvauthfailed, "\t\t%ju auth failed\n"); 649 p1a(sctps_recvexpress, "\t\t%ju fast path receives all one chunk\n"); 650 p1a(sctps_recvexpressm, "\t\t%ju fast path multi-part data\n"); 651 652 /* 653 * output statistics 654 */ 655 p(sctps_sendpackets, "\t%ju output packet%s\n"); 656 p(sctps_sendsacks, "\t\t%ju output SACK%s\n"); 657 p(sctps_senddata, "\t\t%ju output DATA chunk%s\n"); 658 p(sctps_sendretransdata, "\t\t%ju retransmitted DATA chunk%s\n"); 659 p(sctps_sendfastretrans, "\t\t%ju fast retransmitted DATA chunk%s\n"); 660 p(sctps_sendmultfastretrans, "\t\t%ju FR'%s that happened more " 661 "than once to same chunk\n"); 662 p(sctps_sendheartbeat, "\t\t%ju output HB chunk%s\n"); 663 p(sctps_sendecne, "\t\t%ju output ECNE chunk%s\n"); 664 p(sctps_sendauth, "\t\t%ju output AUTH chunk%s\n"); 665 p1a(sctps_senderrors, "\t\t%ju ip_output error counter\n"); 666 667 /* 668 * PCKDROPREP statistics 669 */ 670 printf("\tPacket drop statistics:\n"); 671 p1a(sctps_pdrpfmbox, "\t\t%ju from middle box\n"); 672 p1a(sctps_pdrpfehos, "\t\t%ju from end host\n"); 673 p1a(sctps_pdrpmbda, "\t\t%ju with data\n"); 674 p1a(sctps_pdrpmbct, "\t\t%ju non-data, non-endhost\n"); 675 p1a(sctps_pdrpbwrpt, "\t\t%ju non-endhost, bandwidth rep only\n"); 676 p1a(sctps_pdrpcrupt, "\t\t%ju not enough for chunk header\n"); 677 p1a(sctps_pdrpnedat, "\t\t%ju not enough data to confirm\n"); 678 p1a(sctps_pdrppdbrk, "\t\t%ju where process_chunk_drop said break\n"); 679 p1a(sctps_pdrptsnnf, "\t\t%ju failed to find TSN\n"); 680 p1a(sctps_pdrpdnfnd, "\t\t%ju attempt reverse TSN lookup\n"); 681 p1a(sctps_pdrpdiwnp, "\t\t%ju e-host confirms zero-rwnd\n"); 682 p1a(sctps_pdrpdizrw, "\t\t%ju midbox confirms no space\n"); 683 p1a(sctps_pdrpbadd, "\t\t%ju data did not match TSN\n"); 684 p(sctps_pdrpmark, "\t\t%ju TSN'%s marked for Fast Retran\n"); 685 686 /* 687 * Timeouts 688 */ 689 printf("\tTimeouts:\n"); 690 p(sctps_timoiterator, "\t\t%ju iterator timer%s fired\n"); 691 p(sctps_timodata, "\t\t%ju T3 data time out%s\n"); 692 p(sctps_timowindowprobe, "\t\t%ju window probe (T3) timer%s fired\n"); 693 p(sctps_timoinit, "\t\t%ju INIT timer%s fired\n"); 694 p(sctps_timosack, "\t\t%ju sack timer%s fired\n"); 695 p(sctps_timoshutdown, "\t\t%ju shutdown timer%s fired\n"); 696 p(sctps_timoheartbeat, "\t\t%ju heartbeat timer%s fired\n"); 697 p1a(sctps_timocookie, "\t\t%ju a cookie timeout fired\n"); 698 p1a(sctps_timosecret, "\t\t%ju an endpoint changed its cookie" 699 "secret\n"); 700 p(sctps_timopathmtu, "\t\t%ju PMTU timer%s fired\n"); 701 p(sctps_timoshutdownack, "\t\t%ju shutdown ack timer%s fired\n"); 702 p(sctps_timoshutdownguard, "\t\t%ju shutdown guard timer%s fired\n"); 703 p(sctps_timostrmrst, "\t\t%ju stream reset timer%s fired\n"); 704 p(sctps_timoearlyfr, "\t\t%ju early FR timer%s fired\n"); 705 p1a(sctps_timoasconf, "\t\t%ju an asconf timer fired\n"); 706 p1a(sctps_timoautoclose, "\t\t%ju auto close timer fired\n"); 707 p(sctps_timoassockill, "\t\t%ju asoc free timer%s expired\n"); 708 p(sctps_timoinpkill, "\t\t%ju inp free timer%s expired\n"); 709 710#if 0 711 /* 712 * Early fast retransmission counters 713 */ 714 p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); 715 p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); 716 p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); 717 p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); 718 p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); 719 p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); 720 p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); 721 p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); 722 p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); 723 p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); 724 p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); 725#endif 726 727 /* 728 * Others 729 */ 730 p1a(sctps_hdrops, "\t%ju packet shorter than header\n"); 731 p1a(sctps_badsum, "\t%ju checksum error\n"); 732 p1a(sctps_noport, "\t%ju no endpoint for port\n"); 733 p1a(sctps_badvtag, "\t%ju bad v-tag\n"); 734 p1a(sctps_badsid, "\t%ju bad SID\n"); 735 p1a(sctps_nomem, "\t%ju no memory\n"); 736 p1a(sctps_fastretransinrtt, "\t%ju number of multiple FR in a RTT " 737 "window\n"); 738#if 0 739 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); 740#endif 741 p1a(sctps_naglesent, "\t%ju RFC813 allowed sending\n"); 742 p1a(sctps_naglequeued, "\t%ju RFC813 does not allow sending\n"); 743 p1a(sctps_maxburstqueued, "\t%ju times max burst prohibited sending\n"); 744 p1a(sctps_ifnomemqueued, "\t%ju look ahead tells us no memory in " 745 "interface\n"); 746 p(sctps_windowprobed, "\t%ju number%s of window probes sent\n"); 747 p(sctps_lowlevelerr, "\t%ju time%s an output error to clamp " 748 "down on next user send\n"); 749 p(sctps_lowlevelerrusr, "\t%ju time%s sctp_senderrors were " 750 "caused from a user\n"); 751 p(sctps_datadropchklmt, "\t%ju number of in data drop%s due to " 752 "chunk limit reached\n"); 753 p(sctps_datadroprwnd, "\t%ju number of in data drop%s due to rwnd " 754 "limit reached\n"); 755 p(sctps_ecnereducedcwnd, "\t%ju time%s a ECN reduced " 756 "the cwnd\n"); 757 p1a(sctps_vtagexpress, "\t%ju used express lookup via vtag\n"); 758 p1a(sctps_vtagbogus, "\t%ju collision in express lookup\n"); 759 p(sctps_primary_randry, "\t%ju time%s the sender ran dry " 760 "of user data on primary\n"); 761 p1a(sctps_cmt_randry, "\t%ju same for above\n"); 762 p(sctps_slowpath_sack, "\t%ju sack%s the slow way\n"); 763 p(sctps_wu_sacks_sent, "\t%ju window update only sack%s sent\n"); 764 p(sctps_sends_with_flags, "\t%ju send%s with sinfo_flags !=0\n"); 765 p(sctps_sends_with_unord, "\t%ju unordered send%s\n"); 766 p(sctps_sends_with_eof, "\t%ju send%s with EOF flag set\n"); 767 p(sctps_sends_with_abort, "\t%ju send%s with ABORT flag set\n"); 768 p(sctps_protocol_drain_calls, "\t%ju time%s protocol drain called\n"); 769 p(sctps_protocol_drains_done, "\t%ju time%s we did a protocol " 770 "drain\n"); 771 p(sctps_read_peeks, "\t%ju time%s recv was called with peek\n"); 772 p(sctps_cached_chk, "\t%ju cached chunk%s used\n"); 773 p1a(sctps_cached_strmoq, "\t%ju cached stream oq's used\n"); 774 p(sctps_left_abandon, "\t%ju unread message%s abandonded by close\n"); 775 p1a(sctps_send_burst_avoid, "\t%ju send burst avoidance, already " 776 "max burst inflight to net\n"); 777 p1a(sctps_send_cwnd_avoid, "\t%ju send cwnd full avoidance, already " 778 "max burst inflight to net\n"); 779 p(sctps_fwdtsn_map_over, "\t%ju number of map array over-run%s via " 780 "fwd-tsn's\n"); 781 782#undef p 783#undef p1a 784} 785 786#endif /* SCTP */ 787