usr.bin/netstat/sctp.c

   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                 (int)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 */