net/sctp/sm_statetable.c

   1 /* SCTP kernel reference Implementation
   2  * (C) Copyright IBM Corp. 2001, 2004
   3  * Copyright (c) 1999-2000 Cisco, Inc.
   4  * Copyright (c) 1999-2001 Motorola, Inc.
   5  * Copyright (c) 2001 Intel Corp.
   6  * Copyright (c) 2001 Nokia, Inc.
   7  *
   8  * This file is part of the SCTP kernel reference Implementation
   9  *
  10  * These are the state tables for the SCTP state machine.
  11  *
  12  * The SCTP reference implementation is free software;
  13  * you can redistribute it and/or modify it under the terms of
  14  * the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2, or (at your option)
  16  * any later version.
  17  *
  18  * The SCTP reference implementation is distributed in the hope that it
  19  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  20  *                 ************************
  21  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22  * See the GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with GNU CC; see the file COPYING.  If not, write to
  26  * the Free Software Foundation, 59 Temple Place - Suite 330,
  27  * Boston, MA 02111-1307, USA.
  28  *
  29  * Please send any bug reports or fixes you make to the
  30  * email address(es):
  31  *    lksctp developers <lksctp-developers@lists.sourceforge.net>
  32  *
  33  * Or submit a bug report through the following website:
  34  *    http://www.sf.net/projects/lksctp
  35  *
  36  * Written or modified by:
  37  *    La Monte H.P. Yarroll <piggy@acm.org>
  38  *    Karl Knutson          <karl@athena.chicago.il.us>
  39  *    Jon Grimm             <jgrimm@us.ibm.com>
  40  *    Hui Huang             <hui.huang@nokia.com>
  41  *    Daisy Chang           <daisyc@us.ibm.com>
  42  *    Ardelle Fan           <ardelle.fan@intel.com>
  43  *    Sridhar Samudrala     <sri@us.ibm.com>
  44  *
  45  * Any bugs reported given to us we will try to fix... any fixes shared will
  46  * be incorporated into the next SCTP release.
  47  */
  48
  49 #include <linux/skbuff.h>
  50 #include <net/sctp/sctp.h>
  51 #include <net/sctp/sm.h>
  52
  53 static const sctp_sm_table_entry_t
  54 primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
  55 static const sctp_sm_table_entry_t
  56 other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
  57 static const sctp_sm_table_entry_t
  58 timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
  59
  60 static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
  61                                                             sctp_state_t state);
  62
  63
  64 static const sctp_sm_table_entry_t bug = {
  65         .fn = sctp_sf_bug,
  66         .name = "sctp_sf_bug"
  67 };
  68
  69 #define DO_LOOKUP(_max, _type, _table) \
  70         if ((event_subtype._type > (_max))) { \
  71                 printk(KERN_WARNING \
  72                        "sctp table %p possible attack:" \
  73                        " event %d exceeds max %d\n", \
  74                        _table, event_subtype._type, _max); \
  75                 return &bug; \
  76         } \
  77         return &_table[event_subtype._type][(int)state];
  78
  79 const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
  80                                                   sctp_state_t state,
  81                                                   sctp_subtype_t event_subtype)
  82 {
  83         switch (event_type) {
  84         case SCTP_EVENT_T_CHUNK:
  85                 return sctp_chunk_event_lookup(event_subtype.chunk, state);
  86                 break;
  87         case SCTP_EVENT_T_TIMEOUT:
  88                 DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
  89                           timeout_event_table);
  90                 break;
  91
  92         case SCTP_EVENT_T_OTHER:
  93                 DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, other_event_table);
  94                 break;
  95
  96         case SCTP_EVENT_T_PRIMITIVE:
  97                 DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
  98                           primitive_event_table);
  99                 break;
 100
 101         default:
 102                 /* Yikes!  We got an illegal event type.  */
 103                 return &bug;
 104         };
 105 }
 106
 107 #define TYPE_SCTP_DATA { \
 108         /* SCTP_STATE_EMPTY */ \
 109         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 110         /* SCTP_STATE_CLOSED */ \
 111         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 112         /* SCTP_STATE_COOKIE_WAIT */ \
 113         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 114         /* SCTP_STATE_COOKIE_ECHOED */ \
 115         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 116         /* SCTP_STATE_ESTABLISHED */ \
 117         {.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \
 118         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 119         {.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \
 120         /* SCTP_STATE_SHUTDOWN_SENT */ \
 121         {.fn = sctp_sf_eat_data_fast_4_4, .name = "sctp_sf_eat_data_fast_4_4"}, \
 122         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 123         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 124         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 125         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 126 } /* TYPE_SCTP_DATA */
 127
 128 #define TYPE_SCTP_INIT { \
 129         /* SCTP_STATE_EMPTY */ \
 130         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 131         /* SCTP_STATE_CLOSED */ \
 132         {.fn = sctp_sf_do_5_1B_init, .name = "sctp_sf_do_5_1B_init"}, \
 133         /* SCTP_STATE_COOKIE_WAIT */ \
 134         {.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \
 135         /* SCTP_STATE_COOKIE_ECHOED */ \
 136         {.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \
 137         /* SCTP_STATE_ESTABLISHED */ \
 138         {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
 139         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 140         {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
 141         /* SCTP_STATE_SHUTDOWN_SENT */ \
 142         {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
 143         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 144         {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
 145         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 146         {.fn = sctp_sf_do_9_2_reshutack, .name = "sctp_sf_do_9_2_reshutack"}, \
 147 } /* TYPE_SCTP_INIT */
 148
 149 #define TYPE_SCTP_INIT_ACK { \
 150         /* SCTP_STATE_EMPTY */ \
 151         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 152         /* SCTP_STATE_CLOSED */ \
 153         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 154         /* SCTP_STATE_COOKIE_WAIT */ \
 155         {.fn = sctp_sf_do_5_1C_ack, .name = "sctp_sf_do_5_1C_ack"}, \
 156         /* SCTP_STATE_COOKIE_ECHOED */ \
 157         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 158         /* SCTP_STATE_ESTABLISHED */ \
 159         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 160         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 161         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 162         /* SCTP_STATE_SHUTDOWN_SENT */ \
 163         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 164         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 165         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 166         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 167         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 168 } /* TYPE_SCTP_INIT_ACK */
 169
 170 #define TYPE_SCTP_SACK { \
 171         /*  SCTP_STATE_EMPTY */ \
 172         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 173         /* SCTP_STATE_CLOSED */ \
 174         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 175         /* SCTP_STATE_COOKIE_WAIT */ \
 176         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 177         /* SCTP_STATE_COOKIE_ECHOED */ \
 178         {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
 179         /* SCTP_STATE_ESTABLISHED */ \
 180         {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
 181         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 182         {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
 183         /* SCTP_STATE_SHUTDOWN_SENT */ \
 184         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 185         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 186         {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
 187         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 188         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 189 } /* TYPE_SCTP_SACK */
 190
 191 #define TYPE_SCTP_HEARTBEAT { \
 192         /*  SCTP_STATE_EMPTY */ \
 193         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 194         /* SCTP_STATE_CLOSED */ \
 195         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 196         /* SCTP_STATE_COOKIE_WAIT */ \
 197         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 198         /* SCTP_STATE_COOKIE_ECHOED */ \
 199         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 200         /* SCTP_STATE_ESTABLISHED */ \
 201         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 202         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 203         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 204         /* SCTP_STATE_SHUTDOWN_SENT */ \
 205         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 206         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 207         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 208         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 209         /* This should not happen, but we are nice.  */ \
 210         {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
 211 } /* TYPE_SCTP_HEARTBEAT */
 212
 213 #define TYPE_SCTP_HEARTBEAT_ACK { \
 214         /*  SCTP_STATE_EMPTY */ \
 215         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 216         /* SCTP_STATE_CLOSED */ \
 217         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 218         /* SCTP_STATE_COOKIE_WAIT */ \
 219         {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
 220         /* SCTP_STATE_COOKIE_ECHOED */ \
 221         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 222         /* SCTP_STATE_ESTABLISHED */ \
 223         {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
 224         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 225         {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
 226         /* SCTP_STATE_SHUTDOWN_SENT */ \
 227         {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
 228         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 229         {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
 230         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 231         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 232 } /* TYPE_SCTP_HEARTBEAT_ACK */
 233
 234 #define TYPE_SCTP_ABORT { \
 235         /* SCTP_STATE_EMPTY */ \
 236         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 237         /* SCTP_STATE_CLOSED */ \
 238         {.fn = sctp_sf_pdiscard, .name = "sctp_sf_pdiscard"}, \
 239         /* SCTP_STATE_COOKIE_WAIT */ \
 240         {.fn = sctp_sf_cookie_wait_abort, .name = "sctp_sf_cookie_wait_abort"}, \
 241         /* SCTP_STATE_COOKIE_ECHOED */ \
 242         {.fn = sctp_sf_cookie_echoed_abort, \
 243          .name = "sctp_sf_cookie_echoed_abort"}, \
 244         /* SCTP_STATE_ESTABLISHED */ \
 245         {.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \
 246         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 247         {.fn = sctp_sf_shutdown_pending_abort, \
 248         .name = "sctp_sf_shutdown_pending_abort"}, \
 249         /* SCTP_STATE_SHUTDOWN_SENT */ \
 250         {.fn = sctp_sf_shutdown_sent_abort, \
 251         .name = "sctp_sf_shutdown_sent_abort"}, \
 252         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 253         {.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \
 254         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 255         {.fn = sctp_sf_shutdown_ack_sent_abort, \
 256         .name = "sctp_sf_shutdown_ack_sent_abort"}, \
 257 } /* TYPE_SCTP_ABORT */
 258
 259 #define TYPE_SCTP_SHUTDOWN { \
 260         /* SCTP_STATE_EMPTY */ \
 261         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 262         /* SCTP_STATE_CLOSED */ \
 263         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 264         /* SCTP_STATE_COOKIE_WAIT */ \
 265         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 266         /* SCTP_STATE_COOKIE_ECHOED */ \
 267         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 268         /* SCTP_STATE_ESTABLISHED */ \
 269         {.fn = sctp_sf_do_9_2_shutdown, .name = "sctp_sf_do_9_2_shutdown"}, \
 270         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 271         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 272         /* SCTP_STATE_SHUTDOWN_SENT */ \
 273         {.fn = sctp_sf_do_9_2_shutdown_ack, \
 274          .name = "sctp_sf_do_9_2_shutdown_ack"}, \
 275         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 276         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 277         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 278         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 279 } /* TYPE_SCTP_SHUTDOWN */
 280
 281 #define TYPE_SCTP_SHUTDOWN_ACK { \
 282         /* SCTP_STATE_EMPTY */ \
 283         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 284         /* SCTP_STATE_CLOSED */ \
 285         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 286         /* SCTP_STATE_COOKIE_WAIT */ \
 287         {.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \
 288         /* SCTP_STATE_COOKIE_ECHOED */ \
 289         {.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \
 290         /* SCTP_STATE_ESTABLISHED */ \
 291         {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
 292         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 293         {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
 294         /* SCTP_STATE_SHUTDOWN_SENT */ \
 295         {.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \
 296         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 297         {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
 298         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 299         {.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \
 300 } /* TYPE_SCTP_SHUTDOWN_ACK */
 301
 302 #define TYPE_SCTP_ERROR { \
 303         /* SCTP_STATE_EMPTY */ \
 304         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 305         /* SCTP_STATE_CLOSED */ \
 306         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 307         /* SCTP_STATE_COOKIE_WAIT */ \
 308         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 309         /* SCTP_STATE_COOKIE_ECHOED */ \
 310         {.fn = sctp_sf_cookie_echoed_err, .name = "sctp_sf_cookie_echoed_err"}, \
 311         /* SCTP_STATE_ESTABLISHED */ \
 312         {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
 313         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 314         {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
 315         /* SCTP_STATE_SHUTDOWN_SENT */ \
 316         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 317         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 318         {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
 319         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 320         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 321 } /* TYPE_SCTP_ERROR */
 322
 323 #define TYPE_SCTP_COOKIE_ECHO { \
 324         /* SCTP_STATE_EMPTY */ \
 325         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 326         /* SCTP_STATE_CLOSED */ \
 327         {.fn = sctp_sf_do_5_1D_ce, .name = "sctp_sf_do_5_1D_ce"}, \
 328         /* SCTP_STATE_COOKIE_WAIT */ \
 329         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 330         /* SCTP_STATE_COOKIE_ECHOED */ \
 331         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 332         /* SCTP_STATE_ESTABLISHED */ \
 333         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 334         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 335         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 336         /* SCTP_STATE_SHUTDOWN_SENT */ \
 337         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 338         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 339         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 340         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 341         {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \
 342 } /* TYPE_SCTP_COOKIE_ECHO */
 343
 344 #define TYPE_SCTP_COOKIE_ACK { \
 345         /* SCTP_STATE_EMPTY */ \
 346         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 347         /* SCTP_STATE_CLOSED */ \
 348         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 349         /* SCTP_STATE_COOKIE_WAIT */ \
 350         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 351         /* SCTP_STATE_COOKIE_ECHOED */ \
 352         {.fn = sctp_sf_do_5_1E_ca, .name = "sctp_sf_do_5_1E_ca"}, \
 353         /* SCTP_STATE_ESTABLISHED */ \
 354         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 355         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 356         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 357         /* SCTP_STATE_SHUTDOWN_SENT */ \
 358         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 359         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 360         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 361         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 362         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 363 } /* TYPE_SCTP_COOKIE_ACK */
 364
 365 #define TYPE_SCTP_ECN_ECNE { \
 366         /* SCTP_STATE_EMPTY */ \
 367         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 368         /* SCTP_STATE_CLOSED */ \
 369         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 370         /* SCTP_STATE_COOKIE_WAIT */ \
 371         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 372         /* SCTP_STATE_COOKIE_ECHOED */ \
 373         {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
 374         /* SCTP_STATE_ESTABLISHED */ \
 375         {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
 376         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 377         {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
 378         /* SCTP_STATE_SHUTDOWN_SENT */ \
 379         {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
 380         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 381         {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
 382         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 383         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 384 } /* TYPE_SCTP_ECN_ECNE */
 385
 386 #define TYPE_SCTP_ECN_CWR { \
 387         /* SCTP_STATE_EMPTY */ \
 388         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 389         /* SCTP_STATE_CLOSED */ \
 390         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 391         /* SCTP_STATE_COOKIE_WAIT */ \
 392         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 393         /* SCTP_STATE_COOKIE_ECHOED */ \
 394         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 395         /* SCTP_STATE_ESTABLISHED */ \
 396         {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \
 397         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 398         {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \
 399         /* SCTP_STATE_SHUTDOWN_SENT */ \
 400         {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \
 401         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 402         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 403         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 404         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 405 } /* TYPE_SCTP_ECN_CWR */
 406
 407 #define TYPE_SCTP_SHUTDOWN_COMPLETE { \
 408         /* SCTP_STATE_EMPTY */ \
 409         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 410         /* SCTP_STATE_CLOSED */ \
 411         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 412         /* SCTP_STATE_COOKIE_WAIT */ \
 413         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 414         /* SCTP_STATE_COOKIE_ECHOED */ \
 415         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 416         /* SCTP_STATE_ESTABLISHED */ \
 417         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 418         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 419         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 420         /* SCTP_STATE_SHUTDOWN_SENT */ \
 421         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 422         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 423         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 424         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 425         {.fn = sctp_sf_do_4_C, .name = "sctp_sf_do_4_C"}, \
 426 } /* TYPE_SCTP_SHUTDOWN_COMPLETE */
 427
 428 /* The primary index for this table is the chunk type.
 429  * The secondary index for this table is the state.
 430  *
 431  * For base protocol (RFC 2960).
 432  */
 433 static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
 434         TYPE_SCTP_DATA,
 435         TYPE_SCTP_INIT,
 436         TYPE_SCTP_INIT_ACK,
 437         TYPE_SCTP_SACK,
 438         TYPE_SCTP_HEARTBEAT,
 439         TYPE_SCTP_HEARTBEAT_ACK,
 440         TYPE_SCTP_ABORT,
 441         TYPE_SCTP_SHUTDOWN,
 442         TYPE_SCTP_SHUTDOWN_ACK,
 443         TYPE_SCTP_ERROR,
 444         TYPE_SCTP_COOKIE_ECHO,
 445         TYPE_SCTP_COOKIE_ACK,
 446         TYPE_SCTP_ECN_ECNE,
 447         TYPE_SCTP_ECN_CWR,
 448         TYPE_SCTP_SHUTDOWN_COMPLETE,
 449 }; /* state_fn_t chunk_event_table[][] */
 450
 451 #define TYPE_SCTP_ASCONF { \
 452         /* SCTP_STATE_EMPTY */ \
 453         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 454         /* SCTP_STATE_CLOSED */ \
 455         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 456         /* SCTP_STATE_COOKIE_WAIT */ \
 457         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 458         /* SCTP_STATE_COOKIE_ECHOED */ \
 459         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 460         /* SCTP_STATE_ESTABLISHED */ \
 461         {.fn = sctp_sf_do_asconf, .name = "sctp_sf_do_asconf"}, \
 462         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 463         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 464         /* SCTP_STATE_SHUTDOWN_SENT */ \
 465         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 466         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 467         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 468         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 469         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 470 } /* TYPE_SCTP_ASCONF */
 471
 472 #define TYPE_SCTP_ASCONF_ACK { \
 473         /* SCTP_STATE_EMPTY */ \
 474         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 475         /* SCTP_STATE_CLOSED */ \
 476         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 477         /* SCTP_STATE_COOKIE_WAIT */ \
 478         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 479         /* SCTP_STATE_COOKIE_ECHOED */ \
 480         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 481         /* SCTP_STATE_ESTABLISHED */ \
 482         {.fn = sctp_sf_do_asconf_ack, .name = "sctp_sf_do_asconf_ack"}, \
 483         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 484         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 485         /* SCTP_STATE_SHUTDOWN_SENT */ \
 486         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 487         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 488         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 489         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 490         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 491 } /* TYPE_SCTP_ASCONF_ACK */
 492
 493 /* The primary index for this table is the chunk type.
 494  * The secondary index for this table is the state.
 495  */
 496 static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
 497         TYPE_SCTP_ASCONF,
 498         TYPE_SCTP_ASCONF_ACK,
 499 }; /*state_fn_t addip_chunk_event_table[][] */
 500
 501 #define TYPE_SCTP_FWD_TSN { \
 502         /* SCTP_STATE_EMPTY */ \
 503         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
 504         /* SCTP_STATE_CLOSED */ \
 505         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
 506         /* SCTP_STATE_COOKIE_WAIT */ \
 507         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 508         /* SCTP_STATE_COOKIE_ECHOED */ \
 509         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 510         /* SCTP_STATE_ESTABLISHED */ \
 511         {.fn = sctp_sf_eat_fwd_tsn, .name = "sctp_sf_eat_fwd_tsn"}, \
 512         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 513         {.fn = sctp_sf_eat_fwd_tsn, .name = "sctp_sf_eat_fwd_tsn"}, \
 514         /* SCTP_STATE_SHUTDOWN_SENT */ \
 515         {.fn = sctp_sf_eat_fwd_tsn_fast, .name = "sctp_sf_eat_fwd_tsn_fast"}, \
 516         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 517         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 518         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 519         {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 520 } /* TYPE_SCTP_FWD_TSN */
 521
 522 /* The primary index for this table is the chunk type.
 523  * The secondary index for this table is the state.
 524  */
 525 static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
 526         TYPE_SCTP_FWD_TSN,
 527 }; /*state_fn_t prsctp_chunk_event_table[][] */
 528
 529 static const sctp_sm_table_entry_t
 530 chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
 531         /* SCTP_STATE_EMPTY */
 532         {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"},
 533         /* SCTP_STATE_CLOSED */
 534         {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"},
 535         /* SCTP_STATE_COOKIE_WAIT */
 536         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 537         /* SCTP_STATE_COOKIE_ECHOED */
 538         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 539         /* SCTP_STATE_ESTABLISHED */
 540         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 541         /* SCTP_STATE_SHUTDOWN_PENDING */
 542         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 543         /* SCTP_STATE_SHUTDOWN_SENT */
 544         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 545         /* SCTP_STATE_SHUTDOWN_RECEIVED */
 546         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 547         /* SCTP_STATE_SHUTDOWN_ACK_SENT */
 548         {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"},
 549 };      /* chunk unknown */
 550
 551
 552 #define TYPE_SCTP_PRIMITIVE_ASSOCIATE  { \
 553         /* SCTP_STATE_EMPTY */ \
 554         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 555         /* SCTP_STATE_CLOSED */ \
 556         {.fn = sctp_sf_do_prm_asoc, .name = "sctp_sf_do_prm_asoc"}, \
 557         /* SCTP_STATE_COOKIE_WAIT */ \
 558         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 559         /* SCTP_STATE_COOKIE_ECHOED */ \
 560         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 561         /* SCTP_STATE_ESTABLISHED */ \
 562         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 563         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 564         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 565         /* SCTP_STATE_SHUTDOWN_SENT */ \
 566         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 567         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 568         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 569         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 570         {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \
 571 } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */
 572
 573 #define TYPE_SCTP_PRIMITIVE_SHUTDOWN  { \
 574         /* SCTP_STATE_EMPTY */ \
 575         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 576         /* SCTP_STATE_CLOSED */ \
 577         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 578         /* SCTP_STATE_COOKIE_WAIT */ \
 579         {.fn = sctp_sf_cookie_wait_prm_shutdown, \
 580          .name = "sctp_sf_cookie_wait_prm_shutdown"}, \
 581         /* SCTP_STATE_COOKIE_ECHOED */ \
 582         {.fn = sctp_sf_cookie_echoed_prm_shutdown, \
 583          .name = "sctp_sf_cookie_echoed_prm_shutdown"},\
 584         /* SCTP_STATE_ESTABLISHED */ \
 585         {.fn = sctp_sf_do_9_2_prm_shutdown, \
 586          .name = "sctp_sf_do_9_2_prm_shutdown"}, \
 587         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 588         {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \
 589         /* SCTP_STATE_SHUTDOWN_SENT */ \
 590         {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \
 591         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 592         {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \
 593         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 594         {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \
 595 } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */
 596
 597 #define TYPE_SCTP_PRIMITIVE_ABORT  { \
 598         /* SCTP_STATE_EMPTY */ \
 599         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 600         /* SCTP_STATE_CLOSED */ \
 601         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 602         /* SCTP_STATE_COOKIE_WAIT */ \
 603         {.fn = sctp_sf_cookie_wait_prm_abort, \
 604         .name = "sctp_sf_cookie_wait_prm_abort"}, \
 605         /* SCTP_STATE_COOKIE_ECHOED */ \
 606         {.fn = sctp_sf_cookie_echoed_prm_abort, \
 607         .name = "sctp_sf_cookie_echoed_prm_abort"}, \
 608         /* SCTP_STATE_ESTABLISHED */ \
 609         {.fn = sctp_sf_do_9_1_prm_abort, \
 610         .name = "sctp_sf_do_9_1_prm_abort"}, \
 611         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 612         {.fn = sctp_sf_shutdown_pending_prm_abort, \
 613         .name = "sctp_sf_shutdown_pending_prm_abort"}, \
 614         /* SCTP_STATE_SHUTDOWN_SENT */ \
 615         {.fn = sctp_sf_shutdown_sent_prm_abort, \
 616         .name = "sctp_sf_shutdown_sent_prm_abort"}, \
 617         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 618         {.fn = sctp_sf_do_9_1_prm_abort, \
 619         .name = "sctp_sf_do_9_1_prm_abort"}, \
 620         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 621         {.fn = sctp_sf_shutdown_ack_sent_prm_abort, \
 622         .name = "sctp_sf_shutdown_ack_sent_prm_abort"}, \
 623 } /* TYPE_SCTP_PRIMITIVE_ABORT */
 624
 625 #define TYPE_SCTP_PRIMITIVE_SEND  { \
 626         /* SCTP_STATE_EMPTY */ \
 627         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 628         /* SCTP_STATE_CLOSED */ \
 629         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 630         /* SCTP_STATE_COOKIE_WAIT */ \
 631         {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \
 632         /* SCTP_STATE_COOKIE_ECHOED */ \
 633         {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \
 634         /* SCTP_STATE_ESTABLISHED */ \
 635         {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \
 636         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 637         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 638         /* SCTP_STATE_SHUTDOWN_SENT */ \
 639         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 640         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 641         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 642         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 643         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 644 } /* TYPE_SCTP_PRIMITIVE_SEND */
 645
 646 #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT  { \
 647         /* SCTP_STATE_EMPTY */ \
 648         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 649         /* SCTP_STATE_CLOSED */ \
 650         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 651         /* SCTP_STATE_COOKIE_WAIT */ \
 652         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 653          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 654         /* SCTP_STATE_COOKIE_ECHOED */ \
 655         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 656          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 657         /* SCTP_STATE_ESTABLISHED */ \
 658         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 659          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 660         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 661         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 662          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 663         /* SCTP_STATE_SHUTDOWN_SENT */ \
 664         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 665          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 666         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 667         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 668          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 669         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 670         {.fn = sctp_sf_do_prm_requestheartbeat,               \
 671          .name = "sctp_sf_do_prm_requestheartbeat"},          \
 672 } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
 673
 674 #define TYPE_SCTP_PRIMITIVE_ASCONF { \
 675         /* SCTP_STATE_EMPTY */ \
 676         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 677         /* SCTP_STATE_CLOSED */ \
 678         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 679         /* SCTP_STATE_COOKIE_WAIT */ \
 680         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 681         /* SCTP_STATE_COOKIE_ECHOED */ \
 682         {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
 683         /* SCTP_STATE_ESTABLISHED */ \
 684         {.fn = sctp_sf_do_prm_asconf, .name = "sctp_sf_do_prm_asconf"}, \
 685         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 686         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 687         /* SCTP_STATE_SHUTDOWN_SENT */ \
 688         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 689         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 690         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 691         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 692         {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \
 693 } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
 694
 695 /* The primary index for this table is the primitive type.
 696  * The secondary index for this table is the state.
 697  */
 698 static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = {
 699         TYPE_SCTP_PRIMITIVE_ASSOCIATE,
 700         TYPE_SCTP_PRIMITIVE_SHUTDOWN,
 701         TYPE_SCTP_PRIMITIVE_ABORT,
 702         TYPE_SCTP_PRIMITIVE_SEND,
 703         TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT,
 704         TYPE_SCTP_PRIMITIVE_ASCONF,
 705 };
 706
 707 #define TYPE_SCTP_OTHER_NO_PENDING_TSN  { \
 708         /* SCTP_STATE_EMPTY */ \
 709         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 710         /* SCTP_STATE_CLOSED */ \
 711         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 712         /* SCTP_STATE_COOKIE_WAIT */ \
 713         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 714         /* SCTP_STATE_COOKIE_ECHOED */ \
 715         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 716         /* SCTP_STATE_ESTABLISHED */ \
 717         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 718         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 719         {.fn = sctp_sf_do_9_2_start_shutdown, \
 720          .name = "sctp_do_9_2_start_shutdown"}, \
 721         /* SCTP_STATE_SHUTDOWN_SENT */ \
 722         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 723         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 724         {.fn = sctp_sf_do_9_2_shutdown_ack, \
 725          .name = "sctp_sf_do_9_2_shutdown_ack"}, \
 726         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 727         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 728 }
 729
 730 #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH  { \
 731         /* SCTP_STATE_EMPTY */ \
 732         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 733         /* SCTP_STATE_CLOSED */ \
 734         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 735         /* SCTP_STATE_COOKIE_WAIT */ \
 736         {.fn = sctp_sf_cookie_wait_icmp_abort, \
 737          .name = "sctp_sf_cookie_wait_icmp_abort"}, \
 738         /* SCTP_STATE_COOKIE_ECHOED */ \
 739         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 740         /* SCTP_STATE_ESTABLISHED */ \
 741         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 742         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 743         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 744         /* SCTP_STATE_SHUTDOWN_SENT */ \
 745         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 746         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 747         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 748         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 749         {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \
 750 }
 751
 752 static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = {
 753         TYPE_SCTP_OTHER_NO_PENDING_TSN,
 754         TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH,
 755 };
 756
 757 #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \
 758         /* SCTP_STATE_EMPTY */ \
 759         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 760         /* SCTP_STATE_CLOSED */ \
 761         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 762         /* SCTP_STATE_COOKIE_WAIT */ \
 763         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 764         /* SCTP_STATE_COOKIE_ECHOED */ \
 765         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 766         /* SCTP_STATE_ESTABLISHED */ \
 767         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 768         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 769         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 770         /* SCTP_STATE_SHUTDOWN_SENT */ \
 771         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 772         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 773         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 774         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 775         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 776 }
 777
 778 #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \
 779         /* SCTP_STATE_EMPTY */ \
 780         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 781         /* SCTP_STATE_CLOSED */ \
 782         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 783         /* SCTP_STATE_COOKIE_WAIT */ \
 784         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 785         /* SCTP_STATE_COOKIE_ECHOED */ \
 786         {.fn = sctp_sf_t1_cookie_timer_expire, \
 787          .name = "sctp_sf_t1_cookie_timer_expire"}, \
 788         /* SCTP_STATE_ESTABLISHED */ \
 789         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 790         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 791         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 792         /* SCTP_STATE_SHUTDOWN_SENT */ \
 793         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 794         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 795         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 796         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 797         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 798 }
 799
 800 #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \
 801         /* SCTP_STATE_EMPTY */ \
 802         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 803         /* SCTP_STATE_CLOSED */ \
 804         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 805         /* SCTP_STATE_COOKIE_WAIT */ \
 806         {.fn = sctp_sf_t1_init_timer_expire, \
 807          .name = "sctp_sf_t1_init_timer_expire"}, \
 808         /* SCTP_STATE_COOKIE_ECHOED */ \
 809         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 810         /* SCTP_STATE_ESTABLISHED */ \
 811         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 812         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 813         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 814         /* SCTP_STATE_SHUTDOWN_SENT */ \
 815         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 816         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 817         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 818         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 819         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 820 }
 821
 822 #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \
 823         /* SCTP_STATE_EMPTY */ \
 824         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 825         /* SCTP_STATE_CLOSED */ \
 826         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 827         /* SCTP_STATE_COOKIE_WAIT */ \
 828         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 829         /* SCTP_STATE_COOKIE_ECHOED */ \
 830         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 831         /* SCTP_STATE_ESTABLISHED */ \
 832         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 833         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 834         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 835         /* SCTP_STATE_SHUTDOWN_SENT */ \
 836         {.fn = sctp_sf_t2_timer_expire, .name = "sctp_sf_t2_timer_expire"}, \
 837         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 838         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 839         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 840         {.fn = sctp_sf_t2_timer_expire, .name = "sctp_sf_t2_timer_expire"}, \
 841 }
 842
 843 #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \
 844         /* SCTP_STATE_EMPTY */ \
 845         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 846         /* SCTP_STATE_CLOSED */ \
 847         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 848         /* SCTP_STATE_COOKIE_WAIT */ \
 849         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 850         /* SCTP_STATE_COOKIE_ECHOED */ \
 851         {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \
 852         /* SCTP_STATE_ESTABLISHED */ \
 853         {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \
 854         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 855         {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \
 856         /* SCTP_STATE_SHUTDOWN_SENT */ \
 857         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 858         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 859         {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \
 860         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 861         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 862 }
 863
 864 #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \
 865         /* SCTP_STATE_EMPTY */ \
 866         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 867         /* SCTP_STATE_CLOSED */ \
 868         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 869         /* SCTP_STATE_COOKIE_WAIT */ \
 870         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 871         /* SCTP_STATE_COOKIE_ECHOED */ \
 872         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 873         /* SCTP_STATE_ESTABLISHED */ \
 874         {.fn = sctp_sf_t4_timer_expire, .name = "sctp_sf_t4_timer_expire"}, \
 875         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 876         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 877         /* SCTP_STATE_SHUTDOWN_SENT */ \
 878         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 879         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 880         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 881         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 882         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 883 }
 884
 885 #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \
 886         /* SCTP_STATE_EMPTY */ \
 887         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 888         /* SCTP_STATE_CLOSED */ \
 889         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 890         /* SCTP_STATE_COOKIE_WAIT */ \
 891         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 892         /* SCTP_STATE_COOKIE_ECHOED */ \
 893         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 894         /* SCTP_STATE_ESTABLISHED */ \
 895         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 896         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 897         {.fn = sctp_sf_t5_timer_expire, .name = "sctp_sf_t5_timer_expire"}, \
 898         /* SCTP_STATE_SHUTDOWN_SENT */ \
 899         {.fn = sctp_sf_t5_timer_expire, .name = "sctp_sf_t5_timer_expire"}, \
 900         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 901         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 902         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 903         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 904 }
 905
 906 #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \
 907         /* SCTP_STATE_EMPTY */ \
 908         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 909         /* SCTP_STATE_CLOSED */ \
 910         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 911         /* SCTP_STATE_COOKIE_WAIT */ \
 912         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 913         /* SCTP_STATE_COOKIE_ECHOED */ \
 914         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 915         /* SCTP_STATE_ESTABLISHED */ \
 916         {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \
 917         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 918         {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \
 919         /* SCTP_STATE_SHUTDOWN_SENT */ \
 920         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 921         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 922         {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \
 923         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 924         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 925 }
 926
 927 #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
 928         /* SCTP_STATE_EMPTY */ \
 929         {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 930         /* SCTP_STATE_CLOSED */ \
 931         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 932         /* SCTP_STATE_COOKIE_WAIT */ \
 933         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 934         /* SCTP_STATE_COOKIE_ECHOED */ \
 935         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 936         /* SCTP_STATE_ESTABLISHED */ \
 937         {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
 938         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 939         {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
 940         /* SCTP_STATE_SHUTDOWN_SENT */ \
 941         {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
 942         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 943         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 944         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 945         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 946 }
 947
 948 #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
 949         /* SCTP_STATE_EMPTY */ \
 950         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 951         /* SCTP_STATE_CLOSED */ \
 952         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 953         /* SCTP_STATE_COOKIE_WAIT */ \
 954         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 955         /* SCTP_STATE_COOKIE_ECHOED */ \
 956         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 957         /* SCTP_STATE_ESTABLISHED */ \
 958         {.fn = sctp_sf_autoclose_timer_expire, \
 959          .name = "sctp_sf_autoclose_timer_expire"}, \
 960         /* SCTP_STATE_SHUTDOWN_PENDING */ \
 961         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 962         /* SCTP_STATE_SHUTDOWN_SENT */ \
 963         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 964         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
 965         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 966         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 967         {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 968 }
 969
 970 static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = {
 971         TYPE_SCTP_EVENT_TIMEOUT_NONE,
 972         TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE,
 973         TYPE_SCTP_EVENT_TIMEOUT_T1_INIT,
 974         TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN,
 975         TYPE_SCTP_EVENT_TIMEOUT_T3_RTX,
 976         TYPE_SCTP_EVENT_TIMEOUT_T4_RTO,
 977         TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD,
 978         TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT,
 979         TYPE_SCTP_EVENT_TIMEOUT_SACK,
 980         TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
 981 };
 982
 983 static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
 984                                                             sctp_state_t state)
 985 {
 986         if (state > SCTP_STATE_MAX)
 987                 return &bug;
 988
 989         if (cid >= 0 && cid <= SCTP_CID_BASE_MAX)
 990                 return &chunk_event_table[cid][state];
 991
 992         if (sctp_prsctp_enable) {
 993                 if (cid == SCTP_CID_FWD_TSN)
 994                         return &prsctp_chunk_event_table[0][state];
 995         }
 996
 997         if (sctp_addip_enable) {
 998                 if (cid == SCTP_CID_ASCONF)
 999                         return &addip_chunk_event_table[0][state];
1000
1001                 if (cid == SCTP_CID_ASCONF_ACK)
1002                         return &addip_chunk_event_table[1][state];
1003         }
1004
1005         return &chunk_event_table_unknown[state];
1006 }