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[/] [test_project/] [trunk/] [linux_sd_driver/] [net/] [sctp/] [sm_statetable.c] - Blame information for rev 82

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1 62 marcus.erl
/* 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_FUNC(func) {.fn = func, .name = #func}
108
 
109
#define TYPE_SCTP_DATA { \
110
        /* SCTP_STATE_EMPTY */ \
111
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
112
        /* SCTP_STATE_CLOSED */ \
113
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
114
        /* SCTP_STATE_COOKIE_WAIT */ \
115
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
116
        /* SCTP_STATE_COOKIE_ECHOED */ \
117
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
118
        /* SCTP_STATE_ESTABLISHED */ \
119
        TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
120
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
121
        TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
122
        /* SCTP_STATE_SHUTDOWN_SENT */ \
123
        TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \
124
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
125
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
126
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
127
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
128
} /* TYPE_SCTP_DATA */
129
 
130
#define TYPE_SCTP_INIT { \
131
        /* SCTP_STATE_EMPTY */ \
132
        TYPE_SCTP_FUNC(sctp_sf_bug), \
133
        /* SCTP_STATE_CLOSED */ \
134
        TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \
135
        /* SCTP_STATE_COOKIE_WAIT */ \
136
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
137
        /* SCTP_STATE_COOKIE_ECHOED */ \
138
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
139
        /* SCTP_STATE_ESTABLISHED */ \
140
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
141
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
142
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
143
        /* SCTP_STATE_SHUTDOWN_SENT */ \
144
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
145
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
146
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
147
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
148
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \
149
} /* TYPE_SCTP_INIT */
150
 
151
#define TYPE_SCTP_INIT_ACK { \
152
        /* SCTP_STATE_EMPTY */ \
153
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
154
        /* SCTP_STATE_CLOSED */ \
155
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \
156
        /* SCTP_STATE_COOKIE_WAIT */ \
157
        TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \
158
        /* SCTP_STATE_COOKIE_ECHOED */ \
159
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
160
        /* SCTP_STATE_ESTABLISHED */ \
161
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
162
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
163
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
164
        /* SCTP_STATE_SHUTDOWN_SENT */ \
165
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
166
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
167
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
168
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
169
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
170
} /* TYPE_SCTP_INIT_ACK */
171
 
172
#define TYPE_SCTP_SACK { \
173
        /*  SCTP_STATE_EMPTY */ \
174
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
175
        /* SCTP_STATE_CLOSED */ \
176
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
177
        /* SCTP_STATE_COOKIE_WAIT */ \
178
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
179
        /* SCTP_STATE_COOKIE_ECHOED */ \
180
        TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
181
        /* SCTP_STATE_ESTABLISHED */ \
182
        TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
183
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
184
        TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
185
        /* SCTP_STATE_SHUTDOWN_SENT */ \
186
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
187
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
188
        TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
189
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
190
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
191
} /* TYPE_SCTP_SACK */
192
 
193
#define TYPE_SCTP_HEARTBEAT { \
194
        /*  SCTP_STATE_EMPTY */ \
195
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
196
        /* SCTP_STATE_CLOSED */ \
197
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
198
        /* SCTP_STATE_COOKIE_WAIT */ \
199
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
200
        /* SCTP_STATE_COOKIE_ECHOED */ \
201
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
202
        /* SCTP_STATE_ESTABLISHED */ \
203
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
204
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
205
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
206
        /* SCTP_STATE_SHUTDOWN_SENT */ \
207
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
208
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
209
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
210
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
211
        /* This should not happen, but we are nice.  */ \
212
        TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
213
} /* TYPE_SCTP_HEARTBEAT */
214
 
215
#define TYPE_SCTP_HEARTBEAT_ACK { \
216
        /*  SCTP_STATE_EMPTY */ \
217
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
218
        /* SCTP_STATE_CLOSED */ \
219
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
220
        /* SCTP_STATE_COOKIE_WAIT */ \
221
        TYPE_SCTP_FUNC(sctp_sf_violation), \
222
        /* SCTP_STATE_COOKIE_ECHOED */ \
223
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
224
        /* SCTP_STATE_ESTABLISHED */ \
225
        TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
226
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
227
        TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
228
        /* SCTP_STATE_SHUTDOWN_SENT */ \
229
        TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
230
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
231
        TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
232
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
233
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
234
} /* TYPE_SCTP_HEARTBEAT_ACK */
235
 
236
#define TYPE_SCTP_ABORT { \
237
        /* SCTP_STATE_EMPTY */ \
238
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
239
        /* SCTP_STATE_CLOSED */ \
240
        TYPE_SCTP_FUNC(sctp_sf_pdiscard), \
241
        /* SCTP_STATE_COOKIE_WAIT */ \
242
        TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \
243
        /* SCTP_STATE_COOKIE_ECHOED */ \
244
        TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \
245
        /* SCTP_STATE_ESTABLISHED */ \
246
        TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
247
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
248
        TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \
249
        /* SCTP_STATE_SHUTDOWN_SENT */ \
250
        TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \
251
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
252
        TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
253
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
254
        TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \
255
} /* TYPE_SCTP_ABORT */
256
 
257
#define TYPE_SCTP_SHUTDOWN { \
258
        /* SCTP_STATE_EMPTY */ \
259
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
260
        /* SCTP_STATE_CLOSED */ \
261
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
262
        /* SCTP_STATE_COOKIE_WAIT */ \
263
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
264
        /* SCTP_STATE_COOKIE_ECHOED */ \
265
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
266
        /* SCTP_STATE_ESTABLISHED */ \
267
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
268
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
269
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
270
        /* SCTP_STATE_SHUTDOWN_SENT */ \
271
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
272
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
273
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
274
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
275
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
276
} /* TYPE_SCTP_SHUTDOWN */
277
 
278
#define TYPE_SCTP_SHUTDOWN_ACK { \
279
        /* SCTP_STATE_EMPTY */ \
280
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
281
        /* SCTP_STATE_CLOSED */ \
282
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
283
        /* SCTP_STATE_COOKIE_WAIT */ \
284
        TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
285
        /* SCTP_STATE_COOKIE_ECHOED */ \
286
        TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
287
        /* SCTP_STATE_ESTABLISHED */ \
288
        TYPE_SCTP_FUNC(sctp_sf_violation), \
289
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
290
        TYPE_SCTP_FUNC(sctp_sf_violation), \
291
        /* SCTP_STATE_SHUTDOWN_SENT */ \
292
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
293
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
294
        TYPE_SCTP_FUNC(sctp_sf_violation), \
295
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
296
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
297
} /* TYPE_SCTP_SHUTDOWN_ACK */
298
 
299
#define TYPE_SCTP_ERROR { \
300
        /* SCTP_STATE_EMPTY */ \
301
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
302
        /* SCTP_STATE_CLOSED */ \
303
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
304
        /* SCTP_STATE_COOKIE_WAIT */ \
305
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
306
        /* SCTP_STATE_COOKIE_ECHOED */ \
307
        TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \
308
        /* SCTP_STATE_ESTABLISHED */ \
309
        TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
310
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
311
        TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
312
        /* SCTP_STATE_SHUTDOWN_SENT */ \
313
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
314
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
315
        TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
316
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
317
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
318
} /* TYPE_SCTP_ERROR */
319
 
320
#define TYPE_SCTP_COOKIE_ECHO { \
321
        /* SCTP_STATE_EMPTY */ \
322
        TYPE_SCTP_FUNC(sctp_sf_bug), \
323
        /* SCTP_STATE_CLOSED */ \
324
        TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \
325
        /* SCTP_STATE_COOKIE_WAIT */ \
326
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
327
        /* SCTP_STATE_COOKIE_ECHOED */ \
328
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
329
        /* SCTP_STATE_ESTABLISHED */ \
330
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
331
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
332
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
333
        /* SCTP_STATE_SHUTDOWN_SENT */ \
334
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
335
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
336
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
337
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
338
        TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
339
} /* TYPE_SCTP_COOKIE_ECHO */
340
 
341
#define TYPE_SCTP_COOKIE_ACK { \
342
        /* SCTP_STATE_EMPTY */ \
343
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
344
        /* SCTP_STATE_CLOSED */ \
345
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
346
        /* SCTP_STATE_COOKIE_WAIT */ \
347
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
348
        /* SCTP_STATE_COOKIE_ECHOED */ \
349
        TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \
350
        /* SCTP_STATE_ESTABLISHED */ \
351
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
352
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
353
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
354
        /* SCTP_STATE_SHUTDOWN_SENT */ \
355
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
356
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
357
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
358
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
359
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
360
} /* TYPE_SCTP_COOKIE_ACK */
361
 
362
#define TYPE_SCTP_ECN_ECNE { \
363
        /* SCTP_STATE_EMPTY */ \
364
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
365
        /* SCTP_STATE_CLOSED */ \
366
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
367
        /* SCTP_STATE_COOKIE_WAIT */ \
368
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
369
        /* SCTP_STATE_COOKIE_ECHOED */ \
370
        TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
371
        /* SCTP_STATE_ESTABLISHED */ \
372
        TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
373
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
374
        TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
375
        /* SCTP_STATE_SHUTDOWN_SENT */ \
376
        TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
377
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
378
        TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
379
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
380
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
381
} /* TYPE_SCTP_ECN_ECNE */
382
 
383
#define TYPE_SCTP_ECN_CWR { \
384
        /* SCTP_STATE_EMPTY */ \
385
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
386
        /* SCTP_STATE_CLOSED */ \
387
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
388
        /* SCTP_STATE_COOKIE_WAIT */ \
389
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
390
        /* SCTP_STATE_COOKIE_ECHOED */ \
391
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
392
        /* SCTP_STATE_ESTABLISHED */ \
393
        TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
394
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
395
        TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
396
        /* SCTP_STATE_SHUTDOWN_SENT */ \
397
        TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
398
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
399
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
400
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
401
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
402
} /* TYPE_SCTP_ECN_CWR */
403
 
404
#define TYPE_SCTP_SHUTDOWN_COMPLETE { \
405
        /* SCTP_STATE_EMPTY */ \
406
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
407
        /* SCTP_STATE_CLOSED */ \
408
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
409
        /* SCTP_STATE_COOKIE_WAIT */ \
410
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
411
        /* SCTP_STATE_COOKIE_ECHOED */ \
412
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
413
        /* SCTP_STATE_ESTABLISHED */ \
414
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
415
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
416
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
417
        /* SCTP_STATE_SHUTDOWN_SENT */ \
418
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
419
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
420
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
421
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
422
        TYPE_SCTP_FUNC(sctp_sf_do_4_C), \
423
} /* TYPE_SCTP_SHUTDOWN_COMPLETE */
424
 
425
/* The primary index for this table is the chunk type.
426
 * The secondary index for this table is the state.
427
 *
428
 * For base protocol (RFC 2960).
429
 */
430
static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
431
        TYPE_SCTP_DATA,
432
        TYPE_SCTP_INIT,
433
        TYPE_SCTP_INIT_ACK,
434
        TYPE_SCTP_SACK,
435
        TYPE_SCTP_HEARTBEAT,
436
        TYPE_SCTP_HEARTBEAT_ACK,
437
        TYPE_SCTP_ABORT,
438
        TYPE_SCTP_SHUTDOWN,
439
        TYPE_SCTP_SHUTDOWN_ACK,
440
        TYPE_SCTP_ERROR,
441
        TYPE_SCTP_COOKIE_ECHO,
442
        TYPE_SCTP_COOKIE_ACK,
443
        TYPE_SCTP_ECN_ECNE,
444
        TYPE_SCTP_ECN_CWR,
445
        TYPE_SCTP_SHUTDOWN_COMPLETE,
446
}; /* state_fn_t chunk_event_table[][] */
447
 
448
#define TYPE_SCTP_ASCONF { \
449
        /* SCTP_STATE_EMPTY */ \
450
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
451
        /* SCTP_STATE_CLOSED */ \
452
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
453
        /* SCTP_STATE_COOKIE_WAIT */ \
454
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
455
        /* SCTP_STATE_COOKIE_ECHOED */ \
456
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
457
        /* SCTP_STATE_ESTABLISHED */ \
458
        TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
459
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
460
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
461
        /* SCTP_STATE_SHUTDOWN_SENT */ \
462
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
463
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
464
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
465
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
466
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
467
} /* TYPE_SCTP_ASCONF */
468
 
469
#define TYPE_SCTP_ASCONF_ACK { \
470
        /* SCTP_STATE_EMPTY */ \
471
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
472
        /* SCTP_STATE_CLOSED */ \
473
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
474
        /* SCTP_STATE_COOKIE_WAIT */ \
475
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
476
        /* SCTP_STATE_COOKIE_ECHOED */ \
477
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
478
        /* SCTP_STATE_ESTABLISHED */ \
479
        TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
480
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
481
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
482
        /* SCTP_STATE_SHUTDOWN_SENT */ \
483
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
484
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
485
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
486
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
487
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
488
} /* TYPE_SCTP_ASCONF_ACK */
489
 
490
/* The primary index for this table is the chunk type.
491
 * The secondary index for this table is the state.
492
 */
493
static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
494
        TYPE_SCTP_ASCONF,
495
        TYPE_SCTP_ASCONF_ACK,
496
}; /*state_fn_t addip_chunk_event_table[][] */
497
 
498
#define TYPE_SCTP_FWD_TSN { \
499
        /* SCTP_STATE_EMPTY */ \
500
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
501
        /* SCTP_STATE_CLOSED */ \
502
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
503
        /* SCTP_STATE_COOKIE_WAIT */ \
504
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
505
        /* SCTP_STATE_COOKIE_ECHOED */ \
506
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
507
        /* SCTP_STATE_ESTABLISHED */ \
508
        TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
509
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
510
        TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
511
        /* SCTP_STATE_SHUTDOWN_SENT */ \
512
        TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \
513
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
514
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
515
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
516
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
517
} /* TYPE_SCTP_FWD_TSN */
518
 
519
/* The primary index for this table is the chunk type.
520
 * The secondary index for this table is the state.
521
 */
522
static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
523
        TYPE_SCTP_FWD_TSN,
524
}; /*state_fn_t prsctp_chunk_event_table[][] */
525
 
526
#define TYPE_SCTP_AUTH { \
527
        /* SCTP_STATE_EMPTY */ \
528
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
529
        /* SCTP_STATE_CLOSED */ \
530
        TYPE_SCTP_FUNC(sctp_sf_ootb), \
531
        /* SCTP_STATE_COOKIE_WAIT */ \
532
        TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
533
        /* SCTP_STATE_COOKIE_ECHOED */ \
534
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
535
        /* SCTP_STATE_ESTABLISHED */ \
536
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
537
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
538
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
539
        /* SCTP_STATE_SHUTDOWN_SENT */ \
540
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
541
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
542
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
543
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
544
        TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
545
} /* TYPE_SCTP_AUTH */
546
 
547
/* The primary index for this table is the chunk type.
548
 * The secondary index for this table is the state.
549
 */
550
static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
551
        TYPE_SCTP_AUTH,
552
}; /*state_fn_t auth_chunk_event_table[][] */
553
 
554
static const sctp_sm_table_entry_t
555
chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
556
        /* SCTP_STATE_EMPTY */
557
        TYPE_SCTP_FUNC(sctp_sf_ootb),
558
        /* SCTP_STATE_CLOSED */
559
        TYPE_SCTP_FUNC(sctp_sf_ootb),
560
        /* SCTP_STATE_COOKIE_WAIT */
561
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
562
        /* SCTP_STATE_COOKIE_ECHOED */
563
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
564
        /* SCTP_STATE_ESTABLISHED */
565
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
566
        /* SCTP_STATE_SHUTDOWN_PENDING */
567
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
568
        /* SCTP_STATE_SHUTDOWN_SENT */
569
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
570
        /* SCTP_STATE_SHUTDOWN_RECEIVED */
571
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
572
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */
573
        TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
574
};      /* chunk unknown */
575
 
576
 
577
#define TYPE_SCTP_PRIMITIVE_ASSOCIATE  { \
578
        /* SCTP_STATE_EMPTY */ \
579
        TYPE_SCTP_FUNC(sctp_sf_bug), \
580
        /* SCTP_STATE_CLOSED */ \
581
        TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \
582
        /* SCTP_STATE_COOKIE_WAIT */ \
583
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
584
        /* SCTP_STATE_COOKIE_ECHOED */ \
585
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
586
        /* SCTP_STATE_ESTABLISHED */ \
587
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
588
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
589
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
590
        /* SCTP_STATE_SHUTDOWN_SENT */ \
591
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
592
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
593
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
594
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
595
        TYPE_SCTP_FUNC(sctp_sf_not_impl), \
596
} /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */
597
 
598
#define TYPE_SCTP_PRIMITIVE_SHUTDOWN  { \
599
        /* SCTP_STATE_EMPTY */ \
600
        TYPE_SCTP_FUNC(sctp_sf_bug), \
601
        /* SCTP_STATE_CLOSED */ \
602
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
603
        /* SCTP_STATE_COOKIE_WAIT */ \
604
        TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \
605
        /* SCTP_STATE_COOKIE_ECHOED */ \
606
        TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\
607
        /* SCTP_STATE_ESTABLISHED */ \
608
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \
609
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
610
        TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
611
        /* SCTP_STATE_SHUTDOWN_SENT */ \
612
        TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
613
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
614
        TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
615
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
616
        TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
617
} /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */
618
 
619
#define TYPE_SCTP_PRIMITIVE_ABORT  { \
620
        /* SCTP_STATE_EMPTY */ \
621
        TYPE_SCTP_FUNC(sctp_sf_bug), \
622
        /* SCTP_STATE_CLOSED */ \
623
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
624
        /* SCTP_STATE_COOKIE_WAIT */ \
625
        TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \
626
        /* SCTP_STATE_COOKIE_ECHOED */ \
627
        TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \
628
        /* SCTP_STATE_ESTABLISHED */ \
629
        TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
630
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
631
        TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \
632
        /* SCTP_STATE_SHUTDOWN_SENT */ \
633
        TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \
634
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
635
        TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
636
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
637
        TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \
638
} /* TYPE_SCTP_PRIMITIVE_ABORT */
639
 
640
#define TYPE_SCTP_PRIMITIVE_SEND  { \
641
        /* SCTP_STATE_EMPTY */ \
642
        TYPE_SCTP_FUNC(sctp_sf_bug), \
643
        /* SCTP_STATE_CLOSED */ \
644
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
645
        /* SCTP_STATE_COOKIE_WAIT */ \
646
        TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
647
        /* SCTP_STATE_COOKIE_ECHOED */ \
648
        TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
649
        /* SCTP_STATE_ESTABLISHED */ \
650
        TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
651
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
652
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
653
        /* SCTP_STATE_SHUTDOWN_SENT */ \
654
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
655
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
656
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
657
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
658
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
659
} /* TYPE_SCTP_PRIMITIVE_SEND */
660
 
661
#define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT  { \
662
        /* SCTP_STATE_EMPTY */ \
663
        TYPE_SCTP_FUNC(sctp_sf_bug), \
664
        /* SCTP_STATE_CLOSED */ \
665
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
666
        /* SCTP_STATE_COOKIE_WAIT */ \
667
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
668
        /* SCTP_STATE_COOKIE_ECHOED */ \
669
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
670
        /* SCTP_STATE_ESTABLISHED */ \
671
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
672
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
673
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
674
        /* SCTP_STATE_SHUTDOWN_SENT */ \
675
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
676
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
677
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
678
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
679
        TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
680
} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
681
 
682
#define TYPE_SCTP_PRIMITIVE_ASCONF { \
683
        /* SCTP_STATE_EMPTY */ \
684
        TYPE_SCTP_FUNC(sctp_sf_bug), \
685
        /* SCTP_STATE_CLOSED */ \
686
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
687
        /* SCTP_STATE_COOKIE_WAIT */ \
688
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
689
        /* SCTP_STATE_COOKIE_ECHOED */ \
690
        TYPE_SCTP_FUNC(sctp_sf_error_closed), \
691
        /* SCTP_STATE_ESTABLISHED */ \
692
        TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
693
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
694
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
695
        /* SCTP_STATE_SHUTDOWN_SENT */ \
696
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
697
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
698
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
699
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
700
        TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
701
} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
702
 
703
/* The primary index for this table is the primitive type.
704
 * The secondary index for this table is the state.
705
 */
706
static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = {
707
        TYPE_SCTP_PRIMITIVE_ASSOCIATE,
708
        TYPE_SCTP_PRIMITIVE_SHUTDOWN,
709
        TYPE_SCTP_PRIMITIVE_ABORT,
710
        TYPE_SCTP_PRIMITIVE_SEND,
711
        TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT,
712
        TYPE_SCTP_PRIMITIVE_ASCONF,
713
};
714
 
715
#define TYPE_SCTP_OTHER_NO_PENDING_TSN  { \
716
        /* SCTP_STATE_EMPTY */ \
717
        TYPE_SCTP_FUNC(sctp_sf_bug), \
718
        /* SCTP_STATE_CLOSED */ \
719
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
720
        /* SCTP_STATE_COOKIE_WAIT */ \
721
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
722
        /* SCTP_STATE_COOKIE_ECHOED */ \
723
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
724
        /* SCTP_STATE_ESTABLISHED */ \
725
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
726
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
727
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \
728
        /* SCTP_STATE_SHUTDOWN_SENT */ \
729
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
730
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
731
        TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
732
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
733
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
734
}
735
 
736
#define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH  { \
737
        /* SCTP_STATE_EMPTY */ \
738
        TYPE_SCTP_FUNC(sctp_sf_bug), \
739
        /* SCTP_STATE_CLOSED */ \
740
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
741
        /* SCTP_STATE_COOKIE_WAIT */ \
742
        TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \
743
        /* SCTP_STATE_COOKIE_ECHOED */ \
744
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
745
        /* SCTP_STATE_ESTABLISHED */ \
746
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
747
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
748
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
749
        /* SCTP_STATE_SHUTDOWN_SENT */ \
750
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
751
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
752
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
753
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
754
        TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
755
}
756
 
757
static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = {
758
        TYPE_SCTP_OTHER_NO_PENDING_TSN,
759
        TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH,
760
};
761
 
762
#define TYPE_SCTP_EVENT_TIMEOUT_NONE { \
763
        /* SCTP_STATE_EMPTY */ \
764
        TYPE_SCTP_FUNC(sctp_sf_bug), \
765
        /* SCTP_STATE_CLOSED */ \
766
        TYPE_SCTP_FUNC(sctp_sf_bug), \
767
        /* SCTP_STATE_COOKIE_WAIT */ \
768
        TYPE_SCTP_FUNC(sctp_sf_bug), \
769
        /* SCTP_STATE_COOKIE_ECHOED */ \
770
        TYPE_SCTP_FUNC(sctp_sf_bug), \
771
        /* SCTP_STATE_ESTABLISHED */ \
772
        TYPE_SCTP_FUNC(sctp_sf_bug), \
773
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
774
        TYPE_SCTP_FUNC(sctp_sf_bug), \
775
        /* SCTP_STATE_SHUTDOWN_SENT */ \
776
        TYPE_SCTP_FUNC(sctp_sf_bug), \
777
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
778
        TYPE_SCTP_FUNC(sctp_sf_bug), \
779
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
780
        TYPE_SCTP_FUNC(sctp_sf_bug), \
781
}
782
 
783
#define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \
784
        /* SCTP_STATE_EMPTY */ \
785
        TYPE_SCTP_FUNC(sctp_sf_bug), \
786
        /* SCTP_STATE_CLOSED */ \
787
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
788
        /* SCTP_STATE_COOKIE_WAIT */ \
789
        TYPE_SCTP_FUNC(sctp_sf_bug), \
790
        /* SCTP_STATE_COOKIE_ECHOED */ \
791
        TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \
792
        /* SCTP_STATE_ESTABLISHED */ \
793
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
794
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
795
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
796
        /* SCTP_STATE_SHUTDOWN_SENT */ \
797
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
798
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
799
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
800
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
801
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
802
}
803
 
804
#define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \
805
        /* SCTP_STATE_EMPTY */ \
806
        TYPE_SCTP_FUNC(sctp_sf_bug), \
807
        /* SCTP_STATE_CLOSED */ \
808
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
809
        /* SCTP_STATE_COOKIE_WAIT */ \
810
        TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \
811
        /* SCTP_STATE_COOKIE_ECHOED */ \
812
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
813
        /* SCTP_STATE_ESTABLISHED */ \
814
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
815
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
816
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
817
        /* SCTP_STATE_SHUTDOWN_SENT */ \
818
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
819
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
820
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
821
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
822
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
823
}
824
 
825
#define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \
826
        /* SCTP_STATE_EMPTY */ \
827
        TYPE_SCTP_FUNC(sctp_sf_bug), \
828
        /* SCTP_STATE_CLOSED */ \
829
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
830
        /* SCTP_STATE_COOKIE_WAIT */ \
831
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
832
        /* SCTP_STATE_COOKIE_ECHOED */ \
833
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
834
        /* SCTP_STATE_ESTABLISHED */ \
835
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
836
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
837
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
838
        /* SCTP_STATE_SHUTDOWN_SENT */ \
839
        TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
840
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
841
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
842
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
843
        TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
844
}
845
 
846
#define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \
847
        /* SCTP_STATE_EMPTY */ \
848
        TYPE_SCTP_FUNC(sctp_sf_bug), \
849
        /* SCTP_STATE_CLOSED */ \
850
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
851
        /* SCTP_STATE_COOKIE_WAIT */ \
852
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
853
        /* SCTP_STATE_COOKIE_ECHOED */ \
854
        TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
855
        /* SCTP_STATE_ESTABLISHED */ \
856
        TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
857
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
858
        TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
859
        /* SCTP_STATE_SHUTDOWN_SENT */ \
860
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
861
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
862
        TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
863
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
864
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
865
}
866
 
867
#define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \
868
        /* SCTP_STATE_EMPTY */ \
869
        TYPE_SCTP_FUNC(sctp_sf_bug), \
870
        /* SCTP_STATE_CLOSED */ \
871
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
872
        /* SCTP_STATE_COOKIE_WAIT */ \
873
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
874
        /* SCTP_STATE_COOKIE_ECHOED */ \
875
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
876
        /* SCTP_STATE_ESTABLISHED */ \
877
        TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \
878
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
879
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
880
        /* SCTP_STATE_SHUTDOWN_SENT */ \
881
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
882
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
883
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
884
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
885
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
886
}
887
 
888
#define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \
889
        /* SCTP_STATE_EMPTY */ \
890
        TYPE_SCTP_FUNC(sctp_sf_bug), \
891
        /* SCTP_STATE_CLOSED */ \
892
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
893
        /* SCTP_STATE_COOKIE_WAIT */ \
894
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
895
        /* SCTP_STATE_COOKIE_ECHOED */ \
896
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
897
        /* SCTP_STATE_ESTABLISHED */ \
898
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
899
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
900
        TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
901
        /* SCTP_STATE_SHUTDOWN_SENT */ \
902
        TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
903
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
904
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
905
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
906
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
907
}
908
 
909
#define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \
910
        /* SCTP_STATE_EMPTY */ \
911
        TYPE_SCTP_FUNC(sctp_sf_bug), \
912
        /* SCTP_STATE_CLOSED */ \
913
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
914
        /* SCTP_STATE_COOKIE_WAIT */ \
915
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
916
        /* SCTP_STATE_COOKIE_ECHOED */ \
917
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
918
        /* SCTP_STATE_ESTABLISHED */ \
919
        TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
920
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
921
        TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
922
        /* SCTP_STATE_SHUTDOWN_SENT */ \
923
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
924
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
925
        TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
926
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
927
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
928
}
929
 
930
#define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
931
        /* SCTP_STATE_EMPTY */ \
932
        TYPE_SCTP_FUNC(sctp_sf_bug), \
933
        /* SCTP_STATE_CLOSED */ \
934
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
935
        /* SCTP_STATE_COOKIE_WAIT */ \
936
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
937
        /* SCTP_STATE_COOKIE_ECHOED */ \
938
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
939
        /* SCTP_STATE_ESTABLISHED */ \
940
        TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
941
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
942
        TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
943
        /* SCTP_STATE_SHUTDOWN_SENT */ \
944
        TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
945
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
946
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
947
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
948
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
949
}
950
 
951
#define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
952
        /* SCTP_STATE_EMPTY */ \
953
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
954
        /* SCTP_STATE_CLOSED */ \
955
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
956
        /* SCTP_STATE_COOKIE_WAIT */ \
957
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
958
        /* SCTP_STATE_COOKIE_ECHOED */ \
959
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
960
        /* SCTP_STATE_ESTABLISHED */ \
961
        TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \
962
        /* SCTP_STATE_SHUTDOWN_PENDING */ \
963
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
964
        /* SCTP_STATE_SHUTDOWN_SENT */ \
965
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
966
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
967
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
968
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
969
        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
970
}
971
 
972
static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = {
973
        TYPE_SCTP_EVENT_TIMEOUT_NONE,
974
        TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE,
975
        TYPE_SCTP_EVENT_TIMEOUT_T1_INIT,
976
        TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN,
977
        TYPE_SCTP_EVENT_TIMEOUT_T3_RTX,
978
        TYPE_SCTP_EVENT_TIMEOUT_T4_RTO,
979
        TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD,
980
        TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT,
981
        TYPE_SCTP_EVENT_TIMEOUT_SACK,
982
        TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
983
};
984
 
985
static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
986
                                                            sctp_state_t state)
987
{
988
        if (state > SCTP_STATE_MAX)
989
                return &bug;
990
 
991
        if (cid <= SCTP_CID_BASE_MAX)
992
                return &chunk_event_table[cid][state];
993
 
994
        if (sctp_prsctp_enable) {
995
                if (cid == SCTP_CID_FWD_TSN)
996
                        return &prsctp_chunk_event_table[0][state];
997
        }
998
 
999
        if (sctp_addip_enable) {
1000
                if (cid == SCTP_CID_ASCONF)
1001
                        return &addip_chunk_event_table[0][state];
1002
 
1003
                if (cid == SCTP_CID_ASCONF_ACK)
1004
                        return &addip_chunk_event_table[1][state];
1005
        }
1006
 
1007
        if (sctp_auth_enable) {
1008
                if (cid == SCTP_CID_AUTH)
1009
                        return &auth_chunk_event_table[0][state];
1010
        }
1011
 
1012
        return &chunk_event_table_unknown[state];
1013
}

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