CoCalc -- sm_statetable.c

GitHub Repository: awilliam/linux-vfio
Path: blob/master/net/sctp/sm_statetable.c
¹⁵¹⁰⁹ views
1
/* SCTP kernel 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 implementation
9
 *
10
 * These are the state tables for the SCTP state machine.
11
 *
12
 * This SCTP 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
 * This SCTP 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 <[email protected]>
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 <[email protected]>
38
 *    Karl Knutson          <[email protected]>
39
 *    Jon Grimm             <[email protected]>
40
 *    Hui Huang		    <[email protected]>
41
 *    Daisy Chang	    <[email protected]>
42
 *    Ardelle Fan	    <[email protected]>
43
 *    Sridhar Samudrala	    <[email protected]>
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
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
50

51
#include <linux/skbuff.h>
52
#include <net/sctp/sctp.h>
53
#include <net/sctp/sm.h>
54

55
static const sctp_sm_table_entry_t
56
primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
57
static const sctp_sm_table_entry_t
58
other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
59
static const sctp_sm_table_entry_t
60
timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
61

62
static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
63
							    sctp_state_t state);
64

65

66
static const sctp_sm_table_entry_t bug = {
67
	.fn = sctp_sf_bug,
68
	.name = "sctp_sf_bug"
69
};
70

71
#define DO_LOOKUP(_max, _type, _table)					\
72
({									\
73
	const sctp_sm_table_entry_t *rtn;				\
74
									\
75
	if ((event_subtype._type > (_max))) {				\
76
		pr_warn("table %p possible attack: event %d exceeds max %d\n", \
77
			_table, event_subtype._type, _max);		\
78
	        rtn = &bug;						\
79
	} else								\
80
		rtn = &_table[event_subtype._type][(int)state];		\
81
									\
82
	rtn;								\
83
})
84

85
const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
86
						  sctp_state_t state,
87
						  sctp_subtype_t event_subtype)
88
{
89
	switch (event_type) {
90
	case SCTP_EVENT_T_CHUNK:
91
		return sctp_chunk_event_lookup(event_subtype.chunk, state);
92
	case SCTP_EVENT_T_TIMEOUT:
93
		return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
94
				 timeout_event_table);
95
	case SCTP_EVENT_T_OTHER:
96
		return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other,
97
				 other_event_table);
98
	case SCTP_EVENT_T_PRIMITIVE:
99
		return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
100
				 primitive_event_table);
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_CLOSED */ \
111
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
112
	/* SCTP_STATE_COOKIE_WAIT */ \
113
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
114
	/* SCTP_STATE_COOKIE_ECHOED */ \
115
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
116
	/* SCTP_STATE_ESTABLISHED */ \
117
	TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
118
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
119
	TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
120
	/* SCTP_STATE_SHUTDOWN_SENT */ \
121
	TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \
122
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
123
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
124
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
125
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
126
} /* TYPE_SCTP_DATA */
127

128
#define TYPE_SCTP_INIT { \
129
	/* SCTP_STATE_CLOSED */ \
130
	TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \
131
	/* SCTP_STATE_COOKIE_WAIT */ \
132
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
133
	/* SCTP_STATE_COOKIE_ECHOED */ \
134
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
135
	/* SCTP_STATE_ESTABLISHED */ \
136
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
137
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
138
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
139
	/* SCTP_STATE_SHUTDOWN_SENT */ \
140
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
141
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
142
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
143
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
144
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \
145
} /* TYPE_SCTP_INIT */
146

147
#define TYPE_SCTP_INIT_ACK { \
148
	/* SCTP_STATE_CLOSED */ \
149
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \
150
	/* SCTP_STATE_COOKIE_WAIT */ \
151
	TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \
152
	/* SCTP_STATE_COOKIE_ECHOED */ \
153
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
154
	/* SCTP_STATE_ESTABLISHED */ \
155
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
156
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
157
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
158
	/* SCTP_STATE_SHUTDOWN_SENT */ \
159
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
160
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
161
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
162
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
163
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
164
} /* TYPE_SCTP_INIT_ACK */
165

166
#define TYPE_SCTP_SACK { \
167
	/* SCTP_STATE_CLOSED */ \
168
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
169
	/* SCTP_STATE_COOKIE_WAIT */ \
170
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
171
	/* SCTP_STATE_COOKIE_ECHOED */ \
172
	TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
173
	/* SCTP_STATE_ESTABLISHED */ \
174
	TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
175
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
176
	TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
177
	/* SCTP_STATE_SHUTDOWN_SENT */ \
178
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
179
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
180
	TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
181
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
182
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
183
} /* TYPE_SCTP_SACK */
184

185
#define TYPE_SCTP_HEARTBEAT { \
186
	/* SCTP_STATE_CLOSED */ \
187
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
188
	/* SCTP_STATE_COOKIE_WAIT */ \
189
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
190
	/* SCTP_STATE_COOKIE_ECHOED */ \
191
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
192
	/* SCTP_STATE_ESTABLISHED */ \
193
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
194
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
195
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
196
	/* SCTP_STATE_SHUTDOWN_SENT */ \
197
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
198
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
199
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
200
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
201
	/* This should not happen, but we are nice.  */ \
202
	TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
203
} /* TYPE_SCTP_HEARTBEAT */
204

205
#define TYPE_SCTP_HEARTBEAT_ACK { \
206
	/* SCTP_STATE_CLOSED */ \
207
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
208
	/* SCTP_STATE_COOKIE_WAIT */ \
209
	TYPE_SCTP_FUNC(sctp_sf_violation), \
210
	/* SCTP_STATE_COOKIE_ECHOED */ \
211
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
212
	/* SCTP_STATE_ESTABLISHED */ \
213
	TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
214
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
215
	TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
216
	/* SCTP_STATE_SHUTDOWN_SENT */ \
217
	TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
218
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
219
	TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
220
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
221
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
222
} /* TYPE_SCTP_HEARTBEAT_ACK */
223

224
#define TYPE_SCTP_ABORT { \
225
	/* SCTP_STATE_CLOSED */ \
226
	TYPE_SCTP_FUNC(sctp_sf_pdiscard), \
227
	/* SCTP_STATE_COOKIE_WAIT */ \
228
	TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \
229
	/* SCTP_STATE_COOKIE_ECHOED */ \
230
	TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \
231
	/* SCTP_STATE_ESTABLISHED */ \
232
	TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
233
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
234
	TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \
235
	/* SCTP_STATE_SHUTDOWN_SENT */ \
236
	TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \
237
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
238
	TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
239
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
240
	TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \
241
} /* TYPE_SCTP_ABORT */
242

243
#define TYPE_SCTP_SHUTDOWN { \
244
	/* SCTP_STATE_CLOSED */ \
245
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
246
	/* SCTP_STATE_COOKIE_WAIT */ \
247
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
248
	/* SCTP_STATE_COOKIE_ECHOED */ \
249
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
250
	/* SCTP_STATE_ESTABLISHED */ \
251
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
252
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
253
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
254
	/* SCTP_STATE_SHUTDOWN_SENT */ \
255
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
256
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
257
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \
258
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
259
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
260
} /* TYPE_SCTP_SHUTDOWN */
261

262
#define TYPE_SCTP_SHUTDOWN_ACK { \
263
	/* SCTP_STATE_CLOSED */ \
264
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
265
	/* SCTP_STATE_COOKIE_WAIT */ \
266
	TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
267
	/* SCTP_STATE_COOKIE_ECHOED */ \
268
	TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
269
	/* SCTP_STATE_ESTABLISHED */ \
270
	TYPE_SCTP_FUNC(sctp_sf_violation), \
271
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
272
	TYPE_SCTP_FUNC(sctp_sf_violation), \
273
	/* SCTP_STATE_SHUTDOWN_SENT */ \
274
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
275
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
276
	TYPE_SCTP_FUNC(sctp_sf_violation), \
277
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
278
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
279
} /* TYPE_SCTP_SHUTDOWN_ACK */
280

281
#define TYPE_SCTP_ERROR { \
282
	/* SCTP_STATE_CLOSED */ \
283
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
284
	/* SCTP_STATE_COOKIE_WAIT */ \
285
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
286
	/* SCTP_STATE_COOKIE_ECHOED */ \
287
	TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \
288
	/* SCTP_STATE_ESTABLISHED */ \
289
	TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
290
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
291
	TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
292
	/* SCTP_STATE_SHUTDOWN_SENT */ \
293
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
294
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
295
	TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
296
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
297
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
298
} /* TYPE_SCTP_ERROR */
299

300
#define TYPE_SCTP_COOKIE_ECHO { \
301
	/* SCTP_STATE_CLOSED */ \
302
	TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \
303
	/* SCTP_STATE_COOKIE_WAIT */ \
304
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
305
	/* SCTP_STATE_COOKIE_ECHOED */ \
306
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
307
	/* SCTP_STATE_ESTABLISHED */ \
308
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
309
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
310
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
311
	/* SCTP_STATE_SHUTDOWN_SENT */ \
312
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
313
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
314
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
315
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
316
	TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
317
} /* TYPE_SCTP_COOKIE_ECHO */
318

319
#define TYPE_SCTP_COOKIE_ACK { \
320
	/* SCTP_STATE_CLOSED */ \
321
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
322
	/* SCTP_STATE_COOKIE_WAIT */ \
323
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
324
	/* SCTP_STATE_COOKIE_ECHOED */ \
325
	TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \
326
	/* SCTP_STATE_ESTABLISHED */ \
327
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
328
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
329
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
330
	/* SCTP_STATE_SHUTDOWN_SENT */ \
331
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
332
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
333
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
334
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
335
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
336
} /* TYPE_SCTP_COOKIE_ACK */
337

338
#define TYPE_SCTP_ECN_ECNE { \
339
	/* SCTP_STATE_CLOSED */ \
340
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
341
	/* SCTP_STATE_COOKIE_WAIT */ \
342
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
343
	/* SCTP_STATE_COOKIE_ECHOED */ \
344
	TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
345
	/* SCTP_STATE_ESTABLISHED */ \
346
	TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
347
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
348
	TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
349
	/* SCTP_STATE_SHUTDOWN_SENT */ \
350
	TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
351
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
352
	TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
353
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
354
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
355
} /* TYPE_SCTP_ECN_ECNE */
356

357
#define TYPE_SCTP_ECN_CWR { \
358
	/* SCTP_STATE_CLOSED */ \
359
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
360
	/* SCTP_STATE_COOKIE_WAIT */ \
361
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
362
	/* SCTP_STATE_COOKIE_ECHOED */ \
363
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
364
	/* SCTP_STATE_ESTABLISHED */ \
365
	TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
366
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
367
	TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
368
	/* SCTP_STATE_SHUTDOWN_SENT */ \
369
	TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
370
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
371
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
372
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
373
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
374
} /* TYPE_SCTP_ECN_CWR */
375

376
#define TYPE_SCTP_SHUTDOWN_COMPLETE { \
377
	/* SCTP_STATE_CLOSED */ \
378
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
379
	/* SCTP_STATE_COOKIE_WAIT */ \
380
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
381
	/* SCTP_STATE_COOKIE_ECHOED */ \
382
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
383
	/* SCTP_STATE_ESTABLISHED */ \
384
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
385
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
386
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
387
	/* SCTP_STATE_SHUTDOWN_SENT */ \
388
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
389
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
390
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
391
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
392
	TYPE_SCTP_FUNC(sctp_sf_do_4_C), \
393
} /* TYPE_SCTP_SHUTDOWN_COMPLETE */
394

395
/* The primary index for this table is the chunk type.
396
 * The secondary index for this table is the state.
397
 *
398
 * For base protocol (RFC 2960).
399
 */
400
static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
401
	TYPE_SCTP_DATA,
402
	TYPE_SCTP_INIT,
403
	TYPE_SCTP_INIT_ACK,
404
	TYPE_SCTP_SACK,
405
	TYPE_SCTP_HEARTBEAT,
406
	TYPE_SCTP_HEARTBEAT_ACK,
407
	TYPE_SCTP_ABORT,
408
	TYPE_SCTP_SHUTDOWN,
409
	TYPE_SCTP_SHUTDOWN_ACK,
410
	TYPE_SCTP_ERROR,
411
	TYPE_SCTP_COOKIE_ECHO,
412
	TYPE_SCTP_COOKIE_ACK,
413
	TYPE_SCTP_ECN_ECNE,
414
	TYPE_SCTP_ECN_CWR,
415
	TYPE_SCTP_SHUTDOWN_COMPLETE,
416
}; /* state_fn_t chunk_event_table[][] */
417

418
#define TYPE_SCTP_ASCONF { \
419
	/* SCTP_STATE_CLOSED */ \
420
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
421
	/* SCTP_STATE_COOKIE_WAIT */ \
422
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
423
	/* SCTP_STATE_COOKIE_ECHOED */ \
424
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
425
	/* SCTP_STATE_ESTABLISHED */ \
426
	TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
427
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
428
	TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
429
	/* SCTP_STATE_SHUTDOWN_SENT */ \
430
	TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
431
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
432
	TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
433
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
434
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
435
} /* TYPE_SCTP_ASCONF */
436

437
#define TYPE_SCTP_ASCONF_ACK { \
438
	/* SCTP_STATE_CLOSED */ \
439
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
440
	/* SCTP_STATE_COOKIE_WAIT */ \
441
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
442
	/* SCTP_STATE_COOKIE_ECHOED */ \
443
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
444
	/* SCTP_STATE_ESTABLISHED */ \
445
	TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
446
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
447
	TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
448
	/* SCTP_STATE_SHUTDOWN_SENT */ \
449
	TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
450
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
451
	TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
452
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
453
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
454
} /* TYPE_SCTP_ASCONF_ACK */
455

456
/* The primary index for this table is the chunk type.
457
 * The secondary index for this table is the state.
458
 */
459
static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
460
	TYPE_SCTP_ASCONF,
461
	TYPE_SCTP_ASCONF_ACK,
462
}; /*state_fn_t addip_chunk_event_table[][] */
463

464
#define TYPE_SCTP_FWD_TSN { \
465
	/* SCTP_STATE_CLOSED */ \
466
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
467
	/* SCTP_STATE_COOKIE_WAIT */ \
468
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
469
	/* SCTP_STATE_COOKIE_ECHOED */ \
470
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
471
	/* SCTP_STATE_ESTABLISHED */ \
472
	TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
473
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
474
	TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
475
	/* SCTP_STATE_SHUTDOWN_SENT */ \
476
	TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \
477
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
478
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
479
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
480
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
481
} /* TYPE_SCTP_FWD_TSN */
482

483
/* The primary index for this table is the chunk type.
484
 * The secondary index for this table is the state.
485
 */
486
static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
487
	TYPE_SCTP_FWD_TSN,
488
}; /*state_fn_t prsctp_chunk_event_table[][] */
489

490
#define TYPE_SCTP_AUTH { \
491
	/* SCTP_STATE_CLOSED */ \
492
	TYPE_SCTP_FUNC(sctp_sf_ootb), \
493
	/* SCTP_STATE_COOKIE_WAIT */ \
494
	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
495
	/* SCTP_STATE_COOKIE_ECHOED */ \
496
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
497
	/* SCTP_STATE_ESTABLISHED */ \
498
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
499
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
500
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
501
	/* SCTP_STATE_SHUTDOWN_SENT */ \
502
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
503
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
504
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
505
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
506
	TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
507
} /* TYPE_SCTP_AUTH */
508

509
/* The primary index for this table is the chunk type.
510
 * The secondary index for this table is the state.
511
 */
512
static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
513
	TYPE_SCTP_AUTH,
514
}; /*state_fn_t auth_chunk_event_table[][] */
515

516
static const sctp_sm_table_entry_t
517
chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
518
	/* SCTP_STATE_CLOSED */
519
	TYPE_SCTP_FUNC(sctp_sf_ootb),
520
	/* SCTP_STATE_COOKIE_WAIT */
521
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
522
	/* SCTP_STATE_COOKIE_ECHOED */
523
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
524
	/* SCTP_STATE_ESTABLISHED */
525
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
526
	/* SCTP_STATE_SHUTDOWN_PENDING */
527
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
528
	/* SCTP_STATE_SHUTDOWN_SENT */
529
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
530
	/* SCTP_STATE_SHUTDOWN_RECEIVED */
531
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
532
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */
533
	TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
534
};	/* chunk unknown */
535

536

537
#define TYPE_SCTP_PRIMITIVE_ASSOCIATE  { \
538
	/* SCTP_STATE_CLOSED */ \
539
	TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \
540
	/* SCTP_STATE_COOKIE_WAIT */ \
541
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
542
	/* SCTP_STATE_COOKIE_ECHOED */ \
543
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
544
	/* SCTP_STATE_ESTABLISHED */ \
545
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
546
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
547
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
548
	/* SCTP_STATE_SHUTDOWN_SENT */ \
549
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
550
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
551
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
552
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
553
	TYPE_SCTP_FUNC(sctp_sf_not_impl), \
554
} /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */
555

556
#define TYPE_SCTP_PRIMITIVE_SHUTDOWN  { \
557
	/* SCTP_STATE_CLOSED */ \
558
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
559
	/* SCTP_STATE_COOKIE_WAIT */ \
560
	TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \
561
	/* SCTP_STATE_COOKIE_ECHOED */ \
562
	TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\
563
	/* SCTP_STATE_ESTABLISHED */ \
564
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \
565
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
566
	TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
567
	/* SCTP_STATE_SHUTDOWN_SENT */ \
568
	TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
569
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
570
	TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
571
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
572
	TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
573
} /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */
574

575
#define TYPE_SCTP_PRIMITIVE_ABORT  { \
576
	/* SCTP_STATE_CLOSED */ \
577
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
578
	/* SCTP_STATE_COOKIE_WAIT */ \
579
	TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \
580
	/* SCTP_STATE_COOKIE_ECHOED */ \
581
	TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \
582
	/* SCTP_STATE_ESTABLISHED */ \
583
	TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
584
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
585
	TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \
586
	/* SCTP_STATE_SHUTDOWN_SENT */ \
587
	TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \
588
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
589
	TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
590
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
591
	TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \
592
} /* TYPE_SCTP_PRIMITIVE_ABORT */
593

594
#define TYPE_SCTP_PRIMITIVE_SEND  { \
595
	/* SCTP_STATE_CLOSED */ \
596
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
597
	/* SCTP_STATE_COOKIE_WAIT */ \
598
	TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
599
	/* SCTP_STATE_COOKIE_ECHOED */ \
600
	TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
601
	/* SCTP_STATE_ESTABLISHED */ \
602
	TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
603
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
604
	TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
605
	/* SCTP_STATE_SHUTDOWN_SENT */ \
606
	TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
607
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
608
	TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
609
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
610
	TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
611
} /* TYPE_SCTP_PRIMITIVE_SEND */
612

613
#define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT  { \
614
	/* SCTP_STATE_CLOSED */ \
615
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
616
	/* SCTP_STATE_COOKIE_WAIT */ \
617
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
618
	/* SCTP_STATE_COOKIE_ECHOED */ \
619
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
620
	/* SCTP_STATE_ESTABLISHED */ \
621
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
622
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
623
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
624
	/* SCTP_STATE_SHUTDOWN_SENT */ \
625
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
626
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
627
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
628
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
629
	TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat),          \
630
} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
631

632
#define TYPE_SCTP_PRIMITIVE_ASCONF { \
633
	/* SCTP_STATE_CLOSED */ \
634
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
635
	/* SCTP_STATE_COOKIE_WAIT */ \
636
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
637
	/* SCTP_STATE_COOKIE_ECHOED */ \
638
	TYPE_SCTP_FUNC(sctp_sf_error_closed), \
639
	/* SCTP_STATE_ESTABLISHED */ \
640
	TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
641
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
642
	TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
643
	/* SCTP_STATE_SHUTDOWN_SENT */ \
644
	TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
645
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
646
	TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
647
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
648
	TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
649
} /* TYPE_SCTP_PRIMITIVE_ASCONF */
650

651
/* The primary index for this table is the primitive type.
652
 * The secondary index for this table is the state.
653
 */
654
static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = {
655
	TYPE_SCTP_PRIMITIVE_ASSOCIATE,
656
	TYPE_SCTP_PRIMITIVE_SHUTDOWN,
657
	TYPE_SCTP_PRIMITIVE_ABORT,
658
	TYPE_SCTP_PRIMITIVE_SEND,
659
	TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT,
660
	TYPE_SCTP_PRIMITIVE_ASCONF,
661
};
662

663
#define TYPE_SCTP_OTHER_NO_PENDING_TSN  { \
664
	/* SCTP_STATE_CLOSED */ \
665
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
666
	/* SCTP_STATE_COOKIE_WAIT */ \
667
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
668
	/* SCTP_STATE_COOKIE_ECHOED */ \
669
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
670
	/* SCTP_STATE_ESTABLISHED */ \
671
	TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \
672
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
673
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \
674
	/* SCTP_STATE_SHUTDOWN_SENT */ \
675
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
676
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
677
	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
678
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
679
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
680
}
681

682
#define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH  { \
683
	/* SCTP_STATE_CLOSED */ \
684
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
685
	/* SCTP_STATE_COOKIE_WAIT */ \
686
	TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \
687
	/* SCTP_STATE_COOKIE_ECHOED */ \
688
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
689
	/* SCTP_STATE_ESTABLISHED */ \
690
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
691
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
692
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
693
	/* SCTP_STATE_SHUTDOWN_SENT */ \
694
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
695
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
696
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
697
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
698
	TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
699
}
700

701
static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = {
702
	TYPE_SCTP_OTHER_NO_PENDING_TSN,
703
	TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH,
704
};
705

706
#define TYPE_SCTP_EVENT_TIMEOUT_NONE { \
707
	/* SCTP_STATE_CLOSED */ \
708
	TYPE_SCTP_FUNC(sctp_sf_bug), \
709
	/* SCTP_STATE_COOKIE_WAIT */ \
710
	TYPE_SCTP_FUNC(sctp_sf_bug), \
711
	/* SCTP_STATE_COOKIE_ECHOED */ \
712
	TYPE_SCTP_FUNC(sctp_sf_bug), \
713
	/* SCTP_STATE_ESTABLISHED */ \
714
	TYPE_SCTP_FUNC(sctp_sf_bug), \
715
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
716
	TYPE_SCTP_FUNC(sctp_sf_bug), \
717
	/* SCTP_STATE_SHUTDOWN_SENT */ \
718
	TYPE_SCTP_FUNC(sctp_sf_bug), \
719
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
720
	TYPE_SCTP_FUNC(sctp_sf_bug), \
721
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
722
	TYPE_SCTP_FUNC(sctp_sf_bug), \
723
}
724

725
#define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \
726
	/* SCTP_STATE_CLOSED */ \
727
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
728
	/* SCTP_STATE_COOKIE_WAIT */ \
729
	TYPE_SCTP_FUNC(sctp_sf_bug), \
730
	/* SCTP_STATE_COOKIE_ECHOED */ \
731
	TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \
732
	/* SCTP_STATE_ESTABLISHED */ \
733
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
734
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
735
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
736
	/* SCTP_STATE_SHUTDOWN_SENT */ \
737
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
738
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
739
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
740
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
741
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
742
}
743

744
#define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \
745
	/* SCTP_STATE_CLOSED */ \
746
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
747
	/* SCTP_STATE_COOKIE_WAIT */ \
748
	TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \
749
	/* SCTP_STATE_COOKIE_ECHOED */ \
750
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
751
	/* SCTP_STATE_ESTABLISHED */ \
752
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
753
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
754
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
755
	/* SCTP_STATE_SHUTDOWN_SENT */ \
756
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
757
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
758
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
759
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
760
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
761
}
762

763
#define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \
764
	/* SCTP_STATE_CLOSED */ \
765
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
766
	/* SCTP_STATE_COOKIE_WAIT */ \
767
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
768
	/* SCTP_STATE_COOKIE_ECHOED */ \
769
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
770
	/* SCTP_STATE_ESTABLISHED */ \
771
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
772
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
773
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
774
	/* SCTP_STATE_SHUTDOWN_SENT */ \
775
	TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
776
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
777
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
778
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
779
	TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
780
}
781

782
#define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \
783
	/* SCTP_STATE_CLOSED */ \
784
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
785
	/* SCTP_STATE_COOKIE_WAIT */ \
786
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
787
	/* SCTP_STATE_COOKIE_ECHOED */ \
788
	TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
789
	/* SCTP_STATE_ESTABLISHED */ \
790
	TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
791
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
792
	TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
793
	/* SCTP_STATE_SHUTDOWN_SENT */ \
794
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
795
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
796
	TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
797
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
798
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
799
}
800

801
#define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \
802
	/* SCTP_STATE_CLOSED */ \
803
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
804
	/* SCTP_STATE_COOKIE_WAIT */ \
805
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
806
	/* SCTP_STATE_COOKIE_ECHOED */ \
807
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
808
	/* SCTP_STATE_ESTABLISHED */ \
809
	TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \
810
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
811
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
812
	/* SCTP_STATE_SHUTDOWN_SENT */ \
813
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
814
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
815
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
816
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
817
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
818
}
819

820
#define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \
821
	/* SCTP_STATE_CLOSED */ \
822
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
823
	/* SCTP_STATE_COOKIE_WAIT */ \
824
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
825
	/* SCTP_STATE_COOKIE_ECHOED */ \
826
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
827
	/* SCTP_STATE_ESTABLISHED */ \
828
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
829
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
830
	TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
831
	/* SCTP_STATE_SHUTDOWN_SENT */ \
832
	TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
833
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
834
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
835
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
836
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
837
}
838

839
#define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \
840
	/* SCTP_STATE_CLOSED */ \
841
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
842
	/* SCTP_STATE_COOKIE_WAIT */ \
843
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
844
	/* SCTP_STATE_COOKIE_ECHOED */ \
845
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
846
	/* SCTP_STATE_ESTABLISHED */ \
847
	TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
848
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
849
	TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
850
	/* SCTP_STATE_SHUTDOWN_SENT */ \
851
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
852
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
853
	TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
854
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
855
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
856
}
857

858
#define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
859
	/* SCTP_STATE_CLOSED */ \
860
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
861
	/* SCTP_STATE_COOKIE_WAIT */ \
862
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
863
	/* SCTP_STATE_COOKIE_ECHOED */ \
864
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
865
	/* SCTP_STATE_ESTABLISHED */ \
866
	TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
867
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
868
	TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
869
	/* SCTP_STATE_SHUTDOWN_SENT */ \
870
	TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
871
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
872
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
873
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
874
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
875
}
876

877
#define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
878
	/* SCTP_STATE_CLOSED */ \
879
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
880
	/* SCTP_STATE_COOKIE_WAIT */ \
881
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
882
	/* SCTP_STATE_COOKIE_ECHOED */ \
883
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
884
	/* SCTP_STATE_ESTABLISHED */ \
885
	TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \
886
	/* SCTP_STATE_SHUTDOWN_PENDING */ \
887
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
888
	/* SCTP_STATE_SHUTDOWN_SENT */ \
889
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
890
	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
891
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
892
	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
893
	TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
894
}
895

896
static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = {
897
	TYPE_SCTP_EVENT_TIMEOUT_NONE,
898
	TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE,
899
	TYPE_SCTP_EVENT_TIMEOUT_T1_INIT,
900
	TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN,
901
	TYPE_SCTP_EVENT_TIMEOUT_T3_RTX,
902
	TYPE_SCTP_EVENT_TIMEOUT_T4_RTO,
903
	TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD,
904
	TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT,
905
	TYPE_SCTP_EVENT_TIMEOUT_SACK,
906
	TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
907
};
908

909
static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
910
							    sctp_state_t state)
911
{
912
	if (state > SCTP_STATE_MAX)
913
		return &bug;
914

915
	if (cid <= SCTP_CID_BASE_MAX)
916
		return &chunk_event_table[cid][state];
917

918
	if (sctp_prsctp_enable) {
919
		if (cid == SCTP_CID_FWD_TSN)
920
			return &prsctp_chunk_event_table[0][state];
921
	}
922

923
	if (sctp_addip_enable) {
924
		if (cid == SCTP_CID_ASCONF)
925
			return &addip_chunk_event_table[0][state];
926

927
		if (cid == SCTP_CID_ASCONF_ACK)
928
			return &addip_chunk_event_table[1][state];
929
	}
930

931
	if (sctp_auth_enable) {
932
		if (cid == SCTP_CID_AUTH)
933
			return &auth_chunk_event_table[0][state];
934
	}
935

936
	return &chunk_event_table_unknown[state];
937
}
938

939
Product

Resources

Company
