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60c778b2 | 1 | /* SCTP kernel implementation |
1da177e4 LT |
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 | * | |
60c778b2 | 8 | * This file is part of the SCTP kernel implementation |
1da177e4 LT |
9 | * |
10 | * These are the state tables for the SCTP state machine. | |
11 | * | |
60c778b2 | 12 | * This SCTP implementation is free software; |
1da177e4 LT |
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 | * | |
60c778b2 | 18 | * This SCTP implementation is distributed in the hope that it |
1da177e4 LT |
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 | ||
145ce502 JP |
49 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
50 | ||
1da177e4 LT |
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 | ||
145ce502 JP |
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 | }) | |
1da177e4 LT |
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); | |
1da177e4 | 92 | case SCTP_EVENT_T_TIMEOUT: |
145ce502 JP |
93 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
94 | timeout_event_table); | |
1da177e4 | 95 | case SCTP_EVENT_T_OTHER: |
145ce502 JP |
96 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
97 | other_event_table); | |
1da177e4 | 98 | case SCTP_EVENT_T_PRIMITIVE: |
145ce502 JP |
99 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
100 | primitive_event_table); | |
1da177e4 LT |
101 | default: |
102 | /* Yikes! We got an illegal event type. */ | |
103 | return &bug; | |
3ff50b79 | 104 | } |
1da177e4 LT |
105 | } |
106 | ||
1ed176a8 PZ |
107 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
108 | ||
1da177e4 | 109 | #define TYPE_SCTP_DATA { \ |
1da177e4 | 110 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 111 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 112 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 113 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 114 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 115 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 116 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 117 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 118 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 119 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 120 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 121 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
1da177e4 | 122 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 123 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 124 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 125 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
126 | } /* TYPE_SCTP_DATA */ |
127 | ||
128 | #define TYPE_SCTP_INIT { \ | |
1da177e4 | 129 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 130 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
1da177e4 | 131 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 132 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 133 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 134 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 135 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 136 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 137 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 138 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 139 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 140 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 141 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 142 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 143 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 144 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
1da177e4 LT |
145 | } /* TYPE_SCTP_INIT */ |
146 | ||
147 | #define TYPE_SCTP_INIT_ACK { \ | |
1da177e4 | 148 | /* SCTP_STATE_CLOSED */ \ |
610ab73a | 149 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
1da177e4 | 150 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 151 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
1da177e4 | 152 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 153 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 154 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 155 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 156 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 157 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 158 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 159 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 160 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 161 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 162 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 163 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
164 | } /* TYPE_SCTP_INIT_ACK */ |
165 | ||
166 | #define TYPE_SCTP_SACK { \ | |
1da177e4 | 167 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 168 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 169 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 170 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 171 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 172 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 173 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 174 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 175 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 176 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 177 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 178 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 179 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 180 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 181 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 182 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
183 | } /* TYPE_SCTP_SACK */ |
184 | ||
185 | #define TYPE_SCTP_HEARTBEAT { \ | |
1da177e4 | 186 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 187 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 188 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 189 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 190 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 191 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 192 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 193 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 194 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 195 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 196 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 197 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 198 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 199 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
200 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
201 | /* This should not happen, but we are nice. */ \ | |
1ed176a8 | 202 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
203 | } /* TYPE_SCTP_HEARTBEAT */ |
204 | ||
205 | #define TYPE_SCTP_HEARTBEAT_ACK { \ | |
1da177e4 | 206 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 207 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 208 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 209 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 210 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 211 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 212 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 213 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 214 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 215 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 216 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 217 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 218 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 219 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 220 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 221 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
222 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
223 | ||
224 | #define TYPE_SCTP_ABORT { \ | |
1da177e4 | 225 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 226 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
1da177e4 | 227 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 228 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
1da177e4 | 229 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 230 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
1da177e4 | 231 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 232 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 233 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 234 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
1da177e4 | 235 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 236 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
1da177e4 | 237 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 238 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 239 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 240 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
1da177e4 LT |
241 | } /* TYPE_SCTP_ABORT */ |
242 | ||
243 | #define TYPE_SCTP_SHUTDOWN { \ | |
1da177e4 | 244 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 245 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 246 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 247 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 248 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 249 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 250 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 251 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 252 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
cf896d51 | 253 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 254 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 255 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 256 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
2e3f92da | 257 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
1da177e4 | 258 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 259 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
260 | } /* TYPE_SCTP_SHUTDOWN */ |
261 | ||
262 | #define TYPE_SCTP_SHUTDOWN_ACK { \ | |
1da177e4 | 263 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 264 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 265 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 266 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 267 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 268 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 269 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 270 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 271 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 272 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 273 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 274 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 | 275 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 276 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 277 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 278 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 LT |
279 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
280 | ||
281 | #define TYPE_SCTP_ERROR { \ | |
1da177e4 | 282 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 283 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 284 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 285 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 286 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 287 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
1da177e4 | 288 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 289 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 290 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 291 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 292 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 293 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 294 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 295 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 296 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 297 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
298 | } /* TYPE_SCTP_ERROR */ |
299 | ||
300 | #define TYPE_SCTP_COOKIE_ECHO { \ | |
1da177e4 | 301 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 302 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
1da177e4 | 303 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 304 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 305 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 306 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 307 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 308 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 309 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 310 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 311 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 312 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 313 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 314 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 315 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 316 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 LT |
317 | } /* TYPE_SCTP_COOKIE_ECHO */ |
318 | ||
319 | #define TYPE_SCTP_COOKIE_ACK { \ | |
1da177e4 | 320 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 321 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 322 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 323 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 324 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 325 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
1da177e4 | 326 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 327 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 328 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 329 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 330 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 331 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 332 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 333 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 334 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 335 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
336 | } /* TYPE_SCTP_COOKIE_ACK */ |
337 | ||
338 | #define TYPE_SCTP_ECN_ECNE { \ | |
1da177e4 | 339 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 340 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 341 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 342 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 343 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 344 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 345 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 346 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 347 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 348 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 349 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 350 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 351 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 352 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 353 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 354 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
355 | } /* TYPE_SCTP_ECN_ECNE */ |
356 | ||
357 | #define TYPE_SCTP_ECN_CWR { \ | |
1da177e4 | 358 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 359 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 360 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 361 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 362 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 363 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 364 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 365 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 366 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 367 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 368 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 369 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 370 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 371 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 372 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 373 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
374 | } /* TYPE_SCTP_ECN_CWR */ |
375 | ||
376 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ | |
1da177e4 | 377 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 378 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 379 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 380 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 381 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 382 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 383 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 384 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 385 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 386 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 387 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 388 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 389 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 390 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 391 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 392 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
1da177e4 LT |
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 { \ | |
1da177e4 | 419 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 420 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 421 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 422 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 423 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 424 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 425 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 426 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 427 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 428 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 429 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 430 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 431 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 432 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 433 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 434 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
435 | } /* TYPE_SCTP_ASCONF */ |
436 | ||
437 | #define TYPE_SCTP_ASCONF_ACK { \ | |
1da177e4 | 438 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 439 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 440 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 441 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 442 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 443 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 444 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 445 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 446 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 447 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 448 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 449 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 450 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 451 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 452 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 453 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
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 { \ | |
1da177e4 | 465 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 466 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 467 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 468 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 469 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 470 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 471 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 472 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 473 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 474 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 475 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 476 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
1da177e4 | 477 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 478 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 479 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 480 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
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 | ||
bbd0d598 | 490 | #define TYPE_SCTP_AUTH { \ |
bbd0d598 VY |
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 | ||
1da177e4 LT |
516 | static const sctp_sm_table_entry_t |
517 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { | |
1da177e4 | 518 | /* SCTP_STATE_CLOSED */ |
ece25dfa | 519 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
1da177e4 | 520 | /* SCTP_STATE_COOKIE_WAIT */ |
1ed176a8 | 521 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 522 | /* SCTP_STATE_COOKIE_ECHOED */ |
1ed176a8 | 523 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 524 | /* SCTP_STATE_ESTABLISHED */ |
1ed176a8 | 525 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 526 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
1ed176a8 | 527 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 528 | /* SCTP_STATE_SHUTDOWN_SENT */ |
1ed176a8 | 529 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 530 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
1ed176a8 | 531 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 532 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
1ed176a8 | 533 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 LT |
534 | }; /* chunk unknown */ |
535 | ||
536 | ||
537 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ | |
1da177e4 | 538 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 539 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
1da177e4 | 540 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 541 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 542 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 543 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 544 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 545 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 546 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 547 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 548 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 549 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 550 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 551 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 552 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 553 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 LT |
554 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
555 | ||
556 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ | |
1da177e4 | 557 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 558 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 559 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 560 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
1da177e4 | 561 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 562 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
1da177e4 | 563 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 564 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
1da177e4 | 565 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 566 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 567 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 568 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 569 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 570 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 571 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 572 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 LT |
573 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
574 | ||
575 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ | |
1da177e4 | 576 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 577 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 578 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 579 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
1da177e4 | 580 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 581 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
1da177e4 | 582 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 583 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 584 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 585 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
1da177e4 | 586 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 587 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
1da177e4 | 588 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 589 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 590 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 591 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
1da177e4 LT |
592 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
593 | ||
594 | #define TYPE_SCTP_PRIMITIVE_SEND { \ | |
1da177e4 | 595 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 596 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 597 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 598 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 599 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 600 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 601 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 602 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 603 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 604 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 605 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 606 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 607 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 608 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 609 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 610 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 LT |
611 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
612 | ||
613 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ | |
1da177e4 | 614 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 615 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 616 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 617 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 618 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 619 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 620 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 621 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 622 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 623 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 624 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 625 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 626 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 627 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 628 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 629 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 LT |
630 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
631 | ||
632 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ | |
1da177e4 | 633 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 634 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 635 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 636 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 637 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 638 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 639 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 640 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 641 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 642 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 643 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 644 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 645 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 646 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 647 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 648 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
4553e88d | 649 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
1da177e4 LT |
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 { \ | |
1da177e4 | 664 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 665 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 666 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 667 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 668 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 669 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 670 | /* SCTP_STATE_ESTABLISHED */ \ |
e1cdd553 | 671 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
1da177e4 | 672 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 673 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
1da177e4 | 674 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 675 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 676 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 677 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 678 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 679 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
680 | } |
681 | ||
682 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ | |
1da177e4 | 683 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 684 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 685 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 686 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
1da177e4 | 687 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 688 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 689 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 690 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 691 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 692 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 693 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 694 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 695 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 696 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 697 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 698 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
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 { \ | |
1da177e4 | 707 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 708 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 709 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 710 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 711 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 712 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 713 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 714 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 715 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 716 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 717 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 718 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 719 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 720 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 721 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 722 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 LT |
723 | } |
724 | ||
725 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ | |
1da177e4 | 726 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 727 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 728 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 729 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 730 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 731 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
1da177e4 | 732 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 733 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 734 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 735 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 736 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 737 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 738 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 739 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 740 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 741 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
742 | } |
743 | ||
744 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ | |
1da177e4 | 745 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 746 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 747 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 748 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
1da177e4 | 749 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 750 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 751 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 752 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 753 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 754 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 755 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 756 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 757 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 758 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 759 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 760 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
761 | } |
762 | ||
763 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ | |
1da177e4 | 764 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 765 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 766 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 767 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 768 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 769 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 770 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 771 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 772 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 773 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 774 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 775 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 | 776 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 777 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 778 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 779 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 LT |
780 | } |
781 | ||
782 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ | |
1da177e4 | 783 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 784 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 785 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 786 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 787 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 788 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 789 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 790 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 791 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 792 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 793 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 794 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 795 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 796 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 797 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 798 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
799 | } |
800 | ||
801 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ | |
1da177e4 | 802 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 803 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 804 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 805 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 806 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 807 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 808 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 809 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
1da177e4 | 810 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 811 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 812 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 813 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 814 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 815 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 816 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 817 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
818 | } |
819 | ||
820 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ | |
1da177e4 | 821 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 822 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 823 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 824 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 825 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 826 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 827 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 828 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 829 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
536428a9 | 830 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 831 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 832 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 833 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 834 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 835 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 836 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
837 | } |
838 | ||
839 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ | |
1da177e4 | 840 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 841 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 842 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 843 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 844 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 845 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 846 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 847 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 848 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 849 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 850 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 851 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 852 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 853 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 854 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 855 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
856 | } |
857 | ||
858 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ | |
1da177e4 | 859 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 860 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 861 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 862 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 863 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 864 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 865 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 866 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 867 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 868 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 869 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 870 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 871 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 872 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 873 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 874 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
875 | } |
876 | ||
877 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ | |
1da177e4 | 878 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 879 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 880 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 881 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 882 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 883 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 884 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 885 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
1da177e4 | 886 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 887 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 888 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 889 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 890 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 891 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 892 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 893 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
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 | ||
d808ad9a | 909 | static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid, |
1da177e4 LT |
910 | sctp_state_t state) |
911 | { | |
912 | if (state > SCTP_STATE_MAX) | |
913 | return &bug; | |
914 | ||
75202e76 | 915 | if (cid <= SCTP_CID_BASE_MAX) |
1da177e4 LT |
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 | ||
bbd0d598 VY |
931 | if (sctp_auth_enable) { |
932 | if (cid == SCTP_CID_AUTH) | |
933 | return &auth_chunk_event_table[0][state]; | |
934 | } | |
935 | ||
1da177e4 LT |
936 | return &chunk_event_table_unknown[state]; |
937 | } |