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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): | |
91705c61 | 31 | * lksctp developers <linux-sctp@vger.kernel.org> |
1da177e4 | 32 | * |
1da177e4 LT |
33 | * Written or modified by: |
34 | * La Monte H.P. Yarroll <piggy@acm.org> | |
35 | * Karl Knutson <karl@athena.chicago.il.us> | |
36 | * Jon Grimm <jgrimm@us.ibm.com> | |
37 | * Hui Huang <hui.huang@nokia.com> | |
38 | * Daisy Chang <daisyc@us.ibm.com> | |
39 | * Ardelle Fan <ardelle.fan@intel.com> | |
40 | * Sridhar Samudrala <sri@us.ibm.com> | |
1da177e4 LT |
41 | */ |
42 | ||
145ce502 JP |
43 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
44 | ||
1da177e4 LT |
45 | #include <linux/skbuff.h> |
46 | #include <net/sctp/sctp.h> | |
47 | #include <net/sctp/sm.h> | |
48 | ||
49 | static const sctp_sm_table_entry_t | |
50 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; | |
51 | static const sctp_sm_table_entry_t | |
52 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; | |
53 | static const sctp_sm_table_entry_t | |
54 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; | |
55 | ||
55e26eb9 EB |
56 | static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net, |
57 | sctp_cid_t cid, | |
1da177e4 LT |
58 | sctp_state_t state); |
59 | ||
60 | ||
61 | static const sctp_sm_table_entry_t bug = { | |
62 | .fn = sctp_sf_bug, | |
63 | .name = "sctp_sf_bug" | |
64 | }; | |
65 | ||
145ce502 JP |
66 | #define DO_LOOKUP(_max, _type, _table) \ |
67 | ({ \ | |
68 | const sctp_sm_table_entry_t *rtn; \ | |
69 | \ | |
70 | if ((event_subtype._type > (_max))) { \ | |
71 | pr_warn("table %p possible attack: event %d exceeds max %d\n", \ | |
72 | _table, event_subtype._type, _max); \ | |
73 | rtn = &bug; \ | |
74 | } else \ | |
75 | rtn = &_table[event_subtype._type][(int)state]; \ | |
76 | \ | |
77 | rtn; \ | |
78 | }) | |
1da177e4 | 79 | |
55e26eb9 EB |
80 | const sctp_sm_table_entry_t *sctp_sm_lookup_event(struct net *net, |
81 | sctp_event_t event_type, | |
1da177e4 LT |
82 | sctp_state_t state, |
83 | sctp_subtype_t event_subtype) | |
84 | { | |
85 | switch (event_type) { | |
86 | case SCTP_EVENT_T_CHUNK: | |
55e26eb9 | 87 | return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
1da177e4 | 88 | case SCTP_EVENT_T_TIMEOUT: |
145ce502 JP |
89 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
90 | timeout_event_table); | |
1da177e4 | 91 | case SCTP_EVENT_T_OTHER: |
145ce502 JP |
92 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
93 | other_event_table); | |
1da177e4 | 94 | case SCTP_EVENT_T_PRIMITIVE: |
145ce502 JP |
95 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
96 | primitive_event_table); | |
1da177e4 LT |
97 | default: |
98 | /* Yikes! We got an illegal event type. */ | |
99 | return &bug; | |
3ff50b79 | 100 | } |
1da177e4 LT |
101 | } |
102 | ||
1ed176a8 PZ |
103 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
104 | ||
1da177e4 | 105 | #define TYPE_SCTP_DATA { \ |
1da177e4 | 106 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 107 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 108 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 109 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 110 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 111 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 112 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 113 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 114 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 115 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 116 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 117 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
1da177e4 | 118 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 119 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 120 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 121 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
122 | } /* TYPE_SCTP_DATA */ |
123 | ||
124 | #define TYPE_SCTP_INIT { \ | |
1da177e4 | 125 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 126 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
1da177e4 | 127 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 128 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 129 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 130 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 131 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 132 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 133 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 134 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 135 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 136 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 137 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 138 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 139 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 140 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
1da177e4 LT |
141 | } /* TYPE_SCTP_INIT */ |
142 | ||
143 | #define TYPE_SCTP_INIT_ACK { \ | |
1da177e4 | 144 | /* SCTP_STATE_CLOSED */ \ |
610ab73a | 145 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
1da177e4 | 146 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 147 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
1da177e4 | 148 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 149 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 150 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 151 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 152 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 153 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 154 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 155 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 156 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 157 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 158 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 159 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
160 | } /* TYPE_SCTP_INIT_ACK */ |
161 | ||
162 | #define TYPE_SCTP_SACK { \ | |
1da177e4 | 163 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 164 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 165 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 166 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 167 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 168 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 169 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 170 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 171 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 172 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 173 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 174 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 175 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 176 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 177 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 178 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
179 | } /* TYPE_SCTP_SACK */ |
180 | ||
181 | #define TYPE_SCTP_HEARTBEAT { \ | |
1da177e4 | 182 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 183 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 184 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 185 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 186 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 187 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 188 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 189 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 190 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 191 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 192 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 193 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 194 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 195 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
196 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
197 | /* This should not happen, but we are nice. */ \ | |
1ed176a8 | 198 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
199 | } /* TYPE_SCTP_HEARTBEAT */ |
200 | ||
201 | #define TYPE_SCTP_HEARTBEAT_ACK { \ | |
1da177e4 | 202 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 203 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 204 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 205 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 206 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 207 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 208 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 209 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 210 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 211 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 212 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 213 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 214 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 215 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 216 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 217 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
218 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
219 | ||
220 | #define TYPE_SCTP_ABORT { \ | |
1da177e4 | 221 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 222 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
1da177e4 | 223 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 224 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
1da177e4 | 225 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 226 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
1da177e4 | 227 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 228 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 229 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 230 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
1da177e4 | 231 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 232 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
1da177e4 | 233 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 234 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 235 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 236 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
1da177e4 LT |
237 | } /* TYPE_SCTP_ABORT */ |
238 | ||
239 | #define TYPE_SCTP_SHUTDOWN { \ | |
1da177e4 | 240 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 241 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 242 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 243 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 244 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 245 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 246 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 247 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 248 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
cf896d51 | 249 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 250 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 251 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 252 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
2e3f92da | 253 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
1da177e4 | 254 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 255 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
256 | } /* TYPE_SCTP_SHUTDOWN */ |
257 | ||
258 | #define TYPE_SCTP_SHUTDOWN_ACK { \ | |
1da177e4 | 259 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 260 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 261 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 262 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 263 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 264 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 265 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 266 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 267 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 268 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 269 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 270 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 | 271 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 272 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 273 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 274 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 LT |
275 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
276 | ||
277 | #define TYPE_SCTP_ERROR { \ | |
1da177e4 | 278 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 279 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 280 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 281 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 282 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 283 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
1da177e4 | 284 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 285 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 286 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 287 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 288 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 289 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 290 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 291 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 292 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 293 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
294 | } /* TYPE_SCTP_ERROR */ |
295 | ||
296 | #define TYPE_SCTP_COOKIE_ECHO { \ | |
1da177e4 | 297 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 298 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
1da177e4 | 299 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 300 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 301 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 302 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 303 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 304 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 305 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 306 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 307 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 308 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 309 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 310 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 311 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 312 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 LT |
313 | } /* TYPE_SCTP_COOKIE_ECHO */ |
314 | ||
315 | #define TYPE_SCTP_COOKIE_ACK { \ | |
1da177e4 | 316 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 317 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 318 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 319 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 320 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 321 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
1da177e4 | 322 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 323 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 324 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 325 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 326 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 327 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 328 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 329 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 330 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 331 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
332 | } /* TYPE_SCTP_COOKIE_ACK */ |
333 | ||
334 | #define TYPE_SCTP_ECN_ECNE { \ | |
1da177e4 | 335 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 336 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 337 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 338 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 339 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 340 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 341 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 342 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 343 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 344 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 345 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 346 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 347 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 348 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 349 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 350 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
351 | } /* TYPE_SCTP_ECN_ECNE */ |
352 | ||
353 | #define TYPE_SCTP_ECN_CWR { \ | |
1da177e4 | 354 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 355 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 356 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 357 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 358 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 359 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 360 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 361 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 362 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 363 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 364 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 365 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 366 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 367 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 368 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 369 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
370 | } /* TYPE_SCTP_ECN_CWR */ |
371 | ||
372 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ | |
1da177e4 | 373 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 374 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 375 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 376 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 377 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 378 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 379 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 380 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 381 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 382 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 383 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 384 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 385 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 386 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 387 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 388 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
1da177e4 LT |
389 | } /* TYPE_SCTP_SHUTDOWN_COMPLETE */ |
390 | ||
391 | /* The primary index for this table is the chunk type. | |
392 | * The secondary index for this table is the state. | |
393 | * | |
394 | * For base protocol (RFC 2960). | |
395 | */ | |
396 | static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
397 | TYPE_SCTP_DATA, | |
398 | TYPE_SCTP_INIT, | |
399 | TYPE_SCTP_INIT_ACK, | |
400 | TYPE_SCTP_SACK, | |
401 | TYPE_SCTP_HEARTBEAT, | |
402 | TYPE_SCTP_HEARTBEAT_ACK, | |
403 | TYPE_SCTP_ABORT, | |
404 | TYPE_SCTP_SHUTDOWN, | |
405 | TYPE_SCTP_SHUTDOWN_ACK, | |
406 | TYPE_SCTP_ERROR, | |
407 | TYPE_SCTP_COOKIE_ECHO, | |
408 | TYPE_SCTP_COOKIE_ACK, | |
409 | TYPE_SCTP_ECN_ECNE, | |
410 | TYPE_SCTP_ECN_CWR, | |
411 | TYPE_SCTP_SHUTDOWN_COMPLETE, | |
412 | }; /* state_fn_t chunk_event_table[][] */ | |
413 | ||
414 | #define TYPE_SCTP_ASCONF { \ | |
1da177e4 | 415 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 416 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 417 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 418 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 419 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 420 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 421 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 422 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 423 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 424 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 425 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 426 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 427 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 428 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 429 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 430 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
431 | } /* TYPE_SCTP_ASCONF */ |
432 | ||
433 | #define TYPE_SCTP_ASCONF_ACK { \ | |
1da177e4 | 434 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 435 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 436 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 437 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 438 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 439 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 440 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 441 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 442 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 443 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 444 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 445 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 446 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 447 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 448 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 449 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
450 | } /* TYPE_SCTP_ASCONF_ACK */ |
451 | ||
452 | /* The primary index for this table is the chunk type. | |
453 | * The secondary index for this table is the state. | |
454 | */ | |
455 | static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
456 | TYPE_SCTP_ASCONF, | |
457 | TYPE_SCTP_ASCONF_ACK, | |
458 | }; /*state_fn_t addip_chunk_event_table[][] */ | |
459 | ||
460 | #define TYPE_SCTP_FWD_TSN { \ | |
1da177e4 | 461 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 462 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 463 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 464 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 465 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 466 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 467 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 468 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 469 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 470 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 471 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 472 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
1da177e4 | 473 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 474 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 475 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 476 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
477 | } /* TYPE_SCTP_FWD_TSN */ |
478 | ||
479 | /* The primary index for this table is the chunk type. | |
480 | * The secondary index for this table is the state. | |
481 | */ | |
482 | static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
483 | TYPE_SCTP_FWD_TSN, | |
484 | }; /*state_fn_t prsctp_chunk_event_table[][] */ | |
485 | ||
bbd0d598 | 486 | #define TYPE_SCTP_AUTH { \ |
bbd0d598 VY |
487 | /* SCTP_STATE_CLOSED */ \ |
488 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ | |
489 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
490 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
491 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
492 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
493 | /* SCTP_STATE_ESTABLISHED */ \ | |
494 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
495 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
496 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
497 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
498 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
499 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
500 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
501 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
502 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
503 | } /* TYPE_SCTP_AUTH */ | |
504 | ||
505 | /* The primary index for this table is the chunk type. | |
506 | * The secondary index for this table is the state. | |
507 | */ | |
508 | static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
509 | TYPE_SCTP_AUTH, | |
510 | }; /*state_fn_t auth_chunk_event_table[][] */ | |
511 | ||
1da177e4 LT |
512 | static const sctp_sm_table_entry_t |
513 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { | |
1da177e4 | 514 | /* SCTP_STATE_CLOSED */ |
ece25dfa | 515 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
1da177e4 | 516 | /* SCTP_STATE_COOKIE_WAIT */ |
1ed176a8 | 517 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 518 | /* SCTP_STATE_COOKIE_ECHOED */ |
1ed176a8 | 519 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 520 | /* SCTP_STATE_ESTABLISHED */ |
1ed176a8 | 521 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 522 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
1ed176a8 | 523 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 524 | /* SCTP_STATE_SHUTDOWN_SENT */ |
1ed176a8 | 525 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 526 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
1ed176a8 | 527 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 528 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
1ed176a8 | 529 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 LT |
530 | }; /* chunk unknown */ |
531 | ||
532 | ||
533 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ | |
1da177e4 | 534 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 535 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
1da177e4 | 536 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 537 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 538 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 539 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 540 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 541 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 542 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 543 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 544 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 545 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 546 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 547 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 548 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 549 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 LT |
550 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
551 | ||
552 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ | |
1da177e4 | 553 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 554 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 555 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 556 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
1da177e4 | 557 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 558 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
1da177e4 | 559 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 560 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
1da177e4 | 561 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 562 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 563 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 564 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 565 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 566 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 567 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 568 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 LT |
569 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
570 | ||
571 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ | |
1da177e4 | 572 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 573 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 574 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 575 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
1da177e4 | 576 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 577 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
1da177e4 | 578 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 579 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 580 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 581 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
1da177e4 | 582 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 583 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
1da177e4 | 584 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 585 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 586 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 587 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
1da177e4 LT |
588 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
589 | ||
590 | #define TYPE_SCTP_PRIMITIVE_SEND { \ | |
1da177e4 | 591 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 592 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 593 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 594 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 595 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 596 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 597 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 598 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 599 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 600 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 601 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 602 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 603 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 604 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 605 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 606 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 LT |
607 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
608 | ||
609 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ | |
1da177e4 | 610 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 611 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 612 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 613 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 614 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 615 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 616 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 617 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 618 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 619 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 620 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 621 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 622 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 623 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 624 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 625 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 LT |
626 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
627 | ||
628 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ | |
1da177e4 | 629 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 630 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 631 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 632 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 633 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 634 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 635 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 636 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 637 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 638 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 639 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 640 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 641 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 642 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 643 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 644 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
4553e88d | 645 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
1da177e4 LT |
646 | |
647 | /* The primary index for this table is the primitive type. | |
648 | * The secondary index for this table is the state. | |
649 | */ | |
650 | static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { | |
651 | TYPE_SCTP_PRIMITIVE_ASSOCIATE, | |
652 | TYPE_SCTP_PRIMITIVE_SHUTDOWN, | |
653 | TYPE_SCTP_PRIMITIVE_ABORT, | |
654 | TYPE_SCTP_PRIMITIVE_SEND, | |
655 | TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT, | |
656 | TYPE_SCTP_PRIMITIVE_ASCONF, | |
657 | }; | |
658 | ||
659 | #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ | |
1da177e4 | 660 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 661 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 662 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 663 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 664 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 665 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 666 | /* SCTP_STATE_ESTABLISHED */ \ |
e1cdd553 | 667 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
1da177e4 | 668 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 669 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
1da177e4 | 670 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 671 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 672 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 673 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 674 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 675 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
676 | } |
677 | ||
678 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ | |
1da177e4 | 679 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 680 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 681 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 682 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
1da177e4 | 683 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 684 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 685 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 686 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 687 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 688 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 689 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 690 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 691 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 692 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 693 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 694 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
695 | } |
696 | ||
697 | static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { | |
698 | TYPE_SCTP_OTHER_NO_PENDING_TSN, | |
699 | TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, | |
700 | }; | |
701 | ||
702 | #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ | |
1da177e4 | 703 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 704 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 705 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 706 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 707 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 708 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 709 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 710 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 711 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 712 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 713 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 714 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 715 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 716 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 717 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 718 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 LT |
719 | } |
720 | ||
721 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ | |
1da177e4 | 722 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 723 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 724 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 725 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 726 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 727 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
1da177e4 | 728 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 729 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 730 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 731 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 732 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 733 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 734 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 735 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 736 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 737 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
738 | } |
739 | ||
740 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ | |
1da177e4 | 741 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 742 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 743 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 744 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
1da177e4 | 745 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 746 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 747 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 748 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 749 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 750 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 751 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 752 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 753 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 754 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 755 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 756 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
757 | } |
758 | ||
759 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ | |
1da177e4 | 760 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 761 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 762 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 763 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 764 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 765 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 766 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 767 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 768 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 769 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 770 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 771 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 | 772 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 773 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 774 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 775 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 LT |
776 | } |
777 | ||
778 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ | |
1da177e4 | 779 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 780 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 781 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 782 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 783 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 784 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 785 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 786 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 787 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 788 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 789 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 790 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 791 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 792 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 793 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 794 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
795 | } |
796 | ||
797 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ | |
1da177e4 | 798 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 799 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 800 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 801 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 802 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 803 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 804 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 805 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
1da177e4 | 806 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 807 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 808 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 809 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 810 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 811 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 812 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 813 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
814 | } |
815 | ||
816 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ | |
1da177e4 | 817 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 818 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 819 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 820 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 821 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 822 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 823 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 824 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 825 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
f8d96052 | 826 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 827 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 828 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 829 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 830 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 831 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 832 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
833 | } |
834 | ||
835 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ | |
1da177e4 | 836 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 837 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 838 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 839 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 840 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 841 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 842 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 843 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 844 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 845 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 846 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 847 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 848 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 849 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 850 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 851 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
852 | } |
853 | ||
854 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ | |
1da177e4 | 855 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 856 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 857 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 858 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 859 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 860 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 861 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 862 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 863 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 864 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 865 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 866 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 867 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 868 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 869 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 870 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
871 | } |
872 | ||
873 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ | |
1da177e4 | 874 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 875 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 876 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 877 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 878 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 879 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 880 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 881 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
1da177e4 | 882 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 883 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 884 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 885 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 886 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 887 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 888 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 889 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
890 | } |
891 | ||
892 | static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { | |
893 | TYPE_SCTP_EVENT_TIMEOUT_NONE, | |
894 | TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE, | |
895 | TYPE_SCTP_EVENT_TIMEOUT_T1_INIT, | |
896 | TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN, | |
897 | TYPE_SCTP_EVENT_TIMEOUT_T3_RTX, | |
898 | TYPE_SCTP_EVENT_TIMEOUT_T4_RTO, | |
899 | TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, | |
900 | TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT, | |
901 | TYPE_SCTP_EVENT_TIMEOUT_SACK, | |
902 | TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, | |
903 | }; | |
904 | ||
55e26eb9 EB |
905 | static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net, |
906 | sctp_cid_t cid, | |
1da177e4 LT |
907 | sctp_state_t state) |
908 | { | |
909 | if (state > SCTP_STATE_MAX) | |
910 | return &bug; | |
911 | ||
75202e76 | 912 | if (cid <= SCTP_CID_BASE_MAX) |
1da177e4 LT |
913 | return &chunk_event_table[cid][state]; |
914 | ||
e1fc3b14 | 915 | if (net->sctp.prsctp_enable) { |
1da177e4 LT |
916 | if (cid == SCTP_CID_FWD_TSN) |
917 | return &prsctp_chunk_event_table[0][state]; | |
918 | } | |
919 | ||
e1fc3b14 | 920 | if (net->sctp.addip_enable) { |
1da177e4 LT |
921 | if (cid == SCTP_CID_ASCONF) |
922 | return &addip_chunk_event_table[0][state]; | |
923 | ||
924 | if (cid == SCTP_CID_ASCONF_ACK) | |
925 | return &addip_chunk_event_table[1][state]; | |
926 | } | |
927 | ||
e1fc3b14 | 928 | if (net->sctp.auth_enable) { |
bbd0d598 VY |
929 | if (cid == SCTP_CID_AUTH) |
930 | return &auth_chunk_event_table[0][state]; | |
931 | } | |
932 | ||
1da177e4 LT |
933 | return &chunk_event_table_unknown[state]; |
934 | } |