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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 | |
4b2f13a2 JK |
25 | * along with GNU CC; see the file COPYING. If not, see |
26 | * <http://www.gnu.org/licenses/>. | |
1da177e4 LT |
27 | * |
28 | * Please send any bug reports or fixes you make to the | |
29 | * email address(es): | |
91705c61 | 30 | * lksctp developers <linux-sctp@vger.kernel.org> |
1da177e4 | 31 | * |
1da177e4 LT |
32 | * Written or modified by: |
33 | * La Monte H.P. Yarroll <piggy@acm.org> | |
34 | * Karl Knutson <karl@athena.chicago.il.us> | |
35 | * Jon Grimm <jgrimm@us.ibm.com> | |
36 | * Hui Huang <hui.huang@nokia.com> | |
37 | * Daisy Chang <daisyc@us.ibm.com> | |
38 | * Ardelle Fan <ardelle.fan@intel.com> | |
39 | * Sridhar Samudrala <sri@us.ibm.com> | |
1da177e4 LT |
40 | */ |
41 | ||
145ce502 JP |
42 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
43 | ||
1da177e4 LT |
44 | #include <linux/skbuff.h> |
45 | #include <net/sctp/sctp.h> | |
46 | #include <net/sctp/sm.h> | |
47 | ||
48 | static const sctp_sm_table_entry_t | |
49 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; | |
50 | static const sctp_sm_table_entry_t | |
51 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; | |
52 | static const sctp_sm_table_entry_t | |
53 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; | |
54 | ||
55e26eb9 | 55 | static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net, |
6d85e68f | 56 | enum sctp_cid cid, |
1da177e4 LT |
57 | sctp_state_t state); |
58 | ||
59 | ||
60 | static const sctp_sm_table_entry_t bug = { | |
61 | .fn = sctp_sf_bug, | |
62 | .name = "sctp_sf_bug" | |
63 | }; | |
64 | ||
145ce502 JP |
65 | #define DO_LOOKUP(_max, _type, _table) \ |
66 | ({ \ | |
67 | const sctp_sm_table_entry_t *rtn; \ | |
68 | \ | |
69 | if ((event_subtype._type > (_max))) { \ | |
70 | pr_warn("table %p possible attack: event %d exceeds max %d\n", \ | |
71 | _table, event_subtype._type, _max); \ | |
f7010e61 | 72 | rtn = &bug; \ |
145ce502 JP |
73 | } else \ |
74 | rtn = &_table[event_subtype._type][(int)state]; \ | |
75 | \ | |
76 | rtn; \ | |
77 | }) | |
1da177e4 | 78 | |
55e26eb9 EB |
79 | const sctp_sm_table_entry_t *sctp_sm_lookup_event(struct net *net, |
80 | sctp_event_t event_type, | |
1da177e4 LT |
81 | sctp_state_t state, |
82 | sctp_subtype_t event_subtype) | |
83 | { | |
84 | switch (event_type) { | |
85 | case SCTP_EVENT_T_CHUNK: | |
55e26eb9 | 86 | return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
1da177e4 | 87 | case SCTP_EVENT_T_TIMEOUT: |
145ce502 JP |
88 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
89 | timeout_event_table); | |
1da177e4 | 90 | case SCTP_EVENT_T_OTHER: |
145ce502 JP |
91 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
92 | other_event_table); | |
1da177e4 | 93 | case SCTP_EVENT_T_PRIMITIVE: |
145ce502 JP |
94 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
95 | primitive_event_table); | |
1da177e4 LT |
96 | default: |
97 | /* Yikes! We got an illegal event type. */ | |
98 | return &bug; | |
3ff50b79 | 99 | } |
1da177e4 LT |
100 | } |
101 | ||
1ed176a8 PZ |
102 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
103 | ||
1da177e4 | 104 | #define TYPE_SCTP_DATA { \ |
1da177e4 | 105 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 106 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 107 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 108 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 109 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 110 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 111 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 112 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 113 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 114 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 115 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 116 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
1da177e4 | 117 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 118 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 119 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 120 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
121 | } /* TYPE_SCTP_DATA */ |
122 | ||
123 | #define TYPE_SCTP_INIT { \ | |
1da177e4 | 124 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 125 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
1da177e4 | 126 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 127 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 128 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 129 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 130 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 131 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 132 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 133 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 134 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 135 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 136 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 137 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 138 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 139 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
1da177e4 LT |
140 | } /* TYPE_SCTP_INIT */ |
141 | ||
142 | #define TYPE_SCTP_INIT_ACK { \ | |
1da177e4 | 143 | /* SCTP_STATE_CLOSED */ \ |
610ab73a | 144 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
1da177e4 | 145 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 146 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
1da177e4 | 147 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 148 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 149 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 150 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 151 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 152 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 153 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 154 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 155 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 156 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 157 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 158 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
159 | } /* TYPE_SCTP_INIT_ACK */ |
160 | ||
161 | #define TYPE_SCTP_SACK { \ | |
1da177e4 | 162 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 163 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 164 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 165 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 166 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 167 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 168 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 169 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 170 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 171 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 172 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 173 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 174 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 175 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 176 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 177 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
178 | } /* TYPE_SCTP_SACK */ |
179 | ||
180 | #define TYPE_SCTP_HEARTBEAT { \ | |
1da177e4 | 181 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 182 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 183 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 184 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 185 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 186 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 187 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 188 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 189 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 190 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 191 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 192 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 193 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 194 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
195 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
196 | /* This should not happen, but we are nice. */ \ | |
1ed176a8 | 197 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
198 | } /* TYPE_SCTP_HEARTBEAT */ |
199 | ||
200 | #define TYPE_SCTP_HEARTBEAT_ACK { \ | |
1da177e4 | 201 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 202 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 203 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 204 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 205 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 206 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 207 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 208 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 209 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 210 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 211 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 212 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 213 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 214 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 215 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 216 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
217 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
218 | ||
219 | #define TYPE_SCTP_ABORT { \ | |
1da177e4 | 220 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 221 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
1da177e4 | 222 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 223 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
1da177e4 | 224 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 225 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
1da177e4 | 226 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 227 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 228 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 229 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
1da177e4 | 230 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 231 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
1da177e4 | 232 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 233 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 234 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 235 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
1da177e4 LT |
236 | } /* TYPE_SCTP_ABORT */ |
237 | ||
238 | #define TYPE_SCTP_SHUTDOWN { \ | |
1da177e4 | 239 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 240 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 241 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 242 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 243 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 244 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 245 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 246 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 247 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
cf896d51 | 248 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 249 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 250 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 251 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
2e3f92da | 252 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
1da177e4 | 253 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 254 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
255 | } /* TYPE_SCTP_SHUTDOWN */ |
256 | ||
257 | #define TYPE_SCTP_SHUTDOWN_ACK { \ | |
1da177e4 | 258 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 259 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 260 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 261 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 262 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 263 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 264 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 265 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 266 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 267 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 268 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 269 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 | 270 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 271 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 272 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 273 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 LT |
274 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
275 | ||
276 | #define TYPE_SCTP_ERROR { \ | |
1da177e4 | 277 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 278 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 279 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 280 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 281 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 282 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
1da177e4 | 283 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 284 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 285 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 286 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 287 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 288 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 289 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 290 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 291 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 292 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
293 | } /* TYPE_SCTP_ERROR */ |
294 | ||
295 | #define TYPE_SCTP_COOKIE_ECHO { \ | |
1da177e4 | 296 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 297 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
1da177e4 | 298 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 299 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 300 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 301 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 302 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 303 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 304 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 305 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 306 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 307 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 308 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 309 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 310 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 311 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 LT |
312 | } /* TYPE_SCTP_COOKIE_ECHO */ |
313 | ||
314 | #define TYPE_SCTP_COOKIE_ACK { \ | |
1da177e4 | 315 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 316 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 317 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 318 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 319 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 320 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
1da177e4 | 321 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 322 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 323 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 324 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 325 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 326 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 327 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 328 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 329 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 330 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
331 | } /* TYPE_SCTP_COOKIE_ACK */ |
332 | ||
333 | #define TYPE_SCTP_ECN_ECNE { \ | |
1da177e4 | 334 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 335 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 336 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 337 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 338 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 339 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 340 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 341 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 342 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 343 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 344 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 345 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 346 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 347 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 348 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 349 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
350 | } /* TYPE_SCTP_ECN_ECNE */ |
351 | ||
352 | #define TYPE_SCTP_ECN_CWR { \ | |
1da177e4 | 353 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 354 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 355 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 356 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 357 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 358 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 359 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 360 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 361 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 362 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 363 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 364 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 365 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 366 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 367 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 368 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
369 | } /* TYPE_SCTP_ECN_CWR */ |
370 | ||
371 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ | |
1da177e4 | 372 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 373 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 374 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 375 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 376 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 377 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 378 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 379 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 380 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 381 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 382 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 383 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 384 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 385 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 386 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 387 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
1da177e4 LT |
388 | } /* TYPE_SCTP_SHUTDOWN_COMPLETE */ |
389 | ||
390 | /* The primary index for this table is the chunk type. | |
391 | * The secondary index for this table is the state. | |
392 | * | |
393 | * For base protocol (RFC 2960). | |
394 | */ | |
395 | static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
396 | TYPE_SCTP_DATA, | |
397 | TYPE_SCTP_INIT, | |
398 | TYPE_SCTP_INIT_ACK, | |
399 | TYPE_SCTP_SACK, | |
400 | TYPE_SCTP_HEARTBEAT, | |
401 | TYPE_SCTP_HEARTBEAT_ACK, | |
402 | TYPE_SCTP_ABORT, | |
403 | TYPE_SCTP_SHUTDOWN, | |
404 | TYPE_SCTP_SHUTDOWN_ACK, | |
405 | TYPE_SCTP_ERROR, | |
406 | TYPE_SCTP_COOKIE_ECHO, | |
407 | TYPE_SCTP_COOKIE_ACK, | |
408 | TYPE_SCTP_ECN_ECNE, | |
409 | TYPE_SCTP_ECN_CWR, | |
410 | TYPE_SCTP_SHUTDOWN_COMPLETE, | |
411 | }; /* state_fn_t chunk_event_table[][] */ | |
412 | ||
413 | #define TYPE_SCTP_ASCONF { \ | |
1da177e4 | 414 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 415 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 416 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 417 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 418 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 419 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 420 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 421 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 422 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 423 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 424 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 425 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 426 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 427 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 428 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 429 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
430 | } /* TYPE_SCTP_ASCONF */ |
431 | ||
432 | #define TYPE_SCTP_ASCONF_ACK { \ | |
1da177e4 | 433 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 434 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 435 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 436 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 437 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 438 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 439 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 440 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 441 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 442 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 443 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 444 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 445 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 446 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 447 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 448 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
449 | } /* TYPE_SCTP_ASCONF_ACK */ |
450 | ||
451 | /* The primary index for this table is the chunk type. | |
452 | * The secondary index for this table is the state. | |
453 | */ | |
454 | static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
455 | TYPE_SCTP_ASCONF, | |
456 | TYPE_SCTP_ASCONF_ACK, | |
457 | }; /*state_fn_t addip_chunk_event_table[][] */ | |
458 | ||
459 | #define TYPE_SCTP_FWD_TSN { \ | |
1da177e4 | 460 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 461 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 462 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 463 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 464 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 465 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 466 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 467 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 468 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 469 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 470 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 471 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
1da177e4 | 472 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 473 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 474 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 475 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
476 | } /* TYPE_SCTP_FWD_TSN */ |
477 | ||
478 | /* The primary index for this table is the chunk type. | |
479 | * The secondary index for this table is the state. | |
480 | */ | |
481 | static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
482 | TYPE_SCTP_FWD_TSN, | |
483 | }; /*state_fn_t prsctp_chunk_event_table[][] */ | |
484 | ||
d884aa63 XL |
485 | #define TYPE_SCTP_RECONF { \ |
486 | /* SCTP_STATE_CLOSED */ \ | |
487 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
488 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
489 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
490 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
491 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
492 | /* SCTP_STATE_ESTABLISHED */ \ | |
493 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
494 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
495 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
496 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
497 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
498 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
499 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
500 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
501 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
502 | } /* TYPE_SCTP_RECONF */ | |
503 | ||
504 | /* The primary index for this table is the chunk type. | |
505 | * The secondary index for this table is the state. | |
506 | */ | |
507 | static const sctp_sm_table_entry_t reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
508 | TYPE_SCTP_RECONF, | |
509 | }; /*state_fn_t reconf_chunk_event_table[][] */ | |
510 | ||
bbd0d598 | 511 | #define TYPE_SCTP_AUTH { \ |
bbd0d598 VY |
512 | /* SCTP_STATE_CLOSED */ \ |
513 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ | |
514 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
515 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
516 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
517 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
518 | /* SCTP_STATE_ESTABLISHED */ \ | |
519 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
520 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
521 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
522 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
523 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
524 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
525 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
526 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
527 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
528 | } /* TYPE_SCTP_AUTH */ | |
529 | ||
530 | /* The primary index for this table is the chunk type. | |
531 | * The secondary index for this table is the state. | |
532 | */ | |
533 | static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
534 | TYPE_SCTP_AUTH, | |
535 | }; /*state_fn_t auth_chunk_event_table[][] */ | |
536 | ||
1da177e4 LT |
537 | static const sctp_sm_table_entry_t |
538 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { | |
1da177e4 | 539 | /* SCTP_STATE_CLOSED */ |
ece25dfa | 540 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
1da177e4 | 541 | /* SCTP_STATE_COOKIE_WAIT */ |
1ed176a8 | 542 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 543 | /* SCTP_STATE_COOKIE_ECHOED */ |
1ed176a8 | 544 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 545 | /* SCTP_STATE_ESTABLISHED */ |
1ed176a8 | 546 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 547 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
1ed176a8 | 548 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 549 | /* SCTP_STATE_SHUTDOWN_SENT */ |
1ed176a8 | 550 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 551 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
1ed176a8 | 552 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 553 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
1ed176a8 | 554 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 LT |
555 | }; /* chunk unknown */ |
556 | ||
557 | ||
558 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ | |
1da177e4 | 559 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 560 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
1da177e4 | 561 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 562 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 563 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 564 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 565 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 566 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 567 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 568 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 569 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 570 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 571 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 572 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 573 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 574 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 LT |
575 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
576 | ||
577 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ | |
1da177e4 | 578 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 579 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 580 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 581 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
1da177e4 | 582 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 583 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
1da177e4 | 584 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 585 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
1da177e4 | 586 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 587 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 588 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 589 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 590 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 591 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 592 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 593 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 LT |
594 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
595 | ||
596 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ | |
1da177e4 | 597 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 598 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 599 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 600 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
1da177e4 | 601 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 602 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
1da177e4 | 603 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 604 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 605 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 606 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
1da177e4 | 607 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 608 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
1da177e4 | 609 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 610 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 611 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 612 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
1da177e4 LT |
613 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
614 | ||
615 | #define TYPE_SCTP_PRIMITIVE_SEND { \ | |
1da177e4 | 616 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 617 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 618 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 619 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 620 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 621 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 622 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 623 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 624 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 625 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 626 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 627 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 628 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 629 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 630 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 631 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 LT |
632 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
633 | ||
634 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ | |
1da177e4 | 635 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 636 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 637 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 638 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 639 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 640 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 641 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 642 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 643 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 644 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 645 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 646 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 647 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 648 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 649 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 650 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 LT |
651 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
652 | ||
653 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ | |
1da177e4 | 654 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 655 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 656 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 657 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 658 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 659 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 660 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 661 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 662 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 663 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 664 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 665 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 666 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 667 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 668 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 669 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
4553e88d | 670 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
1da177e4 | 671 | |
7a090b04 XL |
672 | #define TYPE_SCTP_PRIMITIVE_RECONF { \ |
673 | /* SCTP_STATE_CLOSED */ \ | |
674 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
675 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
676 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
677 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
678 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
679 | /* SCTP_STATE_ESTABLISHED */ \ | |
680 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
681 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
682 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
683 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
684 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
685 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
686 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
687 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
688 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ | |
689 | } /* TYPE_SCTP_PRIMITIVE_RECONF */ | |
690 | ||
1da177e4 LT |
691 | /* The primary index for this table is the primitive type. |
692 | * The secondary index for this table is the state. | |
693 | */ | |
694 | static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { | |
695 | TYPE_SCTP_PRIMITIVE_ASSOCIATE, | |
696 | TYPE_SCTP_PRIMITIVE_SHUTDOWN, | |
697 | TYPE_SCTP_PRIMITIVE_ABORT, | |
698 | TYPE_SCTP_PRIMITIVE_SEND, | |
699 | TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT, | |
700 | TYPE_SCTP_PRIMITIVE_ASCONF, | |
7a090b04 | 701 | TYPE_SCTP_PRIMITIVE_RECONF, |
1da177e4 LT |
702 | }; |
703 | ||
704 | #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ | |
1da177e4 | 705 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 706 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 707 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 708 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 709 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 710 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 711 | /* SCTP_STATE_ESTABLISHED */ \ |
e1cdd553 | 712 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
1da177e4 | 713 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 714 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
1da177e4 | 715 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 716 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 717 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 718 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 719 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 720 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
721 | } |
722 | ||
723 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ | |
1da177e4 | 724 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 725 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 726 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 727 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
1da177e4 | 728 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 729 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 730 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 731 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 732 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 733 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 734 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 735 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 736 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 737 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 738 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 739 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
740 | } |
741 | ||
742 | static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { | |
743 | TYPE_SCTP_OTHER_NO_PENDING_TSN, | |
744 | TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, | |
745 | }; | |
746 | ||
747 | #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ | |
1da177e4 | 748 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 749 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 750 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 751 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 752 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 753 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 754 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 755 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 756 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 757 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 758 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 759 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 760 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 761 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 762 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 763 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 LT |
764 | } |
765 | ||
766 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ | |
1da177e4 | 767 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 768 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 769 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 770 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 771 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 772 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
1da177e4 | 773 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 774 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 775 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 776 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 777 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 778 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 779 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 780 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 781 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 782 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
783 | } |
784 | ||
785 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ | |
1da177e4 | 786 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 787 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 788 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 789 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
1da177e4 | 790 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 791 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 792 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 793 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 794 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 795 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 796 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 797 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 798 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 799 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 800 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 801 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
802 | } |
803 | ||
804 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ | |
1da177e4 | 805 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 806 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 807 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 808 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 809 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 810 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 811 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 812 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 813 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 814 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 815 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 816 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 | 817 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 818 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 819 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 820 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 LT |
821 | } |
822 | ||
823 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ | |
1da177e4 | 824 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 825 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 826 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 827 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 828 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 829 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 830 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 831 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 832 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 833 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 834 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 835 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 836 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 837 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 838 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 839 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
840 | } |
841 | ||
842 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ | |
1da177e4 | 843 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 844 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 845 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 846 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 847 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 848 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 849 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 850 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
1da177e4 | 851 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 852 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 853 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 854 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 855 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 856 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 857 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 858 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
859 | } |
860 | ||
861 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ | |
1da177e4 | 862 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 863 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 864 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 865 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 866 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 867 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 868 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 869 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 870 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
f8d96052 | 871 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 872 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 873 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 874 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 875 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 876 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 877 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
878 | } |
879 | ||
880 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ | |
1da177e4 | 881 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 882 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 883 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 884 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 885 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 886 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 887 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 888 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 889 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 890 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 891 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 892 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 893 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 894 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 895 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 896 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
897 | } |
898 | ||
899 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ | |
1da177e4 | 900 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 901 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 902 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 903 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 904 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 905 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 906 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 907 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 908 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 909 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 910 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 911 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 912 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 913 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 914 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 915 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
916 | } |
917 | ||
918 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ | |
1da177e4 | 919 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 920 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 921 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 922 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 923 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 924 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 925 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 926 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
1da177e4 | 927 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 928 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 929 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 930 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 931 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 932 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 933 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 934 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
935 | } |
936 | ||
7b9438de XL |
937 | #define TYPE_SCTP_EVENT_TIMEOUT_RECONF { \ |
938 | /* SCTP_STATE_CLOSED */ \ | |
939 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
940 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
941 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
942 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
943 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
944 | /* SCTP_STATE_ESTABLISHED */ \ | |
945 | TYPE_SCTP_FUNC(sctp_sf_send_reconf), \ | |
946 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
947 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
948 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
949 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
950 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
951 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
952 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
953 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
954 | } | |
955 | ||
1da177e4 LT |
956 | static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { |
957 | TYPE_SCTP_EVENT_TIMEOUT_NONE, | |
958 | TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE, | |
959 | TYPE_SCTP_EVENT_TIMEOUT_T1_INIT, | |
960 | TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN, | |
961 | TYPE_SCTP_EVENT_TIMEOUT_T3_RTX, | |
962 | TYPE_SCTP_EVENT_TIMEOUT_T4_RTO, | |
963 | TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, | |
964 | TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT, | |
7b9438de | 965 | TYPE_SCTP_EVENT_TIMEOUT_RECONF, |
1da177e4 LT |
966 | TYPE_SCTP_EVENT_TIMEOUT_SACK, |
967 | TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, | |
968 | }; | |
969 | ||
55e26eb9 | 970 | static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net, |
6d85e68f | 971 | enum sctp_cid cid, |
1da177e4 LT |
972 | sctp_state_t state) |
973 | { | |
974 | if (state > SCTP_STATE_MAX) | |
975 | return &bug; | |
976 | ||
75202e76 | 977 | if (cid <= SCTP_CID_BASE_MAX) |
1da177e4 LT |
978 | return &chunk_event_table[cid][state]; |
979 | ||
e1fc3b14 | 980 | if (net->sctp.prsctp_enable) { |
1da177e4 LT |
981 | if (cid == SCTP_CID_FWD_TSN) |
982 | return &prsctp_chunk_event_table[0][state]; | |
983 | } | |
984 | ||
e1fc3b14 | 985 | if (net->sctp.addip_enable) { |
1da177e4 LT |
986 | if (cid == SCTP_CID_ASCONF) |
987 | return &addip_chunk_event_table[0][state]; | |
988 | ||
989 | if (cid == SCTP_CID_ASCONF_ACK) | |
990 | return &addip_chunk_event_table[1][state]; | |
991 | } | |
992 | ||
d884aa63 XL |
993 | if (net->sctp.reconf_enable) |
994 | if (cid == SCTP_CID_RECONF) | |
995 | return &reconf_chunk_event_table[0][state]; | |
996 | ||
e1fc3b14 | 997 | if (net->sctp.auth_enable) { |
bbd0d598 VY |
998 | if (cid == SCTP_CID_AUTH) |
999 | return &auth_chunk_event_table[0][state]; | |
1000 | } | |
1001 | ||
1da177e4 LT |
1002 | return &chunk_event_table_unknown[state]; |
1003 | } |