Commit | Line | Data |
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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 | ||
8ee821ae | 48 | static const struct sctp_sm_table_entry |
1da177e4 | 49 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; |
8ee821ae | 50 | static const struct sctp_sm_table_entry |
1da177e4 | 51 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; |
8ee821ae | 52 | static const struct sctp_sm_table_entry |
1da177e4 LT |
53 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; |
54 | ||
8ee821ae | 55 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
52106019 XL |
56 | struct net *net, |
57 | enum sctp_cid cid, | |
58 | enum sctp_state state); | |
1da177e4 LT |
59 | |
60 | ||
8ee821ae | 61 | static const struct sctp_sm_table_entry bug = { |
1da177e4 LT |
62 | .fn = sctp_sf_bug, |
63 | .name = "sctp_sf_bug" | |
64 | }; | |
65 | ||
145ce502 JP |
66 | #define DO_LOOKUP(_max, _type, _table) \ |
67 | ({ \ | |
8ee821ae | 68 | const struct sctp_sm_table_entry *rtn; \ |
145ce502 JP |
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); \ | |
f7010e61 | 73 | rtn = &bug; \ |
145ce502 JP |
74 | } else \ |
75 | rtn = &_table[event_subtype._type][(int)state]; \ | |
76 | \ | |
77 | rtn; \ | |
78 | }) | |
1da177e4 | 79 | |
8ee821ae | 80 | const struct sctp_sm_table_entry *sctp_sm_lookup_event( |
bfc6f827 XL |
81 | struct net *net, |
82 | enum sctp_event event_type, | |
83 | enum sctp_state state, | |
84 | union sctp_subtype event_subtype) | |
1da177e4 LT |
85 | { |
86 | switch (event_type) { | |
87 | case SCTP_EVENT_T_CHUNK: | |
55e26eb9 | 88 | return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
1da177e4 | 89 | case SCTP_EVENT_T_TIMEOUT: |
145ce502 JP |
90 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
91 | timeout_event_table); | |
1da177e4 | 92 | case SCTP_EVENT_T_OTHER: |
145ce502 JP |
93 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
94 | other_event_table); | |
1da177e4 | 95 | case SCTP_EVENT_T_PRIMITIVE: |
145ce502 JP |
96 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
97 | primitive_event_table); | |
1da177e4 LT |
98 | default: |
99 | /* Yikes! We got an illegal event type. */ | |
100 | return &bug; | |
3ff50b79 | 101 | } |
1da177e4 LT |
102 | } |
103 | ||
1ed176a8 PZ |
104 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
105 | ||
1da177e4 | 106 | #define TYPE_SCTP_DATA { \ |
1da177e4 | 107 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 108 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 109 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 110 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 111 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 112 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 113 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 114 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 115 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 116 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 117 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 118 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
1da177e4 | 119 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 120 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 121 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 122 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
123 | } /* TYPE_SCTP_DATA */ |
124 | ||
125 | #define TYPE_SCTP_INIT { \ | |
1da177e4 | 126 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 127 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
1da177e4 | 128 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 129 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 130 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 131 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 132 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 133 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 134 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 135 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 136 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 137 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 138 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 139 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 140 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 141 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
1da177e4 LT |
142 | } /* TYPE_SCTP_INIT */ |
143 | ||
144 | #define TYPE_SCTP_INIT_ACK { \ | |
1da177e4 | 145 | /* SCTP_STATE_CLOSED */ \ |
610ab73a | 146 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
1da177e4 | 147 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 148 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
1da177e4 | 149 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 150 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 151 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 152 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 153 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 154 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 155 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 156 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 157 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 158 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 159 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 160 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
161 | } /* TYPE_SCTP_INIT_ACK */ |
162 | ||
163 | #define TYPE_SCTP_SACK { \ | |
1da177e4 | 164 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 165 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 166 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 167 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 168 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 169 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 170 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 171 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 172 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 173 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 174 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 175 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 176 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 177 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 178 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 179 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
180 | } /* TYPE_SCTP_SACK */ |
181 | ||
182 | #define TYPE_SCTP_HEARTBEAT { \ | |
1da177e4 | 183 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 184 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 185 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 186 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 187 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 188 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 189 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 190 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 191 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 192 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 193 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 194 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 195 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 196 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
197 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
198 | /* This should not happen, but we are nice. */ \ | |
1ed176a8 | 199 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
200 | } /* TYPE_SCTP_HEARTBEAT */ |
201 | ||
202 | #define TYPE_SCTP_HEARTBEAT_ACK { \ | |
1da177e4 | 203 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 204 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 205 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 206 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 207 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 208 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 209 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 210 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 211 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 212 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 213 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 214 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 215 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 216 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 217 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 218 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
219 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
220 | ||
221 | #define TYPE_SCTP_ABORT { \ | |
1da177e4 | 222 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 223 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
1da177e4 | 224 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 225 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
1da177e4 | 226 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 227 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
1da177e4 | 228 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 229 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 230 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 231 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
1da177e4 | 232 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 233 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
1da177e4 | 234 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 235 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 236 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 237 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
1da177e4 LT |
238 | } /* TYPE_SCTP_ABORT */ |
239 | ||
240 | #define TYPE_SCTP_SHUTDOWN { \ | |
1da177e4 | 241 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 242 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 243 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 244 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 245 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 246 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 247 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 248 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 249 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
cf896d51 | 250 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 251 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 252 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 253 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
2e3f92da | 254 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
1da177e4 | 255 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 256 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
257 | } /* TYPE_SCTP_SHUTDOWN */ |
258 | ||
259 | #define TYPE_SCTP_SHUTDOWN_ACK { \ | |
1da177e4 | 260 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 261 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 262 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 263 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 264 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 265 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 266 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 267 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 268 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 269 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 270 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 271 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 | 272 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 273 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 274 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 275 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 LT |
276 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
277 | ||
278 | #define TYPE_SCTP_ERROR { \ | |
1da177e4 | 279 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 280 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 281 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 282 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 283 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 284 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
1da177e4 | 285 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 286 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 287 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 288 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 289 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 290 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 291 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 292 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 293 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 294 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
295 | } /* TYPE_SCTP_ERROR */ |
296 | ||
297 | #define TYPE_SCTP_COOKIE_ECHO { \ | |
1da177e4 | 298 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 299 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
1da177e4 | 300 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 301 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 302 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 303 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 304 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 305 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 306 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 307 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 308 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 309 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 310 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 311 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 312 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 313 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 LT |
314 | } /* TYPE_SCTP_COOKIE_ECHO */ |
315 | ||
316 | #define TYPE_SCTP_COOKIE_ACK { \ | |
1da177e4 | 317 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 318 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 319 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 320 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 321 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 322 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
1da177e4 | 323 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 324 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 325 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 326 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 327 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 328 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 329 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 330 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 331 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 332 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
333 | } /* TYPE_SCTP_COOKIE_ACK */ |
334 | ||
335 | #define TYPE_SCTP_ECN_ECNE { \ | |
1da177e4 | 336 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 337 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 338 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 339 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 340 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 341 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 342 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 343 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 344 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 345 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 346 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 347 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 348 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 349 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 350 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 351 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
352 | } /* TYPE_SCTP_ECN_ECNE */ |
353 | ||
354 | #define TYPE_SCTP_ECN_CWR { \ | |
1da177e4 | 355 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 356 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 357 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 358 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 359 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 360 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 361 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 362 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 363 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 364 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 365 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 366 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 367 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 368 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 369 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 370 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
371 | } /* TYPE_SCTP_ECN_CWR */ |
372 | ||
373 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ | |
1da177e4 | 374 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 375 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 376 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 377 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 378 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 379 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 380 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 381 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 382 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 383 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 384 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 385 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 386 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 387 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 388 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 389 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
1da177e4 LT |
390 | } /* TYPE_SCTP_SHUTDOWN_COMPLETE */ |
391 | ||
392 | /* The primary index for this table is the chunk type. | |
393 | * The secondary index for this table is the state. | |
394 | * | |
395 | * For base protocol (RFC 2960). | |
396 | */ | |
8ee821ae XL |
397 | static const struct sctp_sm_table_entry |
398 | chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
399 | TYPE_SCTP_DATA, |
400 | TYPE_SCTP_INIT, | |
401 | TYPE_SCTP_INIT_ACK, | |
402 | TYPE_SCTP_SACK, | |
403 | TYPE_SCTP_HEARTBEAT, | |
404 | TYPE_SCTP_HEARTBEAT_ACK, | |
405 | TYPE_SCTP_ABORT, | |
406 | TYPE_SCTP_SHUTDOWN, | |
407 | TYPE_SCTP_SHUTDOWN_ACK, | |
408 | TYPE_SCTP_ERROR, | |
409 | TYPE_SCTP_COOKIE_ECHO, | |
410 | TYPE_SCTP_COOKIE_ACK, | |
411 | TYPE_SCTP_ECN_ECNE, | |
412 | TYPE_SCTP_ECN_CWR, | |
413 | TYPE_SCTP_SHUTDOWN_COMPLETE, | |
414 | }; /* state_fn_t chunk_event_table[][] */ | |
415 | ||
416 | #define TYPE_SCTP_ASCONF { \ | |
1da177e4 | 417 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 418 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 419 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 420 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 421 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 422 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 423 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 424 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 425 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 426 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 427 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 428 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 429 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 430 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 431 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 432 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
433 | } /* TYPE_SCTP_ASCONF */ |
434 | ||
435 | #define TYPE_SCTP_ASCONF_ACK { \ | |
1da177e4 | 436 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 437 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 438 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 439 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 440 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 441 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 442 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 443 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 444 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 445 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 446 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 447 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 448 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 449 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 450 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 451 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
452 | } /* TYPE_SCTP_ASCONF_ACK */ |
453 | ||
454 | /* The primary index for this table is the chunk type. | |
455 | * The secondary index for this table is the state. | |
456 | */ | |
8ee821ae XL |
457 | static const struct sctp_sm_table_entry |
458 | addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
459 | TYPE_SCTP_ASCONF, |
460 | TYPE_SCTP_ASCONF_ACK, | |
461 | }; /*state_fn_t addip_chunk_event_table[][] */ | |
462 | ||
463 | #define TYPE_SCTP_FWD_TSN { \ | |
1da177e4 | 464 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 465 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 466 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 467 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 468 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 469 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 470 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 471 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 472 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 473 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 474 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 475 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
1da177e4 | 476 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 477 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 478 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 479 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
480 | } /* TYPE_SCTP_FWD_TSN */ |
481 | ||
482 | /* The primary index for this table is the chunk type. | |
483 | * The secondary index for this table is the state. | |
484 | */ | |
8ee821ae XL |
485 | static const struct sctp_sm_table_entry |
486 | prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
487 | TYPE_SCTP_FWD_TSN, |
488 | }; /*state_fn_t prsctp_chunk_event_table[][] */ | |
489 | ||
d884aa63 XL |
490 | #define TYPE_SCTP_RECONF { \ |
491 | /* SCTP_STATE_CLOSED */ \ | |
492 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
493 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
494 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
495 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
496 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
497 | /* SCTP_STATE_ESTABLISHED */ \ | |
498 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
499 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
500 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
501 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
502 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
503 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
504 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
505 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
506 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
507 | } /* TYPE_SCTP_RECONF */ | |
508 | ||
509 | /* The primary index for this table is the chunk type. | |
510 | * The secondary index for this table is the state. | |
511 | */ | |
8ee821ae XL |
512 | static const struct sctp_sm_table_entry |
513 | reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
d884aa63 XL |
514 | TYPE_SCTP_RECONF, |
515 | }; /*state_fn_t reconf_chunk_event_table[][] */ | |
516 | ||
bbd0d598 | 517 | #define TYPE_SCTP_AUTH { \ |
bbd0d598 VY |
518 | /* SCTP_STATE_CLOSED */ \ |
519 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ | |
520 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
521 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
522 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
523 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
524 | /* SCTP_STATE_ESTABLISHED */ \ | |
525 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
526 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
527 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
528 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
529 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
530 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
531 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
532 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
533 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
534 | } /* TYPE_SCTP_AUTH */ | |
535 | ||
536 | /* The primary index for this table is the chunk type. | |
537 | * The secondary index for this table is the state. | |
538 | */ | |
8ee821ae XL |
539 | static const struct sctp_sm_table_entry |
540 | auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
bbd0d598 VY |
541 | TYPE_SCTP_AUTH, |
542 | }; /*state_fn_t auth_chunk_event_table[][] */ | |
543 | ||
8ee821ae | 544 | static const struct sctp_sm_table_entry |
1da177e4 | 545 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { |
1da177e4 | 546 | /* SCTP_STATE_CLOSED */ |
ece25dfa | 547 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
1da177e4 | 548 | /* SCTP_STATE_COOKIE_WAIT */ |
1ed176a8 | 549 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 550 | /* SCTP_STATE_COOKIE_ECHOED */ |
1ed176a8 | 551 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 552 | /* SCTP_STATE_ESTABLISHED */ |
1ed176a8 | 553 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 554 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
1ed176a8 | 555 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 556 | /* SCTP_STATE_SHUTDOWN_SENT */ |
1ed176a8 | 557 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 558 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
1ed176a8 | 559 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 560 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
1ed176a8 | 561 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 LT |
562 | }; /* chunk unknown */ |
563 | ||
564 | ||
565 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ | |
1da177e4 | 566 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 567 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
1da177e4 | 568 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 569 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 570 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 571 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 572 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 573 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 574 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 575 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 576 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 577 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 578 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 579 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 580 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 581 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 LT |
582 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
583 | ||
584 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ | |
1da177e4 | 585 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 586 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 587 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 588 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
1da177e4 | 589 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 590 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
1da177e4 | 591 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 592 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
1da177e4 | 593 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 594 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 595 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 596 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 597 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 598 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 599 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 600 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 LT |
601 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
602 | ||
603 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ | |
1da177e4 | 604 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 605 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 606 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 607 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
1da177e4 | 608 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 609 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
1da177e4 | 610 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 611 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 612 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 613 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
1da177e4 | 614 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 615 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
1da177e4 | 616 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 617 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 618 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 619 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
1da177e4 LT |
620 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
621 | ||
622 | #define TYPE_SCTP_PRIMITIVE_SEND { \ | |
1da177e4 | 623 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 624 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 625 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 626 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 627 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 628 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 629 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 630 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 631 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 632 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 633 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 634 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 635 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 636 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 637 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 638 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 LT |
639 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
640 | ||
641 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ | |
1da177e4 | 642 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 643 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 644 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 645 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 646 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 647 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 648 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 649 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 650 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 651 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 652 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 653 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 654 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 655 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 656 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 657 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 LT |
658 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
659 | ||
660 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ | |
1da177e4 | 661 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 662 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 663 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 664 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 665 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 666 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 667 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 668 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 669 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 670 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 671 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 672 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 673 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 674 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 675 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 676 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
4553e88d | 677 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
1da177e4 | 678 | |
7a090b04 XL |
679 | #define TYPE_SCTP_PRIMITIVE_RECONF { \ |
680 | /* SCTP_STATE_CLOSED */ \ | |
681 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
682 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
683 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
684 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
685 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
686 | /* SCTP_STATE_ESTABLISHED */ \ | |
687 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
688 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
689 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
690 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
691 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
692 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
693 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
694 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
695 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ | |
696 | } /* TYPE_SCTP_PRIMITIVE_RECONF */ | |
697 | ||
1da177e4 LT |
698 | /* The primary index for this table is the primitive type. |
699 | * The secondary index for this table is the state. | |
700 | */ | |
8ee821ae XL |
701 | static const struct sctp_sm_table_entry |
702 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
703 | TYPE_SCTP_PRIMITIVE_ASSOCIATE, |
704 | TYPE_SCTP_PRIMITIVE_SHUTDOWN, | |
705 | TYPE_SCTP_PRIMITIVE_ABORT, | |
706 | TYPE_SCTP_PRIMITIVE_SEND, | |
707 | TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT, | |
708 | TYPE_SCTP_PRIMITIVE_ASCONF, | |
7a090b04 | 709 | TYPE_SCTP_PRIMITIVE_RECONF, |
1da177e4 LT |
710 | }; |
711 | ||
712 | #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ | |
1da177e4 | 713 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 714 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 715 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 716 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 717 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 718 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 719 | /* SCTP_STATE_ESTABLISHED */ \ |
e1cdd553 | 720 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
1da177e4 | 721 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 722 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
1da177e4 | 723 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 724 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 725 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 726 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 727 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 728 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
729 | } |
730 | ||
731 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ | |
1da177e4 | 732 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 733 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 734 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 735 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
1da177e4 | 736 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 737 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 738 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 739 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 740 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 741 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 742 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 743 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 744 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 745 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 746 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 747 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
748 | } |
749 | ||
8ee821ae XL |
750 | static const struct sctp_sm_table_entry |
751 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
752 | TYPE_SCTP_OTHER_NO_PENDING_TSN, |
753 | TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, | |
754 | }; | |
755 | ||
756 | #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ | |
1da177e4 | 757 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 758 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 759 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 760 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 761 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 762 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 763 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 764 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 765 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 766 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 767 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 768 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 769 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 770 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 771 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 772 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 LT |
773 | } |
774 | ||
775 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ | |
1da177e4 | 776 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 777 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 778 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 779 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 780 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 781 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
1da177e4 | 782 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 783 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 784 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 785 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 786 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 787 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 788 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 789 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 790 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 791 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
792 | } |
793 | ||
794 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ | |
1da177e4 | 795 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 796 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 797 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 798 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
1da177e4 | 799 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 800 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 801 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 802 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 803 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 804 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 805 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 806 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 807 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 808 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 809 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 810 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
811 | } |
812 | ||
813 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ | |
1da177e4 | 814 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 815 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 816 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 817 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 818 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 819 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 820 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 821 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 822 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 823 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 824 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 825 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 | 826 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 827 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 828 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 829 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 LT |
830 | } |
831 | ||
832 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ | |
1da177e4 | 833 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 834 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 835 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 836 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 837 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 838 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 839 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 840 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 841 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 842 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 843 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 844 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 845 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 846 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 847 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 848 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
849 | } |
850 | ||
851 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ | |
1da177e4 | 852 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 853 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 854 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 855 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 856 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 857 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 858 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 859 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
1da177e4 | 860 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 861 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 862 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 863 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 864 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 865 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 866 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 867 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
868 | } |
869 | ||
870 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ | |
1da177e4 | 871 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 872 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 873 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 874 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 875 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 876 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 877 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 878 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 879 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
f8d96052 | 880 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 881 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 882 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 883 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 884 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 885 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 886 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
887 | } |
888 | ||
889 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ | |
1da177e4 | 890 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 891 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 892 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 893 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 894 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 895 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 896 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 897 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 898 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 899 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 900 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 901 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 902 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 903 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 904 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 905 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
906 | } |
907 | ||
908 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ | |
1da177e4 | 909 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 910 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 911 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 912 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 913 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 914 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 915 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 916 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 917 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 918 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 919 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 920 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 921 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 922 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 923 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 924 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
925 | } |
926 | ||
927 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ | |
1da177e4 | 928 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 929 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 930 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 931 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 932 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 933 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 934 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 935 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
1da177e4 | 936 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 937 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 938 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 939 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 940 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 941 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 942 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 943 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
944 | } |
945 | ||
7b9438de XL |
946 | #define TYPE_SCTP_EVENT_TIMEOUT_RECONF { \ |
947 | /* SCTP_STATE_CLOSED */ \ | |
948 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
949 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
950 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
951 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
952 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
953 | /* SCTP_STATE_ESTABLISHED */ \ | |
954 | TYPE_SCTP_FUNC(sctp_sf_send_reconf), \ | |
955 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
956 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
957 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
958 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
959 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
960 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
961 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
962 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
963 | } | |
964 | ||
8ee821ae XL |
965 | static const struct sctp_sm_table_entry |
966 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
967 | TYPE_SCTP_EVENT_TIMEOUT_NONE, |
968 | TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE, | |
969 | TYPE_SCTP_EVENT_TIMEOUT_T1_INIT, | |
970 | TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN, | |
971 | TYPE_SCTP_EVENT_TIMEOUT_T3_RTX, | |
972 | TYPE_SCTP_EVENT_TIMEOUT_T4_RTO, | |
973 | TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, | |
974 | TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT, | |
7b9438de | 975 | TYPE_SCTP_EVENT_TIMEOUT_RECONF, |
1da177e4 LT |
976 | TYPE_SCTP_EVENT_TIMEOUT_SACK, |
977 | TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, | |
978 | }; | |
979 | ||
8ee821ae | 980 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
52106019 XL |
981 | struct net *net, |
982 | enum sctp_cid cid, | |
983 | enum sctp_state state) | |
1da177e4 LT |
984 | { |
985 | if (state > SCTP_STATE_MAX) | |
986 | return &bug; | |
987 | ||
75202e76 | 988 | if (cid <= SCTP_CID_BASE_MAX) |
1da177e4 LT |
989 | return &chunk_event_table[cid][state]; |
990 | ||
e1fc3b14 | 991 | if (net->sctp.prsctp_enable) { |
1da177e4 LT |
992 | if (cid == SCTP_CID_FWD_TSN) |
993 | return &prsctp_chunk_event_table[0][state]; | |
994 | } | |
995 | ||
e1fc3b14 | 996 | if (net->sctp.addip_enable) { |
1da177e4 LT |
997 | if (cid == SCTP_CID_ASCONF) |
998 | return &addip_chunk_event_table[0][state]; | |
999 | ||
1000 | if (cid == SCTP_CID_ASCONF_ACK) | |
1001 | return &addip_chunk_event_table[1][state]; | |
1002 | } | |
1003 | ||
d884aa63 XL |
1004 | if (net->sctp.reconf_enable) |
1005 | if (cid == SCTP_CID_RECONF) | |
1006 | return &reconf_chunk_event_table[0][state]; | |
1007 | ||
e1fc3b14 | 1008 | if (net->sctp.auth_enable) { |
bbd0d598 VY |
1009 | if (cid == SCTP_CID_AUTH) |
1010 | return &auth_chunk_event_table[0][state]; | |
1011 | } | |
1012 | ||
1da177e4 LT |
1013 | return &chunk_event_table_unknown[state]; |
1014 | } |