| 1 | /* SCTP kernel implementation |
| 2 | * (C) Copyright IBM Corp. 2001, 2004 |
| 3 | * Copyright (c) 1999-2000 Cisco, Inc. |
| 4 | * Copyright (c) 1999-2001 Motorola, Inc. |
| 5 | * Copyright (c) 2001 Intel Corp. |
| 6 | * Copyright (c) 2001 Nokia, Inc. |
| 7 | * |
| 8 | * This file is part of the SCTP kernel implementation |
| 9 | * |
| 10 | * These are the state tables for the SCTP state machine. |
| 11 | * |
| 12 | * This SCTP implementation is free software; |
| 13 | * you can redistribute it and/or modify it under the terms of |
| 14 | * the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2, or (at your option) |
| 16 | * any later version. |
| 17 | * |
| 18 | * This SCTP implementation is distributed in the hope that it |
| 19 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 20 | * ************************ |
| 21 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 22 | * See the GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with GNU CC; see the file COPYING. If not, see |
| 26 | * <http://www.gnu.org/licenses/>. |
| 27 | * |
| 28 | * Please send any bug reports or fixes you make to the |
| 29 | * email address(es): |
| 30 | * lksctp developers <linux-sctp@vger.kernel.org> |
| 31 | * |
| 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> |
| 40 | */ |
| 41 | |
| 42 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 43 | |
| 44 | #include <linux/skbuff.h> |
| 45 | #include <net/sctp/sctp.h> |
| 46 | #include <net/sctp/sm.h> |
| 47 | |
| 48 | static const struct sctp_sm_table_entry |
| 49 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; |
| 50 | static const struct sctp_sm_table_entry |
| 51 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; |
| 52 | static const struct sctp_sm_table_entry |
| 53 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; |
| 54 | |
| 55 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
| 56 | struct net *net, |
| 57 | enum sctp_cid cid, |
| 58 | enum sctp_state state); |
| 59 | |
| 60 | |
| 61 | static const struct sctp_sm_table_entry bug = { |
| 62 | .fn = sctp_sf_bug, |
| 63 | .name = "sctp_sf_bug" |
| 64 | }; |
| 65 | |
| 66 | #define DO_LOOKUP(_max, _type, _table) \ |
| 67 | ({ \ |
| 68 | const struct sctp_sm_table_entry *rtn; \ |
| 69 | \ |
| 70 | if ((event_subtype._type > (_max))) { \ |
| 71 | pr_warn("table %p possible attack: event %d exceeds max %d\n", \ |
| 72 | _table, event_subtype._type, _max); \ |
| 73 | rtn = &bug; \ |
| 74 | } else \ |
| 75 | rtn = &_table[event_subtype._type][(int)state]; \ |
| 76 | \ |
| 77 | rtn; \ |
| 78 | }) |
| 79 | |
| 80 | const struct sctp_sm_table_entry *sctp_sm_lookup_event( |
| 81 | struct net *net, |
| 82 | enum sctp_event event_type, |
| 83 | enum sctp_state state, |
| 84 | union sctp_subtype event_subtype) |
| 85 | { |
| 86 | switch (event_type) { |
| 87 | case SCTP_EVENT_T_CHUNK: |
| 88 | return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
| 89 | case SCTP_EVENT_T_TIMEOUT: |
| 90 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
| 91 | timeout_event_table); |
| 92 | case SCTP_EVENT_T_OTHER: |
| 93 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
| 94 | other_event_table); |
| 95 | case SCTP_EVENT_T_PRIMITIVE: |
| 96 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
| 97 | primitive_event_table); |
| 98 | default: |
| 99 | /* Yikes! We got an illegal event type. */ |
| 100 | return &bug; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
| 105 | |
| 106 | #define TYPE_SCTP_DATA { \ |
| 107 | /* SCTP_STATE_CLOSED */ \ |
| 108 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 109 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 110 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 111 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 112 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 113 | /* SCTP_STATE_ESTABLISHED */ \ |
| 114 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
| 115 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 116 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
| 117 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 118 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
| 119 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 120 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 121 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 122 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 123 | } /* TYPE_SCTP_DATA */ |
| 124 | |
| 125 | #define TYPE_SCTP_INIT { \ |
| 126 | /* SCTP_STATE_CLOSED */ \ |
| 127 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
| 128 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 129 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
| 130 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 131 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
| 132 | /* SCTP_STATE_ESTABLISHED */ \ |
| 133 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
| 134 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 135 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
| 136 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 137 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
| 138 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 139 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
| 140 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 141 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
| 142 | } /* TYPE_SCTP_INIT */ |
| 143 | |
| 144 | #define TYPE_SCTP_INIT_ACK { \ |
| 145 | /* SCTP_STATE_CLOSED */ \ |
| 146 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
| 147 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 148 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
| 149 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 150 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 151 | /* SCTP_STATE_ESTABLISHED */ \ |
| 152 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 153 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 154 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 155 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 156 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 157 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 158 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 159 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 160 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 161 | } /* TYPE_SCTP_INIT_ACK */ |
| 162 | |
| 163 | #define TYPE_SCTP_SACK { \ |
| 164 | /* SCTP_STATE_CLOSED */ \ |
| 165 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 166 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 167 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 168 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 169 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
| 170 | /* SCTP_STATE_ESTABLISHED */ \ |
| 171 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
| 172 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 173 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
| 174 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 175 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 176 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 177 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
| 178 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 179 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 180 | } /* TYPE_SCTP_SACK */ |
| 181 | |
| 182 | #define TYPE_SCTP_HEARTBEAT { \ |
| 183 | /* SCTP_STATE_CLOSED */ \ |
| 184 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 185 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 186 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 187 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 188 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 189 | /* SCTP_STATE_ESTABLISHED */ \ |
| 190 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 191 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 192 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 193 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 194 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 195 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 196 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 197 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 198 | /* This should not happen, but we are nice. */ \ |
| 199 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
| 200 | } /* TYPE_SCTP_HEARTBEAT */ |
| 201 | |
| 202 | #define TYPE_SCTP_HEARTBEAT_ACK { \ |
| 203 | /* SCTP_STATE_CLOSED */ \ |
| 204 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 205 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 206 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
| 207 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 208 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 209 | /* SCTP_STATE_ESTABLISHED */ \ |
| 210 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
| 211 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 212 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
| 213 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 214 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
| 215 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 216 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
| 217 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 218 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 219 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
| 220 | |
| 221 | #define TYPE_SCTP_ABORT { \ |
| 222 | /* SCTP_STATE_CLOSED */ \ |
| 223 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
| 224 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 225 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
| 226 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 227 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
| 228 | /* SCTP_STATE_ESTABLISHED */ \ |
| 229 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
| 230 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 231 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
| 232 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 233 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
| 234 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 235 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
| 236 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 237 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
| 238 | } /* TYPE_SCTP_ABORT */ |
| 239 | |
| 240 | #define TYPE_SCTP_SHUTDOWN { \ |
| 241 | /* SCTP_STATE_CLOSED */ \ |
| 242 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 243 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 244 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 245 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 246 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 247 | /* SCTP_STATE_ESTABLISHED */ \ |
| 248 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
| 249 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 250 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
| 251 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 252 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
| 253 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 254 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
| 255 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 256 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 257 | } /* TYPE_SCTP_SHUTDOWN */ |
| 258 | |
| 259 | #define TYPE_SCTP_SHUTDOWN_ACK { \ |
| 260 | /* SCTP_STATE_CLOSED */ \ |
| 261 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 262 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 263 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
| 264 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 265 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
| 266 | /* SCTP_STATE_ESTABLISHED */ \ |
| 267 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
| 268 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 269 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
| 270 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 271 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
| 272 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 273 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
| 274 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 275 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
| 276 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
| 277 | |
| 278 | #define TYPE_SCTP_ERROR { \ |
| 279 | /* SCTP_STATE_CLOSED */ \ |
| 280 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 281 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 282 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 283 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 284 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
| 285 | /* SCTP_STATE_ESTABLISHED */ \ |
| 286 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
| 287 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 288 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
| 289 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 290 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 291 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 292 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
| 293 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 294 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 295 | } /* TYPE_SCTP_ERROR */ |
| 296 | |
| 297 | #define TYPE_SCTP_COOKIE_ECHO { \ |
| 298 | /* SCTP_STATE_CLOSED */ \ |
| 299 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
| 300 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 301 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 302 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 303 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 304 | /* SCTP_STATE_ESTABLISHED */ \ |
| 305 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 306 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 307 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 308 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 309 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 310 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 311 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 312 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 313 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
| 314 | } /* TYPE_SCTP_COOKIE_ECHO */ |
| 315 | |
| 316 | #define TYPE_SCTP_COOKIE_ACK { \ |
| 317 | /* SCTP_STATE_CLOSED */ \ |
| 318 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 319 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 320 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 321 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 322 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
| 323 | /* SCTP_STATE_ESTABLISHED */ \ |
| 324 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 325 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 326 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 327 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 328 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 329 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 330 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 331 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 332 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 333 | } /* TYPE_SCTP_COOKIE_ACK */ |
| 334 | |
| 335 | #define TYPE_SCTP_ECN_ECNE { \ |
| 336 | /* SCTP_STATE_CLOSED */ \ |
| 337 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 338 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 339 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 340 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 341 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
| 342 | /* SCTP_STATE_ESTABLISHED */ \ |
| 343 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
| 344 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 345 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
| 346 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 347 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
| 348 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 349 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
| 350 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 351 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 352 | } /* TYPE_SCTP_ECN_ECNE */ |
| 353 | |
| 354 | #define TYPE_SCTP_ECN_CWR { \ |
| 355 | /* SCTP_STATE_CLOSED */ \ |
| 356 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 357 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 358 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 359 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 360 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 361 | /* SCTP_STATE_ESTABLISHED */ \ |
| 362 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
| 363 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 364 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
| 365 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 366 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
| 367 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 368 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 369 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 370 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 371 | } /* TYPE_SCTP_ECN_CWR */ |
| 372 | |
| 373 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ |
| 374 | /* SCTP_STATE_CLOSED */ \ |
| 375 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 376 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 377 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 378 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 379 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 380 | /* SCTP_STATE_ESTABLISHED */ \ |
| 381 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 382 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 383 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 384 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 385 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 386 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 387 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 388 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 389 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
| 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 | */ |
| 397 | static const struct sctp_sm_table_entry |
| 398 | chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
| 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 { \ |
| 417 | /* SCTP_STATE_CLOSED */ \ |
| 418 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 419 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 420 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 421 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 422 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 423 | /* SCTP_STATE_ESTABLISHED */ \ |
| 424 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
| 425 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 426 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
| 427 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 428 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
| 429 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 430 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
| 431 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 432 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 433 | } /* TYPE_SCTP_ASCONF */ |
| 434 | |
| 435 | #define TYPE_SCTP_ASCONF_ACK { \ |
| 436 | /* SCTP_STATE_CLOSED */ \ |
| 437 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 438 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 439 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 440 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 441 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 442 | /* SCTP_STATE_ESTABLISHED */ \ |
| 443 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
| 444 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 445 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
| 446 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 447 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
| 448 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 449 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
| 450 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 451 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 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 | */ |
| 457 | static const struct sctp_sm_table_entry |
| 458 | addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
| 459 | TYPE_SCTP_ASCONF, |
| 460 | TYPE_SCTP_ASCONF_ACK, |
| 461 | }; /*state_fn_t addip_chunk_event_table[][] */ |
| 462 | |
| 463 | #define TYPE_SCTP_FWD_TSN { \ |
| 464 | /* SCTP_STATE_CLOSED */ \ |
| 465 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
| 466 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 467 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 468 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 469 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 470 | /* SCTP_STATE_ESTABLISHED */ \ |
| 471 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
| 472 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 473 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
| 474 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 475 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
| 476 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 477 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 478 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 479 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
| 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 | */ |
| 485 | static const struct sctp_sm_table_entry |
| 486 | prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
| 487 | TYPE_SCTP_FWD_TSN, |
| 488 | }; /*state_fn_t prsctp_chunk_event_table[][] */ |
| 489 | |
| 490 | #define TYPE_SCTP_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 | */ |
| 512 | static const struct sctp_sm_table_entry |
| 513 | reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
| 514 | TYPE_SCTP_RECONF, |
| 515 | }; /*state_fn_t reconf_chunk_event_table[][] */ |
| 516 | |
| 517 | #define TYPE_SCTP_AUTH { \ |
| 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 | */ |
| 539 | static const struct sctp_sm_table_entry |
| 540 | auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
| 541 | TYPE_SCTP_AUTH, |
| 542 | }; /*state_fn_t auth_chunk_event_table[][] */ |
| 543 | |
| 544 | static const struct sctp_sm_table_entry |
| 545 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { |
| 546 | /* SCTP_STATE_CLOSED */ |
| 547 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
| 548 | /* SCTP_STATE_COOKIE_WAIT */ |
| 549 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 550 | /* SCTP_STATE_COOKIE_ECHOED */ |
| 551 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 552 | /* SCTP_STATE_ESTABLISHED */ |
| 553 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 554 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
| 555 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 556 | /* SCTP_STATE_SHUTDOWN_SENT */ |
| 557 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 558 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
| 559 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 560 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
| 561 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
| 562 | }; /* chunk unknown */ |
| 563 | |
| 564 | |
| 565 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ |
| 566 | /* SCTP_STATE_CLOSED */ \ |
| 567 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
| 568 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 569 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 570 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 571 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 572 | /* SCTP_STATE_ESTABLISHED */ \ |
| 573 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 574 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 575 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 576 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 577 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 578 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 579 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 580 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 581 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
| 582 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
| 583 | |
| 584 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ |
| 585 | /* SCTP_STATE_CLOSED */ \ |
| 586 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 587 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 588 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
| 589 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 590 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
| 591 | /* SCTP_STATE_ESTABLISHED */ \ |
| 592 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
| 593 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 594 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
| 595 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 596 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
| 597 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 598 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
| 599 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 600 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
| 601 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
| 602 | |
| 603 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ |
| 604 | /* SCTP_STATE_CLOSED */ \ |
| 605 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 606 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 607 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
| 608 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 609 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
| 610 | /* SCTP_STATE_ESTABLISHED */ \ |
| 611 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
| 612 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 613 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
| 614 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 615 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
| 616 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 617 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
| 618 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 619 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
| 620 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
| 621 | |
| 622 | #define TYPE_SCTP_PRIMITIVE_SEND { \ |
| 623 | /* SCTP_STATE_CLOSED */ \ |
| 624 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 625 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 626 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
| 627 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 628 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
| 629 | /* SCTP_STATE_ESTABLISHED */ \ |
| 630 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
| 631 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 632 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
| 633 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 634 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
| 635 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 636 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
| 637 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 638 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
| 639 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
| 640 | |
| 641 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ |
| 642 | /* SCTP_STATE_CLOSED */ \ |
| 643 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 644 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 645 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 646 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 647 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 648 | /* SCTP_STATE_ESTABLISHED */ \ |
| 649 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 650 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 651 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 652 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 653 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 654 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 655 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 656 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 657 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
| 658 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
| 659 | |
| 660 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ |
| 661 | /* SCTP_STATE_CLOSED */ \ |
| 662 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 663 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 664 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 665 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 666 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
| 667 | /* SCTP_STATE_ESTABLISHED */ \ |
| 668 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
| 669 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 670 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
| 671 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 672 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
| 673 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 674 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
| 675 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 676 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
| 677 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
| 678 | |
| 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 | |
| 698 | /* The primary index for this table is the primitive type. |
| 699 | * The secondary index for this table is the state. |
| 700 | */ |
| 701 | static const struct sctp_sm_table_entry |
| 702 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { |
| 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, |
| 709 | TYPE_SCTP_PRIMITIVE_RECONF, |
| 710 | }; |
| 711 | |
| 712 | #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ |
| 713 | /* SCTP_STATE_CLOSED */ \ |
| 714 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 715 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 716 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 717 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 718 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 719 | /* SCTP_STATE_ESTABLISHED */ \ |
| 720 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
| 721 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 722 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
| 723 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 724 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 725 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 726 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
| 727 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 728 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 729 | } |
| 730 | |
| 731 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ |
| 732 | /* SCTP_STATE_CLOSED */ \ |
| 733 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 734 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 735 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
| 736 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 737 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 738 | /* SCTP_STATE_ESTABLISHED */ \ |
| 739 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 740 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 741 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 742 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 743 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 744 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 745 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 746 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 747 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
| 748 | } |
| 749 | |
| 750 | static const struct sctp_sm_table_entry |
| 751 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { |
| 752 | TYPE_SCTP_OTHER_NO_PENDING_TSN, |
| 753 | TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, |
| 754 | }; |
| 755 | |
| 756 | #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ |
| 757 | /* SCTP_STATE_CLOSED */ \ |
| 758 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 759 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 760 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 761 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 762 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 763 | /* SCTP_STATE_ESTABLISHED */ \ |
| 764 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 765 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 766 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 767 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 768 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 769 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 770 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 771 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 772 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 773 | } |
| 774 | |
| 775 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ |
| 776 | /* SCTP_STATE_CLOSED */ \ |
| 777 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 778 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 779 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
| 780 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 781 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
| 782 | /* SCTP_STATE_ESTABLISHED */ \ |
| 783 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 784 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 785 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 786 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 787 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 788 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 789 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 790 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 791 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 792 | } |
| 793 | |
| 794 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ |
| 795 | /* SCTP_STATE_CLOSED */ \ |
| 796 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 797 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 798 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
| 799 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 800 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 801 | /* SCTP_STATE_ESTABLISHED */ \ |
| 802 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 803 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 804 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 805 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 806 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 807 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 808 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 809 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 810 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 811 | } |
| 812 | |
| 813 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ |
| 814 | /* SCTP_STATE_CLOSED */ \ |
| 815 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 816 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 817 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 818 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 819 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 820 | /* SCTP_STATE_ESTABLISHED */ \ |
| 821 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 822 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 823 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 824 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 825 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
| 826 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 827 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 828 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 829 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
| 830 | } |
| 831 | |
| 832 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ |
| 833 | /* SCTP_STATE_CLOSED */ \ |
| 834 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 835 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 836 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 837 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 838 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
| 839 | /* SCTP_STATE_ESTABLISHED */ \ |
| 840 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
| 841 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 842 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
| 843 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 844 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 845 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 846 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
| 847 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 848 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 849 | } |
| 850 | |
| 851 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ |
| 852 | /* SCTP_STATE_CLOSED */ \ |
| 853 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 854 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 855 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 856 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 857 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 858 | /* SCTP_STATE_ESTABLISHED */ \ |
| 859 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
| 860 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 861 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 862 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 863 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 864 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 865 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 866 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 867 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 868 | } |
| 869 | |
| 870 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ |
| 871 | /* SCTP_STATE_CLOSED */ \ |
| 872 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 873 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 874 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 875 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 876 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 877 | /* SCTP_STATE_ESTABLISHED */ \ |
| 878 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 879 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 880 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
| 881 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 882 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
| 883 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 884 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 885 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 886 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 887 | } |
| 888 | |
| 889 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ |
| 890 | /* SCTP_STATE_CLOSED */ \ |
| 891 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 892 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 893 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 894 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 895 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 896 | /* SCTP_STATE_ESTABLISHED */ \ |
| 897 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
| 898 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 899 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
| 900 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 901 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 902 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 903 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
| 904 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 905 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 906 | } |
| 907 | |
| 908 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ |
| 909 | /* SCTP_STATE_CLOSED */ \ |
| 910 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 911 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 912 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 913 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 914 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 915 | /* SCTP_STATE_ESTABLISHED */ \ |
| 916 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
| 917 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 918 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
| 919 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 920 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
| 921 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 922 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 923 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 924 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 925 | } |
| 926 | |
| 927 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ |
| 928 | /* SCTP_STATE_CLOSED */ \ |
| 929 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 930 | /* SCTP_STATE_COOKIE_WAIT */ \ |
| 931 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 932 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
| 933 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 934 | /* SCTP_STATE_ESTABLISHED */ \ |
| 935 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
| 936 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
| 937 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 938 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
| 939 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 940 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
| 941 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 942 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
| 943 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
| 944 | } |
| 945 | |
| 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 | |
| 965 | static const struct sctp_sm_table_entry |
| 966 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { |
| 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, |
| 975 | TYPE_SCTP_EVENT_TIMEOUT_RECONF, |
| 976 | TYPE_SCTP_EVENT_TIMEOUT_SACK, |
| 977 | TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, |
| 978 | }; |
| 979 | |
| 980 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
| 981 | struct net *net, |
| 982 | enum sctp_cid cid, |
| 983 | enum sctp_state state) |
| 984 | { |
| 985 | if (state > SCTP_STATE_MAX) |
| 986 | return &bug; |
| 987 | |
| 988 | if (cid <= SCTP_CID_BASE_MAX) |
| 989 | return &chunk_event_table[cid][state]; |
| 990 | |
| 991 | if (net->sctp.prsctp_enable) { |
| 992 | if (cid == SCTP_CID_FWD_TSN) |
| 993 | return &prsctp_chunk_event_table[0][state]; |
| 994 | } |
| 995 | |
| 996 | if (net->sctp.addip_enable) { |
| 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 | |
| 1004 | if (net->sctp.reconf_enable) |
| 1005 | if (cid == SCTP_CID_RECONF) |
| 1006 | return &reconf_chunk_event_table[0][state]; |
| 1007 | |
| 1008 | if (net->sctp.auth_enable) { |
| 1009 | if (cid == SCTP_CID_AUTH) |
| 1010 | return &auth_chunk_event_table[0][state]; |
| 1011 | } |
| 1012 | |
| 1013 | return &chunk_event_table_unknown[state]; |
| 1014 | } |