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47505b8b | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
60c778b2 | 2 | /* SCTP kernel implementation |
1da177e4 LT |
3 | * (C) Copyright IBM Corp. 2001, 2004 |
4 | * Copyright (c) 1999-2000 Cisco, Inc. | |
5 | * Copyright (c) 1999-2001 Motorola, Inc. | |
6 | * Copyright (c) 2001 Intel Corp. | |
7 | * Copyright (c) 2001 Nokia, Inc. | |
8 | * | |
60c778b2 | 9 | * This file is part of the SCTP kernel implementation |
1da177e4 LT |
10 | * |
11 | * These are the state tables for the SCTP state machine. | |
12 | * | |
1da177e4 LT |
13 | * Please send any bug reports or fixes you make to the |
14 | * email address(es): | |
91705c61 | 15 | * lksctp developers <linux-sctp@vger.kernel.org> |
1da177e4 | 16 | * |
1da177e4 LT |
17 | * Written or modified by: |
18 | * La Monte H.P. Yarroll <piggy@acm.org> | |
19 | * Karl Knutson <karl@athena.chicago.il.us> | |
20 | * Jon Grimm <jgrimm@us.ibm.com> | |
21 | * Hui Huang <hui.huang@nokia.com> | |
22 | * Daisy Chang <daisyc@us.ibm.com> | |
23 | * Ardelle Fan <ardelle.fan@intel.com> | |
24 | * Sridhar Samudrala <sri@us.ibm.com> | |
1da177e4 LT |
25 | */ |
26 | ||
145ce502 JP |
27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
28 | ||
1da177e4 LT |
29 | #include <linux/skbuff.h> |
30 | #include <net/sctp/sctp.h> | |
31 | #include <net/sctp/sm.h> | |
32 | ||
8ee821ae | 33 | static const struct sctp_sm_table_entry |
1da177e4 | 34 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; |
8ee821ae | 35 | static const struct sctp_sm_table_entry |
1da177e4 | 36 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; |
8ee821ae | 37 | static const struct sctp_sm_table_entry |
1da177e4 LT |
38 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; |
39 | ||
8ee821ae | 40 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
52106019 XL |
41 | struct net *net, |
42 | enum sctp_cid cid, | |
43 | enum sctp_state state); | |
1da177e4 LT |
44 | |
45 | ||
8ee821ae | 46 | static const struct sctp_sm_table_entry bug = { |
1da177e4 LT |
47 | .fn = sctp_sf_bug, |
48 | .name = "sctp_sf_bug" | |
49 | }; | |
50 | ||
145ce502 JP |
51 | #define DO_LOOKUP(_max, _type, _table) \ |
52 | ({ \ | |
8ee821ae | 53 | const struct sctp_sm_table_entry *rtn; \ |
145ce502 JP |
54 | \ |
55 | if ((event_subtype._type > (_max))) { \ | |
56 | pr_warn("table %p possible attack: event %d exceeds max %d\n", \ | |
57 | _table, event_subtype._type, _max); \ | |
f7010e61 | 58 | rtn = &bug; \ |
145ce502 JP |
59 | } else \ |
60 | rtn = &_table[event_subtype._type][(int)state]; \ | |
61 | \ | |
62 | rtn; \ | |
63 | }) | |
1da177e4 | 64 | |
8ee821ae | 65 | const struct sctp_sm_table_entry *sctp_sm_lookup_event( |
bfc6f827 | 66 | struct net *net, |
88ee48c1 | 67 | enum sctp_event_type event_type, |
bfc6f827 XL |
68 | enum sctp_state state, |
69 | union sctp_subtype event_subtype) | |
1da177e4 LT |
70 | { |
71 | switch (event_type) { | |
72 | case SCTP_EVENT_T_CHUNK: | |
55e26eb9 | 73 | return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
1da177e4 | 74 | case SCTP_EVENT_T_TIMEOUT: |
145ce502 JP |
75 | return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
76 | timeout_event_table); | |
1da177e4 | 77 | case SCTP_EVENT_T_OTHER: |
145ce502 JP |
78 | return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
79 | other_event_table); | |
1da177e4 | 80 | case SCTP_EVENT_T_PRIMITIVE: |
145ce502 JP |
81 | return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
82 | primitive_event_table); | |
1da177e4 LT |
83 | default: |
84 | /* Yikes! We got an illegal event type. */ | |
85 | return &bug; | |
3ff50b79 | 86 | } |
1da177e4 LT |
87 | } |
88 | ||
1ed176a8 PZ |
89 | #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
90 | ||
1da177e4 | 91 | #define TYPE_SCTP_DATA { \ |
1da177e4 | 92 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 93 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 94 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 95 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 96 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 97 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 98 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 99 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 100 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 101 | TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
1da177e4 | 102 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 103 | TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
1da177e4 | 104 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 105 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 106 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 107 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
108 | } /* TYPE_SCTP_DATA */ |
109 | ||
110 | #define TYPE_SCTP_INIT { \ | |
1da177e4 | 111 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 112 | TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
1da177e4 | 113 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 114 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 115 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 116 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
1da177e4 | 117 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 118 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 119 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 120 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 121 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 122 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 123 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 124 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
1da177e4 | 125 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 126 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
1da177e4 LT |
127 | } /* TYPE_SCTP_INIT */ |
128 | ||
129 | #define TYPE_SCTP_INIT_ACK { \ | |
1da177e4 | 130 | /* SCTP_STATE_CLOSED */ \ |
610ab73a | 131 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
1da177e4 | 132 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 133 | TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
1da177e4 | 134 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 135 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 136 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 137 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 138 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 139 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 140 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 141 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 142 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 143 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 144 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 145 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
146 | } /* TYPE_SCTP_INIT_ACK */ |
147 | ||
148 | #define TYPE_SCTP_SACK { \ | |
1da177e4 | 149 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 150 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 151 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 152 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 153 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 154 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 155 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 156 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 157 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 158 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 159 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 160 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 161 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 162 | TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
1da177e4 | 163 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 164 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
165 | } /* TYPE_SCTP_SACK */ |
166 | ||
167 | #define TYPE_SCTP_HEARTBEAT { \ | |
1da177e4 | 168 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 169 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 170 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 171 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 172 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 173 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 174 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 175 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 176 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 177 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 178 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 179 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 | 180 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 181 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
182 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
183 | /* This should not happen, but we are nice. */ \ | |
1ed176a8 | 184 | TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
1da177e4 LT |
185 | } /* TYPE_SCTP_HEARTBEAT */ |
186 | ||
187 | #define TYPE_SCTP_HEARTBEAT_ACK { \ | |
1da177e4 | 188 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 189 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 190 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 191 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 192 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 193 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 194 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 195 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 196 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 197 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 198 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 199 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 200 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 201 | TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
1da177e4 | 202 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 203 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
204 | } /* TYPE_SCTP_HEARTBEAT_ACK */ |
205 | ||
206 | #define TYPE_SCTP_ABORT { \ | |
1da177e4 | 207 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 208 | TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
1da177e4 | 209 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 210 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
1da177e4 | 211 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 212 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
1da177e4 | 213 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 214 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 215 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 216 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
1da177e4 | 217 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 218 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
1da177e4 | 219 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 220 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
1da177e4 | 221 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 222 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
1da177e4 LT |
223 | } /* TYPE_SCTP_ABORT */ |
224 | ||
225 | #define TYPE_SCTP_SHUTDOWN { \ | |
1da177e4 | 226 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 227 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 228 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 229 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 230 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 231 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 232 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 233 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 234 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
cf896d51 | 235 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
1da177e4 | 236 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 237 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 238 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
2e3f92da | 239 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
1da177e4 | 240 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 241 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
242 | } /* TYPE_SCTP_SHUTDOWN */ |
243 | ||
244 | #define TYPE_SCTP_SHUTDOWN_ACK { \ | |
1da177e4 | 245 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 246 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 247 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 248 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 249 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 250 | TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
1da177e4 | 251 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 252 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 253 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 254 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 255 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 256 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 | 257 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 258 | TYPE_SCTP_FUNC(sctp_sf_violation), \ |
1da177e4 | 259 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 260 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
1da177e4 LT |
261 | } /* TYPE_SCTP_SHUTDOWN_ACK */ |
262 | ||
263 | #define TYPE_SCTP_ERROR { \ | |
1da177e4 | 264 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 265 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 266 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 267 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 268 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 269 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
1da177e4 | 270 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 271 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 272 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 273 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 274 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 275 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 276 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 277 | TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
1da177e4 | 278 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 279 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
280 | } /* TYPE_SCTP_ERROR */ |
281 | ||
282 | #define TYPE_SCTP_COOKIE_ECHO { \ | |
1da177e4 | 283 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 284 | TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
1da177e4 | 285 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 286 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 287 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 288 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 289 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 290 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 291 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 292 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 293 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 294 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 295 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 296 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 | 297 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 298 | TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
1da177e4 LT |
299 | } /* TYPE_SCTP_COOKIE_ECHO */ |
300 | ||
301 | #define TYPE_SCTP_COOKIE_ACK { \ | |
1da177e4 | 302 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 303 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 304 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 305 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 306 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 307 | TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
1da177e4 | 308 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 309 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 310 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 311 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 312 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 313 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 314 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 315 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 316 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 317 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
318 | } /* TYPE_SCTP_COOKIE_ACK */ |
319 | ||
320 | #define TYPE_SCTP_ECN_ECNE { \ | |
1da177e4 | 321 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 322 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 323 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 324 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 325 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 326 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 327 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 328 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 329 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 330 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 331 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 332 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 333 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 334 | TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
1da177e4 | 335 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 336 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
337 | } /* TYPE_SCTP_ECN_ECNE */ |
338 | ||
339 | #define TYPE_SCTP_ECN_CWR { \ | |
1da177e4 | 340 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 341 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 342 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 343 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 344 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 345 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 346 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 347 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 348 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 349 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 350 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 351 | TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
1da177e4 | 352 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 353 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 354 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 355 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
356 | } /* TYPE_SCTP_ECN_CWR */ |
357 | ||
358 | #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ | |
1da177e4 | 359 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 360 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 361 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 362 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 363 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 364 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 365 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 366 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 367 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 368 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 369 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 370 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 371 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 372 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 373 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 374 | TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
1da177e4 LT |
375 | } /* TYPE_SCTP_SHUTDOWN_COMPLETE */ |
376 | ||
377 | /* The primary index for this table is the chunk type. | |
378 | * The secondary index for this table is the state. | |
379 | * | |
380 | * For base protocol (RFC 2960). | |
381 | */ | |
8ee821ae XL |
382 | static const struct sctp_sm_table_entry |
383 | chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
384 | TYPE_SCTP_DATA, |
385 | TYPE_SCTP_INIT, | |
386 | TYPE_SCTP_INIT_ACK, | |
387 | TYPE_SCTP_SACK, | |
388 | TYPE_SCTP_HEARTBEAT, | |
389 | TYPE_SCTP_HEARTBEAT_ACK, | |
390 | TYPE_SCTP_ABORT, | |
391 | TYPE_SCTP_SHUTDOWN, | |
392 | TYPE_SCTP_SHUTDOWN_ACK, | |
393 | TYPE_SCTP_ERROR, | |
394 | TYPE_SCTP_COOKIE_ECHO, | |
395 | TYPE_SCTP_COOKIE_ACK, | |
396 | TYPE_SCTP_ECN_ECNE, | |
397 | TYPE_SCTP_ECN_CWR, | |
398 | TYPE_SCTP_SHUTDOWN_COMPLETE, | |
399 | }; /* state_fn_t chunk_event_table[][] */ | |
400 | ||
401 | #define TYPE_SCTP_ASCONF { \ | |
1da177e4 | 402 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 403 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 404 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 405 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 406 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 407 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 408 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 409 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 410 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 411 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 412 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 413 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 414 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 415 | TYPE_SCTP_FUNC(sctp_sf_do_asconf), \ |
1da177e4 | 416 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 417 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
418 | } /* TYPE_SCTP_ASCONF */ |
419 | ||
420 | #define TYPE_SCTP_ASCONF_ACK { \ | |
1da177e4 | 421 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 422 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 423 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 424 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 425 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 426 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 427 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 428 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 429 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 430 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 431 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 432 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 433 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 434 | TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \ |
1da177e4 | 435 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 436 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
437 | } /* TYPE_SCTP_ASCONF_ACK */ |
438 | ||
439 | /* The primary index for this table is the chunk type. | |
440 | * The secondary index for this table is the state. | |
441 | */ | |
8ee821ae XL |
442 | static const struct sctp_sm_table_entry |
443 | addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
444 | TYPE_SCTP_ASCONF, |
445 | TYPE_SCTP_ASCONF_ACK, | |
446 | }; /*state_fn_t addip_chunk_event_table[][] */ | |
447 | ||
448 | #define TYPE_SCTP_FWD_TSN { \ | |
1da177e4 | 449 | /* SCTP_STATE_CLOSED */ \ |
ece25dfa | 450 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
1da177e4 | 451 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 452 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 453 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 454 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 455 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 456 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 457 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 458 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \ |
1da177e4 | 459 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 460 | TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \ |
1da177e4 | 461 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 462 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 | 463 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 464 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
1da177e4 LT |
465 | } /* TYPE_SCTP_FWD_TSN */ |
466 | ||
467 | /* The primary index for this table is the chunk type. | |
468 | * The secondary index for this table is the state. | |
469 | */ | |
8ee821ae XL |
470 | static const struct sctp_sm_table_entry |
471 | prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
472 | TYPE_SCTP_FWD_TSN, |
473 | }; /*state_fn_t prsctp_chunk_event_table[][] */ | |
474 | ||
d884aa63 XL |
475 | #define TYPE_SCTP_RECONF { \ |
476 | /* SCTP_STATE_CLOSED */ \ | |
477 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
478 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
479 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
480 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
481 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
482 | /* SCTP_STATE_ESTABLISHED */ \ | |
483 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
484 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
485 | TYPE_SCTP_FUNC(sctp_sf_do_reconf), \ | |
486 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
487 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
488 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
489 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
490 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
491 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
492 | } /* TYPE_SCTP_RECONF */ | |
493 | ||
494 | /* The primary index for this table is the chunk type. | |
495 | * The secondary index for this table is the state. | |
496 | */ | |
8ee821ae XL |
497 | static const struct sctp_sm_table_entry |
498 | reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
d884aa63 XL |
499 | TYPE_SCTP_RECONF, |
500 | }; /*state_fn_t reconf_chunk_event_table[][] */ | |
501 | ||
bbd0d598 | 502 | #define TYPE_SCTP_AUTH { \ |
bbd0d598 VY |
503 | /* SCTP_STATE_CLOSED */ \ |
504 | TYPE_SCTP_FUNC(sctp_sf_ootb), \ | |
505 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
506 | TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ | |
507 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
508 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
509 | /* SCTP_STATE_ESTABLISHED */ \ | |
510 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
511 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
512 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
513 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
514 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
515 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
516 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
517 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
518 | TYPE_SCTP_FUNC(sctp_sf_eat_auth), \ | |
519 | } /* TYPE_SCTP_AUTH */ | |
520 | ||
521 | /* The primary index for this table is the chunk type. | |
522 | * The secondary index for this table is the state. | |
523 | */ | |
8ee821ae XL |
524 | static const struct sctp_sm_table_entry |
525 | auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { | |
bbd0d598 VY |
526 | TYPE_SCTP_AUTH, |
527 | }; /*state_fn_t auth_chunk_event_table[][] */ | |
528 | ||
8ee821ae | 529 | static const struct sctp_sm_table_entry |
1da177e4 | 530 | chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { |
1da177e4 | 531 | /* SCTP_STATE_CLOSED */ |
ece25dfa | 532 | TYPE_SCTP_FUNC(sctp_sf_ootb), |
1da177e4 | 533 | /* SCTP_STATE_COOKIE_WAIT */ |
1ed176a8 | 534 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 535 | /* SCTP_STATE_COOKIE_ECHOED */ |
1ed176a8 | 536 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 537 | /* SCTP_STATE_ESTABLISHED */ |
1ed176a8 | 538 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 539 | /* SCTP_STATE_SHUTDOWN_PENDING */ |
1ed176a8 | 540 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 541 | /* SCTP_STATE_SHUTDOWN_SENT */ |
1ed176a8 | 542 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 543 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ |
1ed176a8 | 544 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 | 545 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ |
1ed176a8 | 546 | TYPE_SCTP_FUNC(sctp_sf_unk_chunk), |
1da177e4 LT |
547 | }; /* chunk unknown */ |
548 | ||
549 | ||
550 | #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ | |
1da177e4 | 551 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 552 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ |
1da177e4 | 553 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 554 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 555 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 556 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 557 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 558 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 559 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 560 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 561 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 562 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 563 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 564 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 | 565 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 566 | TYPE_SCTP_FUNC(sctp_sf_not_impl), \ |
1da177e4 LT |
567 | } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ |
568 | ||
569 | #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ | |
1da177e4 | 570 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 571 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 572 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 573 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \ |
1da177e4 | 574 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 575 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\ |
1da177e4 | 576 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 577 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \ |
1da177e4 | 578 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 579 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 580 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 581 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 582 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 583 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 | 584 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 585 | TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \ |
1da177e4 LT |
586 | } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ |
587 | ||
588 | #define TYPE_SCTP_PRIMITIVE_ABORT { \ | |
1da177e4 | 589 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 590 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 591 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 592 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \ |
1da177e4 | 593 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 594 | TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \ |
1da177e4 | 595 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 596 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 597 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 598 | TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \ |
1da177e4 | 599 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 600 | TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \ |
1da177e4 | 601 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 602 | TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \ |
1da177e4 | 603 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 604 | TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \ |
1da177e4 LT |
605 | } /* TYPE_SCTP_PRIMITIVE_ABORT */ |
606 | ||
607 | #define TYPE_SCTP_PRIMITIVE_SEND { \ | |
1da177e4 | 608 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 609 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 610 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 611 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 612 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 613 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 614 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 615 | TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \ |
1da177e4 | 616 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 617 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 618 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 619 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 620 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 621 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 | 622 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 623 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
1da177e4 LT |
624 | } /* TYPE_SCTP_PRIMITIVE_SEND */ |
625 | ||
626 | #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ | |
1da177e4 | 627 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 628 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 629 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 630 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 631 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 632 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 633 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 634 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 635 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 636 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 637 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 638 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 639 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 640 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 | 641 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 642 | TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \ |
1da177e4 LT |
643 | } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ |
644 | ||
645 | #define TYPE_SCTP_PRIMITIVE_ASCONF { \ | |
1da177e4 | 646 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 647 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 648 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 649 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 650 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 651 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ |
1da177e4 | 652 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 653 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 654 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
ba8a06da | 655 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 656 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
ba8a06da | 657 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 658 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
ba8a06da | 659 | TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \ |
1da177e4 | 660 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 661 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ |
4553e88d | 662 | } /* TYPE_SCTP_PRIMITIVE_ASCONF */ |
1da177e4 | 663 | |
7a090b04 XL |
664 | #define TYPE_SCTP_PRIMITIVE_RECONF { \ |
665 | /* SCTP_STATE_CLOSED */ \ | |
666 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
667 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
668 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
669 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
670 | TYPE_SCTP_FUNC(sctp_sf_error_closed), \ | |
671 | /* SCTP_STATE_ESTABLISHED */ \ | |
672 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
673 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
674 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
675 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
676 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
677 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
678 | TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \ | |
679 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
680 | TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \ | |
681 | } /* TYPE_SCTP_PRIMITIVE_RECONF */ | |
682 | ||
1da177e4 LT |
683 | /* The primary index for this table is the primitive type. |
684 | * The secondary index for this table is the state. | |
685 | */ | |
8ee821ae XL |
686 | static const struct sctp_sm_table_entry |
687 | primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
688 | TYPE_SCTP_PRIMITIVE_ASSOCIATE, |
689 | TYPE_SCTP_PRIMITIVE_SHUTDOWN, | |
690 | TYPE_SCTP_PRIMITIVE_ABORT, | |
691 | TYPE_SCTP_PRIMITIVE_SEND, | |
692 | TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT, | |
693 | TYPE_SCTP_PRIMITIVE_ASCONF, | |
7a090b04 | 694 | TYPE_SCTP_PRIMITIVE_RECONF, |
1da177e4 LT |
695 | }; |
696 | ||
697 | #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ | |
1da177e4 | 698 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 699 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 700 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 701 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 702 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 703 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 704 | /* SCTP_STATE_ESTABLISHED */ \ |
e1cdd553 | 705 | TYPE_SCTP_FUNC(sctp_sf_do_no_pending_tsn), \ |
1da177e4 | 706 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 707 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \ |
1da177e4 | 708 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 709 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 710 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 711 | TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
1da177e4 | 712 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 713 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
714 | } |
715 | ||
716 | #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ | |
1da177e4 | 717 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 718 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 719 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 720 | TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \ |
1da177e4 | 721 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 722 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 723 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 724 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 725 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 726 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 727 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 728 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 729 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 730 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 | 731 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 732 | TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ |
1da177e4 LT |
733 | } |
734 | ||
8ee821ae XL |
735 | static const struct sctp_sm_table_entry |
736 | other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
737 | TYPE_SCTP_OTHER_NO_PENDING_TSN, |
738 | TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, | |
739 | }; | |
740 | ||
741 | #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ | |
1da177e4 | 742 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 743 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 744 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 745 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 746 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 747 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 748 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 749 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 750 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 751 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 752 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 753 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 754 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 755 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 756 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 757 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 LT |
758 | } |
759 | ||
760 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ | |
1da177e4 | 761 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 762 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 763 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 764 | TYPE_SCTP_FUNC(sctp_sf_bug), \ |
1da177e4 | 765 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 766 | TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \ |
1da177e4 | 767 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 768 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 769 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 770 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 771 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 772 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 773 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 774 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 775 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 776 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
777 | } |
778 | ||
779 | #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ | |
1da177e4 | 780 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 781 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 782 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 783 | TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \ |
1da177e4 | 784 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 785 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 786 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 787 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 788 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 789 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 790 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 791 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 792 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 793 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 794 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 795 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
796 | } |
797 | ||
798 | #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ | |
1da177e4 | 799 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 800 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 801 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 802 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 803 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 804 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 805 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 806 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 807 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 808 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 809 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 810 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 | 811 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 812 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 813 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 814 | TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \ |
1da177e4 LT |
815 | } |
816 | ||
817 | #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ | |
1da177e4 | 818 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 819 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 820 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 821 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 822 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 823 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 824 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 825 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 826 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 827 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 828 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 829 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 830 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 831 | TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \ |
1da177e4 | 832 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 833 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
834 | } |
835 | ||
836 | #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ | |
1da177e4 | 837 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 838 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 839 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 840 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 841 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 842 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 843 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 844 | TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \ |
1da177e4 | 845 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 846 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 847 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 848 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 849 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 850 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 851 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 852 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
853 | } |
854 | ||
855 | #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ | |
1da177e4 | 856 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 857 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 858 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 859 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 860 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 861 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 862 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 863 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 864 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
f8d96052 | 865 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 866 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 867 | TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ |
1da177e4 | 868 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 869 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 870 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 871 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
872 | } |
873 | ||
874 | #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ | |
1da177e4 | 875 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 876 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 877 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 878 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 879 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 880 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 881 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 882 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 883 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 884 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 885 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 886 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 887 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 888 | TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \ |
1da177e4 | 889 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 890 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
891 | } |
892 | ||
893 | #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ | |
1da177e4 | 894 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 895 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 896 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 897 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 898 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 899 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 900 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 901 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 902 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 903 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 904 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 905 | TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \ |
1da177e4 | 906 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 907 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 908 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 909 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
910 | } |
911 | ||
912 | #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ | |
1da177e4 | 913 | /* SCTP_STATE_CLOSED */ \ |
1ed176a8 | 914 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 915 | /* SCTP_STATE_COOKIE_WAIT */ \ |
1ed176a8 | 916 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 917 | /* SCTP_STATE_COOKIE_ECHOED */ \ |
1ed176a8 | 918 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 919 | /* SCTP_STATE_ESTABLISHED */ \ |
1ed176a8 | 920 | TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \ |
1da177e4 | 921 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ |
1ed176a8 | 922 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 923 | /* SCTP_STATE_SHUTDOWN_SENT */ \ |
1ed176a8 | 924 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 925 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
1ed176a8 | 926 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 | 927 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
1ed176a8 | 928 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ |
1da177e4 LT |
929 | } |
930 | ||
7b9438de XL |
931 | #define TYPE_SCTP_EVENT_TIMEOUT_RECONF { \ |
932 | /* SCTP_STATE_CLOSED */ \ | |
933 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
934 | /* SCTP_STATE_COOKIE_WAIT */ \ | |
935 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
936 | /* SCTP_STATE_COOKIE_ECHOED */ \ | |
937 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
938 | /* SCTP_STATE_ESTABLISHED */ \ | |
939 | TYPE_SCTP_FUNC(sctp_sf_send_reconf), \ | |
940 | /* SCTP_STATE_SHUTDOWN_PENDING */ \ | |
941 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
942 | /* SCTP_STATE_SHUTDOWN_SENT */ \ | |
943 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
944 | /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ | |
945 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
946 | /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ | |
947 | TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ | |
948 | } | |
949 | ||
8ee821ae XL |
950 | static const struct sctp_sm_table_entry |
951 | timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { | |
1da177e4 LT |
952 | TYPE_SCTP_EVENT_TIMEOUT_NONE, |
953 | TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE, | |
954 | TYPE_SCTP_EVENT_TIMEOUT_T1_INIT, | |
955 | TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN, | |
956 | TYPE_SCTP_EVENT_TIMEOUT_T3_RTX, | |
957 | TYPE_SCTP_EVENT_TIMEOUT_T4_RTO, | |
958 | TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, | |
959 | TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT, | |
7b9438de | 960 | TYPE_SCTP_EVENT_TIMEOUT_RECONF, |
1da177e4 LT |
961 | TYPE_SCTP_EVENT_TIMEOUT_SACK, |
962 | TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, | |
963 | }; | |
964 | ||
8ee821ae | 965 | static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
52106019 XL |
966 | struct net *net, |
967 | enum sctp_cid cid, | |
968 | enum sctp_state state) | |
1da177e4 LT |
969 | { |
970 | if (state > SCTP_STATE_MAX) | |
971 | return &bug; | |
972 | ||
0fc2ea92 | 973 | if (cid == SCTP_CID_I_DATA) |
9d4ceaf1 XL |
974 | cid = SCTP_CID_DATA; |
975 | ||
75202e76 | 976 | if (cid <= SCTP_CID_BASE_MAX) |
1da177e4 LT |
977 | return &chunk_event_table[cid][state]; |
978 | ||
e1fc3b14 | 979 | if (net->sctp.prsctp_enable) { |
0fc2ea92 | 980 | if (cid == SCTP_CID_FWD_TSN || cid == SCTP_CID_I_FWD_TSN) |
1da177e4 LT |
981 | return &prsctp_chunk_event_table[0][state]; |
982 | } | |
983 | ||
e1fc3b14 | 984 | if (net->sctp.addip_enable) { |
1da177e4 LT |
985 | if (cid == SCTP_CID_ASCONF) |
986 | return &addip_chunk_event_table[0][state]; | |
987 | ||
988 | if (cid == SCTP_CID_ASCONF_ACK) | |
989 | return &addip_chunk_event_table[1][state]; | |
990 | } | |
991 | ||
d884aa63 XL |
992 | if (net->sctp.reconf_enable) |
993 | if (cid == SCTP_CID_RECONF) | |
994 | return &reconf_chunk_event_table[0][state]; | |
995 | ||
e1fc3b14 | 996 | if (net->sctp.auth_enable) { |
bbd0d598 VY |
997 | if (cid == SCTP_CID_AUTH) |
998 | return &auth_chunk_event_table[0][state]; | |
999 | } | |
1000 | ||
1da177e4 LT |
1001 | return &chunk_event_table_unknown[state]; |
1002 | } |