/* SCTP kernel reference Implementation * (C) Copyright IBM Corp. 2001, 2004 * Copyright (c) 1999-2000 Cisco, Inc. * Copyright (c) 1999-2001 Motorola, Inc. * Copyright (c) 2001 Intel Corp. * Copyright (c) 2001 Nokia, Inc. * * This file is part of the SCTP kernel reference Implementation * * These are the state tables for the SCTP state machine. * * The SCTP reference implementation is free software; * you can redistribute it and/or modify it under the terms of * the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * The SCTP reference implementation is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied * ************************ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU CC; see the file COPYING. If not, write to * the Free Software Foundation, 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Please send any bug reports or fixes you make to the * email address(es): * lksctp developers <lksctp-developers@lists.sourceforge.net> * * Or submit a bug report through the following website: * http://www.sf.net/projects/lksctp * * Written or modified by: * La Monte H.P. Yarroll <piggy@acm.org> * Karl Knutson <karl@athena.chicago.il.us> * Jon Grimm <jgrimm@us.ibm.com> * Hui Huang <hui.huang@nokia.com> * Daisy Chang <daisyc@us.ibm.com> * Ardelle Fan <ardelle.fan@intel.com> * Sridhar Samudrala <sri@us.ibm.com> * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorporated into the next SCTP release. */ #include <linux/skbuff.h> #include <net/sctp/sctp.h> #include <net/sctp/sm.h> static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid, sctp_state_t state); static const sctp_sm_table_entry_t bug = { .fn = sctp_sf_bug, .name = "sctp_sf_bug" }; #define DO_LOOKUP(_max, _type, _table) \ if ((event_subtype._type > (_max))) { \ printk(KERN_WARNING \ "sctp table %p possible attack:" \ " event %d exceeds max %d\n", \ _table, event_subtype._type, _max); \ return &bug; \ } \ return &_table[event_subtype._type][(int)state]; const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, sctp_state_t state, sctp_subtype_t event_subtype) { switch (event_type) { case SCTP_EVENT_T_CHUNK: return sctp_chunk_event_lookup(event_subtype.chunk, state); break; case SCTP_EVENT_T_TIMEOUT: DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, timeout_event_table); break; case SCTP_EVENT_T_OTHER: DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, other_event_table); break; case SCTP_EVENT_T_PRIMITIVE: DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, primitive_event_table); break; default: /* Yikes! We got an illegal event type. */ return &bug; }; } #define TYPE_SCTP_DATA { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_eat_data_fast_4_4, .name = "sctp_sf_eat_data_fast_4_4"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_DATA */ #define TYPE_SCTP_INIT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_do_5_1B_init, .name = "sctp_sf_do_5_1B_init"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_do_9_2_reshutack, .name = "sctp_sf_do_9_2_reshutack"}, \ } /* TYPE_SCTP_INIT */ #define TYPE_SCTP_INIT_ACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_5_1C_ack, .name = "sctp_sf_do_5_1C_ack"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_INIT_ACK */ #define TYPE_SCTP_SACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_SACK */ #define TYPE_SCTP_HEARTBEAT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ /* This should not happen, but we are nice. */ \ {.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \ } /* TYPE_SCTP_HEARTBEAT */ #define TYPE_SCTP_HEARTBEAT_ACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_HEARTBEAT_ACK */ #define TYPE_SCTP_ABORT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_pdiscard, .name = "sctp_sf_pdiscard"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_cookie_wait_abort, .name = "sctp_sf_cookie_wait_abort"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_cookie_echoed_abort, \ .name = "sctp_sf_cookie_echoed_abort"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_shutdown_pending_abort, \ .name = "sctp_sf_shutdown_pending_abort"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_shutdown_sent_abort, \ .name = "sctp_sf_shutdown_sent_abort"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_shutdown_ack_sent_abort, \ .name = "sctp_sf_shutdown_ack_sent_abort"}, \ } /* TYPE_SCTP_ABORT */ #define TYPE_SCTP_SHUTDOWN { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_9_2_shutdown, .name = "sctp_sf_do_9_2_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_9_2_shutdown_ack, \ .name = "sctp_sf_do_9_2_shutdown_ack"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_SHUTDOWN */ #define TYPE_SCTP_SHUTDOWN_ACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \ } /* TYPE_SCTP_SHUTDOWN_ACK */ #define TYPE_SCTP_ERROR { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_cookie_echoed_err, .name = "sctp_sf_cookie_echoed_err"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_ERROR */ #define TYPE_SCTP_COOKIE_ECHO { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_do_5_1D_ce, .name = "sctp_sf_do_5_1D_ce"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_do_5_2_4_dupcook, .name = "sctp_sf_do_5_2_4_dupcook"}, \ } /* TYPE_SCTP_COOKIE_ECHO */ #define TYPE_SCTP_COOKIE_ACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_5_1E_ca, .name = "sctp_sf_do_5_1E_ca"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_COOKIE_ACK */ #define TYPE_SCTP_ECN_ECNE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ } /* TYPE_SCTP_ECN_ECNE */ #define TYPE_SCTP_ECN_CWR { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_ecn_cwr, .name = "sctp_sf_do_ecn_cwr"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ } /* TYPE_SCTP_ECN_CWR */ #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_do_4_C, .name = "sctp_sf_do_4_C"}, \ } /* TYPE_SCTP_SHUTDOWN_COMPLETE */ /* The primary index for this table is the chunk type. * The secondary index for this table is the state. * * For base protocol (RFC 2960). */ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_DATA, TYPE_SCTP_INIT, TYPE_SCTP_INIT_ACK, TYPE_SCTP_SACK, TYPE_SCTP_HEARTBEAT, TYPE_SCTP_HEARTBEAT_ACK, TYPE_SCTP_ABORT, TYPE_SCTP_SHUTDOWN, TYPE_SCTP_SHUTDOWN_ACK, TYPE_SCTP_ERROR, TYPE_SCTP_COOKIE_ECHO, TYPE_SCTP_COOKIE_ACK, TYPE_SCTP_ECN_ECNE, TYPE_SCTP_ECN_CWR, TYPE_SCTP_SHUTDOWN_COMPLETE, }; /* state_fn_t chunk_event_table[][] */ #define TYPE_SCTP_ASCONF { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_asconf, .name = "sctp_sf_do_asconf"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_ASCONF */ #define TYPE_SCTP_ASCONF_ACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_asconf_ack, .name = "sctp_sf_do_asconf_ack"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_ASCONF_ACK */ /* The primary index for this table is the chunk type. * The secondary index for this table is the state. */ static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_ASCONF, TYPE_SCTP_ASCONF_ACK, }; /*state_fn_t addip_chunk_event_table[][] */ #define TYPE_SCTP_FWD_TSN { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_eat_fwd_tsn, .name = "sctp_sf_eat_fwd_tsn"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_eat_fwd_tsn, .name = "sctp_sf_eat_fwd_tsn"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_eat_fwd_tsn_fast, .name = "sctp_sf_eat_fwd_tsn_fast"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_FWD_TSN */ /* The primary index for this table is the chunk type. * The secondary index for this table is the state. */ static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_FWD_TSN, }; /*state_fn_t prsctp_chunk_event_table[][] */ static const sctp_sm_table_entry_t chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { /* SCTP_STATE_EMPTY */ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, /* SCTP_STATE_CLOSED */ {.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, /* SCTP_STATE_COOKIE_WAIT */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_COOKIE_ECHOED */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_ESTABLISHED */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_SHUTDOWN_PENDING */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_SHUTDOWN_SENT */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_SHUTDOWN_RECEIVED */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, /* SCTP_STATE_SHUTDOWN_ACK_SENT */ {.fn = sctp_sf_unk_chunk, .name = "sctp_sf_unk_chunk"}, }; /* chunk unknown */ #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_do_prm_asoc, .name = "sctp_sf_do_prm_asoc"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_not_impl, .name = "sctp_sf_not_impl"}, \ } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_cookie_wait_prm_shutdown, \ .name = "sctp_sf_cookie_wait_prm_shutdown"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_cookie_echoed_prm_shutdown, \ .name = "sctp_sf_cookie_echoed_prm_shutdown"},\ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_9_2_prm_shutdown, \ .name = "sctp_sf_do_9_2_prm_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_ignore_primitive, .name = "sctp_sf_ignore_primitive"}, \ } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ #define TYPE_SCTP_PRIMITIVE_ABORT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_cookie_wait_prm_abort, \ .name = "sctp_sf_cookie_wait_prm_abort"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_cookie_echoed_prm_abort, \ .name = "sctp_sf_cookie_echoed_prm_abort"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_9_1_prm_abort, \ .name = "sctp_sf_do_9_1_prm_abort"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_shutdown_pending_prm_abort, \ .name = "sctp_sf_shutdown_pending_prm_abort"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_shutdown_sent_prm_abort, \ .name = "sctp_sf_shutdown_sent_prm_abort"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_9_1_prm_abort, \ .name = "sctp_sf_do_9_1_prm_abort"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_shutdown_ack_sent_prm_abort, \ .name = "sctp_sf_shutdown_ack_sent_prm_abort"}, \ } /* TYPE_SCTP_PRIMITIVE_ABORT */ #define TYPE_SCTP_PRIMITIVE_SEND { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_prm_send, .name = "sctp_sf_do_prm_send"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ } /* TYPE_SCTP_PRIMITIVE_SEND */ #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ #define TYPE_SCTP_PRIMITIVE_ASCONF { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_prm_asconf, .name = "sctp_sf_do_prm_asconf"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_error_shutdown, .name = "sctp_sf_error_shutdown"}, \ } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ /* The primary index for this table is the primitive type. * The secondary index for this table is the state. */ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_PRIMITIVE_ASSOCIATE, TYPE_SCTP_PRIMITIVE_SHUTDOWN, TYPE_SCTP_PRIMITIVE_ABORT, TYPE_SCTP_PRIMITIVE_SEND, TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT, TYPE_SCTP_PRIMITIVE_ASCONF, }; #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_9_2_start_shutdown, \ .name = "sctp_do_9_2_start_shutdown"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_9_2_shutdown_ack, \ .name = "sctp_sf_do_9_2_shutdown_ack"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ } #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_cookie_wait_icmp_abort, \ .name = "sctp_sf_cookie_wait_icmp_abort"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_ignore_other, .name = "sctp_sf_ignore_other"}, \ } static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_OTHER_NO_PENDING_TSN, TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH, }; #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_t1_cookie_timer_expire, \ .name = "sctp_sf_t1_cookie_timer_expire"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_t1_init_timer_expire, \ .name = "sctp_sf_t1_init_timer_expire"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_t2_timer_expire, .name = "sctp_sf_t2_timer_expire"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_t2_timer_expire, .name = "sctp_sf_t2_timer_expire"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_6_3_3_rtx, .name = "sctp_sf_do_6_3_3_rtx"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_t4_timer_expire, .name = "sctp_sf_t4_timer_expire"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_t5_timer_expire, .name = "sctp_sf_t5_timer_expire"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_t5_timer_expire, .name = "sctp_sf_t5_timer_expire"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_sendbeat_8_3, .name = "sctp_sf_sendbeat_8_3"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_CLOSED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_ESTABLISHED */ \ {.fn = sctp_sf_autoclose_timer_expire, \ .name = "sctp_sf_autoclose_timer_expire"}, \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ {.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \ } static const sctp_sm_table_entry_t timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES] = { TYPE_SCTP_EVENT_TIMEOUT_NONE, TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE, TYPE_SCTP_EVENT_TIMEOUT_T1_INIT, TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN, TYPE_SCTP_EVENT_TIMEOUT_T3_RTX, TYPE_SCTP_EVENT_TIMEOUT_T4_RTO, TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT, TYPE_SCTP_EVENT_TIMEOUT_SACK, TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE, }; static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid, sctp_state_t state) { if (state > SCTP_STATE_MAX) return &bug; if (cid >= 0 && cid <= SCTP_CID_BASE_MAX) return &chunk_event_table[cid][state]; if (sctp_prsctp_enable) { if (cid == SCTP_CID_FWD_TSN) return &prsctp_chunk_event_table[0][state]; } if (sctp_addip_enable) { if (cid == SCTP_CID_ASCONF) return &addip_chunk_event_table[0][state]; if (cid == SCTP_CID_ASCONF_ACK) return &addip_chunk_event_table[1][state]; } return &chunk_event_table_unknown[state]; }