1007 строки
40 KiB
C
1007 строки
40 KiB
C
/* SCTP kernel reference Implementation
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* (C) Copyright IBM Corp. 2001, 2004
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* Copyright (c) 1999-2000 Cisco, Inc.
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* Copyright (c) 1999-2001 Motorola, Inc.
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* Copyright (c) 2001 Intel Corp.
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* Copyright (c) 2001 Nokia, Inc.
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*
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* This file is part of the SCTP kernel reference Implementation
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*
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* These are the state tables for the SCTP state machine.
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*
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* The SCTP reference implementation is free software;
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* you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* The SCTP reference implementation is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* ************************
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU CC; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Please send any bug reports or fixes you make to the
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* email address(es):
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* lksctp developers <lksctp-developers@lists.sourceforge.net>
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*
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* Or submit a bug report through the following website:
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* http://www.sf.net/projects/lksctp
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*
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* Written or modified by:
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* La Monte H.P. Yarroll <piggy@acm.org>
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* Karl Knutson <karl@athena.chicago.il.us>
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* Jon Grimm <jgrimm@us.ibm.com>
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* Hui Huang <hui.huang@nokia.com>
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* Daisy Chang <daisyc@us.ibm.com>
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* Ardelle Fan <ardelle.fan@intel.com>
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* Sridhar Samudrala <sri@us.ibm.com>
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*
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* Any bugs reported given to us we will try to fix... any fixes shared will
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* be incorporated into the next SCTP release.
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*/
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#include <linux/skbuff.h>
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#include <net/sctp/sctp.h>
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#include <net/sctp/sm.h>
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static const sctp_sm_table_entry_t
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primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
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static const sctp_sm_table_entry_t
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other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
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static const sctp_sm_table_entry_t
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timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
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static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
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sctp_state_t state);
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static const sctp_sm_table_entry_t bug = {
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.fn = sctp_sf_bug,
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.name = "sctp_sf_bug"
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};
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#define DO_LOOKUP(_max, _type, _table) \
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if ((event_subtype._type > (_max))) { \
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printk(KERN_WARNING \
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"sctp table %p possible attack:" \
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" event %d exceeds max %d\n", \
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_table, event_subtype._type, _max); \
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return &bug; \
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} \
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return &_table[event_subtype._type][(int)state];
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const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
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sctp_state_t state,
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sctp_subtype_t event_subtype)
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{
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switch (event_type) {
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case SCTP_EVENT_T_CHUNK:
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return sctp_chunk_event_lookup(event_subtype.chunk, state);
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break;
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case SCTP_EVENT_T_TIMEOUT:
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DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
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timeout_event_table);
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break;
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case SCTP_EVENT_T_OTHER:
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DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, other_event_table);
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break;
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case SCTP_EVENT_T_PRIMITIVE:
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DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
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primitive_event_table);
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break;
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default:
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/* Yikes! We got an illegal event type. */
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return &bug;
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};
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}
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#define TYPE_SCTP_DATA { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_eat_data_6_2, .name = "sctp_sf_eat_data_6_2"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_eat_data_fast_4_4, .name = "sctp_sf_eat_data_fast_4_4"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_DATA */
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#define TYPE_SCTP_INIT { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_do_5_1B_init, .name = "sctp_sf_do_5_1B_init"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_do_5_2_1_siminit, .name = "sctp_sf_do_5_2_1_siminit"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_do_5_2_2_dupinit, .name = "sctp_sf_do_5_2_2_dupinit"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_do_9_2_reshutack, .name = "sctp_sf_do_9_2_reshutack"}, \
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} /* TYPE_SCTP_INIT */
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#define TYPE_SCTP_INIT_ACK { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_do_5_1C_ack, .name = "sctp_sf_do_5_1C_ack"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_INIT_ACK */
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#define TYPE_SCTP_SACK { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_eat_sack_6_2, .name = "sctp_sf_eat_sack_6_2"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_SACK */
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#define TYPE_SCTP_HEARTBEAT { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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/* This should not happen, but we are nice. */ \
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{.fn = sctp_sf_beat_8_3, .name = "sctp_sf_beat_8_3"}, \
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} /* TYPE_SCTP_HEARTBEAT */
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#define TYPE_SCTP_HEARTBEAT_ACK { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_backbeat_8_3, .name = "sctp_sf_backbeat_8_3"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_HEARTBEAT_ACK */
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#define TYPE_SCTP_ABORT { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_pdiscard, .name = "sctp_sf_pdiscard"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_cookie_wait_abort, .name = "sctp_sf_cookie_wait_abort"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_cookie_echoed_abort, \
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.name = "sctp_sf_cookie_echoed_abort"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_shutdown_pending_abort, \
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.name = "sctp_sf_shutdown_pending_abort"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_shutdown_sent_abort, \
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.name = "sctp_sf_shutdown_sent_abort"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_do_9_1_abort, .name = "sctp_sf_do_9_1_abort"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_shutdown_ack_sent_abort, \
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.name = "sctp_sf_shutdown_ack_sent_abort"}, \
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} /* TYPE_SCTP_ABORT */
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#define TYPE_SCTP_SHUTDOWN { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_do_9_2_shutdown, .name = "sctp_sf_do_9_2_shutdown"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_do_9_2_shutdown_ack, \
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.name = "sctp_sf_do_9_2_shutdown_ack"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_SHUTDOWN */
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#define TYPE_SCTP_SHUTDOWN_ACK { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_do_8_5_1_E_sa, .name = "sctp_sf_do_8_5_1_E_sa"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_violation, .name = "sctp_sf_violation"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_do_9_2_final, .name = "sctp_sf_do_9_2_final"}, \
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} /* TYPE_SCTP_SHUTDOWN_ACK */
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#define TYPE_SCTP_ERROR { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_tabort_8_4_8, .name = "sctp_sf_tabort_8_4_8"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_cookie_echoed_err, .name = "sctp_sf_cookie_echoed_err"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_operr_notify, .name = "sctp_sf_operr_notify"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
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} /* TYPE_SCTP_ERROR */
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#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"}, \
|
|
}
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|
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#define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
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/* SCTP_STATE_EMPTY */ \
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{.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
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/* SCTP_STATE_CLOSED */ \
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{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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/* SCTP_STATE_COOKIE_WAIT */ \
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{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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/* SCTP_STATE_COOKIE_ECHOED */ \
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{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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/* SCTP_STATE_ESTABLISHED */ \
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{.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
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/* SCTP_STATE_SHUTDOWN_PENDING */ \
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{.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
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/* SCTP_STATE_SHUTDOWN_SENT */ \
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{.fn = sctp_sf_do_6_2_sack, .name = "sctp_sf_do_6_2_sack"}, \
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
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{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
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{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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|
}
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|
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|
#define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
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/* SCTP_STATE_EMPTY */ \
|
|
{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
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|
/* 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];
|
|
}
|