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linux/net/sctp/sm_statetable.c
Wei Yongjun 536428a9b9 sctp: Fix to start T5-shutdown-guard timer while enter SHUTDOWN-SENT state 
RFC 4960: Section 9.2
The sender of the SHUTDOWN MAY also start an overall guard timer
'T5-shutdown-guard' to bound the overall time for the shutdown
sequence.  At the expiration of this timer, the sender SHOULD abort
the association by sending an ABORT chunk.  If the 'T5-shutdown-
guard' timer is used, it SHOULD be set to the recommended value of 5
times 'RTO.Max'.

The timer 'T5-shutdown-guard' is used to counter the overall time
for shutdown sequence, and it's start by the sender of the SHUTDOWN.
So timer 'T5-shutdown-guard' should be start when we send the first
SHUTDOWN chunk and enter the SHUTDOWN-SENT state, not start when we
receipt of the SHUTDOWN primitive and enter SHUTDOWN-PENDING state.

If 'T5-shutdown-guard' timer is start at SHUTDOWN-PENDING state, the
association may be ABORT while data is still transmitting.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2008-10-01 11:34:16 -04:00

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/* SCTP kernel 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 implementation
*
* These are the state tables for the SCTP state machine.
*
* This SCTP 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.
*
* This SCTP 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_FUNC(func) {.fn = func, .name = #func}
#define TYPE_SCTP_DATA { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_DATA */
#define TYPE_SCTP_INIT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \
} /* TYPE_SCTP_INIT */
#define TYPE_SCTP_INIT_ACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_INIT_ACK */
#define TYPE_SCTP_SACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_SACK */
#define TYPE_SCTP_HEARTBEAT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
/* This should not happen, but we are nice. */ \
TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \
} /* TYPE_SCTP_HEARTBEAT */
#define TYPE_SCTP_HEARTBEAT_ACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_violation), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_HEARTBEAT_ACK */
#define TYPE_SCTP_ABORT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_pdiscard), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \
} /* TYPE_SCTP_ABORT */
#define TYPE_SCTP_SHUTDOWN { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_SHUTDOWN */
#define TYPE_SCTP_SHUTDOWN_ACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_violation), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_violation), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_violation), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \
} /* TYPE_SCTP_SHUTDOWN_ACK */
#define TYPE_SCTP_ERROR { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_operr_notify), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_ERROR */
#define TYPE_SCTP_COOKIE_ECHO { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \
} /* TYPE_SCTP_COOKIE_ECHO */
#define TYPE_SCTP_COOKIE_ACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_COOKIE_ACK */
#define TYPE_SCTP_ECN_ECNE { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecne), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_ECN_ECNE */
#define TYPE_SCTP_ECN_CWR { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_ECN_CWR */
#define TYPE_SCTP_SHUTDOWN_COMPLETE { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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 */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
} /* TYPE_SCTP_ASCONF */
#define TYPE_SCTP_ASCONF_ACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_asconf_ack), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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 */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_eat_fwd_tsn_fast), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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[][] */
#define TYPE_SCTP_AUTH { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ootb), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
} /* TYPE_SCTP_AUTH */
/* 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 auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
TYPE_SCTP_AUTH,
}; /*state_fn_t auth_chunk_event_table[][] */
static const sctp_sm_table_entry_t
chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
/* SCTP_STATE_EMPTY */
TYPE_SCTP_FUNC(sctp_sf_ootb),
/* SCTP_STATE_CLOSED */
TYPE_SCTP_FUNC(sctp_sf_ootb),
/* SCTP_STATE_COOKIE_WAIT */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_COOKIE_ECHOED */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_ESTABLISHED */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_SHUTDOWN_PENDING */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_SHUTDOWN_SENT */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_SHUTDOWN_RECEIVED */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
/* SCTP_STATE_SHUTDOWN_ACK_SENT */
TYPE_SCTP_FUNC(sctp_sf_unk_chunk),
}; /* chunk unknown */
#define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_not_impl), \
} /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */
#define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_shutdown), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_shutdown),\
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_prm_shutdown), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_primitive), \
} /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */
#define TYPE_SCTP_PRIMITIVE_ABORT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_wait_prm_abort), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_prm_abort), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_prm_abort), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_prm_abort), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_1_prm_abort), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_prm_abort), \
} /* TYPE_SCTP_PRIMITIVE_ABORT */
#define TYPE_SCTP_PRIMITIVE_SEND { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_send), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
} /* TYPE_SCTP_PRIMITIVE_SEND */
#define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_requestheartbeat), \
} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
#define TYPE_SCTP_PRIMITIVE_ASCONF { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_error_closed), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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 */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_start_shutdown), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
}
#define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_cookie_wait_icmp_abort), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_ignore_other), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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 */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_t1_cookie_timer_expire), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_t1_init_timer_expire), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_t2_timer_expire), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_3_3_rtx), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_t4_timer_expire), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_sendbeat_8_3), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_SACK { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_bug), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_do_6_2_sack), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
}
#define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \
/* SCTP_STATE_EMPTY */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_CLOSED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_WAIT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_COOKIE_ECHOED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_autoclose_timer_expire), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
TYPE_SCTP_FUNC(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 <= 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];
}
if (sctp_auth_enable) {
if (cid == SCTP_CID_AUTH)
return &auth_chunk_event_table[0][state];
}
return &chunk_event_table_unknown[state];
}
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