forked from Minki/linux
1ed176a801
I noticed an insane high density of repeated characters fixable by a
simple regular expression:
% s/{.fn = \([^,]*\),[[:space:]]\+\(\\\n[[:space:]]\+\)\?.name = "\1"}/TYPE_SCTP_FUNC(\1)/g
(NOTE: the .name for .fn = sctp_sf_do_9_2_start_shutdown didn't match)
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
981 lines
32 KiB
C
981 lines
32 KiB
C
/* SCTP kernel reference Implementation
|
|
* (C) Copyright IBM Corp. 2001, 2004
|
|
* Copyright (c) 1999-2000 Cisco, Inc.
|
|
* Copyright (c) 1999-2001 Motorola, Inc.
|
|
* Copyright (c) 2001 Intel Corp.
|
|
* Copyright (c) 2001 Nokia, Inc.
|
|
*
|
|
* This file is part of the SCTP kernel reference Implementation
|
|
*
|
|
* These are the state tables for the SCTP state machine.
|
|
*
|
|
* The SCTP reference implementation is free software;
|
|
* you can redistribute it and/or modify it under the terms of
|
|
* the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* The SCTP reference implementation is distributed in the hope that it
|
|
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
|
|
* ************************
|
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GNU CC; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* Please send any bug reports or fixes you make to the
|
|
* email address(es):
|
|
* lksctp developers <lksctp-developers@lists.sourceforge.net>
|
|
*
|
|
* Or submit a bug report through the following website:
|
|
* http://www.sf.net/projects/lksctp
|
|
*
|
|
* Written or modified by:
|
|
* La Monte H.P. Yarroll <piggy@acm.org>
|
|
* Karl Knutson <karl@athena.chicago.il.us>
|
|
* Jon Grimm <jgrimm@us.ibm.com>
|
|
* Hui Huang <hui.huang@nokia.com>
|
|
* Daisy Chang <daisyc@us.ibm.com>
|
|
* Ardelle Fan <ardelle.fan@intel.com>
|
|
* Sridhar Samudrala <sri@us.ibm.com>
|
|
*
|
|
* Any bugs reported given to us we will try to fix... any fixes shared will
|
|
* be incorporated into the next SCTP release.
|
|
*/
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <net/sctp/sctp.h>
|
|
#include <net/sctp/sm.h>
|
|
|
|
static const sctp_sm_table_entry_t
|
|
primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
|
|
static const sctp_sm_table_entry_t
|
|
other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
|
|
static const sctp_sm_table_entry_t
|
|
timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
|
|
|
|
static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
|
|
sctp_state_t state);
|
|
|
|
|
|
static const sctp_sm_table_entry_t bug = {
|
|
.fn = sctp_sf_bug,
|
|
.name = "sctp_sf_bug"
|
|
};
|
|
|
|
#define DO_LOOKUP(_max, _type, _table) \
|
|
if ((event_subtype._type > (_max))) { \
|
|
printk(KERN_WARNING \
|
|
"sctp table %p possible attack:" \
|
|
" event %d exceeds max %d\n", \
|
|
_table, event_subtype._type, _max); \
|
|
return &bug; \
|
|
} \
|
|
return &_table[event_subtype._type][(int)state];
|
|
|
|
const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
|
|
sctp_state_t state,
|
|
sctp_subtype_t event_subtype)
|
|
{
|
|
switch (event_type) {
|
|
case SCTP_EVENT_T_CHUNK:
|
|
return sctp_chunk_event_lookup(event_subtype.chunk, state);
|
|
break;
|
|
case SCTP_EVENT_T_TIMEOUT:
|
|
DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
|
|
timeout_event_table);
|
|
break;
|
|
|
|
case SCTP_EVENT_T_OTHER:
|
|
DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, other_event_table);
|
|
break;
|
|
|
|
case SCTP_EVENT_T_PRIMITIVE:
|
|
DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
|
|
primitive_event_table);
|
|
break;
|
|
|
|
default:
|
|
/* Yikes! We got an illegal event type. */
|
|
return &bug;
|
|
};
|
|
}
|
|
|
|
#define TYPE_SCTP_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_tabort_8_4_8), \
|
|
/* 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_discard_chunk), \
|
|
/* 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_tabort_8_4_8), \
|
|
/* 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_tabort_8_4_8), \
|
|
/* 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_tabort_8_4_8), \
|
|
/* 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_tabort_8_4_8), \
|
|
/* 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_tabort_8_4_8), \
|
|
/* 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_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_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_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_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_tabort_8_4_8), \
|
|
/* 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[][] */
|
|
|
|
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_tabort_8_4_8),
|
|
/* 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_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_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_t5_timer_expire), \
|
|
/* 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 >= 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];
|
|
}
|