/net/sctp/sm_statetable.c
http://github.com/mirrors/linux · C · 998 lines · 876 code · 68 blank · 54 comment · 7 complexity · 77a0875313c3e4bf4c838bd9abbd58fd MD5 · raw file
- // SPDX-License-Identifier: GPL-2.0-or-later
- /* 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.
- *
- * Please send any bug reports or fixes you make to the
- * email address(es):
- * lksctp developers <linux-sctp@vger.kernel.org>
- *
- * 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>
- */
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/skbuff.h>
- #include <net/sctp/sctp.h>
- #include <net/sctp/sm.h>
- static const struct sctp_sm_table_entry
- primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES];
- static const struct sctp_sm_table_entry
- other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES];
- static const struct sctp_sm_table_entry
- timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
- static const struct sctp_sm_table_entry *sctp_chunk_event_lookup(
- struct net *net,
- enum sctp_cid cid,
- enum sctp_state state);
- static const struct sctp_sm_table_entry bug = {
- .fn = sctp_sf_bug,
- .name = "sctp_sf_bug"
- };
- #define DO_LOOKUP(_max, _type, _table) \
- ({ \
- const struct sctp_sm_table_entry *rtn; \
- \
- if ((event_subtype._type > (_max))) { \
- pr_warn("table %p possible attack: event %d exceeds max %d\n", \
- _table, event_subtype._type, _max); \
- rtn = &bug; \
- } else \
- rtn = &_table[event_subtype._type][(int)state]; \
- \
- rtn; \
- })
- const struct sctp_sm_table_entry *sctp_sm_lookup_event(
- struct net *net,
- enum sctp_event_type event_type,
- enum sctp_state state,
- union sctp_subtype event_subtype)
- {
- switch (event_type) {
- case SCTP_EVENT_T_CHUNK:
- return sctp_chunk_event_lookup(net, event_subtype.chunk, state);
- case SCTP_EVENT_T_TIMEOUT:
- return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
- timeout_event_table);
- case SCTP_EVENT_T_OTHER:
- return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other,
- other_event_table);
- case SCTP_EVENT_T_PRIMITIVE:
- return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive,
- primitive_event_table);
- 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_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_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_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_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_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_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_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_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_do_9_2_shutdown), \
- /* SCTP_STATE_SHUTDOWN_SENT */ \
- TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
- /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
- TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \
- /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
- TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
- } /* TYPE_SCTP_SHUTDOWN */
- #define TYPE_SCTP_SHUTDOWN_ACK { \
- /* 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_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_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_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_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_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_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 struct sctp_sm_table_entry
- 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_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_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 struct sctp_sm_table_entry
- 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_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 struct sctp_sm_table_entry
- 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_RECONF { \
- /* 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_reconf), \
- /* SCTP_STATE_SHUTDOWN_PENDING */ \
- TYPE_SCTP_FUNC(sctp_sf_do_reconf), \
- /* 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_RECONF */
- /* The primary index for this table is the chunk type.
- * The secondary index for this table is the state.
- */
- static const struct sctp_sm_table_entry
- reconf_chunk_event_table[SCTP_NUM_RECONF_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
- TYPE_SCTP_RECONF,
- }; /*state_fn_t reconf_chunk_event_table[][] */
- #define TYPE_SCTP_AUTH { \
- /* 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 struct sctp_sm_table_entry
- 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 struct sctp_sm_table_entry
- chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
- /* 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_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_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_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_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_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_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_ASCONF */
- #define TYPE_SCTP_PRIMITIVE_RECONF { \
- /* 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_reconf), \
- /* SCTP_STATE_SHUTDOWN_PENDING */ \
- TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \
- /* SCTP_STATE_SHUTDOWN_SENT */ \
- TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \
- /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
- TYPE_SCTP_FUNC(sctp_sf_do_prm_reconf), \
- /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
- TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
- } /* TYPE_SCTP_PRIMITIVE_RECONF */
- /* The primary index for this table is the primitive type.
- * The secondary index for this table is the state.
- */
- static const struct sctp_sm_table_entry
- 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,
- TYPE_SCTP_PRIMITIVE_RECONF,
- };
- #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \
- /* 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_do_no_pending_tsn), \
- /* 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_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 struct sctp_sm_table_entry
- 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_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_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_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_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_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_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_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_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_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_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), \
- }
- #define TYPE_SCTP_EVENT_TIMEOUT_RECONF { \
- /* 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_send_reconf), \
- /* 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 struct sctp_sm_table_entry
- 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_RECONF,
- TYPE_SCTP_EVENT_TIMEOUT_SACK,
- TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
- };
- static const struct sctp_sm_table_entry *sctp_chunk_event_lookup(
- struct net *net,
- enum sctp_cid cid,
- enum sctp_state state)
- {
- if (state > SCTP_STATE_MAX)
- return &bug;
- if (cid == SCTP_CID_I_DATA)
- cid = SCTP_CID_DATA;
- if (cid <= SCTP_CID_BASE_MAX)
- return &chunk_event_table[cid][state];
- switch ((u16)cid) {
- case SCTP_CID_FWD_TSN:
- case SCTP_CID_I_FWD_TSN:
- return &prsctp_chunk_event_table[0][state];
- case SCTP_CID_ASCONF:
- return &addip_chunk_event_table[0][state];
- case SCTP_CID_ASCONF_ACK:
- return &addip_chunk_event_table[1][state];
- case SCTP_CID_RECONF:
- return &reconf_chunk_event_table[0][state];
- case SCTP_CID_AUTH:
- return &auth_chunk_event_table[0][state];
- }
- return &chunk_event_table_unknown[state];
- }