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1041 lines
34 KiB
1041 lines
34 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* SCTP kernel implementation |
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* (C) Copyright IBM Corp. 2001, 2004 |
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* Copyright (c) 1999-2000 Cisco, Inc. |
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* Copyright (c) 1999-2001 Motorola, Inc. |
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* Copyright (c) 2001 Intel Corp. |
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* Copyright (c) 2001 Nokia, Inc. |
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* |
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* This file is part of the SCTP kernel implementation |
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* |
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* These are the state tables for the SCTP state machine. |
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* |
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* Please send any bug reports or fixes you make to the |
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* email address(es): |
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* lksctp developers <[email protected]> |
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* |
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* Written or modified by: |
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* La Monte H.P. Yarroll <[email protected]> |
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* Karl Knutson <[email protected]> |
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* Jon Grimm <[email protected]> |
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* Hui Huang <[email protected]> |
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* Daisy Chang <[email protected]> |
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* Ardelle Fan <[email protected]> |
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* Sridhar Samudrala <[email protected]> |
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*/ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/skbuff.h> |
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#include <net/sctp/sctp.h> |
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#include <net/sctp/sm.h> |
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static const struct sctp_sm_table_entry |
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primitive_event_table[SCTP_NUM_PRIMITIVE_TYPES][SCTP_STATE_NUM_STATES]; |
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static const struct sctp_sm_table_entry |
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other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_STATE_NUM_STATES]; |
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static const struct sctp_sm_table_entry |
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timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES]; |
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static const struct sctp_sm_table_entry *sctp_chunk_event_lookup( |
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struct net *net, |
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enum sctp_cid cid, |
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enum sctp_state state); |
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static const struct sctp_sm_table_entry bug = { |
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.fn = sctp_sf_bug, |
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.name = "sctp_sf_bug" |
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}; |
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#define DO_LOOKUP(_max, _type, _table) \ |
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({ \ |
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const struct sctp_sm_table_entry *rtn; \ |
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\ |
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if ((event_subtype._type > (_max))) { \ |
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pr_warn("table %p possible attack: event %d exceeds max %d\n", \ |
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_table, event_subtype._type, _max); \ |
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rtn = &bug; \ |
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} else \ |
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rtn = &_table[event_subtype._type][(int)state]; \ |
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\ |
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rtn; \ |
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}) |
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const struct sctp_sm_table_entry *sctp_sm_lookup_event( |
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struct net *net, |
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enum sctp_event_type event_type, |
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enum sctp_state state, |
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union sctp_subtype event_subtype) |
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{ |
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switch (event_type) { |
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case SCTP_EVENT_T_CHUNK: |
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return sctp_chunk_event_lookup(net, event_subtype.chunk, state); |
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case SCTP_EVENT_T_TIMEOUT: |
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return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout, |
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timeout_event_table); |
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case SCTP_EVENT_T_OTHER: |
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return DO_LOOKUP(SCTP_EVENT_OTHER_MAX, other, |
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other_event_table); |
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case SCTP_EVENT_T_PRIMITIVE: |
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return DO_LOOKUP(SCTP_EVENT_PRIMITIVE_MAX, primitive, |
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primitive_event_table); |
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default: |
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/* Yikes! We got an illegal event type. */ |
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return &bug; |
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} |
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} |
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#define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} |
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#define TYPE_SCTP_DATA { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_data_6_2), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_data_fast_4_4), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_DATA */ |
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#define TYPE_SCTP_INIT { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_1_siminit), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_2_dupinit), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_reshutack), \ |
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} /* TYPE_SCTP_INIT */ |
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#define TYPE_SCTP_INIT_ACK { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_1C_ack), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_INIT_ACK */ |
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#define TYPE_SCTP_SACK { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_eat_sack_6_2), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_SACK */ |
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#define TYPE_SCTP_HEARTBEAT { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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/* This should not happen, but we are nice. */ \ |
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TYPE_SCTP_FUNC(sctp_sf_beat_8_3), \ |
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} /* TYPE_SCTP_HEARTBEAT */ |
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#define TYPE_SCTP_HEARTBEAT_ACK { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_violation), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_backbeat_8_3), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_HEARTBEAT_ACK */ |
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#define TYPE_SCTP_ABORT { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_cookie_wait_abort), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_abort), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_shutdown_pending_abort), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_shutdown_sent_abort), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_1_abort), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_shutdown_ack_sent_abort), \ |
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} /* TYPE_SCTP_ABORT */ |
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#define TYPE_SCTP_SHUTDOWN { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_SHUTDOWN */ |
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#define TYPE_SCTP_SHUTDOWN_ACK { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_8_5_1_E_sa), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_violation), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_violation), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_violation), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_9_2_final), \ |
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} /* TYPE_SCTP_SHUTDOWN_ACK */ |
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#define TYPE_SCTP_ERROR { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_ootb), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_cookie_echoed_err), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_operr_notify), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_ERROR */ |
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#define TYPE_SCTP_COOKIE_ECHO { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_2_4_dupcook), \ |
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} /* TYPE_SCTP_COOKIE_ECHO */ |
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#define TYPE_SCTP_COOKIE_ACK { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_5_1E_ca), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_COOKIE_ACK */ |
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#define TYPE_SCTP_ECN_ECNE { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecne), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_ECN_ECNE */ |
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#define TYPE_SCTP_ECN_CWR { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_ecn_cwr), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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} /* TYPE_SCTP_ECN_CWR */ |
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#define TYPE_SCTP_SHUTDOWN_COMPLETE { \ |
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/* SCTP_STATE_CLOSED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_WAIT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_COOKIE_ECHOED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_ESTABLISHED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_PENDING */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |
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TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ |
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/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ |
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TYPE_SCTP_FUNC(sctp_sf_do_4_C), \ |
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} /* TYPE_SCTP_SHUTDOWN_COMPLETE */ |
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/* The primary index for this table is the chunk type. |
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* The secondary index for this table is the state. |
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* |
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* For base protocol (RFC 2960). |
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*/ |
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static const struct sctp_sm_table_entry |
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chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = { |
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TYPE_SCTP_DATA, |
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TYPE_SCTP_INIT, |
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TYPE_SCTP_INIT_ACK, |
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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 |
|
pad_chunk_event_table[SCTP_STATE_NUM_STATES] = { |
|
/* 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_discard_chunk), |
|
}; /* chunk pad */ |
|
|
|
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), \ |
|
} |
|
|
|
#define TYPE_SCTP_EVENT_TIMEOUT_PROBE { \ |
|
/* 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_probe), \ |
|
/* 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_PROBE, |
|
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]; |
|
|
|
case SCTP_CID_PAD: |
|
return &pad_chunk_event_table[state]; |
|
} |
|
|
|
return &chunk_event_table_unknown[state]; |
|
}
|
|
|