1 /* SCTP kernel reference Implementation 2 * (C) Copyright IBM Corp. 2001, 2004 3 * Copyright (c) 1999-2000 Cisco, Inc. 4 * Copyright (c) 1999-2001 Motorola, Inc. 5 * Copyright (c) 2001 Intel Corp. 6 * 7 * This file is part of the SCTP kernel reference Implementation 8 * 9 * This file is part of the implementation of the add-IP extension, 10 * based on <draft-ietf-tsvwg-addip-sctp-02.txt> June 29, 2001, 11 * for the SCTP kernel reference Implementation. 12 * 13 * This file converts numerical ID value to alphabetical names for SCTP 14 * terms such as chunk type, parameter time, event type, etc. 15 * 16 * The SCTP reference implementation is free software; 17 * you can redistribute it and/or modify it under the terms of 18 * the GNU General Public License as published by 19 * the Free Software Foundation; either version 2, or (at your option) 20 * any later version. 21 * 22 * The SCTP reference implementation is distributed in the hope that it 23 * will be useful, but WITHOUT ANY WARRANTY; without even the implied 24 * ************************ 25 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 26 * See the GNU General Public License for more details. 27 * 28 * You should have received a copy of the GNU General Public License 29 * along with GNU CC; see the file COPYING. If not, write to 30 * the Free Software Foundation, 59 Temple Place - Suite 330, 31 * Boston, MA 02111-1307, USA. 32 * 33 * Please send any bug reports or fixes you make to the 34 * email address(es): 35 * lksctp developers <lksctp-developers@lists.sourceforge.net> 36 * 37 * Or submit a bug report through the following website: 38 * http://www.sf.net/projects/lksctp 39 * 40 * Written or modified by: 41 * La Monte H.P. Yarroll <piggy@acm.org> 42 * Karl Knutson <karl@athena.chicago.il.us> 43 * Xingang Guo <xingang.guo@intel.com> 44 * Jon Grimm <jgrimm@us.ibm.com> 45 * Daisy Chang <daisyc@us.ibm.com> 46 * Sridhar Samudrala <sri@us.ibm.com> 47 * 48 * Any bugs reported given to us we will try to fix... any fixes shared will 49 * be incorporated into the next SCTP release. 50 */ 51 52 #include <net/sctp/sctp.h> 53 54 #if SCTP_DEBUG 55 int sctp_debug_flag = 1; /* Initially enable DEBUG */ 56 #endif /* SCTP_DEBUG */ 57 58 /* These are printable forms of Chunk ID's from section 3.1. */ 59 static const char *sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { 60 "DATA", 61 "INIT", 62 "INIT_ACK", 63 "SACK", 64 "HEARTBEAT", 65 "HEARTBEAT_ACK", 66 "ABORT", 67 "SHUTDOWN", 68 "SHUTDOWN_ACK", 69 "ERROR", 70 "COOKIE_ECHO", 71 "COOKIE_ACK", 72 "ECN_ECNE", 73 "ECN_CWR", 74 "SHUTDOWN_COMPLETE", 75 }; 76 77 /* Lookup "chunk type" debug name. */ 78 const char *sctp_cname(const sctp_subtype_t cid) 79 { 80 if (cid.chunk < 0) 81 return "illegal chunk id"; 82 if (cid.chunk <= SCTP_CID_BASE_MAX) 83 return sctp_cid_tbl[cid.chunk]; 84 85 switch (cid.chunk) { 86 case SCTP_CID_ASCONF: 87 return "ASCONF"; 88 89 case SCTP_CID_ASCONF_ACK: 90 return "ASCONF_ACK"; 91 92 case SCTP_CID_FWD_TSN: 93 return "FWD_TSN"; 94 95 default: 96 break; 97 } 98 99 return "unknown chunk"; 100 } 101 102 /* These are printable forms of the states. */ 103 const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = { 104 "STATE_EMPTY", 105 "STATE_CLOSED", 106 "STATE_COOKIE_WAIT", 107 "STATE_COOKIE_ECHOED", 108 "STATE_ESTABLISHED", 109 "STATE_SHUTDOWN_PENDING", 110 "STATE_SHUTDOWN_SENT", 111 "STATE_SHUTDOWN_RECEIVED", 112 "STATE_SHUTDOWN_ACK_SENT", 113 }; 114 115 /* Events that could change the state of an association. */ 116 const char *sctp_evttype_tbl[] = { 117 "EVENT_T_unknown", 118 "EVENT_T_CHUNK", 119 "EVENT_T_TIMEOUT", 120 "EVENT_T_OTHER", 121 "EVENT_T_PRIMITIVE" 122 }; 123 124 /* Return value of a state function */ 125 const char *sctp_status_tbl[] = { 126 "DISPOSITION_DISCARD", 127 "DISPOSITION_CONSUME", 128 "DISPOSITION_NOMEM", 129 "DISPOSITION_DELETE_TCB", 130 "DISPOSITION_ABORT", 131 "DISPOSITION_VIOLATION", 132 "DISPOSITION_NOT_IMPL", 133 "DISPOSITION_ERROR", 134 "DISPOSITION_BUG" 135 }; 136 137 /* Printable forms of primitives */ 138 static const char *sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { 139 "PRIMITIVE_ASSOCIATE", 140 "PRIMITIVE_SHUTDOWN", 141 "PRIMITIVE_ABORT", 142 "PRIMITIVE_SEND", 143 "PRIMITIVE_REQUESTHEARTBEAT", 144 }; 145 146 /* Lookup primitive debug name. */ 147 const char *sctp_pname(const sctp_subtype_t id) 148 { 149 if (id.primitive < 0) 150 return "illegal primitive"; 151 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) 152 return sctp_primitive_tbl[id.primitive]; 153 return "unknown_primitive"; 154 } 155 156 static const char *sctp_other_tbl[] = { 157 "NO_PENDING_TSN", 158 "ICMP_PROTO_UNREACH", 159 }; 160 161 /* Lookup "other" debug name. */ 162 const char *sctp_oname(const sctp_subtype_t id) 163 { 164 if (id.other < 0) 165 return "illegal 'other' event"; 166 if (id.other <= SCTP_EVENT_OTHER_MAX) 167 return sctp_other_tbl[id.other]; 168 return "unknown 'other' event"; 169 } 170 171 static const char *sctp_timer_tbl[] = { 172 "TIMEOUT_NONE", 173 "TIMEOUT_T1_COOKIE", 174 "TIMEOUT_T1_INIT", 175 "TIMEOUT_T2_SHUTDOWN", 176 "TIMEOUT_T3_RTX", 177 "TIMEOUT_T4_RTO", 178 "TIMEOUT_T5_SHUTDOWN_GUARD", 179 "TIMEOUT_HEARTBEAT", 180 "TIMEOUT_SACK", 181 "TIMEOUT_AUTOCLOSE", 182 }; 183 184 /* Lookup timer debug name. */ 185 const char *sctp_tname(const sctp_subtype_t id) 186 { 187 if (id.timeout < 0) 188 return "illegal 'timer' event"; 189 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) 190 return sctp_timer_tbl[id.timeout]; 191 return "unknown_timer"; 192 } 193