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