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 /* These are printable forms of Chunk ID's from section 3.1. */ 51 static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { 52 "DATA", 53 "INIT", 54 "INIT_ACK", 55 "SACK", 56 "HEARTBEAT", 57 "HEARTBEAT_ACK", 58 "ABORT", 59 "SHUTDOWN", 60 "SHUTDOWN_ACK", 61 "ERROR", 62 "COOKIE_ECHO", 63 "COOKIE_ACK", 64 "ECN_ECNE", 65 "ECN_CWR", 66 "SHUTDOWN_COMPLETE", 67 }; 68 69 /* Lookup "chunk type" debug name. */ 70 const char *sctp_cname(const sctp_subtype_t cid) 71 { 72 if (cid.chunk <= SCTP_CID_BASE_MAX) 73 return sctp_cid_tbl[cid.chunk]; 74 75 switch (cid.chunk) { 76 case SCTP_CID_ASCONF: 77 return "ASCONF"; 78 79 case SCTP_CID_ASCONF_ACK: 80 return "ASCONF_ACK"; 81 82 case SCTP_CID_FWD_TSN: 83 return "FWD_TSN"; 84 85 case SCTP_CID_AUTH: 86 return "AUTH"; 87 88 default: 89 break; 90 } 91 92 return "unknown chunk"; 93 } 94 95 /* These are printable forms of the states. */ 96 const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { 97 "STATE_CLOSED", 98 "STATE_COOKIE_WAIT", 99 "STATE_COOKIE_ECHOED", 100 "STATE_ESTABLISHED", 101 "STATE_SHUTDOWN_PENDING", 102 "STATE_SHUTDOWN_SENT", 103 "STATE_SHUTDOWN_RECEIVED", 104 "STATE_SHUTDOWN_ACK_SENT", 105 }; 106 107 /* Events that could change the state of an association. */ 108 const char *const sctp_evttype_tbl[] = { 109 "EVENT_T_unknown", 110 "EVENT_T_CHUNK", 111 "EVENT_T_TIMEOUT", 112 "EVENT_T_OTHER", 113 "EVENT_T_PRIMITIVE" 114 }; 115 116 /* Return value of a state function */ 117 const char *const sctp_status_tbl[] = { 118 "DISPOSITION_DISCARD", 119 "DISPOSITION_CONSUME", 120 "DISPOSITION_NOMEM", 121 "DISPOSITION_DELETE_TCB", 122 "DISPOSITION_ABORT", 123 "DISPOSITION_VIOLATION", 124 "DISPOSITION_NOT_IMPL", 125 "DISPOSITION_ERROR", 126 "DISPOSITION_BUG" 127 }; 128 129 /* Printable forms of primitives */ 130 static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { 131 "PRIMITIVE_ASSOCIATE", 132 "PRIMITIVE_SHUTDOWN", 133 "PRIMITIVE_ABORT", 134 "PRIMITIVE_SEND", 135 "PRIMITIVE_REQUESTHEARTBEAT", 136 "PRIMITIVE_ASCONF", 137 }; 138 139 /* Lookup primitive debug name. */ 140 const char *sctp_pname(const sctp_subtype_t id) 141 { 142 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) 143 return sctp_primitive_tbl[id.primitive]; 144 return "unknown_primitive"; 145 } 146 147 static const char *const sctp_other_tbl[] = { 148 "NO_PENDING_TSN", 149 "ICMP_PROTO_UNREACH", 150 }; 151 152 /* Lookup "other" debug name. */ 153 const char *sctp_oname(const sctp_subtype_t id) 154 { 155 if (id.other <= SCTP_EVENT_OTHER_MAX) 156 return sctp_other_tbl[id.other]; 157 return "unknown 'other' event"; 158 } 159 160 static const char *const sctp_timer_tbl[] = { 161 "TIMEOUT_NONE", 162 "TIMEOUT_T1_COOKIE", 163 "TIMEOUT_T1_INIT", 164 "TIMEOUT_T2_SHUTDOWN", 165 "TIMEOUT_T3_RTX", 166 "TIMEOUT_T4_RTO", 167 "TIMEOUT_T5_SHUTDOWN_GUARD", 168 "TIMEOUT_HEARTBEAT", 169 "TIMEOUT_SACK", 170 "TIMEOUT_AUTOCLOSE", 171 }; 172 173 /* Lookup timer debug name. */ 174 const char *sctp_tname(const sctp_subtype_t id) 175 { 176 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) 177 return sctp_timer_tbl[id.timeout]; 178 return "unknown_timer"; 179 } 180