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 <linux-sctp@vger.kernel.org> 32 * 33 * Written or modified by: 34 * La Monte H.P. Yarroll <piggy@acm.org> 35 * Karl Knutson <karl@athena.chicago.il.us> 36 * Xingang Guo <xingang.guo@intel.com> 37 * Jon Grimm <jgrimm@us.ibm.com> 38 * Daisy Chang <daisyc@us.ibm.com> 39 * Sridhar Samudrala <sri@us.ibm.com> 40 */ 41 42 #include <net/sctp/sctp.h> 43 44 /* These are printable forms of Chunk ID's from section 3.1. */ 45 static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { 46 "DATA", 47 "INIT", 48 "INIT_ACK", 49 "SACK", 50 "HEARTBEAT", 51 "HEARTBEAT_ACK", 52 "ABORT", 53 "SHUTDOWN", 54 "SHUTDOWN_ACK", 55 "ERROR", 56 "COOKIE_ECHO", 57 "COOKIE_ACK", 58 "ECN_ECNE", 59 "ECN_CWR", 60 "SHUTDOWN_COMPLETE", 61 }; 62 63 /* Lookup "chunk type" debug name. */ 64 const char *sctp_cname(const sctp_subtype_t cid) 65 { 66 if (cid.chunk <= SCTP_CID_BASE_MAX) 67 return sctp_cid_tbl[cid.chunk]; 68 69 switch (cid.chunk) { 70 case SCTP_CID_ASCONF: 71 return "ASCONF"; 72 73 case SCTP_CID_ASCONF_ACK: 74 return "ASCONF_ACK"; 75 76 case SCTP_CID_FWD_TSN: 77 return "FWD_TSN"; 78 79 case SCTP_CID_AUTH: 80 return "AUTH"; 81 82 default: 83 break; 84 } 85 86 return "unknown chunk"; 87 } 88 89 /* These are printable forms of the states. */ 90 const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { 91 "STATE_CLOSED", 92 "STATE_COOKIE_WAIT", 93 "STATE_COOKIE_ECHOED", 94 "STATE_ESTABLISHED", 95 "STATE_SHUTDOWN_PENDING", 96 "STATE_SHUTDOWN_SENT", 97 "STATE_SHUTDOWN_RECEIVED", 98 "STATE_SHUTDOWN_ACK_SENT", 99 }; 100 101 /* Events that could change the state of an association. */ 102 const char *const sctp_evttype_tbl[] = { 103 "EVENT_T_unknown", 104 "EVENT_T_CHUNK", 105 "EVENT_T_TIMEOUT", 106 "EVENT_T_OTHER", 107 "EVENT_T_PRIMITIVE" 108 }; 109 110 /* Return value of a state function */ 111 const char *const sctp_status_tbl[] = { 112 "DISPOSITION_DISCARD", 113 "DISPOSITION_CONSUME", 114 "DISPOSITION_NOMEM", 115 "DISPOSITION_DELETE_TCB", 116 "DISPOSITION_ABORT", 117 "DISPOSITION_VIOLATION", 118 "DISPOSITION_NOT_IMPL", 119 "DISPOSITION_ERROR", 120 "DISPOSITION_BUG" 121 }; 122 123 /* Printable forms of primitives */ 124 static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { 125 "PRIMITIVE_ASSOCIATE", 126 "PRIMITIVE_SHUTDOWN", 127 "PRIMITIVE_ABORT", 128 "PRIMITIVE_SEND", 129 "PRIMITIVE_REQUESTHEARTBEAT", 130 "PRIMITIVE_ASCONF", 131 }; 132 133 /* Lookup primitive debug name. */ 134 const char *sctp_pname(const sctp_subtype_t id) 135 { 136 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) 137 return sctp_primitive_tbl[id.primitive]; 138 return "unknown_primitive"; 139 } 140 141 static const char *const sctp_other_tbl[] = { 142 "NO_PENDING_TSN", 143 "ICMP_PROTO_UNREACH", 144 }; 145 146 /* Lookup "other" debug name. */ 147 const char *sctp_oname(const sctp_subtype_t id) 148 { 149 if (id.other <= SCTP_EVENT_OTHER_MAX) 150 return sctp_other_tbl[id.other]; 151 return "unknown 'other' event"; 152 } 153 154 static const char *const sctp_timer_tbl[] = { 155 "TIMEOUT_NONE", 156 "TIMEOUT_T1_COOKIE", 157 "TIMEOUT_T1_INIT", 158 "TIMEOUT_T2_SHUTDOWN", 159 "TIMEOUT_T3_RTX", 160 "TIMEOUT_T4_RTO", 161 "TIMEOUT_T5_SHUTDOWN_GUARD", 162 "TIMEOUT_HEARTBEAT", 163 "TIMEOUT_SACK", 164 "TIMEOUT_AUTOCLOSE", 165 }; 166 167 /* Lookup timer debug name. */ 168 const char *sctp_tname(const sctp_subtype_t id) 169 { 170 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) 171 return sctp_timer_tbl[id.timeout]; 172 return "unknown_timer"; 173 } 174