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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. | |
d808ad9a | 6 | * |
1da177e4 | 7 | * This file is part of the SCTP kernel reference Implementation |
d808ad9a | 8 | * |
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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. | |
d808ad9a | 12 | * |
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13 | * This file converts numerical ID value to alphabetical names for SCTP |
14 | * terms such as chunk type, parameter time, event type, etc. | |
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15 | * |
16 | * The SCTP reference implementation is free software; | |
17 | * you can redistribute it and/or modify it under the terms of | |
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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. | |
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21 | * |
22 | * The SCTP reference implementation is distributed in the hope that it | |
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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. | |
d808ad9a | 27 | * |
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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, | |
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31 | * Boston, MA 02111-1307, USA. |
32 | * | |
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33 | * Please send any bug reports or fixes you make to the |
34 | * email address(es): | |
35 | * lksctp developers <lksctp-developers@lists.sourceforge.net> | |
d808ad9a | 36 | * |
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37 | * Or submit a bug report through the following website: |
38 | * http://www.sf.net/projects/lksctp | |
39 | * | |
d808ad9a | 40 | * Written or modified by: |
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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> | |
d808ad9a | 47 | * |
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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]; | |
d808ad9a | 84 | |
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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: | |
3ff50b79 SH |
96 | break; |
97 | } | |
98 | ||
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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", | |
d808ad9a | 158 | "ICMP_PROTO_UNREACH", |
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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 | } |