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60c778b2 | 1 | /* SCTP kernel implementation |
1da177e4 LT |
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 | * |
60c778b2 | 7 | * This file is part of the SCTP kernel implementation |
d808ad9a | 8 | * |
1da177e4 LT |
9 | * This file converts numerical ID value to alphabetical names for SCTP |
10 | * terms such as chunk type, parameter time, event type, etc. | |
d808ad9a | 11 | * |
60c778b2 | 12 | * This SCTP implementation is free software; |
d808ad9a | 13 | * you can redistribute it and/or modify it under the terms of |
1da177e4 LT |
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. | |
d808ad9a | 17 | * |
60c778b2 | 18 | * This SCTP implementation is distributed in the hope that it |
1da177e4 LT |
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. | |
d808ad9a | 23 | * |
1da177e4 LT |
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, | |
d808ad9a YH |
27 | * Boston, MA 02111-1307, USA. |
28 | * | |
1da177e4 LT |
29 | * Please send any bug reports or fixes you make to the |
30 | * email address(es): | |
31 | * lksctp developers <lksctp-developers@lists.sourceforge.net> | |
d808ad9a | 32 | * |
1da177e4 LT |
33 | * Or submit a bug report through the following website: |
34 | * http://www.sf.net/projects/lksctp | |
35 | * | |
d808ad9a | 36 | * Written or modified by: |
1da177e4 LT |
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> | |
d808ad9a | 43 | * |
1da177e4 LT |
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 *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 | { | |
1da177e4 LT |
76 | if (cid.chunk <= SCTP_CID_BASE_MAX) |
77 | return sctp_cid_tbl[cid.chunk]; | |
d808ad9a | 78 | |
1da177e4 LT |
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 | ||
906f8257 WY |
89 | case SCTP_CID_AUTH: |
90 | return "AUTH"; | |
91 | ||
1da177e4 | 92 | default: |
3ff50b79 SH |
93 | break; |
94 | } | |
95 | ||
1da177e4 LT |
96 | return "unknown chunk"; |
97 | } | |
98 | ||
99 | /* These are printable forms of the states. */ | |
100 | const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = { | |
101 | "STATE_EMPTY", | |
102 | "STATE_CLOSED", | |
103 | "STATE_COOKIE_WAIT", | |
104 | "STATE_COOKIE_ECHOED", | |
105 | "STATE_ESTABLISHED", | |
106 | "STATE_SHUTDOWN_PENDING", | |
107 | "STATE_SHUTDOWN_SENT", | |
108 | "STATE_SHUTDOWN_RECEIVED", | |
109 | "STATE_SHUTDOWN_ACK_SENT", | |
110 | }; | |
111 | ||
112 | /* Events that could change the state of an association. */ | |
113 | const char *sctp_evttype_tbl[] = { | |
114 | "EVENT_T_unknown", | |
115 | "EVENT_T_CHUNK", | |
116 | "EVENT_T_TIMEOUT", | |
117 | "EVENT_T_OTHER", | |
118 | "EVENT_T_PRIMITIVE" | |
119 | }; | |
120 | ||
121 | /* Return value of a state function */ | |
122 | const char *sctp_status_tbl[] = { | |
123 | "DISPOSITION_DISCARD", | |
124 | "DISPOSITION_CONSUME", | |
125 | "DISPOSITION_NOMEM", | |
126 | "DISPOSITION_DELETE_TCB", | |
127 | "DISPOSITION_ABORT", | |
128 | "DISPOSITION_VIOLATION", | |
129 | "DISPOSITION_NOT_IMPL", | |
130 | "DISPOSITION_ERROR", | |
131 | "DISPOSITION_BUG" | |
132 | }; | |
133 | ||
134 | /* Printable forms of primitives */ | |
135 | static const char *sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { | |
136 | "PRIMITIVE_ASSOCIATE", | |
137 | "PRIMITIVE_SHUTDOWN", | |
138 | "PRIMITIVE_ABORT", | |
139 | "PRIMITIVE_SEND", | |
140 | "PRIMITIVE_REQUESTHEARTBEAT", | |
906f8257 | 141 | "PRIMITIVE_ASCONF", |
1da177e4 LT |
142 | }; |
143 | ||
144 | /* Lookup primitive debug name. */ | |
145 | const char *sctp_pname(const sctp_subtype_t id) | |
146 | { | |
1da177e4 LT |
147 | if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) |
148 | return sctp_primitive_tbl[id.primitive]; | |
149 | return "unknown_primitive"; | |
150 | } | |
151 | ||
152 | static const char *sctp_other_tbl[] = { | |
153 | "NO_PENDING_TSN", | |
d808ad9a | 154 | "ICMP_PROTO_UNREACH", |
1da177e4 LT |
155 | }; |
156 | ||
157 | /* Lookup "other" debug name. */ | |
158 | const char *sctp_oname(const sctp_subtype_t id) | |
159 | { | |
1da177e4 LT |
160 | if (id.other <= SCTP_EVENT_OTHER_MAX) |
161 | return sctp_other_tbl[id.other]; | |
162 | return "unknown 'other' event"; | |
163 | } | |
164 | ||
165 | static const char *sctp_timer_tbl[] = { | |
166 | "TIMEOUT_NONE", | |
167 | "TIMEOUT_T1_COOKIE", | |
168 | "TIMEOUT_T1_INIT", | |
169 | "TIMEOUT_T2_SHUTDOWN", | |
170 | "TIMEOUT_T3_RTX", | |
171 | "TIMEOUT_T4_RTO", | |
172 | "TIMEOUT_T5_SHUTDOWN_GUARD", | |
173 | "TIMEOUT_HEARTBEAT", | |
174 | "TIMEOUT_SACK", | |
175 | "TIMEOUT_AUTOCLOSE", | |
176 | }; | |
177 | ||
178 | /* Lookup timer debug name. */ | |
179 | const char *sctp_tname(const sctp_subtype_t id) | |
180 | { | |
1da177e4 LT |
181 | if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) |
182 | return sctp_timer_tbl[id.timeout]; | |
183 | return "unknown_timer"; | |
184 | } |