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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_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 *const 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 *const 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 *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { |
136 | "PRIMITIVE_ASSOCIATE", |
137 | "PRIMITIVE_SHUTDOWN", |
138 | "PRIMITIVE_ABORT", |
139 | "PRIMITIVE_SEND", |
140 | "PRIMITIVE_REQUESTHEARTBEAT", |
141 | "PRIMITIVE_ASCONF", |
142 | }; |
143 | |
144 | /* Lookup primitive debug name. */ |
145 | const char *sctp_pname(const sctp_subtype_t id) |
146 | { |
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 *const sctp_other_tbl[] = { |
153 | "NO_PENDING_TSN", |
154 | "ICMP_PROTO_UNREACH", |
155 | }; |
156 | |
157 | /* Lookup "other" debug name. */ |
158 | const char *sctp_oname(const sctp_subtype_t id) |
159 | { |
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 *const 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 | { |
181 | if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) |
182 | return sctp_timer_tbl[id.timeout]; |
183 | return "unknown_timer"; |
184 | } |
185 |
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