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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 | 24 | * You should have received a copy of the GNU General Public License |
4b2f13a2 JK |
25 | * along with GNU CC; see the file COPYING. If not, see |
26 | * <http://www.gnu.org/licenses/>. | |
d808ad9a | 27 | * |
1da177e4 LT |
28 | * Please send any bug reports or fixes you make to the |
29 | * email address(es): | |
91705c61 | 30 | * lksctp developers <linux-sctp@vger.kernel.org> |
d808ad9a | 31 | * |
d808ad9a | 32 | * Written or modified by: |
1da177e4 LT |
33 | * La Monte H.P. Yarroll <piggy@acm.org> |
34 | * Karl Knutson <karl@athena.chicago.il.us> | |
35 | * Xingang Guo <xingang.guo@intel.com> | |
36 | * Jon Grimm <jgrimm@us.ibm.com> | |
37 | * Daisy Chang <daisyc@us.ibm.com> | |
38 | * Sridhar Samudrala <sri@us.ibm.com> | |
1da177e4 LT |
39 | */ |
40 | ||
41 | #include <net/sctp/sctp.h> | |
42 | ||
1da177e4 | 43 | /* These are printable forms of Chunk ID's from section 3.1. */ |
36cbd3dc | 44 | static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { |
1da177e4 LT |
45 | "DATA", |
46 | "INIT", | |
47 | "INIT_ACK", | |
48 | "SACK", | |
49 | "HEARTBEAT", | |
50 | "HEARTBEAT_ACK", | |
51 | "ABORT", | |
52 | "SHUTDOWN", | |
53 | "SHUTDOWN_ACK", | |
54 | "ERROR", | |
55 | "COOKIE_ECHO", | |
56 | "COOKIE_ACK", | |
57 | "ECN_ECNE", | |
58 | "ECN_CWR", | |
59 | "SHUTDOWN_COMPLETE", | |
60 | }; | |
61 | ||
62 | /* Lookup "chunk type" debug name. */ | |
bfc6f827 | 63 | const char *sctp_cname(const union sctp_subtype cid) |
1da177e4 | 64 | { |
1da177e4 LT |
65 | if (cid.chunk <= SCTP_CID_BASE_MAX) |
66 | return sctp_cid_tbl[cid.chunk]; | |
d808ad9a | 67 | |
1da177e4 LT |
68 | switch (cid.chunk) { |
69 | case SCTP_CID_ASCONF: | |
70 | return "ASCONF"; | |
71 | ||
72 | case SCTP_CID_ASCONF_ACK: | |
73 | return "ASCONF_ACK"; | |
74 | ||
75 | case SCTP_CID_FWD_TSN: | |
76 | return "FWD_TSN"; | |
77 | ||
906f8257 WY |
78 | case SCTP_CID_AUTH: |
79 | return "AUTH"; | |
80 | ||
d1969759 XL |
81 | case SCTP_CID_RECONF: |
82 | return "RECONF"; | |
83 | ||
947820b9 XL |
84 | case SCTP_CID_I_DATA: |
85 | return "I_DATA"; | |
86 | ||
87 | case SCTP_CID_I_FWD_TSN: | |
88 | return "I_FWD_TSN"; | |
89 | ||
1da177e4 | 90 | default: |
3ff50b79 SH |
91 | break; |
92 | } | |
93 | ||
1da177e4 LT |
94 | return "unknown chunk"; |
95 | } | |
96 | ||
97 | /* These are printable forms of the states. */ | |
36cbd3dc | 98 | const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { |
1da177e4 LT |
99 | "STATE_CLOSED", |
100 | "STATE_COOKIE_WAIT", | |
101 | "STATE_COOKIE_ECHOED", | |
102 | "STATE_ESTABLISHED", | |
103 | "STATE_SHUTDOWN_PENDING", | |
104 | "STATE_SHUTDOWN_SENT", | |
105 | "STATE_SHUTDOWN_RECEIVED", | |
106 | "STATE_SHUTDOWN_ACK_SENT", | |
107 | }; | |
108 | ||
109 | /* Events that could change the state of an association. */ | |
36cbd3dc | 110 | const char *const sctp_evttype_tbl[] = { |
1da177e4 LT |
111 | "EVENT_T_unknown", |
112 | "EVENT_T_CHUNK", | |
113 | "EVENT_T_TIMEOUT", | |
114 | "EVENT_T_OTHER", | |
115 | "EVENT_T_PRIMITIVE" | |
116 | }; | |
117 | ||
118 | /* Return value of a state function */ | |
36cbd3dc | 119 | const char *const sctp_status_tbl[] = { |
1da177e4 LT |
120 | "DISPOSITION_DISCARD", |
121 | "DISPOSITION_CONSUME", | |
122 | "DISPOSITION_NOMEM", | |
123 | "DISPOSITION_DELETE_TCB", | |
124 | "DISPOSITION_ABORT", | |
125 | "DISPOSITION_VIOLATION", | |
126 | "DISPOSITION_NOT_IMPL", | |
127 | "DISPOSITION_ERROR", | |
128 | "DISPOSITION_BUG" | |
129 | }; | |
130 | ||
131 | /* Printable forms of primitives */ | |
36cbd3dc | 132 | static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { |
1da177e4 LT |
133 | "PRIMITIVE_ASSOCIATE", |
134 | "PRIMITIVE_SHUTDOWN", | |
135 | "PRIMITIVE_ABORT", | |
136 | "PRIMITIVE_SEND", | |
137 | "PRIMITIVE_REQUESTHEARTBEAT", | |
906f8257 | 138 | "PRIMITIVE_ASCONF", |
1da177e4 LT |
139 | }; |
140 | ||
141 | /* Lookup primitive debug name. */ | |
bfc6f827 | 142 | const char *sctp_pname(const union sctp_subtype id) |
1da177e4 | 143 | { |
1da177e4 LT |
144 | if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) |
145 | return sctp_primitive_tbl[id.primitive]; | |
146 | return "unknown_primitive"; | |
147 | } | |
148 | ||
36cbd3dc | 149 | static const char *const sctp_other_tbl[] = { |
1da177e4 | 150 | "NO_PENDING_TSN", |
d808ad9a | 151 | "ICMP_PROTO_UNREACH", |
1da177e4 LT |
152 | }; |
153 | ||
154 | /* Lookup "other" debug name. */ | |
bfc6f827 | 155 | const char *sctp_oname(const union sctp_subtype id) |
1da177e4 | 156 | { |
1da177e4 LT |
157 | if (id.other <= SCTP_EVENT_OTHER_MAX) |
158 | return sctp_other_tbl[id.other]; | |
159 | return "unknown 'other' event"; | |
160 | } | |
161 | ||
36cbd3dc | 162 | static const char *const sctp_timer_tbl[] = { |
1da177e4 LT |
163 | "TIMEOUT_NONE", |
164 | "TIMEOUT_T1_COOKIE", | |
165 | "TIMEOUT_T1_INIT", | |
166 | "TIMEOUT_T2_SHUTDOWN", | |
167 | "TIMEOUT_T3_RTX", | |
168 | "TIMEOUT_T4_RTO", | |
169 | "TIMEOUT_T5_SHUTDOWN_GUARD", | |
170 | "TIMEOUT_HEARTBEAT", | |
14640869 | 171 | "TIMEOUT_RECONF", |
1da177e4 LT |
172 | "TIMEOUT_SACK", |
173 | "TIMEOUT_AUTOCLOSE", | |
174 | }; | |
175 | ||
176 | /* Lookup timer debug name. */ | |
bfc6f827 | 177 | const char *sctp_tname(const union sctp_subtype id) |
1da177e4 | 178 | { |
14640869 CIK |
179 | BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 1 != ARRAY_SIZE(sctp_timer_tbl)); |
180 | ||
181 | if (id.timeout < ARRAY_SIZE(sctp_timer_tbl)) | |
1da177e4 LT |
182 | return sctp_timer_tbl[id.timeout]; |
183 | return "unknown_timer"; | |
184 | } |