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47505b8b | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
60c778b2 | 2 | /* SCTP kernel implementation |
1da177e4 LT |
3 | * (C) Copyright IBM Corp. 2001, 2004 |
4 | * Copyright (c) 1999-2000 Cisco, Inc. | |
5 | * Copyright (c) 1999-2001 Motorola, Inc. | |
6 | * Copyright (c) 2001 Intel Corp. | |
d808ad9a | 7 | * |
60c778b2 | 8 | * This file is part of the SCTP kernel implementation |
d808ad9a | 9 | * |
1da177e4 LT |
10 | * This file converts numerical ID value to alphabetical names for SCTP |
11 | * terms such as chunk type, parameter time, event type, etc. | |
d808ad9a | 12 | * |
1da177e4 LT |
13 | * Please send any bug reports or fixes you make to the |
14 | * email address(es): | |
91705c61 | 15 | * lksctp developers <linux-sctp@vger.kernel.org> |
d808ad9a | 16 | * |
d808ad9a | 17 | * Written or modified by: |
1da177e4 LT |
18 | * La Monte H.P. Yarroll <piggy@acm.org> |
19 | * Karl Knutson <karl@athena.chicago.il.us> | |
20 | * Xingang Guo <xingang.guo@intel.com> | |
21 | * Jon Grimm <jgrimm@us.ibm.com> | |
22 | * Daisy Chang <daisyc@us.ibm.com> | |
23 | * Sridhar Samudrala <sri@us.ibm.com> | |
1da177e4 LT |
24 | */ |
25 | ||
26 | #include <net/sctp/sctp.h> | |
27 | ||
1da177e4 | 28 | /* These are printable forms of Chunk ID's from section 3.1. */ |
36cbd3dc | 29 | static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { |
1da177e4 LT |
30 | "DATA", |
31 | "INIT", | |
32 | "INIT_ACK", | |
33 | "SACK", | |
34 | "HEARTBEAT", | |
35 | "HEARTBEAT_ACK", | |
36 | "ABORT", | |
37 | "SHUTDOWN", | |
38 | "SHUTDOWN_ACK", | |
39 | "ERROR", | |
40 | "COOKIE_ECHO", | |
41 | "COOKIE_ACK", | |
42 | "ECN_ECNE", | |
43 | "ECN_CWR", | |
44 | "SHUTDOWN_COMPLETE", | |
45 | }; | |
46 | ||
47 | /* Lookup "chunk type" debug name. */ | |
bfc6f827 | 48 | const char *sctp_cname(const union sctp_subtype cid) |
1da177e4 | 49 | { |
1da177e4 LT |
50 | if (cid.chunk <= SCTP_CID_BASE_MAX) |
51 | return sctp_cid_tbl[cid.chunk]; | |
d808ad9a | 52 | |
1da177e4 LT |
53 | switch (cid.chunk) { |
54 | case SCTP_CID_ASCONF: | |
55 | return "ASCONF"; | |
56 | ||
57 | case SCTP_CID_ASCONF_ACK: | |
58 | return "ASCONF_ACK"; | |
59 | ||
60 | case SCTP_CID_FWD_TSN: | |
61 | return "FWD_TSN"; | |
62 | ||
906f8257 WY |
63 | case SCTP_CID_AUTH: |
64 | return "AUTH"; | |
65 | ||
d1969759 XL |
66 | case SCTP_CID_RECONF: |
67 | return "RECONF"; | |
68 | ||
947820b9 XL |
69 | case SCTP_CID_I_DATA: |
70 | return "I_DATA"; | |
71 | ||
72 | case SCTP_CID_I_FWD_TSN: | |
73 | return "I_FWD_TSN"; | |
74 | ||
1da177e4 | 75 | default: |
3ff50b79 SH |
76 | break; |
77 | } | |
78 | ||
1da177e4 LT |
79 | return "unknown chunk"; |
80 | } | |
81 | ||
82 | /* These are printable forms of the states. */ | |
36cbd3dc | 83 | const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { |
1da177e4 LT |
84 | "STATE_CLOSED", |
85 | "STATE_COOKIE_WAIT", | |
86 | "STATE_COOKIE_ECHOED", | |
87 | "STATE_ESTABLISHED", | |
88 | "STATE_SHUTDOWN_PENDING", | |
89 | "STATE_SHUTDOWN_SENT", | |
90 | "STATE_SHUTDOWN_RECEIVED", | |
91 | "STATE_SHUTDOWN_ACK_SENT", | |
92 | }; | |
93 | ||
94 | /* Events that could change the state of an association. */ | |
36cbd3dc | 95 | const char *const sctp_evttype_tbl[] = { |
1da177e4 LT |
96 | "EVENT_T_unknown", |
97 | "EVENT_T_CHUNK", | |
98 | "EVENT_T_TIMEOUT", | |
99 | "EVENT_T_OTHER", | |
100 | "EVENT_T_PRIMITIVE" | |
101 | }; | |
102 | ||
103 | /* Return value of a state function */ | |
36cbd3dc | 104 | const char *const sctp_status_tbl[] = { |
1da177e4 LT |
105 | "DISPOSITION_DISCARD", |
106 | "DISPOSITION_CONSUME", | |
107 | "DISPOSITION_NOMEM", | |
108 | "DISPOSITION_DELETE_TCB", | |
109 | "DISPOSITION_ABORT", | |
110 | "DISPOSITION_VIOLATION", | |
111 | "DISPOSITION_NOT_IMPL", | |
112 | "DISPOSITION_ERROR", | |
113 | "DISPOSITION_BUG" | |
114 | }; | |
115 | ||
116 | /* Printable forms of primitives */ | |
36cbd3dc | 117 | static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { |
1da177e4 LT |
118 | "PRIMITIVE_ASSOCIATE", |
119 | "PRIMITIVE_SHUTDOWN", | |
120 | "PRIMITIVE_ABORT", | |
121 | "PRIMITIVE_SEND", | |
122 | "PRIMITIVE_REQUESTHEARTBEAT", | |
906f8257 | 123 | "PRIMITIVE_ASCONF", |
1da177e4 LT |
124 | }; |
125 | ||
126 | /* Lookup primitive debug name. */ | |
bfc6f827 | 127 | const char *sctp_pname(const union sctp_subtype id) |
1da177e4 | 128 | { |
1da177e4 LT |
129 | if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) |
130 | return sctp_primitive_tbl[id.primitive]; | |
131 | return "unknown_primitive"; | |
132 | } | |
133 | ||
36cbd3dc | 134 | static const char *const sctp_other_tbl[] = { |
1da177e4 | 135 | "NO_PENDING_TSN", |
d808ad9a | 136 | "ICMP_PROTO_UNREACH", |
1da177e4 LT |
137 | }; |
138 | ||
139 | /* Lookup "other" debug name. */ | |
bfc6f827 | 140 | const char *sctp_oname(const union sctp_subtype id) |
1da177e4 | 141 | { |
1da177e4 LT |
142 | if (id.other <= SCTP_EVENT_OTHER_MAX) |
143 | return sctp_other_tbl[id.other]; | |
144 | return "unknown 'other' event"; | |
145 | } | |
146 | ||
36cbd3dc | 147 | static const char *const sctp_timer_tbl[] = { |
1da177e4 LT |
148 | "TIMEOUT_NONE", |
149 | "TIMEOUT_T1_COOKIE", | |
150 | "TIMEOUT_T1_INIT", | |
151 | "TIMEOUT_T2_SHUTDOWN", | |
152 | "TIMEOUT_T3_RTX", | |
153 | "TIMEOUT_T4_RTO", | |
154 | "TIMEOUT_T5_SHUTDOWN_GUARD", | |
155 | "TIMEOUT_HEARTBEAT", | |
14640869 | 156 | "TIMEOUT_RECONF", |
1da177e4 LT |
157 | "TIMEOUT_SACK", |
158 | "TIMEOUT_AUTOCLOSE", | |
159 | }; | |
160 | ||
161 | /* Lookup timer debug name. */ | |
bfc6f827 | 162 | const char *sctp_tname(const union sctp_subtype id) |
1da177e4 | 163 | { |
14640869 CIK |
164 | BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 1 != ARRAY_SIZE(sctp_timer_tbl)); |
165 | ||
166 | if (id.timeout < ARRAY_SIZE(sctp_timer_tbl)) | |
1da177e4 LT |
167 | return sctp_timer_tbl[id.timeout]; |
168 | return "unknown_timer"; | |
169 | } |