1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* SCTP kernel implementation 2 /* SCTP kernel implementation
3 * (C) Copyright IBM Corp. 2001, 2004 3 * (C) Copyright IBM Corp. 2001, 2004
4 * Copyright (c) 1999-2000 Cisco, Inc. 4 * Copyright (c) 1999-2000 Cisco, Inc.
5 * Copyright (c) 1999-2001 Motorola, Inc. 5 * Copyright (c) 1999-2001 Motorola, Inc.
6 * Copyright (c) 2001 Intel Corp. 6 * Copyright (c) 2001 Intel Corp.
7 * 7 *
8 * This file is part of the SCTP kernel implem 8 * This file is part of the SCTP kernel implementation
9 * 9 *
10 * This file converts numerical ID value to al 10 * This file converts numerical ID value to alphabetical names for SCTP
11 * terms such as chunk type, parameter time, e 11 * terms such as chunk type, parameter time, event type, etc.
12 * 12 *
13 * Please send any bug reports or fixes you ma 13 * Please send any bug reports or fixes you make to the
14 * email address(es): 14 * email address(es):
15 * lksctp developers <linux-sctp@vger.kerne 15 * lksctp developers <linux-sctp@vger.kernel.org>
16 * 16 *
17 * Written or modified by: 17 * Written or modified by:
18 * La Monte H.P. Yarroll <piggy@acm.org> 18 * La Monte H.P. Yarroll <piggy@acm.org>
19 * Karl Knutson <karl@athena.chica 19 * Karl Knutson <karl@athena.chicago.il.us>
20 * Xingang Guo <xingang.guo@intel 20 * Xingang Guo <xingang.guo@intel.com>
21 * Jon Grimm <jgrimm@us.ibm.com 21 * Jon Grimm <jgrimm@us.ibm.com>
22 * Daisy Chang <daisyc@us.ibm.com 22 * Daisy Chang <daisyc@us.ibm.com>
23 * Sridhar Samudrala <sri@us.ibm.com> 23 * Sridhar Samudrala <sri@us.ibm.com>
24 */ 24 */
25 25
26 #include <net/sctp/sctp.h> 26 #include <net/sctp/sctp.h>
27 27
28 /* These are printable forms of Chunk ID's fro 28 /* These are printable forms of Chunk ID's from section 3.1. */
29 static const char *const sctp_cid_tbl[SCTP_NUM 29 static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
30 "DATA", 30 "DATA",
31 "INIT", 31 "INIT",
32 "INIT_ACK", 32 "INIT_ACK",
33 "SACK", 33 "SACK",
34 "HEARTBEAT", 34 "HEARTBEAT",
35 "HEARTBEAT_ACK", 35 "HEARTBEAT_ACK",
36 "ABORT", 36 "ABORT",
37 "SHUTDOWN", 37 "SHUTDOWN",
38 "SHUTDOWN_ACK", 38 "SHUTDOWN_ACK",
39 "ERROR", 39 "ERROR",
40 "COOKIE_ECHO", 40 "COOKIE_ECHO",
41 "COOKIE_ACK", 41 "COOKIE_ACK",
42 "ECN_ECNE", 42 "ECN_ECNE",
43 "ECN_CWR", 43 "ECN_CWR",
44 "SHUTDOWN_COMPLETE", 44 "SHUTDOWN_COMPLETE",
45 }; 45 };
46 46
47 /* Lookup "chunk type" debug name. */ 47 /* Lookup "chunk type" debug name. */
48 const char *sctp_cname(const union sctp_subtyp 48 const char *sctp_cname(const union sctp_subtype cid)
49 { 49 {
50 if (cid.chunk <= SCTP_CID_BASE_MAX) 50 if (cid.chunk <= SCTP_CID_BASE_MAX)
51 return sctp_cid_tbl[cid.chunk] 51 return sctp_cid_tbl[cid.chunk];
52 52
53 switch (cid.chunk) { 53 switch (cid.chunk) {
54 case SCTP_CID_ASCONF: 54 case SCTP_CID_ASCONF:
55 return "ASCONF"; 55 return "ASCONF";
56 56
57 case SCTP_CID_ASCONF_ACK: 57 case SCTP_CID_ASCONF_ACK:
58 return "ASCONF_ACK"; 58 return "ASCONF_ACK";
59 59
60 case SCTP_CID_FWD_TSN: 60 case SCTP_CID_FWD_TSN:
61 return "FWD_TSN"; 61 return "FWD_TSN";
62 62
63 case SCTP_CID_AUTH: 63 case SCTP_CID_AUTH:
64 return "AUTH"; 64 return "AUTH";
65 65
66 case SCTP_CID_RECONF: 66 case SCTP_CID_RECONF:
67 return "RECONF"; 67 return "RECONF";
68 68
69 case SCTP_CID_I_DATA: 69 case SCTP_CID_I_DATA:
70 return "I_DATA"; 70 return "I_DATA";
71 71
72 case SCTP_CID_I_FWD_TSN: 72 case SCTP_CID_I_FWD_TSN:
73 return "I_FWD_TSN"; 73 return "I_FWD_TSN";
74 74
75 default: 75 default:
76 break; 76 break;
77 } 77 }
78 78
79 return "unknown chunk"; 79 return "unknown chunk";
80 } 80 }
81 81
82 /* These are printable forms of the states. * 82 /* These are printable forms of the states. */
83 const char *const sctp_state_tbl[SCTP_STATE_NU 83 const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
84 "STATE_CLOSED", 84 "STATE_CLOSED",
85 "STATE_COOKIE_WAIT", 85 "STATE_COOKIE_WAIT",
86 "STATE_COOKIE_ECHOED", 86 "STATE_COOKIE_ECHOED",
87 "STATE_ESTABLISHED", 87 "STATE_ESTABLISHED",
88 "STATE_SHUTDOWN_PENDING", 88 "STATE_SHUTDOWN_PENDING",
89 "STATE_SHUTDOWN_SENT", 89 "STATE_SHUTDOWN_SENT",
90 "STATE_SHUTDOWN_RECEIVED", 90 "STATE_SHUTDOWN_RECEIVED",
91 "STATE_SHUTDOWN_ACK_SENT", 91 "STATE_SHUTDOWN_ACK_SENT",
92 }; 92 };
93 93
94 /* Events that could change the state of an as 94 /* Events that could change the state of an association. */
95 const char *const sctp_evttype_tbl[] = { 95 const char *const sctp_evttype_tbl[] = {
96 "EVENT_T_unknown", 96 "EVENT_T_unknown",
97 "EVENT_T_CHUNK", 97 "EVENT_T_CHUNK",
98 "EVENT_T_TIMEOUT", 98 "EVENT_T_TIMEOUT",
99 "EVENT_T_OTHER", 99 "EVENT_T_OTHER",
100 "EVENT_T_PRIMITIVE" 100 "EVENT_T_PRIMITIVE"
101 }; 101 };
102 102
103 /* Return value of a state function */ 103 /* Return value of a state function */
104 const char *const sctp_status_tbl[] = { 104 const char *const sctp_status_tbl[] = {
105 "DISPOSITION_DISCARD", 105 "DISPOSITION_DISCARD",
106 "DISPOSITION_CONSUME", 106 "DISPOSITION_CONSUME",
107 "DISPOSITION_NOMEM", 107 "DISPOSITION_NOMEM",
108 "DISPOSITION_DELETE_TCB", 108 "DISPOSITION_DELETE_TCB",
109 "DISPOSITION_ABORT", 109 "DISPOSITION_ABORT",
110 "DISPOSITION_VIOLATION", 110 "DISPOSITION_VIOLATION",
111 "DISPOSITION_NOT_IMPL", 111 "DISPOSITION_NOT_IMPL",
112 "DISPOSITION_ERROR", 112 "DISPOSITION_ERROR",
113 "DISPOSITION_BUG" 113 "DISPOSITION_BUG"
114 }; 114 };
115 115
116 /* Printable forms of primitives */ 116 /* Printable forms of primitives */
117 static const char *const sctp_primitive_tbl[SC 117 static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
118 "PRIMITIVE_ASSOCIATE", 118 "PRIMITIVE_ASSOCIATE",
119 "PRIMITIVE_SHUTDOWN", 119 "PRIMITIVE_SHUTDOWN",
120 "PRIMITIVE_ABORT", 120 "PRIMITIVE_ABORT",
121 "PRIMITIVE_SEND", 121 "PRIMITIVE_SEND",
122 "PRIMITIVE_REQUESTHEARTBEAT", 122 "PRIMITIVE_REQUESTHEARTBEAT",
123 "PRIMITIVE_ASCONF", 123 "PRIMITIVE_ASCONF",
124 }; 124 };
125 125
126 /* Lookup primitive debug name. */ 126 /* Lookup primitive debug name. */
127 const char *sctp_pname(const union sctp_subtyp 127 const char *sctp_pname(const union sctp_subtype id)
128 { 128 {
129 if (id.primitive <= SCTP_EVENT_PRIMITI 129 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX)
130 return sctp_primitive_tbl[id.p 130 return sctp_primitive_tbl[id.primitive];
131 return "unknown_primitive"; 131 return "unknown_primitive";
132 } 132 }
133 133
134 static const char *const sctp_other_tbl[] = { 134 static const char *const sctp_other_tbl[] = {
135 "NO_PENDING_TSN", 135 "NO_PENDING_TSN",
136 "ICMP_PROTO_UNREACH", 136 "ICMP_PROTO_UNREACH",
137 }; 137 };
138 138
139 /* Lookup "other" debug name. */ 139 /* Lookup "other" debug name. */
140 const char *sctp_oname(const union sctp_subtyp 140 const char *sctp_oname(const union sctp_subtype id)
141 { 141 {
142 if (id.other <= SCTP_EVENT_OTHER_MAX) 142 if (id.other <= SCTP_EVENT_OTHER_MAX)
143 return sctp_other_tbl[id.other 143 return sctp_other_tbl[id.other];
144 return "unknown 'other' event"; 144 return "unknown 'other' event";
145 } 145 }
146 146
147 static const char *const sctp_timer_tbl[] = { 147 static const char *const sctp_timer_tbl[] = {
148 "TIMEOUT_NONE", 148 "TIMEOUT_NONE",
149 "TIMEOUT_T1_COOKIE", 149 "TIMEOUT_T1_COOKIE",
150 "TIMEOUT_T1_INIT", 150 "TIMEOUT_T1_INIT",
151 "TIMEOUT_T2_SHUTDOWN", 151 "TIMEOUT_T2_SHUTDOWN",
152 "TIMEOUT_T3_RTX", 152 "TIMEOUT_T3_RTX",
153 "TIMEOUT_T4_RTO", 153 "TIMEOUT_T4_RTO",
154 "TIMEOUT_T5_SHUTDOWN_GUARD", 154 "TIMEOUT_T5_SHUTDOWN_GUARD",
155 "TIMEOUT_HEARTBEAT", 155 "TIMEOUT_HEARTBEAT",
156 "TIMEOUT_RECONF", 156 "TIMEOUT_RECONF",
157 "TIMEOUT_PROBE", <<
158 "TIMEOUT_SACK", 157 "TIMEOUT_SACK",
159 "TIMEOUT_AUTOCLOSE", 158 "TIMEOUT_AUTOCLOSE",
160 }; 159 };
161 160
162 /* Lookup timer debug name. */ 161 /* Lookup timer debug name. */
163 const char *sctp_tname(const union sctp_subtyp 162 const char *sctp_tname(const union sctp_subtype id)
164 { 163 {
165 BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 164 BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 1 != ARRAY_SIZE(sctp_timer_tbl));
166 165
167 if (id.timeout < ARRAY_SIZE(sctp_timer 166 if (id.timeout < ARRAY_SIZE(sctp_timer_tbl))
168 return sctp_timer_tbl[id.timeo 167 return sctp_timer_tbl[id.timeout];
169 return "unknown_timer"; 168 return "unknown_timer";
170 } 169 }
171 170
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