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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, see
26 * <http://www.gnu.org/licenses/>.
27 *
28 * Please send any bug reports or fixes you make to the
29 * email address(es):
30 * lksctp developers <linux-sctp@vger.kernel.org>
31 *
32 * Written or modified by:
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>
39 */
40
41#include <net/sctp/sctp.h>
42
43/* These are printable forms of Chunk ID's from section 3.1. */
44static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
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. */
63const char *sctp_cname(const sctp_subtype_t cid)
64{
65 if (cid.chunk <= SCTP_CID_BASE_MAX)
66 return sctp_cid_tbl[cid.chunk];
67
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
78 case SCTP_CID_AUTH:
79 return "AUTH";
80
81 default:
82 break;
83 }
84
85 return "unknown chunk";
86}
87
88/* These are printable forms of the states. */
89const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
90 "STATE_CLOSED",
91 "STATE_COOKIE_WAIT",
92 "STATE_COOKIE_ECHOED",
93 "STATE_ESTABLISHED",
94 "STATE_SHUTDOWN_PENDING",
95 "STATE_SHUTDOWN_SENT",
96 "STATE_SHUTDOWN_RECEIVED",
97 "STATE_SHUTDOWN_ACK_SENT",
98};
99
100/* Events that could change the state of an association. */
101const char *const sctp_evttype_tbl[] = {
102 "EVENT_T_unknown",
103 "EVENT_T_CHUNK",
104 "EVENT_T_TIMEOUT",
105 "EVENT_T_OTHER",
106 "EVENT_T_PRIMITIVE"
107};
108
109/* Return value of a state function */
110const char *const sctp_status_tbl[] = {
111 "DISPOSITION_DISCARD",
112 "DISPOSITION_CONSUME",
113 "DISPOSITION_NOMEM",
114 "DISPOSITION_DELETE_TCB",
115 "DISPOSITION_ABORT",
116 "DISPOSITION_VIOLATION",
117 "DISPOSITION_NOT_IMPL",
118 "DISPOSITION_ERROR",
119 "DISPOSITION_BUG"
120};
121
122/* Printable forms of primitives */
123static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
124 "PRIMITIVE_ASSOCIATE",
125 "PRIMITIVE_SHUTDOWN",
126 "PRIMITIVE_ABORT",
127 "PRIMITIVE_SEND",
128 "PRIMITIVE_REQUESTHEARTBEAT",
129 "PRIMITIVE_ASCONF",
130};
131
132/* Lookup primitive debug name. */
133const char *sctp_pname(const sctp_subtype_t id)
134{
135 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX)
136 return sctp_primitive_tbl[id.primitive];
137 return "unknown_primitive";
138}
139
140static const char *const sctp_other_tbl[] = {
141 "NO_PENDING_TSN",
142 "ICMP_PROTO_UNREACH",
143};
144
145/* Lookup "other" debug name. */
146const char *sctp_oname(const sctp_subtype_t id)
147{
148 if (id.other <= SCTP_EVENT_OTHER_MAX)
149 return sctp_other_tbl[id.other];
150 return "unknown 'other' event";
151}
152
153static const char *const sctp_timer_tbl[] = {
154 "TIMEOUT_NONE",
155 "TIMEOUT_T1_COOKIE",
156 "TIMEOUT_T1_INIT",
157 "TIMEOUT_T2_SHUTDOWN",
158 "TIMEOUT_T3_RTX",
159 "TIMEOUT_T4_RTO",
160 "TIMEOUT_T5_SHUTDOWN_GUARD",
161 "TIMEOUT_HEARTBEAT",
162 "TIMEOUT_SACK",
163 "TIMEOUT_AUTOCLOSE",
164};
165
166/* Lookup timer debug name. */
167const char *sctp_tname(const sctp_subtype_t id)
168{
169 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX)
170 return sctp_timer_tbl[id.timeout];
171 return "unknown_timer";
172}
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, see
26 * <http://www.gnu.org/licenses/>.
27 *
28 * Please send any bug reports or fixes you make to the
29 * email address(es):
30 * lksctp developers <linux-sctp@vger.kernel.org>
31 *
32 * Written or modified by:
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>
39 */
40
41#include <net/sctp/sctp.h>
42
43/* These are printable forms of Chunk ID's from section 3.1. */
44static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
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. */
63const char *sctp_cname(const union sctp_subtype cid)
64{
65 if (cid.chunk <= SCTP_CID_BASE_MAX)
66 return sctp_cid_tbl[cid.chunk];
67
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
78 case SCTP_CID_AUTH:
79 return "AUTH";
80
81 case SCTP_CID_RECONF:
82 return "RECONF";
83
84 case SCTP_CID_I_DATA:
85 return "I_DATA";
86
87 case SCTP_CID_I_FWD_TSN:
88 return "I_FWD_TSN";
89
90 default:
91 break;
92 }
93
94 return "unknown chunk";
95}
96
97/* These are printable forms of the states. */
98const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
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. */
110const char *const sctp_evttype_tbl[] = {
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 */
119const char *const sctp_status_tbl[] = {
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 */
132static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
133 "PRIMITIVE_ASSOCIATE",
134 "PRIMITIVE_SHUTDOWN",
135 "PRIMITIVE_ABORT",
136 "PRIMITIVE_SEND",
137 "PRIMITIVE_REQUESTHEARTBEAT",
138 "PRIMITIVE_ASCONF",
139};
140
141/* Lookup primitive debug name. */
142const char *sctp_pname(const union sctp_subtype id)
143{
144 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX)
145 return sctp_primitive_tbl[id.primitive];
146 return "unknown_primitive";
147}
148
149static const char *const sctp_other_tbl[] = {
150 "NO_PENDING_TSN",
151 "ICMP_PROTO_UNREACH",
152};
153
154/* Lookup "other" debug name. */
155const char *sctp_oname(const union sctp_subtype id)
156{
157 if (id.other <= SCTP_EVENT_OTHER_MAX)
158 return sctp_other_tbl[id.other];
159 return "unknown 'other' event";
160}
161
162static const char *const sctp_timer_tbl[] = {
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",
171 "TIMEOUT_RECONF",
172 "TIMEOUT_SACK",
173 "TIMEOUT_AUTOCLOSE",
174};
175
176/* Lookup timer debug name. */
177const char *sctp_tname(const union sctp_subtype id)
178{
179 BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 1 != ARRAY_SIZE(sctp_timer_tbl));
180
181 if (id.timeout < ARRAY_SIZE(sctp_timer_tbl))
182 return sctp_timer_tbl[id.timeout];
183 return "unknown_timer";
184}