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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 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}
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
51int 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. */
55static 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. */
74const 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. */
100const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
101 "STATE_CLOSED",
102 "STATE_COOKIE_WAIT",
103 "STATE_COOKIE_ECHOED",
104 "STATE_ESTABLISHED",
105 "STATE_SHUTDOWN_PENDING",
106 "STATE_SHUTDOWN_SENT",
107 "STATE_SHUTDOWN_RECEIVED",
108 "STATE_SHUTDOWN_ACK_SENT",
109};
110
111/* Events that could change the state of an association. */
112const char *const sctp_evttype_tbl[] = {
113 "EVENT_T_unknown",
114 "EVENT_T_CHUNK",
115 "EVENT_T_TIMEOUT",
116 "EVENT_T_OTHER",
117 "EVENT_T_PRIMITIVE"
118};
119
120/* Return value of a state function */
121const char *const sctp_status_tbl[] = {
122 "DISPOSITION_DISCARD",
123 "DISPOSITION_CONSUME",
124 "DISPOSITION_NOMEM",
125 "DISPOSITION_DELETE_TCB",
126 "DISPOSITION_ABORT",
127 "DISPOSITION_VIOLATION",
128 "DISPOSITION_NOT_IMPL",
129 "DISPOSITION_ERROR",
130 "DISPOSITION_BUG"
131};
132
133/* Printable forms of primitives */
134static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
135 "PRIMITIVE_ASSOCIATE",
136 "PRIMITIVE_SHUTDOWN",
137 "PRIMITIVE_ABORT",
138 "PRIMITIVE_SEND",
139 "PRIMITIVE_REQUESTHEARTBEAT",
140 "PRIMITIVE_ASCONF",
141};
142
143/* Lookup primitive debug name. */
144const char *sctp_pname(const sctp_subtype_t id)
145{
146 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX)
147 return sctp_primitive_tbl[id.primitive];
148 return "unknown_primitive";
149}
150
151static const char *const sctp_other_tbl[] = {
152 "NO_PENDING_TSN",
153 "ICMP_PROTO_UNREACH",
154};
155
156/* Lookup "other" debug name. */
157const char *sctp_oname(const sctp_subtype_t id)
158{
159 if (id.other <= SCTP_EVENT_OTHER_MAX)
160 return sctp_other_tbl[id.other];
161 return "unknown 'other' event";
162}
163
164static const char *const sctp_timer_tbl[] = {
165 "TIMEOUT_NONE",
166 "TIMEOUT_T1_COOKIE",
167 "TIMEOUT_T1_INIT",
168 "TIMEOUT_T2_SHUTDOWN",
169 "TIMEOUT_T3_RTX",
170 "TIMEOUT_T4_RTO",
171 "TIMEOUT_T5_SHUTDOWN_GUARD",
172 "TIMEOUT_HEARTBEAT",
173 "TIMEOUT_SACK",
174 "TIMEOUT_AUTOCLOSE",
175};
176
177/* Lookup timer debug name. */
178const char *sctp_tname(const sctp_subtype_t id)
179{
180 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX)
181 return sctp_timer_tbl[id.timeout];
182 return "unknown_timer";
183}