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Vlad Yasevich60c778b2008-01-11 09:57:09 -05001/* SCTP kernel implementation
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * (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.
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +09006 *
Vlad Yasevich60c778b2008-01-11 09:57:09 -05007 * This file is part of the SCTP kernel implementation
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +09008 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * This file converts numerical ID value to alphabetical names for SCTP
10 * terms such as chunk type, parameter time, event type, etc.
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090011 *
Vlad Yasevich60c778b2008-01-11 09:57:09 -050012 * This SCTP implementation is free software;
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090013 * you can redistribute it and/or modify it under the terms of
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 * the GNU General Public License as published by
15 * the Free Software Foundation; either version 2, or (at your option)
16 * any later version.
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090017 *
Vlad Yasevich60c778b2008-01-11 09:57:09 -050018 * This SCTP implementation is distributed in the hope that it
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 * 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.
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090023 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 * 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,
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090027 * Boston, MA 02111-1307, USA.
28 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 * Please send any bug reports or fixes you make to the
30 * email address(es):
31 * lksctp developers <lksctp-developers@lists.sourceforge.net>
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090032 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070033 * Or submit a bug report through the following website:
34 * http://www.sf.net/projects/lksctp
35 *
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090036 * Written or modified by:
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 * 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>
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090043 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070050/* These are printable forms of Chunk ID's from section 3.1. */
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -070051static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 "DATA",
53 "INIT",
54 "INIT_ACK",
55 "SACK",
56 "HEARTBEAT",
57 "HEARTBEAT_ACK",
58 "ABORT",
59 "SHUTDOWN",
60 "SHUTDOWN_ACK",
61 "ERROR",
62 "COOKIE_ECHO",
63 "COOKIE_ACK",
64 "ECN_ECNE",
65 "ECN_CWR",
66 "SHUTDOWN_COMPLETE",
67};
68
69/* Lookup "chunk type" debug name. */
70const char *sctp_cname(const sctp_subtype_t cid)
71{
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 if (cid.chunk <= SCTP_CID_BASE_MAX)
73 return sctp_cid_tbl[cid.chunk];
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +090074
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 switch (cid.chunk) {
76 case SCTP_CID_ASCONF:
77 return "ASCONF";
78
79 case SCTP_CID_ASCONF_ACK:
80 return "ASCONF_ACK";
81
82 case SCTP_CID_FWD_TSN:
83 return "FWD_TSN";
84
Wei Yongjun906f8252009-03-02 09:46:10 +000085 case SCTP_CID_AUTH:
86 return "AUTH";
87
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 default:
Stephen Hemminger3ff50b72007-04-20 17:09:22 -070089 break;
90 }
91
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 return "unknown chunk";
93}
94
95/* These are printable forms of the states. */
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -070096const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 "STATE_CLOSED",
98 "STATE_COOKIE_WAIT",
99 "STATE_COOKIE_ECHOED",
100 "STATE_ESTABLISHED",
101 "STATE_SHUTDOWN_PENDING",
102 "STATE_SHUTDOWN_SENT",
103 "STATE_SHUTDOWN_RECEIVED",
104 "STATE_SHUTDOWN_ACK_SENT",
105};
106
107/* Events that could change the state of an association. */
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -0700108const char *const sctp_evttype_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 "EVENT_T_unknown",
110 "EVENT_T_CHUNK",
111 "EVENT_T_TIMEOUT",
112 "EVENT_T_OTHER",
113 "EVENT_T_PRIMITIVE"
114};
115
116/* Return value of a state function */
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -0700117const char *const sctp_status_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 "DISPOSITION_DISCARD",
119 "DISPOSITION_CONSUME",
120 "DISPOSITION_NOMEM",
121 "DISPOSITION_DELETE_TCB",
122 "DISPOSITION_ABORT",
123 "DISPOSITION_VIOLATION",
124 "DISPOSITION_NOT_IMPL",
125 "DISPOSITION_ERROR",
126 "DISPOSITION_BUG"
127};
128
129/* Printable forms of primitives */
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -0700130static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 "PRIMITIVE_ASSOCIATE",
132 "PRIMITIVE_SHUTDOWN",
133 "PRIMITIVE_ABORT",
134 "PRIMITIVE_SEND",
135 "PRIMITIVE_REQUESTHEARTBEAT",
Wei Yongjun906f8252009-03-02 09:46:10 +0000136 "PRIMITIVE_ASCONF",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137};
138
139/* Lookup primitive debug name. */
140const char *sctp_pname(const sctp_subtype_t id)
141{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX)
143 return sctp_primitive_tbl[id.primitive];
144 return "unknown_primitive";
145}
146
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -0700147static const char *const sctp_other_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 "NO_PENDING_TSN",
YOSHIFUJI Hideakid808ad92007-02-09 23:25:18 +0900149 "ICMP_PROTO_UNREACH",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150};
151
152/* Lookup "other" debug name. */
153const char *sctp_oname(const sctp_subtype_t id)
154{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 if (id.other <= SCTP_EVENT_OTHER_MAX)
156 return sctp_other_tbl[id.other];
157 return "unknown 'other' event";
158}
159
Jan Engelhardt36cbd3d2009-08-05 10:42:58 -0700160static const char *const sctp_timer_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 "TIMEOUT_NONE",
162 "TIMEOUT_T1_COOKIE",
163 "TIMEOUT_T1_INIT",
164 "TIMEOUT_T2_SHUTDOWN",
165 "TIMEOUT_T3_RTX",
166 "TIMEOUT_T4_RTO",
167 "TIMEOUT_T5_SHUTDOWN_GUARD",
168 "TIMEOUT_HEARTBEAT",
169 "TIMEOUT_SACK",
170 "TIMEOUT_AUTOCLOSE",
171};
172
173/* Lookup timer debug name. */
174const char *sctp_tname(const sctp_subtype_t id)
175{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX)
177 return sctp_timer_tbl[id.timeout];
178 return "unknown_timer";
179}