/* SCTP kernel implementation * (C) Copyright IBM Corp. 2001, 2004 * Copyright (c) 1999-2000 Cisco, Inc. * Copyright (c) 1999-2001 Motorola, Inc. * Copyright (c) 2001 Intel Corp. * * This file is part of the SCTP kernel implementation * * This file converts numerical ID value to alphabetical names for SCTP * terms such as chunk type, parameter time, event type, etc. * * This SCTP implementation is free software; * you can redistribute it and/or modify it under the terms of * the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This SCTP implementation is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied * ************************ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU CC; see the file COPYING. If not, write to * the Free Software Foundation, 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Please send any bug reports or fixes you make to the * email address(es): * lksctp developers <lksctp-developers@lists.sourceforge.net> * * Or submit a bug report through the following website: * http://www.sf.net/projects/lksctp * * Written or modified by: * La Monte H.P. Yarroll <piggy@acm.org> * Karl Knutson <karl@athena.chicago.il.us> * Xingang Guo <xingang.guo@intel.com> * Jon Grimm <jgrimm@us.ibm.com> * Daisy Chang <daisyc@us.ibm.com> * Sridhar Samudrala <sri@us.ibm.com> * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorporated into the next SCTP release. */ #include <net/sctp/sctp.h> #if SCTP_DEBUG int sctp_debug_flag = 1; /* Initially enable DEBUG */ #endif /* SCTP_DEBUG */ /* These are printable forms of Chunk ID's from section 3.1. */ static const char *sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = { "DATA", "INIT", "INIT_ACK", "SACK", "HEARTBEAT", "HEARTBEAT_ACK", "ABORT", "SHUTDOWN", "SHUTDOWN_ACK", "ERROR", "COOKIE_ECHO", "COOKIE_ACK", "ECN_ECNE", "ECN_CWR", "SHUTDOWN_COMPLETE", }; /* Lookup "chunk type" debug name. */ const char *sctp_cname(const sctp_subtype_t cid) { if (cid.chunk <= SCTP_CID_BASE_MAX) return sctp_cid_tbl[cid.chunk]; switch (cid.chunk) { case SCTP_CID_ASCONF: return "ASCONF"; case SCTP_CID_ASCONF_ACK: return "ASCONF_ACK"; case SCTP_CID_FWD_TSN: return "FWD_TSN"; default: break; } return "unknown chunk"; } /* These are printable forms of the states. */ const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = { "STATE_EMPTY", "STATE_CLOSED", "STATE_COOKIE_WAIT", "STATE_COOKIE_ECHOED", "STATE_ESTABLISHED", "STATE_SHUTDOWN_PENDING", "STATE_SHUTDOWN_SENT", "STATE_SHUTDOWN_RECEIVED", "STATE_SHUTDOWN_ACK_SENT", }; /* Events that could change the state of an association. */ const char *sctp_evttype_tbl[] = { "EVENT_T_unknown", "EVENT_T_CHUNK", "EVENT_T_TIMEOUT", "EVENT_T_OTHER", "EVENT_T_PRIMITIVE" }; /* Return value of a state function */ const char *sctp_status_tbl[] = { "DISPOSITION_DISCARD", "DISPOSITION_CONSUME", "DISPOSITION_NOMEM", "DISPOSITION_DELETE_TCB", "DISPOSITION_ABORT", "DISPOSITION_VIOLATION", "DISPOSITION_NOT_IMPL", "DISPOSITION_ERROR", "DISPOSITION_BUG" }; /* Printable forms of primitives */ static const char *sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { "PRIMITIVE_ASSOCIATE", "PRIMITIVE_SHUTDOWN", "PRIMITIVE_ABORT", "PRIMITIVE_SEND", "PRIMITIVE_REQUESTHEARTBEAT", }; /* Lookup primitive debug name. */ const char *sctp_pname(const sctp_subtype_t id) { if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) return sctp_primitive_tbl[id.primitive]; return "unknown_primitive"; } static const char *sctp_other_tbl[] = { "NO_PENDING_TSN", "ICMP_PROTO_UNREACH", }; /* Lookup "other" debug name. */ const char *sctp_oname(const sctp_subtype_t id) { if (id.other <= SCTP_EVENT_OTHER_MAX) return sctp_other_tbl[id.other]; return "unknown 'other' event"; } static const char *sctp_timer_tbl[] = { "TIMEOUT_NONE", "TIMEOUT_T1_COOKIE", "TIMEOUT_T1_INIT", "TIMEOUT_T2_SHUTDOWN", "TIMEOUT_T3_RTX", "TIMEOUT_T4_RTO", "TIMEOUT_T5_SHUTDOWN_GUARD", "TIMEOUT_HEARTBEAT", "TIMEOUT_SACK", "TIMEOUT_AUTOCLOSE", }; /* Lookup timer debug name. */ const char *sctp_tname(const sctp_subtype_t id) { if (id.timeout <= SCTP_EVENT_TIMEOUT_MAX) return sctp_timer_tbl[id.timeout]; return "unknown_timer"; }