// SPDX-License-Identifier: GPL-2.0-or-later /* 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. * * Please send any bug reports or fixes you make to the * email address(es): * lksctp developers <linux-sctp@vger.kernel.org> * * 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> */ #include <net/sctp/sctp.h> /* These are printable forms of Chunk ID's from section 3.1. */ static const char *const 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 union sctp_subtype 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"; case SCTP_CID_AUTH: return "AUTH"; case SCTP_CID_RECONF: return "RECONF"; case SCTP_CID_I_DATA: return "I_DATA"; case SCTP_CID_I_FWD_TSN: return "I_FWD_TSN"; default: break; } return "unknown chunk"; } /* These are printable forms of the states. */ const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { "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 *const 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 *const 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 *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = { "PRIMITIVE_ASSOCIATE", "PRIMITIVE_SHUTDOWN", "PRIMITIVE_ABORT", "PRIMITIVE_SEND", "PRIMITIVE_REQUESTHEARTBEAT", "PRIMITIVE_ASCONF", }; /* Lookup primitive debug name. */ const char *sctp_pname(const union sctp_subtype id) { if (id.primitive <= SCTP_EVENT_PRIMITIVE_MAX) return sctp_primitive_tbl[id.primitive]; return "unknown_primitive"; } static const char *const sctp_other_tbl[] = { "NO_PENDING_TSN", "ICMP_PROTO_UNREACH", }; /* Lookup "other" debug name. */ const char *sctp_oname(const union sctp_subtype id) { if (id.other <= SCTP_EVENT_OTHER_MAX) return sctp_other_tbl[id.other]; return "unknown 'other' event"; } static const char *const 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_RECONF", "TIMEOUT_SACK", "TIMEOUT_AUTOCLOSE", }; /* Lookup timer debug name. */ const char *sctp_tname(const union sctp_subtype id) { BUILD_BUG_ON(SCTP_EVENT_TIMEOUT_MAX + 1 != ARRAY_SIZE(sctp_timer_tbl)); if (id.timeout < ARRAY_SIZE(sctp_timer_tbl)) return sctp_timer_tbl[id.timeout]; return "unknown_timer"; }