From 4fb20757c63c3809d0535545d96e2e9f62b6198b Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 2 Mar 2010 23:17:33 +0100 Subject: import some GSM 04.08 utility code from OpenBSC --- include/osmocore/Makefile.am | 2 +- include/osmocore/gsm48.h | 9 +++ src/Makefile.am | 2 +- src/gsm48.c | 143 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 154 insertions(+), 2 deletions(-) create mode 100644 include/osmocore/gsm48.h create mode 100644 src/gsm48.c diff --git a/include/osmocore/Makefile.am b/include/osmocore/Makefile.am index 8754295f..b45d0233 100644 --- a/include/osmocore/Makefile.am +++ b/include/osmocore/Makefile.am @@ -1,6 +1,6 @@ osmocore_HEADERS = signal.h linuxlist.h timer.h talloc.h msgb.h select.h \ tlv.h bitvec.h comp128.h statistics.h gsm_utils.h utils.h \ - gsmtap.h write_queue.h rsl.h + gsmtap.h write_queue.h rsl.h gsm48.h osmocoredir = $(includedir)/osmocore diff --git a/include/osmocore/gsm48.h b/include/osmocore/gsm48.h new file mode 100644 index 00000000..d0cf09d1 --- /dev/null +++ b/include/osmocore/gsm48.h @@ -0,0 +1,9 @@ +#ifndef _OSMOCORE_GSM48_H + +#include + +extern const struct tlv_definition gsm48_att_tlvdef; +extern const char *cc_state_names[]; +const char *rr_cause_name(uint8_t cause); + +#endif diff --git a/src/Makefile.am b/src/Makefile.am index 65415eed..b6826ea5 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -9,4 +9,4 @@ lib_LTLIBRARIES = libosmocore.la libosmocore_la_SOURCES = msgb.c timer.c talloc.c select.c signal.c \ tlv_parser.c bitvec.c comp128.c gsm_utils.c statistics.c \ - write_queue.c utils.c rsl.c + write_queue.c utils.c rsl.c gsm48.c diff --git a/src/gsm48.c b/src/gsm48.c new file mode 100644 index 00000000..2ded2095 --- /dev/null +++ b/src/gsm48.c @@ -0,0 +1,143 @@ +/* GSM Mobile Radio Interface Layer 3 messages + * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */ + +/* (C) 2008-2009 by Harald Welte + * (C) 2008, 2009 by Holger Hans Peter Freyther + * + * All Rights Reserved + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include +#include +#include + +#include +#include +#include + +#include + +const struct tlv_definition gsm48_att_tlvdef = { + .def = { + [GSM48_IE_MOBILE_ID] = { TLV_TYPE_TLV }, + [GSM48_IE_NAME_LONG] = { TLV_TYPE_TLV }, + [GSM48_IE_NAME_SHORT] = { TLV_TYPE_TLV }, + [GSM48_IE_UTC] = { TLV_TYPE_TV }, + [GSM48_IE_NET_TIME_TZ] = { TLV_TYPE_FIXED, 7 }, + [GSM48_IE_LSA_IDENT] = { TLV_TYPE_TLV }, + + [GSM48_IE_BEARER_CAP] = { TLV_TYPE_TLV }, + [GSM48_IE_CAUSE] = { TLV_TYPE_TLV }, + [GSM48_IE_CC_CAP] = { TLV_TYPE_TLV }, + [GSM48_IE_ALERT] = { TLV_TYPE_TLV }, + [GSM48_IE_FACILITY] = { TLV_TYPE_TLV }, + [GSM48_IE_PROGR_IND] = { TLV_TYPE_TLV }, + [GSM48_IE_AUX_STATUS] = { TLV_TYPE_TLV }, + [GSM48_IE_NOTIFY] = { TLV_TYPE_TV }, + [GSM48_IE_KPD_FACILITY] = { TLV_TYPE_TV }, + [GSM48_IE_SIGNAL] = { TLV_TYPE_TV }, + [GSM48_IE_CONN_BCD] = { TLV_TYPE_TLV }, + [GSM48_IE_CONN_SUB] = { TLV_TYPE_TLV }, + [GSM48_IE_CALLING_BCD] = { TLV_TYPE_TLV }, + [GSM48_IE_CALLING_SUB] = { TLV_TYPE_TLV }, + [GSM48_IE_CALLED_BCD] = { TLV_TYPE_TLV }, + [GSM48_IE_CALLED_SUB] = { TLV_TYPE_TLV }, + [GSM48_IE_REDIR_BCD] = { TLV_TYPE_TLV }, + [GSM48_IE_REDIR_SUB] = { TLV_TYPE_TLV }, + [GSM48_IE_LOWL_COMPAT] = { TLV_TYPE_TLV }, + [GSM48_IE_HIGHL_COMPAT] = { TLV_TYPE_TLV }, + [GSM48_IE_USER_USER] = { TLV_TYPE_TLV }, + [GSM48_IE_SS_VERS] = { TLV_TYPE_TLV }, + [GSM48_IE_MORE_DATA] = { TLV_TYPE_T }, + [GSM48_IE_CLIR_SUPP] = { TLV_TYPE_T }, + [GSM48_IE_CLIR_INVOC] = { TLV_TYPE_T }, + [GSM48_IE_REV_C_SETUP] = { TLV_TYPE_T }, + [GSM48_IE_REPEAT_CIR] = { TLV_TYPE_T }, + [GSM48_IE_REPEAT_SEQ] = { TLV_TYPE_T }, + /* FIXME: more elements */ + }, +}; + +static const char *rr_cause_names[] = { + [GSM48_RR_CAUSE_NORMAL] = "Normal event", + [GSM48_RR_CAUSE_ABNORMAL_UNSPEC] = "Abnormal release, unspecified", + [GSM48_RR_CAUSE_ABNORMAL_UNACCT] = "Abnormal release, channel unacceptable", + [GSM48_RR_CAUSE_ABNORMAL_TIMER] = "Abnormal release, timer expired", + [GSM48_RR_CAUSE_ABNORMAL_NOACT] = "Abnormal release, no activity on radio path", + [GSM48_RR_CAUSE_PREMPTIVE_REL] = "Preemptive release", + [GSM48_RR_CAUSE_HNDOVER_IMP] = "Handover impossible, timing advance out of range", + [GSM48_RR_CAUSE_CHAN_MODE_UNACCT] = "Channel mode unacceptable", + [GSM48_RR_CAUSE_FREQ_NOT_IMPL] = "Frequency not implemented", + [GSM48_RR_CAUSE_CALL_CLEARED] = "Call already cleared", + [GSM48_RR_CAUSE_SEMANT_INCORR] = "Semantically incorrect message", + [GSM48_RR_CAUSE_INVALID_MAND_INF] = "Invalid mandatory information", + [GSM48_RR_CAUSE_MSG_TYPE_N] = "Message type non-existant or not implemented", + [GSM48_RR_CAUSE_MSG_TYPE_N_COMPAT] = "Message type not compatible with protocol state", + [GSM48_RR_CAUSE_COND_IE_ERROR] = "Conditional IE error", + [GSM48_RR_CAUSE_NO_CELL_ALLOC_A] = "No cell allocation available", + [GSM48_RR_CAUSE_PROT_ERROR_UNSPC] = "Protocol error unspecified", +}; + +const char *cc_state_names[] = { + "NULL", + "INITIATED", + "illegal state 2", + "MO_CALL_PROC", + "CALL_DELIVERED", + "illegal state 5", + "CALL_PRESENT", + "CALL_RECEIVED", + "CONNECT_REQUEST", + "MO_TERM_CALL_CONF", + "ACTIVE", + "DISCONNECT_REQ", + "DISCONNECT_IND", + "illegal state 13", + "illegal state 14", + "illegal state 15", + "illegal state 16", + "illegal state 17", + "illegal state 18", + "RELEASE_REQ", + "illegal state 20", + "illegal state 21", + "illegal state 22", + "illegal state 23", + "illegal state 24", + "illegal state 25", + "MO_ORIG_MODIFY", + "MO_TERM_MODIFY", + "CONNECT_IND", + "illegal state 29", + "illegal state 30", + "illegal state 31", +}; + +static char strbuf[64]; + +const char *rr_cause_name(uint8_t cause) +{ + if (cause < ARRAY_SIZE(rr_cause_names) && + rr_cause_names[cause]) + return rr_cause_names[cause]; + + snprintf(strbuf, sizeof(strbuf), "0x%02x", cause); + return strbuf; +} + + -- cgit v1.2.3