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authorHarald Welte <laforge@gnumonks.org>2010-03-02 23:17:33 +0100
committerHarald Welte <laforge@gnumonks.org>2010-03-02 23:17:33 +0100
commit4fb20757c63c3809d0535545d96e2e9f62b6198b (patch)
tree6e003fb351569ab1f6c162bd5e52695159bfe6bb /src
parentf08eabf2341de43993918246e89ce30c3651f378 (diff)
import some GSM 04.08 utility code from OpenBSC
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am2
-rw-r--r--src/gsm48.c143
2 files changed, 144 insertions, 1 deletions
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 <laforge@gnumonks.org>
+ * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
+ *
+ * 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 <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <osmocore/utils.h>
+#include <osmocore/tlv.h>
+#include <osmocore/gsm48.h>
+
+#include <osmocore/protocol/gsm_04_08.h>
+
+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;
+}
+
+