abis_nm: import definitions and common code on A-bis OML from OpenBSC

4 files changed, 432 insertions, 2 deletions

diff --git a/include/osmocom/gsm/Makefile.am b/include/osmocom/gsm/Makefile.am
index a39d2d04..c3670ec7 100644
--- a/include/osmocom/gsm/Makefile.am
+++ b/include/osmocom/gsm/Makefile.am
@@ -1,5 +1,5 @@
 osmogsm_HEADERS = a5.h comp128.h gsm0808.h gsm48_ie.h mncc.h rxlev_stat.h \
-		  gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h
+		  gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h
 
 SUBDIRS = protocol
 
diff --git a/include/osmocom/gsm/abis_nm.h b/include/osmocom/gsm/abis_nm.h
new file mode 100644
index 00000000..04e4575d
--- /dev/null
+++ b/include/osmocom/gsm/abis_nm.h
@@ -0,0 +1,24 @@
+#ifndef _OSMO_GSM_ABIS_NM_H
+#define _OSMO_GSM_ABIS_NM_H
+
+#include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+
+const enum abis_nm_msgtype abis_nm_reports[4];
+const enum abis_nm_msgtype abis_nm_no_ack_nack[3];
+const enum abis_nm_msgtype abis_nm_sw_load_msgs[9];
+const enum abis_nm_msgtype abis_nm_nacks[33];
+
+const char *abis_nm_nack_cause_name(uint8_t cause);
+const char *abis_nm_nack_name(uint8_t nack);
+const char *abis_nm_event_type_name(uint8_t cause);
+const char *abis_nm_severity_name(uint8_t cause);
+const struct tlv_definition abis_nm_att_tlvdef;
+const char *abis_nm_obj_class_name(uint8_t oc);
+const char *abis_nm_opstate_name(uint8_t os);
+const char *abis_nm_avail_name(uint8_t avail);
+const char *abis_nm_test_name(uint8_t test);
+const char *abis_nm_adm_name(uint8_t adm);
+void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh);
+
+#endif /* _OSMO_GSM_ABIS_NM_H */
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index fb4a8cb2..94f137e2 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -9,6 +9,6 @@ lib_LTLIBRARIES = libosmogsm.la
 
 libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c gsm_utils.c \
                         rsl.c gsm48.c gsm48_ie.c gsm0808.c \
-			gprs_cipher_core.c gsm0480.c
+			gprs_cipher_core.c gsm0480.c abis_nm.c
 libosmogsm_la_LDFLAGS = -version-info $(LIBVERSION)
 libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la
diff --git a/src/gsm/abis_nm.c b/src/gsm/abis_nm.c
new file mode 100644
index 00000000..acea4ed5
--- /dev/null
+++ b/src/gsm/abis_nm.c
@@ -0,0 +1,406 @@
+/* GSM Network Management (OML) messages on the A-bis interface
+ * 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0 */
+
+/* (C) 2008-2011 by Harald Welte <laforge@gnumonks.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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdint.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+#include <osmocom/gsm/abis_nm.h>
+
+/* unidirectional messages from BTS to BSC */
+const enum abis_nm_msgtype abis_nm_reports[4] = {
+	NM_MT_SW_ACTIVATED_REP,
+	NM_MT_TEST_REP,
+	NM_MT_STATECHG_EVENT_REP,
+	NM_MT_FAILURE_EVENT_REP,
+};
+
+/* messages without ACK/NACK */
+const enum abis_nm_msgtype abis_nm_no_ack_nack[3] = {
+	NM_MT_MEAS_RES_REQ,
+	NM_MT_STOP_MEAS,
+	NM_MT_START_MEAS,
+};
+
+/* Messages related to software load */
+const enum abis_nm_msgtype abis_nm_sw_load_msgs[9] = {
+	NM_MT_LOAD_INIT_ACK,
+	NM_MT_LOAD_INIT_NACK,
+	NM_MT_LOAD_SEG_ACK,
+	NM_MT_LOAD_ABORT,
+	NM_MT_LOAD_END_ACK,
+	NM_MT_LOAD_END_NACK,
+	//NM_MT_SW_ACT_REQ,
+	NM_MT_ACTIVATE_SW_ACK,
+	NM_MT_ACTIVATE_SW_NACK,
+	NM_MT_SW_ACTIVATED_REP,
+};
+
+const enum abis_nm_msgtype abis_nm_nacks[33] = {
+	NM_MT_LOAD_INIT_NACK,
+	NM_MT_LOAD_END_NACK,
+	NM_MT_SW_ACT_REQ_NACK,
+	NM_MT_ACTIVATE_SW_NACK,
+	NM_MT_ESTABLISH_TEI_NACK,
+	NM_MT_CONN_TERR_SIGN_NACK,
+	NM_MT_DISC_TERR_SIGN_NACK,
+	NM_MT_CONN_TERR_TRAF_NACK,
+	NM_MT_DISC_TERR_TRAF_NACK,
+	NM_MT_CONN_MDROP_LINK_NACK,
+	NM_MT_DISC_MDROP_LINK_NACK,
+	NM_MT_SET_BTS_ATTR_NACK,
+	NM_MT_SET_RADIO_ATTR_NACK,
+	NM_MT_SET_CHAN_ATTR_NACK,
+	NM_MT_PERF_TEST_NACK,
+	NM_MT_SEND_TEST_REP_NACK,
+	NM_MT_STOP_TEST_NACK,
+	NM_MT_STOP_EVENT_REP_NACK,
+	NM_MT_REST_EVENT_REP_NACK,
+	NM_MT_CHG_ADM_STATE_NACK,
+	NM_MT_CHG_ADM_STATE_REQ_NACK,
+	NM_MT_REP_OUTST_ALARMS_NACK,
+	NM_MT_CHANGEOVER_NACK,
+	NM_MT_OPSTART_NACK,
+	NM_MT_REINIT_NACK,
+	NM_MT_SET_SITE_OUT_NACK,
+	NM_MT_CHG_HW_CONF_NACK,
+	NM_MT_GET_ATTR_NACK,
+	NM_MT_SET_ALARM_THRES_NACK,
+	NM_MT_BS11_BEGIN_DB_TX_NACK,
+	NM_MT_BS11_END_DB_TX_NACK,
+	NM_MT_BS11_CREATE_OBJ_NACK,
+	NM_MT_BS11_DELETE_OBJ_NACK,
+};
+
+static const struct value_string nack_names[] = {
+	{ NM_MT_LOAD_INIT_NACK,		"SOFTWARE LOAD INIT" },
+	{ NM_MT_LOAD_END_NACK,		"SOFTWARE LOAD END" },
+	{ NM_MT_SW_ACT_REQ_NACK,	"SOFTWARE ACTIVATE REQUEST" },
+	{ NM_MT_ACTIVATE_SW_NACK,	"ACTIVATE SOFTWARE" },
+	{ NM_MT_ESTABLISH_TEI_NACK,	"ESTABLISH TEI" },
+	{ NM_MT_CONN_TERR_SIGN_NACK,	"CONNECT TERRESTRIAL SIGNALLING" },
+	{ NM_MT_DISC_TERR_SIGN_NACK,	"DISCONNECT TERRESTRIAL SIGNALLING" },
+	{ NM_MT_CONN_TERR_TRAF_NACK,	"CONNECT TERRESTRIAL TRAFFIC" },
+	{ NM_MT_DISC_TERR_TRAF_NACK,	"DISCONNECT TERRESTRIAL TRAFFIC" },
+	{ NM_MT_CONN_MDROP_LINK_NACK,	"CONNECT MULTI-DROP LINK" },
+	{ NM_MT_DISC_MDROP_LINK_NACK,	"DISCONNECT MULTI-DROP LINK" },
+	{ NM_MT_SET_BTS_ATTR_NACK,	"SET BTS ATTRIBUTE" },
+	{ NM_MT_SET_RADIO_ATTR_NACK,	"SET RADIO ATTRIBUTE" },
+	{ NM_MT_SET_CHAN_ATTR_NACK,	"SET CHANNEL ATTRIBUTE" },
+	{ NM_MT_PERF_TEST_NACK,		"PERFORM TEST" },
+	{ NM_MT_SEND_TEST_REP_NACK,	"SEND TEST REPORT" },
+	{ NM_MT_STOP_TEST_NACK,		"STOP TEST" },
+	{ NM_MT_STOP_EVENT_REP_NACK,	"STOP EVENT REPORT" },
+	{ NM_MT_REST_EVENT_REP_NACK,	"RESET EVENT REPORT" },
+	{ NM_MT_CHG_ADM_STATE_NACK,	"CHANGE ADMINISTRATIVE STATE" },
+	{ NM_MT_CHG_ADM_STATE_REQ_NACK,
+				"CHANGE ADMINISTRATIVE STATE REQUEST" },
+	{ NM_MT_REP_OUTST_ALARMS_NACK,	"REPORT OUTSTANDING ALARMS" },
+	{ NM_MT_CHANGEOVER_NACK,	"CHANGEOVER" },
+	{ NM_MT_OPSTART_NACK,		"OPSTART" },
+	{ NM_MT_REINIT_NACK,		"REINIT" },
+	{ NM_MT_SET_SITE_OUT_NACK,	"SET SITE OUTPUT" },
+	{ NM_MT_CHG_HW_CONF_NACK,	"CHANGE HARDWARE CONFIGURATION" },
+	{ NM_MT_GET_ATTR_NACK,		"GET ATTRIBUTE" },
+	{ NM_MT_SET_ALARM_THRES_NACK,	"SET ALARM THRESHOLD" },
+	{ NM_MT_BS11_BEGIN_DB_TX_NACK,	"BS11 BEGIN DATABASE TRANSMISSION" },
+	{ NM_MT_BS11_END_DB_TX_NACK,	"BS11 END DATABASE TRANSMISSION" },
+	{ NM_MT_BS11_CREATE_OBJ_NACK,	"BS11 CREATE OBJECT" },
+	{ NM_MT_BS11_DELETE_OBJ_NACK,	"BS11 DELETE OBJECT" },
+	{ 0,				NULL }
+};
+
+const char *abis_nm_nack_name(uint8_t nack)
+{
+	return get_value_string(nack_names, nack);
+}
+
+/* Chapter 9.4.36 */
+static const struct value_string nack_cause_names[] = {
+	/* General Nack Causes */
+	{ NM_NACK_INCORR_STRUCT,	"Incorrect message structure" },
+	{ NM_NACK_MSGTYPE_INVAL,	"Invalid message type value" },
+	{ NM_NACK_OBJCLASS_INVAL,	"Invalid Object class value" },
+	{ NM_NACK_OBJCLASS_NOTSUPP,	"Object class not supported" },
+	{ NM_NACK_BTSNR_UNKN,		"BTS no. unknown" },
+	{ NM_NACK_TRXNR_UNKN,		"Baseband Transceiver no. unknown" },
+	{ NM_NACK_OBJINST_UNKN,		"Object Instance unknown" },
+	{ NM_NACK_ATTRID_INVAL,		"Invalid attribute identifier value" },
+	{ NM_NACK_ATTRID_NOTSUPP,	"Attribute identifier not supported" },
+	{ NM_NACK_PARAM_RANGE,		"Parameter value outside permitted range" },
+	{ NM_NACK_ATTRLIST_INCONSISTENT,"Inconsistency in attribute list" },
+	{ NM_NACK_SPEC_IMPL_NOTSUPP,	"Specified implementation not supported" },
+	{ NM_NACK_CANT_PERFORM,		"Message cannot be performed" },
+	/* Specific Nack Causes */
+	{ NM_NACK_RES_NOTIMPL,		"Resource not implemented" },
+	{ NM_NACK_RES_NOTAVAIL,		"Resource not available" },
+	{ NM_NACK_FREQ_NOTAVAIL,	"Frequency not available" },
+	{ NM_NACK_TEST_NOTSUPP,		"Test not supported" },
+	{ NM_NACK_CAPACITY_RESTR,	"Capacity restrictions" },
+	{ NM_NACK_PHYSCFG_NOTPERFORM,	"Physical configuration cannot be performed" },
+	{ NM_NACK_TEST_NOTINIT,		"Test not initiated" },
+	{ NM_NACK_PHYSCFG_NOTRESTORE,	"Physical configuration cannot be restored" },
+	{ NM_NACK_TEST_NOSUCH,		"No such test" },
+	{ NM_NACK_TEST_NOSTOP,		"Test cannot be stopped" },
+	{ NM_NACK_MSGINCONSIST_PHYSCFG,	"Message inconsistent with physical configuration" },
+	{ NM_NACK_FILE_INCOMPLETE,	"Complete file notreceived" },
+	{ NM_NACK_FILE_NOTAVAIL,	"File not available at destination" },
+	{ NM_NACK_FILE_NOTACTIVATE,	"File cannot be activate" },
+	{ NM_NACK_REQ_NOT_GRANT,	"Request not granted" },
+	{ NM_NACK_WAIT,			"Wait" },
+	{ NM_NACK_NOTH_REPORT_EXIST,	"Nothing reportable existing" },
+	{ NM_NACK_MEAS_NOTSUPP,		"Measurement not supported" },
+	{ NM_NACK_MEAS_NOTSTART,	"Measurement not started" },
+	{ 0,				NULL }
+};
+
+const char *abis_nm_nack_cause_name(uint8_t cause)
+{
+	return get_value_string(nack_cause_names, cause);
+}
+
+/* Chapter 9.4.16: Event Type */
+static const struct value_string event_type_names[] = {
+	{ NM_EVT_COMM_FAIL,		"communication failure" },
+	{ NM_EVT_QOS_FAIL,		"quality of service failure" },
+	{ NM_EVT_PROC_FAIL,		"processing failure" },
+	{ NM_EVT_EQUIP_FAIL,		"equipment failure" },
+	{ NM_EVT_ENV_FAIL,		"environment failure" },
+	{ 0,				NULL }
+};
+
+const char *abis_nm_event_type_name(uint8_t cause)
+{
+	return get_value_string(event_type_names, cause);
+}
+
+/* Chapter 9.4.63: Perceived Severity */
+static const struct value_string severity_names[] = {
+	{ NM_SEVER_CEASED,		"failure ceased" },
+	{ NM_SEVER_CRITICAL,		"critical failure" },
+	{ NM_SEVER_MAJOR,		"major failure" },
+	{ NM_SEVER_MINOR,		"minor failure" },
+	{ NM_SEVER_WARNING,		"warning level failure" },
+	{ NM_SEVER_INDETERMINATE,	"indeterminate failure" },
+	{ 0,				NULL }
+};
+
+const char *abis_nm_severity_name(uint8_t cause)
+{
+	return get_value_string(severity_names, cause);
+}
+
+/* Attributes that the BSC can set, not only get, according to Section 9.4 */
+const enum abis_nm_attr abis_nm_att_settable[] = {
+	NM_ATT_ADD_INFO,
+	NM_ATT_ADD_TEXT,
+	NM_ATT_DEST,
+	NM_ATT_EVENT_TYPE,
+	NM_ATT_FILE_DATA,
+	NM_ATT_GET_ARI,
+	NM_ATT_HW_CONF_CHG,
+	NM_ATT_LIST_REQ_ATTR,
+	NM_ATT_MDROP_LINK,
+	NM_ATT_MDROP_NEXT,
+	NM_ATT_NACK_CAUSES,
+	NM_ATT_OUTST_ALARM,
+	NM_ATT_PHYS_CONF,
+	NM_ATT_PROB_CAUSE,
+	NM_ATT_RAD_SUBC,
+	NM_ATT_SOURCE,
+	NM_ATT_SPEC_PROB,
+	NM_ATT_START_TIME,
+	NM_ATT_TEST_DUR,
+	NM_ATT_TEST_NO,
+	NM_ATT_TEST_REPORT,
+	NM_ATT_WINDOW_SIZE,
+	NM_ATT_SEVERITY,
+	NM_ATT_MEAS_RES,
+	NM_ATT_MEAS_TYPE,
+};
+
+const struct tlv_definition abis_nm_att_tlvdef = {
+	.def = {
+		[NM_ATT_ABIS_CHANNEL] =		{ TLV_TYPE_FIXED, 3 },
+		[NM_ATT_ADD_INFO] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_ADD_TEXT] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_ADM_STATE] =		{ TLV_TYPE_TV },
+		[NM_ATT_ARFCN_LIST]=		{ TLV_TYPE_TL16V },
+		[NM_ATT_AUTON_REPORT] =		{ TLV_TYPE_TV },
+		[NM_ATT_AVAIL_STATUS] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_BCCH_ARFCN] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_BSIC] =			{ TLV_TYPE_TV },
+		[NM_ATT_BTS_AIR_TIMER] =	{ TLV_TYPE_TV },
+		[NM_ATT_CCCH_L_I_P] =		{ TLV_TYPE_TV },
+		[NM_ATT_CCCH_L_T] =		{ TLV_TYPE_TV },
+		[NM_ATT_CHAN_COMB] =		{ TLV_TYPE_TV },
+		[NM_ATT_CONN_FAIL_CRIT] =	{ TLV_TYPE_TL16V },
+		[NM_ATT_DEST] =			{ TLV_TYPE_TL16V },
+		[NM_ATT_EVENT_TYPE] =		{ TLV_TYPE_TV },
+		[NM_ATT_FILE_DATA] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_FILE_ID] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_FILE_VERSION] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_GSM_TIME] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_HSN] =			{ TLV_TYPE_TV },
+		[NM_ATT_HW_CONFIG] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_HW_DESC] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_INTAVE_PARAM] =		{ TLV_TYPE_TV },
+		[NM_ATT_INTERF_BOUND] =		{ TLV_TYPE_FIXED, 6 },
+		[NM_ATT_LIST_REQ_ATTR] =	{ TLV_TYPE_TL16V },
+		[NM_ATT_MAIO] =			{ TLV_TYPE_TV },
+		[NM_ATT_MANUF_STATE] =		{ TLV_TYPE_TV },
+		[NM_ATT_MANUF_THRESH] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_MANUF_ID] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_MAX_TA] =		{ TLV_TYPE_TV },
+		[NM_ATT_MDROP_LINK] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_MDROP_NEXT] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_NACK_CAUSES] =		{ TLV_TYPE_TV },
+		[NM_ATT_NY1] =			{ TLV_TYPE_TV },
+		[NM_ATT_OPER_STATE] =		{ TLV_TYPE_TV },
+		[NM_ATT_OVERL_PERIOD] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_PHYS_CONF] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_POWER_CLASS] =		{ TLV_TYPE_TV },
+		[NM_ATT_POWER_THRESH] =		{ TLV_TYPE_FIXED, 3 },
+		[NM_ATT_PROB_CAUSE] =		{ TLV_TYPE_FIXED, 3 },
+		[NM_ATT_RACH_B_THRESH] =	{ TLV_TYPE_TV },
+		[NM_ATT_LDAVG_SLOTS] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_RAD_SUBC] =		{ TLV_TYPE_TV },
+		[NM_ATT_RF_MAXPOWR_R] =		{ TLV_TYPE_TV },
+		[NM_ATT_SITE_INPUTS] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_SITE_OUTPUTS] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_SOURCE] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_SPEC_PROB] =		{ TLV_TYPE_TV },
+		[NM_ATT_START_TIME] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_T200] =			{ TLV_TYPE_FIXED, 7 },
+		[NM_ATT_TEI] =			{ TLV_TYPE_TV },
+		[NM_ATT_TEST_DUR] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_TEST_NO] =		{ TLV_TYPE_TV },
+		[NM_ATT_TEST_REPORT] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_VSWR_THRESH] =		{ TLV_TYPE_FIXED, 2 },
+		[NM_ATT_WINDOW_SIZE] = 		{ TLV_TYPE_TV },
+		[NM_ATT_TSC] =			{ TLV_TYPE_TV },
+		[NM_ATT_SW_CONFIG] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_SEVERITY] = 		{ TLV_TYPE_TV },
+		[NM_ATT_GET_ARI] =		{ TLV_TYPE_TL16V },
+		[NM_ATT_HW_CONF_CHG] = 		{ TLV_TYPE_TL16V },
+		[NM_ATT_OUTST_ALARM] =		{ TLV_TYPE_TV },
+		[NM_ATT_MEAS_RES] =		{ TLV_TYPE_TL16V },
+	},
+};
+
+static const struct value_string abis_nm_obj_class_names[] = {
+	{ NM_OC_SITE_MANAGER,	"SITE-MANAGER" },
+	{ NM_OC_BTS,		"BTS" },
+	{ NM_OC_RADIO_CARRIER,	"RADIO-CARRIER" },
+	{ NM_OC_BASEB_TRANSC,	"BASEBAND-TRANSCEIVER" },
+	{ NM_OC_CHANNEL,	"CHANNEL" },
+	{ NM_OC_BS11_ADJC,	"ADJC" },
+	{ NM_OC_BS11_HANDOVER,	"HANDOVER" },
+	{ NM_OC_BS11_PWR_CTRL,	"POWER-CONTROL" },
+	{ NM_OC_BS11_BTSE,	"BTSE" },
+	{ NM_OC_BS11_RACK,	"RACK" },
+	{ NM_OC_BS11_TEST,	"TEST" },
+	{ NM_OC_BS11_ENVABTSE,	"ENVABTSE" },
+	{ NM_OC_BS11_BPORT,	"BPORT" },
+	{ NM_OC_GPRS_NSE,	"GPRS-NSE" },
+	{ NM_OC_GPRS_CELL,	"GPRS-CELL" },
+	{ NM_OC_GPRS_NSVC,	"GPRS-NSVC" },
+	{ NM_OC_BS11,		"SIEMENSHW" },
+	{ 0,			NULL }
+};
+
+const char *abis_nm_obj_class_name(uint8_t oc)
+{
+	return get_value_string(abis_nm_obj_class_names, oc);
+}
+
+const char *abis_nm_opstate_name(uint8_t os)
+{
+	switch (os) {
+	case NM_OPSTATE_DISABLED:
+		return "Disabled";
+	case NM_OPSTATE_ENABLED:
+		return "Enabled";
+	case NM_OPSTATE_NULL:
+		return "NULL";
+	default:
+		return "RFU";
+	}
+}
+
+/* Chapter 9.4.7 */
+static const struct value_string avail_names[] = {
+	{ 0, 	"In test" },
+	{ 1,	"Failed" },
+	{ 2,	"Power off" },
+	{ 3,	"Off line" },
+	/* Not used */
+	{ 5,	"Dependency" },
+	{ 6,	"Degraded" },
+	{ 7,	"Not installed" },
+	{ 0xff, "OK" },
+	{ 0,	NULL }
+};
+
+const char *abis_nm_avail_name(uint8_t avail)
+{
+	return get_value_string(avail_names, avail);
+}
+
+static struct value_string test_names[] = {
+	/* FIXME: standard test names */
+	{ NM_IPACC_TESTNO_CHAN_USAGE, "Channel Usage" },
+	{ NM_IPACC_TESTNO_BCCH_CHAN_USAGE, "BCCH Channel Usage" },
+	{ NM_IPACC_TESTNO_FREQ_SYNC, "Frequency Synchronization" },
+	{ NM_IPACC_TESTNO_BCCH_INFO, "BCCH Info" },
+	{ NM_IPACC_TESTNO_TX_BEACON, "Transmit Beacon" },
+	{ NM_IPACC_TESTNO_SYSINFO_MONITOR, "System Info Monitor" },
+	{ NM_IPACC_TESTNO_BCCCH_MONITOR, "BCCH Monitor" },
+	{ 0, NULL }
+};
+
+const char *abis_nm_test_name(uint8_t test)
+{
+	return get_value_string(test_names, test);
+}
+
+static const struct value_string abis_nm_adm_state_names[] = {
+	{ NM_STATE_LOCKED,	"Locked" },
+	{ NM_STATE_UNLOCKED,	"Unlocked" },
+	{ NM_STATE_SHUTDOWN,	"Shutdown" },
+	{ NM_STATE_NULL,	"NULL" },
+	{ 0, NULL }
+};
+
+const char *abis_nm_adm_name(uint8_t adm)
+{
+	return get_value_string(abis_nm_adm_state_names, adm);
+}
+
+void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh)
+{
+	DEBUGP(ss, "OC=%s(%02x) INST=(%02x,%02x,%02x) ",
+		abis_nm_obj_class_name(foh->obj_class), foh->obj_class,
+		foh->obj_inst.bts_nr, foh->obj_inst.trx_nr,
+		foh->obj_inst.ts_nr);
+}