LC15: Introduce TS 12.21 8.8.2 Abis/OML failure event report

Change-Id: I908598378302bbbf6661430a7fd43828800898da

5 files changed, 135 insertions, 3 deletions

diff --git a/include/osmo-bts/oml.h b/include/osmo-bts/oml.h
index 9f494447..11824373 100644
--- a/include/osmo-bts/oml.h
+++ b/include/osmo-bts/oml.h
@@ -1,11 +1,38 @@
 #ifndef _OML_H
 #define _OML_H
+#include <osmo-bts/pcuif_proto.h>
 
 struct gsm_bts;
 struct gsm_abis_mo;
 struct msgb;
 struct gsm_lchan;
 
+struct gsm_failure_evt_rep {
+	uint8_t event_type;
+	uint8_t event_serverity;
+	uint8_t cause_type;
+	uint16_t event_cause;
+	char *add_text;
+};
+
+/* FIXME: can move to libosmocore */
+enum abis_mm_event_causes {
+	/* Critical causes */
+	NM_MM_EVT_CRIT_SW_FATAL		= 0x0000,
+	NM_MM_EVT_CRIT_PROC_STOP	= 0x0002,
+	NM_MM_EVT_CRIT_RTP_TOUT		= 0x032c,
+	NM_MM_EVT_CRIT_BOOT_FAIL	= 0x0401,
+	/* Major causes */
+	NM_MM_EVT_MAJ_UKWN_MSG		= 0x0002,
+	NM_MM_EVT_MAJ_RSL_FAIL		= 0x0309,
+	NM_MM_EVT_MAJ_UNSUP_ATTR	= 0x0318,
+	NM_MM_EVT_MAJ_NET_CONGEST	= 0x032b,
+	/* Minor causes */
+	NM_MM_EVT_MIN_PAG_TAB_FULL	= 0x0401,
+	/* Warning causes */
+	NM_MM_EVT_WARN_SW_WARN		= 0x0001,
+
+};
 
 int oml_init(void);
 int down_oml(struct gsm_bts *bts, struct msgb *msg);
@@ -42,4 +69,7 @@ int oml_mo_fom_ack_nack(struct gsm_abis_mo *mo, uint8_t orig_msg_type,
 int oml_set_lchan_t200(struct gsm_lchan *lchan);
 extern const unsigned int oml_default_t200_ms[7];
 
+/* Transmit failure event report */
+int oml_tx_failure_event_rep(struct gsm_abis_mo *mo, struct gsm_failure_evt_rep failure_evt_rep);
+
 #endif // _OML_H */
diff --git a/include/osmo-bts/pcuif_proto.h b/include/osmo-bts/pcuif_proto.h
index 9d740ac1..75e911b8 100644
--- a/include/osmo-bts/pcuif_proto.h
+++ b/include/osmo-bts/pcuif_proto.h
@@ -14,6 +14,9 @@
 #define PCU_IF_MSG_TIME_IND	0x52	/* GSM time indication */
 #define PCU_IF_MSG_PAG_REQ	0x60	/* paging request */
 
+/*alarms & performance counters */
+#define PCU_IF_MSG_FAILURE_EVT_IND 	0x67 /* PCU failure event report indication*/
+
 /* sapi */
 #define PCU_IF_SAPI_RACH	0x01	/* channel request on CCCH */
 #define PCU_IF_SAPI_AGCH	0x02	/* assignment on AGCH */
@@ -131,6 +134,14 @@ struct gsm_pcu_if_pag_req {
 	uint8_t		identity_lv[9];
 } __attribute__ ((packed));
 
+struct gsm_pcu_if_fail_evt_ind {
+	uint8_t 	event_type;
+	uint8_t 	event_serverity;
+	uint8_t 	cause_type;
+	uint16_t 	event_cause;
+	char		add_text[100];
+}__attribute__ ((packed));
+
 struct gsm_pcu_if {
 	/* context based information */
 	uint8_t		msg_type;	/* message type */
@@ -147,6 +158,7 @@ struct gsm_pcu_if {
 		struct gsm_pcu_if_act_req	act_req;
 		struct gsm_pcu_if_time_ind	time_ind;
 		struct gsm_pcu_if_pag_req	pag_req;
+		struct gsm_pcu_if_fail_evt_ind	failure_evt_ind;
 	} u;
 } __attribute__ ((packed));
 
diff --git a/src/common/main.c b/src/common/main.c
index d19c2840..a0edbff9 100644
--- a/src/common/main.c
+++ b/src/common/main.c
@@ -50,6 +50,7 @@
 #include <osmo-bts/bts_model.h>
 #include <osmo-bts/pcu_if.h>
 #include <osmo-bts/control_if.h>
+#include <osmo-bts/oml.h>
 
 int quit = 0;
 static const char *config_file = "osmo-bts.cfg";
@@ -176,18 +177,38 @@ static struct gsm_bts *bts;
 
 static void signal_handler(int signal)
 {
+	char log_msg[100];
+	struct gsm_failure_evt_rep failure_rep;
+
 	fprintf(stderr, "signal %u received\n", signal);
 
 	switch (signal) {
 	case SIGINT:
 		//osmo_signal_dispatch(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL);
-		if (!quit)
+		if (!quit) {
+			snprintf(log_msg, 100, "BTS: signal SIGINT received -> shutdown\n");
+			failure_rep.event_type = NM_EVT_PROC_FAIL;
+			failure_rep.event_serverity = NM_SEVER_CRITICAL;
+			failure_rep.cause_type = NM_PCAUSE_T_MANUF;
+			failure_rep.event_cause = NM_MM_EVT_CRIT_PROC_STOP;
+			failure_rep.add_text = (char *)&log_msg;
+			oml_tx_failure_event_rep(&bts->mo, failure_rep);
+
 			bts_shutdown(bts, "SIGINT");
+		}
 		quit++;
 		break;
 	case SIGABRT:
 	case SIGUSR1:
 	case SIGUSR2:
+		snprintf(log_msg, 100, "BTS: signal %d received\n", signal);
+		failure_rep.event_type = NM_EVT_PROC_FAIL;
+		failure_rep.event_serverity = NM_SEVER_CRITICAL;
+		failure_rep.cause_type = NM_PCAUSE_T_MANUF;
+		failure_rep.event_cause = NM_MM_EVT_CRIT_PROC_STOP;
+		failure_rep.add_text = (char *)&log_msg;
+		oml_tx_failure_event_rep(&bts->mo, failure_rep);
+
 		talloc_report_full(tall_bts_ctx, stderr);
 		break;
 	default:
diff --git a/src/common/oml.c b/src/common/oml.c
index e7953c9e..2277c377 100644
--- a/src/common/oml.c
+++ b/src/common/oml.c
@@ -41,6 +41,8 @@
 #include <osmo-bts/bts_model.h>
 #include <osmo-bts/bts.h>
 #include <osmo-bts/signal.h>
+#include <osmo-bts/pcu_if.h>
+#include <osmo-bts/pcuif_proto.h>
 
 /* FIXME: move this to libosmocore */
 static struct tlv_definition abis_nm_att_tlvdef_ipa = {
@@ -369,6 +371,38 @@ int oml_mo_tx_sw_act_rep(struct gsm_abis_mo *mo)
 	return oml_mo_send_msg(mo, nmsg, NM_MT_SW_ACTIVATED_REP);
 }
 
+/* TS 12.21 8.8.2 */
+int oml_tx_failure_event_rep(struct gsm_abis_mo *mo, struct gsm_failure_evt_rep failure_evt_rep)
+{
+	struct msgb *nmsg;
+	uint8_t cause[3];
+	int i, len;
+
+	LOGP(DOML, LOGL_INFO, "%s Tx FAILure EVT REP\n", gsm_abis_mo_name(mo));
+
+	nmsg = oml_msgb_alloc();
+	if (!nmsg)
+		return -ENOMEM;
+
+	msgb_tv_put(nmsg, NM_ATT_EVENT_TYPE, failure_evt_rep.event_type);
+	msgb_tv_put(nmsg, NM_ATT_SEVERITY, failure_evt_rep.event_serverity);
+
+	cause[0] = failure_evt_rep.cause_type;
+	for (i = 0; i < 2 ; i++)
+		cause[i + 1] = ((uint8_t*)&failure_evt_rep.event_cause)[1 - i];
+
+	msgb_tv_fixed_put(nmsg, NM_ATT_PROB_CAUSE, 3, cause);
+
+	len = strlen(failure_evt_rep.add_text);
+	if(len){
+		LOGP(DOML, LOGL_DEBUG, "%s Tx FAILure EVT REP Additional Text = %s (%d)\n", gsm_abis_mo_name(mo), failure_evt_rep.add_text, len);
+		msgb_tl16v_put(nmsg, NM_ATT_ADD_TEXT, len, failure_evt_rep.add_text);
+	}
+
+	return oml_mo_send_msg(mo, nmsg, NM_MT_FAILURE_EVENT_REP);
+
+}
+
 /* TS 12.21 9.4.53 */
 enum abis_nm_t200_idx {
 	T200_SDCCH		= 0,
diff --git a/src/common/pcu_sock.c b/src/common/pcu_sock.c
index 7c835fb9..77186c0a 100644
--- a/src/common/pcu_sock.c
+++ b/src/common/pcu_sock.c
@@ -40,6 +40,7 @@
 #include <osmo-bts/rsl.h>
 #include <osmo-bts/signal.h>
 #include <osmo-bts/l1sap.h>
+#include <osmo-bts/oml.h>
 
 uint32_t trx_get_hlayer1(struct gsm_bts_trx *trx);
 
@@ -550,11 +551,35 @@ static int pcu_rx_act_req(struct gsm_bts *bts,
 	return 0;
 }
 
+static int pcu_rx_failure_event_rep(struct gsm_bts *bts, struct gsm_pcu_if_fail_evt_ind *fail_ind)
+{
+	struct gsm_failure_evt_rep failure_rep;
+	int rc;
+
+	LOGP(DPCU, LOGL_DEBUG, "[PCU] Failure EVT REP detailed: evt_type=%02x, evt_serv=%02x, cause_type=%02x, cause_id=%04x, text=%s\n",
+			fail_ind->event_type,
+			fail_ind->event_serverity,
+			fail_ind->cause_type,
+			fail_ind->event_cause,
+			fail_ind->add_text);
+
+	failure_rep.event_type = fail_ind->event_type;
+	failure_rep.event_serverity = fail_ind->event_serverity;
+	failure_rep.cause_type = fail_ind->cause_type;
+	failure_rep.event_cause = fail_ind->event_cause;
+	failure_rep.add_text = &fail_ind->add_text[0];
+
+	rc = oml_tx_failure_event_rep(&bts->gprs.cell.mo, failure_rep);
+	return rc;
+}
+
 static int pcu_rx(struct gsm_network *net, uint8_t msg_type,
 	struct gsm_pcu_if *pcu_prim)
 {
 	int rc = 0;
 	struct gsm_bts *bts;
+	char log_msg[100];
+	struct gsm_failure_evt_rep failure_rep;
 
 	/* FIXME: allow multiple BTS */
 	bts = llist_entry(net->bts_list.next, struct gsm_bts, list);
@@ -567,9 +592,19 @@ static int pcu_rx(struct gsm_network *net, uint8_t msg_type,
 	case PCU_IF_MSG_ACT_REQ:
 		rc = pcu_rx_act_req(bts, &pcu_prim->u.act_req);
 		break;
+	case PCU_IF_MSG_FAILURE_EVT_IND:
+		rc = pcu_rx_failure_event_rep(bts, &pcu_prim->u.failure_evt_ind);
+		break;
 	default:
-		LOGP(DPCU, LOGL_ERROR, "Received unknwon PCU msg type %d\n",
-			msg_type);
+		snprintf(log_msg, 100, "Received unknown PCU msg type %d\n", msg_type);
+		LOGP(DPCU, LOGL_ERROR,"%s", log_msg);
+
+		failure_rep.event_type = NM_EVT_COMM_FAIL;
+		failure_rep.event_serverity = NM_SEVER_MAJOR;
+		failure_rep.cause_type = NM_PCAUSE_T_MANUF;
+		failure_rep.event_cause = NM_MM_EVT_MAJ_UKWN_MSG;
+		failure_rep.add_text = (char *)&log_msg;
+		oml_tx_failure_event_rep(&bts->mo, failure_rep);
 		rc = -EINVAL;
 	}