mobile: Notify MM status changes and generate primitive op ind

Notify once the mm state has been changed. Unfortunaley one state
transition can immediately trigger more transitions (recursively).
In the mid-term it might be best to force all primitives to be
async to avoid unpredictable behavior (e.g. make a shutdown while
being a recursion down?)

Change-Id: I8e9dcf7fd9116985aa060ba027ba74107a19223a

1 files changed, 12 insertions, 0 deletions

diff --git a/src/host/layer23/include/osmocom/bb/mobile/primitives.h b/src/host/layer23/include/osmocom/bb/mobile/primitives.h
index 6804fc0e..39b49454 100644
--- a/src/host/layer23/include/osmocom/bb/mobile/primitives.h
+++ b/src/host/layer23/include/osmocom/bb/mobile/primitives.h
@@ -19,6 +19,7 @@ enum mobile_prims {
 	PRIM_MOB_STARTED,
 	PRIM_MOB_SHUTDOWN,
 	PRIM_MOB_SMS,
+	PRIM_MOB_MM,
 };
 
 struct mobile_prim_intf {
@@ -65,6 +66,15 @@ struct mobile_sms_param {
 	int cause;
 };
 
+/**
+ * Mobility Management (MM) state changes.
+ */
+struct mobile_mm_param {
+	int state;			/*!< The new MM state */
+	int substate;			/*!< The current substate */
+	int prev_substate;		/*!< The previous substate */
+};
+
 struct mobile_prim {
 	struct osmo_prim_hdr hdr;	/*!< Primitive base class */
 	union {
@@ -72,6 +82,7 @@ struct mobile_prim {
 		struct mobile_started_param started;
 		struct mobile_shutdown_param shutdown;
 		struct mobile_sms_param sms;
+		struct mobile_mm_param mm;
 	} u;
 };
 
@@ -86,3 +97,4 @@ void mobile_prim_ntfy_started(struct osmocom_ms *ms, bool started);
 void mobile_prim_ntfy_shutdown(struct osmocom_ms *ms, int old_state, int new_state);
 void mobile_prim_ntfy_sms_new(struct osmocom_ms *ms, struct gsm_sms *sms);
 void mobile_prim_ntfy_sms_status(struct osmocom_ms *ms, struct gsm_sms *sms, uint8_t cause);
+void mobile_prim_ntfy_mm_status(struct osmocom_ms *ms, int state, int subs, int old_subs);