[PATCH] gprs: assume attached state when registered on LTE

[Dragos Tatulea <dragos@endocode.com>]

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LTE doesn't really use the concept of an attached state. However,
the oFono API needs it. ConnMan needs it as well.
---
 src/gprs.c | 36 ++++++++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 10 deletions(-)

diff --git a/src/gprs.c b/src/gprs.c
index 9a85121..3acb412 100644
--- a/src/gprs.c
+++ b/src/gprs.c
@@ -1585,12 +1585,27 @@ static void release_active_contexts(struct ofono_gprs *gprs)
 	}
 }
 
-static void gprs_attached_update(struct ofono_gprs *gprs)
+static void gprs_set_attached_property(struct ofono_gprs *gprs,
+					ofono_bool_t attached)
 {
-	DBusConnection *conn = ofono_dbus_get_connection();
 	const char *path;
+	DBusConnection *conn = ofono_dbus_get_connection();
+	dbus_bool_t value = attached;
+
+	if (gprs->attached == attached)
+		return;
+
+	gprs->attached = attached;
+
+	path = __ofono_atom_get_path(gprs->atom);
+	ofono_dbus_signal_property_changed(conn, path,
+				OFONO_CONNECTION_MANAGER_INTERFACE,
+				"Attached", DBUS_TYPE_BOOLEAN, &value);
+}
+
+static void gprs_attached_update(struct ofono_gprs *gprs)
+{
 	ofono_bool_t attached;
-	dbus_bool_t value;
 
 	attached = gprs->driver_attached &&
 		(gprs->status == NETWORK_REGISTRATION_STATUS_REGISTERED ||
@@ -1613,13 +1628,7 @@ static void gprs_attached_update(struct ofono_gprs *gprs)
 		return;
 	}
 
-	gprs->attached = attached;
-
-	path = __ofono_atom_get_path(gprs->atom);
-	value = attached;
-	ofono_dbus_signal_property_changed(conn, path,
-				OFONO_CONNECTION_MANAGER_INTERFACE,
-				"Attached", DBUS_TYPE_BOOLEAN, &value);
+	gprs_set_attached_property(gprs, attached);
 }
 
 static void registration_status_cb(const struct ofono_error *error,
@@ -1690,6 +1699,13 @@ static void gprs_netreg_update(struct ofono_gprs *gprs)
 
 	DBG("attach: %u, driver_attached: %u", attach, gprs->driver_attached);
 
+	if (ofono_netreg_get_technology(gprs->netreg) ==
+			ACCESS_TECHNOLOGY_EUTRAN) {
+		/* Ignore attach logic for LTE. There is no such concept. */
+		gprs_set_attached_property(gprs, attach);
+		return;
+	}
+
 	if (gprs->driver_attached == attach)
 		return;
 
-- 
2.5.5