core: generalize interface for enabling/disabling devices

We'll use it for WWAN too.

src/nm-device-interface.c

@@ -355,3 +355,12 @@ nm_device_interface_can_assume_connection (NMDeviceInterface *device)
 	return !!NM_DEVICE_INTERFACE_GET_INTERFACE (device)->connection_match_config;
 }
 
+void
+nm_device_interface_set_enabled (NMDeviceInterface *device, gboolean enabled)
+{
+	g_return_if_fail (NM_IS_DEVICE_INTERFACE (device));
+
+	if (NM_DEVICE_INTERFACE_GET_INTERFACE (device)->set_enabled)
+		return NM_DEVICE_INTERFACE_GET_INTERFACE (device)->set_enabled (device, enabled);
+}
+

src/nm-device-interface.h

@@ -97,6 +97,8 @@ struct _NMDeviceInterface {
 
 	NMConnection * (*connection_match_config) (NMDeviceInterface *device, const GSList *specs);
 
+	void (*set_enabled) (NMDeviceInterface *device, gboolean enabled);
+
 	/* Signals */
 	void (*state_changed) (NMDeviceInterface *device,
 	                       NMDeviceState new_state,
@@ -131,4 +133,6 @@ NMConnection * nm_device_interface_connection_match_config (NMDeviceInterface *d
 
 gboolean nm_device_interface_can_assume_connection (NMDeviceInterface *device);
 
+void nm_device_interface_set_enabled (NMDeviceInterface *device, gboolean enabled);
+
 #endif /* NM_DEVICE_INTERFACE_H */

src/nm-device-wifi.c

@@ -69,8 +69,10 @@ static gboolean impl_device_get_access_points (NMDeviceWifi *device,
 
 #define WIRELESS_SECRETS_TRIES "wireless-secrets-tries"
 
+static void device_interface_init (NMDeviceInterface *iface_class);
 
-G_DEFINE_TYPE (NMDeviceWifi, nm_device_wifi, NM_TYPE_DEVICE)
+G_DEFINE_TYPE_EXTENDED (NMDeviceWifi, nm_device_wifi, NM_TYPE_DEVICE, 0,
+                        G_IMPLEMENT_INTERFACE (NM_TYPE_DEVICE_INTERFACE, device_interface_init))
 
 #define NM_DEVICE_WIFI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_WIFI, NMDeviceWifiPrivate))
 
@@ -3420,15 +3422,13 @@ nm_device_wifi_get_activation_ap (NMDeviceWifi *self)
 	return NULL;
 }
 
-void
+static void
-nm_device_wifi_set_enabled (NMDeviceWifi *self, gboolean enabled)
+real_set_enabled (NMDeviceInterface *device, gboolean enabled)
 {
-	NMDeviceWifiPrivate *priv;
+	NMDeviceWifi *self = NM_DEVICE_WIFI (device);
+	NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
 	NMDeviceState state;
 
-	g_return_if_fail (NM_IS_DEVICE_WIFI (self));
-
-	priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
 	if (priv->enabled == enabled)
 		return;
 
@@ -3490,6 +3490,12 @@ nm_device_wifi_new (const char *udi,
 	                                  NULL);
 }
 
+static void
+device_interface_init (NMDeviceInterface *iface_class)
+{
+    iface_class->set_enabled = real_set_enabled;
+}
+
 static void
 nm_device_wifi_init (NMDeviceWifi * self)
 {

src/nm-device-wifi.h

@@ -102,8 +102,6 @@ NM80211Mode	nm_device_wifi_get_mode (NMDeviceWifi *self);
 
 NMAccessPoint * nm_device_wifi_get_activation_ap (NMDeviceWifi *self);
 
-void nm_device_wifi_set_enabled (NMDeviceWifi *self, gboolean enabled);
-
 guint32 nm_device_wifi_get_ifindex (NMDeviceWifi *self);
 
 RfKillState nm_device_wifi_get_ipw_rfkill_state (NMDeviceWifi *self);

src/nm-manager.c

@@ -1184,7 +1184,7 @@ manager_set_wireless_enabled (NMManager *manager, gboolean enabled)
 	/* enable/disable wireless devices as required */
 	for (iter = priv->devices; iter; iter = iter->next) {
 		if (NM_IS_DEVICE_WIFI (iter->data))
-			nm_device_wifi_set_enabled (NM_DEVICE_WIFI (iter->data), enabled);
+			nm_device_interface_set_enabled (NM_DEVICE_INTERFACE (iter->data), enabled);
 	}
 }
 
@@ -1371,7 +1371,7 @@ add_device (NMManager *self, NMDevice *device)
 		 * then set this device's rfkill state based on the global state.
 		 */
 		nm_manager_rfkill_update (self);
-		nm_device_wifi_set_enabled (NM_DEVICE_WIFI (device), priv->wireless_enabled);
+		nm_device_interface_set_enabled (NM_DEVICE_INTERFACE (device), priv->wireless_enabled);
 	}
 
 	type_desc = nm_device_get_type_desc (device);
@@ -2562,7 +2562,7 @@ impl_manager_sleep (NMManager *self, gboolean sleep, GError **error)
 			 * to killswitch changes during sleep.
 			 */
 			if (NM_IS_DEVICE_WIFI (iter->data))
-				nm_device_wifi_set_enabled (NM_DEVICE_WIFI (iter->data), wifi_enabled);
+				nm_device_interface_set_enabled (NM_DEVICE_INTERFACE (iter->data), wifi_enabled);
 
 			nm_device_clear_autoconnect_inhibit (device);
 			if (nm_device_interface_spec_match_list (NM_DEVICE_INTERFACE (device), unmanaged_specs))