Don't ignore loopback devices and allow addresses on them being enumerated

src/libhydra/kernel/kernel_net.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2008-2012 Tobias Brunner
  * Copyright (C) 2007 Martin Willi
  * Hochschule fuer Technik Rapperswil
  *
@@ -80,11 +80,13 @@ struct kernel_net_t {
 	 * The hosts are read-only, do not modify of free.
 	 *
 	 * @param include_down_ifaces	TRUE to enumerate addresses from down interfaces
-	 * @param include_virtual_ips	TRUE to enumerate virtual ip addresses
+	 * @param include_virtual_ips	TRUE to enumerate virtual IP addresses
+	 * @param include_loopback		TRUE to enumerate addresses on loopback interfaces
 	 * @return						enumerator over host_t's
 	 */
 	enumerator_t *(*create_address_enumerator) (kernel_net_t *this,
-						bool include_down_ifaces, bool include_virtual_ips);
+							bool include_down_ifaces, bool include_virtual_ips,
+							bool include_loopback);
 
 	/**
 	 * Add a virtual IP to an interface.