face: configuration option to make Ethernet face "ad hoc"

Change-Id: I55aeb2ca38ec34365b2d5d951b9ca2d7b05f46b2
Refs: #4018, #3967
diff --git a/daemon/face/ethernet-transport.hpp b/daemon/face/ethernet-transport.hpp
index d89e280..0777d74 100644
--- a/daemon/face/ethernet-transport.hpp
+++ b/daemon/face/ethernet-transport.hpp
@@ -62,7 +62,8 @@
    * @brief Creates an Ethernet-based transport for multicast communication
    */
   EthernetTransport(const NetworkInterfaceInfo& interface,
-                    const ethernet::Address& mcastAddress);
+                    const ethernet::Address& mcastAddress,
+                    ndn::nfd::LinkType linkType);
 
 protected:
   void