# File lib/ohai/plugins/darwin/network.rb, line 64 def encaps_lookup(ifname) return "Loopback" if ifname.eql?("lo") return "1394" if ifname.eql?("fw") return "IPIP" if ifname.eql?("gif") return "6to4" if ifname.eql?("stf") return "dot1q" if ifname.eql?("vlan") "Unknown" end