Add config for FreeBSD guest plugin. Allow device to be configurable

plugins/guests/freebsd/cap/configure_networks.rb

@@ -13,7 +13,8 @@ module VagrantPlugins
           machine.communicate.sudo("sed -i '' -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/rc.conf", {:shell => "sh"})
 
           networks.each do |network|
-            entry = TemplateRenderer.render("guests/freebsd/network_#{network[:type]}",
+            device = "#{machine.config.freebsd.device}#{network[:interface]}"
+            entry  = TemplateRenderer.render("guests/freebsd/network_#{network[:type]}",
                                             :options => network)
 
             # Write the entry to a temporary location
@@ -27,9 +28,9 @@ module VagrantPlugins
             machine.communicate.sudo("rm /tmp/vagrant-network-entry", {:shell => "sh"})
 
             if network[:type].to_sym == :static
-              machine.communicate.sudo("ifconfig em#{network[:interface]} inet #{network[:ip]} netmask #{network[:netmask]}", {:shell => "sh"})
+              machine.communicate.sudo("ifconfig #{device} inet #{network[:ip]} netmask #{network[:netmask]}", {:shell => "sh"})
             elsif network[:type].to_sym == :dhcp
-              machine.communicate.sudo("dhclient em#{network[:interface]}", {:shell => "sh"})
+              machine.communicate.sudo("dhclient #{device}", {:shell => "sh"})
             end
           end
         end

plugins/guests/freebsd/config.rb

@@ -0,0 +1,11 @@
+module VagrantPlugins
+  module GuestFreeBSD
+    class Config < Vagrant.plugin("2", :config)
+      attr_accessor :device
+
+      def initialize
+        @device = "em"
+      end
+    end
+  end
+end

plugins/guests/freebsd/plugin.rb

@@ -6,6 +6,11 @@ module VagrantPlugins
       name "FreeBSD guest"
       description "FreeBSD guest support."
 
+      config("freebsd") do
+        require File.expand_path("../config", __FILE__)
+        Config
+      end
+
       guest("freebsd")  do
         require File.expand_path("../guest", __FILE__)
         Guest