<?xml version="1.0"?> <!-- ################################################### ## Tuntap PDU Message source/sink ################################################### --> <block> <name>TunTap PDU</name> <key>gr_tuntap_pdu</key> <import>from gnuradio import gr</import> <make>gr.tuntap_pdu($ifn, $mtu)</make> <param> <name>Interface Name</name> <key>ifn</key> <value>tun0</value> <type>string</type> </param> <param> <name>MTU</name> <key>mtu</key> <value>10000</value> <type>int</type> </param> <sink> <name>pdus</name> <type>message</type> <optional>1</optional> </sink> <source> <name>pdus</name> <type>message</type> <optional>1</optional> </source> </block>