some problem about wireshark plugin

i was download f5ethtrailer.wireshark.plugin.1.1.tar.gz and wireshark-0.99.7.tar.gz，then extract them，then patch plugin to wireshark,then compile installed.after the procedure done,wireshark can work well and i capture packet with nnn option,but i can't see extra infor about packets. in the wireshark plugin dir ,also can't find f5ethtrailer-plugin.so i want same help,thanks!