# Adding protocol support

You can extends you class with AbstractPacket inside pcap-codec module.

See [Ethernet](https://github.com/ardikars/pcap/blob/development/codec/src/main/java/pcap/codec/ethernet/Ethernet.java) and [Ip](https://github.com/ardikars/pcap/blob/development/codec/src/main/java/pcap/codec/ip/Ip4.java) class for example.