Basic classifier

modulename: cls_basic.ko

configname: CONFIG_NET_CLS_BASIC

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>QoS and/or fair queueing
└─>Basic classifier
In linux kernel since version 2.6.12  
Say Y here if you want to be able to classify packets using
only extended matches and actions.

To compile this code as a module, choose M here: the
module will be called cls_basic.

source code: