Flower classifier

modulename: cls_flower.ko

configname: CONFIG_NET_CLS_FLOWER

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>QoS and/or fair queueing
└─>Flower classifier
In linux kernel since version 4.1 (release Date: 2015-06-21)  
If you say Y here, you will be able to classify packets based on
a configurable combination of packet keys and masks.

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

source code: