Network Control Model (CDC NCM)

configname: CONFIG_USB_CONFIGFS_NCM

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Gadget Support
└─>Network Control Model (CDC NCM)
In linux kernel since version 3.11 (release Date: 2013-09-02)  
NCM is an advanced protocol for Ethernet encapsulation, allows
grouping of several ethernet frames into one USB transfer and
different alignment possibilities.