Realtek RTL8188EU Wireless LAN NIC driver

modulename: r8188eu.ko

configname: CONFIG_R8188EU

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Wireless LAN
└─>Realtek RTL8188EU Wireless LAN NIC driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option adds the Realtek RTL8188EU USB device such as TP-Link TL-WN725N.
If built as a module, it will be called r8188eu.

source code:
drivers/staging/rtl8188eu/