XDP sockets

modulename: xsk.ko

and/or

xsk_buff_pool.ko

configname: CONFIG_XDP_SOCKETS

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>XDP sockets
In linux kernel since version 4.2 (release Date: 2015-08-30)  
XDP sockets allows a channel between XDP programs and
userspace applications.

source code:
net/xdp/
depends
CONFIG_BPF_SYSCALL
CONFIG_NET