NETLINK: socket monitoring interface

modulename: netlink_diag.ko

configname: CONFIG_NETLINK_DIAG

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>NETLINK: socket monitoring interface
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for NETLINK socket monitoring interface used by the ss tool.
If unsure, say Y.

source code:
net/netlink//
depends
CONFIG_NET