CONFIG_SOCK_VALIDATE_XMIT (not configurable)

configname: CONFIG_SOCK_VALIDATE_XMIT

Linux Kernel Configuration
└─>Networking support
└─>SOCK_VALIDATE_XMIT
In linux kernel since version 4.2 (release Date: 2015-08-30)  
depends
CONFIG_NET

is depended by
CONFIG_TLS_DEVICE