Netfilter nf_tables meta module

modulename: nft_meta.ko

configname: CONFIG_NFT_META

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables meta module
In linux kernel since version 3.13 (release Date: 2014-01-19)  
source code: