Netfilter nf_tables counter module

modulename: nft_counter.ko

configname: CONFIG_NFT_COUNTER

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables counter module
In linux kernel since version 3.13 (release Date: 2014-01-19)  
This option adds the "counter" expression that you can use to
include packet and byte counters in a rule.

source code: