"mark" match support

modulename: xt_mark.ko

configname: CONFIG_NETFILTER_XT_MATCH_MARK

Linux Kernel Configuration
└─>Networking
└─>Networking options
└─>Network packet filtering (replaces ipchains)
└─>Core Netfilter Configuration
└─>"mark" match support
In linux kernel since version 2.6.16 (release Date: 2006-03-19)  
Netfilter mark matching allows you to match packets based on the
`nfmark' value in the packet. This can be set by the MARK target
(see below).

To compile it as a module, choose M here. If unsure, say N.

source code: