CONFIG_NF_DEFRAG_IPV6 (not configurable)

modulename: nf_defrag_ipv6.ko

configname: CONFIG_NF_DEFRAG_IPV6

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>NF_DEFRAG_IPV6
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
source code:
net/ipv6/netfilter/