--- zzzz-none-000/linux-4.4.271/net/ipv6/netfilter/Kconfig 2021-06-03 06:22:09.000000000 +0000 +++ maple-fsgw-759/linux-4.4.271/net/ipv6/netfilter/Kconfig 2023-12-20 10:37:40.000000000 +0000 @@ -334,5 +334,14 @@ endif # IP6_NF_IPTABLES +config NF_IPV6_DUMMY_HEADER + tristate "Retain Dummy fragment header" + depends on NF_DEFRAG_IPV6 + default n + help + This option allows to retain dummy fragment header in an IPv6 packet. + Dummy fragment header is the fragment header with Fragment Offset and + M bit as 0. + endmenu