--- zzzz-none-000/linux-4.4.271/net/ipv6/netfilter/Kconfig	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/net/ipv6/netfilter/Kconfig	2023-04-19 10:22:30.000000000 +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