--- zzzz-none-000/linux-5.4.213/net/ipv6/Kconfig	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/net/ipv6/Kconfig	2024-08-14 09:02:13.000000000 +0000
@@ -304,4 +304,14 @@
 	depends on IPV6_SEG6_LWTUNNEL
 	depends on IPV6 = y
 
+config MAP_E_SUPPORT
+	bool "IPv6: MAP (RFC 7597) support"
+	default n
+	depends on IPV6
+	---help---
+	  MAP-E is a mechanism for transporting IPv4 packets across
+	  an IPv6 network using IP encapsulation.
+
+	  If unsure, say N.
+
 endif # IPV6