--- zzzz-none-000/linux-5.4.213/net/dsa/Kconfig	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/net/dsa/Kconfig	2024-08-14 09:02:13.000000000 +0000
@@ -80,6 +80,13 @@
 	  Say Y if you want to enable support for tagging frames for the
 	  Microchip 8795/9477/9893 families of switches.
 
+config NET_DSA_TAG_RTL4_A
+	tristate "Tag driver for Realtek 4 byte protocol A tags"
+	help
+	  Say Y or M if you want to enable support for tagging frames for the
+	  Realtek switches with 4 byte protocol A tags, sich as found in
+	  the Realtek RTL8366RB.
+
 config NET_DSA_TAG_QCA
 	tristate "Tag driver for Qualcomm Atheros QCA8K switches"
 	help