--- zzzz-none-000/linux-4.4.271/include/uapi/linux/if_arp.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/uapi/linux/if_arp.h	2023-04-19 10:22:30.000000000 +0000
@@ -59,6 +59,7 @@
 #define ARPHRD_LAPB	516		/* LAPB				*/
 #define ARPHRD_DDCMP    517		/* Digital's DDCMP protocol     */
 #define ARPHRD_RAWHDLC	518		/* Raw HDLC			*/
+#define ARPHRD_RAWIP    519		/* Raw IP                       */
 
 #define ARPHRD_TUNNEL	768		/* IPIP tunnel			*/
 #define ARPHRD_TUNNEL6	769		/* IP6IP6 tunnel       		*/