--- zzzz-none-000/linux-5.15.153/include/uapi/linux/if_ether.h	2024-03-26 22:23:03.000000000 +0000
+++ puma7-arm-6591-800/linux-5.15.153/include/uapi/linux/if_ether.h	2024-10-02 08:26:07.000000000 +0000
@@ -18,6 +18,10 @@
  *		as published by the Free Software Foundation; either version
  *		2 of the License, or (at your option) any later version.
  */
+/*
+Includes Intel Corporation's changes/modifications dated: 2014.
+Changed/modified portions - Copyright © 2014, Intel Corporation.
+*/
 
 #ifndef _UAPI_LINUX_IF_ETHER_H
 #define _UAPI_LINUX_IF_ETHER_H
@@ -33,8 +37,13 @@
 #define ETH_TLEN	2		/* Octets in ethernet type field */
 #define ETH_HLEN	14		/* Total octets in header.	 */
 #define ETH_ZLEN	60		/* Min. octets in frame sans FCS */
+#ifdef CONFIG_INTEL_PP_TUNNEL_SUPPORT  // Support 1800 MTU
+#define ETH_DATA_LEN	1800		/* Max. octets in payload	 */
+#define ETH_FRAME_LEN	1814		/* Max. octets in frame sans FCS */
+#else
 #define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
 #define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */
+#endif
 #define ETH_FCS_LEN	4		/* Octets in the FCS		 */
 
 #define ETH_MIN_MTU	68		/* Min IPv4 MTU per RFC791	*/