--- zzzz-none-000/linux-5.15.111/include/linux/socket.h	2023-05-11 14:00:40.000000000 +0000
+++ puma7-arm-6670-761/linux-5.15.111/include/linux/socket.h	2024-02-07 09:28:07.000000000 +0000
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Includes Intel Corporation's changes/modifications dated: 2017.
+ * Changed/modified portions - Copyright (c) 2017, Intel Corporation.
+ */
 #ifndef _LINUX_SOCKET_H
 #define _LINUX_SOCKET_H
 
@@ -227,7 +231,13 @@
 				 * transport protocol
 				 */
 
+#if PUMA7_SOC_TYPE
+/*should be synced together with AF_HWMBOX from hw_mbox_socket.h*/
+#define AF_HWMBOX	46	/* Intel's HW_MBOX sockets	*/
+#define AF_MAX		47	/* For now.. */
+#else
 #define AF_MAX		46	/* For now.. */
+#endif
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC	AF_UNSPEC
@@ -278,6 +288,7 @@
 #define PF_SMC		AF_SMC
 #define PF_XDP		AF_XDP
 #define PF_MCTP		AF_MCTP
+#define PF_HWMBOX	AF_HWMBOX
 #define PF_MAX		AF_MAX
 
 /* Maximum queue length specifiable by listen.  */