[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/net/appletalk/ipddp.h b/src/kernel/linux/v4.14/drivers/net/appletalk/ipddp.h
new file mode 100644
index 0000000..9a8e45a
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/net/appletalk/ipddp.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *	ipddp.h: Header for IP-over-DDP driver for Linux.
+ */
+
+#ifndef __LINUX_IPDDP_H
+#define __LINUX_IPDDP_H
+
+#ifdef __KERNEL__
+
+#define SIOCADDIPDDPRT   (SIOCDEVPRIVATE)
+#define SIOCDELIPDDPRT   (SIOCDEVPRIVATE+1)
+#define SIOCFINDIPDDPRT  (SIOCDEVPRIVATE+2)
+
+struct ipddp_route
+{
+        struct net_device *dev;             /* Carrier device */
+        __be32 ip;                       /* IP address */
+        struct atalk_addr at;              /* Gateway appletalk address */
+        int flags;
+        struct ipddp_route *next;
+};
+
+#define IPDDP_ENCAP	1
+#define IPDDP_DECAP	2
+
+#endif	/* __KERNEL__ */
+#endif	/* __LINUX_IPDDP_H */