[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/net/tun_proto.h b/src/kernel/linux/v4.14/include/net/tun_proto.h
new file mode 100644
index 0000000..2ea3deb
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/net/tun_proto.h
@@ -0,0 +1,49 @@
+#ifndef __NET_TUN_PROTO_H
+#define __NET_TUN_PROTO_H
+
+#include <linux/kernel.h>
+
+/* One byte protocol values as defined by VXLAN-GPE and NSH. These will
+ * hopefully get a shared IANA registry.
+ */
+#define TUN_P_IPV4 0x01
+#define TUN_P_IPV6 0x02
+#define TUN_P_ETHERNET 0x03
+#define TUN_P_NSH 0x04
+#define TUN_P_MPLS_UC 0x05
+
+static inline __be16 tun_p_to_eth_p(u8 proto)
+{
+ switch (proto) {
+ case TUN_P_IPV4:
+ return htons(ETH_P_IP);
+ case TUN_P_IPV6:
+ return htons(ETH_P_IPV6);
+ case TUN_P_ETHERNET:
+ return htons(ETH_P_TEB);
+ case TUN_P_NSH:
+ return htons(ETH_P_NSH);
+ case TUN_P_MPLS_UC:
+ return htons(ETH_P_MPLS_UC);
+ }
+ return 0;
+}
+
+static inline u8 tun_p_from_eth_p(__be16 proto)
+{
+ switch (proto) {
+ case htons(ETH_P_IP):
+ return TUN_P_IPV4;
+ case htons(ETH_P_IPV6):
+ return TUN_P_IPV6;
+ case htons(ETH_P_TEB):
+ return TUN_P_ETHERNET;
+ case htons(ETH_P_NSH):
+ return TUN_P_NSH;
+ case htons(ETH_P_MPLS_UC):
+ return TUN_P_MPLS_UC;
+ }
+ return 0;
+}
+
+#endif