Add WireGuard protocol support (#1557)

Author: nadongjun

Common++/header/Logger.h

@@ -103,6 +103,7 @@ namespace pcpp
 		PacketLogModuleSomeIpSdLayer,    ///< SomeIpSdLayer module (Packet++)
 		PacketLogModuleWakeOnLanLayer,   ///< WakeOnLanLayer module (Packet++)
 		PacketLogModuleSmtpLayer,        ///< SmtpLayer module (Packet++)
+		PacketLogModuleWireGuardLayer,   ///< WireGuardLayer module (Packet++)
 		PcapLogModuleWinPcapLiveDevice,  ///< WinPcapLiveDevice module (Pcap++)
 		PcapLogModuleRemoteDevice,       ///< WinPcapRemoteDevice module (Pcap++)
 		PcapLogModuleLiveDevice,         ///< PcapLiveDevice module (Pcap++)

Packet++/CMakeLists.txt

@@ -64,6 +64,7 @@ add_library(
   src/VrrpLayer.cpp
   src/VxlanLayer.cpp
   src/WakeOnLanLayer.cpp
+  src/WireGuardLayer.cpp
   # Force hash-library pcapng to be link fully static
 )
 
@@ -133,7 +134,8 @@ set(public_headers
     header/VlanLayer.h
     header/VrrpLayer.h
     header/VxlanLayer.h
-    header/WakeOnLanLayer.h)
+    header/WakeOnLanLayer.h
+    header/WireGuardLayer.h)
 
 # Don't use set_target_properties CMake limit to 50 elements
 set_property(TARGET Packet++ PROPERTY PUBLIC_HEADER ${public_headers})

Packet++/header/ProtocolType.h

@@ -347,6 +347,11 @@ namespace pcpp
 	 */
 	const ProtocolType LDAP = 55;
 
+	/*
+	 * WireGuard protocol
+	 */
+	const ProtocolType WireGuard = 56;
+
 	/**
 	 * An enum representing OSI model layers
 	 */