1 files changed, 107 insertions, 0 deletions
diff --git a/src/common/Network/Packet/VLANHeader.h b/src/common/Network/Packet/VLANHeader.h
new file mode 100755
index 00000000..cf6b2eff
--- /dev/null
+++ b/src/common/Network/Packet/VLANHeader.h
@@ -0,0 +1,107 @@
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef _VLAN_HEADER_H_
+#define _VLAN_HEADER_H_
+    
+#include "PacketHeaderBase.h"
+#include "EthernetHeader.h"
+
+
+/*   
+                              VLAN Header Fields
+                              ------------------
+                                    
+    0       2   3   4                                                            15
+    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+    |Priority| CFI |                                                             |
+    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+    |                              Type                                          |
+    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+*/
+/**
+ * This class encapsulates a VLAN header.
+ * It has fields that are equivalent to the VLAN header fields.
+ * The data is saved in network byte order, and therefore the class can be used to create a packet in a buffer
+ * and send it over the network.
+ */ 
+class VLANHeader
+{
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// Field Manipulation
+////////////////////////////////////////////////////////////////////////////////////////
+public:
+
+    // Sets the complete tag field without sub fields manipulation
+    void    setVlanTag          (uint16_t data);
+    uint16_t  getVlanTag          ();
+
+    void    setTagUserPriorty   (uint8_t data);
+    uint8_t   getTagUserPriorty   ();
+    
+    bool    getTagCFI           ();
+    void    setTagCFI           (bool);
+
+    uint16_t  getTagID            ();
+    void    setTagID            (uint16_t);
+
+    void    incrementTagID(uint16_t inc_value);
+
+    void    setFromPkt          (uint8_t* data);
+
+    uint8_t   reconstructPkt      (uint8_t* destBuff);
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// Common Interface
+////////////////////////////////////////////////////////////////////////////////////////
+
+public: 
+    uint8_t*  getPointer          (){return (uint8_t*)this;}
+    uint32_t  getSize      (){return (uint32_t)sizeof(VLANHeader);}
+
+    uint16_t  getNextProtocolNetOrder    ();
+	uint16_t  getNextProtocolHostOrder   ();
+    void    setNextProtocolFromNetOrder(uint16_t);
+	void    setNextProtocolFromHostOrder(uint16_t);
+
+    void    dump                (FILE*  fd);
+
+	static uint16_t bytesToSkip(uint8_t* base)
+	{
+		return sizeof(VLANHeader);
+	}
+
+	static uint8_t reconstructFromBuffer(uint8_t* destBuffer, uint8_t* srcBuffer);
+
+	static uint8_t fillReconstructionBuffer(uint8_t* destBuffer, uint8_t* srcBuffer);
+
+    static uint8_t fillReconstructionBuffer(uint8_t* destBuffer, VLANHeader& vHeader);
+
+    
+    static uint32_t getMaxVlanTag()  { return (1<<12) - 1 ; }
+
+public:
+    uint16_t      myTag;
+    uint16_t      myNextProtocol;
+};
+
+#include "VLANHeader.inl"
+
+#endif //_VLAN_HEADER_H_
+