Update README and add contrib dir

contrib/tsn/model/gPTP-header.h

@@ -0,0 +1,104 @@
+#ifndef GPTP_HEADER_H
+#define GPTP_HEADER_H
+
+#include "ns3/header.h"
+
+namespace ns3
+{
+  /**
+   * \ingroup ethernet
+   * \brief Packet header for Ethernet
+   *
+   * This class can be used to add a header to Ethernet packet.
+   */
+
+class GptpHeader : public Header
+{
+  public:
+    /**
+     * \brief Construct a gPTP header.
+     */
+    GptpHeader();
+
+    /**
+     * \brief Destroy a gPTP header.
+     */
+    ~GptpHeader() override;
+
+    /**
+     * \brief Get the TypeId
+     *
+     * \return The TypeId for this class
+     */
+    static TypeId GetTypeId();
+
+    /**
+     * \brief Get the TypeId of the instance
+     *
+     * \return The TypeId for this instance
+     */
+    TypeId GetInstanceTypeId() const override;
+
+    void Print(std::ostream& os) const override;
+    void Serialize(Buffer::Iterator start) const override;
+    uint32_t Deserialize(Buffer::Iterator start) override;
+    uint32_t GetSerializedSize() const override;
+
+
+
+    void SetMessageType(uint8_t messageType);
+    void SetMessageLenght(uint8_t messageLenght);
+    void SetDomainNumber(uint8_t domainNumber);
+    void SetTwoStepFlag(bool twoStepFlag);
+    void SetCorrectionField(uint64_t correctionField);
+    void SetClockIdentity(uint64_t clockIdentity);
+    void SetPortIdentity(uint16_t portIdentity);
+    void SetSequenceId(uint16_t sequenceId);
+    void SetLogMessageInterval(uint8_t logMessageInterval);
+
+    uint8_t GetMessageType();
+    uint8_t GetDomainNumber();
+    bool GetTwoStepFlag();
+    uint64_t GetCorrectionField();
+    uint64_t GetClockIdentity();
+    uint16_t GetPortIdentity();
+    uint16_t GetSequenceId();
+    uint8_t GetLogMessageInterval();
+
+
+  private:
+
+    //STD 802.1AS-2020 : Talbe 10-7 - PTP message header
+    uint8_t m_majorSdoId =  1;
+    uint8_t m_messageType = 0;
+    uint8_t m_minorVersionPTP = 0;
+    uint8_t m_versionPTP = 2;
+    uint16_t m_messageLenght = 0;
+    uint8_t m_domainNumber = 0;
+    uint8_t m_minorSdoId =  0;
+    //Flags :
+    bool m_alternateMasterFlag = false;
+    bool m_twoStepFlag = false;
+    bool m_unicastFlag = false;
+    bool m_ptpProfifilSpecific1Flag = false;
+    bool m_ptpProfifilSpecific2Flag = false;
+    bool m_leap61 = false;
+    bool m_leap59 = false;
+    bool m_currentUtcOffsetValid = false;
+    bool m_ptpTimescale = false;
+    bool m_timeTraceable = false;
+    bool m_frequencyTraceable = false;
+
+    uint64_t m_correctionField = 0;
+    uint32_t m_messageTypeSpecific = 0;
+    //SourceClockIdentity
+    uint64_t m_clockIndentity = 0;
+    uint16_t m_portIdentity = 0;
+
+    uint16_t m_sequenceId = 0;
+    uint8_t m_controlField = 0;
+    uint8_t m_logMessageInterval = 0;
+};
+
+}
+#endif /* GPTP_HEADER_H */