/** @file
  IKE Packet related definitions and function declarations.

  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef _IKE_V1_PACKET_H_
#define _IKE_V1_PACKET_H_

#include "Ike.h"

#define IKE_PACKET_REF(p) ((p)->RefCount++)

/**
  Allocate a buffer for the IKE_PACKET and intitalize its Header and payloadlist.

  @return The pointer of the IKE_PACKET.

**/
IKE_PACKET *
IkePacketAlloc (
  VOID
  );


/**
  Free the IkePacket by the specified IKE_PACKET pointer.

  @param[in]  IkePacket  The pointer of the IKE_PACKET to be freed.

**/
VOID
IkePacketFree (
  IN IKE_PACKET *IkePacket
  );


/**
  Copy the NetBuf into a IKE_PACKET sturcture.

  Create a IKE_PACKET and fill the received IKE header into the header of IKE_PACKET
  and copy the recieved packet without IKE HEADER to the PayloadBuf of IKE_PACKET.

  @param[in]  Netbuf      The pointer of the Netbuf which contains the whole received
                          IKE packet.

  @return The pointer of the IKE_PACKET which contains the received packet.

**/
IKE_PACKET *
IkePacketFromNetbuf (
  IN NET_BUF *Netbuf
  );

/**
  Convert the format from IKE_PACKET to NetBuf.

  @param[in]  SessionCommon  Pointer of related IKE_COMMON_SESSION
  @param[in]  IkePacket      Pointer of IKE_PACKET to be copy to NetBuf
  @param[in]  IkeType        The IKE type to pointer the packet is for which IKE
                             phase. Now it supports IKE_SA_TYPE, IKE_CHILDSA_TYPE,
                             IKE_INFO_TYPE.

  @return A pointer of Netbuff which contains the contents of the IKE_PACKE in network order.
**/
NET_BUF *
IkeNetbufFromPacket (
  IN UINT8               *SessionCommon,
  IN IKE_PACKET          *IkePacket,
  IN UINTN               IkeType
  );

#endif