//**********************************************************************
//                                                                      
// Filename: reclist.h
//                                                                      
// Description: Contains the recieve packet list class.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
// Copyright(c) Cirrus Logic Corporation 2001, All Rights Reserved                       
//                                                                      
//**********************************************************************

#ifndef _H_RECIEVE_LIST
#define _H_RECIEVE_LIST


#define NUM_RX_BUFFERS      9

//
// RX_BUFFER - Maintain NDIS receive packets and buffers to indicate
//             receive data to the protocol.
//

struct RX_BUFFER : public LIST_ENTRY
{
//    LIST_ENTRY   Linkage;
    PNDIS_PACKET pPacket;
    DWORD        cbData;
    DWORD        cbBuffer;
    LPBYTE       pbBuffer;
};

typedef struct RX_BUFFER * PRX_BUFFER;



//
// Recieve List class.
//
class  ReceiveList
{
    public:
                        ReceiveList(NDIS_HANDLE hNdisAdapter);
                        ~ReceiveList();
        NDIS_STATUS     Initialize();
        PRX_BUFFER      GetFree();
        void            ReturnBuffer(PRX_BUFFER pRxBuf);
        void            AddPendingBuffer
        (
            PRX_BUFFER      pRxBuf
        );
        
        PRX_BUFFER      RemovePendingBuffer
        (
            PNDIS_PACKET pNdisPacket
        );
        
        NDIS_STATUS     ProcessFrame
        (
            PRX_BUFFER pRxBuf
        );
        
        
        //
        // Removes all pending buffers.
        //
        void            Reset();
       
        
    private:
        LIST_ENTRY          m_FreeList;
        LIST_ENTRY          m_PendingList;
        CRITICAL_SECTION    m_CritSection;
        HANDLE              m_hPacketPool;
        HANDLE              m_hBufferPool;
        NDIS_HANDLE         m_hNdisAdapter;
};


#endif // _H_RECIEVE_LIST