ez_lan_types.h

Analog公司的ADSP_BF532上面实现以太网接口的源码

//##############################################################
//#
//# EZ_LAN_TYPES.H
//#
//# ADSP-21535 Embedded Web Server Project
//#
//# (c) ANALOG DEVICES 2002
//#     eDSP Division
//#     Stefan Hacker
//#     23-DEC-2002
//#
//# History
//#     16-APR-2003 HS  release 1.0
//#

#ifndef __ez_lan_types_h__
#define __ez_lan_types_h__

////////////////////////////
// General Type Declarations
#define BYTE    unsigned char
#define WORD    unsigned short
#define DWORD   unsigned int

////////////////////////////
// ATA CMD Buffer Structure
struct ATA_CMD_BUF {
        BYTE    CMD;
        BYTE    DH;
        BYTE    CH;
        BYTE    CL;
        BYTE    SN;
        BYTE    SC;
};

////////////////////////////
// ATA Drive Parameter Structure
struct ATA_DPARA {
        DWORD BPB_HiddSec;
        DWORD BPB_TotSec32;
        DWORD BS_VolID;
        WORD  BPB_BytsPerSec;
        WORD  BPB_RsvdSecCnt;
        WORD  BPB_RootEntCnt;
        WORD  BPB_TotSec16;
        WORD  BPB_FATSz16;
        WORD  BPB_SecPerTrk;
        WORD  BPB_NumHeads;
        WORD  BPB_id1;
        WORD  BPB_id2;
        BYTE  BS_jmpBoot[3];
        BYTE  BS_OEMName[9];
        BYTE  BPB_SecPerClus;
        BYTE  BPB_NumFATs;
        BYTE  BPB_Media;
        BYTE  BS_DrvNum;
        BYTE  BS_Reserved1;
        BYTE  BS_BootSig;
        BYTE  BS_VolLab[12];
        BYTE  BS_FileSysType[9];
};

////////////////////////////
// ATA Drive Parameter Structure
struct  ATA_DIRENTRY {
        DWORD DIR_FileSize;
        WORD  DIR_FstClusHI;
        WORD  DIR_FstClusLO;
        WORD  DIR_CrtTime;
        WORD  DIR_CrtDate;
        WORD  DIR_LstAccDate;
        WORD  DIR_WrtTime;
        WORD  DIR_WrtDate;
        BYTE  DIR_Name[13];
        BYTE  DIR_Attr;
        BYTE  DIR_NTRes;
        BYTE  DIR_CrtTimeTenth;
};

////////////////////////////
// ATA Drive Parameter Structure
struct  ATA_DIRSHORT {
        DWORD DIR_FileSize;
        WORD  DIR_FstClusLO;
        BYTE  DIR_Name[13];
        BYTE  DIR_Attr;
};

////////////////////////////
// LAN Controller Structure
struct SMC_LOCAL {
    // This keeps track of how many packets that I have
    // sent out.  When an TX_EMPTY interrupt comes, I know
    // that all of these have been sent.
    WORD    packets_waiting;

    // Last contents of PHY Register 18
    WORD    lastPhy18;

    // Contains the current active transmission mode
    WORD    tcr_cur_mode;

    // Contains the current active receive mode
    WORD    rcr_cur_mode;

    // Contains the current active receive/phy mode
    WORD    rpc_cur_mode;

    // Memory allocation for TX flag
    WORD    alloc_success;

    ////////////////
    // DEBUG SECTION
    // Contains the last packet size in receive
    WORD    rpsize;

    // Set to true during the auto-negotiation sequence
    BYTE    autoneg_active;

    // Debug of the IRQ Service
    BYTE    last_IRQ_serviced;
};

////////////////////////////
// Ethernet Packet
struct ETH_PACKET {
    // max. 2048 bytes, here: actual length
#pragma align 4
    WORD    length;
    // in use or available
    WORD    busy;

#ifndef USE_16_BIT
    DWORD   data[190];
#else
    WORD    data[320];
#endif
};

////////////////////////////
// Error Statistics
struct netdev_stats
{
    unsigned short  rx_packets;         // total packets received
    unsigned short  tx_packets;         // total packets transmitted
    unsigned short  rx_bytes;           // total bytes received
    unsigned short  tx_bytes;           // total bytes transmitted
    unsigned short  rx_errors;          // bad packets received
    unsigned short  tx_errors;          // packet transmit problems
    unsigned short  rx_dropped;         // no space in linux buffers
    unsigned short  tx_dropped;         // no space available in linux
    unsigned short  multicast;          // multicast packets received
    unsigned short  collisions;         // total collisions

    /* detailed rx_errors: */
    unsigned short  rx_length_errors;   // packet too long or too short
    unsigned short  rx_over_errors;     // receiver ring buff overflow
    unsigned short  rx_crc_errors;      // recved pkt with crc error
    unsigned short  rx_frame_errors;    // recv'd frame alignment error
    unsigned short  rx_fifo_errors;     // recv'r fifo overrun
    unsigned short  rx_missed_errors;   // receiver missed packet

    /* detailed tx_errors */
    unsigned short  tx_aborted_errors;
    unsigned short  tx_carrier_errors;
    unsigned short  tx_fifo_errors;
    unsigned short  tx_heartbeat_errors;
    unsigned short  tx_window_errors;
};

////////////////////////////
// TCP Statemachine according to RFC793
typedef enum {
    CLOSED,
    LISTENING,
    SYN_SENT,
    SYN_RECD,
    ESTABLISHED,
    FIN_WAIT_1,
    FIN_WAIT_2,
    CLOSE_WAIT,
    CLOSING,
    LAST_ACK,
    TIME_WAIT
} tTCPStateMachine;

////////////////////////////
// type of last frame sent. used for retransmissions
typedef enum {
    ARP_REQUEST,
    TCP_SYN_FRAME,
    TCP_SYN_ACK_FRAME,
    TCP_FIN_FRAME,
    TCP_DATA_FRAME
} tLastFrameSent;


#endif  // __ez_lan_types.h__