#ifndef _DEV_AX88796_H_#define _DEV_AX88796_H_#include <netinet/if_ether.h>#include <net/ether.h>#include <net/if_var.h>/*! * brief Network interface controller information structure and type. */typedef struct {    HANDLE volatile ni_rx_rdy;      /*!< Receiver event queue. */    HANDLE volatile ni_tx_rdy;      /*!< Transmitter event queue. */    u_short ni_tx_cnt;              /*!< Number of bytes in transmission queue. */    u_long ni_rx_packets;           /*!< Number of packets received. */    u_long ni_tx_packets;           /*!< Number of packets sent. */    u_long ni_interrupts;           /*!< Number of interrupts. */    u_long ni_overruns;             /*!< Number of packet overruns. */    u_long ni_rx_frame_errors;      /*!< Number of frame errors. */    u_long ni_rx_crc_errors;        /*!< Number of CRC errors. */    u_long ni_rx_missed_errors;     /*!< Number of missed packets. */    u_char volatile ni_tx_bsy;      /*!< NIC transmitter busy flags. */    u_long ni_rx_pending;           /*!< Number of pending receiver interrupts. */    u_char ni_curr_page;            /*!< Current receive page. */}NICINFO;/* * Available drivers. */extern NUTDEVICE devAx88796;#ifndef DEV_ETHER#define DEV_ETHER   devAx88796#endif#ifndef devEth0#define devEth0   devAx88796#endif/*!  * \brief Charon III Ethernet controller parameters. */#define ASIX_BASE        0x20000000/* ! Read and write byte from controller */#define Asix_Read(reg) *(unsigned char *) (reg + ASIX_BASE)#define Asix_ReadWord(reg) *(unsigned short *) (reg + ASIX_BASE)#define Asix_Write(reg, data) *(unsigned char *) (reg + ASIX_BASE) = data#define Asix_WriteWord(reg, data) *(unsigned short *) (reg + ASIX_BASE) = data// buffer boundaries - transmit has 6 256-byte pages = 1536//   receive has 52 256-byte pages = 14848//   entire available packet buffer space is allocated#define TXSTART_INIT   	0x40#define RXSTART_INIT   	0x46#define RXSTOP_INIT    	0x80extern int AsixInit(NUTDEVICE *dev);extern int AsixOutput(NUTDEVICE *dev, NETBUF *nb);void NicPhyWrite(u_char reg, u_short val);u_short NicPhyRead(u_char reg);#endif