nicmemory.h

3com 3c905网卡驱动硬件部分源码

/*******************************************************************************
*** Note: Copy rights resevered to Beijing Pacific Linkair Communications Co. 
***
*** File Name: NICMemory.h
*** Purpose  : NIC Net Driver Memory Allocation Definetions
***
*** Author   : Guangzhao Tian
*** Modified : By Guangzhao Tian at 2000/9/14
***
**/
/* 3Com 3C905B-Tx NIC Card: Vendor ID and Device ID Definition */
#define VENDOR_ID_3COM      0x10B7
#define DEVICE_ID_3C905B   	0x9055

/** Host Resources Registered and Reserved Bits definitions**/
#define NIC_IO_PORT_REGISTERED			0x00000001

#define NIC_INTERRUPT_REGISTERED		0x00000002 /*indication the Interrupt has been registerd*/
#define NIC_SHARED_MEMORY_ALLOCATED		0x00000004 /*indication the shared memory has been allocated*/

#define WAIT_TIMER_REGISTERED			0x00000008
#define NIC_TIMER_REGISTERED			0x00000010

/** Default Values for some things*/
#define NIC_DEFAULT_CACHELINESIZE       0x20

/**DPD Frame Start Header bits definition **/
#define FSH_CRC_APPEND_DISABLE		BIT_13
#define FSH_TX_INDICATE				BIT_15
#define FSH_DOWN_COMPLETE			BIT_16
#define FSH_LAST_KEEP_ALIVE_PACKET	BIT_24
#define FSH_ADD_IP_CHECKSUM			BIT_25
#define FSH_ADD_TCP_CHECKSUM		BIT_26
#define FSH_ADD_UDP_CHECKSUM		BIT_27
#define FSH_ROUND_UP_DEFEAT			BIT_28
#define FSH_DPD_EMPTY				BIT_29
#define FSH_DOWN_INDICATE			BIT_31

/**** DPD Fragment Address and Length Bit Definition ****/
#define DPD_FRAGLENGTH_MASK         0x00001FFF
#define DPD_FRAGLENGTH_LASTFRAG     BIT_31

/**  Above are definitions of the NIC Memory Manupilation
***  End of NICMemory.c
***********************************************************************************/