rtl8019.h

linux下的RTL8019驱动源码

/*------------------------------------------------------------------------
 . rtl8019.h - macros for the RTL8019AS Ethernet Driver
 .
 . (C) Copyright 2003
 .
 ---------------------------------------------------------------------------*/
#ifndef _RTL8019_H_
#define _RTL8019_H_

/*
 * This function may be called by the board specific initialisation code
 * in order to override the default mac address.
 */
err_t ne2k_send_packet(struct netif *netif, struct pbuf *p,struct ip_addr *ipaddr);
void  ne2k_recv_packet(struct netif *netif);
err_t ne2k_init       (struct netif *netif);
void __irq Exint1_ISR (void);

#define Ethernet_EINT1     (0x01<<24)       // 采用外部中断 1.
/*
 RTL8019
*/	
#define	RWPORT	(0x10)	/* dma read write address, form 0x10 - 0x17 */
#define	RstAddr (0x18)	/* reset register, 0x18, 0x1a, 0x1c, 0x1e even address is recommanded */

/* page 0 */
#define RCPORT	(0)
#define	Pstart	(1)	/* page start */
#define	Pstop	(2)	/* page stop */
#define	BNRY	(3)	
#define	TPSR	(4)	/* transmit page start */
#define	TBCR0	(5)
#define	TBCR1	(6)
#define	ISR	 	(7)	/* interrupt status register */

#define	RSAR0	(8)	/* dma read address */
#define	RSAR1	(9)
#define	RBCR0	(10)	/* dma read byte count */
#define	RBCR1	(11)

#define	RCR	(12)	/* receive config */
#define	TCR	(13)	/* transmit config */
#define	DCR	(14)	/* data config */
#define	IMR	(15)	/* interrupt mask */

#define	ID8019L	(10)
#define	ID8019H	(11)

/* page 1 */
#define	PAR0	(1)
#define	PAR1	(2)
#define	PAR2	(3)
#define	PAR3	(4)
#define	PAR4	(5)
#define	PAR6	(6)

#define	CURR	(7)		
#define	MAR0	(8)
#define	MAR1	(9)
#define	MAR2	(10)
#define	MAR3	(11)
#define	MAR4	(12)
#define	MAR5	(13)
#define	MAR6	(14)
#define	MAR7	(15)

/* page 2 */

/* page 3 */
#define	CR9346	(1)
#define	CONFIG0	(3)
#define	CONFIG1	(4)
#define	CONFIG2	(5)
#define	CONFIG3	(6)

/*
 *	IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
 *	and FCS/CRC (frame check sequence). 
 */

#define ETH_ALEN	6		/* Octets in one ethernet addr	 */
#define ETH_HLEN	14		/* Total octets in header.	 */
#define ETH_ZLEN	60		/* Min. octets in frame sans FCS */
#define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
#define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */

/*
 *	These are the defined Ethernet Protocol ID's.
 */

#define ETH_P_LOOP	0x0060		/* Ethernet Loopback packet	*/
#define ETH_P_ECHO	0x0200		/* Ethernet Echo packet		*/
#define ETH_P_PUP	0x0400		/* Xerox PUP packet		*/
#define ETH_P_IP	0x0800		/* Internet Protocol packet	*/
#define ETH_P_X25	0x0805		/* CCITT X.25			*/
#define ETH_P_ARP	0x0806		/* Address Resolution packet	*/
#define	ETH_P_BPQ	0x08FF		/* G8BPQ AX.25 Ethernet Packet	[ NOT AN OFFICIALLY REGISTERED ID ] */
#define ETH_P_DEC       0x6000          /* DEC Assigned proto           */
#define ETH_P_DNA_DL    0x6001          /* DEC DNA Dump/Load            */
#define ETH_P_DNA_RC    0x6002          /* DEC DNA Remote Console       */
#define ETH_P_DNA_RT    0x6003          /* DEC DNA Routing              */
#define ETH_P_LAT       0x6004          /* DEC LAT                      */
#define ETH_P_DIAG      0x6005          /* DEC Diagnostics              */
#define ETH_P_CUST      0x6006          /* DEC Customer use             */
#define ETH_P_SCA       0x6007          /* DEC Systems Comms Arch       */
#define ETH_P_RARP      0x8035		/* Reverse Addr Res packet	*/
#define ETH_P_ATALK	0x809B		/* Appletalk DDP		*/
#define ETH_P_AARP	0x80F3		/* Appletalk AARP		*/
#define ETH_P_IPX	0x8137		/* IPX over DIX			*/
#define ETH_P_IPV6	0x86DD		/* IPv6 over bluebook		*/

// Receive status bits
#define RS_ALGNERR	0x8000
#define RS_BRODCAST	0x4000
#define RS_BADCRC	0x2000
#define RS_ODDFRAME	0x1000	
#define RS_TOOLONG	0x0800
#define RS_TOOSHORT	0x0400
#define RS_MULTICAST	0x0001
#define RS_ERRORS	(RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) 

// 中断状态寄存器的值 
#define	ISR_PRX	        0x01                // 正确接收数据包中断。做接收处理
#define	ISR_PTX         0x02                // 正确发送数据包中断。做不做处理要看上层软件了。
#define	ISR_RXE	    	0x04                // 接收数据包出错。做重新设置BNRY＝CURR处理。 
#define	ISR_TXE	    	0x08                // 由于冲突次数过多，发送出错。做重发处理
#define	ISR_OVW	    	0x10                // 网卡内存溢出。做软件重启网卡处理。见手册。
#define	ISR_CNT	    	0x20                // 出错计数器中断，屏蔽掉（屏蔽用IMR寄存器）。
#define	ISR_RDC	        0x40                // Remote DMA结束 。屏蔽掉。轮询等待DMA结束。
#define	ISR_RST         0x80                // 网卡Reset，屏蔽掉。

// 中断屏蔽寄存器的值 
#define	ISR_PRX	    	0x01
#define	ISR_PTX	        0x02
#define	ISR_RXE	    	0x04
#define	ISR_TXE	    	0x08
#define	ISR_OVW	    	0x10
#define	ISR_CNT         0x20
#define	ISR_RDC	    	0x40
#define	ISR_RST	        0x80

#endif  /* _RTL8019_H_ */