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/*
 *	3COM "EtherLink MC/32" Descriptions
 */
 
/*
 *	Registers
 */
 
#define HOST_CMD		0
#define         HOST_CMD_START_RX   (1<<3)
#define         HOST_CMD_SUSPND_RX  (3<<3)
#define         HOST_CMD_RESTRT_RX  (5<<3)
 
#define         HOST_CMD_SUSPND_TX  3
#define         HOST_CMD_RESTRT_TX  5
 
 
#define HOST_STATUS		2
#define		HOST_STATUS_CRR	(1<<6)
#define		HOST_STATUS_CWR	(1<<5)
 
 
#define HOST_CTRL		6
#define		HOST_CTRL_ATTN	(1<<7)
#define 	HOST_CTRL_RESET	(1<<6)
#define 	HOST_CTRL_INTE	(1<<2)
 
#define HOST_RAMPAGE		8
 
#define HALTED 0
#define RUNNING 1
 
struct mc32_mailbox
{
 	u16 mbox;
 	u16 data[1];
} __attribute((packed));
 
struct skb_header
{
	u8 status;
	u8 control;
	u16 next;	/* Do not change! */
	u16 length;
	u32 data;
} __attribute((packed));
 
struct mc32_stats
{
	/* RX Errors */
	u32 rx_crc_errors;
	u32 rx_alignment_errors;
	u32 rx_overrun_errors;
	u32 rx_tooshort_errors;
	u32 rx_toolong_errors;
	u32 rx_outofresource_errors;
 
	u32 rx_discarded;  /* via card pattern match filter */
 
	/* TX Errors */
	u32 tx_max_collisions;
	u32 tx_carrier_errors;
	u32 tx_underrun_errors;
	u32 tx_cts_errors;
	u32 tx_timeout_errors;
 
	/* various cruft */
	u32 dataA[6];
	u16 dataB[5];
	u32 dataC[14];
} __attribute((packed));
 
#define STATUS_MASK	0x0F
#define COMPLETED	(1<<7)
#define COMPLETED_OK	(1<<6)
#define BUFFER_BUSY	(1<<5)
 
#define CONTROL_EOP	(1<<7)	/* End Of Packet */
#define CONTROL_EOL	(1<<6)	/* End of List */
 
#define MCA_MC32_ID	0x0041	/* Our MCA ident */