|  | /* | 
|  | *	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 */ |