1/* 2 * 3COM "EtherLink MC/32" Descriptions 3 */ 4 5/* 6 * Registers 7 */ 8 9#define HOST_CMD 0 10#define HOST_CMD_START_RX (1<<3) 11#define HOST_CMD_SUSPND_RX (3<<3) 12#define HOST_CMD_RESTRT_RX (5<<3) 13 14#define HOST_CMD_SUSPND_TX 3 15#define HOST_CMD_RESTRT_TX 5 16 17 18#define HOST_STATUS 2 19#define HOST_STATUS_CRR (1<<6) 20#define HOST_STATUS_CWR (1<<5) 21 22 23#define HOST_CTRL 6 24#define HOST_CTRL_ATTN (1<<7) 25#define HOST_CTRL_RESET (1<<6) 26#define HOST_CTRL_INTE (1<<2) 27 28#define HOST_RAMPAGE 8 29 30#define RX_HALTED (1<<0) 31#define TX_HALTED (1<<1) 32#define HALTED (RX_HALTED | TX_HALTED) 33#define RUNNING 0 34 35struct mc32_mailbox 36{ 37 u16 mbox __attribute((packed)); 38 u16 data[1] __attribute((packed)); 39}; 40 41struct skb_header 42{ 43 u8 status __attribute((packed)); 44 u8 control __attribute((packed)); 45 u16 next __attribute((packed)); /* Do not change! */ 46 u16 length __attribute((packed)); 47 u32 data __attribute((packed)); 48}; 49 50struct mc32_stats 51{ 52 /* RX Errors */ 53 u32 rx_crc_errors __attribute((packed)); 54 u32 rx_alignment_errors __attribute((packed)); 55 u32 rx_overrun_errors __attribute((packed)); 56 u32 rx_tooshort_errors __attribute((packed)); 57 u32 rx_toolong_errors __attribute((packed)); 58 u32 rx_outofresource_errors __attribute((packed)); 59 60 u32 rx_discarded __attribute((packed)); /* via card pattern match filter */ 61 62 /* TX Errors */ 63 u32 tx_max_collisions __attribute((packed)); 64 u32 tx_carrier_errors __attribute((packed)); 65 u32 tx_underrun_errors __attribute((packed)); 66 u32 tx_cts_errors __attribute((packed)); 67 u32 tx_timeout_errors __attribute((packed)) ; 68 69 /* various cruft */ 70 u32 dataA[6] __attribute((packed)); 71 u16 dataB[5] __attribute((packed)); 72 u32 dataC[14] __attribute((packed)); 73}; 74 75#define STATUS_MASK 0x0F 76#define COMPLETED (1<<7) 77#define COMPLETED_OK (1<<6) 78#define BUFFER_BUSY (1<<5) 79 80#define CONTROL_EOP (1<<7) /* End Of Packet */ 81#define CONTROL_EOL (1<<6) /* End of List */ 82 83#define MCA_MC32_ID 0x0041 /* Our MCA ident */ 84

