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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * 3COM "EtherLink MC/32" Descriptions
3 */
4
5/*
6 * Registers
7 */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#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 HALTED 0
31#define RUNNING 1
32
33struct mc32_mailbox
34{
Jan Blunck6a878182006-01-08 01:05:07 -080035 u16 mbox;
36 u16 data[1];
37} __attribute((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
39struct skb_header
40{
Jan Blunck6a878182006-01-08 01:05:07 -080041 u8 status;
42 u8 control;
43 u16 next; /* Do not change! */
44 u16 length;
45 u32 data;
46} __attribute((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48struct mc32_stats
49{
50 /* RX Errors */
Jan Blunck6a878182006-01-08 01:05:07 -080051 u32 rx_crc_errors;
52 u32 rx_alignment_errors;
53 u32 rx_overrun_errors;
54 u32 rx_tooshort_errors;
55 u32 rx_toolong_errors;
56 u32 rx_outofresource_errors;
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
Jan Blunck6a878182006-01-08 01:05:07 -080058 u32 rx_discarded; /* via card pattern match filter */
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
60 /* TX Errors */
Jan Blunck6a878182006-01-08 01:05:07 -080061 u32 tx_max_collisions;
62 u32 tx_carrier_errors;
63 u32 tx_underrun_errors;
64 u32 tx_cts_errors;
65 u32 tx_timeout_errors;
Jeff Garzik6aa20a22006-09-13 13:24:59 -040066
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 /* various cruft */
Jan Blunck6a878182006-01-08 01:05:07 -080068 u32 dataA[6];
69 u16 dataB[5];
70 u32 dataC[14];
71} __attribute((packed));
Linus Torvalds1da177e2005-04-16 15:20:36 -070072
73#define STATUS_MASK 0x0F
74#define COMPLETED (1<<7)
75#define COMPLETED_OK (1<<6)
76#define BUFFER_BUSY (1<<5)
77
78#define CONTROL_EOP (1<<7) /* End Of Packet */
79#define CONTROL_EOL (1<<6) /* End of List */
80
81#define MCA_MC32_ID 0x0041 /* Our MCA ident */