diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-01-07 02:33:00 +0000 |
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committer | <ralf@linux-mips.org> | 1997-01-07 02:33:00 +0000 |
commit | beb116954b9b7f3bb56412b2494b562f02b864b1 (patch) | |
tree | 120e997879884e1b9d93b265221b939d2ef1ade1 /drivers/net/ni52.h | |
parent | 908d4681a1dc3792ecafbe64265783a86c4cccb6 (diff) |
Import of Linux/MIPS 2.1.14
Diffstat (limited to 'drivers/net/ni52.h')
-rw-r--r-- | drivers/net/ni52.h | 84 |
1 files changed, 55 insertions, 29 deletions
diff --git a/drivers/net/ni52.h b/drivers/net/ni52.h index 23b0a0e89..b3dfdd21a 100644 --- a/drivers/net/ni52.h +++ b/drivers/net/ni52.h @@ -51,7 +51,7 @@ struct scp_struct struct iscp_struct { unsigned char busy; /* 586 clears after successful init */ - unsigned char zero_dummy; /* hast to be zero */ + unsigned char zero_dummy; /* has to be zero */ unsigned short scb_offset; /* pointeroffset to the scb_base */ char *scb_base; /* base-address of all 16-bit offsets */ }; @@ -61,8 +61,10 @@ struct iscp_struct */ struct scb_struct { - unsigned short status; /* status word */ - unsigned short cmd; /* command word */ + unsigned char rus; + unsigned char cus; + unsigned char cmd_ruc; /* command word: RU part */ + unsigned char cmd_cuc; /* command word: CU part & ACK */ unsigned short cbl_offset; /* pointeroffset, command block list */ unsigned short rfa_offset; /* pointeroffset, receive frame area */ unsigned short crc_errs; /* CRC-Error counter */ @@ -81,31 +83,31 @@ struct scb_struct #define RUC_SUSPEND 0x0030 /* suspend RU */ #define RUC_ABORT 0x0040 /* abort receiver operation immediately */ -#define CUC_MASK 0x0700 /* mask for CU command */ -#define CUC_NOP 0x0000 /* NOP-command */ -#define CUC_START 0x0100 /* start execution of 1. cmd on the CBL */ -#define CUC_RESUME 0x0200 /* resume after suspend */ -#define CUC_SUSPEND 0x0300 /* Suspend CU */ -#define CUC_ABORT 0x0400 /* abort command operation immediately */ +#define CUC_MASK 0x07 /* mask for CU command */ +#define CUC_NOP 0x00 /* NOP-command */ +#define CUC_START 0x01 /* start execution of 1. cmd on the CBL */ +#define CUC_RESUME 0x02 /* resume after suspend */ +#define CUC_SUSPEND 0x03 /* Suspend CU */ +#define CUC_ABORT 0x04 /* abort command operation immediately */ -#define ACK_MASK 0xf000 /* mask for ACK command */ -#define ACK_CX 0x8000 /* acknowledges STAT_CX */ -#define ACK_FR 0x4000 /* ack. STAT_FR */ -#define ACK_CNA 0x2000 /* ack. STAT_CNA */ -#define ACK_RNR 0x1000 /* ack. STAT_RNR */ +#define ACK_MASK 0xf0 /* mask for ACK command */ +#define ACK_CX 0x80 /* acknowledges STAT_CX */ +#define ACK_FR 0x40 /* ack. STAT_FR */ +#define ACK_CNA 0x20 /* ack. STAT_CNA */ +#define ACK_RNR 0x10 /* ack. STAT_RNR */ /* * possible status values for the status word */ -#define STAT_MASK 0xf000 /* mask for cause of interrupt */ -#define STAT_CX 0x8000 /* CU finished cmd with its I bit set */ -#define STAT_FR 0x4000 /* RU finished receiving a frame */ -#define STAT_CNA 0x2000 /* CU left active state */ -#define STAT_RNR 0x1000 /* RU left ready state */ +#define STAT_MASK 0xf0 /* mask for cause of interrupt */ +#define STAT_CX 0x80 /* CU finished cmd with its I bit set */ +#define STAT_FR 0x40 /* RU finished receiving a frame */ +#define STAT_CNA 0x20 /* CU left active state */ +#define STAT_RNR 0x10 /* RU left ready state */ -#define CU_STATUS 0x700 /* CU status, 0=idle */ -#define CU_SUSPEND 0x100 /* CU is suspended */ -#define CU_ACTIVE 0x200 /* CU is active */ +#define CU_STATUS 0x7 /* CU status, 0=idle */ +#define CU_SUSPEND 0x1 /* CU is suspended */ +#define CU_ACTIVE 0x2 /* CU is active */ #define RU_STATUS 0x70 /* RU status, 0=idle */ #define RU_SUSPEND 0x10 /* RU suspended */ @@ -117,8 +119,10 @@ struct scb_struct */ struct rfd_struct { - unsigned short status; /* status word */ - unsigned short last; /* Bit15,Last Frame on List / Bit14,suspend */ + unsigned char stat_low; /* status word */ + unsigned char stat_high; /* status word */ + unsigned char rfd_sf; /* 82596 mode only */ + unsigned char last; /* Bit15,Last Frame on List / Bit14,suspend */ unsigned short next; /* linkoffset to next RFD */ unsigned short rbd_offset; /* pointeroffset to RBD-buffer */ unsigned char dest[6]; /* ethernet-address, destination */ @@ -127,11 +131,22 @@ struct rfd_struct unsigned short zero_dummy; /* dummy */ }; -#define RFD_LAST 0x8000 /* last: last rfd in the list */ -#define RFD_SUSP 0x4000 /* last: suspend RU after */ -#define RFD_ERRMASK 0x0fe1 /* status: errormask */ -#define RFD_MATCHADD 0x0002 /* status: Destinationaddress !matches IA */ -#define RFD_RNR 0x0200 /* status: receiver out of resources */ +#define RFD_LAST 0x80 /* last: last rfd in the list */ +#define RFD_SUSP 0x40 /* last: suspend RU after */ +#define RFD_COMPL 0x80 +#define RFD_OK 0x20 +#define RFD_BUSY 0x40 +#define RFD_ERR_LEN 0x10 /* Length error (if enabled length-checking */ +#define RFD_ERR_CRC 0x08 /* CRC error */ +#define RFD_ERR_ALGN 0x04 /* Alignment error */ +#define RFD_ERR_RNR 0x02 /* status: receiver out of resources */ +#define RFD_ERR_OVR 0x01 /* DMA Overrun! */ + +#define RFD_ERR_FTS 0x0080 /* Frame to short */ +#define RFD_ERR_NEOP 0x0040 /* No EOP flag (for bitstuffing only) */ +#define RFD_ERR_TRUN 0x0020 /* (82596 only/SF mode) indicates truncated frame */ +#define RFD_MATCHADD 0x0002 /* status: Destinationaddress !matches IA (only 82596) */ +#define RFD_COLLDET 0x0001 /* Detected collision during reception */ /* * Receive Buffer Descriptor (RBD) @@ -231,6 +246,17 @@ struct mcsetup_cmd_struct }; /* + * DUMP command + */ +struct dump_cmd_struct +{ + unsigned short cmd_status; + unsigned short cmd_cmd; + unsigned short cmd_link; + unsigned short dump_offset; /* pointeroffset to DUMP space */ +}; + +/* * transmit command */ struct transmit_cmd_struct |