91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* Declarations specific to this driver */
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#define NTBUF 2
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#define TLEN 1
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#define NRBUF 8
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#define RLEN 3
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#define BUFSIZE 1518
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#define RAP 0xe
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#define RDP 0xc
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/* Control and status register 0 flags */
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#define ERR 0x8000
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#define BABL 0x4000
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#define CERR 0x2000
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#define MISS 0x1000
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#define MERR 0x0800
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#define RINT 0x0400
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#define TINT 0x0200
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#define IDON 0x0100
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#define INTR 0x0080
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#define INEA 0x0040
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#define RXON 0x0020
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#define TXON 0x0010
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#define TDMD 0x0008
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#define STOP 0x0004
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#define STRT 0x0002
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#define INIT 0x0001
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/* Coontrol and status register 3 flags */
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#define BSWP 0x0004
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#define ACON 0x0002
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#define BCON 0x0001
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/* Initialisation block (must be on word boundary) */
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struct init_block {
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u_short mode; /* Mode register */
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u_char padr[6]; /* Ethernet address */
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u_char ladrf[8]; /* Logical address filter (multicast) */
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u_short rdra; /* Low order pointer to receive ring */
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u_short rlen; /* High order pointer and no. rings */
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u_short tdra; /* Low order pointer to transmit ring */
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u_short tlen; /* High order pointer and no rings */
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};
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/* Mode settings */
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#define PROM 0x8000 /* Promiscuous */
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#define INTL 0x0040 /* Internal loopback */
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#define DRTY 0x0020 /* Disable retry */
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#define COLL 0x0010 /* Force collision */
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#define DTCR 0x0008 /* Disable transmit crc */
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#define LOOP 0x0004 /* Loop back */
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#define DTX 0x0002 /* Disable transmitter */
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#define DRX 0x0001 /* Disable receiver */
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/* Message descriptor structure */
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struct mds {
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u_short addr;
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u_short flags;
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u_short bcnt;
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u_short mcnt;
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};
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/* Receive ring status flags */
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#define OWN 0x8000 /* Owner bit, 0=host, 1=Lance */
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#define MDERR 0x4000 /* Error */
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#define FRAM 0x2000 /* Framing error error */
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#define OFLO 0x1000 /* Silo overflow */
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#define CRC 0x0800 /* CRC error */
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#define RBUFF 0x0400 /* Buffer error */
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#define STP 0x0200 /* Start of packet */
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#define ENP 0x0100 /* End of packet */
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/* Transmit ring flags */
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#define MORE 0x1000 /* More than 1 retry */
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#define ONE 0x0800 /* One retry */
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#define DEF 0x0400 /* Deferred transmit */
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/* Transmit errors */
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#define TBUFF 0x8000 /* Buffer error */
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#define UFLO 0x4000 /* Silo underflow */
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#define LCOL 0x1000 /* Late collision */
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#define LCAR 0x0800 /* Loss of carrier */
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#define RTRY 0x0400 /* Tried 16 times */
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