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Annotation of Net2/arch/i386/isa/if_isreg.h, revision 1.1

1.1     ! root        1: /* Declarations specific to this driver */
        !             2: #define NTBUF 2
        !             3: #define TLEN 1
        !             4: #define NRBUF 8
        !             5: #define RLEN 3
        !             6: #define BUFSIZE 1518
        !             7: #define RAP 0xe
        !             8: #define RDP 0xc
        !             9: 
        !            10: /* Control and status register 0 flags */
        !            11: 
        !            12: #define ERR    0x8000
        !            13: #define BABL   0x4000
        !            14: #define CERR   0x2000
        !            15: #define MISS   0x1000
        !            16: #define MERR   0x0800
        !            17: #define RINT   0x0400
        !            18: #define TINT   0x0200
        !            19: #define IDON   0x0100
        !            20: #define INTR   0x0080
        !            21: #define INEA   0x0040
        !            22: #define RXON   0x0020
        !            23: #define TXON   0x0010
        !            24: #define TDMD   0x0008
        !            25: #define STOP   0x0004
        !            26: #define STRT   0x0002
        !            27: #define INIT   0x0001
        !            28: 
        !            29: /* Coontrol and status register 3 flags */
        !            30: 
        !            31: #define BSWP   0x0004
        !            32: #define ACON   0x0002
        !            33: #define BCON   0x0001
        !            34: 
        !            35: /* Initialisation block (must be on word boundary) */
        !            36: 
        !            37: struct init_block {
        !            38:        u_short mode;           /* Mode register                        */
        !            39:        u_char  padr[6];                /* Ethernet address                     */
        !            40:        u_char ladrf[8];                /* Logical address filter (multicast)   */
        !            41:        u_short rdra;           /* Low order pointer to receive ring    */
        !            42:        u_short rlen;           /* High order pointer and no. rings     */
        !            43:        u_short tdra;           /* Low order pointer to transmit ring   */
        !            44:        u_short tlen;           /* High order pointer and no rings      */
        !            45:        };
        !            46: 
        !            47: /* Mode settings */
        !            48: 
        !            49: #define PROM   0x8000          /* Promiscuous          */
        !            50: #define INTL   0x0040          /* Internal loopback    */
        !            51: #define DRTY   0x0020          /* Disable retry        */
        !            52: #define COLL   0x0010          /* Force collision      */
        !            53: #define DTCR   0x0008          /* Disable transmit crc */
        !            54: #define LOOP   0x0004          /* Loop back            */
        !            55: #define DTX    0x0002          /* Disable transmitter  */
        !            56: #define DRX    0x0001          /* Disable receiver     */
        !            57: 
        !            58: /* Message descriptor structure */
        !            59: 
        !            60: struct mds {
        !            61:        u_short addr;
        !            62:        u_short flags;
        !            63:        u_short bcnt;
        !            64:        u_short mcnt;
        !            65:        };
        !            66: 
        !            67: /* Receive ring status flags */
        !            68: 
        !            69: #define OWN    0x8000          /* Owner bit, 0=host, 1=Lance   */
        !            70: #define MDERR  0x4000          /* Error                        */      
        !            71: #define FRAM   0x2000          /* Framing error error          */
        !            72: #define OFLO   0x1000          /* Silo overflow                */
        !            73: #define CRC    0x0800          /* CRC error                    */
        !            74: #define RBUFF  0x0400          /* Buffer error                 */
        !            75: #define STP    0x0200          /* Start of packet              */
        !            76: #define ENP    0x0100          /* End of packet                */
        !            77: 
        !            78: /* Transmit ring flags */
        !            79: 
        !            80: #define MORE   0x1000          /* More than 1 retry    */
        !            81: #define ONE    0x0800          /* One retry            */
        !            82: #define DEF    0x0400          /* Deferred transmit    */
        !            83: 
        !            84: /* Transmit errors */
        !            85: 
        !            86: #define TBUFF  0x8000          /* Buffer error         */
        !            87: #define UFLO   0x4000          /* Silo underflow       */
        !            88: #define LCOL   0x1000          /* Late collision       */
        !            89: #define LCAR   0x0800          /* Loss of carrier      */
        !            90: #define RTRY   0x0400          /* Tried 16 times       */

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