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Annotation of Net2/arch/i386/isa/if_isreg.h, revision 1.1.1.1

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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