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Annotation of 43BSDReno/sys/vaxif/if_enreg.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution is only permitted until one year after the first shipment
                      6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                      7:  * binary forms are permitted provided that: (1) source distributions retain
                      8:  * this entire copyright notice and comment, and (2) distributions including
                      9:  * binaries display the following acknowledgement:  This product includes
                     10:  * software developed by the University of California, Berkeley and its
                     11:  * contributors'' in the documentation or other materials provided with the
                     12:  * distribution and in all advertising materials mentioning features or use
                     13:  * of this software.  Neither the name of the University nor the names of
                     14:  * its contributors may be used to endorse or promote products derived from
                     15:  * this software without specific prior written permission.
                     16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     19:  *
                     20:  *     @(#)if_enreg.h  7.3 (Berkeley) 6/28/90
                     21:  */
                     22: 
                     23: /*
                     24:  * Xerox experimental ethernet registers.
                     25:  *
                     26:  * N.B.: status register and device address are read/write,
                     27:  * device address is read-only, rest are WRITE ONLY!
                     28:  */
                     29: struct endevice {
                     30:        short   en_owc;         /* output word count (10 bits) */
                     31:        short   en_oba;         /* output buffer address */
                     32:        short   en_ostat;       /* output control and status */
                     33:        short   en_odelay;      /* output start delay, 25usec units  */
                     34:        short   en_iwc;         /* input word count */
                     35:        short   en_iba;         /* input buffer address */
                     36:        short   en_istat;       /* input csr */
                     37:        short   en_addr;        /* ~device address (low 8 bits) */
                     38: };
                     39: 
                     40: /*
                     41:  * Control and status bits.
                     42:  */
                     43: #define EN_IERROR      0x8000          /* CRC error, buf ovflo or overrun */
                     44: #define        EN_OERROR       0x8000          /* collision or output underrun */
                     45: #define EN_OPDONE      0x0080          /* previous operation completed */
                     46: #define EN_IEN         0x0040          /* enable interrupt when DONE */
                     47: #define        EN_PROMISCUOUS  0x0002          /* promiscuous, input any packet */
                     48: #define EN_GO          0x0001          /* start op bit */
                     49: 
                     50: #define        EN_BITS "\10\20ERR\10OPDONE\7IEN\2PROM\1GO"
                     51: 
                     52: #define        spl_enet()      spl5()

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