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Annotation of Net2/arch/vax/if/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 and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)if_enreg.h  7.3 (Berkeley) 6/28/90
                     34:  */
                     35: 
                     36: /*
                     37:  * Xerox experimental ethernet registers.
                     38:  *
                     39:  * N.B.: status register and device address are read/write,
                     40:  * device address is read-only, rest are WRITE ONLY!
                     41:  */
                     42: struct endevice {
                     43:        short   en_owc;         /* output word count (10 bits) */
                     44:        short   en_oba;         /* output buffer address */
                     45:        short   en_ostat;       /* output control and status */
                     46:        short   en_odelay;      /* output start delay, 25usec units  */
                     47:        short   en_iwc;         /* input word count */
                     48:        short   en_iba;         /* input buffer address */
                     49:        short   en_istat;       /* input csr */
                     50:        short   en_addr;        /* ~device address (low 8 bits) */
                     51: };
                     52: 
                     53: /*
                     54:  * Control and status bits.
                     55:  */
                     56: #define EN_IERROR      0x8000          /* CRC error, buf ovflo or overrun */
                     57: #define        EN_OERROR       0x8000          /* collision or output underrun */
                     58: #define EN_OPDONE      0x0080          /* previous operation completed */
                     59: #define EN_IEN         0x0040          /* enable interrupt when DONE */
                     60: #define        EN_PROMISCUOUS  0x0002          /* promiscuous, input any packet */
                     61: #define EN_GO          0x0001          /* start op bit */
                     62: 
                     63: #define        EN_BITS "\10\20ERR\10OPDONE\7IEN\2PROM\1GO"
                     64: 
                     65: #define        spl_enet()      spl5()

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