/* $NetBSD: if_dmcreg.h,v 1.4 2005/12/11 12:23:29 christos Exp $ */
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)if_dmc.h 7.5 (Berkeley) 6/28/90
*/
/*
* DMC-11 Interface
*/
#ifdef notdef
struct dmcdevice {
char bsel0;
char bsel1;
char bsel2;
char bsel3;
short sel4;
short sel6;
};
#endif
/*
* dmc software packet encapsulation. This allows the dmc
* link to be multiplexed among several protocols.
* The first eight bytes of the dmc header are garbage,
* since on a vax the uba has been known to mung these
* bytes. The next two bytes encapsulate packet type.
*/
struct dmc_header {
char dmc_buf[8]; /* space for uba on vax */
short dmc_type; /* encapsulate packet type */
};
/*
* DMCMTU includes space for data (1024) +
* protocol header (256) + trailer descriptor (4).
* The software link encapsulation header (dmc_header)
* is handled separately.
#define DMCMTU 1284
*/
#define DMCMTU 1500
#define RDYSCAN 16 /* loop delay for RDYI after RQI */
