FreeBSD/Linux Kernel Cross Reference
sys/i386at/if_par.h
1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 * $Log: if_par.h,v $
29 * Revision 2.2 92/02/19 16:30:03 elf
30 * Add lpr and par devices. (taken from 2.5)
31 * [92/02/13 rvb]
32 *
33 * Revision 2.2 91/04/02 12:08:52 mbj
34 * Changed protocol to utilitize LapLink cables. Incompatible with
35 * previous revisions.
36 * [91/03/15 mg32]
37 * Created 08/05/90.
38 * Parallel port network driver.
39 * [90/08/14 mg32]
40 *
41 */
42
43 /*
44 * Parallel port network driver v1.0
45 * All rights reserved.
46 */
47 #define OUTPUT(addr) (addr + 0)
48 #define INPUT(addr) (addr + 1)
49 #define INTR(addr) (addr + 2)
50
51 #define SPLNET spl6
52 #define PARMTU 8192
53 #define MAXSPIN 10000
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