remote-sl.h revision 1.1 1 1.1 deraadt /*
2 1.1 deraadt * Copyright (c) 1992, 1993
3 1.1 deraadt * The Regents of the University of California. All rights reserved.
4 1.1 deraadt *
5 1.1 deraadt * This software was developed by the Computer Systems Engineering group
6 1.1 deraadt * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7 1.1 deraadt * contributed to Berkeley.
8 1.1 deraadt *
9 1.1 deraadt * All advertising materials mentioning features or use of this software
10 1.1 deraadt * must display the following acknowledgement:
11 1.1 deraadt * This product includes software developed by the University of
12 1.1 deraadt * California, Lawrence Berkeley Laboratory.
13 1.1 deraadt *
14 1.1 deraadt * Redistribution and use in source and binary forms, with or without
15 1.1 deraadt * modification, are permitted provided that the following conditions
16 1.1 deraadt * are met:
17 1.1 deraadt * 1. Redistributions of source code must retain the above copyright
18 1.1 deraadt * notice, this list of conditions and the following disclaimer.
19 1.1 deraadt * 2. Redistributions in binary form must reproduce the above copyright
20 1.1 deraadt * notice, this list of conditions and the following disclaimer in the
21 1.1 deraadt * documentation and/or other materials provided with the distribution.
22 1.1 deraadt * 3. All advertising materials mentioning features or use of this software
23 1.1 deraadt * must display the following acknowledgement:
24 1.1 deraadt * This product includes software developed by the University of
25 1.1 deraadt * California, Berkeley and its contributors.
26 1.1 deraadt * 4. Neither the name of the University nor the names of its contributors
27 1.1 deraadt * may be used to endorse or promote products derived from this software
28 1.1 deraadt * without specific prior written permission.
29 1.1 deraadt *
30 1.1 deraadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 1.1 deraadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 1.1 deraadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 1.1 deraadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 1.1 deraadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 1.1 deraadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 1.1 deraadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 1.1 deraadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 1.1 deraadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 1.1 deraadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 1.1 deraadt * SUCH DAMAGE.
41 1.1 deraadt *
42 1.1 deraadt * @(#)remote-sl.h 8.1 (Berkeley) 6/11/93
43 1.1 deraadt *
44 1.1 deraadt * from: Header: remote-sl.h,v 1.6 92/11/26 02:04:45 torek Exp (LBL)
45 1.1 deraadt * $Id: remote-sl.h,v 1.1 1993/10/02 10:23:27 deraadt Exp $
46 1.1 deraadt */
47 1.1 deraadt
48 1.1 deraadt /*
49 1.1 deraadt * These definitions are factored out into an include file so
50 1.1 deraadt * the kernel stub has access to them.
51 1.1 deraadt */
52 1.1 deraadt #define FRAME_START 0xc1 /* Frame End */
53 1.1 deraadt #define FRAME_END 0xc0 /* Frame End */
54 1.1 deraadt #define FRAME_ESCAPE 0xdb /* Frame Esc */
55 1.1 deraadt #define TRANS_FRAME_START 0xde /* transposed frame start */
56 1.1 deraadt #define TRANS_FRAME_END 0xdc /* transposed frame esc */
57 1.1 deraadt #define TRANS_FRAME_ESCAPE 0xdd /* transposed frame esc */
58 1.1 deraadt
59 1.1 deraadt /*
60 1.1 deraadt * Message limits. SL_MAXDATA is the maximum number of bytes that can
61 1.1 deraadt * be read or written. SL_BUFSIZE is the maximum amount of data that
62 1.1 deraadt * can be passed across the serial link. The actual MTU is two times
63 1.1 deraadt * the max message (since each byte might be escaped), plus the two
64 1.1 deraadt * framing bytes. We add two to the message length to account for the
65 1.1 deraadt * type byte and checksum.
66 1.1 deraadt */
67 1.1 deraadt #define SL_MAXDATA 62 /* max data that can be read */
68 1.1 deraadt #define SL_RPCSIZE (1 + SL_MAXDATA) /* errno byte + data */
69 1.1 deraadt #define SL_MTU ((2 * (SL_RPCSIZE + 2) + 2))
70