Annotation of sys/net/slip.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: slip.h,v 1.4 2003/06/02 23:28:12 millert Exp $ */
2: /* $NetBSD: slip.h,v 1.6 1994/06/29 06:36:53 cgd Exp $ */
3:
4: /*-
5: * Copyright (c) 1994
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)slip.h 8.1 (Berkeley) 2/12/94
33: */
34:
35: #ifndef _NET_SLIP_H_
36: #define _NET_SLIP_H_
37:
38: /* Ioctls operating on SLIP ttys. */
39: #define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */
40:
41: /*
42: * Definitions of the pseudo-link-level header attached to slip
43: * packets grabbed by the packet filter (bpf) traffic monitor.
44: */
45: #define SLIP_HDRLEN 16 /* BPF SLIP header length */
46:
47: /* Offsets into BPF SLIP header. */
48: #define SLX_DIR 0 /* direction; see below */
49: #define SLX_CHDR 1 /* compressed header data */
50: #define CHDR_LEN 15 /* length of compressed header data */
51:
52: #define SLIPDIR_IN 0 /* incoming */
53: #define SLIPDIR_OUT 1 /* outgoing */
54: #endif /* _NET_SLIP_H_ */
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