bsd/net/slip.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*-
  26  * Copyright (c) 1994
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  *
  57  *      @(#)slip.h      8.1 (Berkeley) 2/12/94
  58  * $FreeBSD: src/sys/net/slip.h,v 1.9 1999/08/28 00:48:29 peter Exp $
  59  */
  60
  61 #ifndef _NET_SLIP_H_
  62 #define _NET_SLIP_H_
  63 #include <sys/appleapiopts.h>
  64
  65 /* Ioctls operating on SLIP ttys. */
  66 #define SLIOCGUNIT      _IOR('t', 88, int)      /* get slip unit number */
  67 #define SLIOCSKEEPAL    _IOW('t', 84, int)      /* set keepalive */
  68 #define SLIOCSOUTFILL   _IOW('t', 83, int)      /* set out fill time */
  69 #define SLIOCGKEEPAL    _IOR('t', 82, int)      /* get keepalive time */
  70 #define SLIOCGOUTFILL   _IOR('t', 81, int)      /* get out fill time */
  71 #define SLIOCSUNIT      _IOW('t', 80, int)      /* set slip unit number */
  72
  73 /*
  74  * Definitions of the pseudo-link-level header attached to slip
  75  * packets grabbed by the packet filter (bpf) traffic monitor.
  76  */
  77 #define SLIP_HDRLEN     16              /* BPF SLIP header length */
  78
  79 /* Offsets into BPF SLIP header. */
  80 #define SLX_DIR         0               /* direction; see below */
  81 #define SLX_CHDR        1               /* compressed header data */
  82 #define CHDR_LEN        15              /* length of compressed header data */
  83
  84 #define SLIPDIR_IN      0               /* incoming */
  85 #define SLIPDIR_OUT     1               /* outgoing */
  86
  87 #endif /* !_NET_SLIP_H */