1 /*- 2 * Copyright (c) 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)slip.h 8.1 (Berkeley) 2/12/94 34 * $FreeBSD: src/sys/net/slip.h,v 1.9 1999/08/28 00:48:29 peter Exp $ 35 * $DragonFly: src/sys/net/slip.h,v 1.2 2003/06/17 04:28:48 dillon Exp $ 36 */ 37 38 #ifndef _NET_SLIP_H_ 39 #define _NET_SLIP_H_ 40 41 /* Ioctls operating on SLIP ttys. */ 42 #define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */ 43 #define SLIOCSKEEPAL _IOW('t', 84, int) /* set keepalive */ 44 #define SLIOCSOUTFILL _IOW('t', 83, int) /* set out fill time */ 45 #define SLIOCGKEEPAL _IOR('t', 82, int) /* get keepalive time */ 46 #define SLIOCGOUTFILL _IOR('t', 81, int) /* get out fill time */ 47 #define SLIOCSUNIT _IOW('t', 80, int) /* set slip unit number */ 48 49 /* 50 * Definitions of the pseudo-link-level header attached to slip 51 * packets grabbed by the packet filter (bpf) traffic monitor. 52 */ 53 #define SLIP_HDRLEN 16 /* BPF SLIP header length */ 54 55 /* Offsets into BPF SLIP header. */ 56 #define SLX_DIR 0 /* direction; see below */ 57 #define SLX_CHDR 1 /* compressed header data */ 58 #define CHDR_LEN 15 /* length of compressed header data */ 59 60 #define SLIPDIR_IN 0 /* incoming */ 61 #define SLIPDIR_OUT 1 /* outgoing */ 62 63 #endif /* !_NET_SLIP_H */ 64