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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)slip.h 8.1 (Berkeley) 2/12/94 30 * $FreeBSD: src/sys/net/slip.h,v 1.9 1999/08/28 00:48:29 peter Exp $ 31 * $DragonFly: src/sys/net/slip.h,v 1.2 2003/06/17 04:28:48 dillon Exp $ 32 */ 33 34 #ifndef _NET_SLIP_H_ 35 #define _NET_SLIP_H_ 36 37 #include <sys/ioccom.h> 38 39 /* Ioctls operating on SLIP ttys. */ 40 #define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */ 41 #define SLIOCSKEEPAL _IOW('t', 84, int) /* set keepalive */ 42 #define SLIOCSOUTFILL _IOW('t', 83, int) /* set out fill time */ 43 #define SLIOCGKEEPAL _IOR('t', 82, int) /* get keepalive time */ 44 #define SLIOCGOUTFILL _IOR('t', 81, int) /* get out fill time */ 45 #define SLIOCSUNIT _IOW('t', 80, int) /* set slip unit number */ 46 47 /* 48 * Definitions of the pseudo-link-level header attached to slip 49 * packets grabbed by the packet filter (bpf) traffic monitor. 50 */ 51 #define SLIP_HDRLEN 16 /* BPF SLIP header length */ 52 53 /* Offsets into BPF SLIP header. */ 54 #define SLX_DIR 0 /* direction; see below */ 55 #define SLX_CHDR 1 /* compressed header data */ 56 #define CHDR_LEN 15 /* length of compressed header data */ 57 58 #define SLIPDIR_IN 0 /* incoming */ 59 #define SLIPDIR_OUT 1 /* outgoing */ 60 61 #endif /* !_NET_SLIP_H */ 62