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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /* $NetBSD: if_tun.h,v 1.5 1994/06/29 06:36:27 cgd Exp $ */
-
- /*
- * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
- * Nottingham University 1987.
- *
- * This source may be freely distributed, however I would be interested
- * in any changes that are made.
- *
- * This driver takes packets off the IP i/f and hands them up to a
- * user process to have its wicked way with. This driver has it's
- * roots in a similar driver written by Phil Cockcroft (formerly) at
- * UCL. This driver is based much more on read/write/select mode of
- * operation though.
- *
- */
-
- #ifndef _NET_IF_TUN_H_
- #define _NET_IF_TUN_H_
-
- /* Refer to if_tunvar.h for the softc stuff */
-
- /* Maximum transmit packet size (default) */
- #define TUNMTU 1500
-
- /* Maximum receive packet size (hard limit) */
- #define TUNMRU 16384
-
- struct tuninfo {
- int baudrate; /* linespeed */
- short mtu; /* maximum transmission unit */
- u_char type; /* ethernet, tokenring, etc. */
- u_char dummy; /* place holder */
- };
-
- /* ioctl's for get/set debug */
- #define TUNSDEBUG _IOW('t', 90, int)
- #define TUNGDEBUG _IOR('t', 89, int)
- #define TUNSIFINFO _IOW('t', 91, struct tuninfo)
- #define TUNGIFINFO _IOR('t', 92, struct tuninfo)
-
- #endif /* !_NET_IF_TUN_H_ */
-