/* * 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@ */ /* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */ /* * 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 it's 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_ #include <sys/appleapiopts.h> #ifdef __APPLE_API_PRIVATE struct tun_softc { u_short tun_flags; /* misc flags */ #define TUN_OPEN 0x0001 #define TUN_INITED 0x0002 #define TUN_RCOLL 0x0004 #define TUN_IASET 0x0008 #define TUN_DSTADDR 0x0010 #define TUN_RWAIT 0x0040 #define TUN_ASYNC 0x0080 #define TUN_NBIO 0x0100 #define TUN_READY (TUN_OPEN | TUN_INITED | TUN_IASET) struct ifnet tun_if; /* the interface */ int tun_pgrp; /* the process group - if any */ struct selinfo tun_rsel; /* read select */ struct selinfo tun_wsel; /* write select (not used) */ #if NBPFILTER > 0 caddr_t tun_bpf; #endif }; #endif /* __APPLE_API_PRIVATE */ /* Maximum packet size */ #define TUNMTU 1500 /* ioctl's for get/set debug */ #define TUNSDEBUG _IOW('t', 90, int) #define TUNGDEBUG _IOR('t', 89, int) #endif /* !_NET_IF_TUN_H_ */