1*27b03b36SApple OSS Distributions /* 2*27b03b36SApple OSS Distributions * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3*27b03b36SApple OSS Distributions * 4*27b03b36SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*27b03b36SApple OSS Distributions * 6*27b03b36SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*27b03b36SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*27b03b36SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*27b03b36SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*27b03b36SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*27b03b36SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*27b03b36SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*27b03b36SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*27b03b36SApple OSS Distributions * 15*27b03b36SApple OSS Distributions * Please obtain a copy of the License at 16*27b03b36SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*27b03b36SApple OSS Distributions * 18*27b03b36SApple OSS Distributions * The Original Code and all software distributed under the License are 19*27b03b36SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*27b03b36SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*27b03b36SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*27b03b36SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*27b03b36SApple OSS Distributions * Please see the License for the specific language governing rights and 24*27b03b36SApple OSS Distributions * limitations under the License. 25*27b03b36SApple OSS Distributions * 26*27b03b36SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*27b03b36SApple OSS Distributions */ 28*27b03b36SApple OSS Distributions /* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */ 29*27b03b36SApple OSS Distributions /* 30*27b03b36SApple OSS Distributions * Copyright (c) 1988, Julian Onions <[email protected]> 31*27b03b36SApple OSS Distributions * Nottingham University 1987. 32*27b03b36SApple OSS Distributions * 33*27b03b36SApple OSS Distributions * This source may be freely distributed, however I would be interested 34*27b03b36SApple OSS Distributions * in any changes that are made. 35*27b03b36SApple OSS Distributions * 36*27b03b36SApple OSS Distributions * This driver takes packets off the IP i/f and hands them up to a 37*27b03b36SApple OSS Distributions * user process to have it's wicked way with. This driver has it's 38*27b03b36SApple OSS Distributions * roots in a similar driver written by Phil Cockcroft (formerly) at 39*27b03b36SApple OSS Distributions * UCL. This driver is based much more on read/write/select mode of 40*27b03b36SApple OSS Distributions * operation though. 41*27b03b36SApple OSS Distributions * 42*27b03b36SApple OSS Distributions */ 43*27b03b36SApple OSS Distributions 44*27b03b36SApple OSS Distributions #ifndef _NET_IF_TUN_H_ 45*27b03b36SApple OSS Distributions #define _NET_IF_TUN_H_ 46*27b03b36SApple OSS Distributions #include <sys/appleapiopts.h> 47*27b03b36SApple OSS Distributions 48*27b03b36SApple OSS Distributions #ifdef KERNEL_PRIVATE 49*27b03b36SApple OSS Distributions struct tun_softc { 50*27b03b36SApple OSS Distributions u_short tun_flags; /* misc flags */ 51*27b03b36SApple OSS Distributions #define TUN_OPEN 0x0001 52*27b03b36SApple OSS Distributions #define TUN_INITED 0x0002 53*27b03b36SApple OSS Distributions #define TUN_RCOLL 0x0004 54*27b03b36SApple OSS Distributions #define TUN_IASET 0x0008 55*27b03b36SApple OSS Distributions #define TUN_DSTADDR 0x0010 56*27b03b36SApple OSS Distributions #define TUN_RWAIT 0x0040 57*27b03b36SApple OSS Distributions #define TUN_ASYNC 0x0080 58*27b03b36SApple OSS Distributions #define TUN_NBIO 0x0100 59*27b03b36SApple OSS Distributions 60*27b03b36SApple OSS Distributions #define TUN_READY (TUN_OPEN | TUN_INITED | TUN_IASET) 61*27b03b36SApple OSS Distributions 62*27b03b36SApple OSS Distributions struct ifnet tun_if; /* the interface */ 63*27b03b36SApple OSS Distributions int tun_pgrp; /* the process group - if any */ 64*27b03b36SApple OSS Distributions struct selinfo tun_rsel; /* read select */ 65*27b03b36SApple OSS Distributions struct selinfo tun_wsel; /* write select (not used) */ 66*27b03b36SApple OSS Distributions #if NBPFILTER > 0 67*27b03b36SApple OSS Distributions caddr_t tun_bpf; 68*27b03b36SApple OSS Distributions #endif 69*27b03b36SApple OSS Distributions }; 70*27b03b36SApple OSS Distributions 71*27b03b36SApple OSS Distributions #endif /* KERNEL_PRIVATE */ 72*27b03b36SApple OSS Distributions 73*27b03b36SApple OSS Distributions /* ioctl's for get/set debug */ 74*27b03b36SApple OSS Distributions #define TUNSDEBUG _IOW('t', 90, int) 75*27b03b36SApple OSS Distributions #define TUNGDEBUG _IOR('t', 89, int) 76*27b03b36SApple OSS Distributions 77*27b03b36SApple OSS Distributions /* Maximum packet size */ 78*27b03b36SApple OSS Distributions #define TUNMTU 1500 79*27b03b36SApple OSS Distributions 80*27b03b36SApple OSS Distributions #endif /* !_NET_IF_TUN_H_ */ 81