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