]> git.saurik.com Git - apple/xnu.git/blame - bsd/netinet/if_tun.h
xnu-517.9.4.tar.gz
[apple/xnu.git] / bsd / netinet / if_tun.h
CommitLineData
1c79356b
A
1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
e5568f75
A
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
1c79356b 11 *
e5568f75
A
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b
A
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75
A
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
1c79356b
A
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */
23/*
24 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
25 * Nottingham University 1987.
26 *
27 * This source may be freely distributed, however I would be interested
28 * in any changes that are made.
29 *
30 * This driver takes packets off the IP i/f and hands them up to a
31 * user process to have it's wicked way with. This driver has it's
32 * roots in a similar driver written by Phil Cockcroft (formerly) at
33 * UCL. This driver is based much more on read/write/select mode of
34 * operation though.
35 *
36 */
37
38#ifndef _NET_IF_TUN_H_
39#define _NET_IF_TUN_H_
9bccf70c 40#include <sys/appleapiopts.h>
1c79356b 41
9bccf70c 42#ifdef __APPLE_API_PRIVATE
1c79356b
A
43struct tun_softc {
44 u_short tun_flags; /* misc flags */
45#define TUN_OPEN 0x0001
46#define TUN_INITED 0x0002
47#define TUN_RCOLL 0x0004
48#define TUN_IASET 0x0008
49#define TUN_DSTADDR 0x0010
50#define TUN_RWAIT 0x0040
51#define TUN_ASYNC 0x0080
52#define TUN_NBIO 0x0100
53
54#define TUN_READY (TUN_OPEN | TUN_INITED | TUN_IASET)
55
56 struct ifnet tun_if; /* the interface */
57 int tun_pgrp; /* the process group - if any */
58 struct selinfo tun_rsel; /* read select */
59 struct selinfo tun_wsel; /* write select (not used) */
60#if NBPFILTER > 0
61 caddr_t tun_bpf;
62#endif
63};
9bccf70c 64#endif /* __APPLE_API_PRIVATE */
1c79356b
A
65
66/* Maximum packet size */
67#define TUNMTU 1500
68
69/* ioctl's for get/set debug */
70#define TUNSDEBUG _IOW('t', 90, int)
71#define TUNGDEBUG _IOR('t', 89, int)
72
73#endif /* !_NET_IF_TUN_H_ */