/* $OpenBSD: if_tun.h,v 1.15 2007/02/06 10:49:40 claudio Exp $ */ /* * Copyright (c) 1988, Julian Onions <Julian.Onions@nexor.co.uk> * Nottingham University 1987. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _NET_IF_TUN_H_ #define _NET_IF_TUN_H_ #include <sys/ioccom.h> #define TUN_OPEN 0x0001 #define TUN_INITED 0x0002 #define TUN_RCOLL 0x0004 /* unused */ #define TUN_IASET 0x0008 #define TUN_DSTADDR 0x0010 #define TUN_RWAIT 0x0040 #define TUN_ASYNC 0x0080 #define TUN_NBIO 0x0100 #define TUN_BRDADDR 0x0200 #define TUN_STAYUP 0x0400 #define TUN_LAYER2 0x0800 #define TUN_READY (TUN_OPEN | TUN_INITED) /* Maximum packet size */ #define TUNMTU 3000 /* Maximum receive packet size (hard limit) */ #define TUNMRU 16384 /* iface info */ struct tuninfo { u_int mtu; u_short type; u_short flags; u_int baudrate; }; #define TUNSIFINFO _IOW('t', 91, struct tuninfo) #define TUNGIFINFO _IOR('t', 92, struct tuninfo) /* ioctl for changing the broadcast/point-to-point status */ #define TUNSIFMODE _IOW('t', 93, int) /* ioctl's for get/set debug */ #define TUNSDEBUG _IOW('t', 94, int) #define TUNGDEBUG _IOR('t', 95, int) #endif /* _NET_IF_TUN_H_ */