1 /* 2 * Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * BASED ON: 27 * ------------------------------------------------------------------------- 28 * 29 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk> 30 * Nottingham University 1987. 31 */ 32 33 /* 34 * $FreeBSD: src/sys/net/if_tap.h,v 1.1.2.1 2000/07/27 13:57:05 nsayer Exp $ 35 * $Id: if_tap.h,v 0.7 2000/07/12 04:12:51 max Exp $ 36 */ 37 38 #ifndef _NET_IF_TAP_H_ 39 #define _NET_IF_TAP_H_ 40 41 #include <sys/ioccom.h> 42 43 /* maximum receive packet size (hard limit) */ 44 #define TAPMRU 16384 45 46 struct tapinfo { 47 int baudrate; /* linespeed */ 48 short mtu; /* maximum transmission unit */ 49 u_char type; /* IFT_ETHER only */ 50 u_char dummy; /* place holder */ 51 }; 52 53 /* get/set internal debug variable */ 54 #define TAPGDEBUG _IOR('t', 89, int) 55 #define TAPSDEBUG _IOW('t', 90, int) 56 /* get/set network interface information */ 57 #define TAPSIFINFO _IOW('t', 91, struct tapinfo) 58 #define TAPGIFINFO _IOR('t', 92, struct tapinfo) 59 /* get the network interface name */ 60 #define TAPGIFNAME _IOR('t', 93, struct ifreq) 61 62 #endif /* !_NET_IF_TAP_H_ */ 63