1 /* 2 * Copyright (c) 1988, Julian Onions. 3 * 4 * This source may be freely distributed, however I would be interested 5 * in any changes that are made. 6 * 7 * from: $Header: if_tnreg.h,v 1.1.2.1 1992/07/16 22:39:16 friedl Exp 8 * $Id: if_tun.h,v 1.1 1993/11/14 20:07:23 deraadt Exp $ 9 */ 10 11 #ifndef _NET_IF_TUN_H_ 12 #define _NET_IF_TUN_H_ 13 14 struct tun_softc { 15 u_short tun_flags; /* misc flags */ 16 #define TUN_OPEN 0x0001 17 #define TUN_INITED 0x0002 18 #define TUN_RCOLL 0x0004 19 #define TUN_IASET 0x0008 20 #define TUN_DSTADDR 0x0010 21 #define TUN_READY 0x0020 22 #define TUN_RWAIT 0x0040 23 #define TUN_ASYNC 0x0080 24 #define TUN_NBIO 0x0100 25 struct ifnet tun_if; /* the interface */ 26 int tun_pgrp; /* the process group - if any */ 27 struct selinfo tun_rsel; /* read select */ 28 struct selinfo tun_wsel; /* write select (not used) */ 29 }; 30 31 /* Maximum packet size */ 32 #define TUNMTU 0x1000 33 34 /* ioctl's for get/set debug */ 35 #define TUNSDEBUG _IOW('t', 90, int) 36 #define TUNGDEBUG _IOR('t', 89, int) 37 38 #endif /* !_NET_IF_TUN_H_ */ 39