/*-
 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 *
 * $FreeBSD: src/sys/net/if_tunvar.h,v 1.7 2000/01/23 01:47:12 brian Exp $
 */

#ifndef _NET_IF_TUNVAR_H_
#define _NET_IF_TUNVAR_H_

struct tun_softc {
        cdev_t          tun_dev;        /* device */

        u_short         tun_flags;      /* misc flags */
#define TUN_OPEN        0x0001
#define TUN_INITED      0x0002
#define TUN_RCOLL       0x0004
#define TUN_IASET       0x0008
#define TUN_DSTADDR     0x0010          /* unused */
#define TUN_LMODE       0x0020
#define TUN_RWAIT       0x0040
#define TUN_ASYNC       0x0080
#define TUN_IFHEAD      0x0100
#define TUN_CLONE       0x0200
#define TUN_MANUALMAKE  0x0400
#define TUN_READY       (TUN_OPEN | TUN_INITED)

        pid_t            tun_pid;       /* PID of process to open */
        struct ifnet    *tun_ifp;       /* the interface */
        struct sigio    *tun_sigio;     /* information for async I/O */
        struct kqinfo    tun_rkq;       /* read select/poll/kq */
        struct kqinfo    tun_wkq;       /* write select/poll/kq (not used) */

        SLIST_ENTRY(tun_softc)  tun_link;       /* local tun list */
};

#endif /* !_NET_IF_TUNVAR_H_ */