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) 1998 Brian Somers <brian@Awfulhak.org> 30 * All rights reserved. 31 * 32 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk> 33 * Nottingham University 1987. 34 */ 35 36 /* 37 * $FreeBSD: stable/10/sys/net/if_tapvar.h 240942 2012-09-25 23:41:45Z emaste $ 38 * $Id: if_tapvar.h,v 0.6 2000/07/11 02:16:08 max Exp $ 39 */ 40 41 #ifndef _NET_IF_TAPVAR_H_ 42 #define _NET_IF_TAPVAR_H_ 43 44 /* 45 * tap_mtx locks tap_flags, tap_pid. tap_next locked with global tapmtx. 46 * Other fields locked by owning subsystems. 47 */ 48 struct tap_softc { 49 struct ifnet *tap_ifp; 50 u_short tap_flags; /* misc flags */ 51 #define TAP_OPEN (1 << 0) 52 #define TAP_INITED (1 << 1) 53 #define TAP_RWAIT (1 << 2) 54 #define TAP_ASYNC (1 << 3) 55 #define TAP_READY (TAP_OPEN|TAP_INITED) 56 #define TAP_VMNET (1 << 4) 57 58 u_int8_t ether_addr[ETHER_ADDR_LEN]; /* ether addr of the remote side */ 59 60 pid_t tap_pid; /* PID of process to open */ 61 struct sigio *tap_sigio; /* information for async I/O */ 62 struct selinfo tap_rsel; /* read select */ 63 64 SLIST_ENTRY(tap_softc) tap_next; /* next device in chain */ 65 struct cdev *tap_dev; 66 struct mtx tap_mtx; /* per-softc mutex */ 67 }; 68 69 #endif /* !_NET_IF_TAPVAR_H_ */ 70