/* *  TAP-Win32 -- A kernel driver to provide virtual tap device functionality *               on Windows.  Originally derived from the CIPE-Win32 *               project by Damion K. Wilson, with extensive modifications by *               James Yonan. * *  All source code which derives from the CIPE-Win32 project is *  Copyright (C) Damion K. Wilson, 2003, and is released under the *  GPL version 2 (see below). * *  All other source code is Copyright (C) 2002-2005 OpenVPN Solutions LLC, *  and is released under the GPL version 2 (see below). * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License version 2 *  as published by the Free Software Foundation. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program (see the file COPYING included with this *  distribution); if not, write to the Free Software Foundation, Inc., *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *///====================================================================//                        Product and Version public settings//====================================================================#define PRODUCT_STRING "TAP-Win32 Adapter V8 (coLinux)"#define TAP_NDIS_MAJOR_VERSION 5#define TAP_NDIS_MINOR_VERSION 0//===========================================================// Driver constants//===========================================================#define ETHERNET_HEADER_SIZE     (sizeof (ETH_HEADER))#define ETHERNET_MTU             1500#define ETHERNET_PACKET_SIZE     (ETHERNET_MTU + ETHERNET_HEADER_SIZE)#define DEFAULT_PACKET_LOOKAHEAD (ETHERNET_PACKET_SIZE)#define NIC_MAX_MCAST_LIST 32  // Max length of multicast address list#define MINIMUM_MTU 576        // USE TCP Minimum MTU#define MAXIMUM_MTU 65536      // IP maximum MTU#define PACKET_QUEUE_SIZE   64 // tap -> userspace queue size#define IRP_QUEUE_SIZE      16 // max number of simultaneous i/o operations from userspace#define TAP_LITTLE_ENDIAN      // affects ntohs, htonl, etc. functions