ZeroTierOne/windows/TapDriver6/tap-windows.h

84 lines
3.2 KiB
C

/*
* TAP-Windows -- A kernel driver to provide virtual tap
* device functionality on Windows.
*
* This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
*
* This source code is Copyright (C) 2002-2014 OpenVPN Technologies, Inc.,
* 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
*/
#ifndef __TAP_WIN_H
#define __TAP_WIN_H
/*
* =============
* TAP IOCTLs
* =============
*/
#define TAP_WIN_CONTROL_CODE(request,method) \
CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)
/* Present in 8.1 */
#define TAP_WIN_IOCTL_GET_MAC TAP_WIN_CONTROL_CODE (1, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_GET_VERSION TAP_WIN_CONTROL_CODE (2, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_GET_MTU TAP_WIN_CONTROL_CODE (3, METHOD_BUFFERED)
//#define TAP_WIN_IOCTL_GET_INFO TAP_WIN_CONTROL_CODE (4, METHOD_BUFFERED)
//#define TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT TAP_WIN_CONTROL_CODE (5, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_SET_MEDIA_STATUS TAP_WIN_CONTROL_CODE (6, METHOD_BUFFERED)
//#define TAP_WIN_IOCTL_CONFIG_DHCP_MASQ TAP_WIN_CONTROL_CODE (7, METHOD_BUFFERED)
#if DBG
#define TAP_WIN_IOCTL_GET_LOG_LINE TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED)
#endif
//#define TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT TAP_WIN_CONTROL_CODE (9, METHOD_BUFFERED)
/* Added in 8.2 */
/* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */
//#define TAP_WIN_IOCTL_CONFIG_TUN TAP_WIN_CONTROL_CODE (10, METHOD_BUFFERED)
// Used by ZT1 to get multicast memberships at the L2 level -- Windows provides no native way to do this that I know of
#define TAP_WIN_IOCTL_GET_MULTICAST_MEMBERSHIPS TAP_WIN_CONTROL_CODE (11, METHOD_BUFFERED)
// Must be the same as NIC_MAX_MCAST_LIST in constants.h
#define TAP_MAX_MCAST_LIST 128
// Amount of memory that must be provided to ioctl TAP_WIN_IOCTL_GET_MULTICAST_MEMBERSHIPS
#define TAP_WIN_IOCTL_GET_MULTICAST_MEMBERSHIPS_OUTPUT_BUF_SIZE (TAP_MAX_MCAST_LIST * 6)
/*
* =================
* Registry keys
* =================
*/
#define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
#define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
/*
* ======================
* Filesystem prefixes
* ======================
*/
#define USERMODEDEVICEDIR "\\\\.\\Global\\"
#define SYSDEVICEDIR "\\Device\\"
#define USERDEVICEDIR "\\DosDevices\\Global\\"
#define TAP_WIN_SUFFIX ".tap"
#endif // __TAP_WIN_H