release/src/router/openvpn/tap-win32/common.h

   1 /*
   2  *  TAP-Win32/TAP-Win64 -- A kernel driver to provide virtual tap
   3  *                         device functionality on Windows.
   4  *
   5  *  This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
   6  *
   7  *  This source code is Copyright (C) 2002-2009 OpenVPN Technologies, Inc.,
   8  *  and is released under the GPL version 2 (see below).
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License version 2
  12  *  as published by the Free Software Foundation.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program (see the file COPYING included with this
  21  *  distribution); if not, write to the Free Software Foundation, Inc.,
  22  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 //===============================================
  26 // This file is included both by OpenVPN and
  27 // the TAP-Win32 driver and contains definitions
  28 // common to both.
  29 //===============================================
  30
  31 #if defined(HAVE_CONFIG_H)
  32 #include "config.h"
  33 #else
  34 #if defined(_MSC_VER) && !defined(TAP_DRIVER_MAJOR_VERSION)
  35 #include "config-win32.h"
  36 #else
  37 #include "../config.h"
  38 #endif
  39 #endif
  40
  41 //=============
  42 // TAP IOCTLs
  43 //=============
  44
  45 #define TAP_CONTROL_CODE(request,method) \
  46   CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)
  47
  48 // Present in 8.1
  49
  50 #define TAP_IOCTL_GET_MAC               TAP_CONTROL_CODE (1, METHOD_BUFFERED)
  51 #define TAP_IOCTL_GET_VERSION           TAP_CONTROL_CODE (2, METHOD_BUFFERED)
  52 #define TAP_IOCTL_GET_MTU               TAP_CONTROL_CODE (3, METHOD_BUFFERED)
  53 #define TAP_IOCTL_GET_INFO              TAP_CONTROL_CODE (4, METHOD_BUFFERED)
  54 #define TAP_IOCTL_CONFIG_POINT_TO_POINT TAP_CONTROL_CODE (5, METHOD_BUFFERED)
  55 #define TAP_IOCTL_SET_MEDIA_STATUS      TAP_CONTROL_CODE (6, METHOD_BUFFERED)
  56 #define TAP_IOCTL_CONFIG_DHCP_MASQ      TAP_CONTROL_CODE (7, METHOD_BUFFERED)
  57 #define TAP_IOCTL_GET_LOG_LINE          TAP_CONTROL_CODE (8, METHOD_BUFFERED)
  58 #define TAP_IOCTL_CONFIG_DHCP_SET_OPT   TAP_CONTROL_CODE (9, METHOD_BUFFERED)
  59
  60 // Added in 8.2
  61
  62 /* obsoletes TAP_IOCTL_CONFIG_POINT_TO_POINT */
  63 #define TAP_IOCTL_CONFIG_TUN            TAP_CONTROL_CODE (10, METHOD_BUFFERED)
  64
  65 //=================
  66 // Registry keys
  67 //=================
  68
  69 #define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
  70
  71 #define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
  72
  73 //======================
  74 // Filesystem prefixes
  75 //======================
  76
  77 #define USERMODEDEVICEDIR "\\\\.\\Global\\"
  78 #define SYSDEVICEDIR      "\\Device\\"
  79 #define USERDEVICEDIR     "\\DosDevices\\Global\\"
  80 #define TAPSUFFIX         ".tap"
  81
  82 //=========================================================
  83 // TAP_COMPONENT_ID -- This string defines the TAP driver
  84 // type -- different component IDs can reside in the system
  85 // simultaneously.
  86 //=========================================================
  87
  88 #define TAP_COMPONENT_ID TAP_ID