Add missing header for openvpn in cygwin

windows/openvpn/src/openvpn/tap-windows.h

+/*
+ *  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) 2002-2010 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)
+#define TAP_WIN_IOCTL_GET_LOG_LINE          TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED)
+#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)
+
+/*
+ * =================
+ * 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