From fffd213c8cba2135afda493d797c41c10354770e Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@anytun.org>
Date: Sat, 12 Apr 2008 11:38:42 +0000
Subject: big svn cleanup

---
 src/openvpn/tap-win32/types.h | 166 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100755 src/openvpn/tap-win32/types.h

(limited to 'src/openvpn/tap-win32/types.h')

diff --git a/src/openvpn/tap-win32/types.h b/src/openvpn/tap-win32/types.h
new file mode 100755
index 0000000..45e0033
--- /dev/null
+++ b/src/openvpn/tap-win32/types.h
@@ -0,0 +1,166 @@
+/*
+ *  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
+ */
+
+#ifndef TAP_TYPES_DEFINED
+#define TAP_TYPES_DEFINED
+
+typedef struct _Queue
+{
+  ULONG base;
+  ULONG size;
+  ULONG capacity;
+  ULONG max_size;
+  PVOID data[];
+} Queue;
+
+typedef struct _TapAdapter;
+typedef struct _TapPacket;
+
+typedef union _TapAdapterQuery
+{
+  NDIS_HARDWARE_STATUS m_HardwareStatus;
+  NDIS_MEDIUM m_Medium;
+  NDIS_PHYSICAL_MEDIUM m_PhysicalMedium;
+  UCHAR m_MacAddress [6];
+  UCHAR m_Buffer [256];
+  ULONG m_Long;
+  USHORT m_Short;
+  UCHAR m_Byte;
+}
+TapAdapterQuery, *TapAdapterQueryPointer;
+
+typedef struct _TapExtension
+{
+  // TAP device object and packet queues
+  Queue *m_PacketQueue, *m_IrpQueue;
+  PDEVICE_OBJECT m_TapDevice;
+  NDIS_HANDLE m_TapDeviceHandle;
+  ULONG m_TapOpens;
+
+  // Used to lock packet queues
+  NDIS_SPIN_LOCK m_QueueLock;
+  BOOLEAN m_AllocatedSpinlocks;
+
+  // Used to bracket open/close
+  // state changes.
+  MUTEX m_OpenCloseMutex;
+
+  // True if device has been permanently halted
+  BOOLEAN m_Halt;
+
+  // TAP device name
+  unsigned char *m_TapName;
+  UNICODE_STRING m_UnicodeLinkName;
+  BOOLEAN m_CreatedUnicodeLinkName;
+
+  // Used for device status ioctl only
+  const char *m_LastErrorFilename;
+  int m_LastErrorLineNumber;
+  LONG m_NumTapOpens;
+
+  // Flags
+  BOOLEAN m_TapIsRunning;
+  BOOLEAN m_CalledTapDeviceFreeResources;
+}
+TapExtension, *TapExtensionPointer;
+
+typedef struct _TapPacket
+   {
+#   define TAP_PACKET_SIZE(data_size) (sizeof (TapPacket) + (data_size))
+#   define TP_TUN 0x80000000
+#   define TP_SIZE_MASK      (~TP_TUN)
+    ULONG m_SizeFlags;
+    UCHAR m_Data []; // m_Data must be the last struct member
+   }
+TapPacket, *TapPacketPointer;
+
+typedef struct _TapAdapter
+{
+# define NAME(a) ((a)->m_NameAnsi.Buffer)
+  ANSI_STRING m_NameAnsi;
+  MACADDR m_MAC;
+  BOOLEAN m_InterfaceIsRunning;
+  NDIS_HANDLE m_MiniportAdapterHandle;
+  LONG m_Rx, m_Tx, m_RxErr, m_TxErr;
+#if PACKET_TRUNCATION_CHECK
+  LONG m_RxTrunc, m_TxTrunc;
+#endif
+  NDIS_MEDIUM m_Medium;
+  ULONG m_Lookahead;
+  ULONG m_MTU;
+
+  // TRUE if adapter should always be
+  // "connected" even when device node
+  // is not open by a userspace process.
+  BOOLEAN m_MediaStateAlwaysConnected;
+
+  // TRUE if device is "connected"
+  BOOLEAN m_MediaState;
+
+  // Adapter power state
+  char m_DeviceState;
+
+  // Info for point-to-point mode
+  BOOLEAN m_tun;
+  IPADDR m_localIP;
+  IPADDR m_remoteNetwork;
+  IPADDR m_remoteNetmask;
+  ETH_HEADER m_TapToUser;
+  ETH_HEADER m_UserToTap;
+  MACADDR m_MAC_Broadcast;
+
+  // Used for DHCP server masquerade
+  BOOLEAN m_dhcp_enabled;
+  IPADDR m_dhcp_addr;
+  ULONG m_dhcp_netmask;
+  IPADDR m_dhcp_server_ip;
+  BOOLEAN m_dhcp_server_arp;
+  MACADDR m_dhcp_server_mac;
+  ULONG m_dhcp_lease_time;
+  UCHAR m_dhcp_user_supplied_options_buffer[DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE];
+  ULONG m_dhcp_user_supplied_options_buffer_len;
+  BOOLEAN m_dhcp_received_discover;
+  ULONG m_dhcp_bad_requests;
+
+  // Help to tear down the adapter by keeping
+  // some state information on allocated
+  // resources.
+  BOOLEAN m_CalledAdapterFreeResources;
+  BOOLEAN m_RegisteredAdapterShutdownHandler;
+
+  // Multicast list info
+  NDIS_SPIN_LOCK m_MCLock;
+  BOOLEAN m_MCLockAllocated;
+  ULONG m_MCListSize;
+  MC_LIST m_MCList;
+
+  // Information on the TAP device
+  TapExtension m_Extension;
+} TapAdapter, *TapAdapterPointer;
+
+#endif
-- 
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