536 lines
15 KiB
C
536 lines
15 KiB
C
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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send.c
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Abstract:
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NDIS entry points to handle requests.
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Environment:
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Kernel mode only.
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Revision History:
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alid 10/22/2001 modified for tunmp
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arvindm 4/10/2000 Created
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--*/
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#include "precomp.h"
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#define __FILENUMBER 'TQER'
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NDIS_OID TunMpSupportedOidArray[] =
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{
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OID_GEN_SUPPORTED_LIST,
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OID_GEN_HARDWARE_STATUS,
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OID_GEN_MEDIA_SUPPORTED,
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OID_GEN_MEDIA_IN_USE,
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OID_GEN_MAXIMUM_LOOKAHEAD,
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OID_GEN_MAXIMUM_FRAME_SIZE,
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OID_GEN_MAC_OPTIONS,
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OID_GEN_LINK_SPEED,
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OID_GEN_TRANSMIT_BUFFER_SPACE,
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OID_GEN_RECEIVE_BUFFER_SPACE,
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OID_GEN_TRANSMIT_BLOCK_SIZE,
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OID_GEN_RECEIVE_BLOCK_SIZE,
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OID_GEN_VENDOR_ID,
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OID_GEN_VENDOR_DESCRIPTION,
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OID_GEN_CURRENT_PACKET_FILTER,
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OID_GEN_CURRENT_LOOKAHEAD,
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OID_GEN_DRIVER_VERSION,
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OID_GEN_MAXIMUM_TOTAL_SIZE,
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OID_GEN_MEDIA_CONNECT_STATUS,
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OID_GEN_MAXIMUM_SEND_PACKETS,
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OID_PNP_CAPABILITIES,
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OID_PNP_SET_POWER,
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OID_PNP_QUERY_POWER,
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OID_GEN_XMIT_OK,
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OID_GEN_RCV_OK,
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OID_GEN_XMIT_ERROR,
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OID_GEN_RCV_ERROR,
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OID_GEN_RCV_NO_BUFFER,
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OID_802_3_PERMANENT_ADDRESS,
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OID_802_3_CURRENT_ADDRESS,
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OID_802_3_MULTICAST_LIST,
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OID_802_3_MAXIMUM_LIST_SIZE,
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OID_802_3_RCV_ERROR_ALIGNMENT,
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OID_802_3_XMIT_ONE_COLLISION,
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OID_802_3_XMIT_MORE_COLLISIONS,
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OID_CUSTOM_TUNMP_INSTANCE_ID
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};
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UINT TunMpSupportedOids = sizeof(TunMpSupportedOidArray)/sizeof(NDIS_OID);
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UCHAR TunMpVendorDescription[] = "MS Tunnel Interface Driver";
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UCHAR TunMpVendorId[3] = {0xFF, 0xFF, 0xFF};
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NDIS_PNP_CAPABILITIES Power_Management_Capabilities = { 0,
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NdisDeviceStateUnspecified,
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NdisDeviceStateUnspecified,
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NdisDeviceStateUnspecified
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};
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NDIS_STATUS
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TunMpQueryInformation(
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IN NDIS_HANDLE MiniportAdapterContext,
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IN NDIS_OID Oid,
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IN PVOID InformationBuffer,
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IN ULONG InformationBufferLength,
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OUT PULONG BytesWritten,
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OUT PULONG BytesNeeded
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)
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/*++
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Routine Description:
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Miniport QueryInfo handler.
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Arguments:
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MiniportAdapterContext Pointer to the adapter structure
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Oid Oid for this query
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InformationBuffer Buffer for information
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InformationBufferLength Size of this buffer
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BytesWritten Specifies how much info is written
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BytesNeeded In case the buffer is smaller than what
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we need, tell them how much is needed
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Return Value:
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Return code from the NdisRequest below.
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--*/
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{
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PTUN_ADAPTER pAdapter = (PTUN_ADAPTER)MiniportAdapterContext;
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NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
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UINT i;
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NDIS_OID MaskOid;
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PVOID SourceBuffer;
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UINT SourceBufferLength;
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ULONG GenericUlong = 0;
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USHORT GenericUshort;
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DEBUGP(DL_LOUD, ("==>TunMpQueryInformation: Adapter %p, Oid %lx\n",
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pAdapter, Oid));
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*BytesWritten = 0;
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*BytesNeeded = 0;
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//
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// Initialize these once, since this is the majority of cases.
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//
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SourceBuffer = (PVOID)&GenericUlong;
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SourceBufferLength = sizeof(ULONG);
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switch (Oid)
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{
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case OID_GEN_MAC_OPTIONS:
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GenericUlong = (ULONG)(NDIS_MAC_OPTION_NO_LOOPBACK);
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break;
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case OID_GEN_SUPPORTED_LIST:
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(NDIS_OID*)SourceBuffer = TunMpSupportedOidArray;
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SourceBufferLength = TunMpSupportedOids * sizeof(ULONG);
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break;
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case OID_GEN_HARDWARE_STATUS:
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GenericUlong = NdisHardwareStatusReady;
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break;
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case OID_GEN_MEDIA_SUPPORTED:
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case OID_GEN_MEDIA_IN_USE:
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GenericUlong = pAdapter->Medium;
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break;
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case OID_GEN_MAXIMUM_LOOKAHEAD:
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GenericUlong = pAdapter->MaxLookAhead;
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break;
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case OID_GEN_MAXIMUM_FRAME_SIZE:
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GenericUlong = pAdapter->MediumMaxFrameLen;
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break;
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case OID_GEN_LINK_SPEED:
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GenericUlong = pAdapter->MediumLinkSpeed;
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break;
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case OID_GEN_TRANSMIT_BUFFER_SPACE:
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GenericUlong = (pAdapter->MediumMaxPacketLen);
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break;
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case OID_GEN_RECEIVE_BUFFER_SPACE:
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GenericUlong = (pAdapter->MediumMaxPacketLen);
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break;
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case OID_GEN_TRANSMIT_BLOCK_SIZE:
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GenericUlong = 1;
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break;
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case OID_GEN_RECEIVE_BLOCK_SIZE:
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GenericUlong = 1;
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break;
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case OID_GEN_VENDOR_ID:
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SourceBuffer = TunMpVendorId;
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SourceBufferLength = sizeof(TunMpVendorId);
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break;
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case OID_GEN_VENDOR_DESCRIPTION:
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SourceBuffer = TunMpVendorDescription;
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SourceBufferLength = sizeof(TunMpVendorDescription);
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break;
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case OID_GEN_CURRENT_PACKET_FILTER:
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GenericUlong = pAdapter->PacketFilter;
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break;
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case OID_GEN_CURRENT_LOOKAHEAD:
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GenericUlong = pAdapter->MaxLookAhead;
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break;
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case OID_GEN_DRIVER_VERSION:
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GenericUshort = (NDIS_MINIPORT_MAJOR_VERSION << 8) + NDIS_MINIPORT_MINOR_VERSION;
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SourceBuffer = &GenericUshort;
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SourceBufferLength = sizeof(USHORT);
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break;
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case OID_GEN_MAXIMUM_TOTAL_SIZE:
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GenericUlong = pAdapter->MediumMaxPacketLen;
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break;
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case OID_GEN_MEDIA_CONNECT_STATUS:
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KdPrint(("OID_GEN_MEDIA_CONNECT_STATUS: %lx\n", Oid));
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if(TUN_TEST_FLAG(pAdapter, TUN_ADAPTER_OPEN))
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GenericUlong = NdisMediaStateConnected;
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else
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GenericUlong = NdisMediaStateDisconnected;
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break;
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case OID_GEN_MAXIMUM_SEND_PACKETS:
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GenericUlong = MAX_RECV_QUEUE_SIZE;
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break;
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case OID_GEN_XMIT_OK:
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SourceBuffer = &(pAdapter->SendPackets);
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SourceBufferLength = sizeof(ULONG);
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break;
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case OID_GEN_RCV_OK:
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SourceBuffer = &(pAdapter->RcvPackets);
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SourceBufferLength = sizeof(ULONG);
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break;
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case OID_GEN_XMIT_ERROR:
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SourceBuffer = &(pAdapter->XmitError);
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SourceBufferLength = sizeof(ULONG);
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break;
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case OID_GEN_RCV_ERROR:
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SourceBuffer = &(pAdapter->RcvError);
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SourceBufferLength = sizeof(ULONG);
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break;
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case OID_GEN_RCV_NO_BUFFER:
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SourceBuffer = &(pAdapter->RcvNoBuffer);
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SourceBufferLength = sizeof(ULONG);
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break;
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case OID_802_3_PERMANENT_ADDRESS:
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SourceBuffer = pAdapter->PermanentAddress;
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SourceBufferLength = TUN_MAC_ADDR_LEN;
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break;
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case OID_802_3_CURRENT_ADDRESS:
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SourceBuffer = pAdapter->CurrentAddress;
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SourceBufferLength = TUN_MAC_ADDR_LEN;
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break;
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case OID_802_3_MAXIMUM_LIST_SIZE:
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GenericUlong = TUN_MAX_MULTICAST_ADDRESS;
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break;
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case OID_802_3_RCV_ERROR_ALIGNMENT:
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case OID_802_3_XMIT_ONE_COLLISION:
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case OID_802_3_XMIT_MORE_COLLISIONS:
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GenericUlong = 0;
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break;
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case OID_PNP_CAPABILITIES:
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//
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// we support going to D3, but we don't do any WOL
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//
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SourceBufferLength = sizeof (NDIS_PNP_CAPABILITIES);
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SourceBuffer = (PVOID)&Power_Management_Capabilities;
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break;
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case OID_PNP_QUERY_POWER:
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//
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// we should always succeed this OID.
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//
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SourceBufferLength = 0;
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break;
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case OID_CUSTOM_TUNMP_INSTANCE_ID:
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GenericUlong = pAdapter->DeviceInstanceNumber;
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break;
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default:
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NdisStatus = NDIS_STATUS_NOT_SUPPORTED;
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break;
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}
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if (NdisStatus == NDIS_STATUS_SUCCESS)
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{
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*BytesNeeded = SourceBufferLength;
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if (SourceBufferLength <= InformationBufferLength)
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{
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*BytesWritten = SourceBufferLength;
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if (SourceBufferLength)
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{
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NdisMoveMemory(InformationBuffer, SourceBuffer, SourceBufferLength);
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}
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}
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else
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{
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NdisStatus = NDIS_STATUS_BUFFER_TOO_SHORT;
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}
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}
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DEBUGP(DL_LOUD, ("<==TunMpQueryInformation: Adapter %p, NdisStatus %lx\n",
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pAdapter, NdisStatus));
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return (NdisStatus);
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}
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NDIS_STATUS
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TunMpSetInformation(
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IN NDIS_HANDLE MiniportAdapterContext,
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IN NDIS_OID Oid,
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IN PVOID InformationBuffer,
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IN ULONG InformationBufferLength,
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OUT PULONG BytesRead,
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OUT PULONG BytesNeeded
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)
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/*++
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Routine Description:
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Miniport SetInfo handler.
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Arguments:
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MiniportAdapterContext Pointer to the adapter structure
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Oid Oid for this query
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InformationBuffer Buffer for information
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InformationBufferLength Size of this buffer
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BytesRead Specifies how much info is read
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BytesNeeded In case the buffer is smaller than what we need,
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tell them how much is needed
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Return Value:
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Return code from the NdisRequest below.
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--*/
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{
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PTUN_ADAPTER pAdapter = (PTUN_ADAPTER)MiniportAdapterContext;
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NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
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NDIS_DEVICE_POWER_STATE NewPowerState;
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DEBUGP(DL_LOUD, ("==>TunMpSetInformation: Adapter %p, Oid %lx\n",
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pAdapter, Oid));
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*BytesRead = 0;
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*BytesNeeded = 0;
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switch (Oid)
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{
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case OID_GEN_CURRENT_PACKET_FILTER:
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if (InformationBufferLength != sizeof(ULONG))
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{
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NdisStatus = NDIS_STATUS_INVALID_DATA;
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}
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else
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{
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ULONG PacketFilter;
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PacketFilter = *(UNALIGNED ULONG *)InformationBuffer;
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pAdapter->PacketFilter = PacketFilter;
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*BytesRead = InformationBufferLength;
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TUN_ACQUIRE_LOCK(&pAdapter->Lock);
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if (PacketFilter != 0)
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{
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//
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// if packet filter is set to a non-zero value, then activate
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// the adapter. i.e. start indicating packets.
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//
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TUN_SET_FLAG(pAdapter, TUN_ADAPTER_ACTIVE);
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}
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else
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{
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//
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// if packet filter is set to zero, then we should
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// fail all writes
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//
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TUN_CLEAR_FLAG(pAdapter, TUN_ADAPTER_ACTIVE);
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if (pAdapter->PendedSendCount != 0)
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{
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NdisStatus = NDIS_STATUS_PENDING;
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TUN_SET_FLAG(pAdapter, TUN_COMPLETE_REQUEST);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
TUN_RELEASE_LOCK(&pAdapter->Lock);
|
||
|
|
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case OID_GEN_CURRENT_LOOKAHEAD:
|
||
|
|
if (InformationBufferLength != sizeof(ULONG))
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_INVALID_DATA;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ULONG CurrentLookahead;
|
||
|
|
|
||
|
|
CurrentLookahead = *(UNALIGNED ULONG *)InformationBuffer;
|
||
|
|
|
||
|
|
if (CurrentLookahead > TUN_MAX_LOOKAHEAD)
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_INVALID_LENGTH;
|
||
|
|
}
|
||
|
|
else if (CurrentLookahead >= pAdapter->MaxLookAhead)
|
||
|
|
{
|
||
|
|
pAdapter->MaxLookAhead = CurrentLookahead;
|
||
|
|
*BytesRead = sizeof(ULONG);
|
||
|
|
NdisStatus = NDIS_STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case OID_802_3_MULTICAST_LIST:
|
||
|
|
if (pAdapter->Medium != NdisMedium802_3)
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_INVALID_OID;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((InformationBufferLength % ETH_LENGTH_OF_ADDRESS) != 0)
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_INVALID_LENGTH;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
//1 set BytesNeeded, check for max multicastlist
|
||
|
|
break;
|
||
|
|
|
||
|
|
case OID_PNP_SET_POWER:
|
||
|
|
|
||
|
|
if (InformationBufferLength != sizeof(NDIS_DEVICE_POWER_STATE ))
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_INVALID_LENGTH;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
NewPowerState = *(PNDIS_DEVICE_POWER_STATE)InformationBuffer;
|
||
|
|
*BytesRead = sizeof(NDIS_DEVICE_POWER_STATE);
|
||
|
|
|
||
|
|
TUN_ACQUIRE_LOCK(&pAdapter->Lock);
|
||
|
|
if (NewPowerState != NdisDeviceStateD0)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// complete any oustanding NDIS sends. do not allow any
|
||
|
|
// more NDIS sends. wait for all the indicated packets
|
||
|
|
// to return and do not allow any more packet
|
||
|
|
// indications (application Write)
|
||
|
|
//
|
||
|
|
TUN_CLEAR_FLAG(pAdapter, TUN_ADAPTER_ACTIVE);
|
||
|
|
TUN_SET_FLAG(pAdapter, TUN_ADAPTER_OFF);
|
||
|
|
|
||
|
|
//
|
||
|
|
// complete all outstanding NDIS Send requests
|
||
|
|
//
|
||
|
|
TUN_RELEASE_LOCK(&pAdapter->Lock);
|
||
|
|
//
|
||
|
|
// abort all pending NDIS send requests
|
||
|
|
TunFlushReceiveQueue(pAdapter);
|
||
|
|
//
|
||
|
|
// cancel all pending read IRPs if any
|
||
|
|
//
|
||
|
|
TunCancelPendingReads(pAdapter);
|
||
|
|
TUN_ACQUIRE_LOCK(&pAdapter->Lock);
|
||
|
|
|
||
|
|
//
|
||
|
|
// is there any outstanding NDIS sends?
|
||
|
|
//
|
||
|
|
if ((pAdapter->PendedSendCount != 0) ||
|
||
|
|
(pAdapter->PendedReadCount != 0))
|
||
|
|
{
|
||
|
|
NdisStatus = NDIS_STATUS_PENDING;
|
||
|
|
TUN_SET_FLAG(pAdapter, TUN_COMPLETE_REQUEST);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
TUN_CLEAR_FLAG(pAdapter, TUN_ADAPTER_OFF);
|
||
|
|
|
||
|
|
if (pAdapter->PacketFilter != 0)
|
||
|
|
{
|
||
|
|
TUN_SET_FLAG(pAdapter, TUN_ADAPTER_ACTIVE);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
NdisStatus = NDIS_STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
TUN_RELEASE_LOCK(&pAdapter->Lock);
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
NdisStatus = NDIS_STATUS_NOT_SUPPORTED;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
DEBUGP(DL_LOUD, ("<==TunMpSetInformation: Adapter %p, NdisStatus %lx\n",
|
||
|
|
pAdapter, NdisStatus));
|
||
|
|
|
||
|
|
|
||
|
|
return NdisStatus;
|
||
|
|
}
|
||
|
|
|