diff options
Diffstat (limited to 'private/ntos/tdi/isnp/ipx/query.c')
| -rw-r--r-- | private/ntos/tdi/isnp/ipx/query.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/private/ntos/tdi/isnp/ipx/query.c b/private/ntos/tdi/isnp/ipx/query.c new file mode 100644 index 000000000..28b38df5c --- /dev/null +++ b/private/ntos/tdi/isnp/ipx/query.c @@ -0,0 +1,297 @@ +/*++ + +Copyright (c) 1989-1993 Microsoft Corporation + +Module Name: + + query.c + +Abstract: + + This module contains code which performs the following TDI services: + + o TdiQueryInformation + +Environment: + + Kernel mode + +Revision History: + +--*/ + +#include "precomp.h" +#pragma hdrstop + + +// +// Useful macro to obtain the total length of an MDL chain. +// + +#define IpxGetMdlChainLength(Mdl, Length) { \ + PMDL _Mdl = (Mdl); \ + *(Length) = 0; \ + while (_Mdl) { \ + *(Length) += MmGetMdlByteCount(_Mdl); \ + _Mdl = _Mdl->Next; \ + } \ +} + + + +NTSTATUS +IpxTdiQueryInformation( + IN PDEVICE Device, + IN PREQUEST Request + ) + +/*++ + +Routine Description: + + This routine performs the TdiQueryInformation request for the transport + provider. + +Arguments: + + Request - the request for the operation. + +Return Value: + + NTSTATUS - status of operation. + +--*/ + +{ + NTSTATUS status; + PTDI_REQUEST_KERNEL_QUERY_INFORMATION query; + PADDRESS_FILE AddressFile; + ULONG ElementSize, TransportAddressSize; + PTRANSPORT_ADDRESS TransportAddress; + TA_ADDRESS UNALIGNED * CurAddress; + PBINDING Binding; + union { + struct { + ULONG ActivityCount; + TA_IPX_ADDRESS IpxAddress; + } AddressInfo; + TDI_DATAGRAM_INFO DatagramInfo; + TDI_ADDRESS_IPX IpxAddress; + } TempBuffer; + UINT i; + +#ifdef _PNP_POWER + IPX_DEFINE_LOCK_HANDLE(LockHandle1) +#endif + + // + // what type of status do we want? + // + + query = (PTDI_REQUEST_KERNEL_QUERY_INFORMATION)REQUEST_PARAMETERS(Request); + + switch (query->QueryType) { + + case TDI_QUERY_ADDRESS_INFO: + + // + // The caller wants the exact address value. + // + + AddressFile = (PADDRESS_FILE)REQUEST_OPEN_CONTEXT(Request); + + status = IpxVerifyAddressFile (AddressFile); + + if (status == STATUS_SUCCESS) { + + TempBuffer.AddressInfo.ActivityCount = 0; + + IpxBuildTdiAddress( + &TempBuffer.AddressInfo.IpxAddress, + Device->SourceAddress.NetworkAddress, + Device->SourceAddress.NodeAddress, + AddressFile->Address->Socket); + + status = TdiCopyBufferToMdl( + &TempBuffer.AddressInfo, + 0, + sizeof(TempBuffer.AddressInfo), + REQUEST_NDIS_BUFFER(Request), + 0, + &REQUEST_INFORMATION(Request)); + + IpxDereferenceAddressFile (AddressFile, AFREF_VERIFY); + + } + + break; + + case TDI_QUERY_PROVIDER_INFO: + + status = TdiCopyBufferToMdl ( + &(Device->Information), + 0, + sizeof (TDI_PROVIDER_INFO), + REQUEST_NDIS_BUFFER(Request), + 0, + &REQUEST_INFORMATION(Request)); + break; + + case TDI_QUERY_PROVIDER_STATISTICS: + + status = TdiCopyBufferToMdl ( + &Device->Statistics, + 0, + FIELD_OFFSET (TDI_PROVIDER_STATISTICS, ResourceStats[0]), + REQUEST_NDIS_BUFFER(Request), + 0, + &REQUEST_INFORMATION(Request)); + break; + + case TDI_QUERY_DATAGRAM_INFO: + + TempBuffer.DatagramInfo.MaximumDatagramBytes = 0; + TempBuffer.DatagramInfo.MaximumDatagramCount = 0; + + status = TdiCopyBufferToMdl ( + &TempBuffer.DatagramInfo, + 0, + sizeof(TempBuffer.DatagramInfo), + REQUEST_NDIS_BUFFER(Request), + 0, + &REQUEST_INFORMATION(Request)); + break; + + case TDI_QUERY_DATA_LINK_ADDRESS: + case TDI_QUERY_NETWORK_ADDRESS: + + if (query->QueryType == TDI_QUERY_DATA_LINK_ADDRESS) { + ElementSize = (2 * sizeof(USHORT)) + 6; + } else { + ElementSize = (2 * sizeof(USHORT)) + sizeof(TDI_ADDRESS_IPX); + } + + TransportAddress = IpxAllocateMemory(sizeof(int) + (ElementSize * MIN (Device->MaxBindings, Device->ValidBindings)), MEMORY_QUERY, "NetworkAddress"); + + if (TransportAddress == NULL) { + + status = STATUS_INSUFFICIENT_RESOURCES; + + } else { + + TransportAddress->TAAddressCount = 0; + TransportAddressSize = sizeof(int); + CurAddress = (TA_ADDRESS UNALIGNED *)TransportAddress->Address; +#ifdef _PNP_POWER + IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1); + { + ULONG Index = MIN (Device->MaxBindings, Device->ValidBindings); + + for (i = 1; i <= Index; i++) { + + Binding = NIC_ID_TO_BINDING(Device, i); + if ((Binding == NULL) || + (!Binding->LineUp)) { + continue; + } + + if (query->QueryType == TDI_QUERY_DATA_LINK_ADDRESS) { + CurAddress->AddressLength = 6; + CurAddress->AddressType = Binding->Adapter->MacInfo.RealMediumType; + RtlCopyMemory (CurAddress->Address, Binding->LocalAddress.NodeAddress, 6); + } else { + CurAddress->AddressLength = sizeof(TDI_ADDRESS_IPX); + CurAddress->AddressType = TDI_ADDRESS_TYPE_IPX; + RtlCopyMemory (CurAddress->Address, &Binding->LocalAddress, sizeof(TDI_ADDRESS_IPX)); + } + ++TransportAddress->TAAddressCount; + TransportAddressSize += ElementSize; + CurAddress = (TA_ADDRESS UNALIGNED *)(((PUCHAR)CurAddress) + ElementSize); + + } + } + + IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1); +#else + for (i = 1; i <= Device->ValidBindings; i++) { + + Binding = Device->Bindings[i]; + if ((Binding == NULL) || + (!Binding->LineUp)) { + continue; + } + + if (query->QueryType == TDI_QUERY_DATA_LINK_ADDRESS) { + CurAddress->AddressLength = 6; + CurAddress->AddressType = Binding->Adapter->MacInfo.RealMediumType; + RtlCopyMemory (CurAddress->Address, Binding->LocalAddress.NodeAddress, 6); + } else { + CurAddress->AddressLength = sizeof(TDI_ADDRESS_IPX); + CurAddress->AddressType = TDI_ADDRESS_TYPE_IPX; + RtlCopyMemory (CurAddress->Address, &Binding->LocalAddress, sizeof(TDI_ADDRESS_IPX)); + } + ++TransportAddress->TAAddressCount; + TransportAddressSize += ElementSize; + CurAddress = (TA_ADDRESS UNALIGNED *)(((PUCHAR)CurAddress) + ElementSize); + + } +#endif + status = TdiCopyBufferToMdl ( + TransportAddress, + 0, + TransportAddressSize, + REQUEST_NDIS_BUFFER(Request), + 0, + &REQUEST_INFORMATION(Request)); + + CTEFreeMem (TransportAddress); + + } + + break; + + default: + + status = STATUS_INVALID_DEVICE_REQUEST; + break; + } + + return status; + +} /* IpxTdiQueryInformation */ + + +NTSTATUS +IpxTdiSetInformation( + IN PDEVICE Device, + IN PREQUEST Request + ) + +/*++ + +Routine Description: + + This routine performs the TdiSetInformation request for the transport + provider. + +Arguments: + + Device - the device. + + Request - the request for the operation. + +Return Value: + + NTSTATUS - status of operation. + +--*/ + +{ + UNREFERENCED_PARAMETER (Device); + UNREFERENCED_PARAMETER (Request); + + return STATUS_NOT_IMPLEMENTED; + +} /* IpxTdiSetInformation */ + + |