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windows-server-2003/net/1394/nic/sys/irp.c

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//
// Copyright (c) 1998-1999, Microsoft Corporation, all rights reserved
//
// irp.c
//
// IEEE1394 mini-port/call-manager driver
//
// Routines that issue the numerous Irbs to the 1394 Bus driver
//
// 04/01/1999 ADube Created,
//
#include "precomp.h"
//
// This file will contain all the functions that issue Irps with the various Irbs to the
// 1394 bus. All Irbs except the actual send/recv irbs will be implemented here
//
//
// The functions will follow this general algorithm
// nicGetIrb
// nicInitialize....Irb
// nicPrintDebugSpew
// nicGetIrp
// nicSubmit_Irp_Synch
// return Status
//
//-----------------------------------------------------------------------------
// A Simple template that can be used to send Irps syncronously
//-----------------------------------------------------------------------------
/*
Comments Template
/*++
Routine Description:
Arguments:
Return Value:
--*/
/*
// Function Description:
//
//
//
//
//
// Arguments
//
//
//
// Return Value:
//
//
//
//
Function template
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Irp, ( "==>nicGe....ect, pAdapter %x", pAdapter ) );
ASSERT (pNodeAddress != NULL);
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
nicInit....Irb (..)
NdisStatus = nicGetIrp ( pRemoteNodePdoCb, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_Synch ( pAdapter->pLocalHostPdoCb,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
Copy returned data to nic1394's data structures
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicGet139..., pAdapter %x", pAdapter ) );
return NdisStatus;
*/
//-----------------------------------------------------------------------------
// Routines begin here
//-----------------------------------------------------------------------------
NDIS_STATUS
nicAllocateAddressRange_Synch (
IN PADAPTERCB pAdapter,
IN PMDL pMdl,
IN ULONG fulFlags,
IN ULONG nLength,
IN ULONG MaxSegmentSize,
IN ULONG fulAccessType,
IN ULONG fulNotificationOptions,
IN PVOID Callback,
IN PVOID Context,
IN ADDRESS_OFFSET Required1394Offset,
IN PSLIST_HEADER FifoSListHead,
IN PKSPIN_LOCK FifoSpinLock,
OUT PULONG pAddressesReturned,
IN OUT PADDRESS_RANGE p1394AddressRange,
OUT PHANDLE phAddressRange
)
// Function Description:
// Takes the parameter and just passes it down to the bus driver
// Arguments
//
// Return Value:
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Irp, ( "==>nicAllocateAddressRange_Synch, pAdapter %x, Offset %x", pAdapter, Required1394Offset ) );
TRACE (TL_V, TM_Irp, (" pMdl %x, fulFlags %x, nLength %x, MaxSegmentSize %x, fulAcessType %x",
pMdl, fulFlags, nLength, MaxSegmentSize, fulAccessType ) );
TRACE (TL_V, TM_Irp, (" fulNotification %x, Callback %x, Context %x, ReqOffset.High %x, ReqOffset.Low %x" ,
fulNotificationOptions, Callback, Context, Required1394Offset.Off_High, Required1394Offset.Off_Low ) );
TRACE (TL_V, TM_Irp, (" FifoSListHead %x, FifoSpinLock %x, p1394AddressRange %x" ,FifoSListHead, FifoSpinLock, p1394AddressRange ) )
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicAllocateAddressRange_Synch , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
NdisStatus = nicGetIrp (pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicAllocateAddressRange_Synch , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
pIrb->FunctionNumber = REQUEST_ALLOCATE_ADDRESS_RANGE;
pIrb->Flags = 0;
pIrb->u.AllocateAddressRange.Mdl = pMdl; // Address to map to 1394 space
pIrb->u.AllocateAddressRange.fulFlags = fulFlags; // Flags for this operation
pIrb->u.AllocateAddressRange.nLength = nLength; // Length of 1394 space desired
pIrb->u.AllocateAddressRange.MaxSegmentSize = MaxSegmentSize; // Maximum segment size for a single address element
pIrb->u.AllocateAddressRange.fulAccessType = fulAccessType; // Desired access: R, W, L
pIrb->u.AllocateAddressRange.fulNotificationOptions = fulNotificationOptions; // Notify options on Async access
pIrb->u.AllocateAddressRange.Callback = Callback; // Pointer to callback routine
pIrb->u.AllocateAddressRange.Context = Context; // Pointer to driver supplied data
pIrb->u.AllocateAddressRange.Required1394Offset = Required1394Offset; // Offset that must be returned
pIrb->u.AllocateAddressRange.FifoSListHead = FifoSListHead; // Pointer to SList FIFO head
pIrb->u.AllocateAddressRange.FifoSpinLock = FifoSpinLock; // Pointer to SList Spin Lock
pIrb->u.AllocateAddressRange.p1394AddressRange = p1394AddressRange; // Address Range Returned
ASSERT ( pIrb->u.AllocateAddressRange.p1394AddressRange != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicAllocateAddressRange_Synch , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
//
// Update the output values
//
*pAddressesReturned = pIrb->u.AllocateAddressRange.AddressesReturned; // Number of addresses returned
p1394AddressRange = pIrb->u.AllocateAddressRange.p1394AddressRange; // Pointer to returned 1394 Address Ranges
*phAddressRange = pIrb->u.AllocateAddressRange.hAddressRange; // Handle to address range
TRACE (TL_V, TM_Irp, (" *pAddressesReturned %x, p1394AddressRange %x, phAddressRange %x," ,
*pAddressesReturned, p1394AddressRange, *phAddressRange ) );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicAllocateAddressRange_Synch, Status %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicGet1394AddressOfRemoteNode(
IN PREMOTE_NODE pRemoteNode,
IN OUT NODE_ADDRESS *pNodeAddress,
IN ULONG fulFlags
)
// Function Description:
// This function will get the 1394 Address from the device object.
//
// Arguments
// PdoCb * Local Host's Pdo Control Block
// NodeAddress * Node Address structre wher the address will be returned in
// fulFlags - Could specify USE_LOCAL_HOST
//
// Return Value:
// Success if the irp succeeeded
// Failure: if the pdo is not active or the irp failed
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Irp, ( "==>nicGet1394AddressOfRemoteNode, pRemoteNode %x, pNodeAdddress ", pRemoteNode, pNodeAddress) );
ASSERT (pNodeAddress != NULL);
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressOfRemoteNode, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
pIrb->FunctionNumber = REQUEST_GET_ADDR_FROM_DEVICE_OBJECT;
pIrb->u.Get1394AddressFromDeviceObject.fulFlags = fulFlags;
NdisStatus = nicGetIrp (pRemoteNode->pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressOfRemoteNode, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_Synch (pRemoteNode,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressOfRemoteNode, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
(*pNodeAddress) = pIrb->u.Get1394AddressFromDeviceObject.NodeAddress;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicGet1394AddressOfRemoteNode, Status %x, Address %x", NdisStatus, *pNodeAddress ) );
return NdisStatus;
}
NDIS_STATUS
nicGet1394AddressFromDeviceObject(
IN PDEVICE_OBJECT pPdo,
IN OUT NODE_ADDRESS *pNodeAddress,
IN ULONG fulFlags
)
// Function Description:
// This function will get the 1394 Address from the device object.
//
// Arguments
// PdoCb * Local Host's Pdo Control Block
// NodeAddress * Node Address structre wher the address will be returned in
// fulFlags - Could specify USE_LOCAL_HOST
//
// Return Value:
// Success if the irp succeeeded
// Failure: if the pdo is not active or the irp failed
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Irp, ( "==>nicGet1394AddressFromDeviceObject, pPdo %x, pNodeAdddress ",
pPdo, pNodeAddress) );
ASSERT (pNodeAddress != NULL);
ASSERT (pPdo != NULL);
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
pIrb->Flags = 0;
pIrb->FunctionNumber = REQUEST_GET_ADDR_FROM_DEVICE_OBJECT;
pIrb->u.Get1394AddressFromDeviceObject.fulFlags = fulFlags;
NdisStatus = nicGetIrp (pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_PDOSynch (pPdo,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGet1394AddressFromDeviceObject, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
(*pNodeAddress) = pIrb->u.Get1394AddressFromDeviceObject.NodeAddress;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicGet1394AddressFromDeviceObject, Status %x, Address %x", NdisStatus, *pNodeAddress ) );
return NdisStatus;
}
NDIS_STATUS
nicGetGenerationCount(
IN PADAPTERCB pAdapter,
IN OUT PULONG GenerationCount
)
// This function returns the generation count of the Device Object that PDO points to.
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pDeviceObject = pAdapter->pNextDeviceObject;
TRACE( TL_T, TM_Irp, ( "==>nicGetGenerationCount, PDO %x, pVc %x", pDeviceObject ) );
ASSERT( pDeviceObject != NULL);
do
{
NdisStatus = nicGetIrb( &pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "Failed to allocate an Irb in nicGetGenerationCout") );
NdisStatus = NDIS_STATUS_RESOURCES;
break;
}
NdisStatus = nicGetIrp (pDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "Failed to allocate an Irp in nicGetGenerationCout") );
NdisStatus = NDIS_STATUS_RESOURCES;
break;
}
pIrb->FunctionNumber = REQUEST_GET_GENERATION_COUNT;
pIrb->Flags = 0;
NdisStatus = nicSubmitIrp_LocalHostSynch( pAdapter, pIrp, pIrb);
if (NdisStatus == NDIS_STATUS_SUCCESS)
{
*GenerationCount = pIrb->u.GetGenerationCount.GenerationCount;
TRACE( TL_N, TM_Irp, ("GenerationCount = 0x%x\n", *GenerationCount) );
}
else
{
TRACE(TL_A, TM_Irp, ("SubmitIrpSync failed = 0x%x\n", NdisStatus));
ASSERT (0);
break;
}
} while(FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicGetGenerationCount, PDO %x, Generation %x", pDeviceObject, *GenerationCount) );
return NdisStatus;
}
NDIS_STATUS
nicFreeAddressRange(
IN PADAPTERCB pAdapter,
IN ULONG nAddressesToFree,
IN PADDRESS_RANGE p1394AddressRange,
IN PHANDLE phAddressRange
)
// Function Description:
// This is the generic call to free an address range. It is the callers responsibility to figure out
// the reference counting on the RemoteNode
// This is because in the RecvFIFO code path we allocate one address range on each remote node
// whereas in the Broadcast channel register, we allocate one addreesss on ONE remote node only
//
// Arguments
// pRemoteNode, - Remote Node used to submit the IRP
// nAddressesToFree, - Number of addreses to free
// p1394AddressRange, - pointer to the address range which was allocated
// phAddressRange - Handle returned by the bus driver
//
// Return Value:
// Success if the irp succeeeded
// Failure: if the pdo is not active or the irp failed
//
{
PIRP pIrp = NULL;
PIRB pIrb = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
TRACE( TL_T, TM_Irp, ( "==>nicFreeAddressRange pAdapter %x", pAdapter ) );
ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
do
{
if (pPdo == NULL)
{
TRACE( TL_A, TM_Irp, ( "pPdo is NULL in nicFreeRecvFifoAddressRange" ) );
NdisStatus = NDIS_STATUS_FAILURE;
break;
}
NdisStatus = nicGetIrb(&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrb failed in nicFreeRecvFifoAddressRange" ) );
break;
}
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrp failed in nicFreeRecvFifoAddressRange" ) );
break;
}
TRACE (TL_V, TM_Cm, (" NumAddresses %x, hAddressRange %x, Hi %x, Length %x, Lo %x",
nAddressesToFree,
phAddressRange,
p1394AddressRange->AR_Off_High,
p1394AddressRange->AR_Length,
p1394AddressRange->AR_Off_Low ) );
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_FREE_ADDRESS_RANGE;
pIrb->Flags = 0;
pIrb->u.FreeAddressRange.nAddressesToFree = nAddressesToFree;
pIrb->u.FreeAddressRange.p1394AddressRange = p1394AddressRange;
pIrb->u.FreeAddressRange.pAddressRange = phAddressRange;
NdisStatus = nicSubmitIrp_LocalHostSynch( pAdapter,
pIrp,
pIrb );
} while (FALSE);
//
// Free the locally allocated memory
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
//
// We do not care about the status, because we do not know what to do if it fails.
// However, spew some debug out.
//
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_N, TM_Irp, ( "nicFreeAddressRangeFAILED %x", NdisStatus) );
ASSERT (NdisStatus == NDIS_STATUS_SUCCESS);
}
TRACE( TL_T, TM_Irp, ( "<==nicFreeAddressRangeStatus %x (always success)", NdisStatus) );
NdisStatus = NDIS_STATUS_SUCCESS;
return NdisStatus;
}
VOID
nicFreeAddressRangeDebugSpew(
IN PIRB pIrb
)
// This functions spews out the parameters in a Free Address Range Irb
//
//
{
TRACE( TL_V, TM_Irp, ( "==>nicFreeAddressRangeDebugSpew, pIrb = %x", pIrb) );
ASSERT(pIrb != NULL);
TRACE( TL_N, TM_Irp, ( "Num Addresses Returned %x ",pIrb->u.FreeAddressRange.nAddressesToFree ) );
TRACE( TL_N, TM_Irp, ( "Address High %x", pIrb->u.FreeAddressRange.p1394AddressRange->AR_Off_High ) );
TRACE( TL_N, TM_Irp, ( "Address Low %x", pIrb->u.FreeAddressRange.p1394AddressRange->AR_Off_Low ) );
TRACE( TL_N, TM_Irp, ( "Address Length %x", pIrb->u.FreeAddressRange.p1394AddressRange->AR_Length ) );
TRACE( TL_N, TM_Irp, ( "Handle %x", pIrb->u.FreeAddressRange.pAddressRange ) );
TRACE( TL_V, TM_Irp, ( "<==nicFreeAddressRangeDebugSpew " ) );
}
NDIS_STATUS
nicFreeChannel(
IN PADAPTERCB pAdapter,
IN ULONG nChannel
)
// Function Description:
// This function sends an Irp to the Bus driver to free a channel
// Any remote Pdo can be used for the Irp. However for the sake of
// bookkeeping use the same Pdo that the channel was allocated on (maybe)
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
// Channel Pointer The Channel, requested and the channel returned
//
// Return Value:
// Success if the channel was allocated
// Failure otherwise
//
{
PIRP pIrp = NULL;
PIRB pIrb = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
TRACE( TL_T, TM_Irp, ( "==>nicFreeChannel pAdapter %x, Channel %x", pAdapter, nChannel) );
ASSERT (pAdapter!= NULL);
ASSERT (pPdo != NULL);
ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
do
{
if (pPdo == NULL)
{
TRACE( TL_A, TM_Irp, ( "pPdo is NULL in nicFreeChannel" ) );
NdisStatus = NDIS_STATUS_FAILURE;
break;
}
NdisStatus = nicGetIrb(&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrb failed in nicFreeChannel" ) );
break;
}
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrp failed in nicFreeChannel" ) );
break;
}
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_FREE_CHANNEL;
pIrb->Flags = 0;
pIrb->u.IsochFreeChannel.nChannel = nChannel;
NdisStatus = nicSubmitIrp_LocalHostSynch( pAdapter,
pIrp,
pIrb );
//
// Regardless update the mask, as the channel could have been freed by a bus reset
//
if (nChannel != BROADCAST_CHANNEL)
{
ADAPTER_ACQUIRE_LOCK (pAdapter);
//
// Clear the channel in the mask
//
pAdapter->ChannelsAllocatedByLocalHost &= (~( g_ullOne <<nChannel ));
ADAPTER_RELEASE_LOCK (pAdapter);
}
} while (FALSE);
//
// Free the locally allocated memory
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
//
// We do not care about the status, because we do not know what to do if it fails.
// However, spew some debug out.
//
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_N, TM_Irp, ( "nicFreeChannel FAILED %x", NdisStatus) );
}
TRACE( TL_T, TM_Irp, ( "<==nicFreeChannel Status %x ", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicAllocateChannel (
IN PADAPTERCB pAdapter,
IN ULONG Channel,
OUT PULARGE_INTEGER pChannelsAvailable OPTIONAL
)
// Function Description:
// This function sends an Irp to the Bus driver to allocate a channel
// Any remote Pdo can be used for the Irp
//
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
// Channel -The Channel, requested and the channel returned
//
// Return Value:
// Success if the channel was allocated
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pDeviceObject = pAdapter->pNextDeviceObject;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicIsochAllocateChannel, PdoCb, %x Channel %d", pAdapter, Channel ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateChannel , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_ALLOCATE_CHANNEL;
pIrb->Flags = 0;
pIrb->u.IsochAllocateChannel.nRequestedChannel = Channel;
ASSERT (Channel < 64);
NdisStatus = nicGetIrp ( pDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateChannel , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateChannel , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
if (pChannelsAvailable != NULL)
{
pChannelsAvailable->QuadPart = pIrb->u.IsochAllocateChannel.ChannelsAvailable.QuadPart;
}
TRACE( TL_N, TM_Irp, ( "Channel allocated %d", Channel ) );
if (Channel != BROADCAST_CHANNEL)
{
ADAPTER_ACQUIRE_LOCK (pAdapter);
//
// Set the channel in the mask
//
pAdapter->ChannelsAllocatedByLocalHost |= ( g_ullOne <<Channel );
ADAPTER_RELEASE_LOCK (pAdapter);
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicIsochAllocateChannel, Channel %d, Status %x", Channel, NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicQueryChannelMap (
IN PADAPTERCB pAdapter,
OUT PULARGE_INTEGER pChannelsAvailable
)
// Function Description:
// This function sends an Irp to the Bus driver to allocate a channel
// Any remote Pdo can be used for the Irp
//
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
// Channel -The Channel, requested and the channel returned
//
// Return Value:
// Success if the channel was allocated
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pDeviceObject = pAdapter->pNextDeviceObject;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicQueryChannelMap , PdoCb, %x ", pAdapter) );
do
{
if (pChannelsAvailable == NULL)
{
ASSERT (pChannelsAvailable != NULL);
NdisStatus = NDIS_STATUS_FAILURE;
break;
}
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicQueryChannelMap , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_QUERY_RESOURCES ;
pIrb->u.IsochQueryResources.fulSpeed = SPEED_FLAGS_100;
pIrb->Flags = 0;
NdisStatus = nicGetIrp ( pDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicQueryChannelMap , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicQueryChannelMap , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
//
// We get the *available* channels, in network-byte order.
// We have to byte reverse and flip the bits to get
// it in the form we want.
//
// Looks like we really have to flip the *bits*, not just the bytes.
//
{
LARGE_INTEGER in, out;
PUCHAR puc;
UINT u;
in = pIrb->u.IsochQueryResources.ChannelsAvailable;
out.LowPart = ~SWAPBYTES_ULONG (in.HighPart );
out.HighPart = ~SWAPBYTES_ULONG (in.LowPart );
// Now swap the bits in each byte.
//
puc = (PUCHAR) &out;
for (u=sizeof(out); u; u--,puc++)
{
UCHAR uc,uc1;
UINT u1;
uc= *puc;
uc1=0;
for (u1=0;u1<8;u1++)
{
if (uc & (1<<u1))
{
uc1 |= (1 << (7-u1));
}
}
*puc = uc1;
}
pChannelsAvailable->QuadPart = out.QuadPart;
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicQueryChannelMap , , Status %x", NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicIsochAllocateBandwidth(
IN PREMOTE_NODE pRemoteNodePdoCb,
IN ULONG MaxBytesPerFrameRequested,
IN ULONG SpeedRequested,
OUT PHANDLE phBandwidth,
OUT PULONG pBytesPerFrameAvailable,
OUT PULONG pSpeedSelected
)
// Function Description:
// This function allocates bandwith on the bus
//
// Arguments
// PdoCb - Remote Nodes Pdo Block
// MaxBytesPerFrame Requested -
// SpeedRequested -
// hBandwidth
// pSpeedSelected
// Bytes Per Frame Available
//
//
// Return Value:
// hBandwidth,
// Speed and
// BytesPerFrameAvailable
//
//
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Irp, ( "==>nicIsochAllocateBandwidth, pRemoteNodePdoCb %x", pRemoteNodePdoCb) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK( TM_Irp, ( "nicIsochAllocateBandwidth, nicGetIrb FAILED" ) );
}
ASSERT ( pIrb != NULL);
pIrb->FunctionNumber = REQUEST_ISOCH_ALLOCATE_BANDWIDTH;
pIrb->Flags = 0;
pIrb->u.IsochAllocateBandwidth.nMaxBytesPerFrameRequested = MaxBytesPerFrameRequested;
pIrb->u.IsochAllocateBandwidth.fulSpeed = SpeedRequested;
ASSERT (pRemoteNodePdoCb->pPdo != NULL);
NdisStatus = nicGetIrp (pRemoteNodePdoCb->pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK( TM_Irp, ( "nicIsochAllocateBandwidth, nicGetIrp FAILED" ) );
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_Synch ( pRemoteNodePdoCb,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE (TL_N, TM_Irp, ( "nicIsochAllocateBandwidth, nicSubmitIrp_Synch FAILED ") );
break;
}
*phBandwidth = pIrb->u.IsochAllocateBandwidth.hBandwidth ;
*pBytesPerFrameAvailable = pIrb->u.IsochAllocateBandwidth.BytesPerFrameAvailable;
*pSpeedSelected = pIrb->u.IsochAllocateBandwidth.SpeedSelected;
TRACE( TL_V, TM_Irp, ( "hBandwidth %x", *phBandwidth) );
TRACE( TL_V, TM_Irp, ( "BytesPerFrameAvailable %x", *pBytesPerFrameAvailable) );
TRACE( TL_V, TM_Irp, ( "SpeedSelected %x", *pSpeedSelected) );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicIsochAllocateBandwidth NdisStatus %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicAsyncRead_Synch(
PREMOTE_NODE pRemoteNode,
IO_ADDRESS DestinationAddress,
ULONG nNumberOfBytesToRead,
ULONG nBlockSize,
ULONG fulFlags,
PMDL Mdl,
ULONG ulGeneration,
OUT NTSTATUS *pNtStatus
)
// Function Description:
// This is an asyc read operation a remote node;s address space
//
//
//
//
// Arguments
//PREMOTE_NODE pRemoteNode // Remote Node which owns the Destination address
// IO_ADDRESS DestinationAddress; // Address to read from
// ULONG nNumberOfBytesToRead; // Bytes to read
// ULONG nBlockSize; // Block size of read
// ULONG fulFlags; // Flags pertinent to read
// PMDL Mdl; // Destination buffer
// ULONG ulGeneration; // Generation as known by driver
//
// Return Value:
// Success - if successful
// Invalid Generation
//
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Mp, ( "==>nicAsyncRead, Remote Node, %x ", pRemoteNode ) );
TRACE( TL_V, TM_Mp, ( " fulFlags %x, Mdl %x, Generation %x, pNtStatus %x",
fulFlags, Mdl, ulGeneration, pNtStatus ) );
ASSERT(DestinationAddress.IA_Destination_Offset.Off_High == INITIAL_REGISTER_SPACE_HI);
do
{
NdisStatus = nicGetIrp ( pRemoteNode->pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK ( TM_Irp, ( "nicAsyncRead, nicGetIrp FAILED" ) );
break;
}
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK ( TM_Irp, ( "nicAsyncRead, nicGetIrb FAILED" ) );
}
ASSERT ( pIrb != NULL);
ASSERT (pIrp != NULL);
pIrb->FunctionNumber = REQUEST_ASYNC_READ;
pIrb->Flags = 0;
pIrb->u.AsyncRead.DestinationAddress = DestinationAddress;
pIrb->u.AsyncRead.nNumberOfBytesToRead = nNumberOfBytesToRead ;
pIrb->u.AsyncRead.nBlockSize = nBlockSize ;
pIrb->u.AsyncRead.fulFlags = fulFlags;
pIrb->u.AsyncRead.Mdl = Mdl;
pIrb->u.AsyncRead.ulGeneration = ulGeneration;
NdisStatus = nicSubmitIrp_Synch ( pRemoteNode,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE ( TL_A, TM_Irp, ( "nicAsyncRead, nicSubmitIrp_Synch FAILED %xm pRemoteNode %x", NdisStatus, pRemoteNode) );
break;
}
if (pNtStatus != NULL)
{
*pNtStatus = pIrp->IoStatus.Status;
}
} while (FALSE);
TRACE( TL_T, TM_Mp, ( "<==nicAsyncRead, Status, %x ", NdisStatus) );
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
return NdisStatus;
}
NDIS_STATUS
nicAsyncWrite_Synch(
PREMOTE_NODE pRemoteNode,
IO_ADDRESS DestinationAddress, // Address to write to
ULONG nNumberOfBytesToWrite, // Bytes to write
ULONG nBlockSize, // Block size of write
ULONG fulFlags, // Flags pertinent to write
PMDL Mdl, // Destination buffer
ULONG ulGeneration, // Generation as known by driver
OUT NTSTATUS *pNtStatus // pointer to NTSTatus returned by the IRP
)
// Function Description:
// This performs an asynchronous write operation in thje remote node's
// address space
//
// Arguments
//PREMOTE_NODE pRemoteNode // Remote Node which owns the Destination address
//IO_ADDRESS DestinationAddress; // Address to write to
//ULONG nNumberOfBytesToWrite; // Bytes to write
//ULONG nBlockSize; // Block size of write
//ULONG fulFlags; // Flags pertinent to write
//PMDL Mdl; // Destination buffer
//ULONG ulGeneration; // Generation as known by driver
//
// Return Value:
// Success - if successful
// Invalid Generation
//
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
TRACE( TL_T, TM_Mp, ( "==>nicAsyncWrite_Synch, Remote Node, %x ", pRemoteNode ) );
TRACE( TL_V, TM_Mp, ( " Destination %x, nNumberOfBytesToWrite %x, nBlockSize %x",
DestinationAddress, nNumberOfBytesToWrite, nBlockSize) );
TRACE( TL_V, TM_Mp, ( " fulFlags %x, , Mdl %x, Generation %x, pNtStatus %x",
fulFlags , Mdl, ulGeneration, pNtStatus ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK ( TM_Irp, ( "nicAsyncWrite_Synch, nicGetIrb FAILED" ) );
}
ASSERT ( pIrb != NULL);
pIrb->FunctionNumber = REQUEST_ASYNC_WRITE;
pIrb->Flags = 0;
pIrb->u.AsyncWrite.DestinationAddress = DestinationAddress;
pIrb->u.AsyncWrite.nNumberOfBytesToWrite = nNumberOfBytesToWrite;
pIrb->u.AsyncWrite.nBlockSize = nBlockSize;
pIrb->u.AsyncWrite.fulFlags = fulFlags;
pIrb->u.AsyncWrite.Mdl = Mdl;
pIrb->u.AsyncWrite.ulGeneration = ulGeneration;
NdisStatus = nicGetIrp ( pRemoteNode->pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
BREAK ( TM_Irp, ( "nicAsyncWrite_Synch, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_Synch ( pRemoteNode,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE ( TL_A, TM_Irp, ( "nicAsyncWrite_Synch, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
if (pNtStatus != NULL)
{
*pNtStatus = pIrp->IoStatus.Status;
}
} while (FALSE);
TRACE( TL_T, TM_Mp, ( "<==nicAsyncWrite_Synch, Success , %x Nt %x", NdisStatus, pIrp->IoStatus.Status) );
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
return NdisStatus;
}
NDIS_STATUS
nicIsochAllocateResources (
IN PADAPTERCB pAdapter,
IN ULONG fulSpeed, // Speed flags
IN ULONG fulFlags, // Flags
IN ULONG nChannel, // Channel to be used
IN ULONG nMaxBytesPerFrame, // Expected size of Isoch frame
IN ULONG nNumberOfBuffers, // Number of buffer(s) that will be attached
IN ULONG nMaxBufferSize, // Max size of buffer(s)
IN ULONG nQuadletsToStrip, // Number striped from start of every packet
IN ULARGE_INTEGER uliChannelMask, // ChannelMask for Multiple channels
IN OUT PHANDLE phResource // handle to Resource
)
// Function Description:
// This function sends an allocate resources irp to the driver. The miniport must do this before it
// attempts any channel operation
// Arguments
// Taken from documentation for the IsochAllocateResources
// fulSpeed - should be the max speed the tx side is expected to stream
// The payload size in nMaxBytesPerFram cannot exceed the max payload for
// for this speed.
// fulFlags - For receive, wtih the standard header stripped, the field should
// be = (RESOURCE_USED_IN_LISTEN | RESOURCES_STRIP_ADDITIONAL_QUADLETS)
// Also nQuadletsToStrip = 1
// For no stripping set nQuadsTostrip to 0 and dont specify the stripping flag.
// nMaxBytesPerframe - If not stripping it should include the 8 bytes for header/trailer
// expected to be recieved for each packet.
// nNumberOfBuffer - see below
// nMaxBufferSize - This should be always such mode(nMaxBufferSize,nMaxBytesPerFrame) == 0
// (integer product of number of bytes per packet).
// nQuadletsTostrip - If stripping only one quadlet (standrd iso header) this is set to 1
// if zero, the isoch header will be included AND the trailer. So 8 bytes extra will be recieved
// hResource - see below
// Return Value:
// Success if the channel was allocated
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicIsochAllocateResources ") );
ASSERT (fulSpeed != 0); // 0 is undefined in ISOCH_SP...
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateResources , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_ALLOCATE_RESOURCES;
pIrb->Flags = 0;
pIrb->u.IsochAllocateResources.fulSpeed = fulSpeed;
pIrb->u.IsochAllocateResources.fulFlags = fulFlags;
pIrb->u.IsochAllocateResources.nChannel = nChannel;
pIrb->u.IsochAllocateResources.nMaxBytesPerFrame = nMaxBytesPerFrame;
pIrb->u.IsochAllocateResources.nNumberOfBuffers = nNumberOfBuffers;
pIrb->u.IsochAllocateResources.nMaxBufferSize = nMaxBufferSize;
pIrb->u.IsochAllocateResources.nQuadletsToStrip = nQuadletsToStrip;
pIrb->u.IsochAllocateResources.ChannelMask = uliChannelMask;
nicIsochAllocateResourcesDebugSpew(pIrb);
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateResources , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAllocateResources , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_N, TM_Irp, ( "nicIsochAllocateResources Succeeded hResource %x", pIrb->u.IsochAllocateResources.hResource) );
*phResource = pIrb->u.IsochAllocateResources.hResource;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicIsochAllocateResources , Status %x, hResource %x", NdisStatus, *phResource ) );
MATCH_IRQL;
return NdisStatus;
}
VOID
nicIsochAllocateResourcesDebugSpew(
IN PIRB pIrb)
{
TRACE( TL_V, TM_Irp, ( " Speed %x", pIrb->u.IsochAllocateResources.fulSpeed ) );
TRACE( TL_V, TM_Irp, ( " flags %x", pIrb->u.IsochAllocateResources.fulFlags ) );
TRACE( TL_V, TM_Irp, ( " Channel %x", pIrb->u.IsochAllocateResources.nChannel ) );
TRACE( TL_V, TM_Irp, ( " nMaxBytesPerFrame %x", pIrb->u.IsochAllocateResources.nMaxBytesPerFrame ) );
TRACE( TL_V, TM_Irp, ( " nNumberOfBuffers %x", pIrb->u.IsochAllocateResources.nNumberOfBuffers ) );
TRACE( TL_V, TM_Irp, ( " nMaxBufferSize %x", pIrb->u.IsochAllocateResources.nMaxBufferSize ) );
TRACE( TL_V, TM_Irp, ( " nQuadletsToStrip %x", pIrb->u.IsochAllocateResources.nQuadletsToStrip ) );
TRACE( TL_V, TM_Irp, ( " pIrb->u.IsochAllocateResources.ChannelMask %I64x", pIrb->u.IsochAllocateResources.ChannelMask ) );
}
NDIS_STATUS
nicIsochFreeResources(
IN PADAPTERCB pAdapter,
IN HANDLE hResource
)
// Function Description:
// Arguments
//
// Return Value:
//
{
PIRP pIrp = NULL;
PIRB pIrb = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
TRACE( TL_T, TM_Irp, ( "==>nicIsochFreeResources pAdapter %x, hResource %8x", pAdapter, hResource) );
ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
ASSERT (hResource != NULL);
do
{
NdisStatus = nicGetIrb(&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrb failed in nicIsochFreeResources" ) );
break;
}
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrp failed in nicIsochFreeResources" ) );
break;
}
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_FREE_RESOURCES;
pIrb->Flags = 0;
pIrb->u.IsochFreeResources.hResource = hResource;
NdisStatus = nicSubmitIrp_LocalHostSynch( pAdapter,
pIrp,
pIrb );
} while (FALSE);
//
// Free the locally allocated memory
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
//
// We do not care about the status, because we do not know what to do if it fails.
// However, spew some debug out.
//
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_N, TM_Irp, ( "nicIsochFreeResources FAILED %x", NdisStatus) );
ASSERT (NdisStatus == NDIS_STATUS_SUCCESS);
}
TRACE( TL_T, TM_Irp, ( "<==nicIsochFreeResources Status %x (always success)", NdisStatus) );
NdisStatus = NDIS_STATUS_SUCCESS;
return NdisStatus;
}
NDIS_STATUS
nicIsochModifyStreamProperties (
PADAPTERCB pAdapter,
NDIS_HANDLE hResource,
ULARGE_INTEGER ullChannelMap,
ULONG ulSpeed)
/*++
Routine Description:
Sets up the Irp and uses the VDO to do an IoCallDriver
Arguments:
Return Value:
--*/
{
PIRP pIrp = NULL;
PIRB pIrb = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
NDIS_STATUS NdisStatus = NDIS_STATUS_SUCCESS;
TRACE( TL_T, TM_Irp, ( "==>nicIsochModifyStreamProperties pAdapter %x, hResource %x, Speed %x, ChannelMap %I64x",
pAdapter,
hResource,
ulSpeed,
ullChannelMap) );
ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
ASSERT (hResource != NULL);
do
{
NdisStatus = nicGetIrb(&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrb failed in nicIsochModifyStreamProperties " ) );
break;
}
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetIrp failed in nicIsochModifyStreamProperties " ) );
break;
}
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_MODIFY_STREAM_PROPERTIES ;
pIrb->Flags = 0;
pIrb->u.IsochModifyStreamProperties.hResource = hResource;
pIrb->u.IsochModifyStreamProperties.ChannelMask = ullChannelMap;
pIrb->u.IsochModifyStreamProperties.fulSpeed = ulSpeed;
NdisStatus = nicSubmitIrp_LocalHostSynch( pAdapter,
pIrp,
pIrb );
} while (FALSE);
//
// Free the locally allocated memory
//
nicFreeIrb(pIrb);
nicFreeIrp(pIrp);
//
// We do not care about the status, because we do not know what to do if it fails.
// However, spew some debug out.
//
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_N, TM_Irp, ( "nicIsochModifyStreamProperties FAILED %x", NdisStatus) );
ASSERT (NdisStatus == NDIS_STATUS_SUCCESS);
}
TRACE( TL_T, TM_Irp, ( "<==nicIsochModifyStreamProperties Status %x (always success)", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicBusReset (
IN PADAPTERCB pAdapter,
IN OUT ULONG fulFlags
)
// Function Description:
// This function sends an Irp to the Bus driver to reset the bus
// Any remote Pdo can be used for the Irp.
// A flag can be set to force the root to be reset
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicBusReset , PdoCb, %x Flags %x", pAdapter, fulFlags ) );
ASSERT (pPdo != NULL);
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusReset , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_BUS_RESET;
pIrb->Flags = 0;
pIrb->u.BusReset.fulFlags = fulFlags;
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusReset, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
TRACE( TL_N, TM_Irp, ( "BUS RESET, Flags%d on pAdapter %x", fulFlags, pAdapter) );
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusReset , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
NdisInterlockedIncrement (&pAdapter->AdaptStats.ulNumResetsIssued);
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicBusReset %x", NdisStatus ) );
MATCH_IRQL;
return NdisStatus;
}
NDIS_STATUS
nicBusResetNotification (
IN PADAPTERCB pAdapter,
IN ULONG fulFlags,
IN PBUS_BUS_RESET_NOTIFICATION pResetRoutine,
IN PVOID pResetContext
)
// Function Description:
// This function sends an Irp to the Bus driver to register/deregister
// a notification routine. Any remote Pdo can be used for the Irp.
//
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicBusResetNotification, pAdapter %x, Flags %x, Routine %x, Context %x", pAdapter, fulFlags, pResetRoutine, pResetContext ) );
ASSERT (KeGetCurrentIrql()==PASSIVE_LEVEL);
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusResetNotification , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_BUS_RESET_NOTIFICATION;
pIrb->Flags = 0;
pIrb->u.BusResetNotification.fulFlags = fulFlags;
pIrb->u.BusResetNotification.ResetRoutine = pResetRoutine;
pIrb->u.BusResetNotification.ResetContext= pResetContext;
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusResetNotification , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicBusResetNotification , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_N, TM_Irp, ( " nicBusResetNotification success, Flags %d on pAdapter %x", fulFlags, pAdapter) );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicBusResetNotification %x", NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicGetMaxSpeedBetweenDevices (
PADAPTERCB pAdapter,
UINT NumOfRemoteNodes,
PDEVICE_OBJECT pArrayDestinationPDO[MAX_LOCAL_NODES],
PULONG pSpeed
)
// Function Description:
// This function submits an irp to the bus driver
// to get the max speed between 2 nodes
// Uses REQUEST_GET_SPEED_BETWEEN_DEVICES
//
//
// Arguments
// Remote Node Start of an array of PDOs for remote nodes
// NumOfRemoteNodes The number of remote nodes we are interested in
// pArrayDestinationPDO = Array of Destination PDO's
// Return Value:
// Success if irp succeeded
// pSpeed will point to the Speed
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
ULONG NumRemote = NumOfRemoteNodes;
TRACE( TL_T, TM_Irp, ( "==>nicGetMaxSpeedBetweenDevices pRemoteNodeArray %x",
pArrayDestinationPDO ) );
TRACE( TL_T, TM_Irp, ( "==>NumOfRemoteNodes %x, pSpeed %x",
NumOfRemoteNodes, pSpeed ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetMaxSpeedBetweenDevices , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
while (NumRemote != 0)
{
pIrb->u.GetMaxSpeedBetweenDevices.hDestinationDeviceObjects[NumRemote-1] = pArrayDestinationPDO[NumRemote-1];
NumRemote --;
}
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_GET_SPEED_BETWEEN_DEVICES;
pIrb->Flags = 0;
pIrb->u.GetMaxSpeedBetweenDevices.fulFlags = USE_LOCAL_NODE;
pIrb->u.GetMaxSpeedBetweenDevices.ulNumberOfDestinations = NumOfRemoteNodes;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetMaxSpeedBetweenDevices , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetMaxSpeedBetweenDevices , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
*pSpeed = pIrb->u.GetMaxSpeedBetweenDevices.fulSpeed ;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicGetMaxSpeedBetweenDevices Status %x, Speed %x",
NdisStatus, *pSpeed ) );
return NdisStatus;
}
NDIS_STATUS
nicIsochAttachBuffers (
IN PADAPTERCB pAdapter,
IN HANDLE hResource,
IN ULONG nNumberOfDescriptors,
PISOCH_DESCRIPTOR pIsochDescriptor
)
// Function Description:
//
// Arguments
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
ASSERT (pIsochDescriptor!=NULL);
ASSERT (hResource != NULL);
ASSERT (nNumberOfDescriptors > 0);
TRACE( TL_T, TM_Irp, ( "==>nicIsochAttachBuffers, pAdapter, %x ", pAdapter) );
TRACE( TL_N, TM_Irp, ( "hResource %x, nNumberOfDescriptors %x, pIsochDescriptor %x, ", hResource, nNumberOfDescriptors, pIsochDescriptor ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAttachBuffers, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_ATTACH_BUFFERS;
pIrb->Flags = 0;
pIrb->u.IsochAttachBuffers.hResource = hResource ;
pIrb->u.IsochAttachBuffers.nNumberOfDescriptors = nNumberOfDescriptors;
pIrb->u.IsochAttachBuffers.pIsochDescriptor = pIsochDescriptor;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAttachBuffers , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochAttachBuffers , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_N, TM_Irp, ( "nicIsochAttachBuffers success") );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicIsochAttachBuffers %x", NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicIsochDetachBuffers (
IN PADAPTERCB pAdapter,
IN HANDLE hResource,
IN ULONG nNumberOfDescriptors,
PISOCH_DESCRIPTOR pIsochDescriptor
)
// Function Description:
//
// Arguments
// HANDLE hResource; // Resource handle
// ULONG nNumberOfDescriptors; // Number to detach
// PISOCH_DESCRIPTOR pIsochDescriptor; // Pointer to Isoch descriptors - same as
// pointer used in Attach Buffers
// Return Status :
// Success if the Irp succeeded
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
STORE_CURRENT_IRQL;
ASSERT (pIsochDescriptor!=NULL);
ASSERT (hResource != NULL);
ASSERT (nNumberOfDescriptors > 0);
TRACE( TL_T, TM_Irp, ( "==>nicIsochDetachBuffers, ") );
TRACE( TL_V, TM_Irp, ( "hResource %x, nNumberOfDescriptors %x, pIsochDescriptor %x, ", hResource, nNumberOfDescriptors, pIsochDescriptor ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochDetachBuffers, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_DETACH_BUFFERS;
pIrb->Flags = 0;
pIrb->u.IsochDetachBuffers.hResource = hResource ;
pIrb->u.IsochDetachBuffers.nNumberOfDescriptors = nNumberOfDescriptors;
pIrb->u.IsochDetachBuffers.pIsochDescriptor = pIsochDescriptor;
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochDetachBuffers , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochDetachBuffers , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_V, TM_Irp, ( "nicIsochDetachBuffers success, ") );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicIsochDetachBuffers %x", NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicIsochListen (
IN PADAPTERCB pAdapter,
HANDLE hResource,
ULONG fulFlags,
CYCLE_TIME StartTime
)
// Function Description:
// Activates the bus driver to listen to data on that channel
// Arguments
// RemoteNode - Remote Node
// hResource - Handle to resource with ISochDescriptors
// Flags - not used yet
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
ASSERT (hResource != NULL);
TRACE( TL_T, TM_Irp, ( "==>nicIsochListen, pAdapter %x, hResource %x ", pAdapter,hResource) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochListen, nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_LISTEN;
pIrb->Flags = 0;
pIrb->u.IsochListen.hResource = hResource ;
pIrb->u.IsochListen.fulFlags = fulFlags;
pIrb->u.IsochListen.StartTime = StartTime;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochListen , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochListen , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_N, TM_Irp, ( "nicIsochListen success, pAdapter %x", pAdapter) );
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<==nicIsochListen %x", NdisStatus ) );
return NdisStatus;
}
NDIS_STATUS
nicIsochStop (
IN PADAPTERCB pAdapter,
IN HANDLE hResource
)
// Function Description:
// Issues an IsochStop Irp to the Device
// Should stop Isoch IO on that resource
// Arguments
// PdoCb The Pdo for the remote node to which the Irp is submitted
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PDEVICE_OBJECT pPdo = pAdapter->pNextDeviceObject;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicIsochStop , pPdo, %x hResource %x", pPdo, hResource) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochStop , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_ISOCH_STOP;
pIrb->Flags = 0;
pIrb->u.IsochStop.hResource = hResource;
pIrb->u.IsochStop.fulFlags = 0;
NdisStatus = nicGetIrp (pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochStop , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicIsochStop , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicIsochStop , Status ", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicGetLocalHostCSRTopologyMap(
IN PADAPTERCB pAdapter,
IN PULONG pLength,
IN PVOID pBuffer
)
// Function Description:
// Retrieves the local hosts CSR.
// Arguments
// pBuffer - LocalHostBuffer
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
GET_LOCAL_HOST_INFO6 LocalHostInfo6;
STORE_CURRENT_IRQL;
ASSERT (pLength != NULL);
ASSERT (pBuffer != NULL);
TRACE( TL_T, TM_Irp, ( "==>nicGetLocalHostCSRTopologyMap , pAdapter %x ,Length %x, Buffer",
pAdapter, *pLength, pBuffer) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostCSRTopologyMap , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
LocalHostInfo6.CsrBaseAddress.Off_High = INITIAL_REGISTER_SPACE_HI;
LocalHostInfo6.CsrBaseAddress.Off_Low = TOPOLOGY_MAP_LOCATION;
LocalHostInfo6.CsrDataLength = *pLength;
LocalHostInfo6.CsrDataBuffer = pBuffer;
pIrb->FunctionNumber = REQUEST_GET_LOCAL_HOST_INFO;
pIrb->Flags = 0;
pIrb->u.GetLocalHostInformation.nLevel = GET_HOST_CSR_CONTENTS;
pIrb->u.GetLocalHostInformation.Information = &LocalHostInfo6;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostCSRTopologyMap , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostCSRTopologyMap , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
TRACE( TL_A, TM_Irp, ( "Length Needed %.x", LocalHostInfo6.CsrDataLength) );
if (pIrp->IoStatus.Status == STATUS_INVALID_BUFFER_SIZE)
{
*pLength = LocalHostInfo6.CsrDataLength;
}
break;
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicGetLocalHostCSRTopologyMap , Status %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicGetLocalHostConfigRom(
IN PADAPTERCB pAdapter,
OUT PVOID *ppCRom
)
// Function Description:
// Retrieves the local hosts CSR.
// Arguments
// pBuffer - Locally allocated. Caller has to free
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
GET_LOCAL_HOST_INFO5 Info;
PVOID pCRom;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicGetLocalHostConfigRom, pAdapter %x ",
pAdapter) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostConfigRom , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
Info.ConfigRom = NULL;
Info.ConfigRomLength = 0;
pIrb->FunctionNumber = REQUEST_GET_LOCAL_HOST_INFO ;
pIrb->Flags = 0;
pIrb->u.GetLocalHostInformation.nLevel = GET_HOST_CONFIG_ROM;
pIrb->u.GetLocalHostInformation.Information = &Info;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostConfigRom , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
//
// First find the length
//
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (Info.ConfigRomLength == 0)
{
NdisStatus = NDIS_STATUS_FAILURE;
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostConfigRom, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
nicFreeIrp (pIrp);
pIrp = NULL;
pCRom = ALLOC_NONPAGED (Info.ConfigRomLength, 'C31N');
if (pCRom == NULL)
{
NdisStatus = NDIS_STATUS_FAILURE;
break;
}
Info.ConfigRom = pCRom;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostConfigRom, nicGetIrp FAILED" ) );
break;
}
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostConfigRom, nicGetIrp FAILED" ) );
break;
}
*ppCRom = pCRom;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicGetLocalHostCSRTopologyMap , Status %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicGetConfigRom(
IN PDEVICE_OBJECT pPdo,
OUT PVOID *ppCrom
)
// Function Description:
// Retrieves the Config Rom from the Device Object.
// Caller responsibility to free this memory.
// Arguments
// pBuffer - LocalHostBuffer
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
ULONG SizeNeeded= 0;
PVOID pConfigInfoBuffer;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicGetConfigRom, pPdo %x ",pPdo ) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostCSRTopologyMap , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
pIrb->FunctionNumber = REQUEST_GET_CONFIGURATION_INFO;
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_PDOSynch ( pPdo,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
nicFreeIrp (pIrp);
//
// Clear the Irp so that it will not be double freed if we fail
//
pIrp = NULL;
SizeNeeded = sizeof(CONFIG_ROM) +pIrb->u.GetConfigurationInformation.UnitDirectoryBufferSize +
pIrb->u.GetConfigurationInformation.UnitDependentDirectoryBufferSize +
pIrb->u.GetConfigurationInformation.VendorLeafBufferSize +
pIrb->u.GetConfigurationInformation.ModelLeafBufferSize;
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom , SixeNeeded %x", SizeNeeded) );
pConfigInfoBuffer = ALLOC_NONPAGED (SizeNeeded , 'C13N');
if (pConfigInfoBuffer == NULL)
{
NdisStatus = NDIS_STATUS_FAILURE;
break;
}
pIrb->u.GetConfigurationInformation.ConfigRom = (PCONFIG_ROM)pConfigInfoBuffer;
pIrb->u.GetConfigurationInformation.UnitDirectory = (PVOID)((PUCHAR)pConfigInfoBuffer + sizeof(CONFIG_ROM));
pIrb->u.GetConfigurationInformation.UnitDependentDirectory = (PVOID)((PUCHAR)pIrb->u.GetConfigurationInformation.UnitDirectory +
pIrb->u.GetConfigurationInformation.UnitDirectoryBufferSize);
pIrb->u.GetConfigurationInformation.VendorLeaf = (PVOID)((PUCHAR)pIrb->u.GetConfigurationInformation.UnitDependentDirectory +
pIrb->u.GetConfigurationInformation.UnitDependentDirectoryBufferSize);
pIrb->u.GetConfigurationInformation.ModelLeaf = (PVOID)((PUCHAR)pIrb->u.GetConfigurationInformation.VendorLeaf +
pIrb->u.GetConfigurationInformation.VendorLeafBufferSize);
pIrb->FunctionNumber = REQUEST_GET_CONFIGURATION_INFO;
NdisStatus = nicGetIrp ( pPdo, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_PDOSynch ( pPdo,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
TRACE( TL_A, TM_Irp, ( "nicGetConfigRom, pConfigRom %x, Size %x", pConfigInfoBuffer , SizeNeeded ) );
*ppCrom = pConfigInfoBuffer;
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicGetLocalHostCSRTopologyMap , Status %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicGetReadWriteCapLocalHost(
IN PADAPTERCB pAdapter,
PGET_LOCAL_HOST_INFO2 pReadWriteCaps
)
/*++
Routine Description:
Gets the ReadWrite Capabilities for the local host
Arguments:
ReadWriteCaps - To be filled up byt the bus driver
Return Value:
--*/
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicGetReadWriteCapLocalHost, pAdapter %x pReadWriteCaps %x",
pAdapter, pReadWriteCaps) );
do
{
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetReadWriteCapLocalHost , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
NdisZeroMemory (pReadWriteCaps, sizeof(*pReadWriteCaps));
pIrb->FunctionNumber = REQUEST_GET_LOCAL_HOST_INFO;
pIrb->Flags = 0;
pIrb->u.GetLocalHostInformation.nLevel = GET_HOST_CAPABILITIES;
pIrb->u.GetLocalHostInformation.Information = pReadWriteCaps;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetReadWriteCapLocalHost, nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetReadWriteCapLocalHost, nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicGetReadWriteCapLocalHost, Status %x", NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicSetLocalHostPropertiesCRom (
IN PADAPTERCB pAdapter,
IN PUCHAR pConfigRom,
IN ULONG Length,
IN ULONG Flags,
IN OUT PHANDLE phCromData,
IN OUT PMDL *ppConfigRomMdl
)
// Function Description:
// Allocates an MDL pointing to the Buffer
// and sends it to the bus driver
//
// Arguments
// pAdapter - Local host
// ConfigRom - Buffer to be sent to the bus driver
// Length - Length of the Config Rom Buffer
// Flags - Add or remove
// phConfigRom - if Remove then this is an input parameter
// Return Value:
// Handle - Is successful
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
PMDL pMdl = NULL;
SET_LOCAL_HOST_PROPS3 SetLocalHost3;
TRACE( TL_T, TM_Irp, ( "==>nicSetLocalHostPropertiesCRom , pAdapter %x, pConfigRom %x",pAdapter, pConfigRom) );
if (Flags == SLHP_FLAG_ADD_CROM_DATA)
{
TRACE( TL_T, TM_Irp, ( " ADD") );
}
else
{
TRACE( TL_T, TM_Irp, ( " REMOVE Handle %x", *pConfigRom) );
}
do
{
//
// Get an mdl describing the config rom
//
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicSetLocalHostPropertiesCRom , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
// Initialize the set local host struct
//
if (Flags == SLHP_FLAG_ADD_CROM_DATA)
{
NdisStatus = nicGetMdl ( Length, pConfigRom, &pMdl);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicSetLocalHostPropertiesCRom , nicGetIrb FAILED" ) );
break;
}
SetLocalHost3.fulFlags = SLHP_FLAG_ADD_CROM_DATA;
SetLocalHost3.hCromData = NULL;
SetLocalHost3.nLength = Length;
SetLocalHost3.Mdl = pMdl;
}
else
{
SetLocalHost3.fulFlags = SLHP_FLAG_REMOVE_CROM_DATA ;
ASSERT (phCromData != NULL);
SetLocalHost3.hCromData = *phCromData;
}
pIrb->FunctionNumber = REQUEST_SET_LOCAL_HOST_PROPERTIES;
pIrb->Flags = 0;
pIrb->u.GetLocalHostInformation.nLevel = SET_LOCAL_HOST_PROPERTIES_MODIFY_CROM;
pIrb->u.GetLocalHostInformation.Information = &SetLocalHost3;
//
// Get an Irp
//
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicSetLocalHostPropertiesCRom , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicSetLocalHostPropertiesCRom , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
if (Flags == SLHP_FLAG_ADD_CROM_DATA)
{
*phCromData = SetLocalHost3.hCromData;
*ppConfigRomMdl = pMdl;
}
else
{
//
// Free the Mdl that contains the CROM
//
ASSERT (*ppConfigRomMdl);
nicFreeMdl (*ppConfigRomMdl);
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicSetLocalHostPropertiesCRom pAdapter %x", pAdapter ) );
return NdisStatus;
}
NDIS_STATUS
nicGetLocalHostUniqueId(
IN PADAPTERCB pAdapter,
IN OUT PGET_LOCAL_HOST_INFO1 pUid
)
// Function Description:
// Retrieves the local hosts UniqueId.
// Arguments
// pBuffer - LocalHostBuffer
//
// Return Value:
// Success if the Irp Succeeded
// Failure otherwise
//
{
NDIS_STATUS NdisStatus = NDIS_STATUS_FAILURE;
PIRB pIrb = NULL;
PIRP pIrp = NULL;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicGetLocalHostUniqueId , pAdapter%x ,pUid",
pAdapter, pUid) );
do
{
ASSERT (pAdapter->pNextDeviceObject != NULL);
NdisStatus = nicGetIrb (&pIrb);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostUniqueId , nicGetIrb FAILED" ) );
break;
}
ASSERT ( pIrb != NULL);
//
//Initialize the datastructures in the Irb
//
pIrb->FunctionNumber = REQUEST_GET_LOCAL_HOST_INFO;
pIrb->Flags = 0;
pIrb->u.GetLocalHostInformation.nLevel = GET_HOST_UNIQUE_ID;
pIrb->u.GetLocalHostInformation.Information = (PVOID) pUid;
NdisStatus = nicGetIrp ( pAdapter->pNextDeviceObject, &pIrp);
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostCSRTopologyMap , nicGetIrp FAILED" ) );
break;
}
ASSERT (pIrp != NULL);
NdisStatus = nicSubmitIrp_LocalHostSynch ( pAdapter,
pIrp,
pIrb );
if (NdisStatus != NDIS_STATUS_SUCCESS)
{
TRACE( TL_A, TM_Irp, ( "nicGetLocalHostUniqueId , nicSubmitIrp_Synch FAILED %x", NdisStatus ) );
break;
}
} while (FALSE);
//
// Now free all the locally allocated resources. They can point to NULL, in which case the called
// functions return immediately
//
nicFreeIrb (pIrb);
nicFreeIrp (pIrp);
MATCH_IRQL;
TRACE( TL_T, TM_Irp, ( "<== nicGetLocalHostUniqueId , Status %x", NdisStatus) );
return NdisStatus;
}
//---------------------------------------------------------
// The routines to submit Irp's to the bus, synchronously or
// asynchronously begin here
//---------------------------------------------------------
NTSTATUS
nicSubmitIrp(
IN PDEVICE_OBJECT pPdo,
IN PIRP pIrp,
IN PIRB pIrb,
IN PIO_COMPLETION_ROUTINE pCompletion,
IN PVOID pContext
)
//
// This is the generic function used by all Irp Send Handlers
// to do an IoCallDriver. It sets up the next location in the
// stack prior to calling the Irp
// Make sure the Irp knows about the Irb by setting it up as an argument
//
{
NTSTATUS NtStatus ;
PIO_STACK_LOCATION NextIrpStack;
TRACE( TL_T, TM_Irp, ( "==>nicSubmitIrp, pPdo %x, Irp %x, Irb %x, ",
pPdo, pIrp ,pIrb, pCompletion ) );
TRACE( TL_T, TM_Irp, ( " pCompletion %x, pContext %x",
pCompletion, pContext ) );
ASSERT (pPdo != NULL);
IoSetCompletionRoutine (pIrp,
pCompletion,
pContext,
TRUE,
TRUE,
TRUE);
//
// Insert the Irp as as the argument in the NextStack location for the IRP
//
if (pIrb)
{
NextIrpStack = IoGetNextIrpStackLocation (pIrp);
NextIrpStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
NextIrpStack->DeviceObject = pPdo;
NextIrpStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_1394_CLASS;
NextIrpStack->Parameters.Others.Argument1 = pIrb;
}
else
{
IoCopyCurrentIrpStackLocationToNext(pIrp);
}
//
// Reference the PDO and Submit the Irp
// If Ref fails, it means the PDO has been deactivated on another thread
//
NtStatus = IoCallDriver (pPdo, pIrp);
TRACE( TL_T, TM_Irp, ( "<==nicSubmitIrp, PDO %x, NtStatus %x",
pPdo, NtStatus ) );
//
// Since we did a IoCallDriver, we have a guarantee that the completion
// routine will be called. Exit gracefully
//
return NtStatus;
}
NDIS_STATUS
nicSubmitIrp_Synch(
IN REMOTE_NODE *pRemoteNode,
IN PIRP pIrp,
IN PIRB pIrb
)
// Callers need to make sure that no context is set for the Irp
// as it will be a synchronous call for them
//
// We refcount the Pdo block so that the pdo block will not disappear
// during the duration of the IoCallDriver
{
NDIS_EVENT NdisSynchEvent;
NTSTATUS NtStatus;
NDIS_STATUS NdisStatus;
BOOLEAN bSuccessful = FALSE;
BOOLEAN bIsPdoValid = FALSE;
TRACE( TL_T, TM_Irp, ( "==>nicSubmitIrp_Synch, PDO %x", pRemoteNode->pPdo ) );
ASSERT (pRemoteNode != NULL);
ASSERT (pRemoteNode->pPdo != NULL);
ASSERT (pIrp != NULL);
ASSERT (pIrb != NULL)
do
{
//
// Check to see if Pdo is Valid. We do not care here if the Pdo is being
// removed because Vcs may want to submit Irps as part of their cleanup
// process
//
REMOTE_NODE_ACQUIRE_LOCK (pRemoteNode);
if ( REMOTE_NODE_TEST_FLAG (pRemoteNode, PDO_Activated )
&& (nicReferenceRemoteNode (pRemoteNode, SubmitIrp_Synch) == TRUE) )
{
bIsPdoValid = TRUE;
}
REMOTE_NODE_RELEASE_LOCK (pRemoteNode);
if ( bIsPdoValid == FALSE)
{
NtStatus = STATUS_NO_SUCH_DEVICE;
TRACE( TL_A, TM_Irp, ( "==>PDO is NOT Valid, nicSubmitIrp_Synch, PdoCb %x, Pdo %x", pRemoteNode, pRemoteNode->pPdo ) );
break;
}
//
// Add a reference to the PDO block so it cannot be removed
// This reference is decremented at the end of this function
//
NdisInitializeEvent (&NdisSynchEvent);
NtStatus = nicSubmitIrp ( pRemoteNode->pPdo,
pIrp,
pIrb,
nicSubmitIrp_SynchComplete,
(PVOID)&NdisSynchEvent);
} while (FALSE);
if (NT_SUCCESS (NtStatus) ==TRUE) // Could also pend
{
//
// Now we need to wait for the event to complete
// and return a good status if we do not hit the timeout
//
ASSERT (KeGetCurrentIrql()==PASSIVE_LEVEL);
bSuccessful = NdisWaitEvent (&NdisSynchEvent,WAIT_INFINITE);
if (bSuccessful == TRUE)
{
//
// We waited successfully. Now lets see how the Irp fared.
//
TRACE( TL_V, TM_Irp, (" Irp Completed Status %x", pIrp->IoStatus.Status) );
NdisStatus = NtStatusToNdisStatus (pIrp->IoStatus.Status);
}
else
{
NdisStatus = NDIS_STATUS_FAILURE;
}
}
else
{ //
// The call to submit Irp failed synvhronously. Presently, the only cause is an
NdisStatus = NtStatusToNdisStatus (NtStatus);
}
if (bIsPdoValid == TRUE)
{
//
// If this variable is set, it means we have referenced the PDO
//
nicDereferenceRemoteNode (pRemoteNode, SubmitIrp_Synch);
}
TRACE( TL_T, TM_Irp, ( "<==nicSubmitIrp_Synch, bSuccessful %.2x, Status %x", bSuccessful, NdisStatus) );
return NdisStatus;
}
NTSTATUS
nicSubmitIrp_SynchComplete(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP pIrp,
IN PVOID Context
)
// This is the completion routine for functions nicSubmitIrp_synch.
// It sets the event (int the context) and exits
//
{
PNDIS_EVENT pNdisSynchEvent = (PNDIS_EVENT) Context;
TRACE( TL_T, TM_Irp, ( "==>nicSubmitIrp_SynchComplete, PDO %x, pIrp %x, status %x",DeviceObject,pIrp, pIrp->IoStatus.Status ) );
NdisSetEvent (pNdisSynchEvent);
return (STATUS_MORE_PROCESSING_REQUIRED);
}
NDIS_STATUS
nicSubmitIrp_LocalHostSynch(
IN PADAPTERCB pAdapter,
IN PIRP pIrp,
IN PIRB pIrb
)
// Callers need to make sure that no context is set for the Irp
// as it will be a synchronous call for them
//
// No Checking
//
{
NDIS_EVENT NdisSynchEvent;
NTSTATUS NtStatus;
NDIS_STATUS NdisStatus;
BOOLEAN bSuccessful = FALSE;
BOOLEAN bIsPdoValid = FALSE;
TRACE( TL_T, TM_Irp, ( "==>nicSubmitIrp_LocalHostSynch, PDO %x", pAdapter->pNextDeviceObject ) );
TRACE( TL_V, TM_Irp, ( "Current Irql , %.2x", KeGetCurrentIrql()) );
ASSERT (pIrp != NULL);
ASSERT (pIrb != NULL)
do
{
//
// Check to see if Pdo is Valid.
//
//
// Add a reference to the PDO block so it cannot be removed
// This reference is decremented at the end of this function
//
// This reference is decrement below
if (ADAPTER_ACTIVE(pAdapter))
{
nicReferenceAdapter(pAdapter, "nicSubmitIrp_LocalHostSynch");
TRACE( TL_V, TM_Irp, ( "Adapter Active pAdapter %x, ulflags %x", pAdapter , pAdapter->ulFlags) );
bIsPdoValid = TRUE;
}
else
{
TRACE( TL_V, TM_Irp, ( "Adapter INActive pAdapter %x, ulflags %x", pAdapter , pAdapter->ulFlags) );
bIsPdoValid = FALSE;
}
if ( bIsPdoValid == FALSE)
{
NtStatus = STATUS_NO_SUCH_DEVICE;
TRACE( TL_A, TM_Irp, ( "==>PDO is NOT Valid, nicSubmitIrp_LocalHostSynch, pAdapter %x, Pdo %x", pAdapter , pAdapter->pNextDeviceObject) );
break;
}
NdisInitializeEvent (&NdisSynchEvent);
NtStatus = nicSubmitIrp ( pAdapter->pNextDeviceObject,
pIrp,
pIrb,
nicSubmitIrp_SynchComplete,
(PVOID)&NdisSynchEvent);
} while (FALSE);
if (NT_SUCCESS (NtStatus) ==TRUE) // Could also pend
{
//
// Now we need to wait for the event to complete
// and return a good status if we do not hit the timeout
//
bSuccessful = NdisWaitEvent (&NdisSynchEvent,WAIT_INFINITE);
if (bSuccessful == TRUE)
{
//
// We waited successfully. Now lets see how the Irp fared.
//
TRACE( TL_V, TM_Irp, (" Irp Completed Status %x", pIrp->IoStatus.Status) );
NdisStatus = NtStatusToNdisStatus (pIrp->IoStatus.Status);
}
else
{
NdisStatus = NDIS_STATUS_FAILURE;
}
}
else
{
//
// IoCallDriver failed synchronously
//
NdisStatus = NtStatusToNdisStatus (NtStatus);
}
if (bIsPdoValid == TRUE)
{
nicDereferenceAdapter(pAdapter, "nicSubmitIrp_LocalHostSynch");
}
TRACE( TL_T, TM_Irp, ( "<==nicSubmitIrp_LocalHostSynch, bSuccessful %.2x, Status %x", bSuccessful, NdisStatus) );
return NdisStatus;
}
NDIS_STATUS
nicSubmitIrp_PDOSynch(
IN PDEVICE_OBJECT pPdo,
IN PIRP pIrp,
IN PIRB pIrb
)
// Callers need to make sure that no context is set for the Irp
// as it will be a synchronous call for them
//
// No Checking
//
{
NDIS_EVENT NdisSynchEvent;
NTSTATUS NtStatus;
NDIS_STATUS NdisStatus;
BOOLEAN bSuccessful = FALSE;
STORE_CURRENT_IRQL;
TRACE( TL_T, TM_Irp, ( "==>nicSubmitIrp_PDOSynch, PDO %x", pPdo) );
TRACE( TL_V, TM_Irp, ( "Current Irql , %.2x", KeGetCurrentIrql()) );
ASSERT (pIrp != NULL);
ASSERT (pIrb != NULL)
//
// No Checks to see if Pdo is Valid.
//
//
// Send the Irp to the bus driver
//
NdisInitializeEvent (&NdisSynchEvent);
NtStatus = nicSubmitIrp ( pPdo,
pIrp,
pIrb,
nicSubmitIrp_SynchComplete,
(PVOID)&NdisSynchEvent);
if (NT_SUCCESS (NtStatus) ==TRUE) // Could also pend
{
//
// Now we need to wait for the event to complete
// and return a good status if we do not hit the timeout
//
ASSERT (KeGetCurrentIrql()==PASSIVE_LEVEL);
bSuccessful = NdisWaitEvent (&NdisSynchEvent,WAIT_INFINITE);
if (bSuccessful == TRUE)
{
//
// We waited successfully. Now lets see how the Irp fared.
//
TRACE( TL_V, TM_Irp, (" Irp Completed Status %x", pIrp->IoStatus.Status) );
NdisStatus = NtStatusToNdisStatus (pIrp->IoStatus.Status);
}
else
{
NdisStatus = NDIS_STATUS_FAILURE;
}
}
else
{
//
// IoCallDriver failed synchronously
//
NdisStatus = NtStatusToNdisStatus (NtStatus);
}
TRACE( TL_T, TM_Irp, ( "<==nicSubmitIrp_PDOSynch, bSuccessful %.2x, Status %x", bSuccessful, NdisStatus) );
MATCH_IRQL;
return NdisStatus;
}