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[AFD]

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- Launch a new listen IRP right after the current one completes instead of waiting until the current pending connection is accepted
- Reduces the chance of AFD missing two connection requests that are issued very close together and increases network performance by allowing our connection queue to do its job

svn path=/trunk/; revision=52013
This commit is contained in:
Cameron Gutman 2011-05-30 17:27:53 +00:00
parent 4e0877c6fb
commit e26e8e7106
4 changed files with 25 additions and 57 deletions
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76
reactos/drivers/network/afd/afd/listen.c
View file

@ -178,18 +178,31 @@ static NTSTATUS NTAPI ListenComplete
ListEntry ) );
}
if( FCB->ListenIrp.ConnectionCallInfo ) {
ExFreePool( FCB->ListenIrp.ConnectionCallInfo );
FCB->ListenIrp.ConnectionCallInfo = NULL;
}
/* Launch new accept socket */
Status = WarmSocketForConnection( FCB );
if (NT_SUCCESS(Status))
{
Status = TdiBuildNullConnectionInfoInPlace(FCB->ListenIrp.ConnectionCallInfo,
FCB->LocalAddress->Address[0].AddressType);
ASSERT(Status == STATUS_SUCCESS);
Status = TdiBuildNullConnectionInfoInPlace(FCB->ListenIrp.ConnectionReturnInfo,
FCB->LocalAddress->Address[0].AddressType);
ASSERT(Status == STATUS_SUCCESS);
Status = TdiListen( &FCB->ListenIrp.InFlightRequest,
FCB->Connection.Object,
&FCB->ListenIrp.ConnectionCallInfo,
&FCB->ListenIrp.ConnectionReturnInfo,
&FCB->ListenIrp.Iosb,
ListenComplete,
FCB );
if( FCB->ListenIrp.ConnectionReturnInfo ) {
ExFreePool( FCB->ListenIrp.ConnectionReturnInfo );
FCB->ListenIrp.ConnectionReturnInfo = NULL;
if (Status == STATUS_PENDING)
Status = STATUS_SUCCESS;
}
FCB->NeedsNewListen = TRUE;
/* Trigger a select return if appropriate */
if( !IsListEmpty( &FCB->PendingConnections ) ) {
FCB->PollState |= AFD_EVENT_ACCEPT;
@ -264,9 +277,6 @@ NTSTATUS AfdListenSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
if( Status == STATUS_PENDING )
Status = STATUS_SUCCESS;
if (NT_SUCCESS(Status))
FCB->NeedsNewListen = FALSE;
AFD_DbgPrint(MID_TRACE,("Returning %x\n", Status));
return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );
}
@ -323,48 +333,6 @@ NTSTATUS AfdAccept( PDEVICE_OBJECT DeviceObject, PIRP Irp,
if( !SocketAcquireStateLock( FCB ) ) return LostSocket( Irp );
if( FCB->NeedsNewListen ) {
AFD_DbgPrint(MID_TRACE,("ADDRESSFILE: %x\n", FCB->AddressFile.Handle));
/* Launch new accept socket */
Status = WarmSocketForConnection( FCB );
if( Status == STATUS_SUCCESS ) {
Status = TdiBuildNullConnectionInfo
( &FCB->ListenIrp.ConnectionCallInfo,
FCB->LocalAddress->Address[0].AddressType );
if (!NT_SUCCESS(Status)) return UnlockAndMaybeComplete(FCB, Status, Irp, 0);
Status = TdiBuildNullConnectionInfo
( &FCB->ListenIrp.ConnectionReturnInfo,
FCB->LocalAddress->Address[0].AddressType );
if (!NT_SUCCESS(Status))
{
ExFreePool(FCB->ListenIrp.ConnectionCallInfo);
FCB->ListenIrp.ConnectionCallInfo = NULL;
return UnlockAndMaybeComplete(FCB, Status, Irp, 0);
}
Status = TdiListen( &FCB->ListenIrp.InFlightRequest,
FCB->Connection.Object,
&FCB->ListenIrp.ConnectionCallInfo,
&FCB->ListenIrp.ConnectionReturnInfo,
&FCB->ListenIrp.Iosb,
ListenComplete,
FCB );
if( Status == STATUS_PENDING )
Status = STATUS_SUCCESS;
if( !NT_SUCCESS(Status) )
return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );
FCB->NeedsNewListen = FALSE;
} else return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );
}
for( PendingConn = FCB->PendingConnections.Flink;
PendingConn != &FCB->PendingConnections;
PendingConn = PendingConn->Flink ) {

2
reactos/drivers/network/afd/afd/tdiconn.c
View file

@ -77,7 +77,7 @@ PTRANSPORT_ADDRESS TaCopyTransportAddress( PTRANSPORT_ADDRESS OtherAddress ) {
return A;
}
static NTSTATUS TdiBuildNullConnectionInfoInPlace
NTSTATUS TdiBuildNullConnectionInfoInPlace
( PTDI_CONNECTION_INFORMATION ConnInfo,
ULONG Type )
/*

2
reactos/drivers/network/afd/include/afd.h
View file

@ -179,7 +179,7 @@ typedef struct _AFD_FCB {
PVOID CurrentThread;
PFILE_OBJECT FileObject;
PAFD_DEVICE_EXTENSION DeviceExt;
BOOLEAN DelayedAccept, NeedsNewListen;
BOOLEAN DelayedAccept;
UINT ConnSeq;
PTRANSPORT_ADDRESS LocalAddress, RemoteAddress;
PTDI_CONNECTION_INFORMATION AddressFrom, ConnectInfo;

2
reactos/drivers/network/afd/include/tdiconn.h
View file

@ -19,7 +19,7 @@ NTSTATUS TdiBuildConnectionInfoInPlace
( PTDI_CONNECTION_INFORMATION ConnInfo, PTRANSPORT_ADDRESS Name );
NTSTATUS TdiBuildConnectionInfo
( PTDI_CONNECTION_INFORMATION *ConnectionInfo, PTRANSPORT_ADDRESS Name );
NTSTATUS TdiBuildNullConnectionInfoToPlace
NTSTATUS TdiBuildNullConnectionInfoInPlace
( PTDI_CONNECTION_INFORMATION ConnInfo, ULONG Type );
NTSTATUS TdiBuildNullConnectionInfo
( PTDI_CONNECTION_INFORMATION *ConnectionInfo, ULONG Type );