NTSTATUS TCPStartup(VOID)
/*
* FUNCTION: Initializes the TCP subsystem
* RETURNS:
* Status of operation
*/
{
NTSTATUS Status;
Status = PortsStartup( &TCPPorts, 1, 0xfffe );
if (!NT_SUCCESS(Status))
{
return Status;
}
ExInitializeNPagedLookasideList(&TdiBucketLookasideList,
NULL,
NULL,
0,
sizeof(TDI_BUCKET),
TDI_BUCKET_TAG,
0);
/* Initialize our IP library */
LibIPInitialize();
/* Register this protocol with IP layer */
IPRegisterProtocol(IPPROTO_TCP, TCPReceive);
TCPInitialized = TRUE;
return STATUS_SUCCESS;
}
NTSTATUS TCPShutdown(VOID)
/*
* FUNCTION: Shuts down the TCP subsystem
* RETURNS:
* Status of operation
*/
{
if (!TCPInitialized)
return STATUS_SUCCESS;
ExDeleteNPagedLookasideList(&TdiBucketLookasideList);
LibIPShutdown();
/* Deregister this protocol with IP layer */
IPRegisterProtocol(IPPROTO_TCP, NULL);
TCPInitialized = FALSE;
PortsShutdown( &TCPPorts );
return STATUS_SUCCESS;
}
NTSTATUS ICMPShutdown()
{
IPRegisterProtocol(IPPROTO_ICMP, NULL);
return STATUS_SUCCESS;
}
NTSTATUS ICMPStartup()
{
IPRegisterProtocol(IPPROTO_ICMP, ICMPReceive);
return STATUS_SUCCESS;
}