NDIS_STATUS
Sta11LoadRegistryInformation(
_In_ NDIS_HANDLE MiniportAdapterHandle,
_In_opt_ NDIS_HANDLE ConfigurationHandle,
_Out_ PVOID* RegistryInformation
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PSTA_REG_INFO staRegInfo = NULL;
*RegistryInformation = NULL;
do
{
//
// Allocate memory for the registry info
//
MP_ALLOCATE_MEMORY(MiniportAdapterHandle, &staRegInfo, sizeof(STA_REG_INFO), EXTSTA_MEMORY_TAG);
if (staRegInfo == NULL)
{
MpTrace(COMP_INIT_PNP, DBG_SERIOUS, ("Failed to allocate %d bytes for STA_REG_INFO\n",
sizeof(STA_REG_INFO)));
ndisStatus = NDIS_STATUS_RESOURCES;
break;
}
NdisZeroMemory(staRegInfo, sizeof(STA_REG_INFO));
//
// read registry values
//
MpReadRegistry((PVOID)staRegInfo, ConfigurationHandle, STARegTable, STA_NUM_REG_PARAMS);
*RegistryInformation = staRegInfo;
} while (FALSE);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
// Free the buffer
Sta11FreeRegistryInformation(staRegInfo);
}
return ndisStatus;
}
VOID
Hw11ReadRegistryConfiguration(
__in PHW Hw,
__in NDIS_HANDLE ConfigurationHandle
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PUCHAR NetworkAddress;
UINT Length;
// TODO: These should be read from the registry
Hw->RegInfo.RTSThreshold = 2347;
Hw->RegInfo.FragmentationThreshold = 2346;
Hw->RegInfo.BeaconPeriod = 100;
Hw->RegInfo.NumRXBuffersUpperLimit = HW11_MAX_RX_MSDUS;
Hw->RegInfo.NumRXBuffersLowerBase = HW11_MIN_RX_MSDUS;
//
// read all the non-hardware specific registry values
//
MpReadRegistry((PVOID)Hw, ConfigurationHandle, HWRegTable, HW_NUM_REG_PARAMS);
//
// Read NetworkAddress registry value. Use it as the current address if any.
//
if (ConfigurationHandle != NULL)
{
NdisReadNetworkAddress(&ndisStatus,
(void **)&NetworkAddress,
&Length,
ConfigurationHandle);
//
// If there is a valid NetworkAddress override in registry,use it
//
if ((ndisStatus == NDIS_STATUS_SUCCESS) && (Length == sizeof(DOT11_MAC_ADDRESS)))
{
// Dont use multicast/broadcast or 00* addresses
if (!ETH_IS_MULTICAST(NetworkAddress) && !ETH_IS_BROADCAST(NetworkAddress))
{
if ((NetworkAddress[0] == 0x00) &&
(NetworkAddress[1] == 0x00) &&
(NetworkAddress[2] == 0x00) &&
(NetworkAddress[3] == 0x00) &&
(NetworkAddress[4] == 0x00) &&
(NetworkAddress[5] == 0x00))
{
// Network addr = 00 00 00 00 00 00
Hw->RegInfo.AddressOverrideEnabled = FALSE;
}
else if ((NetworkAddress[0] & 0x02) != 0x02)
{
// Not a locally administered address
Hw->RegInfo.AddressOverrideEnabled = FALSE;
}
else
{
ETH_COPY_NETWORK_ADDRESS(Hw->RegInfo.OverrideAddress,NetworkAddress);
Hw->RegInfo.AddressOverrideEnabled = TRUE;
}
}
}
ndisStatus = NDIS_STATUS_SUCCESS;
}
}
