VOID
HelperPortReceiveBeacon(
__in PMP_HELPER_PORT HelperPort,
__in PMP_RX_MPDU pFragment,
__in ULONG TotalLength
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PUCHAR pPacketBuffer;
PDOT11_BEACON_FRAME pDot11BeaconFrame;
ULONG uOffsetOfInfoElemBlob =
FIELD_OFFSET(DOT11_BEACON_FRAME, InfoElements) + sizeof(DOT11_MGMT_HEADER);
ULONG uInfoElemBlobSize = 0;
pPacketBuffer = MP_RX_MPDU_DATA(pFragment);
do
{
//
// Drop if its doesnt contain atleast the
// fixed size portion (DOT11_BEACON_FRAME)
//
if (uOffsetOfInfoElemBlob > TotalLength)
{
break;
}
// Get/Validate beacon is okay
pDot11BeaconFrame = (PDOT11_BEACON_FRAME)(pPacketBuffer + sizeof(DOT11_MGMT_HEADER));
ndisStatus = HelperPortValidateBeacon(pDot11BeaconFrame);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
// Validate information elements blob
ndisStatus = Dot11GetInfoBlobSize(
pPacketBuffer,
TotalLength,
uOffsetOfInfoElemBlob,
&uInfoElemBlobSize
);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
// Save information from this beacon into our BSS list
ndisStatus = HelperPortSaveBSSInformation(
HelperPort,
pFragment,
pDot11BeaconFrame,
(uInfoElemBlobSize + FIELD_OFFSET(DOT11_BEACON_FRAME, InfoElements)) // Info elements + header
);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
} while (FALSE);
VOID
StaReceiveBeacon(
_In_ PMP_EXTSTA_PORT pStation,
_In_ PMP_RX_MPDU pFragment,
_In_ ULONG TotalLength
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PUCHAR pPacketBuffer;
PDOT11_BEACON_FRAME pDot11BeaconFrame;
ULONG uOffsetOfInfoElemBlob =
FIELD_OFFSET(DOT11_BEACON_FRAME, InfoElements) + sizeof(DOT11_MGMT_HEADER);
ULONG uInfoElemBlobSize = 0;
pPacketBuffer = MP_RX_MPDU_DATA(pFragment);
do
{
//
// Drop if its doesnt contain atleast the
// fixed size portion (DOT11_BEACON_FRAME)
//
if (uOffsetOfInfoElemBlob > TotalLength)
{
break;
}
pDot11BeaconFrame = (PDOT11_BEACON_FRAME)(pPacketBuffer + sizeof(DOT11_MGMT_HEADER));
// Validate information elements blob
ndisStatus = Dot11GetInfoBlobSize(
pPacketBuffer,
TotalLength,
uOffsetOfInfoElemBlob,
&uInfoElemBlobSize
);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
if (pDot11BeaconFrame->Capability.IBSS) {
ndisStatus = StaSaveAdHocStaInfo(
pStation,
pFragment,
pDot11BeaconFrame,
uInfoElemBlobSize
);
}
ndisStatus = StaProcessBeaconForConfigInfo(
pStation,
pFragment,
(PUCHAR)&pDot11BeaconFrame->InfoElements,
TotalLength
);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
} while (FALSE);
}
