UINT CTXVirtQueue::ReleaseTransmitBuffers(CRawCNBList& listDone)
{
UINT len, i = 0;
CTXDescriptor *TXDescriptor;
DEBUG_ENTRY(4);
while(NULL != (TXDescriptor = (CTXDescriptor *) GetBuf(&len)))
{
m_DescriptorsInUse.Remove(TXDescriptor);
if (!TXDescriptor->GetUsedBuffersNum())
{
DPrintf(0, ("[%s] ERROR: nofUsedBuffers not set!\n", __FUNCTION__));
}
m_FreeHWBuffers += TXDescriptor->GetUsedBuffersNum();
listDone.PushBack(TXDescriptor->GetNB());
m_Descriptors.Push(TXDescriptor);
DPrintf(3, ("[%s] Free Tx: desc %d, buff %d\n", __FUNCTION__, m_Descriptors.GetCount(), m_FreeHWBuffers));
++i;
}
if (i)
{
NdisGetCurrentSystemTime(&m_Context->LastTxCompletionTimeStamp);
m_DoKickOnNoBuffer = true;
}
DPrintf((i ? 3 : 5), ("[%s] returning i = %d\n", __FUNCTION__, i));
return i;
}
VOID
RefreshUdpListEntrySafe(
VOID
)
/*++
Routine Description:
Remove stale mapping info from UDP port map list entries.
This function is thread-safe. Do NOT acquire id list
spin lock around this function.
--*/
{
LARGE_INTEGER now;
PLIST_ENTRY p, temp;
NdisAcquireSpinLock(&PortListLock);
if (IsListEmpty(&PortListHead))
{
// List is empty, nothing to be done.
NdisReleaseSpinLock(&PortListLock);
return;
}
NdisGetCurrentSystemTime(&now);
p = PortListHead.Flink;
while (p != &PortListHead)
{
PUDP_MAP_CONTEXT Map = CONTAINING_RECORD(p, UDP_MAP_CONTEXT, ListEntry);
if (IsTimeOut(&now, &(Map->MapSetTime), &UdpTimeOut))
{
// Time out. Release mapping info and reset corresponding hash table entry
DBGPRINT(("==> RefreshUdpListEntrySafe: map %d -> %d time out. Delete.\n",
Map->OriginalPort, Map->MappedPort));
// Protect the loop from break
temp = p;
p = p->Flink;
// Clear hash table pointer
UdpPortMapOutTable[Map->OriginalPort].Map = NULL;
UdpPortMapInTable[Map->MappedPort].Map = NULL;
// Remove entry and clear memory
RemoveEntryList(temp);
PortListLength--;
NdisFreeMemory(Map, 0, 0);
//DBGPRINT(("==> RefreshUdpListEntrySafe: map context memory freed.\n"));
// Go to next entry
}
else
{
// Go to next entry
// Map set time is refreshed when this map is accessed by mapping functions, no need to refresh it here
p = p->Flink;
}
}
NdisReleaseSpinLock(&PortListLock);
}
/*----------------------------------------------------------------------------*/
UINT_64 kalGetNanoTick(VOID)
{
LARGE_INTEGER rSystemTime;
NdisGetCurrentSystemTime(&rSystemTime);
return rSystemTime.QuadPart;
} /* kalGetNanoTick */
BOOLEAN
GetUdpPortMapIn(
IN USHORT mapped,
OUT PUSHORT original,
OUT PBOOLEAN trans
)
/*++
Routine Description:
Get the original UDP port for the incoming UDP packet.
Arguments:
mapped - Mapped UDP destination port in incoming packet
original - Pointer to caller-supplied memory that holds the returned original port, cannot be NULL
trans - Pointer to caller-supplied memory that holds the translate flag for this mapping, cannot be NULL
Return Value:
TRUE if find mapping is successful, original port is returned in 'original' pointer;
FALSE if no valid mapping exists for this mapped port, 'original' and 'trans' is set to 0(FALSE) in this case.
--*/
{
BOOLEAN flag = FALSE;
USHORT OriginalPort = 0;
BOOLEAN Translated = FALSE;
PUDP_MAP_CONTEXT Map = NULL;
NdisAcquireSpinLock(&PortListLock);
// Do NOT call RefreshUdpListEntrySafe() since we have already hold the spin lock.
RefreshUdpListEntry();
if (UdpPortMapInTable[mapped].Map != NULL)
{
Map = UdpPortMapInTable[mapped].Map;
if (Map->MappedPort == mapped) // Found existing mapping info
{
OriginalPort = Map->OriginalPort;
Translated = Map->Translated;
NdisGetCurrentSystemTime(&(Map->MapSetTime)); // refresh timer
DBGPRINT(("==> GetUdpPortMapIn: Find Map %d -> %d, trans flag is %d.\n", Map->OriginalPort, Map->MappedPort, Map->Translated));
flag = TRUE;
}
}
NdisReleaseSpinLock(&PortListLock);
*original = OriginalPort;
*trans = Translated;
return flag;
}
BOOLEAN
HelperPortShouldPerformScan(
_In_ PMP_HELPER_PORT HelperPort,
_In_ PMP_SCAN_PARAMETERS ScanParameters
)
{
ULONGLONG currentSystemTime;
ULONGLONG scanGapSeconds = HelperPort->RegInfo->InterScanTime;
ULONGLONG acceptableScanTime;
if (MP_TEST_PORT_STATUS(HELPPORT_GET_MP_PORT(HelperPort), MP_PORT_CANNOT_SCAN_MASK))
{
// Cannot scan when in this state
return FALSE;
}
if ((ScanParameters->CancelScan) ||
(ScanParameters->State != SCAN_QUEUED_FOR_PROCESSING))
{
// Scan cancelled
return FALSE;
}
if (MP_TEST_FLAG(ScanParameters->PortScanRequest->Dot11ScanRequest->dot11ScanType, dot11_scan_type_forced))
{
// Forced scan. We will do it
return TRUE;
}
if (MP_TEST_FLAG(ScanParameters->PortScanRequest->ScanRequestFlags, MP_SCAN_REQUEST_OS_ISSUED))
{
// OS issued scan, we will do it
return TRUE;
}
// Potentially, we should check if this scan request has a non-zero SSID
//
// To avoid too many scans, lets check if we have scanned recently.
//
NdisGetCurrentSystemTime((PLARGE_INTEGER)¤tSystemTime);
acceptableScanTime = HelperPort->ScanContext.LastScanTime +
scanGapSeconds * 10000000; // Convert seconds to 100nS
if (acceptableScanTime > currentSystemTime)
{
//
// Scanned recently. Dont scan again
//
return FALSE;
}
else
{
return TRUE;
}
}
// the input parameter start use the same unit as returned by rtw_get_current_time
inline s32 rtw_get_passing_time_ms(u32 start)
{
#ifdef PLATFORM_LINUX
return rtw_systime_to_ms(jiffies-start);
#endif
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER SystemTime;
NdisGetCurrentSystemTime(&SystemTime);
return rtw_systime_to_ms((u32)(SystemTime.LowPart) - start) ;
#endif
}
VOID
mp_wi_callback(
IN NDIS_WORK_ITEM* pwk_item,
IN PVOID cntx
)
{
_adapter* padapter =(_adapter *)cntx;
struct mp_priv *pmppriv=&padapter->mppriv;
struct mp_wi_cntx *pmp_wi_cntx=&pmppriv->wi_cntx;
// Execute specified action.
if(pmp_wi_cntx->curractfunc != NULL)
{
LARGE_INTEGER cur_time;
ULONGLONG start_time, end_time;
NdisGetCurrentSystemTime(&cur_time); // driver version
start_time=cur_time.QuadPart/10; // The return value is in microsecond
pmp_wi_cntx->curractfunc(padapter);
NdisGetCurrentSystemTime(&cur_time); // driver version
end_time=cur_time.QuadPart/10; // The return value is in microsecond
DEBUG_INFO(("WorkItemActType: %d, time spent: %I64d us\n",
pmp_wi_cntx->param.act_type, (end_time-start_time)));
}
NdisAcquireSpinLock( &(pmp_wi_cntx->mp_wi_lock) );
pmp_wi_cntx->bmp_wi_progress= _FALSE;
NdisReleaseSpinLock( &(pmp_wi_cntx->mp_wi_lock) );
if(pmp_wi_cntx->bmpdrv_unload)
{
NdisSetEvent(&(pmp_wi_cntx->mp_wi_evt));
}
}
u32 rtw_get_current_time(void)
{
#ifdef PLATFORM_LINUX
return jiffies;
#endif
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER SystemTime;
NdisGetCurrentSystemTime(&SystemTime);
return (u32)(SystemTime.LowPart);// count of 100-nanosecond intervals
#endif
}
u32 rtw_get_current_time(void)
{
#ifdef PLATFORM_LINUX
return jiffies;
#endif
#ifdef PLATFORM_FREEBSD
struct timeval tvp;
getmicrotime(&tvp);
return tvp.tv_sec;
#endif
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER SystemTime;
NdisGetCurrentSystemTime(&SystemTime);
return (u32)(SystemTime.LowPart);// count of 100-nanosecond intervals
#endif
}
static UINT FillDataOnBugCheck()
{
UINT i, n = 0;
NdisGetCurrentSystemTime(&BugCheckData.StaticData.Header.qCrashTime);
for (i = 0; i < MAX_CONTEXTS; ++i)
{
tBugCheckPerNicDataContent *pSave = &BugCheckData.StaticData.PerNicData[i];
PARANDIS_ADAPTER *p = (PARANDIS_ADAPTER *)pSave->Context;
if (!p) continue;
pSave->nofPacketsToComplete = p->NetTxPacketsToReturn;
pSave->nofReadyTxBuffers = p->nofFreeHardwareBuffers;
pSave->LastInterruptTimeStamp.QuadPart = PARADNIS_GET_LAST_INTERRUPT_TIMESTAMP(p);
pSave->LastTxCompletionTimeStamp = p->LastTxCompletionTimeStamp;
ParaNdis_CallOnBugCheck(p);
++n;
}
return n;
}
UINT CTXVirtQueue::ReleaseTransmitBuffers(CRawCNBList& listDone)
{
UINT len, i = 0;
CTXDescriptor *TXDescriptor;
DEBUG_ENTRY(4);
while(NULL != (TXDescriptor = (CTXDescriptor *) GetBuf(&len)))
{
m_DescriptorsInUse.Remove(TXDescriptor);
ReleaseOneBuffer(TXDescriptor, listDone);
++i;
}
if (i)
{
NdisGetCurrentSystemTime(&m_Context->LastTxCompletionTimeStamp);
m_DoKickOnNoBuffer = true;
}
DPrintf((i ? 3 : 5), "[%s] returning i = %d\n", __FUNCTION__, i);
return i;
}
static UINT FillDataOnBugCheck()
{
UINT i, n = 0;
NdisGetCurrentSystemTime(&BugCheckData.StaticData.Header.qCrashTime);
for (i = 0; i < MAX_CONTEXTS; ++i)
{
tBugCheckPerNicDataContent *pSave = &BugCheckData.StaticData.PerNicData[i];
PARANDIS_ADAPTER *p = (PARANDIS_ADAPTER *)(UINT_PTR)pSave->Context;
if (!p) continue;
pSave->nofReadyTxBuffers = 0;
for (UINT j = 0; j < p->nPathBundles; j++)
{
pSave->nofReadyTxBuffers += p->pPathBundles[j].txPath.GetFreeHWBuffers();
}
pSave->LastInterruptTimeStamp.QuadPart = PARADNIS_GET_LAST_INTERRUPT_TIMESTAMP(p);
pSave->LastTxCompletionTimeStamp = p->LastTxCompletionTimeStamp;
ParaNdis_CallOnBugCheck(p);
++n;
}
return n;
}
void ParaNdis_DebugHistory(
PARANDIS_ADAPTER *pContext,
eHistoryLogOperation op,
PVOID pParam1,
ULONG lParam2,
ULONG lParam3,
ULONG lParam4)
{
tBugCheckHistoryDataEntry *phe;
ULONG index = InterlockedIncrement(&BugCheckData.StaticData.Data.CurrentHistoryIndex);
index = (index - 1) % MAX_HISTORY;
phe = &BugCheckData.StaticData.History[index];
phe->Context = (UINT_PTR)pContext;
phe->operation = op;
phe->pParam1 = (UINT_PTR)pParam1;
phe->lParam2 = lParam2;
phe->lParam3 = lParam3;
phe->lParam4 = lParam4;
#if (PARANDIS_DEBUG_HISTORY_DATA_VERSION == 1)
phe->uIRQL = KeGetCurrentIrql();
phe->uProcessor = KeGetCurrentProcessorNumber();
#endif
NdisGetCurrentSystemTime(&phe->TimeStamp);
}
VOID
StaReceiveAssociationResponse(
__in PSTATION pStation,
__in PNIC_RX_FRAGMENT pNicFragment,
__in ULONG TotalLength
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PUCHAR pPacketBuffer;
PDOT11_MGMT_HEADER pMgmtHeader;
PDOT11_ASSOC_RESPONSE_FRAME pDot11AssocFrame;
USHORT StatusCode;
USHORT AID = 0;
PSTA_BSS_ENTRY pAPEntry = pStation->ConnectContext.ActiveAP;
BOOLEAN bTimerCancelled, bSetTxDataRate = FALSE;
DOT11_RATE_SET rateSet;
pPacketBuffer = Hw11GetFragmentDataStart(pNicFragment);
//
// Ref to make sure reset/halt does not leave while we are still working
//
STA_INCREMENT_REF(pStation->ConnectContext.AsyncFuncCount);
NdisDprAcquireSpinLock(&(pStation->ConnectContext.Lock));
if (pStation->ConnectContext.AssociateState == ASSOC_STATE_WAITING_FOR_ASSOCIATE) {
if (pStation->ConnectContext.ConnectState < CONN_STATE_READY_TO_CONNECT) {
MpTrace(COMP_ASSOC, DBG_LOUD, ("Reset/Disconnect before association completed\n"));
//
// Reset/disconnect, etc. We dont process this associate packet. Eventually, timeout
// will happen and cleanup
//
NdisDprReleaseSpinLock(&(pStation->ConnectContext.Lock));
STA_DECREMENT_REF(pStation->ConnectContext.AsyncFuncCount);
return;
}
do {
if (TotalLength < (sizeof(DOT11_MGMT_HEADER) + sizeof(DOT11_ASSOC_RESPONSE_FRAME))) {
ndisStatus = NDIS_STATUS_NOT_ACCEPTED;
MpTrace(COMP_ASSOC, DBG_LOUD, ("Association response packet too short\n"));
break;
}
pMgmtHeader = (PDOT11_MGMT_HEADER)pPacketBuffer;
//
// Check that is a packet from the AP we are interested in
//
if (!MP_COMPARE_MAC_ADDRESS(pMgmtHeader->SA, pAPEntry->MacAddress) ||
!MP_COMPARE_MAC_ADDRESS(pMgmtHeader->BSSID, pAPEntry->Dot11BSSID) ||
!MP_COMPARE_MAC_ADDRESS(pMgmtHeader->DA, Hw11GetMACAddress(pStation->pNic))) {
ndisStatus = NDIS_STATUS_NOT_ACCEPTED;
MpTrace(COMP_ASSOC, DBG_LOUD, ("Association response packet not for me\n"));
break;
}
} while (FALSE);
if (ndisStatus != NDIS_STATUS_NOT_ACCEPTED) {
//
// This was a valid response to our association request
// Complete the association with appropriate status
//
pDot11AssocFrame = (PDOT11_ASSOC_RESPONSE_FRAME)(pPacketBuffer + sizeof(DOT11_MGMT_HEADER));
//
// Get association status code from the packet
//
StatusCode = pDot11AssocFrame->usStatusCode;
if (StatusCode == DOT11_FRAME_STATUS_SUCCESSFUL) {
//
// Association attempt succeeded
//
ndisStatus = NDIS_STATUS_SUCCESS;
MpTrace(COMP_ASSOC, DBG_NORMAL, ("Association response status SUCCESS\n"));
//
// Validate AID
//
AID = pDot11AssocFrame->usAID;
if ((AID & 0xc000) != 0xc000)
{
// Invalid AID.
pStation->Config.ValidAID = FALSE;
// Connecting to a non-conformant AP. Continue with association instead of bailing out.
MpTrace(COMP_ASSOC, DBG_SERIOUS, ("Association response contains invalid AID %d\n", AID));
}
else
{
pStation->Config.ValidAID = TRUE;
}
AID &= ~(0xc000);
if (AID > 2007) {
// AID too big
ndisStatus = NDIS_STATUS_FAILURE;
MpTrace(COMP_ASSOC, DBG_SERIOUS, ("Association response contains invalid AID %d\n", AID));
}
if (ndisStatus == NDIS_STATUS_SUCCESS) {
//
// Get data rate
//
ndisStatus = StaGetRateSetFromInfoEle(
Add2Ptr(pDot11AssocFrame, sizeof(DOT11_ASSOC_RESPONSE_FRAME)),
TotalLength - sizeof(DOT11_MGMT_HEADER) - sizeof(DOT11_ASSOC_RESPONSE_FRAME),
FALSE,
&rateSet);
}
if (ndisStatus == NDIS_STATUS_SUCCESS) {
// Association has succeeded
MpTrace(COMP_ASSOC, DBG_NORMAL, ("Association ID %d\n", AID));
pStation->ConnectContext.AssociateState = ASSOC_STATE_RECEIVED_ASSOCIATE;
pStation->Config.AID = AID;
//
// Clear non-static WEP keys.
//
Hw11DeleteNonPersistentKey(pStation->pNic);
bSetTxDataRate = TRUE;
//
// Set active PhyId
//
pStation->Config.ActivePhyId = pAPEntry->PhyId;
//
// Set multicast cipher algorithm if the exact algorithm was not selected.
//
if (pStation->Config.MulticastCipherAlgorithmCount > 1) {
Hw11SetEncryption(pStation->pNic, FALSE, pStation->Config.MulticastCipherAlgorithm);
}
}
else {
pStation->ConnectContext.AssociateState = ASSOC_STATE_STARTED_ASSOCIATION;
StatusCode = DOT11_FRAME_STATUS_FAILURE; // Unspecified failure
}
}
else {
// The association attempt failed
MpTrace(COMP_ASSOC, DBG_SERIOUS, ("Association failed by the access point with status %d\n", StatusCode));
pStation->ConnectContext.AssociateState = ASSOC_STATE_STARTED_ASSOCIATION;
}
//
// Copy the association response buffer into the AP Entry for completion indication
//
NdisDprAcquireSpinLock(&(pAPEntry->Lock));
pAPEntry->AssocResponseLength = (USHORT)TotalLength;
MP_ALLOCATE_MEMORY(pStation->MiniportAdapterHandle, &(pAPEntry->pAssocResponse), TotalLength, STA11_MEMORY_TAG);
if (pAPEntry->pAssocResponse == NULL) {
MpTrace(COMP_ASSOC, DBG_SERIOUS, ("Unable to save association request packet\n"));
//
// We still maintain the association
//
pAPEntry->AssocResponseLength = 0;
}
else
{
//
// Copy the association response into the packet
//
NdisMoveMemory(pAPEntry->pAssocResponse, pPacketBuffer, TotalLength);
}
// Save association ID, time, etc
pAPEntry->AssocID = AID;
NdisGetCurrentSystemTime(&(pAPEntry->AssociationUpTime));
pAPEntry->AssocState = dot11_assoc_state_auth_assoc;
NdisDprReleaseSpinLock(&(pAPEntry->Lock));
NdisDprReleaseSpinLock(&(pStation->ConnectContext.Lock));
if (bSetTxDataRate == TRUE)
{
//
// Set data TX rate
//
Hw11SetTXDataRate(pStation->pNic,
&rateSet,
Hw11GetCalibratedRSSI(pStation->pNic, pNicFragment)
);
}
//
// Attempt to cancel the timer
//
/*NdisMCancelTimer(&(pStation->ConnectContext.Timer_AssociateTimeout), &bTimerCancelled); */
bTimerCancelled = WdfTimerStop(pStation->ConnectContext.Timer_AssociateTimeout, FALSE);
if (bTimerCancelled) {
STA_DECREMENT_REF(pStation->ConnectContext.AsyncFuncCount);
}
if (StatusCode) {
StaAssociateComplete(pStation, StatusCode | DOT11_ASSOC_STATUS_ASSOCIATION_RESPONSE_START);
}
else {
StaAssociateComplete(pStation, DOT11_ASSOC_STATUS_SUCCESS);
}
}
else {
NdisDprReleaseSpinLock(&(pStation->ConnectContext.Lock));
}
}
else {
NdisDprReleaseSpinLock(&(pStation->ConnectContext.Lock));
MpTrace(COMP_ASSOC, DBG_LOUD, ("Association already timed out\n"));
}
STA_DECREMENT_REF(pStation->ConnectContext.AsyncFuncCount);
}
BOOLEAN
GetUdpPortMapOut(
IN USHORT original,
IN BOOLEAN trans,
OUT PUSHORT mapped
)
/*++
Routine Description:
Get the mapped id for the outflow UDP packet.
Arguments:
original - Original UDP source port in outflow packet.
trans - TRUE for 4to6 mapping; FLASE for 6to6 mapping.
mapped - Pointer to caller-supplied memory that holds the returned mapping port.
Return Value:
TRUE if find mapping is successful, mapped port is returned in 'mapped' pointer;
FALSE if failed to find or create a mapping info, 'mapped' is set to 0 in this case.
--*/
{
USHORT ret = 0;
SHORT remaining;
LONG MaxPorts = 65536 / LocalPrefixInfo.Ratio; // Total port number is determined by ratio
USHORT rover_j;
USHORT rover_k;
USHORT low; // lower bound of j
USHORT high; // higher bound of j
PUDP_MAP_CONTEXT Map = NULL;
NDIS_STATUS Status;
NdisAcquireSpinLock(&PortListLock);
// Do NOT call RefreshUdpListEntrySafe() since we have already hold the spin lock.
RefreshUdpListEntry();
if (UdpPortMapOutTable[original].Map != NULL)
{
Map = UdpPortMapOutTable[original].Map;
if (Map->OriginalPort == original && Map->Translated == trans) // Found existing mapping info
{
ret = Map->MappedPort;
NdisGetCurrentSystemTime(&(Map->MapSetTime)); // refresh timer
DBGPRINT(("==> GetUdpPortMapOut: Find Map %d -> %d\n", Map->OriginalPort, Map->MappedPort));
}
}
if (ret == 0) // no existing map, generate new map
{
if (PortListLength >= MaxPorts)
{
NdisReleaseSpinLock(&PortListLock);
DBGPRINT(("==> GetUdpPortMapOut: list full. Map id is used up.\n"));
*mapped = 0;
return FALSE;
}
if (LocalPrefixInfo.XlateMode == 1) // 1:N id mapping
{
low = (USHORT)(1024 / LocalPrefixInfo.Ratio / LocalPrefixInfo.Adjacent) + 1;
high = (USHORT)(65536 / LocalPrefixInfo.Ratio / LocalPrefixInfo.Adjacent) - 1;
remaining = (high - low) + 1;
if (PortListLength != 0)
{
rover_j = (USHORT)(LastAllocatedUdpPort / LocalPrefixInfo.Ratio / LocalPrefixInfo.Adjacent);
rover_k = (USHORT)(LastAllocatedUdpPort % LocalPrefixInfo.Adjacent) + 1;
if (rover_k == LocalPrefixInfo.Adjacent)
{
rover_j++;
rover_k = 0;
}
}
else
{
// No port allocated before
rover_j = low;
rover_k = 0;
}
do
{
ret = (rover_j * LocalPrefixInfo.Ratio + LocalPrefixInfo.Offset) * LocalPrefixInfo.Adjacent + rover_k;
if (UdpPortMapInTable[ret].Map == NULL)
{
// find idle ivi port
break;
}
rover_k++;
if (rover_k == LocalPrefixInfo.Adjacent)
{
rover_j++;
remaining--;
rover_k = 0;
if (rover_j > high)
{
rover_j = low;
}
}
}
while (remaining > 0);
if (remaining <= 0)
{
NdisReleaseSpinLock(&PortListLock);
*mapped = 0;
return FALSE;
}
}
else
{
// 1:1 id mapping
ret = original;
}
// Allocate map info memory
Status = NdisAllocateMemoryWithTag((PVOID)&Map, sizeof(UDP_MAP_CONTEXT), TAG);
if (Status != NDIS_STATUS_SUCCESS)
{
NdisReleaseSpinLock(&PortListLock);
// No memory for map info. Fail this map.
DBGPRINT(("==> GetUdpPortMapOut: NdisAllocateMemoryWithTag failed for port %d\n", original));
*mapped = 0;
return FALSE;
}
NdisZeroMemory(Map, sizeof(UDP_MAP_CONTEXT));
// Routine to add new map-info
Map->OriginalPort = original;
Map->MappedPort = ret;
Map->Translated = trans;
NdisGetCurrentSystemTime(&(Map->MapSetTime)); // set timer for newly added mapping
// Set hash table pointer
UdpPortMapOutTable[Map->OriginalPort].Map = Map;
UdpPortMapInTable[Map->MappedPort].Map = Map;
// Linked list need not be sorted. Just insert new entry at tail.
InsertTailList(&PortListHead, &(Map->ListEntry));
PortListLength++;
LastAllocatedUdpPort = ret;
DBGPRINT(("==> GetUdpPortMapOut: New map %d -> %d added, xlate=%d.\n",
Map->OriginalPort, Map->MappedPort, Map->Translated));
}
NdisReleaseSpinLock(&PortListLock);
*mapped = ret;
return TRUE;
}
NDIS_STATUS
HelperPortInsertBSSEntry(
__in PMP_HELPER_PORT HelperPort,
__in PMP_RX_MPDU pFragment,
__in PDOT11_BEACON_FRAME pDot11BeaconFrame,
__in ULONG BeaconDataLength
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
ULONGLONG ullHostTimeStamp;
MP_RW_LOCK_STATE LockState;
PMP_BSS_ENTRY pBSSEntry = NULL;
PDOT11_MGMT_HEADER pMgmtPktHeader;
BOOLEAN bNewAp = FALSE;
PMP_BSS_LIST pDiscoveredBSSList = &(HelperPort->BSSList);
pMgmtPktHeader = (PDOT11_MGMT_HEADER)MP_RX_MPDU_DATA(pFragment);
NdisGetCurrentSystemTime((PLARGE_INTEGER)&ullHostTimeStamp);
//
// We acquire the write lock as we are adding entries to the list
//
MP_ACQUIRE_WRITE_LOCK(&(HelperPort->BSSList.ListLock), &LockState);
do
{
//
// Check again if this entry already exists in the list. This is to handle
// if the AP was added since we first checked (possible if the
// flush routine was running)
//
pBSSEntry = HelperPortFindBSSEntry(
pDiscoveredBSSList,
pMgmtPktHeader->SA
);
if (pBSSEntry == NULL)
{
bNewAp = TRUE; // New AP
//
// We havent found this AP yet, we would add it to the list
//
if (pDiscoveredBSSList->NumOfBSSEntries >= pDiscoveredBSSList->MaxNumOfBSSEntries)
{
//
// We need to replace an entry thats in the list
//
pBSSEntry = HelperPortExpireBSSEntry(
pDiscoveredBSSList,
HelperPort->RegInfo->BSSEntryExpireTime,
ullHostTimeStamp
);
if (pBSSEntry != NULL)
{
//
// Add initial in-use refcount
//
pBSSEntry->RefCount = 1;
}
//
// Dont zero out the AP entry so that we can
// reuse the info element blob
//
}
else
{
//
// Create a new entry for this AP
//
MP_ALLOCATE_MEMORY(HELPPORT_GET_MP_PORT(HelperPort)->MiniportAdapterHandle,
&pBSSEntry,
sizeof(MP_BSS_ENTRY),
PORT_MEMORY_TAG
);
if (pBSSEntry != NULL)
{
//
// Initialize the new entry
//
NdisZeroMemory(pBSSEntry, sizeof(MP_BSS_ENTRY));
pBSSEntry->RefCount = 1; // Add initial in-use refcount
NdisAllocateSpinLock(&(pBSSEntry->Lock));
}
}
if (pBSSEntry == NULL)
{
MpTrace(COMP_SCAN, DBG_SERIOUS, ("Not enough space to add AP: %02X-%02X-%02X-%02X-%02X-%02X\n",
pMgmtPktHeader->SA[0], pMgmtPktHeader->SA[1], pMgmtPktHeader->SA[2],
pMgmtPktHeader->SA[3], pMgmtPktHeader->SA[4], pMgmtPktHeader->SA[5]));
ndisStatus = NDIS_STATUS_RESOURCES;
break;
}
//
// This Entry is not yet in the list
//
// We will be updating the beacon & probe response frames
pBSSEntry->BeaconFrameSize = 0;
pBSSEntry->ProbeFrameSize = 0;
pBSSEntry->AssocCost = 0;
NdisMoveMemory(
pBSSEntry->Dot11BSSID,
pMgmtPktHeader->BSSID,
sizeof(DOT11_MAC_ADDRESS)
);
NdisMoveMemory(
pBSSEntry->MacAddress,
pMgmtPktHeader->SA,
sizeof(DOT11_MAC_ADDRESS)
);
}
// Update the information in this BSS entry (either new or reused entry)
ndisStatus = HelperPortUpdateBSSEntry(
HelperPort,
pBSSEntry,
pFragment,
pDot11BeaconFrame,
BeaconDataLength
);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Add the new BSS to our list
//
if (bNewAp)
{
MpTrace(COMP_SCAN, DBG_LOUD, ("AP %02X-%02X-%02X-%02X-%02X-%02X at channel: %d (%d)\n",
pBSSEntry->Dot11BSSID[0], pBSSEntry->Dot11BSSID[1], pBSSEntry->Dot11BSSID[2],
pBSSEntry->Dot11BSSID[3], pBSSEntry->Dot11BSSID[4], pBSSEntry->Dot11BSSID[5],
pBSSEntry->Channel, pFragment->Msdu->Channel));
HelperPortAddBSSEntry(pDiscoveredBSSList, pBSSEntry);
}
//
// Note: If any code is added below here, remember to remove entry
// from the list
//
} while (FALSE);
MP_RELEASE_WRITE_LOCK(&(HelperPort->BSSList.ListLock), &LockState);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
// Free the new entry we may have created
if ((bNewAp) && (pBSSEntry != NULL))
{
if (pBSSEntry->pDot11BeaconFrame != NULL)
{
MP_FREE_MEMORY(pBSSEntry->pDot11BeaconFrame);
pBSSEntry->pDot11BeaconFrame = NULL;
pBSSEntry->BeaconFrameSize = 0;
pBSSEntry->MaxBeaconFrameSize= 0;
}
if (pBSSEntry->pDot11ProbeFrame != NULL)
{
MP_FREE_MEMORY(pBSSEntry->pDot11ProbeFrame);
pBSSEntry->pDot11ProbeFrame = NULL;
pBSSEntry->ProbeFrameSize = 0;
pBSSEntry->MaxProbeFrameSize= 0;
}
pBSSEntry->pDot11InfoElemBlob = NULL;
pBSSEntry->InfoElemBlobSize = 0;
MP_FREE_MEMORY(pBSSEntry);
}
}
return ndisStatus;
u8 set_802_11_ssid(_adapter *padapter, NDIS_802_11_SSID *ssid)
{
_irqL irqL;
u8 status = _TRUE;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork = &pmlmepriv->cur_network;
_queue *queue = &pmlmepriv->scanned_queue;
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER sys_time;
u32 diff_time, cur_time;
#endif
_func_enter_;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_notice_,
("+set_802_11_ssid: ssid=[%s] fw_state=0x%08x\n",
ssid->Ssid, get_fwstate(pmlmepriv)));
if (padapter->hw_init_completed == _FALSE) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("set_ssid: hw_init_completed==_FALSE=>exit!!!\n"));
return _FALSE;
}
_enter_critical(&pmlmepriv->lock, &irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("Set SSID is not allowed under surveying || adhoc master || under linking\n"));
status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
goto _Abort_Set_SSID;
}
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == _TRUE)
{
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("set_ssid: _FW_LINKED||WIFI_ADHOC_MASTER_STATE\n"));
if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
(_memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, ssid->SsidLength) == _TRUE))
{
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _FALSE))
{
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("Set SSID is the same ssid, fw_state=0x%08x\n",
get_fwstate(pmlmepriv)));
if (is_same_ibss(padapter, pnetwork) == _FALSE)
{
//if in WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE, create bss or rejoin again
disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
indicate_disconnect(padapter);
free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
else
{
goto _Abort_Set_SSID;//it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again.
}
}
}
else
{
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("Set SSID not the same ssid\n"));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_ssid=[%s] len=0x%x\n", ssid->Ssid, (unsigned int)ssid->SsidLength));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("assoc_ssid=[%s] len=0x%x\n", pmlmepriv->assoc_ssid.Ssid, (unsigned int)pmlmepriv->assoc_ssid.SsidLength));
disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
indicate_disconnect(padapter);
free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
#ifdef PLATFORM_WINDOWS
if (padapter->securitypriv.btkip_countermeasure == _TRUE)
{
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid:padapter->securitypriv.btkip_countermeasure==_TRUE\n"));
NdisGetCurrentSystemTime(&sys_time);
cur_time=(u32)(sys_time.QuadPart/10); // In micro-second.
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid:cur_time=0x%x\n",cur_time));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid:psecuritypriv->last_mic_err_time=0x%x\n",padapter->securitypriv.btkip_countermeasure_time));
diff_time = cur_time -padapter->securitypriv.btkip_countermeasure_time; // In micro-second.
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid:diff_time=0x%x\n",diff_time));
if (diff_time > 60000000) {
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid(): countermeasure time >60s.\n"));
padapter->securitypriv.btkip_countermeasure = _FALSE;
// Update MIC error time.
padapter->securitypriv.btkip_countermeasure_time = 0;
} else {
// can't join in 60 seconds.
status = _FALSE;
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_802_11_ssid(): countermeasure time <60s.\n"));
goto _Abort_Set_SSID;
}
}
#endif
#ifdef PLATFORM_LINUX
if (padapter->securitypriv.btkip_countermeasure == _TRUE) {
status = _FALSE;
goto _Abort_Set_SSID;
}
#endif
if (validate_ssid(ssid) == _FALSE) {
status = _FALSE;
goto _Abort_Set_SSID;
}
_memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(NDIS_802_11_SSID));
pmlmepriv->assoc_by_bssid = _FALSE;
status = do_join(padapter);
goto done;
_Abort_Set_SSID:
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("-set_802_11_ssid: _Abort_Set_SSID: status=%d\n", status));
done:
_exit_critical(&pmlmepriv->lock, &irqL);
_func_exit_;
return status;
}
u8 rtw_set_802_11_ssid(_adapter* padapter, NDIS_802_11_SSID *ssid)
{
_irqL irqL;
u8 status = _SUCCESS;
u32 cur_time = 0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork = &pmlmepriv->cur_network;
_func_enter_;
DBG_871X_LEVEL(_drv_always_, "set ssid [%s] fw_state=0x%08x\n",
ssid->Ssid, get_fwstate(pmlmepriv));
if(padapter->hw_init_completed==_FALSE){
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("set_ssid: hw_init_completed==_FALSE=>exit!!!\n"));
status = _FAIL;
goto exit;
}
_enter_critical_bh(&pmlmepriv->lock, &irqL);
DBG_871X("Set SSID under fw_state=0x%08x\n", get_fwstate(pmlmepriv));
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) {
goto handle_tkip_countermeasure;
} else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == _TRUE) {
goto release_mlme_lock;
}
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == _TRUE)
{
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("set_ssid: _FW_LINKED||WIFI_ADHOC_MASTER_STATE\n"));
if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
(_rtw_memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, ssid->SsidLength) == _TRUE))
{
if((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _FALSE))
{
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("Set SSID is the same ssid, fw_state=0x%08x\n",
get_fwstate(pmlmepriv)));
if(rtw_is_same_ibss(padapter, pnetwork) == _FALSE)
{
//if in WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE, create bss or rejoin again
rtw_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
rtw_indicate_disconnect(padapter);
rtw_free_assoc_resources(padapter, 1);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
else
{
goto release_mlme_lock;//it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again.
}
}
#ifdef CONFIG_LPS
else {
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_JOINBSS, 1);
}
#endif
}
else
{
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("Set SSID not the same ssid\n"));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("set_ssid=[%s] len=0x%x\n", ssid->Ssid, (unsigned int)ssid->SsidLength));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("assoc_ssid=[%s] len=0x%x\n", pmlmepriv->assoc_ssid.Ssid, (unsigned int)pmlmepriv->assoc_ssid.SsidLength));
rtw_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE)
rtw_indicate_disconnect(padapter);
rtw_free_assoc_resources(padapter, 1);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
handle_tkip_countermeasure:
#ifdef PLATFORM_WINDOWS
if (padapter->securitypriv.btkip_countermeasure==_TRUE)
{
LARGE_INTEGER sys_time;
u32 diff_time,cur_time ;
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid:padapter->securitypriv.btkip_countermeasure==_TRUE\n"));
NdisGetCurrentSystemTime(&sys_time);
cur_time=(u32)(sys_time.QuadPart/10); // In micro-second.
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid:cur_time=0x%x\n",cur_time));
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid:psecuritypriv->last_mic_err_time=0x%x\n",padapter->securitypriv.btkip_countermeasure_time));
diff_time = cur_time -padapter->securitypriv.btkip_countermeasure_time; // In micro-second.
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid:diff_time=0x%x\n",diff_time));
if (diff_time > 60000000) {
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid(): countermeasure time >60s.\n"));
padapter->securitypriv.btkip_countermeasure=_FALSE;
// Update MIC error time.
padapter->securitypriv.btkip_countermeasure_time=0;
} else {
// can't join in 60 seconds.
status = _FAIL;
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_set_802_11_ssid(): countermeasure time <60s.\n"));
goto release_mlme_lock;
}
}
#endif
#ifdef PLATFORM_LINUX
if (padapter->securitypriv.btkip_countermeasure == _TRUE) {
cur_time = rtw_get_current_time();
if( (cur_time - padapter->securitypriv.btkip_countermeasure_time) > 60 * HZ )
{
padapter->securitypriv.btkip_countermeasure = _FALSE;
padapter->securitypriv.btkip_countermeasure_time = 0;
}
else
{
status = _FAIL;
goto release_mlme_lock;
}
}
#endif
#ifdef CONFIG_VALIDATE_SSID
if (rtw_validate_ssid(ssid) == _FALSE) {
status = _FAIL;
goto release_mlme_lock;
}
#endif
_rtw_memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(NDIS_802_11_SSID));
pmlmepriv->assoc_by_bssid=_FALSE;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE) {
pmlmepriv->to_join = _TRUE;
}
else {
status = rtw_do_join(padapter);
}
release_mlme_lock:
_exit_critical_bh(&pmlmepriv->lock, &irqL);
exit:
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("-rtw_set_802_11_ssid: status=%d\n", status));
_func_exit_;
return status;
}
// BSS list lock acquired & called at Dispatch
NDIS_STATUS
HelperPortUpdateBSSEntry(
__in PMP_HELPER_PORT HelperPort,
__in PMP_BSS_ENTRY pBSSEntry,
__in PMP_RX_MPDU pFragment,
__in PDOT11_BEACON_FRAME pDot11BeaconPRFrame,
__in ULONG BeaconPRDataLength
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PDOT11_MGMT_HEADER pMgmtPktHeader;
ULONGLONG ullHostTimeStamp;
PVOID pSavedBeaconPRBuffer = NULL;
ULONG uOffsetOfInfoElemBlob = FIELD_OFFSET(DOT11_BEACON_FRAME, InfoElements);
UCHAR channel;
DOT11_PHY_TYPE PhyType;
pMgmtPktHeader = (PDOT11_MGMT_HEADER)MP_RX_MPDU_DATA(pFragment);
NdisGetCurrentSystemTime((PLARGE_INTEGER)&ullHostTimeStamp);
do
{
//
// Modifying data in the AP entry
//
NdisDprAcquireSpinLock(&(pBSSEntry->Lock));
if (pDot11BeaconPRFrame->Capability.IBSS)
{
pBSSEntry->Dot11BSSType = dot11_BSS_type_independent;
}
else
{
pBSSEntry->Dot11BSSType = dot11_BSS_type_infrastructure;
}
//
// Adhoc station can leave adhoc cell and create a new cell. SoftAPs
// can move. This means the BSSID can change
//
NdisMoveMemory(
pBSSEntry->Dot11BSSID,
pMgmtPktHeader->BSSID,
sizeof(DOT11_MAC_ADDRESS)
);
pBSSEntry->HostTimestamp = ullHostTimeStamp;
pBSSEntry->BeaconTimestamp = pDot11BeaconPRFrame->Timestamp;
pBSSEntry->BeaconInterval = pDot11BeaconPRFrame->BeaconInterval;
pBSSEntry->Dot11Capability = pDot11BeaconPRFrame->Capability;
pBSSEntry->RSSI = pFragment->Msdu->RecvContext.lRSSI;
pBSSEntry->LinkQuality = pFragment->Msdu->LinkQuality;
pBSSEntry->ChannelCenterFrequency
= pFragment->Msdu->RecvContext.uChCenterFrequency;
//
// If signal strength was below our threshold, catch that
//
if (pBSSEntry->LinkQuality < HelperPort->RegInfo->RSSILinkQualityThreshold)
{
pBSSEntry->LowQualityCount++;
}
else
{
pBSSEntry->LowQualityCount = 0;
}
#if 0
if (pBSSEntry->AssocState == dot11_assoc_state_auth_assoc)
{
MpTrace(COMP_ASSOC, DBG_LOUD, ("Received beacon from associated AP: %02X-%02X-%02X-%02X-%02X-%02X\n",
pMgmtPktHeader->SA[0], pMgmtPktHeader->SA[1], pMgmtPktHeader->SA[2],
pMgmtPktHeader->SA[3], pMgmtPktHeader->SA[4], pMgmtPktHeader->SA[5]));
}
#endif
//
// Get channel number at which the frame was received.
//
if (Dot11GetChannelForDSPhy(Add2Ptr(pDot11BeaconPRFrame, uOffsetOfInfoElemBlob),
BeaconPRDataLength - uOffsetOfInfoElemBlob,
&channel) != NDIS_STATUS_SUCCESS)
{
channel = pFragment->Msdu->Channel;
}
if (channel != 0)
{
pBSSEntry->Channel = channel;
}
//
// Get PhyType and PhyId
//
PhyType = VNic11DeterminePHYType(HELPPORT_GET_VNIC(HelperPort),
pBSSEntry->Dot11Capability,
pBSSEntry->Channel);
if (pBSSEntry->Dot11PhyType != PhyType)
{
pBSSEntry->Dot11PhyType = PhyType;
pBSSEntry->PhyId = BasePortGetPhyIdFromType(HELPPORT_GET_MP_PORT(HelperPort), PhyType);
}
if (pMgmtPktHeader->FrameControl.Subtype == DOT11_MGMT_SUBTYPE_BEACON)
{
//
// Increase the beacon frame size if necessary
//
if (pBSSEntry->MaxBeaconFrameSize < BeaconPRDataLength)
{
MP_ALLOCATE_MEMORY(HELPPORT_GET_MP_PORT(HelperPort)->MiniportAdapterHandle,
&pSavedBeaconPRBuffer,
BeaconPRDataLength,
PORT_MEMORY_TAG
);
if (pSavedBeaconPRBuffer == NULL)
{
//
// Unable to allocate memory for information elements.
// If this is a new AP entry, we wont be adding it to the list.
// For existing entries, we end up ignoring the new IE blob
//
ndisStatus = NDIS_STATUS_RESOURCES;
NdisDprReleaseSpinLock(&(pBSSEntry->Lock));
break;
}
//
// Delete any old blob buffer
//
if (pBSSEntry->pDot11BeaconFrame != NULL)
{
MP_FREE_MEMORY(pBSSEntry->pDot11BeaconFrame);
}
pBSSEntry->pDot11BeaconFrame = pSavedBeaconPRBuffer;
pBSSEntry->MaxBeaconFrameSize = BeaconPRDataLength;
}
// Update the beacon
pBSSEntry->BeaconFrameSize = BeaconPRDataLength;
// Also save this as the IE blob pointer
pBSSEntry->InfoElemBlobSize = BeaconPRDataLength - uOffsetOfInfoElemBlob;
pBSSEntry->pDot11InfoElemBlob = (PUCHAR)pBSSEntry->pDot11BeaconFrame + uOffsetOfInfoElemBlob;
//
// Update/Save the beacon information element block
//
NdisMoveMemory(
pBSSEntry->pDot11BeaconFrame,
pDot11BeaconPRFrame,
BeaconPRDataLength
);
}
if (pMgmtPktHeader->FrameControl.Subtype == DOT11_MGMT_SUBTYPE_PROBE_RESPONSE)
{
//
// Increase the probe response frame size if necessary
//
if (pBSSEntry->MaxProbeFrameSize < BeaconPRDataLength)
{
MP_ALLOCATE_MEMORY(HELPPORT_GET_MP_PORT(HelperPort)->MiniportAdapterHandle,
&pSavedBeaconPRBuffer,
BeaconPRDataLength,
PORT_MEMORY_TAG
);
if (pSavedBeaconPRBuffer == NULL)
{
//
// Unable to allocate memory for information elements.
// If this is a new AP entry, we wont be adding it to the list.
// For existing entries, we end up ignoring the new IE blob
//
ndisStatus = NDIS_STATUS_RESOURCES;
NdisDprReleaseSpinLock(&(pBSSEntry->Lock));
break;
}
//
// Delete any old blob buffer
//
if (pBSSEntry->pDot11ProbeFrame != NULL)
{
MP_FREE_MEMORY(pBSSEntry->pDot11ProbeFrame);
}
pBSSEntry->pDot11ProbeFrame = pSavedBeaconPRBuffer;
pBSSEntry->MaxProbeFrameSize = BeaconPRDataLength;
}
pBSSEntry->ProbeFrameSize = BeaconPRDataLength;
// Also save this as the IE blob pointer
pBSSEntry->InfoElemBlobSize = BeaconPRDataLength - uOffsetOfInfoElemBlob;
pBSSEntry->pDot11InfoElemBlob = (PUCHAR)pBSSEntry->pDot11ProbeFrame + uOffsetOfInfoElemBlob;
//
// Update/Save the beacon information element block
//
NdisMoveMemory(
pBSSEntry->pDot11ProbeFrame,
pDot11BeaconPRFrame,
BeaconPRDataLength
);
}
#if 0
if (pBSSEntry->AssocState == dot11_assoc_state_auth_assoc)
{
MpTrace(COMP_SCAN, DBG_LOUD, ("Received %d for AP %02X-%02X-%02X-%02X-%02X-%02X \n",
pMgmtPktHeader->FrameControl.Subtype,
pBSSEntry->Dot11BSSID[0], pBSSEntry->Dot11BSSID[1], pBSSEntry->Dot11BSSID[2],
pBSSEntry->Dot11BSSID[3], pBSSEntry->Dot11BSSID[4], pBSSEntry->Dot11BSSID[5]));
}
#endif
//
// Done with our modification of the AP entry
//
NdisDprReleaseSpinLock(&(pBSSEntry->Lock));
} while (FALSE);
return ndisStatus;
VOID
HelperPortStartScanProcess(
_In_ PMP_HELPER_PORT HelperPort,
_In_ PMP_SCAN_PARAMETERS ScanParameters
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
ULONG scanChannelCount = 0;
ULONG i;
do
{
MpTrace(COMP_SCAN, DBG_NORMAL, ("Starting the scan process of %p for port %p\n",
ScanParameters, ScanParameters->RequestingPort));
//
// For optimal scanning, we specify the list of channels
// that the HW should use if the port hasnt specified any.
// Note that for ExtSTA the channels in the PhyTypeInfo
// structures of the DOT11_SCAN_REQUEST are invalid. So we dont
// need to consider those
//
if (ScanParameters->PortScanRequest->ChannelCount != 0)
{
// Use the list of channels specified by the port
scanChannelCount = ScanParameters->PortScanRequest->ChannelCount;
}
else
{
if (HelperPort->ScanContext.MediaConnectedCount > 0)
{
// A port is connected (STA associated/AP started/Adhoc running)
// We dont scan all channels in one shot. We do multiple partial
// scans
// The scan type determines the number of channels we scan at a time
if (ScanParameters->PortScanRequest->Dot11ScanRequest->dot11ScanType & dot11_scan_type_active)
scanChannelCount = HelperPort->RegInfo->ActiveScanChannelCount;
else
scanChannelCount = HelperPort->RegInfo->PassiveScanChannelCount;
MpTrace(COMP_SCAN, DBG_NORMAL, ("Link Up scan will scan atmost %d channels at a time\n",
scanChannelCount));
}
else
{
// We can scan each phy in one scan. Find the maximum number of
// channels in a phy & use that as our scan channels limit
scanChannelCount = 0;
for (i = 0; i < HW11_MAX_PHY_COUNT; i++)
{
if (HelperPort->ScanContext.ScanChannels[i].ChannelCount > scanChannelCount)
{
scanChannelCount = HelperPort->ScanContext.ScanChannels[i].ChannelCount;
}
}
MpTrace(COMP_SCAN, DBG_NORMAL, ("Link Down scan will scan upto %d channels at a time\n",
scanChannelCount));
}
}
ScanParameters->MaxChannelCount = scanChannelCount;
//
// Create a channel buffer that we would give to the lower layer
//
MP_ALLOCATE_MEMORY(
HELPPORT_GET_MP_PORT(HelperPort)->MiniportAdapterHandle,
&ScanParameters->VNicScanRequest.ChannelList,
scanChannelCount * sizeof(ULONG),
PORT_MEMORY_TAG
);
if (ScanParameters->VNicScanRequest.ChannelList == NULL)
{
ndisStatus = NDIS_STATUS_RESOURCES;
break;
}
//
// Save scan start time
//
NdisGetCurrentSystemTime((PLARGE_INTEGER)&HelperPort->ScanContext.LastScanTime);
ScanParameters->VNicScanRequest.Dot11ScanRequest = ScanParameters->PortScanRequest->Dot11ScanRequest;
ScanParameters->VNicScanRequest.ScanRequestBufferLength =
ScanParameters->PortScanRequest->ScanRequestBufferLength;
MP_ACQUIRE_PORT_LOCK(HELPPORT_GET_MP_PORT(HelperPort), FALSE);
if (ScanParameters->CancelScan)
{
MpTrace(COMP_SCAN, DBG_NORMAL, ("Aborting scan start for a cancelled scan request\n"));
ndisStatus = NDIS_STATUS_REQUEST_ABORTED;
}
else
{
// We will queue an exclusive access request
ScanParameters->State = SCAN_EXCLUSIVE_ACCESS_QUEUED;
}
MP_RELEASE_PORT_LOCK(HELPPORT_GET_MP_PORT(HelperPort), FALSE);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Queue an exclusive access. The scan would be done in there
//
ndisStatus = HelperPortRequestExclusiveAccess(HelperPort,
HelperPortScanExAccessCallback,
ScanParameters,
FALSE
);
if (NDIS_STATUS_SUCCESS == ndisStatus)
{
// the function completed synchronously, call the callback ourselves
HelperPortScanExAccessCallback(HELPPORT_GET_MP_PORT(HelperPort), ScanParameters);
}
else if (ndisStatus == NDIS_STATUS_PENDING)
{
// Pending is same as success
if (ndisStatus == NDIS_STATUS_PENDING)
{
ndisStatus = NDIS_STATUS_SUCCESS;
}
}
else
{
// The exclusive access request failed
MpTrace(COMP_SCAN, DBG_SERIOUS, ("Exclusive access request for scan start failed. Status = 0x%08x\n", ndisStatus));
}
}while (FALSE);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
HelperPortCompleteScanProcess(
HelperPort,
ScanParameters,
&ndisStatus
);
}
}
NTSTATUS DriverEntry(PDRIVER_OBJECT pDriverObject, PUNICODE_STRING pRegistryPath)
{
NDIS_STATUS status = NDIS_STATUS_FAILURE;
NDIS_MINIPORT_DRIVER_CHARACTERISTICS chars;
#ifdef DEBUG_TIMING
LARGE_INTEGER TickCount;
LARGE_INTEGER SysTime;
#endif DEBUG_TIMING
ParaNdis_DebugInitialize();
DEBUG_ENTRY(0);
DPrintf(0, (__DATE__ " " __TIME__ "built %d.%d\n", NDIS_MINIPORT_MAJOR_VERSION, NDIS_MINIPORT_MINOR_VERSION));
#ifdef DEBUG_TIMING
KeQueryTickCount(&TickCount);
NdisGetCurrentSystemTime(&SysTime);
DPrintf(0, ("\n%s>> CPU #%d, perf-counter %I64d, tick count %I64d, NDIS_sys_time %I64d\n", __FUNCTION__, KeGetCurrentProcessorNumber(), KeQueryPerformanceCounter(NULL).QuadPart,TickCount.QuadPart, SysTime.QuadPart));
#endif
NdisZeroMemory(&chars, sizeof(chars));
chars.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_DRIVER_CHARACTERISTICS;
chars.Header.Revision = NDIS_MINIPORT_DRIVER_CHARACTERISTICS_REVISION_1;
chars.Header.Size = NDIS_SIZEOF_MINIPORT_DRIVER_CHARACTERISTICS_REVISION_1;
chars.MajorNdisVersion = NDIS_MINIPORT_MAJOR_VERSION;
chars.MinorNdisVersion = NDIS_MINIPORT_MINOR_VERSION;
/* stupid thing, they are at least short */
chars.MajorDriverVersion = (UCHAR)(PARANDIS_MAJOR_DRIVER_VERSION & 0xFF);
chars.MinorDriverVersion = (UCHAR)(PARANDIS_MINOR_DRIVER_VERSION & 0xFF);
// possible value for regular miniport NDIS_WDM_DRIVER - for USB or 1394
// chars.Flags = 0;
chars.InitializeHandlerEx = ParaNdis6_Initialize;
chars.HaltHandlerEx = ParaNdis6_Halt;
chars.UnloadHandler = ParaNdis6_Unload;
chars.PauseHandler = ParaNdis6_Pause;
chars.RestartHandler = ParaNdis6_Restart;
chars.OidRequestHandler = ParaNdis6_OidRequest;
chars.CancelOidRequestHandler = ParaNdis6_OidCancelRequest;
chars.SendNetBufferListsHandler = ParaNdis6_SendNetBufferLists;
chars.CancelSendHandler = ParaNdis6_CancelSendNetBufferLists;
chars.ReturnNetBufferListsHandler = ParaNdis6_ReturnNetBufferLists;
chars.CheckForHangHandlerEx = ParaNdis6_CheckForHang;
chars.ResetHandlerEx = ParaNdis6_Reset;
chars.ShutdownHandlerEx = ParaNdis6_AdapterShutdown;
chars.DevicePnPEventNotifyHandler = ParaNdis6_DevicePnPEvent;
chars.SetOptionsHandler = ParaNdis6_SetOptions;
#if NDIS_SUPPORT_NDIS61
chars.Header.Revision = NDIS_MINIPORT_DRIVER_CHARACTERISTICS_REVISION_2;
chars.Header.Size = NDIS_SIZEOF_MINIPORT_DRIVER_CHARACTERISTICS_REVISION_2;
chars.DirectOidRequestHandler = ParaNdis6x_DirectOidRequest;
chars.CancelDirectOidRequestHandler = ParaNdis6x_CancelDirectOidRequest;
#endif
status = NdisMRegisterMiniportDriver(
pDriverObject,
pRegistryPath,
NULL,
&chars,
&DriverHandle);
if (status == NDIS_STATUS_SUCCESS)
{
RetrieveDriverConfiguration();
}
DEBUG_EXIT_STATUS(status ? 0 : 4, status);
return status;
}
