/*==========================================================================
FUNCTION WLANSAP_ScanCallback()
DESCRIPTION
Callback for Scan (scan results) Events
DEPENDENCIES
NA.
PARAMETERS
IN
tHalHandle : tHalHandle passed in with the scan request
*pContext : The second context pass in for the caller (sapContext)
scanID : scanID got after the scan
status : Status of scan -success, failure or abort
RETURN VALUE
The eHalStatus code associated with performing the operation
eHAL_STATUS_SUCCESS: Success
SIDE EFFECTS
============================================================================*/
eHalStatus
WLANSAP_ScanCallback
(
tHalHandle halHandle,
void *pContext, /* Opaque SAP handle */
v_U8_t sessionId,
v_U32_t scanID,
eCsrScanStatus scanStatus
)
{
tScanResultHandle pResult = NULL;
eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE;
ptSapContext psapContext = (ptSapContext)pContext;
tWLAN_SAPEvent sapEvent; /* State machine event */
v_U8_t operChannel = 0;
VOS_STATUS sapstatus;
#ifdef SOFTAP_CHANNEL_RANGE
v_U32_t operatingBand;
v_U32_t event;
#endif
if (psapContext->sapsMachine == eSAP_DISCONNECTED) {
VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_WARN,
"In %s BSS already stopped", __func__);
return eHAL_STATUS_FAILURE;
}
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, before switch on scanStatus = %d", __func__, scanStatus);
switch (scanStatus)
{
case eCSR_SCAN_SUCCESS:
// sapScanCompleteCallback with eCSR_SCAN_SUCCESS
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_SUCCESS", scanStatus);
// Get scan results, Run channel selection algorithm, select channel and keep in pSapContext->Channel
scanGetResultStatus = sme_ScanGetResult(halHandle, psapContext->sessionId, NULL, &pResult);
if ((scanGetResultStatus != eHAL_STATUS_SUCCESS)&& (scanGetResultStatus != eHAL_STATUS_E_NULL_VALUE))
{
// No scan results
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, "In %s, Get scan result failed! ret = %d",
__func__, scanGetResultStatus);
break;
}
#ifdef FEATURE_WLAN_AP_AP_ACS_OPTIMIZE
if (scanID != 0) {
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH,
"%s: Sending ACS Scan skip event", __func__);
sapSignalHDDevent(psapContext, NULL,
eSAP_ACS_SCAN_SUCCESS_EVENT,
(v_PVOID_t) eSAP_STATUS_SUCCESS);
} else
VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH,
"%s: ACS scan id: %d (skipped ACS SCAN)", __func__, scanID);
#endif
operChannel = sapSelectChannel(halHandle, psapContext, pResult);
sme_ScanResultPurge(halHandle, pResult);
event = eSAP_MAC_SCAN_COMPLETE;
break;
default:
event = eSAP_CHANNEL_SELECTION_FAILED;
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_ABORT/FAILURE", scanStatus);
}
if (operChannel == SAP_CHANNEL_NOT_SELECTED)
#ifdef SOFTAP_CHANNEL_RANGE
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO,
"%s: No suitable channel selected",
__func__);
if ( eCSR_BAND_ALL == psapContext->scanBandPreference ||
psapContext->allBandScanned == eSAP_TRUE)
{
if(psapContext->channelList != NULL)
{
psapContext->channel = psapContext->channelList[0];
}
else
{
/* if the channel list is empty then there is no valid channel in
the selected sub-band so select default channel in the
BAND(2.4GHz/5GHZ) */
ccmCfgGetInt( halHandle, WNI_CFG_SAP_CHANNEL_SELECT_OPERATING_BAND, &operatingBand);
if(eSAP_RF_SUBBAND_2_4_GHZ == operatingBand )
psapContext->channel = SAP_DEFAULT_CHANNEL;
else
psapContext->channel = SAP_DEFAULT_5GHZ_CHANNEL;
}
}
else
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO,
"%s: Has scan band preference",
__func__);
if (eCSR_BAND_24 == psapContext->currentPreferredBand)
psapContext->currentPreferredBand = eCSR_BAND_5G;
else
psapContext->currentPreferredBand = eCSR_BAND_24;
psapContext->allBandScanned = eSAP_TRUE;
//go back to DISCONNECT state, scan next band
psapContext->sapsMachine = eSAP_DISCONNECTED;
event = eSAP_CHANNEL_SELECTION_FAILED;
}
}
#else
psapContext->channel = SAP_DEFAULT_CHANNEL;
#endif
else
{
/*==========================================================================
FUNCTION WLANSAP_ScanCallback()
DESCRIPTION
Callback for Scan (scan results) Events
DEPENDENCIES
NA.
PARAMETERS
IN
tHalHandle : tHalHandle passed in with the scan request
*pContext : The second context pass in for the caller (sapContext)
scanID : scanID got after the scan
status : Status of scan -success, failure or abort
RETURN VALUE
The eHalStatus code associated with performing the operation
eHAL_STATUS_SUCCESS: Success
SIDE EFFECTS
============================================================================*/
eHalStatus
WLANSAP_ScanCallback
(
tHalHandle halHandle,
void *pContext, /* Opaque SAP handle */
v_U32_t scanID,
eCsrScanStatus scanStatus
)
{
tScanResultHandle pResult = NULL;
eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE;
ptSapContext psapContext = (ptSapContext)pContext;
void *pTempHddCtx;
tWLAN_SAPEvent sapEvent; /* State machine event */
v_U8_t operChannel = 0;
VOS_STATUS sapstatus;
#ifdef SOFTAP_CHANNEL_RANGE
v_U32_t operatingBand;
#endif
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
pTempHddCtx = vos_get_context( VOS_MODULE_ID_HDD,
psapContext->pvosGCtx);
if (NULL == pTempHddCtx)
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_FATAL,
"HDD context is NULL");
return eHAL_STATUS_FAILURE;
}
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, before switch on scanStatus = %d", __func__, scanStatus);
switch (scanStatus)
{
case eCSR_SCAN_SUCCESS:
// sapScanCompleteCallback with eCSR_SCAN_SUCCESS
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_SUCCESS", scanStatus);
// Get scan results, Run channel selection algorithm, select channel and keep in pSapContext->Channel
scanGetResultStatus = sme_ScanGetResult(halHandle, 0, NULL, &pResult);
if ((NULL == pResult) || (scanGetResultStatus != eHAL_STATUS_SUCCESS))
{
// No scan results
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, "In %s, sme_ScanGetResult = NULL", __func__);
break;
}
operChannel = sapSelectChannel(halHandle, psapContext, pResult);
sme_ScanResultPurge(halHandle, pResult);
break;
default:
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_ABORT/FAILURE", scanStatus);
}
if (operChannel == SAP_CHANNEL_NOT_SELECTED)
#ifdef SOFTAP_CHANNEL_RANGE
{
if(psapContext->channelList != NULL)
{
psapContext->channel = psapContext->channelList[0];
}
else
{
/* if the channel list is empty then there is no valid channel in
the selected sub-band so select default channel in the
BAND(2.4GHz/5GHZ) */
ccmCfgGetInt( halHandle, WNI_CFG_SAP_CHANNEL_SELECT_OPERATING_BAND, &operatingBand);
if(RF_SUBBAND_2_4_GHZ == operatingBand )
psapContext->channel = SAP_DEFAULT_CHANNEL;
else
psapContext->channel = SAP_DEFAULT_5GHZ_CHANNEL;
}
}
#else
psapContext->channel = SAP_DEFAULT_CHANNEL;
#endif
else
{
eHalStatus
WLANSAP_ScanCallback
(
tHalHandle halHandle,
void *pContext,
v_U32_t scanID,
eCsrScanStatus scanStatus
)
{
tScanResultHandle pResult = NULL;
eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE;
ptSapContext psapContext = (ptSapContext)pContext;
void *pTempHddCtx;
tWLAN_SAPEvent sapEvent;
v_U8_t operChannel = 0;
VOS_STATUS sapstatus;
#ifdef SOFTAP_CHANNEL_RANGE
v_U32_t operatingBand;
#endif
pTempHddCtx = vos_get_context( VOS_MODULE_ID_HDD,
psapContext->pvosGCtx);
if (NULL == pTempHddCtx)
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_FATAL,
"HDD context is NULL");
return eHAL_STATUS_FAILURE;
}
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, before switch on scanStatus = %d", __func__, scanStatus);
switch (scanStatus)
{
case eCSR_SCAN_SUCCESS:
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_SUCCESS", scanStatus);
scanGetResultStatus = sme_ScanGetResult(halHandle, 0, NULL, &pResult);
if ((NULL == pResult) || (scanGetResultStatus != eHAL_STATUS_SUCCESS))
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, "In %s, sme_ScanGetResult = NULL", __func__);
break;
}
operChannel = sapSelectChannel(halHandle, psapContext, pResult);
sme_ScanResultPurge(halHandle, pResult);
break;
default:
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_ABORT/FAILURE", scanStatus);
}
if (operChannel == SAP_CHANNEL_NOT_SELECTED)
#ifdef SOFTAP_CHANNEL_RANGE
{
if(psapContext->channelList != NULL)
{
psapContext->channel = psapContext->channelList[0];
}
else
{
ccmCfgGetInt( halHandle, WNI_CFG_SAP_CHANNEL_SELECT_OPERATING_BAND, &operatingBand);
if(RF_SUBBAND_2_4_GHZ == operatingBand )
psapContext->channel = SAP_DEFAULT_CHANNEL;
else
psapContext->channel = SAP_DEFAULT_5GHZ_CHANNEL;
}
}
#else
psapContext->channel = SAP_DEFAULT_CHANNEL;
#endif
else
{
int iw_get_scan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev) ;
hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
tCsrScanResultInfo *pScanResult;
eHalStatus status = eHAL_STATUS_SUCCESS;
hdd_scan_info_t scanInfo;
tScanResultHandle pResult;
int i = 0;
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: enter buffer length %d!!!",
__func__, (wrqu->data.length)?wrqu->data.length:IW_SCAN_MAX_DATA);
ENTER();
if (TRUE == pHddCtx->scan_info.mScanPending)
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:mScanPending is TRUE !!!",__func__);
return -EAGAIN;
}
if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress) {
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
return -EAGAIN;
}
scanInfo.dev = dev;
scanInfo.start = extra;
scanInfo.info = info;
if (0 == wrqu->data.length)
{
scanInfo.end = extra + IW_SCAN_MAX_DATA;
}
else
{
scanInfo.end = extra + wrqu->data.length;
}
status = sme_ScanGetResult(hHal,pAdapter->sessionId,NULL,&pResult);
if (NULL == pResult)
{
hddLog(LOG1,"iw_get_scan: NULL Scan Result ");
return 0;
}
pScanResult = sme_ScanResultGetFirst(hHal, pResult);
while (pScanResult)
{
status = hdd_IndicateScanResult(&scanInfo, pScanResult);
if (0 != status)
{
break;
}
i++;
pScanResult = sme_ScanResultGetNext(hHal, pResult);
}
sme_ScanResultPurge(hHal, pResult);
EXIT();
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, "%s: exit total %d BSS reported !!!",__func__, i);
return status;
}
/*==========================================================================
FUNCTION WLANSAP_ScanCallback()
DESCRIPTION
Callback for Scan (scan results) Events
DEPENDENCIES
NA.
PARAMETERS
IN
tHalHandle : tHalHandle passed in with the scan request
*pContext : The second context pass in for the caller (sapContext)
scanID : scanID got after the scan
status : Status of scan -success, failure or abort
RETURN VALUE
The eHalStatus code associated with performing the operation
eHAL_STATUS_SUCCESS: Success
SIDE EFFECTS
============================================================================*/
eHalStatus
WLANSAP_ScanCallback
(
tHalHandle halHandle,
void *pContext, /* Opaque SAP handle */
v_U32_t scanID,
eCsrScanStatus scanStatus
)
{
tScanResultHandle pResult = NULL;
eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE;
ptSapContext psapContext = (ptSapContext)pContext;
void *pTempHddCtx;
tWLAN_SAPEvent sapEvent; /* State machine event */
v_U8_t operChannel = 0;
v_U8_t i = 0;
VOS_STATUS sapstatus;
v_U32_t event;
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
pTempHddCtx = vos_get_context( VOS_MODULE_ID_HDD,
psapContext->pvosGCtx);
if (NULL == pTempHddCtx)
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_FATAL,
"HDD context is NULL");
return eHAL_STATUS_FAILURE;
}
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, before switch on scanStatus = %d", __func__, scanStatus);
switch (scanStatus)
{
case eCSR_SCAN_SUCCESS:
// sapScanCompleteCallback with eCSR_SCAN_SUCCESS
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_SUCCESS", scanStatus);
// Get scan results, Run channel selection algorithm, select channel and keep in pSapContext->Channel
scanGetResultStatus = sme_ScanGetResult(halHandle, 0, NULL, &pResult);
event = eSAP_MAC_SCAN_COMPLETE;
if ((scanGetResultStatus != eHAL_STATUS_SUCCESS)&& (scanGetResultStatus != eHAL_STATUS_E_NULL_VALUE))
{
// No scan results
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, "In %s, Get scan result failed! ret = %d",
__func__, scanGetResultStatus);
break;
}
operChannel = sapSelectChannel(halHandle, psapContext, pResult);
sme_ScanResultPurge(halHandle, pResult);
break;
default:
event = eSAP_CHANNEL_SELECTION_FAILED;
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_ABORT/FAILURE", scanStatus);
}
if (operChannel == SAP_CHANNEL_NOT_SELECTED)
#ifdef SOFTAP_CHANNEL_RANGE
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO,
"%s: No suitable channel selected", __func__);
if ( eCSR_BAND_ALL == psapContext->scanBandPreference ||
psapContext->allBandScanned == eSAP_TRUE)
{
if(psapContext->channelList != NULL)
{
psapContext->channel = SAP_DEFAULT_CHANNEL;
for ( i = 0 ; i < psapContext->numofChannel ; i++)
{
if (NV_CHANNEL_ENABLE ==
vos_nv_getChannelEnabledState(psapContext->channelList[i]))
{
psapContext->channel = psapContext->channelList[i];
break;
}
}
}
else
{
/* if the channel list is empty then there is no valid channel in
the selected sub-band so select default channel in the
BAND(2.4GHz) as 2.4 channels are available in all the
countries*/
psapContext->channel = SAP_DEFAULT_CHANNEL;
}
}
else
{
VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO,
"%s: Has scan band preference",
__func__);
if (eCSR_BAND_24 == psapContext->currentPreferredBand)
psapContext->currentPreferredBand = eCSR_BAND_5G;
else
psapContext->currentPreferredBand = eCSR_BAND_24;
psapContext->allBandScanned = eSAP_TRUE;
//go back to DISCONNECT state, scan next band
psapContext->sapsMachine = eSAP_DISCONNECTED;
event = eSAP_CHANNEL_SELECTION_FAILED;
}
}
#else
psapContext->channel = SAP_DEFAULT_CHANNEL;
#endif
else
{
