static void zfScanMgrEventSetFreqCompleteCb(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
//printk("zfScanMgrEventSetFreqCompleteCb #1\n");
zmw_enter_critical_section(dev);
zfTimerSchedule(dev, ZM_EVENT_IN_SCAN, ZM_TICK_IN_SCAN);
if (wd->sta.bPassiveScan)
{
zfTimerSchedule(dev, ZM_EVENT_TIMEOUT_SCAN, wd->sta.passiveScanTickPerChannel);
}
else
{
zfTimerSchedule(dev, ZM_EVENT_TIMEOUT_SCAN, wd->sta.activescanTickPerChannel);
}
zmw_leave_critical_section(dev);
zfScanSendProbeRequest(dev);
}
void zfScanMgrScanEventRetry(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
if ( !wd->sta.bChannelScan )
{
return;
}
if ( !wd->sta.bPassiveScan )
{
zfScanSendProbeRequest(dev);
#if 0
zmw_enter_critical_section(dev);
zfTimerSchedule(dev, ZM_EVENT_IN_SCAN, ZM_TICK_IN_SCAN);
zmw_leave_critical_section(dev);
#endif
}
}
void zfProcessEvent(zdev_t* dev, u16_t* eventArray, u8_t eventCount)
{
u8_t i, j, bypass = FALSE;
u16_t eventBypass[32];
u8_t eventBypassCount = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zfZeroMemory((u8_t*) eventBypass, 64);
for( i=0; i<eventCount; i++ )
{
for( j=0; j<eventBypassCount; j++ )
{
if ( eventBypass[j] == eventArray[i] )
{
bypass = TRUE;
break;
}
}
if ( bypass )
{
continue;
}
switch( eventArray[i] )
{
case ZM_EVENT_SCAN:
{
zfScanMgrScanEventStart(dev);
eventBypass[eventBypassCount++] = ZM_EVENT_IN_SCAN;
eventBypass[eventBypassCount++] = ZM_EVENT_TIMEOUT_SCAN;
}
break;
case ZM_EVENT_TIMEOUT_SCAN:
{
u8_t res;
res = zfScanMgrScanEventTimeout(dev);
if ( res == 0 )
{
eventBypass[eventBypassCount++] = ZM_EVENT_TIMEOUT_SCAN;
}
else if ( res == 1 )
{
eventBypass[eventBypassCount++] = ZM_EVENT_IN_SCAN;
}
}
break;
case ZM_EVENT_IBSS_MONITOR:
{
zfStaIbssMonitoring(dev, 0);
}
break;
case ZM_EVENT_IN_SCAN:
{
zfScanMgrScanEventRetry(dev);
}
break;
case ZM_EVENT_CM_TIMER:
{
zm_msg0_mm(ZM_LV_0, "ZM_EVENT_CM_TIMER");
wd->sta.cmMicFailureCount = 0;
}
break;
case ZM_EVENT_CM_DISCONNECT:
{
zm_msg0_mm(ZM_LV_0, "ZM_EVENT_CM_DISCONNECT");
zfChangeAdapterState(dev, ZM_STA_STATE_DISCONNECT);
zmw_enter_critical_section(dev);
//zfTimerSchedule(dev, ZM_EVENT_CM_BLOCK_TIMER,
// ZM_TICK_CM_BLOCK_TIMEOUT);
/* Timer Resolution on WinXP is 15/16 ms */
/* Decrease Time offset for <XP> Counter Measure */
zfTimerSchedule(dev, ZM_EVENT_CM_BLOCK_TIMER,
ZM_TICK_CM_BLOCK_TIMEOUT - ZM_TICK_CM_BLOCK_TIMEOUT_OFFSET);
zmw_leave_critical_section(dev);
if (wd->sta.cmMicFailureCount == 2) //accumlate 2 MIC error in 60sec. send deauth to AP
{
zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_DEAUTH, wd->sta.bssid, 1, 0, 0);
}
wd->sta.cmMicFailureCount = 0;
//zfiWlanDisable(dev);
zfHpResetKeyCache(dev);
if (wd->zfcbConnectNotify != NULL)
{
wd->zfcbConnectNotify(dev, ZM_STATUS_MEDIA_DISCONNECT_MIC_FAIL,
wd->sta.bssid);
}
}
break;
case ZM_EVENT_CM_BLOCK_TIMER:
{
zm_msg0_mm(ZM_LV_0, "ZM_EVENT_CM_BLOCK_TIMER");
//zmw_enter_critical_section(dev);
wd->sta.cmDisallowSsidLength = 0;
if ( wd->sta.bAutoReconnect )
{
zm_msg0_mm(ZM_LV_0, "ZM_EVENT_CM_BLOCK_TIMER:bAutoReconnect!=0");
zfScanMgrScanStop(dev, ZM_SCAN_MGR_SCAN_INTERNAL);
zfScanMgrScanStart(dev, ZM_SCAN_MGR_SCAN_INTERNAL);
}
//zmw_leave_critical_section(dev);
}
break;
case ZM_EVENT_TIMEOUT_ADDBA:
{
if (!wd->addbaComplete && (wd->addbaCount < 5))
{
zfAggSendAddbaRequest(dev, wd->sta.bssid, 0, 0);
wd->addbaCount++;
zfTimerSchedule(dev, ZM_EVENT_TIMEOUT_ADDBA, 100);
}
else
{
zfTimerCancel(dev, ZM_EVENT_TIMEOUT_ADDBA);
}
}
break;
#ifdef ZM_ENABLE_PERFORMANCE_EVALUATION
case ZM_EVENT_TIMEOUT_PERFORMANCE:
{
zfiPerformanceRefresh(dev);
}
break;
#endif
case ZM_EVENT_SKIP_COUNTERMEASURE:
//enable the Countermeasure
{
zm_debug_msg0("Countermeasure : Enable MIC Check ");
wd->TKIP_Group_KeyChanging = 0x0;
}
break;
default:
break;
}
}
}
u8_t zfScanMgrScanStart(zdev_t* dev, u8_t scanType)
{
u8_t i;
zmw_get_wlan_dev(dev);
zm_debug_msg1("scanType = ", scanType);
zmw_declare_for_critical_section();
if ( scanType != ZM_SCAN_MGR_SCAN_INTERNAL &&
scanType != ZM_SCAN_MGR_SCAN_EXTERNAL )
{
zm_debug_msg0("unknown scanType");
return 1;
}
else if (zfStaIsConnecting(dev))
{
zm_debug_msg0("reject scan request due to connecting");
return 1;
}
i = scanType - 1;
zmw_enter_critical_section(dev);
if ( wd->sta.scanMgr.scanReqs[i] == 1 )
{
zm_debug_msg1("scan rescheduled", scanType);
goto scan_done;
}
wd->sta.scanMgr.scanReqs[i] = 1;
zm_debug_msg1("scan scheduled: ", scanType);
// If there's no scan pending, we do the scan right away.
// If there's an internal scan and the new scan request is external one,
// we will restart the scan.
if ( wd->sta.scanMgr.currScanType == ZM_SCAN_MGR_SCAN_NONE )
{
goto schedule_scan;
}
else if ( wd->sta.scanMgr.currScanType == ZM_SCAN_MGR_SCAN_INTERNAL &&
scanType == ZM_SCAN_MGR_SCAN_EXTERNAL )
{
// Stop the internal scan & schedule external scan first
zfTimerCancel(dev, ZM_EVENT_SCAN);
/* Fix for WHQL sendrecv => we do not apply delay time in which the device
stop transmitting packet when we already connect to some AP */
wd->sta.bScheduleScan = FALSE;
zfTimerCancel(dev, ZM_EVENT_TIMEOUT_SCAN);
zfTimerCancel(dev, ZM_EVENT_IN_SCAN);
wd->sta.bChannelScan = FALSE;
goto schedule_scan;
}
else
{
zm_debug_msg0("Scan is busy...waiting later to start\n");
}
zmw_leave_critical_section(dev);
return 0;
scan_done:
zmw_leave_critical_section(dev);
return 1;
schedule_scan:
wd->sta.bScheduleScan = TRUE;
zfTimerSchedule(dev, ZM_EVENT_SCAN, wd->sta.scanMgr.scanStartDelay);
wd->sta.scanMgr.scanStartDelay = 3;
//wd->sta.scanMgr.scanStartDelay = 0;
wd->sta.scanMgr.currScanType = scanType;
zmw_leave_critical_section(dev);
if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev)))
{
zfSendNullData(dev, 1);
}
return 0;
}
void zfScanMgrScanStop(zdev_t* dev, u8_t scanType)
{
u8_t scanNotifyRequired = 0;
u8_t theOtherScan = ZM_SCAN_MGR_SCAN_NONE;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if ( wd->sta.scanMgr.currScanType == ZM_SCAN_MGR_SCAN_NONE )
{
zm_assert(wd->sta.scanMgr.scanReqs[0] == 0);
zm_assert(wd->sta.scanMgr.scanReqs[1] == 0);
goto done;
}
switch(scanType)
{
case ZM_SCAN_MGR_SCAN_EXTERNAL:
scanNotifyRequired = 1;
theOtherScan = ZM_SCAN_MGR_SCAN_INTERNAL;
break;
case ZM_SCAN_MGR_SCAN_INTERNAL:
theOtherScan = ZM_SCAN_MGR_SCAN_EXTERNAL;
break;
default:
goto done;
}
if ( wd->sta.scanMgr.currScanType != scanType )
{
goto stop_done;
}
zfTimerCancel(dev, ZM_EVENT_SCAN);
/* Fix for WHQL sendrecv => we do not apply delay time in which the device
stop transmitting packet when we already connect to some AP */
wd->sta.bScheduleScan = FALSE;
zfTimerCancel(dev, ZM_EVENT_TIMEOUT_SCAN);
zfTimerCancel(dev, ZM_EVENT_IN_SCAN);
wd->sta.bChannelScan = FALSE;
wd->sta.scanFrequency = 0;
if ( wd->sta.scanMgr.scanReqs[theOtherScan - 1] )
{
wd->sta.scanMgr.currScanType = theOtherScan;
// Schedule the other scan after 1 second later
zfTimerSchedule(dev, ZM_EVENT_SCAN, 100);
}
else
{
wd->sta.scanMgr.currScanType = ZM_SCAN_MGR_SCAN_NONE;
}
stop_done:
wd->sta.scanMgr.scanReqs[scanType - 1] = 0;
zmw_leave_critical_section(dev);
/* avoid lose receive packet when site survey */
if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev)))
{
zfSendNullData(dev, 0);
}
if ( scanNotifyRequired )
{
zm_debug_msg0("Scan notify after reset");
if (wd->zfcbScanNotify != NULL)
{
wd->zfcbScanNotify(dev, NULL);
}
}
return;
done:
zmw_leave_critical_section(dev);
return;
}