diff options
Diffstat (limited to 'drivers/staging/otus/80211core/cscanmgr.c')
| -rw-r--r-- | drivers/staging/otus/80211core/cscanmgr.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/drivers/staging/otus/80211core/cscanmgr.c b/drivers/staging/otus/80211core/cscanmgr.c deleted file mode 100644 index be7d8eb..0000000 --- a/drivers/staging/otus/80211core/cscanmgr.c +++ /dev/null @@ -1,533 +0,0 @@ -/* - * Copyright (c) 2007-2008 Atheros Communications Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "cprecomp.h" - -void zfScanMgrInit(zdev_t* dev) -{ - zmw_get_wlan_dev(dev); - - wd->sta.scanMgr.scanReqs[0] = 0; - wd->sta.scanMgr.scanReqs[1] = 0; - - wd->sta.scanMgr.currScanType = ZM_SCAN_MGR_SCAN_NONE; - wd->sta.scanMgr.scanStartDelay = 3; - //wd->sta.scanMgr.scanStartDelay = 0; -} - -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; -} - -void zfScanMgrScanAck(zdev_t* dev) -{ - zmw_get_wlan_dev(dev); - - zmw_declare_for_critical_section(); - - zmw_enter_critical_section(dev); - - wd->sta.scanMgr.scanStartDelay = 3; - //wd->sta.scanMgr.scanStartDelay = 0; - - zmw_leave_critical_section(dev); - return; -} - -extern void zfStaReconnect(zdev_t* dev); - -static void zfScanSendProbeRequest(zdev_t* dev) -{ - u8_t k; - u16_t dst[3] = { 0xffff, 0xffff, 0xffff }; - - zmw_get_wlan_dev(dev); - - /* Increase rxBeaconCount to prevent beacon lost */ - if (zfStaIsConnected(dev)) - { - wd->sta.rxBeaconCount++; - } - - if ( wd->sta.bPassiveScan ) - { - return; - } - /* enable 802.l11h and in DFS Band , disable sending probe request */ - if (wd->sta.DFSEnable) - { - if (zfHpIsDfsChannel(dev, wd->sta.scanFrequency)) - { - return; - } - } - - zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_PROBEREQ, dst, 0, 0, 0); - - if ( wd->sta.disableProbingWithSsid ) - { - return; - } - - for (k=1; k<=ZM_MAX_PROBE_HIDDEN_SSID_SIZE; k++) - { - if ( wd->ws.probingSsidList[k-1].ssidLen != 0 ) - { - zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_PROBEREQ, dst, k, 0, 0); - } - } -} - -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); -} - - -static void zfScanMgrEventScanCompleteCb(zdev_t* dev) -{ - if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev))) - { - zfSendNullData(dev, 0); - } - return; -} - - -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 - } -} - -u8_t zfScanMgrScanEventTimeout(zdev_t* dev) -{ - u16_t nextScanFrequency = 0; - u8_t temp; - - zmw_get_wlan_dev(dev); - - zmw_declare_for_critical_section(); - - zmw_enter_critical_section(dev); - if ( wd->sta.scanFrequency == 0 ) - { - zmw_leave_critical_section(dev); - return -1; - } - - nextScanFrequency = zfChGetNextChannel(dev, wd->sta.scanFrequency, - &wd->sta.bPassiveScan); - - if ( (nextScanFrequency == 0xffff) - || (wd->sta.scanFrequency == zfChGetLastChannel(dev, &temp)) ) - { - u8_t currScanType; - u8_t isExternalScan = 0; - u8_t isInternalScan = 0; - - //zm_debug_msg1("end scan = ", KeQueryInterruptTime()); - wd->sta.scanFrequency = 0; - - zm_debug_msg1("scan 1 type: ", wd->sta.scanMgr.currScanType); - zm_debug_msg1("scan channel count = ", wd->regulationTable.allowChannelCnt); - - //zfBssInfoRefresh(dev); - zfTimerCancel(dev, ZM_EVENT_TIMEOUT_SCAN); - - if ( wd->sta.bChannelScan == FALSE ) - { - zm_debug_msg0("WOW!! scan is cancelled\n"); - zmw_leave_critical_section(dev); - goto report_scan_result; - } - - - currScanType = wd->sta.scanMgr.currScanType; - switch(currScanType) - { - case ZM_SCAN_MGR_SCAN_EXTERNAL: - isExternalScan = 1; - - if ( wd->sta.scanMgr.scanReqs[ZM_SCAN_MGR_SCAN_INTERNAL - 1] ) - { - wd->sta.scanMgr.scanReqs[ZM_SCAN_MGR_SCAN_INTERNAL - 1] = 0; - isInternalScan = 1; - } - - break; - - case ZM_SCAN_MGR_SCAN_INTERNAL: - isInternalScan = 1; - - if ( wd->sta.scanMgr.scanReqs[ZM_SCAN_MGR_SCAN_EXTERNAL - 1] ) - { - // Because the external scan should pre-empts internal scan. - // So this shall not be happened!! - zm_assert(0); - } - - break; - - default: - zm_assert(0); - break; - } - - wd->sta.scanMgr.scanReqs[currScanType - 1] = 0; - wd->sta.scanMgr.scanStartDelay = 100; - wd->sta.scanMgr.currScanType = ZM_SCAN_MGR_SCAN_NONE; - zmw_leave_critical_section(dev); - - //Set channel according to AP's configuration - zfCoreSetFrequencyEx(dev, wd->frequency, wd->BandWidth40, - wd->ExtOffset, zfScanMgrEventScanCompleteCb); - - wd->sta.bChannelScan = FALSE; - - #if 1 - if (zfStaIsConnected(dev)) - { // Finish site survey, reset the variable to detect using wrong frequency ! - zfHpFinishSiteSurvey(dev, 1); - zmw_enter_critical_section(dev); - wd->sta.ibssSiteSurveyStatus = 2; - wd->tickIbssReceiveBeacon = 0; - wd->sta.ibssReceiveBeaconCount = 0; - zmw_leave_critical_section(dev); - - /* #5 Re-enable RIFS function after the site survey ! */ - /* This is because switch band will reset the BB register to initial value */ - if( wd->sta.rifsState == ZM_RIFS_STATE_DETECTED ) - { - zfHpEnableRifs(dev, ((wd->sta.currentFrequency<3000)?1:0), wd->sta.EnableHT, wd->sta.HT2040); - } - } - else - { - zfHpFinishSiteSurvey(dev, 0); - zmw_enter_critical_section(dev); - wd->sta.ibssSiteSurveyStatus = 0; - zmw_leave_critical_section(dev); - } - #endif - -report_scan_result: - /* avoid lose receive packet when site survey */ - //if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev))) - //{ - // zfSendNullData(dev, 0); - //} - - if ( isExternalScan )//Quickly reboot - { - if (wd->zfcbScanNotify != NULL) - { - wd->zfcbScanNotify(dev, NULL); - } - } - - if ( isInternalScan ) - { - //wd->sta.InternalScanReq = 0; - zfStaReconnect(dev); - } - - return 0; - } - else - { - wd->sta.scanFrequency = nextScanFrequency; - - //zmw_enter_critical_section(dev); - zfTimerCancel(dev, ZM_EVENT_IN_SCAN); - zmw_leave_critical_section(dev); - - zm_debug_msg0("scan 2"); - zfCoreSetFrequencyV2(dev, wd->sta.scanFrequency, zfScanMgrEventSetFreqCompleteCb); - - return 1; - } -} - -void zfScanMgrScanEventStart(zdev_t* dev) -{ - zmw_get_wlan_dev(dev); - - zmw_declare_for_critical_section(); - - if ( wd->sta.bChannelScan ) - { - return; - } - - zfPowerSavingMgrWakeup(dev); - - zmw_enter_critical_section(dev); - - if ( wd->sta.scanMgr.currScanType == ZM_SCAN_MGR_SCAN_NONE ) - { - goto no_scan; - } - - //zfBssInfoRefresh(dev); - zfBssInfoRefresh(dev, 0); - wd->sta.bChannelScan = TRUE; - wd->sta.bScheduleScan = FALSE; - zfTimerCancel(dev, ZM_EVENT_IN_SCAN); - zfTimerCancel(dev, ZM_EVENT_TIMEOUT_SCAN); - - //zm_debug_msg1("start scan = ", KeQueryInterruptTime()); - wd->sta.scanFrequency = zfChGetFirstChannel(dev, &wd->sta.bPassiveScan); - zmw_leave_critical_section(dev); - - /* avoid lose receive packet when site survey */ - //if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev))) - //{ - // zfSendNullData(dev, 1); - //} -// zm_debug_msg0("scan 0"); -// zfCoreSetFrequencyV2(dev, wd->sta.scanFrequency, zfScanMgrEventSetFreqCompleteCb); - - #if 1 - if (zfStaIsConnected(dev)) - {// If doing site survey ! - zfHpBeginSiteSurvey(dev, 1); - zmw_enter_critical_section(dev); - wd->sta.ibssSiteSurveyStatus = 1; - zmw_leave_critical_section(dev); - } - else - { - zfHpBeginSiteSurvey(dev, 0); - zmw_enter_critical_section(dev); - wd->sta.ibssSiteSurveyStatus = 0; - zmw_leave_critical_section(dev); - } - #endif - - zm_debug_msg0("scan 0"); - zfCoreSetFrequencyV2(dev, wd->sta.scanFrequency, zfScanMgrEventSetFreqCompleteCb); - - return; - -no_scan: - zmw_leave_critical_section(dev); - return; -} |
