Linux-2.6.33.2/drivers/staging/otus/80211core/cfunc.c
/*
* 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"
u8_t zfQueryOppositeRate(zdev_t* dev, u8_t dst_mac[6], u8_t frameType)
{
zmw_get_wlan_dev(dev);
/* For AP's rate adaption */
if ( wd->wlanMode == ZM_MODE_AP )
{
return 0;
}
/* For STA's rate adaption */
if ( (frameType & 0x0c) == ZM_WLAN_DATA_FRAME )
{
if ( ZM_IS_MULTICAST(dst_mac) )
{
return wd->sta.mTxRate;
}
else
{
return wd->sta.uTxRate;
}
}
return wd->sta.mmTxRate;
}
void zfCopyToIntTxBuffer(zdev_t* dev, zbuf_t* buf, u8_t* src,
u16_t offset, u16_t length)
{
u16_t i;
for(i=0; i<length;i++)
{
zmw_tx_buf_writeb(dev, buf, offset+i, src[i]);
}
}
void zfCopyToRxBuffer(zdev_t* dev, zbuf_t* buf, u8_t* src,
u16_t offset, u16_t length)
{
u16_t i;
for(i=0; i<length;i++)
{
zmw_rx_buf_writeb(dev, buf, offset+i, src[i]);
}
}
void zfCopyFromIntTxBuffer(zdev_t* dev, zbuf_t* buf, u8_t* dst,
u16_t offset, u16_t length)
{
u16_t i;
for(i=0; i<length; i++)
{
dst[i] = zmw_tx_buf_readb(dev, buf, offset+i);
}
}
void zfCopyFromRxBuffer(zdev_t* dev, zbuf_t* buf, u8_t* dst,
u16_t offset, u16_t length)
{
u16_t i;
for(i=0; i<length; i++)
{
dst[i] = zmw_rx_buf_readb(dev, buf, offset+i);
}
}
#if 1
void zfMemoryCopy(u8_t* dst, u8_t* src, u16_t length)
{
zfwMemoryCopy(dst, src, length);
}
void zfMemoryMove(u8_t* dst, u8_t* src, u16_t length)
{
zfwMemoryMove(dst, src, length);
}
void zfZeroMemory(u8_t* va, u16_t length)
{
zfwZeroMemory(va, length);
}
u8_t zfMemoryIsEqual(u8_t* m1, u8_t* m2, u16_t length)
{
return zfwMemoryIsEqual(m1, m2, length);
}
#endif
u8_t zfRxBufferEqualToStr(zdev_t* dev, zbuf_t* buf,
const u8_t* str, u16_t offset, u16_t length)
{
u16_t i;
u8_t ch;
for(i=0; i<length; i++)
{
ch = zmw_rx_buf_readb(dev, buf, offset+i);
if ( ch != str[i] )
{
return FALSE;
}
}
return TRUE;
}
void zfTxBufferCopy(zdev_t*dev, zbuf_t* dst, zbuf_t* src,
u16_t dstOffset, u16_t srcOffset, u16_t length)
{
u16_t i;
for(i=0; i<length; i++)
{
zmw_tx_buf_writeb(dev, dst, dstOffset+i,
zmw_tx_buf_readb(dev, src, srcOffset+i));
}
}
void zfRxBufferCopy(zdev_t*dev, zbuf_t* dst, zbuf_t* src,
u16_t dstOffset, u16_t srcOffset, u16_t length)
{
u16_t i;
for(i=0; i<length; i++)
{
zmw_rx_buf_writeb(dev, dst, dstOffset+i,
zmw_rx_buf_readb(dev, src, srcOffset+i));
}
}
void zfCollectHWTally(zdev_t*dev, u32_t* rsp, u8_t id)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (id == 0)
{
wd->commTally.Hw_UnderrunCnt += (0xFFFF & rsp[1]);
wd->commTally.Hw_TotalRxFrm += rsp[2];
wd->commTally.Hw_CRC32Cnt += rsp[3];
wd->commTally.Hw_CRC16Cnt += rsp[4];
#ifdef ZM_ENABLE_NATIVE_WIFI
/* These code are here to satisfy Vista DTM */
wd->commTally.Hw_DecrypErr_UNI += ((rsp[5]>50) && (rsp[5]<60))?50:rsp[5];
#else
wd->commTally.Hw_DecrypErr_UNI += rsp[5];
#endif
wd->commTally.Hw_RxFIFOOverrun += rsp[6];
wd->commTally.Hw_DecrypErr_Mul += rsp[7];
wd->commTally.Hw_RetryCnt += rsp[8];
wd->commTally.Hw_TotalTxFrm += rsp[9];
wd->commTally.Hw_RxTimeOut +=rsp[10];
wd->commTally.Tx_MPDU += rsp[11];
wd->commTally.BA_Fail += rsp[12];
wd->commTally.Hw_Tx_AMPDU += rsp[13];
wd->commTally.Hw_Tx_MPDU += rsp[14];
wd->commTally.RateCtrlTxMPDU += rsp[11];
wd->commTally.RateCtrlBAFail += rsp[12];
}
else
{
wd->commTally.Hw_RxMPDU += rsp[1];
wd->commTally.Hw_RxDropMPDU += rsp[2];
wd->commTally.Hw_RxDelMPDU += rsp[3];
wd->commTally.Hw_RxPhyMiscError += rsp[4];
wd->commTally.Hw_RxPhyXRError += rsp[5];
wd->commTally.Hw_RxPhyOFDMError += rsp[6];
wd->commTally.Hw_RxPhyCCKError += rsp[7];
wd->commTally.Hw_RxPhyHTError += rsp[8];
wd->commTally.Hw_RxPhyTotalCount += rsp[9];
}
zmw_leave_critical_section(dev);
if (id == 0)
{
zm_msg1_mm(ZM_LV_1, "rsplen =", rsp[0]);
zm_msg1_mm(ZM_LV_1, "Hw_UnderrunCnt = ", (0xFFFF & rsp[1]));
zm_msg1_mm(ZM_LV_1, "Hw_TotalRxFrm = ", rsp[2]);
zm_msg1_mm(ZM_LV_1, "Hw_CRC32Cnt = ", rsp[3]);
zm_msg1_mm(ZM_LV_1, "Hw_CRC16Cnt = ", rsp[4]);
zm_msg1_mm(ZM_LV_1, "Hw_DecrypErr_UNI = ", rsp[5]);
zm_msg1_mm(ZM_LV_1, "Hw_RxFIFOOverrun = ", rsp[6]);
zm_msg1_mm(ZM_LV_1, "Hw_DecrypErr_Mul = ", rsp[7]);
zm_msg1_mm(ZM_LV_1, "Hw_RetryCnt = ", rsp[8]);
zm_msg1_mm(ZM_LV_1, "Hw_TotalTxFrm = ", rsp[9]);
zm_msg1_mm(ZM_LV_1, "Hw_RxTimeOut = ", rsp[10]);
zm_msg1_mm(ZM_LV_1, "Tx_MPDU = ", rsp[11]);
zm_msg1_mm(ZM_LV_1, "BA_Fail = ", rsp[12]);
zm_msg1_mm(ZM_LV_1, "Hw_Tx_AMPDU = ", rsp[13]);
zm_msg1_mm(ZM_LV_1, "Hw_Tx_MPDU = ", rsp[14]);
}
else
{
zm_msg1_mm(ZM_LV_1, "rsplen = ", rsp[0]);
zm_msg1_mm(ZM_LV_1, "Hw_RxMPDU = ", (0xFFFF & rsp[1]));
zm_msg1_mm(ZM_LV_1, "Hw_RxDropMPDU = ", rsp[2]);
zm_msg1_mm(ZM_LV_1, "Hw_RxDelMPDU = ", rsp[3]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyMiscError = ", rsp[4]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyXRError = ", rsp[5]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyOFDMError = ", rsp[6]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyCCKError = ", rsp[7]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyHTError = ", rsp[8]);
zm_msg1_mm(ZM_LV_1, "Hw_RxPhyTotalCount = ", rsp[9]);
}
}
/* Timer related functions */
void zfTimerInit(zdev_t* dev)
{
u8_t i;
zmw_get_wlan_dev(dev);
zm_debug_msg0("");
wd->timerList.freeCount = ZM_MAX_TIMER_COUNT;
wd->timerList.head = &(wd->timerList.list[0]);
wd->timerList.tail = &(wd->timerList.list[ZM_MAX_TIMER_COUNT-1]);
wd->timerList.head->pre = NULL;
wd->timerList.head->next = &(wd->timerList.list[1]);
wd->timerList.tail->pre = &(wd->timerList.list[ZM_MAX_TIMER_COUNT-2]);
wd->timerList.tail->next = NULL;
for( i=1; i<(ZM_MAX_TIMER_COUNT-1); i++ )
{
wd->timerList.list[i].pre = &(wd->timerList.list[i-1]);
wd->timerList.list[i].next = &(wd->timerList.list[i+1]);
}
wd->bTimerReady = TRUE;
}
u16_t zfTimerSchedule(zdev_t* dev, u16_t event, u32_t tick)
{
struct zsTimerEntry *pFreeEntry;
struct zsTimerEntry *pEntry;
u8_t i, count;
zmw_get_wlan_dev(dev);
if ( wd->timerList.freeCount == 0 )
{
zm_debug_msg0("no more timer");
return 1;
}
//zm_debug_msg2("event = ", event);
//zm_debug_msg1("target tick = ", wd->tick + tick);
count = ZM_MAX_TIMER_COUNT - wd->timerList.freeCount;
if ( count == 0 )
{
wd->timerList.freeCount--;
wd->timerList.head->event = event;
wd->timerList.head->timer = wd->tick + tick;
//zm_debug_msg1("free timer count = ", wd->timerList.freeCount);
return 0;
}
pFreeEntry = wd->timerList.tail;
pFreeEntry->timer = wd->tick + tick;
pFreeEntry->event = event;
wd->timerList.tail = pFreeEntry->pre;
pEntry = wd->timerList.head;
for( i=0; i<count; i++ )
{
// prevent from the case of tick overflow
if ( ( pEntry->timer > pFreeEntry->timer )&&
((pEntry->timer - pFreeEntry->timer) < 1000000000) )
{
if ( i != 0 )
{
pFreeEntry->pre = pEntry->pre;
pFreeEntry->pre->next = pFreeEntry;
}
else
{
pFreeEntry->pre = NULL;
}
pEntry->pre = pFreeEntry;
pFreeEntry->next = pEntry;
break;
}
pEntry = pEntry->next;
}
if ( i == 0 )
{
wd->timerList.head = pFreeEntry;
}
if ( i == count )
{
pFreeEntry->pre = pEntry->pre;
pFreeEntry->pre->next = pFreeEntry;
pEntry->pre = pFreeEntry;
pFreeEntry->next = pEntry;
}
wd->timerList.freeCount--;
//zm_debug_msg1("free timer count = ", wd->timerList.freeCount);
return 0;
}
u16_t zfTimerCancel(zdev_t* dev, u16_t event)
{
struct zsTimerEntry *pEntry;
u8_t i, count;
zmw_get_wlan_dev(dev);
//zm_debug_msg2("event = ", event);
//zm_debug_msg1("free timer count(b) = ", wd->timerList.freeCount);
pEntry = wd->timerList.head;
count = ZM_MAX_TIMER_COUNT - wd->timerList.freeCount;
for( i=0; i<count; i++ )
{
if ( pEntry->event == event )
{
if ( pEntry == wd->timerList.head )
{ /* remove head entry */
wd->timerList.head = pEntry->next;
wd->timerList.tail->next = pEntry;
pEntry->pre = wd->timerList.tail;
wd->timerList.tail = pEntry;
pEntry = wd->timerList.head;
}
else
{ /* remove non-head entry */
pEntry->pre->next = pEntry->next;
pEntry->next->pre = pEntry->pre;
wd->timerList.tail->next = pEntry;
pEntry->pre = wd->timerList.tail;
wd->timerList.tail = pEntry;
pEntry = pEntry->next;
}
wd->timerList.freeCount++;
}
else
{
pEntry = pEntry->next;
}
}
//zm_debug_msg1("free timer count(a) = ", wd->timerList.freeCount);
return 0;
}
void zfTimerClear(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
wd->timerList.freeCount = ZM_MAX_TIMER_COUNT;
}
u16_t zfTimerCheckAndHandle(zdev_t* dev)
{
struct zsTimerEntry *pEntry;
struct zsTimerEntry *pTheLastEntry = NULL;
u16_t event[ZM_MAX_TIMER_COUNT];
u8_t i, j=0, count;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
if ( !wd->bTimerReady )
{
return 0;
}
zmw_enter_critical_section(dev);
pEntry = wd->timerList.head;
count = ZM_MAX_TIMER_COUNT - wd->timerList.freeCount;
for( i=0; i<count; i++ )
{
// prevent from the case of tick overflow
if ( ( pEntry->timer > wd->tick )&&
((pEntry->timer - wd->tick) < 1000000000) )
{
break;
}
event[j++] = pEntry->event;
pTheLastEntry = pEntry;
pEntry = pEntry->next;
}
if ( j > 0 )
{
wd->timerList.tail->next = wd->timerList.head;
wd->timerList.head->pre = wd->timerList.tail;
wd->timerList.head = pEntry;
wd->timerList.tail = pTheLastEntry;
wd->timerList.freeCount += j;
//zm_debug_msg1("free timer count = ", wd->timerList.freeCount);
}
zmw_leave_critical_section(dev);
zfProcessEvent(dev, event, j);
return 0;
}
u32_t zfCoreSetKey(zdev_t* dev, u8_t user, u8_t keyId, u8_t type,
u16_t* mac, u32_t* key)
{
u32_t ret;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
wd->sta.flagKeyChanging++;
zm_debug_msg1(" zfCoreSetKey++++ ", wd->sta.flagKeyChanging);
zmw_leave_critical_section(dev);
ret = zfHpSetKey(dev, user, keyId, type, mac, key);
return ret;
}
void zfCoreSetKeyComplete(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
#if 0
wd->sta.flagKeyChanging = 0;
#else
if(wd->sta.flagKeyChanging)
{
zmw_enter_critical_section(dev);
wd->sta.flagKeyChanging--;
zmw_leave_critical_section(dev);
}
#endif
zm_debug_msg1(" zfCoreSetKeyComplete--- ", wd->sta.flagKeyChanging);
zfPushVtxq(dev);
}
void zfCoreHalInitComplete(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
wd->halState = ZM_HAL_STATE_RUNNING;
zmw_leave_critical_section(dev);
zfPushVtxq(dev);
}
void zfCoreMacAddressNotify(zdev_t* dev, u8_t* addr)
{
zmw_get_wlan_dev(dev);
wd->macAddr[0] = addr[0] | ((u16_t)addr[1]<<8);
wd->macAddr[1] = addr[2] | ((u16_t)addr[3]<<8);
wd->macAddr[2] = addr[4] | ((u16_t)addr[5]<<8);
//zfHpSetMacAddress(dev, wd->macAddr, 0);
if (wd->zfcbMacAddressNotify != NULL)
{
wd->zfcbMacAddressNotify(dev, addr);
}
}
void zfCoreSetIsoName(zdev_t* dev, u8_t* isoName)
{
zmw_get_wlan_dev(dev);
wd->ws.countryIsoName[0] = isoName[0];
wd->ws.countryIsoName[1] = isoName[1];
wd->ws.countryIsoName[2] = '\0';
}
extern void zfScanMgrScanEventStart(zdev_t* dev);
extern u8_t zfScanMgrScanEventTimeout(zdev_t* dev);
extern void zfScanMgrScanEventRetry(zdev_t* dev);
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);
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;
}
}
}
void zfBssInfoCreate(zdev_t* dev)
{
u8_t i;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
wd->sta.bssList.bssCount = 0;
wd->sta.bssList.head = NULL;
wd->sta.bssList.tail = NULL;
wd->sta.bssInfoArrayHead = 0;
wd->sta.bssInfoArrayTail = 0;
wd->sta.bssInfoFreeCount = ZM_MAX_BSS;
for( i=0; i< ZM_MAX_BSS; i++ )
{
//wd->sta.bssInfoArray[i] = &(wd->sta.bssInfoPool[i]);
wd->sta.bssInfoArray[i] = zfwMemAllocate(dev, sizeof(struct zsBssInfo));
}
zmw_leave_critical_section(dev);
}
void zfBssInfoDestroy(zdev_t* dev)
{
u8_t i;
zmw_get_wlan_dev(dev);
zfBssInfoRefresh(dev, 1);
for( i=0; i< ZM_MAX_BSS; i++ )
{
if (wd->sta.bssInfoArray[i] != NULL)
{
zfwMemFree(dev, wd->sta.bssInfoArray[i], sizeof(struct zsBssInfo));
}
else
{
zm_assert(0);
}
}
return;
}
struct zsBssInfo* zfBssInfoAllocate(zdev_t* dev)
{
struct zsBssInfo* pBssInfo;
zmw_get_wlan_dev(dev);
if (wd->sta.bssInfoFreeCount == 0)
return NULL;
pBssInfo = wd->sta.bssInfoArray[wd->sta.bssInfoArrayHead];
wd->sta.bssInfoArray[wd->sta.bssInfoArrayHead] = NULL;
wd->sta.bssInfoArrayHead = (wd->sta.bssInfoArrayHead + 1) & (ZM_MAX_BSS - 1);
wd->sta.bssInfoFreeCount--;
zfZeroMemory((u8_t*)pBssInfo, sizeof(struct zsBssInfo));
return pBssInfo;
}
void zfBssInfoFree(zdev_t* dev, struct zsBssInfo* pBssInfo)
{
zmw_get_wlan_dev(dev);
zm_assert(wd->sta.bssInfoArray[wd->sta.bssInfoArrayTail] == NULL);
pBssInfo->signalStrength = pBssInfo->signalQuality = 0;
pBssInfo->sortValue = 0;
wd->sta.bssInfoArray[wd->sta.bssInfoArrayTail] = pBssInfo;
wd->sta.bssInfoArrayTail = (wd->sta.bssInfoArrayTail + 1) & (ZM_MAX_BSS - 1);
wd->sta.bssInfoFreeCount++;
}
void zfBssInfoReorderList(zdev_t* dev)
{
struct zsBssInfo* pBssInfo = NULL;
struct zsBssInfo* pInsBssInfo = NULL;
struct zsBssInfo* pNextBssInfo = NULL;
struct zsBssInfo* pPreBssInfo = NULL;
u8_t i = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (wd->sta.bssList.bssCount > 1)
{
pInsBssInfo = wd->sta.bssList.head;
wd->sta.bssList.tail = pInsBssInfo;
pBssInfo = pInsBssInfo->next;
pInsBssInfo->next = NULL;
while (pBssInfo != NULL)
{
i = 0;
while (1)
{
// if (pBssInfo->signalStrength >= pInsBssInfo->signalStrength)
if( pBssInfo->sortValue >= pInsBssInfo->sortValue)
{
if (i==0)
{
//Insert BssInfo to head
wd->sta.bssList.head = pBssInfo;
pNextBssInfo = pBssInfo->next;
pBssInfo->next = pInsBssInfo;
break;
}
else
{
//Insert BssInfo to neither head nor tail
pPreBssInfo->next = pBssInfo;
pNextBssInfo = pBssInfo->next;
pBssInfo->next = pInsBssInfo;
break;
}
}
else
{
if (pInsBssInfo->next != NULL)
{
//Signal strength smaller than current BssInfo, check next
pPreBssInfo = pInsBssInfo;
pInsBssInfo = pInsBssInfo->next;
}
else
{
//Insert BssInfo to tail
pInsBssInfo->next = pBssInfo;
pNextBssInfo = pBssInfo->next;
wd->sta.bssList.tail = pBssInfo;
pBssInfo->next = NULL;
break;
}
}
i++;
}
pBssInfo = pNextBssInfo;
pInsBssInfo = wd->sta.bssList.head;
}
} //if (wd->sta.bssList.bssCount > 1)
zmw_leave_critical_section(dev);
}
void zfBssInfoInsertToList(zdev_t* dev, struct zsBssInfo* pBssInfo)
{
zmw_get_wlan_dev(dev);
zm_assert(pBssInfo);
//zm_debug_msg2("pBssInfo = ", pBssInfo);
if ( wd->sta.bssList.bssCount == 0 )
{
wd->sta.bssList.head = pBssInfo;
wd->sta.bssList.tail = pBssInfo;
}
else
{
wd->sta.bssList.tail->next = pBssInfo;
wd->sta.bssList.tail = pBssInfo;
}
pBssInfo->next = NULL;
wd->sta.bssList.bssCount++;
//zm_debug_msg2("bss count = ", wd->sta.bssList.bssCount);
}
void zfBssInfoRemoveFromList(zdev_t* dev, struct zsBssInfo* pBssInfo)
{
struct zsBssInfo* pNowBssInfo;
struct zsBssInfo* pPreBssInfo = NULL;
u8_t i;
zmw_get_wlan_dev(dev);
zm_assert(pBssInfo);
zm_assert(wd->sta.bssList.bssCount);
//zm_debug_msg2("pBssInfo = ", pBssInfo);
pNowBssInfo = wd->sta.bssList.head;
for( i=0; i<wd->sta.bssList.bssCount; i++ )
{
if ( pNowBssInfo == pBssInfo )
{
if ( i == 0 )
{ /* remove head */
wd->sta.bssList.head = pBssInfo->next;
}
else
{
pPreBssInfo->next = pBssInfo->next;
}
if ( i == (wd->sta.bssList.bssCount - 1) )
{ /* remove tail */
wd->sta.bssList.tail = pPreBssInfo;
}
break;
}
pPreBssInfo = pNowBssInfo;
pNowBssInfo = pNowBssInfo->next;
}
zm_assert(i != wd->sta.bssList.bssCount);
wd->sta.bssList.bssCount--;
//zm_debug_msg2("bss count = ", wd->sta.bssList.bssCount);
}
void zfBssInfoRefresh(zdev_t* dev, u16_t mode)
{
struct zsBssInfo* pBssInfo;
struct zsBssInfo* pNextBssInfo;
u8_t i, bssCount;
zmw_get_wlan_dev(dev);
pBssInfo = wd->sta.bssList.head;
bssCount = wd->sta.bssList.bssCount;
for( i=0; i<bssCount; i++ )
{
if (mode == 1)
{
pNextBssInfo = pBssInfo->next;
zfBssInfoRemoveFromList(dev, pBssInfo);
zfBssInfoFree(dev, pBssInfo);
pBssInfo = pNextBssInfo;
}
else
{
if ( pBssInfo->flag & ZM_BSS_INFO_VALID_BIT )
{ /* this one must be kept */
pBssInfo->flag &= ~ZM_BSS_INFO_VALID_BIT;
pBssInfo = pBssInfo->next;
}
else
{
#define ZM_BSS_CACHE_TIME_IN_MS 20000
if ((wd->tick - pBssInfo->tick) > (ZM_BSS_CACHE_TIME_IN_MS/ZM_MS_PER_TICK))
{
pNextBssInfo = pBssInfo->next;
zfBssInfoRemoveFromList(dev, pBssInfo);
zfBssInfoFree(dev, pBssInfo);
pBssInfo = pNextBssInfo;
}
else
{
pBssInfo = pBssInfo->next;
}
}
}
} //for( i=0; i<bssCount; i++ )
return;
}
void zfDumpSSID(u8_t length, u8_t *value)
{
u8_t buf[50];
u8_t tmpLength = length;
if ( tmpLength > 49 )
{
tmpLength = 49;
}
zfMemoryCopy(buf, value, tmpLength);
buf[tmpLength] = '\0';
//printk("SSID: %s\n", buf);
//zm_debug_msg_s("ssid = ", value);
}
void zfCoreReinit(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
wd->sta.flagKeyChanging = 0;
wd->sta.flagFreqChanging = 0;
}
void zfGenerateRandomBSSID(zdev_t* dev, u8_t *MACAddr, u8_t *BSSID)
{
//ULONGLONG time;
u32_t time;
zmw_get_wlan_dev(dev);
time = wd->tick;
//
// Initialize the random BSSID to be the same as MAC address.
//
// RtlCopyMemory(BSSID, MACAddr, sizeof(DOT11_MAC_ADDRESS));
zfMemoryCopy(BSSID, MACAddr, 6);
//
// Get the system time in 10 millisecond.
//
// NdisGetCurrentSystemTime((PLARGE_INTEGER)&time);
// time /= 100000;
//
// Randomize the first 4 bytes of BSSID.
//
BSSID[0] ^= (u8_t)(time & 0xff);
BSSID[0] &= ~0x01; // Turn off multicast bit
BSSID[0] |= 0x02; // Turn on local bit
time >>= 8;
BSSID[1] ^= (u8_t)(time & 0xff);
time >>= 8;
BSSID[2] ^= (u8_t)(time & 0xff);
time >>= 8;
BSSID[3] ^= (u8_t)(time & 0xff);
}
u8_t zfiWlanGetDestAddrFromBuf(zdev_t *dev, zbuf_t *buf, u16_t *macAddr)
{
#ifdef ZM_ENABLE_NATIVE_WIFI
zmw_get_wlan_dev(dev);
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
/* DA */
macAddr[0] = zmw_tx_buf_readh(dev, buf, 16);
macAddr[1] = zmw_tx_buf_readh(dev, buf, 18);
macAddr[2] = zmw_tx_buf_readh(dev, buf, 20);
}
else if ( wd->wlanMode == ZM_MODE_IBSS )
{
/* DA */
macAddr[0] = zmw_tx_buf_readh(dev, buf, 4);
macAddr[1] = zmw_tx_buf_readh(dev, buf, 6);
macAddr[2] = zmw_tx_buf_readh(dev, buf, 8);
}
else if ( wd->wlanMode == ZM_MODE_AP )
{
/* DA */
macAddr[0] = zmw_tx_buf_readh(dev, buf, 4);
macAddr[1] = zmw_tx_buf_readh(dev, buf, 6);
macAddr[2] = zmw_tx_buf_readh(dev, buf, 8);
}
else
{
return 1;
}
#else
/* DA */
macAddr[0] = zmw_tx_buf_readh(dev, buf, 0);
macAddr[1] = zmw_tx_buf_readh(dev, buf, 2);
macAddr[2] = zmw_tx_buf_readh(dev, buf, 4);
#endif
return 0;
}
/* Leave an empty line below to remove warning message on some compiler */
u16_t zfFindCleanFrequency(zdev_t* dev, u32_t adhocMode)
{
u8_t i, j;
u16_t returnChannel;
u16_t count_24G = 0, min24GIndex = 0;
u16_t count_5G = 0, min5GIndex = 0;
u16_t CombinationBssNumberIn24G[15] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
u16_t BssNumberIn24G[17] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
u16_t Array_24G[15] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
u16_t BssNumberIn5G[31] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
u16_t Array_5G[31] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
struct zsBssInfo* pBssInfo;
zmw_get_wlan_dev(dev);
if ((pBssInfo = wd->sta.bssList.head) == NULL)
{
if( adhocMode == ZM_ADHOCBAND_B || adhocMode == ZM_ADHOCBAND_G ||
adhocMode == ZM_ADHOCBAND_BG || adhocMode == ZM_ADHOCBAND_ABG )
{
returnChannel = zfChGetFirst2GhzChannel(dev);
}
else
{
returnChannel = zfChGetFirst5GhzChannel(dev);
}
return returnChannel;
}
/* #1 Get Allowed Channel following Country Code ! */
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for (i = 0; i < wd->regulationTable.allowChannelCnt; i++)
{
if (wd->regulationTable.allowChannel[i].channel < 3000)
{ // 2.4GHz
Array_24G[count_24G] = wd->regulationTable.allowChannel[i].channel;
count_24G++;
}
else
{ // 5GHz
count_5G++;
Array_5G[i] = wd->regulationTable.allowChannel[i].channel;
}
}
zmw_leave_critical_section(dev);
while( pBssInfo != NULL )
{
/* #2_1 Count BSS number in some specificed frequency in 2.4GHz band ! */
if( adhocMode == ZM_ADHOCBAND_B || adhocMode == ZM_ADHOCBAND_G ||
adhocMode == ZM_ADHOCBAND_BG || adhocMode == ZM_ADHOCBAND_ABG )
{
for( i=0; i<=(count_24G+3); i++ )
{
if( pBssInfo->frequency == Array_24G[i] )
{ // Array_24G[0] correspond to BssNumberIn24G[2]
BssNumberIn24G[pBssInfo->channel+1]++;
}
}
}
/* #2_2 Count BSS number in some specificed frequency in 5GHz band ! */
if( adhocMode == ZM_ADHOCBAND_A || adhocMode == ZM_ADHOCBAND_ABG )
{
for( i=0; i<count_5G; i++ )
{ // 5GHz channel is not equal to array index
if( pBssInfo->frequency == Array_5G[i] )
{ // Array_5G[0] correspond to BssNumberIn5G[0]
BssNumberIn5G[i]++;
}
}
}
pBssInfo = pBssInfo->next;
}
#if 0
for(i=0; i<=(count_24G+3); i++)
{
printk("2.4GHz Before combin, %d BSS network : %d", i, BssNumberIn24G[i]);
}
for(i=0; i<count_5G; i++)
{
printk("5GHz Before combin, %d BSS network : %d", i, BssNumberIn5G[i]);
}
#endif
if( adhocMode == ZM_ADHOCBAND_B || adhocMode == ZM_ADHOCBAND_G ||
adhocMode == ZM_ADHOCBAND_BG || adhocMode == ZM_ADHOCBAND_ABG )
{
/* #3_1 Count BSS number that influence the specificed frequency in 2.4GHz ! */
for( j=0; j<count_24G; j++ )
{
CombinationBssNumberIn24G[j] = BssNumberIn24G[j] + BssNumberIn24G[j+1] +
BssNumberIn24G[j+2] + BssNumberIn24G[j+3] +
BssNumberIn24G[j+4];
//printk("After combine, the number of BSS network channel %d is %d",
// j , CombinationBssNumberIn24G[j]);
}
/* #4_1 Find the less utilized frequency in 2.4GHz band ! */
min24GIndex = zfFindMinimumUtilizationChannelIndex(dev, CombinationBssNumberIn24G, count_24G);
}
/* #4_2 Find the less utilized frequency in 5GHz band ! */
if( adhocMode == ZM_ADHOCBAND_A || adhocMode == ZM_ADHOCBAND_ABG )
{
min5GIndex = zfFindMinimumUtilizationChannelIndex(dev, BssNumberIn5G, count_5G);
}
if( adhocMode == ZM_ADHOCBAND_B || adhocMode == ZM_ADHOCBAND_G || adhocMode == ZM_ADHOCBAND_BG )
{
return Array_24G[min24GIndex];
}
else if( adhocMode == ZM_ADHOCBAND_A )
{
return Array_5G[min5GIndex];
}
else if( adhocMode == ZM_ADHOCBAND_ABG )
{
if ( CombinationBssNumberIn24G[min24GIndex] <= BssNumberIn5G[min5GIndex] )
return Array_24G[min24GIndex];
else
return Array_5G[min5GIndex];
}
else
return 2412;
}
u16_t zfFindMinimumUtilizationChannelIndex(zdev_t* dev, u16_t* array, u16_t count)
{
u8_t i;
u16_t tempMinIndex, tempMinValue;
zmw_get_wlan_dev(dev);
i = 1;
tempMinIndex = 0;
tempMinValue = array[tempMinIndex];
while( i< count )
{
if( array[i] < tempMinValue )
{
tempMinValue = array[i];
tempMinIndex = i;
}
i++;
}
return tempMinIndex;
}
u8_t zfCompareWithBssid(zdev_t* dev, u16_t* bssid)
{
zmw_get_wlan_dev(dev);
if ( zfMemoryIsEqual((u8_t*)bssid, (u8_t*)wd->sta.bssid, 6) )
{
return 1;
}
else
{
return 0;
}
}