diff options
Diffstat (limited to 'drivers/staging/otus/80211core/cfunc.c')
| -rw-r--r-- | drivers/staging/otus/80211core/cfunc.c | 1227 |
1 files changed, 1227 insertions, 0 deletions
diff --git a/drivers/staging/otus/80211core/cfunc.c b/drivers/staging/otus/80211core/cfunc.c new file mode 100644 index 000000000000..d7c49d7523df --- /dev/null +++ b/drivers/staging/otus/80211core/cfunc.c @@ -0,0 +1,1227 @@ +/* + * 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; + } +} |