diff options
Diffstat (limited to 'wl1271/stad/src/Application/roamingMngr.c')
| -rw-r--r-- | wl1271/stad/src/Application/roamingMngr.c | 1366 |
1 files changed, 0 insertions, 1366 deletions
diff --git a/wl1271/stad/src/Application/roamingMngr.c b/wl1271/stad/src/Application/roamingMngr.c deleted file mode 100644 index c5939d5..0000000 --- a/wl1271/stad/src/Application/roamingMngr.c +++ /dev/null @@ -1,1366 +0,0 @@ -/* - * roamingMngr.c - * - * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Texas Instruments nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** \file roamingMngr.c - * \brief Roaming Manager - * - * \see roamingMngrApi.h - */ - -/**************************************************************************** - * * - * MODULE: Roaming Manager * - * PURPOSE: * - * Roaming manager is responsible to receive Roaming triggers and try - * to select a better AP. - * The Roaming triggers are: Low RSSI, PER, consecutive No ACK on TX, - * beacon Missed or External request. - * In each Internal Roaming request, scan is performed and selection for - * better AP. Better AP is defined as a different AP with better RSSI, - * and similar SSID and security settings. - * If better AP is found, there is a check for fast-roaming via the - * Supplicant. Then connection to the new AP is invoked. - * * - ****************************************************************************/ - -#define __FILE_ID__ FILE_ID_8 -#include "osApi.h" - -#include "paramOut.h" -#include "report.h" -#include "fsm.h" -#include "GenSM.h" -#include "scanMngrApi.h" -#include "roamingMngrApi.h" -#include "apConnApi.h" -#include "roamingMngrTypes.h" -#include "bssTypes.h" -#include "DrvMainModules.h" -#include "TWDriver.h" -#include "siteMgrApi.h" -#include "roamingMngr_manualSM.h" -#include "roamingMngr_autoSM.h" -#include "currBss.h" -#include "currBssApi.h" -#include "EvHandler.h" - -/*-----------*/ -/* Constants */ -/*-----------*/ - -/* Init bits */ -#define ROAMING_MNGR_CONTEXT_INIT_BIT 1 -#define ROAMING_MNGR_SM_INIT_BIT 2 - -#define DEFAULT_AP_QUALITY (-70) -#define DEFAULT_LOW_PASS_FILTER (30) -#define DEFAULT_DATA_RETRY_THRESHOLD (20) -#define DEFAULT_LOW_QUALITY_SCAN_COND (-60) -#define DEFAULT_NORMAL_QUALITY_SCAN_COND (-50) -#define DEFAULT_LOW_RSSI (-70) -#define DEFAULT_LOW_SNR (0) -#define DEFAULT_TBTT_4_BSS_LOSS (10) -#define DEFAULT_LOW_TX_RATE (2) - - -/*--------------*/ -/* Enumerations */ -/*--------------*/ - -/*----------*/ -/* Typedefs */ -/*----------*/ - -/*------------*/ -/* Structures */ -/*------------*/ - - -/************** callback funtions called by AP Connection **************/ -/* called when a trigger for Roaming occurs */ -TI_STATUS roamingMngr_triggerRoamingCb(TI_HANDLE hRoamingMngr, void *pData, TI_UINT16 reasonCode); -/* called when CONN status event occurs */ -TI_STATUS roamingMngr_connStatusCb(TI_HANDLE hRoamingMngr, void *pData); -/* called when Neighbor APs is updated */ -TI_STATUS roamingMngr_updateNeighborApListCb(TI_HANDLE hRoamingMngr, void *pData); - -/* internal functions */ -static void roamingMngr_releaseModule(roamingMngr_t *pRoamingMngr, TI_UINT32 initVec); - -#ifdef TI_DBG -/* debug function */ -static void roamingMngr_printStatistics(TI_HANDLE hRoamingMngr); -static void roamingMngr_resetStatistics(TI_HANDLE hRoamingMngr); -#endif - -/** -* -* roamingMngr_releaseModule -* -* \b Description: -* -* Called by the un load function -* Go over the vector, for each bit that is set, release the corresponding module. -* -* \b ARGS: -* -* I - pRoamingMngr - Roaming Manager context \n -* I - initVec - indicates which modules should be released -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* \sa roamingMngr_create -*/ -static void roamingMngr_releaseModule(roamingMngr_t *pRoamingMngr, TI_UINT32 initVec) -{ - - if (pRoamingMngr==NULL) - { - return; - } - if (initVec & (1 << ROAMING_MNGR_SM_INIT_BIT)) - { - genSM_Unload(pRoamingMngr->hRoamingSm); - } - - if (initVec & (1 << ROAMING_MNGR_CONTEXT_INIT_BIT)) - { - os_memoryFree(pRoamingMngr->hOs, pRoamingMngr, sizeof(roamingMngr_t)); - } - - initVec = 0; -} - -/** -* -* roamingMngr_triggerRoamingCb -* -* \b Description: -* -* This procedure is called when Roaming should be triggered - * due to one of apConn_roamingTrigger_e Roaming Reasons. - * Save the trigger and process it only if there's no other Roaming trigger - * in process. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* I - pData - pointer to roaming trigger -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -TI_STATUS roamingMngr_triggerRoamingCb(TI_HANDLE hRoamingMngr, void *pData, TI_UINT16 reasonCode) -{ - roamingMngr_t *pRoamingMngr; - apConn_roamingTrigger_e roamingTrigger; - TI_UINT32 curTimestamp; - TI_UINT16 disConnReasonCode; - - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if ((pRoamingMngr == NULL) || (pData == NULL)) - { - return TI_NOK; - } - - roamingTrigger = *(apConn_roamingTrigger_e *)pData; - - if ((ROAMING_OPERATIONAL_MODE_MANUAL == pRoamingMngr->RoamingOperationalMode) && - (roamingTrigger == ROAMING_TRIGGER_AP_DISCONNECT)) - { - disConnReasonCode = reasonCode; - EvHandlerSendEvent(pRoamingMngr->hEvHandler, IPC_EVENT_AP_DISCONNECT, (TI_UINT8*)&disConnReasonCode, sizeof(disConnReasonCode)); - } - - - if (roamingTrigger >= ROAMING_TRIGGER_LAST) - { - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_triggerRoamingCb, bad roaming trigger = %d\n", roamingTrigger); - return TI_NOK; - } -#ifdef TI_DBG - /* save parameters for debug*/ - pRoamingMngr->roamingTriggerEvents[pRoamingMngr->roamingTrigger]++; -#endif - if (roamingTrigger <= ROAMING_TRIGGER_BG_SCAN_GROUP) - { - TI_BOOL lowQuality = TI_FALSE; - if (roamingTrigger == ROAMING_TRIGGER_LOW_QUALITY_FOR_BG_SCAN) - { - lowQuality = TI_TRUE; - } - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_triggerRoamingCb, lowQuality = %d \n", lowQuality); - scanMngr_qualityChangeTrigger(pRoamingMngr->hScanMngr, lowQuality); - } - else - { - if (roamingTrigger > pRoamingMngr->roamingTrigger) - { /* Save the highest priority roaming trigger */ - pRoamingMngr->roamingTrigger = roamingTrigger; - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_triggerRoamingCb, higher trigger = %d \n", roamingTrigger); - - } - - curTimestamp = os_timeStampMs(pRoamingMngr->hOs); - - /* If "No BSS" trigger received, disable count of low pass filter timer */ - if (roamingTrigger > ROAMING_TRIGGER_LOW_QUALITY_GROUP) - { - pRoamingMngr->lowQualityTriggerTimestamp = 0; - } - - /* Do not invoke a new Roaming Trigger when a previous one is in process */ - if (pRoamingMngr->maskRoamingEvents == TI_FALSE) - { /* No Roaming trigger is in process */ - /* If the trigger is low quality check the low pass filter */ - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_triggerRoamingCb, trigger = %d \n", roamingTrigger); - if (roamingTrigger <= ROAMING_TRIGGER_LOW_QUALITY_GROUP) - { - TI_UINT32 deltaTs = curTimestamp-pRoamingMngr->lowQualityTriggerTimestamp; - - if ((pRoamingMngr->lowQualityTriggerTimestamp != 0) && - (deltaTs < pRoamingMngr->lowPassFilterRoamingAttemptInMsec)) - { /* Ignore the low quality events. till the low pass time elapses */ - TRACE5(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_triggerRoamingCb, trigger = %d Ignored!!,deltaTs=%d, curTimestamp = %d, lowQualityTriggerTimestamp = %d, lowPassFilterRoamingAttempt=%d\n", roamingTrigger, deltaTs, curTimestamp, pRoamingMngr->lowQualityTriggerTimestamp, pRoamingMngr->lowPassFilterRoamingAttemptInMsec); - return TI_OK; - } - pRoamingMngr->lowQualityTriggerTimestamp = curTimestamp; - } - - /* Mask all future roaming events */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - -#ifdef TI_DBG - /* For debug */ - pRoamingMngr->roamingTriggerTimestamp = curTimestamp; -#endif - return (roamingMngr_smEvent(ROAMING_EVENT_ROAM_TRIGGER, pRoamingMngr)); - } - else if (roamingTrigger > ROAMING_TRIGGER_FAST_CONNECT_GROUP) - { /* If the trigger is from the Full Connect group, then stop the connection. */ - return (roamingMngr_smEvent(ROAMING_EVENT_ROAM_TRIGGER, pRoamingMngr)); - - } - } - - return TI_OK; -} - -/** -* -* roamingMngr_connStatusCb -* -* \b Description: -* -* This procedure is called when the connection status event - * is triggered. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* I - pData - pointer to the connection status. -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -TI_STATUS roamingMngr_connStatusCb(TI_HANDLE hRoamingMngr, void *pData) -{ - roamingMngr_t *pRoamingMngr; - apConn_connStatus_e connStatus; - roamingMngr_smEvents roamingEvent; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if ((pRoamingMngr == NULL) || (pData == NULL)) - { - return TI_NOK; - } - - connStatus = ((apConn_connStatus_t *)pData)->status; - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_connStatusCb, conn status = %d\n", connStatus); - - if (!pRoamingMngr->roamingMngrConfig.enableDisable) - { - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_connStatusCb, connStatus=%d was received while Roaming is disabled. Stop Roaming \n", connStatus); - return TI_NOK; - } - - if (ROAMING_OPERATIONAL_MODE_AUTO == pRoamingMngr->RoamingOperationalMode) - { - switch (connStatus) - { - case CONN_STATUS_CONNECTED: roamingEvent = ROAMING_EVENT_START; - /* Get station capabilities */ - apConn_getStaCapabilities(pRoamingMngr->hAPConnection, &pRoamingMngr->staCapabilities); - break; - case CONN_STATUS_NOT_CONNECTED: roamingEvent = ROAMING_EVENT_STOP; - break; - case CONN_STATUS_HANDOVER_SUCCESS: roamingEvent = ROAMING_EVENT_ROAM_SUCCESS; -#ifdef TI_DBG - /* For debug */ - pRoamingMngr->roamingSuccesfulHandoverNum++; - pRoamingMngr->roamingHandoverCompletedTimestamp = os_timeStampMs(pRoamingMngr->hOs); - pRoamingMngr->roamingAverageSuccHandoverDuration += os_timeStampMs(pRoamingMngr->hOs)-pRoamingMngr->roamingHandoverStartedTimestamp; - pRoamingMngr->roamingAverageRoamingDuration += os_timeStampMs(pRoamingMngr->hOs)-pRoamingMngr->roamingTriggerTimestamp; - pRoamingMngr->roamingHandoverEvents[pRoamingMngr->roamingTrigger]++; -#endif - break; - case CONN_STATUS_HANDOVER_FAILURE: roamingEvent = ROAMING_EVENT_REQ_HANDOVER; -#ifdef TI_DBG - /* For debug */ - pRoamingMngr->roamingFailedHandoverNum++; -#endif - break; - default: - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_connStatusCb, bad connStatus = %d\n", connStatus); - return TI_NOK; - } - } - else /* Roaming Manual operational mode*/ - { - switch (connStatus) - { - case CONN_STATUS_CONNECTED: - roamingEvent = (roamingMngr_smEvents)ROAMING_MANUAL_EVENT_START; - apConn_getStaCapabilities(pRoamingMngr->hAPConnection,&pRoamingMngr->staCapabilities); - break; - case CONN_STATUS_NOT_CONNECTED: - roamingEvent = (roamingMngr_smEvents)ROAMING_MANUAL_EVENT_STOP; - break; - case CONN_STATUS_HANDOVER_SUCCESS: - roamingEvent = (roamingMngr_smEvents)ROAMING_MANUAL_EVENT_SUCCESS; - break; - case CONN_STATUS_HANDOVER_FAILURE: - roamingEvent = (roamingMngr_smEvents)ROAMING_MANUAL_EVENT_FAIL; - break; - default: - return TI_NOK; - } - } - - return (roamingMngr_smEvent(roamingEvent, pRoamingMngr)); -} - -/** -* -* roamingMngr_updateNeighborApListCb -* -* \b Description: -* -* This procedure is called when Neighbor AP list is received from the AP. - * Save the list, and set them in Scan Manager object. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* I - pData - pointer to the list of Neighbor APs. -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -TI_STATUS roamingMngr_updateNeighborApListCb(TI_HANDLE hRoamingMngr, void *pData) -{ - roamingMngr_t *pRoamingMngr; - neighborAPList_t *pNeighborAPList; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if ((pRoamingMngr == NULL) || (pData == NULL)) - { - return TI_NOK; - } - - pNeighborAPList = (neighborAPList_t *)pData; - if (pNeighborAPList->numOfEntries>0) - { - pRoamingMngr->neighborApsExist = TI_TRUE; - } - else - { - pRoamingMngr->neighborApsExist = TI_FALSE; - } - - if (pRoamingMngr->roamingMngrConfig.enableDisable) - { - scanMngr_setNeighborAPs (pRoamingMngr->hScanMngr, pNeighborAPList); - } - TRACE2(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_updateNeighborApListCb, numberOfAps = %d, enableDisable=%d\n", pNeighborAPList->numOfEntries, pRoamingMngr->roamingMngrConfig.enableDisable); - - return TI_OK; -} - -/** -* -* roamingMngr_smEvent -* -* \b Description: -* -* Roaming Manager state machine transition function -* -* \b ARGS: -* -* I/O - currentState - current state in the state machine\n -* I - event - specific event for the state machine\n -* I - pData - Data for state machine action function\n -* -* \b RETURNS: -* -* TI_OK on success, TI_NOK otherwise. -* -* \sa -*/ -TI_STATUS roamingMngr_smEvent(TI_UINT8 event, void* data) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)data; - - TRACE3(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smEvent(). Mode(%d) ,currentState = %d, event=%d \n", - pRoamingMngr->RoamingOperationalMode, - *(pRoamingMngr->pCurrentState), - event); - - genSM_Event (pRoamingMngr->hRoamingSm, (TI_UINT32)event, data); - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smEvent(). new State : %d \n", *(pRoamingMngr->pCurrentState)); - - return TI_OK; -} - - - -#ifdef TI_DBG -/** -* -* roamingMngr_debugTrace -* -* \b Description: -* -* This procedure is called for debug only, to trace the roaming triggers and events -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_printStatistics(TI_HANDLE hRoamingMngr) -{ - - - roamingMngr_t *pRoamingMngr; - TI_UINT8 index; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if (pRoamingMngr == NULL) - { - return; - } - - WLAN_OS_REPORT(("******** ROAMING_TRIGGERS ********\n")); - for (index=ROAMING_TRIGGER_LOW_TX_RATE; index<ROAMING_TRIGGER_LAST; index++) - { - switch (index) - { - case ROAMING_TRIGGER_LOW_TX_RATE: - WLAN_OS_REPORT(("- Low TX rate = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_LOW_SNR: - WLAN_OS_REPORT(("- Low Snr = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_LOW_QUALITY: - WLAN_OS_REPORT(("- Low Quality = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_MAX_TX_RETRIES: - WLAN_OS_REPORT(("- MAX TX retries = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_BSS_LOSS: - WLAN_OS_REPORT(("- BSS Loss TX = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_SWITCH_CHANNEL: - WLAN_OS_REPORT(("- Switch Channel = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_AP_DISCONNECT: - WLAN_OS_REPORT(("- AP Disconnect = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - case ROAMING_TRIGGER_SECURITY_ATTACK: - WLAN_OS_REPORT(("- SEC attack = %d\n", pRoamingMngr->roamingTriggerEvents[index])); - break; - default: - break; - } - } - - WLAN_OS_REPORT(("******** Succ ROAMING_HANDOVERS ********\n")); - - for (index=ROAMING_TRIGGER_LOW_QUALITY; index<ROAMING_TRIGGER_LAST; index++) - { - switch (index) - { - case ROAMING_TRIGGER_LOW_TX_RATE: - WLAN_OS_REPORT(("- Low TX rate = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_LOW_SNR: - WLAN_OS_REPORT(("- Low Snre = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_LOW_QUALITY: - WLAN_OS_REPORT(("- Low Quality = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_MAX_TX_RETRIES: - WLAN_OS_REPORT(("- MAX TX retries = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_BSS_LOSS: - WLAN_OS_REPORT(("- BSS Loss TX = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_SWITCH_CHANNEL: - WLAN_OS_REPORT(("- Switch Channel = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_AP_DISCONNECT: - WLAN_OS_REPORT(("- AP Disconnect = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - case ROAMING_TRIGGER_SECURITY_ATTACK: - WLAN_OS_REPORT(("- SEC attack = %d\n", pRoamingMngr->roamingHandoverEvents[index])); - break; - default: - break; - } - } - - WLAN_OS_REPORT(("******** ROAMING STATISTICS ********\n")); - WLAN_OS_REPORT(("- Num of succesful handovers = %d\n", pRoamingMngr->roamingSuccesfulHandoverNum)); - WLAN_OS_REPORT(("- Num of failed handovers = %d\n", pRoamingMngr->roamingFailedHandoverNum)); - if (pRoamingMngr->roamingSuccesfulHandoverNum >0) - { - WLAN_OS_REPORT(("- Succesful average succesful handover duration = %d\n", pRoamingMngr->roamingAverageSuccHandoverDuration/pRoamingMngr->roamingSuccesfulHandoverNum)); - WLAN_OS_REPORT(("- Succesful average roaming duration = %d\n", pRoamingMngr->roamingAverageRoamingDuration/pRoamingMngr->roamingSuccesfulHandoverNum)); - } - - -} - - -/** -* -* roamingMngr_resetDebugTrace -* -* \b Description: -* -* This procedure is called for debug only, to reset Roaming debug trace -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_resetStatistics(TI_HANDLE hRoamingMngr) -{ - - roamingMngr_t *pRoamingMngr; - TI_UINT8 index; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if (pRoamingMngr == NULL) - { - return; - } - WLAN_OS_REPORT(("Resetting all ROAMING_EVENTS \n")); - - pRoamingMngr->roamingSuccesfulHandoverNum = 0; - pRoamingMngr->roamingHandoverStartedTimestamp = 0; - pRoamingMngr->roamingHandoverCompletedTimestamp = 0; - pRoamingMngr->roamingAverageSuccHandoverDuration = 0; - pRoamingMngr->roamingAverageRoamingDuration = 0; - pRoamingMngr->roamingFailedHandoverNum = 0; - - for (index=ROAMING_TRIGGER_LOW_QUALITY; index<ROAMING_TRIGGER_LAST; index++) - { - pRoamingMngr->roamingHandoverEvents[index] = 0; - pRoamingMngr->roamingTriggerEvents[index] = 0; - } -} - -#endif /*TI_DBG*/ - - - -/********************************************************************** -** External Function section ** -***********************************************************************/ -extern TI_STATUS apConn_reportRoamingEvent(TI_HANDLE hAPConnection, - apConn_roamingTrigger_e roamingEventType, - void *roamingEventData); - - - -/********************************************************************** -** API Function section ** -***********************************************************************/ - -TI_HANDLE roamingMngr_create(TI_HANDLE hOs) -{ - roamingMngr_t *pRoamingMngr; - TI_UINT32 initVec; - - initVec = 0; - - pRoamingMngr = os_memoryAlloc(hOs, sizeof(roamingMngr_t)); - if (pRoamingMngr == NULL) - return NULL; - - initVec |= (1 << ROAMING_MNGR_CONTEXT_INIT_BIT); - pRoamingMngr->hOs = hOs; - - /* allocate the state machine object */ - pRoamingMngr->hRoamingSm = genSM_Create(hOs); - - if (pRoamingMngr->hRoamingSm == NULL) - { - roamingMngr_releaseModule(pRoamingMngr, initVec); - WLAN_OS_REPORT(("FATAL ERROR: roamingMngr_create(): Error Creating pRoamingSm - Aborting\n")); - return NULL; - } - initVec |= (1 << ROAMING_MNGR_SM_INIT_BIT); - - - return pRoamingMngr; -} - -TI_STATUS roamingMngr_unload(TI_HANDLE hRoamingMngr) -{ - TI_UINT32 initVec; - - if (hRoamingMngr == NULL) - { - return TI_OK; - } - - initVec = 0xFFFF; - roamingMngr_releaseModule(hRoamingMngr, initVec); - - return TI_OK; -} - -void roamingMngr_init (TStadHandlesList *pStadHandles) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)(pStadHandles->hRoamingMngr); - - /* Update handlers */ - pRoamingMngr->hReport = pStadHandles->hReport; - pRoamingMngr->hScanMngr = pStadHandles->hScanMngr; - pRoamingMngr->hAPConnection = pStadHandles->hAPConnection; - pRoamingMngr->hTWD = pStadHandles->hTWD; - pRoamingMngr->hEvHandler = pStadHandles->hEvHandler; - pRoamingMngr->hCurrBss = pStadHandles->hCurrBss; - - genSM_Init(pRoamingMngr->hRoamingSm,pRoamingMngr->hReport); -} - - -TI_STATUS roamingMngr_setDefaults (TI_HANDLE hRoamingMngr, TRoamScanMngrInitParams *pInitParam) -{ - - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - paramInfo_t param; - -#ifdef TI_DBG - TI_UINT8 index =0; -#endif - /* Init intrenal variables */ - //pRoamingMngr->currentState = ROAMING_STATE_IDLE; - pRoamingMngr->roamingMngrConfig.enableDisable = ROAMING_DISABLED; - pRoamingMngr->roamingMngrConfig.apQualityThreshold = DEFAULT_AP_QUALITY; - pRoamingMngr->roamingMngrConfig.lowPassFilterRoamingAttempt = DEFAULT_LOW_PASS_FILTER; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - pRoamingMngr->maskRoamingEvents= TI_TRUE; - pRoamingMngr->scanType = ROAMING_NO_SCAN; - pRoamingMngr->candidateApIndex = INVALID_CANDIDATE_INDEX; - pRoamingMngr->handoverWasPerformed = TI_FALSE; - pRoamingMngr->lowQualityTriggerTimestamp = 0; - pRoamingMngr->neighborApsExist = TI_FALSE; - pRoamingMngr->pListOfAPs = NULL; - pRoamingMngr->candidateApIndex = INVALID_CANDIDATE_INDEX; - pRoamingMngr->listOfCandidateAps.numOfNeighborBSS = 0; - pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS = 0; - pRoamingMngr->listOfCandidateAps.numOfRegularBSS = 0; - pRoamingMngr->RoamingOperationalMode = pInitParam->RoamingOperationalMode; - pRoamingMngr->bSendTspecInReassPkt = pInitParam->bSendTspecInReassPkt; - - if (pInitParam->RoamingScanning_2_4G_enable) - { - param.content.roamingConfigBuffer.roamingMngrConfig.enableDisable = ROAMING_ENABLED ; - param.content.roamingConfigBuffer.roamingMngrConfig.lowPassFilterRoamingAttempt = 30; - param.content.roamingConfigBuffer.roamingMngrConfig.apQualityThreshold = -70; - - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.dataRetryThreshold = 20; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.numExpectedTbttForBSSLoss = 10; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.txRateThreshold = 2; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.lowRssiThreshold = -80; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.lowSnrThreshold = 0; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.lowQualityForBackgroungScanCondition = -80; - param.content.roamingConfigBuffer.roamingMngrThresholdsConfig.normalQualityForBackgroungScanCondition = -70; - - param.paramType = ROAMING_MNGR_APPLICATION_CONFIGURATION; - param.paramLength = sizeof(roamingMngrConfigParams_t); - - roamingMngr_setParam(hRoamingMngr, ¶m); - - } - - - - /* config the FSM according to the operational mode*/ - if(ROAMING_OPERATIONAL_MODE_MANUAL==pRoamingMngr->RoamingOperationalMode) - { - genSM_SetDefaults(pRoamingMngr->hRoamingSm, - ROAMING_MANUAL_NUM_STATES, - ROAMING_MANUAL_NUM_EVENTS, - &roamingMngrManual_matrix[0][0], - ROAMING_MANUAL_STATE_IDLE, - "Roaming Manual SM", - ManualRoamStateDescription, - ManualRoamEventDescription, - __FILE_ID__); - - pRoamingMngr->RoamStateDescription = ManualRoamStateDescription; - pRoamingMngr->RoamEventDescription = ManualRoamEventDescription; - } - else - { - genSM_SetDefaults(pRoamingMngr->hRoamingSm, - ROAMING_MNGR_NUM_STATES, - ROAMING_MNGR_NUM_EVENTS, - &roamingMngrAuto_matrix[0][0], - ROAMING_STATE_IDLE, - "Roaming Auto SM", - AutoRoamStateDescription, - AutoRoamEventDescription, - __FILE_ID__); - - pRoamingMngr->RoamStateDescription = AutoRoamStateDescription; - pRoamingMngr->RoamEventDescription = AutoRoamEventDescription; - } - - pRoamingMngr->pCurrentState = &((TGenSM*)pRoamingMngr->hRoamingSm)->uCurrentState; - -#ifdef TI_DBG - /* debug counters */ - pRoamingMngr->roamingSuccesfulHandoverNum = 0; - pRoamingMngr->roamingHandoverStartedTimestamp = 0; - pRoamingMngr->roamingHandoverCompletedTimestamp = 0; - pRoamingMngr->roamingAverageSuccHandoverDuration = 0; - pRoamingMngr->roamingAverageRoamingDuration = 0; - pRoamingMngr->roamingFailedHandoverNum = 0; - - for (index=ROAMING_TRIGGER_NONE; index<ROAMING_TRIGGER_LAST; index++) - { - pRoamingMngr->roamingTriggerEvents[index] = 0; - pRoamingMngr->roamingHandoverEvents[index] = 0; - } -#endif - - return TI_OK; -} - -TI_STATUS roamingMngr_setParam(TI_HANDLE hRoamingMngr, paramInfo_t *pParam) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - TI_STATUS status = TI_OK; - - if (pParam == NULL) - { - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR , "roamingMngr_setParam(): pParam is NULL!\n"); - return TI_NOK; - } - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION , "roamingMngr_setParam %X \n", pParam->paramType); - - switch (pParam->paramType) - { - - case ROAMING_MNGR_APPLICATION_CONFIGURATION: - { - roamingMngrConfigParams_t *pRoamingMngrConfigParams; - - pRoamingMngrConfigParams = &pParam->content.roamingConfigBuffer; - - /* Configure the Roaming Parmeters */ - TRACE3(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_setParam Configuration: \n enableDisable= %d,\n lowPassFilterRoamingAttempt=%d,\n apQualityThreshold=%d\n", pRoamingMngrConfigParams->roamingMngrConfig.enableDisable, pRoamingMngrConfigParams->roamingMngrConfig.lowPassFilterRoamingAttempt, pRoamingMngrConfigParams->roamingMngrConfig.apQualityThreshold); - - pRoamingMngr->roamingMngrConfig.apQualityThreshold = pRoamingMngrConfigParams->roamingMngrConfig.apQualityThreshold; - pRoamingMngr->roamingMngrConfig.lowPassFilterRoamingAttempt = pRoamingMngrConfigParams->roamingMngrConfig.lowPassFilterRoamingAttempt; - pRoamingMngr->lowPassFilterRoamingAttemptInMsec = pRoamingMngrConfigParams->roamingMngrConfig.lowPassFilterRoamingAttempt * 1000; - - /* Configure the Roaming Trigger thresholds */ - TRACE7(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_setParam Thresholds: \n dataRetryThreshold= %d,\n lowQualityForBackgroungScanCondition=%d,\n lowRssiThreshold=%d,\n lowSNRThreshold=%d,\n normalQualityForBackgroungScanCondition=%d,\n numExpectedTbttForBSSLoss=%d,\n txRateThreshold=%d \n \n", pRoamingMngrConfigParams->roamingMngrThresholdsConfig.dataRetryThreshold, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.lowQualityForBackgroungScanCondition, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.lowRssiThreshold, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.lowSnrThreshold, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.normalQualityForBackgroungScanCondition, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.numExpectedTbttForBSSLoss, pRoamingMngrConfigParams->roamingMngrThresholdsConfig.txRateThreshold); - - os_memoryCopy(pRoamingMngr->hOs, &pRoamingMngr->roamingMngrThresholdsConfig, &pRoamingMngrConfigParams->roamingMngrThresholdsConfig, sizeof(roamingMngrThresholdsConfig_t)); - - status = apConn_setRoamThresholds(pRoamingMngr->hAPConnection, &pRoamingMngrConfigParams->roamingMngrThresholdsConfig); - - if (pRoamingMngr->roamingMngrConfig.enableDisable && - !pRoamingMngrConfigParams->roamingMngrConfig.enableDisable) - { /* disable Roaming Manager */ - apConn_unregisterRoamMngrCallb(pRoamingMngr->hAPConnection); - pRoamingMngr->roamingMngrConfig.enableDisable = ROAMING_DISABLED; - return (roamingMngr_smEvent(ROAMING_EVENT_STOP, pRoamingMngr)); - } - else if (!pRoamingMngr->roamingMngrConfig.enableDisable && - pRoamingMngrConfigParams->roamingMngrConfig.enableDisable) - { /* enable Roaming Manager */ - /* Save the Roaming Configuration parameters */ - pRoamingMngr->roamingMngrConfig.enableDisable = pRoamingMngrConfigParams->roamingMngrConfig.enableDisable; - /* register Roaming callback */ - apConn_registerRoamMngrCallb(pRoamingMngr->hAPConnection, - roamingMngr_triggerRoamingCb, - roamingMngr_connStatusCb, - roamingMngr_updateNeighborApListCb); - } - } - break; - - - /*********** For Debug Purposes ***********/ - - case ROAMING_MNGR_TRIGGER_EVENT: - /* Enable/disable Internal Roaming */ - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_setParam TRIGGER_EVENT= %d \n", pParam->content.roamingTriggerType); - apConn_reportRoamingEvent(pRoamingMngr->hAPConnection, (apConn_roamingTrigger_e)pParam->content.roamingTriggerType, NULL); - break; - - case ROAMING_MNGR_CONN_STATUS: - /* External request to connect to BBSID */ - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_setParam CONN_STATUS= %d \n", pParam->content.roamingConnStatus); - roamingMngr_connStatusCb(pRoamingMngr, &pParam->content.roamingConnStatus); - break; - - default: - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_setParam bad param= %X\n", pParam->paramType); - - break; - } - - - return status; -} - -TI_STATUS roamingMngr_getParam(TI_HANDLE hRoamingMngr, paramInfo_t *pParam) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - if (pParam == NULL) - { - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR , "roamingMngr_getParam(): pParam is NULL!\n"); - return TI_NOK; - } - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_getParam %X \n", pParam->paramType); - - switch (pParam->paramType) - { - case ROAMING_MNGR_APPLICATION_CONFIGURATION: - { - roamingMngrConfigParams_t *pRoamingMngrConfigParams; - - pRoamingMngrConfigParams = &pParam->content.roamingConfigBuffer; - - if (pRoamingMngr->roamingMngrConfig.enableDisable == ROAMING_DISABLED) - { - pRoamingMngrConfigParams->roamingMngrConfig.enableDisable = TI_FALSE; - } - else - { - pRoamingMngrConfigParams->roamingMngrConfig.enableDisable = TI_TRUE; - } - pRoamingMngrConfigParams->roamingMngrConfig.apQualityThreshold = pRoamingMngr->roamingMngrConfig.apQualityThreshold; - pRoamingMngrConfigParams->roamingMngrConfig.lowPassFilterRoamingAttempt = pRoamingMngr->roamingMngrConfig.lowPassFilterRoamingAttempt; - - apConn_getRoamThresholds(pRoamingMngr->hAPConnection, &pRoamingMngr->roamingMngrThresholdsConfig); - os_memoryCopy(pRoamingMngr->hOs, &pRoamingMngrConfigParams->roamingMngrThresholdsConfig, &pRoamingMngr->roamingMngrThresholdsConfig, sizeof(roamingMngrThresholdsConfig_t)); - pParam->paramLength = sizeof(roamingMngrConfigParams_t); - } - break; - -#ifdef TI_DBG - case ROAMING_MNGR_PRINT_STATISTICS: - roamingMngr_printStatistics(pRoamingMngr); - break; - - case ROAMING_MNGR_RESET_STATISTICS: - roamingMngr_resetStatistics(pRoamingMngr); - break; - - case ROAMING_MNGR_PRINT_CURRENT_STATUS: - WLAN_OS_REPORT(("Roaming Current State = %d, enableDisable=%d\n, maskRoamingEvents = %d, roamingTrigger=%d \n scanType=%d, handoverWasPerformed=%d \n, candidateApIndex=%d, lowQualityTriggerTimestamp=%d \n", - *(pRoamingMngr->pCurrentState), - pRoamingMngr->roamingMngrConfig.enableDisable, - pRoamingMngr->maskRoamingEvents, - pRoamingMngr->roamingTrigger, - pRoamingMngr->scanType, - pRoamingMngr->handoverWasPerformed, - pRoamingMngr->candidateApIndex, - pRoamingMngr->lowQualityTriggerTimestamp)); - break; - case ROAMING_MNGR_PRINT_CANDIDATE_TABLE: - { - TI_UINT32 index; - - if (pRoamingMngr->pListOfAPs==NULL) - { - TRACE0( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "Roaming Mngr the candidate AP list is invalid \n"); - break; - } - TRACE1( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "The number of candidates is %d\n", pRoamingMngr->pListOfAPs->numOfEntries); - - TRACE1( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "Roaming Mngr Neighbor AP list, num of candidates = %d\n", pRoamingMngr->listOfCandidateAps.numOfNeighborBSS); - - for (index=0; index<pRoamingMngr->listOfCandidateAps.numOfNeighborBSS; index++) - { - TI_UINT32 candidateIndex; - bssEntry_t *pBssEntry; - - candidateIndex = pRoamingMngr->listOfCandidateAps.neighborBSSList[index]; - pBssEntry = &pRoamingMngr->pListOfAPs->BSSList[candidateIndex]; - TRACE8( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "candiate %d, BSSID=%x-%x-%x-%x-%x-%x, RSSI =%d \n", candidateIndex, pBssEntry->BSSID[0], pBssEntry->BSSID[1], pBssEntry->BSSID[2], pBssEntry->BSSID[3], pBssEntry->BSSID[4], pBssEntry->BSSID[5], pBssEntry->RSSI); - } - TRACE1( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "Roaming Mngr Pre-Auth AP list, num of candidates = %d\n", pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS); - - for (index=0; index<pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS; index++) - { - TI_UINT32 candidateIndex; - bssEntry_t *pBssEntry; - - candidateIndex = pRoamingMngr->listOfCandidateAps.preAuthBSSList[index]; - pBssEntry = &pRoamingMngr->pListOfAPs->BSSList[candidateIndex]; - TRACE8( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "candiate %d, BSSID=%x-%x-%x-%x-%x-%x, RSSI =%d \n", candidateIndex, pBssEntry->BSSID[0], pBssEntry->BSSID[1], pBssEntry->BSSID[2], pBssEntry->BSSID[3], pBssEntry->BSSID[4], pBssEntry->BSSID[5], pBssEntry->RSSI); - } - TRACE1( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "Roaming Mngr Regular AP list, num of candidates = %d\n", pRoamingMngr->listOfCandidateAps.numOfRegularBSS); - - for (index=0; index<pRoamingMngr->listOfCandidateAps.numOfRegularBSS; index++) - { - TI_UINT32 candidateIndex; - bssEntry_t *pBssEntry; - - candidateIndex = pRoamingMngr->listOfCandidateAps.regularBSSList[index]; - pBssEntry = &pRoamingMngr->pListOfAPs->BSSList[candidateIndex]; - TRACE8( pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "candiate %d, BSSID=%x-%x-%x-%x-%x-%x, RSSI =%d \n", candidateIndex, pBssEntry->BSSID[0], pBssEntry->BSSID[1], pBssEntry->BSSID[2], pBssEntry->BSSID[3], pBssEntry->BSSID[4], pBssEntry->BSSID[5], pBssEntry->RSSI); - } - } - break; - -#endif /*TI_DBG*/ - - default: - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_getParam bad paramType= %X \n", pParam->paramType); - return TI_NOK; - } - - return TI_OK; -} - -TI_STATUS roamingMngr_immediateScanComplete(TI_HANDLE hRoamingMngr, scan_mngrResultStatus_e scanCmpltStatus) -{ - roamingMngr_t *pRoamingMngr; - roamingMngr_smEvents roamingEvent; - - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if (pRoamingMngr == NULL) - { - return TI_NOK; - } - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_immediateScanComplete, scanCmpltStatus = %d\n", scanCmpltStatus); - - if (scanCmpltStatus == SCAN_MRS_SCAN_COMPLETE_OK) - { - /* The scan completed TI_OK, get the updated list of APs */ - pRoamingMngr->pListOfAPs = scanMngr_getBSSList(pRoamingMngr->hScanMngr); - if ((pRoamingMngr->pListOfAPs != NULL) && (pRoamingMngr->pListOfAPs->numOfEntries > 0)) - { - /* APs were found, start selection */ - pRoamingMngr->scanType = ROAMING_NO_SCAN; - roamingEvent = ROAMING_EVENT_SELECT; - } - else - { /* There were no APs, if the scan was partial, retry full scan */ - if ((pRoamingMngr->scanType == ROAMING_PARTIAL_SCAN) || - (pRoamingMngr->scanType == ROAMING_PARTIAL_SCAN_RETRY)) - { - pRoamingMngr->scanType = ROAMING_FULL_SCAN; - roamingEvent = ROAMING_EVENT_SCAN; - } - else - { - /* No APs were found in FULL SCAN, report failure */ - roamingEvent = ROAMING_EVENT_SELECT; - } - } - } - /* scanCmpltStatus != SCAN_MRS_SCAN_COMPLETE_OK */ - else - { - /* The scan failed, retry scanning according to the current scan type */ - pRoamingMngr->pListOfAPs = scanMngr_getBSSList(pRoamingMngr->hScanMngr); - if ((pRoamingMngr->pListOfAPs != NULL) && (pRoamingMngr->pListOfAPs->numOfEntries > 0)) - { - /* APs were found, start selection */ - pRoamingMngr->scanType = ROAMING_NO_SCAN; - roamingEvent = ROAMING_EVENT_SELECT; - } - else - { - /* The scan failed, and there were no APs found. - Retry scanning according to the current scan type */ - switch (pRoamingMngr->scanType) - { - case ROAMING_PARTIAL_SCAN: - roamingEvent = ROAMING_EVENT_SCAN; - pRoamingMngr->scanType = ROAMING_PARTIAL_SCAN_RETRY; - break; - case ROAMING_PARTIAL_SCAN_RETRY: - roamingEvent = ROAMING_EVENT_SELECT; - pRoamingMngr->scanType = ROAMING_NO_SCAN; - break; - case ROAMING_FULL_SCAN: - roamingEvent = ROAMING_EVENT_SCAN; - pRoamingMngr->scanType = ROAMING_FULL_SCAN_RETRY; - break; - case ROAMING_FULL_SCAN_RETRY: - roamingEvent = ROAMING_EVENT_SELECT; - pRoamingMngr->scanType = ROAMING_NO_SCAN; - break; - default: - roamingEvent = ROAMING_EVENT_SELECT; -TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_immediateScanComplete, pRoamingMngr->scanType = %d\n", pRoamingMngr->scanType); - pRoamingMngr->scanType = ROAMING_NO_SCAN; - break; - } /* switch (pRoamingMngr->scanType) */ - } - } - - TRACE2(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_immediateScanComplete, roamingEvent = %d, scanType=%d\n", roamingEvent, pRoamingMngr->scanType); - - return (roamingMngr_smEvent(roamingEvent, pRoamingMngr)); - -} - -TI_STATUS roamingMngr_updateNewBssList(TI_HANDLE hRoamingMngr, bssList_t *bssList) -{ - - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - if ((pRoamingMngr == NULL) || (bssList == NULL)) - { - return TI_NOK; - } - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_updateNewBssList, number of APs = %d\n", bssList->numOfEntries); - - if (*(pRoamingMngr->pCurrentState) != ROAMING_STATE_WAIT_4_TRIGGER) - { - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_WARNING, "roamingMngr_updateNewBssList, ignore APs when not in WAIT_4_TRIGGER state \n"); - return TI_NOK; - } - - - if (pRoamingMngr->staCapabilities.authMode!=os802_11AuthModeWPA2) - { /* No Pre-Auth is required */ - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_updateNewBssList, No Pre-Auth is required\n"); - return TI_OK; - } - apConn_preAuthenticate(pRoamingMngr->hAPConnection, bssList); - - return TI_OK; - -} - - -void roamingMngr_smNop(void *pData) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)pData; - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, " roamingMngr_smNop\n"); -} - - -void roamingMngr_smUnexpected(void *pData) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)pData; - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, " roamingMngr_smUnexpected, state = %d\n", *(pRoamingMngr->pCurrentState)); -} - - -void roamingMngr_smStop(void *pData) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)pData; - - scanMngr_stopContScan(pRoamingMngr->hScanMngr); - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->neighborApsExist = TI_FALSE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; -} -/** -* -* roamingMngr_smStopWhileScanning - -* -* \b Description: -* -* Stop event means that the station is not in Connected State. - * Stop continuos and immediate scans and clean internal vars. -* -* \b ARGS: -* -* I - pData - pointer to the roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -void roamingMngr_smStopWhileScanning(void *pData) -{ - roamingMngr_t* pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)pData; - - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, " roamingMngr_smStopWhileScanning\n"); - - scanMngr_stopImmediateScan(pRoamingMngr->hScanMngr); - scanMngr_stopContScan(pRoamingMngr->hScanMngr); - - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->neighborApsExist = TI_FALSE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; -} - - - - -/** -* -* roamingMngr_setBssLossThreshold API -* -* Description: -* -* Set the BSS Loss threshold by EMP and register for the event. -* -* ARGS: -* -* hRoamingMngr - Roaming manager handle \n -* uNumOfBeacons - number of consecutive beacons not received allowed before BssLoss event is issued -* uClientID - the ID of the client that has registered for this event. will be sent along with the BssLoss event to EMP -* \b RETURNS: -* -* TI_STATUS - registration status. - * TI_NOK - registration is not allowed -* -* \sa -*/ -TI_STATUS roamingMngr_setBssLossThreshold (TI_HANDLE hRoamingMngr, TI_UINT32 uNumOfBeacons, TI_UINT16 uClientID) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_setBssLossThreshold! \n"); - - if(ROAMING_OPERATIONAL_MODE_MANUAL == pRoamingMngr->RoamingOperationalMode) - { - return currBss_registerBssLossEvent(pRoamingMngr->hCurrBss, uNumOfBeacons, uClientID); - } - else - { - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_setBssLossThreshold is available only in auto mode! \n"); - WLAN_OS_REPORT(("\n roamingMngr_setBssLossThreshold is available only in auto mode! \n ")); - return TI_NOK; - } -} - - - -/** -* -* roamingMngr_Connect API -* -* Description: -* -* send the Connect event to roaming state machine -* -* ARGS: -* -* hRoamingMngr - Roaming manager handle \n -* pTargetAp - the target AP to connect with info. -* \b RETURNS: -* -* TI_STATUS - roamingMngr_smEvent status. -*/ - -TI_STATUS roamingMngr_connect(TI_HANDLE hRoamingMngr, TargetAp_t* pTargetAp) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - bssList_t *bssList; - int i=0; - - TRACE2(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_connect()," - "transitionMethod = %d," - "requestType = %d," - " \n", pTargetAp->transitionMethod,pTargetAp->connRequest.requestType) ; - - - TRACE6(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_connect()," - " AP to roam BSSID: " - "%02x-%02x-%02x-%02x-%02x-%02x " - "\n", pTargetAp->newAP.BSSID[0],pTargetAp->newAP.BSSID[1],pTargetAp->newAP.BSSID[2],pTargetAp->newAP.BSSID[3],pTargetAp->newAP.BSSID[4],pTargetAp->newAP.BSSID[5]); - - - /* Search for target AP in the scan manager results table, to get its beacon/ProbResponse buffer */ - bssList = scanMngr_getBSSList(((roamingMngr_t*)hRoamingMngr)->hScanMngr); - for (i=0; i< bssList->numOfEntries ; i++) - { - if (MAC_EQUAL(bssList->BSSList[i].BSSID, pTargetAp->newAP.BSSID)) - { - pTargetAp->newAP.pBuffer = bssList->BSSList[i].pBuffer; - pTargetAp->newAP.bufferLength = bssList->BSSList[i].bufferLength; - os_memoryCopy(pRoamingMngr->hOs, &(pRoamingMngr->targetAP), (void*)pTargetAp, sizeof(TargetAp_t)); - return roamingMngr_smEvent(ROAMING_MANUAL_EVENT_CONNECT, hRoamingMngr); - } - } - - TRACE6(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_connect()," - "AP was not found in scan table!! BSSID: " - "%02x-%02x-%02x-%02x-%02x-%02x " - "\n", pTargetAp->newAP.BSSID[0],pTargetAp->newAP.BSSID[1],pTargetAp->newAP.BSSID[2],pTargetAp->newAP.BSSID[3],pTargetAp->newAP.BSSID[4],pTargetAp->newAP.BSSID[5]); - return TI_NOK; -} - -/** -* -* roamingMngr_startImmediateScan API -* -* Description: -* -* start the immediate scan with the channel list received by the application -* -* ARGS: -* -* hRoamingMngr - Roaming manager handle \n -* pChannelList - The channel list to be scanned -* \b RETURNS: -* -* TI_STATUS - roamingMngr_smEvent status. -*/ - -TI_STATUS roamingMngr_startImmediateScan(TI_HANDLE hRoamingMngr, channelList_t* pChannelList) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_startImmediateScan().\n"); - - /* Save the channelList for later usage in the scanMngr_startImmediateScan() */ - scanMngr_setManualScanChannelList (pRoamingMngr-> hScanMngr, pChannelList); - return roamingMngr_smEvent(ROAMING_MANUAL_EVENT_SCAN, hRoamingMngr); -} - - - -/** -* -* roamingMngr_stopImmediateScan API -* -* Description: -* -* stop the immediate scan, called by the application. -* -* ARGS: -* -* hRoamingMngr - Roaming manager handle \n -* \b RETURNS: -* -* TI_STATUS - TI_OK. -*/ -TI_STATUS roamingMngr_stopImmediateScan(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - scanMngr_stopImmediateScan(pRoamingMngr->hScanMngr); - - return TI_OK; -} - - -/** -* -* roamingMngr_stopImmediateScan API -* -* Description: -* -* called upon the immediate scan by application complete -* -* ARGS: -* -* hRoamingMngr - Roaming manager handle -* scanCmpltStatus - scanCmpltStatus -* -* \b RETURNS: -* -* TI_STATUS - State machine event status. -*/ - -TI_STATUS roamingMngr_immediateScanByAppComplete(TI_HANDLE hRoamingMngr, scan_mngrResultStatus_e scanCmpltStatus) -{ - return roamingMngr_smEvent(ROAMING_MANUAL_EVENT_COMPLETE, hRoamingMngr); -} - |