diff options
Diffstat (limited to 'wl1271/stad/src/Application/roamingMngr_autoSM.c')
| -rw-r--r-- | wl1271/stad/src/Application/roamingMngr_autoSM.c | 799 |
1 files changed, 0 insertions, 799 deletions
diff --git a/wl1271/stad/src/Application/roamingMngr_autoSM.c b/wl1271/stad/src/Application/roamingMngr_autoSM.c deleted file mode 100644 index 5bc1623..0000000 --- a/wl1271/stad/src/Application/roamingMngr_autoSM.c +++ /dev/null @@ -1,799 +0,0 @@ -/* - * roamingMngr_autoSM.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_autoSM.c - * \brief Roaming Manager - * - * \see roamingMngr_autoSM.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_135 -#include "osApi.h" - -#include "paramOut.h" -#include "report.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 "GenSM.h" -#include "roamingMngr_autoSM.h" - - -/***************************************************************************** -** Private Function section ** -*****************************************************************************/ -/* SM functions */ - -static void roamingMngr_smStartIdle(TI_HANDLE hRoamingMngr); -static void roamingMngr_smRoamTrigger(TI_HANDLE hRoamingMngr); -static void roamingMngr_smInvokeScan(TI_HANDLE hRoamingMngr); -static void roamingMngr_smSelection(TI_HANDLE hRoamingMngr); -static void roamingMngr_smHandover(TI_HANDLE hRoamingMngr); -static void roamingMngr_smSuccHandover(TI_HANDLE hRoamingMngr); -static void roamingMngr_smFailHandover(TI_HANDLE hRoamingMngr); -static void roamingMngr_smScanFailure(TI_HANDLE hRoamingMngr); -static void roamingMngr_smDisconnectWhileConnecting(TI_HANDLE hRoamingMngr); - -/*static TI_STATUS roamingMngr_smUnexpected(TI_HANDLE hRoamingMngr); -static TI_STATUS roamingMngr_smNop(TI_HANDLE hRoamingMngr); -static TI_STATUS roamingMngr_smStopWhileScanning(TI_HANDLE hRoamingMngr); -*/ - -typedef enum -{ - REASSOC_RESP_SUCCESS =0, - REASSOC_RESP_FAILURE, - REASSOC_RESP_REJECT -} reassociationResp_e; - - -/*-----------*/ -/* Constants */ -/*-----------*/ - -TGenSM_actionCell roamingMngrAuto_matrix[ROAMING_MNGR_NUM_STATES][ROAMING_MNGR_NUM_EVENTS] = -{ - /* next state and actions for IDLE state */ - { {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smStartIdle}, /* START */ - {ROAMING_STATE_IDLE, roamingMngr_smNop}, /* STOP */ - {ROAMING_STATE_IDLE, roamingMngr_smNop}, /* ROAM_TRIGGER */ - {ROAMING_STATE_IDLE, roamingMngr_smUnexpected}, /* SCAN */ - {ROAMING_STATE_IDLE, roamingMngr_smUnexpected}, /* SELECT */ - {ROAMING_STATE_IDLE, roamingMngr_smUnexpected}, /* REQ_HANDOVER */ - {ROAMING_STATE_IDLE, roamingMngr_smUnexpected}, /* ROAM_SUCCESS */ - {ROAMING_STATE_IDLE, roamingMngr_smUnexpected} /* FAILURE */ - }, - - /* next state and actions for WAIT_4_TRIGGER state */ - { {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected}, /* START */ - {ROAMING_STATE_IDLE, roamingMngr_smStop}, /* STOP */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smRoamTrigger}, /* ROAM_TRIGGER */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected}, /* SCAN */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected}, /* SELECT */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected}, /* REQ_HANDOVER */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected}, /* ROAM_SUCCESS */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smUnexpected} /* FAILURE */ - }, - - /* next state and actions for WAIT_4_CMD state */ - { {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected}, /* START */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected}, /* STOP */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected}, /* ROAM_TRIGGER */ - {ROAMING_STATE_SCANNING, roamingMngr_smInvokeScan}, /* SCAN */ - {ROAMING_STATE_SELECTING, roamingMngr_smSelection}, /* SELECT */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected}, /* REQ_HANDOVER */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected}, /* ROAM_SUCCESS */ - {ROAMING_STATE_WAIT_4_CMD, roamingMngr_smUnexpected} /* FAILURE */ - }, - - /* next state and actions for SCANNING state */ - { {ROAMING_STATE_SCANNING, roamingMngr_smUnexpected}, /* START */ - {ROAMING_STATE_IDLE, roamingMngr_smStopWhileScanning}, /* STOP */ - {ROAMING_STATE_SCANNING, roamingMngr_smNop}, /* ROAM_TRIGGER */ - {ROAMING_STATE_SCANNING, roamingMngr_smInvokeScan}, /* SCAN */ - {ROAMING_STATE_SELECTING, roamingMngr_smSelection}, /* SELECT */ - {ROAMING_STATE_SCANNING, roamingMngr_smUnexpected}, /* REQ_HANDOVER */ - {ROAMING_STATE_SCANNING, roamingMngr_smUnexpected}, /* ROAM_SUCCESS */ - {ROAMING_STATE_IDLE, roamingMngr_smScanFailure} /* FAILURE */ - - }, - - /* next state and actions for SELECTING state */ - { {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* START */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* STOP */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* ROAM_TRIGGER */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* SCAN */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* SELECT */ - {ROAMING_STATE_CONNECTING, roamingMngr_smHandover}, /* REQ_HANDOVER */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected}, /* ROAM_SUCCESS */ - {ROAMING_STATE_SELECTING, roamingMngr_smUnexpected} /* FAILURE */ - - }, - - /* next state and actions for CONNECTING state */ - { {ROAMING_STATE_CONNECTING, roamingMngr_smUnexpected}, /* START */ - {ROAMING_STATE_IDLE, roamingMngr_smStop}, /* STOP */ - {ROAMING_STATE_IDLE, roamingMngr_smDisconnectWhileConnecting}, /* ROAM_TRIGGER */ - {ROAMING_STATE_CONNECTING, roamingMngr_smUnexpected}, /* SCAN, */ - {ROAMING_STATE_CONNECTING, roamingMngr_smUnexpected}, /* SELECT */ - {ROAMING_STATE_CONNECTING, roamingMngr_smHandover}, /* REQ_HANDOVER */ - {ROAMING_STATE_WAIT_4_TRIGGER, roamingMngr_smSuccHandover} , /* ROAM_SUCCESS */ - {ROAMING_STATE_IDLE, roamingMngr_smFailHandover} /* FAILURE */ - - } -}; - - -TI_INT8* AutoRoamStateDescription[] = -{ - "IDLE", - "WAIT_4_TRIGGER", - "WAIT_4_CMD", - "SCANNING", - "SELECTING", - "CONNECTING" -}; - -TI_INT8* AutoRoamEventDescription[] = -{ - "START", - "STOP", - "ROAM_TRIGGER", - "SCAN", - "SELECT", - "REQ_HANDOVER", - "ROAM_SUCCESS", - "FAILURE" -}; - -/** -* -* roamingMngr_smRoamTrigger -* -* \b Description: -* -* This procedure is called when an Roaming event occurs: BSS LOSS, LOW Quality etc. - * Performs the following: - * - If Roaming is disabled, ignore. - * - Indicate Driver that Roaming process is starting - * - Get the BSS list from the Scan Manager. - * - If the list is not empty, start SELECTION - * - If the list is empty, start SCANNING. The type of scan is decided - * according to the Neigbor APs existence. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smRoamTrigger(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - roamingMngr_smEvents roamingEvent; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smRoamTrigger, enableDisable = %d\n",pRoamingMngr->roamingMngrConfig.enableDisable); - - if (!pRoamingMngr->roamingMngrConfig.enableDisable) - { - /* Ignore any other Roaming event when Roaming is disabled */ - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_ERROR, "roamingMngr_smRoamTrigger, when Roaming is disabled\n"); - return; - } - /* Indicate the driver that Roaming process is starting */ - apConn_prepareToRoaming(pRoamingMngr->hAPConnection, pRoamingMngr->roamingTrigger); - - /* Get the current BSSIDs from ScanMngr */ - pRoamingMngr->pListOfAPs = scanMngr_getBSSList(pRoamingMngr->hScanMngr); - if ((pRoamingMngr->pListOfAPs != NULL) && (pRoamingMngr->pListOfAPs->numOfEntries > 0)) - { /* No need to SCAN, start SELECTING */ - roamingEvent = ROAMING_EVENT_SELECT; - } - else - { /* check if list of APs exists in order to verify which scan to start */ - roamingEvent = ROAMING_EVENT_SCAN; - if (pRoamingMngr->neighborApsExist) - { /* Scan only Neighbor APs */ - pRoamingMngr->scanType = ROAMING_PARTIAL_SCAN; - } - else - { /* Scan all channels */ - pRoamingMngr->scanType = ROAMING_FULL_SCAN; - } - } - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smRoamTrigger, scanType = %d\n", pRoamingMngr->scanType); - - roamingMngr_smEvent(roamingEvent, pRoamingMngr); -} - -/** -* -* roamingMngr_smInvokeScan -* -* \b Description: -* -* This procedure is called when scan should be performed in order - * to select an AP to roam to. - * This can be the first scan, a second scan after partail scan, - * or scan after previous scan was failed. - * In any case, the scan can either be: - * partail, on list of channles or - * full on all channels. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smInvokeScan(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - scan_mngrResultStatus_e scanResult; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - /* check which scan should be performed: Partial on list of channels, or full scan */ - if ((pRoamingMngr->scanType == ROAMING_PARTIAL_SCAN) || - (pRoamingMngr->scanType == ROAMING_PARTIAL_SCAN_RETRY)) - { - scanResult = scanMngr_startImmediateScan (pRoamingMngr->hScanMngr, TI_TRUE); - } - else - { /* Scan all channels */ - scanResult = scanMngr_startImmediateScan (pRoamingMngr->hScanMngr, TI_FALSE); - } - - if (scanResult != SCAN_MRS_SCAN_RUNNING) - { /* the scan failed, immitate scan complete event */ - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smInvokeScan, scanResult = %d\n", scanResult); - roamingMngr_immediateScanComplete(pRoamingMngr, scanResult); - } -} - -/** -* -* roamingMngr_smSelection -* -* \b Description: -* -* This procedure is called when selection should be performed. -* It perform the following: - * Prepare the candidate APs to roam according to: - * - Priority APs - * - Pre-Authenticated APs - * If the candidate AP list is empty, only the current AP can be re-selected - * Select one AP and trigger REQ_HANDOVER event. - * -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smSelection(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - TI_UINT32 index; - - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - pRoamingMngr->listOfCandidateAps.numOfNeighborBSS = 0; - pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS = 0; - pRoamingMngr->listOfCandidateAps.numOfRegularBSS = 0; - - pRoamingMngr->candidateApIndex = INVALID_CANDIDATE_INDEX; - - if ((pRoamingMngr->pListOfAPs == NULL) || - (pRoamingMngr->pListOfAPs->numOfEntries == 0)) - { /* Error, there cannot be selection */ - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smSelection pListOfAPs is empty \n"); - roamingMngr_smEvent(ROAMING_EVENT_REQ_HANDOVER, pRoamingMngr); - return; - } - - /* Build the candidate AP list */ - for (index=0; index<pRoamingMngr->pListOfAPs->numOfEntries; index++ ) - { - if ( (pRoamingMngr->roamingTrigger <= ROAMING_TRIGGER_LOW_QUALITY_GROUP) && - (pRoamingMngr->pListOfAPs->BSSList[index].RSSI < pRoamingMngr->roamingMngrConfig.apQualityThreshold)) - { /* Do not insert APs with low quality to the selection table, - if the Roaming Trigger was low Quality */ - TRACE8(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "candidate AP %x-%x-%x-%x-%x-%x with RSSI too low =%d, Quality=%d \n", pRoamingMngr->pListOfAPs->BSSList[index].BSSID[0], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[1], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[2], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[3], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[4], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[5], pRoamingMngr->pListOfAPs->BSSList[index].RSSI, pRoamingMngr->roamingMngrConfig.apQualityThreshold); - - continue; - } - - if (apConn_isSiteBanned(pRoamingMngr->hAPConnection, &pRoamingMngr->pListOfAPs->BSSList[index].BSSID) == TI_TRUE) - { - TRACE6(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, ": Candidate AP %02X-%02X-%02X-%02X-%02X-%02X is banned!\n", pRoamingMngr->pListOfAPs->BSSList[index].BSSID[0], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[1], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[2], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[3], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[4], pRoamingMngr->pListOfAPs->BSSList[index].BSSID[5]); - continue; - } - - if (pRoamingMngr->pListOfAPs->BSSList[index].bNeighborAP) - { /* The AP is a neighbor AP, insert its index to the neighbor APs list */ - pRoamingMngr->listOfCandidateAps.neighborBSSList[pRoamingMngr->listOfCandidateAps.numOfNeighborBSS] = index; - pRoamingMngr->listOfCandidateAps.numOfNeighborBSS++; - } - else if (apConn_getPreAuthAPStatus(pRoamingMngr->hAPConnection, - &pRoamingMngr->pListOfAPs->BSSList[index].BSSID)) - { /* This AP is a pre-auth AP */ - pRoamingMngr->listOfCandidateAps.preAuthBSSList[pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS] = index; - pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS++; - } - else - { /* This AP is not Neighbor nor Pre-Auth */ - pRoamingMngr->listOfCandidateAps.regularBSSList[pRoamingMngr->listOfCandidateAps.numOfRegularBSS] = index; - pRoamingMngr->listOfCandidateAps.numOfRegularBSS++; - } - } - -#ifdef TI_DBG - { /* for debug */ - paramInfo_t param; - - param.paramType = ROAMING_MNGR_PRINT_CANDIDATE_TABLE; - roamingMngr_getParam(pRoamingMngr, ¶m); - - } -#endif - roamingMngr_smEvent(ROAMING_EVENT_REQ_HANDOVER, pRoamingMngr); - -} - -/** -* -* roamingMngr_smHandover -* -* \b Description: -* -* This procedure is called when handover should be invoked. -* Go over the candidate APs and start handover to each of them. - * If there's no candidate APs, disconnect. - * Handover to the current AP is allowed only if the trigger is - * low quality. - * -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smHandover(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - bssEntry_t *pApToConnect; - apConn_connRequest_t requestToApConn; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - if ((pRoamingMngr->handoverWasPerformed) && (pRoamingMngr->candidateApIndex == CURRENT_AP_INDEX)) - { /* Handover with the current AP already failed, Disconnect */ - roamingMngr_smEvent(ROAMING_EVENT_FAILURE, pRoamingMngr); - return; - } - if (pRoamingMngr->listOfCandidateAps.numOfNeighborBSS > 0) - { /* Neighbor APs are the highest priority to Roam */ - pRoamingMngr->candidateApIndex = - pRoamingMngr->listOfCandidateAps.neighborBSSList[pRoamingMngr->listOfCandidateAps.numOfNeighborBSS-1]; - pRoamingMngr->listOfCandidateAps.numOfNeighborBSS--; - } - else if (pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS > 0) - { /* Pre-Auth APs are the second priority to Roam */ - pRoamingMngr->candidateApIndex = - pRoamingMngr->listOfCandidateAps.preAuthBSSList[pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS-1]; - pRoamingMngr->listOfCandidateAps.numOfPreAuthBSS--; - } - else if (pRoamingMngr->listOfCandidateAps.numOfRegularBSS > 0) - { /* Regular APs are APs that are not pre-authenticated and not Neighbor */ - pRoamingMngr->candidateApIndex = - pRoamingMngr->listOfCandidateAps.regularBSSList[pRoamingMngr->listOfCandidateAps.numOfRegularBSS-1]; - pRoamingMngr->listOfCandidateAps.numOfRegularBSS--; - } - else - { /* No Candidate APs */ - pRoamingMngr->candidateApIndex = INVALID_CANDIDATE_INDEX; - } - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smHandover, candidateApIndex=%d \n", pRoamingMngr->candidateApIndex); - - - if (pRoamingMngr->candidateApIndex == INVALID_CANDIDATE_INDEX) - { /* No cnadidate to Roam to, only the current AP is candidate */ - if (pRoamingMngr->roamingTrigger <= ROAMING_TRIGGER_LOW_QUALITY_GROUP) - { /* If the trigger to Roam is low quality, and there are no candidate APs - to roam to, retain connected to the current AP */ - requestToApConn.requestType = (pRoamingMngr->handoverWasPerformed) ? AP_CONNECT_RECONNECT_CURR_AP : AP_CONNECT_RETAIN_CURR_AP; - pRoamingMngr->candidateApIndex = CURRENT_AP_INDEX; - } - else - { /* Disconnect the BSS, there are no more APs to roam to */ - roamingMngr_smEvent(ROAMING_EVENT_FAILURE, pRoamingMngr); - return; - } - } - else - { /* There is a valid candidate AP */ - if (pRoamingMngr->roamingTrigger > ROAMING_TRIGGER_FAST_CONNECT_GROUP) - { /* Full re-connection should be perfromed */ - requestToApConn.requestType = AP_CONNECT_FULL_TO_AP; - } - else - { /* Fast re-connection should be perfromed */ - requestToApConn.requestType = AP_CONNECT_FAST_TO_AP; - } - } -#ifdef TI_DBG - /* For debug */ - if (!pRoamingMngr->handoverWasPerformed) - { /* Take the time before the first handover started */ - pRoamingMngr->roamingHandoverStartedTimestamp = os_timeStampMs(pRoamingMngr->hOs); - } -#endif - - if (pRoamingMngr->candidateApIndex == CURRENT_AP_INDEX) - { /* get the current AP */ - pApToConnect = apConn_getBSSParams(pRoamingMngr->hAPConnection); - } - else - { /* get the candidate AP */ - pRoamingMngr->handoverWasPerformed = TI_TRUE; - pApToConnect = &pRoamingMngr->pListOfAPs->BSSList[pRoamingMngr->candidateApIndex]; - } - TRACE3(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smHandover, candidateApIndex=%d, requestType = %d, channel=%d \n", pRoamingMngr->candidateApIndex, requestToApConn.requestType, pApToConnect->channel); - - requestToApConn.dataBufLength = 0; - -#ifdef XCC_MODULE_INCLUDED - apConn_connectToAP(pRoamingMngr->hAPConnection, pApToConnect, &requestToApConn, pRoamingMngr->bSendTspecInReassPkt); -#else - apConn_connectToAP(pRoamingMngr->hAPConnection, pApToConnect, &requestToApConn, TI_TRUE); -#endif -} - -/** -* -* roamingMngr_smDisconnectWhileConnecting -* -* \b Description: -* -* This procedure is called when the Station is in the process of connection, - * and the AP disconnects the station. - * -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smDisconnectWhileConnecting(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smDisconnectWhileConnecting, candidateApIndex=%d \n", pRoamingMngr->candidateApIndex); - - if (pRoamingMngr->roamingTrigger > ROAMING_TRIGGER_FAST_CONNECT_GROUP) - { /* If the trigger is from the Full Connect group, then stop the connection. */ - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - - scanMngr_stopContScan(pRoamingMngr->hScanMngr); -#ifdef TI_DBG - pRoamingMngr->roamingFailedHandoverNum++; -#endif - apConn_disconnect(pRoamingMngr->hAPConnection); - - } -} - -/** -* -* roamingMngr_smSuccHandover -* -* \b Description: -* -* This procedure is called when handover succeeded. - * Inform Scan Manager about the new AP. - * UnMask Roaming Triggers. - * -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smSuccHandover(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - bssEntry_t *pNewConnectedAp; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - - TRACE1(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smSuccHandover, candidateApIndex=%d \n", pRoamingMngr->candidateApIndex); - - if (pRoamingMngr->handoverWasPerformed && - (pRoamingMngr->pListOfAPs != NULL) && - (pRoamingMngr->pListOfAPs->numOfEntries>0)) - { - if (pRoamingMngr->candidateApIndex == CURRENT_AP_INDEX) - { - /* get the current AP */ - pNewConnectedAp = apConn_getBSSParams(pRoamingMngr->hAPConnection); - } - else - { - /* get the candidate AP */ - pNewConnectedAp = &pRoamingMngr->pListOfAPs->BSSList[pRoamingMngr->candidateApIndex]; - } - - scanMngr_handoverDone(pRoamingMngr->hScanMngr, - &pNewConnectedAp->BSSID, - pNewConnectedAp->band); - } - pRoamingMngr->maskRoamingEvents = TI_FALSE; - pRoamingMngr->candidateApIndex = INVALID_CANDIDATE_INDEX; - pRoamingMngr->handoverWasPerformed = TI_FALSE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - - /* Start pre-authentication in order to set PMKID - for the current AP */ - if (pRoamingMngr->staCapabilities.authMode==os802_11AuthModeWPA2) - { - /* No Pre-Auth is required */ - bssList_t *pBssList; - - pBssList = os_memoryAlloc(pRoamingMngr->hOs, sizeof(bssList_t)); - if (!pBssList) - { - return; - } - pBssList->numOfEntries = 0; - apConn_preAuthenticate(pRoamingMngr->hAPConnection, pBssList); - os_memoryFree(pRoamingMngr->hOs, pBssList, sizeof(bssList_t)); - } -} - -/** -* -* roamingMngr_smFailHandover -* -* \b Description: -* -* This procedure is called when handover failed and there are no more - * APs to roam to. Disconnect the BSS and retrun to IDLE state. -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smFailHandover(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smFailHandover \n"); - - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - - scanMngr_stopContScan(pRoamingMngr->hScanMngr); -#ifdef TI_DBG - pRoamingMngr->roamingFailedHandoverNum++; -#endif - apConn_disconnect(pRoamingMngr->hAPConnection); -} - -/** -* -* roamingMngr_smScanFailure -* -* \b Description: -* -* This procedure is called when all scan attempts failed. - * Send Disconnect event and return to IDLE state. - * -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smScanFailure(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smScanFailure \n"); - - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - - scanMngr_stopContScan(pRoamingMngr->hScanMngr); - - apConn_disconnect(pRoamingMngr->hAPConnection); -} - -#if 0 -/** -* -* roamingMngr_smCmdFailure -* -* \b Description: -* -* This procedure is called when all the driver failed to prepare to Roaming. - * Mask all future Roaming triggers. - * -* -* \b ARGS: -* -* I - hRoamingMngr - roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smCmdFailure(TI_HANDLE hRoamingMngr) -{ - roamingMngr_t *pRoamingMngr; - - pRoamingMngr = (roamingMngr_t*)hRoamingMngr; - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smCmdFailure \n"); - - /* clean intenal variables */ - pRoamingMngr->maskRoamingEvents = TI_TRUE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; -} -#endif - -/** -* -* roamingMngr_smStartIdle - Start event when in Idle state -* -* \b Description: -* -* Start event when in Idle state. - * This function is called when the station becomes CONNECTED. - * Perform the following: - * - The current state becomes WAIT_4_TRIGGER - * - Unmask Roaming events - * - Set handoverWasPerformed to TI_FALSE - * - Start the Scan Manager -* -* \b ARGS: -* -* I - pData - pointer to the roamingMngr SM context \n -* -* \b RETURNS: -* -* TI_OK if successful, TI_NOK otherwise. -* -* -*/ -static void roamingMngr_smStartIdle(void *pData) -{ - roamingMngr_t *pRoamingMngr; - bssEntry_t *pCurBssEntry; - - pRoamingMngr = (roamingMngr_t*)pData; - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smStartIdle, Unmask Roaming events and start continuos scan \n"); - - pRoamingMngr->maskRoamingEvents = TI_FALSE; - pRoamingMngr->handoverWasPerformed = TI_FALSE; - pRoamingMngr->roamingTrigger = ROAMING_TRIGGER_NONE; - - pCurBssEntry = apConn_getBSSParams(pRoamingMngr->hAPConnection); - scanMngr_startContScan(pRoamingMngr->hScanMngr, &pCurBssEntry->BSSID, pCurBssEntry->band); - - /* Start pre-authentication in order to set PMKID - for the current AP */ - if (pRoamingMngr->staCapabilities.authMode==os802_11AuthModeWPA2) - { /* No Pre-Auth is required */ - bssList_t *pBssList; - - TRACE0(pRoamingMngr->hReport, REPORT_SEVERITY_INFORMATION, "roamingMngr_smStartIdle, Pre-Auth to cur AP\n"); - pBssList = os_memoryAlloc(pRoamingMngr->hOs, sizeof(bssList_t)); - if (!pBssList) - { - return; - } - - pBssList->numOfEntries = 0; - apConn_preAuthenticate(pRoamingMngr->hAPConnection, pBssList); - os_memoryFree(pRoamingMngr->hOs, pBssList, sizeof(bssList_t)); - } -} - |