/**
*
* 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);
if (pCurBssEntry != NULL)
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));
}
}
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;
}
/**
*
* 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);
if (pNewConnectedAp == NULL)
return;
}
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));
}
}
