tANI_U32
limDeactivateMinChannelTimerDuringScan(tpAniSirGlobal pMac)
{
if ((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) && (pMac->lim.gLimHalScanState == eLIM_HAL_SCANNING_STATE))
{
/**
* Beacon/Probe Response is received during active scanning.
* Deactivate MIN channel timer if running.
*/
limDeactivateAndChangeTimer(pMac,eLIM_MIN_CHANNEL_TIMER);
MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, NO_SESSION, eLIM_MAX_CHANNEL_TIMER));
if (tx_timer_activate(&pMac->lim.limTimers.gLimMaxChannelTimer)
== TX_TIMER_ERROR)
{
/// Could not activate max channel timer.
// Log error
limLog(pMac,LOGP, FL("could not activate max channel timer"));
limCompleteMlmScan(pMac, eSIR_SME_RESOURCES_UNAVAILABLE);
return TX_TIMER_ERROR;
}
}
return eSIR_SUCCESS;
} /*** end limDeactivateMinChannelTimerDuringScan() ***/
void
limRestoreFromAuthState(tpAniSirGlobal pMac, tSirResultCodes resultCode, tANI_U16 protStatusCode,tpPESession sessionEntry)
{
tSirMacAddr currentBssId;
tLimMlmAuthCnf mlmAuthCnf;
vos_mem_copy( (tANI_U8 *) &mlmAuthCnf.peerMacAddr,
(tANI_U8 *) &pMac->lim.gpLimMlmAuthReq->peerMacAddr,
sizeof(tSirMacAddr));
mlmAuthCnf.authType = pMac->lim.gpLimMlmAuthReq->authType;
mlmAuthCnf.resultCode = resultCode;
mlmAuthCnf.protStatusCode = protStatusCode;
/* Update PE session ID*/
mlmAuthCnf.sessionId = sessionEntry->peSessionId;
/// Free up buffer allocated
/// for pMac->lim.gLimMlmAuthReq
vos_mem_free(pMac->lim.gpLimMlmAuthReq);
pMac->lim.gpLimMlmAuthReq = NULL;
sessionEntry->limMlmState = sessionEntry->limPrevMlmState;
MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, sessionEntry->peSessionId, sessionEntry->limMlmState));
// 'Change' timer for future activations
limDeactivateAndChangeTimer(pMac, eLIM_AUTH_FAIL_TIMER);
#if 0
if (wlan_cfgGetStr(pMac, WNI_CFG_BSSID, currentBssId, &cfg) != eSIR_SUCCESS)
{
/// Could not get BSSID from CFG. Log error.
limLog(pMac, LOGP, FL("could not retrieve BSSID"));
}
#endif //TO SUPPORT BT-AMP
sirCopyMacAddr(currentBssId,sessionEntry->bssId);
if (sessionEntry->limSmeState == eLIM_SME_WT_PRE_AUTH_STATE)
{
pMac->lim.gLimPreAuthChannelNumber = 0;
}
limPostSmeMessage(pMac,
LIM_MLM_AUTH_CNF,
(tANI_U32 *) &mlmAuthCnf);
} /*** end limRestoreFromAuthState() ***/
int limProcessRemainOnChnlReq(tpAniSirGlobal pMac, tANI_U32 *pMsg)
{
/* CONC_OPER_AND_LISTEN_CHNL_SAME_OPTIMIZE - Currently removed the special optimization when a concurrent session
* exists with operating channel same as P2P listen channel since it was causing issues in P2P search. The reason was
* STA-AP link entering BMPS when returning to home channel causing P2P search to miss Probe Reqs and hence not
* respond with Probe Rsp causing peer device to NOT find us.
* If we need this optimization, we need to find a way to keep the STA-AP link awake (no BMPS) on home channel when in listen state
*/
#ifdef CONC_OPER_AND_LISTEN_CHNL_SAME_OPTIMIZE
tANI_U8 i;
tpPESession psessionEntry;
#endif
#ifdef WLAN_FEATURE_P2P_INTERNAL
tpPESession pP2pSession;
#endif
tSirRemainOnChnReq *MsgBuff = (tSirRemainOnChnReq *)pMsg;
pMac->lim.gpLimRemainOnChanReq = MsgBuff;
#ifdef CONC_OPER_AND_LISTEN_CHNL_SAME_OPTIMIZE
for (i =0; i < pMac->lim.maxBssId;i++)
{
psessionEntry = peFindSessionBySessionId(pMac,i);
if ( (psessionEntry != NULL) )
{
if (psessionEntry->currentOperChannel == MsgBuff->chnNum)
{
tANI_U32 val;
tSirMacAddr nullBssid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
pMac->lim.p2pRemOnChanTimeStamp = vos_timer_get_system_time();
pMac->lim.gTotalScanDuration = MsgBuff->duration;
/* get the duration from the request */
val = SYS_MS_TO_TICKS(MsgBuff->duration);
limLog( pMac, LOG2, "Start listen duration = %d", val);
if (tx_timer_change(
&pMac->lim.limTimers.gLimRemainOnChannelTimer, val, 0)
!= TX_SUCCESS)
{
limLog(pMac, LOGP,
FL("Unable to change remain on channel Timer val"));
goto error;
}
else if(TX_SUCCESS != tx_timer_activate(
&pMac->lim.limTimers.gLimRemainOnChannelTimer))
{
limLog(pMac, LOGP,
FL("Unable to activate remain on channel Timer"));
limDeactivateAndChangeTimer(pMac, eLIM_REMAIN_CHN_TIMER);
goto error;
}
#ifdef WLAN_FEATURE_P2P_INTERNAL
//Session is needed to send probe rsp
if(eSIR_SUCCESS != limCreateSessionForRemainOnChn(pMac, &pP2pSession))
{
limLog( pMac, LOGE, "Unable to create session");
goto error;
}
#endif
if ((limSetLinkState(pMac, eSIR_LINK_LISTEN_STATE,
nullBssid, pMac->lim.gSelfMacAddr,
limSetLinkStateP2PCallback, NULL)) != eSIR_SUCCESS)
{
limLog( pMac, LOGE, "Unable to change link state");
goto error;
}
return FALSE;
}
}
}
#endif
pMac->lim.gLimPrevMlmState = pMac->lim.gLimMlmState;
pMac->lim.gLimMlmState = eLIM_MLM_P2P_LISTEN_STATE;
pMac->lim.gTotalScanDuration = MsgBuff->duration;
/* 1st we need to suspend link with callback to initiate change channel */
limSuspendLink(pMac, eSIR_CHECK_LINK_TRAFFIC_BEFORE_SCAN,
limRemainOnChnlSuspendLinkHdlr, NULL);
return FALSE;
#ifdef CONC_OPER_AND_LISTEN_CHNL_SAME_OPTIMIZE
error:
limRemainOnChnRsp(pMac,eHAL_STATUS_FAILURE, NULL);
/* pMsg is freed by the caller */
return FALSE;
#endif
}