/*
* bit31: Rx message defferred or not
* bit 0-15: message ID:
*/
void macTraceMsgRx(tpAniSirGlobal pMac, tANI_U8 session, tANI_U32 data)
{
tANI_U16 msgId = (tANI_U16)MAC_TRACE_GET_MSG_ID(data);
tANI_U8 moduleId = (tANI_U8)MAC_TRACE_GET_MODULE_ID(data);
switch(moduleId)
{
case SIR_LIM_MODULE_ID:
if(msgId >= SIR_LIM_ITC_MSG_TYPES_BEGIN)
macTrace(pMac, TRACE_CODE_RX_LIM_MSG, session, data);
else
macTrace(pMac, TRACE_CODE_RX_SME_MSG, session, data);
break;
case SIR_WDA_MODULE_ID:
macTrace(pMac, TRACE_CODE_RX_WDA_MSG, session, data);
break;
case SIR_CFG_MODULE_ID:
macTrace(pMac, TRACE_CODE_RX_CFG_MSG, session, data);
break;
default:
macTrace(pMac, moduleId, session, data);
break;
}
}
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
limReleasePreAuthNode(tpAniSirGlobal pMac, tpLimPreAuthNode pAuthNode)
{
pAuthNode->fFree = 1;
MTRACE(macTrace(pMac, TRACE_CODE_TIMER_DEACTIVATE, NO_SESSION, eLIM_PRE_AUTH_CLEANUP_TIMER));
tx_timer_deactivate(&pAuthNode->timer);
pMac->lim.gLimNumPreAuthContexts--;
} /*** end limReleasePreAuthNode() ***/
static void __limInitStates(tpAniSirGlobal pMac)
{
pMac->lim.gLimHBfailureCntInLinkEstState = 0;
pMac->lim.gLimProbeFailureAfterHBfailedCnt = 0;
pMac->lim.gLimHBfailureCntInOtherStates = 0;
pMac->lim.gLimRspReqd = 0;
pMac->lim.gLimPrevSmeState = eLIM_SME_OFFLINE_STATE;
MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, NO_SESSION, eLIM_MLM_IDLE_STATE));
pMac->lim.gLimMlmState = eLIM_MLM_IDLE_STATE;
pMac->lim.gLimPrevMlmState = eLIM_MLM_OFFLINE_STATE;
#ifdef GEN4_SCAN
pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE;
#endif
pMac->lim.gLimSmeState = eLIM_SME_OFFLINE_STATE;
vos_mem_set(&pMac->lim.gLimOverlap11gParams, sizeof(tLimProtStaParams), 0);
vos_mem_set(&pMac->lim.gLimOverlap11aParams, sizeof(tLimProtStaParams), 0);
vos_mem_set(&pMac->lim.gLimOverlapHt20Params, sizeof(tLimProtStaParams), 0);
vos_mem_set(&pMac->lim.gLimOverlapNonGfParams, sizeof(tLimProtStaParams), 0);
vos_mem_set(&pMac->lim.gLimNoShortParams, sizeof(tLimNoShortParams), 0);
vos_mem_set(&pMac->lim.gLimNoShortSlotParams, sizeof(tLimNoShortSlotParams), 0);
pMac->lim.gLimPhyMode = 0;
pMac->lim.scanStartTime = 0;
vos_mem_set(pMac->lim.gLimMyMacAddr, sizeof(pMac->lim.gLimMyMacAddr), 0);
pMac->lim.ackPolicy = 0;
#if 0
pMac->lim.gLimQosEnabled = 0;
pMac->lim.gLimWmeEnabled = 0;
pMac->lim.gLimWsmEnabled = 0;
pMac->lim.gLimHcfEnabled = 0;
pMac->lim.gLim11dEnabled = 0;
#endif
pMac->lim.gLimProbeRespDisableFlag = 0;
}
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() ***/
void
limProcessBeaconFrame(tpAniSirGlobal pMac, tANI_U8 *pRxPacketInfo,tpPESession psessionEntry)
{
tpSirMacMgmtHdr pHdr;
tSchBeaconStruct *pBeacon;
pMac->lim.gLimNumBeaconsRcvd++;
/* here is it required to increment session specific heartBeat beacon counter */
pHdr = WDA_GET_RX_MAC_HEADER(pRxPacketInfo);
limLog(pMac, LOG2, FL("Received Beacon frame with length=%d from "),
WDA_GET_RX_MPDU_LEN(pRxPacketInfo));
limPrintMacAddr(pMac, pHdr->sa, LOG2);
if (!pMac->fScanOffload)
{
if (limDeactivateMinChannelTimerDuringScan(pMac) != eSIR_SUCCESS)
return;
}
/**
* Expect Beacon only when
* 1. STA is in Scan mode waiting for Beacon/Probe response or
* 2. STA is waiting for Beacon/Probe Respose Frame
* to announce join success.
* 3. STA/AP is in Learn mode
*/
if ((pMac->lim.gLimMlmState == eLIM_MLM_WT_PROBE_RESP_STATE) ||
(pMac->lim.gLimMlmState == eLIM_MLM_PASSIVE_SCAN_STATE) ||
(pMac->lim.gLimMlmState == eLIM_MLM_LEARN_STATE) ||
(psessionEntry->limMlmState == eLIM_MLM_WT_JOIN_BEACON_STATE)
|| pMac->fScanOffload
)
{
pBeacon = vos_mem_malloc(sizeof(tSchBeaconStruct));
if ( NULL == pBeacon )
{
limLog(pMac, LOGE, FL("Unable to allocate memory in limProcessBeaconFrame") );
return;
}
// Parse received Beacon
if (sirConvertBeaconFrame2Struct(pMac, (tANI_U8 *) pRxPacketInfo,
pBeacon) != eSIR_SUCCESS)
{
// Received wrongly formatted/invalid Beacon.
// Ignore it and move on.
limLog(pMac, LOGW,
FL("Received invalid Beacon in state %d"),
psessionEntry->limMlmState);
limPrintMlmState(pMac, LOGW, psessionEntry->limMlmState);
if ((!psessionEntry->currentBssBeaconCnt) &&
(sirCompareMacAddr( psessionEntry->bssId, pHdr->sa)))
limParseBeaconForTim(pMac, (tANI_U8 *) pRxPacketInfo, psessionEntry);
vos_mem_free(pBeacon);
return;
}
/*during scanning, when any session is active, and beacon/Pr belongs to
one of the session, fill up the following, TBD - HB couter */
if ((!psessionEntry->lastBeaconDtimPeriod) &&
(sirCompareMacAddr( psessionEntry->bssId, pBeacon->bssid)))
{
vos_mem_copy(( tANI_U8* )&psessionEntry->lastBeaconTimeStamp,
( tANI_U8* )pBeacon->timeStamp, sizeof(tANI_U64) );
psessionEntry->lastBeaconDtimCount = pBeacon->tim.dtimCount;
psessionEntry->lastBeaconDtimPeriod= pBeacon->tim.dtimPeriod;
psessionEntry->currentBssBeaconCnt++;
}
MTRACE(macTrace(pMac, TRACE_CODE_RX_MGMT_TSF, 0, pBeacon->timeStamp[0]);)
/**
* sysBbtProcessMessageCore
*
* FUNCTION:
* Process BBT messages
*
* LOGIC:
*
* ASSUMPTIONS:
*
* NOTE:
*
* @param tpAniSirGlobal A pointer to MAC params instance
* @param pMsg message pointer
* @param tANI_U32 type
* @param tANI_U32 sub type
* @return None
*/
tSirRetStatus
sysBbtProcessMessageCore(tpAniSirGlobal pMac, tpSirMsgQ pMsg, tANI_U32 type,
tANI_U32 subType)
{
tANI_U32 framecount;
tSirRetStatus ret;
void* pBd;
tMgmtFrmDropReason dropReason;
vos_pkt_t *pVosPkt = (vos_pkt_t *)pMsg->bodyptr;
VOS_STATUS vosStatus =
WDA_DS_PeekRxPacketInfo( pVosPkt, (v_PVOID_t *)&pBd, VOS_FALSE );
pMac->sys.gSysBbtReceived++;
if ( !VOS_IS_STATUS_SUCCESS(vosStatus) )
{
goto fail;
}
sysLog(pMac, LOG3, FL("Rx Mgmt Frame Subtype: %d\n"), subType);
sirDumpBuf(pMac, SIR_SYS_MODULE_ID, LOG3, (tANI_U8 *)WDA_GET_RX_MAC_HEADER(pBd), WDA_GET_RX_MPDU_LEN(pBd));
sirDumpBuf(pMac, SIR_SYS_MODULE_ID, LOG3, WDA_GET_RX_MPDU_DATA(pBd), WDA_GET_RX_PAYLOAD_LEN(pBd));
pMac->sys.gSysFrameCount[type][subType]++;
framecount = pMac->sys.gSysFrameCount[type][subType];
if(type == SIR_MAC_MGMT_FRAME)
{
tpSirMacMgmtHdr mac_hdr;
/*
* Drop beacon frames in deferred state to avoid VOSS run out of
* message wrappers.
*/
if ((subType == SIR_MAC_MGMT_BEACON) &&
(!limIsSystemInScanState(pMac)) &&
(true != GET_LIM_PROCESS_DEFD_MESGS(pMac)) &&
!pMac->lim.gLimSystemInScanLearnMode) {
sysLog(pMac, LOG1,
FL("dropping received beacon in deffered state"));
goto fail;
}
dropReason = limIsPktCandidateForDrop(pMac, pBd, subType);
if (dropReason != eMGMT_DROP_NO_DROP) {
sysLog(pMac, LOG1,
FL("Mgmt Frame %d being dropped, reason: %d\n"),
subType, dropReason);
MTRACE(macTrace(pMac, TRACE_CODE_RX_MGMT_DROP, NO_SESSION, dropReason));
goto fail;
}
mac_hdr = WDA_GET_RX_MAC_HEADER(pBd);
if (subType == SIR_MAC_MGMT_ASSOC_REQ) {
sysLog(pMac, LOG1,
FL("ASSOC REQ frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", Assoc Req count so far: %d\n"),
MAC_ADDR_ARRAY(mac_hdr->da),
MAC_ADDR_ARRAY(mac_hdr->sa),
MAC_ADDR_ARRAY(mac_hdr->bssId),
pMac->sys.gSysFrameCount[type][subType]);
}
if (subType == SIR_MAC_MGMT_DEAUTH)
{
sysLog(pMac, LOG1,
FL("DEAUTH frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", DEAUTH count so far: %d\n"),
MAC_ADDR_ARRAY(mac_hdr->da),
MAC_ADDR_ARRAY(mac_hdr->sa),
MAC_ADDR_ARRAY(mac_hdr->bssId),
pMac->sys.gSysFrameCount[type][subType]);
}
if (subType == SIR_MAC_MGMT_DISASSOC)
{
sysLog(pMac, LOG1,
FL("DISASSOC frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", DISASSOC count so far: %d\n"),
MAC_ADDR_ARRAY(mac_hdr->da),
MAC_ADDR_ARRAY(mac_hdr->sa),
MAC_ADDR_ARRAY(mac_hdr->bssId),
pMac->sys.gSysFrameCount[type][subType]);
}
//Post the message to PE Queue
ret = (tSirRetStatus) limPostMsgApi(pMac, pMsg);
if (ret != eSIR_SUCCESS)
{
/* Print only one debug failure out of 512 failure messages */
if(pMac->sys.gSysBbtReceived & 0x0200)
sysLog(pMac, LOGE,
FL("posting to LIM2 failed, ret %d"), ret);
goto fail;
}
pMac->sys.gSysBbtPostedToLim++;
}
else if (type == SIR_MAC_DATA_FRAME)
{
#ifdef FEATURE_WLAN_ESE
sysLog(pMac, LOGW, FL("IAPP Frame...\n"));
//Post the message to PE Queue
ret = (tSirRetStatus) limPostMsgApi(pMac, pMsg);
if (ret != eSIR_SUCCESS)
{
sysLog(pMac, LOGE, FL("posting to LIM2 failed, ret %d\n"), ret);
goto fail;
}
pMac->sys.gSysBbtPostedToLim++;
#endif
}
else
{
sysLog(pMac, LOG3, "BBT received Invalid type %d subType %d "
"LIM state %X. BD dump is:\n",
type, subType, limGetSmeState(pMac));
sirDumpBuf(pMac, SIR_SYS_MODULE_ID, LOG3,
(tANI_U8 *) pBd, WLANHAL_RX_BD_HEADER_SIZE);
goto fail;
}
return eSIR_SUCCESS;
fail:
pMac->sys.gSysBbtDropped++;
return eSIR_FAILURE;
}
