wlan: Add support to get rssi in case of disconnect.
LOST LINK PARAMS IND is sent by FW to Host which has the
rssi of the last beacon received from AP.This indication
is sent in the below scenarios.
1) When host sends the Delbss, FW will send this indication
with the RSSI.
2) FW will send this indication along with the beaon miss
indication.
3) Rssi is cached from the deauth/Disassoc from the AP.
This RSSI is cached in pAdapter.When user issues getRssi ioctl,
then this RSSI will be sent to user if STA is in disconnect
state.
Change-Id: If42830f617b646fd524eee9dc6f8c81f4f707dcd
CRs-Fixed: 898495
diff --git a/CORE/MAC/src/pe/lim/limApi.c b/CORE/MAC/src/pe/lim/limApi.c
index 6f75040..0e35219 100644
--- a/CORE/MAC/src/pe/lim/limApi.c
+++ b/CORE/MAC/src/pe/lim/limApi.c
@@ -2170,6 +2170,105 @@
return;
}
+
+void limUpdateLostLinkParams(tpAniSirGlobal pMac,
+ tpPESession psessionEntry, tANI_U8 *pRxPacketInfo)
+{
+ tpSirSmeLostLinkParamsInd pSmeLostLinkParams;
+ tSirMsgQ mmhMsg;
+ if (NULL == pRxPacketInfo)
+ {
+ return;
+ }
+ pSmeLostLinkParams =
+ (tpSirSmeLostLinkParamsInd)vos_mem_malloc(sizeof(tSirSmeLostLinkParamsInd));
+ vos_mem_set(pSmeLostLinkParams, sizeof(tSirSmeLostLinkParamsInd), 0);
+ pSmeLostLinkParams->messageType = eWNI_SME_LOST_LINK_PARAMS_IND;
+ pSmeLostLinkParams->length = sizeof(tSirSmeLostLinkParamsInd);
+ pSmeLostLinkParams->sessionId = psessionEntry->smeSessionId;
+ pSmeLostLinkParams->info.bssIdx = psessionEntry->bssIdx;
+
+ /*
+ * Since FW adds 100 to RSSI, here also we are adding 100 so that
+ * HDD has common logic to subtract 100 from RSSI received
+ */
+ pSmeLostLinkParams->info.rssi = WDA_GET_RX_RSSI_DB(pRxPacketInfo) + 100;
+ vos_mem_copy(pSmeLostLinkParams->info.selfMacAddr,
+ psessionEntry->selfMacAddr,
+ sizeof(tSirMacAddr));
+ pSmeLostLinkParams->info.lastDataRate = 0;
+ pSmeLostLinkParams->info.linkFlCnt = 0;
+ pSmeLostLinkParams->info.linkFlTx = 0;
+ pSmeLostLinkParams->info.rsvd1 = 0;
+ pSmeLostLinkParams->info.rsvd2 = 0;
+
+ mmhMsg.type = eWNI_SME_LOST_LINK_PARAMS_IND;
+ mmhMsg.bodyptr = pSmeLostLinkParams;
+ mmhMsg.bodyval = 0;
+ limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT);
+}
+
+/** -----------------------------------------------------------------
+ \brief limProcessLostLinkParamsInd() - handles lost link params indication
+
+ This function process the SIR_HAL_LOST_LINK_PARAMS_IND message from HAL,
+
+ \param pMac - global mac structure
+ \return - none
+ \sa
+ ----------------------------------------------------------------- */
+
+void limProcessLostLinkParamsInd(tpAniSirGlobal pMac, tpSirMsgQ pMsg)
+{
+ tpSirSmeLostLinkParamsInd pSmeLostLinkParamsInd;
+ tpSirSmeLostLinkParamsInd pLostLInkParamsInd = (tpSirSmeLostLinkParamsInd)pMsg->bodyptr;
+ tpPESession psessionEntry ;
+ tSirMsgQ mmhMsg;
+
+ if (NULL == pLostLInkParamsInd)
+ {
+ limLog(pMac, LOGE,
+ FL("pLostLInkParamsInd is NULL"));
+ return;
+ }
+
+ psessionEntry = peFindSessionByBssIdx(pMac,pLostLInkParamsInd->info.bssIdx);
+ if (psessionEntry == NULL)
+ {
+ limLog(pMac, LOGE,
+ FL("session does not exist for bdssIdx : %d"),
+ pLostLInkParamsInd->info.bssIdx);
+
+ return;
+ }
+ pSmeLostLinkParamsInd = vos_mem_malloc(sizeof(tSirSmeLostLinkParamsInd));
+ if (pSmeLostLinkParamsInd == NULL)
+ {
+ limLog(pMac, LOGP,
+ FL("memory allocate failed for eWNI_SME_LOST_LINK_PARAMD_IND"));
+ return;
+ }
+ pSmeLostLinkParamsInd->messageType = eWNI_SME_LOST_LINK_PARAMS_IND;
+ pSmeLostLinkParamsInd->length = sizeof(tSirSmeLostLinkParamsInd);
+ pSmeLostLinkParamsInd->sessionId = psessionEntry->smeSessionId;
+ pSmeLostLinkParamsInd->info.bssIdx = pLostLInkParamsInd->info.bssIdx;
+ pSmeLostLinkParamsInd->info.rssi = pLostLInkParamsInd->info.rssi;
+ vos_mem_copy(pSmeLostLinkParamsInd->info.selfMacAddr,
+ pLostLInkParamsInd->info.selfMacAddr,
+ sizeof(tSirMacAddr));
+ pSmeLostLinkParamsInd->info.linkFlCnt = pLostLInkParamsInd->info.linkFlCnt;
+ pSmeLostLinkParamsInd->info.linkFlTx = pLostLInkParamsInd->info.linkFlTx;
+ pSmeLostLinkParamsInd->info.lastDataRate = pLostLInkParamsInd->info.lastDataRate;
+ pSmeLostLinkParamsInd->info.rsvd1 = pLostLInkParamsInd->info.rsvd1;
+ pSmeLostLinkParamsInd->info.rsvd2 = pLostLInkParamsInd->info.rsvd2;
+
+ mmhMsg.type = eWNI_SME_LOST_LINK_PARAMS_IND;
+ mmhMsg.bodyptr = pSmeLostLinkParamsInd;
+ mmhMsg.bodyval = 0;
+ limSysProcessMmhMsgApi(pMac, &mmhMsg, ePROT);
+ return;
+}
+
/** -----------------------------------------------------------------
\brief limMicFailureInd() - handles mic failure indication
diff --git a/CORE/MAC/src/pe/lim/limProcessDeauthFrame.c b/CORE/MAC/src/pe/lim/limProcessDeauthFrame.c
index 2c78011..a7d4df8 100644
--- a/CORE/MAC/src/pe/lim/limProcessDeauthFrame.c
+++ b/CORE/MAC/src/pe/lim/limProcessDeauthFrame.c
@@ -471,6 +471,10 @@
pStaDs->mlmStaContext.disassocReason = (tSirMacReasonCodes)reasonCode;
pStaDs->mlmStaContext.cleanupTrigger = eLIM_PEER_ENTITY_DEAUTH;
+
+ /* send the LOST_LINK_PARAMS_IND to SME*/
+ limUpdateLostLinkParams(pMac, psessionEntry, pRxPacketInfo);
+
/// Issue Deauth Indication to SME.
vos_mem_copy((tANI_U8 *) &mlmDeauthInd.peerMacAddr,
pStaDs->staAddr,
diff --git a/CORE/MAC/src/pe/lim/limProcessDisassocFrame.c b/CORE/MAC/src/pe/lim/limProcessDisassocFrame.c
index 510ae2a..32e15b2 100644
--- a/CORE/MAC/src/pe/lim/limProcessDisassocFrame.c
+++ b/CORE/MAC/src/pe/lim/limProcessDisassocFrame.c
@@ -332,7 +332,7 @@
limRestorePreReassocState(pMac,eSIR_SME_REASSOC_REFUSED, reasonCode,psessionEntry);
return;
}
-
+ limUpdateLostLinkParams(pMac, psessionEntry, pRxPacketInfo);
limPostSmeMessage(pMac, LIM_MLM_DISASSOC_IND,
(tANI_U32 *) &mlmDisassocInd);
diff --git a/CORE/MAC/src/pe/lim/limProcessMessageQueue.c b/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
index 47323eb..d47b0e8 100644
--- a/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
+++ b/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
@@ -151,6 +151,7 @@
(limMsg->type != WDA_START_OEM_DATA_RSP) &&
#endif
(limMsg->type != WDA_ADD_TS_RSP) &&
+ (limMsg->type != WDA_LOST_LINK_PARAMS_IND) &&
/* Allow processing of RX frames while awaiting reception of
ADD TS response over the air. This logic particularly handles the
case when host sends ADD BA request to FW after ADD TS request
@@ -1753,7 +1754,11 @@
limMsg->bodyptr = NULL;
break;
-
+ case WDA_LOST_LINK_PARAMS_IND:
+ limProcessLostLinkParamsInd(pMac,limMsg);
+ vos_mem_free(limMsg->bodyptr);
+ limMsg->bodyptr = NULL;
+ break;
case SIR_LIM_ADDTS_RSP_TIMEOUT:
limProcessSmeReqMessages(pMac,limMsg);
diff --git a/CORE/MAC/src/pe/lim/limUtils.c b/CORE/MAC/src/pe/lim/limUtils.c
index 8cc043a..9c7ff2e 100644
--- a/CORE/MAC/src/pe/lim/limUtils.c
+++ b/CORE/MAC/src/pe/lim/limUtils.c
@@ -576,6 +576,8 @@
return "eWNI_SME_DEAUTH_CNF";
case eWNI_SME_MIC_FAILURE_IND:
return "eWNI_SME_MIC_FAILURE_IND";
+ case eWNI_SME_LOST_LINK_PARAMS_IND:
+ return "eWNI_SME_LOST_LINK_PARAMS_IND";
case eWNI_SME_ADDTS_REQ:
return "eWNI_SME_ADDTS_REQ";
case eWNI_SME_ADDTS_RSP: