diff --git a/CORE/MAC/inc/aniSystemDefs.h b/CORE/MAC/inc/aniSystemDefs.h
index fbc8ffc..0eb1cce 100644
--- a/CORE/MAC/inc/aniSystemDefs.h
+++ b/CORE/MAC/inc/aniSystemDefs.h
@@ -222,6 +222,18 @@
 
 } tSirMicFailureInfo, *tpSirMicFailureInfo;
 
+typedef struct sSirLostLinkParamsInfo
+{
+    tANI_U8 bssIdx;
+    tANI_U8  rssi;
+    tSirMacAddr  selfMacAddr;
+    tANI_U32 linkFlCnt;
+    tANI_U32 linkFlTx;
+    tANI_U32 lastDataRate;
+    tANI_U32 rsvd1;
+    tANI_U32 rsvd2;
+}tSirLostLinkParamsInfo, *tpSirLostLinkParamsInfo;
+
 // Boa command. Used mainly for radar info persistance
 typedef struct sBoaCommand
 {
diff --git a/CORE/MAC/inc/sirApi.h b/CORE/MAC/inc/sirApi.h
index cc57479..edf656b 100644
--- a/CORE/MAC/inc/sirApi.h
+++ b/CORE/MAC/inc/sirApi.h
@@ -1755,6 +1755,15 @@
     tSirMicFailureInfo     info;
 } tSirSmeMicFailureInd, *tpSirSmeMicFailureInd;
 
+typedef struct sSirSmeLostLinkParamsInd
+{
+    tANI_U16  messageType;
+    tANI_U16  length;
+    tANI_U8 sessionId;
+    tSirLostLinkParamsInfo info;
+} tSirSmeLostLinkParamsInd, *tpSirSmeLostLinkParamsInd;
+
+
 typedef struct sSirSmeMissedBeaconInd
 {
     tANI_U16                    messageType; // eWNI_SME_MISSED_BEACON_IND
@@ -5086,6 +5095,8 @@
 
 #endif /* WLAN_FEATURE_LINK_LAYER_STATS */
 
+
+
 #ifdef WLAN_FEATURE_EXTSCAN
 
 typedef enum
diff --git a/CORE/MAC/inc/wniApi.h b/CORE/MAC/inc/wniApi.h
index 340196e..014b0c4 100644
--- a/CORE/MAC/inc/wniApi.h
+++ b/CORE/MAC/inc/wniApi.h
@@ -234,6 +234,7 @@
     eWNI_SME_CLEAR_DFS_CHANNEL_LIST,
     eWNI_SME_PRE_CHANNEL_SWITCH_FULL_POWER,
     eWNI_SME_GET_SNR_REQ,
+    eWNI_SME_LOST_LINK_PARAMS_IND,
     //General Power Save Messages
     eWNI_PMC_MSG_TYPES_BEGIN,
     eWNI_PMC_PWR_SAVE_CFG,
diff --git a/CORE/MAC/src/include/sirParams.h b/CORE/MAC/src/include/sirParams.h
index 57185dc..a103fd8 100644
--- a/CORE/MAC/src/include/sirParams.h
+++ b/CORE/MAC/src/include/sirParams.h
@@ -714,6 +714,7 @@
 #define SIR_HAL_FATAL_EVENT_LOGS_REQ         (SIR_HAL_ITC_MSG_TYPES_BEGIN + 271)
 #define SIR_HAL_LPHB_CONF_IND              (SIR_HAL_ITC_MSG_TYPES_BEGIN + 272)
 #define SIR_HAL_SEND_LOG_DONE_IND            (SIR_HAL_ITC_MSG_TYPES_BEGIN + 273)
+#define SIR_HAL_LOST_LINK_PARAMS_IND         (SIR_HAL_ITC_MSG_TYPES_BEGIN + 274)
 
 #define SIR_HAL_MSG_TYPES_END              (SIR_HAL_MSG_TYPES_BEGIN + 0x1FF)
 // CFG message types
diff --git a/CORE/MAC/src/pe/include/limApi.h b/CORE/MAC/src/pe/include/limApi.h
index 1ff6435..51a910f 100644
--- a/CORE/MAC/src/pe/include/limApi.h
+++ b/CORE/MAC/src/pe/include/limApi.h
@@ -197,6 +197,12 @@
 bool lim_is_assoc_req_for_drop(tpAniSirGlobal mac, uint8_t *rx_pkt_info);
 #endif
 void limMicFailureInd(tpAniSirGlobal pMac, tpSirMsgQ pMsg);
+
+void limProcessLostLinkParamsInd(tpAniSirGlobal pMac, tpSirMsgQ pMsg);
+void limUpdateLostLinkParams(tpAniSirGlobal pMac,
+                   tpPESession psessionEntry, tANI_U8 *pRxPacketInfo);
+
+
 /* ----------------------------------------------------------------------- */
 // These used to be in DPH
 extern void limSetBssid(tpAniSirGlobal pMac, tANI_U8 *bssId);
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: