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