qcacld-3.0: Log the rssi info from FW in sta kick out event

qcacld-2.0 to qcacld-3.0 propagation.

Log the RSSI info of the disconnect if the STA disconnection is
due to STA kick out event from FW.

Change-Id: I0fad3f8d0e7990f4211b7840bed7605a4b97f3cb
CRs-Fixed: 874197

core/hdd/src/wlan_hdd_assoc.c

@@ -1046,15 +1046,19 @@ static CDF_STATUS hdd_dis_connect_handler(hdd_adapter_t *pAdapter,
 			 * To avoid wpa_supplicant sending "HANGED" CMD
 			 * to ICS UI.
 			 */
-			if (eCSR_ROAM_LOSTLINK == roamStatus)
+			if (eCSR_ROAM_LOSTLINK == roamStatus) {
+				if (pRoamInfo->reasonCode ==
+				    eSIR_MAC_PEER_STA_REQ_LEAVING_BSS_REASON)
+					pr_info("wlan: disconnected due to poor signal, rssi is %d dB\n", pRoamInfo->rxRssi);
 				cfg80211_disconnected(dev, pRoamInfo->
 						      reasonCode, NULL,
 						      0, GFP_KERNEL);
-			else
+			} else {
 				cfg80211_disconnected(dev,
 					      WLAN_REASON_UNSPECIFIED,
 					      NULL, 0,
 					      GFP_KERNEL);
+			}
 
 			hdd_info("sent disconnected event to nl80211, rssi: %d",
 				pAdapter->rssi);

core/mac/inc/sir_api.h

@@ -1398,6 +1398,7 @@ typedef struct sSirSmeDeauthInd {
 
 	uint16_t staId;
 	uint32_t reasonCode;
+	int8_t rssi;
 } tSirSmeDeauthInd, *tpSirSmeDeauthInd;
 
 /* / Definition for stop BSS request message */

core/mac/src/include/dph_global.h

@@ -240,6 +240,8 @@ typedef struct sDphHashNode {
 	uint8_t is_disassoc_deauth_in_progress;
 
 	uint8_t nss;
+	int8_t del_sta_ctx_rssi;
+
 	/*
 	 * When a station with already an existing dph entry tries to
 	 * associate again, the old dph entry will be zeroed out except

core/mac/src/pe/lim/lim_link_monitoring_algo.c

@@ -92,6 +92,7 @@ static void lim_delete_sta_util(tpAniSirGlobal mac_ctx, tpDeleteStaContext msg,
 		cdf_mem_free(msg);
 		return;
 	}
+	stads->del_sta_ctx_rssi = msg->rssi;
 
 	/* check and see if same staId. This is to avoid the scenario
 	 * where we're trying to delete a staId we just added.

core/mac/src/pe/lim/lim_send_sme_rsp_messages.c

@@ -1125,6 +1125,9 @@ lim_send_sme_deauth_ind(tpAniSirGlobal pMac, tpDphHashNode pStaDs,
 	pSirSmeDeauthInd->reasonCode = pStaDs->mlmStaContext.disassocReason;
 
 	pSirSmeDeauthInd->staId = pStaDs->staIndex;
+	if (eSIR_MAC_PEER_STA_REQ_LEAVING_BSS_REASON ==
+		pStaDs->mlmStaContext.disassocReason)
+		pSirSmeDeauthInd->rssi = pStaDs->del_sta_ctx_rssi;
 
 	mmhMsg.type = eWNI_SME_DEAUTH_IND;
 	mmhMsg.bodyptr = pSirSmeDeauthInd;

core/sme/src/csr/csr_api_roam.c

@@ -11336,6 +11336,7 @@ CDF_STATUS csr_roam_lost_link(tpAniSirGlobal pMac, uint32_t sessionId,
 				sizeof(tSirMacAddr));
 		roamInfo.staId = (uint8_t) pDeauthIndMsg->staId;
 		roamInfo.reasonCode = pDeauthIndMsg->reasonCode;
+		roamInfo.rxRssi = pDeauthIndMsg->rssi;
 	}
 	sms_log(pMac, LOGW, FL("roamInfo.staId (%d)"), roamInfo.staId);
 

core/wma/inc/wma_if.h

@@ -592,6 +592,7 @@ typedef enum eSmpsModeValue {
  * @bssId: mac address
  * @addr2: mac address
  * @reasonCode: reason code
+ * @rssi: rssi value during disconnection
  */
 typedef struct {
 	uint16_t assocId;
@@ -599,6 +600,7 @@ typedef struct {
 	tSirMacAddr bssId;
 	tSirMacAddr addr2;
 	uint16_t reasonCode;
+	int8_t rssi;
 } tDeleteStaContext, *tpDeleteStaContext;
 
 /**

core/wma/src/wma_mgmt.c

@@ -440,6 +440,7 @@ int wma_peer_sta_kickout_event_handler(void *handle, u8 *event, u32 len)
 	cdf_mem_copy(del_sta_ctx->bssId, wma->interfaces[vdev_id].addr,
 		     IEEE80211_ADDR_LEN);
 	del_sta_ctx->reasonCode = HAL_DEL_STA_REASON_CODE_KEEP_ALIVE;
+	del_sta_ctx->rssi = kickout_event->rssi + WMA_TGT_NOISE_FLOOR_DBM;
 	wma_send_msg(wma, SIR_LIM_DELETE_STA_CONTEXT_IND, (void *)del_sta_ctx,
 		     0);