qcacld-3.0: During con mode change stop netif queues

If user triggers con_mode change, while data transmissions are
happening, there is possibility of device crash, as data queues
are not stopped during con_mode change.

In con_mode handler, stop data queues before stopping modules.

Change-Id: I348d0da707ea4b706edfcd396adee32502180e3e
CRs-Fixed: 1070008

core/hdd/inc/wlan_hdd_main.h

@@ -1553,6 +1553,7 @@ QDF_STATUS hdd_close_adapter(hdd_context_t *pHddCtx, hdd_adapter_t *pAdapter,
 			     bool rtnl_held);
 QDF_STATUS hdd_close_all_adapters(hdd_context_t *pHddCtx, bool rtnl_held);
 QDF_STATUS hdd_stop_all_adapters(hdd_context_t *pHddCtx);
+void hdd_deinit_all_adapters(hdd_context_t *hdd_ctx, bool rtnl_held);
 QDF_STATUS hdd_reset_all_adapters(hdd_context_t *pHddCtx);
 QDF_STATUS hdd_start_all_adapters(hdd_context_t *pHddCtx);
 hdd_adapter_t *hdd_get_adapter_by_vdev(hdd_context_t *pHddCtx,

core/hdd/src/wlan_hdd_main.c

@@ -1827,6 +1827,10 @@ int hdd_wlan_start_modules(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter,
 			hdd_alert("adapter is Null");
 			goto close;
 		}
+		if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
+			hdd_err("in ftm mode, no need to configure cds modules");
+			break;
+		}
 		if (hdd_configure_cds(hdd_ctx, adapter)) {
 			hdd_err("Failed to Enable cds modules");
 			goto close;
@@ -3615,6 +3619,32 @@ QDF_STATUS hdd_stop_adapter(hdd_context_t *hdd_ctx, hdd_adapter_t *adapter,
 	return QDF_STATUS_SUCCESS;
 }
 
+/**
+ * hdd_deinit_all_adapters - deinit all adapters
+ * @hdd_ctx:   HDD context
+ * @rtnl_held: True if RTNL lock held
+ *
+ */
+void  hdd_deinit_all_adapters(hdd_context_t *hdd_ctx, bool rtnl_held)
+{
+	hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL;
+	QDF_STATUS status;
+	hdd_adapter_t *adapter;
+
+	ENTER();
+
+	status = hdd_get_front_adapter(hdd_ctx, &adapter_node);
+
+	while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) {
+		adapter = adapter_node->pAdapter;
+		hdd_deinit_adapter(hdd_ctx, adapter, rtnl_held);
+		status = hdd_get_next_adapter(hdd_ctx, adapter_node, &next);
+		adapter_node = next;
+	}
+
+	EXIT();
+}
+
 QDF_STATUS hdd_stop_all_adapters(hdd_context_t *hdd_ctx)
 {
 	hdd_adapter_list_node_t *adapterNode = NULL, *pNext = NULL;
@@ -9057,7 +9087,7 @@ static enum tQDF_ADAPTER_MODE hdd_get_adpter_mode(
 	case QDF_GLOBAL_MONITOR_MODE:
 		return QDF_MONITOR_MODE;
 	case QDF_GLOBAL_FTM_MODE:
-		return QDF_MONITOR_MODE;
+		return QDF_FTM_MODE;
 	case QDF_GLOBAL_EPPING_MODE:
 		return QDF_EPPING_MODE;
 	case QDF_GLOBAL_QVIT_MODE:
@@ -9118,6 +9148,9 @@ static int con_mode_handler(const char *kmessage, struct kernel_param *kp)
 		return -EINVAL;
 	}
 
+	hdd_stop_all_adapters(hdd_ctx);
+	hdd_deinit_all_adapters(hdd_ctx, false);
+
 	ret = hdd_wlan_stop_modules(hdd_ctx, false);
 	if (ret) {
 		hdd_err("Stop wlan modules failed");