wi-sun ETX update:

Fixed missing ETX LQI / DBM init etx calculation.

ETX cached enabled feature calc also first real one now.

Change-Id: I6aa38c8004b990cde6a72ea2ffb9dc06e320c91f

Author: Juha Heiskanen

source/6LoWPAN/ws/ws_llc_data_service.c

@@ -569,12 +569,14 @@ static void ws_llc_mac_indication_cb(const mac_api_t *api, const mcps_data_ind_t
             }
         }
 
-        //Refresh Neighbor ETX if unicast
-        if (ws_utt.message_type == WS_FT_DATA && data->DstAddrMode == ADDR_802_15_4_LONG) {
-            neighbor_info.ws_neighbor->unicast_data_rx = true;
-            etx_lqi_dbm_update(interface->id, data->mpduLinkQuality, data->signal_dbm, neighbor_info.neighbor->index);
-        }
         if (ws_utt.message_type == WS_FT_DATA) {
+
+            if (data->DstAddrMode == ADDR_802_15_4_LONG) {
+                neighbor_info.ws_neighbor->unicast_data_rx = true;
+            }
+
+            //Refresh ETX dbm
+            etx_lqi_dbm_update(interface->id, data->mpduLinkQuality, data->signal_dbm, neighbor_info.neighbor->index);
             // Calculate RSL for all UDATA packages heard
             ws_neighbor_class_rsl_in_calculate(neighbor_info.ws_neighbor, data->signal_dbm);
 

source/Service_Libs/etx/etx.c

@@ -201,11 +201,12 @@ void etx_transm_attempts_update(int8_t interface_id, uint8_t attempts, bool succ
         entry->etx_samples++;
     }
 
-    if (etx_info.cache_sample_requested && !entry->tmp_etx) {
+    if (etx_info.cache_sample_requested) {
 
         etx_sample_storage_t *storage = etx_cache_sample_update(attribute_index, attempts, success);
         entry->accumulated_failures = 0;
-        if (!etx_update_possible(storage, entry, 0)) {
+
+        if (!entry->etx || (entry->etx_samples > 1 &&  !etx_update_possible(storage, entry, 0))) {
             return;
         }