WS PAN config message handler update

Update synch info only for configured parent after configuration is learned.

Change-Id: I27adeca5103bd7fb80f558e49d50d7625d50f900

Author: Juha Heiskanen

source/6LoWPAN/ws/ws_bootstrap.c

@@ -468,7 +468,7 @@ static int8_t ws_fhss_enable(protocol_interface_info_entry_t *cur)
 /* Sets the parent and broadcast schedule we are following
  *
  */
-static void ws_bootstrap_primary_parent_set(struct protocol_interface_info_entry *cur, llc_neighbour_req_t *neighbor_info)
+static void ws_bootstrap_primary_parent_set(struct protocol_interface_info_entry *cur, llc_neighbour_req_t *neighbor_info, bool force_synch)
 {
 
     fhss_ws_configuration_t fhss_configuration;
@@ -498,7 +498,7 @@ static void ws_bootstrap_primary_parent_set(struct protocol_interface_info_entry
     ns_fhss_ws_configuration_set(cur->ws_info->fhss_api, &fhss_configuration);
 
     // We have broadcast schedule set up set the broadcast parent schedule
-    ns_fhss_ws_set_parent(cur->ws_info->fhss_api, neighbor_info->neighbor->mac64, &neighbor_info->ws_neighbor->fhss_data.bc_timing_info, true);
+    ns_fhss_ws_set_parent(cur->ws_info->fhss_api, neighbor_info->neighbor->mac64, &neighbor_info->ws_neighbor->fhss_data.bc_timing_info, force_synch);
 
     // Update LLC to follow updated fhss settings
     ws_bootstrap_llc_hopping_update(cur,&fhss_configuration);
@@ -930,16 +930,18 @@ static void ws_bootstrap_pan_config_analyse(struct protocol_interface_info_entry
         return;
     }
 
-    //Update synch to primary parent allways to update broadcast shedule and timing
-    if (neighbor_info.neighbor->link_role == PRIORITY_PARENT_NEIGHBOUR) {
-        // RPL priority parent configuration we must update FHSS data
-        ws_bootstrap_primary_parent_set(cur, &neighbor_info);
-    }
+    if (cur->ws_info->configuration_learned ) {
+        bool old_version = cur->ws_info->pan_information.pan_version == pan_version;
+        if (neighbor_info.neighbor->link_role == PRIORITY_PARENT_NEIGHBOUR) {
+            // RPL priority parent configuration we must update FHSS data
+            //Update synch to primary parent allways to update broadcast shedule and timing
+            ws_bootstrap_primary_parent_set(cur, &neighbor_info, !old_version);
+        }
 
-    if (cur->ws_info->configuration_learned &&
-        cur->ws_info->pan_information.pan_version == pan_version) {
-        // No new information
-        return;
+        if (old_version) {
+            // No new information
+            return;
+        }
     }
 
     /*
@@ -958,13 +960,10 @@ static void ws_bootstrap_pan_config_analyse(struct protocol_interface_info_entry
         // return to state machine after 1-2 s
         cur->bootsrap_state_machine_cnt = randLIB_get_random_in_range(10 ,20);
         // enable frequency hopping for unicast channel and start listening first neighbour
-        ws_bootstrap_primary_parent_set(cur, &neighbor_info);
+        ws_bootstrap_primary_parent_set(cur, &neighbor_info, true);
         // set neighbor as priority parent clear if there is others
         protocol_6lowpan_neighbor_priority_clear_all(cur->id, PRIORITY_1ST);
         neighbor_info.neighbor->link_role = PRIORITY_PARENT_NEIGHBOUR;
-    } else if (neighbor_info.neighbor->link_role != PRIORITY_PARENT_NEIGHBOUR) {
-        //This cuold affect serious problem if BC parameters are changed
-        ws_bootstrap_primary_parent_set(cur, &neighbor_info);
     }
 }
 
@@ -2138,7 +2137,7 @@ void ws_primary_parent_update(protocol_interface_info_entry_t *interface, mac_ne
         llc_neighbour_req_t neighbor_info;
         neighbor_info.neighbor = neighbor;
         neighbor_info.ws_neighbor = ws_neighbor_class_entry_get(&interface->ws_info->neighbor_storage, neighbor->index);
-        ws_bootstrap_primary_parent_set(interface, &neighbor_info);
+        ws_bootstrap_primary_parent_set(interface, &neighbor_info, true);
 
         ws_secondary_parent_update(interface);
     }