Adjust tracing (ARMmbed#2138)

-Change trace level in few traces
-Use proper data type when saving rate limit

Author: Arto Kinnunen

source/6LoWPAN/Thread/thread_nd.c

@@ -149,7 +149,7 @@ static void thread_nd_coap_notification_callback(int8_t interface_id, const uint
         if (old_entry_rloc != loc_addr) {
             uint8_t old_entry_ip[16];
             thread_addr_write_mesh_local_16(old_entry_ip, common_read_16_bit(entry->ll_address + 2), cur->thread_info);
-            tr_warn("Proactive address change %s %04x->%04x", trace_ipv6(ip_addr), old_entry_rloc, loc_addr);
+            tr_info("Proactive address change %s %04x->%04x", trace_ipv6(ip_addr), old_entry_rloc, loc_addr);
             thread_resolution_client_address_error(interface_id, old_entry_ip, ip_addr, ml_eid);
         }
     }

source/6LoWPAN/ws/ws_bootstrap.c

@@ -962,7 +962,7 @@ static void ws_bootstrap_pan_advertisement_analyse(struct protocol_interface_inf
             // If pan cost is the same then we select the one we hear highest
             if (current_pan_cost == pan_cost &&
                     cur->ws_info->parent_info.signal_dbm > data->signal_dbm) {
-                tr_info("EAPOL target dropped Lower link quality %u < %u current", data->signal_dbm, cur->ws_info->parent_info.signal_dbm);
+                tr_info("EAPOL target dropped Lower link quality %d < %d current", data->signal_dbm, cur->ws_info->parent_info.signal_dbm);
                 return;
             }
         }

source/DHCPv6_client/dhcpv6_client_service.c

@@ -451,7 +451,7 @@ void dhcpv6_renew(protocol_interface_info_entry_t *interface, if_address_entry_t
         // Default retry values are modified from specification update to message
         dhcp_service_set_retry_timers(srv_data_ptr->transActionId, dhcp_client.sol_timeout, dhcp_client.sol_max_rt, dhcp_client.sol_max_rc);
     }
-    tr_error("DHCP renew send OK");
+    tr_info("DHCP renew send OK");
 }
 
 static bool dhcpv6_client_set_address(int8_t interface_id, dhcpv6_client_server_data_t *srv_data_ptr)

source/MAC/IEEE802_15_4/mac_mcps_sap.c

@@ -74,7 +74,7 @@ static void mac_pd_data_confirm_failure_handle(protocol_interface_rf_mac_setup_s
 
 static int8_t mac_tasklet_event_handler = -1;
 
-static uint32_t ns_dyn_mem_rate_limiting_threshold = 0xFFFFFFFF;
+static ns_mem_heap_size_t ns_dyn_mem_rate_limiting_threshold = 0xFFFFFFFF;
 
 /**
  * Get PHY time stamp.

source/libDHCPv6/dhcp_service_api.c

@@ -829,7 +829,7 @@ void dhcp_service_send_message(msg_tr_t *msg_tr_ptr)
     if (retval != 0) {
         tr_warn("dhcp service socket_sendto fails: %i", retval);
     } else {
-        tr_warn("dhcp service socket_sendto %s", trace_ipv6(msg_tr_ptr->addr.address));
+        tr_debug("dhcp service socket_sendto %s", trace_ipv6(msg_tr_ptr->addr.address));
     }
 }
 bool dhcp_service_timer_tick(uint16_t ticks)