Copy ingress rate limiting API to ns_conf

Copy ns_sw_mac_packet_ingress_rate_limit_by_mem function to ns_conf.h
as it logically belongs to configuration.

Author: Arto Kinnunen

nanostack/ns_conf.h

@@ -46,6 +46,14 @@ extern "C" {
  */
 int ns_conf_gc_threshold_set(uint8_t percentage_high, uint8_t percentage_critical);
 
+/**
+ * \brief Limit amount of incoming packets if system does not have enough free memory.
+ * Memory statistics must been initialized in nsdynmemLIB to get this feature working.
+ *
+ * \param free_heap_percentage Percentage of free heap that must be available when packet arrives to MAC layer.
+ * \return 0 in case of success, <0 otherwise.
+ */
+int ns_conf_packet_ingress_rate_limit_by_mem(uint8_t free_heap_percentage);
 
 #ifdef __cplusplus
 }

source/Service_Libs/utils/ns_conf.c

@@ -15,11 +15,19 @@
  * limitations under the License.
  */
 
+#include "nsconfig.h"
 #include "ns_types.h"
 
 #include "Core/include/ns_monitor.h"
+#include "mac_api.h"    // for mcps_packet_ingress_rate_limit_by_memory
+#include "MAC/IEEE802_15_4/mac_mcps_sap.h" // for mcps_packet_ingress_rate_limit_by_memory
 
 int ns_conf_gc_threshold_set(uint8_t percentage_high, uint8_t percentage_critical)
 {
     return ns_monitor_heap_gc_threshold_set(percentage_high, percentage_critical);
 }
+
+int ns_conf_packet_ingress_rate_limit_by_mem(uint8_t free_heap_percentage)
+{
+    return mcps_packet_ingress_rate_limit_by_memory(free_heap_percentage);
+}