RPL version num update

Small network will have 1 hour
Medium 2 Hour
Large 4 Hour
Extra Large 8 hour

Author: Juha Heiskanen

source/6LoWPAN/ws/ws_bbr_api.c

@@ -94,7 +94,14 @@ static void ws_bbr_rpl_version_timer_start(protocol_interface_info_entry_t *cur,
         //stable version for RPL so slow timer update is ok
         cur->ws_info->rpl_version_timer = RPL_VERSION_LIFETIME;
     } else {
-        cur->ws_info->rpl_version_timer = RPL_VERSION_LIFETIME_RESTART;
+        if (cur->ws_info->cfg->gen.network_size <= NETWORK_SIZE_SMALL) {
+            // handles also NETWORK_SIZE_CERTIFICATE
+            cur->ws_info->rpl_version_timer = RPL_VERSION_LIFETIME_RESTART_SMALL;
+        } else if (cur->ws_info->cfg->gen.network_size <= NETWORK_SIZE_MEDIUM) {
+            cur->ws_info->rpl_version_timer = RPL_VERSION_LIFETIME_RESTART_MEDIUM;
+        } else  {
+            cur->ws_info->rpl_version_timer = RPL_VERSION_LIFETIME_RESTART_LARGE;
+        }
     }
 }
 

source/6LoWPAN/ws/ws_config.h

@@ -68,7 +68,10 @@
 // RPL version number update intervall
 // after restart version numbers are increased faster and then slowed down when network is stable
 #define RPL_VERSION_LIFETIME 12*3600
-#define RPL_VERSION_LIFETIME_RESTART 3600
+#define RPL_VERSION_LIFETIME_RESTART_SMALL 3600
+#define RPL_VERSION_LIFETIME_RESTART_MEDIUM 2*3600
+#define RPL_VERSION_LIFETIME_RESTART_LARGE 4*3600
+#define RPL_VERSION_LIFETIME_RESTART_EXTRA_LARGE 8*3600
 
 /* Border router connection lost timeout
  *