auto_init: initialize gnrc_rpl

Makefile.pseudomodules

+PSEUDOMODULES += auto_init_gnrc_rpl
 PSEUDOMODULES += conn
 PSEUDOMODULES += conn_ip
 PSEUDOMODULES += conn_tcp

sys/auto_init/auto_init.c

@@ -256,4 +256,13 @@ void auto_init(void)
 #endif
 
 #endif /* MODULE_AUTO_INIT_SAUL */
+
+#ifdef MODULE_AUTO_INIT_GNRC_RPL
+
+#ifdef MODULE_GNRC_RPL
+    extern void auto_init_gnrc_rpl(void);
+    auto_init_gnrc_rpl();
+#endif
+
+#endif /* MODULE_AUTO_INIT_GNRC_RPL */
 }

sys/net/gnrc/routing/rpl/gnrc_rpl_auto_init.c

+/*
+ * Copyright (C) 2016 Cenk Gündoğan <mail@cgundogan.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ *
+ */
+
+/*
+ * @ingroup gnrc_rpl
+ * @{
+ *
+ * @file
+ * @brief   Auto initialization for gnrc_rpl
+ *
+ * @author  Cenk Gündoğan <mail@cgundogan.de>
+ */
+
+#ifdef MODULE_AUTO_INIT_GNRC_RPL
+
+#include "net/gnrc.h"
+#include "net/gnrc/rpl.h"
+
+#define ENABLE_DEBUG (0)
+#include "debug.h"
+
+void auto_init_gnrc_rpl(void)
+{
+#if (GNRC_NETIF_NUMOF == 1)
+    kernel_pid_t ifs[GNRC_NETIF_NUMOF];
+    gnrc_netif_get(ifs);
+    DEBUG("auto_init_gnrc_rpl: initializing RPL on interface %" PRIkernel_pid "\n", ifs[0]);
+    gnrc_rpl_init(ifs[0]);
+    return;
+#elif defined(GNRC_RPL_DEFAULT_NETIF)
+    if (gnrc_netif_exist(GNRC_RPL_DEFAULT_NETIF)) {
+        DEBUG("auto_init_gnrc_rpl: initializing RPL on interface %" PRIkernel_pid "\n",
+              GNRC_RPL_DEFAULT_NETIF);
+        gnrc_rpl_init(GNRC_RPL_DEFAULT_NETIF);
+        return;
+    }
+    DEBUG("auto_init_gnrc_rpl: could not initialize RPL on interface %" PRIkernel_pid" - "
+          "interface does not exist\n", GNRC_RPL_DEFAULT_NETIF);
+    return;
+#else
+    DEBUG("auto_init_gnrc_rpl: please specify an interface by setting GNRC_RPL_DEFAULT_NETIF\n");
+#endif
+}
+#else
+typedef int dont_be_pedantic;
+#endif /* MODULE_AUTO_INIT_GNRC_RPL */
+
+/** @} */