examples/gnrc_networking_rpl: add rpl test application

examples/gnrc_networking_rpl/Makefile

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+# name of your application
+APPLICATION = gnrc_networking
+
+# If no BOARD is found in the environment, use this default:
+BOARD ?= native
+
+# This has to be the absolute path to the RIOT base directory:
+RIOTBASE ?= $(CURDIR)/../..
+
+DEFAULT_CHANNEL = 11
+CFLAGS += -DCONFIG_GNRC_RPL_DEFAULT_NETIF=6
+CFLAGS += -DCONFIG_GNRC_RPL_DEFAULT_OCP=1
+CFLAGS += -DCONFIG_GNRC_IPV6_NIB_OFFL_NUMOF=50
+CFLAGS += -DCONFIG_GNRC_IPV6_NIB_NUMOF=50
+CFLAGS += -DNETSTATS_NB_SIZE=20
+
+# Include packages that pull up and auto-init the link layer.
+# NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
+USEMODULE += gnrc_netdev_default
+USEMODULE += auto_init_gnrc_netif
+# Activate ICMPv6 error messages
+USEMODULE += gnrc_icmpv6_error
+# Specify the mandatory networking modules for IPv6 and UDP
+USEMODULE += gnrc_ipv6_router_default
+USEMODULE += gnrc_udp
+# Add a routing protocol
+USEMODULE += gnrc_rpl
+USEMODULE += gnrc_rpl_mrhof
+# optional alternative metric, hardware must support it
+# USEMODULE += gnrc_rpl_mrhof_lqi
+USEMODULE += auto_init_gnrc_rpl
+# This application dumps received packets to STDIO using the pktdump module
+USEMODULE += gnrc_pktdump
+# Additional networking modules that can be dropped if not needed
+USEMODULE += gnrc_icmpv6_echo
+# Add also the shell, some shell commands
+USEMODULE += shell
+USEMODULE += shell_commands
+USEMODULE += ps
+USEMODULE += netstats_l2
+USEMODULE += netstats_ipv6
+USEMODULE += netstats_rpl
+
+USEMODULE += netstats_neighbor_etx
+USEMODULE += netstats_neighbor_count
+USEMODULE += netstats_neighbor_rssi
+USEMODULE += netstats_neighbor_lqi
+USEMODULE += netstats_neighbor_tx_time
+
+# Optionally include DNS support. This includes resolution of names at an
+# upstream DNS server and the handling of RDNSS options in Router Advertisements
+# to auto-configure that upstream DNS server.
+# USEMODULE += sock_dns              # include DNS client
+# USEMODULE += gnrc_ipv6_nib_dns     # include RDNSS option handling
+
+# Comment this out to disable code in RIOT that does safety checking
+# which is not needed in a production environment but helps in the
+# development process:
+DEVELHELP ?= 1
+
+# Instead of simulating an Ethernet connection, we can also simulate
+# an IEEE 802.15.4 radio using ZEP
+USE_ZEP ?= 0
+
+# set the ZEP port for native
+ZEP_PORT_BASE ?= 17754
+ifeq (1,$(USE_ZEP))
+  TERMFLAGS += -z [::1]:$(ZEP_PORT_BASE)
+  USEMODULE += socket_zep
+endif
+
+# Uncomment the following 2 lines to specify static link lokal IPv6 address
+# this might be useful for testing, in cases where you cannot or do not want to
+# run a shell with ifconfig to get the real link lokal address.
+#IPV6_STATIC_LLADDR ?= '"fe80::cafe:cafe:cafe:1"'
+#CFLAGS += -DGNRC_IPV6_STATIC_LLADDR=$(IPV6_STATIC_LLADDR)
+
+# Uncomment this to join RPL DODAGs even if DIOs do not contain
+# DODAG Configuration Options (see the doc for more info)
+# CFLAGS += -DCONFIG_GNRC_RPL_DODAG_CONF_OPTIONAL_ON_JOIN
+
+# Change this to 0 show compiler invocation lines by default:
+QUIET ?= 1
+
+include $(RIOTBASE)/Makefile.include
+
+# Set a custom channel if needed
+include $(RIOTMAKE)/default-radio-settings.inc.mk

examples/gnrc_networking_rpl/Makefile.ci

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+BOARD_INSUFFICIENT_MEMORY := \
+    arduino-duemilanove \
+    arduino-leonardo \
+    arduino-mega2560 \
+    arduino-nano \
+    arduino-uno \
+    atmega1284p \
+    atmega328p \
+    blackpill \
+    bluepill \
+    calliope-mini \
+    derfmega128 \
+    hifive1 \
+    hifive1b \
+    i-nucleo-lrwan1 \
+    im880b \
+    mega-xplained \
+    microbit \
+    microduino-corerf \
+    msb-430 \
+    msb-430h \
+    nucleo-f030r8 \
+    nucleo-f031k6 \
+    nucleo-f042k6 \
+    nucleo-f070rb \
+    nucleo-f072rb \
+    nucleo-f103rb \
+    nucleo-f302r8 \
+    nucleo-f303k8 \
+    nucleo-f334r8 \
+    nucleo-l031k6 \
+    nucleo-l053r8 \
+    saml10-xpro \
+    saml11-xpro \
+    spark-core \
+    stm32f030f4-demo \
+    stm32f0discovery \
+    stm32l0538-disco \
+    telosb \
+    waspmote-pro \
+    z1 \
+    #

examples/gnrc_networking_rpl/main.c

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+/*
+ * Copyright (C) 2020 Beuth Hochschule für Technik Berlin
+ *
+ * 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     examples
+ * @{
+ *
+ * @file
+ * @brief       Example application for demonstrating RPL with link metrics
+ *
+ * @author      Benjamin Valentin <benpicco@beuth-hochschule.de>
+ *
+ * @}
+ */
+
+#include <stdio.h>
+
+#include "shell.h"
+#include "msg.h"
+
+#define MAIN_QUEUE_SIZE     (8)
+static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
+
+extern int udp_cmd(int argc, char **argv);
+extern int stats_cmd(int argc, char **argv);
+
+extern void start_sender(void);
+
+static const shell_command_t shell_commands[] = {
+    { "udp", "send data over UDP and listen on UDP ports", udp_cmd },
+    { "test", "RPL experiment stats", stats_cmd },
+    { NULL, NULL, NULL }
+};
+
+int main(void)
+{
+    /* we need a message queue for the thread running the shell in order to
+     * receive potentially fast incoming networking packets */
+    msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE);
+    puts("RIOT network stack example application");
+
+    start_sender();
+
+    /* start shell */
+    puts("All up, running the shell now");
+    char line_buf[SHELL_DEFAULT_BUFSIZE];
+    shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
+
+    /* should be never reached */
+    return 0;
+}