/* * Copyright (c) 2026, The OpenThread Authors. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include "platform/nexus_core.hpp" #include "platform/nexus_node.hpp" namespace ot { namespace Nexus { /** * Time to advance for a node to form a network and become leader. */ static constexpr uint32_t kFormNetworkTime = 13 * 1000; /** * Time to advance for a node to join as a child and upgrade to a router. */ static constexpr uint32_t kAttachToRouterTime = 200 * 1000; /** * Payload size for a standard ICMPv6 Echo Request. */ static constexpr uint16_t kEchoPayloadSize = 10; /** * Payload size for a fragmented ICMPv6 Echo Request. * A size of 200 bytes will result in multiple 802.15.4 fragments. */ static constexpr uint16_t kFragmentedEchoPayloadSize = 200; void Test5_3_1(void) { /** * 5.3.1 Link-Local Addressing * * 5.3.1.1 Topology * - Leader * - Router_1 (DUT) * * 5.3.1.2 Purpose & Description * The purpose of this test case is to validate the Link-Local addresses that the DUT auto-configures. * * Spec Reference | V1.1 Section | V1.3.0 Section * -----------------|--------------|--------------- * Link-Local Scope | 5.2.3.1 | 5.2.1.1 */ Core nexus; Node &leader = nexus.CreateNode(); Node &dut = nexus.CreateNode(); leader.SetName("LEADER"); dut.SetName("DUT"); nexus.AdvanceTime(0); SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNote)); Log("---------------------------------------------------------------------------------------"); Log("Step 1: Router_1 and Leader"); /** * Step 1: Router_1 and Leader * - Description: Build the topology as described and begin the wireless sniffer * - Pass Criteria: N/A */ leader.Form(); nexus.AdvanceTime(kFormNetworkTime); VerifyOrQuit(leader.Get().IsLeader()); dut.Join(leader); nexus.AdvanceTime(kAttachToRouterTime); VerifyOrQuit(dut.Get().IsRouter()); const Ip6::Address &dutAddr = dut.Get().GetLinkLocalAddress(); Log("---------------------------------------------------------------------------------------"); Log("Step 2: Leader sends Echo Request to DUT LL64 address"); /** * Step 2: Leader * - Description: Harness instructs the device to send an ICMPv6 Echo Request to the DUT’s MAC extended * address-based Link-Local address * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, dutAddr, kEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 3: Leader sends fragmented Echo Request to DUT LL64 address"); /** * Step 3: Leader * - Description: Harness instructs the device to send a fragmented ICMPv6 Echo Request to DUT’s MAC extended * address-based Link-Local address * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, dutAddr, kFragmentedEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 4: Leader sends Echo Request to All Nodes multicast address"); /** * Step 4: Leader * - Description: Harness instructs the device to send an ICMPv6 Echo Request to the Link-Local All Nodes * multicast address (FF02::1) * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, Ip6::Address::GetLinkLocalAllNodesMulticast(), kEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 5: Leader sends fragmented Echo Request to All Nodes multicast address"); /** * Step 5: Leader * - Description: Harness instructs the device to send a fragmented ICMPv6 Echo Request to the Link-Local All Nodes * multicast address (FF02::1) * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, Ip6::Address::GetLinkLocalAllNodesMulticast(), kFragmentedEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 6: Leader sends Echo Request to All Routers multicast address"); /** * Step 6: Leader * - Description: Harness instructs the device to send an ICMPv6 Echo Request to the Link-Local All-Routers * multicast address (FF02::2) * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, Ip6::Address::GetLinkLocalAllRoutersMulticast(), kEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 7: Leader sends fragmented Echo Request to All Routers multicast address"); /** * Step 7: Leader * - Description: Harness instructs the device to send a fragmented ICMPv6 Echo Request to the Link-Local * All-Routers multicast address (FF02::2) * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, Ip6::Address::GetLinkLocalAllRoutersMulticast(), kFragmentedEchoPayloadSize); Log("---------------------------------------------------------------------------------------"); Log("Step 8: Leader sends Echo Request to All Thread Nodes multicast address"); /** * Step 8: Leader * - Description: Harness instructs the device to send a ICMPv6 Echo Request to the Link-Local All Thread Nodes * multicast address * - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply */ nexus.SendAndVerifyEchoRequest(leader, dut.Get().GetLinkLocalAllThreadNodesAddress(), kEchoPayloadSize); nexus.SaveTestInfo("test_1_1_5_3_1.json"); } } // namespace Nexus } // namespace ot int main(void) { ot::Nexus::Test5_3_1(); printf("All tests passed\n"); return 0; }