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[nexus] add test 1.2.LP.5.3.1 for SSED attachment (#12594)
This commit adds a new Nexus test case 1.2.LP.5.3.1 which validates SSED attachment and CSL synchronization. Changes: - Added kAsSsed JoinMode to Nexus::Node platform to support joining as a Synchronized Sleepy End Device with default CSL parameters. - Implemented test_1_2_LP_5_3_1.cpp following the test specification for SSED attachment. - Implemented verify_1_2_LP_5_3_1.py to verify pcap output, ensuring correct use of 802.15.4-2015 frames and CSL synchronization. - Updated CMakeLists.txt and run_nexus_tests.sh to include the new test in the Nexus test suite.
This commit is contained in:
Jonathan Hui
@@ -118,7 +118,6 @@ endmacro()
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#----------------------------------------------------------------------------------------------------------------------
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# Cert tests
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ot_nexus_test(1_1_5_1_1 "cert;nexus")
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ot_nexus_test(1_1_5_1_2 "cert;nexus")
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@@ -216,6 +215,7 @@ ot_nexus_test(1_1_9_2_16 "cert;nexus")
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ot_nexus_test(1_1_9_2_17 "cert;nexus")
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ot_nexus_test(1_1_9_2_18 "cert;nexus")
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ot_nexus_test(1_1_9_2_19 "cert;nexus")
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ot_nexus_test(1_2_LP_5_3_1 "cert;nexus")
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# Misc tests
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ot_nexus_test(border_admitter "core;nexus")
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@@ -87,6 +87,15 @@ void Node::Join(Node &aNode, JoinMode aJoinMode)
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break;
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case kAsSed:
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break;
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case kAsSsed:
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{
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static constexpr uint32_t kDefaultCslPeriod = 100 * 1000 / OT_US_PER_TEN_SYMBOLS; // 100 ms
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static constexpr uint32_t kDefaultCslTimeout = 30; // 30 seconds
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Get<Mac::Mac>().SetCslPeriod(kDefaultCslPeriod);
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Get<Mle::Mle>().SetCslTimeout(kDefaultCslTimeout);
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break;
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}
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}
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SuccessOrQuit(Get<Mle::Mle>().SetDeviceMode(Mle::DeviceMode(mode)));
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@@ -79,6 +79,7 @@ public:
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kAsFed,
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kAsMed,
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kAsSed,
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kAsSsed,
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kAsSedWithFullNetData,
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};
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@@ -150,6 +150,7 @@ DEFAULT_TESTS=(
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"1_1_9_2_17"
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"1_1_9_2_18"
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"1_1_9_2_19"
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"1_2_LP_5_3_1"
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)
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# Use provided arguments or the default test list
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@@ -0,0 +1,167 @@
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/*
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* Copyright (c) 2026, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include "platform/nexus_core.hpp"
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#include "platform/nexus_node.hpp"
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namespace ot {
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namespace Nexus {
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/**
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* Time to advance for a node to form a network and become leader, in milliseconds.
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*/
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static constexpr uint32_t kFormNetworkTime = 13 * 1000;
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/**
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* Time to advance for a node to join as a child and upgrade to a router, in milliseconds.
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*/
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static constexpr uint32_t kAttachToRouterTime = 200 * 1000;
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/**
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* Time to advance for a node to join as a SSED.
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*/
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static constexpr uint32_t kAttachAsSsedTime = 20 * 1000;
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/**
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* Payload size for a standard ICMPv6 Echo Request.
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*/
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static constexpr uint16_t kEchoPayloadSize = 10;
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void Test1_2_LP_5_3_1(void)
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{
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/**
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* 5.3.1 SSED Attachment
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*
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* 5.3.1.1 Topology
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* - Leader (DUT)
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* - Router_1
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* - SSED_1
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*
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* 5.3.1.2 Purpose & Description
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* The purpose of this test is to validate that the DUT can successfully support a SSED that establishes CSL
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* Synchronization after attach using Child Update Request.
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*
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* Spec Reference | V1.2 Section
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* -----------------|--------------
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* SSED Attachment | 4.6.5.2
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*/
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Core nexus;
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Node &leader = nexus.CreateNode();
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Node &router1 = nexus.CreateNode();
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Node &ssed1 = nexus.CreateNode();
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leader.SetName("LEADER");
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router1.SetName("ROUTER_1");
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ssed1.SetName("SSED_1");
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nexus.AdvanceTime(0);
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Instance::SetLogLevel(kLogLevelNote);
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Log("---------------------------------------------------------------------------------------");
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Log("Step 1: All");
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/**
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* Step 1: All
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* - Description: Topology formation: DUT, Router_1, SSED_1.
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* - Pass Criteria: N/A.
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*/
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/** Use AllowList feature to restrict the topology. */
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leader.AllowList(router1);
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leader.AllowList(ssed1);
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router1.AllowList(leader);
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ssed1.AllowList(leader);
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leader.Form();
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nexus.AdvanceTime(kFormNetworkTime);
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VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
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router1.Join(leader);
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nexus.AdvanceTime(kAttachToRouterTime);
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VerifyOrQuit(router1.Get<Mle::Mle>().IsRouter());
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Log("---------------------------------------------------------------------------------------");
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Log("Step 2: SSED_1");
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/**
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* Step 2: SSED_1
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* - Description: Automatically attaches to the DUT. Automatically initiates a CSL connection via a MLE Child
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* Update Request that contains the CSL IEs and the CSL Synchronized Timeout TLV.
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* - Pass Criteria: N/A.
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*/
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ssed1.Join(leader, Node::kAsSsed);
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Log("---------------------------------------------------------------------------------------");
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Log("Step 3: Leader (DUT)");
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/**
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* Step 3: Leader (DUT)
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* - Description: Automatically completes the CSL connection with SSED_1 by unicasting MLE Child Update
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* Response.
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* - Pass Criteria: The DUT MUST unicast MLE Child Update Response to SSED_1.
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* - The Frame Version of the packet MUST be: IEEE Std 802.15.4-2015 (value = 0b10).
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*/
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nexus.AdvanceTime(kAttachAsSsedTime);
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VerifyOrQuit(ssed1.Get<Mle::Mle>().IsAttached());
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Log("---------------------------------------------------------------------------------------");
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Log("Step 4: Router_1");
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/**
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* Step 4: Router_1
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* - Description: Harness verifies connectivity by instructing the device to send an ICMPv6 Echo Request to the
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* SSED_1 mesh-local address (via the DUT).
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* - Pass Criteria:
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* - The DUT MUST forward the ICMPv6 Echo Request to SSED_1.
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* - The Frame Version of the packet MUST be: IEEE Std 802.15.4-2015 (value = 0b10).
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* - SSED_1 MUST NOT send a MAC Data Request prior to receiving the ICMPv6 Echo Request from the Leader.
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* - Router_1 MUST receive an ICMPv6 Echo Response from SSED_1.
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*/
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nexus.SendAndVerifyEchoRequest(router1, ssed1.Get<Mle::Mle>().GetMeshLocalEid(), kEchoPayloadSize);
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nexus.SaveTestInfo("test_1_2_LP_5_3_1.json");
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}
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} // namespace Nexus
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} // namespace ot
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int main(void)
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{
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ot::Nexus::Test1_2_LP_5_3_1();
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printf("All tests passed\n");
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return 0;
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}
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@@ -0,0 +1,130 @@
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#!/usr/bin/env python3
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#
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# Copyright (c) 2026, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import sys
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import os
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# Add the current directory to sys.path to find verify_utils
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CUR_DIR = os.path.dirname(os.path.abspath(__file__))
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sys.path.append(CUR_DIR)
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import verify_utils
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from pktverify import consts
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from pktverify.null_field import nullField
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def verify(pv):
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# 5.3.1 SSED Attachment
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#
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# 5.3.1.1 Topology
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# - Leader (DUT)
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# - Router_1
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# - SSED_1
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#
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# 5.3.1.2 Purpose & Description
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# The purpose of this test is to validate that the DUT can successfully support a SSED that establishes CSL
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# Synchronization after attach using Child Update Request.
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#
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# Spec Reference | V1.2 Section
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# -----------------|--------------
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# SSED Attachment | 4.6.5.2
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pkts = pv.pkts
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pv.summary.show()
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LEADER = pv.vars['LEADER']
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LEADER_RLOC16 = pv.vars['LEADER_RLOC16']
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ROUTER_1 = pv.vars['ROUTER_1']
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SSED_1 = pv.vars['SSED_1']
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SSED_1_RLOC16 = pv.vars['SSED_1_RLOC16']
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# Step 1: All
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# - Description: Topology formation: DUT, Router_1, SSED_1.
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# - Pass Criteria: N/A.
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print("Step 1: Topology formation")
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# Step 2: SSED_1
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# - Description: Automatically attaches to the DUT. Automatically initiates a CSL connection via a MLE Child Update
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# Request that contains the CSL IEs and the CSL Synchronized Timeout TLV.
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# - Pass Criteria: N/A.
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print("Step 2: SSED_1 attaches and initiates CSL connection")
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pkts.filter_wpan_src64(SSED_1).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(consts.MLE_CHILD_UPDATE_REQUEST).\
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filter(lambda p: {
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consts.CSL_SYNCHRONIZED_TIMEOUT
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} <= set(p.mle.tlv.type)).\
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must_next()
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# Step 3: Leader (DUT)
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# - Description: Automatically completes the CSL connection with SSED_1 by unicasting MLE Child Update Response.
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# - Pass Criteria: The DUT MUST unicast MLE Child Update Response to SSED_1.
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# - The Frame Version of the packet MUST be: IEEE Std 802.15.4-2015 (value = 0b10).
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print("Step 3: Leader completes CSL connection")
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SSED_1).\
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filter_mle_cmd(consts.MLE_CHILD_UPDATE_RESPONSE).\
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filter(lambda p: p.wpan.version == 2).\
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must_next()
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# Step 4: Router_1
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# - Description: Harness verifies connectivity by instructing the device to send an ICMPv6 Echo Request to the
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# SSED_1 mesh-local address (via the DUT).
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# - Pass Criteria:
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# - The DUT MUST forward the ICMPv6 Echo Request to SSED_1.
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# - The Frame Version of the packet MUST be: IEEE Std 802.15.4-2015 (value = 0b10).
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# - SSED_1 MUST NOT send a MAC Data Request prior to receiving the ICMPv6 Echo Request from the Leader.
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# - Router_1 MUST receive an ICMPv6 Echo Response from SSED_1.
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print("Step 4: Router_1 sends Echo Request to SSED_1")
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# Forwarded Echo Request from LEADER to SSED_1
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_pkt = pkts.filter_ping_request().\
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filter_wpan_src64(LEADER).\
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filter_wpan_dst16(SSED_1_RLOC16).\
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filter(lambda p: p.wpan.version == 2).\
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must_next()
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# SSED_1 MUST NOT send a MAC Data Request prior to receiving the ICMPv6 Echo Request from the Leader.
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pkts.range((0, 0), (_pkt.number, _pkt.number)).\
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filter_wpan_src64(SSED_1).\
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filter_wpan_dst16(LEADER_RLOC16).\
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filter_wpan_cmd(consts.WPAN_DATA_REQUEST).\
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must_not_next()
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# Echo Response from SSED_1 to ROUTER_1
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pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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filter_wpan_src64(SSED_1).\
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filter_wpan_dst16(LEADER_RLOC16).\
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must_next()
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if __name__ == '__main__':
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verify_utils.run_main(verify)
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