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[nexus] add test 7.1.3 Network data propagation - Border Router as Leader (#12507)

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This commit adds a new Nexus test case 7.1.3 which verifies that global
prefix information can be set on the DUT (Leader) and that the DUT
correctly sets and propagates the Network Data (stable/non-stable) to
neighbors and children in an already formed network.

The test setup uses a Leader (DUT) configured as a Border Router with
both stable (2001::/64) and non-stable (2002::/64) prefixes. It
verifies that neighbors and MED_1 (requesting complete data) receive
both prefixes via MLE Data Response, while SED_1 (requesting only
stable data) receives only the stable prefix via MLE Child Update
Request.

Summary of changes:
- Created tests/nexus/test_7_1_3.cpp:
    - Implements test logic using direct core method calls.
    - Sets log level to note.
    - Configures AllowList for Leader-Router1, Leader-MED1, and
      Leader-SED1 links.
    - Includes 1-line log outputs for each test step.
    - Adheres to requested block comment formatting.
- Created tests/nexus/verify_7_1_3.py:
    - Implements pcap-based verification of PASS criteria.
    - Validates selective prefix propagation based on child mode.
    - Verifies MLE Child ID and Child Update exchanges.
    - Follows requested Python filter formatting style.
- Updated tests/nexus/CMakeLists.txt to build the new test.
- Updated tests/nexus/run_nexus_tests.sh to add 7_1_3 to the
  default test list.
This commit is contained in:
Jonathan Hui
2026-02-20 01:30:28 -06:00
committed by GitHub
parent d4e2c6441a
commit 964c1ebe4f
4 changed files with 440 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/nexus/CMakeLists.txt
+1
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@@ -183,6 +183,7 @@ ot_nexus_test(6_6_1 "cert;nexus")
ot_nexus_test(6_6_2 "cert;nexus")
ot_nexus_test(7_1_1 "cert;nexus")
ot_nexus_test(7_1_2 "cert;nexus")
ot_nexus_test(7_1_3 "cert;nexus")
# Misc tests
ot_nexus_test(border_admitter "core;nexus")
tests/nexus/run_nexus_tests.sh
+1
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@@ -119,6 +119,7 @@ DEFAULT_TESTS=(
"6_6_2"
"7_1_1"
"7_1_2"
"7_1_3"
)
# Use provided arguments or the default test list
tests/nexus/test_7_1_3.cpp
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@@ -0,0 +1,243 @@
/*
* 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 <stdio.h>
#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, in milliseconds.
*/
static constexpr uint32_t kFormNetworkTime = 13 * 1000;
/**
* Time to advance for a node to join as a child and upgrade to a router, in milliseconds.
*/
static constexpr uint32_t kAttachToRouterTime = 200 * 1000;
/**
* Time to advance for the network to stabilize after routers have attached.
*/
static constexpr uint32_t kStabilizationTime = 10 * 1000;
/**
* Time to advance for a child to register its address.
*/
static constexpr uint32_t kChildUpdateWaitTime = 10 * 1000;
void Test7_1_3(const char *aJsonFile)
{
/**
* 7.1.3 Network data propagation - Border Router as Leader of Thread network; advertises new network data
* information after network is formed
*
* 7.1.3.1 Topology
* - MED_1 is configured to require complete network data. (Mode TLV)
* - SED_1 is configured to request only stable network data. (Mode TLV)
*
* 7.1.3.2 Purpose & Description
* The purpose of this test case is to verify that global prefix information can be set on the DUT, which is acting
* as a Leader in the Thread network. The DUT must also demonstrate that it correctly sets the Network Data
* (stable/non-stable) and propagates it properly in an already formed network.
*
* Spec Reference | V1.1 Section | V1.3.0 Section
* ---------------------------------------------------|--------------------|--------------------
* Thread Network Data / Stable Thread Network Data / | 5.13 / 5.14 / 5.15 | 5.13 / 5.14 / 5.15
* Network Data and Propagation | |
*/
Core nexus;
Node &leader = nexus.CreateNode();
Node &router1 = nexus.CreateNode();
Node &med1 = nexus.CreateNode();
Node &sed1 = nexus.CreateNode();
leader.SetName("LEADER");
router1.SetName("ROUTER_1");
med1.SetName("MED_1");
sed1.SetName("SED_1");
/** Use AllowList to specify links between nodes. */
leader.AllowList(router1);
router1.AllowList(leader);
leader.AllowList(med1);
med1.AllowList(leader);
leader.AllowList(sed1);
sed1.AllowList(leader);
nexus.AdvanceTime(0);
Instance::SetLogLevel(kLogLevelNote);
/**
* Step 1: All
* - Description: Ensure topology is formed correctly.
* - Pass Criteria: N/A
*/
Log("Step 1: Ensure topology is formed correctly.");
leader.Form();
nexus.AdvanceTime(kFormNetworkTime);
VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
router1.Join(leader, Node::kAsFtd);
med1.Join(leader, Node::kAsMed);
sed1.Join(leader, Node::kAsSed);
nexus.AdvanceTime(kAttachToRouterTime);
VerifyOrQuit(router1.Get<Mle::Mle>().IsFullThreadDevice());
VerifyOrQuit(med1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(sed1.Get<Mle::Mle>().IsAttached());
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 2: Leader (DUT)
* - Description: User configures the DUT with the following On-Mesh Prefix Set:
* - Prefix 1: P_prefix=2001::/64 P_stable=1 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
* - Prefix 2: P_prefix=2002::/64 P_stable=0 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
* - Pass Criteria: N/A
*/
Log("Step 2: Leader (DUT) configures On-Mesh Prefixes.");
{
NetworkData::OnMeshPrefixConfig config;
config.Clear();
SuccessOrQuit(config.GetPrefix().FromString("2001::/64"));
config.mStable = true;
config.mOnMesh = true;
config.mPreferred = true;
config.mSlaac = true;
config.mDefaultRoute = true;
SuccessOrQuit(leader.Get<NetworkData::Local>().AddOnMeshPrefix(config));
config.Clear();
SuccessOrQuit(config.GetPrefix().FromString("2002::/64"));
config.mStable = false;
config.mOnMesh = true;
config.mPreferred = true;
config.mSlaac = true;
config.mDefaultRoute = true;
SuccessOrQuit(leader.Get<NetworkData::Local>().AddOnMeshPrefix(config));
leader.Get<NetworkData::Notifier>().HandleServerDataUpdated();
}
/**
* Step 3: Leader (DUT)
* - Description: Automatically sends the new network data to neighbors and rx-on-while-idle Children (MED_1).
* - Pass Criteria: The DUT MUST send a multicast MLE Data Response with the new network information, which includes
* the following TLVs:
* - Network Data TLV
* - At least two Prefix TLVs (Prefix 1 and Prefix 2):
* - 6LoWPAN ID sub-TLV
* - Border Router sub-TLV
*/
Log("Step 3: Leader (DUT) automatically sends the new network data to neighbors and rx-on-while-idle Children.");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 4: MED_1
* - Description: Automatically sends the global address configured to its parent (the DUT), via the Address
* Registration TLV included in its Child Update Request keep-alive message.
* - Pass Criteria: N/A
*/
Log("Step 4: MED_1 automatically sends the global address configured to its parent.");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 5: Leader (DUT)
* - Description: Automatically sends MLE Child Update Response to MED_1.
* - Pass Criteria: The DUT MUST unicast MLE Child Update Response to MED_1, containing the following TLVs:
* - Source Address TLV
* - Address Registration TLV (Echoes back the addresses MED_1 has configured)
* - Mode TLV
*/
Log("Step 5: Leader (DUT) automatically sends MLE Child Update Response to MED_1.");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 6: Leader (DUT)
* - Description: Automatically sends notification of new network data to SED_1. Depending upon the DUT's device
* implementation, two different behavior paths (A,B) are allowable.
* - Pass Criteria:
* - Path A: The DUT MUST unicast MLE Child Update Request to SED_1, including the following TLVs:
* - Source Address TLV
* - Leader Data TLV
* - Network Data TLV
* - Active Timestamp TLV
* - Goto step 7
* - Path B: The DUT MUST unicast MLE Data Response to SED_1, including the following TLVs:
* - Source Address TLV
* - Leader Data TLV
* - Network Data TLV
* - Active Timestamp TLV
* - Goto step 7
*/
Log("Step 6: Leader (DUT) automatically sends notification of new network data to SED_1.");
nexus.AdvanceTime(kAttachToRouterTime);
/**
* Step 7: SED_1
* - Description: After receiving the MLE Data Response or MLE Child Update Request, automatically sends the global
* address configured to its parent (DUT), via the Address Registration TLV as part of the Child Update Request
* command.
* - Pass Criteria: N/A
*/
Log("Step 7: SED_1 automatically sends the global address configured to its parent.");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 8: Leader (DUT)
* - Description: Automatically sends MLE Child Update Response to SED_1.
* - Pass Criteria: The DUT MUST unicast MLE Child Update Response to SED_1, including the following TLVs:
* - Source Address TLV
* - Address Registration TLV (Echoes back the addresses SED_1 has configured)
* - Mode TLV
*/
Log("Step 8: Leader (DUT) automatically sends MLE Child Update Response to SED_1.");
nexus.AdvanceTime(kChildUpdateWaitTime);
nexus.SaveTestInfo(aJsonFile);
}
} /* namespace Nexus */
} /* namespace ot */
int main(int argc, char *argv[])
{
ot::Nexus::Test7_1_3((argc > 2) ? argv[2] : "test_7_1_3.json");
printf("All tests passed\n");
return 0;
}
tests/nexus/verify_7_1_3.py
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#!/usr/bin/env python3
#
# 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.
#
import sys
import os
# Add the current directory to sys.path to find verify_utils
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
sys.path.append(CUR_DIR)
import verify_utils
from pktverify import consts
from pktverify.addrs import Ipv6Addr
from pktverify.null_field import nullField
def verify(pv):
# 7.1.3 Network data propagation - Border Router as Leader of Thread network; advertises new network data
# information after network is formed
#
# 7.1.3.1 Topology
# - MED_1 is configured to require complete network data. (Mode TLV)
# - SED_1 is configured to request only stable network data. (Mode TLV)
#
# 7.1.3.2 Purpose & Description
# The purpose of this test case is to verify that global prefix information can be set on the DUT, which is acting
# as a Leader in the Thread network. The DUT must also demonstrate that it correctly sets the Network Data
# (stable/non-stable) and propagates it properly in an already formed network.
#
# Spec Reference | V1.1 Section | V1.3.0 Section
# ---------------------------------------------------|--------------------|--------------------
# Thread Network Data / Stable Thread Network Data / | 5.13 / 5.14 / 5.15 | 5.13 / 5.14 / 5.15
# Network Data and Propagation | |
pkts = pv.pkts
pv.summary.show()
LEADER = pv.vars['LEADER']
MED_1 = pv.vars['MED_1']
SED_1 = pv.vars['SED_1']
PREFIX_1 = Ipv6Addr("2001::")
PREFIX_2 = Ipv6Addr("2002::")
# Step 1: All
# - Description: Ensure topology is formed correctly.
# - Pass Criteria: N/A
print("Step 1: Ensure topology is formed correctly.")
# Step 2: Leader (DUT)
# - Description: User configures the DUT with the following On-Mesh Prefix Set:
# - Prefix 1: P_prefix=2001::/64 P_stable=1 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
# - Prefix 2: P_prefix=2002::/64 P_stable=0 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
# - Pass Criteria: N/A
print("Step 2: Leader (DUT) configures On-Mesh Prefixes.")
# Step 3: Leader (DUT)
# - Description: Automatically sends the new network data to neighbors and rx-on-while-idle Children (MED_1).
# - Pass Criteria: The DUT MUST send a multicast MLE Data Response with the new network information, which includes
# the following TLVs:
# - Network Data TLV
# - At least two Prefix TLVs (Prefix 1 and Prefix 2):
# - 6LoWPAN ID sub-TLV
# - Border Router sub-TLV
print("Step 3: Leader (DUT) automatically sends the new network data to neighbors and rx-on-while-idle Children.")
pkts.filter_wpan_src64(LEADER).\
filter_LLANMA().\
filter_mle_cmd(consts.MLE_DATA_RESPONSE).\
filter(lambda p: p.thread_nwd.tlv.prefix is not nullField and {
PREFIX_1,
PREFIX_2
} <= set(p.thread_nwd.tlv.prefix)).\
must_next()
# Step 4: MED_1
# - Description: Automatically sends the global address configured to its parent (the DUT), via the Address
# Registration TLV included in its Child Update Request keep-alive message.
# - Pass Criteria: N/A
print("Step 4: MED_1 automatically sends the global address configured to its parent.")
pkts.filter_wpan_src64(MED_1).\
filter_wpan_dst64(LEADER).\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_REQUEST).\
filter(lambda p: {
consts.ADDRESS_REGISTRATION_TLV
} <= set(p.mle.tlv.type)).\
must_next()
# Step 5: Leader (DUT)
# - Description: Automatically sends MLE Child Update Response to MED_1.
# - Pass Criteria: The DUT MUST unicast MLE Child Update Response to MED_1, containing the following TLVs:
# - Source Address TLV
# - Address Registration TLV (Echoes back the addresses MED_1 has configured)
# - Mode TLV
print("Step 5: Leader (DUT) automatically sends MLE Child Update Response to MED_1.")
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(MED_1).\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_RESPONSE).\
filter(lambda p: {
consts.SOURCE_ADDRESS_TLV,
consts.ADDRESS_REGISTRATION_TLV,
consts.MODE_TLV
} <= set(p.mle.tlv.type)).\
must_next()
# Step 6: Leader (DUT)
# - Description: Automatically sends notification of new network data to SED_1. Depending upon the DUT's device
# implementation, two different behavior paths (A,B) are allowable.
# - Pass Criteria:
# - Path A: The DUT MUST unicast MLE Child Update Request to SED_1, including the following TLVs:
# - Source Address TLV
# - Leader Data TLV
# - Network Data TLV
# - Active Timestamp TLV
# - Goto step 7
# - Path B: The DUT MUST unicast MLE Data Response to SED_1, including the following TLVs:
# - Source Address TLV
# - Leader Data TLV
# - Network Data TLV
# - Active Timestamp TLV
# - Goto step 7
print("Step 6: Leader (DUT) automatically sends notification of new network data to SED_1.")
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(SED_1).\
filter_mle_cmd2(consts.MLE_CHILD_UPDATE_REQUEST, consts.MLE_DATA_RESPONSE).\
filter(lambda p: {
consts.SOURCE_ADDRESS_TLV,
consts.LEADER_DATA_TLV,
consts.NETWORK_DATA_TLV,
consts.ACTIVE_TIMESTAMP_TLV
} <= set(p.mle.tlv.type)).\
filter(lambda p: p.thread_nwd.tlv.prefix is not nullField and
PREFIX_1 in p.thread_nwd.tlv.prefix and
PREFIX_2 not in p.thread_nwd.tlv.prefix).\
must_next()
# Step 7: SED_1
# - Description: After receiving the MLE Data Response or MLE Child Update Request, automatically sends the global
# address configured to its parent (DUT), via the Address Registration TLV as part of the Child Update Request
# command.
# - Pass Criteria: N/A
print("Step 7: SED_1 automatically sends the global address configured to its parent.")
pkts.filter_wpan_src64(SED_1).\
filter_wpan_dst64(LEADER).\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_REQUEST).\
filter(lambda p: {
consts.ADDRESS_REGISTRATION_TLV
} <= set(p.mle.tlv.type)).\
must_next()
# Step 8: Leader (DUT)
# - Description: Automatically sends MLE Child Update Response to SED_1.
# - Pass Criteria: The DUT MUST unicast MLE Child Update Response to SED_1, including the following TLVs:
# - Source Address TLV
# - Address Registration TLV (Echoes back the addresses SED_1 has configured)
# - Mode TLV
print("Step 8: Leader (DUT) automatically sends MLE Child Update Response to SED_1.")
pkts.filter_wpan_src64(LEADER).\
filter_wpan_dst64(SED_1).\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_RESPONSE).\
filter(lambda p: {
consts.SOURCE_ADDRESS_TLV,
consts.ADDRESS_REGISTRATION_TLV,
consts.MODE_TLV
} <= set(p.mle.tlv.type)).\
must_next()
if __name__ == '__main__':
verify_utils.run_main(verify)