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[nexus] add test case 5.5.2 Leader Reboot > timeout (#12432)

Browse Source 
This commit implements Nexus test case 5.5.2 which verifies the
behavior of a Thread network when the Leader reboots and remains
offline longer than the leader timeout.

Test details:
- Topology: Leader, Router_1, and MED (attached to Router_1).
- Description: When the Leader is restarted and stays rebooted
  longer than the leader timeout, Router_1 becomes the new Leader.
  When the original Leader returns, it reattaches to the network as
  a Router.

Implementation:
- Added tests/nexus/test_5_5_2.cpp for C++ test logic.
- Added tests/nexus/verify_5_5_2.py for pcap-based verification.
- Updated CMakeLists.txt and run_nexus_tests.sh to include the test.
This commit is contained in:
Jonathan Hui
2026-02-13 12:00:40 -06:00
committed by GitHub
parent 2d13e58787
commit 86efe4927a
4 changed files with 830 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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@@ -149,6 +149,7 @@ ot_nexus_test(5_3_9 "cert;nexus")
ot_nexus_test(5_3_10 "cert;nexus")
ot_nexus_test(5_3_11 "cert;nexus")
ot_nexus_test(5_5_1 "cert;nexus")
ot_nexus_test(5_5_2 "cert;nexus")
# Misc tests
ot_nexus_test(border_admitter "core;nexus")
tests/nexus/run_nexus_tests.sh
+1
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@@ -79,6 +79,7 @@ DEFAULT_TESTS=(
"5_3_10"
"5_3_11"
"5_5_1"
"5_5_2"
)
# Use provided arguments or the default test list
tests/nexus/test_5_5_2.cpp
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@@ -0,0 +1,397 @@
/*
* 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 a node to join as a child, in milliseconds.
*/
static constexpr uint32_t kAttachAsChildTime = 10 * 1000;
/**
* Time to advance for the network to stabilize, in milliseconds.
*/
static constexpr uint32_t kStabilizationTime = 10 * 1000;
/**
* Leader reboot time in milliseconds (must be greater than Leader Timeout [default 120s]).
*/
static constexpr uint32_t kLeaderRebootTime = 150 * 1000;
/**
* Parent selection time in milliseconds.
*/
static constexpr uint32_t kParentSelectionTime = 10 * 1000;
/**
* Child ID exchange time in milliseconds.
*/
static constexpr uint32_t kChildIdExchangeTime = 5 * 1000;
/**
* Address solicitation time in milliseconds.
*/
static constexpr uint32_t kAddressSolicitationTime = 200 * 1000;
void Test5_5_2(void)
{
/**
* 5.5.2 Leader Reboot > timeout (3 nodes)
*
* 5.5.2.1 Topology
* - Leader
* - Router_1
* - MED (attached to Router_1)
*
* 5.5.2.2 Purpose & Description
* The purpose of this test case is to show that the Router will become the leader of a new partition when the
* Leader is restarted, and remains rebooted longer than the leader timeout, and when the Leader is brought back
* it reattaches to the Router.
*
* Spec Reference | V1.1 Section | V1.3.0 Section
* -----------------|--------------|---------------
* Losing | 5.16.1 | 5.16.1
* Connectivity | |
*/
Core nexus;
Node &leader = nexus.CreateNode();
Node &router1 = nexus.CreateNode();
Node &med1 = nexus.CreateNode();
leader.SetName("LEADER");
router1.SetName("ROUTER_1");
med1.SetName("MED_1");
Instance::SetLogLevel(kLogLevelNote);
/**
* Step 1: All
* - Description: Ensure topology is formed correctly.
* - Pass Criteria: N/A
*/
Log("Step 1: All");
leader.AllowList(router1);
router1.AllowList(leader);
router1.AllowList(med1);
med1.AllowList(router1);
leader.Form();
nexus.AdvanceTime(kFormNetworkTime);
VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
router1.Join(leader);
nexus.AdvanceTime(kAttachToRouterTime);
VerifyOrQuit(router1.Get<Mle::Mle>().IsRouter());
med1.Join(leader, Node::kAsMed);
nexus.AdvanceTime(kAttachAsChildTime);
VerifyOrQuit(med1.Get<Mle::Mle>().IsChild());
VerifyOrQuit(med1.Get<Mle::Mle>().GetParent().GetExtAddress() == router1.Get<Mac::Mac>().GetExtAddress());
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 2: Leader, Router_1
* - Description: Automatically transmit MLE advertisements.
* - Pass Criteria:
* - The DUT MUST send properly formatted MLE Advertisements.
* - MLE Advertisements MUST be sent with an IP Hop Limit of 255 to the Link-Local All Nodes multicast address
* (FF02::1).
* - The following TLVs MUST be present in the Advertisements:
* - Leader Data TLV
* - Route64 TLV
* - Source Address TLV
*/
Log("Step 2: Leader, Router_1");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 3: Leader
* - Description: Restart Leader.
* - If DUT=Leader and testing is manual, this is a UI pop-up box interaction.
* - Allowed Leader reboot time is 125 seconds (must be greater than Leader Timeout value [default 120
* seconds]).
* - Pass Criteria:
* - For DUT = Leader: The DUT MUST stop sending MLE advertisements.
*/
Log("Step 3: Leader");
leader.Reset();
/**
* Step 4: Router_1
* - Description: Automatically attempts to reattach to partition.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST attempt to reattach to its original partition by sending MLE Parent Requests
* to the Link-Local All-Routers multicast address (FF02::2) with an IP Hop Limit of 255.
* - The following TLVs MUST be present in the MLE Parent Request:
* - Challenge TLV
* - Mode TLV
* - Scan Mask TLV (The E and R flags MUST be set)
* - Version TLV
* - The DUT MUST make two separate attempts to reconnect to its current Partition in this manner.
*
* Step 5: Leader
* - Description: Does not respond to MLE Parent Requests.
* - Pass Criteria:
* - For DUT = Leader: The DUT MUST NOT respond to the MLE Parent Requests.
*
* Step 6: Router_1
* - Description: Automatically attempts to attach to any other Partition.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST attempt to attach to any other Partition within range by sending a MLE Parent
* Request.
* - The MLE Parent Request MUST be sent to the All-Routers multicast address (FF02::2) with an IP Hop Limit of
* 255.
* - The following TLVs MUST be present and valid in the MLE Parent Request:
* - Challenge TLV
* - Mode TLV
* - Scan Mask TLV
* - Version TLV
*
* Step 7: Router_1
* - Description: Automatically takes over Leader role of a new Partition and begins transmitting MLE
* Advertisements.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST send MLE Advertisements.
* - MLE Advertisements MUST be sent with an IP Hop Limit of 255.
* - MLE Advertisements MUST be sent to a Link-Local unicast address OR to the Link-Local All Nodes multicast
* address (FF02::1).
* - The following TLVs MUST be present in the MLE Advertisement:
* - Leader Data TLV: The DUT MUST choose a new and random initial Partition ID, VN_Version, and
* VN_Stable_version.
* - Route64 TLV: The DUT MUST choose a new and random initial ID sequence number and delete all previous
* information from its routing table.
* - Source Address TLV
*/
Log("Step 4: Router_1");
Log("Step 5: Leader");
Log("Step 6: Router_1");
Log("Step 7: Router_1");
nexus.AdvanceTime(kLeaderRebootTime);
VerifyOrQuit(router1.Get<Mle::Mle>().IsLeader());
/**
* Step 8: Router_1
* - Description: The MED automatically sends MLE Child Update to Router_1. Router_1 automatically responds with
* MLE Child Update Response.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST respond with an MLE Child Update Response, with the updated TLVs of the new
* partition.
* - The following TLVs MUST be present in the MLE Child Update Response:
* - Leader Data TLV
* - Mode TLV
* - Source Address TLV
* - Address Registration TLV (optional)
*/
Log("Step 8: Router_1");
nexus.AdvanceTime(kStabilizationTime);
VerifyOrQuit(med1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(med1.Get<Mle::Mle>().GetParent().GetExtAddress() == router1.Get<Mac::Mac>().GetExtAddress());
/**
* Step 9: Leader
* - Description: Automatically reattaches to network.
* - Pass Criteria:
* - For DUT = Leader: The DUT MUST send properly formatted MLE Parent Requests to the All-Routers multicast
* address (FF02:2) with an IP Hop Limit of 255.
* - The following TLVs MUST be present and valid in the Parent Request:
* - Challenge TLV
* - Mode TLV
* - Scan Mask TLV (If the DUT sends multiple Parent Requests, the first one MUST be sent ONLY to All
* Routers; subsequent Parent Requests MAY be sent to All Routers and REEDS)
* - Version TLV
* - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
* to ‘0x02’.
*/
Log("Step 9: Leader");
leader.Join(router1);
/**
* Step 10: Router_1
* - Description: Automatically sends MLE Parent Response.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST send an MLE Parent Response.
* - The following TLVs MUST be present in the MLE Parent Response:
* - Connectivity TLV
* - Challenge TLV
* - Leader Data TLV
* - Link-layer Frame Counter TLV
* - Link Margin TLV
* - Response TLV
* - Source Address TLV
* - Version TLV
* - MLE Frame Counter TLV (optional; MAY be omitted if the sender uses the same internal counter for both
* link-layer and MLE security)
* - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
* to ‘0x02’.
*/
Log("Step 10: Router_1");
nexus.AdvanceTime(kParentSelectionTime);
/**
* Step 11: Leader
* - Description: Automatically sends MLE Child ID Request.
* - Pass Criteria:
* - For DUT = Leader: The following TLVs MUST be present in the MLE Child ID Request:
* - Link-layer Frame Counter TLV
* - Mode TLV
* - Response TLV
* - Timeout TLV
* - TLV Request TLV: Address16 TLV, Network Data, and/or Route64 TLV (optional)
* - Version TLV
* - MLE Frame Counter TLV (optional; MAY be omitted if the sender uses the same internal counter for both
* link-layer and MLE security)
* - A REED MAY request a Route64 TLV as an aid in determining whether or not it should become an active
* Router.
* - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
* to ‘0x02’.
*
* Step 12: Router_1
* - Description: Automatically sends MLE Child ID Response.
* - Pass Criteria:
* - For DUT = Router: The following TLVs MUST be present in the MLE Child ID Response:
* - Address16 TLV
* - Leader Data TLV
* - Source Address TLV
* - Network Data TLV (provided if requested in MLE Child ID Request)
* - Route64 TLV (provided if requested in MLE Child ID Request)
*/
Log("Step 11: Leader");
Log("Step 12: Router_1");
nexus.AdvanceTime(kChildIdExchangeTime);
/**
* Step 13: Leader
* - Description: Automatically sends Address Solicit Request.
* - Pass Criteria:
* - For DUT = Leader: The Address Solicit Request message MUST be properly formatted:
* - CoAP Request URI: coap://[<leader address>]:MM/a/as
* - CoAP Payload:
* - MAC Extended Address TLV
* - RLOC16 TLV (optional)
* - Status TLV
*
* Step 14: Router_1
* - Description: Automatically sends Address Solicit Response.
* - Pass Criteria:
* - For DUT = Router: The Address Solicit Response message MUST be properly formatted:
* - CoAP Response Code: 2.04 Changed
* - CoAP Payload:
* - Status TLV (value = Success)
* - RLOC16 TLV
* - Router Mask TLV
*/
Log("Step 13: Leader");
Log("Step 14: Router_1");
nexus.AdvanceTime(kAddressSolicitationTime);
VerifyOrQuit(leader.Get<Mle::Mle>().IsRouter());
/**
* Step 15: Leader
* - Description: Optionally sends a multicast Link Request.
* - Pass Criteria:
* - For DUT = Leader: The DUT MAY send a multicast Link Request message.
* - If sent, the following TLVs MUST be present in the Link Request Message:
* - Challenge TLV
* - Leader Data TLV
* - Request TLV: RSSI
* - Source Address TLV
* - Version TLV
*
* Step 16: Router_1
* - Description: Conditionally (automatically) sends a unicast Link Accept.
* - Pass Criteria:
* - For DUT = Router: If the Leader in the prior step sent a multicast Link Request, the DUT MUST send a unicast
* Link Accept Message to the Leader.
* - If sent, the following TLVs MUST be present in the Link Accept message:
* - Leader Data TLV
* - Link-layer Frame Counter TLV
* - Link Margin TLV
* - Response TLV
* - Source Address TLV
* - Version TLV
* - Challenge TLV (optional)
* - MLE Frame Counter TLV (optional)
*/
Log("Step 15: Leader");
Log("Step 16: Router_1");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 17: All
* - Description: Verify connectivity by sending an ICMPv6 Echo Request to the Router_1 link local address.
* - Pass Criteria:
* - For DUT = Router: The DUT MUST respond with an ICMPv6 Echo Reply.
*/
Log("Step 17: All");
med1.SendEchoRequest(router1.Get<Mle::Mle>().GetLinkLocalAddress(), 0);
leader.SendEchoRequest(med1.Get<Mle::Mle>().GetLinkLocalAddress(), 0);
nexus.AdvanceTime(kStabilizationTime);
nexus.SaveTestInfo("test_5_5_2.json");
}
} // namespace Nexus
} // namespace ot
int main(void)
{
ot::Nexus::Test5_5_2();
printf("All tests passed\n");
return 0;
}
tests/nexus/verify_5_5_2.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
def verify(pv):
# 5.5.2 Leader Reboot > timeout (3 nodes)
#
# 5.5.2.1 Topology
# - Leader
# - Router_1
# - MED (attached to Router_1)
#
# 5.5.2.2 Purpose & Description
# The purpose of this test case is to show that the Router will become the leader of a new partition when the
# Leader is restarted, and remains rebooted longer than the leader timeout, and when the Leader is brought back
# it reattaches to the Router.
#
# Spec Reference | V1.1 Section | V1.3.0 Section
# -----------------|--------------|---------------
# Losing | 5.16.1 | 5.16.1
# Connectivity | |
pkts = pv.pkts
pv.summary.show()
LEADER = pv.vars['LEADER']
ROUTER_1 = pv.vars['ROUTER_1']
MED_1 = pv.vars['MED_1']
# Step 1: All
# - Description: Ensure topology is formed correctly.
# - Pass Criteria: N/A
print("Step 1: All")
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(LEADER).\
must_next()
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(ROUTER_1).\
must_next()
pkts.copy().\
filter_mle_cmd(consts.MLE_CHILD_ID_RESPONSE).\
filter_wpan_src64(ROUTER_1).\
filter_wpan_dst64(MED_1).\
must_next()
# Step 2: Leader, Router_1
# - Description: Automatically transmit MLE advertisements.
# - Pass Criteria:
# - The DUT MUST send properly formatted MLE Advertisements.
# - MLE Advertisements MUST be sent with an IP Hop Limit of 255 to the Link-Local All Nodes multicast address
# (FF02::1).
# - The following TLVs MUST be present in the Advertisements:
# - Leader Data TLV
# - Route64 TLV
# - Source Address TLV
print("Step 2: Leader, Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(LEADER).\
filter_LLANMA().\
filter(lambda p: {
consts.LEADER_DATA_TLV,
consts.ROUTE64_TLV,
consts.SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type) and\
p.ipv6.hlim == 255).\
must_next()
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(ROUTER_1).\
filter_LLANMA().\
filter(lambda p: {
consts.LEADER_DATA_TLV,
consts.ROUTE64_TLV,
consts.SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type) and\
p.ipv6.hlim == 255).\
must_next()
# Step 3: Leader
# - Description: Restart Leader.
# - If DUT=Leader and testing is manual, this is a UI pop-up box interaction.
# - Allowed Leader reboot time is 125 seconds (must be greater than Leader Timeout value [default 120
# seconds]).
# - Pass Criteria:
# - For DUT = Leader: The DUT MUST stop sending MLE advertisements.
print("Step 3: Leader")
# Step 4: Router_1
# - Description: Automatically attempts to reattach to partition.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST attempt to reattach to its original partition by sending MLE Parent Requests
# to the Link-Local All-Routers multicast address (FF02::2) with an IP Hop Limit of 255.
# - The following TLVs MUST be present in the MLE Parent Request:
# - Challenge TLV
# - Mode TLV
# - Scan Mask TLV (The E and R flags MUST be set)
# - Version TLV
# - The DUT MUST make two separate attempts to reconnect to its current Partition in this manner.
print("Step 4: Router_1")
parent_req_filter = pkts.copy().\
filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_wpan_src64(ROUTER_1).\
filter_LLARMA().\
filter(lambda p: {
consts.CHALLENGE_TLV,
consts.MODE_TLV,
consts.SCAN_MASK_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and\
p.ipv6.hlim == 255 and\
p.mle.tlv.scan_mask.r == 1 and\
p.mle.tlv.scan_mask.e == 1)
parent_req_filter.copy().must_next()
parent_req_filter.copy().must_next()
# Step 5: Leader
# - Description: Does not respond to MLE Parent Requests.
# - Pass Criteria:
# - For DUT = Leader: The DUT MUST NOT respond to the MLE Parent Requests.
print("Step 5: Leader")
# Step 6: Router_1
# - Description: Automatically attempts to attach to any other Partition.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST attempt to attach to any other Partition within range by sending a MLE Parent
# Request.
# - The MLE Parent Request MUST be sent to the All-Routers multicast address (FF02::2) with an IP Hop Limit of
# 255.
# - The following TLVs MUST be present and valid in the MLE Parent Request:
# - Challenge TLV
# - Mode TLV
# - Scan Mask TLV
# - Version TLV
print("Step 6: Router_1")
# Step 7: Router_1
# - Description: Automatically takes over Leader role of a new Partition and begins transmitting MLE
# Advertisements.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST send MLE Advertisements.
# - MLE Advertisements MUST be sent with an IP Hop Limit of 255.
# - MLE Advertisements MUST be sent to a Link-Local unicast address OR to the Link-Local All Nodes multicast
# address (FF02::1).
# - The following TLVs MUST be present in the MLE Advertisement:
# - Leader Data TLV: The DUT MUST choose a new and random initial Partition ID, VN_Version, and
# VN_Stable_version.
# - Route64 TLV: The DUT MUST choose a new and random initial ID sequence number and delete all previous
# information from its routing table.
# - Source Address TLV
print("Step 7: Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(ROUTER_1).\
filter(lambda p: {
consts.LEADER_DATA_TLV,
consts.ROUTE64_TLV,
consts.SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type) and\
p.ipv6.hlim == 255).\
must_next()
# Step 8: Router_1
# - Description: The MED automatically sends MLE Child Update to Router_1. Router_1 automatically responds with
# MLE Child Update Response.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST respond with an MLE Child Update Response, with the updated TLVs of the new
# partition.
# - The following TLVs MUST be present in the MLE Child Update Response:
# - Leader Data TLV
# - Mode TLV
# - Source Address TLV
# - Address Registration TLV (optional)
print("Step 8: Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_REQUEST).\
filter_wpan_src64(MED_1).\
filter_wpan_dst64(ROUTER_1).\
must_next()
pkts.copy().\
filter_mle_cmd(consts.MLE_CHILD_UPDATE_RESPONSE).\
filter_wpan_src64(ROUTER_1).\
filter_wpan_dst64(MED_1).\
filter(lambda p: {
consts.LEADER_DATA_TLV,
consts.MODE_TLV,
consts.SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type)).\
must_next()
# Step 9: Leader
# - Description: Automatically reattaches to network.
# - Pass Criteria:
# - For DUT = Leader: The DUT MUST send properly formatted MLE Parent Requests to the All-Routers multicast
# address (FF02:2) with an IP Hop Limit of 255.
# - The following TLVs MUST be present and valid in the Parent Request:
# - Challenge TLV
# - Mode TLV
# - Scan Mask TLV (If the DUT sends multiple Parent Requests, the first one MUST be sent ONLY to All
# Routers; subsequent Parent Requests MAY be sent to All Routers and REEDS)
# - Version TLV
# - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
# to ‘0x02’.
print("Step 9: Leader")
pkts.copy().\
filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_wpan_src64(LEADER).\
filter_LLARMA().\
filter(lambda p: {
consts.CHALLENGE_TLV,
consts.MODE_TLV,
consts.SCAN_MASK_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and\
p.ipv6.hlim == 255 and\
p.wpan.aux_sec.key_id_mode == 0x02).\
must_next()
# Step 10: Router_1
# - Description: Automatically sends MLE Parent Response.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST send an MLE Parent Response.
# - The following TLVs MUST be present in the MLE Parent Response:
# - Connectivity TLV
# - Challenge TLV
# - Leader Data TLV
# - Link-layer Frame Counter TLV
# - Link Margin TLV
# - Response TLV
# - Source Address TLV
# - Version TLV
# - MLE Frame Counter TLV (optional; MAY be omitted if the sender uses the same internal counter for both
# link-layer and MLE security)
# - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
# to ‘0x02’.
print("Step 10: Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_PARENT_RESPONSE).\
filter_wpan_src64(ROUTER_1).\
filter_wpan_dst64(LEADER).\
filter(lambda p: {
consts.CONNECTIVITY_TLV,
consts.CHALLENGE_TLV,
consts.LEADER_DATA_TLV,
consts.LINK_LAYER_FRAME_COUNTER_TLV,
consts.LINK_MARGIN_TLV,
consts.RESPONSE_TLV,
consts.SOURCE_ADDRESS_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and\
p.wpan.aux_sec.key_id_mode == 0x02).\
must_next()
# Step 11: Leader
# - Description: Automatically sends MLE Child ID Request.
# - Pass Criteria:
# - For DUT = Leader: The following TLVs MUST be present in the MLE Child ID Request:
# - Link-layer Frame Counter TLV
# - Mode TLV
# - Response TLV
# - Timeout TLV
# - TLV Request TLV: Address16 TLV, Network Data, and/or Route64 TLV (optional)
# - Version TLV
# - MLE Frame Counter TLV (optional; MAY be omitted if the sender uses the same internal counter for both
# link-layer and MLE security)
# - A REED MAY request a Route64 TLV as an aid in determining whether or not it should become an active
# Router.
# - The Key Identifier Mode of the Security Control field of the MAC frame Auxiliary Security Header MUST be set
# to ‘0x02’.
print("Step 11: Leader")
pkts.copy().\
filter_mle_cmd(consts.MLE_CHILD_ID_REQUEST).\
filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER_1).\
filter(lambda p: {
consts.LINK_LAYER_FRAME_COUNTER_TLV,
consts.MODE_TLV,
consts.RESPONSE_TLV,
consts.TIMEOUT_TLV,
consts.TLV_REQUEST_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and\
p.wpan.aux_sec.key_id_mode == 0x02).\
must_next()
# Step 12: Router_1
# - Description: Automatically sends MLE Child ID Response.
# - Pass Criteria:
# - For DUT = Router: The following TLVs MUST be present in the MLE Child ID Response:
# - Address16 TLV
# - Leader Data TLV
# - Source Address TLV
# - Network Data TLV (provided if requested in MLE Child ID Request)
# - Route64 TLV (provided if requested in MLE Child ID Request)
print("Step 12: Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_CHILD_ID_RESPONSE).\
filter_wpan_src64(ROUTER_1).\
filter_wpan_dst64(LEADER).\
filter(lambda p: {
consts.ADDRESS16_TLV,
consts.LEADER_DATA_TLV,
consts.SOURCE_ADDRESS_TLV
} <= set(p.mle.tlv.type)).\
must_next()
# Step 13: Leader
# - Description: Automatically sends Address Solicit Request.
# - Pass Criteria:
# - For DUT = Leader: The Address Solicit Request message MUST be properly formatted:
# - CoAP Request URI: coap://[<leader address>]:MM/a/as
# - CoAP Payload:
# - MAC Extended Address TLV
# - RLOC16 TLV (optional)
# - Status TLV
print("Step 13: Leader")
pkts.copy().\
filter_wpan_src64(LEADER).\
filter_coap_request(consts.ADDR_SOL_URI).\
filter(lambda p: {
consts.NL_MAC_EXTENDED_ADDRESS_TLV,
consts.NL_STATUS_TLV
} <= set(p.coap.tlv.type)).\
must_next()
# Step 14: Router_1
# - Description: Automatically sends Address Solicit Response.
# - Pass Criteria:
# - For DUT = Router: The Address Solicit Response message MUST be properly formatted:
# - CoAP Response Code: 2.04 Changed
# - CoAP Payload:
# - Status TLV (value = Success)
# - RLOC16 TLV
# - Router Mask TLV
print("Step 14: Router_1")
pkts.copy().\
filter_wpan_src64(ROUTER_1).\
filter_coap_ack(consts.ADDR_SOL_URI).\
filter(lambda p: {
consts.NL_STATUS_TLV,
consts.NL_RLOC16_TLV,
consts.NL_ROUTER_MASK_TLV
} <= set(p.coap.tlv.type)).\
must_next()
# Step 15: Leader
# - Description: Optionally sends a multicast Link Request.
# - Pass Criteria:
# - For DUT = Leader: The DUT MAY send a multicast Link Request message.
# - If sent, the following TLVs MUST be present in the Link Request Message:
# - Challenge TLV
# - Leader Data TLV
# - Request TLV: RSSI
# - Source Address TLV
# - Version TLV
print("Step 15: Leader")
# Step 16: Router_1
# - Description: Conditionally (automatically) sends a unicast Link Accept.
# - Pass Criteria:
# - For DUT = Router: If the Leader in the prior step sent a multicast Link Request, the DUT MUST send a unicast
# Link Accept Message to the Leader.
# - If sent, the following TLVs MUST be present in the Link Accept message:
# - Leader Data TLV
# - Link-layer Frame Counter TLV
# - Link Margin TLV
# - Response TLV
# - Source Address TLV
# - Version TLV
# - Challenge TLV (optional)
# - MLE Frame Counter TLV (optional)
print("Step 16: Router_1")
# Step 17: All
# - Description: Verify connectivity by sending ICMPv6 Echo Request to the Router_1 link local address.
# - Pass Criteria:
# - For DUT = Router: The DUT MUST respond with an ICMPv6 Echo Reply.
print("Step 17: All")
pkts.copy().\
filter_ipv6_dst(pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(ROUTER_1).\
must_next().ipv6.src).\
filter(lambda p: p.icmpv6.type == consts.ICMPV6_TYPE_ECHO_REQUEST).\
must_next()
pkts.copy().\
filter_wpan_src64(ROUTER_1).\
filter(lambda p: p.icmpv6.type == consts.ICMPV6_TYPE_ECHO_REPLY).\
must_next()
if __name__ == '__main__':
verify_utils.run_main(verify)