diff --git a/tests/nexus/CMakeLists.txt b/tests/nexus/CMakeLists.txt index 439795417..7f917fbeb 100644 --- a/tests/nexus/CMakeLists.txt +++ b/tests/nexus/CMakeLists.txt @@ -150,6 +150,7 @@ 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") +ot_nexus_test(5_5_3 "cert;nexus") # Misc tests ot_nexus_test(border_admitter "core;nexus") diff --git a/tests/nexus/run_nexus_tests.sh b/tests/nexus/run_nexus_tests.sh index 30b2e067d..9f125f39e 100755 --- a/tests/nexus/run_nexus_tests.sh +++ b/tests/nexus/run_nexus_tests.sh @@ -80,6 +80,7 @@ DEFAULT_TESTS=( "5_3_11" "5_5_1" "5_5_2" + "5_5_3" ) # Use provided arguments or the default test list diff --git a/tests/nexus/test_5_5_3.cpp b/tests/nexus/test_5_5_3.cpp new file mode 100644 index 000000000..cfc5738ac --- /dev/null +++ b/tests/nexus/test_5_5_3.cpp @@ -0,0 +1,391 @@ +/* + * 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 "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 and upgrade to a router, in milliseconds. + */ +static constexpr uint32_t kAttachToRouterTime = 200 * 1000; + +/** + * Time to advance for the network to stabilize. + */ +static constexpr uint32_t kStabilizationTime = 10 * 1000; + +/** + * Wait period after leader reboot. + */ +static constexpr uint32_t kWaitPeriod = 250 * 1000; + +/** + * High partition weight. + */ +static constexpr uint8_t kHighWeight = 72; + +/** + * The identifier used for Echo Request. + */ +static constexpr uint16_t kEchoIdentifier = 0x1234; + +void Test5_5_3(void) +{ + /** + * 5.5.3 Split and Merge: Branch with Child + * + * 5.5.3.1 Topology + * - Topology A: DUT, Router_1, MED_2, Router_2, MED_3 + * - Topology B: Leader, Router_2, DUT, MED_2, MED_3 + * + * 5.5.3.2 Purpose & Description + * The purpose of this test case is to show that the Router_1 will create a new partition once the Leader is + * removed from the network for a time period longer than the Leader timeout (120 seconds), and the network + * will merge back together once the Leader device is reintroduced to the network. + * + * Spec Reference | V1.1 Section | V1.3.0 Section + * --------------------------|--------------|--------------- + * Thread Network Partitions | 5.16 | 5.16 + */ + + Core nexus; + + Node &leader = nexus.CreateNode(); + Node &router1 = nexus.CreateNode(); + Node &router2 = nexus.CreateNode(); + Node &med2 = nexus.CreateNode(); + Node &med3 = nexus.CreateNode(); + + leader.SetName("LEADER"); + router1.SetName("ROUTER_1"); + router2.SetName("ROUTER_2"); + med2.SetName("MED_2"); + med3.SetName("MED_3"); + + nexus.AdvanceTime(0); + + Instance::SetLogLevel(kLogLevelNote); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 0: All"); + + /** + * Step 0: All + * - Description: Topology formation. + * - Pass Criteria: N/A + */ + + leader.AllowList(router1); + leader.AllowList(router2); + + router1.AllowList(leader); + router1.AllowList(med2); + + router2.AllowList(leader); + router2.AllowList(med3); + + med2.AllowList(router1); + med3.AllowList(router2); + + leader.Form(); + nexus.AdvanceTime(kFormNetworkTime); + VerifyOrQuit(leader.Get().IsLeader()); + + router1.Join(leader); + router2.Join(leader); + nexus.AdvanceTime(kAttachToRouterTime); + VerifyOrQuit(router1.Get().IsRouter()); + VerifyOrQuit(router2.Get().IsRouter()); + + med2.Join(router1, Node::kAsMed); + med3.Join(router2, Node::kAsMed); + nexus.AdvanceTime(kStabilizationTime); + VerifyOrQuit(med2.Get().IsAttached()); + VerifyOrQuit(med3.Get().IsAttached()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 1: Router_2"); + + /** + * Step 1: Router_2 + * - Description: Harness configures the device to form new partitions with the high partition weight (72). + * - Pass Criteria: N/A + */ + + router2.Get().SetLeaderWeight(kHighWeight); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 2: Leader, Router_1 (DUT)"); + + /** + * Step 2: Leader, Router_1 (DUT) + * - Description: Automatically transmit MLE advertisements. + * - Pass Criteria: + * - The DUT MUST send MLE Advertisements 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 MLE Advertisement: + * - Leader Data TLV + * - Route64 TLV + * - Source Address TLV + */ + + nexus.AdvanceTime(kStabilizationTime); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 3: Leader"); + + /** + * Step 3: Leader + * - Description: Leader device is restarted. + * - 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]). + * - Harness begins a 250 second wait period during which steps 4-13 are expected to happen automatically. + * - Pass Criteria: + * - For DUT = Leader: The DUT MUST stop sending MLE advertisements. + */ + + leader.Get().Stop(); + nexus.AdvanceTime(kWaitPeriod); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 4: Router_1"); + + /** + * Step 4: Router_1 + * - Description: Automatically attempts to reattach to previous 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 (value = 0xc0) + * - Version TLV + * - The DUT MUST make two separate attempts to reconnect to its current partition in this manner. + */ + + Log("---------------------------------------------------------------------------------------"); + Log("Step 5: Leader"); + + /** + * 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. + */ + + Log("---------------------------------------------------------------------------------------"); + Log("Step 6: Router_1"); + + /** + * 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 to + * the Link-Local 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 (value = 0x80) + * - Version TLV + */ + + Log("---------------------------------------------------------------------------------------"); + Log("Step 7: Router_1"); + + /** + * Step 7: Router_1 + * - Description: Automatically starts a new partition as Leader and begins transmitting MLE Advertisements. + * - Pass Criteria: + * - For DUT = Router: + * - The DUT MUST send MLE Advertisements 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 MLE Advertisements: + * - Source Address TLV + * - Leader Data TLV (Router_1 MUST choose a new and random initial Partition ID, VN_Version, and + * VN_Stable_version.) + * - Route64 TLV (DUT MUST choose a new and random initial ID sequence number and delete all previous + * information from its routing tables.) + */ + + VerifyOrQuit(router1.Get().IsLeader()); + VerifyOrQuit(router2.Get().IsLeader()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 8: Original Leader device"); + + /** + * Step 8: Original Leader device + * - Description: Automatically reattaches to the network. + * - Pass Criteria: + * - For DUT = Leader: + * - The DUT MUST send properly formatted MLE Parent Requests to the Link-Local All-Routers multicast address + * 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 (If the DUT sends multiple Parent Requests, the first one MUST be sent only to All + * Routers; subsequent ones MAY be sent to routers and REEDS) + * - Version TLV + */ + + SuccessOrQuit(leader.Get().Start()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 9: Original Leader device"); + + /** + * Step 9: Original Leader device + * - Description: Automatically sends MLE Child ID Request to Router_2. + * - Pass Criteria: + * - For DUT = Leader: + * - The DUT MUST unicast MLE Child ID Request to Router_2. + * - The following TLVs MUST be present in the Child ID Request: + * - Link-layer Frame Counter TLV + * - Mode TLV + * - Response TLV + * - Timeout TLV + * - TLV Request TLV, containing: Address16 TLV, Network Data TLV, 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) + */ + + nexus.AdvanceTime(kAttachToRouterTime); + VerifyOrQuit(leader.Get().IsAttached()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 10: Original Leader device"); + + /** + * Step 10: Original Leader device + * - Description: Automatically sends MLE Advertisements. + * - Pass Criteria: + * - For DUT = Leader: + * - The DUT MUST send MLE advertisements 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 Advertisement: + * - Leader Data TLV + * - Route64 TLV + * - Source Address TLV + */ + + nexus.AdvanceTime(kAttachToRouterTime); + VerifyOrQuit(leader.Get().IsRouter()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 11: Router_1"); + + /** + * Step 11: Router_1 + * - Description: Router_1 and Router_2 network partitions automatically merge. + * - Pass Criteria: + * - For DUT = Router: + * - The DUT MUST attach to Router_2’s network partition. + * - The DUT’s Address Solicit Request MUST be formatted as below: + * - CoAP Request URI: coap://:MM/a/as + * - CoAP Payload: + * - MAC Extended Address TLV + * - Status TLV (value = 4 [PARENT_PARTITION_CHANGE]) + * - RLOC16 TLV (optional) + */ + + leader.AllowList(router1); + router1.AllowList(leader); + + nexus.AdvanceTime(kWaitPeriod); + + VerifyOrQuit(router1.Get().GetLeaderData().GetPartitionId() == + router2.Get().GetLeaderData().GetPartitionId()); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 12: MED_2"); + + /** + * Step 12: MED_2 + * - Description: Automatically sends MLE Child Update Request to Router_1 at its keep-alive interval. + * - Pass Criteria: N/A + */ + + Log("---------------------------------------------------------------------------------------"); + Log("Step 13: Router_1"); + + /** + * Step 13: Router_1 + * - Description: Automatically responds with MLE Child Update Response. + * - Pass Criteria: + * - For DUT = Router: + * - The DUT MUST unicast MLE Child Update Response to MED_2, with the updated TLVs of the new partition. + * - The following TLVs MUST be present in the MLE Child Update Response: + * - Mode TLV + * - Leader Data TLV + * - Source Address TLV + * - Address Registration TLV (optional) + */ + + nexus.AdvanceTime(kStabilizationTime); + + Log("---------------------------------------------------------------------------------------"); + Log("Step 14: MED_2"); + + /** + * Step 14: MED_2 + * - Description: Harness instructs the device to send an ICMPv6 Echo Request to MED_3. + * - Pass Criteria: + * - MED_2 MUST receive an ICMPv6 Echo Reply from MED_3, validating the network merge and the connectivity + * between the partitions. + */ + + med2.SendEchoRequest(med3.Get().GetMeshLocalEid(), kEchoIdentifier); + nexus.AdvanceTime(kStabilizationTime); + + nexus.SaveTestInfo("test_5_5_3.json"); +} + +} // namespace Nexus +} // namespace ot + +int main(void) +{ + ot::Nexus::Test5_5_3(); + printf("All tests passed\n"); + return 0; +} diff --git a/tests/nexus/verify_5_3_3.py b/tests/nexus/verify_5_3_3.py index 77dd2e2d8..11888a349 100644 --- a/tests/nexus/verify_5_3_3.py +++ b/tests/nexus/verify_5_3_3.py @@ -160,7 +160,8 @@ def verify(pv): end_of_step_4 = pkts.index # Now check in the range up to this reply. - pkts.range(start_of_step_4, end_of_step_4).filter_wpan_src64(DUT).\ + pkts.range(start_of_step_4, end_of_step_4).\ + filter_wpan_src64(DUT).\ filter_ipv6_src(pv.vars['DUT_RLOC']).\ filter_coap_request(consts.ADDR_QRY_URI).\ filter(lambda p: p.coap.tlv.target_eid == pv.vars['ROUTER_3_MLEID']).\ diff --git a/tests/nexus/verify_5_5_3.py b/tests/nexus/verify_5_5_3.py new file mode 100644 index 000000000..9a6d7a410 --- /dev/null +++ b/tests/nexus/verify_5_5_3.py @@ -0,0 +1,314 @@ +#!/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): + # 5.5.3 Split and Merge: Branch with Child + # + # 5.5.3.1 Topology + # - Topology A: DUT, Router_1, MED_2, Router_2, MED_3 + # - Topology B: Leader, Router_2, DUT, MED_2, MED_3 + # + # 5.5.3.2 Purpose & Description + # The purpose of this test case is to show that the Router_1 will create a new partition once the Leader is + # removed from the network for a time period longer than the Leader timeout (120 seconds), and the network + # will merge back together once the Leader device is reintroduced to the network. + # + # Spec Reference | V1.1 Section | V1.3.0 Section + # --------------------------|--------------|--------------- + # Thread Network Partitions | 5.16 | 5.16 + + pkts = pv.pkts + pv.summary.show() + + LEADER = pv.vars['LEADER'] + ROUTER_1 = pv.vars['ROUTER_1'] + ROUTER_2 = pv.vars['ROUTER_2'] + MED_2 = pv.vars['MED_2'] + MED_3 = pv.vars['MED_3'] + + # Step 0: All + # - Description: Topology formation. + # - Pass Criteria: N/A + print("Step 0: All") + + # Step 1: Router_2 + # - Description: Harness configures the device to form new partitions with the high partition weight (72). + # - Pass Criteria: N/A + print("Step 1: Router_2") + + # Step 2: Leader, Router_1 (DUT) + # - Description: Automatically transmit MLE advertisements. + # - Pass Criteria: + # - The DUT MUST send MLE Advertisements 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 MLE Advertisement: + # - Leader Data TLV + # - Route64 TLV + # - Source Address TLV + print("Step 2: Leader, Router_1 (DUT)") + pkts.copy().filter_mle_cmd(consts.MLE_ADVERTISEMENT).\ + filter_LLANMA().\ + 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 3: Leader + # - Description: Leader device is restarted. + # - 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]). + # - Harness begins a 250 second wait period during which steps 4-13 are expected to happen automatically. + # - 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 previous 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 (value = 0xc0) + # - Version TLV + # - The DUT MUST make two separate attempts to reconnect to its current partition in this manner. + print("Step 4: Router_1") + pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\ + filter_LLARMA().\ + filter_wpan_src64(ROUTER_1).\ + 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).\ + 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 to + # the Link-Local 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 (value = 0x80) + # - Version TLV + print("Step 6: Router_1") + pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\ + filter_LLARMA().\ + filter_wpan_src64(ROUTER_1).\ + 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 == 0).\ + must_next() + + # Step 7: Router_1 + # - Description: Automatically starts a new partition as Leader and begins transmitting MLE Advertisements. + # - Pass Criteria: + # - For DUT = Router: + # - The DUT MUST send MLE Advertisements 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 MLE Advertisements: + # - Source Address TLV + # - Leader Data TLV (Router_1 MUST choose a new and random initial Partition ID, VN_Version, and + # VN_Stable_version.) + # - Route64 TLV (DUT MUST choose a new and random initial ID sequence number and delete all previous + # information from its routing tables.) + print("Step 7: Router_1") + pkts.filter_mle_cmd(consts.MLE_ADVERTISEMENT).\ + filter_LLANMA().\ + filter_wpan_src64(ROUTER_1).\ + filter(lambda p: { + consts.SOURCE_ADDRESS_TLV, + consts.LEADER_DATA_TLV, + consts.ROUTE64_TLV + } <= set(p.mle.tlv.type) and p.ipv6.hlim == 255).\ + must_next() + + # Step 8: Original Leader device + # - Description: Automatically reattaches to the network. + # - Pass Criteria: + # - For DUT = Leader: + # - The DUT MUST send properly formatted MLE Parent Requests to the Link-Local All-Routers multicast address + # 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 (If the DUT sends multiple Parent Requests, the first one MUST be sent only to All + # Routers; subsequent ones MAY be sent to routers and REEDS) + # - Version TLV + print("Step 8: Original Leader device") + pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\ + filter_LLARMA().\ + filter_wpan_src64(LEADER).\ + 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).\ + must_next() + + # Step 9: Original Leader device + # - Description: Automatically sends MLE Child ID Request to Router_2. + # - Pass Criteria: + # - For DUT = Leader: + # - The DUT MUST unicast MLE Child ID Request to Router_2. + # - The following TLVs MUST be present in the Child ID Request: + # - Link-layer Frame Counter TLV + # - Mode TLV + # - Response TLV + # - Timeout TLV + # - TLV Request TLV, containing: Address16 TLV, Network Data TLV, 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) + print("Step 9: Original Leader device") + pkts.filter_mle_cmd(consts.MLE_CHILD_ID_REQUEST).\ + filter_wpan_src64(LEADER).\ + filter_wpan_dst64(ROUTER_2).\ + 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)).\ + must_next() + + # Step 10: Original Leader device + # - Description: Automatically sends MLE Advertisements. + # - Pass Criteria: + # - For DUT = Leader: + # - The DUT MUST send MLE advertisements 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 Advertisement: + # - Leader Data TLV + # - Route64 TLV + # - Source Address TLV + print("Step 10: Original Leader device") + pkts.filter_mle_cmd(consts.MLE_ADVERTISEMENT).\ + filter_LLANMA().\ + filter_wpan_src64(LEADER).\ + 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 11: Router_1 + # - Description: Router_1 and Router_2 network partitions automatically merge. + # - Pass Criteria: + # - For DUT = Router: + # - The DUT MUST attach to Router_2’s network partition. + # - The DUT’s Address Solicit Request MUST be formatted as below: + # - CoAP Request URI: coap://:MM/a/as + # - CoAP Payload: + # - MAC Extended Address TLV + # - Status TLV (value = 4 [PARENT_PARTITION_CHANGE]) + # - RLOC16 TLV (optional) + print("Step 11: Router_1") + pkts.filter_wpan_src64(ROUTER_1).\ + filter_coap_request('/a/as').\ + filter(lambda p: { + consts.NL_MAC_EXTENDED_ADDRESS_TLV, + consts.NL_STATUS_TLV + } <= set(p.coap.tlv.type) and p.coap.tlv.status == 4).\ + must_next() + + # Step 12: MED_2 + # - Description: Automatically sends MLE Child Update Request to Router_1 at its keep-alive interval. + # - Pass Criteria: N/A + print("Step 12: MED_2") + + # Step 13: Router_1 + # - Description: Automatically responds with MLE Child Update Response. + # - Pass Criteria: + # - For DUT = Router: + # - The DUT MUST unicast MLE Child Update Response to MED_2, with the updated TLVs of the new partition. + # - The following TLVs MUST be present in the MLE Child Update Response: + # - Mode TLV + # - Leader Data TLV + # - Source Address TLV + # - Address Registration TLV (optional) + print("Step 13: Router_1") + pkts.filter_mle_cmd(consts.MLE_CHILD_UPDATE_RESPONSE).\ + filter_wpan_src64(ROUTER_1).\ + filter_wpan_dst64(MED_2).\ + filter(lambda p: { + consts.MODE_TLV, + consts.LEADER_DATA_TLV, + consts.SOURCE_ADDRESS_TLV + } <= set(p.mle.tlv.type)).\ + must_next() + + # Step 14: MED_2 + # - Description: Harness instructs the device to send an ICMPv6 Echo Request to MED_3. + # - Pass Criteria: + # - MED_2 MUST receive an ICMPv6 Echo Reply from MED_3, validating the network merge and the connectivity + # between the partitions. + print("Step 14: MED_2") + _pkt = pkts.filter_ping_request().filter_wpan_src64(MED_2).must_next() + pkts.filter_ping_reply().\ + filter(lambda p: p.ipv6.src == _pkt.ipv6.dst and p.ipv6.dst == _pkt.ipv6.src).\ + must_next() + + +if __name__ == '__main__': + verify_utils.run_main(verify)