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[thread-cert] refactor case 5.2.1 using pktverify (#5770)
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Jing Ma
@@ -33,27 +33,54 @@ import command
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import config
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import mle
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import thread_cert
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from pktverify.consts import MLE_ADVERTISEMENT, MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_ID_RESPONSE, ADDR_SOL_URI, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ROUTE64_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, CONNECTIVITY_TLV, LINK_MARGIN_TLV, VERSION_TLV, NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV, NL_ROUTER_MASK_TLV, COAP_CODE_ACK
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.null_field import nullField
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LEADER = 1
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DUT_ROUTER1 = 2
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REED1 = 3
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MED1 = 4
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to show that the DUT is able to attach
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# a REED and forward address solicits two hops away from the Leader.
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#
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# Test Topology:
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# -------------
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# Leader
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# |
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# Router_1
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# |
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# REED_1
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# |
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# MED_1
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#
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# DUT Types:
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# ----------
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# Router
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class Cert_5_2_01_REEDAttach(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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TOPOLOGY = {
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LEADER: {
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'name': 'LEADER',
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'mode': 'rdn',
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'panid': 0xface,
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'allowlist': [DUT_ROUTER1]
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},
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DUT_ROUTER1: {
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'name': 'ROUTER_1',
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'mode': 'rdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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'allowlist': [LEADER, REED1]
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},
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REED1: {
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'name': 'REED_1',
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'mode': 'rdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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@@ -61,6 +88,7 @@ class Cert_5_2_01_REEDAttach(thread_cert.TestCase):
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'allowlist': [DUT_ROUTER1, MED1]
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},
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MED1: {
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'name': 'MED_1',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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@@ -73,65 +101,210 @@ class Cert_5_2_01_REEDAttach(thread_cert.TestCase):
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self.simulator.go(5)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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# 1 DUT_ROUTER1: Attach to LEADER
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self.nodes[DUT_ROUTER1].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')
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# DUT_ROUTER1: Verify MLE advertisements
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router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
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msg = router1_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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command.check_mle_advertisement(msg)
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# 2 REED1: Attach to DUT_ROUTER1
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self.nodes[REED1].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[REED1].get_state(), 'child')
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# 3 DUT_ROUTER1: Verify MLE Parent Response
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router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
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msg = router1_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
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msg.assertSentToNode(self.nodes[REED1])
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command.check_parent_response(msg)
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# 4 DUT_ROUTER1: Verify MLE Child ID Response
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msg = router1_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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msg.assertSentToNode(self.nodes[REED1])
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command.check_child_id_response(msg)
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# 5 Omitted
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# 6 MED1: Attach to REED1
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self.nodes[MED1].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[MED1].get_state(), 'child')
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# 7 REED1: Verify sending Address Solicit Request to DUT_ROUTER1
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reed1_messages = self.simulator.get_messages_sent_by(REED1)
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msg = reed1_messages.next_coap_message('0.02')
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reed1_ipv6_address = (msg.ipv6_packet.ipv6_header.source_address.compressed)
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msg.assertSentToNode(self.nodes[DUT_ROUTER1])
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msg.assertCoapMessageRequestUriPath('/a/as')
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# 8 DUT_ROUTER1: Verify forwarding REED1's Address Solicit Request to
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# LEADER
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router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
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msg = router1_messages.next_coap_message('0.02')
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msg.assertSentToNode(self.nodes[LEADER])
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msg.assertCoapMessageRequestUriPath('/a/as')
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# DUT_ROUTER1: Verify forwarding LEADER's Address Solicit Response to
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# REED1
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msg = router1_messages.next_coap_message('2.04')
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msg.assertSentToDestinationAddress(reed1_ipv6_address)
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self.collect_rloc16s()
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self.collect_ipaddrs()
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self.simulator.go(config.MAX_ADVERTISEMENT_INTERVAL)
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# 9 LEADER: Verify connectivity by sending an ICMPv6 Echo Request to
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# REED1
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for addr in self.nodes[REED1].get_addrs():
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if addr[0:4] != 'fe80':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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reed_mleid = self.nodes[REED1].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
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self.assertTrue(self.nodes[LEADER].ping(reed_mleid))
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def verify(self, pv):
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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_MLEID = pv.vars['LEADER_MLEID']
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LEADER_RLOC16 = pv.vars['LEADER_RLOC16']
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ROUTER_1 = pv.vars['ROUTER_1']
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ROUTER_1_RLOC16 = pv.vars['ROUTER_1_RLOC16']
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REED_1 = pv.vars['REED_1']
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REED_1_MLEID = pv.vars['REED_1_MLEID']
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# Step 1: Router_1 attaches to Leader and sends properly formatted MLE
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# advertisements
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# Advertisements MUST be sent with an IP hop limit of 255 to
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# the Link-Local All Nodes multicast address (FF02::1).
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# The following TLVs MUST be present in the MLE Advertisements:
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# - Leader Data TLV
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# - Route64 TLV
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# - Source Address TLV
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pv.verify_attached('ROUTER_1')
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pkts.filter_wpan_src64(ROUTER_1).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_ADVERTISEMENT).\
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filter(lambda p: {
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LEADER_DATA_TLV,
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ROUTE64_TLV,
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SOURCE_ADDRESS_TLV
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} == set(p.mle.tlv.type) and\
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p.ipv6.hlim == 255
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).\
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must_next()
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# Step 2: Attach REED_1 to Router_1; REED_1 sends MLE Parent Request with
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# an IP hop limit of 255 to the Link-Local All Routers multicast
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# address (FF02::2).
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# The following TLVs MUST be present in the MLE Parent Request:
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# - Challenge TLV
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# - Mode TLV
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# - Scan Mask TLV
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# If the DUT sends multiple MLE Parent Requests
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# - The first one MUST be sent only to all Routers
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# - Subsequent ones MAY be sent to all Routers and REEDS
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# - Version TLV
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pkts.filter_wpan_src64(REED_1).\
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filter_LLARMA().\
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filter_mle_cmd(MLE_PARENT_REQUEST).\
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filter(lambda p: {
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CHALLENGE_TLV,
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MODE_TLV,
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SCAN_MASK_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type) and\
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p.ipv6.hlim == 255 and\
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p.mle.tlv.scan_mask.r == 1 and\
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p.mle.tlv.scan_mask.e == 0).\
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must_next()
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# Step 3: Router_1 must respond with a MLE Parent Response.
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# The following TLVs MUST be present in the MLE Parent Response:
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# - Challenge TLV
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# - Connectivity TLV
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# - Leader Data TLV
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# - Link-layer Frame Counter TLV
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# - Link Margin TLV
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# - Response TLV
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# - Source Address
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# - Version TLV
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# - MLE Frame Counter TLV (optional)
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pkts.filter_wpan_src64(ROUTER_1).\
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filter_wpan_dst64(REED_1).\
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filter_mle_cmd(MLE_PARENT_RESPONSE).\
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filter(lambda p: {
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CHALLENGE_TLV,
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CONNECTIVITY_TLV,
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LEADER_DATA_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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LINK_MARGIN_TLV,
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RESPONSE_TLV,
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SOURCE_ADDRESS_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type)).\
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must_next()
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# Step 4: Router_1 must respond with a Child ID Response.
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# The following TLVs MUST be present in the Child ID Response:
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# - Address16 TLV
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# - Leader Data TLV
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# - Network Data TLV
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# - Source Address TLV
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# - Route64 TLV (if requested)
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pkts.filter_wpan_src64(ROUTER_1).\
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filter_wpan_dst64(REED_1).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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filter(lambda p: {
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ADDRESS16_TLV,
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LEADER_DATA_TLV,
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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ROUTE64_TLV
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} <= set(p.mle.tlv.type) or\
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{
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ADDRESS16_TLV,
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LEADER_DATA_TLV,
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV
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} <= set(p.mle.tlv.type)
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).\
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must_next()
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# Step 7: REED_1 sends an Address Solicit Request to Router_1.
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# Ensure the Address Solicit Request is properly formatted:
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# CoAP Request URI
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# coap://<leader address>:MM/a/as
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# CoAP Payload
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# - MAC Extended Address TLV
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# - Status TLV
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_pkt1 = pkts.filter_wpan_src64(REED_1).\
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filter_wpan_dst16(ROUTER_1_RLOC16).\
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filter_coap_request(ADDR_SOL_URI).\
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filter(lambda p: {
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NL_MAC_EXTENDED_ADDRESS_TLV,
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NL_STATUS_TLV
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} == set(p.coap.tlv.type)\
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).\
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must_next()
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# Step 8: Router_1 forward the REED_1's Address Solicit Request to
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# Leader and Leader's Address Solicit Response to REED_1.
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# Ensure the Address Solicit Response is properly formatted:
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# CoAP Response Code
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# 2.04 Changed
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# CoAP Payload
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# - Status TLV (value = Success)
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# - RLOC16 TLV
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# - Router Mask TLV
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_pkt2 = pkts.filter_wpan_src64(ROUTER_1).\
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filter_wpan_dst16(LEADER_RLOC16).\
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filter_coap_request(ADDR_SOL_URI).\
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filter(lambda p: {
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NL_MAC_EXTENDED_ADDRESS_TLV,
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NL_STATUS_TLV
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} == set(p.coap.tlv.type)\
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).\
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst16(_pkt2.wpan.src16).\
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filter_coap_ack(ADDR_SOL_URI).\
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filter(lambda p: {
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NL_STATUS_TLV,
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NL_RLOC16_TLV,
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NL_ROUTER_MASK_TLV
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} == set(p.coap.tlv.type) and\
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p.coap.code == COAP_CODE_ACK and\
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p.thread_address.tlv.status == 0\
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).\
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must_next()
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pkts.filter_wpan_src64(ROUTER_1).\
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filter_wpan_dst16(_pkt1.wpan.src16).\
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filter_coap_ack(ADDR_SOL_URI).\
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filter(lambda p: {
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NL_STATUS_TLV,
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NL_RLOC16_TLV,
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NL_ROUTER_MASK_TLV
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} == set(p.coap.tlv.type) and\
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p.coap.code == COAP_CODE_ACK and\
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p.thread_address.tlv.status == 0\
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).\
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must_next()
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# Step 9: REED_1 responds with ICMPv6 Echo Reply
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_pkt = pkts.filter_ipv6_src_dst(LEADER_MLEID, REED_1_MLEID).\
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filter_ping_request().\
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must_next()
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pkts.filter_ipv6_src_dst(REED_1_MLEID, LEADER_MLEID).\
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filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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must_next()
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if __name__ == '__main__':
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