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[thread-cert] refactor case 5.1.9 using pktverify (#5743)
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Jing Ma
@@ -32,44 +32,71 @@ import unittest
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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_REQUEST, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ADDRESS16_TLV, LEADER_DATA_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, CONNECTIVITY_TLV, LINK_MARGIN_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV
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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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ROUTER1 = 2
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REED0 = 3
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REED1 = 4
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REED1 = 3
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REED2 = 4
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ROUTER2 = 5
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to verify that the DUT will
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# pick REED_1 as its parent because of its better connectivity
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#
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# Test Topology:
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# -------------
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# Leader--Router1
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# / \ /
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# REED2 REED1
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# \ /
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# Router2[DUT]
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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_1_09_REEDAttachConnectivity(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': [ROUTER1, REED0, REED1]
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'allowlist': [ROUTER1, REED1, REED2]
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},
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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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REED0: {
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'mode': 'rdn',
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'panid': 0xface,
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'router_upgrade_threshold': 0,
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'allowlist': [LEADER, ROUTER2]
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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_upgrade_threshold': 0,
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'allowlist': [LEADER, ROUTER1, ROUTER2]
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},
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REED2: {
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'name': 'REED_2',
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'mode': 'rdn',
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'panid': 0xface,
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'router_upgrade_threshold': 0,
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'allowlist': [LEADER, ROUTER2]
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},
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ROUTER2: {
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'name': 'ROUTER_2',
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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': [REED0, REED1]
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'allowlist': [REED1, REED2]
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},
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}
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@@ -84,8 +111,8 @@ class Cert_5_1_09_REEDAttachConnectivity(thread_cert.TestCase):
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
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self.assertEqual(self.nodes[REED0].get_state(), 'child')
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self.assertEqual(self.nodes[REED1].get_state(), 'child')
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self.assertEqual(self.nodes[REED2].get_state(), 'child')
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self.simulator.go(config.MAX_ADVERTISEMENT_INTERVAL)
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@@ -94,65 +121,160 @@ class Cert_5_1_09_REEDAttachConnectivity(thread_cert.TestCase):
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self.assertEqual(self.nodes[ROUTER2].get_state(), 'router')
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self.assertEqual(self.nodes[REED1].get_state(), 'router')
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leader_messages = self.simulator.get_messages_sent_by(LEADER)
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router1_messages = self.simulator.get_messages_sent_by(ROUTER1)
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reed0_messages = self.simulator.get_messages_sent_by(REED0)
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reed1_messages = self.simulator.get_messages_sent_by(REED1)
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router2_messages = self.simulator.get_messages_sent_by(ROUTER2)
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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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# 1 - Leader, Router1, REED1, REED2
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leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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router1_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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LEADER = pv.vars['LEADER']
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REED_1 = pv.vars['REED_1']
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ROUTER_1 = pv.vars['ROUTER_1']
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ROUTER_2 = pv.vars['ROUTER_2']
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# 2 - Router2
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msg = router2_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
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msg.assertSentWithHopLimit(255)
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msg.assertSentToDestinationAddress("ff02::2")
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msg.assertMleMessageContainsTlv(mle.Mode)
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msg.assertMleMessageContainsTlv(mle.Challenge)
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msg.assertMleMessageContainsTlv(mle.ScanMask)
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msg.assertMleMessageContainsTlv(mle.Version)
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# Step 1: Verify ROUTER_1 and Leader are sending MLE advertisements.
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pkts.filter_wpan_src64(LEADER).\
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filter_mle_cmd(MLE_ADVERTISEMENT).\
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must_next()
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pv.verify_attached('ROUTER_1')
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scan_mask_tlv = msg.get_mle_message_tlv(mle.ScanMask)
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self.assertEqual(1, scan_mask_tlv.router)
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self.assertEqual(0, scan_mask_tlv.end_device)
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# Step 3: The DUT sends a MLE Parent Request with an IP hop limit of
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# 255 to the Link-Local All Routers multicast 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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# If the first MLE Parent Request was sent to all Routers and
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# REEDS, the test fails.
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# 4 - Router2
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msg = router2_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
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msg.assertSentWithHopLimit(255)
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msg.assertSentToDestinationAddress("ff02::2")
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msg.assertMleMessageContainsTlv(mle.Mode)
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msg.assertMleMessageContainsTlv(mle.Challenge)
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msg.assertMleMessageContainsTlv(mle.ScanMask)
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msg.assertMleMessageContainsTlv(mle.Version)
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pkts.filter_wpan_src64(ROUTER_2).\
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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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).\
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must_next()
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lstart = pkts.index
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scan_mask_tlv = msg.get_mle_message_tlv(mle.ScanMask)
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self.assertEqual(1, scan_mask_tlv.router)
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self.assertEqual(1, scan_mask_tlv.end_device)
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# Step 5: The DUT MUST send a MLE Parent Request with an IP hop limit of
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# 255 to the Link-Local All Routers multicast 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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# - The Scan Mask TLV MUST be sent to Routers And REEDs
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# - Version TLV
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#
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# In securing the first three messages of the attaching process,
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# the full four-byte key sequence number MUST be included in
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# the Auxiliary Security Header used for MLE security.
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#
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# To send the full four-byte key sequence number, the Key
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# Identifier Mode of the Security Control Field SHALL be set to
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# ‘0x02’, indicating the presence of a four-byte Key Source,
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# which SHALL contain the four-byte key sequence number in
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# network byte order.
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# 5 - REED1, REED2
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msg = reed0_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
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connectivity_tlv_reed0 = msg.get_mle_message_tlv(mle.Connectivity)
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pkts.filter_wpan_src64(ROUTER_2).\
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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 == 1 and\
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p.wpan.aux_sec.key_id_mode == 0x2
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).\
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must_next()
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lend = pkts.index
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msg = reed1_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
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connectivity_tlv_reed1 = msg.get_mle_message_tlv(mle.Connectivity)
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# Step 4: REED_1 and REED_2 no response to Parent Request meant for all routers.
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self.assertGreater(
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connectivity_tlv_reed1.link_quality_3,
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connectivity_tlv_reed0.link_quality_3,
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)
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for i in (1, 2):
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pkts.range(lstart, lend).\
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filter_wpan_src64(pv.vars['REED_%d' % i]).\
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filter_wpan_dst64(ROUTER_2).\
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filter_mle_cmd(MLE_PARENT_RESPONSE).\
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must_not_next()
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# 6 - Router2
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msg = router2_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
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msg.assertSentToNode(self.nodes[REED1])
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msg.assertMleMessageContainsTlv(mle.Response)
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msg.assertMleMessageContainsTlv(mle.LinkLayerFrameCounter)
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msg.assertMleMessageContainsOptionalTlv(mle.MleFrameCounter)
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msg.assertMleMessageContainsTlv(mle.Mode)
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msg.assertMleMessageContainsTlv(mle.Timeout)
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msg.assertMleMessageContainsTlv(mle.Version)
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msg.assertMleMessageContainsTlv(mle.TlvRequest)
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msg.assertMleMessageDoesNotContainTlv(mle.AddressRegistration)
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# Step 6: REED_1 and REED_2 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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for i in (1, 2):
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with pkts.save_index():
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pkts.filter_wpan_src64(pv.vars['REED_%d' % i]).\
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filter_wpan_dst64(ROUTER_2).\
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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) and\
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p.wpan.aux_sec.key_id_mode == 0x2
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).\
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must_next()
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# Step 7: DUT sends a MLE Child ID Request to REED_1.
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# The following TLVs MUST be present in the MLE Child ID Request:
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# - Link-layer Frame Counter TLV
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# - Mode TLV
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# - Response TLV
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# - Timeout TLV
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# - TLV Request TLV
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# - Address16 TLV
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# - Network Data TLV
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# - Route64 TLV (optional)
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# - Version TLV
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# - MLE Frame Counter TLV (optional)
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# The following TLV MUST NOT be present in the MLE Child ID Request:
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# - Address Registration TLV
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_pkt = pkts.filter_wpan_src64(ROUTER_2).\
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filter_wpan_dst64(REED_1).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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filter(lambda p: {
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LINK_LAYER_FRAME_COUNTER_TLV,
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MODE_TLV,
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RESPONSE_TLV,
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TIMEOUT_TLV,
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TLV_REQUEST_TLV,
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ADDRESS16_TLV,
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NETWORK_DATA_TLV,
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VERSION_TLV
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} <= set(p.mle.tlv.type) and\
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p.mle.tlv.addr16 is nullField and\
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p.thread_nwd.tlv.type is nullField and\
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p.wpan.aux_sec.key_id_mode == 0x2
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).\
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must_next()
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_pkt.must_not_verify(lambda p: (ADDRESS_REGISTRATION_TLV) in p.mle.tlv.type)
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if __name__ == '__main__':
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