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https://github.com/espressif/openthread.git
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[thread-cert] refactor case 7.1.1 using pktverify (#5855)
This commit is contained in:
Jing Ma
@@ -28,19 +28,13 @@
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#
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import unittest
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import copy
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import config
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import thread_cert
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from command import (
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check_child_id_response,
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check_child_update_response,
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check_child_update_request_from_child,
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check_data_response,
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)
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from command import CheckType
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from command import NetworkDataCheck, PrefixesCheck, SinglePrefixCheck
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import mle
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from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_CHILD_UPDATE_REQUEST, MLE_CHILD_UPDATE_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, TIMEOUT_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.addrs import Ipv6Addr
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LEADER = 1
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ROUTER = 2
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@@ -48,22 +42,46 @@ SED1 = 3
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MED1 = 4
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MTDS = [SED1, MED1]
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PREFIX_2001 = '2001::/64'
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PREFIX_2002 = '2002::/64'
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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, as a Border Router,
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# acts properly as a Leader device in a Thread network, correctly sets the
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# Network Data (stable/non-stable) and successfully propagates the Network Data
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# to the devices that attach to it.
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#
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# Test Topology:
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# -------------
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# SED
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# |
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# ROUTER - Leader(DUT) - MED
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#
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# DUT Types:
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# ----------
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# Leader
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class Cert_7_1_1_BorderRouterAsLeader(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': [ROUTER, SED1, MED1]
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},
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ROUTER: {
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'name': 'ROUTER',
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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]
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},
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SED1: {
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'name': 'SED',
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'is_mtd': True,
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'mode': '-',
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'panid': 0xface,
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@@ -71,26 +89,27 @@ class Cert_7_1_1_BorderRouterAsLeader(thread_cert.TestCase):
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'allowlist': [LEADER]
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},
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MED1: {
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'name': 'MED',
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'is_mtd': True,
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'mode': 'rn',
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'panid': 0xface,
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'allowlist': [LEADER]
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},
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}
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# override wireshark preferences with case needed parameters
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CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS)
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CASE_WIRESHARK_PREFS['6lowpan.context1'] = PREFIX_2001
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CASE_WIRESHARK_PREFS['6lowpan.context2'] = PREFIX_2002
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def test(self):
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self.nodes[LEADER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[LEADER].add_prefix('2001:2:0:1::/64', 'paros')
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self.nodes[LEADER].add_prefix('2001:2:0:2::/64', 'paro')
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self.nodes[LEADER].add_prefix(PREFIX_2001, 'paros')
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self.nodes[LEADER].add_prefix(PREFIX_2002, 'paro')
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self.nodes[LEADER].register_netdata()
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# Set lowpan context of sniffer
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self.simulator.set_lowpan_context(1, '2001:2:0:1::/64')
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self.simulator.set_lowpan_context(2, '2001:2:0:2::/64')
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self.nodes[ROUTER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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@@ -103,80 +122,179 @@ class Cert_7_1_1_BorderRouterAsLeader(thread_cert.TestCase):
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self.simulator.go(5)
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self.assertEqual(self.nodes[MED1].get_state(), 'child')
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addrs = self.nodes[SED1].get_addrs()
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self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
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self.assertFalse(any('2001:2:0:2' in addr[0:10] for addr in addrs))
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for addr in addrs:
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if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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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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addrs = self.nodes[MED1].get_addrs()
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self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
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self.assertTrue(any('2001:2:0:2' in addr[0:10] for addr in addrs))
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for addr in addrs:
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if addr[0:10] == '2001:2:0:1' or addr[0:10] == '2001:2:0:2':
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self.assertTrue(self.nodes[LEADER].ping(addr))
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LEADER = pv.vars['LEADER']
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ROUTER = pv.vars['ROUTER']
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MED = pv.vars['MED']
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SED = pv.vars['SED']
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leader_messages = self.simulator.get_messages_sent_by(LEADER)
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med1_messages = self.simulator.get_messages_sent_by(MED1)
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sed1_messages = self.simulator.get_messages_sent_by(SED1)
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# Step 1: The DUT forms the network properly sends MLE Advertisements
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pkts.filter_wpan_src64(LEADER).\
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filter_mle_advertisement('Leader').\
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must_next()
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# Step 1 - DUT sends MLE Advertisements
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msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
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# Step 3: Router attaches to the Leader (DUT) and requests complete
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# network data
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pkts.filter_wpan_src64(ROUTER).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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filter(lambda p: {
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RESPONSE_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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MODE_TLV,
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TIMEOUT_TLV,
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VERSION_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
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} < set(p.mle.tlv.type) and\
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p.mle.tlv.mode.network_data == 1
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).\
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must_next()
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# Step 2 - DUT creates network data
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msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
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check_data_response(
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msg,
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network_data_check=NetworkDataCheck(prefixes_check=PrefixesCheck(prefix_check_list=[
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SinglePrefixCheck(prefix=b'2001000200000001'),
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SinglePrefixCheck(prefix=b'2001000200000002'),
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])),
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)
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# Step 4: The DUT MUST send a MLE Child ID Response to Router,
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# including the following TLVs:
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# - Network Data TLV
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# At least two Prefix TLVs (Prefix 1 and Prefix 2),
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# each including:
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# - 6LoWPAN ID sub-TLV
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# - Border Router sub-TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(ROUTER).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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filter(lambda p: {
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Ipv6Addr(PREFIX_2001[:-3]),
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Ipv6Addr(PREFIX_2002[:-3])
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} == set(p.thread_nwd.tlv.prefix) and\
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p.thread_nwd.tlv.border_router.flag.p == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.s == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.r == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.o == [1, 1] and\
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p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0]
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).\
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must_next()
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# Step 4 - DUT sends a MLE Child ID Response to Router1
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msg = leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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check_child_id_response(
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msg,
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network_data_check=NetworkDataCheck(prefixes_check=PrefixesCheck(prefix_cnt=2)),
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)
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# Step 5: SED attaches to the Leader (DUT) and requests only stable
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# network data
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pkts.filter_wpan_src64(SED).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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filter(lambda p: {
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RESPONSE_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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MODE_TLV,
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TIMEOUT_TLV,
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VERSION_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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ADDRESS_REGISTRATION_TLV
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} <= set(p.mle.tlv.type) and\
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p.mle.tlv.mode.network_data == 0
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).\
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must_next()
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# Step 6 - DUT sends a MLE Child ID Response to SED1
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msg = leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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check_child_id_response(
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msg,
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network_data_check=NetworkDataCheck(prefixes_check=PrefixesCheck(
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prefix_check_list=[SinglePrefixCheck(border_router_16=0xfffe)])),
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)
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# Step 6: The DUT MUST send a MLE Child ID Response to SED,
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# including the following TLVs:
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# - Network Data TLV
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# At least one Prefix TLVs (Prefix 1),including:
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# - 6LoWPAN ID sub-TLV
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# - Border Router sub-TLV
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# - P_border_router_16 <0xFFFE>
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# Prefix 2 TLV MUST NOT be included
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SED).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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filter(lambda p: {
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MODE_TLV,
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TIMEOUT_TLV,
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CHALLENGE_TLV
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} == set(p.thread_nwd.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] == p.thread_nwd.tlv.prefix and\
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p.thread_nwd.tlv.border_router.flag.p == [1] and\
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p.thread_nwd.tlv.border_router.flag.s == [1] and\
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p.thread_nwd.tlv.border_router.flag.r == [1] and\
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p.thread_nwd.tlv.border_router.flag.o == [1] and\
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p.thread_nwd.tlv.stable == [1, 1, 1]
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).\
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must_next()
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# For Step 10
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msg_chd_upd_res_to_sed = leader_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_RESPONSE)
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lstart = pkts.index
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# Step 8 - DUT sends a MLE Child ID Response to MED1
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msg = leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
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check_child_id_response(
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msg,
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network_data_check=NetworkDataCheck(prefixes_check=PrefixesCheck(prefix_cnt=2)),
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)
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# Step 7: MED attaches to the Leader (DUT) and requests complete
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# network data
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pkts.filter_wpan_src64(MED).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
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filter(lambda p: {
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RESPONSE_TLV,
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LINK_LAYER_FRAME_COUNTER_TLV,
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MODE_TLV,
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TIMEOUT_TLV,
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VERSION_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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ADDRESS_REGISTRATION_TLV
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} < set(p.mle.tlv.type) and\
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p.mle.tlv.mode.network_data == 1
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).\
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must_next()
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# Step 10 - DUT sends Child Update Response
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msg_chd_upd_res_to_med = leader_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_RESPONSE)
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msg = med1_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_REQUEST)
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check_child_update_request_from_child(msg, address_registration=CheckType.CONTAIN, CIDs=[0, 1, 2])
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# Step 8: The DUT MUST send a MLE Child ID Response to MED,
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# including the following TLVs:
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# - Network Data TLV
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# At least two Prefix TLVs (Prefix 1 and Prefix 2),
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# each including:
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# - 6LoWPAN ID sub-TLV
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# - Border Router sub-TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(MED).\
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filter_mle_cmd(MLE_CHILD_ID_RESPONSE).\
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filter(lambda p: {
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Ipv6Addr(PREFIX_2001[:-3]),
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Ipv6Addr(PREFIX_2002[:-3])
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} == set(p.thread_nwd.tlv.prefix) and\
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p.thread_nwd.tlv.border_router.flag.p == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.s == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.r == [1, 1] and\
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p.thread_nwd.tlv.border_router.flag.o == [1, 1] and\
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p.thread_nwd.tlv.stable == [0, 1, 1, 1, 0, 0, 0]
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).\
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must_next()
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check_child_update_response(
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msg_chd_upd_res_to_med,
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address_registration=CheckType.CONTAIN,
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CIDs=[1, 2],
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)
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# Step 9: After attaching, each Child automatically sends its global address
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# configured to the Leader, in the Address Registration TLV from the
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# Child Update request command
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msg = sed1_messages.next_mle_message(mle.CommandType.CHILD_UPDATE_REQUEST)
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check_child_update_request_from_child(msg, address_registration=CheckType.CONTAIN, CIDs=[0, 1])
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check_child_update_response(
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msg_chd_upd_res_to_sed,
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address_registration=CheckType.CONTAIN,
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CIDs=[1],
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)
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# Step 10: The DUT MUST send a MLE Child Update Response, each, to MED & SED
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# The following TLVs MUST be present in the Child Update Response:
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# - Source Address TLV
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# - Address Registration TLV
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# - Echoes back addresses configured in step 9
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# - Mode TLV
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for child in (SED, MED):
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_pkt = pkts.range(lstart).\
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filter_wpan_src64(child).\
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filter_wpan_dst64(LEADER).\
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filter_mle_cmd(MLE_CHILD_UPDATE_REQUEST).\
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must_next()
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pkts.range(lstart).\
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filter_wpan_src64(LEADER).\
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filter_wpan_dst64(child).\
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filter_mle_cmd(MLE_CHILD_UPDATE_RESPONSE).\
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filter(lambda p: {
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SOURCE_ADDRESS_TLV,
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MODE_TLV,
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ADDRESS_REGISTRATION_TLV
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} < set(p.mle.tlv.type) and\
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set(p.mle.tlv.addr_reg_iid) < set(_pkt.mle.tlv.addr_reg_iid)
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).\
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must_next()
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if __name__ == '__main__':
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