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[thread-cert] add case 7.1.6 BorderRouterAsLeader using pktverify (#5868)
This commit is contained in:
Jing Ma
@@ -0,0 +1,491 @@
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#!/usr/bin/env python3
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#
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# Copyright (c) 2020, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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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 pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_CHILD_UPDATE_REQUEST, MLE_DATA_RESPONSE, MLE_CHILD_ID_RESPONSE, SVR_DATA_URI, ACTIVE_TIMESTAMP_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, VERSION_TLV, TLV_REQUEST_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, ROUTE64_TLV, CHALLENGE_TLV, SOURCE_ADDRESS_TLV, LEADER_DATA_TLV, ADDRESS_REGISTRATION_TLV, NWD_BORDER_ROUTER_TLV, NWD_6LOWPAN_ID_TLV
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.bytes import Bytes
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from pktverify.addrs import Ipv6Addr
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from pktverify.null_field import nullField
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LEADER = 1
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ROUTER_1 = 2
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ROUTER_2 = 3
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MED = 4
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SED = 5
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MTDS = [MED, SED]
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PREFIX_2001 = '2001:0db8:0001::/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 network data is properly updated
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# when a server from the network leaves and rejoins.
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# Router_1 is configured as Border Router for prefix 2001:db8:1::/64.
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# Router_2 is configured as Border Router for prefix 2001:db8:1::/64.
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# MED is configured to require complete network data.
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# SED is configured to request only stable network data.
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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_1 - Leader(DUT) - MED
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# |
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# Router_2
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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_6_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_1, ROUTER_2, MED, SED]
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},
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ROUTER_1: {
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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]
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},
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ROUTER_2: {
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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': [LEADER]
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},
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MED: {
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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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SED: {
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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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'timeout': config.DEFAULT_CHILD_TIMEOUT,
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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 = WIRESHARK_OVERRIDE_PREFS
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CASE_WIRESHARK_PREFS['6lowpan.context1'] = PREFIX_2001
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def _setUpRouter_1(self):
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self.nodes[ROUTER_1].add_allowlist(self.nodes[LEADER].get_addr64())
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self.nodes[ROUTER_1].enable_allowlist()
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self.nodes[ROUTER_1].set_router_selection_jitter(1)
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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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for i in (2, 3):
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self.nodes[i].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[i].get_state(), 'router')
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self.nodes[MED].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[MED].get_state(), 'child')
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self.nodes[SED].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[SED].get_state(), 'child')
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self.collect_rlocs()
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self.nodes[ROUTER_1].add_prefix(PREFIX_2001, 'paros')
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self.nodes[ROUTER_1].register_netdata()
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self.nodes[ROUTER_2].add_prefix(PREFIX_2001, 'paro')
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self.nodes[ROUTER_2].register_netdata()
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self.simulator.go(10)
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self.collect_ipaddrs()
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self.nodes[ROUTER_1].reset()
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self._setUpRouter_1()
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self.simulator.go(720)
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self.nodes[ROUTER_1].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER_1].get_state(), 'router')
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self.collect_rloc16s()
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self.nodes[ROUTER_1].add_prefix(PREFIX_2001, 'paros')
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self.nodes[ROUTER_1].register_netdata()
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self.simulator.go(10)
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dut_addr = self.nodes[LEADER].get_addr(PREFIX_2001)
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self.assertTrue(self.nodes[ROUTER_1].ping(dut_addr))
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self.simulator.go(1)
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self.assertTrue(self.nodes[SED].ping(dut_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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LEADER = pv.vars['LEADER']
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LEADER_RLOC = pv.vars['LEADER_RLOC']
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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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ROUTER_1_RLOC = pv.vars['ROUTER_1_RLOC']
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ROUTER_2 = pv.vars['ROUTER_2']
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ROUTER_2_RLOC16 = pv.vars['ROUTER_2_RLOC16']
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SED = pv.vars['SED']
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MED = pv.vars['MED']
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GUA = {}
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for node in ('LEADER', 'ROUTER_1', 'SED'):
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for addr in pv.vars['%s_IPADDRS' % node]:
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if addr.startswith(Bytes(PREFIX_2001[:-5])):
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GUA[node] = addr
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# Step 1: Ensure topology is formed correctly
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pv.verify_attached('ROUTER_1', 'LEADER')
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pv.verify_attached('ROUTER_2', 'LEADER')
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pv.verify_attached('MED', 'LEADER', 'MTD')
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pv.verify_attached('SED', 'LEADER', 'MTD')
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_pkt = pkts.last()
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# Step 2,3: Router_1 and Router_2 MUST send a CoAP Server Data
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# Notification frame to the Leader including the server’s
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# information(Prefix, Border Router):
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# CoAP Request URI
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# coap://[<Leader address>]:MM/a/sd
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# CoAP Payload
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# Thread Network Data TLV
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# Step 4: Leader sends a CoAP ACK frame to each of Router_1 and
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# Router_2
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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['ROUTER_%d' %i]).\
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filter_wpan_dst16(LEADER_RLOC16).\
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filter_coap_request(SVR_DATA_URI).\
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filter(lambda p:
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix and\
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[pv.vars['ROUTER_%d_RLOC16' %i]] ==
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p.thread_nwd.tlv.border_router_16
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).\
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must_next()
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pkts.filter_wpan_src64(LEADER).\
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filter_ipv6_dst(pv.vars['ROUTER_%d_RLOC' %i]).\
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filter_coap_ack(SVR_DATA_URI).\
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must_next()
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# Step 5: Leader MUST multicast MLE Data Response with the new
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# information collected from Router_1 and Router_2,
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# including the following TLVs:,
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# - Source Address TLV
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# - Leader Data TLV
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# - Data Version field <incremented>
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# - Stable Data Version field <incremented>
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# - Network Data TLV
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# - At least one Prefix TLV (Prefix 1)
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# - Two Border Router sub-TLVs
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# - 6LoWPAN ID sub-TLV
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_dr_pkt = pkts.filter_wpan_src64(LEADER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV
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} <= set(p.mle.tlv.type) 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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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix
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).\
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must_next()
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_dr_pkt1 = pkts.filter_wpan_src64(LEADER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV
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} <= set(p.mle.tlv.type) and\
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{
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NWD_BORDER_ROUTER_TLV,
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NWD_BORDER_ROUTER_TLV,
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NWD_6LOWPAN_ID_TLV
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} <= set(p.thread_nwd.tlv.type) 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.mle.tlv.leader_data.data_version ==
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(_dr_pkt.mle.tlv.leader_data.data_version + 1) % 256 and\
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(p.mle.tlv.leader_data.stable_data_version ==
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(_dr_pkt.mle.tlv.leader_data.stable_data_version + 1) % 256 or\
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p.mle.tlv.leader_data.stable_data_version ==
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(_pkt.mle.tlv.leader_data.stable_data_version + 1) % 256) and\
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix
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).\
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must_next()
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# Step 6: Leader MUST send a MLE Child Update Request or MLE Data
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# Response to SED, including the following TLVs:
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# - Network Data TLV
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# At least one Prefix TLV (Prefix 1) including:
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# - Border Router sub-TLV(corresponding to Router_1)
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# - 6LoWPAN ID sub-TLV
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# - P_border_router_16<0xFFFE>
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# - Source Address TLV
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# - Leader Data TLV
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# Data version numbers should be the same as the ones
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# sent in the multicast data response in step 5.
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# - Active Timestamp TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SED).\
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filter_mle_cmd2(MLE_CHILD_UPDATE_REQUEST, MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV,
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ACTIVE_TIMESTAMP_TLV
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} == set(p.mle.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix and\
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p.thread_nwd.tlv.stable == [1, 1, 1] and\
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p.mle.tlv.leader_data.data_version ==
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_dr_pkt1.mle.tlv.leader_data.data_version and\
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p.mle.tlv.leader_data.stable_data_version ==
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_dr_pkt1.mle.tlv.leader_data.stable_data_version and\
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[0xFFFE] == p.thread_nwd.tlv.border_router_16
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).\
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must_next()
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# Step 8: Leader MUST detect that Router_1 is removed from the network and
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# update the Router ID Set. Leader MUST remove the Network Data
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# section corresponding to Router_1 and increment the Data Version
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# and Stable Data Version
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# Step 9: Leader MUST multicast MLE Data Response neighbors and rx-on-when-idle
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# Children (MED) including the following TLVs:,
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# - Source Address TLV
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# - Leader Data TLV
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# - Data Version field <incremented>
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# - Stable Data Version field <incremented>
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# - Network Data TLV
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# - Router_1’s Network Data section MUST be removed
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pkts.filter_wpan_src64(LEADER).\
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filter_LLANMA().\
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filter_mle_cmd(MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV,
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} <= set(p.mle.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix and\
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[ROUTER_2_RLOC16] == p.thread_nwd.tlv.border_router_16 and\
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p.mle.tlv.leader_data.data_version ==
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(_dr_pkt1.mle.tlv.leader_data.data_version + 1) % 256 and\
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p.mle.tlv.leader_data.stable_data_version ==
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(_dr_pkt1.mle.tlv.leader_data.stable_data_version + 1) % 256
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).\
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must_next()
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# Step 10: The DUT MUST send a MLE Child Update Request or MLE Data
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# Response to SED, containing the updated Network Data:
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# - Network Data TLV
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# - Source Address TLV
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# - Active Timestamp TLV
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_pkt = pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(SED).\
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filter_mle_cmd2(MLE_CHILD_UPDATE_REQUEST, MLE_DATA_RESPONSE).\
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filter(lambda p: {
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NETWORK_DATA_TLV,
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SOURCE_ADDRESS_TLV,
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LEADER_DATA_TLV,
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} <= set(p.mle.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix and\
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p.thread_nwd.tlv.border_router_16 is nullField and\
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p.mle.tlv.leader_data.data_version ==
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(_dr_pkt1.mle.tlv.leader_data.data_version + 1) % 256 and\
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p.mle.tlv.leader_data.stable_data_version ==
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(_dr_pkt1.mle.tlv.leader_data.stable_data_version + 1) % 256
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).\
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must_next()
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# Step 12: Leader MUST send MLE Child ID Response to Router_1, which
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# includes the following TLVs:
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# - Source Address TLV
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# - Leader Data TLV
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# - Address16 TLV
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# - Route64 TLV
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# - Network Data TLV
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# - At least one Prefix TLV (Prefix 1)
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# including:
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# - Border Router sub-tlv corresponding to Router_2
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# - 6LoWPAN ID sub-TLV
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pkts.filter_wpan_src64(LEADER).\
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filter_wpan_dst64(ROUTER_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) and\
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{
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NWD_BORDER_ROUTER_TLV,
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NWD_6LOWPAN_ID_TLV
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} <= set(p.thread_nwd.tlv.type) and\
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[Ipv6Addr(PREFIX_2001[:-3])] ==
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p.thread_nwd.tlv.prefix and\
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[ROUTER_2_RLOC16] == p.thread_nwd.tlv.border_router_16
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).\
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must_next()
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# Step 13: Router_1 MUST send a CoAP Server DataNotification frame to
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# the Leader including the server’s information(Prefix, Border Router):
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# CoAP Request URI
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# coap://[<Leader address>]:MM/a/sd
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# CoAP Payload
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# Thread Network Data TLV
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# Step 14: Leader sends a CoAP ACK frame to each of Router_1
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with pkts.save_index():
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pkts.filter_wpan_src64(ROUTER_1).\
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||||
filter_wpan_dst16(LEADER_RLOC16).\
|
||||
filter_coap_request(SVR_DATA_URI).\
|
||||
filter(lambda p:
|
||||
[Ipv6Addr(PREFIX_2001[:-3])] ==
|
||||
p.thread_nwd.tlv.prefix and\
|
||||
[ROUTER_1_RLOC16] ==
|
||||
p.thread_nwd.tlv.border_router_16
|
||||
).\
|
||||
must_next()
|
||||
pkts.filter_wpan_src64(LEADER).\
|
||||
filter_ipv6_dst(ROUTER_1_RLOC).\
|
||||
filter_coap_ack(SVR_DATA_URI).\
|
||||
must_next()
|
||||
|
||||
# Step 15: Leader MUST multicast MLE Data Response with the new
|
||||
# information collected from Router_1 and Router_2,
|
||||
# including the following TLVs:,
|
||||
# - Source Address TLV
|
||||
# - Leader Data TLV
|
||||
# - Data Version field <incremented>
|
||||
# - Stable Data Version field <incremented>
|
||||
# - Network Data TLV
|
||||
# - At least one Prefix TLV (Prefix 1)
|
||||
# - Two Border Router sub-TLVs
|
||||
# corresponding to Router_1 and Router_2
|
||||
# - 6LoWPAN ID sub-TLV
|
||||
_dr_pkt2 = pkts.filter_wpan_src64(LEADER).\
|
||||
filter_LLANMA().\
|
||||
filter_mle_cmd(MLE_DATA_RESPONSE).\
|
||||
filter(lambda p: {
|
||||
NETWORK_DATA_TLV,
|
||||
SOURCE_ADDRESS_TLV,
|
||||
LEADER_DATA_TLV
|
||||
} <= set(p.mle.tlv.type) and\
|
||||
{ROUTER_1_RLOC16, ROUTER_2_RLOC16} ==
|
||||
set(p.thread_nwd.tlv.border_router_16) and\
|
||||
[Ipv6Addr(PREFIX_2001[:-3])] ==
|
||||
p.thread_nwd.tlv.prefix and\
|
||||
p.mle.tlv.leader_data.data_version ==
|
||||
(_pkt.mle.tlv.leader_data.data_version + 1) % 256 and\
|
||||
p.mle.tlv.leader_data.stable_data_version ==
|
||||
(_pkt.mle.tlv.leader_data.stable_data_version + 1) % 256
|
||||
).\
|
||||
must_next()
|
||||
|
||||
# Step 16: Leader MUST send a MLE Child Update Request or MLE Data
|
||||
# Response to SED, including the following TLVs:
|
||||
# - Network Data TLV
|
||||
# At least one Prefix TLV (Prefix 1)
|
||||
# - Border Router TLV (corresponding to Router_1)
|
||||
# - 6LoWPAN ID sub-TLV
|
||||
# - P_border_router_16<0xFFFE>
|
||||
# - Source Address TLV
|
||||
# - Leader Data TLV
|
||||
# Data version numbers should be the same as those
|
||||
# sent in the multicast data response in step 15.
|
||||
# - Active Timestamp TLV
|
||||
pkts.filter_wpan_src64(LEADER).\
|
||||
filter_wpan_dst64(SED).\
|
||||
filter_mle_cmd2(MLE_CHILD_UPDATE_REQUEST, MLE_DATA_RESPONSE).\
|
||||
filter(lambda p: {
|
||||
NETWORK_DATA_TLV,
|
||||
SOURCE_ADDRESS_TLV,
|
||||
LEADER_DATA_TLV,
|
||||
ACTIVE_TIMESTAMP_TLV
|
||||
} == set(p.mle.tlv.type) and\
|
||||
[Ipv6Addr(PREFIX_2001[:-3])] ==
|
||||
p.thread_nwd.tlv.prefix and\
|
||||
p.mle.tlv.leader_data.data_version ==
|
||||
_dr_pkt2.mle.tlv.leader_data.data_version and\
|
||||
p.thread_nwd.tlv.stable == [1, 1, 1] and\
|
||||
[0xFFFE] == p.thread_nwd.tlv.border_router_16
|
||||
).\
|
||||
must_next()
|
||||
|
||||
# Step 17: Verifies connectivity by sending ICMPv6 Echo Requests from
|
||||
# Router_1 and SED_1 to the Leader Prefix_1 based address.
|
||||
# Leader must respond with ICMPv6 Echo Replies
|
||||
for node in ('ROUTER_1', 'SED'):
|
||||
_pkt = pkts.filter_ping_request().\
|
||||
filter_ipv6_src_dst(GUA[node], GUA['LEADER']).\
|
||||
must_next()
|
||||
pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
|
||||
filter_ipv6_src_dst(GUA['LEADER'], GUA[node]).\
|
||||
must_next()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
@@ -102,6 +102,7 @@ EXTRA_DIST = \
|
||||
Cert_7_1_03_BorderRouterAsLeader.py \
|
||||
Cert_7_1_04_BorderRouterAsRouter.py \
|
||||
Cert_7_1_05_BorderRouterAsRouter.py \
|
||||
Cert_7_1_06_BorderRouterAsLeader.py \
|
||||
Cert_8_1_01_Commissioning.py \
|
||||
Cert_8_1_02_Commissioning.py \
|
||||
Cert_8_2_01_JoinerRouter.py \
|
||||
@@ -279,6 +280,7 @@ check_SCRIPTS = \
|
||||
Cert_7_1_03_BorderRouterAsLeader.py \
|
||||
Cert_7_1_04_BorderRouterAsRouter.py \
|
||||
Cert_7_1_05_BorderRouterAsRouter.py \
|
||||
Cert_7_1_06_BorderRouterAsLeader.py \
|
||||
Cert_8_1_01_Commissioning.py \
|
||||
Cert_8_1_02_Commissioning.py \
|
||||
Cert_8_2_01_JoinerRouter.py \
|
||||
|
||||
Reference in New Issue
Block a user