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[scripts] add Backbone DUA routes test (#5644)

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This commit is contained in:
Simon Lin
2021-04-05 21:28:38 -07:00
committed by GitHub
parent 743e91361c
commit 5bc74b7113
3 changed files with 255 additions and 5 deletions
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tests/scripts/thread-cert/backbone/bbr_5_11_01.py
+2 -3
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@@ -126,9 +126,8 @@ class BBR_5_11_01(thread_cert.TestCase):
self.assertTrue(self.nodes[BR_1].ping(self.nodes[HOST].get_ip6_address(config.ADDRESS_TYPE.BACKBONE_GUA),
backbone=True))
# Step 23: Host sends ping packet to destination Dg
# TODO: (DUA) implement DUA routing on OTBR
self.assertFalse(self.nodes[HOST].ping(Dg, backbone=True))
# Step 23: Host sends ping packet to destination Dg (successful if DUA features work)
self.assertTrue(self.nodes[HOST].ping(Dg, backbone=True))
def verify(self, pv: PacketVerifier):
pkts = pv.pkts
tests/scripts/thread-cert/backbone/test_dua_routing.py
+252
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@@ -0,0 +1,252 @@
#!/usr/bin/env python3
#
# Copyright (c) 2020, The OpenThread Authors.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# This test verifies that PBBR sets DUA routes correctly.
#
import ipaddress
import unittest
import config
import thread_cert
from pktverify.packet_verifier import PacketVerifier
# Use two channels
CH1 = 11
CH2 = 22
PBBR = 1
SBBR = 2
ROUTER1 = 3
HOST = 4
PBBR2 = 5
ROUTER2 = 6
REREG_DELAY = 5 # Seconds
MLR_TIMEOUT = 300 # Seconds
WAIT_REDUNDANCE = 3
class TestNdProxy(thread_cert.TestCase):
USE_MESSAGE_FACTORY = False
# Topology:
# ------(eth)----------------------
# | | | |
# PBBR----SBBR HOST PBBR2
# \ CH1 / | CH2
# ROUTER1 ROUTER2
#
# PBBR2 is in the secondary channel
#
TOPOLOGY = {
PBBR: {
'name': 'PBBR',
'allowlist': [SBBR, ROUTER1],
'is_otbr': True,
'version': '1.2',
'router_selection_jitter': 1,
'channel': CH1,
},
SBBR: {
'name': 'SBBR',
'allowlist': [PBBR, ROUTER1],
'is_otbr': True,
'version': '1.2',
'router_selection_jitter': 1,
'channel': CH1,
},
ROUTER1: {
'name': 'ROUTER1',
'allowlist': [PBBR, SBBR],
'version': '1.2',
'router_selection_jitter': 1,
'channel': CH1,
},
HOST: {
'name': 'HOST',
'is_host': True
},
PBBR2: {
'name': 'PBBR2',
'is_otbr': True,
'version': '1.2',
'router_selection_jitter': 1,
'channel': CH2,
},
ROUTER2: {
'name': 'ROUTER2',
'version': '1.2',
'router_selection_jitter': 1,
'channel': CH2,
},
}
def _bootstrap(self):
# Bring up HOST
self.nodes[HOST].start()
# Bring up PBBR
self.nodes[PBBR].start()
self.simulator.go(5)
self.assertEqual('leader', self.nodes[PBBR].get_state())
self.wait_node_state(PBBR, 'leader', 5)
self.nodes[PBBR].set_backbone_router(reg_delay=REREG_DELAY, mlr_timeout=MLR_TIMEOUT)
self.nodes[PBBR].enable_backbone_router()
self.nodes[PBBR].set_domain_prefix(config.DOMAIN_PREFIX, 'prosD')
self.simulator.go(5)
self.assertTrue(self.nodes[PBBR].is_primary_backbone_router)
self.assertIsNotNone(self.nodes[PBBR].get_ip6_address(config.ADDRESS_TYPE.DUA))
# Bring up SBBR
self.nodes[SBBR].start()
self.simulator.go(5)
self.assertEqual('router', self.nodes[SBBR].get_state())
self.nodes[SBBR].set_backbone_router(reg_delay=REREG_DELAY, mlr_timeout=MLR_TIMEOUT)
self.nodes[SBBR].enable_backbone_router()
self.simulator.go(5)
self.assertFalse(self.nodes[SBBR].is_primary_backbone_router)
self.assertIsNotNone(self.nodes[SBBR].get_ip6_address(config.ADDRESS_TYPE.DUA))
# Bring up ROUTER1
self.nodes[ROUTER1].start()
self.simulator.go(5)
self.assertEqual('router', self.nodes[ROUTER1].get_state())
self.assertIsNotNone(self.nodes[ROUTER1].get_ip6_address(config.ADDRESS_TYPE.DUA))
# Bring up PBBR2
self.nodes[PBBR2].start()
self.simulator.go(5)
self.assertEqual('leader', self.nodes[PBBR2].get_state())
self.wait_node_state(PBBR2, 'leader', 5)
self.nodes[PBBR2].set_backbone_router(reg_delay=REREG_DELAY, mlr_timeout=MLR_TIMEOUT)
self.nodes[PBBR2].enable_backbone_router()
self.nodes[PBBR2].set_domain_prefix(config.DOMAIN_PREFIX, 'prosD')
self.simulator.go(5)
self.assertTrue(self.nodes[PBBR2].is_primary_backbone_router)
self.assertIsNotNone(self.nodes[PBBR2].get_ip6_address(config.ADDRESS_TYPE.DUA))
# Bring up ROUTER2
self.nodes[ROUTER2].start()
self.simulator.go(5)
self.assertEqual('router', self.nodes[ROUTER2].get_state())
self.assertIsNotNone(self.nodes[ROUTER2].get_ip6_address(config.ADDRESS_TYPE.DUA))
def test(self):
self._bootstrap()
self.collect_ipaddrs()
self.collect_rloc16s()
self.simulator.go(WAIT_REDUNDANCE)
# Step 1: Host pings PBBR's DUA
self.assertTrue(self.nodes[HOST].ping(self.nodes[PBBR].get_ip6_address(config.ADDRESS_TYPE.DUA),
backbone=True))
self.simulator.go(WAIT_REDUNDANCE)
# Step 2: Host pings SBBR's DUA
self.assertTrue(self.nodes[HOST].ping(self.nodes[SBBR].get_ip6_address(config.ADDRESS_TYPE.DUA),
backbone=True))
self.simulator.go(WAIT_REDUNDANCE)
# Step 3: Host pings ROUTER1's DUA
self.assertTrue(self.nodes[HOST].ping(self.nodes[ROUTER1].get_ip6_address(config.ADDRESS_TYPE.DUA),
backbone=True))
self.simulator.go(WAIT_REDUNDANCE)
# Step 4: ROUTER2 pings ROUTER1 which should succeed
ROUTER1_DUA = self.nodes[ROUTER1].get_ip6_address(config.ADDRESS_TYPE.DUA)
self.assertTrue(self.nodes[ROUTER2].ping(ROUTER1_DUA))
self.simulator.go(WAIT_REDUNDANCE)
def _get_mliid(self, nodeid: int) -> str:
mleid = self.nodes[nodeid].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
mliid = ipaddress.IPv6Address(mleid).packed[-8:]
return ''.join(['%02x' % b for b in mliid])
def verify(self, pv: PacketVerifier):
pkts = pv.pkts
pv.add_common_vars()
pv.summary.show()
PBBR = pv.vars['PBBR']
PBBR2 = pv.vars['PBBR2']
ROUTER1 = pv.vars['ROUTER1']
ROUTER2 = pv.vars['ROUTER2']
SBBR = pv.vars['SBBR']
PBBR_DUA = pv.vars['PBBR_DUA']
SBBR_DUA = pv.vars['SBBR_DUA']
ROUTER1_DUA = pv.vars['ROUTER1_DUA']
ROUTER2_DUA = pv.vars['ROUTER2_DUA']
HOST_BGUA = pv.vars['HOST_BGUA']
PBBR_ETH = pv.vars['PBBR_ETH']
PBBR2_ETH = pv.vars['PBBR2_ETH']
# Verify that SBBR should not foward any Ping Request to the Thread network.
# Use `ipv6.hlim == 63` to avoid false fails because SBBR might still forward Ping Request from PBBR to ROUTER1
pkts.filter_wpan_src64(SBBR).filter_ping_request().filter('ipv6.hlim == 63').must_not_next()
# Step 1: Host pings PBBR's DUA
# PBBR should not forward the Ping Request to Thread network
ping1_pkts = pkts.filter_ipv6_src_dst(HOST_BGUA, PBBR_DUA).filter_ping_request()
ping1_pkts.filter_eth().must_next()
ping1_pkts.filter_wpan().must_not_next()
# Step 2: Host pings SBBR's DUA
# PBBR should forward the Ping Request to Thread network according to DUA routes
ping2_pkts = pkts.filter_ipv6_src_dst(HOST_BGUA, SBBR_DUA).filter_ping_request()
ping2_pkts.filter_eth().must_next()
ping2_pkts.filter_wpan().must_next()
# Step 3: Host pings ROUTER1's DUA
# PBBR should forward the Ping Request to Thread network according to DUA routes
ping3_pkts = pkts.filter_ipv6_src_dst(HOST_BGUA, ROUTER1_DUA).filter_ping_request()
ping3_pkts.filter_eth().must_next()
ping3_pkts.filter_wpan().must_next()
# Step 4: ROUTER2 pings ROUTER1
# Verify Ping Request: ROUTER2 -> PBBR2 -> PBBR -> ROUTER1
ping4_request_pkts = pkts.filter_ipv6_src_dst(ROUTER2_DUA, ROUTER1_DUA)
ping4_id = ping4_request_pkts.filter_wpan_src64(
ROUTER2).filter_ping_request().must_next().icmpv6.echo.identifier
ping4_request_pkts.filter_eth_src(PBBR2_ETH).filter_ping_request(identifier=ping4_id).must_next()
ping4_request_pkts.filter_wpan_src64(PBBR).filter_ping_request(identifier=ping4_id).must_next()
# Verify Ping Reply: ROUTER1 -> PBBR -> PBBR2 -> ROUTER2
ping4_reply_pkts = pkts.filter_ipv6_src_dst(ROUTER1_DUA, ROUTER2_DUA).filter_ping_reply(identifier=ping4_id)
ping4_reply_pkts.filter_eth_src(PBBR_ETH).must_next()
if __name__ == '__main__':
unittest.main()
tests/scripts/thread-cert/backbone/test_mlr_multicast_routing_across_thread_pans.py
+1 -2
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@@ -152,8 +152,7 @@ class TestMlr(thread_cert.TestCase):
self.simulator.go(WAIT_REDUNDANCE)
# ping MA2 from R1 could get replied from Host and R2
# TODO (DUA): ping reply can not reach ROUTER1 since DUA feature is not complete.
self.assertFalse(self.nodes[ROUTER1].ping(MA2))
self.assertTrue(self.nodes[ROUTER1].ping(MA2))
self.simulator.go(WAIT_REDUNDANCE)
def verify(self, pv: PacketVerifier):