| #!/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 the basic MLR feature works. |
| # |
| import unittest |
| |
| import config |
| import thread_cert |
| from pktverify.packet_verifier import PacketVerifier |
| |
| CH1 = 11 |
| CH2 = 22 |
| |
| PBBR1 = 1 |
| ROUTER1 = 2 |
| PBBR2 = 3 |
| ROUTER2 = 4 |
| HOST = 5 |
| |
| MA1 = 'ff05::1234:777a:1' |
| MA2 = 'ff05::1234:777a:2' |
| |
| BBR_REGISTRATION_JITTER = 1 |
| WAIT_REDUNDANCE = 3 |
| |
| |
| class TestMlr(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| # Topology: |
| # --------(eth)----------- |
| # | | | |
| # PBBR HOST PBBR2 |
| # | | |
| # ROUTER1 ROUTER2 |
| # |
| TOPOLOGY = { |
| PBBR1: { |
| 'name': 'PBBR1', |
| 'allowlist': [ROUTER1], |
| 'is_otbr': True, |
| 'version': '1.2', |
| 'bbr_registration_jitter': BBR_REGISTRATION_JITTER, |
| 'channel': CH1, |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER1', |
| 'allowlist': [PBBR1], |
| 'version': '1.2', |
| 'channel': CH1, |
| }, |
| PBBR2: { |
| 'name': 'PBBR2', |
| 'allowlist': [ROUTER2], |
| 'is_otbr': True, |
| 'version': '1.2', |
| 'bbr_registration_jitter': BBR_REGISTRATION_JITTER, |
| 'channel': CH2, |
| }, |
| ROUTER2: { |
| 'name': 'ROUTER2', |
| 'allowlist': [PBBR2], |
| 'version': '1.2', |
| 'channel': CH2, |
| }, |
| HOST: { |
| 'name': 'Host', |
| 'is_host': True |
| }, |
| } |
| |
| def test(self): |
| # Bring up Host |
| self.nodes[HOST].start() |
| self.nodes[HOST].add_ipmaddr(MA2, backbone=True) |
| |
| # Bring up PBBR1 |
| self.nodes[PBBR1].start() |
| self.simulator.go(5) |
| self.assertEqual('leader', self.nodes[PBBR1].get_state()) |
| |
| self.nodes[PBBR1].enable_backbone_router() |
| self.simulator.go(10) |
| self.assertTrue(self.nodes[PBBR1].is_primary_backbone_router) |
| self.nodes[PBBR1].add_prefix(config.DOMAIN_PREFIX, "parosD") |
| self.nodes[PBBR1].register_netdata() |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| # Bring up ROUTER1 |
| self.nodes[ROUTER1].start() |
| self.simulator.go(5) |
| self.assertEqual('router', self.nodes[ROUTER1].get_state()) |
| self.nodes[ROUTER1].add_ipmaddr(MA1) |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| # Bring up PBBR2 |
| self.nodes[PBBR2].start() |
| self.simulator.go(5) |
| self.assertEqual('leader', self.nodes[PBBR2].get_state()) |
| |
| self.nodes[PBBR2].enable_backbone_router() |
| self.simulator.go(10) |
| self.assertTrue(self.nodes[PBBR2].is_primary_backbone_router) |
| |
| self.nodes[PBBR2].add_prefix(config.DOMAIN_PREFIX, "parosD") |
| self.nodes[PBBR2].register_netdata() |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| # Bring up ROUTER2 |
| self.nodes[ROUTER2].start() |
| self.simulator.go(5) |
| self.assertEqual('router', self.nodes[ROUTER1].get_state()) |
| self.nodes[ROUTER2].add_ipmaddr(MA1) |
| self.nodes[ROUTER2].add_ipmaddr(MA2) |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| self.collect_ipaddrs() |
| self.collect_rloc16s() |
| |
| # ping MA1 from Host could get replied from R1 and R2 |
| self.assertTrue(self.nodes[HOST].ping(MA1, backbone=True, ttl=5)) |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| # ping MA2 from R1 could get replied from Host and R2 |
| self.assertTrue(self.nodes[ROUTER1].ping(MA2)) |
| self.simulator.go(WAIT_REDUNDANCE) |
| |
| def verify(self, pv: PacketVerifier): |
| pkts = pv.pkts |
| pv.add_common_vars() |
| pv.summary.show() |
| |
| PBBR1 = pv.vars['PBBR1'] |
| PBBR1_ETH = pv.vars['PBBR1_ETH'] |
| PBBR2 = pv.vars['PBBR2'] |
| PBBR2_ETH = pv.vars['PBBR2_ETH'] |
| ROUTER1 = pv.vars['ROUTER1'] |
| ROUTER2 = pv.vars['ROUTER2'] |
| HOST_ETH = pv.vars['Host_ETH'] |
| HOST_BGUA = pv.vars['Host_BGUA'] |
| |
| ROUTER1_DUA = pv.vars['ROUTER1_DUA'] |
| ROUTER2_DUA = pv.vars['ROUTER2_DUA'] |
| |
| ROUTER1_RLOC16 = pv.vars['ROUTER1_RLOC16'] |
| |
| # |
| # Verify Host ping MA1 to R1 and R2 |
| # |
| |
| # Host should send ping MA1 in the Backbone link |
| ping_ma1 = pkts.filter_eth_src(HOST_ETH).filter_ipv6_src_dst(HOST_BGUA, MA1).filter_ping_request().must_next() |
| |
| with pkts.save_index(): |
| # PBBR1 should forward ping reply to the Backbone link |
| pkts.filter_eth_src(PBBR1_ETH).filter_ipv6_src_dst( |
| ROUTER1_DUA, HOST_BGUA).filter_ping_reply(identifier=ping_ma1.icmpv6.echo.identifier).must_next() |
| |
| # PBBR2 should forward ping reply to the Backbone link |
| pkts.filter_eth_src(PBBR2_ETH).filter_ipv6_src_dst( |
| ROUTER2_DUA, HOST_BGUA).filter_ping_reply(identifier=ping_ma1.icmpv6.echo.identifier).must_next() |
| |
| # |
| # Verify R1 pings MA2 to Host and R2 |
| # |
| |
| # ROUTER1 should send the multicast ping request |
| ping_ma2 = pkts.filter_wpan_src64(ROUTER1).filter_AMPLFMA( |
| mpl_seed_id=ROUTER1_RLOC16).filter_ping_request().must_next() |
| |
| # PBBR1 should forward the multicast ping request to the Backbone link |
| pkts.filter_eth_src(PBBR1_ETH).filter_ipv6_src_dst( |
| ROUTER1_DUA, MA2).filter_ping_request(identifier=ping_ma2.icmpv6.echo.identifier).must_next() |
| |
| with pkts.save_index(): |
| # Host should send ping reply to Router1 |
| pkts.filter_eth_src(HOST_ETH).filter_ipv6_dst(ROUTER1_DUA).filter_ping_reply( |
| identifier=ping_ma2.icmpv6.echo.identifier).must_next() |
| |
| # PBBR2 should forward the multicast ping request to Thread network at CH2 |
| pkts.filter_wpan_src64(PBBR2).filter_AMPLFMA().filter_ping_request( |
| identifier=ping_ma2.icmpv6.echo.identifier).must_next() |
| |
| # ROUTER2 should send ping reply back to ROUTER1 |
| pkts.filter_wpan_src64(ROUTER2).filter_ipv6_src_dst( |
| ROUTER2_DUA, ROUTER1_DUA).filter_ping_reply(identifier=ping_ma2.icmpv6.echo.identifier).must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
