#!/usr/bin/env python3 # # Copyright (c) 2019, 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. # import unittest import config import copy import mle import thread_cert from pktverify.consts import MLE_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, SOURCE_ADDRESS_TLV, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MLE_FRAME_COUNTER_TLV, ROUTE64_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 from pktverify.packet_verifier import PacketVerifier LEADER = 1 REED = 2 ROUTER = 3 MTD = 4 # Test Purpose and Description: # ----------------------------- # The purpose of this test is to verify that the DUT sends a second Parent Request # to the all-routers and all-reeds multicast address if it gets a reply from the # first Parent Request to the all-routers address with a bad link quality. # # Test Topology: # ------------- # Leader # / \ # REED ROUTER # \ / # DUT # # DUT Types: # ---------- # ED # SED class Cert_6_1_6_REEDAttachLinkQuality_Base(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [REED, ROUTER] }, REED: { 'name': 'REED', 'mode': 'rdn', 'router_upgrade_threshold': 0, 'allowlist': [LEADER, MTD] }, ROUTER: { 'name': 'ROUTER', 'mode': 'rdn', 'allowlist': [LEADER, (MTD, -85)] }, MTD: { 'name': 'DUT', 'is_mtd': True, 'timeout': config.DEFAULT_CHILD_TIMEOUT, 'allowlist': [REED, ROUTER] }, } def test(self): self.nodes[LEADER].start() self.simulator.go(config.LEADER_STARTUP_DELAY) self.assertEqual(self.nodes[LEADER].get_state(), 'leader') self.nodes[REED].start() self.simulator.go(5) self.assertEqual(self.nodes[REED].get_state(), 'child') self.nodes[ROUTER].start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual(self.nodes[ROUTER].get_state(), 'router') self.nodes[MTD].start() self.simulator.go(10) self.assertEqual(self.nodes[MTD].get_state(), 'child') self.assertEqual(self.nodes[REED].get_state(), 'router') self.collect_ipaddrs() self.collect_rlocs() def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] REED = pv.vars['REED'] ROUTER = pv.vars['ROUTER'] DUT = pv.vars['DUT'] # Step 1: Setup the topology without the DUT. Ensure all routers and leader # are sending MLE advertisements pkts.filter_wpan_src64(LEADER).\ filter_mle_advertisement('Leader').\ must_next() pv.verify_attached('REED', 'LEADER') pv.verify_attached('ROUTER', 'LEADER') # Step 3: DUT sends a MLE Parent Request with an IP hop limit of # 255 to the Link-Local All Routers multicast address (FF02::2). # The following TLVs MUST be present in the MLE Parent Request: # - Challenge TLV # - Mode TLV # - Scan Mask TLV # Verify sent to routers only # - Version TLV # If the first Request was sent to all routers and REEDS, then # the test has failed. pkts.filter_wpan_src64(DUT).\ filter_LLARMA().\ filter_mle_cmd(MLE_PARENT_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, MODE_TLV, SCAN_MASK_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255 and\ p.mle.tlv.scan_mask.r == 1 and\ p.mle.tlv.scan_mask.e == 0 and\ p.wpan.aux_sec.key_id_mode == 0x2 ).\ must_next() # Step 4: Router responds with MLE Parent Response pkts.filter_wpan_src64(ROUTER).\ filter_wpan_dst64(DUT).\ filter_mle_cmd(MLE_PARENT_RESPONSE).\ filter(lambda p: { CHALLENGE_TLV, CONNECTIVITY_TLV, LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, LINK_MARGIN_TLV, RESPONSE_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV } <= set(p.mle.tlv.type)).\ must_next() # Step 5: DUT sends a MLE Parent Request with an IP hop limit of # 255 to the Link-Local All Routers multicast address (FF02::2). # The following TLVs MUST be present in the MLE Parent Request: # - Challenge TLV # - Mode TLV # - Scan Mask TLV # Verify that it is sent to Routers AND REEDs # - Version TLV pkts.filter_wpan_src64(DUT).\ filter_LLARMA().\ filter_mle_cmd(MLE_PARENT_REQUEST).\ filter(lambda p: { CHALLENGE_TLV, MODE_TLV, SCAN_MASK_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255 and\ p.mle.tlv.scan_mask.r == 1 and\ p.mle.tlv.scan_mask.e == 1 and\ p.wpan.aux_sec.key_id_mode == 0x2 ).\ must_next() index2 = pkts.index # Step 6: REED sends MLE Parent Response to DUT pkts.filter_wpan_src64(REED).\ filter_wpan_dst64(DUT).\ filter_mle_cmd(MLE_PARENT_RESPONSE).\ filter(lambda p: { CHALLENGE_TLV, CONNECTIVITY_TLV, LEADER_DATA_TLV, LINK_LAYER_FRAME_COUNTER_TLV, LINK_MARGIN_TLV, RESPONSE_TLV, SOURCE_ADDRESS_TLV, VERSION_TLV } <= set(p.mle.tlv.type)).\ must_next() # Step 6: DUT sends a MLE Child ID Request to REED # The following TLVs MUST be present in the MLE Child ID Request: # - Address Registration TLV # - Link-layer Frame Counter TLV # - Mode TLV # - Response TLV # - Timeout TLV # - TLV Request TLV # - Version TLV # - MLE Frame Counter TLV (optional) pkts.filter_wpan_src64(DUT).\ filter_wpan_dst64(REED).\ filter_mle_cmd(MLE_CHILD_ID_REQUEST).\ filter(lambda p: { ADDRESS_REGISTRATION_TLV, LINK_LAYER_FRAME_COUNTER_TLV, MODE_TLV, RESPONSE_TLV, TIMEOUT_TLV, TLV_REQUEST_TLV, VERSION_TLV } <= set(p.mle.tlv.type) and\ p.wpan.aux_sec.key_id_mode == 0x2 ).\ must_next() class Cert_6_1_6_REEDAttachLinkQuality_ED(Cert_6_1_6_REEDAttachLinkQuality_Base): TOPOLOGY = copy.deepcopy(Cert_6_1_6_REEDAttachLinkQuality_Base.TOPOLOGY) TOPOLOGY[MTD]['mode'] = 'rn' class Cert_6_1_6_REEDAttachLinkQuality_SED(Cert_6_1_6_REEDAttachLinkQuality_Base): TOPOLOGY = copy.deepcopy(Cert_6_1_6_REEDAttachLinkQuality_Base.TOPOLOGY) TOPOLOGY[MTD]['mode'] = '-' del (Cert_6_1_6_REEDAttachLinkQuality_Base) if __name__ == '__main__': unittest.main()