mirror of
https://github.com/espressif/openthread.git
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Abtin Keshavarzian
5d09e9ca4f
This commit updates the MLE attach process so that in the first attach cycle device tries a total of six MLE Parent Requests, the first two to routers only followed by four to routers and REEDs. For example, the six Parent Request message will be used before device can decide to act the leader. An MTD in the next attach attempt (if cannot find a parent in first attempt cycle), will go to the model of two Parent Requests (first to routers, then to routers/REEDs). This change impacts the time it takes for a device to start as leader (due to increased number of Parent Request and wait time). This commit updates different test scripts to address the change in the wait time. It adds a new `config.LEADER_STARTUP_DELAY` constants which is used for wait time for leader to start.
371 lines
14 KiB
Python
Executable File
371 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2016, 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 command
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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_PARENT_REQUEST, MLE_PARENT_RESPONSE, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, MLE_LINK_REQUEST, ADDR_SOL_URI, ADDR_NTF_URI, 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, NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV, NL_TARGET_EID_TLV, NL_ML_EID_TLV, COAP_CODE_ACK
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from pktverify.packet_verifier import PacketVerifier
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from pktverify.null_field import nullField
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from pktverify.bytes import Bytes
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LEADER = 1
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ROUTER1 = 2
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BR = 3
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MED = 17
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DUT_REED = 18
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ROUTER_SELECTION_JITTER = 1
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# Test Purpose and Description:
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# -----------------------------
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# The purpose of this test case is to validate that the DUT is able to generate
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# Address Notification messages in response to Address Query messages.
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#
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# - Build a topology that has a total of 16 active routers, including the Leader,
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# with no communication constraints and
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# - MED only allows Leader
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# - DUT only allows Router1
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# - DUT allows BR later as required in step 5.
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# - The Leader is configured as a DHCPv6 server for prefix 2001::
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# - The Border Router is configured as a SLAAC server for prefix 2002::
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#
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# Test Topology:
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# -------------
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# MED
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# |
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# Router_15 - Leader
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# ... / \
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# Router_2 Router_1
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# [BR] |
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# REED(DUT)
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#
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# DUT Types:
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# ----------
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# REED
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class Cert_5_2_5_AddressQuery(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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'allowlist': [ROUTER1, BR, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, MED]
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},
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ROUTER1: {
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'name': 'ROUTER_1',
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'mode': 'rdn',
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'allowlist': [LEADER, DUT_REED]
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},
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BR: {
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'name': 'ROUTER_2',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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4: {
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'name': 'ROUTER_3',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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5: {
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'name': 'ROUTER_4',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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6: {
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'name': 'ROUTER_5',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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7: {
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'name': 'ROUTER_6',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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8: {
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'name': 'ROUTER_7',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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9: {
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'name': 'ROUTER_8',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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10: {
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'name': 'ROUTER_9',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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11: {
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'name': 'ROUTER_10',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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12: {
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'name': 'ROUTER_11',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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13: {
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'name': 'ROUTER_12',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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14: {
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'name': 'ROUTER_13',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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15: {
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'name': 'ROUTER_14',
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'mode': 'rdn',
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'allowlist': [LEADER]
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},
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16: {
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'name': 'ROUTER_15',
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'mode': 'rdn',
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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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'allowlist': [LEADER]
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},
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DUT_REED: {
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'name': 'REED',
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'mode': 'rdn',
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'allowlist': [ROUTER1]
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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'] = '2001::/64'
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CASE_WIRESHARK_PREFS['6lowpan.context2'] = '2002::/64'
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def test(self):
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# 1. LEADER: DHCPv6 Server for prefix 2001::/64.
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self.nodes[LEADER].start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[LEADER].add_prefix('2001::/64', 'pdros')
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self.nodes[LEADER].register_netdata()
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# 2. BR: SLAAC Server for prefix 2002::/64.
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self.nodes[BR].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[BR].get_state(), 'router')
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self.nodes[BR].add_prefix('2002::/64', 'paros')
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self.nodes[BR].register_netdata()
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# 3. Bring up remaining devices except DUT_REED.
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for i in range(2, 17):
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if i == BR:
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continue
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self.nodes[i].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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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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# 4. Bring up DUT_REED.
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self.nodes[DUT_REED].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.simulator.go(ROUTER_SELECTION_JITTER)
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# 5. Enable a link between the DUT and BR to create a one-way link.
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self.nodes[DUT_REED].add_allowlist(self.nodes[BR].get_addr64())
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self.nodes[BR].add_allowlist(self.nodes[DUT_REED].get_addr64())
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self.collect_ipaddrs()
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self.collect_rlocs()
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# 6. Verify DUT_REED would send Address Notification when ping to its
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# ML-EID.
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mleid = self.nodes[DUT_REED].get_ip6_address(config.ADDRESS_TYPE.ML_EID)
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self.assertTrue(self.nodes[MED].ping(mleid))
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# Wait for sniffer collecting packets
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self.simulator.go(1)
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# 7 & 8. Verify DUT_REED would send Address Notification when ping to
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# its 2001::EID and 2002::EID.
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flag2001 = 0
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flag2002 = 0
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for global_address in self.nodes[DUT_REED].get_ip6_address(config.ADDRESS_TYPE.GLOBAL):
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if global_address[0:4] == '2001':
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flag2001 += 1
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elif global_address[0:4] == '2002':
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flag2002 += 1
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else:
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raise "Error: Address is unexpected."
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self.assertTrue(self.nodes[MED].ping(global_address))
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# Wait for sniffer collecting packets
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self.simulator.go(1)
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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_RLOC = pv.vars['LEADER_RLOC']
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LEADER_MLEID = pv.vars['LEADER_MLEID']
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ROUTER_1 = pv.vars['ROUTER_1']
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REED = pv.vars['REED']
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REED_MLEID = pv.vars['REED_MLEID']
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REED_RLOC = pv.vars['REED_RLOC']
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MED = pv.vars['MED']
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MED_MLEID = pv.vars['MED_MLEID']
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MM = pv.vars['MM_PORT']
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REED2001 = ''
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REED2002 = ''
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MED2001 = ''
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MED2002 = ''
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for addr in pv.vars['REED_IPADDRS']:
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if addr.startswith(Bytes('2001')):
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REED2001 = addr
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if addr.startswith(Bytes('2002')):
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REED2002 = addr
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for addr in pv.vars['MED_IPADDRS']:
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if addr.startswith(Bytes('2001')):
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MED2001 = addr
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if addr.startswith(Bytes('2002')):
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MED2002 = addr
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# Step 3: Verify topology is formed correctly except REED.
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for i in range(1, 16):
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with pkts.save_index():
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pv.verify_attached('ROUTER_%d' % i)
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# Step 4: REED attaches to Router_1 and MUST NOT attempt to become
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# an active router by sending an Address Solicit Request
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pv.verify_attached('REED', 'ROUTER_1')
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pkts.filter_wpan_src64(REED).\
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filter_coap_request(ADDR_SOL_URI).\
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must_not_next()
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# Step 6: MED sends an ICMPv6 Echo Request from MED to REED using ML-EID.
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# The DUT MUST send a properly formatted Address Notification message:
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# CoAP Request URI-PATH
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# CON POST coap://[<Address Query Source>]:MM/a/an
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# CoAP Payload
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# - Target EID TLV
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# - RLOC16 TLV
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# - ML-EID TLV
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# The IPv6 Source address MUST be the RLOC of the originator
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# The IPv6 Destination address MUST be the RLOC of the destination
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# The DUT MUST send an ICMPv6 Echo Reply
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_pkt = pkts.filter_ipv6_src_dst(MED_MLEID, REED_MLEID).\
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filter_ping_request().\
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must_next()
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pkts.filter_ipv6_src_dst(REED_RLOC, LEADER_RLOC).\
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filter_coap_request(ADDR_NTF_URI, port=MM).\
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filter(lambda p: {
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NL_TARGET_EID_TLV,
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NL_RLOC16_TLV,
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NL_ML_EID_TLV
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} == set(p.thread_address.tlv.type)
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).\
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must_next()
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pkts.filter_ipv6_src_dst(REED_MLEID, MED_MLEID).\
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filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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must_next()
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# Step 7: MED sends an ICMPv6 Echo Request from MED to REED using 2001::EID.
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# The DUT MUST send a properly formatted Address Notification message:
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# CoAP Request URI-PATH
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# CON POST coap://[<Address Query Source>]:MM/a/an
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# CoAP Payload
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# - Target EID TLV
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# - RLOC16 TLV
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# - ML-EID TLV
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# The IPv6 Source address MUST be the RLOC of the originator
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# The IPv6 Destination address MUST be the RLOC of the destination
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# The DUT MUST send an ICMPv6 Echo Reply
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_pkt = pkts.filter_ipv6_src_dst(MED2001, REED2001).\
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filter_ping_request().\
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must_next()
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pkts.filter_ipv6_src_dst(REED_RLOC, LEADER_RLOC).\
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filter_coap_request(ADDR_NTF_URI, port=MM).\
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filter(lambda p: {
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NL_TARGET_EID_TLV,
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NL_RLOC16_TLV,
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NL_ML_EID_TLV
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} == set(p.thread_address.tlv.type)
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).\
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must_next()
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pkts.filter_ipv6_src_dst(REED2001, MED2001).\
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filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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must_next()
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# Step 8: MED sends an ICMPv6 Echo Request from MED to REED using 2002::EID.
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# The DUT MUST send a properly formatted Address Notification message:
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# CoAP Request URI-PATH
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# CON POST coap://[<Address Query Source>]:MM/a/an
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# CoAP Payload
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# - Target EID TLV
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# - RLOC16 TLV
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# - ML-EID TLV
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# The IPv6 Source address MUST be the RLOC of the originator
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# The IPv6 Destination address MUST be the RLOC of the destination
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# The DUT MUST send an ICMPv6 Echo Reply
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_pkt = pkts.filter_ipv6_src_dst(MED2002, REED2002).\
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filter_ping_request().\
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must_next()
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pkts.filter_ipv6_src_dst(REED_RLOC, LEADER_RLOC).\
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filter_coap_request(ADDR_NTF_URI, port=MM).\
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filter(lambda p: {
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NL_TARGET_EID_TLV,
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NL_RLOC16_TLV,
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NL_ML_EID_TLV
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} == set(p.thread_address.tlv.type)
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).\
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must_next()
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pkts.filter_ipv6_src_dst(REED2002, MED2002).\
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filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
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must_next()
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if __name__ == '__main__':
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unittest.main()
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