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[thread-cert] enhance case 9.2.18 for SED packet order (#5584)

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Copy the pkt to verify Step 13 and Step 14 SED packets since the
packets could be in front of the packet in Step 12.
This commit is contained in:
Jing Ma
2020-09-29 22:36:16 -07:00
committed by GitHub
parent 13d2de89d2
commit aa6abe1535
1 changed files with 5 additions and 2 deletions
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tests/scripts/thread-cert/Cert_9_2_18_RollBackActiveTimestamp.py
+5 -2
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@@ -217,6 +217,9 @@ class Cert_9_2_18_RollBackActiveTimestamp(thread_cert.TestCase):
NM_NETWORK_NAME_TLV, NM_NETWORK_MASTER_KEY_TLV
} <= set(p.thread_meshcop.tlv.type) and p.thread_nwd.tlv.stable == [0])
# Copy a pv.pkts here to filter SED related packets for potential sequence packets disorder
_pkts_sed = pkts.copy()
# Step 11: Router MUST multicast a MLE Data Response with the new information
pkts.filter_wpan_src64(ROUTER_1).filter_ipv6_dst(LINK_LOCAL_ALL_NODES_MULTICAST_ADDRESS).filter_mle_cmd(
MLE_DATA_RESPONSE).must_next().must_verify(
@@ -234,11 +237,11 @@ class Cert_9_2_18_RollBackActiveTimestamp(thread_cert.TestCase):
} == set(p.mle.tlv.type) and p.mle.tlv.leader_data.data_version == _pkt.mle.tlv.leader_data.data_version)
# Step 13: SED MUST send a unicast MLE Data Request to Router_1
pkts.filter_wpan_src64(SED).filter_wpan_dst64(ROUTER_1).filter_mle_cmd(MLE_DATA_REQUEST).must_next(
_pkts_sed.filter_wpan_src64(SED).filter_wpan_dst64(ROUTER_1).filter_mle_cmd(MLE_DATA_REQUEST).must_next(
).must_verify(lambda p: {TLV_REQUEST_TLV, NETWORK_DATA_TLV, ACTIVE_TIMESTAMP_TLV} <= set(p.mle.tlv.type))
# Step 14: Router MUST send a unicast MLE Data Response to SED_1
pkts.filter_wpan_src64(ROUTER_1).filter_wpan_dst64(SED).filter_mle_cmd(
_pkts_sed.filter_wpan_src64(ROUTER_1).filter_wpan_dst64(SED).filter_mle_cmd(
MLE_DATA_RESPONSE).must_next().must_verify(
lambda p: {
SOURCE_ADDRESS_TLV, NETWORK_DATA_TLV, ACTIVE_TIMESTAMP_TLV, PENDING_TIMESTAMP_TLV,