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Abtin Keshavarzian ef8deb506f [mle] delay router role downgrade on security policy change (#9187 )

This commit adds a mechanism to delay the downgrade of routers or
leader when the security policy TLV changes in the Active Operational
Dataset such that the device is no longer eligible to act as a
router.

If the decision to become a child is made due to a security policy
change, the device first delays a random period up to the "router
selection jitter" before downgrading. If the device is the leader, an
additional fixed delay of 10 seconds is added to the random period.

If the security policy changes again while the device is waiting to
downgrade such that it becomes router-eligible again, the downgrade
is cancelled and the device remains in its current role.

This commit adds a `test_router_downgrade_on_sec_policy_change` to
validate the behavior of newly added mechanism.

This commit also updates the CLI `dataset` sub-commands to allow
getting and setting the "version threshold for routing" (VR) field in
security policy.

2023-06-30 15:09:50 -07:00

otci

[mle] delay router role downgrade on security policy change (#9187 )

2023-06-30 15:09:50 -07:00

tests

[otci] properly configure operational dataset (#9190 )

2023-06-21 10:44:42 -07:00

LICENSE

[otci] add OpenThread Controller Interface library (#5779 )

2020-12-30 11:29:27 -08:00

README.md

[network-key] change name from master to network (#6721 )

2021-06-16 23:07:23 -07:00

setup.py

[otci] support ADB connection for OTCI (#8088 )

2022-08-25 23:19:28 -07:00

README.md

OpenThread Control Interface

The OpenThread Control Interface (OTCI) is a library which provides uniform python interfaces to connect and control various kinds of devices running OpenThread.

Supported device types

OpenThread CLI
- SOC device via Serial
OpenThread NCP (limited support via pyspinel)
- SOC device via Serial
OpenThread Border Router
- OTBR device via SSH

Example

import otci

# Connect to an OTBR device via SSH
node1 = otci.connect_otbr_ssh("192.168.1.101")

# Connect to an OpenThread CLI device via Serial
node2 = otci.connect_cli_serial("/dev/ttyACM0"))

# Start node1 to become Leader
node1.dataset_init_buffer()
node1.dataset_set_buffer(network_name='test', network_key='00112233445566778899aabbccddeeff', panid=0xface, channel=11)
node1.dataset_commit_buffer('active')

node1.ifconfig_up()
node1.thread_start()
node1.wait(5)
assert node1.get_state() == "leader"

# Start Commissioner on node1
node1.commissioner_start()
node1.wait(3)

node1.commissioner_add_joiner("TEST123",eui64='*')

# Start node2
node2.ifconfig_up()
node2.set_router_selection_jitter(1)

# Start Joiner on node2 to join the network
node2.joiner_start("TEST123")
node2.wait(10, expect_line="Join success")

# Wait for node 2 to become Router
node2.thread_start()
node2.wait(5)
assert node2.get_state() == "router"