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tests: Bluetooth: BR: Add test suite of SC Only Mode for SMP
IUT works as an SM Initiator/Responder. The peer device, SM Responder/Initiator, is a PC running bumble on it. Add shell commands to create and manage L2CAP server and channel with different security level. In the test suite, there are 10 test cases. IUT is configured with Secure Connections Only Mode. The peer device is configured with Secure Connections Mode or Legacy Mode. The test matrix is: | Case ID | Secure Connection Option | Security Level | Expected Result | |---------|--------------------------|----------------|-----------------| | BR_SM_SC_INIT_005 | SC Only with SC | Level 4 | Pass | | BR_SM_SC_INIT_006 | SC Only with SC | Level 1 | Fail | | BR_SM_SC_INIT_007 | SC Only with SC | Level 2 | Fail | | BR_SM_SC_INIT_008 | SC Only with SC | Level 3 | Fail | | BR_SM_SC_INIT_009 | SC Only with Legacy | Level 3 | Fail | | BR_SM_SC_RSP_005 | SC Only with SC | Level 1 | Fail | | BR_SM_SC_RSP_006 | SC Only with SC | Level 2 | Fail | | BR_SM_SC_RSP_007 | SC Only with SC | Level 3 | Fail | | BR_SM_SC_RSP_008 | SC Only with SC | Level 4 | Pass | | BR_SM_SC_RSP_009 | SC Only with Legacy | Level 3 | Fail | Signed-off-by: Can Wang <can.wang@nxp.com>
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‎tests/bluetooth/classic/smp_sc_only/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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set(NO_QEMU_SERIAL_BT_SERVER 1)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(bluetooth)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/bluetooth/classic/smp_sc_only/README.rst

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.. _bluetooth_classic_smp_sc_only_tests:
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Bluetooth Classic SMP Secure Connections Only Mode Tests
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##################################
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Overview
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********
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This test suite uses ``bumble`` for testing Bluetooth Classic communication between a host
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PC (running :ref:`Twister <twister_script>`) and a device under test (DUT) running Zephyr.
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Prerequisites
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*************
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The test suite has the following prerequisites:
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* The ``bumble`` library installed on the host PC.
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The Bluetooth Classic controller on PC side is required. Refer to getting started of `bumble`_
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for details.
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The HCI transport for ``bumble`` can be configured as follows:
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* A specific configuration context can be provided along with the ``usb_hci`` fixture separated by
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a ``:`` (i.e. specify fixture ``usb_hci:usb:0`` to use the ``usb:0`` as hci transport for
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``bumble``).
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* The configuration context can be overridden using the `hci transport`_ can be provided using the
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``--hci-transport`` test suite argument (i.e. run ``twister`` with the
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``--pytest-args=--hci-transport=usb:0`` argument to use the ``usb:0`` as hci transport for
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``bumble``).
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Building and Running
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********************
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Running on mimxrt1170_evk@B/mimxrt1176/cm7
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==========================================
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Running the test suite on :ref:`mimxrt1170_evk` relies on configuration of ``bumble``.
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On the host PC, a HCI transport needs to be required. Refer to `bumble platforms`_ page of
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``bumble`` for details.
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For example, on windows, a PTS dongle is used. After `WinUSB driver`_ has been installed,
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the HCI transport would be USB transport interface ``usb:<index>``.
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If the HCI transport is ``usb:0`` and debug console port is ``COM4``, the test suite can be
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launched using Twister:
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.. code-block:: shell
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west twister -v -p mimxrt1170_evk@B/mimxrt1176/cm7 --device-testing --device-serial COM4 -T tests/bluetooth/classic/smp_sc_only -O smp_sc_only --force-platform --west-flash --west-runner=jlink -X usb_hci:usb:0
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Running on Hardware
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===================
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Running the test suite on hardware requires a HCI transport connected to the host PC.
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The test suite can be launched using Twister. Below is an example for running on the
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:zephyr:board:`mimxrt1170_evk@B/mimxrt1176/cm7`:
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.. code-block:: shell
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west twister -v -p mimxrt1170_evk@B/mimxrt1176/cm7 --device-testing --device-serial COM4 -T tests/bluetooth/classic/smp_sc_only -O smp_sc_only --force-platform --west-flash --west-runner=jlink -X usb_hci:usb:0
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.. _bumble:
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https://google.github.io/bumble/getting_started.html
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.. _hci transport:
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https://google.github.io/bumble/transports/index.html
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.. _bumble platforms:
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https://google.github.io/bumble/platforms/index.html
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.. _WinUSB driver:
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https://google.github.io/bumble/platforms/windows.html

‎tests/bluetooth/classic/smp_sc_only/boards/mimxrt1170_evk_mimxrt1176_cm7_B.conf

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#select NXP NW612 Chipset
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CONFIG_BT_NXP_NW612=y
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CONFIG_BT_SETTINGS=n
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CONFIG_FLASH=n
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CONFIG_FLASH_MAP=n
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CONFIG_NVS=n
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CONFIG_SETTINGS=n
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CONFIG_ENTROPY_GENERATOR=y

‎tests/bluetooth/classic/smp_sc_only/boards/mimxrt1170_evk_mimxrt1176_cm7_B.overlay

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/*
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* Copyright 2024 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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chosen {
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zephyr,sram = &dtcm;
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};
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};

‎tests/bluetooth/classic/smp_sc_only/prj.conf

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CONFIG_BT=y
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CONFIG_BT_CLASSIC=y
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CONFIG_BT_SMP=y
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CONFIG_BT_SHELL=y
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CONFIG_LOG=y
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CONFIG_ZTEST=y
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CONFIG_BT_SMP_SC_ONLY=y
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CONFIG_BT_DEVICE_NAME="smp_sc_only"
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CONFIG_BT_CREATE_CONN_TIMEOUT=30
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CONFIG_BT_PAGE_TIMEOUT=0xFFFF

‎tests/bluetooth/classic/smp_sc_only/pytest/conftest.py

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# Copyright 2024 NXP
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#
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# SPDX-License-Identifier: Apache-2.0
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import logging
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import re
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import pytest
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from twister_harness import DeviceAdapter, Shell
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logger = logging.getLogger(__name__)
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def pytest_addoption(parser) -> None:
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"""Add local parser options to pytest."""
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parser.addoption('--hci-transport', default=None, help='Configuration HCI transport for bumble')
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@pytest.fixture(name='initialize', scope='session')
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def fixture_initialize(request, shell: Shell, dut: DeviceAdapter):
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"""Session initializtion"""
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# Get HCI transport for bumble
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hci = request.config.getoption('--hci-transport')
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if hci is None:
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for fixture in dut.device_config.fixtures:
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if fixture.startswith('usb_hci:'):
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hci = fixture.split(sep=':', maxsplit=1)[1]
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break
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assert hci is not None
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shell.exec_command("bt init")
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lines = dut.readlines_until("Bluetooth initialized")
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regex = r'Identity: *(?P<bd_addr>([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2}) *\((.*?)\))'
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bd_addr = None
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for line in lines:
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logger.info(f"Shell log {line}")
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m = re.search(regex, line)
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if m:
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bd_addr = m.group('bd_addr')
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if bd_addr is None:
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logger.error('Fail to get IUT BD address')
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raise AssertionError
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shell.exec_command("br pscan on")
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shell.exec_command("br iscan on")
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logger.info('initialized')
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return hci, bd_addr
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@pytest.fixture
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def smp_initiator_dut(initialize):
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logger.info('Start running testcase')
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yield initialize
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logger.info('Done')

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