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openthread: Add support for platform message management #18564

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Nov 19, 2024
Merged

openthread: Add support for platform message management #18564

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doc: openthread: add section on message pool configuration
adigie Oct 25, 2024
02d5a68
doc: matter: add note on openthread memory configuration
adigie Oct 25, 2024
9be1b62
manifest: sdk-zephyr: Update revision
adigie Nov 5, 2024
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4 changes: 4 additions & 0 deletions doc/nrf/protocols/matter/getting_started/memory_optimization.rst
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Expand Up @@ -417,6 +417,10 @@ To use a dynamic heap size on your Matter device, set them both to ``n``.
The static heap size means that you can define the maximum heap size for your application by setting the :kconfig:option:`CONFIG_CHIP_MALLOC_SYS_HEAP_SIZE` Kconfig value.
You can also adjust the heap dedicated for MbedTLS purposes by setting the :kconfig:option:`CONFIG_MBEDTLS_HEAP_SIZE` Kconfig option value.

.. note::
The Thread protocol has a separate configuration for memory allocation.
See :ref:`thread_configuring_messagepool` in the Thread documentation for more information.

Memory profiling troubleshooting
================================

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16 changes: 16 additions & 0 deletions doc/nrf/protocols/thread/configuring.rst
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Expand Up @@ -98,6 +98,22 @@ See the following files for more options that you might want to change:
.. note::
You can find the default configuration for all :ref:`openthread_samples` in the :file:`nrf/subsys/net/openthread/Kconfig.defconfig` file.

.. _thread_configuring_messagepool:

Message pool configuration
**************************

OpenThread uses a message pool to manage memory for message buffers.
Memory for the message pool can be statically allocated by the OpenThread stack or managed by the platform.
You can use the :kconfig:option:`CONFIG_OPENTHREAD_PLATFORM_MESSAGE_MANAGEMENT` Kconfig option to enable platform message management.

Message buffer size and number of message buffers in the pool are be configured with the :kconfig:option:`CONFIG_OPENTHREAD_MESSAGE_BUFFER_SIZE` and :kconfig:option:`CONFIG_OPENTHREAD_NUM_MESSAGE_BUFFERS` Kconfig options, respectively.
By default, both options are set to ``128``.

.. note::
When using :ref:`thread_ug_prebuilt`, changing the :kconfig:option:`CONFIG_OPENTHREAD_PLATFORM_MESSAGE_MANAGEMENT` Kconfig option will have no effect.
Additionally, the :kconfig:option:`CONFIG_OPENTHREAD_MESSAGE_BUFFER_SIZE` Kconfig option has to be set to the same value that is used in the pre-built library.

.. _thread_ug_thread_specification_options:

Thread Specification options
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2 changes: 1 addition & 1 deletion west.yml
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Expand Up @@ -69,7 +69,7 @@ manifest:
# https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
- name: zephyr
repo-path: sdk-zephyr
revision: 90eeeeb6b616d628ba84f3df65c2072bff6b7506
revision: 4f3ef0aa00b54dc19da82629c3402b2af149dfb5
import:
# In addition to the zephyr repository itself, NCS also
# imports the contents of zephyr/west.yml at the above
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