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modules: openthread: configure router selection jitter #3201

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Merged
merged 2 commits into from
Aug 18, 2025
Merged

modules: openthread: configure router selection jitter #3201

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ea4ca34
[nrf fromtree] net: openthread: Add option to set RCP restoration count.
bas-archembedded Jul 31, 2025
91502a4
[nrf fromlist] modules: openthread: configure router selection jitter
Damian-Nordic Aug 14, 2025
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5 changes: 5 additions & 0 deletions modules/openthread/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ macro(kconfig_to_ot_option kconfig_option ot_config description)
endif()
endmacro()

macro(kconfig_to_ot_option_value kconfig_option ot_config description)
set(${ot_config} ${${kconfig_option}} CACHE STRING "${description}" FORCE)
endmacro()

# OpenThread options
set(OT_BUILD_EXECUTABLES OFF CACHE BOOL "Disable OpenThread samples")
set(OT_BUILTIN_MBEDTLS_MANAGEMENT OFF CACHE BOOL "Use Zephyr's mbedTLS heap")
Expand Down Expand Up @@ -130,6 +134,7 @@ kconfig_to_ot_option(CONFIG_OPENTHREAD_UPTIME OT_UPTIME "Enable support for trac
kconfig_to_ot_option(CONFIG_OPENTHREAD_VERHOEFF_CHECKSUM OT_VERHOEFF_CHECKSUM "Verhoeff checksum")
kconfig_to_ot_option(CONFIG_OPENTHREAD_WAKEUP_COORDINATOR OT_WAKEUP_COORDINATOR "Enable Wake-up Coordinator role")
kconfig_to_ot_option(CONFIG_OPENTHREAD_WAKEUP_END_DEVICE OT_WAKEUP_END_DEVICE "Enable Wake-up End Device role")
kconfig_to_ot_option_value(CONFIG_OPENTHREAD_RCP_RESTORATION_MAX_COUNT OT_RCP_RESTORATION_MAX_COUNT "Set the maximum number of RCP restoration attempts")

if(CONFIG_OPENTHREAD_COPROCESSOR_VENDOR_HOOK_SOURCE)
set(OT_NCP_VENDOR_HOOK_SOURCE ${CONFIG_OPENTHREAD_COPROCESSOR_VENDOR_HOOK_SOURCE} CACHE STRING "NCP vendor hook source file name" FORCE)
Expand Down
15 changes: 15 additions & 0 deletions modules/openthread/Kconfig.thread
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Expand Up @@ -250,3 +250,18 @@ config OPENTHREAD_MLE_CHILD_TIMEOUT
default 240
help
The value of MLE child timeout in seconds.

config OPENTHREAD_RCP_RESTORATION_MAX_COUNT
int "Openthread RCP restoration maximum count"
default 2
help
The maximum number of attempts to restore the RCP connection.

config OPENTHREAD_ROUTER_SELECTION_JITTER_OVERRIDE
bool "Override default router selection jitter"
depends on OPENTHREAD_FTD

config OPENTHREAD_ROUTER_SELECTION_JITTER
int "OpenThread router selection jitter in seconds"
depends on OPENTHREAD_ROUTER_SELECTION_JITTER_OVERRIDE
default 120
11 changes: 11 additions & 0 deletions modules/openthread/openthread.c
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Expand Up @@ -33,6 +33,7 @@ LOG_MODULE_REGISTER(net_openthread_platform, CONFIG_OPENTHREAD_PLATFORM_LOG_LEVE
#include <openthread/platform/diag.h>
#include <openthread/tasklet.h>
#include <openthread/thread.h>
#include <openthread/thread_ftd.h>
#include <openthread/dataset.h>
#include <openthread/joiner.h>
#include <openthread-system.h>
Expand Down Expand Up @@ -98,6 +99,12 @@ LOG_MODULE_REGISTER(net_openthread_platform, CONFIG_OPENTHREAD_PLATFORM_LOG_LEVE
#define OT_POLL_PERIOD 0
#endif

#if defined(CONFIG_OPENTHREAD_ROUTER_SELECTION_JITTER)
#define OT_ROUTER_SELECTION_JITTER CONFIG_OPENTHREAD_ROUTER_SELECTION_JITTER
#else
#define OT_ROUTER_SELECTION_JITTER 0
#endif

#define ZEPHYR_PACKAGE_NAME "Zephyr"
#define PACKAGE_VERSION KERNEL_VERSION_STRING

Expand Down Expand Up @@ -340,6 +347,10 @@ int openthread_init(void)
}
}

if (IS_ENABLED(CONFIG_OPENTHREAD_ROUTER_SELECTION_JITTER_OVERRIDE)) {
otThreadSetRouterSelectionJitter(openthread_instance, OT_ROUTER_SELECTION_JITTER);
}

openthread_mutex_unlock();

/* Start work queue for the OpenThread module */
Expand Down