ncs-zigbee/subsys/lib/zigbee_bt_dfu/Kconfig at cf2f23f9f68aab6411efa939c255541913cd02aa · nrfconnect/ncs-zigbee · GitHub

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#
# Copyright (c) 2026 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#

config ZIGBEE_BT_DFU
	bool "Enable DFU over Bluetooth LE SMP feature set"
	depends on !CHIP
	imply BOOTLOADER_MCUBOOT
	select BT
	select BT_PERIPHERAL
	select MCUMGR
	select MCUMGR_TRANSPORT_BT
	select IMG_MANAGER
	select STREAM_FLASH
	select ZCBOR
	select MCUMGR_GRP_IMG
	select MCUMGR_GRP_OS
	select MCUMGR_GRP_IMG_STATUS_HOOKS
	# Enable custom SMP request to erase settings partition.
	select MCUMGR_GRP_ZBASIC
	select MCUMGR_GRP_ZBASIC_STORAGE_ERASE
	select MCUMGR_TRANSPORT_BT_REASSEMBLY
	help
	  Enables Device Firmware Upgrade over Bluetooth LE with SMP and configures
	  the set of options related to that feature.

	  Cannot be combined with Matter (CONFIG_CHIP), as it requires different Bluetooth LE orchestration.
	  Use Matter's CONFIG_CHIP_DFU_OVER_BT_SMP instead.

if ZIGBEE_BT_DFU

config BT_MAX_CONN
	default 1

# MCU Manager and SMP configuration
choice MCUMGR_TRANSPORT_BT_PERM
	default MCUMGR_TRANSPORT_BT_PERM_RW
endchoice

config MCUMGR_TRANSPORT_NETBUF_COUNT
	default 6

config MCUMGR_MGMT_NOTIFICATION_HOOKS
	bool
	default y

config MCUMGR_GRP_IMG_UPLOAD_CHECK_HOOK
	bool
	default y

config MCUMGR_SMP_COMMAND_STATUS_HOOKS
	bool
	default y

# Increase BT MTU and RX buffer sizes to improve DFU throughput on non-RAM-constrained devices
config BT_L2CAP_TX_MTU
	default 498 if !SOC_NRF54L10

config BT_BUF_ACL_RX_SIZE
	default 502 if !SOC_NRF54L10

# Increase MCUMGR_TRANSPORT_NETBUF_SIZE, as it must be big enough to fit MAX MTU + overhead and for single-image DFU default is 384 B
config MCUMGR_TRANSPORT_NETBUF_SIZE
	default 1024

# Increase system workqueue size, as SMP is processed within it
config SYSTEM_WORKQUEUE_STACK_SIZE
	default 2800

if SOC_SERIES_NRF53

# Enable custom SMP request to erase settings partition.
config MCUMGR_GRP_ZBASIC
	default y

config MCUMGR_GRP_ZBASIC_STORAGE_ERASE
	default y

endif # SOC_SERIES_NRF53

module = ZIGBEE_BT_DFU
module-str = Zigbee Bluetooth LE DFU
source "${ZEPHYR_BASE}/subsys/logging/Kconfig.template.log_config"

endif # ZIGBEE_BT_DFU