zephyr/subsys/mgmt/mcumgr/transport/Kconfig

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# Copyright Runtime.io 2018. All rights reserved.
# Copyright Nordic Semiconductor ASA 2020-2022. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
# The Kconfig file is dedicated to transport subdirectory of MCUmgr
# subsystem and provides Kconfig options to control aspects of
# transport, in general, that are not otherwise controlled by
# options belonging to transport specifically.
#
# Options defined in this file should be prefixed:
# MCUMGR_TRANSPORT_ -- general transport options;
# MCUMGR_TRANSPORT_WORKQUEUE -- for workqueue configuration;
# MCUMGR_TRANSPORT_NETBUF -- for Net Buf related configuration.
config MCUMGR_TRANSPORT_WORKQUEUE_STACK_SIZE
int "MCUmgr transport workqueue stack size"
default 2048
help
Stack size of the MCUmgr for transport subsystem work queue.
config MCUMGR_TRANSPORT_WORKQUEUE_THREAD_PRIO
int "MCUmgr transport workqueue thread priority"
default 3
help
Scheduling priority of the MCUmgr transport subsystem work queue.
config MCUMGR_TRANSPORT_REASSEMBLY
bool
help
Enable structures and functions needed for packet reassembly by SMP backend.
config MCUMGR_TRANSPORT_NETBUF_COUNT
int "Number of mcumgr buffers"
default 2 if MCUMGR_TRANSPORT_UDP
default 4
help
The number of net_bufs to allocate for mcumgr. These buffers are
used for both requests and responses.
config MCUMGR_TRANSPORT_NETBUF_SIZE
int "Size of each mcumgr buffer"
default 2048 if MCUMGR_TRANSPORT_UDP
default 384
help
The size, in bytes, of each mcumgr buffer. This value must satisfy
the following relation:
MCUMGR_TRANSPORT_NETBUF_SIZE >= transport-specific-MTU + transport-overhead
In case when MCUMGR_TRANSPORT_SHELL is enabled this value should be set to
at least MCUMGR_GRP_SHELL_BACKEND_DUMMY_BUF_SIZE + 32.
config MCUMGR_TRANSPORT_NETBUF_MIN_USER_DATA_SIZE
int
default 24 if MCUMGR_TRANSPORT_UDP && NET_IPV6
default 8 if MCUMGR_TRANSPORT_UDP && MCUMGR_TRANSPORT_UDP_IPV4
default 8 if MCUMGR_TRANSPORT_BT
default 4
help
Hidden option to determine minimum user data size.
config MCUMGR_TRANSPORT_NETBUF_USER_DATA_SIZE
int "Size of mcumgr buffer user data"
range MCUMGR_TRANSPORT_NETBUF_MIN_USER_DATA_SIZE 128
default MCUMGR_TRANSPORT_NETBUF_MIN_USER_DATA_SIZE
help
The size, in bytes, of user data to allocate for each mcumgr buffer.
Different mcumgr transports impose different requirements for this
setting. A value of 4 is sufficient for UART and shell, a value of 8
is sufficient for Bluetooth. For UDP, the userdata must be large
enough to hold IPv4/IPv6 addresses.
module = MCUMGR_TRANSPORT
module-str = mcumgr_transport
source "subsys/logging/Kconfig.template.log_config"
rsource "Kconfig.dummy"
rsource "Kconfig.bluetooth"
rsource "Kconfig.shell"
rsource "Kconfig.uart"
rsource "Kconfig.udp"