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# Kconfig - Bluetooth Mesh configuration options
#
# Copyright (c) 2017 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0
#
menuconfig BT_MESH
bool "Smart Mesh support"
select TINYCRYPT
select TINYCRYPT_AES
select TINYCRYPT_AES_CMAC
help
This option enables Smart Mesh support. The specific features
that will be available is dependent on other features that have
been enabled in the stack, such as GATT support.
if BT_MESH
# Virtual option enabled whenever Generic Provisioning layer is needed
config BT_MESH_PROV
bool
config BT_MESH_PB_ADV
bool "Provisioning support using the advertising bearer (PB-ADV)"
select BT_MESH_PROV
default y
help
Enable this option to allow the device to be provisioned over
the advertising bearer.
if BT_CONN
# Virtual option enabled whenever any Proxy protocol is needed
config BT_MESH_PROXY
bool
config BT_MESH_PB_GATT
bool "Provisioning support using GATT (PB-GATT)"
select BT_MESH_PROXY
select BT_MESH_PROV
help
Enable this option to allow the device to be provisioned over
GATT.
config BT_MESH_GATT_PROXY
bool "GATT Proxy Service"
select BT_MESH_PROXY
help
This option enables support for the Mesh GATT Proxy Service,
i.e. the ability to act as a proxy between a Mesh GATT Client
and a Mesh network.
if BT_MESH_PROXY
config BT_MESH_PROXY_FILTER_SIZE
int "Maximum number of filter entries per Proxy Client"
default 1
default 3 if BT_MESH_GATT_PROXY
range 1 32767
help
This option specifies how many Proxy Filter entries the local
node supports.
endif # BT_MESH_PROXY
endif # BT_CONN
config BT_MESH_SELF_TEST
bool "Perform self-tests"
help
This option adds extra self-tests which are run every time
mesh networking is initialized.
config BT_MESH_IV_UPDATE_TEST
bool "Test the IV Update Procedure"
help
This option removes the 96 hour limit of the IV Update
Procedure and lets the state be changed at any time.
config BT_MESH_SUBNET_COUNT
int "Maximum number of mesh subnets per network"
default 1
range 1 4096
help
This option specifies how many subnets a Mesh network can
participate in at the same time.
config BT_MESH_APP_KEY_COUNT
int "Maximum number of application keys per network"
default 1
range 1 4096
help
This option specifies how many application keys the device can
store per network.
config BT_MESH_MODEL_KEY_COUNT
int "Maximum number of application keys per model"
default 1
range 1 4096
help
This option specifies how many application keys each model can
at most be bound to.
config BT_MESH_MODEL_GROUP_COUNT
int "Maximum number of group address subscriptions per model"
default 1
range 1 4096
help
This option specifies how many group addresses each model can
at most be subscribed to.
config BT_MESH_LABEL_COUNT
int "Maximum number of Label UUIDs used for Virtual Addresses"
default 1
range 0 4096
help
This option specifies how many Label UUIDs can be stored.
config BT_MESH_CRPL
int "Maximum capacity of the replay protection list"
default 10
range 2 65535
help
This options specifies the maximum capacity of the replay
protection list. This option is similar to the network message
cache size, but has a different purpose.
config BT_MESH_MSG_CACHE_SIZE
int "Network message cache size"
default 10
range 2 65535
help
Number of messages that are cached for the network. This helps
prevent unnecessary decryption operations and unnecessary
relays. This option is similar to the replay protection list,
but has a different purpose.
config BT_MESH_ADV_BUF_COUNT
int "Number of advertising buffers"
default 6
range 6 256
help
Number of advertising buffers available. The transport layer
reserves ADV_BUF_COUNT - 3 buffers for outgoing segments. The
maximum outgoing SDU size is 12 times this number (out of which
4 or 8 bytes is used for the Transport Layer MIC). For
example, 5 segments means the maximum SDU size is 60 bytes,
which leaves 56 bytes for application layer data using a
4-byte MIC and 52 bytes using an 8-byte MIC.
config BT_MESH_TX_SEG_MSG_COUNT
int "Maximum number of simultaneous outgoing segmented messages"
default 1
range 1 BT_MESH_ADV_BUF_COUNT
help
Maximum number of simultaneous outgoing multi-segment and/or
reliable messages.
config BT_MESH_RX_SEG_MSG_COUNT
int "Maximum number of simultaneous incoming segmented messages"
default 1
range 1 255
help
Maximum number of simultaneous incoming multi-segment and/or
reliable messages.
config BT_MESH_RX_SDU_MAX
int "Maximum incoming Upper Transport Access PDU length"
default 384
range 36 384
help
Maximum incoming Upper Transport Access PDU length. Leave this
to the default value, unless you really need to optimize memory
usage.
config BT_MESH_RELAY
bool "Relay support"
help
Support for acting as a Mesh Relay Node.
config BT_MESH_LOW_POWER
bool "Support for Low Power features"
help
Enable this option to be able to act as a Low Power Node.
if BT_MESH_LOW_POWER
config BT_MESH_LPN_RSSI_FACTOR
int "RSSIFactor, used in the Friend Offer Delay calculation"
range 0 3
default 0
help
The contribution of the RSSI measured by the Friend node used
in Friend Offer Delay calculations. 0 = 1, 1 = 1.5, 2 = 2, 3 = 2.5.
config BT_MESH_LPN_RECV_WIN_FACTOR
int "ReceiveWindowFactor, used in the Friend Offer Delay calculation"
range 0 3
default 0
help
The contribution of the supported Receive Window used in
Friend Offer Delay calculations. 0 = 1, 1 = 1.5, 2 = 2, 3 = 2.5.
config BT_MESH_LPN_MIN_QUEUE_SIZE
int "Minimum size of acceptable friend queue (MinQueueSizeLog)"
range 1 7
default 1
help
The MinQueueSizeLog field is defined as log_2(N), where N is
the minimum number of maximum size Lower Transport PDUs that
the Friend node can store in its Friend Queue. As an example,
MinQueueSizeLog value 1 gives N = 2, and value 7 gives N = 128.
config BT_MESH_LPN_RECV_DELAY
int "Receive delay requested by the local node"
range 10 255
default 20
help
The ReceiveDelay is the time between the Low Power node
sending a request and listening for a response. This delay
allows the Friend node time to prepare the response. The value
is in units of milliseconds.
config BT_MESH_LPN_POLL_TIMEOUT
int "The initial value of the PollTimeout timer"
range 10 244735
default 100
help
PollTimeout timer is used to measure time between two
consecutive requests sent by the Low Power node. If no
requests are received by the Friend node before the
PollTimeout timer expires, then the friendship is considered
terminated. The value is in units of 100 milliseconds.
config BT_MESH_LPN_SCAN_LATENCY
int "Latency for enabling scanning"
range 0 50
default 10
help
Latency in milliseconds that it takes to enable scanning. This
is in practice how much time in advance before the Receive Window
that scanning is requested to be enabled.
config BT_MESH_LPN_GROUPS
int "Number of groups the LPN can subscribe to"
range 0 16384
default 8
help
Maximum number of groups that the LPN can subscribe to.
endif # BT_MESH_LOW_POWER
config BT_MESH_FRIEND
bool "Support for acting as a Friend Node"
help
Enable this option to be able to act as a Friend Node.
if BT_MESH_FRIEND
config BT_MESH_FRIEND_RECV_WIN
int "Friend Receive Window"
range 1 255
default 255
help
Receive Window in milliseconds supported by the Friend node.
config BT_MESH_FRIEND_QUEUE_SIZE
int "Friend Queue Size"
range 1 BT_MESH_ADV_BUF_COUNT
default 16
help
Queue Size available on the Friend node.
config BT_MESH_FRIEND_SUB_LIST_SIZE
int "Friend Subscription List Size"
range 1 255
default 16
help
Size of the Subscription List that can be supported by a
Friend node for a Low Power node.
config BT_MESH_FRIEND_LPN_COUNT
int "Number of supported LPN nodes"
range 1 1000
default 1
help
Number of Low Power Nodes the Friend can have a Friendship
with simultaneously.
endif # BT_MESH_FRIEND
config BT_MESH_DEBUG
bool "Enable debug logs"
depends on BT_DEBUG
help
Use this option to enable debug logs for the Bluetooth
Mesh functionality.
if BT_MESH_DEBUG
config BT_MESH_DEBUG_NET
bool "Network layer debug"
help
Use this option to enable Network layer debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_TRANS
bool "Transport layer debug"
help
Use this option to enable Transport layer debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_BEACON
bool "Beacon debug"
help
Use this option to enable Beacon-related debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_CRYPTO
bool "Crypto debug"
help
Use this option to enable cryptographic debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_PROV
bool "Provisioning debug"
help
Use this option to enable Provisioning debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_ACCESS
bool "Access layer debug"
help
Use this option to enable Access layer and device composition
related debug logs for Bluetooth Mesh.
config BT_MESH_DEBUG_MODEL
bool "Foundation model debug"
help
Use this option to enable debug logs for the Foundation
Models.
config BT_MESH_DEBUG_ADV
bool "Advertising debug"
help
Use this option to enable advertising debug logs for
the Bluetooth Mesh functionality.
config BT_MESH_DEBUG_LOW_POWER
bool "Low Power debug"
help
Use this option to enable Low Power debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_FRIEND
bool "Friend debug"
help
Use this option to enable Friend debug logs for the
Bluetooth Mesh functionality.
config BT_MESH_DEBUG_PROXY
bool "Proxy debug"
depends on BT_MESH_PROXY
help
Use this option to enable Proxy protocol debug logs.
endif # BT_MESH_DEBUG
endif # BT_MESH