| # Bluetooth configuration options |
| |
| # Copyright (c) 2016 Intel Corporation |
| # Copyright (c) 2021 Nordic Semiconductor ASA |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig BT |
| bool "Bluetooth" |
| # Some BT threads use co-op priorities to implement critical sections, |
| # will need some refactoring to work on SMP systems. |
| depends on !SMP |
| select NET_BUF |
| help |
| This option enables Bluetooth support. |
| |
| if BT |
| |
| choice BT_STACK_SELECTION |
| prompt "Bluetooth Stack Selection" |
| default BT_HCI |
| help |
| Select the Bluetooth stack to compile. |
| |
| config BT_HCI |
| bool "HCI-based" |
| help |
| HCI-based stack with optional host & controller parts and an |
| HCI driver in between. |
| |
| config BT_CUSTOM |
| bool "Custom" |
| help |
| Select a custom, non-HCI based stack. If you're not sure what |
| this is, you probably want the HCI-based stack instead. |
| |
| endchoice |
| |
| # The Bluetooth subsystem requires the system workqueue to execute at |
| # a cooperative priority. |
| config SYSTEM_WORKQUEUE_PRIORITY |
| range -256 -1 |
| |
| if BT_HCI |
| |
| config BT_HCI_RAW |
| bool "RAW HCI access" |
| help |
| This option allows to access Bluetooth controller |
| from the application with the RAW HCI protocol. |
| |
| config BT_HCI_RAW_H4 |
| bool "RAW HCI H:4 transport" |
| help |
| This option enables HCI RAW access to work over an H:4 |
| transport, note that it still need to be selected at runtime. |
| |
| config BT_HCI_RAW_H4_ENABLE |
| bool "RAW HCI H:4 transport enable" |
| depends on BT_HCI_RAW_H4 |
| help |
| This option enables use of H:4 transport for HCI RAW access at |
| build time. |
| |
| config BT_HCI_RAW_CMD_EXT |
| bool "RAW HCI Command Extension" |
| help |
| This option enables HCI RAW command extension so the driver can |
| register it own command table extension. |
| |
| config BT_PERIPHERAL |
| bool "Peripheral Role support" |
| select BT_BROADCASTER |
| select BT_CONN |
| default y if BT_HCI_RAW |
| help |
| Select this for LE Peripheral role support. |
| |
| config BT_CENTRAL |
| bool "Central Role support" |
| select BT_OBSERVER |
| select BT_CONN |
| default y if BT_HCI_RAW |
| help |
| Select this for LE Central role support. |
| |
| config BT_BROADCASTER |
| bool "Broadcaster Role support" |
| default y if !BT_OBSERVER |
| help |
| Select this for LE Broadcaster role support. |
| |
| config BT_OBSERVER |
| bool "Observer Role support" |
| help |
| Select this for LE Observer role support. |
| |
| rsource "Kconfig.adv" |
| |
| config BT_CONN |
| bool |
| |
| config BT_MAX_CONN |
| int "Maximum number of simultaneous connections" |
| depends on BT_CONN |
| range 1 250 |
| default 2 if BT_MESH_GATT_CLIENT |
| default 1 |
| help |
| Maximum number of simultaneous Bluetooth connections |
| supported. |
| |
| config BT_CONN_TX |
| bool |
| default BT_CONN || BT_ISO_TX |
| help |
| Hidden configuration that is true if ACL or broadcast ISO is enabled |
| |
| if BT_CONN |
| config BT_HCI_ACL_FLOW_CONTROL |
| bool "Controller to Host ACL flow control support" |
| # Enable if building a Host-only build |
| default y if !HAS_BT_CTLR && !BT_STM32_IPM && !BT_ESP32 && !BT_STM32WBA |
| # Enable if building a Controller-only build |
| default y if BT_HCI_RAW |
| select POLL |
| help |
| Enable support for throttling ACL buffers from the controller |
| to the host. This is particularly useful when the host and |
| controller are on separate cores since it ensures that we do |
| not run out of incoming ACL buffers. |
| |
| config BT_REMOTE_VERSION |
| bool "Allow fetching of remote version" |
| # Enable if building a Controller-only build |
| default y if BT_HCI_RAW |
| help |
| Enable this to get access to the remote version in the Controller and |
| in the Host through bt_conn_get_remote_info(). The fields in question |
| can then be found in the bt_conn_remote_info struct. |
| |
| config BT_PHY_UPDATE |
| bool "PHY Update" |
| default y |
| depends on !HAS_BT_CTLR || BT_CTLR_PHY_UPDATE_SUPPORT |
| help |
| Enable support for Bluetooth 5.0 PHY Update Procedure. |
| |
| config BT_DATA_LEN_UPDATE |
| bool "Data Length Update" |
| default y if ((BT_BUF_ACL_TX_SIZE > 27) || (BT_BUF_ACL_RX_SIZE > 27)) |
| depends on !HAS_BT_CTLR || BT_CTLR_DATA_LEN_UPDATE_SUPPORT |
| help |
| Enable support for Bluetooth v4.2 LE Data Length Update procedure. |
| |
| config BT_PER_ADV_SYNC_TRANSFER_RECEIVER |
| bool "Periodic Advertising Sync Transfer receiver" |
| depends on BT_PER_ADV_SYNC && BT_CONN && (!HAS_BT_CTLR || BT_CTLR_SYNC_TRANSFER_RECEIVER_SUPPORT) |
| |
| config BT_PER_ADV_SYNC_TRANSFER_SENDER |
| bool "Periodic Advertising Sync Transfer sender" |
| depends on (BT_PER_ADV_SYNC || BT_PER_ADV) && BT_CONN && (!HAS_BT_CTLR || BT_CTLR_SYNC_TRANSFER_SENDER_SUPPORT) |
| |
| config BT_SCA_UPDATE |
| bool "Sleep Clock Accuracy Update" |
| default y if BT_ISO_PERIPHERAL || BT_ISO_CENTRAL |
| depends on !HAS_BT_CTLR || BT_CTLR_SCA_UPDATE_SUPPORT |
| help |
| Enable support for Bluetooth 5.1 Sleep Clock Accuracy Update Procedure |
| |
| config BT_TRANSMIT_POWER_CONTROL |
| bool "LE Power Control" |
| depends on !HAS_BT_CTLR || BT_CTLR_LE_POWER_CONTROL_SUPPORT |
| help |
| Enable support for LE Power Control Request feature that is defined in the |
| Bluetooth Core specification, Version 5.4 | Vol 6, Part B, Section 4.6.31. |
| |
| config BT_PATH_LOSS_MONITORING |
| bool "LE Path Loss Monitoring" |
| depends on !HAS_BT_CTLR || BT_CTLR_LE_PATH_LOSS_MONITORING_SUPPORT |
| help |
| Enable support for LE Path Loss Monitoring feature that is defined in the |
| Bluetooth Core specification, Version 5.4 | Vol 6, Part B, Section 4.6.32. |
| |
| config BT_SUBRATING |
| bool "LE Connection Subrating [EXPERIMENTAL]" |
| select EXPERIMENTAL |
| depends on !HAS_BT_CTLR || BT_CTLR_SUBRATING_SUPPORT |
| help |
| Enable support for LE Connection Subrating feature that is defined in the |
| Bluetooth Core specification, Version 5.4 | Vol 6, Part B, Section 4.6.35. |
| |
| config BT_CHANNEL_SOUNDING |
| bool "Channel Sounding [EXPERIMENTAL]" |
| select EXPERIMENTAL |
| depends on !HAS_BT_CTLR || BT_CTLR_CHANNEL_SOUNDING_SUPPORT |
| help |
| Enable support for Bluetooth 6.0 Channel Sounding feature. |
| |
| config BT_CHANNEL_SOUNDING_TEST |
| bool "Channel Sounding Test [EXPERIMENTAL]" |
| select EXPERIMENTAL |
| depends on BT_CHANNEL_SOUNDING |
| help |
| Enable support for Channel Sounding test mode. |
| |
| config BT_CHANNEL_SOUNDING_REASSEMBLY_BUFFER_SIZE |
| int "Subevent result reassembly buffer size" |
| depends on BT_CHANNEL_SOUNDING |
| range 239 5600 |
| default 5600 |
| help |
| When the results for a CS subevent cannot fit into a single HCI event, |
| it will be split up into multiple events and consequently, reassembled into a |
| full CS subevent. This config sets the size of the reassembly buffer. |
| |
| config BT_CHANNEL_SOUNDING_REASSEMBLY_BUFFER_CNT |
| int "Subevent result reassembly buffer count" |
| depends on BT_CHANNEL_SOUNDING |
| range 1 BT_MAX_CONN |
| default 1 |
| help |
| Controls the number of the reassembly buffers for CS subevent |
| results. Each running CS procedure is allocated one buffer and the |
| number of concurrent CS procedures is limited by this value. |
| |
| endif # BT_CONN |
| |
| config BT_ISO |
| bool |
| |
| config BT_ISO_TX |
| bool |
| |
| config BT_ISO_RX |
| bool |
| |
| #TODO : Split between client(central) and server(peripheral) |
| config BT_ISO_UNICAST |
| bool |
| depends on BT_CONN |
| select BT_ISO |
| select BT_ISO_TX |
| select BT_ISO_RX |
| help |
| This option enables support for Bluetooth Unicast |
| Isochronous channels. |
| |
| config BT_ISO_PERIPHERAL |
| bool "Bluetooth Isochronous Channel Unicast Peripheral Support" |
| depends on !HAS_BT_CTLR || BT_CTLR_PERIPHERAL_ISO_SUPPORT |
| depends on BT_PERIPHERAL |
| select BT_ISO_UNICAST |
| help |
| This option enables support for Bluetooth Unicast |
| Isochronous channels for the peripheral role. |
| |
| config BT_ISO_CENTRAL |
| bool "Bluetooth Isochronous Channel Unicast Central Support" |
| depends on !HAS_BT_CTLR || BT_CTLR_CENTRAL_ISO_SUPPORT |
| depends on BT_CENTRAL |
| select BT_ISO_UNICAST |
| help |
| This option enables support for Bluetooth Broadcast |
| Isochronous channels for the central role. |
| |
| config BT_ISO_BROADCAST |
| bool |
| select BT_ISO |
| select BT_EXT_ADV |
| |
| config BT_ISO_BROADCASTER |
| bool "Bluetooth Isochronous Broadcaster Support" |
| depends on !HAS_BT_CTLR || BT_CTLR_ADV_ISO_SUPPORT |
| select BT_ISO_BROADCAST |
| select BT_ISO_TX |
| select BT_BROADCASTER |
| select BT_PER_ADV |
| help |
| This option enables support for the Bluetooth Isochronous Broadcaster. |
| |
| config BT_ISO_SYNC_RECEIVER |
| bool "Bluetooth Isochronous Synchronized Receiver Support" |
| depends on !HAS_BT_CTLR || BT_CTLR_SYNC_ISO_SUPPORT |
| depends on BT_OBSERVER |
| select BT_ISO_BROADCAST |
| select BT_ISO_RX |
| select BT_PER_ADV_SYNC |
| help |
| This option enables support for the Bluetooth Isochronous |
| Synchronized Receiver. |
| |
| if BT_ISO |
| |
| config BT_ISO_MAX_CHAN |
| int "Maximum number of simultaneous ISO channels" |
| depends on BT_ISO |
| default BT_MAX_CONN if BT_CONN |
| default 1 |
| range 1 64 |
| help |
| Maximum number of simultaneous Bluetooth isochronous channels |
| supported. |
| |
| config BT_ISO_TX_BUF_COUNT |
| int "Number of Isochronous TX buffers" |
| default 1 |
| range 1 $(UINT8_MAX) |
| help |
| Number of buffers available for outgoing Isochronous channel SDUs. |
| |
| config BT_ISO_TX_FRAG_COUNT |
| int "Number of ISO TX fragment buffers" |
| default 2 |
| range 0 $(UINT8_MAX) |
| help |
| Number of buffers available for fragments of TX buffers. Warning: |
| setting this to 0 means that the application must ensure that |
| queued TX buffers never need to be fragmented, i.e. that the |
| controller's buffer size is large enough. If this is not ensured, |
| and there are no dedicated fragment buffers, a deadlock may occur. |
| In most cases the default value of 2 is a safe bet. |
| |
| config BT_ISO_TX_MTU |
| int "Maximum supported MTU for Isochronous TX buffers" |
| range 1 4095 |
| default 247 |
| help |
| Maximum MTU for Isochronous channels TX buffers. |
| This is the actual data payload. It doesn't include the optional |
| HCI ISO Data packet fields (e.g. `struct bt_hci_iso_sdu_ts_hdr`). |
| Set this value to 247 to fit 247 bytes of data within a single |
| HCI ISO Data packet with Data_Total_Length of 255, utilizing |
| timestamps. |
| |
| config BT_ISO_RX_BUF_COUNT |
| int "Number of Isochronous RX buffers" |
| default 1 |
| range 1 $(UINT8_MAX) |
| help |
| Number of buffers available for incoming Isochronous channel SDUs. |
| |
| config BT_ISO_RX_MTU |
| int "Maximum supported MTU for Isochronous RX buffers" |
| default 251 |
| range 23 4095 |
| help |
| Maximum MTU for Isochronous channels RX buffers. |
| This is the actual data payload. It doesn't include the optional |
| HCI ISO Data packet fields (e.g. `struct bt_hci_iso_sdu_ts_hdr`) |
| |
| config BT_ISO_TEST_PARAMS |
| bool "ISO test parameters support" |
| help |
| Enabling advanced ISO parameters will allow the use of the ISO test |
| parameters for creating a CIG or a BIG. These test parameters were |
| intended for testing, but can be used to allow the host to set more |
| settings that are otherwise usually controlled by the controller. |
| |
| if BT_ISO_UNICAST |
| |
| config BT_ISO_MAX_CIG |
| int "Maximum number of Connected Isochronous Groups (CIGs) to support" |
| default 1 |
| help |
| Maximum number of CIGs that are supported by the host. A CIG can be |
| used for either transmitting or receiving. |
| |
| endif # BT_ISO_UNICAST |
| |
| if BT_ISO_BROADCAST |
| |
| config BT_ISO_MAX_BIG |
| int "Maximum number of Broadcast Isochronous Groups (BIGs) to support" |
| default 1 |
| range 1 BT_EXT_ADV_MAX_ADV_SET |
| help |
| Maximum number of BIGs that are supported by the host. A BIG can be |
| used for either transmitting or receiving, but not at the same time. |
| |
| endif # BT_ISO_BROADCAST |
| endif # BT_ISO |
| |
| rsource "common/Kconfig" |
| rsource "host/Kconfig" |
| rsource "controller/Kconfig" |
| rsource "crypto/Kconfig" |
| rsource "lib/Kconfig" |
| rsource "Kconfig.logging" |
| |
| config BT_SHELL |
| bool "Bluetooth shell" |
| select SHELL |
| select BT_PRIVATE_SHELL |
| select BT_TICKER_NEXT_SLOT_GET if BT_LL_SW_SPLIT |
| help |
| Activate shell module that provides Bluetooth commands to the |
| console. |
| |
| endif # BT_HCI |
| |
| config BT_COMPANY_ID |
| hex "Company Id" |
| default 0x05F1 |
| range 0x0000 0xFFFF |
| help |
| Set the Bluetooth Company Identifier for this device. The Linux |
| Foundation's Company Identifier (0x05F1) is the default value for |
| this option although silicon vendors and hardware manufacturers |
| can set their own. Note that the controller's Company Identifier is |
| controlled by BT_CTLR_COMPANY_ID. The full list of Bluetooth |
| Company Identifiers can be found here: |
| https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers |
| |
| endif # BT |
