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CONFIG_BT_CTLR_TX_BUFFERS
¶
Number of Tx buffers
Type: int
Help¶
Set the number of Tx PDUs to be queued for transmission in the controller. In a 7.5ms connection interval and 2M PHY, maximum 19 packets can be enqueued, with 18 packets with L2CAP payload size of 1 byte can be acknowledged.
Defaults¶
7 if
BT_HCI_RAW
3
Kconfig definition¶
At <Zephyr>/subsys/bluetooth/controller/Kconfig:174
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:34
→ <Zephyr>/subsys/Kconfig:8
→ <Zephyr>/subsys/bluetooth/Kconfig:240
Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller
config BT_CTLR_TX_BUFFERS int "Number of Tx buffers" range 1 19 default 7 ifBT_HCI_RAW
default 3 depends onBT_CTLR
&&BT_HCI
&&BT
help Set the number of Tx PDUs to be queued for transmission in the controller. In a 7.5ms connection interval and 2M PHY, maximum 19 packets can be enqueued, with 18 packets with L2CAP payload size of 1 byte can be acknowledged.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)