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# Bluetooth ATT/GATT configuration options
# Copyright (c) 2019 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
menu "L2CAP Options"
config BT_L2CAP_RX_MTU
int "Maximum supported L2CAP MTU for incoming data"
default 200 if BT_BREDR
default 65 if BT_SMP
default 23
range 65 1300 if BT_SMP
range 23 1300
depends on BT_HCI_ACL_FLOW_CONTROL
help
Maximum size of each incoming L2CAP PDU.
config BT_L2CAP_TX_BUF_COUNT
int "Number of L2CAP TX buffers"
default NET_BUF_TX_COUNT if NET_L2_BT
default BT_CTLR_TX_BUFFERS if BT_CTLR
default 3
range 2 255
help
Number of buffers available for outgoing L2CAP packets.
config BT_L2CAP_TX_FRAG_COUNT
int "Number of L2CAP TX fragment buffers"
default NET_BUF_TX_COUNT if NET_L2_BT
default 2
range 0 255
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_L2CAP_TX_MTU
int "Maximum supported L2CAP MTU for L2CAP TX buffers"
default 253 if BT_BREDR
default 65 if BT_SMP
default 23
range 65 2000 if BT_SMP
range 23 2000
help
Maximum L2CAP MTU for L2CAP TX buffers.
config BT_L2CAP_DYNAMIC_CHANNEL
bool "L2CAP Dynamic Channel support"
depends on BT_SMP
help
This option enables support for LE Connection oriented Channels,
allowing the creation of dynamic L2CAP Channels.
config BT_DEBUG_L2CAP
bool "Bluetooth L2CAP debug"
depends on BT_DEBUG
help
This option enables debug support for the Bluetooth
L2ACP layer.
endmenu