[nrf fromlist] Bluetooth: Tester: Unify L2CAP and ACL bufs configuration

This should all be unified so that tests run with similar setup
on all boards.

Upstream PR #: 80883

Signed-off-by: Lang Xie <lang.xie@nordicsemi.no>

tests/bluetooth/tester/nrf5340_hci_ipc.conf

@@ -1,9 +1 @@
 # Apply this overlay at tester build, not hci_ipc build
-CONFIG_BT_MAX_CONN=3
-CONFIG_BT_MAX_PAIRED=3
-# Those have to be the same as in the controller (hci_ipc)
-CONFIG_BT_BUF_EVT_RX_COUNT=16
-CONFIG_BT_BUF_EVT_RX_SIZE=255
-CONFIG_BT_BUF_CMD_TX_SIZE=255
-CONFIG_BT_BUF_ACL_TX_SIZE=251
-CONFIG_BT_BUF_ACL_RX_SIZE=255

tests/bluetooth/tester/overlay-le-audio.conf

@@ -12,13 +12,6 @@ CONFIG_BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE=22
 # Ring buffer for streaming ISO data
 CONFIG_RING_BUFFER=y
 
-# These have to be the same as in the controller (hci_ipc)
-CONFIG_BT_MAX_CONN=3
-CONFIG_BT_MAX_PAIRED=3
-CONFIG_BT_BUF_EVT_RX_COUNT=16
-CONFIG_BT_BUF_EVT_RX_SIZE=255
-CONFIG_BT_BUF_CMD_TX_SIZE=255
-
 # When initiating Codec Config by server for 3 ASEs one by one, MTU buffers
 # were freed too slow. The bt_bap_stream_ops.configured callback comes earlier.
 CONFIG_BT_L2CAP_TX_BUF_COUNT=10
@@ -49,9 +42,6 @@ CONFIG_BT_BAP_BROADCAST_SNK_SUBGROUP_COUNT=2
 CONFIG_BT_PER_ADV_SYNC_TRANSFER_SENDER=y
 CONFIG_BT_AUDIO_CODEC_CFG_MAX_METADATA_SIZE=255
 CONFIG_BT_PER_ADV_SYNC_TRANSFER_RECEIVER=y
-# BASS notifications need higher MTU
-CONFIG_BT_L2CAP_TX_MTU=255
-CONFIG_BT_BUF_ACL_RX_SIZE=255
 
 # ASCS
 CONFIG_BT_ASCS=y

tests/bluetooth/tester/prj.conf

@@ -16,6 +16,7 @@ CONFIG_BT_BONDABLE=y
 CONFIG_BT_ATT_PREPARE_COUNT=12
 CONFIG_BT_GATT_CLIENT=y
 CONFIG_BT_L2CAP_DYNAMIC_CHANNEL=y
+CONFIG_BT_L2CAP_TX_MTU=255
 CONFIG_BT_L2CAP_SEG_RECV=y
 CONFIG_BT_DEVICE_NAME="Tester"
 CONFIG_BT_DEVICE_NAME_MAX=32
@@ -26,8 +27,8 @@ CONFIG_BT_L2CAP_ECRED=y
 CONFIG_BT_EATT_MAX=5
 CONFIG_BT_FILTER_ACCEPT_LIST=y
 CONFIG_BT_EATT_AUTO_CONNECT=n
-CONFIG_BT_MAX_CONN=2
-CONFIG_BT_MAX_PAIRED=2
+CONFIG_BT_MAX_CONN=3
+CONFIG_BT_MAX_PAIRED=3
 CONFIG_BT_GATT_NOTIFY_MULTIPLE=y
 CONFIG_BT_ATT_RETRY_ON_SEC_ERR=n
 CONFIG_BT_GATT_DYNAMIC_DB=y
@@ -54,3 +55,9 @@ CONFIG_BT_DIS_SERIAL_NUMBER=y
 CONFIG_BT_DIS_FW_REV=y
 CONFIG_BT_DIS_HW_REV=y
 CONFIG_BT_DIS_SW_REV=y
+
+CONFIG_BT_BUF_EVT_RX_COUNT=16
+CONFIG_BT_BUF_EVT_RX_SIZE=255
+CONFIG_BT_BUF_CMD_TX_SIZE=255
+CONFIG_BT_BUF_ACL_TX_SIZE=251
+CONFIG_BT_BUF_ACL_RX_SIZE=255