bluetooth: increase HCI RX buffer size.

BLUETOOTH_MAX_FRAMELEN  buffer size is only for LE only mode.
then we need to increase HCI buffer size in BR/EDR and LE mode.

Signed-off-by: chengkai <[email protected]>

Author: chengkai15

drivers/wireless/bluetooth/Kconfig

@@ -51,6 +51,12 @@ config BLUETOOTH_UART_DUMP
 	---help---
 		Dump the full content of all outgoing and incoming messages.
 
+config BLUETOOTH_UART_RXBUFSIZE
+	int "Bluetooth UART RX Buffer size"
+	default 2048
+	---help---
+		Bluetooth UART RX Buffer size.  Default: 2048
+
 endif # BLUETOOTH_UART
 
 config BLUETOOTH_BRIDGE

drivers/wireless/bluetooth/bt_uart.c

@@ -102,7 +102,7 @@ static ssize_t btuart_read(FAR struct btuart_upperhalf_s *upper,
 static void btuart_rxwork(FAR void *arg)
 {
   FAR struct btuart_upperhalf_s *upper;
-  uint8_t data[BLUETOOTH_MAX_FRAMELEN];
+  uint8_t data[CONFIG_BLUETOOTH_UART_RXBUFSIZE];
   enum bt_buf_type_e type;
   unsigned int hdrlen;
   unsigned int pktlen;