int client_id);
int _bt_request_att_mtu(bluetooth_device_address_t *device_address, unsigned int mtu);
+int _bt_gatt_server_read_phy(bluetooth_device_address_t *address);
+int _bt_gatt_server_set_phy(bluetooth_device_address_t *device_address,
+ int tx_phy, int rx_phy, int phy_options);
+int _bt_gatt_client_read_phy(bluetooth_device_address_t *address);
+int _bt_gatt_client_set_phy(bluetooth_device_address_t *device_address,
+ int tx_phy, int rx_phy, int phy_options);
+
+
#ifndef __INTEGRATE_GATT_INFO__
struct gatt_server_info_t *_bt_find_remote_gatt_server_info(char *address);
#else