Add transport param to Connect APIs

Support for passing preferred transport for GATT connections as part of
Connect APIs

Change-Id: I83ba256574234c0a15a4bff48bcffa2e237c9393

include/hardware/bt_gatt_client.h

@@ -195,7 +195,7 @@ typedef struct {
 
     /** Create a connection to a remote LE or dual-mode device */
     bt_status_t (*connect)( int client_if, const bt_bdaddr_t *bd_addr,
-                         bool is_direct );
+                         bool is_direct, int transport );
 
     /** Disconnect a remote device or cancel a pending connection */
     bt_status_t (*disconnect)( int client_if, const bt_bdaddr_t *bd_addr,
@@ -291,6 +291,7 @@ typedef struct {
 
     /** Test mode interface */
     bt_status_t (*test_command)( int command, btgatt_test_params_t* params);
+
 } btgatt_client_interface_t;
 
 __END_DECLS

include/hardware/bt_gatt_server.h

@@ -129,7 +129,8 @@ typedef struct {
     bt_status_t (*unregister_server)(int server_if );
 
     /** Create a connection to a remote peripheral */
-    bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr, bool is_direct );
+    bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr,
+                            bool is_direct, int transport);
 
     /** Disconnect an established connection or cancel a pending one */
     bt_status_t (*disconnect)(int server_if, const bt_bdaddr_t *bd_addr,
@@ -168,6 +169,7 @@ typedef struct {
     /** Send a response to a read/write operation */
     bt_status_t (*send_response)(int conn_id, int trans_id,
                                  int status, btgatt_response_t *response);
+
 } btgatt_server_interface_t;
 
 __END_DECLS

include/hardware/bt_gatt_types.h

@@ -43,6 +43,14 @@ typedef struct
     uint8_t             is_primary;
 } btgatt_srvc_id_t;
 
+/** Preferred physical Transport for GATT connection */
+typedef enum
+{
+    GATT_TRANSPORT_AUTO,
+    GATT_TRANSPORT_BREDR,
+    GATT_TRANSPORT_LE
+} btgatt_transport_t;
+
 __END_DECLS
 
 #endif /* ANDROID_INCLUDE_BT_GATT_TYPES_H */