component/bt: add link role param for gatt connection event

components/bt/host/bluedroid/api/include/api/esp_gattc_api.h

@@ -209,6 +209,7 @@ typedef union {
      */
     struct gattc_connect_evt_param {
         uint16_t conn_id;               /*!< Connection id */
+        uint8_t link_role;              /*!< Link role : master role = 0  ; slave role = 1*/
         esp_bd_addr_t remote_bda;       /*!< Remote bluetooth device address */
         esp_gatt_conn_params_t conn_params; /*!< current connection parameters */
     } connect;                          /*!< Gatt client callback param of ESP_GATTC_CONNECT_EVT */

components/bt/host/bluedroid/api/include/api/esp_gatts_api.h

@@ -196,6 +196,7 @@ typedef union {
      */
     struct gatts_connect_evt_param {
         uint16_t conn_id;               /*!< Connection id */
+        uint8_t link_role;              /*!< Link role : master role = 0  ; slave role = 1*/
         esp_bd_addr_t remote_bda;       /*!< Remote bluetooth device address */
         esp_gatt_conn_params_t conn_params; /*!< current Connection parameters */
     } connect;                          /*!< Gatt server callback param of ESP_GATTS_CONNECT_EVT */

components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c

@@ -729,7 +729,7 @@ void bta_gattc_conncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data)
     if (p_rcb) {
         bta_gattc_send_connect_cback(p_rcb,
                                      p_data->int_conn.remote_bda,
-                                     p_data->int_conn.hdr.layer_specific, p_data->int_conn.conn_params);
+                                     p_data->int_conn.hdr.layer_specific, p_data->int_conn.conn_params, p_data->int_conn.role);
 
     }
 }

components/bt/host/bluedroid/bta/gatt/bta_gattc_utils.c

@@ -762,7 +762,7 @@ void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status
 ** Returns
 **
 *******************************************************************************/
-void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id, tBTA_GATT_CONN_PARAMS conn_params)
+void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id, tBTA_GATT_CONN_PARAMS conn_params, UINT8 link_role)
 {
     tBTA_GATTC      cb_data;
 
@@ -771,6 +771,7 @@ void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda,
 
         cb_data.connect.client_if = p_clreg->client_if;
         cb_data.connect.conn_id = conn_id;
+        cb_data.connect.link_role = link_role;
         cb_data.connect.conn_params.interval = conn_params.interval;
         cb_data.connect.conn_params.latency = conn_params.latency;
         cb_data.connect.conn_params.timeout = conn_params.timeout;

components/bt/host/bluedroid/bta/gatt/bta_gatts_act.c

@@ -1002,6 +1002,7 @@ static void bta_gatts_conn_cback (tGATT_IF gatt_if, BD_ADDR bda, UINT16 conn_id,
                 cb_data.conn.conn_params.interval = p_lcb->current_used_conn_interval;
                 cb_data.conn.conn_params.latency = p_lcb->current_used_conn_latency;
                 cb_data.conn.conn_params.timeout = p_lcb->current_used_conn_timeout;
+                cb_data.conn.link_role = p_lcb->link_role;
             }else {
                 APPL_TRACE_WARNING("%s not found connection parameters of the device ", __func__);
             }

components/bt/host/bluedroid/bta/gatt/include/bta_gattc_int.h

@@ -468,7 +468,7 @@ extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *
 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
 extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
                                        BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport,  UINT16 mtu);
-extern void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id, tBTA_GATT_CONN_PARAMS conn_params);
+extern void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id, tBTA_GATT_CONN_PARAMS conn_params, UINT8 link_role);
 extern void bta_gattc_send_disconnect_cback( tBTA_GATTC_RCB *p_clreg, tGATT_DISCONN_REASON reason,
                                 BD_ADDR remote_bda, UINT16 conn_id);
 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);

components/bt/host/bluedroid/bta/include/bta/bta_gatt_api.h

@@ -406,6 +406,7 @@ typedef struct {
 
 typedef struct {
     UINT16              conn_id;
+    UINT8               link_role;
     tBTA_GATTC_IF       client_if;
     BD_ADDR             remote_bda;
     tBTA_GATT_CONN_PARAMS conn_params;
@@ -614,6 +615,7 @@ typedef struct {
     tBTA_GATTS_IF       server_if;
     BD_ADDR             remote_bda;
     UINT16              conn_id;
+    UINT8               link_role;
     tBTA_GATT_REASON    reason; /* report disconnect reason */
     tBTA_GATT_TRANSPORT transport;
     tBTA_GATT_CONN_PARAMS conn_params;

components/bt/host/bluedroid/btc/profile/std/gatt/btc_gattc.c

@@ -900,6 +900,7 @@ void btc_gattc_cb_handler(btc_msg_t *msg)
 
         gattc_if = connect->client_if;
         param.connect.conn_id = BTC_GATT_GET_CONN_ID(connect->conn_id);
+        param.connect.link_role = connect->link_role;
         memcpy(param.connect.remote_bda, connect->remote_bda, sizeof(esp_bd_addr_t));
         param.connect.conn_params.interval = connect->conn_params.interval;
         param.connect.conn_params.latency = connect->conn_params.latency;

components/bt/host/bluedroid/btc/profile/std/gatt/btc_gatts.c

@@ -900,6 +900,7 @@ void btc_gatts_cb_handler(btc_msg_t *msg)
     case BTA_GATTS_CONNECT_EVT:
         gatts_if = p_data->conn.server_if;
         param.connect.conn_id = BTC_GATT_GET_CONN_ID(p_data->conn.conn_id);
+        param.connect.link_role = p_data->conn.link_role;
         memcpy(param.connect.remote_bda, p_data->conn.remote_bda, ESP_BD_ADDR_LEN);
         param.connect.conn_params.interval = p_data->conn.conn_params.interval;
         param.connect.conn_params.latency = p_data->conn.conn_params.latency;