The RSSI value printed from PUTTY is which one: central received RSSI or peripheral received RSSI ?

  switch (p_ble_evt->header.evt_id)
    {
      
        case BLE_GAP_EVT_CONNECTED:
             on_ble_gap_evt_connected(p_gap_evt);
            err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
            APP_ERROR_CHECK(err_code);
             m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
             sd_ble_gap_rssi_start(m_conn_handle, 0x02, 0x00);
            break;
        case BLE_GAP_EVT_RSSI_CHANGED:
 //            NRF_LOG_INFO("rssi:%d\r\n",p_ble_evt->evt.gap_evt.params.rssi_changed.rssi);
            rssi_sum += p_ble_evt->evt.gap_evt.params.rssi_changed.rssi;
            rssi_count ++;
            break;
   NRF_LOG_INFO("Done.");
            NRF_LOG_INFO("=============================");
            NRF_LOG_INFO("Time: %u.%.2u seconds elapsed.", (time_ms / 1000), (time_ms % 1000));
            NRF_LOG_INFO("Throughput: " NRF_LOG_FLOAT_MARKER " Kbps.",
                         NRF_LOG_FLOAT(throughput_kbps));
            NRF_LOG_INFO("=============================");
            NRF_LOG_INFO("Sent %u bytes of ATT payload.", evt.bytes_transfered_cnt);
            NRF_LOG_INFO("Retrieving amount of bytes received from peer...");
           
if (rssi_count != 0)
            {
              NRF_LOG_INFO("rssi avg=%d.", rssi_sum / rssi_count);
            }
               rssi_sum = 0;
               rssi_count = 0;