5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 1178,1188 ****
          }
  
          xge_hal_fifo_dtr_post(ring->channelh, dtr);
  
          /* Update per-ring tx statistics */
!         atomic_add_64(&ring->tx_pkts, 1);
          atomic_add_64(&ring->tx_bytes, sent_bytes);
  
          return (NULL);
  
  _exit_cleanup:
--- 1178,1188 ----
          }
  
          xge_hal_fifo_dtr_post(ring->channelh, dtr);
  
          /* Update per-ring tx statistics */
!         atomic_inc_64(&ring->tx_pkts);
          atomic_add_64(&ring->tx_bytes, sent_bytes);
  
          return (NULL);
  
  _exit_cleanup: