net/mlx5: fix build without soft counters

total_length is only visible when SOFT_COUNTERS are enabled

Fixes: 3f13f8c23a7c ("net/mlx5: support hardware TSO")
Cc: stable@dpdk.org
Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 9658b37..2d30c50 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -524,7 +524,9 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
                                                     0,
                                        };
                                        ds = 1;
+#ifdef MLX5_PMD_SOFT_COUNTERS
                                        total_length = 0;
+#endif
                                        k++;
                                        goto next_wqe;
                                }