[PATCH 1/1] net/i40e: unset vector flag when scalar path is chosen

[Ciara Loftus]

The tx_vec_allowed flag should be set to false if a scalar Tx path is
chosen.

Fixes: 1ff08bb7ad90 ("net/i40e: use common Tx path selection infrastructure")

Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
---
 drivers/net/intel/i40e/i40e_rxtx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/intel/i40e/i40e_rxtx.c b/drivers/net/intel/i40e/i40e_rxtx.c
index 2db58c6b24..dd859bda4e 100644
--- a/drivers/net/intel/i40e/i40e_rxtx.c
+++ b/drivers/net/intel/i40e/i40e_rxtx.c
@@ -3631,6 +3631,9 @@ i40e_set_tx_function(struct rte_eth_dev *dev)
 			ad->tx_func_type == I40E_TX_ALTIVEC ||
 			ad->tx_func_type == I40E_TX_AVX2)
 		dev->recycle_tx_mbufs_reuse = i40e_recycle_tx_mbufs_reuse_vec;
+
+	if (i40e_tx_path_infos[ad->tx_func_type].features.simd_width < RTE_VECT_SIMD_128)
+		ad->tx_vec_allowed = false;
 }
 
 int
-- 
2.43.0