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 <[email protected]>
---
 drivers/net/intel/i40e/i40e_rxtx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/intel/i40e/i40e_rxtx.c 
b/drivers/net/intel/i40e/i40e_rxtx.c
index cde60cc7bd..290fec2b0a 100644
--- a/drivers/net/intel/i40e/i40e_rxtx.c
+++ b/drivers/net/intel/i40e/i40e_rxtx.c
@@ -3631,6 +3631,10 @@ 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;
+
+       ad->tx_vec_allowed =
+               (i40e_tx_path_infos[ad->tx_func_type].features.simd_width >= 
RTE_VECT_SIMD_128);
+
 }
 
 int
-- 
2.43.0

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