i40e: require SSE4.1 support for vector driver

[dpdk.git] / drivers / net / i40e / i40e_rxtx_vec.c

diff --git a/drivers/net/i40e/i40e_rxtx_vec.c b/drivers/net/i40e/i40e_rxtx_vec.c
index 047aff5..1e2fadd 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx_vec.c
+++ b/drivers/net/i40e/i40e_rxtx_vec.c
@@ -751,6 +751,10 @@ i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev)
        struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
        struct rte_fdir_conf *fconf = &dev->data->dev_conf.fdir_conf;
 
+       /* need SSE4.1 support */
+       if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+               return -1;
+
 #ifndef RTE_LIBRTE_I40E_RX_OLFLAGS_ENABLE
        /* whithout rx ol_flags, no VP flag report */
        if (rxmode->hw_vlan_strip != 0 ||