x86 vPMD will be disabled if currently platform does not support SSE4.1.
This is the prework to enable vPMD ptype offload where SSE4.1 instrunctions
will be involved.
Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
---
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index a7bc199..fbbd872 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -652,5 +652,9 @@ ixgbe_txq_vec_setup(struct ixgbe_tx_queue *txq)
int __attribute__((cold))
ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev)
{
+ /* need SSE4.1 support */
+ if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+ return -1;
+
return ixgbe_rx_vec_dev_conf_condition_check_default(dev);
}
--
2.7.4
