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From: Ciara Power <ciara.power@intel.com>
To: dev@dpdk.org
Cc: Ciara Power <ciara.power@intel.com>, John Daley <johndale@cisco.com>,
 Hyong Youb Kim <hyonkim@cisco.com>
Date: Thu, 27 Aug 2020 17:12:54 +0100
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Subject: [dpdk-dev] [PATCH v2 07/17] net/enic: add checks for max SIMD
	bitwidth
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When choosing a vector path to take, an extra condition must be
satisfied to ensure the max SIMD bitwidth allows for the CPU enabled
path.

Cc: John Daley <johndale@cisco.com>
Cc: Hyong Youb Kim <hyonkim@cisco.com>

Acked-by: Hyong Youb Kim <hyonkim@cisco.com>
Signed-off-by: Ciara Power <ciara.power@intel.com>
---
 drivers/net/enic/enic_rxtx_vec_avx2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/enic/enic_rxtx_vec_avx2.c b/drivers/net/enic/enic_rxtx_vec_avx2.c
index 676b9f5fdb..5db43bdbb8 100644
--- a/drivers/net/enic/enic_rxtx_vec_avx2.c
+++ b/drivers/net/enic/enic_rxtx_vec_avx2.c
@@ -821,7 +821,8 @@ enic_use_vector_rx_handler(struct rte_eth_dev *eth_dev)
 	fconf = &eth_dev->data->dev_conf.fdir_conf;
 	if (fconf->mode != RTE_FDIR_MODE_NONE)
 		return false;
-	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) &&
+			rte_get_max_simd_bitwidth() >= RTE_MAX_256_SIMD) {
 		ENICPMD_LOG(DEBUG, " use the non-scatter avx2 Rx handler");
 		eth_dev->rx_pkt_burst = &enic_noscatter_vec_recv_pkts;
 		enic->use_noscatter_vec_rx_handler = 1;
-- 
2.17.1