[dpdk-dev] [PATCH v9 04/18] net/axgbe: add checks for max SIMD bitwidth

Ciara Power ciara.power at intel.com
Fri Oct 16 16:27:28 CEST 2020


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: Somalapuram Amaranath <asomalap at amd.com>

Signed-off-by: Ciara Power <ciara.power at intel.com>
Acked-by: Amaranath Somalapuram <asomalap at amd.com>

---
v4: Updated enum name.
---
 drivers/net/axgbe/axgbe_rxtx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/axgbe/axgbe_rxtx.c b/drivers/net/axgbe/axgbe_rxtx.c
index bc93becaa5..5386bd86f8 100644
--- a/drivers/net/axgbe/axgbe_rxtx.c
+++ b/drivers/net/axgbe/axgbe_rxtx.c
@@ -557,7 +557,8 @@ int axgbe_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 	if (!pdata->tx_queues)
 		pdata->tx_queues = dev->data->tx_queues;
 
-	if (txq->vector_disable)
+	if (txq->vector_disable || rte_get_max_simd_bitwidth()
+			< RTE_SIMD_128)
 		dev->tx_pkt_burst = &axgbe_xmit_pkts;
 	else
 #ifdef RTE_ARCH_X86
-- 
2.22.0



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