[dpdk-dev] [PATCH v3 05/18] net/axgbe: add checks for max SIMD bitwidth

[Somalapuram, Amaranath]

-----Original Message-----
From: Ciara Power <ciara.power at intel.com> 
Sent: Wednesday, September 30, 2020 6:34 PM
To: dev at dpdk.org
Cc: Ciara Power <ciara.power at intel.com>; Somalapuram, Amaranath <Amaranath.Somalapuram at amd.com>
Subject: [PATCH v3 05/18] net/axgbe: add checks for max SIMD bitwidth

[CAUTION: External Email]

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>
---
 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..6093ec7279 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_MAX_128_SIMD)
                dev->tx_pkt_burst = &axgbe_xmit_pkts;
        else
 #ifdef RTE_ARCH_X86
--
2.17.1

Acked-by: Amaranath Somalapuram <asomalap at amd.com>