[dpdk-dev] [PATCH 20.11 04/12] net/axgbe: add checks for max SIMD bitwidth

[Somalapuram, Amaranath]

[AMD Official Use Only - Internal Distribution Only]

++selwin
Please check.

Get Outlook for Android<https://aka.ms/ghei36>
________________________________
From: Ciara Power <ciara.power at intel.com>
Sent: Friday, August 7, 2020 9:28:51 PM
To: dev at dpdk.org <dev at dpdk.org>
Cc: bruce.richardson at intel.com <bruce.richardson at intel.com>; Ciara Power <ciara.power at intel.com>; Somalapuram, Amaranath <Amaranath.Somalapuram at amd.com>
Subject: [PATCH 20.11 04/12] 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 30c467db71..6200954caa 100644
--- a/drivers/net/axgbe/axgbe_rxtx.c
+++ b/drivers/net/axgbe/axgbe_rxtx.c
@@ -553,7 +553,8 @@ 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