[dpdk-dev] [PATCH v2 06/17] net/bnxt: add checks for max SIMD bitwidth
Ciara Power
ciara.power at intel.com
Thu Aug 27 18:12:53 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: Ajit Khaparde <ajit.khaparde at broadcom.com>
Cc: Somnath Kotur <somnath.kotur at broadcom.com>
Signed-off-by: Ciara Power <ciara.power at intel.com>
---
drivers/net/bnxt/bnxt_ethdev.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 510a0d9e0a..626aae8881 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -1100,7 +1100,8 @@ bnxt_receive_function(struct rte_eth_dev *eth_dev)
DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
DEV_RX_OFFLOAD_RSS_HASH |
DEV_RX_OFFLOAD_VLAN_FILTER)) &&
- !BNXT_TRUFLOW_EN(bp)) {
+ !BNXT_TRUFLOW_EN(bp) && rte_get_max_simd_bitwidth()
+ >= RTE_MAX_128_SIMD) {
PMD_DRV_LOG(INFO, "Using vector mode receive for port %d\n",
eth_dev->data->port_id);
bp->flags |= BNXT_FLAG_RX_VECTOR_PKT_MODE;
@@ -1132,7 +1133,8 @@ bnxt_transmit_function(__rte_unused struct rte_eth_dev *eth_dev)
*/
if (!eth_dev->data->scattered_rx &&
!eth_dev->data->dev_conf.txmode.offloads &&
- !BNXT_TRUFLOW_EN(bp)) {
+ !BNXT_TRUFLOW_EN(bp) &&
+ rte_get_max_simd_bitwidth() >= RTE_MAX_128_SIMD) {
PMD_DRV_LOG(INFO, "Using vector mode transmit for port %d\n",
eth_dev->data->port_id);
return bnxt_xmit_pkts_vec;
--
2.17.1
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