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net/bnxt: check 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.

Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: Somnath Kotur <somnath.kotur@broadcom.com>
This commit is contained in:
Ciara Power 2020-10-19 15:48:45 +02:00 committed by David Marchand
parent 2b11056d1e
commit 086f926647
1 changed files with 5 additions and 2 deletions
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7
drivers/net/bnxt/bnxt_ethdev.c
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@ -13,6 +13,7 @@
#include <rte_cycles.h>
#include <rte_alarm.h>
#include <rte_kvargs.h>
#include <rte_vect.h>
#include "bnxt.h"
#include "bnxt_filter.h"
@ -1169,7 +1170,8 @@ 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_NUM_ASYNC_CPR(bp)) {
!BNXT_TRUFLOW_EN(bp) && BNXT_NUM_ASYNC_CPR(bp) &&
rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
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;
@ -1202,7 +1204,8 @@ bnxt_transmit_function(__rte_unused struct rte_eth_dev *eth_dev)
*/
if (!eth_dev->data->scattered_rx &&
!(offloads & ~DEV_TX_OFFLOAD_MBUF_FAST_FREE) &&
!BNXT_TRUFLOW_EN(bp)) {
!BNXT_TRUFLOW_EN(bp) &&
rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
PMD_DRV_LOG(INFO, "Using vector mode transmit for port %d\n",
eth_dev->data->port_id);
return bnxt_xmit_pkts_vec;