[v5,07/17] net/fm10k: add checks for max SIMD bitwidth
Checks
Commit Message
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: Qi Zhang <qi.z.zhang@intel.com>
Cc: Xiao Wang <xiao.w.wang@intel.com>
Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
---
v4: Updated enum name.
---
drivers/net/fm10k/fm10k_ethdev.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
@@ -2937,7 +2937,9 @@ fm10k_set_tx_function(struct rte_eth_dev *dev)
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
/* primary process has set the ftag flag and offloads */
txq = dev->data->tx_queues[0];
- if (fm10k_tx_vec_condition_check(txq)) {
+ if (fm10k_tx_vec_condition_check(txq) ||
+ rte_get_max_simd_bitwidth()
+ < RTE_SIMD_128) {
dev->tx_pkt_burst = fm10k_xmit_pkts;
dev->tx_pkt_prepare = fm10k_prep_pkts;
PMD_INIT_LOG(DEBUG, "Use regular Tx func");
@@ -2956,7 +2958,8 @@ fm10k_set_tx_function(struct rte_eth_dev *dev)
txq = dev->data->tx_queues[i];
txq->tx_ftag_en = tx_ftag_en;
/* Check if Vector Tx is satisfied */
- if (fm10k_tx_vec_condition_check(txq))
+ if (fm10k_tx_vec_condition_check(txq) ||
+ rte_get_max_simd_bitwidth() < RTE_SIMD_128)
use_sse = 0;
}
@@ -2990,7 +2993,9 @@ fm10k_set_rx_function(struct rte_eth_dev *dev)
* conditions to be met.
*/
if (!fm10k_rx_vec_condition_check(dev) &&
- dev_info->rx_vec_allowed && !rx_ftag_en) {
+ dev_info->rx_vec_allowed && !rx_ftag_en &&
+ rte_get_max_simd_bitwidth()
+ >= RTE_SIMD_128) {
if (dev->data->scattered_rx)
dev->rx_pkt_burst = fm10k_recv_scattered_pkts_vec;
else