From 086f9266478c2f9381db9e5db7813ac89172ad40 Mon Sep 17 00:00:00 2001 From: Ciara Power Date: Mon, 19 Oct 2020 15:48:45 +0200 Subject: [PATCH] net/bnxt: check max SIMD bitwidth 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 Acked-by: Somnath Kotur --- drivers/net/bnxt/bnxt_ethdev.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 6c1236953a..32318cfd00 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -13,6 +13,7 @@ #include #include #include +#include #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; -- 2.20.1