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net/bnxt: disable vector mode Tx with VLAN offload

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The vector mode transmit path does not currently support VLAN tag
insertion, so we need to disable vector transmit when transmit
VLAN insertion offload is enabled.

Fixes: bc4a000f2f53 ("net/bnxt: implement SSE vector mode")

Signed-off-by: Lance Richardson <lance.richardson@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Lance Richardson 2019-07-19 11:49:04 +05:30 committed by Ferruh Yigit
parent c79012a3b0
commit fca922e8f6
1 changed files with 3 additions and 5 deletions
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8
drivers/net/bnxt/bnxt_ethdev.c
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@ -734,13 +734,11 @@ bnxt_transmit_function(__rte_unused struct rte_eth_dev *eth_dev)
{
#ifdef RTE_ARCH_X86
/*
* Vector mode receive can be enabled only if scatter tx is not
* in use and tx offloads other than VLAN insertion are not
* in use.
* Vector mode transmit can be enabled only if not using scatter rx
* or tx offloads.
*/
if (!eth_dev->data->scattered_rx &&
!(eth_dev->data->dev_conf.txmode.offloads &
~DEV_TX_OFFLOAD_VLAN_INSERT)) {
!eth_dev->data->dev_conf.txmode.offloads) {
PMD_DRV_LOG(INFO, "Using vector mode transmit for port %d\n",
eth_dev->data->port_id);
return bnxt_xmit_pkts_vec;