[PATCH] net/iavf: fix queue stop for large VF

[PATCH] net/iavf: fix queue stop for large VF

[Radu Nicolau]

Use large VF queue stop request when large VF is enabled

Fixes: 9cf9c02bf6ee ("net/iavf: add enable/disable queues for large VF")
Cc: stable@dpdk.org
Cc: ting.xu@intel.com

Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
---
 drivers/net/iavf/iavf_rxtx.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 437055f76b..3292541ad9 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -958,6 +958,7 @@ iavf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
 	struct iavf_adapter *adapter =
 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 	struct iavf_rx_queue *rxq;
 	int err;
 
@@ -966,7 +967,11 @@ iavf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	if (rx_queue_id >= dev->data->nb_rx_queues)
 		return -EINVAL;
 
-	err = iavf_switch_queue(adapter, rx_queue_id, true, false);
+	if (!vf->lv_enabled)
+		err = iavf_switch_queue(adapter, rx_queue_id, true, false);
+	else
+		err = iavf_switch_queue_lv(adapter, rx_queue_id, true, false);
+
 	if (err) {
 		PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
 			    rx_queue_id);
@@ -986,6 +991,7 @@ iavf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
 	struct iavf_adapter *adapter =
 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 	struct iavf_tx_queue *txq;
 	int err;
 
@@ -994,7 +1000,11 @@ iavf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 	if (tx_queue_id >= dev->data->nb_tx_queues)
 		return -EINVAL;
 
-	err = iavf_switch_queue(adapter, tx_queue_id, false, false);
+	if (!vf->lv_enabled)
+		err = iavf_switch_queue(adapter, tx_queue_id, false, false);
+	else
+		err = iavf_switch_queue_lv(adapter, tx_queue_id, false, false);
+
 	if (err) {
 		PMD_DRV_LOG(ERR, "Failed to switch TX queue %u off",
 			    tx_queue_id);
-- 
2.25.1

RE: [PATCH] net/iavf: fix queue stop for large VF

[Zhang, Qi Z]

> -----Original Message-----
> From: Nicolau, Radu <radu.nicolau@intel.com>
> Sent: Thursday, October 20, 2022 5:10 PM
> To: Wu, Jingjing <jingjing.wu@intel.com>; Xing, Beilei <beilei.xing@intel.com>
> Cc: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; Nicolau, Radu
> <radu.nicolau@intel.com>; stable@dpdk.org; Xu, Ting <ting.xu@intel.com>
> Subject: [PATCH] net/iavf: fix queue stop for large VF
> 
> Use large VF queue stop request when large VF is enabled
> 
> Fixes: 9cf9c02bf6ee ("net/iavf: add enable/disable queues for large VF")
> Cc: stable@dpdk.org
> Cc: ting.xu@intel.com
> 
> Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi