[dpdk-dev] [PATCH 2/6] net/hns3: fix delay time for waiting to stop rxtx

[Min Hu (Connor)]

From: Huisong Li <lihuisong at huawei.com>

When the primary process executes dev_stop or is being reset, the packet
sending and receiving functions is changed. In this moment, the primary
process requests secondary processes to change their Rx/Tx functions, and
delays a period of time in case of crashes when queues are still in use.
The delay time depends on the number of queues actually used, instead of
the maximum number of queues supported by the device.

Fixes: 23d4b61fee5d ("net/hns3: support multiple process")
Cc: stable at dpdk.org

Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c    | 4 ++--
 drivers/net/hns3/hns3_ethdev_vf.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 467d770..32719ff 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5897,7 +5897,7 @@ hns3_dev_stop(struct rte_eth_dev *dev)
 	/* Disable datapath on secondary process. */
 	hns3_mp_req_stop_rxtx(dev);
 	/* Prevent crashes when queues are still in use. */
-	rte_delay_ms(hw->tqps_num);
+	rte_delay_ms(hw->cfg_max_queues);
 
 	rte_spinlock_lock(&hw->lock);
 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
@@ -6513,7 +6513,7 @@ hns3_stop_service(struct hns3_adapter *hns)
 	rte_wmb();
 	/* Disable datapath on secondary process. */
 	hns3_mp_req_stop_rxtx(eth_dev);
-	rte_delay_ms(hw->tqps_num);
+	rte_delay_ms(hw->cfg_max_queues);
 
 	rte_spinlock_lock(&hw->lock);
 	if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 1e94a1e..a198d07 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2109,7 +2109,7 @@ hns3vf_dev_stop(struct rte_eth_dev *dev)
 	/* Disable datapath on secondary process. */
 	hns3_mp_req_stop_rxtx(dev);
 	/* Prevent crashes when queues are still in use. */
-	rte_delay_ms(hw->tqps_num);
+	rte_delay_ms(hw->cfg_max_queues);
 
 	rte_spinlock_lock(&hw->lock);
 	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
@@ -2560,7 +2560,7 @@ hns3vf_stop_service(struct hns3_adapter *hns)
 	rte_wmb();
 	/* Disable datapath on secondary process. */
 	hns3_mp_req_stop_rxtx(eth_dev);
-	rte_delay_ms(hw->tqps_num);
+	rte_delay_ms(hw->cfg_max_queues);
 
 	rte_spinlock_lock(&hw->lock);
 	if (hw->adapter_state == HNS3_NIC_STARTED ||
-- 
2.7.4