[Patch v2] net/netvsc: set the correct queue state

[longli at linuxonhyperv.com]

From: Long Li <longli at microsoft.com>

Set the queue state when queue is started/stopped.

Signed-off-by: Long Li <longli at microsoft.com>
Acked-by: Stephen Hemminger <stephen at networkplumber.org>
---
Change since v1:
Fixed the following building error
error: 'for' loop initial declarations are only allowed in C99 mode

 drivers/net/netvsc/hn_ethdev.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index d0bbc0a4c0..a6a51088b8 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -990,7 +990,7 @@ static int
 hn_dev_start(struct rte_eth_dev *dev)
 {
 	struct hn_data *hv = dev->data->dev_private;
-	int error;
+	int i, error;
 
 	PMD_INIT_FUNC_TRACE();
 
@@ -1017,6 +1017,11 @@ hn_dev_start(struct rte_eth_dev *dev)
 	if (error == 0)
 		hn_dev_link_update(dev, 0);
 
+	for (i = 0; i < hv->num_queues; i++) {
+		dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+		dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+	}
+
 	return error;
 }
 
@@ -1024,13 +1029,21 @@ static int
 hn_dev_stop(struct rte_eth_dev *dev)
 {
 	struct hn_data *hv = dev->data->dev_private;
+	int i, ret;
 
 	PMD_INIT_FUNC_TRACE();
 	dev->data->dev_started = 0;
 
 	rte_dev_event_callback_unregister(NULL, netvsc_hotadd_callback, hv);
 	hn_rndis_set_rxfilter(hv, 0);
-	return hn_vf_stop(dev);
+	ret = hn_vf_stop(dev);
+
+	for (i = 0; i < hv->num_queues; i++) {
+		dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+		dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+	}
+
+	return ret;
 }
 
 static int
-- 
2.34.1