[PATCH 22/36] net/netvsc: fix Rx and Tx queue state

[Jie Hai]

The DPDK framework reports the queue state, which is stored in
dev->data->tx_queue_state and dev->data->rx_queue_state. The
state is maintained by the driver. Users may determine whether
a queue participates in packet forwarding based on the state.
Therefore, the driver needs to modify the queue state in time
according to the actual situation.

Fixes: 9ad9ff476cac ("ethdev: add queue state in queried queue information")
Cc: sta...@dpdk.org

Signed-off-by: Jie Hai <haij...@huawei.com>
---
 drivers/net/netvsc/hn_ethdev.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index d0bbc0a4c0c0..f778e3c64649 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -990,6 +990,7 @@ static int
 hn_dev_start(struct rte_eth_dev *dev)
 {
        struct hn_data *hv = dev->data->dev_private;
+       uint16_t i;
        int error;
 
        PMD_INIT_FUNC_TRACE();
@@ -1017,6 +1018,11 @@ hn_dev_start(struct rte_eth_dev *dev)
        if (error == 0)
                hn_dev_link_update(dev, 0);
 
+       for (i = 0; i < dev->data->nb_rx_queues; i++)
+               dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+       for (i = 0; i < dev->data->nb_tx_queues; i++)
+               dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+
        return error;
 }
 
@@ -1024,10 +1030,16 @@ static int
 hn_dev_stop(struct rte_eth_dev *dev)
 {
        struct hn_data *hv = dev->data->dev_private;
+       uint16_t i;
 
        PMD_INIT_FUNC_TRACE();
        dev->data->dev_started = 0;
 
+       for (i = 0; i < dev->data->nb_rx_queues; i++)
+               dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+       for (i = 0; i < dev->data->nb_tx_queues; i++)
+               dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+
        rte_dev_event_callback_unregister(NULL, netvsc_hotadd_callback, hv);
        hn_rndis_set_rxfilter(hv, 0);
        return hn_vf_stop(dev);
-- 
2.30.0