[PATCH v2 2/3] net/igc: fix Rx and Tx queue status get

[Qiming Yang]

Igc driver don't enable queue start/stop functions, queue status is not
updated when the HW queue enabled or disabled. It caused application can't
get correct queue status.
This patch fixes the issue by updating the queue states when the queue is
disabled or enabled.

Fixes: a5aeb2b9e225 ("net/igc: support Rx and Tx")
Cc: stable at dpdk.org

Signed-off-by: Qiming Yang <qiming.yang at intel.com>
Signed-off-by: Mingjin Ye <mingjinx.ye at intel.com>
---
 drivers/net/igc/igc_txrx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/igc/igc_txrx.c b/drivers/net/igc/igc_txrx.c
index c11b6f7f25..5c60e3e997 100644
--- a/drivers/net/igc/igc_txrx.c
+++ b/drivers/net/igc/igc_txrx.c
@@ -1215,6 +1215,7 @@ igc_rx_init(struct rte_eth_dev *dev)
 			dvmolr |= IGC_DVMOLR_STRCRC;
 
 		IGC_WRITE_REG(hw, IGC_DVMOLR(rxq->reg_idx), dvmolr);
+		dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
 	}
 
 	return 0;
@@ -1888,6 +1889,7 @@ igc_dev_clear_queues(struct rte_eth_dev *dev)
 		if (txq != NULL) {
 			igc_tx_queue_release_mbufs(txq);
 			igc_reset_tx_queue(txq);
+			dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
 		}
 	}
 
@@ -1896,6 +1898,7 @@ igc_dev_clear_queues(struct rte_eth_dev *dev)
 		if (rxq != NULL) {
 			igc_rx_queue_release_mbufs(rxq);
 			igc_reset_rx_queue(rxq);
+			dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
 		}
 	}
 }
@@ -2143,6 +2146,7 @@ igc_tx_init(struct rte_eth_dev *dev)
 				IGC_TXDCTL_WTHRESH_MSK;
 		txdctl |= IGC_TXDCTL_QUEUE_ENABLE;
 		IGC_WRITE_REG(hw, IGC_TXDCTL(txq->reg_idx), txdctl);
+		dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
 	}
 
 	if (offloads & RTE_ETH_TX_OFFLOAD_SEND_ON_TIMESTAMP) {
-- 
2.25.1