net/igc: fix Rx and Tx queue status

[ upstream commit 921ff14280ed8ba7b9d0a898046cf5eadf3d4c8e ]

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: a5aeb2b ("net/igc: support Rx and Tx")

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

drivers/net/igc/igc_txrx.c

@@ -1291,6 +1291,7 @@ 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;
@@ -1934,6 +1935,7 @@ 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;
 		}
 	}
 
@@ -1942,6 +1944,7 @@ 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;
 		}
 	}
 }
@@ -2187,6 +2190,7 @@ 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;
 	}
 
 	igc_config_collision_dist(hw);