net/txgbe: fix link up and down

[ upstream commit 2e1ecb4 ]

Add hw->dev_start status in the flow of setting link up/down, to avoid
obtaining link status inconsistent with the settings.

Fixes: 12a653e ("net/txgbe: fix link status when device stopped")

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>

drivers/net/txgbe/txgbe_ethdev.c

@@ -1937,6 +1937,7 @@ txgbe_dev_set_link_up(struct rte_eth_dev *dev)
 	} else {
 		/* Turn on the laser */
 		hw->mac.enable_tx_laser(hw);
+		hw->dev_start = true;
 		txgbe_dev_link_update(dev, 0);
 	}
 
@@ -1957,6 +1958,7 @@ txgbe_dev_set_link_down(struct rte_eth_dev *dev)
 	} else {
 		/* Turn off the laser */
 		hw->mac.disable_tx_laser(hw);
+		hw->dev_start = false;
 		txgbe_dev_link_update(dev, 0);
 	}