net/txgbe: reconfigure MAC Rx when link update

[ upstream commit 950a6954df134f8bff41fc7ad541a9c9730a4201 ]

Fix the bug that after setting flow control parameters, link status
change (for example, hot-plug SFP module) causes the port to no longer
receive packets.

Fixes: 0c061ea ("net/txgbe: add link status change")

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

drivers/net/txgbe/txgbe_ethdev.c

@@ -2540,6 +2540,11 @@ txgbe_dev_link_update_share(struct rte_eth_dev *dev,
 		break;
 	}
 
+	/* Re configure MAC RX */
+	if (hw->mac.type == txgbe_mac_raptor)
+		wr32m(hw, TXGBE_MACRXFLT, TXGBE_MACRXFLT_PROMISC,
+			TXGBE_MACRXFLT_PROMISC);
+
 	return rte_eth_linkstatus_set(dev, &link);
 }