igc: Add SCTP CRC checksumming functionality

Add stream control transmission protocol CRC checksum.
Signed-off-by: NSasha Neftin <sasha.neftin@intel.com>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igc/igc_main.c

@@ -4211,6 +4211,7 @@ static int igc_probe(struct pci_dev *pdev,
 
 	/* Add supported features to the features list*/
 	netdev->features |= NETIF_F_HW_CSUM;
+	netdev->features |= NETIF_F_SCTP_CRC;
 
 	/* setup the private structure */
 	err = igc_sw_init(adapter);