ixgbe: Enable L2 header split in 82599

This enables L2 header split when packet split is enabled for 82599.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d64a2d7..01d8b6b 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1818,7 +1818,8 @@
 			u32 psrtype = IXGBE_PSRTYPE_TCPHDR |
 			              IXGBE_PSRTYPE_UDPHDR |
 			              IXGBE_PSRTYPE_IPV4HDR |
-			              IXGBE_PSRTYPE_IPV6HDR;
+			              IXGBE_PSRTYPE_IPV6HDR |
+			              IXGBE_PSRTYPE_L2HDR;
 			IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype);
 		}
 	} else {