ixgbe: Enable L2 header split in 82599

This enables L2 header split when packet split is enabled for 82599.
Signed-off-by: NYi Zou <yi.zou@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_main.c

@@ -1818,7 +1818,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 			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 {

drivers/net/ixgbe/ixgbe_type.h

@@ -1604,6 +1604,7 @@
 #define IXGBE_PSRTYPE_UDPHDR    0x00000020
 #define IXGBE_PSRTYPE_IPV4HDR   0x00000100
 #define IXGBE_PSRTYPE_IPV6HDR   0x00000200
+#define IXGBE_PSRTYPE_L2HDR     0x00001000
 
 /* SRRCTL bit definitions */
 #define IXGBE_SRRCTL_BSIZEPKT_SHIFT     10     /* so many KBs */