[NET]: IPV6 checksum offloading in network devices

[net-next-2.6.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e7913ee5581cc6474463aa88c1e02077a8cf4746..7a8f22fb4eee3e859600517123767f52a6c3102b 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -314,9 +314,10 @@ struct net_device
        /* Net device features */
        unsigned long           features;
 #define NETIF_F_SG             1       /* Scatter/gather IO. */
-#define NETIF_F_IP_CSUM                2       /* Can checksum only TCP/UDP over IPv4. */
+#define NETIF_F_IP_CSUM                2       /* Can checksum TCP/UDP over IPv4. */
 #define NETIF_F_NO_CSUM                4       /* Does not require checksum. F.e. loopack. */
 #define NETIF_F_HW_CSUM                8       /* Can checksum all the packets. */
+#define NETIF_F_IPV6_CSUM      16      /* Can checksum TCP/UDP over IPV6 */
 #define NETIF_F_HIGHDMA                32      /* Can DMA to high memory. */
 #define NETIF_F_FRAGLIST       64      /* Scatter/gather IO. */
 #define NETIF_F_HW_VLAN_TX     128     /* Transmit VLAN hw acceleration */
@@ -338,8 +339,11 @@ struct net_device
        /* List of features with software fallbacks. */
 #define NETIF_F_GSO_SOFTWARE   (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
 
+
 #define NETIF_F_GEN_CSUM       (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
-#define NETIF_F_ALL_CSUM       (NETIF_F_IP_CSUM | NETIF_F_GEN_CSUM)
+#define NETIF_F_V4_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
+#define NETIF_F_V6_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
+#define NETIF_F_ALL_CSUM       (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
 
        struct net_device       *next_sched;