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authorPatrick McHardy <kaber@trash.net>2008-05-20 14:54:50 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-20 14:54:50 -0700
commit5fb13570543f4ae022996c9d7c0c099c8abf22dd (patch)
treebf0f837d4b2dd778c32cf8fcf719913203f1cd39 /include/linux/netdevice.h
parent7ff6e6f779960e1078a78b60a881571c04f52b9b (diff)
[VLAN]: Propagate selected feature bits to VLAN devices
Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b11e6e19e96c..2b0266484c84 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -514,10 +514,12 @@ struct net_device
#define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */
#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
#define NETIF_F_LRO 32768 /* large receive offload */
+#define NETIF_F_VLAN_TSO 65536 /* Supports TSO for VLANs */
+#define NETIF_F_VLAN_CSUM 131072 /* Supports TX checksumming for VLANs */
/* Segmentation offload features */
-#define NETIF_F_GSO_SHIFT 16
-#define NETIF_F_GSO_MASK 0xffff0000
+#define NETIF_F_GSO_SHIFT 20
+#define NETIF_F_GSO_MASK 0xfff00000
#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)