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authorPatrick McHardy <kaber@trash.net>2008-07-08 03:22:42 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-08 03:22:42 -0700
commit75b8846acd11ad3fc736d4df3413fe946bbf367c (patch)
tree78a96fe42916ac18e4d992eb3024e8427fb42eb3 /net
parent26a25239d7a660cc7162e2463b48b40d544364d0 (diff)
downloadlinux-75b8846acd11ad3fc736d4df3413fe946bbf367c.tar.bz2
vlan: Add ethtool support
Add ethtool support for querying the device for offload settings. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/8021q/vlan_dev.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 88f318a9601d..722697d31e4f 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -28,6 +28,7 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
#include <net/datalink.h>
#include <net/p8022.h>
#include <net/arp.h>
@@ -716,6 +717,22 @@ static void vlan_dev_uninit(struct net_device *dev)
}
}
+static u32 vlan_ethtool_get_rx_csum(struct net_device *dev)
+{
+ const struct vlan_dev_info *vlan = vlan_dev_info(dev);
+ struct net_device *real_dev = vlan->real_dev;
+
+ if (real_dev->ethtool_ops == NULL ||
+ real_dev->ethtool_ops->get_rx_csum == NULL)
+ return 0;
+ return real_dev->ethtool_ops->get_rx_csum(real_dev);
+}
+
+static const struct ethtool_ops vlan_ethtool_ops = {
+ .get_link = ethtool_op_get_link,
+ .get_rx_csum = vlan_ethtool_get_rx_csum,
+};
+
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
@@ -734,6 +751,7 @@ void vlan_setup(struct net_device *dev)
dev->change_rx_flags = vlan_dev_change_rx_flags;
dev->do_ioctl = vlan_dev_ioctl;
dev->destructor = free_netdev;
+ dev->ethtool_ops = &vlan_ethtool_ops;
memset(dev->broadcast, 0, ETH_ALEN);
}