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vlan: Add ethtool support

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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>
This commit is contained in:
Patrick McHardy 2008-07-08 03:22:42 -07:00 committed by David S. Miller
parent 26a25239d7
commit 75b8846acd
1 changed files with 18 additions and 0 deletions
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18
net/8021q/vlan_dev.c
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@ -28,6 +28,7 @@
#include <linux/skbuff.h> #include <linux/skbuff.h>
#include <linux/netdevice.h> #include <linux/netdevice.h>
#include <linux/etherdevice.h> #include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <net/datalink.h> #include <net/datalink.h>
#include <net/p8022.h> #include <net/p8022.h>
#include <net/arp.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) void vlan_setup(struct net_device *dev)
{ {
ether_setup(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->change_rx_flags = vlan_dev_change_rx_flags;
dev->do_ioctl = vlan_dev_ioctl; dev->do_ioctl = vlan_dev_ioctl;
dev->destructor = free_netdev; dev->destructor = free_netdev;
dev->ethtool_ops = &vlan_ethtool_ops;
memset(dev->broadcast, 0, ETH_ALEN); memset(dev->broadcast, 0, ETH_ALEN);
} }