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xen: netfront: assume all hw features are available until backend connection setup 

We need to assume that all features will be available when registering the
netdev otherwise they are ommitted from the initial set of
dev->wanted_features. When we connect to the backed we reduce the set as
necessary due to the call to netdev_update_features() in xennet_connect().

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ian Campbell 2011-04-04 11:07:57 -07:00 committed by David S. Miller
parent 083dd8b8aa
commit fc3e594124
1 changed files with 8 additions and 0 deletions
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8
drivers/net/xen-netfront.c
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@ -1251,6 +1251,14 @@ static struct net_device * __devinit xennet_create_dev(struct xenbus_device *dev
NETIF_F_GSO_ROBUST;
netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO;
/*
* Assume that all hw features are available for now. This set
* will be adjusted by the call to netdev_update_features() in
* xennet_connect() which is the earliest point where we can
* negotiate with the backend regarding supported features.
*/
netdev->features |= netdev->hw_features;
SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops);
SET_NETDEV_DEV(netdev, &dev->dev);