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

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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);