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macvlan: Initialize vlan_features to turn on offload support. 

Macvlan devices do not initialize vlan_features.  As a result,
any vlan devices configured on top of macvlans perform very poorly.
Initialize vlan_features based on the vlan features of the lower-level
device.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Vlad Yasevich 2014-07-31 10:30:25 -04:00 committed by David S. Miller
parent 47fab41ab5
commit 081e83a78d
1 changed files with 1 additions and 0 deletions
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drivers/net/macvlan.c
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@ -646,6 +646,7 @@ static int macvlan_init(struct net_device *dev)
(lowerdev->state & MACVLAN_STATE_MASK);
dev->features = lowerdev->features & MACVLAN_FEATURES;
dev->features |= ALWAYS_ON_FEATURES;
dev->vlan_features = lowerdev->vlan_features & MACVLAN_FEATURES;
dev->gso_max_size = lowerdev->gso_max_size;
dev->iflink = lowerdev->ifindex;
dev->hard_header_len = lowerdev->hard_header_len;