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Commit 081e83a7 authored by Vlad Yasevich's avatar Vlad Yasevich Committed by David S. Miller
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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: default avatarVlad Yasevich <vyasevic@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 47fab41a

drivers/net/macvlan.c

+1 −0
Original line number Diff line number Diff line
@@ -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;