| From | Luis Henriques <> | Subject | [PATCH 3.11 134/137] macvlan: Initialize vlan_features to turn on offload support. | Date | Mon, 18 Aug 2014 10:33:15 +0100 |
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3.11.10.15 -stable review patch. If anyone has any objections, please let me know.
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From: Vlad Yasevich <vyasevic@redhat.com>
commit 081e83a78db9b0ae1f5eabc2dedecc865f509b98 upstream.
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> [ luis: backported to 3.11: adjusted context ] Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/net/macvlan.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 123c37f4f8d5..1a9fe5776596 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -503,6 +503,7 @@ static int macvlan_init(struct net_device *dev) (lowerdev->state & MACVLAN_STATE_MASK); dev->features = lowerdev->features & MACVLAN_FEATURES; dev->features |= NETIF_F_LLTX; + 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; -- 1.9.1
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