| Message ID | 1406817025-17738-1-git-send-email-vyasevic@redhat.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Vlad Yasevich <vyasevic@redhat.com> Date: Thu, 31 Jul 2014 10:30:25 -0400 > 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> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 958df38..ef8a5c2 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -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;
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> --- drivers/net/macvlan.c | 1 + 1 file changed, 1 insertion(+)