diff options
| author | Vlad Yasevich <vyasevic@redhat.com> | 2013-08-16 15:25:02 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-20 13:09:12 -0700 |
| commit | e5733321d5a94cc9a202ea85c4aabe09571217e6 (patch) | |
| tree | 015082f759ea15c94ccce946e9c173d213e50b36 | |
| parent | e558b0188bb7e35ffc4d35253c6b9ea491f3b996 (diff) | |
macvtap: Ignore tap features when VNET_HDR is off
When the user turns off VNET_HDR support on the
macvtap device, there is no way to provide any
offload information to the user. So, it's safer
to ignore offload setting then depend on the user
setting them correctly.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/macvtap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 4acfbce63a7d..ea53abb20988 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -290,9 +290,11 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) skb->dev = dev; /* Apply the forward feature mask so that we perform segmentation - * according to users wishes. + * according to users wishes. This only works if VNET_HDR is + * enabled. */ - features |= vlan->tap_features; + if (q->flags & IFF_VNET_HDR) + features |= vlan->tap_features; if (netif_needs_gso(skb, features)) { struct sk_buff *segs = __skb_gso_segment(skb, features, false); |