| Message ID | 1376681102-19753-4-git-send-email-vyasevic@redhat.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Vlad Yasevich <vyasevic@redhat.com> Date: Fri, 16 Aug 2013 15:25:02 -0400 > 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> Applied. -- 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/macvtap.c b/drivers/net/macvtap.c index 4acfbce..ea53abb 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);
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> --- drivers/net/macvtap.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)