@@ -769,7 +769,8 @@ static void do_output(struct datapath *dp, struct sk_buff *skb, int out_port,
pskb_trim(skb, ETH_HLEN);
}
- if (likely(!mru || (skb->len <= mru + ETH_HLEN))) {
+ if (likely(!mru ||
+ (skb->len <= mru + vport->dev->hard_header_len))) {
ovs_vport_send(vport, skb);
} else if (mru <= vport->dev->mtu) {
struct net *net = ovs_dp_get_net(dp);
@@ -525,9 +525,10 @@ void ovs_vport_deferred_free(struct vport *vport)
}
EXPORT_SYMBOL_GPL(ovs_vport_deferred_free);
-static unsigned int packet_length(const struct sk_buff *skb)
+static unsigned int packet_length(const struct sk_buff *skb,
+ struct net_device *dev)
{
- unsigned int length = skb->len - ETH_HLEN;
+ unsigned int length = skb->len - dev->hard_header_len;
if (skb->protocol == htons(ETH_P_8021Q))
length -= VLAN_HLEN;
@@ -539,10 +540,11 @@ void ovs_vport_send(struct vport *vport, struct sk_buff *skb)
{
int mtu = vport->dev->mtu;
- if (unlikely(packet_length(skb) > mtu && !skb_is_gso(skb))) {
+ if (unlikely(packet_length(skb, vport->dev) > mtu &&
+ !skb_is_gso(skb))) {
net_warn_ratelimited("%s: dropped over-mtu packet: %d > %d\n",
vport->dev->name,
- packet_length(skb), mtu);
+ packet_length(skb, vport->dev), mtu);
vport->dev->stats.tx_errors++;
goto drop;
}