From: Chunhe Li <[email protected]> If the internal device is not up, it should drop received packets. Sometimes it receive the broadcast or multicast packets, and the ip protocol stack will casue more cpu usage wasted.
Signed-off-by: Chunhe Li <[email protected]> --- datapath/vport-internal_dev.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c index 3b0f9a7..b0e1b24 100644 --- a/datapath/vport-internal_dev.c +++ b/datapath/vport-internal_dev.c @@ -242,6 +242,11 @@ static int internal_dev_recv(struct vport *vport, struct sk_buff *skb) struct net_device *netdev = netdev_vport_priv(vport)->dev; int len; + if (netdev && !(netdev->flags & IFF_UP)) { + kfree_skb(skb); + return 0; + } + #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) if (vlan_tx_tag_present(skb)) { if (unlikely(!__vlan_put_tag(skb, -- 1.9.2.0 _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev
