From: Chunhe Li <lichu...@huawei.com>
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 <lichu...@huawei.com>
---
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
dev@openvswitch.org
http://openvswitch.org/mailman/listinfo/dev
