On 7/23/15 8:22 AM, Nicolas Dichtel wrote:
static netdev_tx_t loopback_xmit(struct sk_buff *skb,
struct net_device *dev)
{
+ int nsid = skb_lwt_netns_info(skb);
struct pcpu_lstats *lb_stats;
int len;
+ if (nsid >= 0) {
+ struct net *peernet = get_net_ns_by_id(dev_net(dev), nsid);
+
+ if (!peernet) {
If nsid is > 0 then the peer namespace should exist right? So for this
failure path why not increment tx_error stat?
+ kfree_skb(skb);
+ goto end;
+ }
+
+ dev_forward_skb(peernet->loopback_dev, skb);
+ put_net(peernet);
+ goto end;
+ }
+
skb_orphan(skb);
/* Before queueing this packet to netif_rx(),
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