- struct iphdr *iph = (struct iphdr*)skb->data;
- struct ip_esp_hdr *esph = (struct ip_esp_hdr*)(skb->data+(iph->ihl<<2));
+ struct net *net = dev_net(skb->dev);
+ struct iphdr *iph = (struct iphdr *)skb->data;
+ struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));