int ip_finish_output(struct sk_buff *skb)
static int ip_finish_output(struct sk_buff *skb)
int ip_finish_output(struct sk_buff *skb){	struct net_device *dev = skb->dst->dev;	skb->dev = dev;	skb->protocol = htons(ETH_P_IP);	return NF_HOOK(PF_INET, NF_IP_POST_ROUTING, skb, NULL, dev,		       ip_finish_output2);}