esp6_input_done2
int esp6_input_done2(struct sk_buff *skb, int err);
EXPORT_SYMBOL_GPL(esp6_input_done2);
xfrm_input_resume(skb, esp6_input_done2(skb, err));
ret = esp6_input_done2(skb, ret);
return esp6_input_done2(skb, 0);