return pskb_expand_head(skb, nhead, ntail, GFP_ATOMIC);
}
+/* Children define the path of the packet through the
+ * Linux networking. Thus, destinations are stackable.
+ */
+
+static struct dst_entry *skb_dst_pop(struct sk_buff *skb)
+{
+ struct dst_entry *child = dst_clone(skb_dst(skb)->child);
+
+ skb_dst_drop(skb);
+ return child;
+}
+
static int xfrm_output_one(struct sk_buff *skb, int err)
{
struct dst_entry *dst = skb_dst(skb);