+#ifndef HAVE_SKB_WARN_LRO
+#ifndef NETIF_F_LRO
+static inline bool skb_warn_if_lro(const struct sk_buff *skb)
+{
+ return false;
+}
+#else
+extern void __skb_warn_lro_forwarding(const struct sk_buff *skb);
+
+static inline bool skb_warn_if_lro(const struct sk_buff *skb)
+{
+ /* LRO sets gso_size but not gso_type, whereas if GSO is really
+ * wanted then gso_type will be set. */
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
+ if (shinfo->gso_size != 0 && unlikely(shinfo->gso_type == 0)) {
+ __skb_warn_lro_forwarding(skb);
+ return true;
+ }
+ return false;
+}
+#endif /* NETIF_F_LRO */
+#endif /* HAVE_SKB_WARN_LRO */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
+static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length)
+{
+ struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
+
+ if (NET_IP_ALIGN && skb)
+ skb_reserve(skb, NET_IP_ALIGN);
+ return skb;
+}
+#endif /* kernel < 2.6.33 */
+
+