gre: Add support for path MTU discovery.

[openvswitch] / datapath / linux-2.6 / compat-2.6 / include / linux / skbuff.h

diff --git a/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h b/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h
index 349e504ce932cc199a6d8788146f0808271f25a3..6a6b0950be27c3283cb3c3fe59ac7fdcd6acc083 100644 (file)
--- a/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h
@@ -229,4 +229,17 @@ static inline bool skb_warn_if_lro(const struct sk_buff *skb)
 #endif /* NETIF_F_LRO */
 #endif /* kernel < 2.6.27 */
 
+#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 */
+
+
 #endif