datapath: Add configure test for skb_warn_if_lro().

[sliver-openvswitch.git] / 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 349e504..e8dc72e 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
@@ -205,16 +205,15 @@ static inline struct sk_buff *skb_gso_segment(struct sk_buff *skb,
 }
 #endif /* before 2.6.18 */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-
-extern void __skb_warn_lro_forwarding(const struct sk_buff *skb);
-
+#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
@@ -227,6 +226,19 @@ static inline bool skb_warn_if_lro(const struct sk_buff *skb)
        return false;
 }
 #endif /* NETIF_F_LRO */
-#endif /* kernel < 2.6.27 */
+#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 */
+
 
 #endif