X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Flinux-2.6%2Fcompat-2.6%2Finclude%2Flinux%2Fskbuff.h;h=15acea9e63565506c062e622b9d5ca81671243e8;hb=4eb26d3cd41b6bcbd3e12e85bc9e4f36f47eb430;hp=edeba5ae26b334e650ffed79f392fc0b2a19bdaf;hpb=db12f2fc076e2d5bb5ae364e217ca2d84c8b0154;p=sliver-openvswitch.git

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 edeba5ae2..15acea9e6 100644
--- a/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/skbuff.h
@@ -53,7 +53,7 @@ static inline void skb_copy_to_linear_data_offset(struct sk_buff *skb,
 #define NET_SKB_PAD	16
 #endif
 
-#ifndef HAVE_SKB_COW
+#ifndef HAVE_SKB_COW_HEAD
 static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
                             int cloned)
 {
@@ -74,7 +74,7 @@ static inline int skb_cow_head(struct sk_buff *skb, unsigned int headroom)
 {
 	return __skb_cow(skb, headroom, skb_header_cloned(skb));
 }
-#endif  /* !HAVE_SKB_COW */
+#endif	/* !HAVE_SKB_COW_HEAD */
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
 static inline int skb_clone_writable(struct sk_buff *skb, int len)
@@ -83,7 +83,7 @@ static inline int skb_clone_writable(struct sk_buff *skb, int len)
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
+#ifndef HAVE_SKB_DST_ACCESSOR_FUNCS
 static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
 {
 	return (struct dst_entry *)skb->dst;
@@ -113,9 +113,7 @@ static inline void kfree_skb_maybe_null(struct sk_buff *skb)
 
 
 #ifndef CHECKSUM_PARTIAL
-/* Note that CHECKSUM_PARTIAL is not implemented, but this allows us to at
- * least test against it: see update_csum() in forward.c. */
-#define CHECKSUM_PARTIAL 3
+#define CHECKSUM_PARTIAL CHECKSUM_HW
 #endif
 #ifndef CHECKSUM_COMPLETE
 #define CHECKSUM_COMPLETE CHECKSUM_HW
@@ -149,6 +147,11 @@ static inline unsigned char *skb_network_header(const struct sk_buff *skb)
 	return skb->nh.raw;
 }
 
+static inline void skb_reset_network_header(struct sk_buff *skb)
+{
+	skb->nh.raw = skb->data;
+}
+
 static inline void skb_set_network_header(struct sk_buff *skb, const int offset)
 {
 	skb->nh.raw = skb->data + offset;
@@ -202,4 +205,40 @@ static inline struct sk_buff *skb_gso_segment(struct sk_buff *skb,
 }
 #endif	/* before 2.6.18 */
 
+#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 */
+
+
 #endif