X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Flinux-2.6%2Fcompat-2.6%2Finclude%2Flinux%2Fskbuff.h;h=d9f043ac6442960e8f5841b06dd070b1881a86da;hb=a4af00400a835eb87569ba40e21874c05e872c0f;hp=dd9bfa37272d5e0f1eaef9476c683689776447e5;hpb=58fda1dab104041fc693032475ec4662c1a52849;p=openvswitch

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 dd9bfa37..d9f043ac 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
@@ -76,6 +76,29 @@ static inline int skb_cow_head(struct sk_buff *skb, unsigned int headroom)
 }
 #endif  /* !HAVE_SKB_COW */
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
+static inline int skb_clone_writable(struct sk_buff *skb, int len)
+{
+	return false;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
+static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
+{
+	return (struct dst_entry *)skb->dst;
+}
+
+static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)
+{
+	skb->dst = dst;
+}
+
+static inline struct rtable *skb_rtable(const struct sk_buff *skb)
+{
+	return (struct rtable *)skb->dst;
+}
+#endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
 /* Emulate Linux 2.6.17 and later behavior, in which kfree_skb silently ignores 
@@ -90,9 +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
@@ -101,6 +122,7 @@ static inline void kfree_skb_maybe_null(struct sk_buff *skb)
 #ifdef HAVE_MAC_RAW
 #define mac_header mac.raw
 #define network_header nh.raw
+#define transport_header h.raw
 #endif
 
 #ifndef HAVE_SKBUFF_HEADER_HELPERS
@@ -125,6 +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;