datapath: Cleanup compat support.

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

diff --git a/datapath/linux/compat/include/linux/skbuff.h b/datapath/linux/compat/include/linux/skbuff.h
index 461e07c..a486096 100644 (file)
--- a/datapath/linux/compat/include/linux/skbuff.h
+++ b/datapath/linux/compat/include/linux/skbuff.h
@@ -5,17 +5,6 @@
 
 #include <linux/version.h>
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-/* In version 2.6.24 the return type of skb_headroom() changed from 'int' to
- * 'unsigned int'.  We use skb_headroom() as one arm of a min(a,b) invocation
- * in make_writable() in actions.c, so we need the correct type. */
-#define skb_headroom rpl_skb_headroom
-static inline unsigned int rpl_skb_headroom(const struct sk_buff *skb)
-{
-       return skb->data - skb->head;
-}
-#endif
-
 #ifndef HAVE_SKB_COPY_FROM_LINEAR_DATA_OFFSET
 static inline void skb_copy_from_linear_data_offset(const struct sk_buff *skb,
                                                    const int offset, void *to,
@@ -82,13 +71,6 @@ static inline int skb_cow_head(struct sk_buff *skb, unsigned int headroom)
 }
 #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)
-{
-       return false;
-}
-#endif
-
 #ifndef HAVE_SKB_DST_ACCESSOR_FUNCS
 static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
 {
@@ -106,18 +88,6 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb)
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-/* Emulate Linux 2.6.17 and later behavior, in which kfree_skb silently ignores
- * null pointer arguments. */
-#define kfree_skb(skb) kfree_skb_maybe_null(skb)
-static inline void kfree_skb_maybe_null(struct sk_buff *skb)
-{
-       if (likely(skb != NULL))
-               (kfree_skb)(skb);
-}
-#endif
-
-
 #ifndef CHECKSUM_PARTIAL
 #define CHECKSUM_PARTIAL CHECKSUM_HW
 #endif
@@ -196,21 +166,6 @@ static inline void skb_copy_to_linear_data(struct sk_buff *skb,
 }
 #endif /* !HAVE_SKBUFF_HEADER_HELPERS */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
-#warning "TSO/UFO not supported on kernels earlier than 2.6.18"
-
-static inline int skb_is_gso(const struct sk_buff *skb)
-{
-       return 0;
-}
-
-static inline struct sk_buff *skb_gso_segment(struct sk_buff *skb,
-                                             int features)
-{
-       return NULL;
-}
-#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)