#endif /* !HAVE_SKB_COPY_FROM_LINEAR_DATA_OFFSET */
+#ifndef HAVE_SKB_RESET_TAIL_POINTER
+static inline void skb_reset_tail_pointer(struct sk_buff *skb)
+{
+ skb->tail = skb->data;
+}
+#endif
/*
* The networking layer reserves some headroom in skb data (via
* dev_alloc_skb). This is used to avoid having to reallocate skb data when
#define consume_skb kfree_skb
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
+#ifndef HAVE_SKB_FRAG_PAGE
static inline struct page *skb_frag_page(const skb_frag_t *frag)
{
return frag->page;
}
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,40)
+#ifndef HAVE_SKB_RESET_MAC_LEN
static inline void skb_reset_mac_len(struct sk_buff *skb)
{
skb->mac_len = skb->network_header - skb->mac_header;
}
#endif
+
+#ifndef HAVE_SKB_UNCLONE
+static inline int skb_unclone(struct sk_buff *skb, gfp_t pri)
+{
+ might_sleep_if(pri & __GFP_WAIT);
+
+ if (skb_cloned(skb))
+ return pskb_expand_head(skb, 0, 0, pri);
+
+ return 0;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
+extern u32 __skb_get_rxhash(struct sk_buff *skb);
+static inline __u32 skb_get_rxhash(struct sk_buff *skb)
+{
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,34)
+ if (!skb->rxhash)
+#endif
+ return __skb_get_rxhash(skb);
+}
+#endif
+
#endif