datapath: Backport net_warn_ratelimited() and friends.

[openvswitch] / 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 456d7446736c357e6467b1f5cbb66f9058fb384d..01e524ef717d37c9ea9982e39d1161948e296cf7 100644 (file)
--- a/datapath/linux/compat/include/linux/skbuff.h
+++ b/datapath/linux/compat/include/linux/skbuff.h
@@ -34,6 +34,12 @@ static inline void skb_copy_to_linear_data_offset(struct sk_buff *skb,
 
 #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
@@ -239,4 +245,10 @@ static inline struct page *skb_frag_page(const skb_frag_t *frag)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,40)
+static inline void skb_reset_mac_len(struct sk_buff *skb)
+{
+       skb->mac_len = skb->network_header - skb->mac_header;
+}
+#endif
 #endif