From c622970f83e756f8e914c945d2b1044a2b21c158 Mon Sep 17 00:00:00 2001
From: Pravin B Shelar <pshelar@nicira.com>
Date: Sat, 2 Mar 2013 23:53:52 -0800
Subject: [PATCH] datapath: Backport skb_frag_ functions
Define accessors skb_frag_* functions whch were introduced in 3.2
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
---
datapath/linux/compat/include/linux/skbuff.h | 28 ++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/datapath/linux/compat/include/linux/skbuff.h b/datapath/linux/compat/include/linux/skbuff.h
index a5f87020b..be134d724 100644
--- a/datapath/linux/compat/include/linux/skbuff.h
+++ b/datapath/linux/compat/include/linux/skbuff.h
@@ -194,6 +194,34 @@ static inline struct page *skb_frag_page(const skb_frag_t *frag)
{
return frag->page;
}
+
+static inline void __skb_frag_set_page(skb_frag_t *frag, struct page *page)
+{
+ frag->page = page;
+}
+static inline void skb_frag_size_set(skb_frag_t *frag, unsigned int size)
+{
+ frag->size = size;
+}
+static inline void __skb_frag_ref(skb_frag_t *frag)
+{
+ get_page(skb_frag_page(frag));
+}
+static inline void __skb_frag_unref(skb_frag_t *frag)
+{
+ put_page(skb_frag_page(frag));
+}
+
+static inline void skb_frag_ref(struct sk_buff *skb, int f)
+{
+ __skb_frag_ref(&skb_shinfo(skb)->frags[f]);
+}
+
+static inline void skb_frag_unref(struct sk_buff *skb, int f)
+{
+ __skb_frag_unref(&skb_shinfo(skb)->frags[f]);
+}
+
#endif
#ifndef HAVE_SKB_RESET_MAC_LEN
--
2.47.0