+static inline bool skb_has_frags(const struct sk_buff *skb)
+{
+ return skb_shinfo(skb)->frag_list != NULL;
+}
+
+static inline void skb_frag_list_init(struct sk_buff *skb)
+{
+ skb_shinfo(skb)->frag_list = NULL;
+}
+
+static inline void skb_frag_add_head(struct sk_buff *skb, struct sk_buff *frag)
+{
+ frag->next = skb_shinfo(skb)->frag_list;
+ skb_shinfo(skb)->frag_list = frag;
+}
+
+#define skb_walk_frags(skb, iter) \
+ for (iter = skb_shinfo(skb)->frag_list; iter; iter = iter->next)
+