]> err.no Git - linux-2.6/blobdiff - include/linux/skbuff.h
[PATCH] hwmon: hwmon vs i2c, second round (07/11)
[linux-2.6] / include / linux / skbuff.h
index db10335e4192b773510c6e0d54b2479f82e88da1..42edce6abe2349fc428c6321f81af81578ca5cb2 100644 (file)
@@ -162,6 +162,13 @@ struct skb_timeval {
        u32     off_usec;
 };
 
+
+enum {
+       SKB_FCLONE_UNAVAILABLE,
+       SKB_FCLONE_ORIG,
+       SKB_FCLONE_CLONE,
+};
+
 /** 
  *     struct sk_buff - socket buffer
  *     @next: Next buffer in list
@@ -255,7 +262,8 @@ struct sk_buff {
                                ip_summed:2,
                                nohdr:1,
                                nfctinfo:3;
-       __u8                    pkt_type;
+       __u8                    pkt_type:3,
+                               fclone:2;
        __be16                  protocol;
 
        void                    (*destructor)(struct sk_buff *skb);
@@ -295,8 +303,20 @@ struct sk_buff {
 #include <asm/system.h>
 
 extern void           __kfree_skb(struct sk_buff *skb);
-extern struct sk_buff *alloc_skb(unsigned int size,
-                                unsigned int __nocast priority);
+extern struct sk_buff *__alloc_skb(unsigned int size,
+                                  unsigned int __nocast priority, int fclone);
+static inline struct sk_buff *alloc_skb(unsigned int size,
+                                       unsigned int __nocast priority)
+{
+       return __alloc_skb(size, priority, 0);
+}
+
+static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
+                                              unsigned int __nocast priority)
+{
+       return __alloc_skb(size, priority, 1);
+}
+
 extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
                                            unsigned int size,
                                            unsigned int __nocast priority);