Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bbd8d00..ff72145 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -256,7 +256,10 @@ struct sk_buff {
        ktime_t                 tstamp;
        struct net_device       *dev;
 
-       struct  dst_entry       *dst;
+       union {
+               struct  dst_entry       *dst;
+               struct  rtable          *rtable;
+       };
        struct  sec_path        *sp;
 
        /*
@@ -889,6 +892,7 @@ static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset)
 /*
  *     Add data to an sk_buff
  */
+extern unsigned char *skb_put(struct sk_buff *skb, unsigned int len);
 static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len)
 {
        unsigned char *tmp = skb_tail_pointer(skb);
@@ -898,26 +902,7 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len)
        return tmp;
 }
 
-/**
- *     skb_put - add data to a buffer
- *     @skb: buffer to use
- *     @len: amount of data to add
- *
- *     This function extends the used data area of the buffer. If this would
- *     exceed the total buffer size the kernel will panic. A pointer to the
- *     first byte of the extra data is returned.
- */
-static inline unsigned char *skb_put(struct sk_buff *skb, unsigned int len)
-{
-       unsigned char *tmp = skb_tail_pointer(skb);
-       SKB_LINEAR_ASSERT(skb);
-       skb->tail += len;
-       skb->len  += len;
-       if (unlikely(skb->tail > skb->end))
-               skb_over_panic(skb, len, current_text_addr());
-       return tmp;
-}
-
+extern unsigned char *skb_push(struct sk_buff *skb, unsigned int len);
 static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len)
 {
        skb->data -= len;
@@ -925,24 +910,7 @@ static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len)
        return skb->data;
 }
 
-/**
- *     skb_push - add data to the start of a buffer
- *     @skb: buffer to use
- *     @len: amount of data to add
- *
- *     This function extends the used data area of the buffer at the buffer
- *     start. If this would exceed the total buffer headroom the kernel will
- *     panic. A pointer to the first byte of the extra data is returned.
- */
-static inline unsigned char *skb_push(struct sk_buff *skb, unsigned int len)
-{
-       skb->data -= len;
-       skb->len  += len;
-       if (unlikely(skb->data<skb->head))
-               skb_under_panic(skb, len, current_text_addr());
-       return skb->data;
-}
-
+extern unsigned char *skb_pull(struct sk_buff *skb, unsigned int len);
 static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len)
 {
        skb->len -= len;
@@ -950,21 +918,6 @@ static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len)
        return skb->data += len;
 }
 
-/**
- *     skb_pull - remove data from the start of a buffer
- *     @skb: buffer to use
- *     @len: amount of data to remove
- *
- *     This function removes data from the start of a buffer, returning
- *     the memory to the headroom. A pointer to the next data in the buffer
- *     is returned. Once the data has been pulled future pushes will overwrite
- *     the old data.
- */
-static inline unsigned char *skb_pull(struct sk_buff *skb, unsigned int len)
-{
-       return unlikely(len > skb->len) ? NULL : __skb_pull(skb, len);
-}
-
 extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta);
 
 static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len)
@@ -1205,21 +1158,7 @@ static inline void __skb_trim(struct sk_buff *skb, unsigned int len)
        skb_set_tail_pointer(skb, len);
 }
 
-/**
- *     skb_trim - remove end from a buffer
- *     @skb: buffer to alter
- *     @len: new length
- *
- *     Cut the length of a buffer down by removing data from the tail. If
- *     the buffer is already under the length specified it is not modified.
- *     The skb must be linear.
- */
-static inline void skb_trim(struct sk_buff *skb, unsigned int len)
-{
-       if (skb->len > len)
-               __skb_trim(skb, len);
-}
-
+extern void skb_trim(struct sk_buff *skb, unsigned int len);
 
 static inline int __pskb_trim(struct sk_buff *skb, unsigned int len)
 {
@@ -1302,22 +1241,7 @@ static inline struct sk_buff *__dev_alloc_skb(unsigned int length,
        return skb;
 }
 
-/**
- *     dev_alloc_skb - allocate an skbuff for receiving
- *     @length: length to allocate
- *
- *     Allocate a new &sk_buff and assign it a usage count of one. The
- *     buffer has unspecified headroom built in. Users should allocate
- *     the headroom they think they need without accounting for the
- *     built in space. The built in space is used for optimisations.
- *
- *     %NULL is returned if there is no free memory. Although this function
- *     allocates memory it can be called from an interrupt.
- */
-static inline struct sk_buff *dev_alloc_skb(unsigned int length)
-{
-       return __dev_alloc_skb(length, GFP_ATOMIC);
-}
+extern struct sk_buff *dev_alloc_skb(unsigned int length);
 
 extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
                unsigned int length, gfp_t gfp_mask);