[UDP]: Only increment counter on first peek/recv

[linux-2.6-omap-h63xx.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 94e49915a8c0e1113091bd12261f349f852ef6ad..c618fbf7d173c4974da2adf399edf51a2c5034cc 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -95,6 +95,7 @@
 
 struct net_device;
 struct scatterlist;
+struct pipe_inode_info;
 
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 struct nf_conntrack {
@@ -287,6 +288,7 @@ struct sk_buff {
        __u8                    pkt_type:3,
                                fclone:2,
                                ipvs_property:1,
+                               peeked:1,
                                nf_trace:1;
        __be16                  protocol;
 
@@ -356,7 +358,6 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
        return __alloc_skb(size, priority, 1, -1);
 }
 
-extern void           kfree_skbmem(struct sk_buff *skb);
 extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
 extern struct sk_buff *skb_clone(struct sk_buff *skb,
                                 gfp_t priority);
@@ -387,7 +388,9 @@ extern void       skb_truesize_bug(struct sk_buff *skb);
 
 static inline void skb_truesize_check(struct sk_buff *skb)
 {
-       if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
+       int len = sizeof(struct sk_buff) + skb->len;
+
+       if (unlikely((int)skb->truesize < len))
                skb_truesize_bug(skb);
 }
 
@@ -1536,6 +1539,8 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
                     skb = skb->prev)
 
 
+extern struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags,
+                                          int *peeked, int *err);
 extern struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags,
                                         int noblock, int *err);
 extern unsigned int    datagram_poll(struct file *file, struct socket *sock,
@@ -1547,7 +1552,7 @@ extern int               skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
                                                        int hlen,
                                                        struct iovec *iov);
 extern void           skb_free_datagram(struct sock *sk, struct sk_buff *skb);
-extern void           skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
+extern int            skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                         unsigned int flags);
 extern __wsum         skb_checksum(const struct sk_buff *skb, int offset,
                                    int len, __wsum csum);
@@ -1558,6 +1563,11 @@ extern int              skb_store_bits(struct sk_buff *skb, int offset,
 extern __wsum         skb_copy_and_csum_bits(const struct sk_buff *skb,
                                              int offset, u8 *to, int len,
                                              __wsum csum);
+extern int             skb_splice_bits(struct sk_buff *skb,
+                                               unsigned int offset,
+                                               struct pipe_inode_info *pipe,
+                                               unsigned int len,
+                                               unsigned int flags);
 extern void           skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
 extern void           skb_split(struct sk_buff *skb,
                                 struct sk_buff *skb1, const u32 len);