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| author |   Changli Gao <xiaosuo@gmail.com> | 2010-08-04 04:43:44 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-08-04 21:53:14 -0700 |
| commit | f9599ce11192f24dbb0f4fdb70121a05edc58342 (patch) | |
| tree | 12da3fa1947471845ac4277cc030e81fbfd78483 | |
| parent | act_nat: fix on the TX path (diff) | |
| download | linux-dev-f9599ce11192f24dbb0f4fdb70121a05edc58342.tar.xz linux-dev-f9599ce11192f24dbb0f4fdb70121a05edc58342.zip | |
sk_buff: introduce pskb_network_may_pull()
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/skbuff.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d20d9e7a9bbd..77eb60d2b496 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1379,6 +1379,11 @@ static inline int skb_network_offset(const struct sk_buff *skb) return skb_network_header(skb) - skb->data; } +static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) +{ + return pskb_may_pull(skb, skb_network_offset(skb) + len); +} + /* * CPUs often take a performance hit when accessing unaligned memory * locations. The actual performance hit varies, it can be small if the |