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authorThomas Graf <tgraf@suug.ch>2013-12-13 15:22:17 +0100
committerJesse Gross <jesse@nicira.com>2014-01-06 15:52:42 -0800
commitaf2806f8f90a150160be898cd85332459c83c5cb (patch)
treed3476ee225083ad769e8d2374b840a4af0816560 /include/linux/skbuff.h
parent5f03f47c9c05086e181db3ec7a809f8454e28370 (diff)
downloadop-kernel-dev-af2806f8f90a150160be898cd85332459c83c5cb.zip
op-kernel-dev-af2806f8f90a150160be898cd85332459c83c5cb.tar.gz
net: Export skb_zerocopy() to zerocopy from one skb to another
Make the skb zerocopy logic written for nfnetlink queue available for use by other modules. Signed-off-by: Thomas Graf <tgraf@suug.ch> Reviewed-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bec1cc7..7c48e2d 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2345,6 +2345,9 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
struct pipe_inode_info *pipe, unsigned int len,
unsigned int flags);
void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
+unsigned int skb_zerocopy_headlen(const struct sk_buff *from);
+void skb_zerocopy(struct sk_buff *to, const struct sk_buff *from,
+ int len, int hlen);
void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len);
int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen);
void skb_scrub_packet(struct sk_buff *skb, bool xnet);
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