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authorHannes Frederic Sowa <hannes@stressinduktion.org>2015-05-21 18:00:00 +0300
committerDavid S. Miller <davem@davemloft.net>2015-05-25 07:06:59 +0300
commita60e3cc7c92973a31fad0fd04dc5cf4355d3d1ef (patch)
treefccece19424d49db1c03ef8f204f3c7ca3478a4a /include/linux/skbuff.h
parent869e7c62486ec0e170a9771acaa251d1a33b5871 (diff)
downloadlinux-a60e3cc7c92973a31fad0fd04dc5cf4355d3d1ef.tar.xz
net: make skb_splice_bits more configureable
Prepare skb_splice_bits to be able to deal with AF_UNIX sockets. AF_UNIX sockets don't use lock_sock/release_sock and thus we have to use a callback to make the locking and unlocking configureable. Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index f708936cdd23..6b41c15efa27 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -35,6 +35,7 @@
#include <linux/netdev_features.h>
#include <linux/sched.h>
#include <net/flow_dissector.h>
+#include <linux/splice.h>
/* A. Checksumming of received packets by device.
*
@@ -2699,9 +2700,15 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len);
int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len);
__wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to,
int len, __wsum csum);
-int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
+ssize_t skb_socket_splice(struct sock *sk,
+ struct pipe_inode_info *pipe,
+ struct splice_pipe_desc *spd);
+int skb_splice_bits(struct sk_buff *skb, struct sock *sk, unsigned int offset,
struct pipe_inode_info *pipe, unsigned int len,
- unsigned int flags);
+ unsigned int flags,
+ ssize_t (*splice_cb)(struct sock *,
+ struct pipe_inode_info *,
+ struct splice_pipe_desc *));
void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
unsigned int skb_zerocopy_headlen(const struct sk_buff *from);
int skb_zerocopy(struct sk_buff *to, struct sk_buff *from,