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[TCP]: Splice receive support.

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Support for network splice receive.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jens Axboe
2007-11-06 23:30:13 -08:00
committed by David S. Miller
parent bbdfc2f706
commit 9c55e01c0c
7 changed files with 401 additions and 0 deletions
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3
include/linux/net.h
View File

@@ -22,6 +22,7 @@
#include <asm/socket.h>
struct poll_table_struct;
struct pipe_inode_info;
struct inode;
struct net;
@@ -172,6 +173,8 @@ struct proto_ops {
struct vm_area_struct * vma);
ssize_t (*sendpage) (struct socket *sock, struct page *page,
int offset, size_t size, int flags);
ssize_t (*splice_read)(struct socket *sock, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len, unsigned int flags);
};
struct net_proto_family {

6
include/linux/skbuff.h
View File

@@ -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 {
@@ -1559,6 +1560,11 @@ 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);