net: Add read_sock proto_op

Add new function in proto_ops structure. This includes moving the
typedef got sk_read_actor into net.h and removing the definition from
tcp.h.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/net.h b/include/linux/net.h
index b9f0ff4d489c..cd0c8bd0a1de 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -25,6 +25,7 @@
 #include <linux/kmemcheck.h>
 #include <linux/rcupdate.h>
 #include <linux/once.h>
+#include <linux/fs.h>
 
 #include <uapi/linux/net.h>
 
@@ -128,6 +129,9 @@ struct page;
 struct sockaddr;
 struct msghdr;
 struct module;
+struct sk_buff;
+typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *,
+                               unsigned int, size_t);
 
 struct proto_ops {
         int             family;
@@ -186,6 +190,8 @@ struct proto_ops {
                                        struct pipe_inode_info *pipe, size_t len, unsigned int flags);
         int             (*set_peek_off)(struct sock *sk, int val);
         int             (*peek_len)(struct socket *sock);
+        int             (*read_sock)(struct sock *sk, read_descriptor_t *desc,
+                                     sk_read_actor_t recv_actor);
 };
 
 #define DECLARE_SOCKADDR(type, dst, src)        \