[NET]: {get|set}sockopt compatibility layer

This patch extends {get|set}sockopt compatibility layer in order to
move protocol specific parts to their place and avoid huge universal
net/compat.c file in the future.

Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index f63d0d56712c..ec226f31dc2a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -520,6 +520,14 @@ struct proto {
         int                     (*getsockopt)(struct sock *sk, int level, 
                                         int optname, char __user *optval, 
                                         int __user *option);     
+        int                     (*compat_setsockopt)(struct sock *sk,
+                                        int level,
+                                        int optname, char __user *optval,
+                                        int optlen);
+        int                     (*compat_getsockopt)(struct sock *sk,
+                                        int level,
+                                        int optname, char __user *optval,
+                                        int __user *option);
         int                     (*sendmsg)(struct kiocb *iocb, struct sock *sk,
                                            struct msghdr *msg, size_t len);
         int                     (*recvmsg)(struct kiocb *iocb, struct sock *sk,
@@ -816,6 +824,10 @@ extern int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
                                struct msghdr *msg, size_t size, int flags);
 extern int sock_common_setsockopt(struct socket *sock, int level, int optname,
                                   char __user *optval, int optlen);
+extern int compat_sock_common_getsockopt(struct socket *sock, int level,
+                int optname, char __user *optval, int __user *optlen);
+extern int compat_sock_common_setsockopt(struct socket *sock, int level,
+                int optname, char __user *optval, int optlen);
 
 extern void sk_common_release(struct sock *sk);