1 files changed, 26 insertions, 0 deletions

diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index fa587c94e9d0..9bf73fe50948 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -50,6 +50,12 @@ struct inet_connection_sock_af_ops {
                                   char __user *optval, int optlen);
         int         (*getsockopt)(struct sock *sk, int level, int optname, 
                                   char __user *optval, int __user *optlen);
+        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 *optlen);
         void        (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
         int sockaddr_len;
 };
@@ -72,6 +78,7 @@ struct inet_connection_sock_af_ops {
  * @icsk_probes_out:       unanswered 0 window probes
  * @icsk_ext_hdr_len:      Network protocol overhead (IP/IPv6 options)
  * @icsk_ack:              Delayed ACK control data
+ * @icsk_mtup;             MTU probing control data
  */
 struct inet_connection_sock {
         /* inet_sock has to be the first member! */
@@ -104,6 +111,16 @@ struct inet_connection_sock {
                 __u16             last_seg_size; /* Size of last incoming segment          */
                 __u16             rcv_mss;       /* MSS used for delayed ACK decisions     */ 
         } icsk_ack;
+        struct {
+                int               enabled;
+
+                /* Range of MTUs to search */
+                int               search_high;
+                int               search_low;
+
+                /* Information on the current probe. */
+                int               probe_size;
+        } icsk_mtup;
         u32                       icsk_ca_priv[16];
 #define ICSK_CA_PRIV_SIZE       (16 * sizeof(u32))
 };
@@ -310,4 +327,13 @@ extern void inet_csk_listen_stop(struct sock *sk);
 
 extern void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
 
+extern int inet_csk_ctl_sock_create(struct socket **sock,
+                                    unsigned short family,
+                                    unsigned short type,
+                                    unsigned char protocol);
+
+extern int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
+                                      char __user *optval, int __user *optlen);
+extern int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
+                                      char __user *optval, int optlen);
 #endif /* _INET_CONNECTION_SOCK_H */