1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 14a55e3e3a50..86771b37b80d 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -230,6 +230,17 @@ struct tcp_options_received {
         __u16   mss_clamp;      /* Maximal mss, negotiated at connection setup */
 };
 
+struct tcp_request_sock {
+        struct inet_request_sock req;
+        __u32                    rcv_isn;
+        __u32                    snt_isn;
+};
+
+static inline struct tcp_request_sock *tcp_rsk(const struct open_request *req)
+{
+        return (struct tcp_request_sock *)req;
+}
+
 struct tcp_sock {
         /* inet_sock has to be the first member of tcp_sock */
         struct inet_sock        inet;