1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 8cacf0d6ed4d..8c05c25018d5 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1609,6 +1609,9 @@ struct tcp_request_sock_ops {
                                        const struct request_sock *req,
                                        bool *strict);
         __u32 (*init_seq)(const struct sk_buff *skb);
+        int (*send_synack)(struct sock *sk, struct dst_entry *dst,
+                           struct flowi *fl, struct request_sock *req,
+                           u16 queue_mapping, struct tcp_fastopen_cookie *foc);
 };
 
 #ifdef CONFIG_SYN_COOKIES