tcp: prepare fastopen code for upcoming listener changes

[firefly-linux-kernel-4.4.55.git] / include / linux / tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index fcb573be75d92beecfeb03f425d01247ee0a426a..e442e6e9a365e38c14c00bc7e5dd51d564be82e1 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -382,25 +382,11 @@ static inline bool tcp_passive_fastopen(const struct sock *sk)
                tcp_sk(sk)->fastopen_rsk != NULL);
 }
 
-extern void tcp_sock_destruct(struct sock *sk);
-
-static inline int fastopen_init_queue(struct sock *sk, int backlog)
+static inline void fastopen_queue_tune(struct sock *sk, int backlog)
 {
-       struct request_sock_queue *queue =
-           &inet_csk(sk)->icsk_accept_queue;
-
-       if (queue->fastopenq == NULL) {
-               queue->fastopenq = kzalloc(
-                   sizeof(struct fastopen_queue),
-                   sk->sk_allocation);
-               if (queue->fastopenq == NULL)
-                       return -ENOMEM;
-
-               sk->sk_destruct = tcp_sock_destruct;
-               spin_lock_init(&queue->fastopenq->lock);
-       }
-       queue->fastopenq->max_qlen = backlog;
-       return 0;
+       struct request_sock_queue *queue = &inet_csk(sk)->icsk_accept_queue;
+
+       queue->fastopenq.max_qlen = backlog;
 }
 
 static inline void tcp_saved_syn_free(struct tcp_sock *tp)