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-rw-r--r--include/net/tcp.h14
1 files changed, 1 insertions, 13 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5c472f255b77..572a77bb6907 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -341,6 +341,7 @@ extern struct sock * tcp_check_req(struct sock *sk,struct sk_buff *skb,
extern int tcp_child_process(struct sock *parent,
struct sock *child,
struct sk_buff *skb);
+extern int tcp_use_frto(const struct sock *sk);
extern void tcp_enter_frto(struct sock *sk);
extern void tcp_enter_loss(struct sock *sk, int how);
extern void tcp_clear_retrans(struct tcp_sock *tp);
@@ -1033,19 +1034,6 @@ static inline int tcp_paws_check(const struct tcp_options_received *rx_opt, int
#define TCP_CHECK_TIMER(sk) do { } while (0)
-static inline int tcp_use_frto(const struct sock *sk)
-{
- const struct tcp_sock *tp = tcp_sk(sk);
-
- /* F-RTO must be activated in sysctl and there must be some
- * unsent new data, and the advertised window should allow
- * sending it.
- */
- return (sysctl_tcp_frto && sk->sk_send_head &&
- !after(TCP_SKB_CB(sk->sk_send_head)->end_seq,
- tp->snd_una + tp->snd_wnd));
-}
-
static inline void tcp_mib_init(void)
{
/* See RFC 2012 */