[PATCH 3/18] [TCP] FRTO: Moved tcp_use_frto from tcp.h to tcp_input.c

["Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>]

In addition, removed inline.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
---
 include/net/tcp.h    |   14 +-------------
 net/ipv4/tcp_input.c |   13 +++++++++++++
 2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5c472f2..572a77b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -341,6 +341,7 @@ extern struct sock *		tcp_check_req(stru
 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 s
 
 #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 */
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c5be3d0..294cb44 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1236,6 +1236,19 @@ #endif
 	return flag;
 }
 
+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));
+}
+
 /* RTO occurred, but do not yet enter loss state. Instead, transmit two new
  * segments to see from the next ACKs whether any data was really missing.
  * If the RTO was spurious, new ACKs should arrive.
-- 
1.4.2