X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fnet%2Ftcp.h;h=dba22fc1b065a70b9604872b1460c7b2ea24db1d;hb=071d5080e33d6f24139e4213c2d9f97a2c21b602;hp=950cfecaad3c0d01c646c4fd111eca8d0cf8aef3;hpb=cfcc0ad47f4cbc19ddd057cfb39b144a3518c59e;p=deliverable%2Flinux.git

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 950cfecaad3c..dba22fc1b065 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -989,6 +989,11 @@ static inline unsigned int tcp_packets_in_flight(const struct tcp_sock *tp)
 
 #define TCP_INFINITE_SSTHRESH	0x7fffffff
 
+static inline bool tcp_in_slow_start(const struct tcp_sock *tp)
+{
+	return tp->snd_cwnd <= tp->snd_ssthresh;
+}
+
 static inline bool tcp_in_initial_slowstart(const struct tcp_sock *tp)
 {
 	return tp->snd_ssthresh >= TCP_INFINITE_SSTHRESH;
@@ -1065,7 +1070,7 @@ static inline bool tcp_is_cwnd_limited(const struct sock *sk)
 	const struct tcp_sock *tp = tcp_sk(sk);
 
 	/* If in slow start, ensure cwnd grows to twice what was ACKed. */
-	if (tp->snd_cwnd <= tp->snd_ssthresh)
+	if (tcp_in_slow_start(tp))
 		return tp->snd_cwnd < 2 * tp->max_packets_out;
 
 	return tp->is_cwnd_limited;