X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_highspeed.c;h=ba7c63ca5bb10838f9e81a64b81cf9131be1a3f2;hb=36a557d1f48669c57f59e37d9334400a29e4e53c;hp=e0e9d1383c7c7e894a1019c3e2ce28785aea5dc4;hpb=6a8a8e14bed179f2d415c7f4fee51233c35c10c3;p=powerpc.git

diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c
index e0e9d1383c..ba7c63ca5b 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -135,10 +135,11 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
 
 		/* Do additive increase */
 		if (tp->snd_cwnd < tp->snd_cwnd_clamp) {
-			tp->snd_cwnd_cnt += ca->ai;
+			/* cwnd = cwnd + a(w) / cwnd */
+			tp->snd_cwnd_cnt += ca->ai + 1;
 			if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
-				tp->snd_cwnd++;
 				tp->snd_cwnd_cnt -= tp->snd_cwnd;
+				tp->snd_cwnd++;
 			}
 		}
 	}