From 758ce5c8d11d6fc57fe5f1dbc237aa8ff6386eac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 28 Feb 2009 04:44:37 +0000 Subject: tcp: add helper for AI algorithm MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It seems that implementation in yeah was inconsistent to what other did as it would increase cwnd one ack earlier than the others do. Size benefits: bictcp_cong_avoid | -36 tcp_cong_avoid_ai | +52 bictcp_cong_avoid | -34 tcp_scalable_cong_avoid | -36 tcp_veno_cong_avoid | -12 tcp_yeah_cong_avoid | -38 = -104 bytes total Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_veno.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'net/ipv4/tcp_veno.c') diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c index d08b2e855c22..e9bbff746488 100644 --- a/net/ipv4/tcp_veno.c +++ b/net/ipv4/tcp_veno.c @@ -159,12 +159,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight) /* In the "non-congestive state", increase cwnd * every rtt. */ - if (tp->snd_cwnd_cnt >= tp->snd_cwnd) { - if (tp->snd_cwnd < tp->snd_cwnd_clamp) - tp->snd_cwnd++; - tp->snd_cwnd_cnt = 0; - } else - tp->snd_cwnd_cnt++; + tcp_cong_avoid_ai(tp, tp->snd_cwnd); } else { /* In the "congestive state", increase cwnd * every other rtt. -- cgit v1.2.1