netdev - [PATCH 9/18] [TCP] FRTO: Response should reset also snd_cwnd

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Date:	Mon, 19 Feb 2007 13:38:03 +0200
From:	"Ilpo JÃ¤rvinen" <ilpo.jarvinen@...sinki.fi>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>,
	Pasi Sarolahti <pasi.sarolahti@...ia.com>
Subject: [PATCH 9/18] [TCP] FRTO: Response should reset also snd_cwnd_cnt

Since purpose is to reduce CWND, we prevent immediate growth. This
is not a major issue nor is "the correct way" specified anywhere.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
---
 net/ipv4/tcp_input.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2679279..9637abd 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2490,6 +2490,7 @@ static int tcp_ack_update_window(struct 
 static void tcp_conservative_spur_to_response(struct tcp_sock *tp)
 {
 	tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);
+	tp->snd_cwnd_cnt = 0;
 	tcp_moderate_cwnd(tp);
 }
 
-- 
1.4.2

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