From: John Heffner <jheffner@psc.edu>
To: David Miller <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>
Subject: [PATCH] fix limited slow start bug
Date: Thu, 22 Feb 2007 13:56:22 -0500 [thread overview]
Message-ID: <45DDE756.20001@psc.edu> (raw)
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[-- Attachment #2: lss_order_bug.patch --]
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Fix arithmetic order bug in limited slow start. The subtraction needs to be
done before snd_cwnd is incremented.
Signed-off-by: John Heffner <jheffner@psc.edu>
---
commit 244e7411d99443df7b7ae849ba6ebbec4c2342bc
tree e6d5985a22448f59f8bef393542e1d5497ee5684
parent 97033fa201705e6cfc68ce66f34ede3277c3d645
author John Heffner <jheffner@psc.edu> Thu, 22 Feb 2007 13:54:01 -0500
committer John Heffner <jheffner@psc.edu> Thu, 22 Feb 2007 13:54:01 -0500
net/ipv4/tcp_cong.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 7fd2910..a0c894f 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -303,9 +303,9 @@ void tcp_slow_start(struct tcp_sock *tp)
tp->snd_cwnd_cnt += cnt;
while (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
+ tp->snd_cwnd_cnt -= tp->snd_cwnd;
if (tp->snd_cwnd < tp->snd_cwnd_clamp)
tp->snd_cwnd++;
- tp->snd_cwnd_cnt -= tp->snd_cwnd;
}
}
EXPORT_SYMBOL_GPL(tcp_slow_start);
next reply other threads:[~2007-02-22 18:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-22 18:56 John Heffner [this message]
2007-02-22 21:37 ` [PATCH] fix limited slow start bug Ilpo Järvinen
2007-02-22 21:52 ` John Heffner
2007-02-23 6:53 ` David Miller
2007-02-23 6:42 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2007-02-25 8:55 Roger While
2007-02-25 23:43 ` David Miller
2007-02-26 2:19 ` Arnaldo Carvalho de Melo
2007-02-26 3:02 ` Arnaldo Carvalho de Melo
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