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Date:	Thu, 25 Aug 2011 01:41:50 +0200
From:	Hagen Paul Pfeifer <hagen@...u.net>
To:	netdev@...r.kernel.org
Cc:	eric.dumazet@...il.com, Hagen Paul Pfeifer <hagen@...u.net>
Subject: [PATCH] tcp: bound RTO to minimum

Check if calculated RTO is less then TCP_RTO_MIN. If this is true we
adjust the value to TCP_RTO_MIN.

Signed-off-by: Hagen Paul Pfeifer <hagen@...u.net>
---
 include/net/tcp.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 149a415..9b5f4bf 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -520,6 +520,8 @@ static inline void tcp_bound_rto(const struct sock *sk)
 {
 	if (inet_csk(sk)->icsk_rto > TCP_RTO_MAX)
 		inet_csk(sk)->icsk_rto = TCP_RTO_MAX;
+	else if (inet_csk(sk)->icsk_rto < TCP_RTO_MIN)
+		inet_csk(sk)->icsk_rto = TCP_RTO_MIN;
 }
 
 static inline u32 __tcp_set_rto(const struct tcp_sock *tp)
-- 
1.7.4.1.57.g0466.dirty

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