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tcp: fix under-evaluated ssthresh in TCP Vegas 

[ Upstream commit cf5d74b85e ]

With the commit 76174004a0 (tcp: do not slow start when cwnd equals
ssthresh), the comparison to the reduced cwnd in tcp_vegas_ssthresh() would
under-evaluate the ssthresh.

Signed-off-by: Hoang Tran <hoang.tran@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Hoang Tran 2017-09-27 18:30:58 +02:00 committed by Greg Kroah-Hartman
parent 71e51e4d48
commit 0aaff15c10
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_vegas.c
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@ -158,7 +158,7 @@ EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
{
return min(tp->snd_ssthresh, tp->snd_cwnd-1);
return min(tp->snd_ssthresh, tp->snd_cwnd);
}
static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked)