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[PATCH net-next] tcp: fix under-evaluated ssthresh in TCP Vegas

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With the commit 76174004a0f19785 (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>
---
 net/ipv4/tcp_vegas.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 218cfcc..ee113ff 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -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)
-- 
2.7.4

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[PATCH net-next] tcp: fix under-evaluated ssthresh in TCP Vegas Hoang Tran <tranviethoang.vn@gmail.com> - 2017-09-27 18:40 +0200
  Re: [PATCH net-next] tcp: fix under-evaluated ssthresh in TCP Vegas David Miller <davem@davemloft.net> - 2017-09-29 10:20 +0200

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