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| author | Hoang Tran <tranviethoang.vn@gmail.com> | 2017-09-27 18:30:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-25 14:22:15 +0100 |
| commit | 1e52ede8e1ed95aec3cd3acaea48066cb34c238b (patch) | |
| tree | 28eef6bc5bf1e7433615564c1bbd55dbb4a708d4 /net | |
| parent | ab8e096eed2f2a98e5200672720d5d46db50c80b (diff) | |
| download | linux-rt-1e52ede8e1ed95aec3cd3acaea48066cb34c238b.tar.gz | |
tcp: fix under-evaluated ssthresh in TCP Vegas
[ Upstream commit cf5d74b85ef40c202c76d90959db4d850f301b95 ]
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>
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_vegas.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index 13951c4087d4..b9fac0522be6 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) |