diff options
| author | Hoang Tran <tranviethoang.vn@gmail.com> | 2017-09-27 18:30:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-25 14:23:45 +0100 |
| commit | acc96729e1d8d088e8e4cecdbef05f0c0b5e367b (patch) | |
| tree | 6a00ac9850ce18da51f1f29ca1d4e7fc3bd51f71 | |
| parent | 5859027994f91d13fc3c4e99a8420ecbf8193729 (diff) | |
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>
| -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 4c4bac1b5eab..3ecb61ee42fb 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) |