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| author |   Yuchung Cheng <ycheng@google.com> | 2015-07-09 13:16:29 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-07-09 14:22:52 -0700 |
| commit | 071d5080e33d6f24139e4213c2d9f97a2c21b602 (patch) | |
| tree | 2dad35b407a5aef707769358a0cc61c43abf33fa /net/ipv4/tcp_scalable.c | |
| parent | net: skb_defer_rx_timestamp should check for phydev before setting up classify (diff) | |
| download | linux-dev-071d5080e33d6f24139e4213c2d9f97a2c21b602.tar.xz linux-dev-071d5080e33d6f24139e4213c2d9f97a2c21b602.zip | |
tcp: add tcp_in_slow_start helper
Add a helper to test the slow start condition in various congestion
control modules and other places. This is to prepare a slight improvement
in policy as to exactly when to slow start.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_scalable.c')
| -rw-r--r-- | net/ipv4/tcp_scalable.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_scalable.c b/net/ipv4/tcp_scalable.c index 333bcb2415ff..bf5ea9e9bbc1 100644 --- a/net/ipv4/tcp_scalable.c +++ b/net/ipv4/tcp_scalable.c @@ -22,7 +22,7 @@ static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack, u32 acked) if (!tcp_is_cwnd_limited(sk)) return; - if (tp->snd_cwnd <= tp->snd_ssthresh) + if (tcp_in_slow_start(tp)) tcp_slow_start(tp, acked); else tcp_cong_avoid_ai(tp, min(tp->snd_cwnd, TCP_SCALABLE_AI_CNT), |