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authorYuchung Cheng <ycheng@google.com>2015-07-09 13:16:29 -0700
committerDavid S. Miller <davem@davemloft.net>2015-07-09 14:22:52 -0700
commit071d5080e33d6f24139e4213c2d9f97a2c21b602 (patch)
tree2dad35b407a5aef707769358a0cc61c43abf33fa /net/ipv4/tcp_veno.c
parent1007f59dce53a22cba164f854d7bdc171c85dc79 (diff)
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_veno.c')
-rw-r--r--net/ipv4/tcp_veno.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 112151eeee45..0d094b995cd9 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -150,7 +150,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
veno->diff = (tp->snd_cwnd << V_PARAM_SHIFT) - target_cwnd;
- if (tp->snd_cwnd <= tp->snd_ssthresh) {
+ if (tcp_in_slow_start(tp)) {
/* Slow start. */
tcp_slow_start(tp, acked);
} else {