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authorJonathan Corbet <corbet@lwn.net>2017-05-18 10:19:33 -0600
committerJonathan Corbet <corbet@lwn.net>2017-05-18 10:19:33 -0600
commita1a9af4e9d9ec65c22d3cfe449e0420d17dbedba (patch)
tree05bd08bb1987aa92b84b49b9ee4eee0ba3b2917f /net/ipv4/tcp_output.c
parent25a0da73f24c95d57381bedd9cd89e4929b1bfde (diff)
parent2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff)
Merge tag 'v4.12-rc1' into docs-next
Linux 4.12-rc1
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 60111a0fc201..4858e190f6ac 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1514,6 +1514,7 @@ static void tcp_cwnd_application_limited(struct sock *sk)
static void tcp_cwnd_validate(struct sock *sk, bool is_cwnd_limited)
{
+ const struct tcp_congestion_ops *ca_ops = inet_csk(sk)->icsk_ca_ops;
struct tcp_sock *tp = tcp_sk(sk);
/* Track the maximum number of outstanding packets in each
@@ -1536,7 +1537,8 @@ static void tcp_cwnd_validate(struct sock *sk, bool is_cwnd_limited)
tp->snd_cwnd_used = tp->packets_out;
if (sysctl_tcp_slow_start_after_idle &&
- (s32)(tcp_time_stamp - tp->snd_cwnd_stamp) >= inet_csk(sk)->icsk_rto)
+ (s32)(tcp_time_stamp - tp->snd_cwnd_stamp) >= inet_csk(sk)->icsk_rto &&
+ !ca_ops->cong_control)
tcp_cwnd_application_limited(sk);
/* The following conditions together indicate the starvation