diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-09-30 21:20:39 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-30 21:20:39 +0200 |
| commit | 09907ca630047bbeaa96de0102df7a6cc3a966cd (patch) | |
| tree | 99e2155ea7b87ebdbeea96b7165d55ad0413006d /net/ipv4/tcp_cubic.c | |
| parent | d786ad32c305ca0f6be1924558866fe9f901e291 (diff) | |
| parent | e02ae3871355194a61b03a07d96fd71e81d7eff9 (diff) | |
Merge branch 'x86/for-kvm' into x86/apic
Pull in the apic change which is provided for kvm folks to pull into
their tree.
Diffstat (limited to 'net/ipv4/tcp_cubic.c')
| -rw-r--r-- | net/ipv4/tcp_cubic.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index c6ded6b2a79f..448c2615fece 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -154,14 +154,20 @@ static void bictcp_init(struct sock *sk) static void bictcp_cwnd_event(struct sock *sk, enum tcp_ca_event event) { if (event == CA_EVENT_TX_START) { - s32 delta = tcp_time_stamp - tcp_sk(sk)->lsndtime; struct bictcp *ca = inet_csk_ca(sk); + u32 now = tcp_time_stamp; + s32 delta; + + delta = now - tcp_sk(sk)->lsndtime; /* We were application limited (idle) for a while. * Shift epoch_start to keep cwnd growth to cubic curve. */ - if (ca->epoch_start && delta > 0) + if (ca->epoch_start && delta > 0) { ca->epoch_start += delta; + if (after(ca->epoch_start, now)) + ca->epoch_start = now; + } return; } } |