diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
| commit | bebcb8dab6bac53b6a61a896db03781d1992cadb (patch) | |
| tree | 4793b0c2e913db8cf573ee52d568471603273af6 /net/ipv4/tcp_cubic.c | |
| parent | 26c21dd9885a2d8a4f4d539917c4877ffd399286 (diff) | |
| parent | f1e0bb0ad473a32d1b7e6d285ae9f7e47710bb5e (diff) | |
Merge branch 'irq/for-arm' into irq/core
Bring in the change which we offered arm[64] folks to pull into their
trees.
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; } } |