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| author | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:10:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:10:28 +0200 |
| commit | 82fc167c392a1700f9adbde639730ee8c8122474 (patch) | |
| tree | 373ab737a040dd21e5f98425e7c82a6cc4a83568 /net/ipv4/tcp_cubic.c | |
| parent | e3e72ab80a3fac0b88e07d358a2c75724ccd66b4 (diff) | |
| parent | 049e6dde7e57f0054fdc49102e7ef4830c698b46 (diff) | |
| download | linux-82fc167c392a1700f9adbde639730ee8c8122474.tar.gz linux-82fc167c392a1700f9adbde639730ee8c8122474.tar.bz2 linux-82fc167c392a1700f9adbde639730ee8c8122474.zip | |
Merge tag 'v4.3-rc4' into locking/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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; } } |