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Wiring up probe_rtt_congestion_window_gain in BBR.

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Bug: webrtc:8415
Change-Id: I2535522baf9020f48a283efcd410b3bb23493346
Reviewed-on: https://webrtc-review.googlesource.com/72004
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23008}
This commit is contained in:
Sebastian Jansson 2018-04-24 12:34:15 +02:00 committed by Commit Bot
parent e61125c4a1
commit 693b446eca
1 changed files with 1 additions and 3 deletions
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4
modules/congestion_controller/bbr/bbr_network_controller.cc
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@ -68,8 +68,6 @@ constexpr int64_t kProbeRttTimeMs = 200;
// within |kRoundTripsWithoutGrowthBeforeExitingStartup| rounds, the connection
// will exit the STARTUP mode.
const double kStartupGrowthTarget = 1.25;
// Coefficient of target congestion window to use when basing PROBE_RTT on BDP.
const double kModerateProbeRttMultiplier = 0.75;
// Coefficient to determine if a new RTT is sufficiently similar to min_rtt that
// we don't need to enter PROBE_RTT.
const double kSimilarMinRttThreshold = 1.125;
@ -465,7 +463,7 @@ DataSize BbrNetworkController::GetTargetCongestionWindow(double gain) const {
DataSize BbrNetworkController::ProbeRttCongestionWindow() const {
if (config_.probe_rtt_based_on_bdp) {
return GetTargetCongestionWindow(kModerateProbeRttMultiplier);
return GetTargetCongestionWindow(config_.probe_rtt_congestion_window_gain);
}
return kMinimumCongestionWindow;
}