commit 84427fcf273ad0a40c1bbb0ccf6ed53bd725b084
author fayang <fayang@google.com> Mon Mar 09 12:43:26 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Mar 09 12:44:00 2020 -0700
tree fd2992d7e66721ebf8aff251169cc6a8686fcfcb
parent 91c23d72e9ccce846d4ae668ee4135343843d340

gfe-relnote: In QUIC, skip packet threshold loss detection if largest acked is a runt. Protected by gfe2_reloadable_flag_quic_skip_packet_threshold_loss_detection_with_runt.

PiperOrigin-RevId: 299908950
Change-Id: Ie2d6b5201447cf1352a14faabddc7a40e694c805

quic/core/quic_sent_packet_manager.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index eb59a8e..bad8aa6 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -292,6 +292,13 @@
     uber_loss_algorithm_.EnableAdaptiveReorderingThreshold();
     uber_loss_algorithm_.EnableAdaptiveTimeThreshold();
   }
+  if (GetQuicReloadableFlag(
+          quic_skip_packet_threshold_loss_detection_with_runt) &&
+      config.HasClientRequestedIndependentOption(kRUNT, perspective)) {
+    QUIC_RELOADABLE_FLAG_COUNT_N(
+        quic_skip_packet_threshold_loss_detection_with_runt, 1, 2);
+    uber_loss_algorithm_.DisablePacketThresholdForRuntPackets();
+  }
   if (config.HasClientSentConnectionOption(kCONH, perspective)) {
     conservative_handshake_retransmits_ = true;
   }