commit 4b588f1671a9ce656da3c9e41cec6a0afb11edd8
author martinduke <martinduke@google.com> Thu Aug 03 12:29:54 2023 -0700
committer Copybara-Service <copybara-worker@google.com> Thu Aug 03 12:31:27 2023 -0700
tree 65d47a90c8f069be0a5b9c0c0380f4bf6252a906
parent 37e40568cb4e303d963faf105927ffac6ff85792

Fix the ECN codepoints. Per RFC3168, ECT0 = 0b10, ECT1 = 0b01. Roll flag quic_receive_ecn2 to quic_receive_ecn3 to protect the behavior change.

Protected by FLAGS_quic_restart_flag_quic_receive_ecn3.

PiperOrigin-RevId: 553556652

quiche/quic/core/quic_received_packet_manager.cc

diff --git a/quiche/quic/core/quic_received_packet_manager.cc b/quiche/quic/core/quic_received_packet_manager.cc
index b941e8c..afabb27 100644
--- a/quiche/quic/core/quic_received_packet_manager.cc
+++ b/quiche/quic/core/quic_received_packet_manager.cc
@@ -124,8 +124,8 @@
     }
   }
 
-  if (GetQuicRestartFlag(quic_receive_ecn2) && ecn != ECN_NOT_ECT) {
-    QUIC_RESTART_FLAG_COUNT_N(quic_receive_ecn2, 1, 2);
+  if (GetQuicRestartFlag(quic_receive_ecn3) && ecn != ECN_NOT_ECT) {
+    QUIC_RESTART_FLAG_COUNT_N(quic_receive_ecn3, 1, 2);
     if (!ack_frame_.ecn_counters.has_value()) {
       ack_frame_.ecn_counters = QuicEcnCounts();
     }