gfe-relnote: In QUIC, only check whether framer has corresponding encrypter (before sending an ACK) when multiple packet number space is supported.
PiperOrigin-RevId: 245244813
Change-Id: I7b674a920b41726dfce25911f1a3e0f95b8a7067
diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index ad56a06..417b22f 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -1514,7 +1514,8 @@
// then a second packet is received; as that could cause the ACK for the
// second packet to be delayed instead of immediate. This is currently
// considered to be small enough of an edge case to not be optimized for.
- if (framer_.HasEncrypterOfEncryptionLevel(QuicUtils::GetEncryptionLevel(
+ if (!SupportsMultiplePacketNumberSpaces() ||
+ framer_.HasEncrypterOfEncryptionLevel(QuicUtils::GetEncryptionLevel(
QuicUtils::GetPacketNumberSpace(last_decrypted_packet_level_)))) {
uber_received_packet_manager_.MaybeUpdateAckTimeout(
should_last_packet_instigate_acks_, last_decrypted_packet_level_,
