Landing Recent QUIC changes until Sun Sep 4 03:41:00

net/quic/core/quic_flags_list.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate values.
 
 // This file contains the list of QUIC protocol flags.
 
-// If true, it will return as soon as an error is detected while validating
-// CHLO.
-QUIC_FLAG(bool, FLAGS_use_early_return_when_verifying_chlo, true)
-
 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
 // connection options.
 QUIC_FLAG(bool, FLAGS_quic_allow_bbr, false)
 
 // Time period for which a given connection_id should live in the time-wait
 // state.
 QUIC_FLAG(int64_t, FLAGS_quic_time_wait_list_seconds, 200)
 
 // Currently, this number is quite conservative.  The max QPS limit for an
 // individual server silo is currently set to 1000 qps, though the actual max
@@ skipping 25 matching lines @@
 
 // If true, QUIC will measure head of line (HOL) blocking due between
 // streams due to packet losses on the headers stream.  The
 // measurements will be surfaced via UMA histogram
 // Net.QuicSession.HeadersHOLBlockedTime.
 QUIC_FLAG(bool, FLAGS_quic_measure_headers_hol_blocking_time, true)
 
 // If true, disable pacing in QUIC.
 QUIC_FLAG(bool, FLAGS_quic_disable_pacing_for_perf_tests, false)
 
-// If true, Close the connection instead of writing unencrypted stream data.
-QUIC_FLAG(bool, FLAGS_quic_never_write_unencrypted_data, true)
-
 // If true, QUIC connections can do bandwidth resumption with an initial window
 // of < 10 packets.
 QUIC_FLAG(bool, FLAGS_quic_no_lower_bw_resumption_limit, true)
 
-// Use largest acked in the most recent ack instead of largest acked ever in
-// loss recovery.
-QUIC_FLAG(bool, FLAGS_quic_loss_recovery_use_largest_acked, true)
-
-// Only set one alarm for sending at once, either the send alarm or
-// retransmission alarm.  Disabled because it breaks QUIC time loss detection.
-QUIC_FLAG(bool, FLAGS_quic_only_one_sending_alarm, false)
-
 // If true, QUIC public reset packets will have the \"pre-v33\" public header
 // flags.
 QUIC_FLAG(bool, FLAGS_quic_use_old_public_reset_packets, true)
 
 // If true, QUIC will use cheap stateless rejects without creating a full
 // connection.
 QUIC_FLAG(bool, FLAGS_quic_use_cheap_stateless_rejects, false)
 
 // If true, QUIC respect HTTP2 SETTINGS frame rather than always close the
 // connection.
@@ skipping 52 matching lines @@
 
 // If true, the connection will check whether it is application-limited, and
 // notify the congestion controller about it.
 QUIC_FLAG(bool, FLAGS_quic_enable_app_limited_check, true)
 
 // Deprecate QuicPacketCreator::next_packet_number_length_ because it's no
 // longer necessary.
 QUIC_FLAG(bool, FLAGS_quic_simple_packet_number_length_2, true)
 
 // If true, disables QUIC version less than 32.
-QUIC_FLAG(bool, FLAGS_quic_disable_pre_32, false)
+QUIC_FLAG(bool, FLAGS_quic_disable_pre_32, true)
 
 // If true, QUIC will enforce the MTU limit for connections that may require a
 // small MTU.
 QUIC_FLAG(bool, FLAGS_quic_enforce_mtu_limit, false)
 
 // Disable MTU probing if MTU probe causes ERR_MSG_TOO_BIG instead of aborting
 // the connection.
 QUIC_FLAG(bool, FLAGS_graceful_emsgsize_on_mtu_probe, true)
 
 // If true, do not force sending ack when connection is closed because of
 // message too long (EMSGSIZE) write error.
 QUIC_FLAG(bool, FLAGS_quic_do_not_send_ack_on_emsgsize, true)
 
 // If true, postpone multipath flag validation to ProcessValidatedPacket.
 QUIC_FLAG(bool, FLAGS_quic_postpone_multipath_flag_validation, true)
 
 // If true, set a QUIC connection's last_sent_for_timeout_ to the send time of
 // the first packet sent after receiving a packet, even if the sent packet is
 // a retransmission
 QUIC_FLAG(bool, FLAGS_quic_better_last_send_for_timeout, true)
 
 // If true, send an explicit TTL in QUIC REJ messages to mitigate client clock
 // skew.
 QUIC_FLAG(bool, FLAGS_quic_send_scfg_ttl, true)
 
 // If true, only open limited number of quic sessions per epoll event. Leave the
 // rest to next event. This flag can be turned on only if
 // --quic_buffer_packet_till_chlo is true.
-QUIC_FLAG(bool, FLAGS_quic_limit_num_new_sessions_per_epoll_loop, true)
+QUIC_FLAG(bool, FLAGS_quic_limit_num_new_sessions_per_epoll_loop, false)
 
 // If true, lazy allocate and early release memeory used in
 // QuicStreamSequencerBuffer to buffer incoming data.
 QUIC_FLAG(bool, FLAGS_quic_reduce_sequencer_buffer_memory_life_time, true)
 
 // If true, allow server address change if it is because of mapped ipv4 address.
 QUIC_FLAG(bool, FLAGS_quic_allow_server_address_change_for_mapped_ipv4, true)
+
+// If true, disables QUIC version less than 34.
+QUIC_FLAG(bool, FLAGS_quic_disable_pre_34, false)
+