Landing Recent QUIC changes until May 20, 2017.

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, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
@@ skipping 66 matching lines @@
 // frequently used.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_release_crypto_stream_buffer,
           true)
 
 // If true, do not override a connection in global map if exists. Only create
 // QUIC session if it is successfully inserted to the global map. Toss the
 // packet if insertion fails.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_create_session_after_insertion,
-          false)
+          true)
 
 // If true, v33 QUIC client uses 1 bit to specify 8-byte connection id in
 // public flag.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_remove_v33_hacks2, false)
 
 // Enable QUIC force HOL blocking experiment.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_force_hol_blocking, true)
 
 // If true, allows packets to be buffered in anticipation of a future CHLO, and
 // allow CHLO packets to be buffered until next iteration of the event loop.
@@ skipping 22 matching lines @@
 // Congestion window gain for QUIC BBR during PROBE_BW phase.
 QUIC_FLAG(double, FLAGS_quic_bbr_cwnd_gain, 2.0f)
 
 // If true, do not send or process stop waiting frames in QUIC if the NSTP
 // connection option is provided.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_no_stop_waiting_frames, false)
 
 // Allows one self address change.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_allow_one_address_change, false)
 
-// If true, multipath bit is not used in public flag.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_remove_multipath_bit, true)
-
-// Allow QUIC's flow control autotuning to increase the window as
-// quickly for the first adjustment as in subsequent ones.
-QUIC_FLAG(bool,
-          FLAGS_quic_reloadable_flag_quic_flow_control_faster_autotune,
-          true)
-
 // If true, QUIC BBR stores a max filtered number of bytes delivered at a rate
 // faster than the sending rate.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_bbr_ack_aggregation_bytes,
           false)
 
 // If true, allow cubic updates on every ack, rather than occasionally limiting
 // the frequency to once every 30ms.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_enable_cubic_per_ack_updates,
@@ skipping 44 matching lines @@
 
 // Threshold multiplier below which delivery is considered slow.
 QUIC_FLAG(double, FLAGS_quic_bbr_slow_delivery_threshold_multiplier, 0.5f)
 
 // If true, update state if trailing headers with a :final-offset key are
 // received for a previously closed QUIC stream.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_final_offset_from_trailers,
           false)
 
-// Fix the algorithm used by packet conservation.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_fix_conservation, false)
-
 // If enabled, use refactored stream creation methods.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_refactor_stream_creation, false)
 
 // A second take on fixing QUIC BBR packet conservation.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_bbr_fix_conservation2, false)
 
 // If true, GFEs generate and validate source address token using the actual
 // client IP for proxied session.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_use_client_address_for_stk_in_proxy,
           false)
 
 // If true, export a varz mapping QUIC non 0-rtt handshake with corresponding
 // frontend service.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_account_handshake, false)
 
 // Allows the 3RTO QUIC connection option to close a QUIC connection after
 // 3RTOs if there are no open streams.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_3rtos, false)
 
 // If true, enable experiment for testing PCC congestion-control.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_pcc, false)
 
 // If true, enable QUIC v40.
 QUIC_FLAG(bool, FLAGS_quic_enable_version_40, false)
+
+// If true, use the more CPU efficient bandwidth sampler datastructure.
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_faster_bandwidth_sampler, false)