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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/quic/quic_flags.h" | 5 #include "net/quic/quic_flags.h" |
6 | 6 |
7 bool FLAGS_quic_allow_oversized_packets_for_test = false; | 7 bool FLAGS_quic_allow_oversized_packets_for_test = false; |
8 | 8 |
9 // When true, the use time based loss detection instead of nack. | 9 // When true, the use time based loss detection instead of nack. |
10 bool FLAGS_quic_use_time_loss_detection = false; | 10 bool FLAGS_quic_use_time_loss_detection = false; |
11 | 11 |
12 // If true, it will return as soon as an error is detected while validating | 12 // If true, it will return as soon as an error is detected while validating |
13 // CHLO. | 13 // CHLO. |
14 bool FLAGS_use_early_return_when_verifying_chlo = true; | 14 bool FLAGS_use_early_return_when_verifying_chlo = true; |
15 | 15 |
16 // If true, QUIC connections will support FEC protection of data while sending | 16 // If true, QUIC connections will support FEC protection of data while sending |
17 // packets, to reduce latency of data delivery to the application. The client | 17 // packets, to reduce latency of data delivery to the application. The client |
18 // must also request FEC protection for the server to use FEC. | 18 // must also request FEC protection for the server to use FEC. |
19 bool FLAGS_enable_quic_fec = false; | 19 bool FLAGS_enable_quic_fec = false; |
20 | 20 |
21 // When true, defaults to BBR congestion control instead of Cubic. | 21 // When true, defaults to BBR congestion control instead of Cubic. |
22 bool FLAGS_quic_use_bbr_congestion_control = false; | 22 bool FLAGS_quic_use_bbr_congestion_control = false; |
23 | 23 |
24 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC | 24 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC |
25 // connection options. | 25 // connection options. |
26 bool FLAGS_quic_allow_bbr = false; | 26 bool FLAGS_quic_allow_bbr = false; |
27 | 27 |
28 // If true, enables the QUIC bandwidth resumption experiment (triggered by | |
29 // Chrome/Finch). | |
30 bool FLAGS_quic_enable_bandwidth_resumption_experiment = true; | |
31 | |
32 // If true, then the source address tokens generated for QUIC connects will | 28 // If true, then the source address tokens generated for QUIC connects will |
33 // store multiple addresses. | 29 // store multiple addresses. |
34 bool FLAGS_quic_use_multiple_address_in_source_tokens = false; | 30 bool FLAGS_quic_use_multiple_address_in_source_tokens = false; |
35 | 31 |
36 // Time period for which a given connection_id should live in the time-wait | 32 // Time period for which a given connection_id should live in the time-wait |
37 // state. | 33 // state. |
38 int64 FLAGS_quic_time_wait_list_seconds = 5; | 34 int64 FLAGS_quic_time_wait_list_seconds = 5; |
39 | 35 |
40 // Currently, this number is quite conservative. The max QPS limit for an | 36 // Currently, this number is quite conservative. The max QPS limit for an |
41 // individual server silo is currently set to 1000 qps, though the actual max | 37 // individual server silo is currently set to 1000 qps, though the actual max |
42 // that we see in the wild is closer to 450 qps. Regardless, this means that the | 38 // that we see in the wild is closer to 450 qps. Regardless, this means that the |
43 // longest time-wait list we should see is 5 seconds * 1000 qps = 5000. If we | 39 // longest time-wait list we should see is 5 seconds * 1000 qps = 5000. If we |
44 // allow for an order of magnitude leeway, we have 50000. | 40 // allow for an order of magnitude leeway, we have 50000. |
45 // | 41 // |
46 // Maximum number of connections on the time-wait list. A negative value implies | 42 // Maximum number of connections on the time-wait list. A negative value implies |
47 // no configured limit. | 43 // no configured limit. |
48 int64 FLAGS_quic_time_wait_list_max_connections = 50000; | 44 int64 FLAGS_quic_time_wait_list_max_connections = 50000; |
49 | 45 |
50 // Use small QUIC packet sizes by default. | 46 // Use small QUIC packet sizes by default. |
51 bool FLAGS_quic_small_default_packet_size = true; | 47 bool FLAGS_quic_small_default_packet_size = true; |
52 | 48 |
53 // Do not retransmit data for streams that have been reset. | 49 // Do not retransmit data for streams that have been reset. |
54 bool FLAGS_quic_do_not_retransmit_for_reset_streams = true; | 50 bool FLAGS_quic_do_not_retransmit_for_reset_streams = true; |
55 | 51 |
56 // If true, use the peer's receive buffer size to set the max CWND used by the | 52 // If true, use the peer's receive buffer size to set the max CWND used by the |
57 // send algorithms. | 53 // send algorithms. |
58 bool FLAGS_quic_limit_max_cwnd_to_receive_buffer = true; | 54 bool FLAGS_quic_limit_max_cwnd_to_receive_buffer = true; |
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