webrtc_m130/api/transport/ecn_marking.h
Per K 3073c4809c Move rtc_base/network/ecn_marking.h to api/transport
For now, old file forward include api/transport/ecn_marking.h
Done in preparation for more usage of this enum when handling received
RFC8888 feedback.

Bug: webrtc:42225697
Change-Id: I022c2b7f1e7f986b24aa32b8911ad67c6640a5c0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366440
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43282}
2024-10-22 15:29:49 +00:00

43 lines
1.3 KiB
C++

/*
* Copyright 2024 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_TRANSPORT_ECN_MARKING_H_
#define API_TRANSPORT_ECN_MARKING_H_
namespace webrtc {
// TODO: bugs.webrtc.org/42225697 - L4S support is slowly being developed.
// Help is appreciated.
// L4S Explicit Congestion Notification (ECN) .
// https://www.rfc-editor.org/rfc/rfc9331.html ECT stands for ECN-Capable
// Transport and CE stands for Congestion Experienced.
// RFC-3168, Section 5
// +-----+-----+
// | ECN FIELD |
// +-----+-----+
// ECT CE [Obsolete] RFC 2481 names for the ECN bits.
// 0 0 Not-ECT
// 0 1 ECT(1)
// 1 0 ECT(0)
// 1 1 CE
enum class EcnMarking {
kNotEct = 0, // Not ECN-Capable Transport
kEct1 = 1, // ECN-Capable Transport
kEct0 = 2, // Not used by L4s (or webrtc.)
kCe = 3, // Congestion experienced
};
} // namespace webrtc
#endif // API_TRANSPORT_ECN_MARKING_H_