relnote: Allowing multipath support negotiation. Protected by --quic_enable_multipath, default valu…

net/quic/crypto/crypto_protocol.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_
 #define NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 78 matching lines @@
 const QuicTag kTLPR = TAG('T', 'L', 'P', 'R');   // Tail loss probe delay of
                                                  // 0.5RTT.
 const QuicTag kACKD = TAG('A', 'C', 'K', 'D');   // Ack decimation style acking.
 const QuicTag kSSLR = TAG('S', 'S', 'L', 'R');   // Slow Start Large Reduction.
 
 // Optional support of truncated Connection IDs.  If sent by a peer, the value
 // is the minimum number of bytes allowed for the connection ID sent to the
 // peer.
 const QuicTag kTCID = TAG('T', 'C', 'I', 'D');   // Connection ID truncation.
 
+// Multipath option.
+const QuicTag kMPTH = TAG('M', 'P', 'T', 'H');   // Enable multipath.
+
 // FEC options
 const QuicTag kFHDR = TAG('F', 'H', 'D', 'R');   // FEC protect headers
 const QuicTag kFSTR = TAG('F', 'S', 'T', 'R');   // FEC protect all streams
 // Set FecSendPolicy for sending FEC packet only when FEC alarm goes off.
 const QuicTag kFSPA = TAG('F', 'S', 'P', 'A');
 // Run an experiment that sets FecTimeOut alarm to 0.25RTT.
 // TODO(rtenneti): Delete it after the experiment.
 const QuicTag kFRTT = TAG('F', 'R', 'T', 'T');
 
 // Enable bandwidth resumption experiment.
@@ skipping 108 matching lines @@
 // amplification factor of any mirror DoS attack.
 //
 // A client may pad an inchoate client hello to a size larger than
 // kClientHelloMinimumSize to make it more likely to receive a complete
 // rejection message.
 const size_t kClientHelloMinimumSize = 1024;
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CRYPTO_PROTOCOL_H_