Update MESSAGE frame to latest IETF draft
This CL adds support for the max_datagram_frame_size transport parameter required by the IETF draft, and changes the frame type to 0x30-0x31 for v99 only.
gfe-relnote: changes around MESSAGE frames, protected by v99 and TLS flags
PiperOrigin-RevId: 280454854
Change-Id: Idd4cca1afb76847eccdd9702db6b4437af314258
diff --git a/quic/core/quic_constants.h b/quic/core/quic_constants.h
index 6b22bbf..3264c15 100644
--- a/quic/core/quic_constants.h
+++ b/quic/core/quic_constants.h
@@ -47,6 +47,9 @@
const QuicByteCount kMaxOutgoingPacketSize = kMaxV6PacketSize;
// ETH_MAX_MTU - MAX(sizeof(iphdr), sizeof(ip6_hdr)) - sizeof(udphdr).
const QuicByteCount kMaxGsoPacketSize = 65535 - 40 - 8;
+// The maximal IETF DATAGRAM frame size we'll accept. Choosing 2^16 ensures
+// that it is greater than the biggest frame we could ever fit in a QUIC packet.
+const QuicByteCount kMaxAcceptedDatagramFrameSize = 65536;
// Default maximum packet size used in the Linux TCP implementation.
// Used in QUIC for congestion window computations in bytes.
const QuicByteCount kDefaultTCPMSS = 1460;
