From a477ef1b4f75e54bde8d7bcb0b839dafa57f7ef8 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Tue, 22 Mar 2022 22:04:55 +0100
Subject: [PATCH] update HTTP/3 Datagram to draft-ietf-masque-h3-datagram-07

---
 http3/error_codes.go | 3 +++
 http3/frames.go      | 2 +-
 http3/server.go      | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/http3/error_codes.go b/http3/error_codes.go
index dfde76d4326..d87eef4ae07 100644
--- a/http3/error_codes.go
+++ b/http3/error_codes.go
@@ -26,6 +26,7 @@ const (
 	errorMessageError         errorCode = 0x10e
 	errorConnectError         errorCode = 0x10f
 	errorVersionFallback      errorCode = 0x110
+	errorDatagramError        errorCode = 0x4a1268
 )
 
 func (e errorCode) String() string {
@@ -64,6 +65,8 @@ func (e errorCode) String() string {
 		return "H3_CONNECT_ERROR"
 	case errorVersionFallback:
 		return "H3_VERSION_FALLBACK"
+	case errorDatagramError:
+		return "H3_DATAGRAM_ERROR"
 	default:
 		return fmt.Sprintf("unknown error code: %#x", uint16(e))
 	}
diff --git a/http3/frames.go b/http3/frames.go
index e096ac1a8c4..f870275a599 100644
--- a/http3/frames.go
+++ b/http3/frames.go
@@ -68,7 +68,7 @@ func (f *headersFrame) Write(b *bytes.Buffer) {
 	quicvarint.Write(b, f.Length)
 }
 
-const settingDatagram = 0x276
+const settingDatagram = 0xffd277
 
 type settingsFrame struct {
 	Datagram bool
diff --git a/http3/server.go b/http3/server.go
index 9b5b6a64203..c5629a7ed2d 100644
--- a/http3/server.go
+++ b/http3/server.go
@@ -131,7 +131,7 @@ type Server struct {
 
 	// Enable support for HTTP/3 datagrams.
 	// If set to true, QuicConfig.EnableDatagram will be set.
-	// See https://www.ietf.org/archive/id/draft-schinazi-masque-h3-datagram-02.html.
+	// See https://datatracker.ietf.org/doc/html/draft-ietf-masque-h3-datagram-07.
 	EnableDatagrams bool
 
 	// The port to use in Alt-Svc response headers.