XRV should work without rawConn

proxy/vless/encoding/encoding.go

@@ -247,7 +247,11 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
 						}
 					}
 				}
-				reader = buf.NewReadVReader(conn, rawConn, nil)
+				if rawConn != nil {
+					reader = buf.NewReadVReader(conn, rawConn, nil)
+				} else {
+					reader = buf.NewReader(conn)
+				}
 				ct = counter
 				newError("XtlsRead readV").WriteToLog(session.ExportIDToError(ctx))
 			}

proxy/vless/inbound/inbound.go

@@ -539,7 +539,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 
 		var err error
 
-		if rawConn != nil {
+		if requestAddons.Flow == vless.XRV {
 			var counter stats.Counter
 			if statConn != nil {
 				counter = statConn.ReadCounter
@@ -591,7 +591,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		}
 
 		var err error
-		if rawConn != nil && requestAddons.Flow == vless.XRV {
+		if requestAddons.Flow == vless.XRV {
 			var counter stats.Counter
 			if statConn != nil {
 				counter = statConn.WriteCounter

proxy/vless/outbound/outbound.go

@@ -247,7 +247,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		}
 
 		var err error
-		if rawConn != nil && requestAddons.Flow == vless.XRV {
+		if requestAddons.Flow == vless.XRV {
 			if tlsConn, ok := iConn.(*tls.Conn); ok {
 				if tlsConn.ConnectionState().Version != gotls.VersionTLS13 {
 					return newError(`failed to use `+requestAddons.Flow+`, found outer tls version `, tlsConn.ConnectionState().Version).AtWarning()
@@ -292,7 +292,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			serverReader = xudp.NewPacketReader(conn)
 		}
 
-		if rawConn != nil {
+		if requestAddons.Flow == vless.XRV {
 			var counter stats.Counter
 			if statConn != nil {
 				counter = statConn.ReadCounter