Microsoft RNDIS Specification License Agreement

[AyanSinhaMahapatra]

Seen at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/usb/gadget/function/rndis.c?h=v4.19.64 (and also newer kernel versions)

// SPDX-License-Identifier: GPL-2.0
/*
 * RNDIS MSG parser
 *
 * Authors:	Benedikt Spranger, Pengutronix
 *		Robert Schwebel, Pengutronix
 *
 *		This software was originally developed in conformance with
 *		Microsoft's Remote NDIS Specification License Agreement.
 *
 * 03/12/2004 Kai-Uwe Bloem <[email protected]>
 *		Fixed message length bug in init_response
 *
 * 03/25/2004 Kai-Uwe Bloem <[email protected]>
 *		Fixed rndis_rm_hdr length bug.
 *
 * Copyright (C) 2004 by David Brownell
 *		updates to merge with Linux 2.6, better match RNDIS spec
 */

Here This software was originally developed in conformance with Microsoft's Remote NDIS Specification License Agreement. is being detected as unknown.

I could not find a license text for this, is this a candidate for a new license?