From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5178EC433EF for ; Mon, 10 Jan 2022 07:30:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239893AbiAJHaF (ORCPT ); Mon, 10 Jan 2022 02:30:05 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:37416 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239916AbiAJH1j (ORCPT ); Mon, 10 Jan 2022 02:27:39 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 82B11611AD; Mon, 10 Jan 2022 07:27:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61D9BC36AE9; Mon, 10 Jan 2022 07:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1641799658; bh=Nuuso2AXaPE/UBn6/+PB07a/l0ILU5dmO7RdO8QyR9k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pf22R8cDbNe6z7DjMqvt4OdiSdvdBs7+f3QFWjduik+rHAB7jVqaLIxBzo7xbnNUv 0+k77mzmpDw3g0GOA67wPx50BdwmmWVT6IlvJfJP32Nr+nIvPp4p0mp+dwCwA8Ne0v 9PGNqdWj4suAAWvIkVuBjMg4sH7qBPW/lmTyaXAg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thomas Toye , "David S. Miller" Subject: [PATCH 4.19 13/21] rndis_host: support Hytera digital radios Date: Mon, 10 Jan 2022 08:23:14 +0100 Message-Id: <20220110071814.388736120@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220110071813.967414697@linuxfoundation.org> References: <20220110071813.967414697@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Thomas Toye commit 29262e1f773b4b6a43711120be564c57fca07cfb upstream. Hytera makes a range of digital (DMR) radios. These radios can be programmed to a allow a computer to control them over Ethernet over USB, either using NCM or RNDIS. This commit adds support for RNDIS for Hytera radios. I tested with a Hytera PD785 and a Hytera MD785G. When these radios are programmed to set up a Radio to PC Network using RNDIS, an USB interface will be added with class 2 (Communications), subclass 2 (Abstract Modem Control) and an interface protocol of 255 ("vendor specific" - lsusb even hints "MSFT RNDIS?"). This patch is similar to the solution of this StackOverflow user, but that only works for the Hytera MD785: https://stackoverflow.com/a/53550858 To use the "Radio to PC Network" functionality of Hytera DMR radios, the radios need to be programmed correctly in CPS (Hytera's Customer Programming Software). "Forward to PC" should be checked in "Network" (under "General Setting" in "Conventional") and the "USB Network Communication Protocol" should be set to RNDIS. Signed-off-by: Thomas Toye Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/rndis_host.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -621,6 +621,11 @@ static const struct usb_device_id produc USB_CLASS_COMM, 2 /* ACM */, 0x0ff), .driver_info = (unsigned long) &rndis_poll_status_info, }, { + /* Hytera Communications DMR radios' "Radio to PC Network" */ + USB_VENDOR_AND_INTERFACE_INFO(0x238b, + USB_CLASS_COMM, 2 /* ACM */, 0x0ff), + .driver_info = (unsigned long)&rndis_info, +}, { /* RNDIS is MSFT's un-official variant of CDC ACM */ USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), .driver_info = (unsigned long) &rndis_info,