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 AAFDBC433F5 for ; Mon, 10 Jan 2022 07:40:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241799AbiAJHjk (ORCPT ); Mon, 10 Jan 2022 02:39:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240718AbiAJHc2 (ORCPT ); Mon, 10 Jan 2022 02:32:28 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E197C033268; Sun, 9 Jan 2022 23:28:39 -0800 (PST) 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 D3C3D611C6; Mon, 10 Jan 2022 07:28:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD479C36AE9; Mon, 10 Jan 2022 07:28:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1641799718; bh=1PC9Oavmy3rDsCgNb2kVCXK643NTyi/TUNXya1Ck5Og=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0avR3S91AzwTGPRuv37uSKsEgMrt9qShCfUA2ivERg54Jdi9TlwV1hRn2rpF/PpqJ yM9zQuZnp75ECrFUcVXnJWmJxSj9FVQBAWzqutZReFEOJ3pQh37z+UlvOndk/Ztekj xZEUgXDePL02QWhaj1o7uC/sSbJNPGCKniVDuyYg= 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 5.4 25/34] rndis_host: support Hytera digital radios Date: Mon, 10 Jan 2022 08:23:20 +0100 Message-Id: <20220110071816.513121363@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220110071815.647309738@linuxfoundation.org> References: <20220110071815.647309738@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: linux-kernel@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 @@ -609,6 +609,11 @@ 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,